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1 2008-06-12  Jakub Jelinek  <jakub@redhat.com>
2
3         PR middle-end/36506
4         * omp-low.c (expand_omp_sections): Initialize l2 to avoid bogus
5         warning.
6
7 2008-06-12  Eric Botcazou  <ebotcazou@adacore.com>
8
9         * tree-inline.c (copy_body_r): Copy TREE_SIDE_EFFECTS along with
10         TREE_THIS_VOLATILE on INDIRECT_REF nodes.
11
12 2008-06-12  Eric Botcazou  <ebotcazou@adacore.com>
13
14         * expr.c (store_field): Do a block copy from BLKmode to BLKmode-like.
15         (get_inner_reference): Use BLKmode for byte-aligned BLKmode bitfields.
16
17 2008-06-12  Jakub Jelinek  <jakub@redhat.com>
18
19         PR middle-end/36506
20         * omp-low.c (expand_omp_sections): Handle #pragma omp sections with
21         reductions.
22
23 2008-06-12  Richard Guenther  <rguenther@suse.de>
24
25         PR tree-optimization/36345
26         * tree-flow.h (struct ptr_info_def): Align escape_mask,
27         add memory_tag_needed flag.
28         (may_alias_p): Declare.
29         * tree-ssa-alias.c (may_alias_p): Export.
30         (set_initial_properties): Use memory_tag_needed flag.
31         (update_reference_counts): Likewise.
32         (reset_alias_info): Reset memory_tag_needed flag.
33         (create_name_tags): Check memory_tag_needed flag.
34         (dump_points_to_info_for): Dump it.
35         * tree-ssa-structalias.c (struct variable_info): Remove
36         directly_dereferenced flag.
37         (new_var_info): Do not initialize it.
38         (process_constraint_1): Do not set it.
39         (update_alias_info): Set is_dereferenced flag.
40         (set_uids_in_ptset): Use may_alias_p.
41         (set_used_smts): Check memory_tag_needed flag.
42         (find_what_p_points_to): Likewise.  Pass is_dereferenced flag.
43         * tree-ssa-alias.c (verify_flow_sensitive_alias_info): Check
44         memory_tag_needed flag.
45         * tree-ssa-alias-warnings.c (dsa_named_for): Try to recover
46         from broken design.
47
48 2008-06-12  Kai Tietz  <kai.tietz@onevision.com>
49
50         * config/i386/i386.c (ix86_compute_frame_layout): Disable red zone for
51         w64 abi.
52         (ix86_expand_prologue): Likewise.
53         (ix86_force_to_memory): Likewise.
54         (ix86_free_from_memory): Likewise.
55
56 2008-06-11  Edmar Wienskoski  <edmar@freescale.com>
57
58         PR target/36425
59         * config/rs6000/rs6000.c (rs6000_override_options): Set
60         rs6000_isel conditionally to the absence of comand line
61         override.
62         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
63         Remove duplicate rs6000_isel setting.
64         * config/rs6000/eabispe.h: Ditto.
65
66 2008-06-11  Richard Guenther  <rguenther@suse.de>
67
68         * alias.c (get_alias_set): Use the element alias-set for arrays.
69         (record_component_aliases): For arrays and vectors do nothing.
70         * c-common.c (strict_aliasing_warning): Handle the cases
71         of alias set zero explicitly.
72         * Makefile.in (dfp.o-warn): Add -Wno-error.
73
74 2008-06-11  Joseph Myers  <joseph@codesourcery.com>
75
76         * config.gcc (all_defaults): Add arch_32 arch_64 cpu_32 cpu_64
77         tune_32 tune_64.
78         (i[34567]86-*-* | x86_64-*-*): Add arch_32 arch_64 cpu_32 cpu_64
79         tune_32 tune_64 to supported_defaults.  Allow values not
80         supporting 64-bit mode for arch_32, cpu_32 and tune_32 for
81         x86_64.  Do not override cpu_32 or cpu_64 values from target name.
82         (i[34567]86-*-linux*, i[34567]86-*-solaris2.1[0-9]*): Only default
83         with_cpu_64 to generic for 64-bit-supporting configurations, not
84         with_cpu.  Remove FIXMEs.
85         * doc/install.texi (--with-cpu-32, --with-cpu-64, --with-arch-32,
86         --with-arch-64, --with-tune-32, --with-tune-64): Document.
87         * config/i386/i386.h (OPT_ARCH32, OPT_ARCH64): Define.
88         (OPTION_DEFAULT_SPECS): Add tune_32, tune_64, cpu_32, cpu_64,
89         arch_32 and arch_64.
90
91 2008-06-11  Eric Botcazou  <ebotcazou@adacore.com>
92             Olivier Hainque  <hainque@adacore.com>
93
94         * builtins.c (get_memory_rtx): Accept byte-addressable bitfields.
95         Use DECL_SIZE_UNIT to retrieve the size of the field.
96
97 2008-06-11  Joseph Myers  <joseph@codesourcery.com>
98
99         * config/arm/arm.c (arm_init_neon_builtins): Move initialization
100         with function calls after declarations.  Lay out
101         neon_float_type_node before further use.
102
103 2008-06-11  Richard Guenther  <rguenther@suse.de>
104
105         * tree-flow.h (may_point_to_global_var): Declare.
106         * tree-ssa-alias.c (may_point_to_global_var): New function.
107         * tree-ssa-sink.c (is_hidden_global_store): Use it.
108
109 2008-06-10  Kazu Hirata  <kazu@codesourcery.com>
110
111         * configure.ac: Teach that fido supports .debug_line.
112         * configure: Regenerate.
113
114 2008-06-10  Tom Tromey  <tromey@redhat.com>
115
116         * c-lex.c (fe_file_change): Pass SOURCE_LINE to start_source_file
117         debug hook.
118
119 2008-06-10  Joseph Myers  <joseph@codesourcery.com>
120
121         * dfp.c (WORDS_BIGENDIAN): Define to 0 if not defined.
122         (encode_decimal64, decode_decimal64, encode_decimal128,
123         decode_decimal128): Reverse order of 32-bit parts of value if host
124         and target endianness differ.
125
126 2008-06-10  Vinodha Ramasamy  <vinodha@google.com>
127         * value_prob.c (tree_divmod_fixed_value_transform): Use gcov_type.
128         Avoid division by 0.
129         (tree_mod_pow2_value_transform): Likewise.
130         (tree_ic_transform): Likewise.
131         (tree_stringops_transform): Likewise.
132         (tree_mod_subtract_transform): Likewise.
133         * tree-inline-c (copy_bb): Corrected int type to gcov_type.
134         (copy_edges_for_bb): Likewise.
135         (initialize_cfun): Likewise.
136
137 2008-06-10  Uros Bizjak  <ubizjak@gmail.com>
138
139         * config/i386/i386.md (*btdi_rex64): Change operand 1 predicate to
140         nonmemory_operand. Add "N" operand constraint.
141         (*btsi): Ditto.
142         (*jcc_btdi_mask_rex64): New instruction and split pattern.
143         (*jcc_btsi_mask): Ditto.
144         (*jcc_btsi_mask_1): Ditto.
145
146 2008-06-10  Joseph Myers  <joseph@codesourcery.com>
147
148         * config/rs6000/rs6000.c (build_opaque_vector_type): Set
149         TYPE_CANONICAL for copied element type.
150
151 2008-06-10  Uros Bizjak  <ubizjak@gmail.com>
152
153         PR target/36473
154         * config/i386/i386.c (ix86_tune_features) [TUNE_USE_BT]:
155         Add m_CORE2 and m_GENERIC.
156         * config/i386/predicates.md (bt_comparison_operator): New predicate.
157         * config/i386/i386.md (*btdi_rex64): New instruction pattern.
158         (*btsi): Ditto.
159         (*jcc_btdi_rex64): New instruction and split pattern.
160         (*jcc_btsi): Ditto.
161         (*jcc_btsi_1): Ditto.
162         (*btsq): Fix Intel asm dialect operand order.
163         (*btrq): Ditto.
164         (*btcq): Ditto.
165
166 2008-06-09  Andy Hutchinson  <hutchinsonandy@aim.com>
167
168         PR middle-end/36447
169         * simplify-rtx.c (simplify_subreg): Add check for shift count 
170         greater than size.
171
172 2008-06-09  Richard Sandiford  <rdsandiford@googlemail.com>
173
174         * doc/md.texi: Synchronize with later constraints.md change.
175         * longlong.h (umul_ppmm): Replace the MIPS asm implementation
176         with a C implementation.
177         * config/mips/mips.c (mips_legitimize_move): Remove MFHI and
178         MFLO handling.
179         (mips_subword): Assume TImode for CONST_INTs if TARGET_64BIT.
180         (mips_split_doubleword_move): Use special MTHI and MFHI instructions
181         when moving to and from MD_REGNUM.
182         (mips_output_move): Don't handle moves from GPRs to HI_REGNUM.
183         Handle moves from LO_REGNUM to GPRs using MFLO, MACC or DMACC.
184         Handle byte and halfword moves.
185         (mips_hard_regno_mode_ok_p): Handle MD_REGS and DSP_ACC_REGS
186         separately.
187         * config/mips/constraints.md (h): Turn into NO_REGS.
188         (l, x): Update documentation.
189         * config/mips/mips.md (UNSPEC_MFHILO): Delete.
190         (UNSPEC_MFHI, UNSPEC_MTHI, UNSPEC_SET_HILO): New.
191         (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): Renumber.
192         (HILO): New mode iterator.
193         (MOVE128): Add TI.
194         (any_div): New code iterator.
195         (u): Extend code attribute to div and udiv.
196         (*add<mode>3_mips16, *movdi_64bit_mips16, *movsi_mips16): Use
197         d_operand in the splitters.  Remove redundant CONST_INT checks.
198         (mulsi3_mult3, mul<mode>3_internal, mul<mode>3_r4000, *mul_acc_si)
199         (*macc, *msac, *msac_using_macc, *macc2, *msac2, *mul_sub_si)
200         (*muls): Remove "=h" clobbers.  Adjust peephole2s and define_splits
201         accordingly, using normal moves instead of unspecs to move LO into
202         a GPR.  Use d_operand and lo_operand instead of *_REG_P checks.
203         (<u>mulsidi3): Handle expansion in C code.
204         (<u>mulsidi3_32bit_internal): Rename to...
205         (<u>mulsidi3_32bit): ...this.
206         (<u>mulsidi3_32bit_r4000): Fix insn separator.
207         (*<u>mulsidi3_64bit): Rename to...
208         (<u>mulsidi3_64bit): ...this.  Combine DImode "=h" and "=l" clobbers
209         into a TImode "=x" clobber.  In the split, use an UNSPEC_SET_HILO
210         to set LO and HI to the multiplication result.  Use a normal move
211         for MFLO and an unspec for MFHI.
212         (*<u>mulsidi3_64bit_parts): Replace with...
213         (<u>mulsidi3_64bit_hilo): ...this new instruction.
214         (<su>mulsi3_highpart): Extend to TARGET_FIX_R4000.
215         (<su>mulsi3_highpart_internal): Turn into a define_insn_and_split
216         and extend it to TARGET_FIX_R4000.  Store the destination in a GPR
217         instead of HI.  Split the instruction into a separate multiplication
218         and MFHI if !TARGET_FIX_R4000.
219         (<su>muldi3_highpart): Likewise.
220         (<su>mulsi3_highpart_mulhi_internal): Remove the first alternative
221         and the "=h" clobber.
222         (*<su>mulsi3_highpart_neg_mulhi_internal): Likewise.
223         (<u>mulditi3): New expander.
224         (<u>mulditi3_internal, <u>mulditi3_r4000): New patterns.
225         (madsi): Remove "=h" clobber.
226         (divmod<mode>4, udivmod<mode>4): Turn into define_insn_and_splits.
227         Force the modulus result to be a GPR and split the instruction into
228         a division followed by an MFHI after reload.
229         (<u>divmod<GPR:mode>4_hilo_<HILO:mode>): New instruction.
230         (*lea_high64): Use d_operand in the define_peephole2.  Likewise
231         the MIPS16 HIGH define_split.
232         (*movdi_32bit, *movdi_gp32_fp64, *movdi_32bit_mips16): Change type
233         of acc<->gpr moves to "multi".
234         (*movdi_64bit): Replace the single "x" alternative with
235         alternatives for moving into and out of "a".
236         (*movhi_internal, *movqi_internal): Likewise.  Use mips_output_move.
237         (*movsi_internal): Extend the "d<-A" alternative to "d<-a".
238         (*movdi_64bit_mips16, *movsi_mips16): Add d<-a alternatives.
239         Use d_operand in the splitters.  Remove redundant CONST_INT checks.
240         (*movhi_mips16, *movqi_mips16): Likewise.  Use mips_output_move.
241         (movti): New expander.
242         (*movti, *movti_mips16): New insns.
243         (mfhilo_<mode>, *mfhilo_<mode>, *mfhilo_<mode>_macc): Delete.
244         (mfhi<GPR:mode>_<HILO:mode>): New pattern.
245         (mthi<GPR:mode>_<HILO:mode>): Likewise.
246         * config/mips/predicates.md (fpr_operand): Delete.
247         (d_operand): New predicate.
248
249 2008-06-09  Michael Meissner  <michael.meissner@amd.com>
250
251         * config.gcc (i[34567]86-*-*): Put test in quotes to prevent
252         failure on some Bourne shells.
253         (x86_64-*-*): Ditto.
254
255 2008-06-09  Kai Tietz  <kai.tietz@onevision.com>
256
257         * config/i386/cygming.h (TARGET_SUBTARGET64_DEFAULT): New.
258
259 2008-06-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
260
261         * doc/install.texi (*-*-solaris2*): Remove obsolete contents.
262         (sparc-sun-solaris2*): Likewise.
263
264 2008-06-09  Arnaud Charlet  <charlet@adacore.com
265
266         * doc/install.texi: Update requirements to build the Ada compiler.
267
268 2008-06-08  Steven Bosscher  <stevenb.gcc@gmail.com>
269
270         * df-scan.c (struct df_scan_problem_data): Remove the
271         mw_link_pool alloc pool.
272         (df_scan_free_internal): Don't free it.
273         (df_scan_alloc): Don't allocate it.
274         * df.h (struct df_link): Update comment.
275
276 2008-06-08  Nathan Sidwell  <nathan@codesourcery.com>
277
278         * except.h: Correct checks for when SJLJ exceptions must be used.
279
280 2008-06-08  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
281
282         * doc/invoke.texi (Wenum-compare): Mention that it is enabled by
283         default.
284         
285 2008-06-08  Joseph Myers  <joseph@codesourcery.com>
286
287         PR tree-optimization/36218
288         * configure.ac: Use LDFLAGS="${LDFLAGS_FOR_BUILD}" when running
289         configure for the build system.
290         (BUILD_LDFLAGS): Define.
291         * configure: Regenerate.
292         * Makefile.in (BUILD_LDFLAGS): Define to @BUILD_LDFLAGS@.
293
294 2008-07-08  Anatoly Sokolov  <aesok@post.ru>
295
296         PR target/36424
297         * config/avr/avr.h (HARD_REGNO_RENAME_OK): Define.
298         * config/avr/avr.c (avr_hard_regno_rename_ok): New function. 
299         * config/avr/avr-protos.h (avr_hard_regno_rename_ok): New prototype. 
300
301 2008-06-07  Danny Smith  <dannysmith@users.sourceforge.net>
302
303         * config/i386/cygming.h (MAYBE_UWIN_CPP_BUILTINS): Remove.
304
305 2008-06-07  Joseph Myers  <joseph@codesourcery.com>
306
307         * config.gcc (Obsolete configurations): Remove list of
308         configurations.
309         (Unsupported targets list): Add *-*-linux*aout*, *-*-linux*libc1*,
310         *-*-solaris2.[0-6], *-*-solaris2.[0-6].*, *-*-sysv*.  Remove other
311         targets matched by those patterns.
312         (strongarm*-*-*, ep9312*-*-*, xscale-*-*, parisc*-*-*,
313         m680[012]0-*-*, *-*-linux*libc1*, *-*-linux*aout*,
314         alpha*-*-unicosmk*, strongarm*-*-freebsd*, ep9312-*-elf,
315         arm*-*-kaos*, cris-*-aout, parisc*64*-*-linux*, parisc*-*-linux*,
316         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
317         i[34567]86-sequent-ptx4*, i[34567]86-sequent-sysv4*,
318         i[34567]86-*-beoself*, i[34567]86-*-beos*, i[34567]86-*-sco3.2v5*,
319         i[34567]86-*-sysv5*, i[34567]86-*-sysv4*, i[34567]86-*-uwin*,
320         i[34567]86-*-kaos*, m68020-*-elf*, m68010-*-netbsdelf*,
321         mips-wrs-windiss, mt-*-elf, powerpc-*-beos*, powerpc-*-chorusos*,
322         powerpc-wrs-windiss*, powerpcle-*-sysv*, powerpc-*-kaos*,
323         powerpcle-*-kaos*, sh*-*-kaos*, sparc-*-sysv4*, strongarm-*-elf*,
324         strongarm-*-pe, strongarm-*-kaos*, vax-*-bsd*, vax-*-sysv*,
325         vax-*-ultrix*, xscale-*-elf, xscale-*-coff,
326         i[34567]86-*-linux*aout*, i[34567]86-*-linux*libc1): Remove.
327         Make code for Solaris 7 and greater unconditional for Solaris.
328         (ep9312-*-*, parisc1*, m680[012]0-*-*, parisc*-*-*, mt-*-*):
329         Remove --with-* handling.
330         * config/rs6000/sysv4.h (-mwindiss): Remove from all specs.
331         (LIB_WINDISS_SPEC, CPP_OS_WINDISS_SPEC, STARTFILE_WINDISS_SPEC,
332         ENDFILE_WINDISS_SPEC, LINK_START_WINDISS_SPEC,
333         LINK_OS_WINDISS_SPEC): Remove.
334         * config/rs6000/sysv4.opt (mwindiss): Remove.
335         * configure.ac (strongarm*-*-*, xscale*-*-*): Remove.
336         * configure: Regenerate.
337         * doc/cpp.texi: Don't mention BeOS.
338         * doc/extend.texi (interrupt): Don't mention MS1.
339         * doc/install.texi: (i386-@var{any}-sysv, m68k-bull-sysv,
340         m68k-hp-hpux, m68000-hp-hpux, m68000-att-sysv,
341         alphaev5-cray-unicosmk*, xscale-*-*, i?86-*-linux*aout,
342         i?86-*-sco3.2v5*, i?86-*-udk, m68k-hp-hpux, powerpc-*-sysv4,
343         powerpc-*-sysv4, powerpcle-*-sysv4, *-*-sysv*, vax-dec-ultrix):
344         Remove.
345         * doc/invoke.texi (MT Options): Remove.
346         (-mwindiss): Remove.
347         (CRIS Options): Remove cris-axis-aout references.
348         (HPPA Options): Don't mention hppa1.1-*-pro.
349         * doc/md.texi: (MorphoTech family): Remove.
350         * libgcc2.c: Don't handle UWIN.
351         * config/alpha/t-unicosmk: Remove.
352         * config/alpha/unicosmk.h: Remove.
353         * config/arm/kaos-arm.h: Remove.
354         * config/arm/kaos-strongarm.h: Remove.
355         * config/arm/strongarm-coff.h: Remove.
356         * config/arm/strongarm-elf.h: Remove.
357         * config/arm/strongarm-pe.h: Remove.
358         * config/arm/t-strongarm-pe: Remove.
359         * config/arm/t-xscale-coff: Remove.
360         * config/arm/t-xscale-elf: Remove.
361         * config/arm/xscale-coff.h: Remove.
362         * config/arm/xscale-elf.h: Remove.
363         * config/chorus.h: Remove.
364         * config/cris/aout.h: Remove.
365         * config/cris/aout.opt: Remove.
366         * config/cris/t-aout: Remove.
367         * config/i386/beos-elf.h: Remove.
368         * config/i386/kaos-i386.h: Remove.
369         * config/i386/ptx4-i.h: Remove.
370         * config/i386/sco5.h: Remove.
371         * config/i386/sco5.opt: Remove.
372         * config/i386/sysv4-cpp.h: Remove.
373         * config/i386/sysv5.h: Remove.
374         * config/i386/t-beos: Remove.
375         * config/i386/t-sco5: Remove.
376         * config/i386/t-uwin: Remove.
377         * config/i386/uwin.asm: Remove.
378         * config/i386/uwin.h: Remove.
379         * config/kaos.h: Remove.
380         * config/mips/windiss.h: Remove.
381         * config/mt: Remove directory.
382         * config/pa/pa-osf.h: Remove.
383         * config/pa/pa-pro-end.h: Remove.
384         * config/pa/t-pro: Remove.
385         * config/ptx4.h: Remove.
386         * config/rs6000/beos.h: Remove.
387         * config/rs6000/kaos-ppc.h: Remove.
388         * config/rs6000/t-beos: Remove.
389         * config/rs6000/windiss.h: Remove.
390         * config/sh/kaos-sh.h: Remove.
391         * config/sol2-6.h: Remove.
392         * config/sparc/sol26-sld.h: Remove.
393         * config/sparc/sysv4-only.h: Remove.
394         * config/vax/bsd.h: Remove.
395         * config/vax/t-memfuncs: Remove.
396         * config/vax/ultrix.h: Remove.
397         * config/vax/vaxv.h: Remove.
398         * config/windiss.h: Remove.
399
400 2008-06-06 Uros Bizjak <ubizjak@gmail.com>
401
402         PR rtl-optimization/36438
403         * cse.c (fold_rtx) [ASHIFT, LSHIFTRT, ASHIFTRT]: Break out early
404         for vector shifts with constant scalar shift operands.
405
406 2008-06-06  Sandip Matte  <sandip@rmicorp.com>
407
408         * doc/invoke.texi: Document -march=xlr.
409         * config/mips/xlr.md: New file.
410         * config/mips/mips.md: Include it.
411         (cpu): Add "xlr".
412         * config/mips/mips.h (PROCESSOR_XLR): New processor_type.
413         * config/mips/mips.c (mips_cpu_info_table): Add an XLR entry.
414         (mips_rtx_cost_data): Likewise.
415
416 2008-06-06  Nathan Froyd  <froydnj@codesourcery.com>
417
418         * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Remove
419         PRE_INC and PRE_DEC cases.
420
421 2008-06-06  Jakub Jelinek  <jakub@redhat.com>
422
423         PR rtl-optimization/36419
424         * except.c (expand_resx_expr): Call do_pending_stack_adjust () before
425         the emitting jump insn.
426
427         PR target/36362
428         * gimplify.c (gimplify_expr) <case TRUTH_NOT_EXPR>: If *expr_p type
429         is not bool, boolify the whole *expr_p and convert to the desired type.
430
431 2008-06-06  Jakub Jelinek  <jakub@redhat.com>
432
433         * c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805.
434         * langhooks.h (struct lang_hooks_for_decls): Add omp_finish_clause.
435         Add omp_private_outer_ref hook, add another argument to
436         omp_clause_default_ctor hook.
437         * langhooks-def.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define.
438         (LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define.
439         (LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR): Change to
440         hook_tree_tree_tree_tree_null.
441         (LANG_HOOKS_DECLS): Add LANG_HOOKS_OMP_FINISH_CLAUSE and
442         LANG_HOOKS_OMP_PRIVATE_OUTER_REF.
443         * hooks.c (hook_tree_tree_tree_tree_null): New function.
444         * hooks.h (hook_tree_tree_tree_tree_null): New prototype.
445         * tree.def (OMP_TASK): New tree code.
446         * tree.h (OMP_TASK_COPYFN, OMP_TASK_ARG_SIZE, OMP_TASK_ARG_ALIGN,
447         OMP_CLAUSE_PRIVATE_OUTER_REF, OMP_CLAUSE_LASTPRIVATE_STMT,
448         OMP_CLAUSE_COLLAPSE_ITERVAR, OMP_CLAUSE_COLLAPSE_COUNT,
449         OMP_TASKREG_CHECK, OMP_TASKREG_BODY, OMP_TASKREG_CLAUSES,
450         OMP_TASKREG_FN, OMP_TASKREG_DATA_ARG, OMP_TASK_BODY,
451         OMP_TASK_CLAUSES, OMP_TASK_FN, OMP_TASK_DATA_ARG,
452         OMP_CLAUSE_COLLAPSE_EXPR): Define.
453         (enum omp_clause_default_kind): Add OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.
454         (OMP_DIRECTIVE_P): Add OMP_TASK.
455         (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): New clause codes.
456         (OMP_CLAUSE_SCHEDULE_AUTO): New schedule kind.
457         * tree.c (omp_clause_code_name): Add OMP_CLAUSE_COLLAPSE
458         and OMP_CLAUSE_UNTIED entries.
459         (omp_clause_num_ops): Likewise.  Increase OMP_CLAUSE_LASTPRIVATE
460         num_ops to 2.
461         (walk_tree_1): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
462         Walk OMP_CLAUSE_LASTPRIVATE_STMT.
463         * tree-pretty-print.c (dump_omp_clause): Handle
464         OMP_CLAUSE_SCHEDULE_AUTO, OMP_CLAUSE_UNTIED, OMP_CLAUSE_COLLAPSE,
465         OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.
466         (dump_generic_node): Handle OMP_TASK and collapsed OMP_FOR loops.
467         * c-omp.c (c_finish_omp_for): Allow pointer iterators.  Remove
468         warning about unsigned iterators.  Change decl/init/cond/incr
469         arguments to TREE_VECs, check arguments for all collapsed loops.
470         (c_finish_omp_taskwait): New function.
471         (c_split_parallel_clauses): Put OMP_CLAUSE_COLLAPSE clause to
472         ws_clauses.
473         * c-parser.c (c_parser_omp_for_loop): Parse collapsed loops.  Call
474         default_function_array_conversion on init.  Add par_clauses argument.
475         If decl is present in parallel's lastprivate clause, change it to
476         shared and add lastprivate clause for decl to OMP_FOR_CLAUSES.
477         Add clauses argument, on success set OMP_FOR_CLAUSES to it.  Look up
478         collapse count in clauses.
479         (c_parser_omp_for, c_parser_omp_parallel): Adjust
480         c_parser_omp_for_loop callers.
481         (OMP_FOR_CLAUSE_MASK): Add 1 << PRAGMA_OMP_CLAUSE_COLLAPSE.
482         (c_parser_pragma): Handle PRAGMA_OMP_TASKWAIT.
483         (c_parser_omp_clause_name): Handle collapse and untied clauses.
484         (c_parser_omp_clause_collapse, c_parser_omp_clause_untied): New
485         functions.
486         (c_parser_omp_clause_schedule): Handle schedule(auto).
487         Include correct location in the error message.
488         (c_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE
489         and PRAGMA_OMP_CLAUSE_UNTIED.
490         (OMP_TASK_CLAUSE_MASK): Define.
491         (c_parser_omp_task, c_parser_omp_taskwait): New functions.
492         (c_parser_omp_construct): Handle PRAGMA_OMP_TASK.
493         * tree-nested.c (convert_nonlocal_omp_clauses,
494         convert_local_omp_clauses): Handle OMP_CLAUSE_LASTPRIVATE_STMT,
495         OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE,
496         OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
497         Don't handle TREE_STATIC or DECL_EXTERNAL VAR_DECLs in
498         OMP_CLAUSE_DECL.
499         (conver_nonlocal_reference, convert_local_reference,
500         convert_call_expr): Handle OMP_TASK the same as OMP_PARALLEL.  Use
501         OMP_TASKREG_* macros rather than OMP_PARALLEL_*.
502         (walk_omp_for): Adjust for OMP_FOR_{INIT,COND,INCR} changes.
503         * tree-gimple.c (is_gimple_stmt): Handle OMP_TASK.
504         * c-tree.h (c_begin_omp_task, c_finish_omp_task): New prototypes.
505         * c-pragma.h (PRAGMA_OMP_TASK, PRAGMA_OMP_TASKWAIT): New.
506         (PRAGMA_OMP_CLAUSE_COLLAPSE, PRAGMA_OMP_CLAUSE_UNTIED): New.
507         * c-typeck.c (c_begin_omp_task, c_finish_omp_task): New functions.
508         (c_finish_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and
509         OMP_CLAUSE_UNTIED.
510         * c-pragma.c (init_pragma): Init omp task and omp taskwait pragmas.
511         * c-common.h (c_finish_omp_taskwait): New prototype.
512         * gimple-low.c (lower_stmt): Handle OMP_TASK.
513         * tree-parloops.c (create_parallel_loop): Create 1 entry
514         vectors for OMP_FOR_{INIT,COND,INCR}.
515         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
516         (make_edges): Handle OMP_TASK.
517         * tree-ssa-operands.c (get_expr_operands): Handle collapsed OMP_FOR
518         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
519         * tree-inline.c (estimate_num_insns_1): Handle OMP_TASK.
520         * builtin-types.def (BT_PTR_ULONGLONG, BT_PTR_FN_VOID_PTR_PTR,
521         BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR,
522         BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR,
523         BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR,
524         BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New.
525         * omp-builtins.def (BUILT_IN_GOMP_TASK, BUILT_IN_GOMP_TASKWAIT,
526         BUILT_IN_GOMP_LOOP_ULL_STATIC_START,
527         BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_START,
528         BUILT_IN_GOMP_LOOP_ULL_GUIDED_START,
529         BUILT_IN_GOMP_LOOP_ULL_RUNTIME_START,
530         BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_START,
531         BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_START,
532         BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_START,
533         BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_START,
534         BUILT_IN_GOMP_LOOP_ULL_STATIC_NEXT,
535         BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_NEXT,
536         BUILT_IN_GOMP_LOOP_ULL_GUIDED_NEXT,
537         BUILT_IN_GOMP_LOOP_ULL_RUNTIME_NEXT,
538         BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_NEXT,
539         BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_NEXT,
540         BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_NEXT,
541         BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_NEXT): New builtins.
542         * gimplify.c (gimplify_omp_for): Allow pointer type for decl,
543         handle POINTER_PLUS_EXPR.  If loop counter has been replaced and
544         original iterator is present in lastprivate clause or if
545         collapse > 1, set OMP_CLAUSE_LASTPRIVATE_STMT.  Handle collapsed
546         OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
547         (gimplify_expr): Handle OMP_SECTIONS_SWITCH and OMP_TASK.
548         (enum gimplify_omp_var_data): Add GOVD_PRIVATE_OUTER_REF.
549         (omp_notice_variable): Set GOVD_PRIVATE_OUTER_REF if needed,
550         if it is set, lookup var in outer contexts too.  Handle
551         OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.  Handle vars that are supposed
552         to be implicitly determined firstprivate for task regions.
553         (gimplify_scan_omp_clauses): Set GOVD_PRIVATE_OUTER_REF if needed,
554         if it is set, lookup var in outer contexts too.  Set
555         OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set.
556         Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE and
557         OMP_CLAUSE_UNTIED.  Take region_type as last argument
558         instead of in_parallel and in_combined_parallel.
559         (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
560         Adjust callers.
561         (gimplify_adjust_omp_clauses_1): Set OMP_CLAUSE_PRIVATE_OUTER_REF if
562         GOVD_PRIVATE_OUTER_REF is set.  Call omp_finish_clause langhook.
563         (new_omp_context): Set default_kind to
564         OMP_CLAUSE_DEFAULT_UNSPECIFIED for OMP_TASK regions.
565         (omp_region_type): New enum.
566         (struct gimplify_omp_ctx): Remove is_parallel and is_combined_parallel
567         fields, add region_type.
568         (new_omp_context): Take region_type as argument instead of is_parallel
569         and is_combined_parallel.
570         (gimple_add_tmp_var, omp_firstprivatize_variable, omp_notice_variable,
571         omp_is_private, omp_check_private): Adjust ctx->is_parallel and
572         ctx->is_combined_parallel checks.
573         (gimplify_omp_task): New function.
574         (gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and
575         OMP_CLAUSE_UNTIED.
576         * omp-low.c (extract_omp_for_data): Use schedule(static)
577         for schedule(auto).  Handle pointer and unsigned iterators.
578         Compute fd->iter_type.  Handle POINTER_PLUS_EXPR increments.
579         Add loops argument.  Extract data for collapsed OMP_FOR loops.
580         (expand_parallel_call): Assert sched_kind isn't auto,
581         map runtime schedule to index 3.
582         (struct omp_for_data_loop): New type.
583         (struct omp_for_data): Remove v, n1, n2, step, cond_code fields.
584         Add loop, loops, collapse and iter_type fields.
585         (workshare_safe_to_combine_p): Disallow combined for if
586         iter_type is unsigned long long.  Don't combine collapse > 1 loops
587         unless all bounds and steps are constant.  Adjust extract_omp_for_data
588         caller.
589         (expand_omp_for_generic): Handle pointer, unsigned and long long
590         iterators.  Handle collapsed OMP_FOR loops.  Adjust
591         for struct omp_for_data changes.  If libgomp function doesn't return
592         boolean_type_node, add comparison of the return value with 0.
593         (expand_omp_for_static_nochunk, expand_omp_for_static_chunk): Handle
594         pointer, unsigned and long long iterators.  Adjust for struct
595         omp_for_data changes.
596         (expand_omp_for): Assert sched_kind isn't auto, map runtime schedule
597         to index 3.  Use GOMP_loop_ull*{start,next} if iter_type is
598         unsigned long long.  Allocate loops array, pass it to
599         extract_omp_for_data.  For collapse > 1 loops use always
600         expand_omp_for_generic.
601         (omp_context): Add sfield_map and srecord_type fields.
602         (is_task_ctx, lookup_sfield): New functions.
603         (use_pointer_for_field): Use is_task_ctx helper.  Change first
604         argument's type from const_tree to tree.  Clarify comment.
605         In OMP_TASK disallow copy-in/out sharing.
606         (build_sender_ref): Call lookup_sfield instead of lookup_field.
607         (install_var_field): Add mask argument.  Populate both record_type
608         and srecord_type if needed.
609         (delete_omp_context): Destroy sfield_map, clear DECL_ABSTRACT_ORIGIN
610         in srecord_type.
611         (fixup_child_record_type): Also remap FIELD_DECL's DECL_SIZE{,_UNIT}
612         and DECL_FIELD_OFFSET.
613         (scan_sharing_clauses): Adjust install_var_field callers.  For
614         firstprivate clauses on explicit tasks allocate the var by value in
615         record_type unconditionally, rather than by reference.
616         Handle OMP_CLAUSE_PRIVATE_OUTER_REF.  Scan OMP_CLAUSE_LASTPRIVATE_STMT.
617         Use is_taskreg_ctx instead of is_parallel_ctx.
618         Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
619         (create_omp_child_function_name): Add task_copy argument, use
620         *_omp_cpyfn* names if it is true.
621         (create_omp_child_function): Add task_copy argument, if true create
622         *_omp_cpyfn* helper function.
623         (scan_omp_parallel): Adjust create_omp_child_function callers.
624         Rename parallel_nesting_level to taskreg_nesting_level.
625         (scan_omp_task): New function.
626         (lower_rec_input_clauses): Don't run constructors for firstprivate
627         explicit task vars which are initialized by *_omp_cpyfn*.  
628         Pass outer var ref to omp_clause_default_ctor hook if
629         OMP_CLAUSE_PRIVATE_OUTER_REF or OMP_CLAUSE_LASTPRIVATE.
630         Replace OMP_CLAUSE_REDUCTION_PLACEHOLDER decls in
631         OMP_CLAUSE_REDUCTION_INIT.
632         (lower_send_clauses): Clear DECL_ABSTRACT_ORIGIN if in task to
633         avoid duplicate setting of fields.  Handle
634         OMP_CLAUSE_PRIVATE_OUTER_REF.
635         (lower_send_shared_vars): Use srecord_type if non-NULL.  Don't
636         copy-out if TREE_READONLY, only copy-in.
637         (expand_task_copyfn): New function.
638         (expand_task_call): New function.
639         (struct omp_taskcopy_context): New type.
640         (task_copyfn_copy_decl, task_copyfn_remap_type, create_task_copyfn):
641         New functions.
642         (lower_omp_parallel): Rename to...
643         (lower_omp_taskreg): ... this.  Use OMP_TASKREG_* macros where needed.
644         Call create_task_copyfn if srecord_type is needed.  Adjust
645         sender_decl type.
646         (task_shared_vars): New variable.
647         (check_omp_nesting_restrictions): Warn if work-sharing,
648         barrier, master or ordered region is closely nested inside OMP_TASK.
649         Add warnings for barrier if closely nested inside of work-sharing,
650         ordered, or master region.
651         (scan_omp_1): Call check_omp_nesting_restrictions even for
652         GOMP_barrier calls.  Rename parallel_nesting_level to
653         taskreg_nesting_level.  Handle OMP_TASK.
654         (lower_lastprivate_clauses): Even if some lastprivate is found on a
655         work-sharing construct, continue looking for them on parent parallel
656         construct.
657         (lower_omp_for_lastprivate): Add lastprivate clauses
658         to the beginning of dlist rather than end.  Adjust for struct
659         omp_for_data changes.
660         (lower_omp_for): Add rec input clauses before OMP_FOR_PRE_BODY,
661         not after it.  Handle collapsed OMP_FOR loops, adjust for
662         OMP_FOR_{INIT,COND,INCR} changes, adjust extract_omp_for_data caller.
663         (get_ws_args_for): Adjust extract_omp_for_data caller.
664         (scan_omp_for): Handle collapsed OMP_FOR
665         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
666         (lower_omp_single_simple): If libgomp function doesn't return
667         boolean_type_node, add comparison of the return value with 0.
668         (diagnose_sb_1, diagnose_sb_2): Handle collapsed OMP_FOR
669         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.  Handle OMP_TASK.
670         (parallel_nesting_level): Rename to...
671         (taskreg_nesting_level): ... this.
672         (is_taskreg_ctx): New function.
673         (build_outer_var_ref, omp_copy_decl): Use is_taskreg_ctx instead
674         of is_parallel_ctx.
675         (execute_lower_omp): Rename parallel_nesting_level to
676         taskreg_nesting_level.
677         (expand_omp_parallel): Rename to...
678         (expand_omp_taskreg): ... this.  Use OMP_TASKREG_* macros where needed.
679         Call omp_task_call for OMP_TASK regions.
680         (expand_omp): Adjust caller, handle OMP_TASK.
681         (lower_omp_1): Adjust lower_omp_taskreg caller, handle OMP_TASK.
682
683         * bitmap.c (bitmap_default_obstack_depth): New variable.
684         (bitmap_obstack_initialize, bitmap_obstack_release): Do nothing
685         if argument is NULL and bitmap_default_obstack is already initialized.
686         * ipa-struct-reorg.c (do_reorg_1): Call bitmap_obstack_release
687         at the end.
688         * matrix-reorg.c (matrix_reorg): Likewise.
689
690 2008-06-06  Uros Bizjak  <ubizjak@gmail.com>
691
692         * config/i386/i386.md (*indirect_jump): Macroize using P
693         mode iterator.  Remove !TARGET_64BIT from insn constraints.
694         (*tablejump_1): Ditto.
695         (*indirect_jump_rex64): Remove insn pattern.
696         (*tablejump_1_rex64): Ditto.
697         (eh_return_<mode>): Macroize using P mode iterator from eh_return_di
698         and eh_return_si insn patterns.
699
700 2008-06-06  Richard Guenther  <rguenther@suse.de>
701
702         * tree-ssa-structalias.c (merge_smts_into): Remove.
703         (find_what_p_points_to): Do not bother to compute the
704         points-to set for pt_anything pointers.
705         * tree-ssa-operands.c (get_addr_dereference_operands): No NMT
706         for pt_anything pointers is ok.
707
708 2008-06-06  Jan Hubicka  <jh@suse.cz>
709
710         * passes.c (execute_ipa_pass_list): Do not regenerate summaries.
711
712 2008-06-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
713
714         * cgraph.c: Fix typos in comments.
715         (cgraph_availability_names): Fix string typo.
716         * fold-const.c: Fix typos in comments.
717         (fold_binary): Fix typo in warning.
718         * genautomata.c: Fix typos in comments.
719         (check_presence_pattern_sets): Fix typo in local variable.
720         (output_description): Fix typo in output.
721         * ggc-zone.c (ggc_pch_finish): Fix typo in error message.
722         * hwint.h: Likewise.
723         * matrix-reorg.c (check_allocation_function): Likewise.
724         * omega.c (smooth_weird_equations): Likewise.
725         * auto-inc-dec.c: Fix typos in comments.
726         * bb-reorder.c: Likewise.
727         * builtins.c: Likewise.
728         * c-common.c: Likewise.
729         * c-cppbuiltin.c: Likewise.
730         * c-parser.c: Likewise.
731         * c-pretty-print.c: Likewise.
732         * cfgcleanup.c: Likewise.
733         * cfgexpand.c: Likewise.
734         * cfghooks.c: Likewise.
735         * cfglayout.c: Likewise.
736         * cfgloopmanip.c: Likewise.
737         * cgraphunit.c: Likewise.
738         * coverage.c: Likewise.
739         * dbxout.c: Likewise.
740         * df-byte-scan.c: Likewise.
741         * df-core.c: Likewise.
742         * df-problems.c: Likewise.
743         * df-scan.c: Likewise.
744         * dfp.c: Likewise.
745         * dominance.c: Likewise.
746         * domwalk.c: Likewise.
747         * dse.c: Likewise.
748         * dwarf2out.c: Likewise.
749         * emit-rtl.c: Likewise.
750         * et-forest.c: Likewise.
751         * function.c: Likewise.
752         * function.h: Likewise.
753         * gcc.c: Likewise.
754         * gcov-io.c: Likewise.
755         * gcov.c: Likewise.
756         * gcse.c: Likewise.
757         * genattrtab.c: Likewise.
758         * ggc-page.c: Likewise.
759         * gimplify.c: Likewise.
760         * gthr-lynx.h: Likewise.
761         * haifa-sched.c: Likewise.
762         * ipa-cp.c: Likewise.
763         * ipa-inline.c: Likewise.
764         * ipa-prop.h: Likewise.
765         * ipa-pure-const.c: Likewise.
766         * ipa-struct-reorg.c: Likewise.
767         * ipa-struct-reorg.h: Likewise.
768         * ipa-type-escape.c: Likewise.
769         * ipa.c: Likewise.
770         * loop-doloop.c: Likewise.
771         * mips-tfile.c: Likewise.
772         * mkmap-flat.awk: Likewise.
773         * mkmap-symver.awk: Likewise.
774         * modulo-sched.c: Likewise.
775         * omp-low.c: Likewise.
776         * optabs.c: Likewise.
777         * optabs.h: Likewise.
778         * opts.c: Likewise.
779         * passes.c: Likewise.
780         * postreload-gcse.c: Likewise.
781         * postreload.c: Likewise.
782         * predict.c: Likewise.
783         * pretty-print.h: Likewise.
784         * profile.c: Likewise.
785         * protoize.c: Likewise.
786         * ra-conflict.c: Likewise.
787         * real.c: Likewise.
788         * recog.c: Likewise.
789         * regclass.c: Likewise.
790         * regs.h: Likewise.
791         * reload.c: Likewise.
792         * rtl-error.c: Likewise.
793         * rtlanal.c: Likewise.
794         * scan.h: Likewise.
795         * sched-rgn.c: Likewise.
796         * see.c: Likewise.
797         * stmt.c: Likewise.
798         * target.h: Likewise.
799         * tree-dfa.c: Likewise.
800         * tree-eh.c: Likewise.
801         * tree-flow-inline.h: Likewise.
802         * tree-inline.c: Likewise.
803         * tree-into-ssa.c: Likewise.
804         * tree-loop-distribution.c: Likewise.
805         * tree-nested.c: Likewise.
806         * tree-parloops.c: Likewise.
807         * tree-pass.h: Likewise.
808         * tree-pretty-print.c: Likewise.
809         * tree-profile.c: Likewise.
810         * tree-scalar-evolution.c: Likewise.
811         * tree-sra.c: Likewise.
812         * tree-ssa-alias-warnings.c: Likewise.
813         * tree-ssa-ccp.c: Likewise.
814         * tree-ssa-coalesce.c: Likewise.
815         * tree-ssa-dom.c: Likewise.
816         * tree-ssa-dse.c: Likewise.
817         * tree-ssa-forwprop.c: Likewise.
818         * tree-ssa-live.c: Likewise.
819         * tree-ssa-live.h: Likewise.
820         * tree-ssa-loop-im.c: Likewise.
821         * tree-ssa-loop-ivopts.c: Likewise.
822         * tree-ssa-loop-niter.c: Likewise.
823         * tree-ssa-loop-prefetch.c: Likewise.
824         * tree-ssa-phiopt.c: Likewise.
825         * tree-ssa-phiprop.c: Likewise.
826         * tree-ssa-sccvn.c: Likewise.
827         * tree-ssa-ter.c: Likewise.
828         * tree-ssa-threadupdate.c: Likewise.
829         * tree-ssa.c: Likewise.
830         * tree-vect-analyze.c: Likewise.
831         * tree-vect-transform.c: Likewise.
832         * tree-vectorizer.c: Likewise.
833         * tree-vn.c: Likewise.
834         * tree-vrp.c: Likewise.
835         * tree.c: Likewise.
836         * tree.def: Likewise.
837         * tree.h: Likewise.
838         * unwind-dw2-fde.c: Likewise.
839         * unwind.inc: Likewise.
840         * value-prof.c: Likewise.
841         * vmsdbgout.c: Likewise.
842
843 2008-06-05  David Edelsohn  <edelsohn@gnu.org>
844
845         * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Do not
846         always place FP constants in the TOC for TARGET_POWERPC64.
847         * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Same.
848
849 2008-06-05  Joseph Myers  <joseph@codesourcery.com>
850
851         * config.gcc (powerpc-*-linux*spe*): Use t-dfprules.
852         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): Do not
853         enable for TARGET_E500_DOUBLE.
854         (*movdd_softfloat32): Also enable for !TARGET_FPRS.
855         * config/rs6000/rs6000.c (invalid_e500_subreg): Treat decimal
856         floating-point modes like integer modes for E500 double.
857         (rs6000_legitimate_offset_address_p): Likewise.
858         (rs6000_legitimize_address): Likewise.  Do not allow REG+REG
859         addressing for DDmode for E500 double.
860         (rs6000_hard_regno_nregs): Do not treat decimal floating-point
861         modes as using 64-bits of registers for E500 double.
862         (spe_build_register_parallel): Do not handle DDmode or TDmode.
863         (rs6000_spe_function_arg): Do not handle DDmode or TDmode
864         specially for E500 double.
865         (function_arg): Do not call rs6000_spe_function_arg for DDmode or
866         TDmode for E500 double.
867         (rs6000_gimplify_va_arg): Only handle SDmode in registers
868         specially if TARGET_HARD_FLOAT && TARGET_FPRS.
869         (rs6000_split_multireg_move): Do not handle TDmode specially for
870         E500 double.
871         (spe_func_has_64bit_regs_p): Do not treat DDmode or TDmode as
872         using 64-bit registers for E500 double.
873         (emit_frame_save): Do not handle DDmode specially for E500 double.
874         (gen_frame_mem_offset): Likewise.
875         (rs6000_function_value): Do not call spe_build_register_parallel
876         for DDmode or TDmode.
877         (rs6000_libcall_value): Likewise.
878         * config/rs6000/rs6000.h (LOCAL_ALIGNMENT, MEMBER_TYPE_FORCES_BLK,
879         DATA_ALIGNMENT, CLASS_MAX_NREGS): Do not handle DDmode specially
880         for E500 double.
881
882 2008-06-04  H.J. Lu  <hongjiu.lu@intel.com>
883
884         * config/i386/i386.c (setup_incoming_varargs_64): Fix a typo
885         in comments.
886
887 2008-06-04  Junjie Gu <jgu@tensilica.com>
888
889         * config/xtensa/lib2funcs.S (__xtensa_nonlocal_goto): Use unsigned
890         comparison for frame pointers.
891
892 2008-06-04  Andy Hutchinson  <hutchinsonandy@aim.com>
893
894         PR target/27386
895         * config/avr/avr.h (PUSH_ROUNDING): Remove.
896
897 2008-06-04  Andy Hutchinson  <hutchinsonandy@aim.com>
898
899         PR target/30243
900         * builtins.c (expand_builtin_signbit): Don't take lowpart when
901         register is already smaller or equal to required mode. 
902
903 2008-06-04  Xinliang David Li  <davidxl@google.com>
904
905         * tree-call-cdce.c: New file. 
906         (cond_dead_built_in_calls): New static variable.
907         (input_domain): New struct.
908         (check_pow): New function.
909         (check_builtin_call): Ditto.
910         (check_target_format): Ditto.
911         (is_call_dce_candidate): Ditto.
912         (gen_one_condition): Ditto.
913         (gen_conditions_for_domain): Ditto.
914         (get_domain): Ditto.
915         (gen_conditions_for_pow_cst_base): Ditto.
916         (gen_conditions_for_pow_int_base): Ditto.
917         (gen_conditions_for_pow): Ditto.
918         (get_no_error_domain): Ditto.
919         (gen_shrink_wrap_conditions): Ditto.
920         (shrink_wrap_one_built_in_call): Ditto.
921         (shink_wrap_conditional_dead_built_in_calls): Ditto.
922         (tree_call_cdce): Ditto.
923         (gate_call_cdce): Ditto.
924         (pass_call_cdce): New gimple pass.
925         * passes.c: (init_optimization_passes): New pass.
926         * tree-pass.h: New pass declaration.
927         * opts.c (decode_options): New flag setting.
928         * common.opt: Add -ftree-builtin-call-dce flag.
929         * Makefile.in: Add new source file.
930         * tempvar.def: New tv_id.
931         * doc/invoke.texi (-ftree-builtin-call-dce): New flag.
932
933 2008-06-04  Richard Guenther  <rguenther@suse.de>
934
935         * tree-flow-inline.h (is_global_var): Do not check TREE_STATIC on MTAGs.
936         (is_call_clobbered): Always check var_ann->call_clobbered.
937         (mark_call_clobbered): Always set var_ann->call_clobbered.
938         (clear_call_clobbered): Always clear var_ann->call_clobbered.
939         * tree-ssa-alias.c (mark_non_addressable): Use clear_call_clobbered.
940         (reset_alias_info): Clear call clobbering info on MTAGs and
941         globals as well.
942         (set_pt_anything): Set pt_global_mem.
943         (create_tag_raw): Adjust comment.
944         (may_be_aliased): Do not check TREE_PUBLIC on MTAGs.
945
946 2008-06-04  Joseph Myers  <joseph@codesourcery.com>
947             Maxim Kuvyrkov  <maxim@codesourcery.com>
948
949         * config/m68k/m68k.opt (mxgot): New option.
950         * config/m68k/m68k.c (legitimize_pic_address): Handle -mxgot.
951         (m68k_output_addr_const_extra): New.
952         * config/m68k/m68k.h (OUTPUT_ADDR_CONST_EXTRA): New.
953         * config/m68k/m68k-protos.h (m68k_output_addr_const_extra): Declare.
954         * config/m68k/m68k.md (UNSPEC_GOTOFF): Define.
955         * doc/invoke.texi (M680x0 Options): Document -mxgot.
956
957 2008-06-04  Richard Guenther  <rguenther@suse.de>
958
959         * tree-ssa-structalias.c (handle_ptr_arith): Correctly handle
960         negative or non-representable offsets.
961
962 2008-06-03  H.J. Lu  <hongjiu.lu@intel.com>
963
964         * config/i386/i386.c (ix86_gen_leave): New.
965         (ix86_gen_pop1): Likewise.
966         (ix86_gen_add3): Likewise.
967         (ix86_gen_sub3): Likewise.
968         (ix86_gen_sub3_carry): Likewise.
969         (ix86_gen_one_cmpl2): Likewise.
970         (ix86_gen_monitor): Likewise.
971         (override_options): Initialize ix86_gen_leave, ix86_gen_pop1,
972         ix86_gen_add3, ix86_gen_sub3, ix86_gen_sub3_carry,
973         ix86_gen_one_cmpl2 and ix86_gen_monitor.
974         (ix86_file_end): Use mov%z0 instead of mov{q}/mov{l}.
975         (output_set_got): Use mov%z0, pop%z0 and add%z0 instead of
976         mov{q}/mov{l}, pop{q}/pop{l} and add{q}/add{l}.
977         (ix86_expand_epilogue): Updated.
978         (print_operand): Handle integer register operand for 'z'.
979         (ix86_expand_strlensi_unroll_1): Likewise.
980         (ix86_expand_strlen): Likewise.
981         (ix86_expand_builtin): Likewise.
982         (x86_output_mi_thunk): Use mov%z1 and add%z1 instead of
983         mov{q}/mov{l} and add{q}/add{l}.
984
985 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
986
987         * config/i386/i386.md (P): New mode iterator.
988         (SFmode push_operand splitter): Macroize DImode and SImode pushes
989         using P mode iterator.
990         (DFmode push_operand splitter): Ditto.
991         (XFmode push_operand splitter): Ditto.
992         (DFmode float_extend SFmode push_operand splitter): Ditto.
993         (XFmode float_extend SFmode push_operand splitter): Do not generate
994         SImode pushes for 64bit target.  Macroize Dimode and SImode
995         pushes using P mode iterator.
996         (XFmode float_extend DFmode push_operand splitter): Ditto.
997
998 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
999
1000         * config/i386/i386-protos.h (ix86_reg_parm_stack_space): New.
1001         * config/i386/i386.h (ix86_reg_parm_stack_space): Removed prototype.
1002         * config/i386/i386.c (ix86_reg_parm_stack_space): Changed
1003         return type to int.
1004         (ix86_call_abi_override): Remove check for call_used_regs.
1005
1006 2008-06-03  Richard Guenther  <rguenther@suse.de>
1007
1008         * tree-ssa-structalias.c (find_func_aliases): Add constraints
1009         for the lhs of calls if the return type contains pointers.
1010
1011 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
1012
1013         * doc/tm.texi (OVERRIDE_ABI_FORMAT): New.
1014         * doc/extend.texi (ms_abi,sysv_abi): New attribute description.
1015         * function.c (allocate_struct_function): Use of OVERRIDE_ABI_FORMAT.
1016         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Make use
1017         of cfun and DEFAULT_ABI to deceide abi mode.
1018         (DEFAULT_ABI): New.
1019         (REG_PARM_STACK_SPACE): Removed.
1020         (OUTGOING_REG_PARM_STACK_SPACE): Removed.
1021         (STACK_BOUNDARY): Use default target to deceide stack boundary.
1022         * config/i386/i386-protos.h (ix86_cfun_abi): New.
1023         (ix86_function_abi): Likewise.
1024         (ix86_function_type_abi): Likewise.
1025         (ix86_call_abi_override): Likewise.
1026         * confid/i386/i386.md (SSE_REGPARM_MAX): Replaced by abi
1027         specific define X86_64_SSE_REGPARM_MAX/X64_SSE_REGPARM_MAX.
1028         * config/i386/i386.c (override_options): Replace TARGET_64BIT_MS_ABI.
1029         (X86_64_VARARGS_SIZE): Replace REGPARM_MAX and SSE_REGPARM_MAX by abi
1030         specific defines.
1031         (X86_64_REGPARM_MAX): New.
1032         (X86_64_SSE_REGPARM_MAX): New.
1033         (X64_REGPARM_MAX): New.
1034         (X64_SSE_REGPARM_MAX): New.
1035         (X86_32_REGPARM_MAX): New.
1036         (X86_32_SSE_REGPARM_MAX): New.
1037         (ix86_handle_cconv_attribute): Replace TARGET_64BIT_MS_ABI.
1038         (ix86_function_regparm): Handle user calling abi.
1039         (ix86_function_arg_regno_p): Replace TARGET_64BIT_MS_ABI
1040         by DEFAULT_ABI versus SYSV_ABI check.
1041         (ix86_reg_parm_stack_space): New.
1042         (ix86_function_type_abi): New.
1043         (ix86_call_abi_override): New.
1044         (ix86_function_abi): New.
1045         (ix86_cfun_abi): New.
1046         (init_cumulative_args): Call abi specific initialization.
1047         (function_arg_advance): Remove TARGET_64BIT_MS_ABI.
1048         (function_arg_64): Extend SSE_REGPARM_MAX check.
1049         (function_arg (): Remove TARGET_64BIT_MS_ABI.
1050         (ix86_pass_by_reference): Likewise.
1051         (ix86_function_value_regno_p): Likewise.
1052         (function_value_64): Replace REGPARM_MAX, and SSE_REGPARM_MAX.
1053         (ix86_function_value_1): Replace TARGET_64BIT_MS_ABI.
1054         (return_in_memory_ms_64): Replace TARGET_64BIT_MS_ABI.
1055         (ix86_build_builtin_va_list): Replace TARGET_64BIT_MS_ABI.
1056         (setup_incoming_varargs_64): Adjust regparm for call abi.
1057         (ix86_setup_incoming_varargs): Replace TARGET_64BIT_MS_ABI.
1058         (ix86_va_start): Likewise.
1059         (ix86_gimplify_va_arg): Likewise.
1060         (ix86_expand_prologue): Likewise.
1061         (output_pic_addr_const): Likewise.
1062         (ix86_init_machine_status): Initialize call_abi by DEFAULT_ABI.
1063         (x86_this_parameter): Replace TARGET_64BIT_MS_ABI.
1064         (x86_output_mi_thunk): Likewise.
1065         (x86_function_profiler): Likewise.
1066         * config/i386/i386.h (TARGET_64BIT_MS_ABI): Use ix64_cfun_abi.
1067         (SYSV_ABI, MS_ABI): New constants.
1068         (DEFAULT_ABI): New.
1069         (init_regs): Add prototype of function in regclass.c file.
1070         (OVERRIDE_ABI_FORMAT): New.
1071         (CONDITIONAL_REGISTER_USAGE): Remove TARGET_64BIT_MS_ABI part.
1072         (REG_PARM_STACK_SPACE): Use ix86_reg_parm_stack_space.
1073         (OUTGOING_REG_PARM_STACK_SPACE): New.
1074         (ix86_reg_parm_stack_space): New prototype.
1075         (CUMULATIVE_ARGS): Add call_abi member.
1076         (machine_function): Add call_abi member.
1077         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Replace
1078         TARGET_64BIT_MS_ABI by DEFAULT_ABI compare to MS_ABI.
1079
1080 2008-06-02  Andy Hutchinson  <hutchinsonandy@aim.com> 
1081
1082         PR target/34879
1083         * config/avr/avr.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Redefine.
1084         (avr_builtin_setjmp_frame_value): New function.
1085         * config/avr/avr.md (nonlocal_goto_receiver): Define.
1086         (nonlocal_goto): Define.
1087
1088 2008-06-02  Richard Sandiford  <rdsandiford@googlemail.com>
1089
1090         * config/mips/mips.c (mips_emit_loadgp): Return early if
1091         there is nothing do to, otherwise emit a blockage if
1092         !TARGET_EXPLICIT_RELOCS || crtl->profile.
1093         * config/mips/mips.md (loadgp_blockage): Use SI rather than DI.
1094
1095 2008-06-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1096
1097         * configure.ac: Drop unneeded backslash ending up in config.in.
1098         * acinclude.m4: Likewise.
1099         * config.in: Regenerate.
1100
1101 2008-05-26  Jan Hubicka  <jh@suse.cz>
1102
1103         * predict.c (maybe_hot_frequency_p): Break out of...
1104         (maybe_hot_bb_p): ... here.
1105         (maybe_hot_edge_p): New.
1106         * tree-ssa-coalesce.c (coalesce_cost_edge): Compute cost based on edge.
1107         * basic-block.h (maybe_hot_edge_p): Declare.
1108
1109 2008-05-31  Uros Bizjak  <ubizjak@gmail.com>
1110
1111         * config/i386/i386.md (*cmpfp_<mode>): Enable for optimize_size.
1112         (*cmpfp_<mode>_cc): Ditto.
1113         (*fp_jcc_8<mode>_387): Ditto.
1114         (*fop_<MODEF:mode>_2_i387): Ditto.
1115         (*fop_<MODEF:mode>_3_i387): Ditto.
1116         (*fop_xf_2_i387): Ditto.
1117         (*fop_xf_3_i387): Ditto.
1118
1119 2008-06-02  Tomas Bily  <tbily@suse.cz>
1120
1121         * tree-ssa-ifcombine.c (get_name_for_bit_test): Use CONVERT_EXPR_P.
1122
1123 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
1124
1125         * config/mips/mips.c (mips_valid_offset_p): New function.
1126         (mips_valid_lo_sum_p): Likewise.
1127         (mips_classify_address): Use them.
1128         (mips_force_address): New function.
1129         (mips_legitimize_address): Use it.
1130         * config/mips/mips.md (MOVE128): New mode iterator.
1131         (movtf): Require TARGET_64BIT.  Remove empty strings.
1132         (*movtf_internal): Rename to...
1133         (*movtf): ...this and require !TARGET_MIPS16.  Use "m" instead
1134         of "R" and use {,fp}{load,store} attributes instead of "multi".
1135         Use a separate define_split.
1136         (*movtf_mips16): New pattern.
1137
1138 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
1139
1140         * config/mips/mips-protos.h (mips_expand_before_return): Declare.
1141         * config/mips/mips.c (mips_expand_before_return): New function.
1142         (mips_expand_epilogue): Call it.
1143         * config/mips/mips.md (return): Turn into a define_expand.
1144         (*return): New insn.
1145
1146 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
1147
1148         * rtl.h (emit_clobber, gen_clobber, emit_use, gen_use): Declare.
1149         * emit-rtl.c (emit_clobber, gen_clobber, emit_use, gen_use): New
1150         functions.  Do not emit uses and clobbers of CONCATs; individually
1151         use and clobber their operands.
1152         * builtins.c (expand_builtin_setjmp_receiver): Use emit_clobber,
1153         gen_clobber, emit_use and gen_use.
1154         (expand_builtin_longjmp, expand_builtin_nonlocal_goto): Likewise.
1155         (expand_builtin_return): Likewise.
1156         * cfgbuild.c (count_basic_blocks): Likewise.
1157         * cfgrtl.c (rtl_flow_call_edges_add): Likewise.
1158         * explow.c (emit_stack_restore): Likewise.
1159         * expmed.c (extract_bit_field_1): Likewise.
1160         * expr.c (convert_move, emit_move_complex_parts): Likewise.
1161         (emit_move_multi_word, store_constructor): Likewise.
1162         * function.c (do_clobber_return_reg, do_use_return_reg): Likewise.
1163         (thread_prologue_and_epilogue_insns): Likewise.
1164         * lower-subreg.c (resolve_simple_move): Likewise.
1165         * optabs.c (widen_operand, expand_binop): Likewise.
1166         (expand_doubleword_bswap, emit_no_conflict_block): Likewise.
1167         * reload.c (find_reloads): Likewise.
1168         * reload1.c (eliminate_regs_in_insn): Likewise.
1169         * stmt.c (expand_nl_goto_receiver): Likewise.
1170         * config/alpha/alpha.md (builtin_longjmp): Likewise.
1171         * config/arc/arc.md (*movdi_insn, *movdf_insn): Likewise.
1172         * config/arm/arm.c (arm_load_pic_register): Likewise.
1173         (thumb1_expand_epilogue, thumb_set_return_address): Likewise.
1174         * config/arm/arm.md (untyped_return): Likewise.
1175         * config/arm/linux-elf.h (PROFILE_HOOK): Likewise.
1176         * config/avr/avr.c (expand_prologue): Likewise.
1177         * config/bfin/bfin.c (do_unlink): Likewise.
1178         * config/bfin/bfin.md (<optab>di3, adddi3, subdi3): Likewise.
1179         * config/cris/cris.c (cris_expand_prologue): Likewise.
1180         * config/darwin.c (machopic_indirect_data_reference): Likewise.
1181         (machopic_legitimize_pic_address): Likewise.
1182         * config/frv/frv.c (frv_frame_access, frv_expand_epilogue): Likewise.
1183         (frv_ifcvt_modify_insn, frv_expand_mdpackh_builtin): Likewise.
1184         * config/i386/i386.c (ix86_expand_vector_move_misalign): Likewise.
1185         (ix86_expand_convert_uns_didf_sse): Likewise.
1186         (ix86_expand_vector_init_general): Likewise.
1187         * config/ia64/ia64.md (eh_epilogue): Likewise.
1188         * config/iq2000/iq2000.c (iq2000_expand_epilogue): Likewise.
1189         * config/m32c/m32c.c (m32c_emit_eh_epilogue): Likewise.
1190         * config/m32r/m32r.c (m32r_reload_lr): Likewise.
1191         (config/iq2000/iq2000.c): Likewise.
1192         * config/mips/mips.md (fixuns_truncdfsi2): Likewise.
1193         (fixuns_truncdfdi2, fixuns_truncsfsi2, fixuns_truncsfdi2): Likewise.
1194         (builtin_longjmp): Likewise.
1195         * config/mn10300/mn10300.md (call, call_value): Likewise.
1196         * config/pa/pa.md (nonlocal_goto, nonlocal_longjmp): Likewise.
1197         * config/pdp11/pdp11.md (abshi2): Likewise.
1198         * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
1199         * config/s390/s390.c (s390_emit_prologue): Likewise.
1200         * config/s390/s390.md (movmem_long, setmem_long): Likewise.
1201         (cmpmem_long, extendsidi2, zero_extendsidi2, udivmoddi4): Likewise.
1202         (builtin_setjmp_receiver, restore_stack_nonlocal): Likewise.
1203         * config/sh/sh.c (prepare_move_operands): Likewise.
1204         (output_stack_adjust, sh_expand_epilogue): Likewise.
1205         (sh_set_return_address, sh_expand_t_scc): Likewise.
1206         * config/sparc/sparc.c (load_pic_register): Likewise.
1207         * config/sparc/sparc.md (untyped_return, nonlocal_goto): Likewise.
1208         * config/spu/spu.c (spu_expand_epilogue): Likewise.
1209         * config/v850/v850.c (expand_epilogue): Likewise.
1210
1211 2008-05-31  Anatoly Sokolov  <aesok@post.ru>
1212
1213         * config/avr/avr.md (UNSPECV_WRITE_SP_IRQ_ON): New constants.
1214         (UNSPECV_WRITE_SP_IRQ_OFF): (Ditto.).
1215         (movhi_sp_r_irq_off, movhi_sp_r_irq_on): New insn.
1216         * config/avr/avr.c (expand_prologue, expand_epilogue): Use 
1217         movhi_sp_r_irq_off and movhi_sp_r_irq_on insns for writing to the 
1218         stack pointer register.
1219         (output_movhi): Remove code for interrupt specific writing to the 
1220         stack pointer register.
1221
1222 2008-05-31  Richard Guenther  <rguenther@suse.de>
1223
1224         PR tree-optimization/34244
1225         * fold-const.c (tree_expr_nonnegative_warnv_p): Do not ask VRP.
1226         (tree_expr_nonzero_warnv_p): Likewise.
1227         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
1228         ssa_name_nonnegative_p.
1229         (vrp_expr_computes_nonzero): Call ssa_name_nonzero_p.
1230         (extract_range_from_unary_expr): Use vrp_expr_computes_nonzero,
1231         not tree_expr_nonzero_warnv_p.
1232
1233         PR tree-optimization/36262
1234         Revert
1235         2007-11-29  Zdenek Dvorak  <ook@ucw.cz>
1236
1237         PR tree-optimization/34244
1238         * tree-vrp.c (adjust_range_with_scev): Clear scev cache.
1239         (record_numbers_of_iterations): New function.
1240         (execute_vrp): Cache the numbers of iterations of loops.
1241         * tree-scalar-evolution.c (scev_reset_except_niters):
1242         New function.
1243         (scev_reset): Use scev_reset_except_niters.
1244         * tree-scalar-evolution.h (scev_reset_except_niters): Declare.
1245
1246 2008-05-31  Bernd Schmidt  <bernd.schmidt@analog.com>
1247
1248         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
1249         __WORKAROUND_RETS when appropriate.
1250
1251 2008-05-31  Uros Bizjak  <ubizjak@gmail.com>
1252
1253         * config/i386/i386.md (*fop_<mode>_comm_mixed): Macroize from
1254         *fop_sf_comm_mixed and *fop_df_comm_mixed insn patterns using MODEF
1255         mode iterator.
1256         (*fop_<mode>_comm_sse): Macroize from *fop_sf_comm_sse and
1257         *fop_df_comm_sse insn patterns using MODEF mode iterator.
1258         (*fop_<mode>_comm_i387): Macroize from *fop_sf_comm_i387 and
1259         *fop_df_comm_i387 insn patterns using MODEF mode iterator.
1260         (*fop_<mode>_1_mixed): Macroize from *fop_sf_1_mixed and
1261         *fop_df_1_mixed insn patterns using MODEF mode iterator.
1262         (*fop_<mode>_1_sse): Macroize from *fop_sf_1_sse and
1263         *fop_df_1_sse insn patterns using MODEF mode iterator.
1264         (*fop_<mode>_1_i387): Macroize from *fop_sf_1_i387 and
1265         *fop_df_1_i387 insn patterns using MODEF mode iterator.
1266         (*fop_<MODEF:mode>_2_i387): Macroize from *fop_sf_2<mode>_i387 and
1267         *fop_df_2<mode>_i387 insn patterns using MODEF mode iterator.
1268         (*fop_<MODEF:mode>_3_i387): Macroize from *fop_sf_3<mode>_i387 and
1269         *fop_df_3<mode>_i387 insn patterns using MODEF mode iterator.
1270         (*fop_xf_2_i387): Rename from *fop_xf_2<mode>_i387.
1271         (*fop_xf_3_i387): Rename from *fop_xf_3<mode>_i387.
1272         (*fop_xf_4_i387): Use <MODE> for mode attribute.
1273         (*fop_xf_5_i387): Ditto.
1274         (*fop_xf_6_i387): Ditto.
1275
1276 2008-05-30  Richard Guenther  <rguenther@suse.de>
1277
1278         * builtins.c (build_string_literal): Avoid generating
1279         a non-gimple_val result.
1280
1281 2008-05-30  DJ Delorie  <dj@redhat.com>
1282
1283         * exec-tool.in: Use an environment variable (private) instead of a
1284         file (shared) as a semaphore, so as to not break parallel builds.
1285
1286 2008-05-30  Steven Bosscher  <stevenb.gcc@gmail.com>
1287
1288         * optabs.c (maybe_encapsulate_block): Remove.
1289         (emit_libcall_block): Adjust accordingly.
1290         * optabs.h (maybe_encapsulate_block): Remove prototype.
1291
1292         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address):
1293         Don't use maybe_encapsulate_block.
1294
1295 2008-05-30  Steven Bosscher  <stevenb.gcc@gmail.com>
1296
1297         * config/rs6000/rs6000.c (rs6000_legitimize_address,
1298         rs6000_legitimize_reload_address, rs6000_emit_move): Make sure an
1299         rtx is a SYMBOL_REF before calling get_pool_constant.
1300
1301 2008-05-30  Eric Botcazou  <ebotcazou@adacore.com>
1302
1303         * fold-const.c (fold_unary) <CASE_CONVERT>: Add ??? comment.
1304
1305 2008-05-30  Danny Smith  <dannysmith@users.sourceforge.net>
1306
1307         * incpath.c: Use HOST_LACKS_INODE_NUMBERS conditional
1308         rather than OS names to choose INO_T_EQ definition.
1309         (DIRS_EQ) [!INO_T_EQ]: Don't worry about case in comparison.
1310         (add_path) [!INO_T_EQ]: Use lrealpath to fill canonical_name field.
1311
1312 2008-05-29  Daniel Franke  <franke.daniel@gmail.com>
1313
1314         PR target/36348
1315         * config/darwin-f.c: New.
1316         * config/t-darwin: Added rule to build darwin-f.o.
1317         * config.gcc: Defined new variable, fortran_target_objs.
1318         (*-*-darwin*): Set fortran_target_objs.
1319         * Makefile.in: Defined new variable FORTRAN_TARGET_OBJS.
1320         * configure.ac: Substitute fortran_target_objs, set FORTRAN_TARGET_OBJS.
1321         * configure: Regenerated.
1322
1323 2008-05-29  H.J. Lu  <hongjiu.lu@intel.com>
1324
1325         PR target/35771
1326         * config/i386/i386.c (ix86_function_arg_boundary): Convert to
1327         canonical type if needed.
1328
1329 2008-05-29  Eric Botcazou  <ebotcazou@adacore.com>
1330
1331         * tree-nested.c (check_for_nested_with_variably_modified): Fix typo.
1332
1333 2008-05-29  Richard Guenther  <rguenther@suse.de>
1334
1335         PR tree-optimization/36343
1336         PR tree-optimization/36346
1337         PR tree-optimization/36347
1338         * tree-flow.h (clobber_what_p_points_to): Declare.
1339         * tree-ssa-structalias.c (set_uids_in_ptset): Whether the
1340         pointed-to variable is dereferenced is irrelevant to whether
1341         the pointer can access the pointed-to variable.
1342         (clobber_what_p_points_to): New function.
1343         * tree-ssa-alias.c (set_initial_properties): Use it.
1344         * tree-ssa.c (verify_flow_sensitive_alias_info): Adjust
1345         call clobber check for NMTs.
1346
1347 2008-05-28  Seongbae Park  <seongbae.park@gmail.com>
1348         
1349         * value-prof.c (tree_ic_transform): Use HOST_WIDEST_INT_PRINT_DEC
1350         for printing gcov_type.
1351
1352 2008-05-28  Seongbae Park  <seongbae.park@gmail.com>
1353
1354         * tree-ssa-propagate.c (set_rhs): Preserve the histogram
1355         and the eh region information.
1356         * value-prof.c (gimple_move_stmt_histograms): New function.
1357         * value-prof.h (gimple_move_stmt_histograms): New function declaration.
1358
1359 2008-05-28  Andreas Tobler  <a.tobler@schweiz.org>
1360
1361         * config/pa/pa.md: Remove extern frame_pointer_needed declaration.
1362
1363 2008-05-28  Seongbae Park <seongbae.park@gmail.com>
1364
1365         * value-prof.c (tree_ic_transform): Print counts.
1366         * tree-profile.c (tree_gen_ic_func_profiler):
1367         Clear __gcov_indreict_call_callee variable to avoid misattribution
1368         of the profile.
1369
1370 2008-05-28  Rafael Espindola  <espindola@google.com>
1371
1372         * see.c (see_def_extension_not_merged): Use copy_rtx_if_shared to avoid
1373         invalid sharing.
1374
1375 2008-05-28  Richard Guenther  <rguenther@suse.de>
1376
1377         PR tree-optimization/36339
1378         * tree-ssa-alias.c (set_initial_properties): Move pt_anything
1379         and clobbering code out of the loop.
1380
1381 2008-05-28  Andreas Krebbel  <krebbel1@de.ibm.com>
1382
1383         * config/s390/constraints.md ('b', 'C', 'D', 'e'): New constraint
1384         letters defined.
1385
1386         * config/s390/s390.c (s390_compare_and_branch_condition_mask,
1387         s390_contiguous_bitmask_p, s390_symref_operand_p,
1388         s390_check_symref_alignment, s390_reload_larl_operand,
1389         s390_reload_symref_address): New functions.
1390         (s390_branch_condition_mnemonic): Support compare and branch
1391         instructions.
1392         (s390_mem_constraint): Avoid symrefs to accepted by the 'T'
1393         and 'W' constraints.
1394         (s390_secondary_reload): Add secondary reloads for unaligned
1395         symbol refs or symbol refs to floating point or QI/TI mode
1396         integer values.
1397         (legitimate_address_p): Accept symbol references as addresses.
1398         (s390_expand_insv): Use rotate and insert selected bits
1399         instruction for insv when building for z10.
1400         (print_operand_address): Handle symbol ref addresses.
1401         (print_operand): Output modifier 'c' added for signed byte values.
1402         (s390_encode_section_info): Mark symbol refs with
1403         SYMBOL_FLAG_NOT_NATURALLY_ALIGNED if appropriate.
1404
1405         * config/s390/s390.md (SIL,RRS,RIS): New instruction formats added.
1406         (length attribute): RRF, RRR have 4 byte length.
1407         (FPALL, INTALL): New mode iterators added.
1408         (*tstdi_sign, *cmpdi_ccs_sign, *cmpsi_ccs_sign,
1409         *cmp<mode>_ccs, *cmpdi_ccu_zero, *cmpdi_ccu, *cmpsi_ccu, *cmphi_ccu,
1410         *movdi_64, *movsi_zarch, *movhi, movmem<mode>, *movmem_short,
1411         *extendsidi2, *extendhidi2_extimm, *extendhisi2_extimm,
1412         *zero_extendsidi2, adddi3, *adddi3_31z, *adddi3_31, addsi3,
1413         *add<mode>3, *add<mode>3_carry1_cc, *add<mode>3_carry2_cc,
1414         *add<mode>3_cc, *add<mode>3_imm_cc, *muldi3_sign, muldi3,
1415         *mulsi3_sign, mulsi3, mulsidi3): Patterns enhanced with z10
1416         instructions.
1417         (*cmphi_ccs_z10, *cmpdi_ccs_signhi_rl, *cmpsi_ccu_zerohi_rlsi,
1418         *cmp<GPR:mode>_ccu_zerohi_rldi, *cmp_and_br_signed_<mode>,
1419         *cmp_and_br_unsigned_<mode>, reload<INTALL:mode><P:mode>_tomem_z10,
1420         reload<INTALL:mode><P:mode>_toreg_z10,
1421         reload<FPALL:mode><P:mode>_tomem_z10,
1422         reload<FPALL:mode><P:mode>_toreg_z10,
1423         reload<P:mode>_larl_odd_addend_z10, *execute_rl, *insv<mode>_z10,
1424         *insv<mode>_z10_noshift, *insv<mode>_or_z10_noshift,
1425         *zero_extendhi<mode>2_z10, *cmp_and_trap_signed_int<mode>,
1426         *cmp_and_trap_unsigned_int<mode>, prefetch): New pattern or expander
1427         definition.
1428         (movmem, clrmem, cmpmem): New splitters added.
1429
1430         * config/s390/predicates.md (larl_operand): Use
1431         SYMBOL_REF_FLAGS (op) & SYMBOL_FLAG_ALIGN1 replaced with
1432         SYMBOL_REF_ALIGN1_P.
1433         (s390_signed_integer_comparison,
1434         s390_unsigned_integer_comparison): New predicates.
1435
1436         * config/s390/s390-protos.h (s390_check_symref_alignment,
1437         s390_contiguous_bitmask_p, s390_reload_larl_operand,
1438         s390_reload_symref_address,
1439         s390_compare_and_branch_condition_mask): Prototypes added.
1440
1441         * config/s390/s390.h (TARGET_MEM_CONSTRAINT,
1442         SYMBOL_REF_ALIGN1_P, SYMBOL_FLAG_NOT_NATURALLY_ALIGNED,
1443         SYMBOL_REF_NOT_NATURALLY_ALIGNED_P): Macro definition added.
1444
1445 2008-05-28  Andreas Krebbel  <krebbel1@de.ibm.com>
1446
1447         * config/s390/s390.c (z10_cost): New cost function for z10.
1448         (s390_handle_arch_option, override_options): Support -march=z10 switch.
1449         (s390_issue_rate): Adjust issue rate for z10.
1450         * config/s390/s390.h (processor_type): Add PROCESSOR_2097_Z10.
1451         (processor_flags): Add PF_Z10.
1452         (TARGET_CPU_Z10, TARGET_Z10): New macro definitions.
1453         * config/s390/s390.md (cpu, cpu_facility attributes): Add z10.
1454         * gcc/config.gcc: Add z10.
1455
1456 2008-05-28  Richard Guenther  <rguenther@suse.de>
1457
1458         PR tree-optimization/36291
1459         * tree-flow. h (struct gimple_df): Remove var_anns member.
1460         * tree-flow-inline.h (gimple_var_anns): Remove.
1461         (var_ann): Simplify.
1462         * tree-dfa.c (create_var_ann): Simplify.
1463         (remove_referenced_var): Clear alias info from var_anns of globals.
1464         * tree-ssa.c (init_tree_ssa): Do not allocate var_anns.
1465         (delete_tree_ssa): Clear alias info from var_anns of globals.
1466         Do not free var_anns.
1467         (var_ann_eq): Remove.
1468         (var_ann_hash): Likewise.
1469
1470 2008-05-28  Mark Shinwell  <shinwell@codesourcery.com>
1471
1472         * config/mips/mips.c (mips_cpu_info_table): Add loongson2e
1473         and loongson2f entries.
1474         (mips_rtx_cost_data): Add entries for Loongson-2E/2F.
1475         * config/mips/mips.h (processor_type): Add Loongson-2E
1476         and Loongson-2F entries.
1477         (TARGET_LOONGSON_2E, TARGET_LOONGSON_2F, TARGET_LOONGSON_2EF): New.
1478         (MIPS_ISA_LEVEL_SPEC): Handle Loongson-2E/2F.
1479         * config/mips/mips.md (define_attr cpu): Add loongson2e and loongson2f.
1480         * doc/invoke.texi (MIPS Options): Document loongson2e
1481         and loongson2f processor names.
1482
1483 2008-05-27  H.J. Lu  <hongjiu.lu@intel.com>
1484
1485         PR target/35767
1486         PR target/35771
1487         * config/i386/i386.c (ix86_function_arg_boundary): Use
1488         alignment of canonical type.
1489         (ix86_expand_vector_move): Check unaligned memory access for
1490         all SSE modes.
1491
1492 2008-05-27  H.J. Lu  <hongjiu.lu@intel.com>
1493
1494         * dwarf2out.c (current_fde): Change return type to dw_fde_ref.
1495         Moved to the front of file.
1496
1497 2008-05-27  Xuepeng Guo  <xuepeng.guo@intel.com>
1498             H.J. Lu  <hongjiu.lu@intel.com>
1499
1500         * dwarf2out.c (current_fde): New.
1501         (add_cfi): Use it.
1502         (lookup_cfa:): Likewise.
1503         (dwarf2out_end_epilogue): Likewise.
1504         (dwarf2out_note_section_used): Likewise.
1505
1506 2008-05-27  Michael Matz  <matz@suse.de>
1507
1508         PR c++/27975
1509         * c.opt (Wenum-compare): New warning option.
1510         * doc/invoke.texi  (Warning Options): Document -Wenum-compare.
1511
1512 2008-05-27  Michael Matz  <matz@suse.de>
1513
1514         PR middle-end/36326
1515         * tree-gimple.c (is_gimple_mem_rhs): Remove work-around for
1516         non-BLKmode types.
1517         * tree-tailcall.c (find_tail_calls): Don't mark calls storing
1518         into memory as tail calls.
1519
1520 2008-05-27  Richard Guenther  <rguenther@suse.de>
1521
1522         PR tree-optimization/36339
1523         * tree-ssa-alias.c (set_initial_properties): Escaped pt_anything
1524         pointers cause all addressable variables to be call clobbered.
1525
1526 2008-05-27  Richard Guenther  <rguenther@suse.de>
1527
1528         PR tree-optimization/36245
1529         * tree-ssa-address.c (add_to_parts): Deal with non-pointer bases.
1530
1531 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
1532
1533         * config/s390/s390.md: Replace all occurences of the 'm'
1534         constraint with 'RT'.
1535
1536 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
1537
1538         * config/s390/s390.md ("cpu_facility", "enabled"): Attribute
1539         definitions added.
1540         ("*movdi_64dfp", "*movdi_64extimm", "*movdi_64"): Merged into
1541         "*movdi_64".
1542         ("*anddi3_extimm", "*anddi3"): Merged into "*anddi3".
1543         ("*iordi3_extimm", "*iordi3"): Merged into "*iordi3".
1544         ("*xordi3_extimm", "*xordi3"): Merged into "*xordi3".
1545
1546 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
1547
1548         * reload.c: (find_reloads): Skip alternatives according to the
1549         "enabled" attribute. Constify the constraint variable.
1550         * recog.c (get_attr_enabled): Add default implementation.
1551         (extract_insn): Set the alternative_enabled_p array
1552         in the recog_data struct.
1553         (preprocess_constraints, constrain_operands): Skip
1554         alternatives according to the "enabled" attribute
1555         * recog.h (struct recog_data): New field alternative_enabled_p.
1556         (skip_alternative): New inline function.
1557         * regclass.c: (record_operand_costs): Check the "enabled" attribute.
1558         (record_reg_classes): Skip alternative according to the
1559         "enabled" attribute.
1560
1561         * doc/md.texi: Add documention for the "enabled" attribute.
1562
1563 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
1564
1565         * defaults.h (TARGET_MEM_CONSTRAINT): New target macro added.
1566         * postreload.c (reload_cse_simplify_operands): Replace 'm'
1567         constraint with TARGET_MEM_CONSTRAINT.
1568         * recog.c (asm_operand_ok, preprocess_constraints,
1569         constrain_operands): Likewise.
1570         * regclass.c (record_reg_classes): Likewise.
1571         * reload.c (find_reloads, alternative_allows_const_pool_ref): Likewise.
1572         * reload1.c (maybe_fix_stack_asms): Likewise.
1573         * stmt.c (parse_output_constraint, parse_input_constraint): Likewise.
1574         * recog.h: Adjust comment.
1575         * genpreds.c (generic_constraint_letters): Remove 'm' constraint.
1576         * genoutput.c (note_constraint): Don't emit error for 'm' constraint.
1577         * doc/md.texi: Add a note to description of 'm' constraint.
1578         * doc/tm.texi: Document the new TARGET_MEM_CONSTRAINT macro.
1579
1580 2008-05-27  Eric Botcazou  <ebotcazou@adacore.com>
1581
1582         * tree-sra.c (sra_type_can_be_decomposed_p) <RECORD_TYPE>: Make sure
1583         that the bitfield is of integral type before testing its precision.
1584
1585 2008-05-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
1586             Sa Liu  <saliu@de.ibm.com> 
1587
1588         * config/spu/spu.c (spu_init_libfuncs): Add __multi3, __divti3, 
1589         __modti3, __udivti3, __umodti3 and __udivmodti4.
1590         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add files
1591         that implement TImode mul and div functions.
1592         * config/spu/multi3.c: New. Implement __multi3.
1593         * config/spu/divmodti4.c: New. Implement _udivmodti4 and others.
1594         * testsuite/gcc.target/spu/muldivti3.c: New. Test TImode mul and div
1595         functions on SPU.
1596
1597 2008-05-26  Steven Bosscher  <stevenb.gcc@gmail.com>
1598
1599         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Generate
1600         new tls_gd_* and tls_ld_* insns instead of an insn sequence.
1601         * config/rs6000/rs6000.md (TLSmode, tls_abi_suffix, tls_insn_suffix,
1602         tls_sysv_suffix): New mode and mode attribute iterators.
1603         (tls_gd_32, tls_gd_64, tls_ld_32, tls_ld_64): Remove.
1604         (lts_gd_aix*, tls_gd_sysv*, tls_ld_aix*, tls_ld_sysv*): New patterns.
1605         (tls_dtprel_*, tls_dtprel_ha_*, tls_dtprel_lo_*, tls_got_dtprel_*,
1606         tls_tprel_*, tls_tprel_ha_*, tls_tprel_lo_*, tls_got_tprel_*,
1607         tls_tls_*): Merge 32 bit and 64 bit variants using aforementioned
1608         iterators.
1609
1610 2008-05-26  Eric Botcazou  <ebotcazou@adacore.com>
1611
1612         PR tree-optimization/36329
1613         * tree.h (CALL_CANNOT_INLINE_P): Add access check.
1614         * tree-gimple.h (CALL_STMT_CANNOT_INLINE_P): New macro.
1615         * cgraphbuild.c (initialize_inline_failed): Use the latter
1616         macro in lieu of the former.
1617         * ipa-inline.c (cgraph_mark_inline): Likewise.
1618         (cgraph_decide_inlining_of_small_function): Likewise.
1619         (cgraph_decide_inlining): Likewise.
1620         (cgraph_decide_inlining_incrementally): Likewise.
1621
1622 2008-05-26  Tristan Gingold  <gingold@adacore.com>
1623             Anatoly Sokolov  <aesok@post.ru>
1624
1625         * config/avr/avr.md ("call_prologue_saves"): Use hi8(gs())/lo8(gs())
1626         instead of pm_lo8/pm_hi8 to makes this call working on avr6.
1627         * config/avr/avr.c (expand_prologue): Tune "call_prologue" 
1628         optimization for 'avr6' architecture.
1629
1630 2008-05-26  Andy Hutchinson  <hutchinsonandy@aim.com>
1631
1632         PR target/34932
1633         * config/avr/avr.md (*addhi3_zero_extend2): Remove.
1634
1635 2008-05-26  Richard Guenther  <rguenther@suse.de>
1636
1637         * tree-ssa-sccvn.c (expr_has_constants): Declare.
1638         (visit_reference_op_load): Initialize VN_INFO->has_constants properly.
1639
1640 2008-05-26  H.J. Lu  <hongjiu.lu@intel.com>
1641
1642         PR middle-end/36253
1643         * caller-save.c (insert_restore): Verify alignment of spill space.
1644         (insert_save): Likewise.
1645         * cfgexpand.c (LOCAL_ALIGNMENT): Removed.
1646         * defaults.h (LOCAL_ALIGNMENT): New. Provide default.
1647         (STACK_SLOT_ALIGNMENT): Likewise.
1648         * function.c (LOCAL_ALIGNMENT): Removed.
1649         (get_stack_local_alignment): New.
1650         (assign_stack_local): Use it.  Set alignment on stack slot.
1651         (assign_stack_temp_for_type): Use get_stack_local_alignment.
1652         * config/i386/i386.h (LOCAL_ALIGNMENT): Updated.
1653         (STACK_SLOT_ALIGNMENT): New.
1654         * config/i386/i386.c (ix86_local_alignment): Handle caller-save
1655         stack slot in XFmode.
1656
1657         * doc/tm.texi (STACK_SLOT_ALIGNMENT): New.
1658
1659 2008-05-26  Kai Tietz  <kai.tietz@onevision.com>
1660
1661         PR/36321
1662         * config/i386/i386.md (allocate_stack_worker_64): Make sure
1663         argument operand in rax isn't removed.
1664
1665 2008-05-26  Richard Guenther  <rguenther@suse.de>
1666
1667         PR middle-end/36300
1668         * fold-const.c (extract_muldiv_1): Use TYPE_OVERFLOW_WRAPS,
1669         not TYPE_UNSIGNED.  Use TYPE_PRECISION instead of GET_MODE_SIZE.
1670
1671 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
1672
1673         PR bootstrap/36331
1674         * c-cppbuiltin.c (define__GNUC__): Re-add definition of __GNUG__.
1675
1676 2008-05-26  Dominique Dhumieres  <dominiq@lps.ens.fr>
1677
1678         * config/darwin-c.c: Include "incpath.h" instead of "c-incpath.h".
1679         * config/t-darwin: Use "incpath.h" instead of "c-incpath.h".
1680
1681 2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>
1682
1683         * tree-nested.c (convert_tramp_reference) <ADDR_EXPR>: Do not
1684         build a trampoline if we don't want one.
1685         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Do not
1686         return zero for nested functions if we don't want a trampoline.
1687
1688 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
1689
1690         * doc/invoke.texi: Added f77, f77-cpp-input to list of file types.
1691
1692 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
1693
1694         PR fortran/18428
1695         * c.opt: Removed undocumented option '-lang-fortran'.
1696         * c-common.h: Removed global variable 'lang_fortran'.
1697         * c-opts.c (c_common_handle_option): Removed code to handle
1698         option '-lang-fortran'. Updated includes.
1699         * c-cppbuiltin.c (c_cpp_builtins): Removed conditional
1700         definition of '__GFORTRAN__'.
1701         (define__GNUC__): Reimplemented to use BASEVER and
1702         cpp_define_formatted.
1703         (builtin_define_with_value_n): Removed.
1704         * c-incpath.h: Renamed to ...
1705         * incpath.h: ... this.
1706         * c-incpath.c: Renamed to ...
1707         * incpath.c: ... this. Updated includes.
1708         * fix-header.c: Updated includes.
1709         * Makefile.in: Replaced c-incpath.[ch] by incpath.[ch].
1710         (c-cppbuiltin.o): Added dependency on and definition of BASEVER.
1711         (OBJ-archive): Added cppdefault.o, incpath.o and prefix.o.
1712
1713 2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>
1714
1715         * tree.h: Update the table of flags used on tree nodes.
1716         (TREE_NO_TRAMPOLINE): New accessor for static_flag.
1717         (SAVE_EXPR_RESOLVED_P): Use automatically-built access check.
1718         (FORCED_LABEL): Add access check.
1719         (CALL_EXPR_RETURN_SLOT_OPT): Likewise.
1720         (ASM_INPUT_P): Likewise.
1721         (ASM_VOLATILE_P): Likewise.
1722         (EH_FILTER_MUST_NOT_THROW): Access static_flag directly.
1723         (OMP_SECTION_LAST): Access private_flag directly.
1724         (OMP_RETURN_NOWAIT): Likewise.
1725         (OMP_PARALLEL_COMBINED): Likewise.
1726         (OMP_CLAUSE_PRIVATE_DEBUG): Access public_flag directly.
1727         (OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE): Likewise.
1728         * tree-ssa-propagate.c (STMT_IN_SSA_EDGE_WORKLIST): Access
1729         deprecated_flag directly.
1730
1731 2008-05-25  H.J. Lu  <hongjiu.lu@intel.com>
1732
1733         * final.c (frame_pointer_needed): Removed.
1734         * flags.h (frame_pointer_needed): Likewise.
1735
1736         * function.h (rtl_data): Add frame_pointer_needed.
1737         (frame_pointer_needed): New.
1738
1739 2008-05-25  Arthur Loiret  <arthur.loiret@u-psud.fr>
1740
1741         * config.gcc (sh2[lbe]*-*-linux*): Allow target.
1742
1743 2008-05-25  Steven Bosscher  <stevenb.gcc@gmail.com>
1744
1745         * gcse.c (hash_scan_set): Do not pick up a REG_EQUAL value if
1746         SRC is a REG.
1747
1748 2008-05-25  Alan Modra  <amodra@bigpond.net.au>
1749
1750         * c-common.c (strip_array_types): Move function to..
1751         * tree.c: ..here.
1752         (get_inner_array_type): Delete.
1753         * c-common.h (strip_array_types): Move declaration to..
1754         * tree.h: ..here.
1755         (get_inner_array_type): Delete.
1756         * config/i386/i386.c (x86_field_alignment): Use strip_array_types.
1757         * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Likewise.
1758         * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
1759         * config/pa/pa.c (emit_move_sequence): Likewise.
1760
1761 2008-05-24  H.J. Lu  <hongjiu.lu@intel.com>
1762
1763         * config/i386/i386.md (*sse_prologue_save_insn): Set length
1764         attribute to 34.
1765
1766 2008-05-24  Andy Hutchinson  <hutchinsonandy@aim.com>
1767
1768         * function.c: Include target hook for nonlocal_goto frame value.
1769
1770 2008-05-24  Richard Guenther  <rguenther@suse.de>
1771
1772         * tree-dfa.c (refs_may_alias_p): Re-instantiate case that a scalar
1773         variable can be only accessed through a pointer or a union.
1774
1775 2008-05-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1776
1777         * builtins.c (fold_builtin_fpclassify): Fix spelling of FP_INFINITE.
1778         * doc/extend.texi: Likewise.
1779
1780 2008-05-23  DJ Delorie  <dj@redhat.com>
1781
1782         * config/m32c/jump.md (untyped_call): Add.
1783
1784         * config/m32c/m32c.c (m32c_return_addr_rtx): Change pointer type
1785         for A24 to PSImode.
1786         (m32c_address_cost): Detail costs for indirect offsets.
1787
1788 2008-05-23  Rafael Espindola  <espindola@google.com>
1789
1790         * see.c (see_get_extension_data): Don't use SUBREG_REG to test
1791         if a node is a SUBREG.
1792         (see_analyze_one_def): Don't use SUBREG_REG to test if a node
1793         is a SUBREG.
1794
1795 2008-05-23  Paul Brook  <paul@codesourcery.com>
1796             Carlos O'Donell  <carlos@codesourcery.com>
1797
1798         * doc/extend.texi: Clarify use of __attribute__((naked)).
1799         * doc/tm.texi: Document TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
1800         * target.h (gcc_target): Add allocate_stack_slots_for_args.
1801         * function.c (use_register_for_decl): Use
1802         targetm.calls.allocate_stack_slots_for_args.
1803         * target-def.h (TARGET_CALLS): Add TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
1804         * config/arm/arm.c (arm_allocate_stack_slots_for_args): New function.
1805         (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Define.
1806
1807 2008-05-23  Eric Botcazou  <ebotcazou@adacore.com>
1808
1809         * expr.c (highest_pow2_factor) <BIT_AND_EXPR>: New case.
1810
1811 2008-05-23  Steven Munroe  <sjmunroe@us.ibm.com>
1812
1813         * config/rs6000/darwin-ldouble.c (fmsub): Eliminate the full
1814         PACK/UNPACK between FP_SUB_Q and FD_TRUNC so that the result
1815         is only rounded once.
1816
1817 2008-05-23  Richard Guenther  <rguenther@suse.de>
1818
1819         * tree-ssa-operands.c (mark_difference_for_renaming): Use bitmap_xor.
1820
1821 2008-05-23  Uros Bizjak  <ubizjak@gmail.com>
1822             Jakub Jelinek  <jakub@redhat.com>
1823
1824         PR target/36079
1825         * configure.ac: Handle --enable-cld.
1826         * configure: Regenerated.
1827         * config.gcc: Add USE_IX86_CLD to tm_defines for x86 targets.
1828         * config/i386/i386.h (struct machine_function): Add needs_cld field.
1829         (ix86_current_function_needs_cld): New define.
1830         * config/i386/i386.md (UNSPEC_CLD): New unspec volatile constant.
1831         (cld): New isns pattern.
1832         (strmov_singleop, rep_mov, strset_singleop, rep_stos, cmpstrnqi_nz_1,
1833         cmpstrnqi_1, strlenqi_1): Set ix86_current_function_needs_cld flag.
1834         * config/i386/i386.opt (mcld): New option.
1835         * config/i386/i386.c (ix86_expand_prologue): Emit cld insn if
1836         TARGET_CLD and ix86_current_function_needs_cld.
1837         (override_options): Use -mcld by default for 32-bit code if
1838         USE_IX86_CLD.
1839
1840         * doc/install.texi (Options specification): Document --enable-cld.
1841         * doc/invoke.texi (Machine Dependent Options)
1842         [i386 and x86-64 Options]: Add -mcld option.
1843         (Intel 386 and AMD x86-64 Options): Document -mcld option.
1844
1845 2008-05-23  Kai Tietz  <kai.tietz@onevison.com>
1846         * config/i386/i386.c (return_in_memory_32): Add ATTRIBUTE_UNUSED.
1847         (return_in_memory_64): Likewise.
1848         (return_in_memory_ms_64): Likewise.
1849
1850 2008-05-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1851
1852         * builtin-types.def (BT_FN_INT_INT_INT_INT_INT_INT_VAR): New.
1853         * builtins.c (fold_builtin_fpclassify): New.
1854         (fold_builtin_varargs): Handle BUILT_IN_FPCLASSIFY.
1855         * builtins.def (BUILT_IN_FPCLASSIFY): New.
1856         * c-common.c (handle_type_generic_attribute): Adjust to accept
1857         fixed arguments before an elipsis.
1858         (check_builtin_function_arguments): Handle BUILT_IN_FPCLASSIFY.
1859         * doc/extend.texi: Document __builtin_fpclassify.
1860
1861 2008-05-22  Aldy Hernandez  <aldyh@redhat.com>
1862
1863         * omp-low.c (gate_expand_omp_ssa): Remove.
1864         (pass_expand_omp_ssa): Remove.
1865         (gate_expand_omp): Do not check for flag_openmp_ssa.
1866         * common.opt (-fopenmp-ssa): Remove.
1867         * passes.c (init_optimization_passes): Remove pass_expand_omp_ssa.
1868
1869 2008-05-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1870
1871         * config/sh/sh.opt (mfixed-range): New option.
1872         * config/sh/sh-protos.h (sh_fix_range): Declare.
1873         * config/sh/sh.c (sh_fix_range): New function.
1874         * config/sh/sh.h (sh_fixed_range_str): Declare.
1875         (OVERRIDE_OPTIONS): Call sh_fix_range if sh_fixed_range_str
1876         is not empty.
1877         * doc/invoke.texi (SH Options): Document -mfixed-range.
1878
1879 2008-05-22  Kai Tietz  <kai.tietz@onevision.com>
1880
1881         * config/i386/sol2-10.h (SUBTARGET_RETURN_IN_MEMORY): Undefine
1882         it before the redeclaration.
1883
1884 2008-05-22  Anatoly Sokolov <aesok@post.ru>
1885
1886         * config/avr/avr.c (get_sequence_length): Add new function.
1887         (expand_prologue, expand_epilogue): Remove duplicate code.
1888
1889 2008-05-22  Rafael Espindola  <espindola@google.com>
1890
1891         * see.c (see_pre_insert_extensions): Use copy_rtx to avoid invalid rtx
1892         sharing.
1893
1894 2008-05-22  H.J. Lu  <hongjiu.lu@intel.com>
1895
1896         * defaults.h (UNITS_PER_SIMD_WORD): Add scalar mode as argument.
1897         * doc/tm.texi (UNITS_PER_SIMD_WORD): Likewise.
1898
1899         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Replace
1900         UNITS_PER_SIMD_WORD with GET_MODE_SIZE (TYPE_MODE (vectype)).
1901         (vect_update_misalignment_for_peel): Likewise.
1902         (vector_alignment_reachable_p): Likewise.
1903         * tree-vect-transform.c (vectorizable_load): Likewise.
1904         * tree-vectorizer.c (vect_supportable_dr_alignment): Likewise.
1905         (get_vectype_for_scalar_type): Pass mode of scalar_type
1906         to UNITS_PER_SIMD_WORD.
1907
1908         * config/arm/arm.h (UNITS_PER_SIMD_WORD): Updated.
1909         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Likewise.
1910         * config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
1911         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
1912         * config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.
1913
1914 2008-05-22  Ira Rosen  <irar@il.ibm.com>
1915
1916         PR tree-optimization/36293
1917         * tree-vect-transform.c (vect_transform_strided_load): Don't check
1918         if the first load must be skipped because of a gap.
1919
1920 2008-05-22  Richard Guenther  <rguenther@suse.de>
1921
1922         * tree-dfa.c (refs_may_alias_p): Exit early if possible.  Handle
1923         more cases of offset disambiguation that is possible if
1924         strict-aliasing rules apply.
1925         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Use refs_may_alias_p
1926         for basic offset and type-based disambiguation.
1927
1928 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1929
1930         * config/i386/i386.c (ix86_expand_vector_init_one_var): Use
1931         ix86_expand_vector_set on V16QImode for SSE4.1.
1932
1933 2008-05-21  Tom Tromey  <tromey@redhat.com>
1934
1935         * c.opt (Wimport): Mark as undocumented.
1936         * doc/invoke.texi (Option Summary): Don't mention -Wimport or
1937         -Wno-import.
1938         (Warning Options): Likewise.
1939         * doc/cppopts.texi: Don't mention -Wimport.
1940
1941 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
1942
1943         PR tree-optimization/36287
1944         PR tree-optimization/36286
1945         * lambda-code.c (build_access_matrix): Do not use the loop->num
1946         for computing the number of induction variables: use the loop depth
1947         instead.
1948
1949 2008-05-21  Kai Tietz  <kai.tietz@onevision.com>
1950
1951         PR/36280
1952         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Honor
1953         option -f(no-)leading-underscore.
1954
1955 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1956
1957         * config/i386/i386.c (ix86_expand_vector_init_general): Use
1958         GET_MODE_NUNITS (mode).
1959
1960 2008-05-21  Peter Bergner  <bergner@vnet.ibm.com>
1961
1962         * doc/invoke.texi: Add cpu_type's 464 and 464fp.
1963         (-mmulhw): Add 464 to description.
1964         (-mdlmzb): Likewise.
1965         * config.gcc: Handle --with-cpu=464 and --with-cpu=464fp.
1966         * config/rs6000/rs6000.c (processor_target_table): Add 464 and
1967         464fp entries.
1968         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add 464 and 464fp support.
1969         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include -mcpu=464.
1970         * config/rs6000/rs6000.md: Update comments for 464.
1971
1972 2008-05-21  Janis Johnson  <janis187@us.ibm.com>
1973
1974         * doc/sourcebuild.texi (Test Directives): Add dg-xfail-run-if.
1975
1976 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1977
1978         * config/i386/sse.md (vec_extractv4sf): Removed.
1979         (vec_extractv2df): Likewise.
1980         (vec_extractv2di): Likewise.
1981         (vec_extractv4si): Likewise.
1982         (vec_extractv8hi): Likewise.
1983         (vec_extractv16qi): Likewise.
1984         (vec_extract<mode>): New.
1985
1986 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1987
1988         * config/i386/sse.md (vec_setv4sf): Removed.
1989         (vec_setv2df): Likewise.
1990         (vec_setv2di): Likewise.
1991         (vec_setv4si): Likewise.
1992         (vec_setv8hi): Likewise.
1993         (vec_setv16qi): Likewise.
1994         (vec_set<mode>): New.
1995
1996 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1997
1998         * config/i386/i386.c (ix86_expand_vector_init_general): Remove
1999         goto for vec_concat and vec_interleave.
2000
2001 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
2002
2003         * config/i386/sse.md (vec_initv4sf): Removed.
2004         (vec_initv2df): Likewise.
2005         (vec_initv2di): Likewise.
2006         (vec_initv4si): Likewise.
2007         (vec_initv8hi): Likewise.
2008         (vec_initv16qi): Likewise.
2009         (vec_init<mode>): New.
2010
2011 2008-05-21  Joseph Myers  <joseph@codesourcery.com>
2012
2013         * collect2.c (find_a_file): Use IS_ABSOLUTE_PATH.
2014
2015 2008-05-21  Tom Tromey  <tromey@redhat.com>
2016
2017         * ggc-zone.c (lookup_page_table_if_allocated): New function.
2018         (zone_find_object_offset): Likewise.
2019         (gt_ggc_m_S): Likewise.
2020         (highest_bit): Likewise.
2021         * ggc-page.c (gt_ggc_m_S): New function.
2022         * stringpool.c (string_stack): Remove.
2023         (init_stringpool): Update.
2024         (ggc_alloc_string): Use ggc_alloc.
2025         (maybe_delete_ident): New function.
2026         (ggc_purge_stringpool): Likewise.
2027         (gt_ggc_m_S): Remove.
2028         * ggc-common.c (ggc_protect_identifiers): New global.
2029         (ggc_mark_roots): Call ggc_purge_stringpool.  Use
2030         ggc_protect_identifiers.
2031         * ggc.h (ggc_protect_identifiers): Declare.
2032         (gt_ggc_m_S): Update.
2033         (ggc_purge_stringpool): Declare.
2034         * toplev.c (compile_file): Set and reset ggc_protect_identifiers.
2035         * gengtype.c (write_types_process_field) <TYPE_STRING>: Remove
2036         special case.
2037         (write_root): Cast gt_ggc_m_S to gt_pointer_walker.
2038
2039 2008-05-21  David S. Miller  <davem@davemloft.net>
2040
2041         * config.gcc (sparc-*-linux*): Always include sparc/t-linux in
2042         tmake_file.
2043
2044 2008-05-21  Eric Botcazou  <ebotcazou@adacore.com>
2045
2046         * cfgexpand.c (tree_expand_cfg): Zap the EH throw statement table
2047         once finished.
2048
2049 2008-05-20  David Daney  <ddaney@avtrex.com>
2050
2051         * config/mips/mips.md (UNSPEC_SYNC_NEW_OP_12,
2052         UNSPEC_SYNC_OLD_OP_12, UNSPEC_SYNC_EXCHANGE_12): New define_constants.
2053         (UNSPEC_SYNC_EXCHANGE, UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
2054         UNSPEC_UPDATE_GOT_VERSION): Renumber.
2055         (optab, insn): Add 'plus' and 'minus' to define_code_attr.
2056         (atomic_hiqi_op): New define_code_iterator.
2057         (sync_compare_and_swap<mode>): Call mips_expand_atomic_qihi instead of
2058         mips_expand_compare_and_swap_12.
2059         (compare_and_swap_12): Use MIPS_COMPARE_AND_SWAP_12 instead of
2060         MIPS_COMPARE_AND_SWAP_12_0.  Pass argument to MIPS_COMPARE_AND_SWAP_12.
2061         (sync_<optab><mode>, sync_old_<optab><mode>,
2062         sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
2063         sync_new_nand<mode>): New define_expands for HI and QI mode operands.
2064         (sync_<optab>_12, sync_old_<optab>_12, sync_new_<optab>_12,
2065         sync_nand_12, sync_old_nand_12, sync_new_nand_12): New insns.
2066         (sync_lock_test_and_set<mode>): New define_expand for HI and QI modes.
2067         (test_and_set_12): New insn.
2068         (sync_old_add<mode>, sync_new_add<mode>, sync_old_<optab><mode>,
2069         sync_new_<optab><mode>, sync_old_nand<mode>,
2070         sync_new_nand<mode>, sync_lock_test_and_set<mode>):  Add early
2071         clobber to operand 0 for SI and DI mode insns.
2072         * config/mips/mips-protos.h (mips_gen_fn_6, mips_gen_fn_5,
2073         mips_gen_fn_4): New typedefs.
2074         (mips_gen_fn_ptrs): Define new union type.
2075         (mips_expand_compare_and_swap_12): Remove declaration.
2076         (mips_expand_atomic_qihi): Declare function.
2077         * config/mips/mips.c (mips_expand_compare_and_swap_12): Rename to...
2078         (mips_expand_atomic_qihi): ... this.  Use new generator function
2079         parameter.
2080         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): Add OPS parameter.
2081         (MIPS_COMPARE_AND_SWAP_12_0): Delete macro.
2082         (MIPS_COMPARE_AND_SWAP_12_ZERO_OP, MIPS_COMPARE_AND_SWAP_12_NONZERO_OP,
2083         MIPS_SYNC_OP_12, MIPS_SYNC_OP_12_NOT_NOP,
2084         MIPS_SYNC_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12,
2085         MIPS_SYNC_OLD_OP_12_NOT_NOP, MIPS_SYNC_OLD_OP_12_NOT_NOP_REG,
2086         MIPS_SYNC_OLD_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12_NOT_NOT_REG,
2087         MIPS_SYNC_NEW_OP_12, MIPS_SYNC_NEW_OP_12_NOT_NOP,
2088         MIPS_SYNC_NEW_OP_12_NOT_NOT, MIPS_SYNC_EXCHANGE_12,
2089         MIPS_SYNC_EXCHANGE_12_ZERO_OP, MIPS_SYNC_EXCHANGE_12_NONZERO_OP):
2090         New macros.
2091
2092 2008-05-20  H.J. Lu  <hongjiu.lu@intel.com>
2093
2094         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Add
2095         the missing break.
2096
2097 2008-05-20  Anatoly Sokolov <aesok@post.ru>
2098
2099         * config/avr/avr.h (machine_function): Add 'is_OS_main' field.
2100         * config/avr/avr.c (avr_OS_main_function_p): Add new function.
2101         (avr_attribute_table): Add 'OS_main' function attribute.
2102         (avr_regs_to_save, expand_prologue, expand_epilogue): Handle
2103         functions with 'OS_main' attribute.
2104
2105 2008-05-20  Richard Guenther  <rguenther@suse.de>
2106
2107         PR tree-optimization/35204
2108         * tree-ssa-sccvn.c (extract_and_process_scc_for_name): New
2109         helper, split out from ...
2110         (DFS): ... here.  Make the DFS walk non-recursive.
2111
2112 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
2113             Jan Sjodin  <jan.sjodin@amd.com>
2114
2115         PR tree-optimization/36181
2116         * tree-parloops.c (loop_has_vector_phi_nodes): New.
2117         (parallelize_loops): Don't parallelize when the loop has vector
2118         phi nodes.
2119
2120 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
2121             Sebastian Pop  <sebastian.pop@amd.com>
2122
2123         * tree-loop-linear.c (gather_interchange_stats): Look in the access
2124         matrix, and never look at the tree representation of the memory
2125         accesses.
2126         (linear_transform_loops): Computes parameters and access matrices.
2127         * tree-data-ref.c (compute_data_dependences_for_loop): Returns false
2128         when fails.
2129         (access_matrix_get_index_for_parameter): New.
2130         * tree-data-ref.h (struct access_matrix): New.
2131         (AM_LOOP_NEST_NUM, AM_NB_INDUCTION_VARS, AM_PARAMETERS, AM_MATRIX,
2132         AM_NB_PARAMETERS, AM_CONST_COLUMN_INDEX, AM_NB_COLUMNS,
2133         AM_GET_SUBSCRIPT_ACCESS_VECTOR, AM_GET_ACCESS_MATRIX_ELEMENT,
2134         am_vector_index_for_loop): New.
2135         (struct data_reference): Add field access_matrix.
2136         (DR_ACCESS_MATRIX): New.
2137         (compute_data_dependences_for_loop): Update declaration.
2138         (lambda_collect_parameters, lambda_compute_access_matrices): Declared.
2139         * lambda.h (lambda_vector_vec_p): Declared.
2140         * lambda-code.c: Depend on pointer-set.h.
2141         (lambda_collect_parameters_from_af, lambda_collect_parameters,
2142         av_for_af_base, av_for_af, build_access_matrix,
2143         lambda_compute_access_matrices): New.
2144         * Makefile.in (lambda-code.o): Depend on pointer-set.h.
2145
2146 2008-05-20  Joseph Myers  <joseph@codesourcery.com>
2147
2148         * doc/install.texi2html: Generate gcc-vers.texi in $DESTDIR not
2149         $SOURCEDIR/include.
2150
2151 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
2152             Sebastian Pop  <sebastian.pop@amd.com>
2153
2154         PR tree-optimization/36206
2155         * tree-scalar-evolution.c: Remove enum INSERT_SUPERLOOP_CHRECS,
2156         FOLD_CONVERSIONS.
2157         (instantiate_scev_1): Rename flags to fold_conversions.
2158         Do not check for INSERT_SUPERLOOP_CHRECS, keep SSA_NAMEs defined
2159         outeside instantiation_loop.
2160         * tree-chrec.h (evolution_function_is_affine_in_loop): New.
2161         (evolution_function_is_affine_or_constant_p): Removed.
2162         * tree-data-ref.c (dr_analyze_indices): Replace resolve_mixers with
2163         instantiate_scev.
2164         (analyze_siv_subscript): Pass in the loop nest number.
2165         Call evolution_function_is_affine_in_loop instead of 
2166         evolution_function_is_affine_p.
2167         (analyze_overlapping_iterations): Pass in the loop nest number.
2168
2169 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
2170             Sebastian Pop  <sebastian.pop@amd.com>
2171
2172         PR tree-optimization/36206
2173         * tree-chrec.h (chrec_fold_op): New.
2174         * tree-data-ref.c (initialize_matrix_A): Traverse NOP_EXPR, PLUS_EXPR,
2175         and other trees.
2176
2177 2008-05-20  Nathan Sidwell  <nathan@codesourcery.com>
2178
2179         * c-incpath.c (INO_T_EQ): Do not define on non-inode systems.
2180         (DIRS_EQ): New.
2181         (remove_duplicates): Do not set inode on non-inode systems.
2182         Use DIRS_EQ.
2183
2184 2008-05-20  Sandra Loosemore  <sandra@codesourcery.com>
2185
2186         * config.gcc (tm_file): Update comments about relative pathnames.
2187
2188 2008-05-20  Richard Guenther  <rguenther@suse.de>
2189
2190         * tree-ssa-reassoc.c (fini_reassoc): Use the statistics infrastructure.
2191         * tree-ssa-sccvn.c (process_scc): Likewise.
2192         * tree-ssa-sink.c (execute_sink_code): Likewise.
2193         * tree-ssa-threadupdate.c (thread_through_all_blocks): Likewise.
2194         * tree-vrp.c (process_assert_insertions): Likewise.
2195         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
2196         (perform_tree_ssa_dce): Likewise.
2197         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
2198         (dump_dominator_optimization_stats): Likewise.
2199         * tree-vectorizer.c (vectorize_loops): Likewise.
2200
2201 2008-05-20  Richard Guenther  <rguenther@suse.de>
2202
2203         * tree-vn.c (vn_lookup_with_vuses): Do not use the alias oracle.
2204
2205 2008-05-20  Kai Tietz  <kai.tietz@onevision.com>
2206
2207         * config/i386/i386-protos.h (ix86_return_in_memory): Removed.
2208         (ix86_i386elf_return_in_memory): Likewise.
2209         (ix86_i386interix_return_in_memory): Likewise.
2210         * config/i386/i386-interix.h (TARGET_RETURN_IN_MEMORY): Removed.
2211         (SUBTARGET_RETURN_IN_MEMORY): New.
2212         * config/i386/i386elf.h: Likewise.
2213         * config/i386/ptx4-i.h: Likewise.
2214         * config/i386/sol2-10.h: Likewise.
2215         * config/i386/sysv4.h: Likewise.
2216         * config/i386/vx-common.h: Likewise.
2217         * config/i386/i386.h (TARGET_RETURN_IN_MEMORY): Removed.
2218         * config/i386/i386.c (ix86_return_in_memory): Made static and
2219         make use of optional SUBTARGET_RETURN_IN_MEMORY macro.
2220         (ix86_i386elf_return_in_memory): Removed.
2221         (ix86_i386interix_return_in_memory): Removed.
2222         (TARGET_RETURN_IN_MEMORY): Declared within i386.c only.
2223         * target-def.h (TARGET_RETURN_IN_MEMORY): Remove protection #ifdef.
2224
2225 2008-05-20  Alexandre Oliva  <aoliva@redhat.com>
2226
2227         * cselib.c (cselib_record_sets): Use correct mode for IF_THEN_ELSE.
2228
2229 2008-05-19  Xinliang David Li  <davidxl@google.com>
2230
2231         * tree-ssa-dce.c: Revert patches of 2008-05-17 and 2008-05-18. 
2232         * opts.c: Ditto.
2233         * common.opt: Ditto.
2234         * doc/invoke.texi: Ditto.
2235
2236 2008-05-19  Eric Botcazou  <ebotcazou@adacore.com>
2237
2238         * tree.c (substitute_in_expr) <tcc_vl_exp>: Fix thinko.
2239         (substitute_placeholder_in_expr) <tcc_vl_exp>: Minor tweak.
2240
2241 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
2242
2243         * config/i386/i386.c (ix86_expand_vector_init_concat): Change
2244         sizes of operand array from 8/4 to 4/2.
2245         (ix86_expand_vector_init_general): Change size of operand array
2246         from 32 to 16.  Remove op0, op1 and half_mode.
2247
2248 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
2249
2250         * config/i386/i386.c (ix86_expand_vector_init_concat): New.
2251         (ix86_expand_vector_init_interleave): Likewise.
2252         (ix86_expand_vector_init_general): Use them.  Assert
2253         word_mode == SImode when n_words == 4.
2254
2255 2008-05-19  Uros Bizjak  <ubizjak@gmail.com>
2256
2257         * config/i386/i386.c (ix86_secondary_reload): New static function.
2258         (TARGET_SECONDARY_RELOAD): New define.
2259         * config/i386/i386.h (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
2260         * config/i386/i386.md (reload_outqi): Remove.
2261
2262 2008-05-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2263
2264         PR middle-end/35509
2265         * builtins.c (mathfn_built_in_1): Renamed from mathfn_built_in.
2266         Add `implicit' parameter.  Handle BUILT_IN_SIGNBIT.
2267         (mathfn_built_in): Rewrite in terms of mathfn_built_in_1.
2268         (fold_builtin_classify): Handle BUILT_IN_ISINF_SIGN.
2269         (fold_builtin_1): Likewise.
2270         * builtins.def (BUILT_IN_ISINF_SIGN): New.
2271         c-common.c (check_builtin_function_arguments): Handle
2272         BUILT_IN_ISINF_SIGN.
2273         * doc/extend.texi: Document __builtin_isinf_sign.
2274         * fold-const.c (operand_equal_p): Handle COND_EXPR.
2275
2276 2008-05-18  Eric Botcazou  <ebotcazou@adacore.com>
2277
2278         * tree-ssa-dom.c (tree_ssa_dominator_optimize): If some blocks need
2279         EH cleanup at the end of the pass, search for those that have been
2280         turned into forwarder blocks and do the cleanup on their successor.
2281
2282 2008-05-18  Richard Guenther  <rguenther@suse.de>
2283
2284         * tree-cfg.c (verify_gimple_expr): Allow conversions from
2285         pointers to sizetype and vice versa.
2286
2287 2008-05-18 Xinliang David Li   <davidxl@google.com>
2288
2289         * gcc/tree-ssa-dce.c: Coding style fix.
2290         (check_pow): Documentation comment. 
2291         (check_log): Documenation comment. Coding style fix.
2292         (is_unnecessary_except_errno_call): Ditto.
2293         (gen_conditions_for_pow): Ditto.
2294         (gen_conditions_for_log): Ditto.
2295         (gen_shrink_wrap_conditions): Ditto.
2296         (shrink_wrap_one_built_in_calls): Ditto.
2297         * gcc/doc/invoke.texi: Better documentation string.
2298         * ChangeLog: Fix wrong change log entries from 
2299         May 17 checkin on function call DCE.
2300
2301 2008-05-17  Kaz Kojima  <kkojima@gcc.gnu.org>
2302
2303         * config/sh/sh.c (sh_output_mi_thunk): Update the use of init_flow.
2304
2305 2008-05-17  Kenneth Zadeck <zadeck@naturalbridge.com>
2306
2307         * doc/rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P): Fixed typos.
2308         * df-problems.c (simulation routines): Fixed block comment to
2309         properly say how to add forwards scanning functions.
2310         
2311 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
2312
2313         * tree-inline.c (setup_one_parameter): Remove dead code.
2314
2315 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
2316
2317         * fold-const.c (fold_unary) <CASE_CONVERT>: Fold the cast into
2318         a BIT_AND_EXPR only for an INTEGER_TYPE.
2319
2320 2008-05-17 Xinliang David Li   <davidxl@google.com>
2321
2322         * gcc/tree-ssa-dce.c (cond_dead_built_in_calls): New static variable.
2323         (check_pow, check_log, is_unnecessary_except_errno_call): New 
2324         functions to check for eliminating math functions that are pure 
2325         except for setting errno.
2326         (gen_conditions_for_pow, gen_conditionas_for_log): New functions to
2327         general condition expressions for shrink-wrapping pow/log calls.
2328         (gen_shrink_wrap_conditions): Ditto.
2329         (shrink_wrap_one_built_in_call): Ditto.
2330         (shrink_wrap_conditional_dead_built_in_calls): Ditto.
2331         (mark_operand_necessary): If debugging, output if OP is necessary.
2332         (eliminate_unnecessary_stmts): Eliminate pow, log calls that are
2333         unnecessary.
2334         * gcc/opts.c (decode_options): set flag_tree_builtin_dce to 1 when
2335         opt level >= 2.
2336         * gcc/common.opt: New user flag -ftree-builtin-dce.
2337         * gcc/doc/invoke.texi (-ftree-builtin-dce): New option.
2338
2339 2008-05-16  David S. Miller  <davem@davemloft.net>
2340
2341         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Undef before overriding.
2342         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
2343
2344 2008-05-16  Uros Bizjak  <ubizjak@gmail.com>
2345
2346         PR target/36246
2347         * config/i386/i386.h (SECONDARY_MEMORY_NEEDED_MODE): New define.
2348
2349 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
2350
2351         * ifcvt.c (dead_or_predicable): Rename
2352         df_simulate_one_insn_backwards to df_simulate_one_insn.
2353         * recog.c (peephole2_optimize): Ditto.
2354         * rtl-factoring.c (collect_pattern_seqs, clear_regs_live_in_seq):
2355         Ditto.
2356         * df.h: Rename df_simulate_one_insn_backwards to
2357         df_simulate_one_insn.  and delete df_simulate_one_insn_forwards.
2358         * df-problems.c (df_simulate_artificial_refs_at_top) Reversed
2359         scanning of defs and uses.
2360         (df_simulate_one_insn_backwards): Renamed to df_simulate_one_insn.
2361         (df_simulate_one_insn_forwards): Removed.
2362
2363 2008-05-16  Doug Kwan  <dougkwan@google.com>
2364
2365         * real.c (real_to_decimal, real_to_hexadecimal): Distinguish
2366         QNaN & SNaN.
2367         (real_from_string): Handle NaNs and Inf as approriate.
2368
2369 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
2370
2371         * doc/gty.texi (Source Files Containing Type Information): Note
2372         that headers should appear first in the gtfiles list.
2373
2374 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
2375
2376         * tree.def (COND_EXEC): Properly documented this code.
2377
2378 2008-05-16  Diego Novillo  <dnovillo@google.com>
2379
2380         * dwarf2asm.c (dw2_assemble_integer): Clarify comment.
2381         * tree-nested.c (get_trampoline_type): Set DECL_CONTEXT for
2382         the new field.
2383
2384 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
2385
2386         * tree-ssa-dse (max_stmt_uid): Removed.
2387         (get_stmt_uid, dse_possible_dead_store_p, dse_optimize_stmt, 
2388         tree_ssa_dse): Encapsulate all uses of stmt_ann->uid.
2389         * tree-ssa-sccvn.c (compare_ops, init_scc_vn): Ditto.
2390         * function.h (cfun.last_stmt_uid): New field.
2391         * tree-flow-inline.h (set_gimple_stmt_uid, gimple_stmt_uid,
2392         gimple_stmt_max_uid, set_gimple_stmt_max_uid, inc_gimple_stmt_max_uid):
2393         New functions.
2394         * tree-dfa.c (renumber_gimple_stmt_uids): New function.
2395         (create_stmt_ann): Initialize the ann->uid field.
2396         * tree-ssa-pre.c (compute_avail): Encapsulate the stmt_ann->uid
2397         with new calls.
2398         * tree-flow.h (renumber_gimple_stmt_uids): New function.
2399
2400 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
2401
2402         * tree-flow.h (init_empty_tree_cfg_for_function): Declare.
2403         * tree-cfg.c (init_empty_tree_cfg_for_function): Define.
2404         (init_empty_tree_cfg): Call it.
2405
2406 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
2407
2408         * cfg.c (init_flow): Add argument THE_FUN.  Use it instead of cfun.
2409         Update all users.
2410
2411 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
2412
2413         * doc/invoke.text (-fdump-tree-*-verbose): New option.
2414         * tree-dump.c (dump_options): New verbose option.
2415         * tree-pretty-print.c (dump_phi_nodes, dump_generic_bb_buff):
2416         Add verbose dump.
2417         * tree-pass.h (TDF_VERBOSE): New dump flag.
2418         * print-tree.c (print_node): Added code to be able to print PHI_NODES.
2419         (tree-flow.h): Added include.
2420         * Makefile.in (print-tree.o):  Added TREE_FLOW_H.
2421
2422 2008-05-16  Bernd Schmidt  <bernd.schmidt@analog.com>
2423
2424         * config/bfin/bfin.c (bfin_discover_loops): Delete empty loops.
2425
2426         From Jie Zhang  <jie.zhang@analog.com>
2427         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
2428         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Remove mcpu=bf532-0.3,
2429         mcpu=bf561-none and mcpu=bf561-0.2.
2430         * config/bfin/t-bfin-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
2431         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
2432         * config/bfin/t-bfin-linux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
2433         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
2434         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add BFIN_CPU_UNKNOWN.
2435         * config/bfin/elf.h (STARTFILE_SPEC): Use specific CRT for BF561.
2436         (LIB_SPEC): Use proper linker script for bf561.  Error if no mcpu
2437         option.
2438         * config/bfin/bfin.c (bfin_cpu_type): Set to BFIN_CPU_UNKNOWN.
2439         (cputype_selected): Remove.
2440         (bfin_handle_option): Don't use cputype_selected.
2441         (override_options): When no mcpu option, enable all workarounds.
2442         Don't use bfin_workarounds.
2443         * config/bfin/bfin.h (DRIVER_SELF_SPECS): Don't set default
2444         processor type.
2445         (DEFAULT_CPU_TYPE): Don't define.
2446
2447 2008-05-16  Richard Guenther  <rguenther@suse.de>
2448
2449         * tree-ssa-propagate.c (substitute_and_fold): Fix stmt walking
2450         on deletion of the last stmt.
2451
2452 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2453
2454         * config/i386/i386.c (ix86_expand_vector_init_general): Optimize
2455         V8HImode for SSE2 and V16QImode for SSE4.1.
2456
2457 2008-05-15  Kenneth Zadeck <zadeck@naturalbridge.com>
2458
2459         * cgraph.h (compute_inline_parameters): Made public.
2460         * tree-pass.h (ipa_opt_pass): Removed function_generate_summary,
2461         variable_generate_summary, function_write_summary,
2462         variable_write_summary, variable_read_summary.  Added generate_summary,
2463         write_summary, read_summary.
2464         * cgraphunit.c (cgraph_process_new_functions): Changed call from
2465         pass_ipa_inline.function_generate_summary, to
2466         compute_inline_parameters. 
2467         * ipa-inline.c (compute_inline_parameters): Made public and added
2468         node parameter.
2469         (compute_inline_parameters_for_current): New function.
2470         (pass_inline_param): Now calls compute_inline_parameters_for_current.
2471         (inline_generate_summary): Removed parameter and made to loop over
2472         all cgraph nodes.
2473         (pass_ipa_inline): Updated for new IPA_PASS structure.
2474         * passes.c (execute_ipa_summary_passes): Now is called once per
2475         pass rather than once per node*pass.
2476         
2477 2008-05-15  Anatoly Sokolov <aesok@post.ru>
2478
2479         * config/avr/avr.c (avr_base_arch_macro, avr_have_movw_lpmx_p, 
2480         avr_have_mul_p, avr_asm_only_p): Remove variables.
2481         (avr_override_options): Remove initialization of removed variables.
2482         (avr_file_start):  Convert removed variables to fields of 
2483         'struct base_arch_s *avr_current_arch'. 
2484         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): (Ditto.).
2485         (AVR_HAVE_MUL): (Ditto.).
2486         (AVR_HAVE_MOVW): (Ditto.).
2487         (AVR_HAVE_LPMX): (Ditto.). 
2488         (avr_base_arch_macro, avr_have_movw_lpmx_p, avr_have_mul_p, 
2489         avr_asm_only_p): Remove declaration.
2490
2491 2008-05-15  Diego Novillo  <dnovillo@google.com>
2492
2493         * config/arm/arm.c (arm_return_in_memory): Fix return type.
2494         * config/arm/arm-protos.h (arm_return_in_memory): Likewise.
2495
2496 2008-05-15  Adam Nemet  <anemet@caviumnetworks.com>
2497
2498         PR middle-end/36194
2499         * combine.c (check_conversion): Rename back to check_promoted_subreg.
2500         Don't call record_truncated_value from here.
2501         (record_truncated_value): Turn it into a for_each_rtx callback.
2502         (record_truncated_values): New function.
2503         (combine_instructions): Call note_uses with record_truncated_values.
2504         Change name of check_conversion to check_promoted_subreg. 
2505
2506 2008-05-15  Janis Johnson  <janis187@us.ibm.com>
2507
2508         * doc/sourcebuild.texi: Document support for torture tests.
2509
2510 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
2511
2512         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Add "m" constraint
2513         to alternative 4 of operand 2.
2514
2515 2008-05-15  Richard Guenther  <rguenther@suse.de>
2516
2517         * tree-pass.h (current_pass): Declare.
2518         (get_pass_for_id): Likewise.
2519         * passes.c (passes_by_id, passes_by_id_size): New globals.
2520         (set_pass_for_id): New function.
2521         (get_pass_for_id): Likewise.
2522         (register_one_dump_file): Use set_pass_for_id to populate passes_by_id.
2523         (execute_function_todo): Flush per function statistics.
2524         * toplev.c (compile_file): Init statistics.
2525         (general_init): Do early statistics initialization.
2526         (finalize): Finish statistics.
2527         * statistics.h (statistics_early_init): Declare.
2528         (statistics_init): Likewise.
2529         (statistics_fini): Likewise.
2530         (statistics_fini_pass): Likewise.
2531         (statistics_counter_event): Likewise.
2532         (statistics_histogram_event): Likewise.
2533         * statistics.c: New file.
2534         * Makefile.in (OBJS-common): Add statistics.o.
2535         (statistics.o): Add dependencies.
2536         * doc/invoke.texi (-fdump-statistics): Document.
2537
2538         * tree-ssa-pre.c (compute_antic): Use statistics_histogram_event.
2539         (insert): Likewise.
2540         (execute_pre): Use statistics_counter_event.
2541         * tree-ssa-propagate.c (struct prop_stats_d): Add num_dce field.
2542         (substitute_and_fold): Increment it.  Use statistics_counter_event.
2543
2544 2008-05-15  Diego Novillo  <dnovillo@google.com>
2545
2546         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00893.html
2547
2548         * treestruct.def (TS_STRUCT_FIELD_TAG): Remove.
2549         * tree-ssa-alias.c (new_type_alias): Remove references to
2550         sub-variables from comment.
2551         * tree-ssa-operands.c (swap_tree_operands): Likewise.
2552
2553 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2554
2555         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Set prefix_extra
2556         attribute to 1 only for insertps alternative.
2557
2558 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
2559
2560         * config/bfin/bfin.md (loadbytes): New pattern.
2561         * config/bfin/bfin.c (enum bfin_builtins): Add BFIN_BUILTIN_LOADBYTES.
2562         (bfin_init_builtins): Initialize it.
2563         (bdesc_1arg): Add it.
2564
2565 2008-05-15  Sa Liu  <saliu@de.ibm.com>
2566
2567         * testsuite/gfortran.dg/c_kind_int128_test1.f03: New.
2568         * testsuite/gfortran.dg/c_kind_int128_test2.f03: New.
2569         * testsuite/lib/target-supports.exp: Add
2570         check_effective_target_fortran_integer_16.
2571
2572 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
2573
2574         * config/bfin/bfin.h (TARGET_RETURN_IN_MEMORY): Don't define here.
2575         * config/bfin/bfin-protos.h (bfin_return_in_memory): Don't declare.
2576         * config/bfin/bfin.c (bfin_return_in_memory): Now static.  Return bool.
2577         (TARGET_RETURN_IN_MEMORY): Define.
2578
2579 2008-05-15  Richard Guenther  <rguenther@suse.de>
2580
2581         PR middle-end/36244
2582         * tree-ssa-alias.c (new_type_alias): Do not set TREE_READONLY.
2583         * tree-flow-inline.h (unmodifiable_var_p): Memory tags never
2584         represent unmodifiable vars.
2585
2586 2008-05-15  Richard Guenther  <rguenther@suse.de>
2587
2588         * tree-dfa.c (refs_may_alias_p): Allow all kinds of
2589         INDIRECT_REF and TARGET_MEM_REF.
2590         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2591         TARGET_MEM_REF.
2592
2593 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
2594             H.J. Lu  <hongjiu.lu@intel.com>
2595
2596         * config/i386/sse.md (*vec_concatv2sf_sse4_1): New insn pattern.
2597         (*vec_concatv2si_sse4_1): Use vector_move_operand predicate
2598         for operand 2.  Remove pinsr{q,d} with 0x0 immediate operand from
2599         insn alternatives.  Add missing alternatives.
2600         (*vec_concatv2di_rex64_sse4_1): Likewise.
2601         (*vec_concatv2si_sse2): Use "x" register constraint instead of "Y2".
2602         (*vec_concatv2di_rex64_sse): Rename from *vec_concatv2di_rex64.
2603         Require TARGET_SSE.
2604
2605 2008-05-15  Richard Guenther  <rguenther@suse.de>
2606
2607         PR tree-optimization/36009
2608         PR tree-optimization/36204
2609         * tree-ssa-loop-im.c (tree-ssa-propagate.h): Include.
2610         (determine_invariantness_stmt): Record the loop a store is
2611         always executed in.
2612         * Makefile.in (tree-ssa-loop-im.o): Add tree-ssa-propagate.h
2613         dependency.
2614
2615 2008-05-15  Richard Guenther  <rguenther@suse.de>
2616
2617         PR tree-optimization/34330
2618         * tree-ssa-alias.c (get_smt_for): Only assert that accesses
2619         through the pointer will alias the SMT.
2620
2621 2008-05-14  Andreas Tobler  <a.tobler@schweiz.org>
2622
2623         * config/sparc/sparc.h (NO_PROFILE_COUNTERS): Define as 0.
2624
2625 2008-05-14  H.J. Lu  <hongjiu.lu@intel.com>
2626
2627         * config/i386/sse.md (*sse4_1_pinsrq): Make it 64bit only.
2628
2629 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
2630             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
2631
2632         * optabs.h (optab_index): Add OTI_vashl, OTI_vlshr, OTI_vashr,
2633         OTI_vrotl, OTI_vrotr to support vector/vector shifts.
2634         (vashl_optab): New optab for vector/vector shifts.
2635         (vashr_optab): Ditto.
2636         (vlshr_optab): Ditto.
2637         (vrotl_optab): Ditto.
2638         (vrotr_optab): Ditto.
2639         (optab_subtype): New enum for optab_for_tree_code call.
2640         (optab_for_tree_code): Add enum optab_subtype argument.
2641
2642         * optabs.c (optab_for_tree_code): Take an additional argument to
2643         distinguish between a vector shift by a scalar and vector shift by
2644         a vector.  Make lshr/ashr/ashl/rotl/rotr optabs just vector
2645         shifted by a scalar.  Use vlshr/vashr/vashl/vrotl/vrotr for the
2646         vector shift by a vector.
2647         (expand_widen_pattern_expr): Pass additional argument to
2648         optab_for_tree_code.
2649
2650         * genopinit.c (optabs): Add vashr_optab, vashl_optab, vlshr_optab,
2651         vrotl_optab, vrotr_optab.
2652
2653         * expr.c (expand_expr_real_1): Update calls to
2654         optab_for_tree_code to distinguish between vector shifted by a
2655         scalar and vector shifted by a vector.
2656         * tree-vectorizer.c (supportable_widening_operation): Ditto.
2657         (supportable_narrowing_operation): Ditto.
2658         * tree-vect-analyze.c (vect_build_slp_tree): Ditto.
2659         * tree-vect-patterns.c (vect_pattern_recog_1): Ditto.
2660         * tree-vect-transform.c (vect_model_reduction_cost): Ditto.
2661         (vect_create_epilog_for_reduction): Ditto.
2662         (vectorizable_reduction): Ditto.
2663         (vectorizable_operation): Ditto.
2664         (vect_strided_store_supported): Ditto.
2665         (vect_strided_load_supported): Ditto.
2666         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
2667         * expmed.c (expand_shift): Ditto.
2668
2669         * doc/md.texi (ashl@var{m}3): Document that operand 2 is always a
2670         scalar type.
2671         (ashr@var{m}3): Ditto.
2672         (vashl@var{m}3): Document new vector/vector shift standard name.
2673         (vashr@var{m}3): Ditto.
2674         (vlshr@var{m}3): Ditto.
2675         (vrotl@var{m}3): Ditto.
2676         (vrotr@var{m}3): Ditto.
2677
2678         * config/i386/i386.md (PPERM_SRC): Move PPERM masks here from i386.c.
2679         (PPERM_INVERT): Ditto.
2680         (PPERM_REVERSE): Ditto.
2681         (PPERM_REV_INV): Ditto.
2682         (PPERM_ZERO): Ditto.
2683         (PPERM_ONES): Ditto.
2684         (PPERM_SIGN): Ditto.
2685         (PPERM_INV_SIGN): Ditto.
2686         (PPERM_SRC1): Ditto.
2687         (PPERM_SRC2): Ditto.
2688
2689         * config/i386/sse.md (mulv2di3): Add SSE5 support.
2690         (sse5_pmacsdql_mem): New SSE5 define_and_split that temporarily
2691         allows a memory operand to be the value being added, and split it
2692         to improve vectorization.
2693         (sse5_pmacsdqh_mem): Ditto.
2694         (sse5_mulv2div2di3_low): SSE5 32-bit multiply and extend function.
2695         (sse5_mulv2div2di3_high): Ditto.
2696         (vec_pack_trunc_v8hi): Add SSE5 pperm support.
2697         (vec_pack_trunc_v4si): Ditto.
2698         (vec_pack_trunc_v2di): Ditto.
2699         (sse5_pcmov_<mode>): Remove code that tried to use use
2700         andps/andnps instead of pcmov.
2701         (vec_widen_smult_hi_v4si): If we have SSE5, use the pmacsdql and
2702         pmacsdqh instructions.
2703         (vec_widen_smult_lo_v4si): Ditto.
2704
2705         * config/i386/i386.c (PPERM_SRC): Move PPERM masks to i386.md.
2706         (PPERM_INVERT): Ditto.
2707         (PPERM_REVERSE): Ditto.
2708         (PPERM_REV_INV): Ditto.
2709         (PPERM_ZERO): Ditto.
2710         (PPERM_ONES): Ditto.
2711         (PPERM_SIGN): Ditto.
2712         (PPERM_INV_SIGN): Ditto.
2713         (PPERM_SRC1): Ditto.
2714         (PPERM_SRC2): Ditto.
2715         (ix86_expand_sse_movcc): Move the SSE5 test after the if
2716         true/false tests.
2717         (ix86_expand_int_vcond): If SSE5 generate all possible integer
2718         comparisons.
2719         (ix86_sse5_valid_op_p): Allow num_memory to be negative, which
2720         says ignore whether the last reference is a memory operand.
2721
2722 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
2723             Paolo Bonzini <bonzini at gnu dot org>
2724
2725         * config/rs6000/rs6000.c (bdesc_2arg): Change the names of vector
2726         shift patterns.
2727
2728         * config/rs6000/altivec.md (vashl<mode>3): Rename from ashl<mode>3.
2729         (vlshr<mode>3): Rename from vlshr<mode>3.
2730         (vashr<mode>3): Rename from vashr<mode>3.
2731         (mulv4sf3): Change the names of vector shift patterns.
2732         (mulv4si3): Ditto.
2733         (negv4sf2): Ditt.
2734
2735         * config/spu/spu.c (spu_initialize_trampoline): Rename vector
2736         shift insns.
2737
2738         * config/spu/spu-builtins.def (SI_SHLH): Rename vector shift insns.
2739         (SI_SHLHI): Ditto.
2740         (SI_SHL): Ditto.
2741         (SI_SHLI): Ditto.
2742         (SI_ROTH): Ditto.
2743         (SI_ROTHI): Ditto.
2744         (SI_ROT): Ditto.
2745         (SI_ROTI): Ditto.
2746         (SPU_RL_0): Ditto.
2747         (SPU_RL_1): Ditto.
2748         (SPU_RL_2): Ditto.
2749         (SPU_RL_3): Ditto.
2750         (SPU_RL_4): Ditto.
2751         (SPU_RL_5): Ditto.
2752         (SPU_RL_6): Ditto.
2753         (SPU_RL_7): Ditto.
2754         (SPU_SL_0): Ditto.
2755         (SPU_SL_1): Ditto.
2756         (SPU_SL_2): Ditto.
2757         (SPU_SL_3): Ditto.
2758         (SPU_SL_4): Ditto.
2759         (SPU_SL_5): Ditto.
2760         (SPU_SL_6): Ditto.
2761         (SPU_SL_7): Ditto.
2762
2763         * config/spu/spu.md (v): New iterator macro to add v for vector types.
2764         (floatunssidf2_internal): Change vector/vector shift names.
2765         (floatunsdidf2_internal): Ditto.
2766         (mulv8hi3): Ditto.
2767         (ashrdi3): Ditto.
2768         (ashrti3): Ditto.
2769         (cgt_df): Ditto.
2770         (cgt_v2df): Ditto.
2771         (dftsv): Ditto.
2772         (vashl<mode>3): Rename from ashl<mode>3.
2773         (vashr<mode>3): Rename from ashr<mode>3.
2774         (vlshr<mode>3): Rename from lshr<mode>3.
2775         (vrotl<mode>3): Rename from rotl<mode>3.
2776
2777 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
2778
2779         PR target/36224
2780         * config/i386/sse.md (vec_widen_smult_hi_v4si): Delete, using unsigned
2781         multiply gives the wrong value when doing widening multiplies.
2782         (vec_widen_smult_lo_v4si): Ditto.
2783
2784 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
2785
2786         * optabs.c (prepare_cmp_insn): Changed LCT_PURE_MAKE_BLOCK to
2787         LCT_PURE and LCT_CONST_MAKE_BLOCK to LCT_CONST in calls to
2788         emit_library_call_value. 
2789         * builtins.c (expand_builtin_powi, expand_builtin_memcmp): Ditto.
2790         * tree.h (ECF_LIBCALL_BLOCK): Removed.
2791         * calls.c (initialize_argument_information, precompute_arguments, 
2792         expand_call, emit_library_call_value_1): Remove ECF_LIBCALL_BLOCK.
2793         (precompute_arguments): Removed flags parameter.
2794         * rtl.h (LCT_CONST_MAKE_BLOCK, LCT_PURE_MAKE_BLOCK): Removed.
2795         
2796 2008-05-14  Richard Guenther  <rguenther@suse.de>
2797
2798         * tree-ssa-dse.c (dse_possible_dead_store_p): Remove dead code.
2799         Make sure to register the store if the use is a PHI_NODE.
2800
2801 2008-05-14  Olivier Hainque  <hainque@adacore.com>
2802
2803         * expr.c (expand_expr_real_1) <normal_inner_ref>: Force op0 to
2804         memory if the component is to be referenced in BLKmode according
2805         to get_inner_reference.
2806
2807 2008-05-14  Adam Nemet  <anemet@caviumnetworks.com>
2808
2809         * calls.c (emit_library_call_value_1): Restore code clearing
2810         ECF_LIBCALL_BLOCK to ensure that we only call end_sequence once.
2811
2812 2008-05-14  Olivier Hainque  <hainque@adacore.com>
2813             Nicolas Roche  <roche@adacore.com>
2814
2815         * configure.ac: Add support for a "gcc_subdir" variable in
2816         config-lang.in, to denote a subdirectory where the language/GCC
2817         integration files are to be found.
2818         * configure: Regenerate.
2819
2820 2008-05-14  Ira Rosen  <irar@il.ibm.com>
2821
2822         PR tree-optimization/36098
2823         * tree-vect-analyze.c (vect_analyze_group_access): Set the gap
2824         value for the first load in the group in case of a gap.
2825         (vect_build_slp_tree): Check that there are no gaps in loads.
2826
2827 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
2828
2829         * doc/rtl.texi: Removed reference to REG_NO_CONFLICT notes.
2830         * optabs.c (expand_binop, expand_absneg_bit, expand_unop,
2831         expand_copysign_bit, ): Change call to emit_no_conflict_block to
2832         emit_insn and remove unneeded code to construct extra args.
2833         (emit_no_conflict_block): Removed.
2834         * optabls.h: (emit_no_conflict_block): Removed.
2835         * cse.c (cse_extended_basic_block): Remove search for
2836         REG_NO_CONFLICT note.
2837         * global.c: Removed incorrect comment added in revision 117.
2838         * expr.c (convert_move): Change call to emit_no_conflict_block to
2839         emit_insn.
2840         * recog.c: Change comments so that they do not mention
2841         REG_NO_CONFLICT.
2842         * local_alloc.c (combine_regs): Removed last parameter.
2843         (no_conflict_p): Removed.
2844         (block_alloc): Removed note, no_conflict_combined_regno and set
2845         local vars. Removed all code to process REG_NO_CONFLICT blocks.
2846         (combine_regs): Removed already_dead and code to look for
2847         REG_NO_CONFLICT notes.
2848         * lower_subreg (remove_retval_note): Removed code to look for
2849         REG_NO_CONFLICT block.
2850         (resolve_reg_notes): Removed REG_NO_CONFLICT case.
2851         (resolve_clobber): Remove code to process libcalls that have
2852         REG_NO_CONFLICT notes.
2853         * loop_invariant.c (find_invariant_insn): Removed REG_NO_CONFLICT
2854         case.
2855         * combine.c (can_combine_p, distribute_notes):  Removed
2856         REG_NO_CONFLICT case.
2857         * config/cris/cris.md (movdi pattern): Changed emit_no_conflict_block
2858         to emit_insns.
2859         * config/mn10300/mn10300.md (absdf2, negdf2 patterns): Ditto.
2860         * config/m68k/m68k.md (negdf2, negxf2, absdf2, absxf2 patterns):
2861         Ditto.
2862         * reg-notes.def (NO_CONFLICT): Removed.
2863
2864 2008-05-14  David S. Miller  <davem@davemloft.net>
2865
2866         * config/sparc/sparc.c (sparc_profile_hook): If
2867         NO_PROFILE_COUNTERS, don't generate and pass a label into mcount.
2868         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Define as 1.
2869         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
2870
2871 2008-05-14  Andreas Krebbel  <krebbel1@de.ibm.com>
2872
2873         * cse.c (cse_cc_succs): Invoke delete_insn_and_edges.
2874
2875 2008-05-13  Uros Bizjak  <ubizjak@gmail.com>
2876
2877         PR target/36222
2878         * config/i386/i386.c (ix86_expand_vector_init_general): Rearrange op0
2879         and op1 expansion before vector concat to have less live pseudos.
2880
2881 2008-05-13  H.J. Lu  <hongjiu.lu@intel.com>
2882
2883         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
2884         ix86_expand_vector_set if supported.
2885
2886 2008-05-13  Diego Novillo  <dnovillo@google.com>
2887             Kenneth Zadeck  <zadeck@naturalbridge.com>
2888
2889         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00748.html
2890
2891         * tree.h (init_phinodes, fini_phinodes, release_phi_node,
2892         phinodes_print_statistics, init_ssanames, fini_ssanames,
2893         make_ssa_name, duplicate_ssa_name, duplicate_ssa_name_ptr_info,
2894         release_ssa_name, release_defs, replace_ssa_name_symbol,
2895         ssanames_print_statistics): Move ...
2896         * tree-flow.h: ... here.
2897         * tree-ssanames.c (init_ssanames): Add arguments FN and SIZE.
2898         Use FN instead of cfun.
2899         (make_ssa_name_fn): Rename from make_ssa_name.
2900         (pass_release_ssa_names): Add TODO_dump_func to finish flags.
2901         * tree-flow-inline.h (make_ssa_name): Move from
2902         tree-ssanames.c.  Convert to static inline.  Call make_ssa_name_fn.
2903         * omp-low.c (expand_omp_parallel):
2904         * tree-flow-inline.h (redirect_edge_var_map_result):
2905         * tree-ssa.c (init_tree_ssa): Add argument FN.
2906         Use it instead of cfun.  Update all users.
2907
2908 2008-05-13  Tom Tromey  <tromey@redhat.com>
2909
2910         PR preprocessor/22168:
2911         * doc/cpp.texi (Top): Update menu.
2912         (Alternatives to Wrapper #ifndef): New node.
2913         (Other Directives): Document deprecation.
2914         (Obsolete Features): Remove menu.
2915         (Assertions): Merge node into Obsolete Features.
2916         (Obsolete once-only headers): Move earlier; rename to Alternatives
2917         to Wrapper #ifndef.
2918         * doc/cppopts.texi: Update.
2919         * c.opt (Wdeprecated): Enable for C and ObjC.
2920         * doc/invoke.texi (Option Summary): Move -Wno-deprecated.
2921         (C++ Dialect Options): Move -Wno-deprecated from here to...
2922         (Warning Options): ... here.
2923
2924 2008-05-13  Richard Guenther  <rguenther@suse.de>
2925
2926         PR middle-end/36227
2927         * fold-const.c (fold_sign_changed_comparison): Do not allow
2928         changes in pointer-ness.
2929
2930 2008-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
2931
2932         PR target/24713
2933         * config/sh/sh.c (sh_expand_prologue): Don't clear
2934         RTX_FRAME_RELATED_P for push insns.
2935
2936 2008-05-12  Andy Hutchinson  <hutchinsonandy@aim.com>
2937
2938         * config/avr/avr.h (MAX_OFILE_ALIGNMENT): Define.
2939
2940 2008-05-12  Anatoly Sokolov <aesok@post.ru>
2941
2942         * config/avr/avr.h (machine_function): Add 'is_leaf' field.
2943         * config/avr/avr.c (avr_regs_to_save): Compute 'machine->is_leaf'.
2944         Use 'machine->is_leaf' instead of 'leaf_func_p'.
2945
2946 2008-05-12  H.J. Lu  <hongjiu.lu@intel.com>
2947
2948         * config/i386/sse.md (*sse_concatv4sf): Renamed to ...
2949         (*vec_concatv4sf_sse): This.
2950         (*sse2_concatv2si): Renamed to ...
2951         (*vec_concatv2si_sse2): This.
2952         (*sse1_concatv2si): Renamed to ...
2953         (*vec_concatv2si_sse): This.
2954         (*vec_concatv2di_rex): Renamed to ...
2955         (*vec_concatv2di_rex64): This.
2956         (*vec_concatv2si_sse4_1): New.
2957         (*vec_concatv2di_rex64_sse4_1): Likewise.
2958
2959 2008-05-12  Uros Bizjak  <ubizjak@gmail.com>
2960
2961         PR rtl-optimization/36111
2962         * recog.c (validate_replace_rtx_1): Unshare new RTL expression
2963         that was created for swappable operands.
2964
2965 2008-05-12  Samuel Tardieu  <sam@rfc1149.net>
2966
2967         PR ada/36001
2968         * Makefile.in: Substitute GNATMAKE and GNATBIND.
2969         * configure.ac: Add call to ACX_PROG_GNAT.
2970
2971 2008-05-11  Volker Reichelt  <v.reichelt@netcologne.de>
2972
2973         * optc-gen.awk: Fix comment typo.
2974
2975 2008-05-11  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
2976
2977         * pretty-print.c (pp_integer_with_precision): Use
2978         HOST_LONG_LONG_FORMAT.
2979
2980 2008-05-10  Kenneth Zadeck  <zadeck@naturalbridge.com>
2981
2982         * gcse.c (store_killed_in_insn): Negated call to RTL_CONST_CALL_P.
2983                 
2984 2008-05-10  H.J. Lu  <hongjiu.lu@intel.com>
2985
2986         * config/i386/i386.c (bdesc_ptest): Removed.
2987         (ix86_builtin_type): Add INT_FTYPE_V2DI_V2DI_PTEST.
2988         (bdesc_args): Add __builtin_ia32_ptestz128,
2989         __builtin_ia32_ptestc128 and __builtin_ia32_ptestnzc128.
2990         (ix86_init_mmx_sse_builtins): Updated.
2991         (ix86_expand_args_builtin): Handle INT_FTYPE_V2DI_V2DI_PTEST.
2992         (ix86_expand_builtin): Updated.
2993
2994 2008-05-10  Richard Sandiford  <rdsandiford@googlemail.com>
2995
2996         * tree-cfg.c (valid_fixed_convert_types_p): New function.
2997         (verify_gimple_expr): Handle FIXED_CONVERT_EXPR.
2998
2999 2008-05-10  Uros Bizjak  <ubizjak@gmail.com>
3000
3001         * value-prof.c (interesting_stringop_to_profile): Do not
3002         return early for BUILT_IN_MEMPCPY.
3003
3004 2008-05-09  H.J. Lu  <hongjiu.lu@intel.com>
3005
3006         * calls.c (expand_call): Don't use callgraph to increase
3007         preferred_stack_boundary.
3008
3009         * cgraph.h (cgraph_rtl_info): Use unsigned on
3010         preferred_incoming_stack_boundary.
3011
3012         * final.c (rest_of_clean_state): Use unsigned on
3013         preferred_stack_boundary.
3014
3015 2008-05-09  Tom Tromey  <tromey@redhat.com>
3016
3017         PR preprocessor/22231:
3018         * c-opts.c (sanitize_cpp_opts): Disallow -MG if compilation is
3019         proceeding.
3020
3021 2008-05-09  Uros Bizjak  <ubizjak@gmail.com>
3022
3023         PR tree-optimization/36129
3024         * tree-ssa-ccp.c: Include value-prof.h.
3025         (execute_fold_all_builtins): Call gimple_remove_stmt_histograms if
3026         built-in function was folded to a constant.
3027         * Makefile.in (tree-ssa-ccp.c): Depend on value-prof.h
3028
3029 2008-05-09  Jan Sjodin  <jan.sjodin@amd.com>
3030             Sebastian Pop  <sebastian.pop@amd.com>
3031
3032         * tree-scalar-evolution.c: Document instantiate_scev.
3033         (instantiate_parameters_1): Renamed instantiate_scev_1.
3034         Don't use the same loop for instantiation_loop and evolution_loop.
3035         (instantiate_scev): New.
3036         (instantiate_parameters): Moved...
3037         (resolve_mixers): Update call to instantiate_scev_1 to pass the
3038         same loop twice.  Maintains the semantics for this function.
3039         * tree-scalar-evolution.h (instantiate_scev): Declare.
3040         (instantiate_parameters): ...here.  Now static inline.
3041         * tree-data-ref.c (dr_analyze_indices): Call instantiate_scev
3042         instead of resolve_mixers.
3043
3044 2008-05-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
3045
3046         * rtl-factoring.c (collect_pattern_seqs): Fix typo.
3047
3048 2008-05-09  Tomas Bily  <tbily@suse.cz>
3049
3050         * config/pa/pa.c (reloc_needed): Use CASE_CONVERT.
3051         * tree-cfg.c (verify_expr, verify_gimple_expr): Likewise.
3052         * tree-ssa-structalias.c (get_constraint_for): Likewise.
3053         * c-common.c (c_common_truthvalue_conversion): Likewise.
3054         * tree-object-size.c (compute_object_offset): Likewise.
3055         * tree-inline.c (estimate_num_insns_1): Likewise.
3056         * varasm.c (const_hash_1, compare_constant, copy_constant)
3057         (compute_reloc_for_constant, output_addressed_constants)
3058         (initializer_constant_valid_p): Likewise.
3059         * c-omp.c (check_omp_for_incr_expr): Likewise.
3060         * gimplify.c (gimplify_expr): Likewise.
3061         * c-typeck.c (c_finish_return): Likewise.
3062         * tree-vectorizer.c (supportable_widening_operation)
3063         (supportable_narrowing_operation): Likewise.
3064         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Likewise.
3065         * matrix-reorg.c (can_calculate_expr_before_stmt): Likewise.
3066         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
3067         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info)
3068         (descr_info_loc): Likewise.
3069         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
3070         * fold-const.c (operand_equal_p, make_range, extract_muldiv_1)
3071         (fold_unary): Likewise.
3072         * builtins.c (get_pointer_alignment): Likewise.
3073         * tree-scalar-evolution.c (interpret_rhs_modify_stmt)
3074         (instantiate_parameters_1): Likewise.
3075         * tree.c (expr_align, stabilize_reference): Likewise.
3076         * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
3077         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
3078         * convert.c (strip_float_extensions): Use CONVERT_EXPR_P.
3079         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
3080         * config/alpha/alpha.c (va_list_skip_additions): Likewise.
3081         * c-common.c (c_alignof_expr, check_function_arguments_recurse):
3082         Likewise.
3083         * tree-ssa.c (tree_ssa_useless_type_conversion): Likewise.
3084         * varasm.c (initializer_constant_valid_p, output_constant): Likewise.
3085         * tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from)
3086         (forward_propagate_addr_expr_1, forward_propagate_addr_expr)
3087         (forward_propagate_comparison)
3088         (tree_ssa_forward_propagate_single_use_vars): Likewise.
3089         * cfgexpand.c (discover_nonconstant_array_refs_r): Likewise.
3090         * emit-rtl.c (component_ref_for_mem_expr)
3091         (set_mem_attributes_minus_bitpos): Likewise.
3092         * tree-ssa-phiopt.c (conditional_replacement): Likewise.
3093         * gimplify.c (gimplify_conversion, goa_lhs_expr_p, gimplify_expr):
3094         Likewise.
3095         * c-typeck.c (default_function_array_conversion, build_indirect_ref)
3096         (build_function_call, pointer_diff, build_compound_expr)
3097         (c_finish_return): Likewise.
3098         * tree-vect-analyze.c (vect_determine_vectorization_factor): Likewise.
3099         * matrix-reorg.c (get_inner_of_cast_expr, may_flatten_matrices_1):
3100         Likewise.
3101         * tree-ssa-ifcombine.c (recognize_single_bit_test): Likewise.
3102         * expr.c (is_aligning_offset): Likewise.
3103         * tree-ssa-alias.c (is_escape_site): Likewise.
3104         * tree-stdarg.c (va_list_counter_bump, check_va_list_escapes)
3105         (check_all_va_list_escapes): Likewise.
3106         * tree-ssa-loop-ivopts.c (determine_base_object)
3107         (determine_common_wider_type): Likewise.
3108         * dojump.c (do_jump): Likewise.
3109         * tree-ssa-sccvn.c (simplify_unary_expression): Likewise.
3110         * tree-gimple.c (is_gimple_cast): Likewise.
3111         * fold-const.c (decode_field_reference, )
3112         (fold_sign_changed_comparison, fold_unary, fold_comparison)
3113         (fold_binary): Likewise.
3114         * tree-ssa-alias-warnings.c (find_alias_site_helper)
3115         (already_warned_in_frontend_p): Likewise.
3116         * builtins.c (get_memory_rtx, fold_builtin_next_arg): Likewise.
3117         * tree.c (really_constant_p, get_unwidened): Likewise.
3118         * tree-ssa-loop-niter.c (expand_simple_operations): Likewise.
3119         * tree-ssa-loop-im.c (rewrite_bittest): Likewise.
3120         * tree-vrp.c (register_edge_assert_for_2, register_edge_assert_for_1):
3121         Likewise.
3122         * tree.h (STRIP_NOPS, STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Use
3123         CONVERT_EXPR_P.
3124         (CONVERT_EXPR_P): Define.
3125         (CASE_CONVERT): Define.
3126         
3127 2008-05-08  Kenneth Zadeck  <zadeck@naturalbridge.com>
3128
3129         PR middle-end/36117
3130         * dce.c (deletable_insn_p): Do not delete calls if df_in_progress.
3131         (delete_unmarked_insns): When deleting a call, call
3132         delete_unreachable_blocks.
3133         * rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
3134         RTL_CONST_OR_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P): Fixed doc.
3135
3136 2008-05-08  Richard Guenther  <rguenther@suse.de>
3137
3138         * doc/invoke.texi (-fdump-tree-salias): Remove documentation.
3139         (-ftree-salias): Likewise.
3140         (salias-max-implicit-fields): Remove param documentation.
3141         (salias-max-array-elements): Likewise.
3142         * tree-pass.h (pass_create_structure_vars): Remove.
3143         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): Remove.
3144         (SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
3145         * tree-ssa-alias.c (create_structure_vars): Remove.
3146         (gate_structure_vars): Likewise.
3147         (pass_create_structure_vars): Likewise.
3148         (gate_build_alias): Likewise.
3149         (pass_build_alias): Adjust to run always and dump the function.
3150         * common.opt (ftree-salias): Hide.
3151         * passes.c (init_optimization_passes): Remove
3152         pass_create_structure_vars, adjust comment.
3153         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): Remove.
3154         (PARAM_SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
3155         * opts.c (decode_options): Do not set flag_tree_salias.
3156         (common_handle_option): Add OPT_ftree_salias to the backward
3157         compatibility section.
3158
3159 2008-05-08  Richard Guenther  <rguenther@suse.de>
3160
3161         * tree-flow-inline.h (var_can_have_subvars): Move ...
3162         * tree-ssa-structalias.c (var_can_have_subvars): ... here.
3163         * tree-flow.h (var_can_have_subvars): Remove.
3164         (push_fields_onto_fieldstack): Remove.
3165         (sort_fieldstack): Likewise.
3166         (struct fieldoff): Move ...
3167         * tree-ssa-structalias.c (struct fieldoff): ... here.  Remove
3168         alias_set and base_for_components fields.
3169         (sort_fieldstack): Make static.
3170         (push_fields_onto_fieldstack): Likewise.  Remove code that
3171         handles anything but RECORD_TYPEs.  Remove alias_set and
3172         base_for_components handling.
3173         (create_variable_info_for): Adjust.
3174
3175 2008-05-08  Seongbae Park  <seongbae.park@gmail.com>
3176
3177         * common.opt (Wframe-larger-than=): Shorten the help message
3178         to one line.
3179         * doc/invoke.texi (Wframe-larger-than=): Add more description.
3180
3181 2008-05-08  Rafael Espindola  <espindola@google.com>
3182
3183         * tree-complex.c (expand_complex_div_wide): Don't create CONDs that
3184         trap.
3185         * tree-gimple.c (is_gimple_condexpr): Check that the expression doesn't
3186         trap and that both operands are gimple values.
3187         (canonicalize_cond_expr_cond): Use is_gimple_condexpr.
3188         * gcc/tree-eh.c (tree_could_trap_p): Correctly detect if a comparison
3189         is a fp operation.
3190
3191 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
3192
3193         * read-rtl.c (join_c_conditions): Return the first string if the
3194         two strings are equal.
3195
3196 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
3197
3198         * gensupport.h (pred_data): Add a "num_codes" field.
3199         (add_predicate_code): Declare.
3200         * gensupport.c (add_predicate_code): New function.
3201         (std_pred_table): Add an "allows_const_p" field.
3202         (std_preds): Set this field for predicates that allow RTX_CONST_OBJs.
3203         Remove the (incomplete) list of such codes from the codes field.
3204         (init_predicate_table): Use add_predicate_code.  Add all
3205         RTX_CONST_OBJs if allows_const_p is true.
3206         * genrecog.c (process_define_predicate): Use add_predicate_code.
3207
3208 2008-05-08  David Daney  <ddaney@avtrex.com>
3209             Richard Sandiford  <rsandifo@nildram.co.uk>
3210         
3211         * config/mips/mips.md (mips_expand_compare_and_swap_12): Handle
3212         special case of constant zero operands.
3213         * config/mips/mips.c (mips_expand_compare_and_swap_12): Zero extend
3214         old and new values.  Special case constant zero values.
3215         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP): Skip 'sync' if compare
3216         fails.
3217         (MIPS_COMPARE_AND_SWAP_12): Handle constant zero operands.
3218         (MIPS_COMPARE_AND_SWAP_12_0): New macro.
3219
3220 2008-05-08  Paolo Bonzini  <bonzini@gnu.org>
3221
3222         PR target/36090
3223         * simplify-rtx.c (simplify_plus_minus): Create CONST of
3224         similar RTX_CONST_OBJ before CONST_INT.
3225
3226 2008-05-08  Steve Ellcey  <sje@cup.hp.com>
3227
3228         * stmt.c (expand_stack_restore): Change sa mode if needed.
3229
3230 2008-05-08  Richard Guenther  <rguenther@suse.de>
3231
3232         * config/i386/i386-protos.h (ix86_return_in_memory): Adjust
3233         return type to bool.
3234         (ix86_sol10_return_in_memory): Likewise.
3235         (ix86_i386elf_return_in_memory): Likewise.
3236         (ix86_i386interix_return_in_memory): Likewise.
3237         * config/i386/i386.c (ix86_return_in_memory): Likewise.
3238         (ix86_sol10_return_in_memory): Likewise.
3239         (ix86_i386elf_return_in_memory): Likewise.
3240         (ix86_i386interix_return_in_memory): Likewise.
3241
3242 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
3243
3244         PR bootstrap/36180
3245         * calls.c (compute_argument_block_size ): Add ATTRIBUTE_UNUSED to
3246         fndecl argument.
3247         (emit_library_call_value_1): Add ATTRIBUTE_UNUSED to variable fndecl.
3248         * target-def.h: Check that TARGET_RETURN_IN_MEMORY isn't
3249         declared in front.
3250
3251 2008-05-08  Richard Guenther  <rguenther@suse.de>
3252
3253         * tree-data-ref.c (dr_analyze_alias): Do not set DR_SUBVARS.
3254         * tree-data-ref.h (struct dr_alias): Remove subvars field.
3255         (DR_SUBVARS): Remove.
3256         * tree-dfa.c (dump_subvars_for): Remove.
3257         (debug_subvars_for): Likewise.
3258         (dump_variable): Do not dump subvars.
3259         (remove_referenced_var): Do not remove subvars.
3260         * tree-flow-inline.h (clear_call_clobbered): SFTs no longer exist.
3261         (lookup_subvars_for_var): Remove.
3262         (get_subvars_for_var): Likewise.
3263         (get_subvars_at): Likewise.
3264         (get_first_overlapping_subvar): Likewise.
3265         (overlap_subvar): Likewise.
3266         * tree-flow.h (subvar_t): Remove.
3267         (struct var_ann_d): Remove subvars field.
3268         * tree-ssa-alias.c (mark_aliases_call_clobbered): Remove queued
3269         argument.  Remove special handling of SFTs.
3270         (compute_tag_properties): Likewise.
3271         (set_initial_properties): Likewise.
3272         (compute_call_clobbered): Likewise.
3273         (count_mem_refs): Likewise.
3274         (compute_memory_partitions): Likewise.
3275         (compute_flow_insensitive_aliasing): Likewise.
3276         (setup_pointers_and_addressables): Likewise.
3277         (new_type_alias): Likewise.
3278         (struct used_part): Remove.
3279         (used_portions): Likewise.
3280         (struct used_part_map): Likewise.
3281         (used_part_map_eq): Likewise.
3282         (used_part_map_hash): Likewise.
3283         (free_used_part_map): Likewise.
3284         (up_lookup): Likewise.
3285         (up_insert): Likewise.
3286         (get_or_create_used_part_for): Likewise.
3287         (create_sft): Likewise.
3288         (create_overlap_variables_for): Likewise.
3289         (find_used_portions): Likewise.
3290         (create_structure_vars): Likewise.
3291         * tree.def (STRUCT_FIELD_TAG): Remove.
3292         * tree.h (MTAG_P): Adjust.
3293         (struct tree_memory_tag): Remove base_for_components and
3294         unpartitionable flags.
3295         (struct tree_struct_field_tag): Remove.
3296         (SFT_PARENT_VAR): Likewise.
3297         (SFT_OFFSET): Likewise.
3298         (SFT_SIZE): Likewise.
3299         (SFT_NONADDRESSABLE_P): Likewise.
3300         (SFT_ALIAS_SET): Likewise.
3301         (SFT_UNPARTITIONABLE_P): Likewise.
3302         (SFT_BASE_FOR_COMPONENTS_P): Likewise.
3303         (union tree_node): Remove sft field.
3304         * alias.c (get_alias_set): Remove special handling of SFTs.
3305         * print-tree.c (print_node): Remove handling of SFTs.
3306         * tree-dump.c (dequeue_and_dump): Likewise.
3307         * tree-into-ssa.c (mark_sym_for_renaming): Likewise.
3308         * tree-nrv.c (dest_safe_for_nrv_p): Remove special handling of SFTs.
3309         * tree-predcom.c (set_alias_info): Do not set subvars.
3310         * tree-pretty-print.c (dump_generic_node): Do not handle SFTs.
3311         * tree-ssa-loop-ivopts.c (get_ref_tag): Likewise.
3312         * tree-ssa-operands.c (access_can_touch_variable): Likewise.
3313         (add_vars_for_offset): Remove.
3314         (add_virtual_operand): Remove special handling of SFTs.
3315         (add_call_clobber_ops): Likewise.
3316         (add_call_read_ops): Likewise.
3317         (get_asm_expr_operands): Likewise.
3318         (get_modify_stmt_operands): Likewise.
3319         (get_expr_operands): Likewise.
3320         (add_to_addressable_set): Likewise.
3321         * tree-ssa.c (verify_ssa_name): Do not handle SFTs.
3322         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
3323         * tree-vect-transform.c (vect_create_data_ref_ptr): Do not set subvars.
3324         * tree.c (init_ttree): Remove STRUCT_FIELD_TAG initialization.
3325         (tree_code_size): Remove STRUCT_FIELD_TAG handling.
3326         (tree_node_structure): Likewise.
3327         * tree-ssa-structalias.c (set_uids_in_ptset): Remove special
3328         handling of SFTs.
3329         (find_what_p_points_to): Likewise.
3330
3331 2008-05-08  Sa Liu  <saliu@de.ibm.com>
3332
3333         * config/spu/spu.md: Fixed subti3 pattern.
3334
3335 2008-05-08  Richard Guenther  <rguenther@suse.de>
3336
3337         PR middle-end/36154
3338         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
3339         sure to create a representative for trailing arrays for PTA.
3340
3341 2008-05-08  Richard Guenther  <rguenther@suse.de>
3342
3343         PR middle-end/36172
3344         * fold-const.c (operand_equal_p): Two objects which types
3345         differ in pointerness are not equal.
3346
3347 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
3348
3349         * calls.c (compute_argument_block_size): Add argument tree fndecl.
3350         (OUTGOING_REG_PARM_STACK_SPACE): Add function type argument.
3351         (emit_library_call_value_1): Add new variable fndecl initialized by
3352         NULL_TREE. It should be the decl type of orgfun, but this information
3353         seems not to be available here, so it uses the default calling abi.
3354         * config/arm/arm.c (arm_return_in_memory): Add fntype argumen.
3355         * config/arm/arm.h (RETURN_IN_MEMORY): Replace RETURN_IN_MEMORY
3356         by TARGET_RETURN_IN_MEMORY.
3357         * config/i386/i386-interix.h: Likewise.
3358         * config/i386/i386.h: Likewise.
3359         * config/i386/i386elf.h: Likewise.
3360         * config/i386/ptx4-i.h: Likewise.
3361         * config/i386/sol2-10.h: Likewise.
3362         * config/i386/sysv4.h: Likewise.
3363         * config/i386/vx-common.h: Likewise.
3364         * config/cris/cris.h: Removed #if 0 clause.
3365         * config/arm/arm-protos.h (arm_return_in_memory): Add fntype argument.
3366         * config/i386/i386-protos.h (ix86_return_in_memory): Add fntype
3367         argument.
3368         (ix86_sol10_return_in_memory): Likewise.
3369         (ix86_i386elf_return_in_memory): New.
3370         (ix86_i386interix_return_in_memory): New.
3371         * config/mt/mt-protos.h (mt_return_in_memory): New.
3372         * config/mt/mt.c: Likewise.
3373         * config/mt/mt.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
3374         (RETURN_IN_MEMORY):  Replace by TARGET_RETURN_IN_MEMORY.
3375         * config/bfin/bfin.h: Likewise.
3376         * config/bfin/bfin-protos.h (bfin_return_in_memory): Add fntype
3377         argument.
3378         * config/bfin/bfin.c: Likewise.
3379         * config/pa/pa.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
3380         * config/alpha/unicosmk.h: Likewise.
3381         * config/i386/cygming.h: Likewise.
3382         * config/iq2000/iq2000.h: Likewise.
3383         * config/mips/mips.h: Likewise.
3384         * config/mn10300/mn10300.h: Likewise.
3385         * config/rs6000/rs6000.h: Likewise.
3386         * config/score/score.h: Likewise.
3387         * config/spu/spu.h: Likewise.
3388         * config/v850/v850.h: Likewise.
3389         * defaults.h: Likewise.
3390         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Adjust documentation.
3391         * expr.c (emit_block_move): Adjust use of
3392         OUTGOING_REG_PARM_STACK_SPACE.
3393         * function.c (STACK_DYNAMIC_OFFSET): Adjust use of
3394         OUTGOING_REG_PARM_STACK_SPACE.
3395         * targhooks.c (default_return_in_memory): Remove RETURN_IN_MEMORY.
3396
3397 2008-05-08  Jakub Jelinek  <jakub@redhat.com>
3398
3399         * tree-parloops.c (create_parallel_loop): Set OMP_RETURN_NOWAIT
3400         on OMP_RETURN for OMP_FOR.
3401
3402         PR debug/35896
3403         * dwarf2out.c (dw_expand_expr, common_check): Removed.
3404         (fortran_common): New function.
3405         (gen_variable_die): Call fortran_common instead of common_check,
3406         adjust for it returning tree instead of rtx.  Formatting.
3407
3408 2008-05-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
3409
3410         PR rtl/7335
3411         PR rtl/33826
3412         * see.c (see_copy_insn): Copy new pure const attributes for new call.
3413         * c-decl.c (merge_decls): Ditto.
3414         * postreload.c (record_opr_changes): Change CONST_OR_PURE_CALL_P
3415         to RTL_CONST_OR_PURE_CALL_P.
3416         * tree.c (define_local_buitin): Rename DECL_IS_PURE to DECL_PURE_P.
3417         Initialized DECL_LOOPING_CONST_PURE.
3418         (process_call_operands): Set tree_side_effects properly.
3419         * tree.h (TREE_READONLY_DECL_P): Removed.
3420         (DECL_IS_PURE): Renamed to DECL_PURE_P.
3421         (DECL_LOOPING_OR_CONST_P): New macro.
3422         (struct tree_function_decl): Added looping_const_or_pure_p.
3423         (ECF_*) Renumbered.
3424         (ECF_LOOPING_OR_CONST_P): New macro.
3425         * rtlanal.c (pure_const_p): Removed.
3426         * builtins.c (expand_builtin): Rename DECL_IS_PURE to DECL_PURE_P.
3427         * reorg.c (delete_prior_computation) Changed CONST_OR_PURE_CALL_P
3428         to RTL_CONST_CALL_P.
3429         * ipa-pure-const.c (pure_const_state_e): Added looping field.
3430         (check_decl, check_tree, check_call, scan_function): Initialize
3431         looping.
3432         (analyze_function): Rename DECL_IS_PURE to DECL_PURE_P.
3433         (static_execute): Set looping true for recursive functions.
3434         Undo setting state to IPA_NEITHER for recursive functions.
3435         * cse.c (cse_insn): 
3436         * ifcvt.c (noce_can_store_speculate_p): Changed
3437         CONST_OR_PURE_CALL_P and pure_call_p to RTL_CONST_CALL_P or 
3438         RTL_CONST_OR_PURE_CALL_P.
3439         * dse.c (scan_insn): Ditto.
3440         * local-alloc.c (validate_equiv_mem, memref_used_between_p): Ditto.
3441         * gcse.c (oprs_not_seen_p) Changed CONST_OR_PURE_CALL_P to
3442         RTL_CONST_OR_PURE_CALL_P.
3443         (store_killed_in_insn): Changed CONST_OR_PURE_CALL_P and
3444         pure_call_p to RTL_CONST_CALL_P.
3445         * gimplify.c (gimplify_call_expr): Clear side effects for
3446         non-looping pure and constant calls.
3447         * calls.c (emit_call_1): Set rtl flags from ecf flags.
3448         (flags_from_decl_or_type): Set ecf flags from decl flags.
3449         (initialize_argument_information): Turn off
3450         ECF_LOOPING_CONST_OR_PURE when turning off ECF_CONST.
3451         Change const to pure if callee_copies is true rather than just
3452         turning off const.
3453         (expand_call): Turn off ECF_LOOPING_PURE_CONST_CALL and remove old
3454         way of marking pure calls.
3455         (emit_library_call_value_1): Turn off ECF_LOOPING_PURE_CONST_CALL.
3456         Remove hack that was supposed to fix pr7335 and remove old
3457         way of marking pure calls.
3458         * emit-rtl.c (emit_copy_of_insn_after): Copy RTL_CONST_CALL_P,
3459         RTL_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P.
3460         * cselib.c (cselib_process_insn): Changed CONST_OR_PURE_CALL_P to
3461         RTL_CONST_OR_PURE_CALL_P.
3462         * tree-ssa-pre.c (can_value_number_call): Fixed spacing.
3463         * loop-invariant.c (find_exits, find_invariant_bb): Changed
3464         CONST_OR_PURE_CALL_P to RTL_CONST_OR_PURE_CALL_P.
3465         * sched-deps.c (schedule_analyze): Ditto.
3466         * rtl.h (struct rtx_def): Use call field, unchanging field, and
3467         return_val field of calls to represent pure and const function info.
3468         (CONST_OR_PURE_CALL_P): Deleted macro.
3469         (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
3470         RTL_LOOPING_CONST_OR_PURE_CALL_P, RTL_CONST_OR_PURE_P): New macros.
3471         * tree-inline.c (copy_body_r): Changed TREE_READONLY_DECL_P to
3472         TREE_READONLY.
3473         * tree-optimize.c (execute_fixup_cfg): Added test for
3474         ECF_LOOPING_CONST_OR_PURE.
3475         * c-common.c (handle_pure_attribute): Changed DECL_IS_PURE to
3476         DECL_PURE_P.
3477         * tree-cfg.c (update_call_expr_flags): Do not clear tree side
3478         effects for looping pure or const calls.
3479         (verify_gimple_expr): Added verification code. 
3480         * config/alpha/alpha.c (alpha_legitimize_address,
3481         alpha_emit_xfloating_libcall): Changed CONST_OR_PURE_CALL_P to
3482         RTL_CONST_CALL_P.
3483         * config/s390/s390.c (s390_emit_tls_call_insn): Ditto.
3484         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Ditto.
3485         * config/mips/mips.c (mips_call_tls_get_addr): Ditto.
3486         * cfgrtl.c (need_fake_edge_p): Changed CONST_OR_PURE_CALL_P to
3487         RTL_CONST_OR_PURE_CALL_P.
3488         * dce.c (deletable_insn_p): Allow non looping, non sibling, pure
3489         and const calls to be deleted.
3490
3491 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
3492
3493         PR target/35714
3494         * config/i386/mmx.md (mmx_subv2sf3): New expander.
3495         (*mmx_subv2sf3): Rename from mmx_subv2sf3 insn pattern.
3496         (*mmx_eqv2sf3): Rename from mmx_eqv2sf3 insn pattern.
3497         (mmx_eqv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
3498         to handle nonimmediate operands.
3499         (*mmx_paddwd): Rename from mmx_paddwd insn pattern.
3500         (mmx_paddwd): New expander.  Use ix86_fixup_binary_operands_no_copy
3501         to handle nonimmediate operands.
3502         (*mmx_pmulhrwv4hi3): Rename from mmx_pmulhrwv4hi3 insn pattern.
3503         (mmx_pmulhrwv4hi3): New expander.  Use
3504         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3505         (*sse2_umulv1siv1di3): Rename from sse2_umulv1siv1di3 insn pattern.
3506         (sse2_umulv1siv1di3): New expander.  Use
3507         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3508         (*mmx_eq<mode>3): Rename from mmx_eq<mode>3 insn pattern.
3509         (mmx_eq<mode>3): New expander.  Use
3510         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3511         (*mmx_uavgv8qi3): Rename from mmx_uavgv8qi3 insn pattern.
3512         (mmx_uavgv8qi3): New expander.  Use
3513         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3514         (*mmx_uavgv4hi3): Rename from mmx_uavgv4hi3 insn pattern.
3515         (mmx_uavgv4hi3): New expander.  Use
3516         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3517
3518         * config/i386/sse.md
3519         (sse_movhlps_exp): New expander.  Use ix86_fixup_binary_operands
3520         to handle nonimmediate operands.
3521         (sse_movlhps_exp): New expander.  Use ix86_fixup_binary_operands
3522         to handle nonimmediate operands.
3523         (sse_loadhps_exp): New expander.  Use ix86_fixup_binary_operands
3524         to handle nonimmediate operands.
3525         (sse_loadlps_exp): New expander.  Use ix86_fixup_binary_operands
3526         to handle nonimmediate operands.
3527         (sse2_unpckhpd_exp): New expander.  Use
3528         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3529         (sse2_unpcklpd_exp): New expander.  Use
3530         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3531         (sse_loadhpd_exp): New expander.  Use ix86_fixup_binary_operands
3532         to handle nonimmediate operands.
3533         (sse_loadlpd): New expander.  Use ix86_fixup_binary_operands
3534         to handle nonimmediate operands.
3535         (*sse2_<plusminus_insn><mode>3): Rename from
3536         sse2_<plusminus_insn><mode>3 insn pattern.
3537         (sse2_<plusminus_insn><mode>3): New expander.  Use
3538         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3539         (*sse2_umulv2siv2di3): Rename from sse2_umulv2siv2di3 insn pattern.
3540         (sse2_umulv2siv2di3): New expander.  Use
3541         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3542         (*sse4_1_mulv2siv2di3): Rename from sse4_1_mulv2siv2di3 insn pattern.
3543         (sse4_1_mulv2siv2di3): New expander.  Use
3544         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3545         (*sse2_pmaddwd): Rename from sse2_pmaddwd insn pattern.
3546         (sse2_pmaddwd): New expander.  Use
3547         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3548         (*sse2_eq<mode>3): Rename from sse2_eq<mode>3 insn pattern.
3549         (sse2_eq<mode>3): New expander.  Use
3550         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3551         (*sse4_1_eqv2di3): Rename from sse4_1_eqv2di3 insn pattern.
3552         (sse4_1_eqv2di3): New expander.  Use
3553         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3554         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
3555         (sse2_uavgv16qi3): New expander.  Use
3556         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3557         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
3558         (sse2_uavgv16qi3): New expander.  Use
3559         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3560         (*sse2_uavgv8hi3): Rename from sse2_uavgv8hi3 insn pattern.
3561         (sse2_uavgv8hi3): New expander.  Use
3562         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3563         (*ssse3_pmulhrswv8hi3): Rename from ssse3_pmulhrswv8hi3 insn pattern.
3564         (ssse3_pmulhrswv8hi3): New expander.  Use
3565         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3566         (*ssse3_pmulhrswv4hi3): Rename from ssse3_pmulhrswv4hi3 insn pattern.
3567         (ssse3_pmulhrswv4hi3): New expander.  Use
3568         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3569
3570         (<sse>_vm<plusminus_insn><mode>3): Do not use ix86_binary_operator_ok.
3571         (<sse>_vmmul<mode>3): Ditto.
3572         (divv4sf3): Do not use ix86_fixup_binary_operands_no_copy.
3573         (divv2df3): Ditto.
3574         (ssse3_pmaddubsw128): Use register_operand for operand 1.
3575         (ssse3_pmaddubsw): Ditto.
3576
3577         * config/i386/i386.c (struct_builtin_description)
3578         [IX86_BUILTIN_LOADHPS]: Use CODE_FOR_sse_loadhps_exp.
3579         [IX86_BUILTIN_STOREHPS]: Use CODE_FOR_sse_loadlps_exp.
3580         [IX86_BUILTIN_LOADHPD]: Use CODE_FOR_sse2_loadhpd_exp.
3581         [IX86_BUILTIN_LOADLPD]: Use CODE_FOR_sse2_loadlpd_exp.
3582         [IX86_BUILTIN_MOVHLPS]: Use CODE_FOR_sse_movhlps_exp.
3583         [IX86_BUILTIN_MOVLHPS]: Use CODE_FOR_sse_movlhps_exp.
3584         [IX86_BUILTIN_UNPCKHPD]: Use FOR_sse2_unpckhpd_exp.
3585         [IX86_BUILTIN_UNPCKLPD]: Use FOR_sse2_unpcklpd_exp.
3586         (ix86_fixup_binary_operands): Assert that src1
3587         and src2 must have the same mode when swapped.
3588         (ix86_expand_binop_builtin): Do not use ix86_fixup_binary_operands
3589         and ix86_binary_operator_ok.  Do not force operands in registers
3590         when optimizing.
3591
3592 2008-05-07  Jan Hubicka  <jh@suse.cz>
3593
3594         * cgraph.c (dump_cgraph_node): Update.
3595         * cgraph.h (cgraph_local_info): Break out inline summary.
3596         * cgraphunit.c (cgraph_process_new_functions): Use inliner analysis
3597         hook.
3598         * ipa-inline (inline_summary): New accestor function.
3599         (cgraph_clone_inlined_nodes, cgraph_check_inline_limits,
3600         cgraph_decide_inlining, compute_inline_parameters): Update.
3601         * ipa.c (cgraph_remove_unreachable_nodes): Remove statistics.
3602
3603 2008-05-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
3604
3605         Cleanup ColdFire scheduling support and add V4 pipeline model.
3606
3607         * config/m68k/m68k.md (UNSPEC_TIE): New constant.
3608         (define_attr cpu): Add cfv4 value.
3609         (define_attr type, define_attr type1): Merge into a single 'type'
3610         attribute.  Update all uses.
3611         (define_attr opx_type, define_attr opy_type, define_attr opx_access):
3612         Rearrange and update.  Rename value 'reg' to 'Rn', add value 'FPn'.
3613         Update all uses.
3614         (define_attr opx_mem, define_attr opy_mem): Remove.
3615         (define_attr op_mem): Clean up, update comment.
3616         (define_attr size): Use specific values instead of general int.
3617         (define_attr guess, define_attr split): Remove.  Update all uses.
3618         (movdf_internal, tstsi_internal, tsthi_internal, tstqi_internal,
3619         tst<mode>_68881, pushexthisi_const, movsi_const0_68000_10,
3620         movsi_const0_68040_60, movsi_const0, movsi_cf, movstrictqi_cf,
3621         zero_extendhisi2_cf, zero_extendqisi2_cfv4, cfv4_extendhisi2,
3622         68k_extendhisi2, extendqihi2, cfv4_extendqisi2, 68k_extendqisi2,
3623         floatsi<mode>2_68881, ftrunc<mode>2_68881, ftrunc<mode>2_cf,
3624         fix<mode>qi2_68881, fix<mode>hi2_68881, fix<mode>si2_68881,
3625         adddi_dishl32, addsi3_5200, add<mode>3_floatsi_68881,
3626         add<mode>3_floathi_68881, add<mode>3_floatqi_68881,
3627         add<mode>3_68881, add<mode>3_cf, subdi_dishl32, subsi3,
3628         sub<mode>3_floatsi_68881, sub<mode>3_floathi_68881,
3629         sub<mode>3_floatqi_68881, sub<mode>3_68881, sub<mode>3_cf,
3630         mulhi3, mulhisi3, mulhisisi3_s, mulsi3_68020, mulsi3_cf,
3631         umulhisi3, mulhisisi3_z, mul<mode>3_floatsi_68881,
3632         mul<mode>3_floathi_68881, mul<mode>3_floatqi_68881, fmul<mode>3_cf,
3633         div<mode>3_cf, sqrt<mode>2_cf, abs<mode>2_cf, clzsi2,
3634         one_cmplsi2_5200, subreghi1ashrdi_const32, ashrsi3, lshrsi3,
3635         bsetmemqi, bsetmemqi_ext, bclrmemqi, bclrmemqi_ext,
3636         beq, bne, bgt, blt, bordered, bunordered, buneq, bunge, bungt, bunle,
3637         bunlt, bltgt, tablejump_internal, call, non_symbolic_call_value,
3638         symbolic_call_value_jsr, symbolic_call_value_bsr, link):
3639         Update or set attributes.
3640         (stack_tie): New fake instruction.
3641
3642         * config/m68k/m68k.h (TUNE_CFV4): New macro.
3643         (m68k_sched_attr_size): Update declaration.
3644         (m68k_sched_attr_type2): Remove.
3645         (m68k_sched_address_bypass_p, m68k_sched_indexed_address_bypass_p):
3646         Declare new bypass predicates.
3647
3648         * config/m68k/m68k.c (m68k_sched_issue_rate,
3649         m68k_sched_first_cycle_multipass_dfa_lookahead): Declare hook
3650         implementations.
3651         (TARGET_SCHED_ISSUE_RATE,
3652         TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): Override hooks.
3653         (override_options): Handle scheduling for ColdFire V4 core.
3654         (m68k_expand_prologue): Emit stack_tie.
3655         (enum attr_op_type): Split value 'OP_TYPE_REG' to 'OP_TYPE_RN' and
3656         'OP_TYPE_FPN'.  Update all uses.
3657         (sched_guess_p): Remove.
3658         (sched_address_type): Handle symbolic addresses.
3659         (sched_get_operand): New static function.
3660         (sched_operand_type): Merge into sched_attr_op_type.
3661         (sched_attr_op_type): Handle FP registers, handle quick constants,
3662         update.
3663         (m68k_sched_attr_opx_type, m68k_sched_attr_opy_type): Update.
3664         (m68k_sched_attr_size): Update.  Move logic to ...
3665         (sched_get_attr_size_int): New static function.
3666         (sched_get_opxy_mem_type): New static function.
3667         (m68k_sched_attr_op_mem): Update.
3668         (m68k_sched_attr_type2): Remove.
3669         (sched_cfv4_bypass_data): New static variable.
3670         (m68k_sched_adjust_cost): Handle ColdFire V4 bypass.
3671         (m68k_sched_issue_rate): Implement scheduler hook.
3672         (struct _sched_ib: enabled_p): New field.
3673         (m68k_sched_variable_issue): Update.  Handle V4.
3674         (SCHED_DUMP_TODO, SCHED_DUMP_DONE, SCHED_DUMP_NOTHING,
3675         sched_dump_class_func_t, sched_dump_split_class,
3676         sched_dump_dfa_guess_unit_code, sched_dump_dfa_state,
3677         sched_dump_dfa_class, m68k_sched_dump): Remove.
3678         (m68k_sched_first_cycle_multipass_dfa_lookahead): Implement scheduler
3679         hook.
3680         (m68k_sched_init_global): Remove statisctics dumping, introduce
3681         sanity check that all instructions have pipeline reservations.  Handle
3682         ColdFire V4 core.
3683         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
3684         Handle ColdFire V4 core.
3685         (sched_mem_operand_p, sched_get_reg_operand, sched_get_mem_operand):
3686         New static functions.
3687         (m68k_sched_address_bypass_p): New bypass predicate.
3688         (sched_get_indexed_address_scale): New static function.
3689         (m68k_sched_indexed_address_bypass_p): New bypass predicate.
3690
3691         * cf.md: Update comments.
3692         (define_attr type2): Remove.  Use 'type' attribute instead.
3693         Update all uses.
3694         (cf_ib): Rename to cfv123_ib.  Update all uses.
3695         (cf_oep): Rename to cfv123_oep.  Update all uses.
3696         (cf_chr): Rename to cfv123_chr.  Update all uses.
3697         (cf_mem): Rename to cfv123_mem.  Update all uses.
3698         (cf_mac): Move to more appropriate place.
3699         (cfv123_guess): New automaton and cpu_unit.
3700         (cfv123_*, cfv12_*, cfv1_*, cfv2_*, cfv3_*): Use type attribute.
3701         Update uses of 'size' attribute.  Handle before reload scheduling.
3702         (cfv123_guess): New dummy reservation for unhandled instructions.
3703         (cfv4_*): Pipeline description of ColdFire V4 core.
3704         (ignore): New reservation to handle 'ignore' type.
3705
3706 2008-05-07  Ian Lance Taylor  <iant@google.com>
3707
3708         PR middle-end/36013
3709         * gimplify.c (find_single_pointer_decl_1): Don't look through
3710         indirections.
3711         (find_single_pointer_decl): Adjust comments.
3712
3713 2008-05-07  Jakub Jelinek  <jakub@redhat.com>
3714
3715         PR middle-end/36137
3716         * fold-const.c (fold_binary): Use STRIP_SIGN_NOPS instead of
3717         STRIP_NOPS on arguments even for MIN_EXPR and MAX_EXPR.
3718
3719         PR middle-end/36106
3720         * omp-low.c (expand_omp_atomic_pipeline): Load value using the
3721         integral type rather than floating point, then VIEW_CONVERT_EXPR
3722         to the floating point type.
3723
3724 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
3725
3726         * config/i386/i386.c (ix86_expand_copysign): Force non-zero constant
3727         TFmode op0 to register.
3728
3729 2008-05-07  Alan Modra  <amodra@bigpond.net.au>
3730
3731         * c-decl.c (grokdeclarator): Comment typo.
3732
3733 2008-05-06  Aldy Hernandez  <aldyh@redhat.com>
3734
3735         * tree-flow.h: Remove prototype for computed_goto_p.
3736         * tree-cfg.c (computed_goto_p): Make static.
3737
3738 2008-05-06  H.J. Lu  <hongjiu.lu@intel.com>
3739
3740         PR target/35657
3741         * config/i386/i386.c (contains_128bit_aligned_vector_p): Renamed to ...
3742         (contains_aligned_value_p): This.  Handle _Decimal128.
3743         (ix86_function_arg_boundary): Only align _Decimal128 to its
3744         natural boundary and handle it properly.
3745
3746 2008-05-06  Martin Jambor  <mjambor@suse.cz>
3747
3748         * ipa-cp.c (ipcp_method_orig_node): Renamed to ipcp_get_orig_node.
3749         (ipcp_method_is_cloned): Renamed to ipcp_node_is_clone
3750         (ipcp_method_set_orig_node): Removed.
3751         (ipcp_cval_get_cvalue_type): Removed.
3752         (ipcp_method_get_scale): Renamed to ipcp_get_node_scale.
3753         (ipcp_method_set_scale): Renamed to ipcp_set_node_scale.
3754         (ipcp_cval_set_cvalue_type): Removed.
3755         (ipcp_cval_get_cvalue): Removed.
3756         (ipcp_cval_set_cvalue): Removed.
3757         (ipcp_type_is_const): Renamed to ipcp_lat_is_const.
3758         (ipcp_cval_equal_cvalues): Renamed to ipcp_lats_are_equal
3759         (ipcp_lats_are_equal): Changed parameters to two ipcp_lattice's
3760         (ipcp_cval_meet): Renamed to ipa_lattice_meet
3761         (ipcp_cval_changed): Changed to use ipcp_lat_is_const
3762         (ipcp_method_cval): Renamed to ipcp_get_ith_lattice
3763         (ipcp_get_ith_lattice): Changed parameters.
3764         (ipcp_cval_compute): Renamed to ipcp_lattice_from_jfunc
3765         (ipcp_lattice_from_jfunc): Changed parameters.
3766         (ipcp_redirect): Local lattice pointer instead of lattice type variable.
3767         (ipcp_method_cval_print): Added temporary variable info.
3768         (ipcp_redirect): Removed already unused local variable caller.
3769         (ipcp_redirect): New temporary variable orig_callee_info
3770         (ipcp_redirect): Removed newly unused local variable callee.
3771         (ipcp_redirect): Removed (a bit confusing) local variable type.
3772         (ipcp_insert_stage): Added local variable info.
3773         (ipcp_cval_changed): Renamed to ipcp_lattice_changed, parameters 
3774         renamed too
3775         (ipcp_formal_create): Removed.
3776         (ipcp_method_cval_set): Removed.
3777         (ipcp_propagate_stage): Renamed lattice variables.
3778         (ipcp_method_cval_set_cvalue_type): Removed.
3779         (ipcp_method_cval_print): Renamed to ipcp_print_all_lattices
3780         (ipcp_print_all_lattices): Changed printed strings to refer to 
3781         lattices rather than cvals.
3782         (ipcp_method_cval_init): Renamed to ipcp_initialize_node_lattices
3783         (ipcp_propagate_const): Changed formal parameters.
3784         (build_const_val): Changed formal parameters.
3785         (ipcp_insert_stage): Removed useless variable cvalue
3786         (build_const_val): Changed formal parameters.
3787         (ipcp_method_compute_scale): Renamed to ipcp_compute_node_scale
3788         (ipcp_after_propagate): Renamed to ipcp_change_tops_to_bottom
3789         (ipcp_callsite_param_print): Renamed to ipcp_print_all_jump_functions
3790         (ipcp_profile_mt_count_print): Renamed to ipcp_print_func_profile_counts
3791         (ipcp_print_func_profile_counts): Changed string from "method" to 
3792         "function"
3793         (ipcp_profile_cs_count_print): Renamed to ipcp_print_call_profile_counts
3794         (ipcp_profile_edge_print): Renamed to ipcp_print_edge_profiles
3795         (ipcp_profile_bb_print): Renamed to ipcp_print_bb_profiles
3796         (ipcp_structures_print): Renamed to ipcp_print_all_structures
3797         (ipcp_profile_print): Renamed to ipcp_print_profile_data
3798         (ipcp_lat_is_const): Changed parameters and made inline.
3799         (ipcp_replace_map_create): Renamed to ipcp_create_replace_map
3800         (ipcp_redirect): Renamed to ipcp_need_redirect_p
3801         (ipcp_need_redirect_p): Calls ipcp_lat_is_const instead of using 
3802         the predicate condition directly
3803         (ipcp_propagate_stage): Added local variable args. Removed local
3804         variable callee.  (Both are mere code simplifications.)
3805         (ipcp_method_dont_insert_const): Renamed to
3806         ipcp_node_not_modifiable_p.
3807         (ipcp_node_not_modifiable_p): Made inline.
3808         (ipcp_cloned_create): Renamed to ipcp_init_cloned_node
3809         (ipcp_propagate_const): Renamed to ipcp_propagate_one_const
3810         (ipcp_print_all_lattices): Removed variable cvalue
3811         (ipcp_method_scale_print): Renamed to ipcp_function_scale_print
3812         Updated comments.
3813
3814 2008-05-06  Olivier Hainque  <hainque@adacore.com>
3815
3816         * tree-sra.c (try_instantiate_multiple_fields): Early return
3817         if field has POINTER_TYPE.
3818
3819 2008-05-06  Kai Tietz  <kai.tietz@onevision.com>
3820
3821         * config/i386/i386.c (output_set_got): Fix for x86_64 output_emit_asm
3822         by using 'q' specifier for instruction.
3823         (ix86_file_end): Replaced case TARGET_64BIT_MS_ABI by TARGET_64BIT.
3824
3825 2008-05-06  Anatoly Sokolov <aesok@post.ru>
3826
3827         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
3828         Change mode of zero_extract from QImode to HImode.
3829         (sign bit tests peepholes): (Ditto.).
3830
3831 2008-05-06  Uros Bizjak  <ubizjak@gmail.com>
3832
3833         * config/i386/mmx.md: Remove double backslashes from asm templates.
3834         (*mmx_addv2sf3): Rename from mmx_addv2sf3 insn pattern.
3835         (mmx_addv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
3836         to handle nonimmediate operands.
3837         (*mmx_mulv2sf3): Rename from mmx_mulv2sf3 insn pattern.
3838         (mmx_mulv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
3839         to handle nonimmediate operands.
3840         (*mmx_<code>v2sf3_finite): New insn pattern.
3841         (*mmx_<code>v2sf3): Rename from mmx_<code>v2sf3 insn pattern.
3842         (mmx_<code>v2sf3): New expander.  Use
3843         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3844         (mmx_<plusminus_insn><mode>3): New expander.  Use
3845         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3846         (*mmx_<plusminus_insn><mode>3): New insn pattern.
3847         (mmx_add<mode>3): Removed.
3848         (mmx_ssadd<mode>3): Ditto.
3849         (mmx_usadd<mode>3): Ditto.
3850         (mmx_sub<mode>3): Ditto.
3851         (mmx_sssub<mode>3): Ditto.
3852         (mmx_ussub<mode>3): Ditto.
3853         (*mmx_mulv4hi3): Rename from mmx_mulv4hi3 insn pattern.
3854         (mmx_mulv4hi3): New expander.  Use ix86_fixup_binary_operands_no_copy
3855         to handle nonimmediate operands.
3856         (*mmx_smulv4hi3_highpart): Rename from mmx_smulv4hi3_highpart
3857         insn pattern.
3858         (mmx_smulv4hi3_highpart): New expander.  Use
3859         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3860         (*mmx_umulv4hi3_highpart): Rename from mmx_umulv4hi3_highpart
3861         insn pattern.
3862         (mmx_umulv4hi3_highpart): New expander.  Use
3863         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3864         (*mmx_<code>v4hi3): Rename from mmx_<code>v4hi3 insn pattern.
3865         (mmx_<code>v4hi3): New expander.  Use
3866         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3867         (*mmx_<code>v8qi3): Rename from mmx_<code>v8qi3 insn pattern.
3868         (mmx_<code>v8qi3): New expander.  Use
3869         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3870         (*mmx_<code><mode>3): Rename from mmx_<code><mode>3 insn pattern.
3871         (mmx_<code><mode>3): New expander.  Use
3872         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3873
3874 2008-05-05  Jan Hubicka  <jh@suse.cz>
3875
3876         PR tree-optimization/36118
3877         * passes.c (pass_init_dump_file): Fix dump header.
3878
3879 2008-05-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3880
3881         PR middle-end/36141
3882         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Don't create
3883         VCE for function decls.
3884
3885 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
3886
3887         * config/i386/sse.md (sse2_<plusminus_insn><mode>3): Fix a typo.
3888
3889 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
3890
3891         * config/i386/i386.md (sat_plusminus): New.
3892         (plusminus_insn): Likewise.
3893         (plusminus_mnemonic): Likewise.
3894         (addsub): Removed.
3895         (comm): Add ss_plus, us_plus, ss_minus and us_minus.
3896         (*<addsub><mode>3_cc_overflow): Renamed to ...
3897         (*<plusminus_insn><mode>3_cc_overflow): This.
3898         (*<addsub>si3_zext_cc_overflow): Renamed to ...
3899         (*<plusminus_insn>si3_zext_cc_overflow): This.
3900
3901         * config/i386/sse.md (<addsub><mode>3): Renamed to ...
3902         (<plusminus_insn><mode>3): This.
3903         (*<addsub><mode>3): Renamed to ...
3904         (*<plusminus_insn><mode>3): This.
3905         (<sse>_vm<addsub><mode>3): Renamed to ...
3906         (<sse>_vm<plusminus_insn><mode>3): This.
3907         (sse3_h<addsub>v4sf3): Renamed to ...
3908         (sse3_h<plusminus_insn>v4sf3): This.
3909         (sse3_h<addsub>v2df3): Renamed to ...
3910         (sse3_h<plusminus_insn>v2df3): This.
3911         (<plusminus_insn><mode>3): New.
3912         (*<plusminus_insn><mode>3): Likewise.
3913         (sse2_<plusminus_insn><mode>3): Likewise.
3914         (add<mode>): Removed.
3915         (*add<mode>3): Likewise.
3916         (sse2_ssadd<mode>3): Likewise.
3917         (sse2_usadd<mode>3): Likewise.
3918         (sub<mode>3): Likewise.
3919         (*sub<mode>3): Likewise.
3920         (sse2_sssub<mode>3): Likewise.
3921         (sse2_ussub<mode>3): Likewise.
3922
3923 2008-05-05  Benjamin Kosnik  <bkoz@redhat.com>
3924
3925         * gthr-single.h: Add in required interface elements as per gthr.h.
3926         Add stub types for __gthread_key_t, __gthread_once_t. Add defines
3927         for __GTHREAD_ONCE_INIT, __GTHREAD_RECURSIVE_MUTEX_INIT.
3928         Generalize UNUSED macro. 
3929         (__gthread_once): Add.
3930         (__gthread_key_create): Add.
3931         (__gthread_key_delete): Add.
3932         (__gthread_getspecific): Add.
3933         (__gthread_setspecific): Add.
3934         
3935 2008-05-05  Andrew Pinski  <Andrew.Pinski@playstation.sony.com>
3936
3937         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): If we have
3938         the same size types for the indirect reference on the rhs, then
3939         create a VCE.
3940
3941 2008-05-05  Uros Bizjak  <ubizjak@gmail.com>
3942
3943         * config/i386/i386.md
3944         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit): Use only
3945         one insn template instead of template series.
3946         (*xordi_1_rex64): Ditto.
3947         (*xordi_2_rex64): Ditto.
3948
3949 2008-05-05  Ira Rosen  <irar@il.ibm.com>
3950
3951         PR tree-optimization/36119
3952         * tree-vect-transform.c (vectorizable_assignment): Set NCOPIES to 1
3953         in case of SLP.
3954
3955 2008-06-04  Jan Hubicka  <jh@suse.cz>
3956
3957         tree-optimization/36100
3958         * tree-pass.h (pass_O0_always_inline): Declare.
3959         * ipa-inline.c (inline_transform): Remove dead code.
3960         (cgraph_gate_O0_always_inline, cgraph_O0_always_inline,
3961         pass_O0_always_inline): New.
3962         * passes.c (init_optimization_passes): Add pass_O0_always_inline.
3963
3964 2008-05-04  Kai Tietz  <kai.tietz@onevision.com>
3965
3966         * config/i386/i386.c (x86_output_mi_thunk): Use movq alternative
3967         mnemonic in this_param move for TARGET_64BIT.
3968
3969 2008-05-04  Uros Bizjak  <ubizjak@gmail.com>
3970
3971         * config/i386/i386.md (*strmovsi_1): Simplify asm alternatives.
3972         (*strmovsi_rex_1): Ditto.
3973         (*strsetsi_1): Ditto.
3974         (*strsetsi_rex_1): Ditto.
3975
3976         (add<mode>cc): Macroize expander from addqicc, addhicc, addsicc and
3977         adddicc expanders using SWI mode iterator.
3978
3979 2008-05-04  H.J. Lu  <hongjiu.lu@intel.com>
3980
3981         PR target/36121
3982         * config/i386/i386.c (ix86_expand_special_args_builtin): Remove three
3983         argument handling.
3984
3985 2008-05-04  David S. Miller  <davem@davemloft.net>
3986
3987         * config.gcc (sparc*-*-*): Always set need_64bit_hwint to yes.
3988         (sparc*-*-linux*): Use linux.h in tm_file.
3989         (sparc-*-linux*): If 'enabled_targets' is 'all', build a bi-arch
3990         compiler defaulting to 32-bit.
3991         (sparc*-*-*): Remove explicit target settings of need_64bit_hwint,
3992         no longer needed.
3993         * config/sparc/linux.h: Remove definitions now obtained
3994         properly from linux.h
3995         * config/sparc/linux64.h: Likewise.
3996         (ASM_CPU_DEFAULT_SPEC): Change this to ASM_CPU64_DEFAULT_SPEC, we
3997         don't want this setting for 32-bit builds in a biarch compiler.
3998         * doc/install.texi: Add sparc-linux to list of targets
3999         supporting --enable-targets=all.
4000
4001 2008-05-03  Andrew Pinski  <pinskia@gmail.com>
4002
4003         * Makefile.in (tree-ssa-phiprop.o): Fix dependencies.
4004
4005 2008-05-03  H.J. Lu  <hongjiu.lu@intel.com>
4006
4007         * config/i386/i386.c (ix86_builtin_type): Move V4SI_FTYPE_V4SF
4008         after V4SI_FTYPE_V8HI.
4009         (ix86_init_mmx_sse_builtins): Move case V4HI_FTYPE_V4HI after
4010         case V4SI_FTYPE_V2DF.
4011
4012 2008-05-03  Kenneth Zadeck  <zadeck@naturalbridge.com>
4013
4014         * doc/invoke.texi (max-flow-memory-locations): Removed.
4015         * params.def (PARAM_MAX_FLOW_MEMORY_LOCATIONS): Removed.
4016         
4017 2008-05-03  Richard Guenther  <rguenther@suse.de>
4018
4019         PR middle-end/34973
4020         * opts.c (set_Wstrict_aliasing): Handle the turn-off case.
4021
4022 2008-05-02  David S. Miller  <davem@davemloft.net>
4023
4024         * config.gcc (need_64bit_hwint): Document libcpp dependency.
4025
4026 2008-05-02  Simon Baldwin <simonb@google.com>
4027
4028         PR bootstrap/36108
4029         * c-common.h (warn_array_subscript_range): Removed.
4030         * c-common.c (warn_array_subscript_range): Ditto.
4031         * tree-vrp.c (check_array_ref): Revert to ignoring arrays with size 2.
4032         * c-typeck.c (build_array_ref): Remove warn_array_subscript_range.
4033
4034 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
4035
4036         * config/i386/i386.c (ix86_special_builtin_type): New.
4037         (bdesc_special_args): Likewise.
4038         (ix86_expand_special_args_builtin): Likewise.
4039         (ix86_init_mmx_sse_builtins): Updated.
4040         (ix86_expand_builtin): Updated.
4041         (ix86_expand_store_builtin): Removed.
4042         (ix86_expand_unop_builtin): Likewise.
4043
4044         * config/i386/mm3dnow.h (__v2sf): Moved to ...
4045         * config/i386/mmintrin.h (__v2sf): Here.
4046
4047         * config/i386/xmmintrin.h (_mm_loadh_pi): Replace __v2si with
4048         const __v2sf.
4049         (_mm_loadl_pi): Likewise.
4050         (_mm_storeh_pi): Replace __v2si with __v2sf.
4051         (_mm_storel_pi): Likewise.
4052
4053         * doc/extend.texi: Correct __builtin_ia32_loadhps,
4054         __builtin_ia32_loadlps, __builtin_ia32_storehps,
4055         __builtin_ia32_storelps, __builtin_ia32_loadhpd and
4056         __builtin_ia32_loadlpd.
4057
4058 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
4059
4060         * config/i386/i386.c (ix86_builtin_type): Add FLOAT_FTYPE_FLOAT,
4061         V4SF_FTYPE_V4SF_VEC_MERGE and V2DF_FTYPE_V2DF_VEC_MERGE.
4062         (bdesc_args): Updated.  Add scalar SSE builtins with vec_merge.
4063         (ix86_init_mmx_sse_builtins): Updated.
4064         (ix86_expand_args_builtin): Likewise.
4065         (ix86_expand_builtin): Likewise.
4066         (ix86_expand_unop1_builtin): Renamed to ...
4067         (ix86_expand_unop_vec_merge_builtin): This.
4068
4069 2008-05-01  Jan Hubicka  <jh@suse.cz>
4070
4071         PR bootstrap/36100
4072         * ipa-inline.c (inline_generate_summary): Make static.
4073         (inline_transform): Do not call inlining at -O0; make static.
4074         * passes.c (execute_todo): Add sanity check.
4075         (execute_one_ipa_transform_pass): Execute proper flags.
4076
4077 2008-05-01  Eric Botcazou  <ebotcazou@adacore.com>
4078
4079         * tree.h (TYPE_NONALIASED_COMPONENT): Expand comment.
4080         (DECL_NONADDRESSABLE_P): Likewise.
4081         * alias.c (record_component_aliases): Fix comment.
4082
4083 2008-05-01  Simon Baldwin <simonb@google.com>
4084
4085         * c-common.h (warn_array_subscript_range): New function.
4086         * c-common.c (warn_array_subscript_range): Ditto.
4087         * tree-vrp.c (check_array_ref): Corrected code to agree with
4088         comment, ignoring only arrays of size 0 or size 1.
4089         * c-typeck.c (build_array_ref): Call warn_array_subscript_range.
4090
4091 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
4092
4093         * config/i386/i386.c (ix86_builtin_type): Replace
4094         DI_FTYPE_DI_DI_INT with V1DI2DI_FTYPE_V1DI_V1DI_INT.
4095         (bdesc_args): Updated.
4096         (ix86_init_mmx_sse_builtins): Likewise.
4097         (ix86_expand_args_builtin): Likewise.
4098
4099         * config/i386/tmmintrin.h (_mm_alignr_pi8): Replace long long
4100         with __v1di.
4101
4102         * doc/extend.texi: Correct __builtin_ia32_palignr.
4103
4104 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
4105
4106         PR target/36095
4107         * config/i386/i386.c (bdesc_crc32): Removed.
4108         (ix86_expand_crc32): Likewise.
4109         (ix86_builtin_type): Replace V2DI2TI_FTYPE_V2DI2TI_INT with
4110         V2DI2TI_FTYPE_V2DI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT with
4111         V2DI2TI_FTYPE_V2DI_V2DI_INT.  Add UINT64_FTYPE_UINT64_UINT64,
4112         UINT_FTYPE_UINT_UINT, UINT_FTYPE_UINT_USHORT and
4113         UINT_FTYPE_UINT_UCHAR.
4114         (bdesc_args): Updated. Add crc32 builtins.
4115         (ix86_init_mmx_sse_builtins): Updated.
4116         (ix86_expand_args_builtin): Updated to support subreg.
4117
4118         * doc/extend.texi: Correct __builtin_ia32_crc32di.
4119
4120 2008-05-01  Jan Hubicka  <jh@suse.cz>
4121
4122         * tree-pass.h (opt_pass): Add IPA_PASS.
4123         (varpool_node, cgraph_node): Forward declare.
4124         (ipa_opt_pass): Define.
4125         (pass_ipa_inline): Turn into ipa_opt_pass.
4126         (pass_apply_inline): Remove.
4127         * ipa-inline.c (pass_ipa_inline): Turn into ipa_opt_pass.
4128         (apply_inline): Turn into ....
4129         (inline_transform): ... this one.
4130         (inline_generate_summary): New function.
4131         (pass_apply_inline): Remove.
4132         * function.h (ipa_opt_pass): Forward declare structure; typedef;
4133         vector.
4134         (struct function): Add ipa_transforms_to_apply.
4135         * passes.c (register_one_dump_file): Work on IPA_PASS.
4136         (init_optimization_passes): Remove pass_inline_parameters and
4137         pass_apply_inline.
4138         (pass_init_dump_file, pass_fini_dump_file): Break out from ....
4139         (execute_one_pass) ... here; apply transforms when possible.
4140         (add_ipa_transform_pass, execute_ipa_summary_asses,
4141         execute_one_ipa_transform_pass): New.
4142         (execute_ipa_pass_list): Update for IPA_PASS type.
4143
4144 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
4145
4146         * config/i386/i386.c (ix86_builtin_type): Add
4147         V2DI_FTYPE_V2DI_V16QI, V2DI_FTYPE_V2DI_UINT_UINT and
4148         V2DI_FTYPE_V2DI_V2DI_UINT_UINT.
4149         (bdesc_args): Add SSE4a builtins.
4150         (ix86_init_mmx_sse_builtins): Updated.
4151         (ix86_expand_args_builtin): Likewise.
4152         (ix86_expand_builtin): Likewise.
4153
4154 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
4155
4156         * config/i386/i386.c (ix86_builtin_type): Add
4157         V8HI_FTYPE_V8HI_V8HI_COUNT, V8HI_FTYPE_V8HI_SI_COUNT,
4158         V4SI_FTYPE_V4SI_V4SI_COUNT, V4SI_FTYPE_V4SI_SI_COUNT,
4159         V4HI_FTYPE_V4HI_V4HI_COUNT, V4HI_FTYPE_V4HI_SI_COUNT,
4160         V2DI_FTYPE_V2DI_V2DI_COUNT, V2DI_FTYPE_V2DI_SI_COUNT,
4161         V2SI_FTYPE_V2SI_V2SI_COUNT, V2SI_FTYPE_V2SI_SI_COUNT,
4162         V1DI_FTYPE_V1DI_V1DI_COUNT, V1DI_FTYPE_V1DI_SI_COUNT,
4163         V8HI_FTYPE_V8HI_INT, V4SI_FTYPE_V4SI_INT, V4HI_FTYPE_V4HI_INT,
4164         V2DI2TI_FTYPE_V2DI2TI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT
4165         and DI_FTYPE_DI_DI_INT.
4166         (bdesc_args): Add MMX/SSE shift, shuffle and palignr builtins.
4167         (ix86_init_mmx_sse_builtins): Updated.
4168         (ix86_expand_args_builtin): Likewise.
4169         (ix86_expand_builtin): Likewise.
4170         (ix86_expand_binop_imm_builtin): Removed.
4171
4172         * doc/extend.texi: Correct __builtin_ia32_palignr128.
4173
4174 2008-04-30  Richard Guenther  <rguenther@suse.de>
4175
4176         PR tree-optimization/32921
4177         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Disambiguate with TBAA.
4178
4179 2008-04-30  Richard Sandiford  <rsandifo@nildram.co.uk>
4180
4181         * config/arm/arm.c (arm_unwind_emit): Use
4182         crtl->all_throwers_are_sibcalls instead of
4183         cfun->all_throwers_are_sibcalls.
4184         (arm_output_fn_unwind): Likewise.
4185         * config/frv/frv.c (frv_stack_info): Use crtl->uses_pic_offset_table
4186         instead of cfun->uses_pic_offset_table.
4187         (frv_expand_prologue): Likewise.
4188         (frv_frame_pointer_required): Likewise.
4189         (frv_expand_fdpic_call): Likewise.
4190         (frv_emit_movsi): Likewise.
4191         * config/iq2000/iq2000.c (iq2000_expand_prologue): Use
4192         cfun->returns_pcc_struct instead of
4193         current_function_returns_pcc_struct.
4194         * config/m32c/m32c.c (need_to_save): Use crtl->calls_eh_return
4195         instead of cfun->calls_eh_return.
4196         (m32c_pushm_popm): Likewise.
4197         * config/xtensa/xtensa.h (cfun->calls_alloca): Remove bogus
4198         "extern" declaration.
4199
4200 2008-04-30  Richard Guenther  <rguenther@suse.de>
4201
4202         PR tree-optimization/21636
4203         * tree-ssa-ccp.c (ccp_fold): Handle &p->x with p being a
4204         constant address.
4205         (evaluate_stmt): Print the likely value.
4206         (ccp_visit_stmt): Avoid excessive vertical spacing.
4207
4208 2008-04-30  Rafael Espindola  <espindola@google.com>
4209
4210         * builtins.c (fold_call_expr): Return realret.
4211         * tree-ssa-threadedge.c
4212         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
4213         __builtin_object_size.
4214
4215 2008-04-30  Seongbae Park  <seongbae.park@gmail.com>
4216
4217         * gcc.c (wrapper_string): New variable.
4218         (insert_wrapper): New function.
4219         (execute): New option -wrapper.
4220         * doc/invoke.texi (Overall Options): New driver option -wrapper.
4221
4222 2008-04-30  Nathan Froyd  <froydnj@codesourcery.com>
4223
4224         * config/rs6000/crtresgpr.asm, config/rs6000/crtresxgpr.asm,
4225         config/rs6000/crtsavgpr.asm, config/rs6000/crtresfpr.asm,
4226         config/rs6000/crtresxfpr.asm, config/rs6000/crtsavfpr.asm: Break out
4227         from...
4228         * config/rs6000/crtsavres.asm: ...here.  Remove unneeded file.
4229         * config/rs6000/e500crtres32gpr.asm, config/rs6000/e500crtres64gpr.asm,
4230         config/rs6000/e500crtres64gprctr.asm,
4231         config/rs6000/e500crtrest32gpr.asm, config/rs6000/e500crtrest64gpr.asm,
4232         config/rs6000/e500crtresx32gpr.asm, config/rs6000/e500crtresx64gpr.asm,
4233         config/rs6000/e500crtsav32gpr.asm, config/rs6000/e500crtsav64gpr.asm,
4234         config/rs6000/e500crtsav64gprctr.asm,
4235         config/rs6000/e500crtsavg32gpr.asm, config/rs6000/e500crtsavg64gpr.asm,
4236         config/rs6000/e500crtsavg64gprctr.asm: New files.
4237         * config/rs6000/t-ppccomm: Add build rules for new files.
4238         (LIB2FUNCS_STATIC_EXTRA): Add new files.
4239         * config/rs6000/t-netbsd: Add build rules for new files.
4240         (LIB2FUNCS_STATIC_EXTRA): New variable.
4241         * config/rs6000/sysv4.h (ENDFILE_SPEC): Don't include crtsavres.o
4242         (CRTSAVRES_DEFAULT_SPEC): Likewise.
4243         * config/rs6000/netbsd.h (ENDFILE_SPEC): Likewise.
4244
4245 2008-04-30  H.J. Lu  <hongjiu.lu@intel.com>
4246
4247         * config/i386/i386.c (ix86_builtin_type): Add
4248         FLOAT128_FTYPE_FLOAT128_FLOAT128, V16QI_FTYPE_V16QI_V16QI,
4249         V16QI_FTYPE_V8HI_V8HI, V8QI_FTYPE_V8QI_V8QI,
4250         V8QI_FTYPE_V4HI_V4HI, V8HI_FTYPE_V8HI_V8HI,
4251         V8HI_FTYPE_V16QI_V16QI, V8HI_FTYPE_V4SI_V4SI,
4252         V4SI_FTYPE_V4SI_V4SI, V4SI_FTYPE_V8HI_V8HI,
4253         V4SI_FTYPE_V4SF_V4SF, V4SI_FTYPE_V2DF_V2DF,
4254         V4HI_FTYPE_V4HI_V4HI, V4HI_FTYPE_V8QI_V8QI,
4255         V4HI_FTYPE_V2SI_V2SI, V4SF_FTYPE_V4SF_V4SF,
4256         V4SF_FTYPE_V4SF_V4SF_SWAP, V4SF_FTYPE_V4SF_V2SI,
4257         V4SF_FTYPE_V4SF_V2DF, V4SF_FTYPE_V4SF_DI,
4258         V4SF_FTYPE_V4SF_SI, V2DI_FTYPE_V2DI_V2DI,
4259         V2DI_FTYPE_V16QI_V16QI, V2DI_FTYPE_V4SI_V4SI,
4260         V2DI_FTYPE_V2DF_V2DF, V2SI_FTYPE_V2SI_V2SI,
4261         V2SI_FTYPE_V4HI_V4HI, V2SI_FTYPE_V2SF_V2SF,
4262         V2DF_FTYPE_V2DF_V2DF, V2DF_FTYPE_V2DF_V2DF_SWAP,
4263         V2DF_FTYPE_V2DF_V4SF, V2DF_FTYPE_V2DF_DI,
4264         V2DF_FTYPE_V2DF_SI, V2SF_FTYPE_V2SF_V2SF,
4265         V1DI_FTYPE_V1DI_V1DI, V1DI_FTYPE_V8QI_V8QI and
4266         V1DI_FTYPE_V2SI_V2SI.
4267         (bdesc_2arg): Moved to ...
4268         (bdesc_args): Here.
4269         (ix86_init_mmx_sse_builtins): Updated.
4270         (ix86_expand_args_builtin): Updated.  Take a pointer
4271         to const struct builtin_description.  Handle comparison
4272         builtin functions.
4273         (ix86_expand_sse_compare): Take a new argument for swapping operands.
4274         (ix86_expand_builtin): Updated.
4275
4276         * config/i386/sse.md (ssse3_pmaddubswv8hi3): Renamed to ...
4277         (ssse3_pmaddubsw128): This.
4278         (ssse3_pmaddubswv4hi3): Renamed to ...
4279         (ssse3_pmaddubsw): This.
4280
4281         * doc/extend.texi (__builtin_ia32_packsswb128): Correct prototype.
4282         (__builtin_ia32_packssdw128): Likewise.
4283         (__builtin_ia32_packuswb128): Likewise.
4284         (__builtin_ia32_pmaddubsw): Likewise.
4285         (__builtin_ia32_pmaddubsw128): Likewise.
4286
4287 2008-04-30  Richard Guenther  <rguenther@suse.de>
4288
4289         PR tree-optimization/14847
4290         * tree-ssa-ifcombine.c (get_name_for_bit_test): New helper function.
4291         (recognize_bits_test): Use it.
4292         (recognize_single_bit_test): Likewise.
4293
4294 2008-04-30  Martin Jambor  <mjambor@suse.cz>
4295
4296         * ipa-cp.c (ipcp_init_stage): Calls ipa_set_called_with_variable_arg
4297         instead of setting number of formal parameters to zero.
4298         (ipcp_init_stage): Do not set the number of actual parameters to zero 
4299         either.
4300         (ipcp_propagate_stage): Explicitly skipping all calls to nodes
4301         which are called with variable number of arguments.
4302         (ipcp_insert_stage): Explicitely skipping all nodes which are
4303         called with variable number of arguments.
4304         (ipcp_callsite_param_print): Skipps callsites to nodes with varaible 
4305         number of parameters.
4306
4307         * ipa-prop.h (struct ipa_node_params): Added flag
4308         called_with_var_arguments
4309         (ipa_set_param_count): Added.  Changed sole setter to use it.
4310         (ipa_get_param_count): Added.  All readers of param_count
4311         converted to use it instead.
4312         (ipa_set_called_with_variable_arg): Added.
4313         (ipa_is_called_with_var_arguments): Added.
4314         (ipa_get_ith_param): Added.  All readers of param_decls converted
4315         to use it instead.
4316         (ipa_set_cs_argument_count): Added, sole writer to argument_count 
4317         changed to use it. 
4318         (ipa_get_cs_argument_count): Added, all readers of argument_count
4319         changed to cal it.
4320         (ipa_get_ith_jump_func): Added. Accessors of jump values changed 
4321         to use it.
4322         
4323         * ipa-prop.h (struct ipcp_formal): Renamed to ipcp_lattice
4324         (struct ipcp_lattice): Renamed cval_type to type
4325         (struct ipa_node_params): ipcp_cval renamed to ipcp_lattices
4326
4327         * ipa-cp.c (ipcp_cval_get_cvalue): Changed return value to tree
4328         (ipcp_cval_set_cvalue): Changed type of parameter value to tree
4329         (ipcp_insert_stage): Changed the type of variable cvalue to tree
4330         (ipcp_replace_map_create): Changed the type of parameter cvalue to tree
4331         (build_const_val): Changed the type of parameter cvalue to tree
4332         (ipcp_propagate_const): Changed the type of parameter cvalue to tree
4333         (ipcp_method_cval_set_cvalue_type): Renamed parameter cval_type1 to type
4334         
4335         * ipa-prop.h (struct ipcp_formal): Replaced cvalue with tree called 
4336         constant 
4337
4338         * ipa-prop.c (ipa_methodlist_init): Renamed to ipa_init_func_list
4339         (ipa_methodlist_not_empty): Removed, the sole user now checks directly
4340         (ipa_add_method): Renamed to ipa_push_func_to_list
4341         (ipa_remove_method): Renamed to ipa_pop_func_from_list
4342         (ipa_callsite_param_count): Removed.
4343         (ipa_callsite_param_count_set): Removed.
4344         (ipa_callsite_param): Removed.
4345         (ipa_callsite_callee): Removed.
4346         (ipa_callsite_compute_param): Renamed to ipa_compute_jump_functions
4347         (ipa_callsite_compute_count): Renamed to ipa_count_arguments
4348         (ipa_method_formal_count): Removed.
4349         (ipa_method_formal_count_set): Removed.
4350         (ipa_method_get_tree): Removed.
4351         (ipa_method_tree_map_create): Removed.
4352         (ipa_method_compute_tree_map): Renamed to ipa_create_param_decls_array
4353         (ipa_create_param_decls_array): Creates the array itself
4354         (ipa_create_param_decls_array): Temporary variable info instead of 
4355         a few dereferences.
4356         (ipa_method_formal_compute_count): Renamed to ipa_count_formal_params
4357         (ipa_method_compute_modify): Renamed to ipa_detect_param_modifications
4358         (get_type): Removed.
4359         (ipa_jf_get_info_type): Removed.
4360         (ipa_node_create): Renamed to ipa_create_node_params
4361         (ipa_free): Renamed to ipa_free_all_node_params
4362         (ipa_nodes_create): Renamed to ipa_create_all_node_params
4363         (ipa_edges_create): Renamed to ipa_create_all_edge_args
4364         (ipa_edges_free): Renamed to ipa_free_all_edge_args
4365         (ipa_nodes_free): Integrated into ipa_free_all_node_params and removed
4366         (ipa_free_all_node_params): Deallocation to jump_functions moved to 
4367         ipa_free_all_edge_args
4368         (ipa_method_tree_print): Renamed to ipa_print_all_tree_maps
4369         (ipa_method_modify_print): Renamed to ipa_print_all_params_modified
4370         (ipa_create_methodlist_node): Removed.
4371         (ipa_methodlist_method): Removed.
4372         (ipa_methodlist_method_set): Removed.
4373         (ipa_methodlist_next_method): Removed.
4374         (ipa_methodlist_next_method_set): Removed.
4375         (ipa_method_is_modified): Removed.
4376         (ipa_method_modify_create): Removed.
4377         (ipa_method_modify_init): Temporary variable info instead of a few 
4378         dereferences.
4379         (ipa_detect_param_modifications): Temporary variable info instead of 
4380         a few dereferences.
4381         (ipa_compute_jump_functions): Temporary variable info instead of 
4382         a few dereferences.
4383         (ipa_method_modify_set): Removed.
4384         (ipa_method_tree_map): Renamed to ipa_get_param_decl_index
4385         (ipa_get_param_decl_index): Now accepts struct ipa_node_params rather 
4386         than craph_node as the first parameter.
4387         (ipa_method_modify_stmt): Renamed to ipa_check_stmt_modifications
4388         (ipa_method_modify_init): Removed.
4389         (ipa_compute_jump_functions): Added a temp variable instead of 
4390         repeatadly dereferencing the cgraph_edge.aux pointer
4391         (ipa_callsite_param_set_type): Removed.
4392         (ipa_compute_jump_functions): i renamed to index and moved to 
4393         an inner block
4394         (ipa_callsite_param_set_info_type_formal): Removed.
4395         (ipa_callsite_param_set_info_type): Removed.
4396         (ipa_callsite_param_map_create): Removed.
4397         (ipa_callsite_tree): Removed.
4398         (ipa_callsite_caller): Removed.
4399         (ipa_pop_func_from_list): return_method removed to return_func
4400
4401         * ipa-prop.h (enum cvalue_type): Renamed to ipa_lattice_type,
4402         prefixed all values with IPA_. Changed all users.
4403         (enum jump_func_type): Rnamed UNKNOWN_IPATYPE to IPA_UNKNOWN, 
4404         CONST_IPATYPE to IPA_CONST, CONST_IPATYPE_REF to IPA_CONST_REF 
4405         and FORMAL_IPATYPE IPA_PASS_THROUGH. 
4406         (union parameter_info): Renamed to jump_func_value.
4407         (union jump_func_value): Renamed value to constant
4408         (struct ipa_jump_func): Renamed info_type to value
4409         (struct ipa_node): Renamed to ipa_node_params
4410         (struct ipa_node_params): Renamed ipa_arg_num to param_count
4411         (struct ipa_node_params): Renamed ipa_param_tree to param_decls
4412         (struct ipa_node_params): Renamed ipa_mod to modified_flags
4413         (struct ipa_edge): Renamed to ipa_edge_args
4414         (struct ipa_edge_args): Renamed ipa_param_num to argument_count
4415         (struct ipa_edge_args): Renamed ipa_param_map to jump_functions
4416         (struct ipa_methodlist): Renamed to ipa_func_list
4417         (struct ipa_func_list): method_p renamed to node, next_method
4418         renamed to next
4419         (ipa_methodlist_p): Removed, switched all users to struct pointer
4420         (IS_VALID_TREE_MAP_INDEX): Renamed to IS_VALID_JUMP_FUNC_INDEX
4421
4422 2008-04-30  Alan Modra  <amodra@bigpond.net.au>
4423
4424         * config/rs6000/rs6000.c (ALWAYS_RESTORE_ALTIVEC_BEFORE_POP): Define.
4425         (rs6000_emit_epilogue): Use backchain to restore only when we
4426         have a large frame.  Make use of frame pointer to restore if we
4427         have one.  Handle ALWAYS_RESTORE_ALTIVEC_BEFORE_POP.
4428
4429 2008-04-29  Paolo Bonzini  <bonzini@gnu.org>
4430
4431         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
4432         Add mode to zero_extract.
4433         (sign bit tests peepholes): (Ditto.).
4434
4435 2008-04-29  H.J. Lu  <hongjiu.lu@intel.com>
4436
4437         * config/i386/i386.c (ix86_builtins): Replace Prescott New
4438         Instructions in comments with SSE3.
4439         (ix86_builtin_type): This.  Add FLOAT128_FTYPE_FLOAT128,
4440         INT64_FTYPE_V4SF, INT64_FTYPE_V2DF, INT_FTYPE_V16QI,
4441         INT_FTYPE_V8QI, INT_FTYPE_V4SF, INT_FTYPE_V2DF,
4442         V16QI_FTYPE_V16QI, V8HI_FTYPE_V8HI, V8HI_FTYPE_V16QI,
4443         V8QI_FTYPE_V8QI, V4SI_FTYPE_V4SI, V4SI_FTYPE_V16QI,
4444         V4SI_FTYPE_V4SF, V4SI_FTYPE_V8HI, V4SI_FTYPE_V2DF,
4445         V4HI_FTYPE_V4HI, V4SF_FTYPE_V4SF, V4SF_FTYPE_V4SI,
4446         V4SF_FTYPE_V2DF, V2DI_FTYPE_V2DI, V2DI_FTYPE_V16QI,
4447         V2DI_FTYPE_V8HI, V2DI_FTYPE_V4SI, V2DF_FTYPE_V2DF,
4448         V2DF_FTYPE_V4SI, V2DF_FTYPE_V4SF, V2DF_FTYPE_V2SI,
4449         V2SI_FTYPE_V2SI, V2SI_FTYPE_V4SF, V2SI_FTYPE_V2SF,
4450         V2SI_FTYPE_V2DF, V2SF_FTYPE_V2SF and V2SF_FTYPE_V2SI.
4451         (bdesc_sse_args): Renamed to ...
4452         (bdesc_args): This.  Add IX86_BUILTIN_PF2ID, IX86_BUILTIN_PFRCP,
4453         IX86_BUILTIN_PFRSQRT, IX86_BUILTIN_PI2FD, IX86_BUILTIN_PF2IW,
4454         IX86_BUILTIN_PSWAPDSI, IX86_BUILTIN_PSWAPDSF and
4455         IX86_BUILTIN_FABSQ.
4456         (bdesc_1arg): Moved to ...
4457         (bdesc_args): Here.
4458         (ix86_init_mmx_sse_builtins): Updated.  Replace Prescott New
4459         Instructions in comments with SSE3.
4460         (ix86_expand_sse_operands_builtin): Renamed to ...
4461         (ix86_expand_args_builtin): This.  Updated.
4462         (ix86_expand_unop1_builtin): Update comments.
4463         (ix86_expand_builtin): Updated.
4464
4465 2008-04-29  Richard Guenther  <rguenther@suse.de>
4466
4467         PR tree-optimization/36078
4468         * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely):
4469         Update virtual SSA form after cleaning up the CFG.
4470
4471 2008-04-29  Richard Guenther  <rguenther@suse.de>
4472
4473         PR middle-end/15255
4474         * fold-const.c (fold_binary): Fold (A + A) * C to A * 2*C.
4475
4476 2008-04-29  Richard Guenther  <rguenther@suse.de>
4477
4478         * tree-ssa-alias.c (finalize_ref_all_pointers): Remove.
4479         (compute_may_aliases): Do not call finalize_ref_all_pointers.
4480         (compute_flow_insensitive_aliasing): Do not treat
4481         PTR_IS_REF_ALL pointers special.
4482         (get_smt_for): Likewise.
4483         (may_alias_p): Re-structure.
4484         (is_escape_site): A ref-all pointer conversion is not an escape site.
4485         * tree-ssa-structalias.c (find_what_p_points_to): Do not treat
4486         PTR_IS_REF_ALL pointers special.
4487         * tree-ssa-structalias.h (struct alias_info): Remove
4488         ref_all_symbol_mem_tag field.
4489         (PTR_IS_REF_ALL): Remove.
4490
4491 2008-04-29  Richard Guenther  <rguenther@suse.de>
4492
4493         PR middle-end/36077
4494         * fold-const.c (extract_muldiv_1): In combining division constants
4495         make sure to never overflow.
4496
4497 2008-04-29  Nick Clifton  <nickc@redhat.com>
4498
4499         * doc/tm.texi (RETURN_ADDR_RTX): Fix typo.
4500
4501 2008-04-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4502
4503         PR bootstrap/35169
4504         * optc-gen.awk: Work around HP-UX/IA awk bug.
4505
4506 2008-04-28  Danny Smith  <dannysmith@users.sourceforge.net>
4507
4508         * config/i386/cygming-crtend.c (register_frame_ctor): Revert my
4509         2008-04-25 commit.
4510
4511 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
4512
4513         PR target/36073
4514         * config/i386/i386.md
4515         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit):
4516         Change operand 1 predicate to nonimmediate_operand.
4517
4518 2008-04-28  Jakub Jelinek  <jakub@redhat.com>
4519
4520         PR debug/36060
4521         * dwarf2out.c (struct die_struct): Mark as chain_circular through
4522         die_sub field.
4523         * gengtype.c (walk_type, write_func_for_structure): Handle
4524         chain_circular.
4525         * doc/gty.texi: Document chain_circular.
4526
4527 2008-04-28  Richard Guenther  <rguenther@suse.de>
4528
4529         PR tree-optimization/36066
4530         * tree-vrp.c (execute_vrp): Cleanup the CFG only after finalizing
4531         SCEV and loop.
4532
4533 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
4534
4535         PR target/36064
4536         * config/i386/i386.md
4537         (floatdi<X87MODEF:mode>2_i387_with_xmm splitters):
4538         Use match_scratch instead of match_operand for operands 3 and 4.
4539
4540 2008-04-27  Richard Guenther  <rguenther@suse.de>
4541
4542         PR tree-optimization/18754
4543         PR tree-optimization/34223
4544         * tree-pass.h (pass_complete_unrolli): Declare.
4545         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Print
4546         loop size before and after unconditionally of UL_NO_GROWTH in effect.
4547         Rewrite loop into loop closed SSA form if it is not already.
4548         (tree_unroll_loops_completely): Re-structure to iterate over
4549         innermost loops with intermediate CFG cleanups.
4550         Unroll outermost loops only if requested or the code does not grow
4551         doing so.
4552         * tree-ssa-loop.c (gate_tree_vectorize): Don't shortcut if no
4553         loops are available.
4554         (tree_vectorize): Instead do so here.
4555         (tree_complete_unroll): Also unroll outermost loops.
4556         (tree_complete_unroll_inner): New function.
4557         (gate_tree_complete_unroll_inner): Likewise.
4558         (pass_complete_unrolli): New pass.
4559         * tree-ssa-loop-manip.c (find_uses_to_rename_use): Only record
4560         uses outside of the loop.
4561         (tree_duplicate_loop_to_header_edge): Only verify loop-closed SSA
4562         form if it is available.  
4563         * tree-flow.h (tree_unroll_loops_completely): Add extra parameter.
4564         * passes.c (init_optimization_passes): Schedule complete inner
4565         loop unrolling pass before the first CCP pass after final inlining.
4566
4567 2008-04-27  Nathan Sidwell  <nathan@codesourcery.com>
4568
4569         * targhooks.h (default_emutls_var_fields,
4570         default_emutls_var_init): Declare.
4571         * tree.h (DECL_THREAD_LOCAL): Compare against TLS_MODEL_REAL.
4572         * target.h (struct gcc_target): Add struct emutls member.
4573         * target-def.h (TARGET_EMUTLS_GET_ADDRESS,
4574         TARGET_EMUTLS_REGISTER_COMMON, TARGET_EMUTLS_VAR_SECTION,
4575         TARGET_EMUTLS_TMPL_SECTION, TARGET_EMUTLS_VAR_PREFIX,
4576         TARGET_EMUTLS_TMPL_PREFIX, TARGET_EMUTLS_VAR_FIELDS,
4577         TARGET_EMUTLS_VAR_INIT, TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS,
4578         TARGET_EMUTLS_VAR_ALIGN_FIXED, TARGET_EMUTLS): New.
4579         (TARGET_INITIALIZER): Add TARGET_EMUTLS.
4580         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS,
4581         BUILT_IN_EMUTLS_REGISTER_COMMON): Get name from targetm structure.
4582         * dwarf2out.c (loc_descriptor_from_tree_1): Check if emutls can
4583         emit debug information.
4584         * coretypes.h (tls_model): Add TLS_MODEL_EMULATED, TLS_MODEL_REAL.
4585         * varasm.c: Include targhooks.h.
4586         (emutls_object_section, emutls_tmpl_section): New.
4587         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): Remove.
4588         (EMUTLS_SEPARATOR): New.
4589         (prefix_name): New.
4590         (get_emutls_object_name): New.
4591         (default_emutls_var_fields): New, broken out of ...
4592         (get_emutls_object_type): ... here.  Adjust to use target hooks.
4593         (get_emutls_init_templ_addr): Adjust to use target hooks.
4594         (emutls_decl): Adjust to use target hooks.
4595         (emutls_finish): Likewise.
4596         (default_emutls_var_init): New, broken out of ...
4597         (assemble_variable): ... here.  Adjust to use target hooks.
4598         * output.h (enum section_category): Add SECCAT_EMUTLS_VAR,
4599         SECCAT_EMUTLS_TMPL.
4600         * c-common.c (handle_section_attribute): Prevent overriding
4601         sections for emulated tls with special sections.
4602         * config/i386/i386.c (x86_64_elf_select_section): Add
4603         SECCAT_EMUTLS_VAR and SECCAT_EMUTLS_TMPL.
4604         (x86_64_elf_unique_section): Likewise.
4605         * config/vxworks.c: Include tree.h.
4606         (vxworks_emutls_var_fields, vxworks_emutls_var_init): New.
4607         (vxworks_override_options): Set TLS scheme.
4608         * doc/tm.texi (Emulated TLS): New node.
4609
4610 2008-04-26  Simon Baldwin <simonb@google.com>
4611
4612         PR c/35652
4613         * builtins.c (c_strlen): Suppressed multiple warnings that can occur
4614         with propagated string constants.
4615
4616 2008-04-26  Uros Bizjak  <ubizjak@gmail.com>
4617
4618         * config/i386/i386.md (fix_trunc<mode>_i387_fisttp_with_temp): Use 'X'
4619         constraint for operand 2 when operand 0 is memory operand.
4620         (fix_truncdi_i387_with_temp): : Use 'X' constraint for operand 4 when
4621         operand 0 is memory operand.
4622         (fix_trunc<mode>_i387_with_temp): Ditto.
4623         (*floatsi<mode>2_vector_mixed_with_temp): Use 'X' constraint for
4624         operand 2 when operand 1 is memory operand.
4625         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_with_temp): Ditto.
4626         (*floatsi<mode>2_vector_sse_with_temp): Ditto.
4627         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_with_temp): Ditto.
4628         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
4629         (floatdi<X87MODEF:mode>2_i387_with_xmm): Use 'X' constraint for
4630         operands 2,3 and 4 when operand 1 is memory operand.
4631         (fistdi2_with_temp): Use 'X' constraint for operand 2 when operand 0
4632         is memory operand.
4633         (fistdi2_floor_with_temp): Ditto.
4634         (fist<mode>2_floor_with_temp): Ditto.
4635         (fistdi2_ceil_with_temp): Ditto.
4636         (fist<mode>2_ceil_with_temp): Ditto.
4637         (*truncdfsf_fast_mixed): Merge alternatives 0 and 1.
4638
4639 2008-04-26  David Daney  <ddaney@avtrex.com>
4640
4641         * config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP_12): New
4642         unspec_volitile.
4643         (UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE,
4644         UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
4645         UNSPEC_UPDATE_GOT_VERSION): Renumber.
4646         (sync_compare_and_swap<mode>): New expand for QI and HI modes.
4647         (compare_and_swap_12): New insn.
4648         * config/mips/mips-protos.h (mips_expand_compare_and_swap_12): Declare.
4649         * config/mips/mips.c (mips_force_binary): New function.
4650         (mips_emit_int_order_test, mips_expand_synci_loop): Use it.
4651         (mips_expand_compare_and_swap_12): New function.
4652         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): New macro.
4653
4654 2008-04-25  Jan Hubicka  <jh@suse.cz>
4655
4656         PR testsuite/35843
4657         * cfgexpand.c (pass_expand): Turn into RTL pass.
4658         * passes.c (execute_one_pass): Do pass typechecking after execution.
4659         * tree-pass.h (pass_expand): Turn into RTL pass.
4660
4661         * function.h (struct rtl_data): Move here fields
4662         accesses_prior_frames, calls_eh_return, saves_all_registers,
4663         has_nonlocal_goto, has_asm_statement, is_thunk,
4664         all_throwers_are_sibcalls, limit_stack, profile, uses_const_pool,
4665         uses_pic_offset_table, uses_eh_lsda, tail_call_emit,
4666         arg_pointer_save_area_init from struct function; turn into bool.
4667         (struct function): Move
4668         calls_eh_return, saves_all_registers, has_nonlocal_goto,
4669         has_asm_statement, is_thunk, all_throwers_are_sibcalls, limit_stack,
4670         profile, uses_const_pool, uses_pic_offset_table, uses_eh_lsda,
4671         tail_call_emit, arg_pointer_save_area_init
4672         into struct rtl_data.  Remove recursive_call_emit and gimplified flags.
4673         (current_function_returns_struct, current_function_returns_pcc_struct,
4674         current_function_calls_setjmp, current_function_calls_alloca,
4675         current_function_accesses_prior_frames,
4676         current_function_calls_eh_return, current_function_is_thunk,
4677         current_function_stdarg, current_function_profile,
4678         current_function_limit_stack, current_function_uses_pic_offset_table,
4679         current_function_uses_const_pool, current_function_has_nonlocal_label,
4680         current_function_saves_all_registers,
4681         current_function_has_nonlocal_goto,
4682         current_function_has_asm_statement): Remove accesor macros.
4683         * ra-conflict.c (global_conflicts): Update.
4684         * tree-tailcall.c (suitable_for_tail_opt_p): Update.
4685         (suitable_for_tail_call_opt_p): Update.
4686         * builtins.c (expand_builtin_return_addr): Update.
4687         (expand_builtin_setjmp_setup): Update.
4688         (expand_builtin_nonlocal_goto): Update.
4689         * final.c (final_start_function): Update.
4690         (profile_function): Update.
4691         (leaf_function_p): Update.
4692         (only_leaf_regs_used): Update.
4693         * df-scan.c (df_get_exit_block_use_set): Update.
4694         * dojump.c (clear_pending_stack_adjust): Update.
4695         * tree-stdarg.c (gate_optimize_stdarg): Update.
4696         * gimple-low.c (lower_function_body): Update.
4697         * global.c (compute_regsets): Update.
4698         (global_alloc): Update.
4699         * dwarf2out.c (dwarf2out_begin_prologue): Update.
4700         * expr.c (expand_assignment): Update.
4701         * dse.c (dse_step0): Update.
4702         (dse_step1): Update.
4703         * c-decl.c (store_parm_decls): Update.
4704         * local-alloc.c (combine_regs): Update.
4705         (find_free_reg): Update.
4706         * function.c (assign_parms_augmented_arg_list): Update.
4707         (assign_parm_find_data_types): Update.
4708         (assign_parms): Update.
4709         (allocate_struct_function): Update.
4710         (expand_function_start): Update.
4711         (expand_function_end): Update.
4712         (get_arg_pointer_save_area): Update.
4713         (thread_prologue_and_epilogue_insns): Update.
4714         (rest_of_match_asm_constraints): Update.
4715         * stor-layout.c (variable_size): Update.
4716         * gcse.c (gcse_main): Update.
4717         (bypass_jumps): Update.
4718         * gimplify.c (gimplify_function_tree): Update.
4719         * calls.c (emit_call_1): Update.
4720         (expand_call): Update.
4721         * bt-load.c (compute_defs_uses_and_gen): Update.
4722         * except.c (sjlj_assign_call_site_values): Update.
4723         (sjlj_emit_function_enter): Update.
4724         (can_throw_external): Update.
4725         (set_nothrow_function_flags): Update.
4726         (expand_builtin_unwind_init): Update.
4727         (expand_eh_return): Update.
4728         (convert_to_eh_region_ranges): Update.
4729         (output_function_exception_table): Update.
4730         * emit-rtl.c (gen_tmp_stack_mem): Update.
4731         * cfgexpand.c (expand_used_vars): Update.
4732         (tree_expand_cfg): Update.
4733         * cfgcleanup.c (rest_of_handle_jump): Update.
4734         * explow.c (allocate_dynamic_stack_space): Update.
4735         * varasm.c (assemble_start_function): Update.
4736         (force_const_mem): Update.
4737         (mark_constant_pool): Update.
4738         * tree-optimize.c (tree_rest_of_compilation): Update.
4739         * stack-ptr-mod.c (notice_stack_pointer_modification): Update.
4740         * tree-cfg.c (notice_special_calls): Update.
4741         (is_ctrl_altering_stmt): Update.
4742         (tree_can_make_abnormal_goto): Update.
4743         (tree_purge_dead_abnormal_call_edges): Update.
4744         * config/alpha/predicates.md: Update.
4745         * config/alpha/alpha.c (alpha_sa_mask): Update.
4746         (alpha_sa_size): Update.
4747         (alpha_does_function_need_gp): Update.
4748         (alpha_expand_prologue): Update.
4749         (alpha_start_function): Update.
4750         (alpha_output_function_end_prologue): Update.
4751         (alpha_expand_epilogue): Update.
4752         * config/frv/frv.c (frv_stack_info): Update.
4753         (frv_expand_epilogue): Update.
4754         * config/s390/s390.c (s390_regs_ever_clobbered): Update.
4755         (s390_register_info): Update.
4756         (s390_frame_info): Update.
4757         (s390_init_frame_layout): Update.
4758         (s390_can_eliminate): Update.
4759         (save_gprs): Update.
4760         * config/spu/spu.c (spu_split_immediate): Update.
4761         (need_to_save_reg): Update.
4762         (spu_expand_prologue): Update.
4763         (spu_expand_epilogue): Update.
4764         * config/sparc/sparc.md: Update.
4765         * config/sparc/sparc.c (eligible_for_return_delay): Update.
4766         (sparc_tls_got): Update.
4767         (legitimize_pic_address): Update.
4768         (sparc_emit_call_insn): Update.
4769         (sparc_expand_prologue): Update.
4770         (output_return): Update.
4771         (print_operand): Update.
4772         (sparc_function_ok_for_sibcall): Update.
4773         * config/sparc/sparc.h (EXIT_IGNORE_STACK): Update.
4774         * config/m32r/m32r.md: Update.
4775         * config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Update.
4776         (m32r_compute_frame_size): Update.
4777         (m32r_expand_prologue): Update.
4778         (m32r_expand_epilogue): Update.
4779         (m32r_legitimize_pic_address): Update.
4780         * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Update.
4781         * config/i386/linux.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
4782         * config/i386/i386.c (ix86_frame_pointer_required): Update.
4783         (gen_push): Update.
4784         (ix86_save_reg): Update.
4785         (ix86_compute_frame_layout): Update.
4786         (ix86_expand_prologue): Update.
4787         (ix86_expand_epilogue): Update.
4788         * config/sh/sh.c (output_stack_adjust): Update.
4789         (calc_live_regs): Update.
4790         (sh5_schedule_saves): Update.
4791         (sh_expand_prologue): Update.
4792         (sh_expand_epilogue): Update.
4793         (sh_setup_incoming_varargs): Update.
4794         (sh_allocate_initial_value): Update.
4795         (sh_get_pr_initial_val): Update.
4796         * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Update.
4797         * config/sh/sh.md (label:): Update.
4798         * config/avr/avr.c (out_movhi_mr_r): Update.
4799         * config/crx/crx.h (enum): Update.
4800         * config/xtensa/xtensa.h (along): Update.
4801         * config/stormy16/stormy16.c Update.
4802         (xstormy16_compute_stack_layout): Update.
4803         * config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Update.
4804         (fr30_expand_prologue): Update.
4805         * config/cris/cris.c (cris_conditional_register_usage): Update.
4806         (cris_reg_saved_in_regsave_area): Update.
4807         (cris_initial_frame_pointer_offset): Update.
4808         (cris_simple_epilogue): Update.
4809         (cris_expand_prologue): Update.
4810         (cris_expand_epilogue): Update.
4811         (cris_expand_pic_call_address): Update.
4812         (cris_asm_output_symbol_ref): Update.
4813         (cris_asm_output_label_ref): Update.
4814         * config/cris/cris.md Update.
4815         * config/iq2000/iq2000.c (compute_frame_size): Update.
4816         (iq2000_expand_epilogue): Update.
4817         * config/mt/mt.h (save_direction): Update.
4818         * config/mn10300/mn10300.c (mn10300_function_value): Update.
4819         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
4820         (ia64_secondary_reload_class): Update.
4821         * config/m68k/m68k.c (m68k_save_reg): Update.
4822         (m68k_expand_prologue): Update.
4823         (m68k_expand_epilogue): Update.
4824         (legitimize_pic_address): Update.
4825         * config/rs6000/rs6000.c (rs6000_got_register): Update.
4826         (first_reg_to_save): Update.
4827         (first_altivec_reg_to_save): Update.
4828         (compute_vrsave_mask): Update.
4829         (compute_save_world_info): Update.
4830         (rs6000_stack_info): Update.
4831         (spe_func_has_64bit_regs_p): Update.
4832         (rs6000_ra_ever_killed): Update.
4833         (rs6000_emit_eh_reg_restore): Update.
4834         (rs6000_emit_allocate_stack): Update.
4835         (rs6000_emit_prologue): Update.
4836         (rs6000_emit_epilogue): Update.
4837         (rs6000_output_function_epilogue): Update.
4838         (output_profile_hook): Update.
4839         (rs6000_elf_declare_function_name): Update.
4840         * config/rs6000/rs6000.h (rs6000_args): Update.
4841         * config/rs6000/rs6000.md: Update.
4842         * config/mcore/mcore.c (mcore_expand_prolog): Update.
4843         * config/arc/arc.c (arc_output_function_epilogue): Update.
4844         * config/arc/arc.h (FRAME_POINTER_REQUIRED): Update.
4845         * config/darwin.c (machopic_function_base_name): Update.
4846         * config/score/score3.c (score3_compute_frame_size): Update.
4847         (rpush): Update.
4848         (rpop): Update.
4849         (score3_epilogue): Update.
4850         * config/score/score7.c (score7_compute_frame_size): Update.
4851         (score7_prologue): Update.
4852         (score7_epilogue): Update.
4853         * config/score/score.h (FRAME_POINTER_REQUIRED): Update.
4854         * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
4855         * config/arm/arm.c (use_return_insn): Update.
4856         (require_pic_register): Update.
4857         (arm_load_pic_register): Update.
4858         (arm_compute_save_reg0_reg12_mask): Update.
4859         (arm_compute_save_reg_mask): Update.
4860         (thumb1_compute_save_reg_mask): Update.
4861         (output_return_instruction): Update.
4862         (arm_output_function_prologue): Update.
4863         (arm_output_epilogue): Update.
4864         (arm_get_frame_offsets): Update.
4865         (arm_expand_prologue): Update.
4866         (thumb_pushpop): Update.
4867         (thumb_exit): Update.
4868         (thumb1_expand_prologue): Update.
4869         (thumb1_expand_epilogue): Update.
4870         (arm_unwind_emit): Update.
4871         (arm_output_fn_unwind): Update.
4872         * config/arm/arm.h (FRAME_POINTER_REQUIRED): Update.
4873         * config/arm/arm.md: Update.
4874         * config/pa/pa.md: Update.
4875         * config/pa/pa.c (legitimize_pic_address): Update.
4876         (compute_frame_size): Update.
4877         (hppa_expand_prologue): Update.
4878         (hppa_expand_epilogue): Update.
4879         (borx_reg_operand): Update.
4880         * config/pa/pa.h (FRAME_POINTER_REQUIRED): Update.
4881         (HARD_REGNO_RENAME_OK): Update.
4882         * config/mips/mips.c (mips_global_pointer): Update.
4883         (mips_save_reg_p): Update.
4884         (mips_compute_frame_info): Update.
4885         (mips_frame_pointer_required): Update.
4886         (mips_expand_prologue): Update.
4887         (mips_expand_epilogue): Update.
4888         (mips_can_use_return_insn): Update.
4889         (mips_reorg_process_insns): Update.
4890         * config/v850/v850.c (compute_register_save_size): Update.
4891         * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Update.
4892         * config/mmix/mmix.c (along): Update.
4893         (mmix_expand_epilogue): Update.
4894         * config/bfin/bfin.c (legitimize_pic_address): Update.
4895         (must_save_p): Update.
4896         (stack_frame_needed_p): Update.
4897         (add_to_reg): Update.
4898         (bfin_expand_prologue): Update.
4899         * stmt.c (expand_asm_operands): Update.
4900         * reload1.c (reload): Update.
4901         (init_elim_table): Update.
4902
4903 2008-04-25  Bob Wilson  <bob.wilson@acm.org>
4904         
4905         * optabs.c (expand_float): Fix REG_EQUAL for UNSIGNED_FLOAT libcall.
4906         
4907 2008-04-25  H.J. Lu  <hongjiu.lu@intel.com>
4908
4909         * config/i386/sse.md (mov<mode>): Replace SSEMODEI with SSEMODE.
4910         (*mov<mode>_internal): Likewise.  Support V4SF and V2DF.
4911         (mov<mode>): Removed.
4912         (*movv4sf_internal): Likewise.
4913         (*movv2df_internal): Likewise.
4914
4915 2008-04-25  Pompapathi V Gadad <Pompapathi.V.Gadad@nsc.com>
4916
4917         * config.gcc (crx-*-elf): Remove deprecation.
4918
4919 2008-04-25  Danny Smith  <dannysmith@users.sourceforge.net>
4920
4921         * config/i386/cygming-crtend.c (register_frame_ctor): Register
4922         __gcc_deregister_frame with atexit.
4923         (deregister_frame_dtor): Remove.
4924
4925 2008-04-24  Nathan Froyd  <froydnj@codesourcery.com>
4926             Nathan Sidwell  <nathan@codesourcery.com>
4927
4928         * config/rs6000/rs6000.opt (mspe): Remove Var property.
4929         (misel): Likewise.
4930         * config/rs6000/rs6000.h (rs6000_spe): Declare.
4931         (rs6000_isel): Likewise.
4932         * config/rs6000/rs6000.c (rs6000_spe): New variable.
4933         (rs6000_isel): New variable.
4934         (rs6000_handle_option): Handle OPT_mspe and OPT_misel.
4935
4936 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
4937
4938         PR c++/35758
4939         * c-common.c (handle_vector_size_attribute): Call
4940         lang_hooks.types.reconstruct_complex_type instead of
4941         reconstruct_complex_type.
4942         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Likewise.
4943         * config/spu/spu.c (spu_handle_vector_attribute): Likewise.
4944         * langhooks.h (struct lang_hooks_for_types): Add
4945         reconstruct_complex_type hook.
4946         * langhooks-def.h (LANG_HOOKS_RECONSTRUCT_COMPLEX_TYPE): Define.
4947         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add it.
4948
4949 2008-04-24  Richard Guenther  <rguenther@suse.de>
4950
4951         * c-common.h (check_builtin_function_arguments): Declare.
4952         * c-common.c (validate_nargs): New function.
4953         (check_builtin_function_arguments): Likewise.
4954         * c-typeck.c (build_function_call): Call
4955         check_builtin_function_arguments.
4956         * builtins.c (fold_builtin_classify): Remove error reporting code.
4957         (fold_builtin_unordered_cmp): Likewise.
4958         (fold_builtin_1): Likewise.
4959         (fold_builtin_n): Likewise.
4960
4961 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
4962
4963         PR tree-optimization/36008
4964         * fold-const.c (try_move_mult_to_index): If s == NULL, divide
4965         the original op1, rather than delta by step.
4966
4967 2008-04-22  Antoniu Pop  <antoniu.pop@gmail.com>
4968             Sebastian Pop  <sebastian.pop@amd.com>
4969
4970         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
4971         eliminate_local_variables_stmt, eliminate_local_variables,
4972         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
4973         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
4974         of code delimited by two edges in the CFG.
4975         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
4976         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
4977         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate 
4978         the case of parallelisation of reductions.
4979         (expr_invariant_in_region_p): New.
4980
4981         * tree-flow.h (gather_blocks_in_sese_region): Declared.
4982         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
4983
4984 2008-04-24  Ira Rosen  <irar@il.ibm.com>
4985             Richard Guenther  <rguenther@suse.de>
4986
4987         PR tree-optimization/36034
4988         * tree-vect-analyze.c (vect_analyze_group_access): SLP is
4989         incapable of dealing with loads with gaps.
4990
4991 2008-04-24  Rafael Espindola  <espindola@google.com>
4992
4993         * tree-flow.h (vrp_evaluate_conditional): Change signature.
4994         * tree-ssa-propagate.c (fold_predicate_in): Update call to
4995         vrp_evaluate_conditional.
4996         * tree-vrp.c (vrp_evaluate_conditional_warnv): Remove.
4997         (vrp_evaluate_conditional): Split the cond argument.
4998         (vrp_visit_cond_stmt): Use vrp_evaluate_conditional_warnv_with_ops.
4999         (simplify_stmt_for_jump_threading): Update call to
5000         vrp_evaluate_conditional.
5001
5002 2008-04-24  Ira Rosen  <irar@il.ibm.com>
5003
5004         PR tree-optimization/35982
5005         * tree-vect-analyze.c (vect_check_interleaving): Check that the
5006         interleaved data-refs are of the same type.
5007
5008 2008-04-24  Danny Smith  <dannysmith@users.net>
5009
5010         * c-format.c (check_format_info_main): Use strncmp rather than a
5011         magic prefix to handle multichar length specs.
5012         * config/i386/msformat-c.c (format_length_info ms_printf_length_specs):
5013         Don't prefix "I64" and "I32" with '\0'.
5014
5015 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
5016
5017         PR target/36015
5018         * config/i386/i386.c (init_cumulative_args): Don't pass anything
5019         in registers for -m32 only if stdarg_p (fntype).
5020
5021 2008-04-24  Uros Bizjak  <ubizjak@gmail.com>
5022
5023         PR rtl-optimization/36006
5024         * expmed.c (store_fixed_bit_field): Copy op0 rtx before moving
5025         temp to op0 in order to avoid invalid rtx sharing.
5026
5027 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
5028
5029         * tree-cfg.c (verify_expr): Check with is_gimple_address.  Don't
5030         check TREE_INVARIANT.
5031         * tree-gimple.c (is_gimple_address): New.
5032         (is_gimple_invariant_address): Simplify using decl_address_invariant_p.
5033         * tree-gimple.h (is_gimple_address): New.
5034         * tree.h (decl_address_invariant_p): New.
5035         * tree.c (make_node_stat): Don't set TREE_INVARIANT.
5036         (build_string): Likewise.
5037         (decl_address_invariant_p): New, from is_gimple_invariant_address.
5038         (tree_invariant_p_1): Likewise.
5039         (save_expr): Use it.
5040         (tree_invariant_p): New.
5041         (skip_simple_arithmetic): Use it.
5042         (stabilize_reference_1): Use it.
5043         (recompute_tree_invariant_for_addr_expr): Don't update TREE_INVARIANT,
5044         simplify.
5045         (build1_stat): Drop code to compute TREE_INVARIANT.
5046         (build2_stat): Drop code to compute TREE_INVARIANT.
5047         (build3_stat): Drop code to compute TREE_INVARIANT.
5048         (build4_stat): Drop code to compute TREE_INVARIANT.
5049         (build5_stat): Drop code to compute TREE_INVARIANT.
5050         (build7_stat): Drop code to compute TREE_INVARIANT.
5051         (merge_dllimport_decl_attributes): Don't mention TREE_INVARIANT.
5052         * tree.h (struct tree_base): Remove invariant_flag.
5053         (TREE_INVARIANT): Remove.
5054         * builtins.c (build_string_literal): Don't set TREE_INVARIANT.
5055         (fold_builtin_expect): Check TREE_CONSTANT.
5056         * tree-ssa-ccp.c (fold_stmt_r): Adjust comment.
5057         * c-tree.h (c_expr_to_decl): Drop third parameter.
5058         * c-typeck.c (build_external_ref): Don't set TREE_INVARIANT.
5059         (build_c_cast): Don't set TREE_INVARIANT.
5060         (pop_init_level): Don't set TREE_INVARIANT.
5061         (c_objc_common_truthvalue_conversion): Don't set TREE_INVARIANT.
5062         * gimplify.c (gimplify_init_ctor_preeval): Add assertion, test
5063         TREE_CONSTANT.
5064         (gimplify_init_constructor): Don't set TREE_INVARIANT.
5065         (gimplify_addr_expr): Adjust comment.
5066         * tree-mudflap.c (mf_build_string):
5067         * print-tree.c (print_node): Don't print TREE_INVARIANT.
5068         * tree-nested.c (convert_nonlocal_reference): Adjust comment.
5069         * c-common.c (fix_string_type): Don't set TREE_INVARIANT.
5070         * langhooks-def.h (lhd_expr_to_decl): Drop third parameter.
5071         * langhooks.c (lhd_expr_to_decl): Drop third parameter.
5072         * langhooks.h (struct lang_hooks): Drop third parameter from
5073         expr_to_decl.
5074
5075 2008-04-23  Richard Guenther  <rguenther@suse.de>
5076
5077         PR tree-optimization/27799
5078         PR tree-optimization/32921
5079         PR tree-optimization/32624
5080         * tree-ssa-structalias.c (merge_smts_into): Only merge the
5081         SMTs aliases and the tag itself into the solution.
5082         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Do not
5083         merge the points-to solution back into the SMT aliases.
5084         (may_alias_p): Use alias_set_subset_of instead of
5085         aliases_conflict_p.  A pointer which points to
5086         memory with alias set zero may access any variable.
5087
5088 2008-04-23  Richard Guenther  <rguenther@suse.de>
5089
5090         * alias.c (alias_set_subset_of): Correctly handle asking
5091         if zero is a subset of an alias set with zero child.
5092         * tree-ssa-alias.c (have_common_aliases_p): Simplify logic.
5093         (compute_flow_insensitive_aliasing): Correctly walk all
5094         pointers.  Do not unnecessarily union sets.
5095
5096 2008-04-23  Richard Guenther  <rguenther@suse.de>
5097
5098         PR middle-end/36021
5099         * c-common.c (handle_alloc_size_attribute): Use type_num_arguments.
5100
5101 2008-04-22  Tomas Bily  <tbily@suse.cz>
5102
5103         * tree-cfg.c (verify_expr): Check for NON_LVALUE_EXPR as
5104         unreachable case.
5105         * tree-vrp.c (extract_range_from_unary_expr): Removed unused
5106         NON_LVALUE_EXPR.
5107         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
5108         * tree-ssa-structalias.c (get_constraint_for): Likewise.
5109         * tree-inline.c (estimate_num_insns_1): Likewise.
5110         * varasm.c (const_hash_1, compare_constant, copy_constant)
5111         (compute_reloc_for_constant, output_addressed_constants): Likewise.
5112         * emit-rtl.c (component_ref_for_mem_expr)
5113         (set_mem_attributes_minus_bitpos): Likewise.
5114         * expr.c (highest_pow2_factor, expand_expr_real_1, )
5115         (is_aligning_offset): Likewise.
5116         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info): Likewise.
5117         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
5118         * dojump.c (do_jump): Likewise.
5119         * builtins.c (get_pointer_alignment, get_memory_rtx)
5120         (integer_valued_real_p, fold_builtin_next_arg): Likewise.
5121         * tree-scalar-evolution.c (instantiate_parameters_1): Likewise.
5122
5123 2008-04-23  Jakub Jelinek  <jakub@redhat.com>
5124
5125         PR rtl-optimization/36017
5126         * builtins.c (expand_errno_check): Clear CALL_EXPR_TAILCALL before
5127         expanding the library call.
5128
5129 2008-04-22  Ian Lance Taylor  <iant@google.com>
5130
5131         * fold-const.c (pointer_may_wrap_p): Call int_size_in_bytes rather
5132         than size_in_bytes.
5133
5134 2008-04-22  Pat Haugen  <pthaugen@us.ibm.com>
5135
5136         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase cost
5137         of LR/CTR moves for Power6.
5138
5139 2008-04-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
5140
5141         PR middle-end/36003
5142         * passes.c (init_optimization_passes): Remove
5143         pass_fast_rtl_byte_dce.
5144         
5145 2008-04-22  Uros Bizjak  <ubizjak@gmail.com>
5146
5147         PR target/29096
5148         * config/i386/xmmintrin.h (_mm_cvtpi16_ps): Rearrange calls to
5149         builtin functions to generate faster code.
5150         (_mm_cvtpu16_ps): Ditto.
5151         (_mm_cvtpi32x2_ps): Ditto.
5152
5153 2008-04-22  Nick Clifton  <nickc@redhat.com>
5154
5155         * common.opt (ftree-loop-distribution): Add Optimization
5156         attribute.
5157
5158         * config/frv/frv.c (frv_stack_info): Use crtl instead of cfun.
5159         (frv_expand_builtin_va_start): Likewise.
5160
5161         * config/arm/arm.c (thumb_find_work_register): Fix location of
5162         argument register count.
5163
5164 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
5165
5166         Support scheduling for ColdFire V1 and V3 microarchitecture.
5167         Improve scheduling of multiplication instructions.
5168
5169         * config/m68k/m68k.md (cpu): Add cfv1 and cfv3.  Rename cf_v2 to cfv1.
5170         (mac): New instruction attribute.
5171         * config/m68k/m68k.c (override_options): Handle cfv1, cfv3 and mac.
5172         (m68k_sched_mac): New variable.
5173         (m68k_sched_attr_type2, m68k_sched_md_init_global): Update.
5174         Handle cfv1 and cfv3.
5175         (max_insn_size): New static variable.
5176         (struct _sched_ib): New type.
5177         (sched_ib): New static variable.
5178         (sched_ib_size, sched_ib_filled, sched_ib_insn): Convert variables
5179         to fields of 'struct _sched_ib sched_ib'.  Update all uses.
5180         (m68k_sched_variable_issue): Add modeling of cfv3 instruction buffer.
5181         Update.
5182         (m68k_sched_md_init_global, m68k_sched_md_finish_global,
5183         m68k_sched_md_init, m68k_sched_md_finish): Handle cfv1 and cfv3.  Init
5184         new variables.  Update.
5185         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
5186         Add modeling of cfv3 instruction buffer.  Update.
5187         * config/m68k/m68k-protos.h (m68k_sched_mac): Declare.
5188         * config/m68k/m68k.h (TUNE_CFV3): New macro.
5189         * config/m68k/cf.md: Change substrings 'cf_v2' to 'cfv12' or 'cfv123'.
5190         (cf_* reservations): Rename to cfv12 or cfv123 to indicate cores
5191         a particular reservation applies to.
5192         (type2): Reorganize attribute values.  Rename alu to alu_reg,
5193         alu_l to alu, move_l to omove.  Join move to alu.  Split mul
5194         to mul_l and mul_w.
5195         (cf_ib_*): Simplify description of instruction buffer.
5196         (cf_ib_w0, cf_ib_w4, cf_ib_w5, cf_ib_w6): Remove.
5197         (cf_mem): Split into cf_mem1 and cf_mem2.
5198         (cf_v2_move_??): Rename to cfv12_alu_??.
5199         (cf_v2_move_l_??): Rename to cfv12_omove_??.
5200         (cf_v2_mul_??): Remove reservations.
5201         (cfv12_mul_l_??, cfv12_mul_w_??, cfv12_mac_w_??, cfv12_mac_l_??,
5202         cfv12_emac_??, cfv12_emac_w_i0): New reservations.
5203         (cfv12_rts, cfv12_call, cfv12_bcc, cfv12_bra, cfv12_jmp): Move to
5204         appropriate place.
5205         (cfv3_alu_10, cfv3_omove_10, cfv3_alu_i0, cfv3_omove_i0, cfv3_alu_01,
5206         cfv3_alu_0i, cfv3_alu_11, cfv3_omove_11, cfv3_alu_i1, cfv3_omove_i1,
5207         cfv3_alu_1i, cfv3_omove_1i, cfv3_pea_11, cfv3_pea_i1, cfv3_mul_w_10,
5208         cfv3_mul_l_10, cfv3_mul_w_i0, cfv3_mac_w_10, cfv3_mac_l_10,
5209         cfv3_mac_w_i0, cfv3_emac_10, cfv3_emac_w_i0, cfv3_rts, cfv3_call,
5210         cfv3_bcc, cfv3_bra, cfv3_jmp): New reservations.
5211         (cfv3_*_1, cfv3_*_2, cfv3_*_3): New instruction reservations that are
5212         expansions of the above reservations for instructions of sizes
5213         1, 2 and 3 words.
5214
5215 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
5216
5217         * rtl-factoring.c (collect_patterns_seqs): Handle CC0 targets.
5218
5219 2008-04-21  Adam Nemet  <anemet@caviumnetworks.com>
5220
5221         * coverage.c: Include tree-pass.h.
5222         (coverage_counter_alloc): Print da_file_name to the dump file.
5223
5224 2008-04-21  Kenneth Zadeck  <zadeck@naturalbridge.com>
5225
5226         * sbitmap.c (sbitmap_range_empty_p): New function.
5227         * sbitmap.h (sbitmap_range_empty_p): New function.
5228         * bitmap.h: Now includes obstack.h.
5229
5230 2008-04-21  Richard Sandiford  <rsandifo@nildram.co.uk>
5231             Kenneth Zadeck  <zadeck@naturalbridge.com>
5232
5233         * dbgcnt.def (ra_byte_scan): Added.
5234         * dbgcnt.c (dbg_cnt): Added code to print message to dump_file
5235         when the last hit happens for a counter.  
5236         * timevar.def (TV_DF_BYTE_LR): New variable.
5237         * tree-pass.h (pass_fast_rtl_byte_dce): New pass.
5238         * passes.c (pass_fast_rtl_byte_dce): New pass.
5239         * fwprop.c (update_df): Added mode to call df_ref_create.
5240         Renamed DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
5241         DF_REF_EXTRACT_OFFSET.
5242         * df.h (DF_BYTE_LR, DF_BYTE_LR_BB_INFO, DF_BYTE_LR_IN, 
5243         DF_BYTE_LR_OUT, df_byte_lr): New macro.
5244         (df_mm): New enum.
5245         (df_ref_extract): Added mode field.
5246         (DF_REF_WIDTH, DF_REF_OFFSET) Renamed to DF_REF_EXTRACT_WIDTH and
5247         DF_REF_EXTRACT_OFFSET.
5248         (DF_REF_EXTRACT_MODE): New macro.
5249         (df_byte_lr_bb_info): New structure.
5250         (df_print_byte_regset, df_compute_accessed_bytes, 
5251         df_byte_lr_add_problem, df_byte_lr_get_regno_start,
5252         df_byte_lr_get_regno_len, df_byte_lr_simulate_defs,
5253         df_byte_lr_simulate_uses,
5254         df_byte_lr_simulate_artificial_refs_at_top,
5255         df_byte_lr_simulate_artificial_refs_at_end,
5256         df_compute_accessed_bytes): New function.
5257         (df_ref_create): Add parameter.
5258         (df_byte_lr_get_bb_info): New inline function.
5259         * df-scan.c (df_ref_record, df_uses_record,
5260         df_ref_create_structure): Added mode parameter.
5261         (df_ref_create, df_notes_rescan, df_ref_record, df_def_record_1, 
5262         df_defs_record, df_uses_record, df_get_conditional_uses,
5263         df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect, 
5264         df_entry_block_defs_collect, df_exit_block_uses_collect):
5265         Added mode parameter to calls to df_ref_record, df_uses_record,
5266         df_ref_create_structure.
5267         (df_ref_equal_p, df_ref_compare): Added test for modes.
5268         (df_ref_create_structure): Added code to set mode.  Renamed
5269         DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
5270         DF_REF_EXTRACT_OFFSET.
5271         * df-core.c (df_print_byte_regset): New function.
5272         * df-byte-scan.c: New file.
5273         * df-problems.c (df_rd_transfer_function): Removed unnecessary
5274         calls to BITMAP_FREE.  
5275         (df_byte_lr_problem_data, df_problem problem_BYTE_LR): New structure.
5276         (df_byte_lr_get_regno_start, df_byte_lr_get_regno_len,
5277         df_byte_lr_set_bb_info, df_byte_lr_free_bb_info, 
5278         df_byte_lr_check_regs, df_byte_lr_expand_bitmap, 
5279         df_byte_lr_alloc, df_byte_lr_reset, df_byte_lr_bb_local_compute,
5280         df_byte_lr_local_compute, df_byte_lr_init,
5281         df_byte_lr_confluence_0, df_byte_lr_confluence_n, 
5282         df_byte_lr_transfer_function, df_byte_lr_free, 
5283         df_byte_lr_top_dump, df_byte_lr_bottom_dump,
5284         df_byte_lr_add_problem, df_byte_lr_simulate_defs, 
5285         df_byte_lr_simulate_uses,
5286         df_byte_lr_simulate_artificial_refs_at_top,
5287         df_byte_lr_simulate_artificial_refs_at_end): New function.
5288         * dce.c (byte_dce_process_block): New function.
5289         (dce_process_block): au is now passed in rather than computed
5290         locally.  Changed loops that look at artificial defs to not look
5291         for conditional or partial ones, because there never are any.  
5292         (fast_dce): Now is able to drive byte_dce_process_block or 
5293         dce_process_block depending on the kind of dce being done.
5294         (rest_of_handle_fast_dce): Add parameter to fast_dce.
5295         (rest_of_handle_fast_byte_dce): New function.
5296         (rtl_opt_pass pass_fast_rtl_byte_dce): New pass.
5297         * Makefile.in (df-byte-scan.o, debugcnt.o): Added dependencies.
5298
5299 2008-04-21  Daniel Franke  <franke.daniel@gmail.com>
5300
5301         PR fortran/35019
5302         * gcc.h: Added fortran options that take arguments to
5303         DEFAULT_SWITCH_TAKES_ARG and DEFAULT_WORD_SWITCH_TAKES_ARG
5304         macros.
5305
5306 2008-04-20  Eric Botcazou  <ebotcazou@adacore.com>
5307
5308         * tree-sra.c (sra_walk_expr) <VIEW_CONVERT_EXPR>: Disable
5309         scalarization if on the LHS and not a full access.
5310
5311 2008-04-20  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5312
5313         * Makefile.in (s-gtyp-input): Remove tmp-gi.list before writing it.
5314
5315 2008-04-18  Rafael Espindola  <espindola@google.com>
5316
5317         * tree-vrp.c (find_case_label_index): Fix the binary search.
5318         (find_case_label_range): New.
5319         (vrp_visit_switch_stmt): Use find_case_label_range.
5320         (simplify_switch_using_ranges): Use find_case_label_range.
5321
5322 2008-04-18  Eric Botcazou  <ebotcazou@adacore.com>
5323
5324         * gimplify.c (gimplify_modify_expr_rhs) <COND_EXPR>: Gimplify the LHS
5325         using the is_gimple_lvalue predicate instead of is_gimple_min_lval.
5326
5327 2008-04-18  Tom Tromey  <tromey@redhat.com>
5328
5329         PR libcpp/15500:
5330         * doc/cpp.texi (Implementation-defined behavior): Mention
5331         -finput-charset.
5332
5333 2008-04-18  Ian Lance Taylor  <iant@google.com>
5334
5335         * fold-const.c (pointer_may_wrap_p): New static function.
5336         (fold_comparison): Add another test for pointer overflow.  Use
5337         pointer_may_wrap_p to disable some false positives.
5338
5339 2008-04-18  Kris Van Hees <kris.van.hees@oracle.com>
5340           
5341         * c-common.c (CHAR16_TYPE, CHAR32_TYPE): New macros.
5342         (fname_as_string): Match updated cpp_interpret_string prototype.
5343         (fix_string_type): Support char16_t* and char32_t*.
5344         (c_common_nodes_and_builtins): Add char16_t and char32_t (and
5345         derivative) nodes.  Register as builtin if C++0x.
5346         (c_parse_error): Support CPP_CHAR{16,32}.
5347         * c-common.h (RID_CHAR16, RID_CHAR32): New elements. 
5348         (enum c_tree_index) <CTI_CHAR16_TYPE, CTI_SIGNED_CHAR16_TYPE,
5349         CTI_UNSIGNED_CHAR16_TYPE, CTI_CHAR32_TYPE, CTI_SIGNED_CHAR32_TYPE,
5350         CTI_UNSIGNED_CHAR32_TYPE, CTI_CHAR16_ARRAY_TYPE,
5351         CTI_CHAR32_ARRAY_TYPE>: New elements.
5352         (char16_type_node, signed_char16_type_node, unsigned_char16_type_node,
5353         char32_type_node, signed_char32_type_node, char16_array_type_node,
5354         char32_array_type_node): New defines.
5355         * c-lex.c (cb_ident): Match updated cpp_interpret_string prototype.
5356         (c_lex_with_flags): Support CPP_CHAR{16,32} and CPP_STRING{16,32}.
5357         (lex_string): Support CPP_STRING{16,32}, match updated
5358         cpp_interpret_string and cpp_interpret_string_notranslate prototypes.
5359         (lex_charconst): Support CPP_CHAR{16,32}.
5360         * c-parser.c (c_parser_postfix_expression): Support CPP_CHAR{16,32}
5361         and CPP_STRING{16,32}.
5362
5363 2008-04-18  Paolo Bonzini  <bonzini@gnu.org>
5364
5365         PR bootstrap/35457
5366         * aclocal.m4: Regenerate.
5367         * configure: Regenerate.
5368
5369 2008-04-18  Jan Hubicka  <jh@suse.cz>
5370
5371         * except.c (dw2_size_of_call_site_table,
5372         sjlj_size_of_call_site_table): Use vector API for call_site_record.
5373
5374         * cgraphbuild.c (build_cgraph_edges): Update.
5375         * tree-pass.h: Update comment.
5376         * final.c (leaf_function_p): Update.
5377         (leaf_renumber_regs): Update.
5378         (rest_of_clean_state): Update.
5379         * omp-low.c (expand_omp_parallel): Update.
5380         * ipa-reference.c (analyze_function): Update.
5381         * reorg.c (find_end_label): Update.
5382         (optimize_skip): Update.
5383         (fill_simple_delay_slots): Update.
5384         (fill_simple_delay_slots): Update.
5385         (make_return_insns): Update.
5386         (dbr_schedule): Update.
5387         * gimple-low.c (record_vars_into): Update.
5388         * cfgbuild.c (make_edges): Update.
5389         * function.c (assign_stack_local): Update.
5390         (assign_parm_adjust_stack_rtl): Update.
5391         (locate_and_pad_parm): Update.
5392         (allocate_struct_function): Do not initialize stack_alignment_needed
5393         and preferred_stack_boundary here.
5394         (stack_protect_prologue): Update.
5395         (stack_protect_epilogue): Update.
5396         (expand_function_start): Initialize stack_alignment_needed,
5397         preferred_stack_boundary and max_jumptable_ents.
5398         (expand_function_end): Update.
5399         (free_after_compilation): Do not NULLify epilogue_delay_list.
5400         * function.h (struct rtl_data): Add stack_protect_guard,
5401         stack_alignment_needed,
5402         preferred_stack_boundary, epilogue_delay_list.
5403         (struct function): Remove value_histograms, stack_alignment_needed,
5404         preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
5405         last_label_uid,
5406         unexpanded_var_list, stack_protect_guard.
5407         (current_function_epilogue_delay_list): Remove.
5408         * ipa-type-escape.c (analyze_function): Update.
5409         * gimplify.c (pop_gimplify_context): Update comment.
5410         * calls.c (expand_call): Update.
5411         (emit_library_call_value_1): Update.
5412         * except.c (set_nothrow_function_flags): Update.
5413         * cfgexpand.c (get_decl_align_unit): Update.
5414         (create_stack_guard): Update.
5415         (estimated_stack_frame_size): Update.
5416         (expand_used_vars): Update.
5417         (tree_expand_cfg): Free histogram earliers, init expansion variables.
5418         * explow.c (allocate_dynamic_stack_space): Update.
5419         * tree-ssa-live.c (remove_unused_locals): Update.
5420         * varasm.c (mark_constant_pool): Update.
5421         * tree-inline.c (remap_decls): Update.
5422         (initialize_cfun): Update.
5423         (declare_return_variable): Update.
5424         (inline_forbidden_p): Update.
5425         (expand_call_inline): Update.
5426         (declare_inline_vars): Update.
5427         (tree_function_versioning): Update.
5428         * tree-flow.h (value_histograms): New.
5429         (VALUE_HISTOGRAMS): New macro.
5430         * basic-block.h (control_flow_graph): Add max_jumptable_ents,
5431         last_label_uid.
5432         * tree-cfg.c (set_bb_for_stmt): Update.
5433         (replace_by_duplicate_decl): Update.
5434         (move_block_to_fn): Update.
5435         (new_label_mapper): Update.
5436         (dump_function_to_file): Update.
5437         * ipa-struct-reorg.c (build_data_structure): Update.
5438         * cfgrtl.c (print_rtl_with_bb): Update.
5439         * reload1.c (reload): Update.
5440         (reload): Update.
5441         * config/i386/i386.c (setup_incoming_varargs_64,
5442         ix86_compute_frame_layout): Update.
5443         * config/arc/arc.c (arc_output_function_epilogue): Update.
5444
5445 2008-04-18  Marius Strobl <marius@FreeBSD.org>
5446
5447         * gthr-posix.h (__gthread_active_p): Use the Solaris implementation
5448         for FreeBSD as well.
5449         * gthr-posix95.h: Likewise.
5450
5451 2008-04-17  Richard Sandiford  <rsandifo@nildram.co.uk>
5452
5453         PR rtl-optimization/35838
5454         * dse.c (find_shift_sequence): Use subreg_lowpart_offset to work
5455         out the byte offset of the first subreg.
5456
5457 2008-04-17  Uros Bizjak  <ubizjak@gmail.com>
5458
5459         * config/i386/i386.md (addti3 splitter): Pass arrays of 3 operands
5460         to split_ti instead of three separate calls with single member arrays.
5461         (subti3 splitter): Ditto.
5462         (adddi3 splitter): Ditto with split_di.
5463         (subdi3 splitter): Ditto.
5464         (negti2 splitter): Pass arrays of 2 operands to split_ti instead of
5465         two separate calls with single member arrays.  Swap match_dup
5466         operands 1 and 2 to better fit into the array.
5467         (negdi2 splitter): Ditto with split_di.
5468         (movdfcc splitter):  Pass arrays of 2 operands to split_di instead of
5469         two separate calls with single member arrays.  Swap match_dup operands
5470         6 and 7 to better fit into the array.
5471
5472 2008-04-17  H.J. Lu  <hongjiu.lu@intel.com>
5473
5474         * config/i386/i386.c (sse_builtin_type): New.
5475         (bdesc_sse_args): Likewise.
5476         (bdesc_sse_3arg): Removed.
5477         (bdesc_2arg): Remove IX86_BUILTIN_AESKEYGENASSIST128.
5478         (bdesc_1arg): Remove IX86_BUILTIN_ROUNDPD and
5479         IX86_BUILTIN_ROUNDPS.
5480         (ix86_init_mmx_sse_builtins): Handle bdesc_sse_args.  Remove
5481         bdesc_sse_3arg.  Remove IX86_BUILTIN_ROUNDPD and
5482         IX86_BUILTIN_ROUNDPS.
5483         (ix86_expand_sse_4_operands_builtin): Removed.
5484         (ix86_expand_sse_operands_builtin): New.
5485         (ix86_expand_unop_builtin): Remove CODE_FOR_sse4_1_roundpd
5486         and CODE_FOR_sse4_1_roundps.
5487         (ix86_expand_builtin): Remove IX86_BUILTIN_AESKEYGENASSIST128.
5488         Handle bdesc_sse_args.  Remove bdesc_sse_3arg.
5489
5490 2008-04-17  Alan Modra  <amodra@bigpond.net.au>
5491
5492         PR target/35907
5493         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Restore vr and vrsave
5494         regs before frame pop when needed.  If use_backchain_to_restore_sp
5495         then load backchain into a temp reg to restore vr and vrsave.  Add
5496         code to restore vr after frame pop if possible.
5497
5498 2008-04-17  Richard Guenther  <rguenther@suse.de>
5499
5500         * tree-vn.c (expressions_equal_p): Do not check type
5501         equality or compatibility before calling operand_equal_p.
5502         * fold-const.c (operand_equal_p): Check equivalence of
5503         integer constants before bailing out due to signedness or
5504         precision differences.
5505         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Ignore
5506         spurious differences in type qualification.  Ignore types
5507         for COMPONENT_REFs at all.
5508
5509 2008-04-17  Christian Bruel  <christian.bruel@st.com>
5510
5511         * config/sh/sh.c (expand_cbranchdi4): Use original operands for
5512         msw_skip comparison.
5513         
5514 2008-04-16  Jakub Jelinek  <jakub@redhat.com>
5515
5516         PR c/35739
5517         * tree-nrv.c (tree_nrv): Don't optimize if result_type is GIMPLE
5518         reg type.
5519
5520         PR tree-optimization/35899
5521         * tree-inline.c (expand_call_inline): Use GIMPLE_STMT_OPERAND
5522         rather than TREE_OPERAND.
5523
5524 2008-04-16  Uros Bizjak  <ubizjak@gmail.com>
5525
5526         PR target/35944
5527         * config/i386/i386.md (fmodxf3): Copy operand 1 and operand 2 into
5528         temporary registers.  Change operand predicate to general_operand.
5529         (remainderxf3): Ditto.
5530
5531 2008-04-16  Richard Guenther  <rguenther@suse.de>
5532
5533         * Makefile.in (tree-affine.o): Add $(FLAGS_H) dependency.
5534         * tree-affine.c (aff_combination_expand): Look through some
5535         conversions.
5536
5537 2008-04-15  Doug Kwan  <dougkwan@google.com>
5538
5539         * dwarf2asm.c (dw2_assemble_integer): Cast to unsigned HOST_WIDE_INT
5540         for hex printing.
5541         * tree-pretty-print.c (dump_generic_node): Ditto.
5542         * final.c (output_addr_const): Ditto.
5543         * dwarf2out.c (output_cfi): Ditto.
5544         * c-pretty-print.c (pp_c_integer_constant): Ditto.
5545         * print-rtl.c (print_rtx): Ditto.
5546         * print-tree.c (print_node_brief, print_node): Ditto.
5547         * c-common.c (match_case_to_enum_1): Ditto.
5548         * sched-vis.c (print_value): Ditto.
5549         * config/i386/i386.c (print_operand): Cast to long unsigned int
5550         for hex printing.
5551
5552 2008-04-15  Danny Smith  <dannysmith@users.sourceforge.net>
5553         * libgcc2.c [L_trampoline]: Remove  unnecessary prototype for
5554         MS Windows VirtualProtect function.
5555
5556 2008-04-15  Jan Hubicka  <jh@suse.cz>
5557
5558         * gengtype.c (write_root): Param_is argument is OK.
5559         * expr.c (expand_expr_real_1): Update call of get_exception_*.
5560         * function.h: Include varray.h
5561         (rtl_eh): New stucture based on except.c one.
5562         (call_site_record): New forward declaration and vector type.
5563         * calls.c (emit_call_1): Do not call
5564         note_current_region_may_contain_throw.
5565         * except.c (eh_status): Remove cur_region, try_region since they are
5566         unused.
5567         Move filter, exc_ptr, ttype_data, ehspec_data, action_record_data and
5568         exception_handler_label_map, ehr_stackadj, ehr_handler, ehr_label,
5569         sjlj_fc, sjlj_exit_after to rth_eh in function.h. 
5570         Remove call_site_data_used, call_site_data_size.
5571         Turn call_site_record into vector in function.h.
5572         (note_current_region_may_contain_throw): Remove.
5573         (get_exception_pointer, get_exception_filter): Do not take struct
5574         function argument; update.
5575         (add_ehl_entry, find_exception_handler_labels, ehspec_filter_hash,
5576         add_ttypes_entry, add_ehspec_entry, assign_filter_values,
5577         build_post_landing_pads, dw2_build_landing_pads,
5578         sjlj_assign_call_site_values, sjlj_mark_call_sites,
5579         sjlj_emit_function_enter, sjlj_emit_function_enter, 
5580         sjlj_emit_function_exit, sjlj_emit_dispatch_table,
5581         sjlj_build_landing_pads, finish_eh_generation,
5582         remove_exception_handler_label, remove_eh_handler,
5583         maybe_remove_eh_handler, add_reachable_handler,
5584         reachable_handlers, expand_builtin_eh_return, expand_eh_return,
5585         add_action_record, collect_one_action_chain, add_call_site,
5586         convert_to_eh_region_ranges, sjlj_size_of_call_site_table,
5587         sjlj_output_call_site_table, output_function_exception_table,
5588         * except.h (note_current_region_may_contain_throw): Remove
5589         (get_exception_pointer, get_exception_filter): Do not take struct
5590         function argument.
5591         * Makefile.in (GTFILES): Put varargs before struct function.
5592
5593 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
5594
5595         * tree-ssa-structalias.c (get_constraint_for_component_ref): Do not
5596         punt for STRING_CST.
5597         (get_constraint_for): Deal with STRING_CST here instead.
5598
5599 2008-04-15  Richard Guenther  <rguenther@suse.de>
5600
5601         * tree-ssa-propagate.c (substitute_and_fold): Substitute
5602         statements in a basic-block with a backward walk.  Do not
5603         substitute into dead statements but instead remove those.
5604
5605 2008-04-15  Richard Guenther  <rguenther@suse.de>
5606
5607         * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Set default
5608         to zero, thus disable creation of SFTs.
5609
5610 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
5611
5612         * tree-predcom.c (suitable_reference_p): Return false if the
5613         reference can throw.
5614
5615 2008-04-15  Jakub Jelinek  <jakub@redhat.com>
5616
5617         PR c/35751
5618         * c-decl.c (finish_decl): If extern or static var has variable
5619         size, set TREE_TYPE (decl) to error_mark_node.
5620
5621 2008-04-15  Rafael Espindola  <espindola@google.com>
5622
5623         * fold-const.c (tree_call_nonnegative_warnv_p): Remove local
5624         variable arg1.
5625
5626 2008-04-15  Richard Guenther  <rguenther@suse.de>
5627
5628         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
5629         * tree-ssa-sccvn.c (vn_reference_lookup): New parameter maywalk.
5630         (visit_reference_op_load): Do walk vuse-vdef chains on
5631         vn_reference_lookup.
5632         (visit_reference_op_store): But do not here.
5633         * tree-vn.c (vn_lookup): Do not walk vuse-vdef chains on
5634         vn_reference_lookup.
5635         (vn_lookup_with_vuses): But do so here.
5636
5637 2008-04-14  Ian Lance Taylor  <iant@google.com>
5638
5639         * fold-const.c (fold_overflow_warning): Remove assertion.
5640
5641 2008-04-15  Ben Elliston  <bje@au.ibm.com>
5642
5643         * config/alpha/alpha.c (alpha_initialize_trampoline): Remove temp,
5644         temp1 local variables.
5645
5646 2008-04-15  Zuxy Meng  <zuxy.meng@gmail.com>
5647
5648         PR target/35661
5649         * config/i386/winnt.c (i386_pe_section_type_flags): Mark
5650         ".text.unlikely" section as executable.
5651
5652 2008-04-14  James E. Wilson  <wilson@tuliptree.org>
5653
5654         * config/ia64/ia64.c (rtx_needs_barrier): Handle
5655         UNSPEC_FR_SQRT_RECIP_APPROX_RES.
5656         * config/ia64/ia64.c (UNSPEC_FR_SQRT_RECIP_APPROX_RES): Define.
5657         (divsi3_internal, divdi3_internal_lat, divdi3_internal_thr,
5658         divsf3_internal_lat, sqrt_approx, sqrtsf2_internal_thr,
5659         divdf3_internal_lat, sqrtdf2_internal_thr, divxf3_internal_lat,
5660         divxf3_internal_thr, sqrtxf2_internal_thr, recip_approx): Use it.
5661
5662 2008-04-14  Ian Lance Taylor  <iant@google.com>
5663
5664         * flags.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Define.
5665         * fold-const.c (fold_comparison): If appropriate, test
5666         POINTER_TYPE_OVERFLOW_UNDEFINED, and issue an overflow warning.
5667         (fold_binary): Test POINTER_TYPE_OVERFLOW_UNDEFINED when
5668         reassociating a pointer type.
5669         * doc/invoke.texi (Optimize Options): Document that
5670         -fstrict-overflow applies to pointer wraparound.
5671
5672 2008-04-13  Jan Hubicka  <jh@suse.cz>
5673
5674         * m32.c (m32c_pushm_popm): Use crtl->retrun_rtx.
5675
5676 2008-04-12  Andrew Pinski  <pinskia@gmail.com>
5677
5678         * config/rs6000/rs6000.c (compute_save_world_info): Set lr_save_p if
5679         we are going to "save the world".
5680
5681 2008-04-13  Hans-Peter Nilsson  <hp@axis.com>
5682
5683         * config/cris/cris.md ("*andhi_lowpart_non_v32", "*andhi_lowpart_v32")
5684         ("*andqi_lowpart_non_v32", "*andqi_lowpart_v32"): Use "+" for the
5685         operand 0 constraint, not "=".
5686
5687 2008-04-11  James E. Wilson  <wilson@tuliptree.org>
5688
5689         * system.h: Change ASSERT_CHECKING to ENABLE_ASSERT_CHECKING.
5690
5691 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
5692
5693         * dse.c (record_store): Use HOST_BITS_PER_WIDE_INT instead
5694         of size of positions_needed * CHAR_BIT.
5695
5696 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
5697
5698         PR middle-end/35897
5699         * dse.c (store_info): Change positions_needed to unsigned
5700         HOST_WIDE_INT.
5701         (lowpart_bitmask): New.
5702         (record_store): Cast to unsigned HOST_WIDE_INT for
5703         positions_needed.  Assert width <= size of positions_needed *
5704         CHAR_BIT.  Call lowpart_bitmask to initialize positions_needed.
5705         (check_mem_read_rtx): Use unsigned HOST_WIDE_INT on mask.  Call
5706         lowpart_bitmask to set mask.
5707
5708 2008-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
5709
5710         * config/bfin/constraints.md: New file.
5711         * config/bfin/bfin.md: Include it.
5712         (adddi3): Use satisfies_constraint functions instead of the old macros.
5713         * config/bfin/bfin.h (REG_CLASS_FROM_LETTER, CONSTRAINT_LEN,
5714         CONST_18UBIT_IMM_P, CONST_16BIT_IMM_P, CONST_16UBIT_IMM_P,
5715         CONST_7BIT_IMM_P, CONST_7NBIT_IMM_P, CONST_5UBIT_IMM_P,
5716         CONST_4BIT_IMM_P, CONST_4UBIT_IMM_P, CONST_3BIT_IMM_P,
5717         CONST_3UBIT_IMM_P, CONST_OK_FOR_K, CONST_OK_FOR_P, CONST_OK_FOR_M,
5718         CONST_OK_FOR_CONSTRAINT_P, CONST_DOUBLE_OK_FOR_LETTER,
5719         EXTRA_CONSTRAINT): Delete.
5720         * config/bfin/predicates.md (highbits_operand, reg_or_7bit_operand,
5721         reg_or_neg7bit_operand): Use satisfies_constraint functions instead
5722         of the old macros.
5723         * config/bfin/bfin.c: Include "tm-constrs.h".
5724         (bfin_secondary_reload, split_load_immediate, bfin_rtx_costs):
5725         Use satisfies_constraint functions instead of the old macros.
5726         * doc/md.texi (Blackfin Constraints): Update file name reference.
5727
5728 2008-04-11  Richard Guenther  <rguenther@suse.de>
5729
5730         PR tree-optimization/35869
5731         * tree-vrp.c (execute_vrp): Move switch statement update after
5732         jump threading.  Schedule another cfg cleanup run.
5733
5734 2008-04-11  Volker Reichelt  <v.reichelt@netcologne.de>
5735
5736         PR c/35744
5737         * attribs.c (decl_attributes): Return early on errorneous node.
5738
5739 2008-04-10  Oleg Ryjkov  <olegr@google.com>
5740
5741         * tree.h (struct tree_base): Added a new flag default_def_flag.
5742         (SSA_NAME_IS_DEFAULT_DEF): Changed to use the new flag.
5743
5744 2008-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
5745
5746         * config.gcc (need_64bit_hwint): Need 64bit hwint for sh-*-*.
5747
5748 2008-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5749
5750         PR target/35768
5751         * pa.md: Define mode iterator P.  Define mode attribute dwc.
5752         (dcacheflush): Update pattern to use iterator P and attribute dwc.
5753         (icacheflush): Likewise.
5754         * pa.h (INITIALIZE_TRAMPOLINE): Use dcacheflushsi/icacheflushsi if
5755         !TARGET_64BIT, and dcacheflushdi/icacheflushdi if TARGET_64BIT.
5756
5757 2008-04-11  Ben Elliston  <bje@au.ibm.com>
5758
5759         * config/spu/spu.c (spu_init_builtins): Mark builtins as nothrow.
5760
5761 2008-04-10  Rafael Espindola  <espindola@google.com>
5762
5763         * tree-vrp.c (extract_range_from_binary_expr): Don't handle
5764         TRUTH_ANDIF_EXPR or TRUTH_ORIF_EXPR.
5765         (extract_range_from_expr): The same.
5766
5767 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
5768
5769         * config/mips/mips.md (GPR2): New mode iterator.
5770         (seq): Add comment.
5771         (*seq_<mode>, *seq_<mode>_mips16, *sne_<mode>, *sgt<u>_<mode>,
5772         *sgt<u>_<mode>_mips16, *sge<u>_<mode>, *slt<u>_<mode>,
5773         *slt<u>_<mode>_mips16 *sle<u>_<mode>, *sle<u>_<mode>_mips16):
5774         Rewrite these to take two modes, the mode of comparison and the
5775         mode of the destination.
5776         * config/mips/mips.c (mips_expand_scc): Instead of having
5777         paradoxical subreg as destination, expand "narrowing" scc if mode
5778         of comparison is SI and target is requested in DI mode.
5779         (mips_emit_int_order_test): Update comment.  Make mode of
5780         comparison match CMP0 rather than TARGET.  When creating inverse
5781         target use mode of TARGET.
5782
5783 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
5784
5785         * gcov-dump.c (tag_summary): Only print summaries for the first
5786         GCOV_COUNTERS_SUMMABLE counters.
5787
5788 2008-04-10  Uros Bizjak  <ubizjak@gmail.com>
5789
5790         * config/i386/i386.md (absneg): New code iterator.
5791         (absnegprefix): New code attribute.
5792         (<code><mode>2): Macroize expander from abs<mode>2 and neg<mode>2
5793         patterns using absneg code iterator.
5794         (<code>tf2): Macroize expander from abstf2 and negtf2 patterns
5795         using absneg code iterator.
5796         (*<code><mode>2_1): Macroize insn pattern from *abs<mode>2_1 and
5797         *neg<mode>2 patterns using absneg code iterator.
5798         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
5799         *negextendsfdf2 patterns using absneg code iterator.
5800         (*<code>extendsfxf2): Macroize insn pattern from *absextendsfxf2 and
5801         *negextendsfxf2 patterns using absneg code iterator.
5802         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
5803         *negextendsfdf2 patterns using absneg code iterator.
5804         * config/i386/sse.md (<code><mode>2): Macroize expander from
5805         abs<mode>2 and neg<mode>2 patterns using absneg code iterator. 
5806
5807 2008-04-10  Andreas Krebbel  <krebbel1@de.ibm.com>
5808
5809         * config/s390/s390.h: Remove the remains of the recent search
5810         & replace action of current_function_outgoing_args_size.
5811
5812 2008-04-10  Ira Rosen  <irar@il.ibm.com>
5813
5814         PR tree-optimization/35821
5815         * tree-vect-transform.c (vect_create_data_ref_ptr): Add check that
5816         NEW_STMT_LIST is not NULL.
5817
5818 2008-04-09  David Edelsohn  <edelsohn@gnu.org>
5819
5820         PR libstdc++/35597
5821         * toplev.c (process_options): Remove -ffunction-sections debugging
5822         warning.
5823
5824 2008-04-09  Peter Bergner  <bergner@vnet.ibm.com>
5825
5826         PR middle-end/PR28690
5827         * explow.c (break_out_memory_refs): Use simplify_gen_binary rather
5828         than gen_rtx_fmt_ee to perform more canonicalizations.
5829
5830 2008-04-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5831
5832         PR driver/35665
5833         * collect2.c (write_c_file): Don't wrap in "#ifdef __cplusplus".
5834
5835 2008-04-09  Richard Guenther  <rguenther@suse.de>
5836
5837         * tree-cfg.c (verify_stmt): Print complete bogus stmt.
5838         (dump_function_to_file): Dump function arguments with types.
5839
5840 2008-04-08  Richard Guenther  <rguenther@suse.de>
5841
5842         * fold-const.c (fold_widened_comparison): Do not allow
5843         sign-changes that change the result.
5844
5845 2008-04-08  Janis Johnson  <janis187@us.ibm.com>
5846
5847         PR target/35839
5848         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle additional
5849         kinds of indirect references.
5850
5851 2008-04-08  David Edelsohn  <edelsohn@gnu.org>
5852
5853         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update
5854         GNU Fortran language string.
5855
5856 2008-04-08  Rafael Espindola  <espindola@google.com>
5857
5858         * fold-canst.c (tree_call_nonnegative_warnv_p): New.
5859         (tree_invalid_nonnegative_warnv_p): Use tree_call_nonnegative_warnv_p.
5860         * tree.h (tree_call_nonnegative_warnv_p): New.
5861
5862 2008-04-08  Jan Hubicka  <jh@suse.cz>
5863
5864         * function.c (free_after_compilation): Clear out regno_reg_rtx
5865         pointer.
5866
5867 2008-04-08  Peter Bergner  <bergner@vnet.ibm.com>
5868
5869         Revert
5870         2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
5871
5872         PR middle-end/PR28690
5873         * rtlanal.c: (commutative_operand_precedence): Give SYMBOL_REF's the
5874         same precedence as REG_POINTER and MEM_POINTER operands.
5875
5876 2008-04-08  Richard Guenther  <rguenther@suse.de>
5877
5878         PR middle-end/35834
5879         * tree-ssa-address.c (create_mem_ref): Use POINTER_PLUS_EXPR
5880         for adding index to base.
5881
5882 2008-04-08  Kai Tietz  <kai.tietz@onevision.com>
5883
5884         * config/i386/mingw32.h (ENABLE_EXECUTE_STACK): New.
5885         (MINGW_ENABLE_EXECUTE_STACK): New.
5886         (IN_LIBGCC2): For libgcc include windows.h file for
5887         function declarations.
5888
5889 2008-04-08  Hans-Peter Nilsson  <hp@axis.com>
5890
5891         * config/cris/cris.c (cris_address_cost): For a PLUS, swap tem1
5892         and tem2 if tem1 is not a REG or MULT.
5893
5894 2008-04-08  Jan Hubicka  <jh@suse.cz>
5895
5896         * function.h (incomming_args): Break out of struct function.
5897         (function_subsections): Break out of struct function.
5898         (rtl_data): Add args, subsections fields. Break out outgoing_args_size,
5899         return_rtx and hard_reg_initial_vals from struct function.
5900         Kill inl_max_label_num.
5901         (current_function_pops_args, current_function_args_info,
5902         current_function_args_size, current_function_args_size,
5903         current_function_pretend_args_size,
5904         current_function_outgoing_args_size,
5905         current_function_internal_arg_pointer, current_function_return_rtx):
5906         Kill compatibility accestor macros.
5907         * builtins.c (expand_builtin_apply_args_1): Update.
5908         (expand_builtin_next_arg): Update.
5909         * df-scan.c (df_get_call_refs): Update.
5910         * dbxout.c (dbxout_function_end): Update.
5911         * dwarf2out.c (dwarf2out_switch_text_section): Update.
5912         (output_line_info): Update.
5913         (secname_for_decl): Update.
5914         (dwarf2out_var_location): Update.
5915         * function.c (free_after_compilation): Update.
5916         (assign_parm_find_stack_rtl): Update.
5917         (assign_parms): Update.
5918         (expand_dummy_function_end): Update.
5919         (expand_function_end): Update.
5920         * calls.c (mem_overlaps_already_clobbered_arg_p): Update.
5921         (expand_call): Update.
5922         (emit_library_call_value_1): Update.
5923         (store_one_arg): Update.
5924         * varasm.c (initialize_cold_section_name): Update.
5925         (unlikely_text_section): Update.
5926         (unlikely_text_section_p): Update.
5927         (assemble_start_function): Update.
5928         (assemble_end_function): Update.
5929         (default_section_type_flags): Update.
5930         (switch_to_section): Update.
5931         * integrate.c (set_decl_abstract_flags): Update.
5932         (get_hard_reg_initial_val): Update.
5933         (has_hard_reg_initial_val): Update.
5934         (allocate_initial_values): Update.
5935         * resource.c (init_resource_info): Update.
5936         * config/alpha/alpha.c (NUM_ARGS): Update.
5937         (direct_return): Update.
5938         (alpha_va_start): Update.
5939         (alpha_sa_size): Update.
5940         (alpha_initial_elimination_offset): Update.
5941         (alpha_expand_prologue): Update.
5942         (alpha_start_function): Update.
5943         (alpha_expand_epilogue): Update.
5944         (unicosmk_initial_elimination_offset):
5945         * config/alpha/alpha.md (call expander): Update.
5946         * config/s390/s390.c (s390_register_info): Update.
5947         (s390_register_info): Update.
5948         (s390_frame_info): Update.
5949         (s390_initial_elimination_offset): Update.
5950         (s390_build_builtin_va_list): Update.
5951         (s390_va_start): Update.
5952         * config/spu/spu.c (direct_return): Update.
5953         (spu_expand_prologue): Update.
5954         (spu_initial_elimination_offset): Update.
5955         (spu_build_builtin_va_list): Update.
5956         (spu_va_start): Update.
5957         * config/sparc/sparc.c (sparc_init_modes): Update.
5958         (sparc_compute_frame_size): Update.
5959         (function_value): Update.
5960         * config/m32r/m32r.c (m32r_compute_frame_size): Update.
5961         * config/i386/i386.md (return expander): Update.
5962         * config/i386/i386.c (ix86_va_start): Update.
5963         (ix86_can_use_return_insn_p): Update.
5964         (ix86_compute_frame_layout): Update.
5965         (ix86_expand_epilogue): Update.
5966         * config/sh/sh.c (output_stack_adjust): Update.
5967         (calc_live_regs): Update.
5968         (sh_expand_prologue): Update.
5969         (sh_builtin_saveregs): Update.
5970         (sh_va_start): Update.
5971         (initial_elimination_offset): Update.
5972         (sh_allocate_initial_value): Update.
5973         (sh_function_ok_for_sibcall): Update.
5974         (sh_get_pr_initial_val): Update.
5975         * config/sh/sh.md (return expander): Update.
5976         * config/avr/avr.c (frame_pointer_required_p): UPdate.
5977         * config/crx/crx.c (crx_compute_frame): UPdate.
5978         (crx_initial_elimination_offset): UPdate.
5979         * config/xtensa/xtensa.c (compute_frame_size): Update
5980         (xtensa_builtin_saveregs): Update.
5981         (xtensa_va_start): Update.
5982         (order_regs_for_local_alloc): Update.
5983         * config/stormy16/stormy16.c (xstormy16_compute_stack_layout): Update.
5984         (xstormy16_expand_builtin_va_start): Update.
5985         * config/fr30/fr30.c (fr30_compute_frame_size): Update.
5986         * config/m68hc11/m68hc11.md (return expanders): Update.
5987         * config/m68hc11/m68hc11.c (expand_prologue): Update.
5988         (expand_epilogue): Update.
5989         * config/cris/cris.c (cris_initial_frame_pointer_offset): Update.
5990         (cris_simple_epilogue): Update.
5991         (cris_expand_prologue): Update.
5992         (cris_expand_epilogue): Update.
5993         * config/iq2000/iq2000.c (iq2000_va_start): Update.
5994         (compute_frame_size): Update.
5995         * config/mt/mt.c (mt_compute_frame_size): Update.
5996         * config/mn10300/mn10300.c (expand_prologue): Update.
5997         (expand_epilogue): Update.
5998         (initial_offset): Update.
5999         (mn10300_builtin_saveregs):
6000         * config/mn10300/mn10300.md (return expander): Update.
6001         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
6002         (ia64_initial_elimination_offset): Update.
6003         (ia64_initial_elimination_offset): Update.
6004         (ia64_expand_prologue): Update.
6005         * config/m68k/m68k.md (return expander): Update.
6006         * config/rs6000/rs6000.c (rs6000_va_start): Update.
6007         (rs6000_stack_info): Update.
6008         * config/mcore/mcore.c (layout_mcore_frame): Update.
6009         (mcore_expand_prolog): Update.
6010         * config/arc/arc.c (arc_compute_frame_size): Update.
6011         * config/score/score3.c (score3_compute_frame_size): Update.
6012         * config/score/score7.c (score7_compute_frame_size): Update.
6013         * config/arm/arm.c (use_return_insn): Update.
6014         (thumb_find_work_register): Update.
6015         (arm_compute_save_reg_mask): Update.
6016         (arm_output_function_prologue): Update.
6017         (arm_output_epilogue): Update.
6018         (arm_size_return_regs): Update.
6019         (arm_get_frame_offsets): Update.
6020         (arm_expand_prologue): Update.
6021         (thumb_exit): Update.
6022         (thumb_unexpanded_epilogue): Update.
6023         (thumb1_output_function_prologue): Update.
6024         * config/pa/pa.md (return expander): Update.
6025         * config/pa/pa.c (compute_frame_size): Update.
6026         (hppa_builtin_saveregs): Update.
6027         * config/mips/mips.c (mips_va_start): Update.
6028         (mips16_build_function_stub): Update.
6029         (mips_compute_frame_info): Update.
6030         (mips_restore_gp): Update.
6031         (mips_output_function_prologue): Update.
6032         (mips_expand_prologue): Update.
6033         * config/v850/v850.c (compute_frame_size): Update.
6034         (expand_prologue): * config/mmix/mmix.c (along): update.
6035         (mmix_initial_elimination_offset): update.
6036         (mmix_reorg): update.
6037         (mmix_use_simple_return): update.
6038         (mmix_expand_prologue): update.
6039         (mmix_expand_epilogue): Update.
6040         * config/bfin/bfin.c (bfin_initial_elimination_offset): Update.
6041         (emit_link_insn): Update.
6042
6043 2008-04-08  Anatoly Sokolov <aesok@post.ru>
6044
6045         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Define 
6046         __AVR_HAVE_EIJMP_EICALL__ macro if device have EIJMP and EICALL 
6047         instructions.
6048         * config/avr/avr.c (avr_mcu_types): Set AVR31 architecture for 
6049         atmega103 device.
6050
6051 2008-04-07  Jan Hubicka  <jh@suse.cz>
6052
6053         * function.h (rtl): Rename to x_rtl.
6054         (crtl): New define.
6055         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
6056         frame_offset, stack_check_probe_note, arg_pointer_save_area,
6057         used_temp_slots avail_temp_slots, temp_slot_level,
6058         nonlocal_goto_handler_labels): Update accesstors.
6059         (rtl): New global variable.
6060         (struct function): Move some fileds to rtl_data.
6061         (get_arg_pointer_save_area): Update prototype.
6062         * builtins.c (expand_builtin_setjmp_receiver): Update call of
6063         get_arg_pointer_save_area.
6064         * expr.c (init_expr): Update
6065         * function.c (get_frame_size): Update
6066         (assign_stack_local): Update
6067         (expand_function_end): Update.
6068         (get_art_pointer_save_area): Update
6069         * function.h 
6070         * emit-rtl.c (rtl): Declare.
6071         (regno_reg_rtx): Declare.
6072         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
6073         Update.
6074         (gen_reg_rtx): Update.
6075         * varasm.c (n_deferred_constatns): Update accestor.
6076         (init_varasm_status): Do not allocate varasm_status.
6077         (force_const_mem, get_pool_size, output_constant_pool): Update.
6078         * stmt.c (force_label_rtx): Do not use x_ prefixes.
6079         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
6080         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Update.
6081         * sparc/sparc.h (INIT_EXPANDERS): Update.
6082         * ia64/ia64.h (INIT_EXPANDERS): Update.
6083
6084 2008-04-07  James E. Wilson  <wilson@tuliptree.org>
6085
6086         * reload.c (push_secondary_reload): Add missing break to for loop.
6087
6088 2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
6089
6090         PR middle-end/PR28690
6091         * rtlanal.c: Update copyright years.
6092         (commutative_operand_precedence): Give SYMBOL_REF's the same precedence
6093         as REG_POINTER and MEM_POINTER operands.
6094         * emit-rtl.c (gen_reg_rtx_and_attrs): New function.
6095         (set_reg_attrs_from_value): Call mark_reg_pointer as appropriate.
6096         * rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function.
6097         * gcse.c: Update copyright years.
6098         (pre_delete): Call gen_reg_rtx_and_attrs.
6099         (hoist_code): Likewise.
6100         (build_store_vectors): Likewise.
6101         (delete_store): Likewise.
6102         * loop-invariant.c (move_invariant_reg): Likewise.
6103         Update copyright years.
6104
6105 2008-04-07  Uros Bizjak  <ubizjak@gmail.com>
6106
6107         * config/i386/i386.md ("*sse_prologue_save_insn"): Use braced output
6108         control string instead of quoted.
6109
6110 2008-04-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
6111
6112         * doc/rtl.texi: Rewrite of subreg section.
6113
6114 2008-04-07  Kai Tietz  <kai.tietz@onevision.com>
6115
6116         PR/35842
6117         * config/i386/i386.c (legitimize_pic_address): Add treating
6118         of dllimport SYM_REF's.
6119         (legitimize_dllimport_symbol): Add prototype.
6120
6121 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
6122
6123         * fold-const.c (fold) <ARRAY_REF>: New case.  Try to fold constant
6124         reference in constructor with non self-referential type.
6125
6126 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
6127
6128         Removal of Return with Depressed Stack Pointer support
6129         * tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete.
6130         (ECF_SP_DEPRESSED): Likewise.
6131         (ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust.
6132         * calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED.
6133         (flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED.
6134         (expand_call): Do not test ECF_SP_DEPRESSED.
6135         * dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED.
6136         * function.c (keep_stack_depressed): Delete.
6137         (handle_epilogue_set): Likewise.
6138         (update_epilogue_consts): Likewise.
6139         (emit_equiv_load): Likewise.
6140         (thread_prologue_and_epilogue_insns): Remove support for Return with
6141         Depressed Stack Pointer.
6142         * print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED.
6143
6144 2008-04-06  Richard Guenther  <rguenther@suse.de>
6145
6146         PR tree-optimization/35400
6147         * tree-vrp.c (vrp_evaluate_conditional): Only query value-range
6148         information from SSA_NAMEs.
6149
6150 2008-04-06  Anatoly Sokolov <aesok@post.ru>
6151
6152         * config/avr/avr.h (avr_mega_p): Remove declaration.
6153         (AVR_MEGA): Remove macro.
6154         * config/avr/avr.c (avr_mega_p): Remove variable.
6155         (avr_override_options): Remove inicializion of avr_mega_p.
6156         Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
6157         (print_operand): Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
6158         (avr_jump_mode): (Ditto.).
6159         (avr_output_progmem_section_asm_op): (Ditto.).
6160         (avr_asm_init_sections): (Ditto.).
6161         (avr_asm_init_sections): (Ditto.).
6162         (avr_rtx_costs): (Ditto.).
6163         * config/avr/avr.md: (Ditto.).
6164         * config/avr/avr.h: Use '__AVR_HAVE_JMP_CALL__' instead of 
6165         '__AVR_MEGA__'.
6166
6167 2008-04-06  Richard Guenther  <rguenther@suse.de>
6168
6169         PR tree-optimization/35842
6170         * tree-ssa-address.c (fixed_address_object_p): Adjust to match
6171         is_gimple_invariant_address.
6172
6173 2008-04-06  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
6174
6175         * gcc.c (default_compilers): Sync Fortran extensions list with
6176         that in fortran/lang-specs.h.
6177         * doc/invoke.texi: Likewise.
6178         * dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
6179         * dwarf2out.c (gen_compile_unit_die): Likewise.
6180
6181 2008-04-06  Tom G. Christensen  <tgc@jupiterrise.com>
6182
6183         * gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &.
6184
6185 2008-04-05  Uros Bizjak  <ubizjak@gmail.com>
6186
6187         PR target/12329
6188         * config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
6189         attribute is used for nested functions.
6190
6191 2008-04-05  Jan Hubicka  <jh@suse.cz>
6192
6193         * emit-rtl.c (init_emit): xcalloc regno_pointer_align.
6194
6195         * tree-dump.c (dump_enable_all): Remove prototype; do not accept
6196         letter argument.
6197         (dump_files): Update.
6198         (enable_rtl_dump_file): Do not accept letter argument.
6199         * tree-pass.h (dump_file_info): Remove letter argument.
6200         * toplev.c (decode_d_option): Update -da handling.
6201         * toplev.h (enable_rtl_dump_file): Update prototype.
6202         * passes.c (register_one_dump_file): Do not accept IPA argument; work
6203         it out based on pass type.
6204         (register_dump_files_1): Likewise.
6205         (init_optimization_passes): Update register_one_dump_file calls.
6206         (execute_one_pass): Sanity check that IPA passes are called at IPA
6207         level and RTL passes at RTL level.
6208         (execute_pass_list): IPA pass can not be after or subpass of
6209         GIMPLE/RTL pass.
6210         (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
6211         disallov RTL subpasses of IPA subpasses.
6212
6213 2008-04-05  Ben Elliston  <bje@au.ibm.com>
6214
6215         * tree-cfg.c (need_fake_edge_p): Return false for calls to
6216         builtins that return exactly once and do not throw. Cache call to
6217         call_expr_flags.
6218
6219 2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>
6220
6221         PR rtl-optimization/34916
6222         PR middle-end/35519
6223         * combine.c (create_log_links): Do not create duplicate LOG_LINKS
6224         between instruction pairs.
6225
6226 2008-04-04  Naveen.H.S  <naveen.hs@kpitcummins.com>
6227
6228         * doc/invoke.texi: Document -mbitops for SH.
6229         * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
6230         * config/sh/predicates.md (bitwise_memory_operand): New predicate.
6231         * config/sh/sh.c (print_operand): Add %t operand code.
6232         * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
6233         * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
6234         (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
6235         (extendqihi2): Likewise.
6236         (movqi_i): Likewise.
6237         (insv): Use bset, bclr and bst instructions for SH2A if possible.
6238         (extv): Use bld instruction for SH2A if possible.
6239         (extzv): Likewise.
6240         (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
6241         bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
6242         bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
6243         (bset.b, bclr.b): Define peepholes.
6244         * config/sh/sh.opt (mbitops): New option.
6245
6246 2008-04-04  Janis Johnson  <janis187@us.ibm.com>
6247
6248         PR target/35620
6249         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
6250         and view convert expression.
6251
6252 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
6253
6254         PR target/35364
6255         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
6256
6257 2008-04-04  H.J. Lu  <hongjiu.lu@intel.com>
6258
6259         * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.
6260
6261         * config/i386/cpuid.h (bit_AES): New.
6262         (bit_PCLMUL): Likewise.
6263
6264         * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
6265         (override_options): Handle PTA_AES and PTA_PCLMUL.  Enable
6266         SSE2 if AES or PCLMUL is enabled.
6267         (ix86_builtins): Add IX86_BUILTIN_AESENC128,
6268         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
6269         IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
6270         IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
6271         (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
6272         (bdesc_2arg): Add IX86_BUILTIN_AESENC128,
6273         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
6274         IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
6275         (bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
6276         (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
6277         __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
6278         __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
6279         __builtin_ia32_aeskeygenassist128 and
6280         __builtin_ia32_pclmulqdq128.
6281         * config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
6282         (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
6283         IX86_BUILTIN_PSRLDQI128.  Handle IX86_BUILTIN_AESKEYGENASSIST128.
6284
6285         * config/i386/i386.h (TARGET_AES): New.
6286         (TARGET_PCLMUL): Likewise.
6287         (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.
6288
6289         * config/i386/i386.md (UNSPEC_AESENC): New.
6290         (UNSPEC_AESENCLAST): Likewise.
6291         (UNSPEC_AESDEC): Likewise.
6292         (UNSPEC_AESDECLAST): Likewise.
6293         (UNSPEC_AESIMC): Likewise.
6294         (UNSPEC_AESKEYGENASSIST): Likewise.
6295         (UNSPEC_PCLMUL): Likewise.
6296
6297         * config/i386/i386.opt (maes): New.
6298         (mpclmul): Likewise.
6299
6300         * config/i386/sse.md (aesenc): New pattern.
6301         (aesenclast): Likewise.
6302         (aesdec): Likewise.
6303         (aesdeclast): Likewise.
6304         (aesimc): Likewise.
6305         (aeskeygenassist): Likewise.
6306         (pclmulqdq): Likewise.
6307
6308         * config/i386/wmmintrin.h: New.
6309
6310         * doc/extend.texi: Document AES and PCLMUL built-in function.
6311
6312         * doc/invoke.texi: Document -maes and -mpclmul.
6313
6314 2008-04-04  Paolo Bonzini  <bonzini@gnu.org>
6315
6316         * function.c (free_after_parsing): Replace with
6317         cxx_push_function_context from C++ front-end.
6318         (allocate_struct_function): Don't call langhook.
6319         * langhooks.h (struct lang_hooks_for_functions): Delete.
6320         (struct lang_hooks): Add back missing_noreturn_ok_p here, delete
6321         member "function".
6322         * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
6323         (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
6324         LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
6325         LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
6326         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
6327         remove LANG_HOOKS_FUNCTION_INITIALIZER.
6328         * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.
6329
6330         * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
6331         Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
6332         
6333 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
6334
6335         PR c/35440
6336         * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
6337         for all types.
6338
6339 2008-04-04  Richard Guenther  <rguenther@suse.de>
6340
6341         PR middle-end/35823
6342         * fold-const.c (optimize_minmax_comparison): Use the correct
6343         type for the constant in the simplified comparison.
6344
6345 2008-04-04  Zuxy Meng <zuxy.meng@gmail.com>
6346
6347         * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
6348         Pass L2 size as "--param l2-cache-size" to the compiler.
6349         (decode_l2_cache): New function to decode L2 cache parameters using
6350         0x8000006 extended cpuid function.
6351         (detect_caches_amd): Determine parameters of L2 cache using
6352         decode_l2_caches function.
6353         (decode_caches_intel): Decode L2 cache parameters.
6354         (detect_caches_intel): Determine L2 cache parameters using
6355         decode_caches_intel and decode_l2_caches functions.
6356
6357 2008-04-03  Bob Wilson  <bob.wilson@acm.org>
6358
6359         * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
6360         secondary input reload for subword loads from the constant pool.
6361
6362 2008-04-03  Janis Johnson  <janis187@us.ibm.com>
6363
6364         PR target/35713
6365         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
6366           constants of the appropriate size for runtime calculations.
6367
6368         PR c/35712
6369         * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
6370           decimal-float literal constant zero.
6371
6372 2008-04-03  Jakub Jelinek  <jakub@redhat.com>
6373
6374         PR c/35738
6375         * c-parser.c (c_parser_omp_atomic): Call
6376         default_function_array_conversion on the RHS.
6377
6378         PR middle-end/35818
6379         * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
6380         call is_variable_sized if decl has incomplete type.
6381
6382 2008-04-03  H.J. Lu  <hongjiu.lu@intel.com>
6383
6384         * config/i386/i386-protos.h (ix86_aligned_p): Removed.
6385
6386 2008-04-03  Adam Nemet  <anemet@caviumnetworks.com>
6387
6388         * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
6389         iterators.
6390         (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and leu.
6391         (sgt<u>): Merge sgt and sgtu into new expander.
6392         (sgt, sgtu): Remove expanders.
6393         (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new pattern.
6394         (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
6395         (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
6396         *sgtu_<mode>_mips16 into new pattern.
6397         (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
6398         (sge<u>): Merge sge and sgeu into new expander.
6399         (sge, sgeu): Remove expanders.
6400         (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
6401         new pattern.
6402         (*sge_<mode>, second *sge_<mode>): Remove patterns.
6403         (slt<u>): Merge slt and sltu into new expander.
6404         (slt, sltu): Remove expanders.
6405         (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new pattern.
6406         (*slt_<mode>, *sltu_<mode>): Remove patterns.
6407         (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
6408         *sltu_<mode>_mips16 into new pattern.
6409         (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
6410         (sle<u>): Merge sle and sleu into new expander.
6411         (sle, sleu): Remove expanders.
6412         (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new pattern.
6413         (*sle_<mode>, *sleu_<mode>): Remove patterns.
6414         (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
6415         *sleu_<mode>_mips16 into new pattern.
6416         (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
6417
6418 2008-04-03  Jan Hubicka  <jh@suse.cz>
6419
6420         PR tree-optimization/35795
6421         * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
6422         * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
6423         * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
6424         * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
6425         * score/score3.c (score3_output_mi_thunk): Likewise.
6426         * score/score7.c (score7_output_mi_thunk): Likewise.
6427         * mips/mips.c (mips_output_mi_thunk): Likewise.
6428
6429 2008-04-03  Richard Guenther  <rguenther@suse.de>
6430
6431         * tree-vrp.c (extract_range_from_unary_expr): Handle all
6432         conversions.  Simplify code.
6433
6434 2008-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
6435
6436         * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
6437
6438 2008-04-03  Tom Tromey  <tromey@redhat.com>
6439             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6440
6441         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
6442         * config/bfin/t-bfin-linux (generated_files): Add
6443         linux-sysroot-suffix.h.
6444         * doc/install.texi (Prerequisites): Require make 3.80.
6445         * doc/sourcebuild.texi (Front End Directory): Document new
6446         variable.
6447         * Makefile.in (generated_files): New variable.
6448         (ALL_HOST_OBJS): New variable.
6449         ($(ALL_HOST_OBJS)): New target.
6450
6451 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
6452
6453         * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
6454         (remap_block): Call id->transform_lang_insert_block instead
6455         of langhook.
6456         (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
6457         Set id.transform_lang_insert_block to NULL.
6458         (clone_body): Move to cp/optimize.c
6459         * tree-inline.h (struct copy_body_data): Change
6460         transform_lang_insert_block to function pointer.
6461         (copy_generic_body, copy_decl_no_change): Export.
6462         * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
6463         * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
6464         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
6465
6466         * c-tree.h (insert_block): Kill.
6467         * c-decl.c (insert_block): Kill.
6468
6469 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
6470
6471         * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
6472         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
6473         * c-tree.h (c_push_function_context, c_pop_function_context): Remove
6474         argument.
6475         * c-decl.c (c_push_function_context, c_pop_function_context): Remove
6476         argument, call {push,pop}_function_context from here.
6477         * c-parser.c: Use c_{push,pop}_function_context.
6478
6479         * function.c (push_function_context_to): Move meat ...
6480         (push_function_context): ... here.  Simplify.
6481         * function.c (pop_function_context_from): Move meat ...
6482         (pop_function_context): ... here.  Simplify.
6483         * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
6484         leave_nested).
6485         * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
6486         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
6487         (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
6488         * tree.h (push_function_context_to, pop_function_context_from): Remove.
6489
6490 2008-04-03  Ben Elliston  <bje@au.ibm.com>
6491
6492         * expmed.c (extract_force_align_mem_bit_field): Remove.
6493
6494 2008-04-03  Richard Guenther  <rguenther@suse.de>
6495
6496         PR middle-end/35800
6497         * expr.h (try_casesi): Adjust prototype.
6498         * expr.c (try_casesi): Take fallback label as extra parameter.
6499         Use that for gen_casesi if default_label is NULL.
6500         * stmt.c (expand_case): Pass fallback label to try_casesi,
6501         make sure to fill gaps with a fallback label if default_label
6502         is not present.
6503
6504 2008-04-03  Dominique d'Humieres <dominiq@lps.ens.fr>
6505
6506         PR target/35801
6507         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
6508
6509 2008-04-03  Ben Elliston  <bje@au.ibm.com>
6510
6511         * expmed.c (extract_split_bit_field): Remove if (0) code.
6512         * tree-ssa-structalias.c (do_sd_constraint): Likewise.
6513         (do_ds_constraint): Likewise.
6514
6515 2008-04-02  Joseph Myers  <joseph@codesourcery.com>
6516
6517         * doc/cppopts.texi (-dU): Document.
6518         * c-common.h (flag_dump_macros): Update comment.
6519         * c-opts.c (handle_OPT_d): Handle -dU.
6520         * c-ppoutput.c (macro_queue, define_queue, undef_queue,
6521         dump_queued_macros, cb_used_define, cb_used_undef): New.
6522         (init_pp_output): Handle -dU.
6523         (cb_line_change): Call dump_queued_macros.
6524         * toplev.c (decode_d_option): Accept -dU as preprocessor option.
6525
6526 2008-04-02  Anatoly Sokolov <aesok@post.ru>
6527
6528         * config/avr/predicates.md (io_address_operand): New predicate. 
6529         * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
6530         * config/avr/avr.c (avr_io_address_p): Remove function.
6531         (out_movqi_r_mr): Use 'io_address_operand' predicate instead of 
6532         'avr_io_address_p' function.
6533         (out_movhi_r_mr): (Ditto.).
6534         (out_movqi_mr_r): (Ditto.).
6535         (out_movhi_mr_r): (Ditto.).
6536         (avr_address_cost): (Ditto.).
6537
6538 2008-04-02  Uros Bizjak  <ubizjak@gmail.com>
6539
6540         * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
6541         Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
6542         in 32bit mode when XMM registers are available to avoid store
6543         forwarding stalls.
6544         (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
6545         corresponding post-reload splitters.
6546
6547 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
6548
6549         * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
6550         and __builtin_ia32_shufpd.  Provide __builtin_ia32_roundsd and
6551         __builtin_ia32_roundss.
6552         (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
6553         __builtin_ia32_shufpd, __builtin_ia32_roundsd and
6554         __builtin_ia32_roundss.
6555         (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
6556         IX86_BUILTIN_SHUFPD here.
6557
6558 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
6559
6560         * config/i386/i386.md (plogic): New.
6561         (plogicprefix): Likewise.
6562
6563         * config/i386/mmx.md (mmx_<code><mode>3): New.
6564         (mmx_and<mode>3): Removed.
6565         (mmx_ior<mode>3): Likewise.
6566         (mmx_xor<mode>3): Likewise.
6567
6568         * config/i386/sse.md (<code><mode>3): New.
6569         (*<code><mode>3): Likewise.
6570         (*<code><mode>3): Likewise.
6571         (<code><mode>3): Likewise.
6572         (*sse_<code><mode>3): Likewise.
6573         (*sse2_<code><mode>3): Likewise.
6574         (<code>tf3): Likewise.
6575         (*<code>tf3): Likewise.
6576         (and<mode>3): Likewise.
6577         (*and<mode>3): Likewise.
6578         (ior<mode>3): Removed.
6579         (*ior<mode>3): Likewise.
6580         (xor<mode>3): Likewise.
6581         (*xor<mode>3): Likewise.
6582         (*and<mode>3): Likewise.
6583         (*ior<mode>3): Likewise.
6584         (*xor<mode>3): Likewise.
6585         (and<mode>3): Likewise.
6586         (*sse_and<mode>3): Likewise.
6587         (*sse2_and<mode>3): Likewise.
6588         (andtf3): Likewise.
6589         (*andtf3): Likewise.
6590         (ior<mode>3): Likewise.
6591         (*sse_ior<mode>3): Likewise.
6592         (*sse2_ior<mode>3): Likewise.
6593         (iortf3): Likewise.
6594         (*iortf3): Likewise.
6595         (xor<mode>3): Likewise.
6596         (*sse_xor<mode>3): Likewise.
6597         (*sse2_xor<mode>3): Likewise.
6598         (xortf3): Likewise.
6599         (*xortf3): Likewise.
6600
6601 2008-04-02  Richard Guenther  <rguenther@suse.de>
6602
6603         PR tree-optimization/14495
6604         PR tree-optimization/34793
6605         * tree-vrp.c (struct switch_update): New structure.
6606         (to_remove_edges, to_update_switch_stmts): New VECs.
6607         (simplify_switch_using_ranges): New function.  Remove not taken
6608         case labels and edges.
6609         (simplify_stmt_using_ranges): Call it.
6610         (identify_jump_threads): Mark edges we have queued for removal
6611         so we don't thread them.
6612         (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
6613         case label vector.
6614         * tree-cfg.c (group_case_labels): Deal with missing default label.
6615         (tree_verify_flow_info): Allow missing default label.
6616         * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
6617         (emit_case_nodes): Likewise.
6618         (expand_case): Do not rely on the default label to be present.
6619         * expr.c (try_casesi): Deal with NULL default_label.
6620         (do_tablejump): Likewise.
6621
6622 2008-04-02  Richard Guenther  <rguenther@suse.de>
6623
6624         PR tree-optimization/14495
6625         * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
6626         SWITCH_EXPR here ...
6627         (vrp_visit_switch_stmt): ... but here (new function).
6628         (find_case_label_index): New helper function.
6629         (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
6630
6631 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
6632
6633         * fwprop.c: Fix ISO-C99ism.
6634
6635 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
6636
6637         PR bootstrap/35752
6638         * Makefile.in (objdir): Set it here.
6639         * configure.ac: Not here.  Find dynamic linker characteristics.
6640         * exec-tool.in: Use them.
6641         * aclocal.m4: Regenerate.
6642         * configure: Regenerate.
6643
6644 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
6645
6646         * expr.c (expand_var): Delete it.
6647         * expr.h (expand_var): Delete prototype.
6648         * function.c (expand_function_start): Use expand_decl instead.
6649         * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
6650         langhook.
6651
6652 2008-04-02  Andy Hutchinson <hutchinsonamdy@aim.com>
6653
6654         PR rtl-optimization/35542
6655         * fwprop.c (forward_propagate_and_simplify): Replace
6656         loc_reg_mentioned_in_p with reg_mentioned_p.
6657
6658 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
6659
6660         PR rtl-optimization/35281
6661         * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
6662         (propagate_rtx_1): Handle PR_HANDLE_MEM.
6663         (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
6664         (varying_mem_p): Move above propagate_rtx.
6665         (all_uses_available_at): Do not check MEMs.
6666
6667 2008-04-02  Rafael Espindola  <espindola@google.com>
6668
6669         * tree-vrp.c (extract_code_and_val_from_cond): Remove.
6670         (register_edge_assert_for_2): Split the cond argument.
6671         (register_edge_assert_for_1): Adjust for the change in
6672         register_edge_assert_for_2.
6673         (register_edge_assert_for): Split the cond argument.
6674         (find_switch_asserts): Adjust for the change in
6675         register_edge_assert_for.
6676
6677 2008-04-02  Kai Tietz  <kai.tietz@onevision.com>
6678
6679         * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
6680         * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
6681         offsets for 64-bit mingw.
6682         * config/i386/i386.c (ix86_pass_by_reference): Correct calling
6683         abi for x86_64-pc-mingw.
6684
6685 2008-04-02  Richard Guenther  <rguenther@suse.de>
6686
6687         * tree-vrp.c (extract_range_from_assert): Make sure to not
6688         produce range min/max with TREE_OVERFOW set.
6689         If merging a anti-range and a range keep the anti-range if
6690         the range covers all values of the type.
6691         (register_edge_assert_for_2): Only allow sign-changing
6692         conversions in detecting canonical range checks.  Also
6693         register an assert for the unsigned name if useful.
6694
6695         PR tree-optimization/35787
6696         * tree-vrp.c (vrp_val_max): New function.
6697         (vrp_val_min): Likewise.
6698         (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
6699         (vrp_val_is_min): Likewise.
6700         (supports_overflow_infinity): Use vrp_val_{min,max}.
6701         (negative_overflow_infinity): Likewise.
6702         (positive_overflow_infinity): Likewise.
6703         (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
6704         (is_positive_overflow_infinity): Likewise.
6705         (is_overflow_infinity): Likewise.
6706         (avoid_overflow_infinity): Use vrp_val_{min,max} and
6707         vrp_val_is_{min,max}.
6708         (set_and_canonicalize_value_range): Canonicalize anti-ranges
6709         to ranges if possible.  Avoid empty ranges.
6710
6711 2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6712
6713         PR middle-end/35705
6714         * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
6715         the expression is a function address.
6716
6717 2008-04-01  George Helffrich  <george@gcc.gnu.org>
6718
6719         PR fortran/35154, fortran/23057
6720         * dbxout.c: Emit .stabs debug info for Fortran COMMON block
6721         variables as base symbol name + offset using N_BCOMM/N_ECOMM.
6722         (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
6723         (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
6724         in common.
6725         (dbxout_syms): Check for COMMON-based symbol and wrap in
6726         N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
6727         in bracket for efficiency.
6728
6729         * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
6730         using DW_TAG_common_block + member offset.
6731         (add_pubname_string): New function.
6732         (dw_expand_expr): New function to find block name and offset for
6733         COMMON var.
6734         (common_check): New function to check whether symbol in Fortran COMMON.
6735         (gen_variable_die): If COMMON, use DW_TAG_common_block.
6736
6737 2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>
6738
6739         PR c/35436
6740         * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
6741
6742 2008-04-02  Ben Elliston  <bje@au.ibm.com>
6743
6744         * config/v850/v850.md (casesi): Remove if (0) code.
6745         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
6746         * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
6747
6748 2008-04-01  Uros Bizjak  <ubizjak@gmail.com>
6749
6750         * config/i386/i386.md (rex64suffix): New mode attribute.
6751         (floathi<mode>2): Disable expander for SSE math.
6752         (*floathi<mode>2_1): New insn insn_and_split pattern.
6753         (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
6754         corresponding post-reload splitters.
6755         (*floathi<mode>2_i387): New macroized insn pattern.
6756         (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
6757         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
6758         insn_and_split pattern.
6759         (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
6760         New macroized instruction patterns and corresponding post-reload
6761         splitters.
6762         (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
6763         and corresponding post-reload splitters.
6764         (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
6765         New macroized instruction patterns.
6766         (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
6767         macroized instruction patterns and corresponding post-reload splitters.
6768         (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
6769         corresponding post-reload splitters.
6770         (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
6771         New macroized instruction patterns.
6772         (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
6773         corresponding post-reload splitters.
6774         (*floatsi<mode>2_i387): New macroized instruction patterns.
6775
6776 2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>
6777
6778         * config/i386/i386.md (smaxmin): New.
6779         (umaxmin): Likewise.
6780         (maxminiprefix): Likewise.
6781         (maxminfprefix): Likewise.
6782         (<code><mode>3): Likewise.
6783         (smin<mode>3): Removed.
6784         (smax<mode>3): Likewise.
6785
6786         * config/i386/mmx.md (mmx_<code>v2sf3): New.
6787         (mmx_<code>v4hi3): Likewise.
6788         (mmx_<code>v8qi3): Likewise.
6789         (mmx_smaxv2sf3): Removed.
6790         (mmx_sminv2sf3): Likewise.
6791         (mmx_umaxv8qi3): Likewise.
6792         (mmx_smaxv4hi3): Likewise.
6793         (mmx_uminv8qi3): Likewise.
6794         (mmx_sminv4hi3): Likewise.
6795
6796         * config/i386/sse.md (<addsub><mode>3): New.
6797         (*<addsub><mode>3): Likewise.
6798         (<sse>_vm<addsub><mode>3): Likewise.
6799         (<maxmin><mode>3): Likewise.
6800         (*<maxmin><mode>3_finite): Likewise.
6801         (*<maxmin><mode>3): Likewise.
6802         (<sse>_vm<maxmin><mode>3): Likewise.
6803         (sse3_h<addsub>v4sf3): Likewise.
6804         (sse3_h<addsub>v2df3): Likewise.
6805         (<maxmin>v16qi3): Likewise.
6806         (*<maxmin>v16qi3): Likewise.
6807         (<maxmin>v8hi3): Likewise.
6808         (*<maxmin>v8hi3): Likewise.
6809         (*sse4_1_<maxmin><mode>3): Likewise.
6810         (*sse4_1_<maxmin><mode>3): Likewise.
6811         (add<mode>3): Removed.
6812         (*add<mode>3): Likewise.
6813         (<sse>_vmadd<mode>3): Likewise.
6814         (sub<mode>3): Likewise.
6815         (*sub<mode>3): Likewise.
6816         (<sse>_vmsub<mode>3): Likewise.
6817         (smin<mode>3): Likewise.
6818         (*smin<mode>3_finite): Likewise.
6819         (*smin<mode>3): Likewise.
6820         (<sse>_vmsmin<mode>3): Likewise.
6821         (smax<mode>3): Likewise.
6822         (*smax<mode>3_finite): Likewise.
6823         (*smax<mode>3): Likewise.
6824         (<sse>_vmsmax<mode>3): Likewise.
6825         (sse3_haddv4sf3): Likewise.
6826         (sse3_haddv2df3): Likewise.
6827         (sse3_hsubv4sf3): Likewise.
6828         (sse3_hsubv2df3): Likewise.
6829         (umaxv16qi3): Likewise.
6830         (*umaxv16qi3): Likewise.
6831         (smaxv8hi3): Likewise.
6832         (*smaxv8hi3): Likewise.
6833         (*sse4_1_smax<mode>3): Likewise.
6834         (*sse4_1_umax<mode>3): Likewise.
6835         (uminv16qi3): Likewise.
6836         (*uminv16qi3): Likewise.
6837         (sminv8hi3): Likewise.
6838         (*sminv8hi3): Likewise.
6839         (*sse4_1_smin<mode>3): Likewise.
6840         (*sse4_1_umin<mode>3): Likewise.
6841
6842 2008-04-01  Rafael Espindola  <espindola@google.com>
6843
6844         * tree-cfg.c (verify_expr): remove in_phi.
6845         (verify_stmt): Don't call walk_tree with verify_expr. Use
6846         is_gimple_min_invariant instead of is_gimple_val.
6847
6848 2008-04-01  Joseph Myers  <joseph@codesourcery.com>
6849
6850         * doc/include/gpl_v3.texi: Update for manpage generation.
6851         * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
6852         gpl.texi.
6853         * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
6854         * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
6855         gpl_v3.texi instead of gpl.texi.
6856         (gpl.pod): New.
6857
6858 2008-04-01  Jakub Jelinek  <jakub@redhat.com>
6859
6860         PR pch/13675
6861         * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
6862
6863 2008-04-01  Rafael Espindola  <espindola@google.com>
6864
6865         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
6866         (extract_code_and_val_from_cond): Use
6867         extract_code_and_val_from_cond_with_ops.
6868
6869 2008-04-01  Jan Hubicka  <jh@suse.cz>
6870
6871         * function.c (free_after_compilation): Free epilogue_delay_list.
6872         (prepare_function_start): Assert that previous compilation was freed.
6873
6874 2008-04-01  Jan Hubicka  <jh@suse.cz>
6875             Jim Wilson  <wilson@tuliptree.org>
6876             Andreas Tobler <andreast@gcc.gnu.org>
6877
6878         PR middle-end/35781
6879         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
6880         rtl.emit instead cfun->emit.
6881         * sparc/sparc.h (INIT_EXPANDERS): Likewise.
6882         * ia64/ia64.h (INIT_EXPANDERS): Likewise.
6883
6884 2008-04-01  Ben Elliston  <bje@au.ibm.com>
6885
6886         * doc/c-tree.texi (Function Basics): Fix grammatical error.
6887
6888 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
6889
6890         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
6891         New options
6892         (fprofile-use): Add var flag_profile_use
6893         * coverage.c (coverage_begin_output): Do not open a gcno file for
6894         output only if -ftest-coverage is set.
6895         Do not add getpwd() to gcda file path.
6896         (build_gcov_info): Check the new flag
6897         flag_profile_datafile_relative_path.
6898         (coverage_init): Use profile_data_prefix.
6899         Read profile counter only if flag_profile_use is set.
6900         * opts.c (common_handle_option): New option fprofile-use=,
6901         fprofile-dir=, fprofile-generate=.
6902         * toplev.c (profile_data_prefix): New variable definition.
6903         * toplev.h (profile_data_prefix): New declaration.
6904         * doc/invoke.tex (Option Summary, Optimization Options):
6905         Add new options.
6906
6907 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
6908
6909         * varasm.c (output_constant_pool_1): In LABEL_REF check,
6910         use tmp consistently.
6911
6912         PR target/35695
6913         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
6914         * config/ia64/ia64.c (rtx_needs_barrier): Handle
6915         UNSPEC_FR_RECIP_APPROX_RES.
6916         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
6917
6918 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
6919
6920         PR c/35750
6921         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
6922
6923 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6924
6925         PR middle-end/30186
6926         * fold-const.c (fold_indirect_ref_1): Support accessing non first
6927         element of the vector via a pointer.
6928
6929 2008-03-31  Ian Lance Taylor  <iant@google.com>
6930
6931         * tlink.c (scan_linker_output): Look for symbol name in single quotes.
6932
6933 2008-03-31  Jan Hubicka  <jh@suse.cz>
6934
6935         * builtins.c (expand_builtin_setjmp_receiver): Update call of
6936         get_arg_pointer_save_area.
6937         * expr.c (init_expr): Just clear out rtl.expr.
6938         * function.c (free_after_compilation): Clear out whole RTL structure.
6939         (get_func_frame_size): Merge into ...
6940         (get_frame_size): ... this one.
6941         (assign_stack_local_1): Merge into ...
6942         (assign_stack_local): ... this one.
6943         (expand_function_end): Update call of get_arg_pointer_save_area.
6944         (get_art_pointer_save_area): Remove cfun argument.
6945         * function.h (emit_status): regno_pointer_align does not need length
6946         attribute. Move x_regno_reg_rtx to ...
6947         (regno_reg_rtx): ... new global array.
6948         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
6949         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
6950         apply_args_value, forced_labels, stack_pointer_delta):
6951         Update accestors.
6952         (struct varasm_status): Move here from varasm.c
6953         (struct rtl_data): New. Move here some fields from struct function.
6954         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
6955         frame_offset, stack_check_probe_note, arg_pointer_save_area,
6956         used_temp_slots avail_temp_slots, temp_slot_level,
6957         nonlocal_goto_handler_labels): Update accesstors.
6958         (rtl): New global variable.
6959         (struct function): Move some fileds to rtl_data.
6960         (get_arg_pointer_save_area): Update prototype.
6961         * emit-rtl.c (rtl): Declare.
6962         (regno_reg_rtx): Declare.
6963         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
6964         Update.
6965         (gen_reg_rtx): Update.
6966         (init_virtual_regs): Do not tate emit_status argument.
6967         (init_emit): Do not allocate emit.
6968         * varasm.c (varasm_statuc): Move to function.h.
6969         (n_deferred_constatns): Update accestor.
6970         (init_varasm_status): Do not allocate varasm_status.
6971         (force_const_mem, get_pool_size, output_constant_pool): Update.
6972         * stmt.c (force_label_rtx): Do not use x_ prefixes.
6973         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
6974
6975 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
6976
6977         PR rtl-optimization/35729
6978         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
6979         references.
6980
6981 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
6982
6983         PR target/32000
6984         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
6985         load/store if memory is unaligned.
6986         (*movti_rex64): Likewise.
6987
6988         * config/i386/predicates.md (misaligned_operand): New.
6989
6990 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
6991
6992         PR tree-opt/35431
6993         * tree-ssa-phiopt.c (conditional_replacement): Return early for
6994         complex types.
6995
6996 2008-03-31  Jan Beulich  <jbeulich@novell.com>
6997
6998         * config/ia64/constraints.md: Add 'j' constraint.
6999         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
7000         (movdi_internal): Likewise.
7001
7002 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
7003
7004         PR c/35748
7005         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
7006
7007 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
7008
7009         PR target/35757
7010         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
7011         proper error message for the third argument on blendpd and
7012         blendps.
7013
7014         * config/i386/sse.md (blendbits): New.
7015         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
7016
7017 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
7018
7019         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
7020
7021 2008-03-30  Richard Guenther  <rguenther@suse.de>
7022
7023         PR middle-end/31023
7024         * fold-const.c (fold_sign_changed_comparison): Do leave
7025         conversions to base-types alone.
7026
7027 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7028
7029         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
7030         the link register if one altivec register is be saved.
7031
7032 2008-03-30  Ben Elliston  <bje@au.ibm.com>
7033
7034         * final.c (final_scan_insn): Remove if (0) code.
7035
7036 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
7037
7038         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
7039
7040 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
7041
7042         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
7043         of V4SFmode to ix86_binary_operator_ok.
7044
7045 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
7046
7047         * config/i386/i386.c (override_options): Initialize
7048         ix86_veclib_handler to ix86_veclibabi_svml when
7049         -mveclibabi=svml is used.
7050         (ix86_veclibabi_svml): New function for SVML ABI style
7051         vectorization support.
7052         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
7053
7054 2008-03-28  Rafael Espindola  <espindola@google.com>
7055
7056         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
7057         (tree_binary_nonnegative_warnv_p): Make it public.
7058         (tree_single_nonnegative_warnv_p): Make it public.
7059         (tree_invalid_nonnegative_warnv_p): Make it public.
7060         (tree_unary_nonzero_warnv_p): Make it public.
7061         (tree_binary_nonzero_warnv_p): Make it public
7062         (tree_single_nonzero_warnv_p): Make it public.
7063         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
7064         (extract_range_from_binary_expr): Split the expr argument.
7065         (extract_range_from_unary_expr): Split the expr argument.
7066         (extract_range_from_comparison): Split the expr argument.
7067         (extract_range_from_expr): Use the new aux functions.
7068         (vrp_evaluate_conditional_warnv): Use
7069         vrp_evaluate_conditional_warnv_with_ops.
7070         * tree.h (tree_unary_nonzero_warnv_p): Declare.
7071         (tree_binary_nonzero_warnv_p): Declare.
7072         (tree_single_nonzero_warnv_p): Declare.
7073         (tree_expr_nonzero_warnv_p): Declare.
7074         (tree_unary_nonnegative_warnv_p): Declare.
7075         (tree_binary_nonnegative_warnv_p): Declare.
7076         (tree_single_nonnegative_warnv_p): Declare.
7077         (tree_invalid_nonnegative_warnv_p): Declare.
7078
7079 2008-03-28  Richard Guenther  <rguenther@suse.de>
7080
7081         PR tree-optimization/30317
7082         PR tree-optimization/30911
7083         PR tree-optimization/34793
7084         * tree-vrp.c (set_and_canonicalize_value_range): New function.
7085         (struct assert_locus_d): New member EXPR.
7086         (register_new_assert_for): Add EXPR parameter to support
7087         ASSERT_EXPR <name, expr OP limit>.
7088         (register_edge_assert_for_1): Adjust callers.
7089         (find_assert_locations): Likewise.
7090         (process_assert_insertions_for): Build condition from expression.
7091         (extract_range_from_assert): Handle ASSERT_EXPRs
7092         of the form ASSERT_EXPR <name, expr OP limit>.
7093         (register_edge_assert_for_2): New helper registering
7094         asserts for comparisons.  Recognize range tests of the form
7095         (unsigned)i - CST1 OP CST2.
7096         (register_edge_assert_for_1): Use it.
7097         (register_edge_assert_for): Likewise.
7098         (needs_overflow_infinity): Integer sub-types
7099         do not need overflow infinities.
7100         (vrp_val_is_max): The extreme values of integer sub-types
7101         are those of the base type.
7102         (vrp_val_is_min): Likewise.
7103         * tree.def (ASSERT_EXPR): Document extra allowed conditional
7104         expressions.
7105
7106 2008-03-28  Nick Clifton  <nickc@redhat.com>
7107
7108         PR target/31110
7109         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
7110         Return GENERAL_REGS for stack adjustment reloads.
7111
7112 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7113
7114         PR target/31334
7115         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
7116         const_vector when all the vectors are constant.
7117
7118 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
7119
7120         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
7121         comparisons.
7122         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
7123         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
7124         (scc_sf): New.
7125         (s<code>_sf): Use new scc_sf attribute for opcode names.
7126
7127 2008-03-27  Tom Tromey  <tromey@redhat.com>
7128
7129         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
7130         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
7131         config/spu/t-spu-elf, config/i386/t-interix,
7132         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
7133         config/i386/x-darwin, config/i386/x-mingw32,
7134         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
7135         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
7136         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
7137         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
7138         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
7139         config/rs6000/x-darwin, config/rs6000/t-rs6000,
7140         config/score/t-score-elf, config/arm/t-strongarm-pe,
7141         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
7142         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
7143         Revert automatic dependency patch.
7144
7145 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
7146
7147         PR target/35657
7148         * config/i386/i386.c (ix86_function_arg_boundary): Align
7149         decimal floating point to its natural boundary.
7150
7151 2008-03-27  Richard Guenther  <rguenther@suse.de>
7152
7153         PR middle-end/35716
7154         * fold-const.c (fold_comparison): Restrict distinct decl
7155         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
7156         solely rely on operand_equal_p.
7157
7158 2008-03-27  Richard Guenther  <rguenther@suse.de>
7159
7160         PR c/32511
7161         * c-common.c (handle_weak_attribute): Reject combination of
7162         weak and inline.
7163
7164 2008-03-27  Richard Guenther  <rguenther@suse.de>
7165
7166         PR tree-optimization/32810
7167         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
7168         conversions from DECL_INITIAL.
7169         (fold_const_aggregate_ref): Likewise from constructor elements.
7170
7171 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
7172
7173         * tree-affine.h (aff_combination_expand): Declare.
7174         (get_inner_reference_aff): Likewise.
7175         * tree-affine.c (aff_combination_expand): Split out from
7176         tree_to_aff_combination_expand.
7177         (get_inner_reference_aff): New function.
7178         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
7179         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
7180         (struct lim_aux_data): sm_done field removed.
7181         (mem_ref_loc_p, mem_ref_locs_p): New types.
7182         (struct mem_ref): Added id, stored, accesses_in_loop,
7183         indep_loop, dep_loop, indep_ref, dep_ref fields.
7184         Removed is_stored, locs and next fields.
7185         (memory_accesses): New variable.
7186         (movement_possibility): Do not allow moving statements
7187         that store to memory.
7188         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
7189         New functions.
7190         (determine_max_movement): For statements with memory references,
7191         find the outermost loop in that the reference is independent.
7192         (move_computations_stmt): Mark the virtual operands for renaming.
7193         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
7194         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
7195         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
7196         add_vop_ref_mapping, create_vop_ref_mapping_loop,
7197         create_vop_ref_mapping, analyze_memory_references,
7198         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
7199         get_all_locs_in_loop, ref_always_accessed_p,
7200         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
7201         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
7202         store_motion_loop, store_motion): New functions.
7203         (struct vop_to_refs_elt): New type.
7204         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
7205         memref_hash, memref_eq, hoist_memory_references): Rewritten.
7206         (schedule_sm): Replaced by...
7207         (execute_sm): ... this.
7208         (determine_lsm_ref, hoist_memory_references,
7209         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
7210         find_more_ref_vops, free_mem_ref, free_mem_refs,
7211         determine_lsm_loop, determine_lsm): Removed.
7212         (tree_ssa_lim_finalize): Free data structures used by store motion.
7213         (tree_ssa_lim): Call analyze_memory_references.  Use
7214         store_motion instead of determine_lsm.
7215
7216 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
7217
7218         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
7219         rename tmake_file to m68hc11/t-m68hc11.
7220         (mcore): Set inhibit_libc to true.
7221         * config.host (alpha*-dec-*vms*): Set extra_programs.
7222         (interix3*): Don't use host_xmake_file.
7223         * configure.ac: Let config.gcc override inhibit_libc.
7224         * configure: Regenerate.
7225
7226         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
7227         * config/t-openbsd-thread: Remove commented out lines.
7228         
7229         * config/x-interix: Remove.
7230
7231         * config/m68hc11/t-m68hc11-gas: Rename to...
7232         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
7233
7234         * config/mcore/t-mcore: Remove T_CFLAGS.
7235         * config/mcore/t-mcore-pe: Likewise.
7236
7237 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
7238
7239         * configure.ac: Replace custom __GNU_SOURCE test with
7240         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
7241         * aclocal.m4: Regenerate.
7242         * configure: Regenerate.
7243         * config.in: Regenerate.
7244
7245 2008-03-27  Richard Guenther  <rguenther@suse.de>
7246
7247         * fold-const.c (target.h): Include.
7248         (fold_comparison): Fold comparison of addresses of decls
7249         that bind locally or of constants.  Consolidate address folding code.
7250         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
7251         results from fold_binary_to_constant.
7252         (compare_values_warnv): Likewise.
7253
7254 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
7255
7256         PR middle-end/35429
7257         * fold-const.c (fold_truthop): Check for integeral types when folding
7258         a == 0 && b == 0 and a != 0 || b != 0 .
7259
7260 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
7261
7262         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
7263
7264 2008-03-26  Andreas Schwab  <schwab@suse.de>
7265
7266         * doc/invoke.texi: Fix use of @item vs. @itemx.
7267
7268 2008-03-26  Tom Tromey  <tromey@redhat.com>
7269
7270         * Makefile.in (build/gensupport.o, build/print-rtl.o,
7271         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
7272         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
7273         build/gencodes.o, build/genconditions.o, build/genconfig.o,
7274         build/genconstants.o, build/genemit.o, build/genextract.o,
7275         build/genflags.o, build/genmddeps.o, build/genopinit.o,
7276         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
7277         options.h.
7278
7279 2008-03-26  Richard Guenther  <rguenther@suse.de>
7280
7281         Revert
7282         2008-03-26  Richard Guenther  <rguenther@suse.de>
7283
7284         * fold-const.c (target.h): Include.
7285         (fold_comparison): Fold comparison of addresses of two decls
7286         that bind locally.  Consolidate address folding code.
7287
7288 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7289
7290         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
7291         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
7292         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
7293         dconstsqrt2, dconstthird, dconste and/or dconst10.
7294         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
7295         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
7296         dconstsqrt2, dconste): Delete.
7297         (init_emit_once): Likewise.  Simplify initializing dconstm1.
7298         Constify variable.
7299         * real.c (get_real_const): New.
7300         * real.h (dconst3, dconst10, dconstm2, dconstthird,
7301         dconstsqrt2, dconste): Delete.
7302         (real_value_const, get_real_const): New.
7303
7304 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
7305
7306         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
7307
7308         * config/i386/i386.c (ix86_function_arg_boundary): Check
7309         BIGGEST_ALIGNMENT instead of 128.
7310         (setup_incoming_varargs_64): Likewise.
7311
7312 2008-03-26  Tom Tromey  <tromey@redhat.com>
7313
7314         * Makefile.in (DEPFILES): Add missing '/'.
7315
7316 2008-03-26  Richard Guenther  <rguenther@suse.de>
7317
7318         * fold-const.c (target.h): Include.
7319         (fold_comparison): Fold comparison of addresses of two decls
7320         that bind locally.  Consolidate address folding code.
7321
7322 2008-03-26  Nick Clifton  <nickc@redhat.com>
7323
7324         PR target/31232
7325         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
7326         not allow INT+INT as a legitimate addressing mode.
7327
7328 2008-03-26  Richard Guenther  <rguenther@suse.de>
7329
7330         * tree-flow.h (widen_bitfield): Remove declaration.
7331         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
7332         (widen_bitfield): Remove function.
7333         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
7334         code.
7335
7336 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7337
7338         PR target/31558
7339         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
7340         error_mark_node's.
7341
7342 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
7343
7344         PR rtl-optimization/35232
7345         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
7346         (forget_old_reloads_1, forget_marked_reloads): Don't clear
7347         reg_reloaded_call_part_clobbered here.
7348         (reload_regs_reach_end_p): New function.
7349         (reload_reg_rtx_for_input): New variable.
7350         (reload_reg_rtx_for_output): Likewise.
7351         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
7352         when reassigning a pseudo register.  Load reloadreg from 
7353         reload_reg_rtx_for_input, moving the mode and register
7354         calculation to...
7355         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
7356         instead of the original when deciding whether an input reload
7357         would be a no-op or whether an output reload can be deleted.
7358         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
7359         when setting up new_spill_reg_store.  Load it from
7360         reload_reg_rtx_for_output, moving the mode and register
7361         calculation to...
7362         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
7363         instead of the original when deciding whether an output reload
7364         would be a no-op.  Do the same when modifying insn notes.
7365         Use rtx_equal_p instead of == to compare the registers.
7366         (inherit_piecemeal_p): Take a mode and two register numbers
7367         as argument.
7368         (emit_reload_insns): Clear new_spill_reg_store for every hard
7369         register in the reload register.  Remove spill registers
7370         from reg_reloaded_valid before considering whether to record
7371         inheritance information for them.  Use reload_reg_rtx_for_output
7372         instead of reg_rtx when recording output reloads.  Use
7373         reload_reg_rtx_for_input instead of reg_rtx when recording
7374         input reloads.  Set or clear reg_reloaded_call_part_clobbered
7375         at the same time as setting reg_reloaded_valid.
7376         (delete_output_reload): Add a new_reload_reg parameter and use it
7377         instead of rld[j].reg_rtx.
7378         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
7379         calls accordingly.
7380
7381 2008-03-25  Tom Tromey  <tromey@redhat.com>
7382
7383         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
7384         (build/genattr.o): Likewise.
7385         (build/genattrtab.o): Likewise.
7386         (build/gencodes.o): Likewise.
7387         (build/genconfig.o): Likewise.
7388         (build/genconstants.o): Likewise.
7389         (build/genemit.o): Likewise.
7390         (build/genextract.o): Likewise.
7391         (build/genflags.o): Likewise.
7392
7393 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
7394         
7395         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
7396         instead of size_int for integer types.
7397         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
7398         to match type of MINUS_EXPR.
7399         
7400 2008-03-25  Tom Tromey  <tromey@redhat.com>
7401
7402         * configure: Rebuilt.
7403         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
7404         Makefile.
7405
7406 2008-03-25  Tom Tromey  <tromey@redhat.com>
7407
7408         * config/x-solaris (host-solaris.o): Update.
7409         * config/x-linux (host-linux.o): Update.
7410         * config/x-hpux (host-hpux.o): Update.
7411         * config/x-darwin (host-darwin.o): Update.
7412         * config/v850/t-v850e (v850-c.o): Update.
7413         * config/v850/t-v850 (v850-c.o): Update.
7414         * config/t-vxworks (vxworks.o): Update.
7415         * config/t-sol2 (sol2-c.o, sol2.o): Update.
7416         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
7417         * config/spu/t-spu-elf (spu-c.o): Update.
7418         (spu.o): Remove.
7419         * config/sh/t-symbian (sh-c.o): Update.
7420         (symbian.o): Update.
7421         * config/sh/t-sh (sh-c.o): Update.
7422         * config/score/t-score-elf (score7.o, score3.o): Update.
7423         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
7424         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
7425         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
7426         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
7427         (rs6000.o): Remove.
7428         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
7429         * config/m32c/t-m32c (m32c-pragma.o): Update.
7430         * config/ia64/t-ia64 (ia64-c.o): Update.
7431         * config/i386/x-mingw32 (host-mingw32.o): Update.
7432         * config/i386/x-i386 (driver-i386.o): Update.
7433         * config/i386/x-darwin (host-i386-darwin.o): Update.
7434         * config/i386/x-cygwin (host-cygwin.o): Update.
7435         * config/i386/t-nwld (nwld.o): Update.
7436         * config/i386/t-netware (netware.o): Update.
7437         * config/i386/t-interix (winnt.o): Update.
7438         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
7439         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
7440         msformat-c.o): Update.
7441         * config/bfin/t-bfin-linux (generated_files): Add
7442         linux-sysroot-suffix.h.
7443         * config/arm/t-wince-pe (pe.o): Update.
7444         * config/arm/t-strongarm-pe (pe.o): Update.
7445         * config/arm/t-pe (pe.o): Update.
7446         * config/arm/t-arm (arm-c.o): Update.
7447         * doc/install.texi (Prerequisites): Require make 3.80.
7448         * Makefile.in: Remove .o targets.
7449         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
7450         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
7451         (simple_generated_h, simple_generated_c): Move earlier.
7452         (generated_files): New variable.
7453         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
7454         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
7455         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
7456         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
7457         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
7458         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
7459         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
7460         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
7461         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
7462         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
7463         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
7464         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
7465         (.c.o): Remove.
7466         (COMPILE.base, COMPILE): New variables.
7467         (%.o): New pattern rule.
7468         (ALL_HOST_OBJS): New variable.
7469         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
7470         (dummy-checksum.o, cc1-checksum.o): Remove.
7471         (DRIVER_SHLIB): New variable.
7472         (DRIVER_DEFINES): Use it.
7473         (gencondmd.c): Move out of build/.
7474         (s-conditions): Update.
7475         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
7476         (ALL_BUILD_OBJS): Likewise.
7477         (build/%.o): Use BUILDCOMPILE.
7478         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
7479         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
7480         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
7481         build/gencheck.o, build/gencodes.o, build/genconditions.o,
7482         build/genconfig.o, build/genconstants.o, build/genemit.o,
7483         build/genextract.o, build/genflags.o, build/genmddeps.o,
7484         build/genopinit.o, build/genoutput.o, build/genpeep.o,
7485         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
7486         build/gen-protos.o, build/scan.o, build/fix-header.o,
7487         build/scan-decls.o): Simplify.
7488         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
7489         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
7490         prefix.o, toplev.o): Reduce to variable setting.
7491         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
7492         ($(out_object_file), gcc-options.o): New targets.
7493         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
7494         * configure: Rebuilt.
7495         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
7496         * doc/sourcebuild.texi (Front End Directory): Document new variable.
7497
7498 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
7499
7500         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
7501         complain when we hit an error, return ERROR_MARK_NODE.
7502
7503 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
7504
7505         * config/sh/constraints.md (Pso, Psz): New constraints.
7506         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
7507         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
7508
7509 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
7510
7511         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
7512         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
7513
7514 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
7515
7516         * config/sh/sh.md (prefetch): Add condition for SH2A target.
7517         (prefetch_sh2a): New.   
7518
7519 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
7520             Naveen.H.S  <naveen.hs@kpitcummins.com>
7521
7522         * config/sh/constraints.md (I28): New constraint.
7523         * config/sh/sh.c (broken_move): Add support for movi20s.
7524         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
7525
7526 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
7527             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
7528             Naveen.H.S  <naveen.hs@kpitcummins.com>
7529
7530         * config/sh/sh.c (SH_ATTRIBUTES): Define.
7531         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
7532         (print_operand): Handle resbank in %@ operand code.
7533         (sh_encode_section_info): New.
7534         (push_regs): Add conditions for resbank.
7535         (sh_expand_epilogue): Likewise.
7536         (sh_insert_attributes): Likewise.
7537         (sh_attribute_table): Likewise.
7538         (sh_handle_resbank_handler_attribute): New.
7539         (sh2a_handle_function_vector_handler_attribute): New.
7540         (sh2a_is_function_vector_call): New.
7541         (sh2a_get_function_vector_number): New.
7542         (sh2a_function_vector_p): New.
7543         (sh_cfun_resbank_handler_p): New.
7544         * config/sh/sh.md (calli): Emit jsr/n if possible.
7545         (calli_tbr_rel): New.
7546         (calli_pcrel): Emit jsr/n if possible.
7547         (return_i): Emit rts/n if possible.
7548         (call_valuei_tbr_rel): New.
7549         (call_valuei_pcrel): Add condition for SH2A target.
7550         (call_value): Likewise.
7551         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
7552         (sh2a_get_function_vector_number): Likewise.
7553         (sh2a_is_function_vector_call): Likewise.
7554         * doc/extend.texi: Document TBR relative addressing of SH2A.
7555         (resbank): Add description for SH2A.
7556
7557 2008-03-24  Richard Guenther  <rguenther@suse.de>
7558
7559         PR c/22371
7560         * gimplify.c (gimplify_modify_expr): For frontend type-correct
7561         pointer assignments change conversions according to middle-end rules.
7562         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
7563         * configure.ac: Include type checking in yes.
7564         * configure: Regenerate.
7565
7566 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7567
7568         * diagnostic.c (diagnostic_count_diagnostic): Delete.
7569         (diagnostic_report_diagnostic): Update. Handle ICEs here.
7570         
7571 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
7572
7573         * gthr-vxworks.h (UNUSED): Define.
7574
7575 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
7576
7577         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
7578
7579 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
7580
7581         * doc/extend.texi (Function Attributes): Add missing comma in the
7582         example of the "alloc_size" attribute.
7583         
7584 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
7585
7586         Revert:
7587         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
7588
7589         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
7590         32bit host.
7591
7592         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
7593
7594         PR target/35496
7595         * stor-layout.c (update_alignment_for_field): Set minimum alignment
7596         of the underlying type of a MS bitfield layout to the natural
7597         alignment of the type.
7598
7599         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
7600
7601         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
7602         to their natural alignment to avoid store forwarding stalls.
7603
7604 2008-03-22  Richard Guenther  <rguenther@suse.de>
7605
7606         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
7607         For PHI nodes verify the address is invariant.
7608         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
7609         (get_symbol_constant_value): Use is_gimple_min_invariant.
7610         (maybe_fold_stmt_indirect): Likewise.
7611
7612 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
7613
7614         PR rtl-optimization/33927
7615         * Makefile.in (dse.o): Depend on $(TM_P_H).
7616         * expr.h (extract_low_bits): Declare.
7617         * expmed.c (extract_low_bits): New function.
7618         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
7619         * dse.c: Include tm_p.h.
7620         (find_shift_sequence): Remove the read_reg argument and return the
7621         read value.  Emit the instructions instead of returning them.
7622         Iterate on new_mode rather than calculating it each time.
7623         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
7624         source to NEW_MODE and extract_low_bits to convert the shifted
7625         value to READ_MODE.
7626         (replace_read): Allow the load and store to have different mode
7627         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
7628         or extraction instructions before trying the replacement.  Update
7629         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
7630
7631 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
7632
7633         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
7634         to their natural alignment to avoid store forwarding stalls.
7635
7636 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7637
7638         PR target/27946
7639         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
7640         encouraging but not allowing gprs for input;
7641         change the input constraint to !f#r.
7642         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
7643         gprs for output;
7644         change the output constraint to !f#r.
7645
7646 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
7647
7648         PR target/13958
7649         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
7650         corresponding post-reload splitters.
7651         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
7652         when x87 FP math is selected.
7653         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
7654         New function prototype.
7655         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
7656         unreachable function to ease macroization of insn patterns.
7657
7658 2008-03-21  Martin Jambor  <mjambor@suse.cz>
7659
7660         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
7661         reference dumps if ddr is NULL or dependence is unknown.
7662
7663 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
7664
7665         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
7666         unsigned extension into account.
7667         (ATOMIC_COMPARE_AND_SWAP): Likewise.
7668         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
7669         Do computations on a scratch register.
7670
7671 2008-03-21  Richard Guenther  <rguenther@suse.de>
7672
7673         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
7674         Use is_gimple_min_invariant instead of TREE_INVARIANT.
7675         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
7676         * tree-ssa-dom.c (record_equality): Likewise.
7677         * tree-inline.c (copy_body_r): Likewise.
7678         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
7679         TREE_INVARIANT.
7680
7681 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
7682
7683         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
7684         as 'delete_unused' argument.
7685
7686 2008-03-20  Richard Guenther  <rguenther@suse.de>
7687
7688         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
7689         special casing of constant qualifiers.
7690         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
7691         care about them in general.
7692         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
7693         regardless of their type.
7694         (fold_stmt_r): Forcefully fold *& if we end up with that.
7695
7696 2008-03-20  Paul Brook  <paul@codesourcery.com>
7697
7698         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
7699         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
7700         linker flags.
7701         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
7702         definition.
7703         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
7704         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
7705
7706 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
7707
7708         * common.opt (Wmudflap): New option.
7709         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
7710         (mx_register_decls): Likewise.
7711         (mudflap_finish_file): Likewise.
7712         * doc/invoke.texi: Document -Wno-mudflap.
7713
7714 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
7715
7716         * c-format.c (replace_format_name_to_system_name): New.
7717         (cmp_attribs): New.
7718         (convert_format_name_to_system_name): New.
7719         (decode_format_attr): Add use of convert_format_name_to_system_name.
7720         (format_types_orig): Add gnu_ prefix to names.
7721         (check_format_info_main): Special treating of \0 escaped names for
7722         supporting multi-character format specifiers as I32, I64.
7723         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
7724         (gnu_target_overrides_format_attributes): New.
7725         * c-format.h: Add structure target_ovr_attr to hold
7726         system specific formatter names.
7727         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
7728         msformat-c.o file to c_target_objs and cxx_target_objs.
7729         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
7730         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
7731         (TARGET_N_FORMAT_TYPES): New.
7732         * config/i386/msformat-c.c: New.
7733         * config/i386/t-cygming: Add build rule for msformat-c.o.
7734         * doc/extend.texi: Add new format names gnu_* and ms_* and
7735         further details.
7736         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
7737
7738 2008-03-20  Ira Rosen  <irar@il.ibm.com>
7739
7740         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
7741         optimizations turned on under -O3.
7742         (ftree-vectorize): Add that the flag is turned on with -O3.
7743
7744 2008-03-20  Ben Elliston  <bje@au.ibm.com>
7745
7746         * regmove.c (try_auto_increment): Fix spelling error in comment.
7747         * final.c (final_scan_insn): Likewise.
7748
7749 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
7750
7751         PR target/14552
7752         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
7753         allocator preferences for "y" and "r" class registers.
7754         ("*mov<mode>_internal"): Ditto.
7755         ("*movv2sf_internal_rex64"): Ditto.
7756         ("*movv2sf_internal"): Ditto.
7757
7758 2008-03-19  Michael Matz  <matz@suse.de>
7759
7760         PR middle-end/35616
7761         * calls.c (expand_call): Check overlap of arguments with call
7762         address for sibcalls.
7763
7764 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
7765
7766         PR target/35496
7767         * stor-layout.c (update_alignment_for_field): Set minimum alignment
7768         of the underlying type of a MS bitfield layout to the natural
7769         alignment of the type.
7770
7771 2008-03-19  Jan Hubicka  <jh@suse.cz>
7772
7773         PR other/35094
7774         * toplev.c (decode_d_option): Handle all CPP flags.
7775         * tree-vrp.c: Update tree_pass descriptors.
7776         * regrename.c: Update tree_pass descriptors.
7777         * fwprop.c: Update tree_pass descriptors.
7778         * doc/invoke.texi: Remove documentation of dropped -d? flags.
7779         * tree-into-ssa.c: Update tree_pass descriptors.
7780         * tree-dump.c: Update tree_pass descriptors.
7781         * tree-complex.c: Update tree_pass descriptors.
7782         * tree-dump.h: Update tree_pass descriptors.
7783         * see.c: Update tree_pass descriptors.
7784         * cgraphbuild.c: Update tree_pass descriptors.
7785         * tracer.c: Update tree_pass descriptors.
7786         * tree-loop-distribution.c: Update tree_pass descriptors.
7787         * cgraph.c: Update tree_pass descriptors.
7788         * postreload-gcse.c: Update tree_pass descriptors.
7789         * postreload.c: Update tree_pass descriptors.
7790         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
7791         * tree-tailcall.c: Update tree_pass descriptors.
7792         * tree-pass.h (tree_opt_pass): Rename to ...
7793         (opt_pass) ... this one; add "type" field and remove letter field.
7794         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
7795         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
7796         all_lowering_passes): Update declaration.
7797         * ipa-cp.c: Update tree_pass descriptors.
7798         * final.c: Update tree_pass descriptors.
7799         * omp-low.c: Update tree_pass descriptors.
7800         * tree-ssa-dse.c: Update tree_pass descriptors.
7801         * ipa-reference.c: Update tree_pass descriptors.
7802         * tree-ssa-uncprop.c: Update tree_pass descriptors.
7803         * auto-inc-dec.c: Update tree_pass descriptors.
7804         * reorg.c: Update tree_pass descriptors.
7805         * cgraphunit.c: Update tree_pass descriptors.
7806         * tree-ssa-copyrename.c: Update tree_pass descriptors.
7807         * tree-ssa-ccp.c: Update tree_pass descriptors.
7808         * df-core.c: Update tree_pass descriptors.
7809         * mode-switching.c: Update tree_pass descriptors.
7810         * tree-nomudflap.c: Update tree_pass descriptors.
7811         * modulo-sched.c: Update tree_pass descriptors.
7812         * ipa-pure-const.c: Update tree_pass descriptors.
7813         * cse.c: Update tree_pass descriptors.
7814         * web.c: Update tree_pass descriptors.
7815         * tree-stdarg.c: Update tree_pass descriptors.
7816         * tree-ssa-math-opts.c: Update tree_pass descriptors.
7817         * tree-ssa-dom.c: Update tree_pass descriptors.
7818         * tree-nrv.c: Update tree_pass descriptors.
7819         * tree-ssa-alias.c: Update tree_pass descriptors.
7820         * loop-init.c: Update tree_pass descriptors.
7821         * gimple-low.c: Update tree_pass descriptors.
7822         * ipa-inline.c: Update tree_pass descriptors.
7823         * tree-ssa-sink.c: Update tree_pass descriptors.
7824         * global.c: Update tree_pass descriptors.
7825         * ifcvt.c: Update tree_pass descriptors.
7826         * jump.c: Update tree_pass descriptors.
7827         * predict.c: Update tree_pass descriptors.
7828         * tree-ssa-loop.c: Update tree_pass descriptors.
7829         * recog.c: Update tree_pass descriptors.
7830         * dse.c: Update tree_pass descriptors.
7831         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
7832         * tree-eh.c: Update tree_pass descriptors.
7833         * regmove.c: Update tree_pass descriptors.
7834         * local-alloc.c
7835         * function.c: Update tree_pass descriptors.
7836         * tree-vectorizer.c: Update tree_pass descriptors.
7837         * gcse.c: Update tree_pass descriptors.
7838         * ipa-type-escape.c: Update tree_pass descriptors.
7839         * tree-if-conv.c: Update tree_pass descriptors.
7840         * init-regs.c: Update tree_pass descriptors.
7841         * ipa.c: Update tree_pass descriptors.
7842         * tree-ssa-phiopt.c: Update tree_pass descriptors.
7843         * rtl-factoring.c: Update tree_pass descriptors.
7844         * lower-subreg.c: Update tree_pass descriptors.
7845         * bt-load.c: Update tree_pass descriptors.
7846         * tree-dfa.c: Update tree_pass descriptors.
7847         * except.c: Update tree_pass descriptors.
7848         * emit-rtl.c: Update tree_pass descriptors.
7849         * cfgexpand.c: Update tree_pass descriptors.
7850         * tree-cfgcleanup.c: Update tree_pass descriptors.
7851         * cfgcleanup.c: Update tree_pass descriptors.
7852         * tree-ssa-pre.c: Update tree_pass descriptors.
7853         * tree-sra.c: Update tree_pass descriptors.
7854         * tree-mudflap.c: Update tree_pass descriptors.
7855         * tree-ssa-copy.c: Update tree_pass descriptors.
7856         * cfglayout.c: Update tree_pass descriptors.
7857         * tree-ssa-forwprop.c: Update tree_pass descriptors.
7858         * tree-ssa-dce.c: Update tree_pass descriptors.
7859         * tree-ssa.c: Update tree_pass descriptors.
7860         * regclass.c: Update tree_pass descriptors.
7861         * integrate.c: Update tree_pass descriptors.
7862         * tree-optimize.c: Update tree_pass descriptors.
7863         * tree-ssa-phiprop.c: Update tree_pass descriptors.
7864         * tree-object-size.c: Update tree_pass descriptors.
7865         * combine.c: Update tree_pass descriptors.
7866         * tree-outof-ssa.c: Update tree_pass descriptors.
7867         * bb-reorder.c: Update tree_pass descriptors.
7868         * stack-ptr-mod.c: Update tree_pass descriptors.
7869         * var-tracking.c: Update tree_pass descriptors.
7870         * tree-profile.c: Update tree_pass descriptors.
7871         * tree-vect-generic.c: Update tree_pass descriptors.
7872         * reg-stack.c: Update tree_pass descriptors.
7873         * sched-rgn.c: Update tree_pass descriptors.
7874         * tree-ssa-structalias.c: Update tree_pass descriptors.
7875         * tree-cfg.c: Update tree_pass descriptors.
7876         * passes.c (current_pass): Update declaration.
7877         (finish_optimization_passes): Update.
7878         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
7879         (register_one_dump_file, register_dump_files_1, next_pass_1):
7880         Update arguments.
7881         (init_optimization_passes): Update handling of new types.
7882         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
7883         * ipa-struct-reorg.c: Update tree_pass descriptors.
7884         * tree-ssa-reassoc.c: Update tree_pass descriptors.
7885         * combine-stack-adj.c: Update tree_pass descriptors.
7886         * cfgrtl.c: Update tree_pass descriptors.
7887         * dce.c: Update tree_pass descriptors.
7888         * tree-ssanames.c: Update tree_pass descriptors.
7889
7890 2008-03-19  Richard Guenther  <rguenther@suse.de>
7891
7892         PR middle-end/35609
7893         * tree-ssa.c (walk_data): New structure.
7894         (warn_uninitialized_var): If not always_executed warn with "maybe"
7895         instead of "is".
7896         (execute_early_warn_uninitialized): Compute post-dominators.
7897         Initialize always_executed before processing each basic block.
7898
7899 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
7900
7901         PR target/35504
7902         * config/i386/i386.c (x86_this_parameter): Calculate correct location
7903         of "this" pointer when "regparm = N" or "fastcall" is in effect.
7904
7905 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7906
7907         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
7908
7909 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
7910
7911         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
7912         is true.
7913         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
7914         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
7915         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
7916         target after ignore has been set, and move there also the commputation
7917         of subtarget and original_target.
7918         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
7919         (LANG_HOOKS_INITIALIZER): Remove it.
7920         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
7921
7922 2008-03-18  Richard Guenther  <rguenther@suse.de>
7923
7924         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
7925         found an expression with constants, note that in the VN for the lhs.
7926         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
7927         fold them to constants if possible.  Run cleanup_cfg if done so.
7928         (execute_pre): Return todo.
7929         (do_pre): Likewise.
7930         (execute_fre): Likewise.
7931         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
7932         of constants.
7933         (get_prop_source_stmt): Look through pointer conversions.
7934
7935 2008-03-18  Jan Hubicka  <jh@suse.cz>
7936
7937         * tree-pretty-print.c: Include predict.h.
7938         (dump_generic_node): Dump predictor.
7939         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
7940         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
7941         * gimple-low.c (lower_stmt): Likewise.
7942         * expr.c (expand_expr_real): Likewise.
7943         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
7944         them.
7945         (build_predict_expr, build_predict_expr): New.
7946         * predict.h (predictor_name, build_predict_expr): Update.
7947         * c-typeck.c (c_finish_bc_stmt): Add prediction.
7948         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
7949         * predict.def (PRED_CONTINUE): Update hitrate.
7950         * tree.def (PREDICT_EXPR): Define.
7951         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
7952         do not handle BIND_EXPR.
7953         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
7954         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
7955         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
7956         operands.
7957
7958 2008-03-18  Michael Matz  <matz@suse.de>
7959
7960         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
7961
7962 2008-03-18  Richard Guenther  <rguenther@suse.de>
7963
7964         * tree-gimple.h (is_gimple_invariant_address): Declare.
7965         (is_gimple_constant): Likewise.
7966         * tree-gimple.c (is_gimple_constant): New function.
7967         (is_gimple_invariant_address): Likewise.
7968         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
7969         and is_gimple_invariant_address.
7970         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
7971         previous change.
7972         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
7973         an addressable base.
7974
7975 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
7976
7977         PR middle-end/35611
7978         * gimplify.c (gimplify_expr): Gimplify second operand of
7979         OMP_ATOMIC_LOAD.
7980
7981 2008-03-17  Richard Guenther  <rguenther@suse.de>
7982
7983         PR tree-optimization/19637
7984         * fold-const.c (fold_unary): Remove restrictions of removing
7985         intermediate pointer-conversions (P2)(P1)P0.
7986         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
7987         conversion to void pointer.
7988         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
7989
7990 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
7991
7992         PR debug/31510
7993         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
7994         emulated thread local variables.
7995
7996 2008-03-16  Richard Guenther  <rguenther@suse.de>
7997
7998         PR middle-end/35607
7999         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
8000         expand TREE_INVARIANT operations that are not gimple invariant.
8001
8002 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
8003
8004         * doc/extend.texi (Alignment): Say that the ABI controls
8005         the __alignof__ for non-strict-alignment targets rather
8006         than being a recommendation.
8007
8008 2008-03-15  Paul Brook  <paul@codesourcery.com>
8009
8010         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
8011         annotations.
8012         (arm_output_fn_unwind): Mark functions that can not be unwound.
8013
8014 2008-03-15  Paul Brook  <paul@codesourcery.com>
8015
8016         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
8017         extension instructions.
8018
8019 2008-03-15  Richard Guenther  <rguenther@suse.de>
8020
8021         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
8022         and fold constant aggregate refs.
8023         (fold_const_aggregate_ref): Handle string constants
8024         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
8025         (evaluate_stmt): Simplify now that ccp_fold folds constant
8026         aggregate refs.
8027
8028 2008-03-15  Paul Brook  <paul@codesourcery.com>
8029
8030         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
8031         (extzv): Use gen_extzv_t2.
8032         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
8033
8034 2008-03-15  Richard Guenther  <rguenther@suse.de>
8035
8036         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
8037         (fold_const_aggregate_ref): Likewise.
8038         (get_value): Return NULL if we don't have any values.
8039         (ccp_finalize): Set const_val to NULL after freeing it.
8040         * tree-flow.h (get_symbol_constant_value): Declare.
8041         (fold_const_aggregate_ref): Likewise.
8042         * tree-ssa-sccvn.c (try_to_simplify): Use them.
8043
8044 2008-03-15  Richard Guenther  <rguenther@suse.de>
8045
8046         PR middle-end/35593
8047         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
8048         to not produce negative array indices if not allowed.  Add
8049         parameter to indicate that.
8050         (maybe_fold_offset_to_component_ref): Allow negative array
8051         indices only for the first member of a structure.
8052         (maybe_fold_offset_to_reference): Allow negative array indices.
8053         (maybe_fold_stmt_addition): Likewise.
8054
8055 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
8056             Anatoly Sokolov <aesok@post.ru>
8057
8058         * config/avr/avr.c (avr_arch_types): Add avr6 entry.
8059         (avr_arch): Add ARCH_AVR6.
8060         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
8061         (initial_elimination_offset): Initialize and use 'avr_pc_size' 
8062         instead of fixed value 2.
8063         (print_operand_address): Use gs() asm specifier instead of pm().
8064         (avr_assemble_integer): (Ditto.).
8065         (avr_output_addr_vec_elt): (Ditto.).
8066         (print_operand): Handle "!" code.
8067         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add 
8068         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
8069         (AVR_HAVE_EIJMP_EICALL): Define.
8070         (AVR_3_BYTE_PC): Redefine.
8071         (AVR_2_BYTE_PC): (Ditto.).
8072         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
8073         (LINK_SPEC): Add atmega2560 and atmega2561.
8074         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561 
8075         (crtm2561.o).
8076         * config/avr/avr.md (call_insn): Use eicall instead of icall 
8077         for 3 byte PC devices.
8078         (call_value_insn): (Ditto.).
8079         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
8080         (indirect_jump): Use only for for 2 byte PC devices.
8081         (*tablejump): (Ditto.).
8082         (*indirect_jump_avr6): Add insn.
8083         (*tablejump_rjmp): Don't use for 3 byte PC devices.
8084         * config/avr/libgcc.S (__prologue_saves__): Use eijmp 
8085         instead of ijmp for 3 byte PC devices.
8086         (__tablejump2__): (Ditto.).
8087         * config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
8088         (MULITLIB_DIRNAMES): (Ditto.). 
8089         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
8090
8091 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
8092
8093         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
8094         "sse2_umulsidi3".  Use V1DI mode for operand 0.
8095         ("mmx_psadbw"): Use V1DI mode for operand 0.
8096         * config/i386/i386-modes.def (V1SI): New vector mode.
8097         * config/i386/i386.c (struct builtin_description)
8098         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
8099         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
8100         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
8101         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
8102         v1di_ftype_v8qi_v8qi type.
8103         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
8104
8105         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
8106         __builtin_ia32_pmuludq]: Fix the mode of return value.
8107
8108 2008-03-15  Richard Guenther  <rguenther@suse.de>
8109
8110         PR middle-end/35595
8111         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
8112         being a PHI_NODE.
8113
8114 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
8115         
8116         * doc/invoke.texi (Option Summary, Xtensa Options): Document
8117         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
8118         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
8119         unless TARGET_SERIALIZE_VOLATILE is enabled.
8120         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
8121         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
8122         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
8123
8124 2008-03-14  Richard Guenther  <rguenther@suse.de>
8125
8126         PR tree-optimization/34172
8127         * tree-flow.h (refs_may_alias_p): Declare.
8128         (get_single_def_stmt): Likewise.
8129         (get_single_def_stmt_from_phi): Likewise.
8130         (get_single_def_stmt_with_phi): Likewise.
8131         * tree-dfa.c (refs_may_alias_p): New function.
8132         (get_single_def_stmt): Likewise.
8133         (get_single_def_stmt_from_phi): Likewise.
8134         (get_single_def_stmt_with_phi): Likewise.
8135         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
8136         (vn_reference_lookup_1): New helper function.
8137         (vn_reference_lookup): Walk the virtual use-def chain to
8138         continue searching for a match if the def does not alias the
8139         reference we are looking for.
8140
8141 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
8142
8143         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
8144         archive and Perzl.  Update The Written Word listing.
8145
8146 2008-03-14  Richard Guenther  <rguenther@suse.de>
8147
8148         PR tree-optimization/34043
8149         PR tree-optimization/33989
8150         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
8151         when doing FRE.
8152         (bitmap_find_leader): Use extra argument to verify dominance
8153         relationship inside a basic-block.
8154         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
8155         (find_leader_in_sets): Adjust.
8156         (create_component_ref_by_pieces): Take extra argument for
8157         dominance check, handle lookup failures.
8158         (find_or_generate_expression): Likewise.
8159         (create_expression_by_pieces): Likewise.
8160         (insert_into_preds_of_block): Adjust.
8161         (create_value_expr_from): If asked for, verify all operands
8162         are in the blocks AVAIL_OUT set.
8163         (make_values_for_stmt): Check for SSA_NAMEs that are life
8164         over an abnormal edge.
8165         (compute_avail): Remove such check.
8166         (do_SCCVN_insertion): New function.
8167         (eliminate): If we do not find a leader suitable for replacement
8168         insert a replacement expression from SCCVN if available.
8169         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
8170         (struct vn_ssa_aux): Add needs_insertion flag.
8171         * tree-ssa-sccvn.c (may_insert): New global flag.
8172         (copy_reference_ops_from_ref): Value-number union member access
8173         based on its size, not type and member if insertion is allowed.
8174         (visit_reference_op_load): For a weak match from union type
8175         punning lookup a view-converted value and insert a SSA_NAME
8176         for that value if that is not found.
8177         (visit_use): Make dumps shorter.  Do not disallow value numbering
8178         SSA_NAMEs that are life over an abnormal edge to constants.
8179         (free_scc_vn): Release inserted SSA_NAMEs.
8180         (run_scc_vn): New flag to specify whether insertion is allowed.
8181         Process SSA_NAMEs in forward order.
8182         * tree-ssa-loop-im.c (for_each_index): Handle invariant
8183         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
8184         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
8185         pointer type to/from integral types that do not change the
8186         precision to regular conversions.
8187
8188 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
8189
8190         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
8191         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
8192         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
8193         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
8194         input arguments and the mode of return value.  Built-in functions
8195         that operate on whole 64-bit MMX register now use V1DI mode.
8196
8197 2008-03-13  Alon Dayan  <alond@il.ibm.com>
8198             Olga Golovanevsky  <olga@il.ibm.com>
8199
8200         PR tree-optimization/35041
8201         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
8202         to locate the right position in a statement.
8203
8204 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
8205
8206         PR target/34000
8207         PR target/35553
8208         * config/i386/xmmintrin.h:  Change all static inline functions to
8209         extern inline and add __gnu_inline__ attribute.
8210         * config/i386/bmintrin.h: Ditto.
8211         * config/i386/smmintrin.h: Ditto.
8212         * config/i386/tmmintrin.h: Ditto.
8213         * config/i386/mmintrin-common.h: Ditto.
8214         * config/i386/ammintrin.h: Ditto.
8215         * config/i386/emmintrin.h: Ditto.
8216         * config/i386/pmmintrin.h: Ditto.
8217         * config/i386/mmintrin.h: Ditto.
8218         * config/i386/mm3dnow.h: Ditto.
8219
8220 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
8221
8222         PR middle-end/35185
8223         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
8224         (lower_omp_2): New function.
8225         (lower_omp_1, lower_omp): Rewritten.
8226
8227 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
8228
8229         PR 35054
8230         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
8231         with the phrase "Microsoft Windows compilers".
8232         (Push/Pop Macro Pragmas): New subsection. Document
8233         #pragma push_macro and pragma pop_macro.
8234
8235 2008-03-12  Paul Brook  <paul@codesourcery.com>
8236
8237         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
8238
8239 2008-03-12  Paul Brook  <paul@codesourcery.com>
8240
8241         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
8242         (thumb2_alusi3_short): Exclude PLUS and MINUS.
8243         (thumb2_addsi_shortim): Rename ...
8244         (thumb2_addsi_short): ... to this.  Allow register operands.
8245         (thumb2_subsi_short): New pattern.
8246         (thumb2_one_cmplsi2_short,
8247         thumb2_negsi2_short): New patterns and peepholes.
8248
8249 2008-03-12  Paul Brook  <paul@codesourcery.com>
8250
8251         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
8252
8253 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
8254
8255         * config/i386/i386.md (int_cond): New code iterator.
8256         (fp_cond): Ditto.
8257         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
8258         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
8259         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
8260         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
8261         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
8262         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
8263         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
8264         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
8265
8266 2008-03-12  Paul Brook  <paul@codesourcery.com>
8267
8268         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
8269         instead of {arm,thumb}_compute_save_reg_mask.
8270         (output_return_instruction): Ditto.
8271         (thumb_unexpanded_epilogue): Ditto.
8272         (thumb1_expand_prologue): Ditto.
8273         (thumb1_output_function_prologue): Ditto.
8274         (arm_set_return_address): Ditto.
8275         (thumb_set_return_address): Ditto.
8276         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
8277         regs to achieve stack alignment.
8278         (thumb1_compute_save_reg_mask): Fix compiler warning.
8279         (arm_output_epilogue): Use offsets->saved_regs_mask.
8280         Adjust stack pointer by poping call clobered registers.
8281         (arm_expand_prologue): Use offsets->saved_regs_mask.
8282         Adjust stack pointer by pushing extra registers.
8283         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
8284
8285 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
8286
8287         PR tree-opt/35422
8288         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
8289         conversion to the operands of a multiplication.
8290
8291 2008-03-12  Richard Guenther  <rguenther@suse.de>
8292
8293         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
8294         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
8295         * timevar.def (TV_TREE_PHIPROP): Add.
8296         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
8297         pass description.  Use TV_TREE_PHIPROP.
8298         * tree-ssa-forwprop.c: Remove phiprop code.
8299
8300 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
8301
8302         PR middle-end/35549
8303         * omp-low.c (maybe_lookup_decl): Constify first argument.
8304         (use_pointer_for_field): Change last argument from bool to
8305         omp_context *.  Disallow shared copy-in/out in nested
8306         parallel if decl is shared in outer parallel too.
8307         (build_outer_var_ref, scan_sharing_clauses,
8308         lower_rec_input_clauses, lower_copyprivate_clauses,
8309         lower_send_clauses, lower_send_shared_vars): Adjust callers.
8310
8311 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
8312             Ira Rosen  <irar@il.ibm.com>
8313
8314         * tree-vectorizer.c (free_stmt_vec_info): New function.
8315         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
8316         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
8317         * tree-vectorizer.h (free_stmt_vec_info): Declare.
8318         * tree-vect-transform.c (vectorizable_conversion): Free
8319         vec_oprnds0 if it was allocated.
8320         (vect_permute_store_chain): Remove unused VECs.
8321         (vectorizable_store): Free VECs that are allocated in the..
8322         function.
8323         (vect_transform_strided_load, vectorizable_load): Likewise.
8324         (vect_remove_stores): Simplify the code.
8325         (vect_transform_loop): Move code to vect_remove_stores().
8326         Call vect_remove_stores() and free_stmt_vec_info().
8327
8328 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8329
8330         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
8331         TARGET_HPUX.  Revise comment.
8332         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
8333         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
8334         Use sr4 variant of `be' instruction when not generating PIC code.
8335         (attr_length_call): Adjust for above change.
8336
8337 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8338
8339         * ipa-reference.c (static_execute): Remove module_statics_const and
8340         associated setting code.
8341
8342 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
8343
8344         PR target/35540
8345         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
8346         predicate for operand 1.
8347         (paritysi2_cmp): Use register_operand predicate for operand 2.
8348         Use earlyclobber modifier for operand 1.  Remove support for
8349         memory operands.
8350         (paritydi2_cmp): Use register_operand predicate for operand 3.
8351         Use earlyclobber modifier for operand 1.  Remove support for
8352         memory operands.
8353
8354 2008-03-11  Paul Brook  <paul@codesourcery.com>
8355             Vladimir Prus  <vladimir@codesourcery.com>
8356
8357         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
8358         (arm_compute_save_reg0_reg12_mask): Always
8359         check if register 11 must be saved.  Always safe hard frame pointer
8360         when frame_pointer_needeed.
8361         (arm_compute_save_reg_mask): Save IP and PC
8362         only with apcs frames.
8363         (arm_output_epilogue): Adjust Thumb2 codepath to
8364         be also invoked and work for ARM non-apcs frames.
8365         (arm_expand_prologue): Don't bother saving IP
8366         for non-apcs frame, since it's not clobbered by
8367         prologue code.  Implement non-apcs frame
8368         layout.
8369
8370 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
8371
8372         PR rtl-optimization/35281
8373         * expr.c (convert_move): Use a new pseudo for the intermediate
8374         from_mode->word_mode result.
8375
8376 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
8377
8378         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
8379         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
8380         * toplev.c (compile_file): Don't call it.
8381
8382 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
8383
8384         PR middle-end/35526
8385         * expr.c (store_expr): Call emit_block_move if the mode
8386         of "temp" RTX is BLKmode.
8387
8388 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8389             Richard Guenther  <rguenther@suse.de>
8390
8391         PR tree-optimization/31358
8392         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
8393         the step with a NULL_TREE.
8394         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
8395         to sizetype if type is a pointer type.
8396         (add_candidate_1): Don't convert the base and step to
8397         the generic type if the orginal type is a pointer type.
8398         (add_iv_value_candidates): Use sizetype for the step
8399         if type is a pointer type.
8400         (cand_value_at): Likewise.
8401         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
8402         for pointer types.
8403         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
8404         Don't convert the tem affine to the type.
8405         (add_elt_to_tree): Use sizetype for the step if a pointer.
8406         Use POINTER_PLUS_EXPR for pointers.
8407         (aff_combination_to_tree): Use sizetype for the step if a
8408         pointer.
8409
8410 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
8411
8412         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
8413         Remove commutativity hint.
8414
8415 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
8416
8417         PR c/35438
8418         PR c/35439
8419         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
8420         errorneous type.  Check that v is a VAR_DECL.
8421
8422         PR middle-end/35099
8423         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
8424
8425 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
8426
8427         PR tree-optimization/35494
8428         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
8429         may be overriden at link and run time.
8430
8431 2008-03-10  Richard Guenther  <rguenther@suse.de>
8432
8433         PR tree-optimization/34677
8434         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
8435         (poolify_tree): Likewise.
8436         (modify_expr_template): Likewise.
8437         (poolify_modify_stmt): Likewise.
8438         (insert_fake_stores): Handle all component-ref style stores
8439         in addition to INDIRECT_REF.  Also handle complex types.
8440         Do not poolify the inserted load.
8441         (realify_fake_stores): Do not rebuild the tree but only
8442         make it a SSA_NAME copy.
8443         (init_pre): Remove initialzation of modify_expr_template.
8444         Do not allocate modify_expr_node_pool.
8445         (fini_pre): Do not free modify_expr_node_pool.
8446
8447 2008-03-10  Paul Brook  <paul@codesourcery.com>
8448
8449         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
8450         to avoid conflicts.
8451
8452 2008-03-10  Paul Brook  <paul@codesourcery.com>
8453             Mark Shinwell  <shinwell@codesourcery.com>
8454
8455         * config/arm/cortex-r4.md: New.
8456         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
8457         insn attributes.
8458         * config/arm/arm.md: Include cortex-r4.md.
8459         (insn): Add smmls, sdiv and udiv values.
8460         (generic_sched): Don't use generic scheduling for Cortex-R4.
8461         (arm_issue_rate): New function.
8462         (TARGET_SCHED_ISSUE_RATE): Define.
8463
8464 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
8465
8466         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
8467
8468 2008-03-10  Richard Guenther  <rguenther@suse.de>
8469
8470         * tree-ssa-pre.c (get_sccvn_value): Simplify.
8471         (compute_avail): Do not add stmt uses to AVAIL_OUT.
8472
8473 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
8474
8475         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
8476         Set default to true.
8477
8478 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8479
8480         * c.opt (Wsynth): Deprecate.
8481         * doc/invoke.texi (Option Summary, Warning Options): Document
8482         -Wno-format-contains-nul.
8483
8484 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
8485
8486         PR target/35496
8487         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
8488         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
8489
8490 2008-03-09  Ira Rosen  <irar@il.ibm.com>
8491
8492         * config/rs6000/rs6000.c (builtin_description): Rename vector
8493         left shift operations.
8494         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
8495         (altivec_vsl<VI_char>): Rename to ...
8496         (ashl<mode>3): ... new name.
8497         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
8498         gen_ashlv4si3.
8499         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
8500
8501 2008-03-08  Richard Guenther  <rguenther@suse.de>
8502
8503         * coverage.h (tree_coverage_counter_addr): Declare.
8504         * coverage.c (tree_coverage_counter_addr): New function.
8505         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
8506         before using again.
8507         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
8508         (tree_gen_one_value_profiler): Likewise.
8509         (tree_gen_ic_profiler): Likewise.
8510         (tree_gen_average_profiler): Likewise.
8511         (tree_gen_ior_profiler): Likewise.
8512
8513 2008-03-08  Richard Guenther  <rguenther@suse.de>
8514
8515         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
8516         (vn_binary_op_insert): Likewise.
8517         (vn_unary_op_lookup): Likewise.
8518         (vn_unary_op_insert): Likewise.
8519         (vn_nary_op_lookup): Declare.
8520         (vn_nary_op_insert): Likewise.
8521         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
8522         and binary hashes, use a single obstack for unary_op_pool
8523         and binary_op_pool.
8524         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
8525         a single struct vn_nary_op_s.  Store tree code length and
8526         a variable number of operands.
8527         (struct vn_reference_op_struct): Remove unused op2.
8528         (vn_reference_op_eq): Do not compare op2.
8529         (vn_reference_op_compute_hash): Do not compute hash of op2.
8530         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
8531         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
8532         with vn_nary_op_compute_hash.
8533         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
8534         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
8535         vn_nary_op_lookup.
8536         (vn_unary_op_insert, vn_binary_op_insert): Replace with
8537         vn_nary_op_insert.
8538         (visit_unary_op): Call nary functions.
8539         (visit_binary_op): Likewise.
8540         (process_scc): Adjust for struct vn_tables_s changes.
8541         (allocate_vn_table): Likewise.
8542         (free_vn_table): Likewise.
8543         * tree-vn.c (vn_add): Call nary functions.
8544         (vn_lookup): Likewise.
8545
8546 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
8547
8548         PR target/35498
8549         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
8550         wdst back after sync_compare_and_swapqhi_internal.
8551
8552 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
8553
8554         PR target/22152
8555         * config/i386/i386-modes.def (V1DI): New vector mode.
8556         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
8557         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
8558         (MMXMODE248): Ditto.
8559         (MMXMODE): Add V1DI mode.
8560         (mmxvecsize): Change DI mode to V1DI mode.
8561         ("mov<mode>): Use MMXMODEI8 mode iterator.
8562         ("*mov<mode>_internal_rex64"): Ditto.
8563         ("*mov<mode>_internal"): Ditto.
8564         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
8565         ("mmx_sub<mode>3"): Ditto.
8566         ("mmx_adddi3"): Remove insn pattern.
8567         ("mmx_subdi3"): Ditto.
8568         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
8569         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
8570         ("mmx_ashl<mode>3"): Ditto.
8571         ("mmx_lshrdi3"): Remove insn pattern.
8572         ("mmx_ashldi3"): Ditto.
8573         * config/i386/i386.c (classify_argument): Handle V1DImode.
8574         (function_arg_advance_32): Ditto.
8575         (function_arg_32): Ditto.
8576         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
8577         mmx_addv1di3 insn pattern.
8578         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
8579         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
8580         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
8581         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
8582         Remove definitions of built-in functions.
8583         (V1DI_type_node): New node.
8584         (v1di_ftype_v1di_int): Ditto.
8585         (v1di_ftype_v1di_v1di): Ditto.
8586         (v2si_ftype_v2si_si): Ditto.
8587         (v4hi_ftype_v4hi_di): Remove node.
8588         (v2si_ftype_v2si_di): Ditto.
8589         (ix86_init_mmx_sse_builtins): Handle V1DImode.
8590         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
8591         Redefine builtins using def_builtin_const with *_ftype_*_int node.
8592         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
8593         Add new builtins using def_builtin_const.
8594         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
8595         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
8596         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
8597         * config/i386/mmintrin.h (__v1di): New typedef.
8598         (_mm_add_si64): Cast arguments to __v1di type.
8599         (_mm_sub_si64): Ditto.
8600         (_mm_sll_pi16): Cast __count to __v4hi type.
8601         (_mm_sll_pi32): Cast __count to __v2si type.
8602         (_mm_sll_si64): Cast arguments to __v1di type.
8603         (_mm_srl_pi16): Cast __count to __v4hi type.
8604         (_mm_srl_pi32): Cast __count to __v2si type.
8605         (_mm_srl_si64): Cast arguments to __v1di type.
8606         (_mm_sra_pi16): Cast __count to __v4hi type.
8607         (_mm_sra_pi32): Cast __count to __v2si type.
8608         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
8609         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
8610         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
8611         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
8612         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
8613         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
8614         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
8615         (_mm_srai_pi32): Use __builtin_ia32_psradi.
8616         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
8617         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
8618         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
8619         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
8620
8621 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
8622
8623         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
8624
8625 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
8626
8627         PR target/35373
8628         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
8629         reg+const addressing for Altivec modes.  Don't generate reg+reg
8630         addressing for TFmode or TDmode quantities.
8631
8632 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
8633
8634         * c-common.c (vector_types_convertible_p): Call langhook
8635         instead of comptypes.
8636
8637 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8638
8639         PR tree-opt/35402
8640         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
8641         integral and scalar float variables which have a
8642         NULL DECL_INITIAL.
8643
8644 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
8645
8646         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
8647         dwarf_register_span hook when emitting unwind information for
8648         register-to-memory saves.
8649         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
8650         (rs6000_frame_related): Remove call to spe_synthesize_frame.
8651
8652 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
8653
8654         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
8655         for the same VAR_DECL.
8656
8657 2008-03-06  Tom Tromey  <tromey@redhat.com>
8658
8659         * treelang: Delete.
8660         * doc/standards.texi (Standards): Don't mention treelang.
8661         * doc/invoke.texi (Overall Options): Don't mention treelang.
8662         * doc/install.texi (Prerequisites): Don't mention bison or
8663         treelang.
8664         (Configuration): Don't mention treelang.
8665         (Building): Likewise.
8666         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
8667
8668 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
8669
8670         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
8671         word-extractions out of a multi-word object.
8672
8673 2008-03-06  Richard Guenther  <rguenther@suse.de>
8674
8675         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
8676         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
8677         result type and precision.
8678         * expr.c (get_inner_reference): Set unsignedp based on the result
8679         type of BIT_FIELD_REF.
8680         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
8681         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
8682         (try_instantiate_multiple_fields): Likewise.  Use the correct type
8683         for BIT_FIELD_REF.
8684         (sra_build_assignment): Likewise.
8685         (sra_build_elt_assignment): Likewise.
8686         (sra_explode_bitfield_assignment): Likewise.
8687         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
8688         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
8689         set BIT_FIELD_REF_UNSIGNED.
8690         (vectorizable_load): Likewise.
8691
8692 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
8693
8694         * cse.c (cse_extended_basic_block): Invalidate artificial defs
8695         at bb start.
8696
8697 2008-03-06  Richard Guenther  <rguenther@suse.de>
8698
8699         * alias.c (struct alias_set_entry): Move has_zero_child field
8700         to pack with alias_set.
8701
8702 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
8703
8704         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
8705         32bit host.
8706
8707 2008-03-05  Ian Lance Taylor  <iant@google.com>
8708
8709         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
8710
8711 2008-03-05  Kenneth Zadeck  <zadeck@naturalbridge.com>
8712
8713         * fwprop.c (update_df): Support width and offset parameters of
8714         df_ref_create.
8715         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
8716         global_conflicts): Change DF_REF_EXTRACT to either
8717         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
8718         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
8719         * df-scan.c (df_ref_record, df_defs_record,
8720         df_ref_create_structure, df_def_record_1, df_uses_record,
8721         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
8722         df_bb_refs_collect, df_entry_block_defs_collect,
8723         df_exit_block_uses_collect): Support new width and offset fields.
8724         (ref_extract_pool): New storage pool.
8725         (df_free_ref): New function.
8726         (df_reg_chain_unlink, df_free_collection_rec,
8727         df_sort_and_compress_refs): Call df_free_ref.
8728         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
8729         of df_ref_extract.
8730         (df_ref_create_structure): Allocate df_ref_extract if offset and
8731         width fields are used.
8732         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
8733         (df_uses_record): Get offset and width from ZERO_EXTRACT 
8734         and SIGN_EXTRACT.
8735         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
8736         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
8737         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
8738         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
8739         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
8740         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
8741         (df_ref_extract): New structure.
8742         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
8743         (df_ref_create): Add width and offset parameters.
8744         
8745 2008-03-05  Richard Guenther  <rguenther@suse.de>
8746
8747         * tree-ssa-structalias.c (get_constraint_for_component_ref):
8748         Use ranges_overlap_p.
8749         (offset_overlaps_with_access): Rename
8750         to ranges_overlap_p and move ...
8751         * tree-flow-inline.h (ranges_overlap_p): ... here.
8752
8753         * tree.h (get_inner_reference, handled_component_p): Update
8754         comments.
8755
8756         * tree.h (record_component_aliases, get_alias_set,
8757         alias_sets_conflict_p, alias_sets_must_conflict_p,
8758         objects_must_conflict_p): Move declarations ...
8759         * alias.h (record_component_aliases, get_alias_set,
8760         alias_sets_conflict_p, alias_sets_must_conflict_p,
8761         objects_must_conflict_p): ... here.
8762         Include coretypes.h.
8763         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
8764
8765 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
8766
8767         * cfg.c: Include tree-flow.h.
8768         (remove_edge_raw): Call redirect_edge_var_map_clear.
8769         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
8770         * tree-flow-inline.h (redirect_edge_var_map_def): New.
8771         (redirect_edge_var_map_result): New.
8772         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
8773         PENDING_STMT use with redirect_edge_var_map_*.
8774         * tree-ssa.c (edge_var_maps): New definition.
8775         (redirect_edge_var_map_add): New.
8776         (redirect_edge_var_map_clear): New.
8777         (redirect_edge_var_map_dup): New.
8778         (redirect_edge_var_map_vector): New.
8779         (redirect_edge_var_map_destroy): New.
8780         (ssa_redirect_edge): Replace PENDING_STMT use with
8781         redirect_edge_var_map_*.
8782         (flush_pending_stmts): Same.
8783         (delete_tree_ssa): Destroy edge var map.
8784         * tree-flow.h (struct _edge_var_map): New.
8785         Define edge_var_map vector type.
8786         Declare redirect_edge_var_map_* prototypes.
8787         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
8788         * tree-cfg.c (reinstall_phi_args): Replace
8789         PENDING_STMT use with redirect_edge_var_map_*.
8790
8791 2008-03-05  Richard Guenther  <rguenther@suse.de>
8792
8793         PR tree-optimization/35472
8794         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
8795         whose single use_stmt has a overlapping set of loaded and
8796         stored symbols as that use_stmt might be a noop assignment then.
8797
8798 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
8799
8800         * gthr-rtems.h: Implement __gthread_mutex_destroy.
8801
8802 2008-03-05  Richard Guenther  <rguenther@suse.de>
8803
8804         PR c++/35336
8805         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
8806         should be constants.
8807         * tree-cfg.c (verify_expr): Verify it.
8808         * fold-const.c (fold_truthop): Remove code generating
8809         BIT_FIELD_REFs of structure bases.
8810         (fold_binary): Likewise.
8811         (fold_ternary): Position and size of BIT_FIELD_REFs are
8812         always host integers.
8813         (make_bit_field_ref): Remove.
8814         (optimize_bit_field_compare): Remove.
8815         (all_ones_mask_p): Remove.
8816
8817 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
8818
8819         PR gcc/33009
8820         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
8821         (split_block_and_df_analyze): New. Split basic block and rebuild
8822         dataflow.
8823         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
8824         SPLIT_BLOCK.
8825         (split_pattern_seq): Likewise.
8826         (erase_matching_seqs): Likewise.
8827         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
8828
8829 2008-03-04  Geoff Keating  <geoffk@apple.com>
8830
8831         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
8832         declaration and code.
8833         (tree_invalid_nonnegative_warnv_p): Likewise.
8834
8835 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
8836
8837         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
8838         examples.  Truncate option-names then causing overfull hbox.
8839
8840 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8841
8842         PR target/35222
8843         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
8844         on hpux10.
8845         * configure: Rebuilt.
8846
8847 2008-03-04  Rafael Espindola  <espindola@google.com>
8848
8849         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
8850         (tree_unary_nonnegative_warnv_p): New.
8851         (tree_binary_nonnegative_warnv_p): New.
8852         (tree_single_nonnegative_warnv_p): New.
8853         (tree_invalid_nonnegative_warnv_p): New.
8854         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
8855
8856 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8857
8858         PR 28322
8859         * opts.c (handle_option): Postpone 'unknown option' errors only for
8860         warning options.
8861
8862 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
8863
8864         PR target/35453
8865         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
8866         (_SIDD_XXX): This.
8867
8868 2008-03-04  Rafael Espindola  <espindola@google.com>
8869
8870         * fold-const.c (tree_unary_nonzero_warnv_p): New.
8871         (tree_binary_nonzero_warnv_p): New.
8872         (tree_single_nonzero_warnv_p): New.
8873         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
8874
8875 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
8876
8877         PR middle-end/35456
8878         * fold-const.c (fold_cond_expr_with_comparison): Prevent
8879         transformations for modes that have signed zeros.
8880         * ifcvt.c (noce_try_abs): Ditto.
8881
8882 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
8883
8884         * config/i386/i386.c (override_options): Force
8885         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
8886
8887 2008-03-04  Jan Hubicka  <jh@suse.cz>
8888
8889         PR c++/35262
8890         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
8891         in last commit.
8892
8893 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
8894
8895         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
8896         label to probe the stack.
8897
8898 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
8899
8900         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
8901         (__gthr_win32_mutex_destroy): Declare.
8902         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
8903         __gthr_win32_mutex_destroy.
8904         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
8905
8906 2008-03-03  Jan Hubicka  <jh@suse.cz>
8907
8908         PR c++/35262
8909         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
8910         aggressive on inlining cold calls.
8911
8912 2008-03-03  Richard Guenther  <rguenther@suse.de>
8913
8914         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
8915         struct copies into the expression table.
8916         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
8917         (try_to_simplify): Likewise.
8918         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
8919         integral and pointer arguments which do not change the
8920         precision to NOP_EXPRs.
8921         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
8922         VIEW_CONVERT_EXPR case.
8923
8924 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
8925
8926         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
8927         defined in a loop at depth 0 is invariant.
8928         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
8929         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
8930         be called at loop depth 0.
8931
8932 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
8933
8934         PR driver/35420
8935         * gcc.c (process_command): Update copyright notice dates.
8936         * gcov.c (print_version): Likewise.
8937         * gcov-dump.c (print_version): Likewise.
8938         * mips-tfile.c (main): Likewise.
8939         * mips-tdump.c (main): Likewise.
8940
8941 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8942
8943         PR 24924
8944         * c-common.c (flag_permissive): Delete.
8945         (constant_expression_warnings): Check flags first.
8946         (constant_expression_error): New.
8947         * c-common.h (flag_permissive): Delete.
8948         (constant_expression_error): Declare.
8949         * flags.h (flag_permissive): Declare. Update description.
8950         * diagnostic.c (pedwarn): Update.
8951         (permerror): New.
8952         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
8953         (permissive_error_kind): New.
8954         * toplev.c (flag_permissive): Define. Update description.
8955         * toplev.h (permissive_error_kind): Declare.
8956         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
8957         (pedwarn_c90): Use pedantic_warning_kind.
8958         * c-opts.c (c_common_post_options): flag_permissive does not affect
8959         flag_pedantic_errors.
8960
8961 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
8962
8963         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
8964         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
8965         __absvsi2, __absvDI2): Use unsigned arithmetic.
8966
8967 2008-03-02  Andi Kleen  <ak@suse.de>
8968             Richard Guenther  <rguenther@suse.de>
8969
8970         * struct-equiv.c: Remove file.
8971         * cfg_cleanup.c (condjump_equiv_p): Remove.
8972         * Makefile.in (OBJS-common): Remove struct-equiv.o.
8973         (struct-equiv.o): Remove rule.
8974         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
8975         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
8976         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
8977
8978 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
8979
8980         * ifcvt.c (noce_process_if_block): Try to handle only the then
8981         block if the else block exists but isn't suitable.
8982
8983 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
8984
8985         PR gcc/35063
8986         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
8987         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
8988         regression from previous patch.
8989
8990 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
8991
8992         PR gcc/35063
8993         * gthr.h: Add __gthread_mutex_destroy as a function that must be
8994         implemented.
8995         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
8996         * gthr-single.h (__gthread_mutex_destroy): Likewise.
8997         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
8998         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
8999         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
9000         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
9001         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
9002         (__gthread_mutex_destroy_function): Rename to
9003         __gthread_mutex_destroy.
9004         * gthr-dce.h (__gthread_mutex_destroy): Call
9005         pthread_mutex_destroy.
9006         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
9007         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
9008         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
9009
9010 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
9011
9012         * df-scan.c (df_ref_chain_change_bb): Simplify.
9013         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
9014         set_block_for_insn if there's any change.
9015         * df.h ((df_insn_change_bb): Fix prototype.
9016         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
9017         df_insn_change_bb, don't call set_block_for_insn.
9018         * emit-rtl.c (reorder_insns): Likewise.
9019         * haifa-sched.c (move_insn): Likewise.
9020
9021 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
9022
9023         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
9024
9025 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
9026
9027         * tree-flow-inline.h (next_readonly_imm_use): Return
9028         NULL_USE_OPERAND_P after the end.
9029
9030 2008-03-01  Richard Guenther  <rguenther@suse.de>
9031
9032         PR tree-optimization/35411
9033         * tree-sra.c (sra_build_assignment): Split conversion to
9034         final type to a separate statement if we are not assigning
9035         to a register.
9036
9037 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
9038
9039         * fold-const.c (fold_convertible_p): Correct the logic to follow
9040         that in fold_convert().
9041
9042 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
9043
9044         PR c++/35315
9045         * tree-inline.c (build_duplicate_type): When we make a
9046         duplicate type, make it unique in the canonical types system.
9047
9048 2008-02-29  Tom Tromey  <tromey@redhat.com>
9049
9050         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
9051         input_file_stack_history, input_file_stack_restored): Remove.
9052         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
9053         * input.h (struct file_stack): Remove.
9054         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
9055         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
9056         Likewise.
9057         * diagnostic.h (struct diagnostic_context) <last_module>: Change
9058         type.
9059         (diagnostic_last_module_changed): Add 'map' argument.
9060         (diagnostic_set_last_function): Likewise.
9061         * diagnostic.c (undiagnostic_report_current_module): Iterate using
9062         line map, not input_file_stack.
9063         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
9064
9065 2008-02-29  Paul Brook  <paul@codesourcery.com>
9066
9067         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
9068
9069 2008-02-29  Paul Brook  <paul@codesourcery.com>
9070
9071         * config/arm/ieee754-df.S (muldf3): Use RET macros.
9072
9073 2008-02-29  Richard Guenther  <rguenther@suse.de>
9074
9075         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
9076         vn_lookup_or_add.
9077         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
9078         value for comparing for a store match.
9079         (simplify_unary_expression): Do nothing for SSA_NAMEs.
9080         (try_to_simplify): Do not do a full-blown reference lookup.
9081
9082 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
9083
9084         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
9085         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
9086
9087         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
9088
9089 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
9090
9091         * tree-loop-linear.c (try_interchange_loops): Compare memory access
9092         strides against cache sizes.
9093
9094 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
9095
9096         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
9097         constant to fpul.
9098
9099 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
9100
9101         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
9102         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
9103         is smaller than the original promoted value.
9104         (simplify_subreg): If OP is a SUBREG, try to preserve its
9105         SUBREG_PROMOTED_VAR_P information.
9106
9107 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
9108
9109         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
9110         (VN_INFO_GET): Allocate new objects on the obstack.
9111         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
9112         for rpo_numbers_temp, for consistency.
9113         (free_scc_vn): Free the obstack.
9114
9115 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
9116
9117         * doc/invoke.texi: Document -ftree-loop-distribution.
9118         * tree-loop-distribution.c: New.
9119         * tree-pass.h (pass_loop_distribution): New.
9120         * graphds.h (struct graph): Add htab_t indices.
9121         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
9122         * tree-vectorizer.c (rename_variables_in_loop): Extern.
9123         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
9124         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
9125         * tree-data-ref.c (debug_data_dependence_relations): New.
9126         (dump_data_dependence_relation): Also print data references.
9127         (free_data_ref): Extern.
9128         (same_access_functions): Moved...
9129         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
9130         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
9131         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
9132         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
9133         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
9134         (stmts_from_loop): Skip LABEL_EXPR.
9135         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
9136         New.
9137         (build_rdg): Initialize rdg->indices htab.
9138         (free_rdg, stores_from_loop, ref_base_address,
9139         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
9140         have_similar_memory_accesses_1, ref_base_address_1,
9141         remove_similar_memory_refs): New.
9142         * tree-data-ref.h: Depend on tree-chrec.h.
9143         (debug_data_dependence_relations, free_data_ref): Declared.
9144         (same_access_functions): ... here.
9145         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
9146         New.
9147         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
9148         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
9149         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
9150         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
9151         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
9152         rdg_vertex_for_stmt): Declared.
9153         (struct rdg_edge): Add level.
9154         (RDGE_LEVEL): New.
9155         (free_rdg, stores_from_loop, remove_similar_memory_refs,
9156         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
9157         Declared.
9158         (rdg_has_similar_memory_accesses): New.
9159         * tree-vect-analyze.c: Remove unused static decls.
9160         * lambda.h (dependence_level): New.
9161         * common.opt (ftree-loop-distribution): New.
9162         * tree-flow.h (mark_virtual_ops_in_bb, 
9163         slpeel_tree_duplicate_loop_to_edge_cfg,
9164         rename_variables_in_loop): Declared.
9165         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
9166         (OBJS-common): Add tree-loop-distribution.o.
9167         (tree-loop-distribution.o): New rule.
9168         * tree-cfg.c (mark_virtual_ops_in_bb): New.
9169         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
9170         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
9171
9172 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
9173
9174         PR target/33963
9175         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
9176         other than structures and unions.
9177
9178 2008-02-28  Richard Guenther  <rguenther@suse.de>
9179
9180         Revert:
9181         2008-02-26  Richard Guenther  <rguenther@suse.de>
9182
9183         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
9184         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
9185         (lookup_decl_from_uid): Declare.
9186         (remove_decl_from_map): Likewise.
9187         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
9188         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
9189         (decl_for_uid_map): New global hashtable mapping DECL_UID
9190         to the decl tree.
9191         (init_ttree): Allocate it.
9192         (insert_decl_to_uid_decl_map): New helper function.
9193         (make_node_stat): Insert new decls into the map.
9194         (copy_node_stat): Likewise.
9195         (lookup_decl_from_uid): New function.
9196         (remove_decl_from_map): Likewise.
9197         (print_decl_for_uid_map_statistics): New helper.
9198         (dump_tree_statistics): Call it.
9199
9200         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
9201         (referenced_var_iterator): Adjust.
9202         (FOR_EACH_REFERENCED_VAR): Adjust.
9203         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
9204         (num_referenced_vars): Adjust.
9205         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
9206         (first_referenced_var): Remove.
9207         (end_referenced_vars_p): Likewise.
9208         (next_referenced_var): Likewise.
9209         (referenced_var_iterator_set): New helper function.
9210         * tree-dfa.c (referenced_var_lookup): Adjust.
9211         (referenced_var_check_and_insert): Likewise.
9212         (remove_referenced_var): Likewise.
9213         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
9214         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
9215         (verify_call_clobbering): Likewise.
9216         (verify_memory_partitions): Likewise.
9217         (init_tree_ssa): Allocate bitmap instead of hashtable for
9218         referenced_vars.
9219         (delete_tree_ssa): Adjust.
9220         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
9221         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
9222         (compute_tag_properties): Likewise.
9223         (set_initial_properties): Likewise.
9224         (find_partition_for): Likewise.
9225         (update_reference_counts): Likewise.
9226         (dump_may_aliases_for): Likewise.
9227         * tree-ssa-operands.c (add_virtual_operand): Likewise.
9228         (add_call_clobber_ops): Likewise.
9229         (add_call_read_ops): Likewise.
9230         (get_asm_expr_operands): Likewise.
9231         * tree-into-ssa.c (dump_decl_set): Likewise.
9232         (update_ssa): Likewise.
9233         * tree-sra.c (scan_function): Likewise.
9234         (decide_instantiations): Likewise.
9235         (scalarize_parms): Likewise.
9236         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
9237         (dsa_named_for): Likewise.
9238         * tree-ssa-structalias.c (update_alias_info): Likewise.
9239         (merge_smts_into): Likewise.
9240
9241 2008-02-27  David Daney  <ddaney@avtrex.com>
9242
9243         PR target/34409
9244         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
9245         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
9246         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
9247         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
9248         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
9249
9250 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
9251
9252         PR target/25477
9253         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
9254         (BUILT_IN_NEXTTOWARD): Remove.
9255         (BUILT_IN_NEXTTOWARDF): Ditto.
9256         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
9257         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
9258
9259 2008-02-27  Tom Tromey  <tromey@redhat.com>
9260
9261         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
9262         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
9263
9264 2008-02-27  Jan Beulich  <jbeulich@novell.com>
9265
9266         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
9267         update the respective field on newdecl.
9268
9269 2008-02-27  Revital Eres  <eres@il.ibm.com>
9270
9271         PR rtl-optimization/34999
9272         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
9273         crossing edges that ends with a call insn.
9274         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
9275         call insn and clear the EDGE_CROSSING flag of the crossing edge
9276         when fixing fallthru edges.
9277
9278 2008-02-27  Richard Guenther  <rguenther@suse.de>
9279
9280         PR middle-end/35390
9281         * fold-const.c (fold_unary): Return the correct argument,
9282         converted to the result type.
9283
9284 2008-02-27  Richard Guenther  <rguenther@suse.de>
9285
9286         PR middle-end/34971
9287         * expr.c (expand_expr_real_1): Assert on rotates that operate
9288         on partial modes.
9289         * fold-const.c (fold_binary): Use the types precision, not the
9290         bitsize of the mode if folding rotate expressions.  Build rotates
9291         only for full modes.
9292
9293 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
9294
9295         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
9296         and CPP_PRAGMA_EOL.
9297         * c-pragma.c (pragma_ns_name): New typedef.
9298         (registered_pp_pragmas): New variable.
9299         (c_pp_lookup_pragma): New function.
9300         (c_register_pragma_1): If flag_preprocess_only, do nothing
9301         for non-expanded pragmas, for expanded ones push pragma's
9302         namespace and name into registered_pp_pragmas vector.
9303         (c_invoke_pragma_handler): Register OpenMP pragmas even when
9304         flag_preprocess_only, don't register GCC pch_preprocess
9305         pragma if flag_preprocess_only.
9306         * c-opts.c (c_common_init): Call init_pragma even if
9307         flag_preprocess_only.
9308         * c-pragma.c (c_pp_lookup_pragma): New prototype.
9309         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
9310         cpp_register_pragma if flag_preprocess_only.
9311
9312 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9313
9314         PR c/28800
9315         * c-parser.c (c_parser_translation_unit): Warn for empty
9316         translation unit, not empty source file.
9317
9318 2008-02-26  Paul Brook  <paul@codesourcery.com>
9319
9320         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
9321         operand for Thumb-2.
9322         * config/arm/arm.h (reg_class): Add CORE_REGS.
9323         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
9324         (BASE_REG_CLASS): Use CORE_REGS.
9325         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
9326         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
9327         (REGNO_OK_FOR_INDEX_P): Exclude SP.
9328         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
9329         ARM_REGNO_OK_FOR_INDEX_P.
9330         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
9331         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
9332         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
9333         (ldm/stm peepholes): Ditto.
9334         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
9335         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
9336         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
9337         * config/arm/constraints.md: Enable "k" constraint on ARM.
9338
9339 2008-02-27  Ben Elliston  <bje@au.ibm.com>
9340
9341         * config/rs6000/rs6000.c: Annotate cache line size field in all
9342         instances of struct processor_costs.
9343
9344 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
9345
9346         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
9347         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
9348         jump_bypass): New counters.
9349         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
9350         * dce.c (gate_ud_dce): Same.
9351         (gate_fast_dce): Same.
9352         * dse.c (gate_dse1): New function.
9353         (gate_dse2): New function.
9354         (gate_dse): Merge results of new gate functions.
9355         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
9356         (gate_handle_jump_bypass): Add dbg_cnt.
9357         (gate_handle_gcse): Add dbg_cnt.
9358         * ifcvt.c (gate_handle_if_conversion): Same.
9359         (gate_handle_if_after_combine): Same.
9360         (gate_handle_if_after_reload): Same.
9361         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
9362
9363 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
9364
9365         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
9366         line sizes.
9367         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
9368
9369 2008-02-26  Jason Merrill  <jason@redhat.com>
9370
9371         PR c++/35315
9372         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
9373         alone if it's the naming decl for the type's main variant.
9374
9375 2008-02-26  Tom Tromey  <tromey@redhat.com>
9376
9377         * system.h (USE_MAPPED_LOCATION): Poison.
9378         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
9379         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
9380         (make_goto_expr_edges): Likewise.
9381         (remove_bb): Likewise.
9382         (execute_warn_function_return): Likewise.
9383         * basic-block.h (struct edge_def) <goto_locus>: Change type to
9384         location_t.
9385         * c-common.c (fname_decl): Remove old location code.
9386         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
9387         location code.
9388         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
9389         variant.
9390         (ASM_INPUT_SOURCE_LOCATION): Likewise.
9391         (gen_rtx_ASM_INPUT): Likewise.
9392         (gen_rtx_ASM_INPUT_loc): Likewise.
9393         (get_rtx_asm_OPERANDS): Remove.
9394         * cfglayout.c (insn_locators_alloc): Remove old location code.
9395         (set_curr_insn_source_location): Likewise.
9396         (curr_insn_locator): Likewise.
9397         * print-tree.c (print_node): Remove old location code.
9398         * tree-mudflap.c (mf_varname_tree): Remove old location code.
9399         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
9400         * cfgexpand.c (expand_gimple_cond_expr): Don't use
9401         location_from_locus.
9402         (construct_exit_block): Remove old location code.
9403         * emit-rtl.c (force_next_line_note): Remove old location code.
9404         * profile.c (branch_prob): Remove old location code.
9405         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
9406         LOC_LINE): Remove old-location variants.
9407         * langhooks.c (lhd_print_error_function): Remove old location
9408         code.
9409         * configure, config.in: Rebuilt.
9410         * configure.ac (--enable-mapped-location): Remove.
9411         * c-decl.c (c_init_decl_processing): Remove old location code.
9412         (finish_function): Likewise.
9413         * recog.c (decode_asm_operands): Remove old location code.
9414         * c-pch.c (c_common_read_pch): Remove old location code.
9415         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
9416         variants.
9417         * gimple-low.c (lower_function_body): Remove old location code.
9418         * toplev.c (unknown_location): Remove.
9419         (push_srcloc): Remove old-location variant.
9420         (process_options): Remove old location code.
9421         (lang_dependent_init): Likewise.
9422         * input.h (UNKNOWN_LOCATION): Move definition.
9423         (location_t): Undeprecate.
9424         (source_locus): Remove.
9425         (location_from_locus): Remove.
9426         (struct location_s): Remove.
9427         Remove all old-location code.
9428         (input_line, input_filename): Remove.
9429         * final.c (final_scan_insn): Remove old location code.
9430         * diagnostic.c (diagnostic_build_prefix): Remove
9431         USE_MAPPED_LOCATION test.
9432         * tree.h (gimple_stmt) <locus>: Now a location_t.
9433         (tree_exp) <locus>: Likewise.
9434         (DECL_IS_BUILTIN): Remove old-location variant.
9435         (annotate_with_file_line, annotate_with_locus): Likewise.
9436         (expr_locus, set_expr_locus): Update.
9437         * tree.c (build1_stat): Remove old location code.
9438         (last_annotated_node): Remove.
9439         (annotate_with_file_line): Remove old-location variant.
9440         (annotate_with_locus): Likewise.
9441         (expr_location): Remove old location code.
9442         (set_expr_location): Likewise.
9443         (expr_has_location): Likewise.
9444         (expr_locus): Likewise.
9445         (set_expr_locus): Likewise.
9446         (expr_filename): Don't use location_from_locus.
9447         (expr_lineno): Likewise.
9448         * rtl-error.c (location_for_asm): Remove old location code.
9449         * c-lex.c (cb_line_change): Remove old location code.
9450         (fe_file_change): Likewise.
9451         (cb_def_pragma): Likewise.
9452         (c_lex_with_flags): Likewise.
9453         * gengtype.c (do_typedef): Don't special-case location types.
9454         (define_location_structures): Remove.
9455         (main): Don't call define_location_structures.
9456         * tree-pretty-print.c (dump_implicit_edges): Remove old location
9457         code.
9458
9459 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9460
9461         PR 26264
9462         * builtins.def (BUILT_IN_STDARG_START): Remove.
9463         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
9464         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
9465         * tree-inline.c (inline_forbidden_p_1): Likewise.
9466         
9467 2008-02-26  Richard Guenther  <rguenther@suse.de>
9468
9469         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
9470         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
9471         (lookup_decl_from_uid): Declare.
9472         (remove_decl_from_map): Likewise.
9473         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
9474         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
9475         (decl_for_uid_map): New global hashtable mapping DECL_UID
9476         to the decl tree.
9477         (init_ttree): Allocate it.
9478         (insert_decl_to_uid_decl_map): New helper function.
9479         (make_node_stat): Insert new decls into the map.
9480         (copy_node_stat): Likewise.
9481         (lookup_decl_from_uid): New function.
9482         (remove_decl_from_map): Likewise.
9483         (print_decl_for_uid_map_statistics): New helper.
9484         (dump_tree_statistics): Call it.
9485
9486         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
9487         (referenced_var_iterator): Adjust.
9488         (FOR_EACH_REFERENCED_VAR): Adjust.
9489         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
9490         (num_referenced_vars): Adjust.
9491         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
9492         (first_referenced_var): Remove.
9493         (end_referenced_vars_p): Likewise.
9494         (next_referenced_var): Likewise.
9495         (referenced_var_iterator_set): New helper function.
9496         * tree-dfa.c (referenced_var_lookup): Adjust.
9497         (referenced_var_check_and_insert): Likewise.
9498         (remove_referenced_var): Likewise.
9499         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
9500         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
9501         (verify_call_clobbering): Likewise.
9502         (verify_memory_partitions): Likewise.
9503         (init_tree_ssa): Allocate bitmap instead of hashtable for
9504         referenced_vars.
9505         (delete_tree_ssa): Adjust.
9506         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
9507         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
9508         (compute_tag_properties): Likewise.
9509         (set_initial_properties): Likewise.
9510         (find_partition_for): Likewise.
9511         (update_reference_counts): Likewise.
9512         (dump_may_aliases_for): Likewise.
9513         * tree-ssa-operands.c (add_virtual_operand): Likewise.
9514         (add_call_clobber_ops): Likewise.
9515         (add_call_read_ops): Likewise.
9516         (get_asm_expr_operands): Likewise.
9517         * tree-into-ssa.c (dump_decl_set): Likewise.
9518         (update_ssa): Likewise.
9519         * tree-sra.c (scan_function): Likewise.
9520         (decide_instantiations): Likewise.
9521         (scalarize_parms): Likewise.
9522         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
9523         (dsa_named_for): Likewise.
9524         * tree-ssa-structalias.c (update_alias_info): Likewise.
9525         (merge_smts_into): Likewise.
9526
9527 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9528
9529         PR 34351
9530         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
9531         * c-opts.c (c_common_handle_option): Wall enables
9532         Wvolatile-register-var.
9533         * common.opt: Move Wvolatile-register-var to...
9534         * c.opt: ...here.
9535         
9536 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9537
9538         * common.opt (Wlarger-than=): New.
9539         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
9540         -Wlarger-than=.
9541         * opts.c (common_handle_option): Handle -Wlarger-than=.
9542         * optc-gen.awk: Likewise.
9543         * opth-gen.awk: Likewise.
9544         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
9545         * tree-optimize.c (tree_rest_of_compilation): Likewise.
9546         
9547 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
9548
9549         * c-common.c (match_case_to_enum_1): Add appropriate
9550         OPT_W* parameter to warning.
9551         (c_do_switch_warnings): Likewise.
9552         * c-typeck.c (warning_init): Add one more parameter following
9553         'warning' function.
9554         (push_init_level): Update call to warning_init.
9555         (pop_init_level): Likewise.
9556         (add_pending_init): Likewise.
9557         (output_init_element: Likewise.
9558
9559 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9560
9561         PR 28322
9562         * toplev.c (toplev_main): If there are warnings or error, print
9563         errors for ignored options.
9564         * opts.c (ignored_options): New static variable.
9565         (postpone_unknown_option_error): New.
9566         (print_ignored_options): New.
9567         (handle_option): Postpone errors for unknown -Wno-* options.
9568         * opts.h (print_ignored_options): Declare.
9569         
9570 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
9571
9572         * config/mips/mips.md (loadgp_blockage, blockage): Change type
9573         to "ghost".
9574
9575 2008-02-25  Richard Guenther  <rguenther@suse.de>
9576
9577         Revert:
9578         2008-02-25  Richard Guenther  <rguenther@suse.de>
9579
9580         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
9581         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
9582         (lookup_decl_from_uid): Declare.
9583         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
9584         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
9585         (decl_for_uid_map): New global hashtable mapping DECL_UID
9586         to the decl tree.
9587         (init_ttree): Allocate it.
9588         (insert_decl_to_uid_decl_map): New helper function.
9589         (make_node_stat): Insert new decls into the map.
9590         (copy_node_stat): Likewise.
9591         (lookup_decl_from_uid): New function.
9592         (print_decl_for_uid_map_statistics): New helper.
9593         (dump_tree_statistics): Call it.
9594
9595         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
9596         (referenced_var_iterator): Adjust.
9597         (FOR_EACH_REFERENCED_VAR): Adjust.
9598         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
9599         (num_referenced_vars): Adjust.
9600         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
9601         (first_referenced_var): Remove.
9602         (end_referenced_vars_p): Likewise.
9603         (next_referenced_var): Likewise.
9604         (referenced_var_iterator_set): New helper function.
9605         * tree-dfa.c (referenced_var_lookup): Adjust.
9606         (referenced_var_check_and_insert): Likewise.
9607         (remove_referenced_var): Likewise.
9608         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
9609         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
9610         (verify_call_clobbering): Likewise.
9611         (verify_memory_partitions): Likewise.
9612         (init_tree_ssa): Allocate bitmap instead of hashtable for
9613         referenced_vars.
9614         (delete_tree_ssa): Adjust.
9615         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
9616         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
9617         (compute_tag_properties): Likewise.
9618         (set_initial_properties): Likewise.
9619         (find_partition_for): Likewise.
9620         (update_reference_counts): Likewise.
9621         (dump_may_aliases_for): Likewise.
9622         * tree-ssa-operands.c (add_virtual_operand): Likewise.
9623         (add_call_clobber_ops): Likewise.
9624         (add_call_read_ops): Likewise.
9625         (get_asm_expr_operands): Likewise.
9626         * tree-into-ssa.c (dump_decl_set): Likewise.
9627         (update_ssa): Likewise.
9628         * tree-sra.c (scan_function): Likewise.
9629         (decide_instantiations): Likewise.
9630         (scalarize_parms): Likewise.
9631         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
9632         (dsa_named_for): Likewise.
9633         * tree-ssa-structalias.c (update_alias_info): Likewise.
9634         (merge_smts_into): Likewise.
9635
9636 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
9637
9638         PR fortran/29549
9639         * doc/invoke.texi (-fcx-limited-range): Document new option.
9640         * toplev.c (process_options): Handle -fcx-fortran-rules.
9641         * common.opt: Add documentation for -fcx-fortran-rules.
9642
9643 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
9644
9645         PR c/35162
9646         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
9647         actual behaviour and C99.
9648         
9649 2008-02-26  Ben Elliston  <bje@au.ibm.com>
9650
9651         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
9652         (ASM_CPU_POWER6_SPEC): Likewise.
9653         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
9654         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
9655         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
9656
9657 2008-02-25  Richard Guenther  <rguenther@suse.de>
9658
9659         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
9660         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
9661         (lookup_decl_from_uid): Declare.
9662         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
9663         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
9664         (decl_for_uid_map): New global hashtable mapping DECL_UID
9665         to the decl tree.
9666         (init_ttree): Allocate it.
9667         (insert_decl_to_uid_decl_map): New helper function.
9668         (make_node_stat): Insert new decls into the map.
9669         (copy_node_stat): Likewise.
9670         (lookup_decl_from_uid): New function.
9671         (print_decl_for_uid_map_statistics): New helper.
9672         (dump_tree_statistics): Call it.
9673
9674         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
9675         (referenced_var_iterator): Adjust.
9676         (FOR_EACH_REFERENCED_VAR): Adjust.
9677         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
9678         (num_referenced_vars): Adjust.
9679         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
9680         (first_referenced_var): Remove.
9681         (end_referenced_vars_p): Likewise.
9682         (next_referenced_var): Likewise.
9683         (referenced_var_iterator_set): New helper function.
9684         * tree-dfa.c (referenced_var_lookup): Adjust.
9685         (referenced_var_check_and_insert): Likewise.
9686         (remove_referenced_var): Likewise.
9687         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
9688         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
9689         (verify_call_clobbering): Likewise.
9690         (verify_memory_partitions): Likewise.
9691         (init_tree_ssa): Allocate bitmap instead of hashtable for
9692         referenced_vars.
9693         (delete_tree_ssa): Adjust.
9694         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
9695         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
9696         (compute_tag_properties): Likewise.
9697         (set_initial_properties): Likewise.
9698         (find_partition_for): Likewise.
9699         (update_reference_counts): Likewise.
9700         (dump_may_aliases_for): Likewise.
9701         * tree-ssa-operands.c (add_virtual_operand): Likewise.
9702         (add_call_clobber_ops): Likewise.
9703         (add_call_read_ops): Likewise.
9704         (get_asm_expr_operands): Likewise.
9705         * tree-into-ssa.c (dump_decl_set): Likewise.
9706         (update_ssa): Likewise.
9707         * tree-sra.c (scan_function): Likewise.
9708         (decide_instantiations): Likewise.
9709         (scalarize_parms): Likewise.
9710         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
9711         (dsa_named_for): Likewise.
9712         * tree-ssa-structalias.c (update_alias_info): Likewise.
9713         (merge_smts_into): Likewise.
9714
9715 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
9716
9717         PR target/35258
9718         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
9719         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
9720         * alias.h (nonoverlapping_memrefs_p): Likewise.
9721
9722 2008-02-25  Jan Beulich  <jbeulich@novell.com>
9723
9724         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
9725         * config/i386/netware-libgcc.exp: Add __bswap?i2,
9726         __emultls_get_address, __emultls_register_common,
9727         __floatundi?f, and _Unwind_GetIPInfo.
9728         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
9729         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
9730         (gen_regparm_prefix): Likewise.
9731         (i386_nlm_encode_section_info): Sync with
9732         config/i386/winnt.c:i386_pe_encode_section_info().
9733         (i386_nlm_maybe_mangle_decl_assembler_name): New.
9734         i386_nlm_mangle_decl_assembler_name): New.
9735         (netware_override_options): New.
9736         * config/i386/netware.h (netware_override_options): Declare.
9737         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
9738         (i386_nlm_mangle_decl_assembler_name): Declare.
9739         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
9740
9741 2008-02-25  Ben Elliston  <bje@au.ibm.com>
9742
9743         PR other/32948
9744         * c-decl.c (grokdeclarator): Remove unused local variables
9745         `typedef_type' and `type_as_written'.
9746         * bb-reorder.c
9747         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
9748         unused local variable `has_hot_blocks'.
9749         (fix_crossing_conditional_branches): Remove unused local variable
9750         `prev_bb'.
9751         
9752 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
9753
9754         PR middle-end/19984
9755         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
9756         using DEF_C99_BUILTIN.
9757         (BUILT_IN_NANF): Ditto.
9758         (BUILT_IN_NANL): Ditto.
9759
9760 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
9761             Revital Eres  <eres@il.ibm.com>
9762
9763         * modulo-sched.c (calculate_must_precede_follow): Address TODO
9764         regarding the order of two dependent insns in the same row.
9765
9766 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
9767
9768         * stor-layout.c (layout_decl): Do not bump the alignment of a
9769         bit-field to more than byte alignment if it is packed.
9770
9771 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
9772
9773         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
9774         e300c2 and e300c3.
9775
9776 2008-02-24  Diego Novillo  <dnovillo@google.com>
9777
9778         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
9779
9780         PR 33738
9781         * tree-vrp.c (vrp_evaluate_conditional): With
9782         -Wtype-limits, emit a warning when comparing against a
9783         constant outside the natural range of OP0's type.
9784         * c.opt (Wtype-limits): Move ...
9785         * common.opt (Wtype-limits): ... here.
9786
9787 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
9788
9789         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
9790         * config/rs6000/e300c2c3.md: New file.
9791         * config/rs6000/rs6000.c (processor_costs): Add new costs for
9792         e300c2 and e300c3.
9793         (rs6000_override_options): Add e300c2 and e300c3 cases to
9794         processor_target_table. Do not allow usage of Altivec or Spe
9795         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
9796         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
9797         * config/rs6000/rs6000.h (processor_type): Add
9798         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
9799         (ASM_CPU_SPEC): Add e300c2 and e300c3.
9800         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
9801         and ppce300c3. Include e300c2c3.md.
9802
9803 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
9804
9805         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
9806         instead of TARGET_STRICT_ALIGN.
9807
9808 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
9809
9810         * explow.c (memory_address): Assert that the generated address is
9811         valid.
9812
9813 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
9814
9815         PR target/25477
9816         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
9817         * config/darwin-ppc-ldouble-patch.def: New file.
9818         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
9819         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
9820         SUBTARGET_INIT_BUILTINS if defined.
9821         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
9822         New functions.
9823
9824 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9825
9826         PR rtl-opt/33512
9827         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
9828         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
9829
9830 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9831
9832         PR pch/35027
9833         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
9834         file" warning condtional on -Winvalid-PCH.
9835
9836 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
9837
9838         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
9839
9840 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
9841
9842         PR target/22076
9843         PR target/34256 
9844         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
9845         prevent reload from using MMX registers.
9846         (*mov<mode>_internal): Ditto.
9847         (*movv2sf_internal_rex64): Ditto.
9848         (*movv2sf_internal): Ditto.
9849
9850 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9851
9852         PR documentation/31569
9853         * doc/install.texi2html: Use makeinfo --no-number-sections.
9854
9855 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
9856
9857         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
9858         ensure that we can address an entire entity > 8 bytes.  Don't
9859         generate reg+reg addressing for such data.
9860
9861 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
9862
9863         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
9864         strings when optimizing for size, unless the target cares about
9865         alignment.
9866
9867 2008-02-22  Tom Tromey  <tromey@redhat.com>
9868
9869         * regclass.c (current_pass): Remove declaration.
9870
9871 2008-02-22  Anatoly Sokolov <aesok@post.ru>
9872
9873         * config/avr/libgcc.S (__RAMPZ__): Define.
9874         (__do_copy_data): Add for devices with 128KB code memory.
9875
9876 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
9877
9878         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
9879         Use spe_abi.
9880         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
9881
9882 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
9883
9884         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
9885         GENNONACR_REGS.
9886
9887 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9888
9889         PR c/19999
9890         * c-typeck.c (build_binary_op): Warn about floating point
9891         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
9892
9893 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
9894
9895         PR target/34526
9896         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
9897         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
9898         add vrsave.
9899         (rs6000_override_options): Set altivec_abi as default, not override,
9900         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
9901         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
9902         is used; use new member spe_abi.
9903         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
9904         spe_abi and altivec_abi.
9905
9906 2008-02-22  Tomas Bily  <tbily@suse.cz>
9907
9908         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
9909
9910 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9911
9912         PR bootstrap/35273
9913         * config.build (build_file_translate): Set to `CMD //c' only if
9914         it works.
9915         * Makefile.in (build_file_translate): Improve comment.
9916
9917 2008-02-21  Jan Hubicka  <jh@suse.cz>
9918
9919         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
9920         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
9921         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
9922
9923 2008-02-21  Michael Matz  <matz@suse.de>
9924
9925         PR target/35264
9926         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
9927
9928 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
9929
9930         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
9931         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
9932         as insn constraint.
9933         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
9934         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
9935         SSE_VEC_FLOAT_MODE_P as insn constraint.
9936         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
9937         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
9938         sse4a_movntdf using MODEF mode iterator.
9939         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
9940         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
9941         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
9942         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
9943         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
9944         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
9945         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
9946
9947 2008-02-21  Richard Guenther  <rguenther@suse.de>
9948
9949         * tree.def (PAREN_EXPR): New tree code.
9950         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
9951         and PAREN_EXPR.
9952         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
9953         * expr.c (expand_expr_real_1): Likewise.
9954         * tree-inline.c (estimate_num_insns_1): Likewise.
9955         * tree-complex.c (expand_complex_move): Likewise.
9956         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
9957         as plain x.
9958
9959 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9960
9961         PR target/35225
9962         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
9963
9964 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9965
9966         PR target/35190
9967         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
9968
9969         * config/sh/sh.c (find_barrier): Don't go past
9970         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
9971
9972 2008-02-20  DJ Delorie  <dj@redhat.com>
9973
9974         * config/h8300/h8300.md (insv): Force source operand to be a register.
9975
9976         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
9977         as a jump, not as a plain insn.
9978         
9979 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
9980
9981         * doc/invoke.texi (Warning Options): Add new option
9982         -Wframe-larger-than=.
9983         (-Wframe-larger-than): Document.
9984
9985         * flags.h (warn_frame_larger_than, frame_larger_than_size):
9986         Add declarations for new option variables.
9987
9988         * final.c (final_start_function): Check the frame size
9989         before emission and issue a Wframe-larger-than warning.
9990
9991         * opts.c (warn_frame_larger_than, frame_larger_than_size):
9992         Add definitions for new option variables.
9993         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
9994
9995         * common.opt (Wframe-larger-than=): New option.
9996
9997 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
9998
9999         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
10000         (<sse>_div<mode>3): Ditto.
10001         (<sse>_vmdiv<mode>3): Ditto.
10002         (<sse>_vmsqrt<mode>2): Ditto.
10003         (*smax<mode>3): Ditto.
10004         (sse5_frcz<mode>2): Ditto.
10005         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
10006         as insn constraint.
10007
10008 2008-02-20  Richard Guenther  <rguenther@suse.de>
10009
10010         PR middle-end/35265
10011         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
10012         be happy with INTEGRAL_TYPE_P.
10013
10014 2008-02-20  Richard Guenther  <rguenther@suse.de>
10015
10016         * fold-const.c (split_tree): Associate floatig-point expressions
10017         if flag_associative_math is set.
10018
10019 2008-02-20  Richard Guenther  <rguenther@suse.de>
10020
10021         * tree.h (fold_real_zero_addition_p): Declare.
10022         * fold-const.c (fold_real_zero_addition_p): Export.
10023         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
10024         floating-point operations with zero and one.
10025
10026 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
10027
10028         * doc/install.texi: Correct references to CFLAGS, replacing them
10029         with BOOT_CFLAGS.  Document flags used during bootstrap for
10030         target libraries.
10031                                 
10032 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
10033
10034         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
10035         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
10036         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
10037         insn constraint.
10038         (smin<mode>3): Ditto from similar patterns.
10039         (smax<mode>3): Ditto.
10040         (*ieee_smin<mode>3): Ditto.
10041         (*ieee_smax<mode>3): Ditto.
10042         * config/i386/sse.md (sse): New mode attribute.
10043         (mov<mode>): Macroize expander from movv4sf and movv2df using
10044         SSEMODEF2P mode iterator.
10045         (<sse>_movnt<mode>): Ditto from similar patterns. Use
10046         SSE_VEC_FLOAT_MODE_P as insn constraint.
10047         (storent<mode>): Ditto.
10048         (storent<mode>): Macroize expander from storentsf and storentdf using
10049         MODEF mode iterator.
10050         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
10051         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
10052         (abs<mode>2): Ditto from similar patterns.
10053         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
10054         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
10055         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
10056         (<sse>_vmsqrt<mode>2): Ditto.
10057         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
10058         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
10059         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
10060         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
10061         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
10062         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
10063         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
10064         insn constraint.
10065         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
10066         iterator and SSE_FLOAT_MODE_P as insn constraint.
10067         (<sse>_ucomi): Ditto from similar patterns.
10068         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
10069         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
10070         SSE_VEC_FLOAT_MODE_P as insn constraint.
10071         (vcond<mode>): Ditto from similar patterns.
10072         (and<mode>3, *and<mode>3): Ditto.
10073         (<sse>_nand<mode>3): Ditto.
10074         (ior<mode>3, *ior<mode>3): Ditto.
10075         (xor<mode>3, *xor<mode>3): Ditto.
10076         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
10077         iterator and SSE_FLOAT_MODE_P as insn constraint.
10078         (*nand<mode>3): Ditto from similar patterns.
10079         (*ior<mode>3): Ditto.
10080         (*xor<mode>3): Ditto.
10081
10082 2008-02-20  Ira Rosen  <irar@il.ibm.com>
10083
10084         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
10085         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
10086         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
10087
10088 2008-02-19  Jan Hubicka  <jh@suse.cz>
10089
10090         * predict.c (tree_bb_level_predictions): Remove variable next
10091         mistakely introduced by previous commit.
10092
10093 2008-02-19  Jan Hubicka  <jh@suse.cz>
10094
10095         * predict.c (predict_paths_leading_to): Rewrite.
10096         (predict_paths_for_bb): New.
10097         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
10098
10099 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10100
10101         PR bootstrap/35218
10102         * Makefile.in (build_file_translate): New.
10103         (gcc-vers.texi): Use it for translating $(abs_srcdir).
10104         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
10105         * configure.ac (build_file_translate): Substitute it.
10106         * configure: Regenerate.
10107
10108 2008-02-19  Jan Hubicka  <jh@suse.cz>
10109
10110         PR rtl-optimization/34408
10111         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
10112         invalid sharing.
10113
10114 2008-02-19  Jan Hubicka  <jh@suse.cz>
10115
10116         PR middle-end/28779
10117         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
10118         call_expr.
10119
10120 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
10121
10122         PR Ada/35186
10123         * config/i386/i386-modes.def: Revert the last DI alignment
10124         change until Ada people can look into it.
10125
10126 2008-02-19  Nick Clifton  <nickc@redhat.com>
10127
10128         * opts.c (print_specific_help): Fix typo in --help text.
10129
10130 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
10131
10132         PR target/35239
10133         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
10134         32-bit inline asm without asm alternatives for host GCC < 3.0.
10135
10136 2008-02-19  Richard Guenther  <rguenther@suse.de>
10137
10138         PR tree-optimization/34989
10139         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
10140         Allow propagation to INDIRECT_REF if we can simplify only.
10141
10142 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10143
10144         * c-common.c (warn_for_collisions_1): Use appropriate option when
10145         warning.
10146
10147 2008-02-19  Nick Clifton  <nickc@redhat.com>
10148
10149         PR other/31349
10150         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
10151         (handle_options): Fix indentation.
10152         (print_filtered_help): If no language-specific options were
10153         displayed tell the user how to list all the options supported by
10154         the language's front-end.
10155         (print_specific_help): Fix indentation and remove duplicate line.
10156         (common_handle_option): Handle the -v option.
10157         For --help enable the display of undocumented options if the -v
10158         switch has been included on the command line.
10159         For --help= check for overlaps in the arguments between the option
10160         classes and the language names and issue a warning when they
10161         cannot be disambiguated.
10162         * c.opt (v): Pass on to the common option handler.
10163
10164 2008-02-19  Revital Eres  <eres@il.ibm.com> 
10165
10166         * modulo-sched.c (sms_schedule): Change dump message when
10167         create_ddg function fails.
10168         (try_scheduling_node_in_cycle): Rename row to cycle.
10169         (print_partial_schedule): Rename CYCLE to ROW.
10170
10171 2008-02-19  Christian Bruel  <christian.bruel@st.com>
10172             Zdenek Dvorak  <ook@ucw.cz>
10173
10174         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
10175
10176 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
10177
10178         PR target/33555
10179         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
10180         (*x86_movdicc_0_m1_se): Ditto.
10181
10182 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
10183
10184         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
10185         (CMPtype): Define as __gcc_CMPtype.
10186         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
10187         (CMPtype): Define as __gcc_CMPtype.
10188
10189 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
10190
10191         Support valgrind 3.3 for --enable-checking=valgrind.
10192         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
10193         here.
10194         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
10195         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
10196         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
10197         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
10198         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
10199         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
10200         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
10201         respectively.
10202         * ggc-zone.c: Similar.
10203         * ggc-page.c: Similar.
10204
10205 2008-02-19  Paul Brook  <paul@codesourcery.com>
10206
10207         PR target/35071
10208         * config/arm/ieee754-df.S: Fix do_it typo.
10209         * config/arm/ieee754-sf.S: Fix do_it typo.
10210
10211 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
10212
10213         PR target/35189
10214         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
10215         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
10216         (OPTION_MASK_ISA_SSE_SET): Likewise.
10217         (OPTION_MASK_ISA_SSE2_SET): Likewise.
10218         (OPTION_MASK_ISA_SSE3_SET): Likewise.
10219         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
10220         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
10221         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
10222         (OPTION_MASK_ISA_SSE4_SET): Likewise.
10223         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
10224         (OPTION_MASK_ISA_SSE5_SET): Likewise.
10225         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
10226         (OPTION_MASK_ISA_MMX_UNSET): Updated.
10227         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
10228         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
10229         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
10230         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
10231         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
10232         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
10233         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
10234         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
10235         (OPTION_MASK_ISA_SSE4): Removed.
10236         (ix86_handle_option): Turn on bits in ix86_isa_flags and
10237         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
10238         (override_options): Don't turn on implied SSE/MMX bits in
10239         ix86_isa_flags.
10240
10241 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
10242
10243         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
10244         32bit host.
10245
10246 2008-02-18  Joey Ye  <joey.ye@intel.com>
10247
10248         PR middle-end/34921
10249         * tree-nested.c (insert_field_into_struct): Set type alignment
10250         to field alignment if the former is less than the latter.
10251
10252 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
10253
10254         * BASE-VER: Set to 4.4.0.
10255
10256 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
10257
10258         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
10259         * doc/cfg.texi: Likewise.
10260         * doc/extend.texi: Likewise.
10261         * doc/gty.texi: Likewise.
10262         * doc/invoke.texi: Likewise.
10263         * doc/loop.texi: Likewise.
10264         * doc/md.texi: Likewise.
10265         * doc/passes.texi: Likewise.
10266         * doc/rtl.texi: Likewise.
10267         * doc/sourcebuild.texi: Likewise.
10268         * doc/tm.texi: Likewise.
10269         * doc/tree-ssa.texi: Likewise.
10270
10271 2008-02-17  Richard Guenther  <rguenther@suse.de>
10272
10273         PR middle-end/35227
10274         * tree-complex.c (init_parameter_lattice_values): Handle parameters
10275         without default definition.
10276
10277 2008-02-17  Richard Guenther  <rguenther@suse.de>
10278
10279         PR tree-optimization/35231
10280         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
10281         if A | B != 1.
10282
10283 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
10284
10285         Revert:
10286         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>    
10287         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
10288         libgcc_cmp_return mode.
10289
10290 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10291
10292         PR c/28368
10293         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
10294
10295 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
10296
10297         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
10298         multilibs.
10299
10300 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10301
10302         * doc/c-tree.texi: Use `@.' where appropriate.
10303         * doc/extend.texi: Likewise.
10304         * doc/install.texi: Likewise.
10305         * doc/invoke.texi: Likewise.
10306         * doc/loop.texi: Likewise.
10307         * doc/makefile.texi: Likewise.
10308         * doc/md.texi: Likewise.
10309         * doc/passes.texi: Likewise.
10310         * doc/standards.texi: Likewise.
10311         * doc/tm.texi: Likewise.
10312
10313 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
10314
10315         PR middle-end/35196
10316         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
10317         in entry_bb.
10318         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
10319         rather than in entry_bb.
10320
10321 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
10322
10323         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
10324         libgcc_cmp_return mode.
10325
10326 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
10327
10328         PR middle-end/35130
10329         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
10330         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
10331
10332 2008-02-15  Richard Guenther  <rguenther@suse.de>
10333             Zdenek Dvorak  <ook@ucw.cz>
10334
10335         PR tree-optimization/35164
10336         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
10337         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
10338         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
10339         Only propagate addresses which do not have abnormal SSA_NAMEs
10340         in their operands.
10341
10342 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
10343
10344         PR target/35088
10345         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
10346
10347 2008-02-15  Jan Hubicka  <jh@suse.cz>
10348
10349         PR middle-end/35149
10350         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
10351
10352 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
10353
10354         PR middle-end/34621
10355         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
10356         when calculating alignment_pad.
10357
10358 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
10359
10360         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
10361         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
10362         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
10363         and STACK_BOUNDARY define.
10364
10365 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
10366
10367         PR preprocessor/35061
10368         * c-pragma.c (handle_pragma_pop_macro): Check that
10369         pushed_macro_table has been allocated.
10370
10371 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
10372
10373         PR middle-end/35136
10374         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
10375         (force_gimple_operand): Likewise.
10376         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
10377         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
10378         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
10379         (find_interesting_uses_address): Check addressability and alignment
10380         of the base expression only after substituting bases of IVs into it.
10381
10382 2008-02-14  Michael Matz  <matz@suse.de>
10383
10384         PR target/34930
10385         * function.c (instantiate_virtual_regs_in_insn): Reload address
10386         before falling back to reloading the whole operand.
10387
10388 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
10389
10390         * config/s390/s390.c (s390_mainpool_start): Emit the pool
10391         before the first section switch note.
10392
10393 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
10394
10395         * doc/bugreport.texi: Update copyright years.
10396         * doc/c-tree.texi: Likewise.
10397         * doc/cfg.texi: Likewise.
10398         * doc/cpp.texi: Likewise.
10399         * doc/cppinternals.texi: Likewise.
10400         * doc/fragments.texi: Likewise.
10401         * doc/frontends.texi: Likewise.
10402         * doc/gcc.texi: Likewise.
10403         * doc/gty.texi: Likewise.
10404         * doc/hostconfig.texi: Likewise.
10405         * doc/implement-c.texi: Likewise.
10406         * doc/libgcc.texi: Likewise.
10407         * doc/loop.texi: Likewise.
10408         * doc/makefile.texi: Likewise.
10409         * doc/options.texi: Likewise.
10410         * doc/passes.texi: Likewise.
10411         * doc/rtl.texi: Likewise.
10412         * doc/sourcebuild.texi: Likewise.
10413         * doc/standards.texi: Likewise.
10414         * doc/tree-ssa.texi: Likewise.
10415         * doc/trouble.texi: Likewise.
10416
10417         * doc/extend.texi: Use @: or add comma where appropriate.
10418         * doc/invoke.texi: Likewise.
10419         * doc/tm.texi: Likewise.
10420
10421 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
10422
10423         PR target/34393
10424         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
10425         to a reg.
10426
10427 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
10428
10429         * doc/md.texi (clz, ctz): Add reference.
10430         * doc/rtl.texi (clz, ctz): Likewise.
10431
10432 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10433
10434         PR other/35148
10435         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
10436         srcdir.
10437
10438 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
10439
10440         * config/s390/s390.c (struct constant_pool): New field
10441         emit_pool_after added.
10442         (s390_mainpool_start): Set the emit_pool_after flag according
10443         to the section switch notes.
10444         (s390_mainpool_finish): Consider emit_pool_after when emitting
10445         the literal pool at the end of the function.
10446         (s390_chunkify_start): Force literal pool splits at section
10447         switch notes.
10448
10449 2008-02-13  Michael Matz  <matz@suse.de>
10450
10451         PR debug/35065
10452         * var-tracking.c (clobber_variable_part): Correctly traverse the
10453         list.
10454
10455 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10456
10457         PR 29673
10458         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
10459         Add -fdump-ipa-inline.
10460         * tree-dump.c (dump_files): Remove tree-inlined dump.
10461         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
10462         
10463 2008-02-12  Richard Guenther  <rguenther@suse.de>
10464
10465         PR tree-optimization/35171
10466         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
10467         default defs.
10468
10469 2008-02-12  Richard Guenther  <rguenther@suse.de>
10470
10471         PR middle-end/35163
10472         * fold-const.c (fold_widened_comparison): Use get_unwidened in
10473         value-preserving mode.  Disallow final truncation.
10474
10475 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
10476
10477         PR middle-end/35136
10478         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
10479         code from here to...
10480         (force_gimple_operand): ...here.
10481
10482 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
10483
10484         PR c++/35144
10485         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
10486         non-compatible pointers.
10487         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
10488         different FIELD_DECLs, try harder by comparing field offsets, sizes
10489         and types.
10490
10491         PR inline-asm/35160
10492         * function.c (match_asm_constraints_1): Don't replace the same input
10493         multiple times.
10494
10495 2008-02-12  Anatoly Sokolov <aesok@post.ru>
10496
10497         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
10498         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
10499         (expand_epilogue): Restore RAMPZ register.
10500         * config/avr/avr.md (RAMPZ_ADDR): New constant.
10501
10502 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
10503
10504         * config/i386/cygwin.asm: (__alloca): Correct calling
10505         convention and alignment.
10506         (__chkstk): Force 8 byte stack alignment.
10507
10508 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
10509             Richard Guenther  <rguenther@suse.de>
10510
10511         PR tree-optimization/33992
10512         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
10513         the zero we compare against.
10514
10515 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
10516
10517         PR libfortran/35063
10518         * gthr-win32.h (__gthread_mutex_destroy_function): New function
10519         to CloseHandle after unlocking to prevent accumulation of handle
10520         count.
10521
10522 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10523
10524         PR middle_end/34150
10525         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
10526         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
10527         and update LABEL_NUSES during and after reload.
10528
10529 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
10530
10531         PR middle-end/34627
10532         * combine.c (simplify_if_then_else): Make sure the comparison is
10533         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
10534
10535 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
10536
10537         PR bootstrap/35051
10538         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
10539         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
10540         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
10541         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
10542         * tree.h (get_type_static_bounds): Likewise.
10543
10544 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10545
10546         * doc/invoke.texi (Option Summary, C++ Dialect Options)
10547         (Objective-C and Objective-C++ Dialect Options, Warning Options):
10548         Make -Wfoo language annotations match what the compiler outputs.
10549
10550 2008-02-08  Sa Liu  <saliu@de.ibm.com>
10551
10552         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu 
10553         intrinsics spu_convts, spu_convtu, spu_convtf.
10554
10555 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
10556
10557         * doc/extend.texi (Function Attributes) <noinline>: Mention
10558         asm ("") as method to keep calls.
10559
10560 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10561
10562         PR other/32754
10563         * doc/options.texi (Options): Replace references to opts.sh with
10564         optc-gen.awk.
10565         * opts-common.c: Likewise.
10566         * optc-gen.awk: Likewise.
10567         
10568 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
10569
10570         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
10571
10572 2008-02-07  Richard Henderson  <rth@redhat.com>
10573
10574         PR rtl-opt/33410
10575         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
10576         EXPR_LIST for the REG_EQUAL instead of a comparison with a 
10577         funny mode.
10578
10579 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
10580
10581         PR tree-optimization/35085
10582         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
10583         for operand entry oe2 in addition to operand entry oe3 in order to
10584         expose more opportunities for vectorizer sum reduction.
10585
10586 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10587
10588         PR other/35107
10589         * Makefile.in (LIBS): Remove $(GMPLIBS).
10590         (cc1-dummy, cc1): Add $(GMPLIBS).
10591
10592 2008-02-06  Jan Hubicka  <jh@suse.cz>
10593
10594         PR target/23322
10595         * i386.md (moddf_integer): Do not produce partial memory stalls for
10596         targets where it hurts.
10597
10598 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
10599
10600         PR target/35083
10601         * optabs.c (expand_float): Do not check for decimal modes when
10602         expanding unsigned integer through signed conversion.
10603
10604 2008-02-06  Nick Clifton  <nickc@redhat.com>
10605
10606         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
10607         inside the clobber with a match_operand and duplicated operand
10608         number in the constraint.
10609         (ineqbranchsi): Delete redundant comment.
10610
10611 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
10612
10613         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add 
10614         builtin_define ("__USE_INIT_FINI__").
10615         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
10616         -msx multilibs.
10617         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
10618
10619 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10620
10621         PR documentation/30330
10622         * doc/invoke.texi (C++ Dialect Options)
10623         (Objective-C and Objective-C++ Dialect Options, Warning Options):
10624         For each warning option -Wfoo that allows -Wno-foo, ensure both
10625         -Wfoo and -Wno-foo are listed in the option index.  Fix index
10626         entry of -Wswitch-default, index -Wnormalized= including the
10627         `=', and -Wlarger-than-@var{len} including @var{len}.
10628
10629 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
10630
10631         * config/i386/i386.md (floatunssisf2): Use
10632         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
10633         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
10634         Macroize expander using MODEF mode iterator.
10635
10636 2008-02-05  Diego Novillo  <dnovillo@google.com>
10637
10638         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
10639
10640         PR 33738
10641         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
10642
10643 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10644
10645         PR other/35070
10646         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
10647
10648 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
10649
10650         PR target/35084
10651         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
10652         to indicate if a message should be generated.
10653         (init_cumulative_args): Updated.
10654         (function_value_32): Likewise.
10655
10656 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
10657
10658         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
10659
10660 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
10661
10662         PR target/35083
10663         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
10664         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
10665
10666 2008-02-04  Diego Novillo  <dnovillo@google.com>
10667
10668         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
10669
10670         PR 33738
10671         * tree-vrp.c (vrp_evaluate_conditional): With
10672         -Wtype-limits, emit a warning when comparing against a
10673         constant outside the natural range of OP0's type.
10674
10675 2008-02-04  Richard Guenther  <rguenther@suse.de>
10676
10677         PR middle-end/33631
10678         * expr.c (count_type_elements): Give for unions instead of
10679         guessing.
10680
10681 2008-02-04  Richard Guenther  <rguenther@suse.de>
10682
10683         PR middle-end/35043
10684         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
10685         to TYPE_DOMAINs base type instead of using bitsizetype here.
10686
10687 2008-02-03  Jason Merrill  <jason@redhat.com>
10688
10689         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
10690
10691 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10692
10693         PR other/29972
10694         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
10695         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
10696         (RS/6000 and PowerPC Options): Fix typos and markup.
10697         * doc/passes.texi (Tree-SSA passes): Likewise.
10698
10699 2008-02-02  Michael Matz  <matz@suse.de>
10700
10701         PR target/35045
10702         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
10703         from record_last_reg_set_info.
10704         (record_last_reg_set_info): Take an RTX argument, iterate over all
10705         constituent hardregs.
10706         (record_last_set_info, record_opr_changes): Change calls to
10707         new signature or to record_last_reg_set_info_regno.
10708
10709 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
10710
10711         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
10712
10713 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
10714
10715         PR rtl-optimization/34773
10716         * reg-notes.def (EQUAL): Mention significance of combination of
10717         REG_EQUAL and REG_RETVAL.
10718         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
10719         insn that has a REG_RETVAL.
10720
10721 2008-02-01  Roger Sayle  <roger@eyesopen.com>
10722
10723         PR bootstrap/33781
10724         * configure.ac (--enable-fixed-point): Disable unless explicitly
10725         requested on IRIX.
10726         * configure: Regenerate.
10727
10728 2008-02-01  Richard Guenther  <rguenther@suse.de>
10729
10730         PR other/35042
10731         * invoke.texi (-finline-limit): Remove no longer true parts
10732         of the documentation.  Note that there is no default value.
10733
10734 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
10735             Mark Mitchell  <mark@codesourcery.com>
10736             Ben Elliston  <bje@au.ibm.com>
10737
10738         PR c/29326
10739         * doc/extend.texi (Other Builtins): Document.
10740
10741 2008-01-31  Tom Browder <tom.browder@gmail.com>
10742
10743         * doc/c-tree.texi (Types): Fix grammar.
10744         (Expression trees): Ditto.
10745         * doc/passes.texi (Tree-SSA passes): Ditto.
10746         
10747         * doc/configterms.texi (Configure Terms): Fix typo.
10748         * doc/cpp.texi (Common Predefined Macros): Ditto.
10749         * doc/md.texi (Machine Constraints): Ditto.
10750         
10751         * doc/makefile.texi (Makefile): Add comma.
10752
10753 2008-01-31  Tom Browder  <tom.browder@gmail.com>
10754             Gerald Pfeifer  <gerald@pfeifer.com>
10755         
10756         * doc/sourcebuild.texi (Front End): Remove references to CVS
10757         and CVSROOT/modules.
10758         (Texinfo Manuals): Replace reference to CVS by one to SVN.
10759         (Back End): Remove reference to CVS.
10760
10761 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
10762
10763         PR target/34900
10764         * config/mips/mips.c (gen_load_const_gp): New function, taking a
10765         comment from...
10766         (mips16_gp_pseudo_reg): ...here.
10767         * config/mips/mips.md (load_const_gp): Replace with...
10768         (load_const_gp_<mode>): ...this :P-based insn.
10769
10770 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10771
10772         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
10773         options. Minor fixes.
10774         (-std): Move reference to standards closer to where language
10775         standards are first mentioned.
10776         
10777 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
10778
10779         PR rtl-optimization/34995
10780         * reload.c (alternative_allows_const_pool_ref): Take an rtx
10781         parameter and return a bool.  If the rtx parameter is nonnull,
10782         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
10783         (find_reloads): Update call accordingly.  Pass the new operand
10784         if it needed no address reloads, otherwise pass null.
10785
10786 2008-01-30  Richard Henderson  <rth@redhat.com>
10787
10788         PR c/34993
10789         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
10790         for unbounded arrays.
10791
10792 2008-01-30  Silvius Rus  <rus@google.com>
10793
10794         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
10795
10796 2008-01-30  Jan Hubicka  <jh@suse.cz>
10797
10798         PR target/34982
10799         * i386.c (init_cumulative_args): Use real function declaration when
10800         calling locally.
10801
10802 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
10803
10804         PR rtl-optimization/34998
10805         * global.c (build_insn_chain): Treat non-subreg_lowpart
10806         SUBREGs of pseudos as clobbering all the words covered by the
10807         SUBREG, not just all the bytes.
10808         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
10809         original df_ref rather than an extract parameter.
10810         (global_conflicts): Update call accordingly.
10811
10812 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
10813
10814         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
10815         the overflow check to make it easier to read.
10816         (__fixtfdi): Change the type of the ll member in union
10817         long_double to UDItype_x.
10818
10819 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
10820
10821         PR middle-end/34969
10822         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
10823         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
10824         * tree-inline.c (fold_marked_statements): Call
10825         cgraph_update_edges_for_call_stmt if folding a call statement.
10826         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
10827         debug_generic_stmt calls, reset it back afterwards.
10828
10829         PR c/35017
10830         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
10831         static decls.
10832         * c-typeck.c (build_external_ref): Don't pedwarn about
10833         static vars in current function's scope.
10834
10835 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
10836
10837         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
10838
10839 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
10840
10841         PR c/35002
10842         * ipa-struct-reorg.c: Fix spelling.
10843         * params.def: Ditto.
10844
10845 2008-01-29  Richard Guenther  <rguenther@suse.de>
10846
10847         PR middle-end/35006
10848         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
10849         field.
10850         * tree-inline.c (remap_type): Increment remapping_type_depth
10851         around remapping types.
10852         (copy_body_r): Only add referenced variables if they are referenced
10853         from code, not types.
10854
10855 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
10856
10857         PR c++/34055
10858         PR c++/34103
10859         PR c++/34219
10860         PR c++/34606
10861         PR c++/34753
10862         PR c++/34754
10863         PR c++/34755
10864         PR c++/34919
10865         PR c++/34961
10866         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
10867         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
10868
10869 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
10870
10871         PR target/34412
10872         * config/avr/avr.c (expand_prologue): Use correct QI mode frame 
10873         pointer for tiny stack.
10874
10875 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
10876
10877         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
10878
10879 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
10880
10881         * config/vx-common.h: Fix typo in comment.
10882
10883 2008-01-28  Ian Lance Taylor  <iant@google.com>
10884
10885         PR c++/34862
10886         PR c++/33407
10887         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
10888         coalesce pointers if they have different DECL_NO_TBAA_P values.
10889         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
10890         between variables with different DECL_NO_TBAA_P values.
10891
10892 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
10893
10894         PR 31535
10895         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
10896         are not legitimate small data references on SPE targets.
10897
10898 2008-01-28  David Daney  <ddaney@avtrex.com>
10899
10900         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
10901
10902 2008-01-28  David Daney  <ddaney@avtrex.com>
10903
10904         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
10905
10906 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
10907
10908         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
10909         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
10910         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
10911         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
10912         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
10913         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
10914         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
10915         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
10916
10917 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
10918
10919         * basic-block.h (condjump_equiv_p): Fix comment.
10920
10921 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
10922
10923         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
10924         print_generic_stmt_indented): Fix comment.
10925
10926 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
10927
10928         * configure.ac (__stack_chk_fail): Add detecion for availability
10929         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
10930         * configure: Regenerate.
10931
10932 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
10933
10934         PR middle-end/34688
10935         * final.c (output_addr_const): Handle TRUNCATE.
10936
10937 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
10938
10939         PR target/34711
10940         * tree-ssa-loop-ivopts.c (comp_cost): New type.
10941         (zero_cost, infinite_cost): New constants.
10942         (struct cost_pair): Change type of cost to comp_cost.
10943         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
10944         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
10945         New functions.
10946         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
10947         split_address_cost, ptr_difference_cost, difference_cost,
10948         get_computation_cost_at, get_computation_cost,
10949         determine_use_iv_cost_generic, determine_use_iv_cost_address,
10950         determine_use_iv_cost_condition, determine_use_iv_costs,
10951         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
10952         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
10953         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
10954         Change type of cost to comp_cost.
10955         (determine_iv_cost): Increase cost of non-original ivs, instead
10956         of decreasing the cost of original ones.
10957         (get_address_cost): Indicate the complexity of the addressing mode 
10958         in comp_cost.
10959         (try_add_cand_for): Prefer using ivs not specific to some object.
10960         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
10961
10962 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
10963             Janis Johnson  <janis187@us.ibm.com>
10964
10965         PR target/34814
10966         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
10967         (TARGET_INSTANTIATE_DECLS): Likewise.
10968         * target.h (expand_to_rtl_hook): New target hook.
10969         (instantiate_decls): Likewise.
10970         * function.c (instantiate_decl): Make non-static.  Rename to...
10971         (instantiate_decl_rtl): ... this.
10972         (instantiate_expr): Use instantiate_decl_rtl.
10973         (instantiate_decls_1): Likewise.
10974         (instantiate_decls): Likewise.
10975         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
10976         * function.h (instantiate_decl_rtl): Add prototype.
10977         * cfgexpand.c (target.h): New include.
10978         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
10979         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
10980         (TARGET_INSTANTIATE_DECLS): Likewise.
10981         (TARGET_INITIALIZER): New target hooks added.
10982         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
10983         New prototype.
10984         * config/rs6000/rs6000.c (tree-flow.h): New include.
10985         (machine_function): Add sdmode_stack_slot field.
10986         (rs6000_alloc_sdmode_stack_slot): New function.
10987         (rs6000_instantiate_decls): Likewise.
10988         (rs6000_secondary_memory_needed_rtx): Likewise.
10989         (rs6000_check_sdmode): Likewise.
10990         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
10991         (TARGET_INSTANTIATE_DECLS): Likewise.
10992         (rs6000_hard_regno_mode_ok): Allow SDmode.
10993         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
10994         (rs6000_emit_move): Handle SDmode.
10995         (function_arg_advance): Likewise.
10996         (function_arg): Likewise.
10997         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
10998         SDmode var args for 32-bit compiles.
10999         (rs6000_secondary_reload_class): Handle SDmode.
11000         (rs6000_output_function_epilogue): Likewise.
11001         (rs6000_function_value): Simplify if statement.
11002         (rs6000_libcall_value): Likewise.
11003         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
11004         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
11005         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
11006         (movsd_hardfloat): New define_insn.
11007         (movsd_softfloat): Likewise.
11008         (movsd_store): Likewise.
11009         (movsd_load): Likewise.
11010         (extendsddd2): Likewise.
11011         (extendsdtd2): Likewise.
11012         (truncddsd2): Likewise.
11013         (movdd_hardfloat64): Fixup comment.
11014         (UNSPEC_MOVSD_LOAD): New constant.
11015         (UNSPEC_MOVSD_STORE): Likewise.
11016
11017 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
11018
11019         PR c++/34965
11020         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
11021         TRUTH_XOR_EXPR.
11022         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
11023         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
11024         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
11025         and TRUTH_XOR_EXPR.
11026
11027 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
11028
11029         PR target/34794
11030         * config.gcc: Separate AIX 5.3 from AIX 6.1.
11031         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
11032         __LONGDOUBLE128 too.
11033         * config/rs6000/aix61.h: New file.
11034
11035 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
11036
11037         PR rtl-optimization/34959
11038         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
11039         popcount and parity rtxes the same mode as their operand.
11040         Truncate or extend the result to the return value's mode
11041         if necessary.
11042
11043 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
11044
11045         PR target/34981
11046         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
11047         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
11048         to GOT_VERSION_REGNUM.
11049         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
11050         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
11051         * config/mips/mips.c (mips_emit_call_insn): New function.
11052         (mips_call_tls_get_addr): Call mips_expand_call directly.
11053         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
11054         emit_call_insn.
11055         (mips16_build_call_stub): Likewise.  Return the call insn or null.
11056         (mips_expand_call): Update the call to mips16_build_call_stub
11057         accordingly and a remove redundant condition.  Assert that MIPS16
11058         stubs do not use lazy binding.  Use mips_emit_call_insn and return
11059         the call insn.
11060         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
11061         TARGET_USE_GOT.
11062         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
11063         (mips_avoid_hazard): Remove hazard_set handling.
11064         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
11065         (UNSPEC_RESTORE_GP): ...this.
11066         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
11067         (FAKE_CALL_REGNO): Rename to...
11068         (GOT_VERSION_REGNUM): ...this.
11069         (type): Add "ghost" value.  Add an associated insn reservation.
11070         (hazard_set): Remove.
11071         (exception_receiver): Rename to...
11072         (restore_gp): ...this and update the unspec identifier accordingly.
11073         (exception_receiver, nonlocal_got_receiver): New expanders.
11074         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
11075         FAKE_CALL_REGNO.  Remove hazard_set attribute.
11076         (set_got_version, update_got_version): New patterns.
11077
11078 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
11079
11080         PR target/34970
11081         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
11082
11083 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
11084
11085         PR other/31955
11086         * doc/install.texi2html: Generate gcc-vers.texi.
11087
11088 2008-01-25  DJ Delorie  <dj@redhat.com>
11089
11090         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
11091
11092 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
11093
11094         * config/c4x: Remove directory.
11095         * config.gcc (crx-*, mt-*): Mark obsolete.
11096         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
11097         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
11098         sh-*-rtemscoff*): Remove cases.
11099         * defaults.h (C4X_FLOAT_FORMAT): Remove.
11100         * real.c (encode_c4x_single, decode_c4x_single,
11101         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
11102         c4x_extended_format): Remove.
11103         * real.h (c4x_single_format, c4x_extended_format): Remove.
11104         * doc/extend.texi (interrupt, naked): Remove mention of attributes
11105         on C4x.
11106         (Pragmas): Remove comment about c4x pragmas.
11107         * doc/install.texi (c4x): Remove target-specific instructions.
11108         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
11109         * doc/md.texi (Machine Constraints): Remove C4x documentation.
11110         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
11111         refer to C4x source files as examples.
11112         (C4X_FLOAT_FORMAT): Remove documentation.
11113
11114 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
11115
11116         * config/bfin/bfin.c (override_options): Reorder tests so that
11117         flag_pic gets enabled for -msep-data.
11118
11119 2008-01-25  Richard Guenther  <rguenther@suse.de>
11120
11121         PR middle-end/32244
11122         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
11123         to its bitfield precision if required.
11124
11125 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
11126
11127         PR middle-end/33880
11128         * tree-nested.c (walk_omp_for): New function.
11129         (convert_nonlocal_reference, convert_local_reference): Call
11130         walk_omp_for on OMP_FOR.
11131         (convert_call_expr): Call walk_body on OMP_FOR's
11132         OMP_FOR_PRE_INIT_BODY.
11133
11134 2008-01-25  Richard Guenther  <rguenther@suse.de>
11135
11136         PR tree-optimization/34966
11137         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
11138         default defs and PHI_NODEs we have to insert after the
11139         defining statement.
11140
11141 2008-01-24  Nick Clifton  <nickc@redhat.com>
11142
11143         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
11144         Provide a default definition.
11145         (LIBGCC2_UNITS_PER_WORD): Likewise.
11146
11147         * config/stormy16/stormy16.c: Include df.h for the prototype
11148         for df_regs_ever_live_p.
11149         (xstormy16_expand_builtin_va_start): Convert the stack offset
11150         into a component_ref and then use POINTER_PLUS_EXPR to add it
11151         to the incoming_virtual_args_rtx.
11152         (xstormy16_gimplify_va_arg_expr): Rename to
11153         xstormy16_gimplify_va_arg_expr.
11154         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
11155         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
11156         xstormy16_gimplify_va_arg_expr.
11157         Fix up some formatting issues.
11158
11159         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
11160         Move to predicates.md.
11161         (xs_hi_general_operand): Likewise.
11162         (xs_hi_nonmemory_operand): Likewise.
11163         * config/stormy16/predicates.md:
11164         (xstormy16_carry_plus_operand): New predicate.
11165         (xs_hi_general_operand): New predicate.
11166         (xs_hi_nonmemory_operand): New predicate.
11167         * config/stormy16/stormy16-protos.h:
11168         (xstormy16_carry_plus_operand): Delete prototype.
11169         (xs_hi_general_operand): Likewise.
11170         (xs_hi_nonmemory_operand): Likewise.
11171
11172         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
11173         modifiers as they are no longer needed and they can trigger
11174         reload spill failures.
11175
11176         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
11177         with a match_operand in order to help reload.
11178
11179         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
11180         constraint with 'e' for the 8th alternative as this version of
11181         the mov.w instruction only accepts the lower 8 registers.
11182
11183 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
11184
11185         PR target/34856
11186         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
11187         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
11188         vector elements.
11189
11190 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
11191
11192         PR middle-end/33333
11193         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
11194
11195 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
11196
11197         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
11198         New functions.
11199         (remove_structure): Update allocations list before removing structure.
11200         
11201 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
11202
11203         * ipa-struct-reorg.c (is_safe_cond_expr, 
11204         create_new_stmts_for_cond_expr): Use integer_zerop function,
11205         that recognize not only zero-pointer, but zero-integer too.
11206
11207 2008-01-25  Ben Elliston  <bje@au.ibm.com>
11208
11209         PR other/22232
11210         * fixproto: Escape "." in sed expression that strips leading "./".
11211
11212 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
11213
11214         PR driver/34904
11215         * gcc.c (SWITCH_OK): Removed.
11216         (SWITCH_LIVE): Changed to bit.
11217         (SWITCH_FALSE): Likewise.
11218         (SWITCH_IGNORE): Likewise.
11219         (switchstr): Change live_cond to unsigned int.
11220         (process_command): Replace SWITCH_OK with 0.
11221         (do_self_spec): Likewise.
11222         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
11223         (give_switch): Likewise.
11224         (used_arg): Likewise.
11225         (do_spec_1): Set the SWITCH_IGNORE bit.
11226         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
11227         bits.  Set the SWITCH_LIVE bit.
11228
11229 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
11230
11231         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
11232
11233 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
11234
11235         PR tree-optimization/34472
11236         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
11237         parameter to a "bool *" and set *DATA to false if there is
11238         an unsafe access.  Do not delete the structure here.
11239         (check_cond_exprs): Delete it here instead.
11240         (check_cond_exprs, exclude_cold_structs): Do not increase
11241         I when removing a structure.
11242
11243 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
11244
11245         PR target/34856
11246         * config/i386/i386.c (ix86_expand_vector_init): Consider only
11247         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
11248
11249 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
11250
11251         PR middle-end/34934
11252         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
11253         a fixed vector for stack.
11254
11255 2008-01-24  Ben Elliston  <bje@au.ibm.com>
11256
11257         PR c++/25701
11258         * doc/gcc.texi (Software development): Add a direntry for g++.
11259         
11260 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
11261
11262         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
11263         stale and straggling -fforce-addr comments above.
11264
11265         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
11266         define.
11267         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
11268         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
11269
11270 2008-01-23  Michael Matz  <matz@suse.de>
11271
11272         PR debug/34895
11273         * dwarf2out.c (force_type_die): Use modified_type_die instead of
11274         gen_type_die.
11275
11276 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
11277
11278         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
11279         malloc result type.
11280
11281 2008-01-23 Anatoly Sokolov <aesok@post.ru>
11282
11283         * config/avr/avr.c (avr_current_arch): New variable.
11284         (avr_arch_types): Add 'avr31' and 'avr51' entries.
11285         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
11286         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
11287         (avr_override_options): Init 'avr_current_arch'. 
11288         (base_arch_s): Move from here...
11289         * config/avr/avr.h (base_arch_s): ... here. Add new members 
11290         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename 
11291         'mega' to 'have_jmp_call'.
11292         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__", 
11293         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
11294         macros.
11295         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51' 
11296         architectures.
11297         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, 
11298         MULTILIB_MATCHES): (Ditto.).
11299
11300 2008-01-23  Richard Guenther  <rguenther@suse.de>
11301
11302         PR middle-end/31529
11303         * cgraphunit.c (cgraph_reset_node): Always mark the node
11304         not reachable if it is not queued already.
11305
11306 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
11307
11308         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
11309         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
11310         (cputype_selected): New static variable.
11311         (bfin_handle_option): Set it if -mcpu is used.
11312         (override_option): Select default set of workarounds if no cpu type
11313         selected on the command line.
11314         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
11315
11316         From  Michael Frysinger  <michael.frysinger@analog.com>
11317         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
11318         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
11319
11320         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
11321         for bf547, bf523, bf524, and bf526.
11322         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
11323         bf526.
11324         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
11325         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
11326         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
11327         __ADSPBF547__ and __ADSPBF54x__ for bf547.
11328         * doc/invoke.texi (Blackfin Options): Document that
11329         -mcpu now accept bf547, bf523, bf524, and bf526.
11330
11331 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
11332
11333         PR rtl-optimization/34628
11334         * combine.c (try_combine): Stop and undo after the first combination
11335         if an autoincrement side-effect on the first insn has effectively
11336         been lost.
11337
11338 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
11339
11340         PR target/34529
11341         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
11342         Offset addresses are not valid for Altivec or paired float modes.
11343
11344 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
11345
11346         PR c++/34607
11347         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
11348         if DECL_INITIAL (decl) is error_mark_node.
11349
11350         PR c++/34914
11351         * c-common.c (handle_vector_size_attribute): Only allow
11352         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
11353         the same way as pointer, array etc. types.
11354         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
11355
11356         PR c++/34917
11357         * tree.c (build_type_attribute_qual_variant): Call
11358         build_qualified_type if attributes are equal, but quals are not.
11359
11360 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11361
11362         PR 32102
11363         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
11364         * flags.h (warn_strict_aliasing): Remove.
11365         (warn_strict_overflow): Remove.
11366         * opts.c (warn_strict_aliasing): Remove.
11367         (warn_strict_overflow): Remove.
11368         * c-opts.c (c_common_handle_option): -Wall only sets
11369         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
11370         (c_common_post_options): Give default values to -Wstrict-aliasing
11371         and -Wstrict-overflow if they are uninitialized.
11372         * common.opt (Wstrict-aliasing): Specify Var and Init.
11373         (Wstrict-overflow): Likewise.
11374
11375 2008-01-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
11376
11377         PR rtl-optimization/26854
11378         PR rtl-optimization/34400
11379         PR rtl-optimization/34884
11380         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
11381         DF_RD->gen.
11382         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
11383         (df_rd_bb_info.expanded_lr_out): Deleted
11384         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
11385         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
11386         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
11387         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
11388         Removed code to allocate, initialize or free expanded_lr_out.
11389         (df_rd_bb_local_compute_process_def): Restructured to make more
11390         understandable.
11391         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
11392         sets if the sets are being trimmed.
11393
11394 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
11395
11396         PR bootstrap/32287
11397         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
11398         (as_vers): Likewise.
11399         * configure: Regenerated.
11400
11401 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11402
11403         PR middle-end/33092
11404         * tree-pass.h (pass_build_alias): New pass.
11405         * tree-ssa-alias.c (gate_build_alias): New.
11406         (pass_build_alias): New.
11407         * passes.c (init_optimization_passes): Add pass_build_alias after
11408         pass_create_structure_vars.
11409
11410 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
11411
11412         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
11413         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
11414         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
11415         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
11416         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
11417         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
11418         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
11419         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
11420         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
11421         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
11422         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
11423         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
11424         * config/s390/s390.md (FP_ALL): New mode iterator.
11425         (_d): New mode attribute.
11426         ("*signbit<mode>2>"): Changed mode of first operand.
11427         ("isinf<mode>2"): Changed mode of first operand.
11428         ("*TDC_insn"): Adaptation for DFP modes.
11429
11430 2008-01-22  Ben Elliston  <bje@au.ibm.com>
11431
11432         * tree.c (check_qualified_type): Improve function description.
11433
11434 2008-01-21  Jason Merrill  <jason@redhat.com>
11435
11436         PR c++/34196
11437         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
11438         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
11439         if it is set.
11440
11441 2008-01-21  DJ Delorie  <dj@redhat.com>
11442
11443         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
11444         return zero.
11445
11446 2008-01-21  Richard Guenther  <rguenther@suse.de>
11447
11448         PR middle-end/34856
11449         * tree-cfg.c (verify_expr): Allow all invariant expressions
11450         instead of just constant class ones as reference argument.
11451         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
11452         like any other constant.
11453         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
11454
11455 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
11456
11457         * regmove.c (fixup_match_1): Update call crossed frequencies.
11458
11459 2008-01-21  Richard Guenther  <rguenther@suse.de>
11460
11461         PR c/34885
11462         * tree-inline.c (setup_one_parameter): Deal with mismatched
11463         types using a VIEW_CONVERT_EXPR.
11464
11465 2008-01-21  Alon Dayan  <alond@il.ibm.com>
11466             Olga Golovanevsky  <olga@il.ibm.com>
11467         
11468         PR tree-optimization/34701
11469         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
11470         when the structure size is not a power of 2.
11471
11472 2008-01-20  Kenneth Zadeck  <zadeck@naturalbridge.com>
11473
11474         * doc/install.texi: Add doc for --enable-checking=df.
11475         
11476 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
11477
11478         PR rtl-optimization/34808
11479         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
11480
11481 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
11482
11483         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
11484         input.
11485
11486 2008-01-19  Kenneth Zadeck  <zadeck@naturalbridge.com>
11487
11488         PR rtl-optimization/26854
11489         PR rtl-optimization/34400
11490         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
11491         DF_RD->gen.
11492         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
11493         (df_rd_bb_info.expanded_lr_out): New.
11494         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
11495         * loop_iv.c (iv_analysis_loop_init): Ditto.
11496         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
11497         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
11498         Added code to allocate, initialize or free expanded_lr_out.
11499         (df_rd_bb_local_compute_process_def): Restructured to make
11500         more understandable.
11501         (df_rd_confluence_n): Add code to do nothing with fake edges and
11502         code to no apply invalidate_by_call sets if the sets are being trimmed.
11503         (df_lr_local_finalize): Renamed to df_lr_finalize.
11504         (df_live_local_finalize): Renamed to df_live_finalize.
11505
11506 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
11507
11508         PR target/34831
11509         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
11510         deciding whether to use reciprocal instructions.
11511
11512 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
11513
11514         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
11515         dwarf2out_note_section_used if cold_text_section is NULL.
11516
11517 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
11518
11519         PR gcov-profile/34610
11520         * tree-cfg.c (make_edges): Mark both outgoing edges from
11521         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
11522         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
11523         from OMP_FOR and OMP_CONTINUE outgoing edges.
11524
11525         * tree-profile.c (tree_profiling): Return early if
11526         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
11527         at the end.
11528         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
11529         from cfun to child_cfun.
11530         * function.h (struct function): Add after_tree_profile bit.
11531
11532 2008-01-19 Anatoly Sokolov <aesok@post.ru>
11533
11534         * config/avr/avr.S (_exit): Disable interrupt.
11535
11536 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
11537             Steven Bosscher  <stevenb.gcc@gmail.com>
11538
11539         PR rtl-optimization/26854
11540         PR rtl-optimization/34400
11541         * df-problems.c (df_live_scratch): New scratch bitmap.
11542         (df_live_alloc): Allocate df_live_scratch when doing df_live.
11543         (df_live_reset): Clear the proper bitmaps.
11544         (df_live_bb_local_compute): Only process the artificial defs once
11545         since the order is not important.
11546         (df_live_init): Init the df_live sets only with the variables
11547         found live by df_lr.
11548         (df_live_transfer_function): Use the df_lr sets to prune the
11549         df_live sets as they are being computed.  
11550         (df_live_free): Free df_live_scratch.
11551
11552 2008-01-18  Ian Lance Taylor  <iant@google.com>
11553
11554         * common.opt: Add fmerge-debug-strings.
11555         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
11556         flag_merge_debug_strings rather than flag_merge_constants.
11557         * doc/invoke.texi (Option Summary): Mention
11558         -fmerge-debug-strings.
11559         (Debugging Options): Document -fmerge-debug-strings.
11560
11561 2008-01-18  Ian Lance Taylor  <iant@google.com>
11562
11563         PR c++/33407
11564         * tree.h (DECL_IS_OPERATOR_NEW): Define.
11565         (struct tree_function_decl): Add new field operator_new_flag.
11566         * tree-inline.c (expand_call_inline): When inlining a call to
11567         operator new, force the return value to go into a variable, and
11568         set DECL_NO_TBAA_P on that variable.
11569         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
11570
11571 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
11572
11573         PR debug/34484
11574         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
11575         DWARF2_DEBUGGING_INFO.
11576         (dwarf2out_note_section_used): Ditto.  Add prototype.
11577         (have_multiple_function_sections, text_section_used,
11578         cold_text_section_used, *cold_text_sections): Move declarations
11579         before their uses.
11580
11581 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
11582
11583         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
11584         field and add signal_ra.
11585         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
11586         assignments to frame state pc.  Move end of stack check after
11587         MD_FALLBACK_FRAME_STATE_FOR.
11588         (uw_update_context_1): Use frame state signal_regs if set, instead
11589         of checking signal_frame flag.
11590         (uw_update_context): Use frame state signal_ra if set.
11591         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
11592         * config/xtensa/linux-unwind.h: New file.
11593
11594 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
11595
11596         * modulo-sched.c (get_sched_window): Fix comment typo.
11597
11598 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
11599
11600         PR tree-optimization/34648
11601         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
11602
11603 2008-01-17  Anatoly Sokolov <aesok@post.ru>
11604
11605         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
11606         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
11607
11608 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
11609
11610         PR rtl-optimization/34400
11611         * df-core.c (df_worklist_dataflow_overeager,
11612         df_worklist_dataflow_doublequeue): New functions.
11613         (df_worklist_dataflow): Two different worklist solvers.
11614         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
11615         New param.
11616
11617 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
11618
11619         PR testsuite/34821
11620         * doc/invoke.texi: Document the dependence on pthread for fopenmp
11621         and ftree-parallelize-loops.
11622
11623 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
11624
11625         PR rtl-optimization/34826
11626         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
11627
11628 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
11629
11630         * global.c (find_reg): Mark the eh regs as used if necessary.
11631         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
11632         * ra.h (struct allocno): no_eh_reg field added.  Changed
11633         no_stack_reg type to bitfield.
11634
11635 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
11636
11637         * tree.c (substitute_in_expr): Add missing 'break'.
11638
11639 2008-01-17  Richard Guenther  <rguenther@suse.de>
11640
11641         PR tree-optimization/34825
11642         * tree-ssa-math-opts.c (is_division_by): Do not recognize
11643         x / x as division to handle.
11644
11645 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11646
11647         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
11648         "-pthread" is specified.
11649         * pa-hpux11.h (LIB_SPEC): Likewise.
11650
11651 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
11652             Peter Bergner  <bergner@vnet.ibm.com>
11653
11654         PR rtl-optimization/33796
11655         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
11656
11657 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11658
11659         PR libgfortran/34699
11660         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
11661         static links.
11662         * pa-hpux10.h (LINK_SPEC): Likewise.
11663         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
11664
11665 2008-01-16  Richard Guenther  <rguenther@suse.de>
11666
11667         PR middle-end/32628
11668         * fold-const.c (fold_convert_const_int_from_int): Do not
11669         set overflow if that occured only because of a sign extension
11670         change when converting from/to a sizetype with the same
11671         precision and signedness.
11672
11673 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
11674
11675         PR debug/34249
11676         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
11677         location address to the correct place.  Update copyright year.
11678
11679 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
11680
11681         * lambda-code.c (lambda_transform_legal_p): Handle the case of
11682         no dependences in the dependence_relations vector.
11683
11684 2008-01-16  Jan Hubicka  <jh@suse.cz>
11685
11686         PR rtl-optimization/31396
11687         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
11688         * cfg.c (dump_reg_info): Print it.
11689         * regs.h (struct reg_info_t): add freq_calls_crossed.
11690         (REG_FREQ_CALLS_CROSSED): New macro.
11691         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
11692         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
11693         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
11694         regmove_optimize): Update call crossed frequencies.
11695         * local-alloc.c (struct qty): Add freq_calls_crossed.
11696         (alloc_qty): Copute freq_calls_crossed.
11697         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
11698         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
11699         * ra.h (struct allocno): Add freq_calls_crossed.
11700
11701 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
11702
11703         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
11704         libgomp when compiling with ftree-parallelize-loops.
11705         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
11706
11707 2008-01-16  Richard Guenther  <rguenther@suse.de>
11708
11709         PR tree-optimization/34769
11710         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
11711         * tree.c (int_cst_value): Instead make this function more
11712         permissive in what it accepts as valid input.  Document this
11713         function always sign-extends the value.
11714
11715 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
11716             Richard Guenther  <rguenther@suse.de>
11717
11718         PR c/34668
11719         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
11720         (gimple_fold_indirect_ref_rhs): ... this.
11721         (gimple_fold_indirect_ref): New function with foldings
11722         that preserve lvalueness.
11723         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
11724         * tree-flow.h (gimple_fold_indirect_ref): Declare.
11725         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
11726         to fold an INDIRECT_REF, fall back to the old use of
11727         fold_indirect_ref_1.
11728
11729 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
11730
11731         * tree-data-ref.c (subscript_dependence_tester_1): Call 
11732         free_conflict_function.
11733         (compute_self_dependence): Same.
11734
11735 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
11736
11737         PR debug/34249
11738         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
11739         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
11740         function global.
11741         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
11742         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
11743         for DWARF2_UNWIND_INFO targets.
11744
11745 2008-01-16  Richard Guenther  <rguenther@suse.de>
11746
11747         PR c/34768
11748         * c-typeck.c (common_pointer_type): Do not merge inconsistent
11749         type qualifiers for function types.
11750
11751 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
11752
11753         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
11754         loop_iterator li from previous commit.
11755
11756 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
11757
11758         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
11759
11760 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
11761
11762         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
11763         (parallelize_loops): Don't parallelize irreducible components.
11764
11765 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11766
11767         PR c++/24924
11768         * c-opts (c_common_post_options): Do not enable CPP
11769         flag_pedantic_errors by default.
11770         
11771 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
11772
11773         PR rtl-optimization/31944
11774         * cse.c (remove_pseudo_from_table): New function.
11775         (merge_equiv_classes): Use above function to remove pseudo-registers.
11776         (invalidate): Likewise.
11777
11778 2008-01-13  Richard Guenther  <rguenther@suse.de>
11779
11780         PR middle-end/34601
11781         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
11782         instead of TYPE_MODE to deal with calls from expand_one_error_var.
11783
11784 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
11785
11786         * gcse.c (cprop_jump): Call validate_unshare_change instead of
11787         validate_change to unshare the source of the PC set.
11788
11789 2008-01-12  Jan Hubicka  <jh@suse.cz>
11790
11791         PR middle-end/32135
11792         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
11793         references above array bounds.  This might trigger bounds checks for
11794         pointers to arrays.
11795
11796 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
11797
11798         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
11799         new_replaceable_dependencies.
11800
11801 2008-01-12  Doug Kwan  <dougkwan@google.com>
11802
11803         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
11804         instead of OPT_Wreturn_type in warning due to ignored return type
11805         qualifiers.
11806         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
11807         options included in -Wextra.
11808         * c.opt: New option -Wignored_qualifiers.
11809         * doc/invoke.texi (Warning Options, -Wextra): Add new option
11810         -Wignore_qualifiers.
11811         (-Wignored-qualifiers): Document.
11812         (-Wreturn-type): Remove description of functionality now handled
11813         by -Wignored-qualifiers.
11814
11815 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
11816
11817         PR ada/33788
11818         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
11819         NOP_EXPR if it is between integral types with the same precision.
11820
11821 2008-01-12  Jan Hubicka  <jh@suse.cz>
11822
11823         PR other/28023
11824         * invoke.texi (max-inline-recursive-depth): Fix default value.
11825
11826 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
11827
11828         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
11829         correct type.
11830
11831 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
11832         
11833         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
11834         
11835 2008-01-11  James E. Wilson  <wilson@specifix.com>
11836
11837         PR target/26015
11838         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
11839
11840 2008-01-11  Anatoly Sokolov <aesok@post.ru>
11841
11842         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't 
11843         save/restore frame pointer register and don't use 'call-prologues' 
11844         optimization in function with "OS_task" attribute.
11845
11846 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
11847
11848         PR middle-end/31309
11849         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
11850         when copying to memory.
11851
11852 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
11853
11854         PR rtl-optimization/30905
11855         * cfgcleanup.c: Include dce.h
11856         (crossjumps_occured): New global variable.
11857         (try_crossjump_bb): Exit loop after finding a fallthru edge.
11858         If something changed, set crossjumps_occured to true.
11859         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
11860         Don't add/remove fake edges to exit here...
11861         (cleanup_cfg): ...but do it here, when crossjumping.
11862         Run a fast DCE when successful crossjumps occured in the latest
11863         iteration of try_optimize_cfg.
11864
11865 2008-01-11  Richard Guenther  <rguenther@suse.de>
11866
11867         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
11868         (struct vn_unary_op_s): Likewise.
11869         (vn_reference_insert): Free old reference on hash collision.
11870
11871 2008-01-10  Raksit Ashok  <raksit@google.com>
11872
11873         PR rtl-optimization/27971
11874         * combine.c (find_split_point): Split PLUS expressions which are
11875         inside a MEM rtx, and whose first operand is complex.
11876
11877 2008-01-10  DJ Delorie  <dj@redhat.com>
11878
11879         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
11880         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
11881         (m32c_hard_regno_ok): Call the underlying function.
11882
11883 2008-01-10  Richard Guenther  <rguenther@suse.de>
11884
11885         PR middle-end/34683
11886         * tree-cfg.c (tree_merge_blocks): Do not go through the
11887         full-blown folding and stmt updating path if we just deal
11888         with virtual operands.
11889         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
11890         test for abnormal SSA_NAMEs.
11891
11892 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
11893
11894         PR middle-end/34641
11895         * reload.c (push_reload): Add assertions.  All constants from
11896         reg_equiv_constant should have been used for replacing the respective
11897         pseudo earlier.
11898         (find_reloads_address): Invoke find_reloads_address_part for
11899         constant taken from the reg_equiv_constant array.
11900
11901 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
11902
11903         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
11904         field (valnum) the first in the struct.  Replace bools with
11905         unit bit fields.
11906
11907 2008-01-10  Richard Guenther  <rguenther@suse.de>
11908
11909         PR tree-optimization/34651
11910         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
11911         types and ordering for masking and converting.
11912
11913 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
11914
11915         PR tree-optimization/34017
11916         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
11917         also for PHI_NODE expressions.
11918
11919 2008-01-09  Jan Hubicka  <jh@suse.cz>
11920
11921         PR tree-optimization/34708
11922         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
11923         based on number of case labels.
11924         (init_inline_once): Remove switch_cost.
11925         * tree-inline.h (eni_weights_d): Remove switch_cost.
11926
11927 2008-01-09  Richard Guenther  <rguenther@suse.de>
11928         Andrew Pinski  <andrew_pinski@playstation.sony.com>
11929
11930         PR middle-end/30132
11931         * gimplify.c (gimplify_cond_expr): Do not create an addressable
11932         temporary if an rvalue is ok or an lvalue is not required.
11933
11934 2008-01-09  Richard Guenther  <rguenther@suse.de>
11935
11936         PR middle-end/34458
11937         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
11938         adjust return type.
11939
11940 2008-01-09  Richard Guenther  <rguenther@suse.de>
11941
11942         PR middle-end/34679
11943         * tree.c (host_integerp): Check for sizetype only if the
11944         type is an integer type.
11945
11946 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
11947
11948         PR debug/26364
11949         * opts.c (decode_options): Disable inlining of functions called
11950         once if not in unit-at-a-time mode.
11951
11952 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
11953
11954         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
11955
11956 2008-01-08  Richard Guenther  <rguenther@suse.de>
11957
11958         PR middle-end/31863
11959         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
11960         out early if the result will be unused.
11961
11962 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
11963
11964         PR target/34709
11965         Revert:
11966
11967         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
11968         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
11969         for TARGET_RECIP.       
11970         
11971 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
11972         
11973         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
11974         for vectorization tuned.
11975         
11976 2008-01-08  Richard Guenther  <rguenther@suse.de>
11977
11978         PR tree-optimization/34683
11979         * tree-ssa-operands.c (operand_build_cmp): Export.
11980         * tree-ssa-operands.h (operand_build_cmp): Declare.
11981         * tree-vn.c (vuses_compare): Remove.
11982         (sort_vuses): Use operand_build_cmp.
11983         (sort_vuses_heap): Likewise.
11984         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
11985         to re-use old VEC if available.  Do not sort already sorted VUSEs.
11986         (vdefs_to_vec): Do not sort already sorted VDEFs.
11987
11988 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
11989
11990         PR middle-end/34694
11991         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
11992
11993 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
11994
11995         PR target/34702
11996         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
11997         limitations of reciprocal sequences on x86 targets.
11998
11999 2008-01-08  Richard Guenther  <rguenther@suse.de>
12000
12001         PR tree-optimization/34683
12002         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
12003
12004 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
12005
12006         PR target/34622
12007         * config/darwin.c (darwin_mergeable_string_section): Don't use
12008         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
12009
12010 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
12011
12012         PR target/34682
12013         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
12014         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
12015         predicates of op0 and op1 to register_operand.
12016         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
12017         expander using X87MODEF mode iterator.  Change predicates of
12018         op0 and op1 to register_operand.
12019         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
12020         corresponding patterns and macroize using MODEF macro.  Change
12021         predicates of op0 and op1 to register_operand and remove
12022         "m" constraint. Disparage "r" alternative with "!".
12023         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
12024         macroize using X87MODEF macro.  Change predicates of op0 and op1
12025         to register_operand and remove "m" constraint.  Disparage "r"
12026         alternative with "!".
12027         (absneg splitter with memory operands): Remove.
12028         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
12029         patterns and macroize using X87MODEF mode iterator.
12030         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
12031         Change predicate of op1 to register_operand.
12032         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
12033         for memory operands.
12034
12035 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
12036
12037         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
12038
12039 2008-01-07  Richard Guenther  <rguenther@suse.de>
12040
12041         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
12042         fields.
12043
12044 2008-01-07  Richard Guenther  <rguenther@suse.de>
12045
12046         PR tree-optimization/34683
12047         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
12048         VOPs of the needed size to save memory.  Use VEC_quick_push
12049         to save compile-time.
12050         (vdefs_to_vec): Likewise.
12051
12052 2008-01-07  Sa Liu  <saliu@de.ibm.com>
12053
12054         * config/spu/spu.md (divdf3): Genetate inline code for double
12055         division.  The implementation doesn't handle INF or NAN, therefore it
12056         only applies when -ffinite-math-only is given.
12057
12058 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
12059
12060         PR libstdc++/34680
12061         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
12062         * doc/cpp.texi ([Common Predefined Macros]): Document.
12063
12064 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
12065
12066         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
12067         order to use commutative addition instead of subtraction.
12068
12069 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12070             Mircea Namolaru  <namolaru@il.ibm.com>
12071             Vladimir Yanovsky  <yanov@il.ibm.com>
12072             Revital Eres  <eres@il.ibm.com>
12073
12074         PR tree-optimization/34263
12075         * tree-outof-ssa.c (process_single_block_loop_latch,
12076         contains_tree_r): New functions.
12077         (analyze_edges_for_bb): Call process_single_block_loop_latch
12078         function to empty single-basic-block latch block if possible.
12079
12080 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
12081
12082         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
12083         for TARGET_RECIP.
12084         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
12085
12086 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
12087
12088         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
12089
12090 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
12091
12092         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
12093
12094 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
12095
12096         PR tree-optimization/34618
12097         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
12098         flag from T.
12099
12100 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
12101
12102         PR target/34673
12103         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
12104         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
12105         Update copyright year.
12106
12107         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
12108         Update copyright year.
12109         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
12110         using NR fixup.
12111
12112 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
12113
12114         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
12115         edge does not point to current bb before changing need_assert.
12116
12117 2008-01-04  Richard Guenther  <rguenther@suse.de>
12118
12119         PR middle-end/34029
12120         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
12121         for verifying purposes if they are is_gimple_min_invariant.
12122
12123 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
12124
12125         PR tree-optimization/34448
12126         PR tree-optimization/34465
12127         * gimplify.c (gimplify_init_constructor): Add new parameter
12128         notify_temp_creation.  Use it.
12129         (gimplify_modify_expr_rhs): Take volatiles into account when
12130         optimizing constructors.
12131         Do not optimize constructors if gimplify_init_constructor will dump to
12132         memory.
12133         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
12134         * gcc.c-torture/compile/pr34448.c: New.
12135
12136 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
12137
12138         PR gcov-profile/34609
12139         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
12140         return_slot if result is TREE_ADDRESSABLE.
12141
12142 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
12143
12144         * config/mips/mips.md (sqrt_condition): Tweak comment.
12145         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
12146
12147 2008-01-03  Tom Tromey  <tromey@redhat.com>
12148
12149         PR c/34457
12150         * c-common.c (c_type_hash): Handle VLAs.
12151
12152 2008-01-03  Jan Hubicka  <jh@suse.cz>
12153
12154         PR tree-optimization/31081
12155         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
12156         0 when inlining and not inlining to first basic block.
12157         (remap_decl): When var is initialized to 0, don't set default_def.
12158         (expand_call_inline): Set entry_bb.
12159         * tree-inline.h (copy_body_data): Add entry_bb.
12160
12161 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
12162
12163         PR c++/34619
12164         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
12165         before returning.
12166
12167         PR tree-optimization/29484
12168         * tree-inline.c (inline_forbidden_p_2): New function.
12169         (inline_forbidden_p): Disallow inlining if some static var
12170         has an address of a local LABEL_DECL in its initializer.
12171         * doc/extend.texi (Labels as Values): Document &&foo behaviour
12172         vs. inlining.
12173
12174 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
12175
12176         PR tree-optimization/34635
12177         * tree-data-ref.c (add_other_self_distances): Make sure that the
12178         evolution step is constant.
12179
12180 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
12181
12182         PR middle-end/34608
12183         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
12184
12185 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
12186
12187         * tree-sra.c (scalarize_init): Insert the generate_element_init
12188         statements after the generate_element_zero statements.
12189
12190 2008-01-02  Richard Guenther  <rguenther@suse.de>
12191
12192         PR middle-end/34093
12193         PR middle-end/31976
12194         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
12195         for very large number of operands instead of ICEing.
12196
12197 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
12198
12199         PR target/34013
12200         * config/i386/i386.c (ix86_expand_prologue): Save red-zone
12201         while stack probing.
12202
12203 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
12204
12205         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
12206         in C++0x mode.
12207
12208 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
12209
12210         PR libmudflap/26442
12211         * tree-mudflap.c (mx_register_decls): Guard warning by
12212         !DECL_ARTIFICIAL check.
12213
12214 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
12215
12216         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
12217         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
12218         sse5_perm<mode>): Fix constraints.