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1 2008-06-13  Richard Sandiford  <rdsandiford@googlemail.com>
2
3         * config/mips/mips.md: Remove TARGET_DEBUG_D_MODE conditions from
4         splits that must be made for correctness.
5
6 2008-06-13  Richard Sandiford  <rdsandiford@googlemail.com>
7
8         * config/mips/mips.c (BUILTIN_AVAIL_NON_MIPS16): New macro.
9         (AVAIL_NON_MIPS16): Likewise.
10         (mips_builtin_description): Replace target_flags with a predicate.
11         (paired_single, sb1_paired_single, mips3d, dsp, dspr2, dsp_32)
12         (dspr2_32): New availability predicates.
13         (MIPS_BUILTIN): New macro.
14         (DIRECT_BUILTIN, CMP_SCALAR_BUILTINS, CMP_PS_BUILTINS)
15         (CMP_4S_BUILTINS, MOVTF_BUILTINS, CMP_BUILTINS)
16         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): Use it.
17         Replace the TARGET_FLAGS parameters with AVAIL parameters.
18         (mips_ps_bdesc, mips_sb1_bdesc, mips_dsp_bdesc)
19         (mips_dsp_32only_bdesc): Merge into...
20         (mips_builtins): ...this new array.
21         (mips_bdesc_map, mips_bdesc_arrays): Delete.
22         (mips_init_builtins): Update after above changes.
23         (mips_expand_builtin_1): Merge into...
24         (mips_expand_builtin): ...here and update after above changes.
25
26 2008-06-12  Paul Brook  <paul@codesourcery.com>
27
28         * longlong.h (__arm__): Define count_leading_zeros.
29         * config/arm/lib1funcs.asm (xxh, xxl, yyh, yyl): Define.
30         (clzsi2, clzdi2): New functions.
31         * config/arm/bpabi-v6m.S (xxh, xxl, yyh, yyl): Remove.
32         * config/arm/bpabi.S (xxh, xxl, yyh, yyl): Remove.
33         * config/arm/t-strongarm-elf (LIB1ASMFUNCS): Ditto.
34         * config/arm/t-vxworks (LIB1ASMFUNCS): Ditto.
35         * config/arm/t-pe (LIB1ASMFUNCS): Ditto.
36         * config/arm/t-arm-elf (LIB1ASMFUNCS): Ditto.
37         * config/arm/t-arm-coff (LIB1ASMFUNCS): Ditto.
38         * config/arm/t-linux (LIB1ASMFUNCS): Ditto.
39         * config/arm/t-symbian (LIB1ASMFUNCS): Ditto.
40         * config/arm/t-wince-pe (LIB1ASMFUNCS): Ditto.
41
42 2008-06-12  Kazu Hirata  <kazu@codesourcery.com>
43
44         * config/m68k/m68k.c (m68k_tune_flags): New.
45         (override_options): Compute m68k_tune_flags.
46         (MULL_COST, MULW_COST): Update for various variants of CFV2.
47         * config/m68k/m68k.h (TUNE_MAC, TUNE_EMAC): New.
48
49 2008-06-12  Jakub Jelinek  <jakub@redhat.com>
50
51         PR middle-end/36506
52         * omp-low.c (expand_omp_sections): Initialize l2 to avoid bogus
53         warning.
54
55 2008-06-12  Eric Botcazou  <ebotcazou@adacore.com>
56
57         * tree-inline.c (copy_body_r): Copy TREE_SIDE_EFFECTS along with
58         TREE_THIS_VOLATILE on INDIRECT_REF nodes.
59
60 2008-06-12  Eric Botcazou  <ebotcazou@adacore.com>
61
62         * expr.c (store_field): Do a block copy from BLKmode to BLKmode-like.
63         (get_inner_reference): Use BLKmode for byte-aligned BLKmode bitfields.
64
65 2008-06-12  Jakub Jelinek  <jakub@redhat.com>
66
67         PR middle-end/36506
68         * omp-low.c (expand_omp_sections): Handle #pragma omp sections with
69         reductions.
70
71 2008-06-12  Richard Guenther  <rguenther@suse.de>
72
73         PR tree-optimization/36345
74         * tree-flow.h (struct ptr_info_def): Align escape_mask,
75         add memory_tag_needed flag.
76         (may_alias_p): Declare.
77         * tree-ssa-alias.c (may_alias_p): Export.
78         (set_initial_properties): Use memory_tag_needed flag.
79         (update_reference_counts): Likewise.
80         (reset_alias_info): Reset memory_tag_needed flag.
81         (create_name_tags): Check memory_tag_needed flag.
82         (dump_points_to_info_for): Dump it.
83         * tree-ssa-structalias.c (struct variable_info): Remove
84         directly_dereferenced flag.
85         (new_var_info): Do not initialize it.
86         (process_constraint_1): Do not set it.
87         (update_alias_info): Set is_dereferenced flag.
88         (set_uids_in_ptset): Use may_alias_p.
89         (set_used_smts): Check memory_tag_needed flag.
90         (find_what_p_points_to): Likewise.  Pass is_dereferenced flag.
91         * tree-ssa-alias.c (verify_flow_sensitive_alias_info): Check
92         memory_tag_needed flag.
93         * tree-ssa-alias-warnings.c (dsa_named_for): Try to recover
94         from broken design.
95
96 2008-06-12  Kai Tietz  <kai.tietz@onevision.com>
97
98         * config/i386/i386.c (ix86_compute_frame_layout): Disable red zone for
99         w64 abi.
100         (ix86_expand_prologue): Likewise.
101         (ix86_force_to_memory): Likewise.
102         (ix86_free_from_memory): Likewise.
103
104 2008-06-11  Edmar Wienskoski  <edmar@freescale.com>
105
106         PR target/36425
107         * config/rs6000/rs6000.c (rs6000_override_options): Set
108         rs6000_isel conditionally to the absence of comand line
109         override.
110         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
111         Remove duplicate rs6000_isel setting.
112         * config/rs6000/eabispe.h: Ditto.
113
114 2008-06-11  Richard Guenther  <rguenther@suse.de>
115
116         * alias.c (get_alias_set): Use the element alias-set for arrays.
117         (record_component_aliases): For arrays and vectors do nothing.
118         * c-common.c (strict_aliasing_warning): Handle the cases
119         of alias set zero explicitly.
120         * Makefile.in (dfp.o-warn): Add -Wno-error.
121
122 2008-06-11  Joseph Myers  <joseph@codesourcery.com>
123
124         * config.gcc (all_defaults): Add arch_32 arch_64 cpu_32 cpu_64
125         tune_32 tune_64.
126         (i[34567]86-*-* | x86_64-*-*): Add arch_32 arch_64 cpu_32 cpu_64
127         tune_32 tune_64 to supported_defaults.  Allow values not
128         supporting 64-bit mode for arch_32, cpu_32 and tune_32 for
129         x86_64.  Do not override cpu_32 or cpu_64 values from target name.
130         (i[34567]86-*-linux*, i[34567]86-*-solaris2.1[0-9]*): Only default
131         with_cpu_64 to generic for 64-bit-supporting configurations, not
132         with_cpu.  Remove FIXMEs.
133         * doc/install.texi (--with-cpu-32, --with-cpu-64, --with-arch-32,
134         --with-arch-64, --with-tune-32, --with-tune-64): Document.
135         * config/i386/i386.h (OPT_ARCH32, OPT_ARCH64): Define.
136         (OPTION_DEFAULT_SPECS): Add tune_32, tune_64, cpu_32, cpu_64,
137         arch_32 and arch_64.
138
139 2008-06-11  Eric Botcazou  <ebotcazou@adacore.com>
140             Olivier Hainque  <hainque@adacore.com>
141
142         * builtins.c (get_memory_rtx): Accept byte-addressable bitfields.
143         Use DECL_SIZE_UNIT to retrieve the size of the field.
144
145 2008-06-11  Joseph Myers  <joseph@codesourcery.com>
146
147         * config/arm/arm.c (arm_init_neon_builtins): Move initialization
148         with function calls after declarations.  Lay out
149         neon_float_type_node before further use.
150
151 2008-06-11  Richard Guenther  <rguenther@suse.de>
152
153         * tree-flow.h (may_point_to_global_var): Declare.
154         * tree-ssa-alias.c (may_point_to_global_var): New function.
155         * tree-ssa-sink.c (is_hidden_global_store): Use it.
156
157 2008-06-10  Kazu Hirata  <kazu@codesourcery.com>
158
159         * configure.ac: Teach that fido supports .debug_line.
160         * configure: Regenerate.
161
162 2008-06-10  Tom Tromey  <tromey@redhat.com>
163
164         * c-lex.c (fe_file_change): Pass SOURCE_LINE to start_source_file
165         debug hook.
166
167 2008-06-10  Joseph Myers  <joseph@codesourcery.com>
168
169         * dfp.c (WORDS_BIGENDIAN): Define to 0 if not defined.
170         (encode_decimal64, decode_decimal64, encode_decimal128,
171         decode_decimal128): Reverse order of 32-bit parts of value if host
172         and target endianness differ.
173
174 2008-06-10  Vinodha Ramasamy  <vinodha@google.com>
175         * value_prob.c (tree_divmod_fixed_value_transform): Use gcov_type.
176         Avoid division by 0.
177         (tree_mod_pow2_value_transform): Likewise.
178         (tree_ic_transform): Likewise.
179         (tree_stringops_transform): Likewise.
180         (tree_mod_subtract_transform): Likewise.
181         * tree-inline-c (copy_bb): Corrected int type to gcov_type.
182         (copy_edges_for_bb): Likewise.
183         (initialize_cfun): Likewise.
184
185 2008-06-10  Uros Bizjak  <ubizjak@gmail.com>
186
187         * config/i386/i386.md (*btdi_rex64): Change operand 1 predicate to
188         nonmemory_operand. Add "N" operand constraint.
189         (*btsi): Ditto.
190         (*jcc_btdi_mask_rex64): New instruction and split pattern.
191         (*jcc_btsi_mask): Ditto.
192         (*jcc_btsi_mask_1): Ditto.
193
194 2008-06-10  Joseph Myers  <joseph@codesourcery.com>
195
196         * config/rs6000/rs6000.c (build_opaque_vector_type): Set
197         TYPE_CANONICAL for copied element type.
198
199 2008-06-10  Uros Bizjak  <ubizjak@gmail.com>
200
201         PR target/36473
202         * config/i386/i386.c (ix86_tune_features) [TUNE_USE_BT]:
203         Add m_CORE2 and m_GENERIC.
204         * config/i386/predicates.md (bt_comparison_operator): New predicate.
205         * config/i386/i386.md (*btdi_rex64): New instruction pattern.
206         (*btsi): Ditto.
207         (*jcc_btdi_rex64): New instruction and split pattern.
208         (*jcc_btsi): Ditto.
209         (*jcc_btsi_1): Ditto.
210         (*btsq): Fix Intel asm dialect operand order.
211         (*btrq): Ditto.
212         (*btcq): Ditto.
213
214 2008-06-09  Andy Hutchinson  <hutchinsonandy@aim.com>
215
216         PR middle-end/36447
217         * simplify-rtx.c (simplify_subreg): Add check for shift count 
218         greater than size.
219
220 2008-06-09  Richard Sandiford  <rdsandiford@googlemail.com>
221
222         * doc/md.texi: Synchronize with later constraints.md change.
223         * longlong.h (umul_ppmm): Replace the MIPS asm implementation
224         with a C implementation.
225         * config/mips/mips.c (mips_legitimize_move): Remove MFHI and
226         MFLO handling.
227         (mips_subword): Assume TImode for CONST_INTs if TARGET_64BIT.
228         (mips_split_doubleword_move): Use special MTHI and MFHI instructions
229         when moving to and from MD_REGNUM.
230         (mips_output_move): Don't handle moves from GPRs to HI_REGNUM.
231         Handle moves from LO_REGNUM to GPRs using MFLO, MACC or DMACC.
232         Handle byte and halfword moves.
233         (mips_hard_regno_mode_ok_p): Handle MD_REGS and DSP_ACC_REGS
234         separately.
235         * config/mips/constraints.md (h): Turn into NO_REGS.
236         (l, x): Update documentation.
237         * config/mips/mips.md (UNSPEC_MFHILO): Delete.
238         (UNSPEC_MFHI, UNSPEC_MTHI, UNSPEC_SET_HILO): New.
239         (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): Renumber.
240         (HILO): New mode iterator.
241         (MOVE128): Add TI.
242         (any_div): New code iterator.
243         (u): Extend code attribute to div and udiv.
244         (*add<mode>3_mips16, *movdi_64bit_mips16, *movsi_mips16): Use
245         d_operand in the splitters.  Remove redundant CONST_INT checks.
246         (mulsi3_mult3, mul<mode>3_internal, mul<mode>3_r4000, *mul_acc_si)
247         (*macc, *msac, *msac_using_macc, *macc2, *msac2, *mul_sub_si)
248         (*muls): Remove "=h" clobbers.  Adjust peephole2s and define_splits
249         accordingly, using normal moves instead of unspecs to move LO into
250         a GPR.  Use d_operand and lo_operand instead of *_REG_P checks.
251         (<u>mulsidi3): Handle expansion in C code.
252         (<u>mulsidi3_32bit_internal): Rename to...
253         (<u>mulsidi3_32bit): ...this.
254         (<u>mulsidi3_32bit_r4000): Fix insn separator.
255         (*<u>mulsidi3_64bit): Rename to...
256         (<u>mulsidi3_64bit): ...this.  Combine DImode "=h" and "=l" clobbers
257         into a TImode "=x" clobber.  In the split, use an UNSPEC_SET_HILO
258         to set LO and HI to the multiplication result.  Use a normal move
259         for MFLO and an unspec for MFHI.
260         (*<u>mulsidi3_64bit_parts): Replace with...
261         (<u>mulsidi3_64bit_hilo): ...this new instruction.
262         (<su>mulsi3_highpart): Extend to TARGET_FIX_R4000.
263         (<su>mulsi3_highpart_internal): Turn into a define_insn_and_split
264         and extend it to TARGET_FIX_R4000.  Store the destination in a GPR
265         instead of HI.  Split the instruction into a separate multiplication
266         and MFHI if !TARGET_FIX_R4000.
267         (<su>muldi3_highpart): Likewise.
268         (<su>mulsi3_highpart_mulhi_internal): Remove the first alternative
269         and the "=h" clobber.
270         (*<su>mulsi3_highpart_neg_mulhi_internal): Likewise.
271         (<u>mulditi3): New expander.
272         (<u>mulditi3_internal, <u>mulditi3_r4000): New patterns.
273         (madsi): Remove "=h" clobber.
274         (divmod<mode>4, udivmod<mode>4): Turn into define_insn_and_splits.
275         Force the modulus result to be a GPR and split the instruction into
276         a division followed by an MFHI after reload.
277         (<u>divmod<GPR:mode>4_hilo_<HILO:mode>): New instruction.
278         (*lea_high64): Use d_operand in the define_peephole2.  Likewise
279         the MIPS16 HIGH define_split.
280         (*movdi_32bit, *movdi_gp32_fp64, *movdi_32bit_mips16): Change type
281         of acc<->gpr moves to "multi".
282         (*movdi_64bit): Replace the single "x" alternative with
283         alternatives for moving into and out of "a".
284         (*movhi_internal, *movqi_internal): Likewise.  Use mips_output_move.
285         (*movsi_internal): Extend the "d<-A" alternative to "d<-a".
286         (*movdi_64bit_mips16, *movsi_mips16): Add d<-a alternatives.
287         Use d_operand in the splitters.  Remove redundant CONST_INT checks.
288         (*movhi_mips16, *movqi_mips16): Likewise.  Use mips_output_move.
289         (movti): New expander.
290         (*movti, *movti_mips16): New insns.
291         (mfhilo_<mode>, *mfhilo_<mode>, *mfhilo_<mode>_macc): Delete.
292         (mfhi<GPR:mode>_<HILO:mode>): New pattern.
293         (mthi<GPR:mode>_<HILO:mode>): Likewise.
294         * config/mips/predicates.md (fpr_operand): Delete.
295         (d_operand): New predicate.
296
297 2008-06-09  Michael Meissner  <michael.meissner@amd.com>
298
299         * config.gcc (i[34567]86-*-*): Put test in quotes to prevent
300         failure on some Bourne shells.
301         (x86_64-*-*): Ditto.
302
303 2008-06-09  Kai Tietz  <kai.tietz@onevision.com>
304
305         * config/i386/cygming.h (TARGET_SUBTARGET64_DEFAULT): New.
306
307 2008-06-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
308
309         * doc/install.texi (*-*-solaris2*): Remove obsolete contents.
310         (sparc-sun-solaris2*): Likewise.
311
312 2008-06-09  Arnaud Charlet  <charlet@adacore.com
313
314         * doc/install.texi: Update requirements to build the Ada compiler.
315
316 2008-06-08  Steven Bosscher  <stevenb.gcc@gmail.com>
317
318         * df-scan.c (struct df_scan_problem_data): Remove the
319         mw_link_pool alloc pool.
320         (df_scan_free_internal): Don't free it.
321         (df_scan_alloc): Don't allocate it.
322         * df.h (struct df_link): Update comment.
323
324 2008-06-08  Nathan Sidwell  <nathan@codesourcery.com>
325
326         * except.h: Correct checks for when SJLJ exceptions must be used.
327
328 2008-06-08  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
329
330         * doc/invoke.texi (Wenum-compare): Mention that it is enabled by
331         default.
332         
333 2008-06-08  Joseph Myers  <joseph@codesourcery.com>
334
335         PR tree-optimization/36218
336         * configure.ac: Use LDFLAGS="${LDFLAGS_FOR_BUILD}" when running
337         configure for the build system.
338         (BUILD_LDFLAGS): Define.
339         * configure: Regenerate.
340         * Makefile.in (BUILD_LDFLAGS): Define to @BUILD_LDFLAGS@.
341
342 2008-07-08  Anatoly Sokolov  <aesok@post.ru>
343
344         PR target/36424
345         * config/avr/avr.h (HARD_REGNO_RENAME_OK): Define.
346         * config/avr/avr.c (avr_hard_regno_rename_ok): New function. 
347         * config/avr/avr-protos.h (avr_hard_regno_rename_ok): New prototype. 
348
349 2008-06-07  Danny Smith  <dannysmith@users.sourceforge.net>
350
351         * config/i386/cygming.h (MAYBE_UWIN_CPP_BUILTINS): Remove.
352
353 2008-06-07  Joseph Myers  <joseph@codesourcery.com>
354
355         * config.gcc (Obsolete configurations): Remove list of
356         configurations.
357         (Unsupported targets list): Add *-*-linux*aout*, *-*-linux*libc1*,
358         *-*-solaris2.[0-6], *-*-solaris2.[0-6].*, *-*-sysv*.  Remove other
359         targets matched by those patterns.
360         (strongarm*-*-*, ep9312*-*-*, xscale-*-*, parisc*-*-*,
361         m680[012]0-*-*, *-*-linux*libc1*, *-*-linux*aout*,
362         alpha*-*-unicosmk*, strongarm*-*-freebsd*, ep9312-*-elf,
363         arm*-*-kaos*, cris-*-aout, parisc*64*-*-linux*, parisc*-*-linux*,
364         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
365         i[34567]86-sequent-ptx4*, i[34567]86-sequent-sysv4*,
366         i[34567]86-*-beoself*, i[34567]86-*-beos*, i[34567]86-*-sco3.2v5*,
367         i[34567]86-*-sysv5*, i[34567]86-*-sysv4*, i[34567]86-*-uwin*,
368         i[34567]86-*-kaos*, m68020-*-elf*, m68010-*-netbsdelf*,
369         mips-wrs-windiss, mt-*-elf, powerpc-*-beos*, powerpc-*-chorusos*,
370         powerpc-wrs-windiss*, powerpcle-*-sysv*, powerpc-*-kaos*,
371         powerpcle-*-kaos*, sh*-*-kaos*, sparc-*-sysv4*, strongarm-*-elf*,
372         strongarm-*-pe, strongarm-*-kaos*, vax-*-bsd*, vax-*-sysv*,
373         vax-*-ultrix*, xscale-*-elf, xscale-*-coff,
374         i[34567]86-*-linux*aout*, i[34567]86-*-linux*libc1): Remove.
375         Make code for Solaris 7 and greater unconditional for Solaris.
376         (ep9312-*-*, parisc1*, m680[012]0-*-*, parisc*-*-*, mt-*-*):
377         Remove --with-* handling.
378         * config/rs6000/sysv4.h (-mwindiss): Remove from all specs.
379         (LIB_WINDISS_SPEC, CPP_OS_WINDISS_SPEC, STARTFILE_WINDISS_SPEC,
380         ENDFILE_WINDISS_SPEC, LINK_START_WINDISS_SPEC,
381         LINK_OS_WINDISS_SPEC): Remove.
382         * config/rs6000/sysv4.opt (mwindiss): Remove.
383         * configure.ac (strongarm*-*-*, xscale*-*-*): Remove.
384         * configure: Regenerate.
385         * doc/cpp.texi: Don't mention BeOS.
386         * doc/extend.texi (interrupt): Don't mention MS1.
387         * doc/install.texi: (i386-@var{any}-sysv, m68k-bull-sysv,
388         m68k-hp-hpux, m68000-hp-hpux, m68000-att-sysv,
389         alphaev5-cray-unicosmk*, xscale-*-*, i?86-*-linux*aout,
390         i?86-*-sco3.2v5*, i?86-*-udk, m68k-hp-hpux, powerpc-*-sysv4,
391         powerpc-*-sysv4, powerpcle-*-sysv4, *-*-sysv*, vax-dec-ultrix):
392         Remove.
393         * doc/invoke.texi (MT Options): Remove.
394         (-mwindiss): Remove.
395         (CRIS Options): Remove cris-axis-aout references.
396         (HPPA Options): Don't mention hppa1.1-*-pro.
397         * doc/md.texi: (MorphoTech family): Remove.
398         * libgcc2.c: Don't handle UWIN.
399         * config/alpha/t-unicosmk: Remove.
400         * config/alpha/unicosmk.h: Remove.
401         * config/arm/kaos-arm.h: Remove.
402         * config/arm/kaos-strongarm.h: Remove.
403         * config/arm/strongarm-coff.h: Remove.
404         * config/arm/strongarm-elf.h: Remove.
405         * config/arm/strongarm-pe.h: Remove.
406         * config/arm/t-strongarm-pe: Remove.
407         * config/arm/t-xscale-coff: Remove.
408         * config/arm/t-xscale-elf: Remove.
409         * config/arm/xscale-coff.h: Remove.
410         * config/arm/xscale-elf.h: Remove.
411         * config/chorus.h: Remove.
412         * config/cris/aout.h: Remove.
413         * config/cris/aout.opt: Remove.
414         * config/cris/t-aout: Remove.
415         * config/i386/beos-elf.h: Remove.
416         * config/i386/kaos-i386.h: Remove.
417         * config/i386/ptx4-i.h: Remove.
418         * config/i386/sco5.h: Remove.
419         * config/i386/sco5.opt: Remove.
420         * config/i386/sysv4-cpp.h: Remove.
421         * config/i386/sysv5.h: Remove.
422         * config/i386/t-beos: Remove.
423         * config/i386/t-sco5: Remove.
424         * config/i386/t-uwin: Remove.
425         * config/i386/uwin.asm: Remove.
426         * config/i386/uwin.h: Remove.
427         * config/kaos.h: Remove.
428         * config/mips/windiss.h: Remove.
429         * config/mt: Remove directory.
430         * config/pa/pa-osf.h: Remove.
431         * config/pa/pa-pro-end.h: Remove.
432         * config/pa/t-pro: Remove.
433         * config/ptx4.h: Remove.
434         * config/rs6000/beos.h: Remove.
435         * config/rs6000/kaos-ppc.h: Remove.
436         * config/rs6000/t-beos: Remove.
437         * config/rs6000/windiss.h: Remove.
438         * config/sh/kaos-sh.h: Remove.
439         * config/sol2-6.h: Remove.
440         * config/sparc/sol26-sld.h: Remove.
441         * config/sparc/sysv4-only.h: Remove.
442         * config/vax/bsd.h: Remove.
443         * config/vax/t-memfuncs: Remove.
444         * config/vax/ultrix.h: Remove.
445         * config/vax/vaxv.h: Remove.
446         * config/windiss.h: Remove.
447
448 2008-06-06 Uros Bizjak <ubizjak@gmail.com>
449
450         PR rtl-optimization/36438
451         * cse.c (fold_rtx) [ASHIFT, LSHIFTRT, ASHIFTRT]: Break out early
452         for vector shifts with constant scalar shift operands.
453
454 2008-06-06  Sandip Matte  <sandip@rmicorp.com>
455
456         * doc/invoke.texi: Document -march=xlr.
457         * config/mips/xlr.md: New file.
458         * config/mips/mips.md: Include it.
459         (cpu): Add "xlr".
460         * config/mips/mips.h (PROCESSOR_XLR): New processor_type.
461         * config/mips/mips.c (mips_cpu_info_table): Add an XLR entry.
462         (mips_rtx_cost_data): Likewise.
463
464 2008-06-06  Nathan Froyd  <froydnj@codesourcery.com>
465
466         * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Remove
467         PRE_INC and PRE_DEC cases.
468
469 2008-06-06  Jakub Jelinek  <jakub@redhat.com>
470
471         PR rtl-optimization/36419
472         * except.c (expand_resx_expr): Call do_pending_stack_adjust () before
473         the emitting jump insn.
474
475         PR target/36362
476         * gimplify.c (gimplify_expr) <case TRUTH_NOT_EXPR>: If *expr_p type
477         is not bool, boolify the whole *expr_p and convert to the desired type.
478
479 2008-06-06  Jakub Jelinek  <jakub@redhat.com>
480
481         * c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805.
482         * langhooks.h (struct lang_hooks_for_decls): Add omp_finish_clause.
483         Add omp_private_outer_ref hook, add another argument to
484         omp_clause_default_ctor hook.
485         * langhooks-def.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define.
486         (LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define.
487         (LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR): Change to
488         hook_tree_tree_tree_tree_null.
489         (LANG_HOOKS_DECLS): Add LANG_HOOKS_OMP_FINISH_CLAUSE and
490         LANG_HOOKS_OMP_PRIVATE_OUTER_REF.
491         * hooks.c (hook_tree_tree_tree_tree_null): New function.
492         * hooks.h (hook_tree_tree_tree_tree_null): New prototype.
493         * tree.def (OMP_TASK): New tree code.
494         * tree.h (OMP_TASK_COPYFN, OMP_TASK_ARG_SIZE, OMP_TASK_ARG_ALIGN,
495         OMP_CLAUSE_PRIVATE_OUTER_REF, OMP_CLAUSE_LASTPRIVATE_STMT,
496         OMP_CLAUSE_COLLAPSE_ITERVAR, OMP_CLAUSE_COLLAPSE_COUNT,
497         OMP_TASKREG_CHECK, OMP_TASKREG_BODY, OMP_TASKREG_CLAUSES,
498         OMP_TASKREG_FN, OMP_TASKREG_DATA_ARG, OMP_TASK_BODY,
499         OMP_TASK_CLAUSES, OMP_TASK_FN, OMP_TASK_DATA_ARG,
500         OMP_CLAUSE_COLLAPSE_EXPR): Define.
501         (enum omp_clause_default_kind): Add OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.
502         (OMP_DIRECTIVE_P): Add OMP_TASK.
503         (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): New clause codes.
504         (OMP_CLAUSE_SCHEDULE_AUTO): New schedule kind.
505         * tree.c (omp_clause_code_name): Add OMP_CLAUSE_COLLAPSE
506         and OMP_CLAUSE_UNTIED entries.
507         (omp_clause_num_ops): Likewise.  Increase OMP_CLAUSE_LASTPRIVATE
508         num_ops to 2.
509         (walk_tree_1): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
510         Walk OMP_CLAUSE_LASTPRIVATE_STMT.
511         * tree-pretty-print.c (dump_omp_clause): Handle
512         OMP_CLAUSE_SCHEDULE_AUTO, OMP_CLAUSE_UNTIED, OMP_CLAUSE_COLLAPSE,
513         OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.
514         (dump_generic_node): Handle OMP_TASK and collapsed OMP_FOR loops.
515         * c-omp.c (c_finish_omp_for): Allow pointer iterators.  Remove
516         warning about unsigned iterators.  Change decl/init/cond/incr
517         arguments to TREE_VECs, check arguments for all collapsed loops.
518         (c_finish_omp_taskwait): New function.
519         (c_split_parallel_clauses): Put OMP_CLAUSE_COLLAPSE clause to
520         ws_clauses.
521         * c-parser.c (c_parser_omp_for_loop): Parse collapsed loops.  Call
522         default_function_array_conversion on init.  Add par_clauses argument.
523         If decl is present in parallel's lastprivate clause, change it to
524         shared and add lastprivate clause for decl to OMP_FOR_CLAUSES.
525         Add clauses argument, on success set OMP_FOR_CLAUSES to it.  Look up
526         collapse count in clauses.
527         (c_parser_omp_for, c_parser_omp_parallel): Adjust
528         c_parser_omp_for_loop callers.
529         (OMP_FOR_CLAUSE_MASK): Add 1 << PRAGMA_OMP_CLAUSE_COLLAPSE.
530         (c_parser_pragma): Handle PRAGMA_OMP_TASKWAIT.
531         (c_parser_omp_clause_name): Handle collapse and untied clauses.
532         (c_parser_omp_clause_collapse, c_parser_omp_clause_untied): New
533         functions.
534         (c_parser_omp_clause_schedule): Handle schedule(auto).
535         Include correct location in the error message.
536         (c_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE
537         and PRAGMA_OMP_CLAUSE_UNTIED.
538         (OMP_TASK_CLAUSE_MASK): Define.
539         (c_parser_omp_task, c_parser_omp_taskwait): New functions.
540         (c_parser_omp_construct): Handle PRAGMA_OMP_TASK.
541         * tree-nested.c (convert_nonlocal_omp_clauses,
542         convert_local_omp_clauses): Handle OMP_CLAUSE_LASTPRIVATE_STMT,
543         OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE,
544         OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
545         Don't handle TREE_STATIC or DECL_EXTERNAL VAR_DECLs in
546         OMP_CLAUSE_DECL.
547         (conver_nonlocal_reference, convert_local_reference,
548         convert_call_expr): Handle OMP_TASK the same as OMP_PARALLEL.  Use
549         OMP_TASKREG_* macros rather than OMP_PARALLEL_*.
550         (walk_omp_for): Adjust for OMP_FOR_{INIT,COND,INCR} changes.
551         * tree-gimple.c (is_gimple_stmt): Handle OMP_TASK.
552         * c-tree.h (c_begin_omp_task, c_finish_omp_task): New prototypes.
553         * c-pragma.h (PRAGMA_OMP_TASK, PRAGMA_OMP_TASKWAIT): New.
554         (PRAGMA_OMP_CLAUSE_COLLAPSE, PRAGMA_OMP_CLAUSE_UNTIED): New.
555         * c-typeck.c (c_begin_omp_task, c_finish_omp_task): New functions.
556         (c_finish_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and
557         OMP_CLAUSE_UNTIED.
558         * c-pragma.c (init_pragma): Init omp task and omp taskwait pragmas.
559         * c-common.h (c_finish_omp_taskwait): New prototype.
560         * gimple-low.c (lower_stmt): Handle OMP_TASK.
561         * tree-parloops.c (create_parallel_loop): Create 1 entry
562         vectors for OMP_FOR_{INIT,COND,INCR}.
563         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
564         (make_edges): Handle OMP_TASK.
565         * tree-ssa-operands.c (get_expr_operands): Handle collapsed OMP_FOR
566         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
567         * tree-inline.c (estimate_num_insns_1): Handle OMP_TASK.
568         * builtin-types.def (BT_PTR_ULONGLONG, BT_PTR_FN_VOID_PTR_PTR,
569         BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR,
570         BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR,
571         BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR,
572         BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New.
573         * omp-builtins.def (BUILT_IN_GOMP_TASK, BUILT_IN_GOMP_TASKWAIT,
574         BUILT_IN_GOMP_LOOP_ULL_STATIC_START,
575         BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_START,
576         BUILT_IN_GOMP_LOOP_ULL_GUIDED_START,
577         BUILT_IN_GOMP_LOOP_ULL_RUNTIME_START,
578         BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_START,
579         BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_START,
580         BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_START,
581         BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_START,
582         BUILT_IN_GOMP_LOOP_ULL_STATIC_NEXT,
583         BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_NEXT,
584         BUILT_IN_GOMP_LOOP_ULL_GUIDED_NEXT,
585         BUILT_IN_GOMP_LOOP_ULL_RUNTIME_NEXT,
586         BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_NEXT,
587         BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_NEXT,
588         BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_NEXT,
589         BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_NEXT): New builtins.
590         * gimplify.c (gimplify_omp_for): Allow pointer type for decl,
591         handle POINTER_PLUS_EXPR.  If loop counter has been replaced and
592         original iterator is present in lastprivate clause or if
593         collapse > 1, set OMP_CLAUSE_LASTPRIVATE_STMT.  Handle collapsed
594         OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
595         (gimplify_expr): Handle OMP_SECTIONS_SWITCH and OMP_TASK.
596         (enum gimplify_omp_var_data): Add GOVD_PRIVATE_OUTER_REF.
597         (omp_notice_variable): Set GOVD_PRIVATE_OUTER_REF if needed,
598         if it is set, lookup var in outer contexts too.  Handle
599         OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.  Handle vars that are supposed
600         to be implicitly determined firstprivate for task regions.
601         (gimplify_scan_omp_clauses): Set GOVD_PRIVATE_OUTER_REF if needed,
602         if it is set, lookup var in outer contexts too.  Set
603         OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set.
604         Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE and
605         OMP_CLAUSE_UNTIED.  Take region_type as last argument
606         instead of in_parallel and in_combined_parallel.
607         (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
608         Adjust callers.
609         (gimplify_adjust_omp_clauses_1): Set OMP_CLAUSE_PRIVATE_OUTER_REF if
610         GOVD_PRIVATE_OUTER_REF is set.  Call omp_finish_clause langhook.
611         (new_omp_context): Set default_kind to
612         OMP_CLAUSE_DEFAULT_UNSPECIFIED for OMP_TASK regions.
613         (omp_region_type): New enum.
614         (struct gimplify_omp_ctx): Remove is_parallel and is_combined_parallel
615         fields, add region_type.
616         (new_omp_context): Take region_type as argument instead of is_parallel
617         and is_combined_parallel.
618         (gimple_add_tmp_var, omp_firstprivatize_variable, omp_notice_variable,
619         omp_is_private, omp_check_private): Adjust ctx->is_parallel and
620         ctx->is_combined_parallel checks.
621         (gimplify_omp_task): New function.
622         (gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and
623         OMP_CLAUSE_UNTIED.
624         * omp-low.c (extract_omp_for_data): Use schedule(static)
625         for schedule(auto).  Handle pointer and unsigned iterators.
626         Compute fd->iter_type.  Handle POINTER_PLUS_EXPR increments.
627         Add loops argument.  Extract data for collapsed OMP_FOR loops.
628         (expand_parallel_call): Assert sched_kind isn't auto,
629         map runtime schedule to index 3.
630         (struct omp_for_data_loop): New type.
631         (struct omp_for_data): Remove v, n1, n2, step, cond_code fields.
632         Add loop, loops, collapse and iter_type fields.
633         (workshare_safe_to_combine_p): Disallow combined for if
634         iter_type is unsigned long long.  Don't combine collapse > 1 loops
635         unless all bounds and steps are constant.  Adjust extract_omp_for_data
636         caller.
637         (expand_omp_for_generic): Handle pointer, unsigned and long long
638         iterators.  Handle collapsed OMP_FOR loops.  Adjust
639         for struct omp_for_data changes.  If libgomp function doesn't return
640         boolean_type_node, add comparison of the return value with 0.
641         (expand_omp_for_static_nochunk, expand_omp_for_static_chunk): Handle
642         pointer, unsigned and long long iterators.  Adjust for struct
643         omp_for_data changes.
644         (expand_omp_for): Assert sched_kind isn't auto, map runtime schedule
645         to index 3.  Use GOMP_loop_ull*{start,next} if iter_type is
646         unsigned long long.  Allocate loops array, pass it to
647         extract_omp_for_data.  For collapse > 1 loops use always
648         expand_omp_for_generic.
649         (omp_context): Add sfield_map and srecord_type fields.
650         (is_task_ctx, lookup_sfield): New functions.
651         (use_pointer_for_field): Use is_task_ctx helper.  Change first
652         argument's type from const_tree to tree.  Clarify comment.
653         In OMP_TASK disallow copy-in/out sharing.
654         (build_sender_ref): Call lookup_sfield instead of lookup_field.
655         (install_var_field): Add mask argument.  Populate both record_type
656         and srecord_type if needed.
657         (delete_omp_context): Destroy sfield_map, clear DECL_ABSTRACT_ORIGIN
658         in srecord_type.
659         (fixup_child_record_type): Also remap FIELD_DECL's DECL_SIZE{,_UNIT}
660         and DECL_FIELD_OFFSET.
661         (scan_sharing_clauses): Adjust install_var_field callers.  For
662         firstprivate clauses on explicit tasks allocate the var by value in
663         record_type unconditionally, rather than by reference.
664         Handle OMP_CLAUSE_PRIVATE_OUTER_REF.  Scan OMP_CLAUSE_LASTPRIVATE_STMT.
665         Use is_taskreg_ctx instead of is_parallel_ctx.
666         Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
667         (create_omp_child_function_name): Add task_copy argument, use
668         *_omp_cpyfn* names if it is true.
669         (create_omp_child_function): Add task_copy argument, if true create
670         *_omp_cpyfn* helper function.
671         (scan_omp_parallel): Adjust create_omp_child_function callers.
672         Rename parallel_nesting_level to taskreg_nesting_level.
673         (scan_omp_task): New function.
674         (lower_rec_input_clauses): Don't run constructors for firstprivate
675         explicit task vars which are initialized by *_omp_cpyfn*.  
676         Pass outer var ref to omp_clause_default_ctor hook if
677         OMP_CLAUSE_PRIVATE_OUTER_REF or OMP_CLAUSE_LASTPRIVATE.
678         Replace OMP_CLAUSE_REDUCTION_PLACEHOLDER decls in
679         OMP_CLAUSE_REDUCTION_INIT.
680         (lower_send_clauses): Clear DECL_ABSTRACT_ORIGIN if in task to
681         avoid duplicate setting of fields.  Handle
682         OMP_CLAUSE_PRIVATE_OUTER_REF.
683         (lower_send_shared_vars): Use srecord_type if non-NULL.  Don't
684         copy-out if TREE_READONLY, only copy-in.
685         (expand_task_copyfn): New function.
686         (expand_task_call): New function.
687         (struct omp_taskcopy_context): New type.
688         (task_copyfn_copy_decl, task_copyfn_remap_type, create_task_copyfn):
689         New functions.
690         (lower_omp_parallel): Rename to...
691         (lower_omp_taskreg): ... this.  Use OMP_TASKREG_* macros where needed.
692         Call create_task_copyfn if srecord_type is needed.  Adjust
693         sender_decl type.
694         (task_shared_vars): New variable.
695         (check_omp_nesting_restrictions): Warn if work-sharing,
696         barrier, master or ordered region is closely nested inside OMP_TASK.
697         Add warnings for barrier if closely nested inside of work-sharing,
698         ordered, or master region.
699         (scan_omp_1): Call check_omp_nesting_restrictions even for
700         GOMP_barrier calls.  Rename parallel_nesting_level to
701         taskreg_nesting_level.  Handle OMP_TASK.
702         (lower_lastprivate_clauses): Even if some lastprivate is found on a
703         work-sharing construct, continue looking for them on parent parallel
704         construct.
705         (lower_omp_for_lastprivate): Add lastprivate clauses
706         to the beginning of dlist rather than end.  Adjust for struct
707         omp_for_data changes.
708         (lower_omp_for): Add rec input clauses before OMP_FOR_PRE_BODY,
709         not after it.  Handle collapsed OMP_FOR loops, adjust for
710         OMP_FOR_{INIT,COND,INCR} changes, adjust extract_omp_for_data caller.
711         (get_ws_args_for): Adjust extract_omp_for_data caller.
712         (scan_omp_for): Handle collapsed OMP_FOR
713         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
714         (lower_omp_single_simple): If libgomp function doesn't return
715         boolean_type_node, add comparison of the return value with 0.
716         (diagnose_sb_1, diagnose_sb_2): Handle collapsed OMP_FOR
717         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.  Handle OMP_TASK.
718         (parallel_nesting_level): Rename to...
719         (taskreg_nesting_level): ... this.
720         (is_taskreg_ctx): New function.
721         (build_outer_var_ref, omp_copy_decl): Use is_taskreg_ctx instead
722         of is_parallel_ctx.
723         (execute_lower_omp): Rename parallel_nesting_level to
724         taskreg_nesting_level.
725         (expand_omp_parallel): Rename to...
726         (expand_omp_taskreg): ... this.  Use OMP_TASKREG_* macros where needed.
727         Call omp_task_call for OMP_TASK regions.
728         (expand_omp): Adjust caller, handle OMP_TASK.
729         (lower_omp_1): Adjust lower_omp_taskreg caller, handle OMP_TASK.
730
731         * bitmap.c (bitmap_default_obstack_depth): New variable.
732         (bitmap_obstack_initialize, bitmap_obstack_release): Do nothing
733         if argument is NULL and bitmap_default_obstack is already initialized.
734         * ipa-struct-reorg.c (do_reorg_1): Call bitmap_obstack_release
735         at the end.
736         * matrix-reorg.c (matrix_reorg): Likewise.
737
738 2008-06-06  Uros Bizjak  <ubizjak@gmail.com>
739
740         * config/i386/i386.md (*indirect_jump): Macroize using P
741         mode iterator.  Remove !TARGET_64BIT from insn constraints.
742         (*tablejump_1): Ditto.
743         (*indirect_jump_rex64): Remove insn pattern.
744         (*tablejump_1_rex64): Ditto.
745         (eh_return_<mode>): Macroize using P mode iterator from eh_return_di
746         and eh_return_si insn patterns.
747
748 2008-06-06  Richard Guenther  <rguenther@suse.de>
749
750         * tree-ssa-structalias.c (merge_smts_into): Remove.
751         (find_what_p_points_to): Do not bother to compute the
752         points-to set for pt_anything pointers.
753         * tree-ssa-operands.c (get_addr_dereference_operands): No NMT
754         for pt_anything pointers is ok.
755
756 2008-06-06  Jan Hubicka  <jh@suse.cz>
757
758         * passes.c (execute_ipa_pass_list): Do not regenerate summaries.
759
760 2008-06-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
761
762         * cgraph.c: Fix typos in comments.
763         (cgraph_availability_names): Fix string typo.
764         * fold-const.c: Fix typos in comments.
765         (fold_binary): Fix typo in warning.
766         * genautomata.c: Fix typos in comments.
767         (check_presence_pattern_sets): Fix typo in local variable.
768         (output_description): Fix typo in output.
769         * ggc-zone.c (ggc_pch_finish): Fix typo in error message.
770         * hwint.h: Likewise.
771         * matrix-reorg.c (check_allocation_function): Likewise.
772         * omega.c (smooth_weird_equations): Likewise.
773         * auto-inc-dec.c: Fix typos in comments.
774         * bb-reorder.c: Likewise.
775         * builtins.c: Likewise.
776         * c-common.c: Likewise.
777         * c-cppbuiltin.c: Likewise.
778         * c-parser.c: Likewise.
779         * c-pretty-print.c: Likewise.
780         * cfgcleanup.c: Likewise.
781         * cfgexpand.c: Likewise.
782         * cfghooks.c: Likewise.
783         * cfglayout.c: Likewise.
784         * cfgloopmanip.c: Likewise.
785         * cgraphunit.c: Likewise.
786         * coverage.c: Likewise.
787         * dbxout.c: Likewise.
788         * df-byte-scan.c: Likewise.
789         * df-core.c: Likewise.
790         * df-problems.c: Likewise.
791         * df-scan.c: Likewise.
792         * dfp.c: Likewise.
793         * dominance.c: Likewise.
794         * domwalk.c: Likewise.
795         * dse.c: Likewise.
796         * dwarf2out.c: Likewise.
797         * emit-rtl.c: Likewise.
798         * et-forest.c: Likewise.
799         * function.c: Likewise.
800         * function.h: Likewise.
801         * gcc.c: Likewise.
802         * gcov-io.c: Likewise.
803         * gcov.c: Likewise.
804         * gcse.c: Likewise.
805         * genattrtab.c: Likewise.
806         * ggc-page.c: Likewise.
807         * gimplify.c: Likewise.
808         * gthr-lynx.h: Likewise.
809         * haifa-sched.c: Likewise.
810         * ipa-cp.c: Likewise.
811         * ipa-inline.c: Likewise.
812         * ipa-prop.h: Likewise.
813         * ipa-pure-const.c: Likewise.
814         * ipa-struct-reorg.c: Likewise.
815         * ipa-struct-reorg.h: Likewise.
816         * ipa-type-escape.c: Likewise.
817         * ipa.c: Likewise.
818         * loop-doloop.c: Likewise.
819         * mips-tfile.c: Likewise.
820         * mkmap-flat.awk: Likewise.
821         * mkmap-symver.awk: Likewise.
822         * modulo-sched.c: Likewise.
823         * omp-low.c: Likewise.
824         * optabs.c: Likewise.
825         * optabs.h: Likewise.
826         * opts.c: Likewise.
827         * passes.c: Likewise.
828         * postreload-gcse.c: Likewise.
829         * postreload.c: Likewise.
830         * predict.c: Likewise.
831         * pretty-print.h: Likewise.
832         * profile.c: Likewise.
833         * protoize.c: Likewise.
834         * ra-conflict.c: Likewise.
835         * real.c: Likewise.
836         * recog.c: Likewise.
837         * regclass.c: Likewise.
838         * regs.h: Likewise.
839         * reload.c: Likewise.
840         * rtl-error.c: Likewise.
841         * rtlanal.c: Likewise.
842         * scan.h: Likewise.
843         * sched-rgn.c: Likewise.
844         * see.c: Likewise.
845         * stmt.c: Likewise.
846         * target.h: Likewise.
847         * tree-dfa.c: Likewise.
848         * tree-eh.c: Likewise.
849         * tree-flow-inline.h: Likewise.
850         * tree-inline.c: Likewise.
851         * tree-into-ssa.c: Likewise.
852         * tree-loop-distribution.c: Likewise.
853         * tree-nested.c: Likewise.
854         * tree-parloops.c: Likewise.
855         * tree-pass.h: Likewise.
856         * tree-pretty-print.c: Likewise.
857         * tree-profile.c: Likewise.
858         * tree-scalar-evolution.c: Likewise.
859         * tree-sra.c: Likewise.
860         * tree-ssa-alias-warnings.c: Likewise.
861         * tree-ssa-ccp.c: Likewise.
862         * tree-ssa-coalesce.c: Likewise.
863         * tree-ssa-dom.c: Likewise.
864         * tree-ssa-dse.c: Likewise.
865         * tree-ssa-forwprop.c: Likewise.
866         * tree-ssa-live.c: Likewise.
867         * tree-ssa-live.h: Likewise.
868         * tree-ssa-loop-im.c: Likewise.
869         * tree-ssa-loop-ivopts.c: Likewise.
870         * tree-ssa-loop-niter.c: Likewise.
871         * tree-ssa-loop-prefetch.c: Likewise.
872         * tree-ssa-phiopt.c: Likewise.
873         * tree-ssa-phiprop.c: Likewise.
874         * tree-ssa-sccvn.c: Likewise.
875         * tree-ssa-ter.c: Likewise.
876         * tree-ssa-threadupdate.c: Likewise.
877         * tree-ssa.c: Likewise.
878         * tree-vect-analyze.c: Likewise.
879         * tree-vect-transform.c: Likewise.
880         * tree-vectorizer.c: Likewise.
881         * tree-vn.c: Likewise.
882         * tree-vrp.c: Likewise.
883         * tree.c: Likewise.
884         * tree.def: Likewise.
885         * tree.h: Likewise.
886         * unwind-dw2-fde.c: Likewise.
887         * unwind.inc: Likewise.
888         * value-prof.c: Likewise.
889         * vmsdbgout.c: Likewise.
890
891 2008-06-05  David Edelsohn  <edelsohn@gnu.org>
892
893         * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Do not
894         always place FP constants in the TOC for TARGET_POWERPC64.
895         * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Same.
896
897 2008-06-05  Joseph Myers  <joseph@codesourcery.com>
898
899         * config.gcc (powerpc-*-linux*spe*): Use t-dfprules.
900         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): Do not
901         enable for TARGET_E500_DOUBLE.
902         (*movdd_softfloat32): Also enable for !TARGET_FPRS.
903         * config/rs6000/rs6000.c (invalid_e500_subreg): Treat decimal
904         floating-point modes like integer modes for E500 double.
905         (rs6000_legitimate_offset_address_p): Likewise.
906         (rs6000_legitimize_address): Likewise.  Do not allow REG+REG
907         addressing for DDmode for E500 double.
908         (rs6000_hard_regno_nregs): Do not treat decimal floating-point
909         modes as using 64-bits of registers for E500 double.
910         (spe_build_register_parallel): Do not handle DDmode or TDmode.
911         (rs6000_spe_function_arg): Do not handle DDmode or TDmode
912         specially for E500 double.
913         (function_arg): Do not call rs6000_spe_function_arg for DDmode or
914         TDmode for E500 double.
915         (rs6000_gimplify_va_arg): Only handle SDmode in registers
916         specially if TARGET_HARD_FLOAT && TARGET_FPRS.
917         (rs6000_split_multireg_move): Do not handle TDmode specially for
918         E500 double.
919         (spe_func_has_64bit_regs_p): Do not treat DDmode or TDmode as
920         using 64-bit registers for E500 double.
921         (emit_frame_save): Do not handle DDmode specially for E500 double.
922         (gen_frame_mem_offset): Likewise.
923         (rs6000_function_value): Do not call spe_build_register_parallel
924         for DDmode or TDmode.
925         (rs6000_libcall_value): Likewise.
926         * config/rs6000/rs6000.h (LOCAL_ALIGNMENT, MEMBER_TYPE_FORCES_BLK,
927         DATA_ALIGNMENT, CLASS_MAX_NREGS): Do not handle DDmode specially
928         for E500 double.
929
930 2008-06-04  H.J. Lu  <hongjiu.lu@intel.com>
931
932         * config/i386/i386.c (setup_incoming_varargs_64): Fix a typo
933         in comments.
934
935 2008-06-04  Junjie Gu <jgu@tensilica.com>
936
937         * config/xtensa/lib2funcs.S (__xtensa_nonlocal_goto): Use unsigned
938         comparison for frame pointers.
939
940 2008-06-04  Andy Hutchinson  <hutchinsonandy@aim.com>
941
942         PR target/27386
943         * config/avr/avr.h (PUSH_ROUNDING): Remove.
944
945 2008-06-04  Andy Hutchinson  <hutchinsonandy@aim.com>
946
947         PR target/30243
948         * builtins.c (expand_builtin_signbit): Don't take lowpart when
949         register is already smaller or equal to required mode. 
950
951 2008-06-04  Xinliang David Li  <davidxl@google.com>
952
953         * tree-call-cdce.c: New file. 
954         (cond_dead_built_in_calls): New static variable.
955         (input_domain): New struct.
956         (check_pow): New function.
957         (check_builtin_call): Ditto.
958         (check_target_format): Ditto.
959         (is_call_dce_candidate): Ditto.
960         (gen_one_condition): Ditto.
961         (gen_conditions_for_domain): Ditto.
962         (get_domain): Ditto.
963         (gen_conditions_for_pow_cst_base): Ditto.
964         (gen_conditions_for_pow_int_base): Ditto.
965         (gen_conditions_for_pow): Ditto.
966         (get_no_error_domain): Ditto.
967         (gen_shrink_wrap_conditions): Ditto.
968         (shrink_wrap_one_built_in_call): Ditto.
969         (shink_wrap_conditional_dead_built_in_calls): Ditto.
970         (tree_call_cdce): Ditto.
971         (gate_call_cdce): Ditto.
972         (pass_call_cdce): New gimple pass.
973         * passes.c: (init_optimization_passes): New pass.
974         * tree-pass.h: New pass declaration.
975         * opts.c (decode_options): New flag setting.
976         * common.opt: Add -ftree-builtin-call-dce flag.
977         * Makefile.in: Add new source file.
978         * tempvar.def: New tv_id.
979         * doc/invoke.texi (-ftree-builtin-call-dce): New flag.
980
981 2008-06-04  Richard Guenther  <rguenther@suse.de>
982
983         * tree-flow-inline.h (is_global_var): Do not check TREE_STATIC on MTAGs.
984         (is_call_clobbered): Always check var_ann->call_clobbered.
985         (mark_call_clobbered): Always set var_ann->call_clobbered.
986         (clear_call_clobbered): Always clear var_ann->call_clobbered.
987         * tree-ssa-alias.c (mark_non_addressable): Use clear_call_clobbered.
988         (reset_alias_info): Clear call clobbering info on MTAGs and
989         globals as well.
990         (set_pt_anything): Set pt_global_mem.
991         (create_tag_raw): Adjust comment.
992         (may_be_aliased): Do not check TREE_PUBLIC on MTAGs.
993
994 2008-06-04  Joseph Myers  <joseph@codesourcery.com>
995             Maxim Kuvyrkov  <maxim@codesourcery.com>
996
997         * config/m68k/m68k.opt (mxgot): New option.
998         * config/m68k/m68k.c (legitimize_pic_address): Handle -mxgot.
999         (m68k_output_addr_const_extra): New.
1000         * config/m68k/m68k.h (OUTPUT_ADDR_CONST_EXTRA): New.
1001         * config/m68k/m68k-protos.h (m68k_output_addr_const_extra): Declare.
1002         * config/m68k/m68k.md (UNSPEC_GOTOFF): Define.
1003         * doc/invoke.texi (M680x0 Options): Document -mxgot.
1004
1005 2008-06-04  Richard Guenther  <rguenther@suse.de>
1006
1007         * tree-ssa-structalias.c (handle_ptr_arith): Correctly handle
1008         negative or non-representable offsets.
1009
1010 2008-06-03  H.J. Lu  <hongjiu.lu@intel.com>
1011
1012         * config/i386/i386.c (ix86_gen_leave): New.
1013         (ix86_gen_pop1): Likewise.
1014         (ix86_gen_add3): Likewise.
1015         (ix86_gen_sub3): Likewise.
1016         (ix86_gen_sub3_carry): Likewise.
1017         (ix86_gen_one_cmpl2): Likewise.
1018         (ix86_gen_monitor): Likewise.
1019         (override_options): Initialize ix86_gen_leave, ix86_gen_pop1,
1020         ix86_gen_add3, ix86_gen_sub3, ix86_gen_sub3_carry,
1021         ix86_gen_one_cmpl2 and ix86_gen_monitor.
1022         (ix86_file_end): Use mov%z0 instead of mov{q}/mov{l}.
1023         (output_set_got): Use mov%z0, pop%z0 and add%z0 instead of
1024         mov{q}/mov{l}, pop{q}/pop{l} and add{q}/add{l}.
1025         (ix86_expand_epilogue): Updated.
1026         (print_operand): Handle integer register operand for 'z'.
1027         (ix86_expand_strlensi_unroll_1): Likewise.
1028         (ix86_expand_strlen): Likewise.
1029         (ix86_expand_builtin): Likewise.
1030         (x86_output_mi_thunk): Use mov%z1 and add%z1 instead of
1031         mov{q}/mov{l} and add{q}/add{l}.
1032
1033 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
1034
1035         * config/i386/i386.md (P): New mode iterator.
1036         (SFmode push_operand splitter): Macroize DImode and SImode pushes
1037         using P mode iterator.
1038         (DFmode push_operand splitter): Ditto.
1039         (XFmode push_operand splitter): Ditto.
1040         (DFmode float_extend SFmode push_operand splitter): Ditto.
1041         (XFmode float_extend SFmode push_operand splitter): Do not generate
1042         SImode pushes for 64bit target.  Macroize Dimode and SImode
1043         pushes using P mode iterator.
1044         (XFmode float_extend DFmode push_operand splitter): Ditto.
1045
1046 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
1047
1048         * config/i386/i386-protos.h (ix86_reg_parm_stack_space): New.
1049         * config/i386/i386.h (ix86_reg_parm_stack_space): Removed prototype.
1050         * config/i386/i386.c (ix86_reg_parm_stack_space): Changed
1051         return type to int.
1052         (ix86_call_abi_override): Remove check for call_used_regs.
1053
1054 2008-06-03  Richard Guenther  <rguenther@suse.de>
1055
1056         * tree-ssa-structalias.c (find_func_aliases): Add constraints
1057         for the lhs of calls if the return type contains pointers.
1058
1059 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
1060
1061         * doc/tm.texi (OVERRIDE_ABI_FORMAT): New.
1062         * doc/extend.texi (ms_abi,sysv_abi): New attribute description.
1063         * function.c (allocate_struct_function): Use of OVERRIDE_ABI_FORMAT.
1064         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Make use
1065         of cfun and DEFAULT_ABI to deceide abi mode.
1066         (DEFAULT_ABI): New.
1067         (REG_PARM_STACK_SPACE): Removed.
1068         (OUTGOING_REG_PARM_STACK_SPACE): Removed.
1069         (STACK_BOUNDARY): Use default target to deceide stack boundary.
1070         * config/i386/i386-protos.h (ix86_cfun_abi): New.
1071         (ix86_function_abi): Likewise.
1072         (ix86_function_type_abi): Likewise.
1073         (ix86_call_abi_override): Likewise.
1074         * confid/i386/i386.md (SSE_REGPARM_MAX): Replaced by abi
1075         specific define X86_64_SSE_REGPARM_MAX/X64_SSE_REGPARM_MAX.
1076         * config/i386/i386.c (override_options): Replace TARGET_64BIT_MS_ABI.
1077         (X86_64_VARARGS_SIZE): Replace REGPARM_MAX and SSE_REGPARM_MAX by abi
1078         specific defines.
1079         (X86_64_REGPARM_MAX): New.
1080         (X86_64_SSE_REGPARM_MAX): New.
1081         (X64_REGPARM_MAX): New.
1082         (X64_SSE_REGPARM_MAX): New.
1083         (X86_32_REGPARM_MAX): New.
1084         (X86_32_SSE_REGPARM_MAX): New.
1085         (ix86_handle_cconv_attribute): Replace TARGET_64BIT_MS_ABI.
1086         (ix86_function_regparm): Handle user calling abi.
1087         (ix86_function_arg_regno_p): Replace TARGET_64BIT_MS_ABI
1088         by DEFAULT_ABI versus SYSV_ABI check.
1089         (ix86_reg_parm_stack_space): New.
1090         (ix86_function_type_abi): New.
1091         (ix86_call_abi_override): New.
1092         (ix86_function_abi): New.
1093         (ix86_cfun_abi): New.
1094         (init_cumulative_args): Call abi specific initialization.
1095         (function_arg_advance): Remove TARGET_64BIT_MS_ABI.
1096         (function_arg_64): Extend SSE_REGPARM_MAX check.
1097         (function_arg (): Remove TARGET_64BIT_MS_ABI.
1098         (ix86_pass_by_reference): Likewise.
1099         (ix86_function_value_regno_p): Likewise.
1100         (function_value_64): Replace REGPARM_MAX, and SSE_REGPARM_MAX.
1101         (ix86_function_value_1): Replace TARGET_64BIT_MS_ABI.
1102         (return_in_memory_ms_64): Replace TARGET_64BIT_MS_ABI.
1103         (ix86_build_builtin_va_list): Replace TARGET_64BIT_MS_ABI.
1104         (setup_incoming_varargs_64): Adjust regparm for call abi.
1105         (ix86_setup_incoming_varargs): Replace TARGET_64BIT_MS_ABI.
1106         (ix86_va_start): Likewise.
1107         (ix86_gimplify_va_arg): Likewise.
1108         (ix86_expand_prologue): Likewise.
1109         (output_pic_addr_const): Likewise.
1110         (ix86_init_machine_status): Initialize call_abi by DEFAULT_ABI.
1111         (x86_this_parameter): Replace TARGET_64BIT_MS_ABI.
1112         (x86_output_mi_thunk): Likewise.
1113         (x86_function_profiler): Likewise.
1114         * config/i386/i386.h (TARGET_64BIT_MS_ABI): Use ix64_cfun_abi.
1115         (SYSV_ABI, MS_ABI): New constants.
1116         (DEFAULT_ABI): New.
1117         (init_regs): Add prototype of function in regclass.c file.
1118         (OVERRIDE_ABI_FORMAT): New.
1119         (CONDITIONAL_REGISTER_USAGE): Remove TARGET_64BIT_MS_ABI part.
1120         (REG_PARM_STACK_SPACE): Use ix86_reg_parm_stack_space.
1121         (OUTGOING_REG_PARM_STACK_SPACE): New.
1122         (ix86_reg_parm_stack_space): New prototype.
1123         (CUMULATIVE_ARGS): Add call_abi member.
1124         (machine_function): Add call_abi member.
1125         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Replace
1126         TARGET_64BIT_MS_ABI by DEFAULT_ABI compare to MS_ABI.
1127
1128 2008-06-02  Andy Hutchinson  <hutchinsonandy@aim.com> 
1129
1130         PR target/34879
1131         * config/avr/avr.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Redefine.
1132         (avr_builtin_setjmp_frame_value): New function.
1133         * config/avr/avr.md (nonlocal_goto_receiver): Define.
1134         (nonlocal_goto): Define.
1135
1136 2008-06-02  Richard Sandiford  <rdsandiford@googlemail.com>
1137
1138         * config/mips/mips.c (mips_emit_loadgp): Return early if
1139         there is nothing do to, otherwise emit a blockage if
1140         !TARGET_EXPLICIT_RELOCS || crtl->profile.
1141         * config/mips/mips.md (loadgp_blockage): Use SI rather than DI.
1142
1143 2008-06-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1144
1145         * configure.ac: Drop unneeded backslash ending up in config.in.
1146         * acinclude.m4: Likewise.
1147         * config.in: Regenerate.
1148
1149 2008-05-26  Jan Hubicka  <jh@suse.cz>
1150
1151         * predict.c (maybe_hot_frequency_p): Break out of...
1152         (maybe_hot_bb_p): ... here.
1153         (maybe_hot_edge_p): New.
1154         * tree-ssa-coalesce.c (coalesce_cost_edge): Compute cost based on edge.
1155         * basic-block.h (maybe_hot_edge_p): Declare.
1156
1157 2008-05-31  Uros Bizjak  <ubizjak@gmail.com>
1158
1159         * config/i386/i386.md (*cmpfp_<mode>): Enable for optimize_size.
1160         (*cmpfp_<mode>_cc): Ditto.
1161         (*fp_jcc_8<mode>_387): Ditto.
1162         (*fop_<MODEF:mode>_2_i387): Ditto.
1163         (*fop_<MODEF:mode>_3_i387): Ditto.
1164         (*fop_xf_2_i387): Ditto.
1165         (*fop_xf_3_i387): Ditto.
1166
1167 2008-06-02  Tomas Bily  <tbily@suse.cz>
1168
1169         * tree-ssa-ifcombine.c (get_name_for_bit_test): Use CONVERT_EXPR_P.
1170
1171 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
1172
1173         * config/mips/mips.c (mips_valid_offset_p): New function.
1174         (mips_valid_lo_sum_p): Likewise.
1175         (mips_classify_address): Use them.
1176         (mips_force_address): New function.
1177         (mips_legitimize_address): Use it.
1178         * config/mips/mips.md (MOVE128): New mode iterator.
1179         (movtf): Require TARGET_64BIT.  Remove empty strings.
1180         (*movtf_internal): Rename to...
1181         (*movtf): ...this and require !TARGET_MIPS16.  Use "m" instead
1182         of "R" and use {,fp}{load,store} attributes instead of "multi".
1183         Use a separate define_split.
1184         (*movtf_mips16): New pattern.
1185
1186 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
1187
1188         * config/mips/mips-protos.h (mips_expand_before_return): Declare.
1189         * config/mips/mips.c (mips_expand_before_return): New function.
1190         (mips_expand_epilogue): Call it.
1191         * config/mips/mips.md (return): Turn into a define_expand.
1192         (*return): New insn.
1193
1194 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
1195
1196         * rtl.h (emit_clobber, gen_clobber, emit_use, gen_use): Declare.
1197         * emit-rtl.c (emit_clobber, gen_clobber, emit_use, gen_use): New
1198         functions.  Do not emit uses and clobbers of CONCATs; individually
1199         use and clobber their operands.
1200         * builtins.c (expand_builtin_setjmp_receiver): Use emit_clobber,
1201         gen_clobber, emit_use and gen_use.
1202         (expand_builtin_longjmp, expand_builtin_nonlocal_goto): Likewise.
1203         (expand_builtin_return): Likewise.
1204         * cfgbuild.c (count_basic_blocks): Likewise.
1205         * cfgrtl.c (rtl_flow_call_edges_add): Likewise.
1206         * explow.c (emit_stack_restore): Likewise.
1207         * expmed.c (extract_bit_field_1): Likewise.
1208         * expr.c (convert_move, emit_move_complex_parts): Likewise.
1209         (emit_move_multi_word, store_constructor): Likewise.
1210         * function.c (do_clobber_return_reg, do_use_return_reg): Likewise.
1211         (thread_prologue_and_epilogue_insns): Likewise.
1212         * lower-subreg.c (resolve_simple_move): Likewise.
1213         * optabs.c (widen_operand, expand_binop): Likewise.
1214         (expand_doubleword_bswap, emit_no_conflict_block): Likewise.
1215         * reload.c (find_reloads): Likewise.
1216         * reload1.c (eliminate_regs_in_insn): Likewise.
1217         * stmt.c (expand_nl_goto_receiver): Likewise.
1218         * config/alpha/alpha.md (builtin_longjmp): Likewise.
1219         * config/arc/arc.md (*movdi_insn, *movdf_insn): Likewise.
1220         * config/arm/arm.c (arm_load_pic_register): Likewise.
1221         (thumb1_expand_epilogue, thumb_set_return_address): Likewise.
1222         * config/arm/arm.md (untyped_return): Likewise.
1223         * config/arm/linux-elf.h (PROFILE_HOOK): Likewise.
1224         * config/avr/avr.c (expand_prologue): Likewise.
1225         * config/bfin/bfin.c (do_unlink): Likewise.
1226         * config/bfin/bfin.md (<optab>di3, adddi3, subdi3): Likewise.
1227         * config/cris/cris.c (cris_expand_prologue): Likewise.
1228         * config/darwin.c (machopic_indirect_data_reference): Likewise.
1229         (machopic_legitimize_pic_address): Likewise.
1230         * config/frv/frv.c (frv_frame_access, frv_expand_epilogue): Likewise.
1231         (frv_ifcvt_modify_insn, frv_expand_mdpackh_builtin): Likewise.
1232         * config/i386/i386.c (ix86_expand_vector_move_misalign): Likewise.
1233         (ix86_expand_convert_uns_didf_sse): Likewise.
1234         (ix86_expand_vector_init_general): Likewise.
1235         * config/ia64/ia64.md (eh_epilogue): Likewise.
1236         * config/iq2000/iq2000.c (iq2000_expand_epilogue): Likewise.
1237         * config/m32c/m32c.c (m32c_emit_eh_epilogue): Likewise.
1238         * config/m32r/m32r.c (m32r_reload_lr): Likewise.
1239         (config/iq2000/iq2000.c): Likewise.
1240         * config/mips/mips.md (fixuns_truncdfsi2): Likewise.
1241         (fixuns_truncdfdi2, fixuns_truncsfsi2, fixuns_truncsfdi2): Likewise.
1242         (builtin_longjmp): Likewise.
1243         * config/mn10300/mn10300.md (call, call_value): Likewise.
1244         * config/pa/pa.md (nonlocal_goto, nonlocal_longjmp): Likewise.
1245         * config/pdp11/pdp11.md (abshi2): Likewise.
1246         * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
1247         * config/s390/s390.c (s390_emit_prologue): Likewise.
1248         * config/s390/s390.md (movmem_long, setmem_long): Likewise.
1249         (cmpmem_long, extendsidi2, zero_extendsidi2, udivmoddi4): Likewise.
1250         (builtin_setjmp_receiver, restore_stack_nonlocal): Likewise.
1251         * config/sh/sh.c (prepare_move_operands): Likewise.
1252         (output_stack_adjust, sh_expand_epilogue): Likewise.
1253         (sh_set_return_address, sh_expand_t_scc): Likewise.
1254         * config/sparc/sparc.c (load_pic_register): Likewise.
1255         * config/sparc/sparc.md (untyped_return, nonlocal_goto): Likewise.
1256         * config/spu/spu.c (spu_expand_epilogue): Likewise.
1257         * config/v850/v850.c (expand_epilogue): Likewise.
1258
1259 2008-05-31  Anatoly Sokolov  <aesok@post.ru>
1260
1261         * config/avr/avr.md (UNSPECV_WRITE_SP_IRQ_ON): New constants.
1262         (UNSPECV_WRITE_SP_IRQ_OFF): (Ditto.).
1263         (movhi_sp_r_irq_off, movhi_sp_r_irq_on): New insn.
1264         * config/avr/avr.c (expand_prologue, expand_epilogue): Use 
1265         movhi_sp_r_irq_off and movhi_sp_r_irq_on insns for writing to the 
1266         stack pointer register.
1267         (output_movhi): Remove code for interrupt specific writing to the 
1268         stack pointer register.
1269
1270 2008-05-31  Richard Guenther  <rguenther@suse.de>
1271
1272         PR tree-optimization/34244
1273         * fold-const.c (tree_expr_nonnegative_warnv_p): Do not ask VRP.
1274         (tree_expr_nonzero_warnv_p): Likewise.
1275         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
1276         ssa_name_nonnegative_p.
1277         (vrp_expr_computes_nonzero): Call ssa_name_nonzero_p.
1278         (extract_range_from_unary_expr): Use vrp_expr_computes_nonzero,
1279         not tree_expr_nonzero_warnv_p.
1280
1281         PR tree-optimization/36262
1282         Revert
1283         2007-11-29  Zdenek Dvorak  <ook@ucw.cz>
1284
1285         PR tree-optimization/34244
1286         * tree-vrp.c (adjust_range_with_scev): Clear scev cache.
1287         (record_numbers_of_iterations): New function.
1288         (execute_vrp): Cache the numbers of iterations of loops.
1289         * tree-scalar-evolution.c (scev_reset_except_niters):
1290         New function.
1291         (scev_reset): Use scev_reset_except_niters.
1292         * tree-scalar-evolution.h (scev_reset_except_niters): Declare.
1293
1294 2008-05-31  Bernd Schmidt  <bernd.schmidt@analog.com>
1295
1296         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
1297         __WORKAROUND_RETS when appropriate.
1298
1299 2008-05-31  Uros Bizjak  <ubizjak@gmail.com>
1300
1301         * config/i386/i386.md (*fop_<mode>_comm_mixed): Macroize from
1302         *fop_sf_comm_mixed and *fop_df_comm_mixed insn patterns using MODEF
1303         mode iterator.
1304         (*fop_<mode>_comm_sse): Macroize from *fop_sf_comm_sse and
1305         *fop_df_comm_sse insn patterns using MODEF mode iterator.
1306         (*fop_<mode>_comm_i387): Macroize from *fop_sf_comm_i387 and
1307         *fop_df_comm_i387 insn patterns using MODEF mode iterator.
1308         (*fop_<mode>_1_mixed): Macroize from *fop_sf_1_mixed and
1309         *fop_df_1_mixed insn patterns using MODEF mode iterator.
1310         (*fop_<mode>_1_sse): Macroize from *fop_sf_1_sse and
1311         *fop_df_1_sse insn patterns using MODEF mode iterator.
1312         (*fop_<mode>_1_i387): Macroize from *fop_sf_1_i387 and
1313         *fop_df_1_i387 insn patterns using MODEF mode iterator.
1314         (*fop_<MODEF:mode>_2_i387): Macroize from *fop_sf_2<mode>_i387 and
1315         *fop_df_2<mode>_i387 insn patterns using MODEF mode iterator.
1316         (*fop_<MODEF:mode>_3_i387): Macroize from *fop_sf_3<mode>_i387 and
1317         *fop_df_3<mode>_i387 insn patterns using MODEF mode iterator.
1318         (*fop_xf_2_i387): Rename from *fop_xf_2<mode>_i387.
1319         (*fop_xf_3_i387): Rename from *fop_xf_3<mode>_i387.
1320         (*fop_xf_4_i387): Use <MODE> for mode attribute.
1321         (*fop_xf_5_i387): Ditto.
1322         (*fop_xf_6_i387): Ditto.
1323
1324 2008-05-30  Richard Guenther  <rguenther@suse.de>
1325
1326         * builtins.c (build_string_literal): Avoid generating
1327         a non-gimple_val result.
1328
1329 2008-05-30  DJ Delorie  <dj@redhat.com>
1330
1331         * exec-tool.in: Use an environment variable (private) instead of a
1332         file (shared) as a semaphore, so as to not break parallel builds.
1333
1334 2008-05-30  Steven Bosscher  <stevenb.gcc@gmail.com>
1335
1336         * optabs.c (maybe_encapsulate_block): Remove.
1337         (emit_libcall_block): Adjust accordingly.
1338         * optabs.h (maybe_encapsulate_block): Remove prototype.
1339
1340         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address):
1341         Don't use maybe_encapsulate_block.
1342
1343 2008-05-30  Steven Bosscher  <stevenb.gcc@gmail.com>
1344
1345         * config/rs6000/rs6000.c (rs6000_legitimize_address,
1346         rs6000_legitimize_reload_address, rs6000_emit_move): Make sure an
1347         rtx is a SYMBOL_REF before calling get_pool_constant.
1348
1349 2008-05-30  Eric Botcazou  <ebotcazou@adacore.com>
1350
1351         * fold-const.c (fold_unary) <CASE_CONVERT>: Add ??? comment.
1352
1353 2008-05-30  Danny Smith  <dannysmith@users.sourceforge.net>
1354
1355         * incpath.c: Use HOST_LACKS_INODE_NUMBERS conditional
1356         rather than OS names to choose INO_T_EQ definition.
1357         (DIRS_EQ) [!INO_T_EQ]: Don't worry about case in comparison.
1358         (add_path) [!INO_T_EQ]: Use lrealpath to fill canonical_name field.
1359
1360 2008-05-29  Daniel Franke  <franke.daniel@gmail.com>
1361
1362         PR target/36348
1363         * config/darwin-f.c: New.
1364         * config/t-darwin: Added rule to build darwin-f.o.
1365         * config.gcc: Defined new variable, fortran_target_objs.
1366         (*-*-darwin*): Set fortran_target_objs.
1367         * Makefile.in: Defined new variable FORTRAN_TARGET_OBJS.
1368         * configure.ac: Substitute fortran_target_objs, set FORTRAN_TARGET_OBJS.
1369         * configure: Regenerated.
1370
1371 2008-05-29  H.J. Lu  <hongjiu.lu@intel.com>
1372
1373         PR target/35771
1374         * config/i386/i386.c (ix86_function_arg_boundary): Convert to
1375         canonical type if needed.
1376
1377 2008-05-29  Eric Botcazou  <ebotcazou@adacore.com>
1378
1379         * tree-nested.c (check_for_nested_with_variably_modified): Fix typo.
1380
1381 2008-05-29  Richard Guenther  <rguenther@suse.de>
1382
1383         PR tree-optimization/36343
1384         PR tree-optimization/36346
1385         PR tree-optimization/36347
1386         * tree-flow.h (clobber_what_p_points_to): Declare.
1387         * tree-ssa-structalias.c (set_uids_in_ptset): Whether the
1388         pointed-to variable is dereferenced is irrelevant to whether
1389         the pointer can access the pointed-to variable.
1390         (clobber_what_p_points_to): New function.
1391         * tree-ssa-alias.c (set_initial_properties): Use it.
1392         * tree-ssa.c (verify_flow_sensitive_alias_info): Adjust
1393         call clobber check for NMTs.
1394
1395 2008-05-28  Seongbae Park  <seongbae.park@gmail.com>
1396         
1397         * value-prof.c (tree_ic_transform): Use HOST_WIDEST_INT_PRINT_DEC
1398         for printing gcov_type.
1399
1400 2008-05-28  Seongbae Park  <seongbae.park@gmail.com>
1401
1402         * tree-ssa-propagate.c (set_rhs): Preserve the histogram
1403         and the eh region information.
1404         * value-prof.c (gimple_move_stmt_histograms): New function.
1405         * value-prof.h (gimple_move_stmt_histograms): New function declaration.
1406
1407 2008-05-28  Andreas Tobler  <a.tobler@schweiz.org>
1408
1409         * config/pa/pa.md: Remove extern frame_pointer_needed declaration.
1410
1411 2008-05-28  Seongbae Park <seongbae.park@gmail.com>
1412
1413         * value-prof.c (tree_ic_transform): Print counts.
1414         * tree-profile.c (tree_gen_ic_func_profiler):
1415         Clear __gcov_indreict_call_callee variable to avoid misattribution
1416         of the profile.
1417
1418 2008-05-28  Rafael Espindola  <espindola@google.com>
1419
1420         * see.c (see_def_extension_not_merged): Use copy_rtx_if_shared to avoid
1421         invalid sharing.
1422
1423 2008-05-28  Richard Guenther  <rguenther@suse.de>
1424
1425         PR tree-optimization/36339
1426         * tree-ssa-alias.c (set_initial_properties): Move pt_anything
1427         and clobbering code out of the loop.
1428
1429 2008-05-28  Andreas Krebbel  <krebbel1@de.ibm.com>
1430
1431         * config/s390/constraints.md ('b', 'C', 'D', 'e'): New constraint
1432         letters defined.
1433
1434         * config/s390/s390.c (s390_compare_and_branch_condition_mask,
1435         s390_contiguous_bitmask_p, s390_symref_operand_p,
1436         s390_check_symref_alignment, s390_reload_larl_operand,
1437         s390_reload_symref_address): New functions.
1438         (s390_branch_condition_mnemonic): Support compare and branch
1439         instructions.
1440         (s390_mem_constraint): Avoid symrefs to accepted by the 'T'
1441         and 'W' constraints.
1442         (s390_secondary_reload): Add secondary reloads for unaligned
1443         symbol refs or symbol refs to floating point or QI/TI mode
1444         integer values.
1445         (legitimate_address_p): Accept symbol references as addresses.
1446         (s390_expand_insv): Use rotate and insert selected bits
1447         instruction for insv when building for z10.
1448         (print_operand_address): Handle symbol ref addresses.
1449         (print_operand): Output modifier 'c' added for signed byte values.
1450         (s390_encode_section_info): Mark symbol refs with
1451         SYMBOL_FLAG_NOT_NATURALLY_ALIGNED if appropriate.
1452
1453         * config/s390/s390.md (SIL,RRS,RIS): New instruction formats added.
1454         (length attribute): RRF, RRR have 4 byte length.
1455         (FPALL, INTALL): New mode iterators added.
1456         (*tstdi_sign, *cmpdi_ccs_sign, *cmpsi_ccs_sign,
1457         *cmp<mode>_ccs, *cmpdi_ccu_zero, *cmpdi_ccu, *cmpsi_ccu, *cmphi_ccu,
1458         *movdi_64, *movsi_zarch, *movhi, movmem<mode>, *movmem_short,
1459         *extendsidi2, *extendhidi2_extimm, *extendhisi2_extimm,
1460         *zero_extendsidi2, adddi3, *adddi3_31z, *adddi3_31, addsi3,
1461         *add<mode>3, *add<mode>3_carry1_cc, *add<mode>3_carry2_cc,
1462         *add<mode>3_cc, *add<mode>3_imm_cc, *muldi3_sign, muldi3,
1463         *mulsi3_sign, mulsi3, mulsidi3): Patterns enhanced with z10
1464         instructions.
1465         (*cmphi_ccs_z10, *cmpdi_ccs_signhi_rl, *cmpsi_ccu_zerohi_rlsi,
1466         *cmp<GPR:mode>_ccu_zerohi_rldi, *cmp_and_br_signed_<mode>,
1467         *cmp_and_br_unsigned_<mode>, reload<INTALL:mode><P:mode>_tomem_z10,
1468         reload<INTALL:mode><P:mode>_toreg_z10,
1469         reload<FPALL:mode><P:mode>_tomem_z10,
1470         reload<FPALL:mode><P:mode>_toreg_z10,
1471         reload<P:mode>_larl_odd_addend_z10, *execute_rl, *insv<mode>_z10,
1472         *insv<mode>_z10_noshift, *insv<mode>_or_z10_noshift,
1473         *zero_extendhi<mode>2_z10, *cmp_and_trap_signed_int<mode>,
1474         *cmp_and_trap_unsigned_int<mode>, prefetch): New pattern or expander
1475         definition.
1476         (movmem, clrmem, cmpmem): New splitters added.
1477
1478         * config/s390/predicates.md (larl_operand): Use
1479         SYMBOL_REF_FLAGS (op) & SYMBOL_FLAG_ALIGN1 replaced with
1480         SYMBOL_REF_ALIGN1_P.
1481         (s390_signed_integer_comparison,
1482         s390_unsigned_integer_comparison): New predicates.
1483
1484         * config/s390/s390-protos.h (s390_check_symref_alignment,
1485         s390_contiguous_bitmask_p, s390_reload_larl_operand,
1486         s390_reload_symref_address,
1487         s390_compare_and_branch_condition_mask): Prototypes added.
1488
1489         * config/s390/s390.h (TARGET_MEM_CONSTRAINT,
1490         SYMBOL_REF_ALIGN1_P, SYMBOL_FLAG_NOT_NATURALLY_ALIGNED,
1491         SYMBOL_REF_NOT_NATURALLY_ALIGNED_P): Macro definition added.
1492
1493 2008-05-28  Andreas Krebbel  <krebbel1@de.ibm.com>
1494
1495         * config/s390/s390.c (z10_cost): New cost function for z10.
1496         (s390_handle_arch_option, override_options): Support -march=z10 switch.
1497         (s390_issue_rate): Adjust issue rate for z10.
1498         * config/s390/s390.h (processor_type): Add PROCESSOR_2097_Z10.
1499         (processor_flags): Add PF_Z10.
1500         (TARGET_CPU_Z10, TARGET_Z10): New macro definitions.
1501         * config/s390/s390.md (cpu, cpu_facility attributes): Add z10.
1502         * gcc/config.gcc: Add z10.
1503
1504 2008-05-28  Richard Guenther  <rguenther@suse.de>
1505
1506         PR tree-optimization/36291
1507         * tree-flow. h (struct gimple_df): Remove var_anns member.
1508         * tree-flow-inline.h (gimple_var_anns): Remove.
1509         (var_ann): Simplify.
1510         * tree-dfa.c (create_var_ann): Simplify.
1511         (remove_referenced_var): Clear alias info from var_anns of globals.
1512         * tree-ssa.c (init_tree_ssa): Do not allocate var_anns.
1513         (delete_tree_ssa): Clear alias info from var_anns of globals.
1514         Do not free var_anns.
1515         (var_ann_eq): Remove.
1516         (var_ann_hash): Likewise.
1517
1518 2008-05-28  Mark Shinwell  <shinwell@codesourcery.com>
1519
1520         * config/mips/mips.c (mips_cpu_info_table): Add loongson2e
1521         and loongson2f entries.
1522         (mips_rtx_cost_data): Add entries for Loongson-2E/2F.
1523         * config/mips/mips.h (processor_type): Add Loongson-2E
1524         and Loongson-2F entries.
1525         (TARGET_LOONGSON_2E, TARGET_LOONGSON_2F, TARGET_LOONGSON_2EF): New.
1526         (MIPS_ISA_LEVEL_SPEC): Handle Loongson-2E/2F.
1527         * config/mips/mips.md (define_attr cpu): Add loongson2e and loongson2f.
1528         * doc/invoke.texi (MIPS Options): Document loongson2e
1529         and loongson2f processor names.
1530
1531 2008-05-27  H.J. Lu  <hongjiu.lu@intel.com>
1532
1533         PR target/35767
1534         PR target/35771
1535         * config/i386/i386.c (ix86_function_arg_boundary): Use
1536         alignment of canonical type.
1537         (ix86_expand_vector_move): Check unaligned memory access for
1538         all SSE modes.
1539
1540 2008-05-27  H.J. Lu  <hongjiu.lu@intel.com>
1541
1542         * dwarf2out.c (current_fde): Change return type to dw_fde_ref.
1543         Moved to the front of file.
1544
1545 2008-05-27  Xuepeng Guo  <xuepeng.guo@intel.com>
1546             H.J. Lu  <hongjiu.lu@intel.com>
1547
1548         * dwarf2out.c (current_fde): New.
1549         (add_cfi): Use it.
1550         (lookup_cfa:): Likewise.
1551         (dwarf2out_end_epilogue): Likewise.
1552         (dwarf2out_note_section_used): Likewise.
1553
1554 2008-05-27  Michael Matz  <matz@suse.de>
1555
1556         PR c++/27975
1557         * c.opt (Wenum-compare): New warning option.
1558         * doc/invoke.texi  (Warning Options): Document -Wenum-compare.
1559
1560 2008-05-27  Michael Matz  <matz@suse.de>
1561
1562         PR middle-end/36326
1563         * tree-gimple.c (is_gimple_mem_rhs): Remove work-around for
1564         non-BLKmode types.
1565         * tree-tailcall.c (find_tail_calls): Don't mark calls storing
1566         into memory as tail calls.
1567
1568 2008-05-27  Richard Guenther  <rguenther@suse.de>
1569
1570         PR tree-optimization/36339
1571         * tree-ssa-alias.c (set_initial_properties): Escaped pt_anything
1572         pointers cause all addressable variables to be call clobbered.
1573
1574 2008-05-27  Richard Guenther  <rguenther@suse.de>
1575
1576         PR tree-optimization/36245
1577         * tree-ssa-address.c (add_to_parts): Deal with non-pointer bases.
1578
1579 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
1580
1581         * config/s390/s390.md: Replace all occurences of the 'm'
1582         constraint with 'RT'.
1583
1584 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
1585
1586         * config/s390/s390.md ("cpu_facility", "enabled"): Attribute
1587         definitions added.
1588         ("*movdi_64dfp", "*movdi_64extimm", "*movdi_64"): Merged into
1589         "*movdi_64".
1590         ("*anddi3_extimm", "*anddi3"): Merged into "*anddi3".
1591         ("*iordi3_extimm", "*iordi3"): Merged into "*iordi3".
1592         ("*xordi3_extimm", "*xordi3"): Merged into "*xordi3".
1593
1594 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
1595
1596         * reload.c: (find_reloads): Skip alternatives according to the
1597         "enabled" attribute. Constify the constraint variable.
1598         * recog.c (get_attr_enabled): Add default implementation.
1599         (extract_insn): Set the alternative_enabled_p array
1600         in the recog_data struct.
1601         (preprocess_constraints, constrain_operands): Skip
1602         alternatives according to the "enabled" attribute
1603         * recog.h (struct recog_data): New field alternative_enabled_p.
1604         (skip_alternative): New inline function.
1605         * regclass.c: (record_operand_costs): Check the "enabled" attribute.
1606         (record_reg_classes): Skip alternative according to the
1607         "enabled" attribute.
1608
1609         * doc/md.texi: Add documention for the "enabled" attribute.
1610
1611 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
1612
1613         * defaults.h (TARGET_MEM_CONSTRAINT): New target macro added.
1614         * postreload.c (reload_cse_simplify_operands): Replace 'm'
1615         constraint with TARGET_MEM_CONSTRAINT.
1616         * recog.c (asm_operand_ok, preprocess_constraints,
1617         constrain_operands): Likewise.
1618         * regclass.c (record_reg_classes): Likewise.
1619         * reload.c (find_reloads, alternative_allows_const_pool_ref): Likewise.
1620         * reload1.c (maybe_fix_stack_asms): Likewise.
1621         * stmt.c (parse_output_constraint, parse_input_constraint): Likewise.
1622         * recog.h: Adjust comment.
1623         * genpreds.c (generic_constraint_letters): Remove 'm' constraint.
1624         * genoutput.c (note_constraint): Don't emit error for 'm' constraint.
1625         * doc/md.texi: Add a note to description of 'm' constraint.
1626         * doc/tm.texi: Document the new TARGET_MEM_CONSTRAINT macro.
1627
1628 2008-05-27  Eric Botcazou  <ebotcazou@adacore.com>
1629
1630         * tree-sra.c (sra_type_can_be_decomposed_p) <RECORD_TYPE>: Make sure
1631         that the bitfield is of integral type before testing its precision.
1632
1633 2008-05-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
1634             Sa Liu  <saliu@de.ibm.com> 
1635
1636         * config/spu/spu.c (spu_init_libfuncs): Add __multi3, __divti3, 
1637         __modti3, __udivti3, __umodti3 and __udivmodti4.
1638         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add files
1639         that implement TImode mul and div functions.
1640         * config/spu/multi3.c: New. Implement __multi3.
1641         * config/spu/divmodti4.c: New. Implement _udivmodti4 and others.
1642         * testsuite/gcc.target/spu/muldivti3.c: New. Test TImode mul and div
1643         functions on SPU.
1644
1645 2008-05-26  Steven Bosscher  <stevenb.gcc@gmail.com>
1646
1647         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Generate
1648         new tls_gd_* and tls_ld_* insns instead of an insn sequence.
1649         * config/rs6000/rs6000.md (TLSmode, tls_abi_suffix, tls_insn_suffix,
1650         tls_sysv_suffix): New mode and mode attribute iterators.
1651         (tls_gd_32, tls_gd_64, tls_ld_32, tls_ld_64): Remove.
1652         (lts_gd_aix*, tls_gd_sysv*, tls_ld_aix*, tls_ld_sysv*): New patterns.
1653         (tls_dtprel_*, tls_dtprel_ha_*, tls_dtprel_lo_*, tls_got_dtprel_*,
1654         tls_tprel_*, tls_tprel_ha_*, tls_tprel_lo_*, tls_got_tprel_*,
1655         tls_tls_*): Merge 32 bit and 64 bit variants using aforementioned
1656         iterators.
1657
1658 2008-05-26  Eric Botcazou  <ebotcazou@adacore.com>
1659
1660         PR tree-optimization/36329
1661         * tree.h (CALL_CANNOT_INLINE_P): Add access check.
1662         * tree-gimple.h (CALL_STMT_CANNOT_INLINE_P): New macro.
1663         * cgraphbuild.c (initialize_inline_failed): Use the latter
1664         macro in lieu of the former.
1665         * ipa-inline.c (cgraph_mark_inline): Likewise.
1666         (cgraph_decide_inlining_of_small_function): Likewise.
1667         (cgraph_decide_inlining): Likewise.
1668         (cgraph_decide_inlining_incrementally): Likewise.
1669
1670 2008-05-26  Tristan Gingold  <gingold@adacore.com>
1671             Anatoly Sokolov  <aesok@post.ru>
1672
1673         * config/avr/avr.md ("call_prologue_saves"): Use hi8(gs())/lo8(gs())
1674         instead of pm_lo8/pm_hi8 to makes this call working on avr6.
1675         * config/avr/avr.c (expand_prologue): Tune "call_prologue" 
1676         optimization for 'avr6' architecture.
1677
1678 2008-05-26  Andy Hutchinson  <hutchinsonandy@aim.com>
1679
1680         PR target/34932
1681         * config/avr/avr.md (*addhi3_zero_extend2): Remove.
1682
1683 2008-05-26  Richard Guenther  <rguenther@suse.de>
1684
1685         * tree-ssa-sccvn.c (expr_has_constants): Declare.
1686         (visit_reference_op_load): Initialize VN_INFO->has_constants properly.
1687
1688 2008-05-26  H.J. Lu  <hongjiu.lu@intel.com>
1689
1690         PR middle-end/36253
1691         * caller-save.c (insert_restore): Verify alignment of spill space.
1692         (insert_save): Likewise.
1693         * cfgexpand.c (LOCAL_ALIGNMENT): Removed.
1694         * defaults.h (LOCAL_ALIGNMENT): New. Provide default.
1695         (STACK_SLOT_ALIGNMENT): Likewise.
1696         * function.c (LOCAL_ALIGNMENT): Removed.
1697         (get_stack_local_alignment): New.
1698         (assign_stack_local): Use it.  Set alignment on stack slot.
1699         (assign_stack_temp_for_type): Use get_stack_local_alignment.
1700         * config/i386/i386.h (LOCAL_ALIGNMENT): Updated.
1701         (STACK_SLOT_ALIGNMENT): New.
1702         * config/i386/i386.c (ix86_local_alignment): Handle caller-save
1703         stack slot in XFmode.
1704
1705         * doc/tm.texi (STACK_SLOT_ALIGNMENT): New.
1706
1707 2008-05-26  Kai Tietz  <kai.tietz@onevision.com>
1708
1709         PR/36321
1710         * config/i386/i386.md (allocate_stack_worker_64): Make sure
1711         argument operand in rax isn't removed.
1712
1713 2008-05-26  Richard Guenther  <rguenther@suse.de>
1714
1715         PR middle-end/36300
1716         * fold-const.c (extract_muldiv_1): Use TYPE_OVERFLOW_WRAPS,
1717         not TYPE_UNSIGNED.  Use TYPE_PRECISION instead of GET_MODE_SIZE.
1718
1719 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
1720
1721         PR bootstrap/36331
1722         * c-cppbuiltin.c (define__GNUC__): Re-add definition of __GNUG__.
1723
1724 2008-05-26  Dominique Dhumieres  <dominiq@lps.ens.fr>
1725
1726         * config/darwin-c.c: Include "incpath.h" instead of "c-incpath.h".
1727         * config/t-darwin: Use "incpath.h" instead of "c-incpath.h".
1728
1729 2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>
1730
1731         * tree-nested.c (convert_tramp_reference) <ADDR_EXPR>: Do not
1732         build a trampoline if we don't want one.
1733         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Do not
1734         return zero for nested functions if we don't want a trampoline.
1735
1736 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
1737
1738         * doc/invoke.texi: Added f77, f77-cpp-input to list of file types.
1739
1740 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
1741
1742         PR fortran/18428
1743         * c.opt: Removed undocumented option '-lang-fortran'.
1744         * c-common.h: Removed global variable 'lang_fortran'.
1745         * c-opts.c (c_common_handle_option): Removed code to handle
1746         option '-lang-fortran'. Updated includes.
1747         * c-cppbuiltin.c (c_cpp_builtins): Removed conditional
1748         definition of '__GFORTRAN__'.
1749         (define__GNUC__): Reimplemented to use BASEVER and
1750         cpp_define_formatted.
1751         (builtin_define_with_value_n): Removed.
1752         * c-incpath.h: Renamed to ...
1753         * incpath.h: ... this.
1754         * c-incpath.c: Renamed to ...
1755         * incpath.c: ... this. Updated includes.
1756         * fix-header.c: Updated includes.
1757         * Makefile.in: Replaced c-incpath.[ch] by incpath.[ch].
1758         (c-cppbuiltin.o): Added dependency on and definition of BASEVER.
1759         (OBJ-archive): Added cppdefault.o, incpath.o and prefix.o.
1760
1761 2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>
1762
1763         * tree.h: Update the table of flags used on tree nodes.
1764         (TREE_NO_TRAMPOLINE): New accessor for static_flag.
1765         (SAVE_EXPR_RESOLVED_P): Use automatically-built access check.
1766         (FORCED_LABEL): Add access check.
1767         (CALL_EXPR_RETURN_SLOT_OPT): Likewise.
1768         (ASM_INPUT_P): Likewise.
1769         (ASM_VOLATILE_P): Likewise.
1770         (EH_FILTER_MUST_NOT_THROW): Access static_flag directly.
1771         (OMP_SECTION_LAST): Access private_flag directly.
1772         (OMP_RETURN_NOWAIT): Likewise.
1773         (OMP_PARALLEL_COMBINED): Likewise.
1774         (OMP_CLAUSE_PRIVATE_DEBUG): Access public_flag directly.
1775         (OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE): Likewise.
1776         * tree-ssa-propagate.c (STMT_IN_SSA_EDGE_WORKLIST): Access
1777         deprecated_flag directly.
1778
1779 2008-05-25  H.J. Lu  <hongjiu.lu@intel.com>
1780
1781         * final.c (frame_pointer_needed): Removed.
1782         * flags.h (frame_pointer_needed): Likewise.
1783
1784         * function.h (rtl_data): Add frame_pointer_needed.
1785         (frame_pointer_needed): New.
1786
1787 2008-05-25  Arthur Loiret  <arthur.loiret@u-psud.fr>
1788
1789         * config.gcc (sh2[lbe]*-*-linux*): Allow target.
1790
1791 2008-05-25  Steven Bosscher  <stevenb.gcc@gmail.com>
1792
1793         * gcse.c (hash_scan_set): Do not pick up a REG_EQUAL value if
1794         SRC is a REG.
1795
1796 2008-05-25  Alan Modra  <amodra@bigpond.net.au>
1797
1798         * c-common.c (strip_array_types): Move function to..
1799         * tree.c: ..here.
1800         (get_inner_array_type): Delete.
1801         * c-common.h (strip_array_types): Move declaration to..
1802         * tree.h: ..here.
1803         (get_inner_array_type): Delete.
1804         * config/i386/i386.c (x86_field_alignment): Use strip_array_types.
1805         * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Likewise.
1806         * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
1807         * config/pa/pa.c (emit_move_sequence): Likewise.
1808
1809 2008-05-24  H.J. Lu  <hongjiu.lu@intel.com>
1810
1811         * config/i386/i386.md (*sse_prologue_save_insn): Set length
1812         attribute to 34.
1813
1814 2008-05-24  Andy Hutchinson  <hutchinsonandy@aim.com>
1815
1816         * function.c: Include target hook for nonlocal_goto frame value.
1817
1818 2008-05-24  Richard Guenther  <rguenther@suse.de>
1819
1820         * tree-dfa.c (refs_may_alias_p): Re-instantiate case that a scalar
1821         variable can be only accessed through a pointer or a union.
1822
1823 2008-05-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1824
1825         * builtins.c (fold_builtin_fpclassify): Fix spelling of FP_INFINITE.
1826         * doc/extend.texi: Likewise.
1827
1828 2008-05-23  DJ Delorie  <dj@redhat.com>
1829
1830         * config/m32c/jump.md (untyped_call): Add.
1831
1832         * config/m32c/m32c.c (m32c_return_addr_rtx): Change pointer type
1833         for A24 to PSImode.
1834         (m32c_address_cost): Detail costs for indirect offsets.
1835
1836 2008-05-23  Rafael Espindola  <espindola@google.com>
1837
1838         * see.c (see_get_extension_data): Don't use SUBREG_REG to test
1839         if a node is a SUBREG.
1840         (see_analyze_one_def): Don't use SUBREG_REG to test if a node
1841         is a SUBREG.
1842
1843 2008-05-23  Paul Brook  <paul@codesourcery.com>
1844             Carlos O'Donell  <carlos@codesourcery.com>
1845
1846         * doc/extend.texi: Clarify use of __attribute__((naked)).
1847         * doc/tm.texi: Document TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
1848         * target.h (gcc_target): Add allocate_stack_slots_for_args.
1849         * function.c (use_register_for_decl): Use
1850         targetm.calls.allocate_stack_slots_for_args.
1851         * target-def.h (TARGET_CALLS): Add TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
1852         * config/arm/arm.c (arm_allocate_stack_slots_for_args): New function.
1853         (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Define.
1854
1855 2008-05-23  Eric Botcazou  <ebotcazou@adacore.com>
1856
1857         * expr.c (highest_pow2_factor) <BIT_AND_EXPR>: New case.
1858
1859 2008-05-23  Steven Munroe  <sjmunroe@us.ibm.com>
1860
1861         * config/rs6000/darwin-ldouble.c (fmsub): Eliminate the full
1862         PACK/UNPACK between FP_SUB_Q and FD_TRUNC so that the result
1863         is only rounded once.
1864
1865 2008-05-23  Richard Guenther  <rguenther@suse.de>
1866
1867         * tree-ssa-operands.c (mark_difference_for_renaming): Use bitmap_xor.
1868
1869 2008-05-23  Uros Bizjak  <ubizjak@gmail.com>
1870             Jakub Jelinek  <jakub@redhat.com>
1871
1872         PR target/36079
1873         * configure.ac: Handle --enable-cld.
1874         * configure: Regenerated.
1875         * config.gcc: Add USE_IX86_CLD to tm_defines for x86 targets.
1876         * config/i386/i386.h (struct machine_function): Add needs_cld field.
1877         (ix86_current_function_needs_cld): New define.
1878         * config/i386/i386.md (UNSPEC_CLD): New unspec volatile constant.
1879         (cld): New isns pattern.
1880         (strmov_singleop, rep_mov, strset_singleop, rep_stos, cmpstrnqi_nz_1,
1881         cmpstrnqi_1, strlenqi_1): Set ix86_current_function_needs_cld flag.
1882         * config/i386/i386.opt (mcld): New option.
1883         * config/i386/i386.c (ix86_expand_prologue): Emit cld insn if
1884         TARGET_CLD and ix86_current_function_needs_cld.
1885         (override_options): Use -mcld by default for 32-bit code if
1886         USE_IX86_CLD.
1887
1888         * doc/install.texi (Options specification): Document --enable-cld.
1889         * doc/invoke.texi (Machine Dependent Options)
1890         [i386 and x86-64 Options]: Add -mcld option.
1891         (Intel 386 and AMD x86-64 Options): Document -mcld option.
1892
1893 2008-05-23  Kai Tietz  <kai.tietz@onevison.com>
1894         * config/i386/i386.c (return_in_memory_32): Add ATTRIBUTE_UNUSED.
1895         (return_in_memory_64): Likewise.
1896         (return_in_memory_ms_64): Likewise.
1897
1898 2008-05-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1899
1900         * builtin-types.def (BT_FN_INT_INT_INT_INT_INT_INT_VAR): New.
1901         * builtins.c (fold_builtin_fpclassify): New.
1902         (fold_builtin_varargs): Handle BUILT_IN_FPCLASSIFY.
1903         * builtins.def (BUILT_IN_FPCLASSIFY): New.
1904         * c-common.c (handle_type_generic_attribute): Adjust to accept
1905         fixed arguments before an elipsis.
1906         (check_builtin_function_arguments): Handle BUILT_IN_FPCLASSIFY.
1907         * doc/extend.texi: Document __builtin_fpclassify.
1908
1909 2008-05-22  Aldy Hernandez  <aldyh@redhat.com>
1910
1911         * omp-low.c (gate_expand_omp_ssa): Remove.
1912         (pass_expand_omp_ssa): Remove.
1913         (gate_expand_omp): Do not check for flag_openmp_ssa.
1914         * common.opt (-fopenmp-ssa): Remove.
1915         * passes.c (init_optimization_passes): Remove pass_expand_omp_ssa.
1916
1917 2008-05-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1918
1919         * config/sh/sh.opt (mfixed-range): New option.
1920         * config/sh/sh-protos.h (sh_fix_range): Declare.
1921         * config/sh/sh.c (sh_fix_range): New function.
1922         * config/sh/sh.h (sh_fixed_range_str): Declare.
1923         (OVERRIDE_OPTIONS): Call sh_fix_range if sh_fixed_range_str
1924         is not empty.
1925         * doc/invoke.texi (SH Options): Document -mfixed-range.
1926
1927 2008-05-22  Kai Tietz  <kai.tietz@onevision.com>
1928
1929         * config/i386/sol2-10.h (SUBTARGET_RETURN_IN_MEMORY): Undefine
1930         it before the redeclaration.
1931
1932 2008-05-22  Anatoly Sokolov <aesok@post.ru>
1933
1934         * config/avr/avr.c (get_sequence_length): Add new function.
1935         (expand_prologue, expand_epilogue): Remove duplicate code.
1936
1937 2008-05-22  Rafael Espindola  <espindola@google.com>
1938
1939         * see.c (see_pre_insert_extensions): Use copy_rtx to avoid invalid rtx
1940         sharing.
1941
1942 2008-05-22  H.J. Lu  <hongjiu.lu@intel.com>
1943
1944         * defaults.h (UNITS_PER_SIMD_WORD): Add scalar mode as argument.
1945         * doc/tm.texi (UNITS_PER_SIMD_WORD): Likewise.
1946
1947         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Replace
1948         UNITS_PER_SIMD_WORD with GET_MODE_SIZE (TYPE_MODE (vectype)).
1949         (vect_update_misalignment_for_peel): Likewise.
1950         (vector_alignment_reachable_p): Likewise.
1951         * tree-vect-transform.c (vectorizable_load): Likewise.
1952         * tree-vectorizer.c (vect_supportable_dr_alignment): Likewise.
1953         (get_vectype_for_scalar_type): Pass mode of scalar_type
1954         to UNITS_PER_SIMD_WORD.
1955
1956         * config/arm/arm.h (UNITS_PER_SIMD_WORD): Updated.
1957         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Likewise.
1958         * config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
1959         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
1960         * config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.
1961
1962 2008-05-22  Ira Rosen  <irar@il.ibm.com>
1963
1964         PR tree-optimization/36293
1965         * tree-vect-transform.c (vect_transform_strided_load): Don't check
1966         if the first load must be skipped because of a gap.
1967
1968 2008-05-22  Richard Guenther  <rguenther@suse.de>
1969
1970         * tree-dfa.c (refs_may_alias_p): Exit early if possible.  Handle
1971         more cases of offset disambiguation that is possible if
1972         strict-aliasing rules apply.
1973         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Use refs_may_alias_p
1974         for basic offset and type-based disambiguation.
1975
1976 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1977
1978         * config/i386/i386.c (ix86_expand_vector_init_one_var): Use
1979         ix86_expand_vector_set on V16QImode for SSE4.1.
1980
1981 2008-05-21  Tom Tromey  <tromey@redhat.com>
1982
1983         * c.opt (Wimport): Mark as undocumented.
1984         * doc/invoke.texi (Option Summary): Don't mention -Wimport or
1985         -Wno-import.
1986         (Warning Options): Likewise.
1987         * doc/cppopts.texi: Don't mention -Wimport.
1988
1989 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
1990
1991         PR tree-optimization/36287
1992         PR tree-optimization/36286
1993         * lambda-code.c (build_access_matrix): Do not use the loop->num
1994         for computing the number of induction variables: use the loop depth
1995         instead.
1996
1997 2008-05-21  Kai Tietz  <kai.tietz@onevision.com>
1998
1999         PR/36280
2000         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Honor
2001         option -f(no-)leading-underscore.
2002
2003 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
2004
2005         * config/i386/i386.c (ix86_expand_vector_init_general): Use
2006         GET_MODE_NUNITS (mode).
2007
2008 2008-05-21  Peter Bergner  <bergner@vnet.ibm.com>
2009
2010         * doc/invoke.texi: Add cpu_type's 464 and 464fp.
2011         (-mmulhw): Add 464 to description.
2012         (-mdlmzb): Likewise.
2013         * config.gcc: Handle --with-cpu=464 and --with-cpu=464fp.
2014         * config/rs6000/rs6000.c (processor_target_table): Add 464 and
2015         464fp entries.
2016         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add 464 and 464fp support.
2017         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include -mcpu=464.
2018         * config/rs6000/rs6000.md: Update comments for 464.
2019
2020 2008-05-21  Janis Johnson  <janis187@us.ibm.com>
2021
2022         * doc/sourcebuild.texi (Test Directives): Add dg-xfail-run-if.
2023
2024 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
2025
2026         * config/i386/sse.md (vec_extractv4sf): Removed.
2027         (vec_extractv2df): Likewise.
2028         (vec_extractv2di): Likewise.
2029         (vec_extractv4si): Likewise.
2030         (vec_extractv8hi): Likewise.
2031         (vec_extractv16qi): Likewise.
2032         (vec_extract<mode>): New.
2033
2034 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
2035
2036         * config/i386/sse.md (vec_setv4sf): Removed.
2037         (vec_setv2df): Likewise.
2038         (vec_setv2di): Likewise.
2039         (vec_setv4si): Likewise.
2040         (vec_setv8hi): Likewise.
2041         (vec_setv16qi): Likewise.
2042         (vec_set<mode>): New.
2043
2044 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
2045
2046         * config/i386/i386.c (ix86_expand_vector_init_general): Remove
2047         goto for vec_concat and vec_interleave.
2048
2049 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
2050
2051         * config/i386/sse.md (vec_initv4sf): Removed.
2052         (vec_initv2df): Likewise.
2053         (vec_initv2di): Likewise.
2054         (vec_initv4si): Likewise.
2055         (vec_initv8hi): Likewise.
2056         (vec_initv16qi): Likewise.
2057         (vec_init<mode>): New.
2058
2059 2008-05-21  Joseph Myers  <joseph@codesourcery.com>
2060
2061         * collect2.c (find_a_file): Use IS_ABSOLUTE_PATH.
2062
2063 2008-05-21  Tom Tromey  <tromey@redhat.com>
2064
2065         * ggc-zone.c (lookup_page_table_if_allocated): New function.
2066         (zone_find_object_offset): Likewise.
2067         (gt_ggc_m_S): Likewise.
2068         (highest_bit): Likewise.
2069         * ggc-page.c (gt_ggc_m_S): New function.
2070         * stringpool.c (string_stack): Remove.
2071         (init_stringpool): Update.
2072         (ggc_alloc_string): Use ggc_alloc.
2073         (maybe_delete_ident): New function.
2074         (ggc_purge_stringpool): Likewise.
2075         (gt_ggc_m_S): Remove.
2076         * ggc-common.c (ggc_protect_identifiers): New global.
2077         (ggc_mark_roots): Call ggc_purge_stringpool.  Use
2078         ggc_protect_identifiers.
2079         * ggc.h (ggc_protect_identifiers): Declare.
2080         (gt_ggc_m_S): Update.
2081         (ggc_purge_stringpool): Declare.
2082         * toplev.c (compile_file): Set and reset ggc_protect_identifiers.
2083         * gengtype.c (write_types_process_field) <TYPE_STRING>: Remove
2084         special case.
2085         (write_root): Cast gt_ggc_m_S to gt_pointer_walker.
2086
2087 2008-05-21  David S. Miller  <davem@davemloft.net>
2088
2089         * config.gcc (sparc-*-linux*): Always include sparc/t-linux in
2090         tmake_file.
2091
2092 2008-05-21  Eric Botcazou  <ebotcazou@adacore.com>
2093
2094         * cfgexpand.c (tree_expand_cfg): Zap the EH throw statement table
2095         once finished.
2096
2097 2008-05-20  David Daney  <ddaney@avtrex.com>
2098
2099         * config/mips/mips.md (UNSPEC_SYNC_NEW_OP_12,
2100         UNSPEC_SYNC_OLD_OP_12, UNSPEC_SYNC_EXCHANGE_12): New define_constants.
2101         (UNSPEC_SYNC_EXCHANGE, UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
2102         UNSPEC_UPDATE_GOT_VERSION): Renumber.
2103         (optab, insn): Add 'plus' and 'minus' to define_code_attr.
2104         (atomic_hiqi_op): New define_code_iterator.
2105         (sync_compare_and_swap<mode>): Call mips_expand_atomic_qihi instead of
2106         mips_expand_compare_and_swap_12.
2107         (compare_and_swap_12): Use MIPS_COMPARE_AND_SWAP_12 instead of
2108         MIPS_COMPARE_AND_SWAP_12_0.  Pass argument to MIPS_COMPARE_AND_SWAP_12.
2109         (sync_<optab><mode>, sync_old_<optab><mode>,
2110         sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
2111         sync_new_nand<mode>): New define_expands for HI and QI mode operands.
2112         (sync_<optab>_12, sync_old_<optab>_12, sync_new_<optab>_12,
2113         sync_nand_12, sync_old_nand_12, sync_new_nand_12): New insns.
2114         (sync_lock_test_and_set<mode>): New define_expand for HI and QI modes.
2115         (test_and_set_12): New insn.
2116         (sync_old_add<mode>, sync_new_add<mode>, sync_old_<optab><mode>,
2117         sync_new_<optab><mode>, sync_old_nand<mode>,
2118         sync_new_nand<mode>, sync_lock_test_and_set<mode>):  Add early
2119         clobber to operand 0 for SI and DI mode insns.
2120         * config/mips/mips-protos.h (mips_gen_fn_6, mips_gen_fn_5,
2121         mips_gen_fn_4): New typedefs.
2122         (mips_gen_fn_ptrs): Define new union type.
2123         (mips_expand_compare_and_swap_12): Remove declaration.
2124         (mips_expand_atomic_qihi): Declare function.
2125         * config/mips/mips.c (mips_expand_compare_and_swap_12): Rename to...
2126         (mips_expand_atomic_qihi): ... this.  Use new generator function
2127         parameter.
2128         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): Add OPS parameter.
2129         (MIPS_COMPARE_AND_SWAP_12_0): Delete macro.
2130         (MIPS_COMPARE_AND_SWAP_12_ZERO_OP, MIPS_COMPARE_AND_SWAP_12_NONZERO_OP,
2131         MIPS_SYNC_OP_12, MIPS_SYNC_OP_12_NOT_NOP,
2132         MIPS_SYNC_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12,
2133         MIPS_SYNC_OLD_OP_12_NOT_NOP, MIPS_SYNC_OLD_OP_12_NOT_NOP_REG,
2134         MIPS_SYNC_OLD_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12_NOT_NOT_REG,
2135         MIPS_SYNC_NEW_OP_12, MIPS_SYNC_NEW_OP_12_NOT_NOP,
2136         MIPS_SYNC_NEW_OP_12_NOT_NOT, MIPS_SYNC_EXCHANGE_12,
2137         MIPS_SYNC_EXCHANGE_12_ZERO_OP, MIPS_SYNC_EXCHANGE_12_NONZERO_OP):
2138         New macros.
2139
2140 2008-05-20  H.J. Lu  <hongjiu.lu@intel.com>
2141
2142         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Add
2143         the missing break.
2144
2145 2008-05-20  Anatoly Sokolov <aesok@post.ru>
2146
2147         * config/avr/avr.h (machine_function): Add 'is_OS_main' field.
2148         * config/avr/avr.c (avr_OS_main_function_p): Add new function.
2149         (avr_attribute_table): Add 'OS_main' function attribute.
2150         (avr_regs_to_save, expand_prologue, expand_epilogue): Handle
2151         functions with 'OS_main' attribute.
2152
2153 2008-05-20  Richard Guenther  <rguenther@suse.de>
2154
2155         PR tree-optimization/35204
2156         * tree-ssa-sccvn.c (extract_and_process_scc_for_name): New
2157         helper, split out from ...
2158         (DFS): ... here.  Make the DFS walk non-recursive.
2159
2160 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
2161             Jan Sjodin  <jan.sjodin@amd.com>
2162
2163         PR tree-optimization/36181
2164         * tree-parloops.c (loop_has_vector_phi_nodes): New.
2165         (parallelize_loops): Don't parallelize when the loop has vector
2166         phi nodes.
2167
2168 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
2169             Sebastian Pop  <sebastian.pop@amd.com>
2170
2171         * tree-loop-linear.c (gather_interchange_stats): Look in the access
2172         matrix, and never look at the tree representation of the memory
2173         accesses.
2174         (linear_transform_loops): Computes parameters and access matrices.
2175         * tree-data-ref.c (compute_data_dependences_for_loop): Returns false
2176         when fails.
2177         (access_matrix_get_index_for_parameter): New.
2178         * tree-data-ref.h (struct access_matrix): New.
2179         (AM_LOOP_NEST_NUM, AM_NB_INDUCTION_VARS, AM_PARAMETERS, AM_MATRIX,
2180         AM_NB_PARAMETERS, AM_CONST_COLUMN_INDEX, AM_NB_COLUMNS,
2181         AM_GET_SUBSCRIPT_ACCESS_VECTOR, AM_GET_ACCESS_MATRIX_ELEMENT,
2182         am_vector_index_for_loop): New.
2183         (struct data_reference): Add field access_matrix.
2184         (DR_ACCESS_MATRIX): New.
2185         (compute_data_dependences_for_loop): Update declaration.
2186         (lambda_collect_parameters, lambda_compute_access_matrices): Declared.
2187         * lambda.h (lambda_vector_vec_p): Declared.
2188         * lambda-code.c: Depend on pointer-set.h.
2189         (lambda_collect_parameters_from_af, lambda_collect_parameters,
2190         av_for_af_base, av_for_af, build_access_matrix,
2191         lambda_compute_access_matrices): New.
2192         * Makefile.in (lambda-code.o): Depend on pointer-set.h.
2193
2194 2008-05-20  Joseph Myers  <joseph@codesourcery.com>
2195
2196         * doc/install.texi2html: Generate gcc-vers.texi in $DESTDIR not
2197         $SOURCEDIR/include.
2198
2199 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
2200             Sebastian Pop  <sebastian.pop@amd.com>
2201
2202         PR tree-optimization/36206
2203         * tree-scalar-evolution.c: Remove enum INSERT_SUPERLOOP_CHRECS,
2204         FOLD_CONVERSIONS.
2205         (instantiate_scev_1): Rename flags to fold_conversions.
2206         Do not check for INSERT_SUPERLOOP_CHRECS, keep SSA_NAMEs defined
2207         outeside instantiation_loop.
2208         * tree-chrec.h (evolution_function_is_affine_in_loop): New.
2209         (evolution_function_is_affine_or_constant_p): Removed.
2210         * tree-data-ref.c (dr_analyze_indices): Replace resolve_mixers with
2211         instantiate_scev.
2212         (analyze_siv_subscript): Pass in the loop nest number.
2213         Call evolution_function_is_affine_in_loop instead of 
2214         evolution_function_is_affine_p.
2215         (analyze_overlapping_iterations): Pass in the loop nest number.
2216
2217 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
2218             Sebastian Pop  <sebastian.pop@amd.com>
2219
2220         PR tree-optimization/36206
2221         * tree-chrec.h (chrec_fold_op): New.
2222         * tree-data-ref.c (initialize_matrix_A): Traverse NOP_EXPR, PLUS_EXPR,
2223         and other trees.
2224
2225 2008-05-20  Nathan Sidwell  <nathan@codesourcery.com>
2226
2227         * c-incpath.c (INO_T_EQ): Do not define on non-inode systems.
2228         (DIRS_EQ): New.
2229         (remove_duplicates): Do not set inode on non-inode systems.
2230         Use DIRS_EQ.
2231
2232 2008-05-20  Sandra Loosemore  <sandra@codesourcery.com>
2233
2234         * config.gcc (tm_file): Update comments about relative pathnames.
2235
2236 2008-05-20  Richard Guenther  <rguenther@suse.de>
2237
2238         * tree-ssa-reassoc.c (fini_reassoc): Use the statistics infrastructure.
2239         * tree-ssa-sccvn.c (process_scc): Likewise.
2240         * tree-ssa-sink.c (execute_sink_code): Likewise.
2241         * tree-ssa-threadupdate.c (thread_through_all_blocks): Likewise.
2242         * tree-vrp.c (process_assert_insertions): Likewise.
2243         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
2244         (perform_tree_ssa_dce): Likewise.
2245         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
2246         (dump_dominator_optimization_stats): Likewise.
2247         * tree-vectorizer.c (vectorize_loops): Likewise.
2248
2249 2008-05-20  Richard Guenther  <rguenther@suse.de>
2250
2251         * tree-vn.c (vn_lookup_with_vuses): Do not use the alias oracle.
2252
2253 2008-05-20  Kai Tietz  <kai.tietz@onevision.com>
2254
2255         * config/i386/i386-protos.h (ix86_return_in_memory): Removed.
2256         (ix86_i386elf_return_in_memory): Likewise.
2257         (ix86_i386interix_return_in_memory): Likewise.
2258         * config/i386/i386-interix.h (TARGET_RETURN_IN_MEMORY): Removed.
2259         (SUBTARGET_RETURN_IN_MEMORY): New.
2260         * config/i386/i386elf.h: Likewise.
2261         * config/i386/ptx4-i.h: Likewise.
2262         * config/i386/sol2-10.h: Likewise.
2263         * config/i386/sysv4.h: Likewise.
2264         * config/i386/vx-common.h: Likewise.
2265         * config/i386/i386.h (TARGET_RETURN_IN_MEMORY): Removed.
2266         * config/i386/i386.c (ix86_return_in_memory): Made static and
2267         make use of optional SUBTARGET_RETURN_IN_MEMORY macro.
2268         (ix86_i386elf_return_in_memory): Removed.
2269         (ix86_i386interix_return_in_memory): Removed.
2270         (TARGET_RETURN_IN_MEMORY): Declared within i386.c only.
2271         * target-def.h (TARGET_RETURN_IN_MEMORY): Remove protection #ifdef.
2272
2273 2008-05-20  Alexandre Oliva  <aoliva@redhat.com>
2274
2275         * cselib.c (cselib_record_sets): Use correct mode for IF_THEN_ELSE.
2276
2277 2008-05-19  Xinliang David Li  <davidxl@google.com>
2278
2279         * tree-ssa-dce.c: Revert patches of 2008-05-17 and 2008-05-18. 
2280         * opts.c: Ditto.
2281         * common.opt: Ditto.
2282         * doc/invoke.texi: Ditto.
2283
2284 2008-05-19  Eric Botcazou  <ebotcazou@adacore.com>
2285
2286         * tree.c (substitute_in_expr) <tcc_vl_exp>: Fix thinko.
2287         (substitute_placeholder_in_expr) <tcc_vl_exp>: Minor tweak.
2288
2289 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
2290
2291         * config/i386/i386.c (ix86_expand_vector_init_concat): Change
2292         sizes of operand array from 8/4 to 4/2.
2293         (ix86_expand_vector_init_general): Change size of operand array
2294         from 32 to 16.  Remove op0, op1 and half_mode.
2295
2296 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
2297
2298         * config/i386/i386.c (ix86_expand_vector_init_concat): New.
2299         (ix86_expand_vector_init_interleave): Likewise.
2300         (ix86_expand_vector_init_general): Use them.  Assert
2301         word_mode == SImode when n_words == 4.
2302
2303 2008-05-19  Uros Bizjak  <ubizjak@gmail.com>
2304
2305         * config/i386/i386.c (ix86_secondary_reload): New static function.
2306         (TARGET_SECONDARY_RELOAD): New define.
2307         * config/i386/i386.h (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
2308         * config/i386/i386.md (reload_outqi): Remove.
2309
2310 2008-05-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2311
2312         PR middle-end/35509
2313         * builtins.c (mathfn_built_in_1): Renamed from mathfn_built_in.
2314         Add `implicit' parameter.  Handle BUILT_IN_SIGNBIT.
2315         (mathfn_built_in): Rewrite in terms of mathfn_built_in_1.
2316         (fold_builtin_classify): Handle BUILT_IN_ISINF_SIGN.
2317         (fold_builtin_1): Likewise.
2318         * builtins.def (BUILT_IN_ISINF_SIGN): New.
2319         c-common.c (check_builtin_function_arguments): Handle
2320         BUILT_IN_ISINF_SIGN.
2321         * doc/extend.texi: Document __builtin_isinf_sign.
2322         * fold-const.c (operand_equal_p): Handle COND_EXPR.
2323
2324 2008-05-18  Eric Botcazou  <ebotcazou@adacore.com>
2325
2326         * tree-ssa-dom.c (tree_ssa_dominator_optimize): If some blocks need
2327         EH cleanup at the end of the pass, search for those that have been
2328         turned into forwarder blocks and do the cleanup on their successor.
2329
2330 2008-05-18  Richard Guenther  <rguenther@suse.de>
2331
2332         * tree-cfg.c (verify_gimple_expr): Allow conversions from
2333         pointers to sizetype and vice versa.
2334
2335 2008-05-18 Xinliang David Li   <davidxl@google.com>
2336
2337         * gcc/tree-ssa-dce.c: Coding style fix.
2338         (check_pow): Documentation comment. 
2339         (check_log): Documenation comment. Coding style fix.
2340         (is_unnecessary_except_errno_call): Ditto.
2341         (gen_conditions_for_pow): Ditto.
2342         (gen_conditions_for_log): Ditto.
2343         (gen_shrink_wrap_conditions): Ditto.
2344         (shrink_wrap_one_built_in_calls): Ditto.
2345         * gcc/doc/invoke.texi: Better documentation string.
2346         * ChangeLog: Fix wrong change log entries from 
2347         May 17 checkin on function call DCE.
2348
2349 2008-05-17  Kaz Kojima  <kkojima@gcc.gnu.org>
2350
2351         * config/sh/sh.c (sh_output_mi_thunk): Update the use of init_flow.
2352
2353 2008-05-17  Kenneth Zadeck <zadeck@naturalbridge.com>
2354
2355         * doc/rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P): Fixed typos.
2356         * df-problems.c (simulation routines): Fixed block comment to
2357         properly say how to add forwards scanning functions.
2358         
2359 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
2360
2361         * tree-inline.c (setup_one_parameter): Remove dead code.
2362
2363 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
2364
2365         * fold-const.c (fold_unary) <CASE_CONVERT>: Fold the cast into
2366         a BIT_AND_EXPR only for an INTEGER_TYPE.
2367
2368 2008-05-17 Xinliang David Li   <davidxl@google.com>
2369
2370         * gcc/tree-ssa-dce.c (cond_dead_built_in_calls): New static variable.
2371         (check_pow, check_log, is_unnecessary_except_errno_call): New 
2372         functions to check for eliminating math functions that are pure 
2373         except for setting errno.
2374         (gen_conditions_for_pow, gen_conditionas_for_log): New functions to
2375         general condition expressions for shrink-wrapping pow/log calls.
2376         (gen_shrink_wrap_conditions): Ditto.
2377         (shrink_wrap_one_built_in_call): Ditto.
2378         (shrink_wrap_conditional_dead_built_in_calls): Ditto.
2379         (mark_operand_necessary): If debugging, output if OP is necessary.
2380         (eliminate_unnecessary_stmts): Eliminate pow, log calls that are
2381         unnecessary.
2382         * gcc/opts.c (decode_options): set flag_tree_builtin_dce to 1 when
2383         opt level >= 2.
2384         * gcc/common.opt: New user flag -ftree-builtin-dce.
2385         * gcc/doc/invoke.texi (-ftree-builtin-dce): New option.
2386
2387 2008-05-16  David S. Miller  <davem@davemloft.net>
2388
2389         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Undef before overriding.
2390         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
2391
2392 2008-05-16  Uros Bizjak  <ubizjak@gmail.com>
2393
2394         PR target/36246
2395         * config/i386/i386.h (SECONDARY_MEMORY_NEEDED_MODE): New define.
2396
2397 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
2398
2399         * ifcvt.c (dead_or_predicable): Rename
2400         df_simulate_one_insn_backwards to df_simulate_one_insn.
2401         * recog.c (peephole2_optimize): Ditto.
2402         * rtl-factoring.c (collect_pattern_seqs, clear_regs_live_in_seq):
2403         Ditto.
2404         * df.h: Rename df_simulate_one_insn_backwards to
2405         df_simulate_one_insn.  and delete df_simulate_one_insn_forwards.
2406         * df-problems.c (df_simulate_artificial_refs_at_top) Reversed
2407         scanning of defs and uses.
2408         (df_simulate_one_insn_backwards): Renamed to df_simulate_one_insn.
2409         (df_simulate_one_insn_forwards): Removed.
2410
2411 2008-05-16  Doug Kwan  <dougkwan@google.com>
2412
2413         * real.c (real_to_decimal, real_to_hexadecimal): Distinguish
2414         QNaN & SNaN.
2415         (real_from_string): Handle NaNs and Inf as approriate.
2416
2417 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
2418
2419         * doc/gty.texi (Source Files Containing Type Information): Note
2420         that headers should appear first in the gtfiles list.
2421
2422 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
2423
2424         * tree.def (COND_EXEC): Properly documented this code.
2425
2426 2008-05-16  Diego Novillo  <dnovillo@google.com>
2427
2428         * dwarf2asm.c (dw2_assemble_integer): Clarify comment.
2429         * tree-nested.c (get_trampoline_type): Set DECL_CONTEXT for
2430         the new field.
2431
2432 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
2433
2434         * tree-ssa-dse (max_stmt_uid): Removed.
2435         (get_stmt_uid, dse_possible_dead_store_p, dse_optimize_stmt, 
2436         tree_ssa_dse): Encapsulate all uses of stmt_ann->uid.
2437         * tree-ssa-sccvn.c (compare_ops, init_scc_vn): Ditto.
2438         * function.h (cfun.last_stmt_uid): New field.
2439         * tree-flow-inline.h (set_gimple_stmt_uid, gimple_stmt_uid,
2440         gimple_stmt_max_uid, set_gimple_stmt_max_uid, inc_gimple_stmt_max_uid):
2441         New functions.
2442         * tree-dfa.c (renumber_gimple_stmt_uids): New function.
2443         (create_stmt_ann): Initialize the ann->uid field.
2444         * tree-ssa-pre.c (compute_avail): Encapsulate the stmt_ann->uid
2445         with new calls.
2446         * tree-flow.h (renumber_gimple_stmt_uids): New function.
2447
2448 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
2449
2450         * tree-flow.h (init_empty_tree_cfg_for_function): Declare.
2451         * tree-cfg.c (init_empty_tree_cfg_for_function): Define.
2452         (init_empty_tree_cfg): Call it.
2453
2454 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
2455
2456         * cfg.c (init_flow): Add argument THE_FUN.  Use it instead of cfun.
2457         Update all users.
2458
2459 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
2460
2461         * doc/invoke.text (-fdump-tree-*-verbose): New option.
2462         * tree-dump.c (dump_options): New verbose option.
2463         * tree-pretty-print.c (dump_phi_nodes, dump_generic_bb_buff):
2464         Add verbose dump.
2465         * tree-pass.h (TDF_VERBOSE): New dump flag.
2466         * print-tree.c (print_node): Added code to be able to print PHI_NODES.
2467         (tree-flow.h): Added include.
2468         * Makefile.in (print-tree.o):  Added TREE_FLOW_H.
2469
2470 2008-05-16  Bernd Schmidt  <bernd.schmidt@analog.com>
2471
2472         * config/bfin/bfin.c (bfin_discover_loops): Delete empty loops.
2473
2474         From Jie Zhang  <jie.zhang@analog.com>
2475         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
2476         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Remove mcpu=bf532-0.3,
2477         mcpu=bf561-none and mcpu=bf561-0.2.
2478         * config/bfin/t-bfin-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
2479         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
2480         * config/bfin/t-bfin-linux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
2481         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
2482         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add BFIN_CPU_UNKNOWN.
2483         * config/bfin/elf.h (STARTFILE_SPEC): Use specific CRT for BF561.
2484         (LIB_SPEC): Use proper linker script for bf561.  Error if no mcpu
2485         option.
2486         * config/bfin/bfin.c (bfin_cpu_type): Set to BFIN_CPU_UNKNOWN.
2487         (cputype_selected): Remove.
2488         (bfin_handle_option): Don't use cputype_selected.
2489         (override_options): When no mcpu option, enable all workarounds.
2490         Don't use bfin_workarounds.
2491         * config/bfin/bfin.h (DRIVER_SELF_SPECS): Don't set default
2492         processor type.
2493         (DEFAULT_CPU_TYPE): Don't define.
2494
2495 2008-05-16  Richard Guenther  <rguenther@suse.de>
2496
2497         * tree-ssa-propagate.c (substitute_and_fold): Fix stmt walking
2498         on deletion of the last stmt.
2499
2500 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2501
2502         * config/i386/i386.c (ix86_expand_vector_init_general): Optimize
2503         V8HImode for SSE2 and V16QImode for SSE4.1.
2504
2505 2008-05-15  Kenneth Zadeck <zadeck@naturalbridge.com>
2506
2507         * cgraph.h (compute_inline_parameters): Made public.
2508         * tree-pass.h (ipa_opt_pass): Removed function_generate_summary,
2509         variable_generate_summary, function_write_summary,
2510         variable_write_summary, variable_read_summary.  Added generate_summary,
2511         write_summary, read_summary.
2512         * cgraphunit.c (cgraph_process_new_functions): Changed call from
2513         pass_ipa_inline.function_generate_summary, to
2514         compute_inline_parameters. 
2515         * ipa-inline.c (compute_inline_parameters): Made public and added
2516         node parameter.
2517         (compute_inline_parameters_for_current): New function.
2518         (pass_inline_param): Now calls compute_inline_parameters_for_current.
2519         (inline_generate_summary): Removed parameter and made to loop over
2520         all cgraph nodes.
2521         (pass_ipa_inline): Updated for new IPA_PASS structure.
2522         * passes.c (execute_ipa_summary_passes): Now is called once per
2523         pass rather than once per node*pass.
2524         
2525 2008-05-15  Anatoly Sokolov <aesok@post.ru>
2526
2527         * config/avr/avr.c (avr_base_arch_macro, avr_have_movw_lpmx_p, 
2528         avr_have_mul_p, avr_asm_only_p): Remove variables.
2529         (avr_override_options): Remove initialization of removed variables.
2530         (avr_file_start):  Convert removed variables to fields of 
2531         'struct base_arch_s *avr_current_arch'. 
2532         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): (Ditto.).
2533         (AVR_HAVE_MUL): (Ditto.).
2534         (AVR_HAVE_MOVW): (Ditto.).
2535         (AVR_HAVE_LPMX): (Ditto.). 
2536         (avr_base_arch_macro, avr_have_movw_lpmx_p, avr_have_mul_p, 
2537         avr_asm_only_p): Remove declaration.
2538
2539 2008-05-15  Diego Novillo  <dnovillo@google.com>
2540
2541         * config/arm/arm.c (arm_return_in_memory): Fix return type.
2542         * config/arm/arm-protos.h (arm_return_in_memory): Likewise.
2543
2544 2008-05-15  Adam Nemet  <anemet@caviumnetworks.com>
2545
2546         PR middle-end/36194
2547         * combine.c (check_conversion): Rename back to check_promoted_subreg.
2548         Don't call record_truncated_value from here.
2549         (record_truncated_value): Turn it into a for_each_rtx callback.
2550         (record_truncated_values): New function.
2551         (combine_instructions): Call note_uses with record_truncated_values.
2552         Change name of check_conversion to check_promoted_subreg. 
2553
2554 2008-05-15  Janis Johnson  <janis187@us.ibm.com>
2555
2556         * doc/sourcebuild.texi: Document support for torture tests.
2557
2558 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
2559
2560         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Add "m" constraint
2561         to alternative 4 of operand 2.
2562
2563 2008-05-15  Richard Guenther  <rguenther@suse.de>
2564
2565         * tree-pass.h (current_pass): Declare.
2566         (get_pass_for_id): Likewise.
2567         * passes.c (passes_by_id, passes_by_id_size): New globals.
2568         (set_pass_for_id): New function.
2569         (get_pass_for_id): Likewise.
2570         (register_one_dump_file): Use set_pass_for_id to populate passes_by_id.
2571         (execute_function_todo): Flush per function statistics.
2572         * toplev.c (compile_file): Init statistics.
2573         (general_init): Do early statistics initialization.
2574         (finalize): Finish statistics.
2575         * statistics.h (statistics_early_init): Declare.
2576         (statistics_init): Likewise.
2577         (statistics_fini): Likewise.
2578         (statistics_fini_pass): Likewise.
2579         (statistics_counter_event): Likewise.
2580         (statistics_histogram_event): Likewise.
2581         * statistics.c: New file.
2582         * Makefile.in (OBJS-common): Add statistics.o.
2583         (statistics.o): Add dependencies.
2584         * doc/invoke.texi (-fdump-statistics): Document.
2585
2586         * tree-ssa-pre.c (compute_antic): Use statistics_histogram_event.
2587         (insert): Likewise.
2588         (execute_pre): Use statistics_counter_event.
2589         * tree-ssa-propagate.c (struct prop_stats_d): Add num_dce field.
2590         (substitute_and_fold): Increment it.  Use statistics_counter_event.
2591
2592 2008-05-15  Diego Novillo  <dnovillo@google.com>
2593
2594         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00893.html
2595
2596         * treestruct.def (TS_STRUCT_FIELD_TAG): Remove.
2597         * tree-ssa-alias.c (new_type_alias): Remove references to
2598         sub-variables from comment.
2599         * tree-ssa-operands.c (swap_tree_operands): Likewise.
2600
2601 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2602
2603         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Set prefix_extra
2604         attribute to 1 only for insertps alternative.
2605
2606 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
2607
2608         * config/bfin/bfin.md (loadbytes): New pattern.
2609         * config/bfin/bfin.c (enum bfin_builtins): Add BFIN_BUILTIN_LOADBYTES.
2610         (bfin_init_builtins): Initialize it.
2611         (bdesc_1arg): Add it.
2612
2613 2008-05-15  Sa Liu  <saliu@de.ibm.com>
2614
2615         * testsuite/gfortran.dg/c_kind_int128_test1.f03: New.
2616         * testsuite/gfortran.dg/c_kind_int128_test2.f03: New.
2617         * testsuite/lib/target-supports.exp: Add
2618         check_effective_target_fortran_integer_16.
2619
2620 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
2621
2622         * config/bfin/bfin.h (TARGET_RETURN_IN_MEMORY): Don't define here.
2623         * config/bfin/bfin-protos.h (bfin_return_in_memory): Don't declare.
2624         * config/bfin/bfin.c (bfin_return_in_memory): Now static.  Return bool.
2625         (TARGET_RETURN_IN_MEMORY): Define.
2626
2627 2008-05-15  Richard Guenther  <rguenther@suse.de>
2628
2629         PR middle-end/36244
2630         * tree-ssa-alias.c (new_type_alias): Do not set TREE_READONLY.
2631         * tree-flow-inline.h (unmodifiable_var_p): Memory tags never
2632         represent unmodifiable vars.
2633
2634 2008-05-15  Richard Guenther  <rguenther@suse.de>
2635
2636         * tree-dfa.c (refs_may_alias_p): Allow all kinds of
2637         INDIRECT_REF and TARGET_MEM_REF.
2638         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2639         TARGET_MEM_REF.
2640
2641 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
2642             H.J. Lu  <hongjiu.lu@intel.com>
2643
2644         * config/i386/sse.md (*vec_concatv2sf_sse4_1): New insn pattern.
2645         (*vec_concatv2si_sse4_1): Use vector_move_operand predicate
2646         for operand 2.  Remove pinsr{q,d} with 0x0 immediate operand from
2647         insn alternatives.  Add missing alternatives.
2648         (*vec_concatv2di_rex64_sse4_1): Likewise.
2649         (*vec_concatv2si_sse2): Use "x" register constraint instead of "Y2".
2650         (*vec_concatv2di_rex64_sse): Rename from *vec_concatv2di_rex64.
2651         Require TARGET_SSE.
2652
2653 2008-05-15  Richard Guenther  <rguenther@suse.de>
2654
2655         PR tree-optimization/36009
2656         PR tree-optimization/36204
2657         * tree-ssa-loop-im.c (tree-ssa-propagate.h): Include.
2658         (determine_invariantness_stmt): Record the loop a store is
2659         always executed in.
2660         * Makefile.in (tree-ssa-loop-im.o): Add tree-ssa-propagate.h
2661         dependency.
2662
2663 2008-05-15  Richard Guenther  <rguenther@suse.de>
2664
2665         PR tree-optimization/34330
2666         * tree-ssa-alias.c (get_smt_for): Only assert that accesses
2667         through the pointer will alias the SMT.
2668
2669 2008-05-14  Andreas Tobler  <a.tobler@schweiz.org>
2670
2671         * config/sparc/sparc.h (NO_PROFILE_COUNTERS): Define as 0.
2672
2673 2008-05-14  H.J. Lu  <hongjiu.lu@intel.com>
2674
2675         * config/i386/sse.md (*sse4_1_pinsrq): Make it 64bit only.
2676
2677 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
2678             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
2679
2680         * optabs.h (optab_index): Add OTI_vashl, OTI_vlshr, OTI_vashr,
2681         OTI_vrotl, OTI_vrotr to support vector/vector shifts.
2682         (vashl_optab): New optab for vector/vector shifts.
2683         (vashr_optab): Ditto.
2684         (vlshr_optab): Ditto.
2685         (vrotl_optab): Ditto.
2686         (vrotr_optab): Ditto.
2687         (optab_subtype): New enum for optab_for_tree_code call.
2688         (optab_for_tree_code): Add enum optab_subtype argument.
2689
2690         * optabs.c (optab_for_tree_code): Take an additional argument to
2691         distinguish between a vector shift by a scalar and vector shift by
2692         a vector.  Make lshr/ashr/ashl/rotl/rotr optabs just vector
2693         shifted by a scalar.  Use vlshr/vashr/vashl/vrotl/vrotr for the
2694         vector shift by a vector.
2695         (expand_widen_pattern_expr): Pass additional argument to
2696         optab_for_tree_code.
2697
2698         * genopinit.c (optabs): Add vashr_optab, vashl_optab, vlshr_optab,
2699         vrotl_optab, vrotr_optab.
2700
2701         * expr.c (expand_expr_real_1): Update calls to
2702         optab_for_tree_code to distinguish between vector shifted by a
2703         scalar and vector shifted by a vector.
2704         * tree-vectorizer.c (supportable_widening_operation): Ditto.
2705         (supportable_narrowing_operation): Ditto.
2706         * tree-vect-analyze.c (vect_build_slp_tree): Ditto.
2707         * tree-vect-patterns.c (vect_pattern_recog_1): Ditto.
2708         * tree-vect-transform.c (vect_model_reduction_cost): Ditto.
2709         (vect_create_epilog_for_reduction): Ditto.
2710         (vectorizable_reduction): Ditto.
2711         (vectorizable_operation): Ditto.
2712         (vect_strided_store_supported): Ditto.
2713         (vect_strided_load_supported): Ditto.
2714         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
2715         * expmed.c (expand_shift): Ditto.
2716
2717         * doc/md.texi (ashl@var{m}3): Document that operand 2 is always a
2718         scalar type.
2719         (ashr@var{m}3): Ditto.
2720         (vashl@var{m}3): Document new vector/vector shift standard name.
2721         (vashr@var{m}3): Ditto.
2722         (vlshr@var{m}3): Ditto.
2723         (vrotl@var{m}3): Ditto.
2724         (vrotr@var{m}3): Ditto.
2725
2726         * config/i386/i386.md (PPERM_SRC): Move PPERM masks here from i386.c.
2727         (PPERM_INVERT): Ditto.
2728         (PPERM_REVERSE): Ditto.
2729         (PPERM_REV_INV): Ditto.
2730         (PPERM_ZERO): Ditto.
2731         (PPERM_ONES): Ditto.
2732         (PPERM_SIGN): Ditto.
2733         (PPERM_INV_SIGN): Ditto.
2734         (PPERM_SRC1): Ditto.
2735         (PPERM_SRC2): Ditto.
2736
2737         * config/i386/sse.md (mulv2di3): Add SSE5 support.
2738         (sse5_pmacsdql_mem): New SSE5 define_and_split that temporarily
2739         allows a memory operand to be the value being added, and split it
2740         to improve vectorization.
2741         (sse5_pmacsdqh_mem): Ditto.
2742         (sse5_mulv2div2di3_low): SSE5 32-bit multiply and extend function.
2743         (sse5_mulv2div2di3_high): Ditto.
2744         (vec_pack_trunc_v8hi): Add SSE5 pperm support.
2745         (vec_pack_trunc_v4si): Ditto.
2746         (vec_pack_trunc_v2di): Ditto.
2747         (sse5_pcmov_<mode>): Remove code that tried to use use
2748         andps/andnps instead of pcmov.
2749         (vec_widen_smult_hi_v4si): If we have SSE5, use the pmacsdql and
2750         pmacsdqh instructions.
2751         (vec_widen_smult_lo_v4si): Ditto.
2752
2753         * config/i386/i386.c (PPERM_SRC): Move PPERM masks to i386.md.
2754         (PPERM_INVERT): Ditto.
2755         (PPERM_REVERSE): Ditto.
2756         (PPERM_REV_INV): Ditto.
2757         (PPERM_ZERO): Ditto.
2758         (PPERM_ONES): Ditto.
2759         (PPERM_SIGN): Ditto.
2760         (PPERM_INV_SIGN): Ditto.
2761         (PPERM_SRC1): Ditto.
2762         (PPERM_SRC2): Ditto.
2763         (ix86_expand_sse_movcc): Move the SSE5 test after the if
2764         true/false tests.
2765         (ix86_expand_int_vcond): If SSE5 generate all possible integer
2766         comparisons.
2767         (ix86_sse5_valid_op_p): Allow num_memory to be negative, which
2768         says ignore whether the last reference is a memory operand.
2769
2770 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
2771             Paolo Bonzini <bonzini at gnu dot org>
2772
2773         * config/rs6000/rs6000.c (bdesc_2arg): Change the names of vector
2774         shift patterns.
2775
2776         * config/rs6000/altivec.md (vashl<mode>3): Rename from ashl<mode>3.
2777         (vlshr<mode>3): Rename from vlshr<mode>3.
2778         (vashr<mode>3): Rename from vashr<mode>3.
2779         (mulv4sf3): Change the names of vector shift patterns.
2780         (mulv4si3): Ditto.
2781         (negv4sf2): Ditt.
2782
2783         * config/spu/spu.c (spu_initialize_trampoline): Rename vector
2784         shift insns.
2785
2786         * config/spu/spu-builtins.def (SI_SHLH): Rename vector shift insns.
2787         (SI_SHLHI): Ditto.
2788         (SI_SHL): Ditto.
2789         (SI_SHLI): Ditto.
2790         (SI_ROTH): Ditto.
2791         (SI_ROTHI): Ditto.
2792         (SI_ROT): Ditto.
2793         (SI_ROTI): Ditto.
2794         (SPU_RL_0): Ditto.
2795         (SPU_RL_1): Ditto.
2796         (SPU_RL_2): Ditto.
2797         (SPU_RL_3): Ditto.
2798         (SPU_RL_4): Ditto.
2799         (SPU_RL_5): Ditto.
2800         (SPU_RL_6): Ditto.
2801         (SPU_RL_7): Ditto.
2802         (SPU_SL_0): Ditto.
2803         (SPU_SL_1): Ditto.
2804         (SPU_SL_2): Ditto.
2805         (SPU_SL_3): Ditto.
2806         (SPU_SL_4): Ditto.
2807         (SPU_SL_5): Ditto.
2808         (SPU_SL_6): Ditto.
2809         (SPU_SL_7): Ditto.
2810
2811         * config/spu/spu.md (v): New iterator macro to add v for vector types.
2812         (floatunssidf2_internal): Change vector/vector shift names.
2813         (floatunsdidf2_internal): Ditto.
2814         (mulv8hi3): Ditto.
2815         (ashrdi3): Ditto.
2816         (ashrti3): Ditto.
2817         (cgt_df): Ditto.
2818         (cgt_v2df): Ditto.
2819         (dftsv): Ditto.
2820         (vashl<mode>3): Rename from ashl<mode>3.
2821         (vashr<mode>3): Rename from ashr<mode>3.
2822         (vlshr<mode>3): Rename from lshr<mode>3.
2823         (vrotl<mode>3): Rename from rotl<mode>3.
2824
2825 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
2826
2827         PR target/36224
2828         * config/i386/sse.md (vec_widen_smult_hi_v4si): Delete, using unsigned
2829         multiply gives the wrong value when doing widening multiplies.
2830         (vec_widen_smult_lo_v4si): Ditto.
2831
2832 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
2833
2834         * optabs.c (prepare_cmp_insn): Changed LCT_PURE_MAKE_BLOCK to
2835         LCT_PURE and LCT_CONST_MAKE_BLOCK to LCT_CONST in calls to
2836         emit_library_call_value. 
2837         * builtins.c (expand_builtin_powi, expand_builtin_memcmp): Ditto.
2838         * tree.h (ECF_LIBCALL_BLOCK): Removed.
2839         * calls.c (initialize_argument_information, precompute_arguments, 
2840         expand_call, emit_library_call_value_1): Remove ECF_LIBCALL_BLOCK.
2841         (precompute_arguments): Removed flags parameter.
2842         * rtl.h (LCT_CONST_MAKE_BLOCK, LCT_PURE_MAKE_BLOCK): Removed.
2843         
2844 2008-05-14  Richard Guenther  <rguenther@suse.de>
2845
2846         * tree-ssa-dse.c (dse_possible_dead_store_p): Remove dead code.
2847         Make sure to register the store if the use is a PHI_NODE.
2848
2849 2008-05-14  Olivier Hainque  <hainque@adacore.com>
2850
2851         * expr.c (expand_expr_real_1) <normal_inner_ref>: Force op0 to
2852         memory if the component is to be referenced in BLKmode according
2853         to get_inner_reference.
2854
2855 2008-05-14  Adam Nemet  <anemet@caviumnetworks.com>
2856
2857         * calls.c (emit_library_call_value_1): Restore code clearing
2858         ECF_LIBCALL_BLOCK to ensure that we only call end_sequence once.
2859
2860 2008-05-14  Olivier Hainque  <hainque@adacore.com>
2861             Nicolas Roche  <roche@adacore.com>
2862
2863         * configure.ac: Add support for a "gcc_subdir" variable in
2864         config-lang.in, to denote a subdirectory where the language/GCC
2865         integration files are to be found.
2866         * configure: Regenerate.
2867
2868 2008-05-14  Ira Rosen  <irar@il.ibm.com>
2869
2870         PR tree-optimization/36098
2871         * tree-vect-analyze.c (vect_analyze_group_access): Set the gap
2872         value for the first load in the group in case of a gap.
2873         (vect_build_slp_tree): Check that there are no gaps in loads.
2874
2875 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
2876
2877         * doc/rtl.texi: Removed reference to REG_NO_CONFLICT notes.
2878         * optabs.c (expand_binop, expand_absneg_bit, expand_unop,
2879         expand_copysign_bit, ): Change call to emit_no_conflict_block to
2880         emit_insn and remove unneeded code to construct extra args.
2881         (emit_no_conflict_block): Removed.
2882         * optabls.h: (emit_no_conflict_block): Removed.
2883         * cse.c (cse_extended_basic_block): Remove search for
2884         REG_NO_CONFLICT note.
2885         * global.c: Removed incorrect comment added in revision 117.
2886         * expr.c (convert_move): Change call to emit_no_conflict_block to
2887         emit_insn.
2888         * recog.c: Change comments so that they do not mention
2889         REG_NO_CONFLICT.
2890         * local_alloc.c (combine_regs): Removed last parameter.
2891         (no_conflict_p): Removed.
2892         (block_alloc): Removed note, no_conflict_combined_regno and set
2893         local vars. Removed all code to process REG_NO_CONFLICT blocks.
2894         (combine_regs): Removed already_dead and code to look for
2895         REG_NO_CONFLICT notes.
2896         * lower_subreg (remove_retval_note): Removed code to look for
2897         REG_NO_CONFLICT block.
2898         (resolve_reg_notes): Removed REG_NO_CONFLICT case.
2899         (resolve_clobber): Remove code to process libcalls that have
2900         REG_NO_CONFLICT notes.
2901         * loop_invariant.c (find_invariant_insn): Removed REG_NO_CONFLICT
2902         case.
2903         * combine.c (can_combine_p, distribute_notes):  Removed
2904         REG_NO_CONFLICT case.
2905         * config/cris/cris.md (movdi pattern): Changed emit_no_conflict_block
2906         to emit_insns.
2907         * config/mn10300/mn10300.md (absdf2, negdf2 patterns): Ditto.
2908         * config/m68k/m68k.md (negdf2, negxf2, absdf2, absxf2 patterns):
2909         Ditto.
2910         * reg-notes.def (NO_CONFLICT): Removed.
2911
2912 2008-05-14  David S. Miller  <davem@davemloft.net>
2913
2914         * config/sparc/sparc.c (sparc_profile_hook): If
2915         NO_PROFILE_COUNTERS, don't generate and pass a label into mcount.
2916         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Define as 1.
2917         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
2918
2919 2008-05-14  Andreas Krebbel  <krebbel1@de.ibm.com>
2920
2921         * cse.c (cse_cc_succs): Invoke delete_insn_and_edges.
2922
2923 2008-05-13  Uros Bizjak  <ubizjak@gmail.com>
2924
2925         PR target/36222
2926         * config/i386/i386.c (ix86_expand_vector_init_general): Rearrange op0
2927         and op1 expansion before vector concat to have less live pseudos.
2928
2929 2008-05-13  H.J. Lu  <hongjiu.lu@intel.com>
2930
2931         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
2932         ix86_expand_vector_set if supported.
2933
2934 2008-05-13  Diego Novillo  <dnovillo@google.com>
2935             Kenneth Zadeck  <zadeck@naturalbridge.com>
2936
2937         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00748.html
2938
2939         * tree.h (init_phinodes, fini_phinodes, release_phi_node,
2940         phinodes_print_statistics, init_ssanames, fini_ssanames,
2941         make_ssa_name, duplicate_ssa_name, duplicate_ssa_name_ptr_info,
2942         release_ssa_name, release_defs, replace_ssa_name_symbol,
2943         ssanames_print_statistics): Move ...
2944         * tree-flow.h: ... here.
2945         * tree-ssanames.c (init_ssanames): Add arguments FN and SIZE.
2946         Use FN instead of cfun.
2947         (make_ssa_name_fn): Rename from make_ssa_name.
2948         (pass_release_ssa_names): Add TODO_dump_func to finish flags.
2949         * tree-flow-inline.h (make_ssa_name): Move from
2950         tree-ssanames.c.  Convert to static inline.  Call make_ssa_name_fn.
2951         * omp-low.c (expand_omp_parallel):
2952         * tree-flow-inline.h (redirect_edge_var_map_result):
2953         * tree-ssa.c (init_tree_ssa): Add argument FN.
2954         Use it instead of cfun.  Update all users.
2955
2956 2008-05-13  Tom Tromey  <tromey@redhat.com>
2957
2958         PR preprocessor/22168:
2959         * doc/cpp.texi (Top): Update menu.
2960         (Alternatives to Wrapper #ifndef): New node.
2961         (Other Directives): Document deprecation.
2962         (Obsolete Features): Remove menu.
2963         (Assertions): Merge node into Obsolete Features.
2964         (Obsolete once-only headers): Move earlier; rename to Alternatives
2965         to Wrapper #ifndef.
2966         * doc/cppopts.texi: Update.
2967         * c.opt (Wdeprecated): Enable for C and ObjC.
2968         * doc/invoke.texi (Option Summary): Move -Wno-deprecated.
2969         (C++ Dialect Options): Move -Wno-deprecated from here to...
2970         (Warning Options): ... here.
2971
2972 2008-05-13  Richard Guenther  <rguenther@suse.de>
2973
2974         PR middle-end/36227
2975         * fold-const.c (fold_sign_changed_comparison): Do not allow
2976         changes in pointer-ness.
2977
2978 2008-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
2979
2980         PR target/24713
2981         * config/sh/sh.c (sh_expand_prologue): Don't clear
2982         RTX_FRAME_RELATED_P for push insns.
2983
2984 2008-05-12  Andy Hutchinson  <hutchinsonandy@aim.com>
2985
2986         * config/avr/avr.h (MAX_OFILE_ALIGNMENT): Define.
2987
2988 2008-05-12  Anatoly Sokolov <aesok@post.ru>
2989
2990         * config/avr/avr.h (machine_function): Add 'is_leaf' field.
2991         * config/avr/avr.c (avr_regs_to_save): Compute 'machine->is_leaf'.
2992         Use 'machine->is_leaf' instead of 'leaf_func_p'.
2993
2994 2008-05-12  H.J. Lu  <hongjiu.lu@intel.com>
2995
2996         * config/i386/sse.md (*sse_concatv4sf): Renamed to ...
2997         (*vec_concatv4sf_sse): This.
2998         (*sse2_concatv2si): Renamed to ...
2999         (*vec_concatv2si_sse2): This.
3000         (*sse1_concatv2si): Renamed to ...
3001         (*vec_concatv2si_sse): This.
3002         (*vec_concatv2di_rex): Renamed to ...
3003         (*vec_concatv2di_rex64): This.
3004         (*vec_concatv2si_sse4_1): New.
3005         (*vec_concatv2di_rex64_sse4_1): Likewise.
3006
3007 2008-05-12  Uros Bizjak  <ubizjak@gmail.com>
3008
3009         PR rtl-optimization/36111
3010         * recog.c (validate_replace_rtx_1): Unshare new RTL expression
3011         that was created for swappable operands.
3012
3013 2008-05-12  Samuel Tardieu  <sam@rfc1149.net>
3014
3015         PR ada/36001
3016         * Makefile.in: Substitute GNATMAKE and GNATBIND.
3017         * configure.ac: Add call to ACX_PROG_GNAT.
3018
3019 2008-05-11  Volker Reichelt  <v.reichelt@netcologne.de>
3020
3021         * optc-gen.awk: Fix comment typo.
3022
3023 2008-05-11  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
3024
3025         * pretty-print.c (pp_integer_with_precision): Use
3026         HOST_LONG_LONG_FORMAT.
3027
3028 2008-05-10  Kenneth Zadeck  <zadeck@naturalbridge.com>
3029
3030         * gcse.c (store_killed_in_insn): Negated call to RTL_CONST_CALL_P.
3031                 
3032 2008-05-10  H.J. Lu  <hongjiu.lu@intel.com>
3033
3034         * config/i386/i386.c (bdesc_ptest): Removed.
3035         (ix86_builtin_type): Add INT_FTYPE_V2DI_V2DI_PTEST.
3036         (bdesc_args): Add __builtin_ia32_ptestz128,
3037         __builtin_ia32_ptestc128 and __builtin_ia32_ptestnzc128.
3038         (ix86_init_mmx_sse_builtins): Updated.
3039         (ix86_expand_args_builtin): Handle INT_FTYPE_V2DI_V2DI_PTEST.
3040         (ix86_expand_builtin): Updated.
3041
3042 2008-05-10  Richard Sandiford  <rdsandiford@googlemail.com>
3043
3044         * tree-cfg.c (valid_fixed_convert_types_p): New function.
3045         (verify_gimple_expr): Handle FIXED_CONVERT_EXPR.
3046
3047 2008-05-10  Uros Bizjak  <ubizjak@gmail.com>
3048
3049         * value-prof.c (interesting_stringop_to_profile): Do not
3050         return early for BUILT_IN_MEMPCPY.
3051
3052 2008-05-09  H.J. Lu  <hongjiu.lu@intel.com>
3053
3054         * calls.c (expand_call): Don't use callgraph to increase
3055         preferred_stack_boundary.
3056
3057         * cgraph.h (cgraph_rtl_info): Use unsigned on
3058         preferred_incoming_stack_boundary.
3059
3060         * final.c (rest_of_clean_state): Use unsigned on
3061         preferred_stack_boundary.
3062
3063 2008-05-09  Tom Tromey  <tromey@redhat.com>
3064
3065         PR preprocessor/22231:
3066         * c-opts.c (sanitize_cpp_opts): Disallow -MG if compilation is
3067         proceeding.
3068
3069 2008-05-09  Uros Bizjak  <ubizjak@gmail.com>
3070
3071         PR tree-optimization/36129
3072         * tree-ssa-ccp.c: Include value-prof.h.
3073         (execute_fold_all_builtins): Call gimple_remove_stmt_histograms if
3074         built-in function was folded to a constant.
3075         * Makefile.in (tree-ssa-ccp.c): Depend on value-prof.h
3076
3077 2008-05-09  Jan Sjodin  <jan.sjodin@amd.com>
3078             Sebastian Pop  <sebastian.pop@amd.com>
3079
3080         * tree-scalar-evolution.c: Document instantiate_scev.
3081         (instantiate_parameters_1): Renamed instantiate_scev_1.
3082         Don't use the same loop for instantiation_loop and evolution_loop.
3083         (instantiate_scev): New.
3084         (instantiate_parameters): Moved...
3085         (resolve_mixers): Update call to instantiate_scev_1 to pass the
3086         same loop twice.  Maintains the semantics for this function.
3087         * tree-scalar-evolution.h (instantiate_scev): Declare.
3088         (instantiate_parameters): ...here.  Now static inline.
3089         * tree-data-ref.c (dr_analyze_indices): Call instantiate_scev
3090         instead of resolve_mixers.
3091
3092 2008-05-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
3093
3094         * rtl-factoring.c (collect_pattern_seqs): Fix typo.
3095
3096 2008-05-09  Tomas Bily  <tbily@suse.cz>
3097
3098         * config/pa/pa.c (reloc_needed): Use CASE_CONVERT.
3099         * tree-cfg.c (verify_expr, verify_gimple_expr): Likewise.
3100         * tree-ssa-structalias.c (get_constraint_for): Likewise.
3101         * c-common.c (c_common_truthvalue_conversion): Likewise.
3102         * tree-object-size.c (compute_object_offset): Likewise.
3103         * tree-inline.c (estimate_num_insns_1): Likewise.
3104         * varasm.c (const_hash_1, compare_constant, copy_constant)
3105         (compute_reloc_for_constant, output_addressed_constants)
3106         (initializer_constant_valid_p): Likewise.
3107         * c-omp.c (check_omp_for_incr_expr): Likewise.
3108         * gimplify.c (gimplify_expr): Likewise.
3109         * c-typeck.c (c_finish_return): Likewise.
3110         * tree-vectorizer.c (supportable_widening_operation)
3111         (supportable_narrowing_operation): Likewise.
3112         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Likewise.
3113         * matrix-reorg.c (can_calculate_expr_before_stmt): Likewise.
3114         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
3115         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info)
3116         (descr_info_loc): Likewise.
3117         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
3118         * fold-const.c (operand_equal_p, make_range, extract_muldiv_1)
3119         (fold_unary): Likewise.
3120         * builtins.c (get_pointer_alignment): Likewise.
3121         * tree-scalar-evolution.c (interpret_rhs_modify_stmt)
3122         (instantiate_parameters_1): Likewise.
3123         * tree.c (expr_align, stabilize_reference): Likewise.
3124         * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
3125         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
3126         * convert.c (strip_float_extensions): Use CONVERT_EXPR_P.
3127         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
3128         * config/alpha/alpha.c (va_list_skip_additions): Likewise.
3129         * c-common.c (c_alignof_expr, check_function_arguments_recurse):
3130         Likewise.
3131         * tree-ssa.c (tree_ssa_useless_type_conversion): Likewise.
3132         * varasm.c (initializer_constant_valid_p, output_constant): Likewise.
3133         * tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from)
3134         (forward_propagate_addr_expr_1, forward_propagate_addr_expr)
3135         (forward_propagate_comparison)
3136         (tree_ssa_forward_propagate_single_use_vars): Likewise.
3137         * cfgexpand.c (discover_nonconstant_array_refs_r): Likewise.
3138         * emit-rtl.c (component_ref_for_mem_expr)
3139         (set_mem_attributes_minus_bitpos): Likewise.
3140         * tree-ssa-phiopt.c (conditional_replacement): Likewise.
3141         * gimplify.c (gimplify_conversion, goa_lhs_expr_p, gimplify_expr):
3142         Likewise.
3143         * c-typeck.c (default_function_array_conversion, build_indirect_ref)
3144         (build_function_call, pointer_diff, build_compound_expr)
3145         (c_finish_return): Likewise.
3146         * tree-vect-analyze.c (vect_determine_vectorization_factor): Likewise.
3147         * matrix-reorg.c (get_inner_of_cast_expr, may_flatten_matrices_1):
3148         Likewise.
3149         * tree-ssa-ifcombine.c (recognize_single_bit_test): Likewise.
3150         * expr.c (is_aligning_offset): Likewise.
3151         * tree-ssa-alias.c (is_escape_site): Likewise.
3152         * tree-stdarg.c (va_list_counter_bump, check_va_list_escapes)
3153         (check_all_va_list_escapes): Likewise.
3154         * tree-ssa-loop-ivopts.c (determine_base_object)
3155         (determine_common_wider_type): Likewise.
3156         * dojump.c (do_jump): Likewise.
3157         * tree-ssa-sccvn.c (simplify_unary_expression): Likewise.
3158         * tree-gimple.c (is_gimple_cast): Likewise.
3159         * fold-const.c (decode_field_reference, )
3160         (fold_sign_changed_comparison, fold_unary, fold_comparison)
3161         (fold_binary): Likewise.
3162         * tree-ssa-alias-warnings.c (find_alias_site_helper)
3163         (already_warned_in_frontend_p): Likewise.
3164         * builtins.c (get_memory_rtx, fold_builtin_next_arg): Likewise.
3165         * tree.c (really_constant_p, get_unwidened): Likewise.
3166         * tree-ssa-loop-niter.c (expand_simple_operations): Likewise.
3167         * tree-ssa-loop-im.c (rewrite_bittest): Likewise.
3168         * tree-vrp.c (register_edge_assert_for_2, register_edge_assert_for_1):
3169         Likewise.
3170         * tree.h (STRIP_NOPS, STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Use
3171         CONVERT_EXPR_P.
3172         (CONVERT_EXPR_P): Define.
3173         (CASE_CONVERT): Define.
3174         
3175 2008-05-08  Kenneth Zadeck  <zadeck@naturalbridge.com>
3176
3177         PR middle-end/36117
3178         * dce.c (deletable_insn_p): Do not delete calls if df_in_progress.
3179         (delete_unmarked_insns): When deleting a call, call
3180         delete_unreachable_blocks.
3181         * rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
3182         RTL_CONST_OR_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P): Fixed doc.
3183
3184 2008-05-08  Richard Guenther  <rguenther@suse.de>
3185
3186         * doc/invoke.texi (-fdump-tree-salias): Remove documentation.
3187         (-ftree-salias): Likewise.
3188         (salias-max-implicit-fields): Remove param documentation.
3189         (salias-max-array-elements): Likewise.
3190         * tree-pass.h (pass_create_structure_vars): Remove.
3191         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): Remove.
3192         (SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
3193         * tree-ssa-alias.c (create_structure_vars): Remove.
3194         (gate_structure_vars): Likewise.
3195         (pass_create_structure_vars): Likewise.
3196         (gate_build_alias): Likewise.
3197         (pass_build_alias): Adjust to run always and dump the function.
3198         * common.opt (ftree-salias): Hide.
3199         * passes.c (init_optimization_passes): Remove
3200         pass_create_structure_vars, adjust comment.
3201         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): Remove.
3202         (PARAM_SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
3203         * opts.c (decode_options): Do not set flag_tree_salias.
3204         (common_handle_option): Add OPT_ftree_salias to the backward
3205         compatibility section.
3206
3207 2008-05-08  Richard Guenther  <rguenther@suse.de>
3208
3209         * tree-flow-inline.h (var_can_have_subvars): Move ...
3210         * tree-ssa-structalias.c (var_can_have_subvars): ... here.
3211         * tree-flow.h (var_can_have_subvars): Remove.
3212         (push_fields_onto_fieldstack): Remove.
3213         (sort_fieldstack): Likewise.
3214         (struct fieldoff): Move ...
3215         * tree-ssa-structalias.c (struct fieldoff): ... here.  Remove
3216         alias_set and base_for_components fields.
3217         (sort_fieldstack): Make static.
3218         (push_fields_onto_fieldstack): Likewise.  Remove code that
3219         handles anything but RECORD_TYPEs.  Remove alias_set and
3220         base_for_components handling.
3221         (create_variable_info_for): Adjust.
3222
3223 2008-05-08  Seongbae Park  <seongbae.park@gmail.com>
3224
3225         * common.opt (Wframe-larger-than=): Shorten the help message
3226         to one line.
3227         * doc/invoke.texi (Wframe-larger-than=): Add more description.
3228
3229 2008-05-08  Rafael Espindola  <espindola@google.com>
3230
3231         * tree-complex.c (expand_complex_div_wide): Don't create CONDs that
3232         trap.
3233         * tree-gimple.c (is_gimple_condexpr): Check that the expression doesn't
3234         trap and that both operands are gimple values.
3235         (canonicalize_cond_expr_cond): Use is_gimple_condexpr.
3236         * gcc/tree-eh.c (tree_could_trap_p): Correctly detect if a comparison
3237         is a fp operation.
3238
3239 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
3240
3241         * read-rtl.c (join_c_conditions): Return the first string if the
3242         two strings are equal.
3243
3244 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
3245
3246         * gensupport.h (pred_data): Add a "num_codes" field.
3247         (add_predicate_code): Declare.
3248         * gensupport.c (add_predicate_code): New function.
3249         (std_pred_table): Add an "allows_const_p" field.
3250         (std_preds): Set this field for predicates that allow RTX_CONST_OBJs.
3251         Remove the (incomplete) list of such codes from the codes field.
3252         (init_predicate_table): Use add_predicate_code.  Add all
3253         RTX_CONST_OBJs if allows_const_p is true.
3254         * genrecog.c (process_define_predicate): Use add_predicate_code.
3255
3256 2008-05-08  David Daney  <ddaney@avtrex.com>
3257             Richard Sandiford  <rsandifo@nildram.co.uk>
3258         
3259         * config/mips/mips.md (mips_expand_compare_and_swap_12): Handle
3260         special case of constant zero operands.
3261         * config/mips/mips.c (mips_expand_compare_and_swap_12): Zero extend
3262         old and new values.  Special case constant zero values.
3263         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP): Skip 'sync' if compare
3264         fails.
3265         (MIPS_COMPARE_AND_SWAP_12): Handle constant zero operands.
3266         (MIPS_COMPARE_AND_SWAP_12_0): New macro.
3267
3268 2008-05-08  Paolo Bonzini  <bonzini@gnu.org>
3269
3270         PR target/36090
3271         * simplify-rtx.c (simplify_plus_minus): Create CONST of
3272         similar RTX_CONST_OBJ before CONST_INT.
3273
3274 2008-05-08  Steve Ellcey  <sje@cup.hp.com>
3275
3276         * stmt.c (expand_stack_restore): Change sa mode if needed.
3277
3278 2008-05-08  Richard Guenther  <rguenther@suse.de>
3279
3280         * config/i386/i386-protos.h (ix86_return_in_memory): Adjust
3281         return type to bool.
3282         (ix86_sol10_return_in_memory): Likewise.
3283         (ix86_i386elf_return_in_memory): Likewise.
3284         (ix86_i386interix_return_in_memory): Likewise.
3285         * config/i386/i386.c (ix86_return_in_memory): Likewise.
3286         (ix86_sol10_return_in_memory): Likewise.
3287         (ix86_i386elf_return_in_memory): Likewise.
3288         (ix86_i386interix_return_in_memory): Likewise.
3289
3290 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
3291
3292         PR bootstrap/36180
3293         * calls.c (compute_argument_block_size ): Add ATTRIBUTE_UNUSED to
3294         fndecl argument.
3295         (emit_library_call_value_1): Add ATTRIBUTE_UNUSED to variable fndecl.
3296         * target-def.h: Check that TARGET_RETURN_IN_MEMORY isn't
3297         declared in front.
3298
3299 2008-05-08  Richard Guenther  <rguenther@suse.de>
3300
3301         * tree-data-ref.c (dr_analyze_alias): Do not set DR_SUBVARS.
3302         * tree-data-ref.h (struct dr_alias): Remove subvars field.
3303         (DR_SUBVARS): Remove.
3304         * tree-dfa.c (dump_subvars_for): Remove.
3305         (debug_subvars_for): Likewise.
3306         (dump_variable): Do not dump subvars.
3307         (remove_referenced_var): Do not remove subvars.
3308         * tree-flow-inline.h (clear_call_clobbered): SFTs no longer exist.
3309         (lookup_subvars_for_var): Remove.
3310         (get_subvars_for_var): Likewise.
3311         (get_subvars_at): Likewise.
3312         (get_first_overlapping_subvar): Likewise.
3313         (overlap_subvar): Likewise.
3314         * tree-flow.h (subvar_t): Remove.
3315         (struct var_ann_d): Remove subvars field.
3316         * tree-ssa-alias.c (mark_aliases_call_clobbered): Remove queued
3317         argument.  Remove special handling of SFTs.
3318         (compute_tag_properties): Likewise.
3319         (set_initial_properties): Likewise.
3320         (compute_call_clobbered): Likewise.
3321         (count_mem_refs): Likewise.
3322         (compute_memory_partitions): Likewise.
3323         (compute_flow_insensitive_aliasing): Likewise.
3324         (setup_pointers_and_addressables): Likewise.
3325         (new_type_alias): Likewise.
3326         (struct used_part): Remove.
3327         (used_portions): Likewise.
3328         (struct used_part_map): Likewise.
3329         (used_part_map_eq): Likewise.
3330         (used_part_map_hash): Likewise.
3331         (free_used_part_map): Likewise.
3332         (up_lookup): Likewise.
3333         (up_insert): Likewise.
3334         (get_or_create_used_part_for): Likewise.
3335         (create_sft): Likewise.
3336         (create_overlap_variables_for): Likewise.
3337         (find_used_portions): Likewise.
3338         (create_structure_vars): Likewise.
3339         * tree.def (STRUCT_FIELD_TAG): Remove.
3340         * tree.h (MTAG_P): Adjust.
3341         (struct tree_memory_tag): Remove base_for_components and
3342         unpartitionable flags.
3343         (struct tree_struct_field_tag): Remove.
3344         (SFT_PARENT_VAR): Likewise.
3345         (SFT_OFFSET): Likewise.
3346         (SFT_SIZE): Likewise.
3347         (SFT_NONADDRESSABLE_P): Likewise.
3348         (SFT_ALIAS_SET): Likewise.
3349         (SFT_UNPARTITIONABLE_P): Likewise.
3350         (SFT_BASE_FOR_COMPONENTS_P): Likewise.
3351         (union tree_node): Remove sft field.
3352         * alias.c (get_alias_set): Remove special handling of SFTs.
3353         * print-tree.c (print_node): Remove handling of SFTs.
3354         * tree-dump.c (dequeue_and_dump): Likewise.
3355         * tree-into-ssa.c (mark_sym_for_renaming): Likewise.
3356         * tree-nrv.c (dest_safe_for_nrv_p): Remove special handling of SFTs.
3357         * tree-predcom.c (set_alias_info): Do not set subvars.
3358         * tree-pretty-print.c (dump_generic_node): Do not handle SFTs.
3359         * tree-ssa-loop-ivopts.c (get_ref_tag): Likewise.
3360         * tree-ssa-operands.c (access_can_touch_variable): Likewise.
3361         (add_vars_for_offset): Remove.
3362         (add_virtual_operand): Remove special handling of SFTs.
3363         (add_call_clobber_ops): Likewise.
3364         (add_call_read_ops): Likewise.
3365         (get_asm_expr_operands): Likewise.
3366         (get_modify_stmt_operands): Likewise.
3367         (get_expr_operands): Likewise.
3368         (add_to_addressable_set): Likewise.
3369         * tree-ssa.c (verify_ssa_name): Do not handle SFTs.
3370         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
3371         * tree-vect-transform.c (vect_create_data_ref_ptr): Do not set subvars.
3372         * tree.c (init_ttree): Remove STRUCT_FIELD_TAG initialization.
3373         (tree_code_size): Remove STRUCT_FIELD_TAG handling.
3374         (tree_node_structure): Likewise.
3375         * tree-ssa-structalias.c (set_uids_in_ptset): Remove special
3376         handling of SFTs.
3377         (find_what_p_points_to): Likewise.
3378
3379 2008-05-08  Sa Liu  <saliu@de.ibm.com>
3380
3381         * config/spu/spu.md: Fixed subti3 pattern.
3382
3383 2008-05-08  Richard Guenther  <rguenther@suse.de>
3384
3385         PR middle-end/36154
3386         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
3387         sure to create a representative for trailing arrays for PTA.
3388
3389 2008-05-08  Richard Guenther  <rguenther@suse.de>
3390
3391         PR middle-end/36172
3392         * fold-const.c (operand_equal_p): Two objects which types
3393         differ in pointerness are not equal.
3394
3395 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
3396
3397         * calls.c (compute_argument_block_size): Add argument tree fndecl.
3398         (OUTGOING_REG_PARM_STACK_SPACE): Add function type argument.
3399         (emit_library_call_value_1): Add new variable fndecl initialized by
3400         NULL_TREE. It should be the decl type of orgfun, but this information
3401         seems not to be available here, so it uses the default calling abi.
3402         * config/arm/arm.c (arm_return_in_memory): Add fntype argumen.
3403         * config/arm/arm.h (RETURN_IN_MEMORY): Replace RETURN_IN_MEMORY
3404         by TARGET_RETURN_IN_MEMORY.
3405         * config/i386/i386-interix.h: Likewise.
3406         * config/i386/i386.h: Likewise.
3407         * config/i386/i386elf.h: Likewise.
3408         * config/i386/ptx4-i.h: Likewise.
3409         * config/i386/sol2-10.h: Likewise.
3410         * config/i386/sysv4.h: Likewise.
3411         * config/i386/vx-common.h: Likewise.
3412         * config/cris/cris.h: Removed #if 0 clause.
3413         * config/arm/arm-protos.h (arm_return_in_memory): Add fntype argument.
3414         * config/i386/i386-protos.h (ix86_return_in_memory): Add fntype
3415         argument.
3416         (ix86_sol10_return_in_memory): Likewise.
3417         (ix86_i386elf_return_in_memory): New.
3418         (ix86_i386interix_return_in_memory): New.
3419         * config/mt/mt-protos.h (mt_return_in_memory): New.
3420         * config/mt/mt.c: Likewise.
3421         * config/mt/mt.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
3422         (RETURN_IN_MEMORY):  Replace by TARGET_RETURN_IN_MEMORY.
3423         * config/bfin/bfin.h: Likewise.
3424         * config/bfin/bfin-protos.h (bfin_return_in_memory): Add fntype
3425         argument.
3426         * config/bfin/bfin.c: Likewise.
3427         * config/pa/pa.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
3428         * config/alpha/unicosmk.h: Likewise.
3429         * config/i386/cygming.h: Likewise.
3430         * config/iq2000/iq2000.h: Likewise.
3431         * config/mips/mips.h: Likewise.
3432         * config/mn10300/mn10300.h: Likewise.
3433         * config/rs6000/rs6000.h: Likewise.
3434         * config/score/score.h: Likewise.
3435         * config/spu/spu.h: Likewise.
3436         * config/v850/v850.h: Likewise.
3437         * defaults.h: Likewise.
3438         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Adjust documentation.
3439         * expr.c (emit_block_move): Adjust use of
3440         OUTGOING_REG_PARM_STACK_SPACE.
3441         * function.c (STACK_DYNAMIC_OFFSET): Adjust use of
3442         OUTGOING_REG_PARM_STACK_SPACE.
3443         * targhooks.c (default_return_in_memory): Remove RETURN_IN_MEMORY.
3444
3445 2008-05-08  Jakub Jelinek  <jakub@redhat.com>
3446
3447         * tree-parloops.c (create_parallel_loop): Set OMP_RETURN_NOWAIT
3448         on OMP_RETURN for OMP_FOR.
3449
3450         PR debug/35896
3451         * dwarf2out.c (dw_expand_expr, common_check): Removed.
3452         (fortran_common): New function.
3453         (gen_variable_die): Call fortran_common instead of common_check,
3454         adjust for it returning tree instead of rtx.  Formatting.
3455
3456 2008-05-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
3457
3458         PR rtl/7335
3459         PR rtl/33826
3460         * see.c (see_copy_insn): Copy new pure const attributes for new call.
3461         * c-decl.c (merge_decls): Ditto.
3462         * postreload.c (record_opr_changes): Change CONST_OR_PURE_CALL_P
3463         to RTL_CONST_OR_PURE_CALL_P.
3464         * tree.c (define_local_buitin): Rename DECL_IS_PURE to DECL_PURE_P.
3465         Initialized DECL_LOOPING_CONST_PURE.
3466         (process_call_operands): Set tree_side_effects properly.
3467         * tree.h (TREE_READONLY_DECL_P): Removed.
3468         (DECL_IS_PURE): Renamed to DECL_PURE_P.
3469         (DECL_LOOPING_OR_CONST_P): New macro.
3470         (struct tree_function_decl): Added looping_const_or_pure_p.
3471         (ECF_*) Renumbered.
3472         (ECF_LOOPING_OR_CONST_P): New macro.
3473         * rtlanal.c (pure_const_p): Removed.
3474         * builtins.c (expand_builtin): Rename DECL_IS_PURE to DECL_PURE_P.
3475         * reorg.c (delete_prior_computation) Changed CONST_OR_PURE_CALL_P
3476         to RTL_CONST_CALL_P.
3477         * ipa-pure-const.c (pure_const_state_e): Added looping field.
3478         (check_decl, check_tree, check_call, scan_function): Initialize
3479         looping.
3480         (analyze_function): Rename DECL_IS_PURE to DECL_PURE_P.
3481         (static_execute): Set looping true for recursive functions.
3482         Undo setting state to IPA_NEITHER for recursive functions.
3483         * cse.c (cse_insn): 
3484         * ifcvt.c (noce_can_store_speculate_p): Changed
3485         CONST_OR_PURE_CALL_P and pure_call_p to RTL_CONST_CALL_P or 
3486         RTL_CONST_OR_PURE_CALL_P.
3487         * dse.c (scan_insn): Ditto.
3488         * local-alloc.c (validate_equiv_mem, memref_used_between_p): Ditto.
3489         * gcse.c (oprs_not_seen_p) Changed CONST_OR_PURE_CALL_P to
3490         RTL_CONST_OR_PURE_CALL_P.
3491         (store_killed_in_insn): Changed CONST_OR_PURE_CALL_P and
3492         pure_call_p to RTL_CONST_CALL_P.
3493         * gimplify.c (gimplify_call_expr): Clear side effects for
3494         non-looping pure and constant calls.
3495         * calls.c (emit_call_1): Set rtl flags from ecf flags.
3496         (flags_from_decl_or_type): Set ecf flags from decl flags.
3497         (initialize_argument_information): Turn off
3498         ECF_LOOPING_CONST_OR_PURE when turning off ECF_CONST.
3499         Change const to pure if callee_copies is true rather than just
3500         turning off const.
3501         (expand_call): Turn off ECF_LOOPING_PURE_CONST_CALL and remove old
3502         way of marking pure calls.
3503         (emit_library_call_value_1): Turn off ECF_LOOPING_PURE_CONST_CALL.
3504         Remove hack that was supposed to fix pr7335 and remove old
3505         way of marking pure calls.
3506         * emit-rtl.c (emit_copy_of_insn_after): Copy RTL_CONST_CALL_P,
3507         RTL_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P.
3508         * cselib.c (cselib_process_insn): Changed CONST_OR_PURE_CALL_P to
3509         RTL_CONST_OR_PURE_CALL_P.
3510         * tree-ssa-pre.c (can_value_number_call): Fixed spacing.
3511         * loop-invariant.c (find_exits, find_invariant_bb): Changed
3512         CONST_OR_PURE_CALL_P to RTL_CONST_OR_PURE_CALL_P.
3513         * sched-deps.c (schedule_analyze): Ditto.
3514         * rtl.h (struct rtx_def): Use call field, unchanging field, and
3515         return_val field of calls to represent pure and const function info.
3516         (CONST_OR_PURE_CALL_P): Deleted macro.
3517         (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
3518         RTL_LOOPING_CONST_OR_PURE_CALL_P, RTL_CONST_OR_PURE_P): New macros.
3519         * tree-inline.c (copy_body_r): Changed TREE_READONLY_DECL_P to
3520         TREE_READONLY.
3521         * tree-optimize.c (execute_fixup_cfg): Added test for
3522         ECF_LOOPING_CONST_OR_PURE.
3523         * c-common.c (handle_pure_attribute): Changed DECL_IS_PURE to
3524         DECL_PURE_P.
3525         * tree-cfg.c (update_call_expr_flags): Do not clear tree side
3526         effects for looping pure or const calls.
3527         (verify_gimple_expr): Added verification code. 
3528         * config/alpha/alpha.c (alpha_legitimize_address,
3529         alpha_emit_xfloating_libcall): Changed CONST_OR_PURE_CALL_P to
3530         RTL_CONST_CALL_P.
3531         * config/s390/s390.c (s390_emit_tls_call_insn): Ditto.
3532         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Ditto.
3533         * config/mips/mips.c (mips_call_tls_get_addr): Ditto.
3534         * cfgrtl.c (need_fake_edge_p): Changed CONST_OR_PURE_CALL_P to
3535         RTL_CONST_OR_PURE_CALL_P.
3536         * dce.c (deletable_insn_p): Allow non looping, non sibling, pure
3537         and const calls to be deleted.
3538
3539 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
3540
3541         PR target/35714
3542         * config/i386/mmx.md (mmx_subv2sf3): New expander.
3543         (*mmx_subv2sf3): Rename from mmx_subv2sf3 insn pattern.
3544         (*mmx_eqv2sf3): Rename from mmx_eqv2sf3 insn pattern.
3545         (mmx_eqv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
3546         to handle nonimmediate operands.
3547         (*mmx_paddwd): Rename from mmx_paddwd insn pattern.
3548         (mmx_paddwd): New expander.  Use ix86_fixup_binary_operands_no_copy
3549         to handle nonimmediate operands.
3550         (*mmx_pmulhrwv4hi3): Rename from mmx_pmulhrwv4hi3 insn pattern.
3551         (mmx_pmulhrwv4hi3): New expander.  Use
3552         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3553         (*sse2_umulv1siv1di3): Rename from sse2_umulv1siv1di3 insn pattern.
3554         (sse2_umulv1siv1di3): New expander.  Use
3555         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3556         (*mmx_eq<mode>3): Rename from mmx_eq<mode>3 insn pattern.
3557         (mmx_eq<mode>3): New expander.  Use
3558         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3559         (*mmx_uavgv8qi3): Rename from mmx_uavgv8qi3 insn pattern.
3560         (mmx_uavgv8qi3): New expander.  Use
3561         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3562         (*mmx_uavgv4hi3): Rename from mmx_uavgv4hi3 insn pattern.
3563         (mmx_uavgv4hi3): New expander.  Use
3564         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3565
3566         * config/i386/sse.md
3567         (sse_movhlps_exp): New expander.  Use ix86_fixup_binary_operands
3568         to handle nonimmediate operands.
3569         (sse_movlhps_exp): New expander.  Use ix86_fixup_binary_operands
3570         to handle nonimmediate operands.
3571         (sse_loadhps_exp): New expander.  Use ix86_fixup_binary_operands
3572         to handle nonimmediate operands.
3573         (sse_loadlps_exp): New expander.  Use ix86_fixup_binary_operands
3574         to handle nonimmediate operands.
3575         (sse2_unpckhpd_exp): New expander.  Use
3576         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3577         (sse2_unpcklpd_exp): New expander.  Use
3578         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3579         (sse_loadhpd_exp): New expander.  Use ix86_fixup_binary_operands
3580         to handle nonimmediate operands.
3581         (sse_loadlpd): New expander.  Use ix86_fixup_binary_operands
3582         to handle nonimmediate operands.
3583         (*sse2_<plusminus_insn><mode>3): Rename from
3584         sse2_<plusminus_insn><mode>3 insn pattern.
3585         (sse2_<plusminus_insn><mode>3): New expander.  Use
3586         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3587         (*sse2_umulv2siv2di3): Rename from sse2_umulv2siv2di3 insn pattern.
3588         (sse2_umulv2siv2di3): New expander.  Use
3589         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3590         (*sse4_1_mulv2siv2di3): Rename from sse4_1_mulv2siv2di3 insn pattern.
3591         (sse4_1_mulv2siv2di3): New expander.  Use
3592         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3593         (*sse2_pmaddwd): Rename from sse2_pmaddwd insn pattern.
3594         (sse2_pmaddwd): New expander.  Use
3595         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3596         (*sse2_eq<mode>3): Rename from sse2_eq<mode>3 insn pattern.
3597         (sse2_eq<mode>3): New expander.  Use
3598         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3599         (*sse4_1_eqv2di3): Rename from sse4_1_eqv2di3 insn pattern.
3600         (sse4_1_eqv2di3): New expander.  Use
3601         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3602         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
3603         (sse2_uavgv16qi3): New expander.  Use
3604         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3605         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
3606         (sse2_uavgv16qi3): New expander.  Use
3607         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3608         (*sse2_uavgv8hi3): Rename from sse2_uavgv8hi3 insn pattern.
3609         (sse2_uavgv8hi3): New expander.  Use
3610         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3611         (*ssse3_pmulhrswv8hi3): Rename from ssse3_pmulhrswv8hi3 insn pattern.
3612         (ssse3_pmulhrswv8hi3): New expander.  Use
3613         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3614         (*ssse3_pmulhrswv4hi3): Rename from ssse3_pmulhrswv4hi3 insn pattern.
3615         (ssse3_pmulhrswv4hi3): New expander.  Use
3616         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3617
3618         (<sse>_vm<plusminus_insn><mode>3): Do not use ix86_binary_operator_ok.
3619         (<sse>_vmmul<mode>3): Ditto.
3620         (divv4sf3): Do not use ix86_fixup_binary_operands_no_copy.
3621         (divv2df3): Ditto.
3622         (ssse3_pmaddubsw128): Use register_operand for operand 1.
3623         (ssse3_pmaddubsw): Ditto.
3624
3625         * config/i386/i386.c (struct_builtin_description)
3626         [IX86_BUILTIN_LOADHPS]: Use CODE_FOR_sse_loadhps_exp.
3627         [IX86_BUILTIN_STOREHPS]: Use CODE_FOR_sse_loadlps_exp.
3628         [IX86_BUILTIN_LOADHPD]: Use CODE_FOR_sse2_loadhpd_exp.
3629         [IX86_BUILTIN_LOADLPD]: Use CODE_FOR_sse2_loadlpd_exp.
3630         [IX86_BUILTIN_MOVHLPS]: Use CODE_FOR_sse_movhlps_exp.
3631         [IX86_BUILTIN_MOVLHPS]: Use CODE_FOR_sse_movlhps_exp.
3632         [IX86_BUILTIN_UNPCKHPD]: Use FOR_sse2_unpckhpd_exp.
3633         [IX86_BUILTIN_UNPCKLPD]: Use FOR_sse2_unpcklpd_exp.
3634         (ix86_fixup_binary_operands): Assert that src1
3635         and src2 must have the same mode when swapped.
3636         (ix86_expand_binop_builtin): Do not use ix86_fixup_binary_operands
3637         and ix86_binary_operator_ok.  Do not force operands in registers
3638         when optimizing.
3639
3640 2008-05-07  Jan Hubicka  <jh@suse.cz>
3641
3642         * cgraph.c (dump_cgraph_node): Update.
3643         * cgraph.h (cgraph_local_info): Break out inline summary.
3644         * cgraphunit.c (cgraph_process_new_functions): Use inliner analysis
3645         hook.
3646         * ipa-inline (inline_summary): New accestor function.
3647         (cgraph_clone_inlined_nodes, cgraph_check_inline_limits,
3648         cgraph_decide_inlining, compute_inline_parameters): Update.
3649         * ipa.c (cgraph_remove_unreachable_nodes): Remove statistics.
3650
3651 2008-05-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
3652
3653         Cleanup ColdFire scheduling support and add V4 pipeline model.
3654
3655         * config/m68k/m68k.md (UNSPEC_TIE): New constant.
3656         (define_attr cpu): Add cfv4 value.
3657         (define_attr type, define_attr type1): Merge into a single 'type'
3658         attribute.  Update all uses.
3659         (define_attr opx_type, define_attr opy_type, define_attr opx_access):
3660         Rearrange and update.  Rename value 'reg' to 'Rn', add value 'FPn'.
3661         Update all uses.
3662         (define_attr opx_mem, define_attr opy_mem): Remove.
3663         (define_attr op_mem): Clean up, update comment.
3664         (define_attr size): Use specific values instead of general int.
3665         (define_attr guess, define_attr split): Remove.  Update all uses.
3666         (movdf_internal, tstsi_internal, tsthi_internal, tstqi_internal,
3667         tst<mode>_68881, pushexthisi_const, movsi_const0_68000_10,
3668         movsi_const0_68040_60, movsi_const0, movsi_cf, movstrictqi_cf,
3669         zero_extendhisi2_cf, zero_extendqisi2_cfv4, cfv4_extendhisi2,
3670         68k_extendhisi2, extendqihi2, cfv4_extendqisi2, 68k_extendqisi2,
3671         floatsi<mode>2_68881, ftrunc<mode>2_68881, ftrunc<mode>2_cf,
3672         fix<mode>qi2_68881, fix<mode>hi2_68881, fix<mode>si2_68881,
3673         adddi_dishl32, addsi3_5200, add<mode>3_floatsi_68881,
3674         add<mode>3_floathi_68881, add<mode>3_floatqi_68881,
3675         add<mode>3_68881, add<mode>3_cf, subdi_dishl32, subsi3,
3676         sub<mode>3_floatsi_68881, sub<mode>3_floathi_68881,
3677         sub<mode>3_floatqi_68881, sub<mode>3_68881, sub<mode>3_cf,
3678         mulhi3, mulhisi3, mulhisisi3_s, mulsi3_68020, mulsi3_cf,
3679         umulhisi3, mulhisisi3_z, mul<mode>3_floatsi_68881,
3680         mul<mode>3_floathi_68881, mul<mode>3_floatqi_68881, fmul<mode>3_cf,
3681         div<mode>3_cf, sqrt<mode>2_cf, abs<mode>2_cf, clzsi2,
3682         one_cmplsi2_5200, subreghi1ashrdi_const32, ashrsi3, lshrsi3,
3683         bsetmemqi, bsetmemqi_ext, bclrmemqi, bclrmemqi_ext,
3684         beq, bne, bgt, blt, bordered, bunordered, buneq, bunge, bungt, bunle,
3685         bunlt, bltgt, tablejump_internal, call, non_symbolic_call_value,
3686         symbolic_call_value_jsr, symbolic_call_value_bsr, link):
3687         Update or set attributes.
3688         (stack_tie): New fake instruction.
3689
3690         * config/m68k/m68k.h (TUNE_CFV4): New macro.
3691         (m68k_sched_attr_size): Update declaration.
3692         (m68k_sched_attr_type2): Remove.
3693         (m68k_sched_address_bypass_p, m68k_sched_indexed_address_bypass_p):
3694         Declare new bypass predicates.
3695
3696         * config/m68k/m68k.c (m68k_sched_issue_rate,
3697         m68k_sched_first_cycle_multipass_dfa_lookahead): Declare hook
3698         implementations.
3699         (TARGET_SCHED_ISSUE_RATE,
3700         TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): Override hooks.
3701         (override_options): Handle scheduling for ColdFire V4 core.
3702         (m68k_expand_prologue): Emit stack_tie.
3703         (enum attr_op_type): Split value 'OP_TYPE_REG' to 'OP_TYPE_RN' and
3704         'OP_TYPE_FPN'.  Update all uses.
3705         (sched_guess_p): Remove.
3706         (sched_address_type): Handle symbolic addresses.
3707         (sched_get_operand): New static function.
3708         (sched_operand_type): Merge into sched_attr_op_type.
3709         (sched_attr_op_type): Handle FP registers, handle quick constants,
3710         update.
3711         (m68k_sched_attr_opx_type, m68k_sched_attr_opy_type): Update.
3712         (m68k_sched_attr_size): Update.  Move logic to ...
3713         (sched_get_attr_size_int): New static function.
3714         (sched_get_opxy_mem_type): New static function.
3715         (m68k_sched_attr_op_mem): Update.
3716         (m68k_sched_attr_type2): Remove.
3717         (sched_cfv4_bypass_data): New static variable.
3718         (m68k_sched_adjust_cost): Handle ColdFire V4 bypass.
3719         (m68k_sched_issue_rate): Implement scheduler hook.
3720         (struct _sched_ib: enabled_p): New field.
3721         (m68k_sched_variable_issue): Update.  Handle V4.
3722         (SCHED_DUMP_TODO, SCHED_DUMP_DONE, SCHED_DUMP_NOTHING,
3723         sched_dump_class_func_t, sched_dump_split_class,
3724         sched_dump_dfa_guess_unit_code, sched_dump_dfa_state,
3725         sched_dump_dfa_class, m68k_sched_dump): Remove.
3726         (m68k_sched_first_cycle_multipass_dfa_lookahead): Implement scheduler
3727         hook.
3728         (m68k_sched_init_global): Remove statisctics dumping, introduce
3729         sanity check that all instructions have pipeline reservations.  Handle
3730         ColdFire V4 core.
3731         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
3732         Handle ColdFire V4 core.
3733         (sched_mem_operand_p, sched_get_reg_operand, sched_get_mem_operand):
3734         New static functions.
3735         (m68k_sched_address_bypass_p): New bypass predicate.
3736         (sched_get_indexed_address_scale): New static function.
3737         (m68k_sched_indexed_address_bypass_p): New bypass predicate.
3738
3739         * cf.md: Update comments.
3740         (define_attr type2): Remove.  Use 'type' attribute instead.
3741         Update all uses.
3742         (cf_ib): Rename to cfv123_ib.  Update all uses.
3743         (cf_oep): Rename to cfv123_oep.  Update all uses.
3744         (cf_chr): Rename to cfv123_chr.  Update all uses.
3745         (cf_mem): Rename to cfv123_mem.  Update all uses.
3746         (cf_mac): Move to more appropriate place.
3747         (cfv123_guess): New automaton and cpu_unit.
3748         (cfv123_*, cfv12_*, cfv1_*, cfv2_*, cfv3_*): Use type attribute.
3749         Update uses of 'size' attribute.  Handle before reload scheduling.
3750         (cfv123_guess): New dummy reservation for unhandled instructions.
3751         (cfv4_*): Pipeline description of ColdFire V4 core.
3752         (ignore): New reservation to handle 'ignore' type.
3753
3754 2008-05-07  Ian Lance Taylor  <iant@google.com>
3755
3756         PR middle-end/36013
3757         * gimplify.c (find_single_pointer_decl_1): Don't look through
3758         indirections.
3759         (find_single_pointer_decl): Adjust comments.
3760
3761 2008-05-07  Jakub Jelinek  <jakub@redhat.com>
3762
3763         PR middle-end/36137
3764         * fold-const.c (fold_binary): Use STRIP_SIGN_NOPS instead of
3765         STRIP_NOPS on arguments even for MIN_EXPR and MAX_EXPR.
3766
3767         PR middle-end/36106
3768         * omp-low.c (expand_omp_atomic_pipeline): Load value using the
3769         integral type rather than floating point, then VIEW_CONVERT_EXPR
3770         to the floating point type.
3771
3772 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
3773
3774         * config/i386/i386.c (ix86_expand_copysign): Force non-zero constant
3775         TFmode op0 to register.
3776
3777 2008-05-07  Alan Modra  <amodra@bigpond.net.au>
3778
3779         * c-decl.c (grokdeclarator): Comment typo.
3780
3781 2008-05-06  Aldy Hernandez  <aldyh@redhat.com>
3782
3783         * tree-flow.h: Remove prototype for computed_goto_p.
3784         * tree-cfg.c (computed_goto_p): Make static.
3785
3786 2008-05-06  H.J. Lu  <hongjiu.lu@intel.com>
3787
3788         PR target/35657
3789         * config/i386/i386.c (contains_128bit_aligned_vector_p): Renamed to ...
3790         (contains_aligned_value_p): This.  Handle _Decimal128.
3791         (ix86_function_arg_boundary): Only align _Decimal128 to its
3792         natural boundary and handle it properly.
3793
3794 2008-05-06  Martin Jambor  <mjambor@suse.cz>
3795
3796         * ipa-cp.c (ipcp_method_orig_node): Renamed to ipcp_get_orig_node.
3797         (ipcp_method_is_cloned): Renamed to ipcp_node_is_clone
3798         (ipcp_method_set_orig_node): Removed.
3799         (ipcp_cval_get_cvalue_type): Removed.
3800         (ipcp_method_get_scale): Renamed to ipcp_get_node_scale.
3801         (ipcp_method_set_scale): Renamed to ipcp_set_node_scale.
3802         (ipcp_cval_set_cvalue_type): Removed.
3803         (ipcp_cval_get_cvalue): Removed.
3804         (ipcp_cval_set_cvalue): Removed.
3805         (ipcp_type_is_const): Renamed to ipcp_lat_is_const.
3806         (ipcp_cval_equal_cvalues): Renamed to ipcp_lats_are_equal
3807         (ipcp_lats_are_equal): Changed parameters to two ipcp_lattice's
3808         (ipcp_cval_meet): Renamed to ipa_lattice_meet
3809         (ipcp_cval_changed): Changed to use ipcp_lat_is_const
3810         (ipcp_method_cval): Renamed to ipcp_get_ith_lattice
3811         (ipcp_get_ith_lattice): Changed parameters.
3812         (ipcp_cval_compute): Renamed to ipcp_lattice_from_jfunc
3813         (ipcp_lattice_from_jfunc): Changed parameters.
3814         (ipcp_redirect): Local lattice pointer instead of lattice type variable.
3815         (ipcp_method_cval_print): Added temporary variable info.
3816         (ipcp_redirect): Removed already unused local variable caller.
3817         (ipcp_redirect): New temporary variable orig_callee_info
3818         (ipcp_redirect): Removed newly unused local variable callee.
3819         (ipcp_redirect): Removed (a bit confusing) local variable type.
3820         (ipcp_insert_stage): Added local variable info.
3821         (ipcp_cval_changed): Renamed to ipcp_lattice_changed, parameters 
3822         renamed too
3823         (ipcp_formal_create): Removed.
3824         (ipcp_method_cval_set): Removed.
3825         (ipcp_propagate_stage): Renamed lattice variables.
3826         (ipcp_method_cval_set_cvalue_type): Removed.
3827         (ipcp_method_cval_print): Renamed to ipcp_print_all_lattices
3828         (ipcp_print_all_lattices): Changed printed strings to refer to 
3829         lattices rather than cvals.
3830         (ipcp_method_cval_init): Renamed to ipcp_initialize_node_lattices
3831         (ipcp_propagate_const): Changed formal parameters.
3832         (build_const_val): Changed formal parameters.
3833         (ipcp_insert_stage): Removed useless variable cvalue
3834         (build_const_val): Changed formal parameters.
3835         (ipcp_method_compute_scale): Renamed to ipcp_compute_node_scale
3836         (ipcp_after_propagate): Renamed to ipcp_change_tops_to_bottom
3837         (ipcp_callsite_param_print): Renamed to ipcp_print_all_jump_functions
3838         (ipcp_profile_mt_count_print): Renamed to ipcp_print_func_profile_counts
3839         (ipcp_print_func_profile_counts): Changed string from "method" to 
3840         "function"
3841         (ipcp_profile_cs_count_print): Renamed to ipcp_print_call_profile_counts
3842         (ipcp_profile_edge_print): Renamed to ipcp_print_edge_profiles
3843         (ipcp_profile_bb_print): Renamed to ipcp_print_bb_profiles
3844         (ipcp_structures_print): Renamed to ipcp_print_all_structures
3845         (ipcp_profile_print): Renamed to ipcp_print_profile_data
3846         (ipcp_lat_is_const): Changed parameters and made inline.
3847         (ipcp_replace_map_create): Renamed to ipcp_create_replace_map
3848         (ipcp_redirect): Renamed to ipcp_need_redirect_p
3849         (ipcp_need_redirect_p): Calls ipcp_lat_is_const instead of using 
3850         the predicate condition directly
3851         (ipcp_propagate_stage): Added local variable args. Removed local
3852         variable callee.  (Both are mere code simplifications.)
3853         (ipcp_method_dont_insert_const): Renamed to
3854         ipcp_node_not_modifiable_p.
3855         (ipcp_node_not_modifiable_p): Made inline.
3856         (ipcp_cloned_create): Renamed to ipcp_init_cloned_node
3857         (ipcp_propagate_const): Renamed to ipcp_propagate_one_const
3858         (ipcp_print_all_lattices): Removed variable cvalue
3859         (ipcp_method_scale_print): Renamed to ipcp_function_scale_print
3860         Updated comments.
3861
3862 2008-05-06  Olivier Hainque  <hainque@adacore.com>
3863
3864         * tree-sra.c (try_instantiate_multiple_fields): Early return
3865         if field has POINTER_TYPE.
3866
3867 2008-05-06  Kai Tietz  <kai.tietz@onevision.com>
3868
3869         * config/i386/i386.c (output_set_got): Fix for x86_64 output_emit_asm
3870         by using 'q' specifier for instruction.
3871         (ix86_file_end): Replaced case TARGET_64BIT_MS_ABI by TARGET_64BIT.
3872
3873 2008-05-06  Anatoly Sokolov <aesok@post.ru>
3874
3875         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
3876         Change mode of zero_extract from QImode to HImode.
3877         (sign bit tests peepholes): (Ditto.).
3878
3879 2008-05-06  Uros Bizjak  <ubizjak@gmail.com>
3880
3881         * config/i386/mmx.md: Remove double backslashes from asm templates.
3882         (*mmx_addv2sf3): Rename from mmx_addv2sf3 insn pattern.
3883         (mmx_addv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
3884         to handle nonimmediate operands.
3885         (*mmx_mulv2sf3): Rename from mmx_mulv2sf3 insn pattern.
3886         (mmx_mulv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
3887         to handle nonimmediate operands.
3888         (*mmx_<code>v2sf3_finite): New insn pattern.
3889         (*mmx_<code>v2sf3): Rename from mmx_<code>v2sf3 insn pattern.
3890         (mmx_<code>v2sf3): New expander.  Use
3891         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3892         (mmx_<plusminus_insn><mode>3): New expander.  Use
3893         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3894         (*mmx_<plusminus_insn><mode>3): New insn pattern.
3895         (mmx_add<mode>3): Removed.
3896         (mmx_ssadd<mode>3): Ditto.
3897         (mmx_usadd<mode>3): Ditto.
3898         (mmx_sub<mode>3): Ditto.
3899         (mmx_sssub<mode>3): Ditto.
3900         (mmx_ussub<mode>3): Ditto.
3901         (*mmx_mulv4hi3): Rename from mmx_mulv4hi3 insn pattern.
3902         (mmx_mulv4hi3): New expander.  Use ix86_fixup_binary_operands_no_copy
3903         to handle nonimmediate operands.
3904         (*mmx_smulv4hi3_highpart): Rename from mmx_smulv4hi3_highpart
3905         insn pattern.
3906         (mmx_smulv4hi3_highpart): New expander.  Use
3907         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3908         (*mmx_umulv4hi3_highpart): Rename from mmx_umulv4hi3_highpart
3909         insn pattern.
3910         (mmx_umulv4hi3_highpart): New expander.  Use
3911         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3912         (*mmx_<code>v4hi3): Rename from mmx_<code>v4hi3 insn pattern.
3913         (mmx_<code>v4hi3): New expander.  Use
3914         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3915         (*mmx_<code>v8qi3): Rename from mmx_<code>v8qi3 insn pattern.
3916         (mmx_<code>v8qi3): New expander.  Use
3917         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3918         (*mmx_<code><mode>3): Rename from mmx_<code><mode>3 insn pattern.
3919         (mmx_<code><mode>3): New expander.  Use
3920         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3921
3922 2008-05-05  Jan Hubicka  <jh@suse.cz>
3923
3924         PR tree-optimization/36118
3925         * passes.c (pass_init_dump_file): Fix dump header.
3926
3927 2008-05-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3928
3929         PR middle-end/36141
3930         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Don't create
3931         VCE for function decls.
3932
3933 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
3934
3935         * config/i386/sse.md (sse2_<plusminus_insn><mode>3): Fix a typo.
3936
3937 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
3938
3939         * config/i386/i386.md (sat_plusminus): New.
3940         (plusminus_insn): Likewise.
3941         (plusminus_mnemonic): Likewise.
3942         (addsub): Removed.
3943         (comm): Add ss_plus, us_plus, ss_minus and us_minus.
3944         (*<addsub><mode>3_cc_overflow): Renamed to ...
3945         (*<plusminus_insn><mode>3_cc_overflow): This.
3946         (*<addsub>si3_zext_cc_overflow): Renamed to ...
3947         (*<plusminus_insn>si3_zext_cc_overflow): This.
3948
3949         * config/i386/sse.md (<addsub><mode>3): Renamed to ...
3950         (<plusminus_insn><mode>3): This.
3951         (*<addsub><mode>3): Renamed to ...
3952         (*<plusminus_insn><mode>3): This.
3953         (<sse>_vm<addsub><mode>3): Renamed to ...
3954         (<sse>_vm<plusminus_insn><mode>3): This.
3955         (sse3_h<addsub>v4sf3): Renamed to ...
3956         (sse3_h<plusminus_insn>v4sf3): This.
3957         (sse3_h<addsub>v2df3): Renamed to ...
3958         (sse3_h<plusminus_insn>v2df3): This.
3959         (<plusminus_insn><mode>3): New.
3960         (*<plusminus_insn><mode>3): Likewise.
3961         (sse2_<plusminus_insn><mode>3): Likewise.
3962         (add<mode>): Removed.
3963         (*add<mode>3): Likewise.
3964         (sse2_ssadd<mode>3): Likewise.
3965         (sse2_usadd<mode>3): Likewise.
3966         (sub<mode>3): Likewise.
3967         (*sub<mode>3): Likewise.
3968         (sse2_sssub<mode>3): Likewise.
3969         (sse2_ussub<mode>3): Likewise.
3970
3971 2008-05-05  Benjamin Kosnik  <bkoz@redhat.com>
3972
3973         * gthr-single.h: Add in required interface elements as per gthr.h.
3974         Add stub types for __gthread_key_t, __gthread_once_t. Add defines
3975         for __GTHREAD_ONCE_INIT, __GTHREAD_RECURSIVE_MUTEX_INIT.
3976         Generalize UNUSED macro. 
3977         (__gthread_once): Add.
3978         (__gthread_key_create): Add.
3979         (__gthread_key_delete): Add.
3980         (__gthread_getspecific): Add.
3981         (__gthread_setspecific): Add.
3982         
3983 2008-05-05  Andrew Pinski  <Andrew.Pinski@playstation.sony.com>
3984
3985         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): If we have
3986         the same size types for the indirect reference on the rhs, then
3987         create a VCE.
3988
3989 2008-05-05  Uros Bizjak  <ubizjak@gmail.com>
3990
3991         * config/i386/i386.md
3992         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit): Use only
3993         one insn template instead of template series.
3994         (*xordi_1_rex64): Ditto.
3995         (*xordi_2_rex64): Ditto.
3996
3997 2008-05-05  Ira Rosen  <irar@il.ibm.com>
3998
3999         PR tree-optimization/36119
4000         * tree-vect-transform.c (vectorizable_assignment): Set NCOPIES to 1
4001         in case of SLP.
4002
4003 2008-06-04  Jan Hubicka  <jh@suse.cz>
4004
4005         tree-optimization/36100
4006         * tree-pass.h (pass_O0_always_inline): Declare.
4007         * ipa-inline.c (inline_transform): Remove dead code.
4008         (cgraph_gate_O0_always_inline, cgraph_O0_always_inline,
4009         pass_O0_always_inline): New.
4010         * passes.c (init_optimization_passes): Add pass_O0_always_inline.
4011
4012 2008-05-04  Kai Tietz  <kai.tietz@onevision.com>
4013
4014         * config/i386/i386.c (x86_output_mi_thunk): Use movq alternative
4015         mnemonic in this_param move for TARGET_64BIT.
4016
4017 2008-05-04  Uros Bizjak  <ubizjak@gmail.com>
4018
4019         * config/i386/i386.md (*strmovsi_1): Simplify asm alternatives.
4020         (*strmovsi_rex_1): Ditto.
4021         (*strsetsi_1): Ditto.
4022         (*strsetsi_rex_1): Ditto.
4023
4024         (add<mode>cc): Macroize expander from addqicc, addhicc, addsicc and
4025         adddicc expanders using SWI mode iterator.
4026
4027 2008-05-04  H.J. Lu  <hongjiu.lu@intel.com>
4028
4029         PR target/36121
4030         * config/i386/i386.c (ix86_expand_special_args_builtin): Remove three
4031         argument handling.
4032
4033 2008-05-04  David S. Miller  <davem@davemloft.net>
4034
4035         * config.gcc (sparc*-*-*): Always set need_64bit_hwint to yes.
4036         (sparc*-*-linux*): Use linux.h in tm_file.
4037         (sparc-*-linux*): If 'enabled_targets' is 'all', build a bi-arch
4038         compiler defaulting to 32-bit.
4039         (sparc*-*-*): Remove explicit target settings of need_64bit_hwint,
4040         no longer needed.
4041         * config/sparc/linux.h: Remove definitions now obtained
4042         properly from linux.h
4043         * config/sparc/linux64.h: Likewise.
4044         (ASM_CPU_DEFAULT_SPEC): Change this to ASM_CPU64_DEFAULT_SPEC, we
4045         don't want this setting for 32-bit builds in a biarch compiler.
4046         * doc/install.texi: Add sparc-linux to list of targets
4047         supporting --enable-targets=all.
4048
4049 2008-05-03  Andrew Pinski  <pinskia@gmail.com>
4050
4051         * Makefile.in (tree-ssa-phiprop.o): Fix dependencies.
4052
4053 2008-05-03  H.J. Lu  <hongjiu.lu@intel.com>
4054
4055         * config/i386/i386.c (ix86_builtin_type): Move V4SI_FTYPE_V4SF
4056         after V4SI_FTYPE_V8HI.
4057         (ix86_init_mmx_sse_builtins): Move case V4HI_FTYPE_V4HI after
4058         case V4SI_FTYPE_V2DF.
4059
4060 2008-05-03  Kenneth Zadeck  <zadeck@naturalbridge.com>
4061
4062         * doc/invoke.texi (max-flow-memory-locations): Removed.
4063         * params.def (PARAM_MAX_FLOW_MEMORY_LOCATIONS): Removed.
4064         
4065 2008-05-03  Richard Guenther  <rguenther@suse.de>
4066
4067         PR middle-end/34973
4068         * opts.c (set_Wstrict_aliasing): Handle the turn-off case.
4069
4070 2008-05-02  David S. Miller  <davem@davemloft.net>
4071
4072         * config.gcc (need_64bit_hwint): Document libcpp dependency.
4073
4074 2008-05-02  Simon Baldwin <simonb@google.com>
4075
4076         PR bootstrap/36108
4077         * c-common.h (warn_array_subscript_range): Removed.
4078         * c-common.c (warn_array_subscript_range): Ditto.
4079         * tree-vrp.c (check_array_ref): Revert to ignoring arrays with size 2.
4080         * c-typeck.c (build_array_ref): Remove warn_array_subscript_range.
4081
4082 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
4083
4084         * config/i386/i386.c (ix86_special_builtin_type): New.
4085         (bdesc_special_args): Likewise.
4086         (ix86_expand_special_args_builtin): Likewise.
4087         (ix86_init_mmx_sse_builtins): Updated.
4088         (ix86_expand_builtin): Updated.
4089         (ix86_expand_store_builtin): Removed.
4090         (ix86_expand_unop_builtin): Likewise.
4091
4092         * config/i386/mm3dnow.h (__v2sf): Moved to ...
4093         * config/i386/mmintrin.h (__v2sf): Here.
4094
4095         * config/i386/xmmintrin.h (_mm_loadh_pi): Replace __v2si with
4096         const __v2sf.
4097         (_mm_loadl_pi): Likewise.
4098         (_mm_storeh_pi): Replace __v2si with __v2sf.
4099         (_mm_storel_pi): Likewise.
4100
4101         * doc/extend.texi: Correct __builtin_ia32_loadhps,
4102         __builtin_ia32_loadlps, __builtin_ia32_storehps,
4103         __builtin_ia32_storelps, __builtin_ia32_loadhpd and
4104         __builtin_ia32_loadlpd.
4105
4106 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
4107
4108         * config/i386/i386.c (ix86_builtin_type): Add FLOAT_FTYPE_FLOAT,
4109         V4SF_FTYPE_V4SF_VEC_MERGE and V2DF_FTYPE_V2DF_VEC_MERGE.
4110         (bdesc_args): Updated.  Add scalar SSE builtins with vec_merge.
4111         (ix86_init_mmx_sse_builtins): Updated.
4112         (ix86_expand_args_builtin): Likewise.
4113         (ix86_expand_builtin): Likewise.
4114         (ix86_expand_unop1_builtin): Renamed to ...
4115         (ix86_expand_unop_vec_merge_builtin): This.
4116
4117 2008-05-01  Jan Hubicka  <jh@suse.cz>
4118
4119         PR bootstrap/36100
4120         * ipa-inline.c (inline_generate_summary): Make static.
4121         (inline_transform): Do not call inlining at -O0; make static.
4122         * passes.c (execute_todo): Add sanity check.
4123         (execute_one_ipa_transform_pass): Execute proper flags.
4124
4125 2008-05-01  Eric Botcazou  <ebotcazou@adacore.com>
4126
4127         * tree.h (TYPE_NONALIASED_COMPONENT): Expand comment.
4128         (DECL_NONADDRESSABLE_P): Likewise.
4129         * alias.c (record_component_aliases): Fix comment.
4130
4131 2008-05-01  Simon Baldwin <simonb@google.com>
4132
4133         * c-common.h (warn_array_subscript_range): New function.
4134         * c-common.c (warn_array_subscript_range): Ditto.
4135         * tree-vrp.c (check_array_ref): Corrected code to agree with
4136         comment, ignoring only arrays of size 0 or size 1.
4137         * c-typeck.c (build_array_ref): Call warn_array_subscript_range.
4138
4139 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
4140
4141         * config/i386/i386.c (ix86_builtin_type): Replace
4142         DI_FTYPE_DI_DI_INT with V1DI2DI_FTYPE_V1DI_V1DI_INT.
4143         (bdesc_args): Updated.
4144         (ix86_init_mmx_sse_builtins): Likewise.
4145         (ix86_expand_args_builtin): Likewise.
4146
4147         * config/i386/tmmintrin.h (_mm_alignr_pi8): Replace long long
4148         with __v1di.
4149
4150         * doc/extend.texi: Correct __builtin_ia32_palignr.
4151
4152 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
4153
4154         PR target/36095
4155         * config/i386/i386.c (bdesc_crc32): Removed.
4156         (ix86_expand_crc32): Likewise.
4157         (ix86_builtin_type): Replace V2DI2TI_FTYPE_V2DI2TI_INT with
4158         V2DI2TI_FTYPE_V2DI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT with
4159         V2DI2TI_FTYPE_V2DI_V2DI_INT.  Add UINT64_FTYPE_UINT64_UINT64,
4160         UINT_FTYPE_UINT_UINT, UINT_FTYPE_UINT_USHORT and
4161         UINT_FTYPE_UINT_UCHAR.
4162         (bdesc_args): Updated. Add crc32 builtins.
4163         (ix86_init_mmx_sse_builtins): Updated.
4164         (ix86_expand_args_builtin): Updated to support subreg.
4165
4166         * doc/extend.texi: Correct __builtin_ia32_crc32di.
4167
4168 2008-05-01  Jan Hubicka  <jh@suse.cz>
4169
4170         * tree-pass.h (opt_pass): Add IPA_PASS.
4171         (varpool_node, cgraph_node): Forward declare.
4172         (ipa_opt_pass): Define.
4173         (pass_ipa_inline): Turn into ipa_opt_pass.
4174         (pass_apply_inline): Remove.
4175         * ipa-inline.c (pass_ipa_inline): Turn into ipa_opt_pass.
4176         (apply_inline): Turn into ....
4177         (inline_transform): ... this one.
4178         (inline_generate_summary): New function.
4179         (pass_apply_inline): Remove.
4180         * function.h (ipa_opt_pass): Forward declare structure; typedef;
4181         vector.
4182         (struct function): Add ipa_transforms_to_apply.
4183         * passes.c (register_one_dump_file): Work on IPA_PASS.
4184         (init_optimization_passes): Remove pass_inline_parameters and
4185         pass_apply_inline.
4186         (pass_init_dump_file, pass_fini_dump_file): Break out from ....
4187         (execute_one_pass) ... here; apply transforms when possible.
4188         (add_ipa_transform_pass, execute_ipa_summary_asses,
4189         execute_one_ipa_transform_pass): New.
4190         (execute_ipa_pass_list): Update for IPA_PASS type.
4191
4192 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
4193
4194         * config/i386/i386.c (ix86_builtin_type): Add
4195         V2DI_FTYPE_V2DI_V16QI, V2DI_FTYPE_V2DI_UINT_UINT and
4196         V2DI_FTYPE_V2DI_V2DI_UINT_UINT.
4197         (bdesc_args): Add SSE4a builtins.
4198         (ix86_init_mmx_sse_builtins): Updated.
4199         (ix86_expand_args_builtin): Likewise.
4200         (ix86_expand_builtin): Likewise.
4201
4202 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
4203
4204         * config/i386/i386.c (ix86_builtin_type): Add
4205         V8HI_FTYPE_V8HI_V8HI_COUNT, V8HI_FTYPE_V8HI_SI_COUNT,
4206         V4SI_FTYPE_V4SI_V4SI_COUNT, V4SI_FTYPE_V4SI_SI_COUNT,
4207         V4HI_FTYPE_V4HI_V4HI_COUNT, V4HI_FTYPE_V4HI_SI_COUNT,
4208         V2DI_FTYPE_V2DI_V2DI_COUNT, V2DI_FTYPE_V2DI_SI_COUNT,
4209         V2SI_FTYPE_V2SI_V2SI_COUNT, V2SI_FTYPE_V2SI_SI_COUNT,
4210         V1DI_FTYPE_V1DI_V1DI_COUNT, V1DI_FTYPE_V1DI_SI_COUNT,
4211         V8HI_FTYPE_V8HI_INT, V4SI_FTYPE_V4SI_INT, V4HI_FTYPE_V4HI_INT,
4212         V2DI2TI_FTYPE_V2DI2TI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT
4213         and DI_FTYPE_DI_DI_INT.
4214         (bdesc_args): Add MMX/SSE shift, shuffle and palignr builtins.
4215         (ix86_init_mmx_sse_builtins): Updated.
4216         (ix86_expand_args_builtin): Likewise.
4217         (ix86_expand_builtin): Likewise.
4218         (ix86_expand_binop_imm_builtin): Removed.
4219
4220         * doc/extend.texi: Correct __builtin_ia32_palignr128.
4221
4222 2008-04-30  Richard Guenther  <rguenther@suse.de>
4223
4224         PR tree-optimization/32921
4225         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Disambiguate with TBAA.
4226
4227 2008-04-30  Richard Sandiford  <rsandifo@nildram.co.uk>
4228
4229         * config/arm/arm.c (arm_unwind_emit): Use
4230         crtl->all_throwers_are_sibcalls instead of
4231         cfun->all_throwers_are_sibcalls.
4232         (arm_output_fn_unwind): Likewise.
4233         * config/frv/frv.c (frv_stack_info): Use crtl->uses_pic_offset_table
4234         instead of cfun->uses_pic_offset_table.
4235         (frv_expand_prologue): Likewise.
4236         (frv_frame_pointer_required): Likewise.
4237         (frv_expand_fdpic_call): Likewise.
4238         (frv_emit_movsi): Likewise.
4239         * config/iq2000/iq2000.c (iq2000_expand_prologue): Use
4240         cfun->returns_pcc_struct instead of
4241         current_function_returns_pcc_struct.
4242         * config/m32c/m32c.c (need_to_save): Use crtl->calls_eh_return
4243         instead of cfun->calls_eh_return.
4244         (m32c_pushm_popm): Likewise.
4245         * config/xtensa/xtensa.h (cfun->calls_alloca): Remove bogus
4246         "extern" declaration.
4247
4248 2008-04-30  Richard Guenther  <rguenther@suse.de>
4249
4250         PR tree-optimization/21636
4251         * tree-ssa-ccp.c (ccp_fold): Handle &p->x with p being a
4252         constant address.
4253         (evaluate_stmt): Print the likely value.
4254         (ccp_visit_stmt): Avoid excessive vertical spacing.
4255
4256 2008-04-30  Rafael Espindola  <espindola@google.com>
4257
4258         * builtins.c (fold_call_expr): Return realret.
4259         * tree-ssa-threadedge.c
4260         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
4261         __builtin_object_size.
4262
4263 2008-04-30  Seongbae Park  <seongbae.park@gmail.com>
4264
4265         * gcc.c (wrapper_string): New variable.
4266         (insert_wrapper): New function.
4267         (execute): New option -wrapper.
4268         * doc/invoke.texi (Overall Options): New driver option -wrapper.
4269
4270 2008-04-30  Nathan Froyd  <froydnj@codesourcery.com>
4271
4272         * config/rs6000/crtresgpr.asm, config/rs6000/crtresxgpr.asm,
4273         config/rs6000/crtsavgpr.asm, config/rs6000/crtresfpr.asm,
4274         config/rs6000/crtresxfpr.asm, config/rs6000/crtsavfpr.asm: Break out
4275         from...
4276         * config/rs6000/crtsavres.asm: ...here.  Remove unneeded file.
4277         * config/rs6000/e500crtres32gpr.asm, config/rs6000/e500crtres64gpr.asm,
4278         config/rs6000/e500crtres64gprctr.asm,
4279         config/rs6000/e500crtrest32gpr.asm, config/rs6000/e500crtrest64gpr.asm,
4280         config/rs6000/e500crtresx32gpr.asm, config/rs6000/e500crtresx64gpr.asm,
4281         config/rs6000/e500crtsav32gpr.asm, config/rs6000/e500crtsav64gpr.asm,
4282         config/rs6000/e500crtsav64gprctr.asm,
4283         config/rs6000/e500crtsavg32gpr.asm, config/rs6000/e500crtsavg64gpr.asm,
4284         config/rs6000/e500crtsavg64gprctr.asm: New files.
4285         * config/rs6000/t-ppccomm: Add build rules for new files.
4286         (LIB2FUNCS_STATIC_EXTRA): Add new files.
4287         * config/rs6000/t-netbsd: Add build rules for new files.
4288         (LIB2FUNCS_STATIC_EXTRA): New variable.
4289         * config/rs6000/sysv4.h (ENDFILE_SPEC): Don't include crtsavres.o
4290         (CRTSAVRES_DEFAULT_SPEC): Likewise.
4291         * config/rs6000/netbsd.h (ENDFILE_SPEC): Likewise.
4292
4293 2008-04-30  H.J. Lu  <hongjiu.lu@intel.com>
4294
4295         * config/i386/i386.c (ix86_builtin_type): Add
4296         FLOAT128_FTYPE_FLOAT128_FLOAT128, V16QI_FTYPE_V16QI_V16QI,
4297         V16QI_FTYPE_V8HI_V8HI, V8QI_FTYPE_V8QI_V8QI,
4298         V8QI_FTYPE_V4HI_V4HI, V8HI_FTYPE_V8HI_V8HI,
4299         V8HI_FTYPE_V16QI_V16QI, V8HI_FTYPE_V4SI_V4SI,
4300         V4SI_FTYPE_V4SI_V4SI, V4SI_FTYPE_V8HI_V8HI,
4301         V4SI_FTYPE_V4SF_V4SF, V4SI_FTYPE_V2DF_V2DF,
4302         V4HI_FTYPE_V4HI_V4HI, V4HI_FTYPE_V8QI_V8QI,
4303         V4HI_FTYPE_V2SI_V2SI, V4SF_FTYPE_V4SF_V4SF,
4304         V4SF_FTYPE_V4SF_V4SF_SWAP, V4SF_FTYPE_V4SF_V2SI,
4305         V4SF_FTYPE_V4SF_V2DF, V4SF_FTYPE_V4SF_DI,
4306         V4SF_FTYPE_V4SF_SI, V2DI_FTYPE_V2DI_V2DI,
4307         V2DI_FTYPE_V16QI_V16QI, V2DI_FTYPE_V4SI_V4SI,
4308         V2DI_FTYPE_V2DF_V2DF, V2SI_FTYPE_V2SI_V2SI,
4309         V2SI_FTYPE_V4HI_V4HI, V2SI_FTYPE_V2SF_V2SF,
4310         V2DF_FTYPE_V2DF_V2DF, V2DF_FTYPE_V2DF_V2DF_SWAP,
4311         V2DF_FTYPE_V2DF_V4SF, V2DF_FTYPE_V2DF_DI,
4312         V2DF_FTYPE_V2DF_SI, V2SF_FTYPE_V2SF_V2SF,
4313         V1DI_FTYPE_V1DI_V1DI, V1DI_FTYPE_V8QI_V8QI and
4314         V1DI_FTYPE_V2SI_V2SI.
4315         (bdesc_2arg): Moved to ...
4316         (bdesc_args): Here.
4317         (ix86_init_mmx_sse_builtins): Updated.
4318         (ix86_expand_args_builtin): Updated.  Take a pointer
4319         to const struct builtin_description.  Handle comparison
4320         builtin functions.
4321         (ix86_expand_sse_compare): Take a new argument for swapping operands.
4322         (ix86_expand_builtin): Updated.
4323
4324         * config/i386/sse.md (ssse3_pmaddubswv8hi3): Renamed to ...
4325         (ssse3_pmaddubsw128): This.
4326         (ssse3_pmaddubswv4hi3): Renamed to ...
4327         (ssse3_pmaddubsw): This.
4328
4329         * doc/extend.texi (__builtin_ia32_packsswb128): Correct prototype.
4330         (__builtin_ia32_packssdw128): Likewise.
4331         (__builtin_ia32_packuswb128): Likewise.
4332         (__builtin_ia32_pmaddubsw): Likewise.
4333         (__builtin_ia32_pmaddubsw128): Likewise.
4334
4335 2008-04-30  Richard Guenther  <rguenther@suse.de>
4336
4337         PR tree-optimization/14847
4338         * tree-ssa-ifcombine.c (get_name_for_bit_test): New helper function.
4339         (recognize_bits_test): Use it.
4340         (recognize_single_bit_test): Likewise.
4341
4342 2008-04-30  Martin Jambor  <mjambor@suse.cz>
4343
4344         * ipa-cp.c (ipcp_init_stage): Calls ipa_set_called_with_variable_arg
4345         instead of setting number of formal parameters to zero.
4346         (ipcp_init_stage): Do not set the number of actual parameters to zero 
4347         either.
4348         (ipcp_propagate_stage): Explicitly skipping all calls to nodes
4349         which are called with variable number of arguments.
4350         (ipcp_insert_stage): Explicitely skipping all nodes which are
4351         called with variable number of arguments.
4352         (ipcp_callsite_param_print): Skipps callsites to nodes with varaible 
4353         number of parameters.
4354
4355         * ipa-prop.h (struct ipa_node_params): Added flag
4356         called_with_var_arguments
4357         (ipa_set_param_count): Added.  Changed sole setter to use it.
4358         (ipa_get_param_count): Added.  All readers of param_count
4359         converted to use it instead.
4360         (ipa_set_called_with_variable_arg): Added.
4361         (ipa_is_called_with_var_arguments): Added.
4362         (ipa_get_ith_param): Added.  All readers of param_decls converted
4363         to use it instead.
4364         (ipa_set_cs_argument_count): Added, sole writer to argument_count 
4365         changed to use it. 
4366         (ipa_get_cs_argument_count): Added, all readers of argument_count
4367         changed to cal it.
4368         (ipa_get_ith_jump_func): Added. Accessors of jump values changed 
4369         to use it.
4370         
4371         * ipa-prop.h (struct ipcp_formal): Renamed to ipcp_lattice
4372         (struct ipcp_lattice): Renamed cval_type to type
4373         (struct ipa_node_params): ipcp_cval renamed to ipcp_lattices
4374
4375         * ipa-cp.c (ipcp_cval_get_cvalue): Changed return value to tree
4376         (ipcp_cval_set_cvalue): Changed type of parameter value to tree
4377         (ipcp_insert_stage): Changed the type of variable cvalue to tree
4378         (ipcp_replace_map_create): Changed the type of parameter cvalue to tree
4379         (build_const_val): Changed the type of parameter cvalue to tree
4380         (ipcp_propagate_const): Changed the type of parameter cvalue to tree
4381         (ipcp_method_cval_set_cvalue_type): Renamed parameter cval_type1 to type
4382         
4383         * ipa-prop.h (struct ipcp_formal): Replaced cvalue with tree called 
4384         constant 
4385
4386         * ipa-prop.c (ipa_methodlist_init): Renamed to ipa_init_func_list
4387         (ipa_methodlist_not_empty): Removed, the sole user now checks directly
4388         (ipa_add_method): Renamed to ipa_push_func_to_list
4389         (ipa_remove_method): Renamed to ipa_pop_func_from_list
4390         (ipa_callsite_param_count): Removed.
4391         (ipa_callsite_param_count_set): Removed.
4392         (ipa_callsite_param): Removed.
4393         (ipa_callsite_callee): Removed.
4394         (ipa_callsite_compute_param): Renamed to ipa_compute_jump_functions
4395         (ipa_callsite_compute_count): Renamed to ipa_count_arguments
4396         (ipa_method_formal_count): Removed.
4397         (ipa_method_formal_count_set): Removed.
4398         (ipa_method_get_tree): Removed.
4399         (ipa_method_tree_map_create): Removed.
4400         (ipa_method_compute_tree_map): Renamed to ipa_create_param_decls_array
4401         (ipa_create_param_decls_array): Creates the array itself
4402         (ipa_create_param_decls_array): Temporary variable info instead of 
4403         a few dereferences.
4404         (ipa_method_formal_compute_count): Renamed to ipa_count_formal_params
4405         (ipa_method_compute_modify): Renamed to ipa_detect_param_modifications
4406         (get_type): Removed.
4407         (ipa_jf_get_info_type): Removed.
4408         (ipa_node_create): Renamed to ipa_create_node_params
4409         (ipa_free): Renamed to ipa_free_all_node_params
4410         (ipa_nodes_create): Renamed to ipa_create_all_node_params
4411         (ipa_edges_create): Renamed to ipa_create_all_edge_args
4412         (ipa_edges_free): Renamed to ipa_free_all_edge_args
4413         (ipa_nodes_free): Integrated into ipa_free_all_node_params and removed
4414         (ipa_free_all_node_params): Deallocation to jump_functions moved to 
4415         ipa_free_all_edge_args
4416         (ipa_method_tree_print): Renamed to ipa_print_all_tree_maps
4417         (ipa_method_modify_print): Renamed to ipa_print_all_params_modified
4418         (ipa_create_methodlist_node): Removed.
4419         (ipa_methodlist_method): Removed.
4420         (ipa_methodlist_method_set): Removed.
4421         (ipa_methodlist_next_method): Removed.
4422         (ipa_methodlist_next_method_set): Removed.
4423         (ipa_method_is_modified): Removed.
4424         (ipa_method_modify_create): Removed.
4425         (ipa_method_modify_init): Temporary variable info instead of a few 
4426         dereferences.
4427         (ipa_detect_param_modifications): Temporary variable info instead of 
4428         a few dereferences.
4429         (ipa_compute_jump_functions): Temporary variable info instead of 
4430         a few dereferences.
4431         (ipa_method_modify_set): Removed.
4432         (ipa_method_tree_map): Renamed to ipa_get_param_decl_index
4433         (ipa_get_param_decl_index): Now accepts struct ipa_node_params rather 
4434         than craph_node as the first parameter.
4435         (ipa_method_modify_stmt): Renamed to ipa_check_stmt_modifications
4436         (ipa_method_modify_init): Removed.
4437         (ipa_compute_jump_functions): Added a temp variable instead of 
4438         repeatadly dereferencing the cgraph_edge.aux pointer
4439         (ipa_callsite_param_set_type): Removed.
4440         (ipa_compute_jump_functions): i renamed to index and moved to 
4441         an inner block
4442         (ipa_callsite_param_set_info_type_formal): Removed.
4443         (ipa_callsite_param_set_info_type): Removed.
4444         (ipa_callsite_param_map_create): Removed.
4445         (ipa_callsite_tree): Removed.
4446         (ipa_callsite_caller): Removed.
4447         (ipa_pop_func_from_list): return_method removed to return_func
4448
4449         * ipa-prop.h (enum cvalue_type): Renamed to ipa_lattice_type,
4450         prefixed all values with IPA_. Changed all users.
4451         (enum jump_func_type): Rnamed UNKNOWN_IPATYPE to IPA_UNKNOWN, 
4452         CONST_IPATYPE to IPA_CONST, CONST_IPATYPE_REF to IPA_CONST_REF 
4453         and FORMAL_IPATYPE IPA_PASS_THROUGH. 
4454         (union parameter_info): Renamed to jump_func_value.
4455         (union jump_func_value): Renamed value to constant
4456         (struct ipa_jump_func): Renamed info_type to value
4457         (struct ipa_node): Renamed to ipa_node_params
4458         (struct ipa_node_params): Renamed ipa_arg_num to param_count
4459         (struct ipa_node_params): Renamed ipa_param_tree to param_decls
4460         (struct ipa_node_params): Renamed ipa_mod to modified_flags
4461         (struct ipa_edge): Renamed to ipa_edge_args
4462         (struct ipa_edge_args): Renamed ipa_param_num to argument_count
4463         (struct ipa_edge_args): Renamed ipa_param_map to jump_functions
4464         (struct ipa_methodlist): Renamed to ipa_func_list
4465         (struct ipa_func_list): method_p renamed to node, next_method
4466         renamed to next
4467         (ipa_methodlist_p): Removed, switched all users to struct pointer
4468         (IS_VALID_TREE_MAP_INDEX): Renamed to IS_VALID_JUMP_FUNC_INDEX
4469
4470 2008-04-30  Alan Modra  <amodra@bigpond.net.au>
4471
4472         * config/rs6000/rs6000.c (ALWAYS_RESTORE_ALTIVEC_BEFORE_POP): Define.
4473         (rs6000_emit_epilogue): Use backchain to restore only when we
4474         have a large frame.  Make use of frame pointer to restore if we
4475         have one.  Handle ALWAYS_RESTORE_ALTIVEC_BEFORE_POP.
4476
4477 2008-04-29  Paolo Bonzini  <bonzini@gnu.org>
4478
4479         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
4480         Add mode to zero_extract.
4481         (sign bit tests peepholes): (Ditto.).
4482
4483 2008-04-29  H.J. Lu  <hongjiu.lu@intel.com>
4484
4485         * config/i386/i386.c (ix86_builtins): Replace Prescott New
4486         Instructions in comments with SSE3.
4487         (ix86_builtin_type): This.  Add FLOAT128_FTYPE_FLOAT128,
4488         INT64_FTYPE_V4SF, INT64_FTYPE_V2DF, INT_FTYPE_V16QI,
4489         INT_FTYPE_V8QI, INT_FTYPE_V4SF, INT_FTYPE_V2DF,
4490         V16QI_FTYPE_V16QI, V8HI_FTYPE_V8HI, V8HI_FTYPE_V16QI,
4491         V8QI_FTYPE_V8QI, V4SI_FTYPE_V4SI, V4SI_FTYPE_V16QI,
4492         V4SI_FTYPE_V4SF, V4SI_FTYPE_V8HI, V4SI_FTYPE_V2DF,
4493         V4HI_FTYPE_V4HI, V4SF_FTYPE_V4SF, V4SF_FTYPE_V4SI,
4494         V4SF_FTYPE_V2DF, V2DI_FTYPE_V2DI, V2DI_FTYPE_V16QI,
4495         V2DI_FTYPE_V8HI, V2DI_FTYPE_V4SI, V2DF_FTYPE_V2DF,
4496         V2DF_FTYPE_V4SI, V2DF_FTYPE_V4SF, V2DF_FTYPE_V2SI,
4497         V2SI_FTYPE_V2SI, V2SI_FTYPE_V4SF, V2SI_FTYPE_V2SF,
4498         V2SI_FTYPE_V2DF, V2SF_FTYPE_V2SF and V2SF_FTYPE_V2SI.
4499         (bdesc_sse_args): Renamed to ...
4500         (bdesc_args): This.  Add IX86_BUILTIN_PF2ID, IX86_BUILTIN_PFRCP,
4501         IX86_BUILTIN_PFRSQRT, IX86_BUILTIN_PI2FD, IX86_BUILTIN_PF2IW,
4502         IX86_BUILTIN_PSWAPDSI, IX86_BUILTIN_PSWAPDSF and
4503         IX86_BUILTIN_FABSQ.
4504         (bdesc_1arg): Moved to ...
4505         (bdesc_args): Here.
4506         (ix86_init_mmx_sse_builtins): Updated.  Replace Prescott New
4507         Instructions in comments with SSE3.
4508         (ix86_expand_sse_operands_builtin): Renamed to ...
4509         (ix86_expand_args_builtin): This.  Updated.
4510         (ix86_expand_unop1_builtin): Update comments.
4511         (ix86_expand_builtin): Updated.
4512
4513 2008-04-29  Richard Guenther  <rguenther@suse.de>
4514
4515         PR tree-optimization/36078
4516         * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely):
4517         Update virtual SSA form after cleaning up the CFG.
4518
4519 2008-04-29  Richard Guenther  <rguenther@suse.de>
4520
4521         PR middle-end/15255
4522         * fold-const.c (fold_binary): Fold (A + A) * C to A * 2*C.
4523
4524 2008-04-29  Richard Guenther  <rguenther@suse.de>
4525
4526         * tree-ssa-alias.c (finalize_ref_all_pointers): Remove.
4527         (compute_may_aliases): Do not call finalize_ref_all_pointers.
4528         (compute_flow_insensitive_aliasing): Do not treat
4529         PTR_IS_REF_ALL pointers special.
4530         (get_smt_for): Likewise.
4531         (may_alias_p): Re-structure.
4532         (is_escape_site): A ref-all pointer conversion is not an escape site.
4533         * tree-ssa-structalias.c (find_what_p_points_to): Do not treat
4534         PTR_IS_REF_ALL pointers special.
4535         * tree-ssa-structalias.h (struct alias_info): Remove
4536         ref_all_symbol_mem_tag field.
4537         (PTR_IS_REF_ALL): Remove.
4538
4539 2008-04-29  Richard Guenther  <rguenther@suse.de>
4540
4541         PR middle-end/36077
4542         * fold-const.c (extract_muldiv_1): In combining division constants
4543         make sure to never overflow.
4544
4545 2008-04-29  Nick Clifton  <nickc@redhat.com>
4546
4547         * doc/tm.texi (RETURN_ADDR_RTX): Fix typo.
4548
4549 2008-04-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4550
4551         PR bootstrap/35169
4552         * optc-gen.awk: Work around HP-UX/IA awk bug.
4553
4554 2008-04-28  Danny Smith  <dannysmith@users.sourceforge.net>
4555
4556         * config/i386/cygming-crtend.c (register_frame_ctor): Revert my
4557         2008-04-25 commit.
4558
4559 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
4560
4561         PR target/36073
4562         * config/i386/i386.md
4563         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit):
4564         Change operand 1 predicate to nonimmediate_operand.
4565
4566 2008-04-28  Jakub Jelinek  <jakub@redhat.com>
4567
4568         PR debug/36060
4569         * dwarf2out.c (struct die_struct): Mark as chain_circular through
4570         die_sub field.
4571         * gengtype.c (walk_type, write_func_for_structure): Handle
4572         chain_circular.
4573         * doc/gty.texi: Document chain_circular.
4574
4575 2008-04-28  Richard Guenther  <rguenther@suse.de>
4576
4577         PR tree-optimization/36066
4578         * tree-vrp.c (execute_vrp): Cleanup the CFG only after finalizing
4579         SCEV and loop.
4580
4581 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
4582
4583         PR target/36064
4584         * config/i386/i386.md
4585         (floatdi<X87MODEF:mode>2_i387_with_xmm splitters):
4586         Use match_scratch instead of match_operand for operands 3 and 4.
4587
4588 2008-04-27  Richard Guenther  <rguenther@suse.de>
4589
4590         PR tree-optimization/18754
4591         PR tree-optimization/34223
4592         * tree-pass.h (pass_complete_unrolli): Declare.
4593         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Print
4594         loop size before and after unconditionally of UL_NO_GROWTH in effect.
4595         Rewrite loop into loop closed SSA form if it is not already.
4596         (tree_unroll_loops_completely): Re-structure to iterate over
4597         innermost loops with intermediate CFG cleanups.
4598         Unroll outermost loops only if requested or the code does not grow
4599         doing so.
4600         * tree-ssa-loop.c (gate_tree_vectorize): Don't shortcut if no
4601         loops are available.
4602         (tree_vectorize): Instead do so here.
4603         (tree_complete_unroll): Also unroll outermost loops.
4604         (tree_complete_unroll_inner): New function.
4605         (gate_tree_complete_unroll_inner): Likewise.
4606         (pass_complete_unrolli): New pass.
4607         * tree-ssa-loop-manip.c (find_uses_to_rename_use): Only record
4608         uses outside of the loop.
4609         (tree_duplicate_loop_to_header_edge): Only verify loop-closed SSA
4610         form if it is available.  
4611         * tree-flow.h (tree_unroll_loops_completely): Add extra parameter.
4612         * passes.c (init_optimization_passes): Schedule complete inner
4613         loop unrolling pass before the first CCP pass after final inlining.
4614
4615 2008-04-27  Nathan Sidwell  <nathan@codesourcery.com>
4616
4617         * targhooks.h (default_emutls_var_fields,
4618         default_emutls_var_init): Declare.
4619         * tree.h (DECL_THREAD_LOCAL): Compare against TLS_MODEL_REAL.
4620         * target.h (struct gcc_target): Add struct emutls member.
4621         * target-def.h (TARGET_EMUTLS_GET_ADDRESS,
4622         TARGET_EMUTLS_REGISTER_COMMON, TARGET_EMUTLS_VAR_SECTION,
4623         TARGET_EMUTLS_TMPL_SECTION, TARGET_EMUTLS_VAR_PREFIX,
4624         TARGET_EMUTLS_TMPL_PREFIX, TARGET_EMUTLS_VAR_FIELDS,
4625         TARGET_EMUTLS_VAR_INIT, TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS,
4626         TARGET_EMUTLS_VAR_ALIGN_FIXED, TARGET_EMUTLS): New.
4627         (TARGET_INITIALIZER): Add TARGET_EMUTLS.
4628         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS,
4629         BUILT_IN_EMUTLS_REGISTER_COMMON): Get name from targetm structure.
4630         * dwarf2out.c (loc_descriptor_from_tree_1): Check if emutls can
4631         emit debug information.
4632         * coretypes.h (tls_model): Add TLS_MODEL_EMULATED, TLS_MODEL_REAL.
4633         * varasm.c: Include targhooks.h.
4634         (emutls_object_section, emutls_tmpl_section): New.
4635         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): Remove.
4636         (EMUTLS_SEPARATOR): New.
4637         (prefix_name): New.
4638         (get_emutls_object_name): New.
4639         (default_emutls_var_fields): New, broken out of ...
4640         (get_emutls_object_type): ... here.  Adjust to use target hooks.
4641         (get_emutls_init_templ_addr): Adjust to use target hooks.
4642         (emutls_decl): Adjust to use target hooks.
4643         (emutls_finish): Likewise.
4644         (default_emutls_var_init): New, broken out of ...
4645         (assemble_variable): ... here.  Adjust to use target hooks.
4646         * output.h (enum section_category): Add SECCAT_EMUTLS_VAR,
4647         SECCAT_EMUTLS_TMPL.
4648         * c-common.c (handle_section_attribute): Prevent overriding
4649         sections for emulated tls with special sections.
4650         * config/i386/i386.c (x86_64_elf_select_section): Add
4651         SECCAT_EMUTLS_VAR and SECCAT_EMUTLS_TMPL.
4652         (x86_64_elf_unique_section): Likewise.
4653         * config/vxworks.c: Include tree.h.
4654         (vxworks_emutls_var_fields, vxworks_emutls_var_init): New.
4655         (vxworks_override_options): Set TLS scheme.
4656         * doc/tm.texi (Emulated TLS): New node.
4657
4658 2008-04-26  Simon Baldwin <simonb@google.com>
4659
4660         PR c/35652
4661         * builtins.c (c_strlen): Suppressed multiple warnings that can occur
4662         with propagated string constants.
4663
4664 2008-04-26  Uros Bizjak  <ubizjak@gmail.com>
4665
4666         * config/i386/i386.md (fix_trunc<mode>_i387_fisttp_with_temp): Use 'X'
4667         constraint for operand 2 when operand 0 is memory operand.
4668         (fix_truncdi_i387_with_temp): : Use 'X' constraint for operand 4 when
4669         operand 0 is memory operand.
4670         (fix_trunc<mode>_i387_with_temp): Ditto.
4671         (*floatsi<mode>2_vector_mixed_with_temp): Use 'X' constraint for
4672         operand 2 when operand 1 is memory operand.
4673         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_with_temp): Ditto.
4674         (*floatsi<mode>2_vector_sse_with_temp): Ditto.
4675         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_with_temp): Ditto.
4676         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
4677         (floatdi<X87MODEF:mode>2_i387_with_xmm): Use 'X' constraint for
4678         operands 2,3 and 4 when operand 1 is memory operand.
4679         (fistdi2_with_temp): Use 'X' constraint for operand 2 when operand 0
4680         is memory operand.
4681         (fistdi2_floor_with_temp): Ditto.
4682         (fist<mode>2_floor_with_temp): Ditto.
4683         (fistdi2_ceil_with_temp): Ditto.
4684         (fist<mode>2_ceil_with_temp): Ditto.
4685         (*truncdfsf_fast_mixed): Merge alternatives 0 and 1.
4686
4687 2008-04-26  David Daney  <ddaney@avtrex.com>
4688
4689         * config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP_12): New
4690         unspec_volitile.
4691         (UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE,
4692         UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
4693         UNSPEC_UPDATE_GOT_VERSION): Renumber.
4694         (sync_compare_and_swap<mode>): New expand for QI and HI modes.
4695         (compare_and_swap_12): New insn.
4696         * config/mips/mips-protos.h (mips_expand_compare_and_swap_12): Declare.
4697         * config/mips/mips.c (mips_force_binary): New function.
4698         (mips_emit_int_order_test, mips_expand_synci_loop): Use it.
4699         (mips_expand_compare_and_swap_12): New function.
4700         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): New macro.
4701
4702 2008-04-25  Jan Hubicka  <jh@suse.cz>
4703
4704         PR testsuite/35843
4705         * cfgexpand.c (pass_expand): Turn into RTL pass.
4706         * passes.c (execute_one_pass): Do pass typechecking after execution.
4707         * tree-pass.h (pass_expand): Turn into RTL pass.
4708
4709         * function.h (struct rtl_data): Move here fields
4710         accesses_prior_frames, calls_eh_return, saves_all_registers,
4711         has_nonlocal_goto, has_asm_statement, is_thunk,
4712         all_throwers_are_sibcalls, limit_stack, profile, uses_const_pool,
4713         uses_pic_offset_table, uses_eh_lsda, tail_call_emit,
4714         arg_pointer_save_area_init from struct function; turn into bool.
4715         (struct function): Move
4716         calls_eh_return, saves_all_registers, has_nonlocal_goto,
4717         has_asm_statement, is_thunk, all_throwers_are_sibcalls, limit_stack,
4718         profile, uses_const_pool, uses_pic_offset_table, uses_eh_lsda,
4719         tail_call_emit, arg_pointer_save_area_init
4720         into struct rtl_data.  Remove recursive_call_emit and gimplified flags.
4721         (current_function_returns_struct, current_function_returns_pcc_struct,
4722         current_function_calls_setjmp, current_function_calls_alloca,
4723         current_function_accesses_prior_frames,
4724         current_function_calls_eh_return, current_function_is_thunk,
4725         current_function_stdarg, current_function_profile,
4726         current_function_limit_stack, current_function_uses_pic_offset_table,
4727         current_function_uses_const_pool, current_function_has_nonlocal_label,
4728         current_function_saves_all_registers,
4729         current_function_has_nonlocal_goto,
4730         current_function_has_asm_statement): Remove accesor macros.
4731         * ra-conflict.c (global_conflicts): Update.
4732         * tree-tailcall.c (suitable_for_tail_opt_p): Update.
4733         (suitable_for_tail_call_opt_p): Update.
4734         * builtins.c (expand_builtin_return_addr): Update.
4735         (expand_builtin_setjmp_setup): Update.
4736         (expand_builtin_nonlocal_goto): Update.
4737         * final.c (final_start_function): Update.
4738         (profile_function): Update.
4739         (leaf_function_p): Update.
4740         (only_leaf_regs_used): Update.
4741         * df-scan.c (df_get_exit_block_use_set): Update.
4742         * dojump.c (clear_pending_stack_adjust): Update.
4743         * tree-stdarg.c (gate_optimize_stdarg): Update.
4744         * gimple-low.c (lower_function_body): Update.
4745         * global.c (compute_regsets): Update.
4746         (global_alloc): Update.
4747         * dwarf2out.c (dwarf2out_begin_prologue): Update.
4748         * expr.c (expand_assignment): Update.
4749         * dse.c (dse_step0): Update.
4750         (dse_step1): Update.
4751         * c-decl.c (store_parm_decls): Update.
4752         * local-alloc.c (combine_regs): Update.
4753         (find_free_reg): Update.
4754         * function.c (assign_parms_augmented_arg_list): Update.
4755         (assign_parm_find_data_types): Update.
4756         (assign_parms): Update.
4757         (allocate_struct_function): Update.
4758         (expand_function_start): Update.
4759         (expand_function_end): Update.
4760         (get_arg_pointer_save_area): Update.
4761         (thread_prologue_and_epilogue_insns): Update.
4762         (rest_of_match_asm_constraints): Update.
4763         * stor-layout.c (variable_size): Update.
4764         * gcse.c (gcse_main): Update.
4765         (bypass_jumps): Update.
4766         * gimplify.c (gimplify_function_tree): Update.
4767         * calls.c (emit_call_1): Update.
4768         (expand_call): Update.
4769         * bt-load.c (compute_defs_uses_and_gen): Update.
4770         * except.c (sjlj_assign_call_site_values): Update.
4771         (sjlj_emit_function_enter): Update.
4772         (can_throw_external): Update.
4773         (set_nothrow_function_flags): Update.
4774         (expand_builtin_unwind_init): Update.
4775         (expand_eh_return): Update.
4776         (convert_to_eh_region_ranges): Update.
4777         (output_function_exception_table): Update.
4778         * emit-rtl.c (gen_tmp_stack_mem): Update.
4779         * cfgexpand.c (expand_used_vars): Update.
4780         (tree_expand_cfg): Update.
4781         * cfgcleanup.c (rest_of_handle_jump): Update.
4782         * explow.c (allocate_dynamic_stack_space): Update.
4783         * varasm.c (assemble_start_function): Update.
4784         (force_const_mem): Update.
4785         (mark_constant_pool): Update.
4786         * tree-optimize.c (tree_rest_of_compilation): Update.
4787         * stack-ptr-mod.c (notice_stack_pointer_modification): Update.
4788         * tree-cfg.c (notice_special_calls): Update.
4789         (is_ctrl_altering_stmt): Update.
4790         (tree_can_make_abnormal_goto): Update.
4791         (tree_purge_dead_abnormal_call_edges): Update.
4792         * config/alpha/predicates.md: Update.
4793         * config/alpha/alpha.c (alpha_sa_mask): Update.
4794         (alpha_sa_size): Update.
4795         (alpha_does_function_need_gp): Update.
4796         (alpha_expand_prologue): Update.
4797         (alpha_start_function): Update.
4798         (alpha_output_function_end_prologue): Update.
4799         (alpha_expand_epilogue): Update.
4800         * config/frv/frv.c (frv_stack_info): Update.
4801         (frv_expand_epilogue): Update.
4802         * config/s390/s390.c (s390_regs_ever_clobbered): Update.
4803         (s390_register_info): Update.
4804         (s390_frame_info): Update.
4805         (s390_init_frame_layout): Update.
4806         (s390_can_eliminate): Update.
4807         (save_gprs): Update.
4808         * config/spu/spu.c (spu_split_immediate): Update.
4809         (need_to_save_reg): Update.
4810         (spu_expand_prologue): Update.
4811         (spu_expand_epilogue): Update.
4812         * config/sparc/sparc.md: Update.
4813         * config/sparc/sparc.c (eligible_for_return_delay): Update.
4814         (sparc_tls_got): Update.
4815         (legitimize_pic_address): Update.
4816         (sparc_emit_call_insn): Update.
4817         (sparc_expand_prologue): Update.
4818         (output_return): Update.
4819         (print_operand): Update.
4820         (sparc_function_ok_for_sibcall): Update.
4821         * config/sparc/sparc.h (EXIT_IGNORE_STACK): Update.
4822         * config/m32r/m32r.md: Update.
4823         * config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Update.
4824         (m32r_compute_frame_size): Update.
4825         (m32r_expand_prologue): Update.
4826         (m32r_expand_epilogue): Update.
4827         (m32r_legitimize_pic_address): Update.
4828         * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Update.
4829         * config/i386/linux.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
4830         * config/i386/i386.c (ix86_frame_pointer_required): Update.
4831         (gen_push): Update.
4832         (ix86_save_reg): Update.
4833         (ix86_compute_frame_layout): Update.
4834         (ix86_expand_prologue): Update.
4835         (ix86_expand_epilogue): Update.
4836         * config/sh/sh.c (output_stack_adjust): Update.
4837         (calc_live_regs): Update.
4838         (sh5_schedule_saves): Update.
4839         (sh_expand_prologue): Update.
4840         (sh_expand_epilogue): Update.
4841         (sh_setup_incoming_varargs): Update.
4842         (sh_allocate_initial_value): Update.
4843         (sh_get_pr_initial_val): Update.
4844         * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Update.
4845         * config/sh/sh.md (label:): Update.
4846         * config/avr/avr.c (out_movhi_mr_r): Update.
4847         * config/crx/crx.h (enum): Update.
4848         * config/xtensa/xtensa.h (along): Update.
4849         * config/stormy16/stormy16.c Update.
4850         (xstormy16_compute_stack_layout): Update.
4851         * config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Update.
4852         (fr30_expand_prologue): Update.
4853         * config/cris/cris.c (cris_conditional_register_usage): Update.
4854         (cris_reg_saved_in_regsave_area): Update.
4855         (cris_initial_frame_pointer_offset): Update.
4856         (cris_simple_epilogue): Update.
4857         (cris_expand_prologue): Update.
4858         (cris_expand_epilogue): Update.
4859         (cris_expand_pic_call_address): Update.
4860         (cris_asm_output_symbol_ref): Update.
4861         (cris_asm_output_label_ref): Update.
4862         * config/cris/cris.md Update.
4863         * config/iq2000/iq2000.c (compute_frame_size): Update.
4864         (iq2000_expand_epilogue): Update.
4865         * config/mt/mt.h (save_direction): Update.
4866         * config/mn10300/mn10300.c (mn10300_function_value): Update.
4867         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
4868         (ia64_secondary_reload_class): Update.
4869         * config/m68k/m68k.c (m68k_save_reg): Update.
4870         (m68k_expand_prologue): Update.
4871         (m68k_expand_epilogue): Update.
4872         (legitimize_pic_address): Update.
4873         * config/rs6000/rs6000.c (rs6000_got_register): Update.
4874         (first_reg_to_save): Update.
4875         (first_altivec_reg_to_save): Update.
4876         (compute_vrsave_mask): Update.
4877         (compute_save_world_info): Update.
4878         (rs6000_stack_info): Update.
4879         (spe_func_has_64bit_regs_p): Update.
4880         (rs6000_ra_ever_killed): Update.
4881         (rs6000_emit_eh_reg_restore): Update.
4882         (rs6000_emit_allocate_stack): Update.
4883         (rs6000_emit_prologue): Update.
4884         (rs6000_emit_epilogue): Update.
4885         (rs6000_output_function_epilogue): Update.
4886         (output_profile_hook): Update.
4887         (rs6000_elf_declare_function_name): Update.
4888         * config/rs6000/rs6000.h (rs6000_args): Update.
4889         * config/rs6000/rs6000.md: Update.
4890         * config/mcore/mcore.c (mcore_expand_prolog): Update.
4891         * config/arc/arc.c (arc_output_function_epilogue): Update.
4892         * config/arc/arc.h (FRAME_POINTER_REQUIRED): Update.
4893         * config/darwin.c (machopic_function_base_name): Update.
4894         * config/score/score3.c (score3_compute_frame_size): Update.
4895         (rpush): Update.
4896         (rpop): Update.
4897         (score3_epilogue): Update.
4898         * config/score/score7.c (score7_compute_frame_size): Update.
4899         (score7_prologue): Update.
4900         (score7_epilogue): Update.
4901         * config/score/score.h (FRAME_POINTER_REQUIRED): Update.
4902         * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
4903         * config/arm/arm.c (use_return_insn): Update.
4904         (require_pic_register): Update.
4905         (arm_load_pic_register): Update.
4906         (arm_compute_save_reg0_reg12_mask): Update.
4907         (arm_compute_save_reg_mask): Update.
4908         (thumb1_compute_save_reg_mask): Update.
4909         (output_return_instruction): Update.
4910         (arm_output_function_prologue): Update.
4911         (arm_output_epilogue): Update.
4912         (arm_get_frame_offsets): Update.
4913         (arm_expand_prologue): Update.
4914         (thumb_pushpop): Update.
4915         (thumb_exit): Update.
4916         (thumb1_expand_prologue): Update.
4917         (thumb1_expand_epilogue): Update.
4918         (arm_unwind_emit): Update.
4919         (arm_output_fn_unwind): Update.
4920         * config/arm/arm.h (FRAME_POINTER_REQUIRED): Update.
4921         * config/arm/arm.md: Update.
4922         * config/pa/pa.md: Update.
4923         * config/pa/pa.c (legitimize_pic_address): Update.
4924         (compute_frame_size): Update.
4925         (hppa_expand_prologue): Update.
4926         (hppa_expand_epilogue): Update.
4927         (borx_reg_operand): Update.
4928         * config/pa/pa.h (FRAME_POINTER_REQUIRED): Update.
4929         (HARD_REGNO_RENAME_OK): Update.
4930         * config/mips/mips.c (mips_global_pointer): Update.
4931         (mips_save_reg_p): Update.
4932         (mips_compute_frame_info): Update.
4933         (mips_frame_pointer_required): Update.
4934         (mips_expand_prologue): Update.
4935         (mips_expand_epilogue): Update.
4936         (mips_can_use_return_insn): Update.
4937         (mips_reorg_process_insns): Update.
4938         * config/v850/v850.c (compute_register_save_size): Update.
4939         * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Update.
4940         * config/mmix/mmix.c (along): Update.
4941         (mmix_expand_epilogue): Update.
4942         * config/bfin/bfin.c (legitimize_pic_address): Update.
4943         (must_save_p): Update.
4944         (stack_frame_needed_p): Update.
4945         (add_to_reg): Update.
4946         (bfin_expand_prologue): Update.
4947         * stmt.c (expand_asm_operands): Update.
4948         * reload1.c (reload): Update.
4949         (init_elim_table): Update.
4950
4951 2008-04-25  Bob Wilson  <bob.wilson@acm.org>
4952         
4953         * optabs.c (expand_float): Fix REG_EQUAL for UNSIGNED_FLOAT libcall.
4954         
4955 2008-04-25  H.J. Lu  <hongjiu.lu@intel.com>
4956
4957         * config/i386/sse.md (mov<mode>): Replace SSEMODEI with SSEMODE.
4958         (*mov<mode>_internal): Likewise.  Support V4SF and V2DF.
4959         (mov<mode>): Removed.
4960         (*movv4sf_internal): Likewise.
4961         (*movv2df_internal): Likewise.
4962
4963 2008-04-25  Pompapathi V Gadad <Pompapathi.V.Gadad@nsc.com>
4964
4965         * config.gcc (crx-*-elf): Remove deprecation.
4966
4967 2008-04-25  Danny Smith  <dannysmith@users.sourceforge.net>
4968
4969         * config/i386/cygming-crtend.c (register_frame_ctor): Register
4970         __gcc_deregister_frame with atexit.
4971         (deregister_frame_dtor): Remove.
4972
4973 2008-04-24  Nathan Froyd  <froydnj@codesourcery.com>
4974             Nathan Sidwell  <nathan@codesourcery.com>
4975
4976         * config/rs6000/rs6000.opt (mspe): Remove Var property.
4977         (misel): Likewise.
4978         * config/rs6000/rs6000.h (rs6000_spe): Declare.
4979         (rs6000_isel): Likewise.
4980         * config/rs6000/rs6000.c (rs6000_spe): New variable.
4981         (rs6000_isel): New variable.
4982         (rs6000_handle_option): Handle OPT_mspe and OPT_misel.
4983
4984 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
4985
4986         PR c++/35758
4987         * c-common.c (handle_vector_size_attribute): Call
4988         lang_hooks.types.reconstruct_complex_type instead of
4989         reconstruct_complex_type.
4990         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Likewise.
4991         * config/spu/spu.c (spu_handle_vector_attribute): Likewise.
4992         * langhooks.h (struct lang_hooks_for_types): Add
4993         reconstruct_complex_type hook.
4994         * langhooks-def.h (LANG_HOOKS_RECONSTRUCT_COMPLEX_TYPE): Define.
4995         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add it.
4996
4997 2008-04-24  Richard Guenther  <rguenther@suse.de>
4998
4999         * c-common.h (check_builtin_function_arguments): Declare.
5000         * c-common.c (validate_nargs): New function.
5001         (check_builtin_function_arguments): Likewise.
5002         * c-typeck.c (build_function_call): Call
5003         check_builtin_function_arguments.
5004         * builtins.c (fold_builtin_classify): Remove error reporting code.
5005         (fold_builtin_unordered_cmp): Likewise.
5006         (fold_builtin_1): Likewise.
5007         (fold_builtin_n): Likewise.
5008
5009 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
5010
5011         PR tree-optimization/36008
5012         * fold-const.c (try_move_mult_to_index): If s == NULL, divide
5013         the original op1, rather than delta by step.
5014
5015 2008-04-22  Antoniu Pop  <antoniu.pop@gmail.com>
5016             Sebastian Pop  <sebastian.pop@amd.com>
5017
5018         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
5019         eliminate_local_variables_stmt, eliminate_local_variables,
5020         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
5021         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
5022         of code delimited by two edges in the CFG.
5023         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
5024         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
5025         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate 
5026         the case of parallelisation of reductions.
5027         (expr_invariant_in_region_p): New.
5028
5029         * tree-flow.h (gather_blocks_in_sese_region): Declared.
5030         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
5031
5032 2008-04-24  Ira Rosen  <irar@il.ibm.com>
5033             Richard Guenther  <rguenther@suse.de>
5034
5035         PR tree-optimization/36034
5036         * tree-vect-analyze.c (vect_analyze_group_access): SLP is
5037         incapable of dealing with loads with gaps.
5038
5039 2008-04-24  Rafael Espindola  <espindola@google.com>
5040
5041         * tree-flow.h (vrp_evaluate_conditional): Change signature.
5042         * tree-ssa-propagate.c (fold_predicate_in): Update call to
5043         vrp_evaluate_conditional.
5044         * tree-vrp.c (vrp_evaluate_conditional_warnv): Remove.
5045         (vrp_evaluate_conditional): Split the cond argument.
5046         (vrp_visit_cond_stmt): Use vrp_evaluate_conditional_warnv_with_ops.
5047         (simplify_stmt_for_jump_threading): Update call to
5048         vrp_evaluate_conditional.
5049
5050 2008-04-24  Ira Rosen  <irar@il.ibm.com>
5051
5052         PR tree-optimization/35982
5053         * tree-vect-analyze.c (vect_check_interleaving): Check that the
5054         interleaved data-refs are of the same type.
5055
5056 2008-04-24  Danny Smith  <dannysmith@users.net>
5057
5058         * c-format.c (check_format_info_main): Use strncmp rather than a
5059         magic prefix to handle multichar length specs.
5060         * config/i386/msformat-c.c (format_length_info ms_printf_length_specs):
5061         Don't prefix "I64" and "I32" with '\0'.
5062
5063 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
5064
5065         PR target/36015
5066         * config/i386/i386.c (init_cumulative_args): Don't pass anything
5067         in registers for -m32 only if stdarg_p (fntype).
5068
5069 2008-04-24  Uros Bizjak  <ubizjak@gmail.com>
5070
5071         PR rtl-optimization/36006
5072         * expmed.c (store_fixed_bit_field): Copy op0 rtx before moving
5073         temp to op0 in order to avoid invalid rtx sharing.
5074
5075 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
5076
5077         * tree-cfg.c (verify_expr): Check with is_gimple_address.  Don't
5078         check TREE_INVARIANT.
5079         * tree-gimple.c (is_gimple_address): New.
5080         (is_gimple_invariant_address): Simplify using decl_address_invariant_p.
5081         * tree-gimple.h (is_gimple_address): New.
5082         * tree.h (decl_address_invariant_p): New.
5083         * tree.c (make_node_stat): Don't set TREE_INVARIANT.
5084         (build_string): Likewise.
5085         (decl_address_invariant_p): New, from is_gimple_invariant_address.
5086         (tree_invariant_p_1): Likewise.
5087         (save_expr): Use it.
5088         (tree_invariant_p): New.
5089         (skip_simple_arithmetic): Use it.
5090         (stabilize_reference_1): Use it.
5091         (recompute_tree_invariant_for_addr_expr): Don't update TREE_INVARIANT,
5092         simplify.
5093         (build1_stat): Drop code to compute TREE_INVARIANT.
5094         (build2_stat): Drop code to compute TREE_INVARIANT.
5095         (build3_stat): Drop code to compute TREE_INVARIANT.
5096         (build4_stat): Drop code to compute TREE_INVARIANT.
5097         (build5_stat): Drop code to compute TREE_INVARIANT.
5098         (build7_stat): Drop code to compute TREE_INVARIANT.
5099         (merge_dllimport_decl_attributes): Don't mention TREE_INVARIANT.
5100         * tree.h (struct tree_base): Remove invariant_flag.
5101         (TREE_INVARIANT): Remove.
5102         * builtins.c (build_string_literal): Don't set TREE_INVARIANT.
5103         (fold_builtin_expect): Check TREE_CONSTANT.
5104         * tree-ssa-ccp.c (fold_stmt_r): Adjust comment.
5105         * c-tree.h (c_expr_to_decl): Drop third parameter.
5106         * c-typeck.c (build_external_ref): Don't set TREE_INVARIANT.
5107         (build_c_cast): Don't set TREE_INVARIANT.
5108         (pop_init_level): Don't set TREE_INVARIANT.
5109         (c_objc_common_truthvalue_conversion): Don't set TREE_INVARIANT.
5110         * gimplify.c (gimplify_init_ctor_preeval): Add assertion, test
5111         TREE_CONSTANT.
5112         (gimplify_init_constructor): Don't set TREE_INVARIANT.
5113         (gimplify_addr_expr): Adjust comment.
5114         * tree-mudflap.c (mf_build_string):
5115         * print-tree.c (print_node): Don't print TREE_INVARIANT.
5116         * tree-nested.c (convert_nonlocal_reference): Adjust comment.
5117         * c-common.c (fix_string_type): Don't set TREE_INVARIANT.
5118         * langhooks-def.h (lhd_expr_to_decl): Drop third parameter.
5119         * langhooks.c (lhd_expr_to_decl): Drop third parameter.
5120         * langhooks.h (struct lang_hooks): Drop third parameter from
5121         expr_to_decl.
5122
5123 2008-04-23  Richard Guenther  <rguenther@suse.de>
5124
5125         PR tree-optimization/27799
5126         PR tree-optimization/32921
5127         PR tree-optimization/32624
5128         * tree-ssa-structalias.c (merge_smts_into): Only merge the
5129         SMTs aliases and the tag itself into the solution.
5130         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Do not
5131         merge the points-to solution back into the SMT aliases.
5132         (may_alias_p): Use alias_set_subset_of instead of
5133         aliases_conflict_p.  A pointer which points to
5134         memory with alias set zero may access any variable.
5135
5136 2008-04-23  Richard Guenther  <rguenther@suse.de>
5137
5138         * alias.c (alias_set_subset_of): Correctly handle asking
5139         if zero is a subset of an alias set with zero child.
5140         * tree-ssa-alias.c (have_common_aliases_p): Simplify logic.
5141         (compute_flow_insensitive_aliasing): Correctly walk all
5142         pointers.  Do not unnecessarily union sets.
5143
5144 2008-04-23  Richard Guenther  <rguenther@suse.de>
5145
5146         PR middle-end/36021
5147         * c-common.c (handle_alloc_size_attribute): Use type_num_arguments.
5148
5149 2008-04-22  Tomas Bily  <tbily@suse.cz>
5150
5151         * tree-cfg.c (verify_expr): Check for NON_LVALUE_EXPR as
5152         unreachable case.
5153         * tree-vrp.c (extract_range_from_unary_expr): Removed unused
5154         NON_LVALUE_EXPR.
5155         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
5156         * tree-ssa-structalias.c (get_constraint_for): Likewise.
5157         * tree-inline.c (estimate_num_insns_1): Likewise.
5158         * varasm.c (const_hash_1, compare_constant, copy_constant)
5159         (compute_reloc_for_constant, output_addressed_constants): Likewise.
5160         * emit-rtl.c (component_ref_for_mem_expr)
5161         (set_mem_attributes_minus_bitpos): Likewise.
5162         * expr.c (highest_pow2_factor, expand_expr_real_1, )
5163         (is_aligning_offset): Likewise.
5164         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info): Likewise.
5165         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
5166         * dojump.c (do_jump): Likewise.
5167         * builtins.c (get_pointer_alignment, get_memory_rtx)
5168         (integer_valued_real_p, fold_builtin_next_arg): Likewise.
5169         * tree-scalar-evolution.c (instantiate_parameters_1): Likewise.
5170
5171 2008-04-23  Jakub Jelinek  <jakub@redhat.com>
5172
5173         PR rtl-optimization/36017
5174         * builtins.c (expand_errno_check): Clear CALL_EXPR_TAILCALL before
5175         expanding the library call.
5176
5177 2008-04-22  Ian Lance Taylor  <iant@google.com>
5178
5179         * fold-const.c (pointer_may_wrap_p): Call int_size_in_bytes rather
5180         than size_in_bytes.
5181
5182 2008-04-22  Pat Haugen  <pthaugen@us.ibm.com>
5183
5184         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase cost
5185         of LR/CTR moves for Power6.
5186
5187 2008-04-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
5188
5189         PR middle-end/36003
5190         * passes.c (init_optimization_passes): Remove
5191         pass_fast_rtl_byte_dce.
5192         
5193 2008-04-22  Uros Bizjak  <ubizjak@gmail.com>
5194
5195         PR target/29096
5196         * config/i386/xmmintrin.h (_mm_cvtpi16_ps): Rearrange calls to
5197         builtin functions to generate faster code.
5198         (_mm_cvtpu16_ps): Ditto.
5199         (_mm_cvtpi32x2_ps): Ditto.
5200
5201 2008-04-22  Nick Clifton  <nickc@redhat.com>
5202
5203         * common.opt (ftree-loop-distribution): Add Optimization
5204         attribute.
5205
5206         * config/frv/frv.c (frv_stack_info): Use crtl instead of cfun.
5207         (frv_expand_builtin_va_start): Likewise.
5208
5209         * config/arm/arm.c (thumb_find_work_register): Fix location of
5210         argument register count.
5211
5212 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
5213
5214         Support scheduling for ColdFire V1 and V3 microarchitecture.
5215         Improve scheduling of multiplication instructions.
5216
5217         * config/m68k/m68k.md (cpu): Add cfv1 and cfv3.  Rename cf_v2 to cfv1.
5218         (mac): New instruction attribute.
5219         * config/m68k/m68k.c (override_options): Handle cfv1, cfv3 and mac.
5220         (m68k_sched_mac): New variable.
5221         (m68k_sched_attr_type2, m68k_sched_md_init_global): Update.
5222         Handle cfv1 and cfv3.
5223         (max_insn_size): New static variable.
5224         (struct _sched_ib): New type.
5225         (sched_ib): New static variable.
5226         (sched_ib_size, sched_ib_filled, sched_ib_insn): Convert variables
5227         to fields of 'struct _sched_ib sched_ib'.  Update all uses.
5228         (m68k_sched_variable_issue): Add modeling of cfv3 instruction buffer.
5229         Update.
5230         (m68k_sched_md_init_global, m68k_sched_md_finish_global,
5231         m68k_sched_md_init, m68k_sched_md_finish): Handle cfv1 and cfv3.  Init
5232         new variables.  Update.
5233         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
5234         Add modeling of cfv3 instruction buffer.  Update.
5235         * config/m68k/m68k-protos.h (m68k_sched_mac): Declare.
5236         * config/m68k/m68k.h (TUNE_CFV3): New macro.
5237         * config/m68k/cf.md: Change substrings 'cf_v2' to 'cfv12' or 'cfv123'.
5238         (cf_* reservations): Rename to cfv12 or cfv123 to indicate cores
5239         a particular reservation applies to.
5240         (type2): Reorganize attribute values.  Rename alu to alu_reg,
5241         alu_l to alu, move_l to omove.  Join move to alu.  Split mul
5242         to mul_l and mul_w.
5243         (cf_ib_*): Simplify description of instruction buffer.
5244         (cf_ib_w0, cf_ib_w4, cf_ib_w5, cf_ib_w6): Remove.
5245         (cf_mem): Split into cf_mem1 and cf_mem2.
5246         (cf_v2_move_??): Rename to cfv12_alu_??.
5247         (cf_v2_move_l_??): Rename to cfv12_omove_??.
5248         (cf_v2_mul_??): Remove reservations.
5249         (cfv12_mul_l_??, cfv12_mul_w_??, cfv12_mac_w_??, cfv12_mac_l_??,
5250         cfv12_emac_??, cfv12_emac_w_i0): New reservations.
5251         (cfv12_rts, cfv12_call, cfv12_bcc, cfv12_bra, cfv12_jmp): Move to
5252         appropriate place.
5253         (cfv3_alu_10, cfv3_omove_10, cfv3_alu_i0, cfv3_omove_i0, cfv3_alu_01,
5254         cfv3_alu_0i, cfv3_alu_11, cfv3_omove_11, cfv3_alu_i1, cfv3_omove_i1,
5255         cfv3_alu_1i, cfv3_omove_1i, cfv3_pea_11, cfv3_pea_i1, cfv3_mul_w_10,
5256         cfv3_mul_l_10, cfv3_mul_w_i0, cfv3_mac_w_10, cfv3_mac_l_10,
5257         cfv3_mac_w_i0, cfv3_emac_10, cfv3_emac_w_i0, cfv3_rts, cfv3_call,
5258         cfv3_bcc, cfv3_bra, cfv3_jmp): New reservations.
5259         (cfv3_*_1, cfv3_*_2, cfv3_*_3): New instruction reservations that are
5260         expansions of the above reservations for instructions of sizes
5261         1, 2 and 3 words.
5262
5263 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
5264
5265         * rtl-factoring.c (collect_patterns_seqs): Handle CC0 targets.
5266
5267 2008-04-21  Adam Nemet  <anemet@caviumnetworks.com>
5268
5269         * coverage.c: Include tree-pass.h.
5270         (coverage_counter_alloc): Print da_file_name to the dump file.
5271
5272 2008-04-21  Kenneth Zadeck  <zadeck@naturalbridge.com>
5273
5274         * sbitmap.c (sbitmap_range_empty_p): New function.
5275         * sbitmap.h (sbitmap_range_empty_p): New function.
5276         * bitmap.h: Now includes obstack.h.
5277
5278 2008-04-21  Richard Sandiford  <rsandifo@nildram.co.uk>
5279             Kenneth Zadeck  <zadeck@naturalbridge.com>
5280
5281         * dbgcnt.def (ra_byte_scan): Added.
5282         * dbgcnt.c (dbg_cnt): Added code to print message to dump_file
5283         when the last hit happens for a counter.  
5284         * timevar.def (TV_DF_BYTE_LR): New variable.
5285         * tree-pass.h (pass_fast_rtl_byte_dce): New pass.
5286         * passes.c (pass_fast_rtl_byte_dce): New pass.
5287         * fwprop.c (update_df): Added mode to call df_ref_create.
5288         Renamed DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
5289         DF_REF_EXTRACT_OFFSET.
5290         * df.h (DF_BYTE_LR, DF_BYTE_LR_BB_INFO, DF_BYTE_LR_IN, 
5291         DF_BYTE_LR_OUT, df_byte_lr): New macro.
5292         (df_mm): New enum.
5293         (df_ref_extract): Added mode field.
5294         (DF_REF_WIDTH, DF_REF_OFFSET) Renamed to DF_REF_EXTRACT_WIDTH and
5295         DF_REF_EXTRACT_OFFSET.
5296         (DF_REF_EXTRACT_MODE): New macro.
5297         (df_byte_lr_bb_info): New structure.
5298         (df_print_byte_regset, df_compute_accessed_bytes, 
5299         df_byte_lr_add_problem, df_byte_lr_get_regno_start,
5300         df_byte_lr_get_regno_len, df_byte_lr_simulate_defs,
5301         df_byte_lr_simulate_uses,
5302         df_byte_lr_simulate_artificial_refs_at_top,
5303         df_byte_lr_simulate_artificial_refs_at_end,
5304         df_compute_accessed_bytes): New function.
5305         (df_ref_create): Add parameter.
5306         (df_byte_lr_get_bb_info): New inline function.
5307         * df-scan.c (df_ref_record, df_uses_record,
5308         df_ref_create_structure): Added mode parameter.
5309         (df_ref_create, df_notes_rescan, df_ref_record, df_def_record_1, 
5310         df_defs_record, df_uses_record, df_get_conditional_uses,
5311         df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect, 
5312         df_entry_block_defs_collect, df_exit_block_uses_collect):
5313         Added mode parameter to calls to df_ref_record, df_uses_record,
5314         df_ref_create_structure.
5315         (df_ref_equal_p, df_ref_compare): Added test for modes.
5316         (df_ref_create_structure): Added code to set mode.  Renamed
5317         DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
5318         DF_REF_EXTRACT_OFFSET.
5319         * df-core.c (df_print_byte_regset): New function.
5320         * df-byte-scan.c: New file.
5321         * df-problems.c (df_rd_transfer_function): Removed unnecessary
5322         calls to BITMAP_FREE.  
5323         (df_byte_lr_problem_data, df_problem problem_BYTE_LR): New structure.
5324         (df_byte_lr_get_regno_start, df_byte_lr_get_regno_len,
5325         df_byte_lr_set_bb_info, df_byte_lr_free_bb_info, 
5326         df_byte_lr_check_regs, df_byte_lr_expand_bitmap, 
5327         df_byte_lr_alloc, df_byte_lr_reset, df_byte_lr_bb_local_compute,
5328         df_byte_lr_local_compute, df_byte_lr_init,
5329         df_byte_lr_confluence_0, df_byte_lr_confluence_n, 
5330         df_byte_lr_transfer_function, df_byte_lr_free, 
5331         df_byte_lr_top_dump, df_byte_lr_bottom_dump,
5332         df_byte_lr_add_problem, df_byte_lr_simulate_defs, 
5333         df_byte_lr_simulate_uses,
5334         df_byte_lr_simulate_artificial_refs_at_top,
5335         df_byte_lr_simulate_artificial_refs_at_end): New function.
5336         * dce.c (byte_dce_process_block): New function.
5337         (dce_process_block): au is now passed in rather than computed
5338         locally.  Changed loops that look at artificial defs to not look
5339         for conditional or partial ones, because there never are any.  
5340         (fast_dce): Now is able to drive byte_dce_process_block or 
5341         dce_process_block depending on the kind of dce being done.
5342         (rest_of_handle_fast_dce): Add parameter to fast_dce.
5343         (rest_of_handle_fast_byte_dce): New function.
5344         (rtl_opt_pass pass_fast_rtl_byte_dce): New pass.
5345         * Makefile.in (df-byte-scan.o, debugcnt.o): Added dependencies.
5346
5347 2008-04-21  Daniel Franke  <franke.daniel@gmail.com>
5348
5349         PR fortran/35019
5350         * gcc.h: Added fortran options that take arguments to
5351         DEFAULT_SWITCH_TAKES_ARG and DEFAULT_WORD_SWITCH_TAKES_ARG
5352         macros.
5353
5354 2008-04-20  Eric Botcazou  <ebotcazou@adacore.com>
5355
5356         * tree-sra.c (sra_walk_expr) <VIEW_CONVERT_EXPR>: Disable
5357         scalarization if on the LHS and not a full access.
5358
5359 2008-04-20  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5360
5361         * Makefile.in (s-gtyp-input): Remove tmp-gi.list before writing it.
5362
5363 2008-04-18  Rafael Espindola  <espindola@google.com>
5364
5365         * tree-vrp.c (find_case_label_index): Fix the binary search.
5366         (find_case_label_range): New.
5367         (vrp_visit_switch_stmt): Use find_case_label_range.
5368         (simplify_switch_using_ranges): Use find_case_label_range.
5369
5370 2008-04-18  Eric Botcazou  <ebotcazou@adacore.com>
5371
5372         * gimplify.c (gimplify_modify_expr_rhs) <COND_EXPR>: Gimplify the LHS
5373         using the is_gimple_lvalue predicate instead of is_gimple_min_lval.
5374
5375 2008-04-18  Tom Tromey  <tromey@redhat.com>
5376
5377         PR libcpp/15500:
5378         * doc/cpp.texi (Implementation-defined behavior): Mention
5379         -finput-charset.
5380
5381 2008-04-18  Ian Lance Taylor  <iant@google.com>
5382
5383         * fold-const.c (pointer_may_wrap_p): New static function.
5384         (fold_comparison): Add another test for pointer overflow.  Use
5385         pointer_may_wrap_p to disable some false positives.
5386
5387 2008-04-18  Kris Van Hees <kris.van.hees@oracle.com>
5388           
5389         * c-common.c (CHAR16_TYPE, CHAR32_TYPE): New macros.
5390         (fname_as_string): Match updated cpp_interpret_string prototype.
5391         (fix_string_type): Support char16_t* and char32_t*.
5392         (c_common_nodes_and_builtins): Add char16_t and char32_t (and
5393         derivative) nodes.  Register as builtin if C++0x.
5394         (c_parse_error): Support CPP_CHAR{16,32}.
5395         * c-common.h (RID_CHAR16, RID_CHAR32): New elements. 
5396         (enum c_tree_index) <CTI_CHAR16_TYPE, CTI_SIGNED_CHAR16_TYPE,
5397         CTI_UNSIGNED_CHAR16_TYPE, CTI_CHAR32_TYPE, CTI_SIGNED_CHAR32_TYPE,
5398         CTI_UNSIGNED_CHAR32_TYPE, CTI_CHAR16_ARRAY_TYPE,
5399         CTI_CHAR32_ARRAY_TYPE>: New elements.
5400         (char16_type_node, signed_char16_type_node, unsigned_char16_type_node,
5401         char32_type_node, signed_char32_type_node, char16_array_type_node,
5402         char32_array_type_node): New defines.
5403         * c-lex.c (cb_ident): Match updated cpp_interpret_string prototype.
5404         (c_lex_with_flags): Support CPP_CHAR{16,32} and CPP_STRING{16,32}.
5405         (lex_string): Support CPP_STRING{16,32}, match updated
5406         cpp_interpret_string and cpp_interpret_string_notranslate prototypes.
5407         (lex_charconst): Support CPP_CHAR{16,32}.
5408         * c-parser.c (c_parser_postfix_expression): Support CPP_CHAR{16,32}
5409         and CPP_STRING{16,32}.
5410
5411 2008-04-18  Paolo Bonzini  <bonzini@gnu.org>
5412
5413         PR bootstrap/35457
5414         * aclocal.m4: Regenerate.
5415         * configure: Regenerate.
5416
5417 2008-04-18  Jan Hubicka  <jh@suse.cz>
5418
5419         * except.c (dw2_size_of_call_site_table,
5420         sjlj_size_of_call_site_table): Use vector API for call_site_record.
5421
5422         * cgraphbuild.c (build_cgraph_edges): Update.
5423         * tree-pass.h: Update comment.
5424         * final.c (leaf_function_p): Update.
5425         (leaf_renumber_regs): Update.
5426         (rest_of_clean_state): Update.
5427         * omp-low.c (expand_omp_parallel): Update.
5428         * ipa-reference.c (analyze_function): Update.
5429         * reorg.c (find_end_label): Update.
5430         (optimize_skip): Update.
5431         (fill_simple_delay_slots): Update.
5432         (fill_simple_delay_slots): Update.
5433         (make_return_insns): Update.
5434         (dbr_schedule): Update.
5435         * gimple-low.c (record_vars_into): Update.
5436         * cfgbuild.c (make_edges): Update.
5437         * function.c (assign_stack_local): Update.
5438         (assign_parm_adjust_stack_rtl): Update.
5439         (locate_and_pad_parm): Update.
5440         (allocate_struct_function): Do not initialize stack_alignment_needed
5441         and preferred_stack_boundary here.
5442         (stack_protect_prologue): Update.
5443         (stack_protect_epilogue): Update.
5444         (expand_function_start): Initialize stack_alignment_needed,
5445         preferred_stack_boundary and max_jumptable_ents.
5446         (expand_function_end): Update.
5447         (free_after_compilation): Do not NULLify epilogue_delay_list.
5448         * function.h (struct rtl_data): Add stack_protect_guard,
5449         stack_alignment_needed,
5450         preferred_stack_boundary, epilogue_delay_list.
5451         (struct function): Remove value_histograms, stack_alignment_needed,
5452         preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
5453         last_label_uid,
5454         unexpanded_var_list, stack_protect_guard.
5455         (current_function_epilogue_delay_list): Remove.
5456         * ipa-type-escape.c (analyze_function): Update.
5457         * gimplify.c (pop_gimplify_context): Update comment.
5458         * calls.c (expand_call): Update.
5459         (emit_library_call_value_1): Update.
5460         * except.c (set_nothrow_function_flags): Update.
5461         * cfgexpand.c (get_decl_align_unit): Update.
5462         (create_stack_guard): Update.
5463         (estimated_stack_frame_size): Update.
5464         (expand_used_vars): Update.
5465         (tree_expand_cfg): Free histogram earliers, init expansion variables.
5466         * explow.c (allocate_dynamic_stack_space): Update.
5467         * tree-ssa-live.c (remove_unused_locals): Update.
5468         * varasm.c (mark_constant_pool): Update.
5469         * tree-inline.c (remap_decls): Update.
5470         (initialize_cfun): Update.
5471         (declare_return_variable): Update.
5472         (inline_forbidden_p): Update.
5473         (expand_call_inline): Update.
5474         (declare_inline_vars): Update.
5475         (tree_function_versioning): Update.
5476         * tree-flow.h (value_histograms): New.
5477         (VALUE_HISTOGRAMS): New macro.
5478         * basic-block.h (control_flow_graph): Add max_jumptable_ents,
5479         last_label_uid.
5480         * tree-cfg.c (set_bb_for_stmt): Update.
5481         (replace_by_duplicate_decl): Update.
5482         (move_block_to_fn): Update.
5483         (new_label_mapper): Update.
5484         (dump_function_to_file): Update.
5485         * ipa-struct-reorg.c (build_data_structure): Update.
5486         * cfgrtl.c (print_rtl_with_bb): Update.
5487         * reload1.c (reload): Update.
5488         (reload): Update.
5489         * config/i386/i386.c (setup_incoming_varargs_64,
5490         ix86_compute_frame_layout): Update.
5491         * config/arc/arc.c (arc_output_function_epilogue): Update.
5492
5493 2008-04-18  Marius Strobl <marius@FreeBSD.org>
5494
5495         * gthr-posix.h (__gthread_active_p): Use the Solaris implementation
5496         for FreeBSD as well.
5497         * gthr-posix95.h: Likewise.
5498
5499 2008-04-17  Richard Sandiford  <rsandifo@nildram.co.uk>
5500
5501         PR rtl-optimization/35838
5502         * dse.c (find_shift_sequence): Use subreg_lowpart_offset to work
5503         out the byte offset of the first subreg.
5504
5505 2008-04-17  Uros Bizjak  <ubizjak@gmail.com>
5506
5507         * config/i386/i386.md (addti3 splitter): Pass arrays of 3 operands
5508         to split_ti instead of three separate calls with single member arrays.
5509         (subti3 splitter): Ditto.
5510         (adddi3 splitter): Ditto with split_di.
5511         (subdi3 splitter): Ditto.
5512         (negti2 splitter): Pass arrays of 2 operands to split_ti instead of
5513         two separate calls with single member arrays.  Swap match_dup
5514         operands 1 and 2 to better fit into the array.
5515         (negdi2 splitter): Ditto with split_di.
5516         (movdfcc splitter):  Pass arrays of 2 operands to split_di instead of
5517         two separate calls with single member arrays.  Swap match_dup operands
5518         6 and 7 to better fit into the array.
5519
5520 2008-04-17  H.J. Lu  <hongjiu.lu@intel.com>
5521
5522         * config/i386/i386.c (sse_builtin_type): New.
5523         (bdesc_sse_args): Likewise.
5524         (bdesc_sse_3arg): Removed.
5525         (bdesc_2arg): Remove IX86_BUILTIN_AESKEYGENASSIST128.
5526         (bdesc_1arg): Remove IX86_BUILTIN_ROUNDPD and
5527         IX86_BUILTIN_ROUNDPS.
5528         (ix86_init_mmx_sse_builtins): Handle bdesc_sse_args.  Remove
5529         bdesc_sse_3arg.  Remove IX86_BUILTIN_ROUNDPD and
5530         IX86_BUILTIN_ROUNDPS.
5531         (ix86_expand_sse_4_operands_builtin): Removed.
5532         (ix86_expand_sse_operands_builtin): New.
5533         (ix86_expand_unop_builtin): Remove CODE_FOR_sse4_1_roundpd
5534         and CODE_FOR_sse4_1_roundps.
5535         (ix86_expand_builtin): Remove IX86_BUILTIN_AESKEYGENASSIST128.
5536         Handle bdesc_sse_args.  Remove bdesc_sse_3arg.
5537
5538 2008-04-17  Alan Modra  <amodra@bigpond.net.au>
5539
5540         PR target/35907
5541         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Restore vr and vrsave
5542         regs before frame pop when needed.  If use_backchain_to_restore_sp
5543         then load backchain into a temp reg to restore vr and vrsave.  Add
5544         code to restore vr after frame pop if possible.
5545
5546 2008-04-17  Richard Guenther  <rguenther@suse.de>
5547
5548         * tree-vn.c (expressions_equal_p): Do not check type
5549         equality or compatibility before calling operand_equal_p.
5550         * fold-const.c (operand_equal_p): Check equivalence of
5551         integer constants before bailing out due to signedness or
5552         precision differences.
5553         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Ignore
5554         spurious differences in type qualification.  Ignore types
5555         for COMPONENT_REFs at all.
5556
5557 2008-04-17  Christian Bruel  <christian.bruel@st.com>
5558
5559         * config/sh/sh.c (expand_cbranchdi4): Use original operands for
5560         msw_skip comparison.
5561         
5562 2008-04-16  Jakub Jelinek  <jakub@redhat.com>
5563
5564         PR c/35739
5565         * tree-nrv.c (tree_nrv): Don't optimize if result_type is GIMPLE
5566         reg type.
5567
5568         PR tree-optimization/35899
5569         * tree-inline.c (expand_call_inline): Use GIMPLE_STMT_OPERAND
5570         rather than TREE_OPERAND.
5571
5572 2008-04-16  Uros Bizjak  <ubizjak@gmail.com>
5573
5574         PR target/35944
5575         * config/i386/i386.md (fmodxf3): Copy operand 1 and operand 2 into
5576         temporary registers.  Change operand predicate to general_operand.
5577         (remainderxf3): Ditto.
5578
5579 2008-04-16  Richard Guenther  <rguenther@suse.de>
5580
5581         * Makefile.in (tree-affine.o): Add $(FLAGS_H) dependency.
5582         * tree-affine.c (aff_combination_expand): Look through some
5583         conversions.
5584
5585 2008-04-15  Doug Kwan  <dougkwan@google.com>
5586
5587         * dwarf2asm.c (dw2_assemble_integer): Cast to unsigned HOST_WIDE_INT
5588         for hex printing.
5589         * tree-pretty-print.c (dump_generic_node): Ditto.
5590         * final.c (output_addr_const): Ditto.
5591         * dwarf2out.c (output_cfi): Ditto.
5592         * c-pretty-print.c (pp_c_integer_constant): Ditto.
5593         * print-rtl.c (print_rtx): Ditto.
5594         * print-tree.c (print_node_brief, print_node): Ditto.
5595         * c-common.c (match_case_to_enum_1): Ditto.
5596         * sched-vis.c (print_value): Ditto.
5597         * config/i386/i386.c (print_operand): Cast to long unsigned int
5598         for hex printing.
5599
5600 2008-04-15  Danny Smith  <dannysmith@users.sourceforge.net>
5601         * libgcc2.c [L_trampoline]: Remove  unnecessary prototype for
5602         MS Windows VirtualProtect function.
5603
5604 2008-04-15  Jan Hubicka  <jh@suse.cz>
5605
5606         * gengtype.c (write_root): Param_is argument is OK.
5607         * expr.c (expand_expr_real_1): Update call of get_exception_*.
5608         * function.h: Include varray.h
5609         (rtl_eh): New stucture based on except.c one.
5610         (call_site_record): New forward declaration and vector type.
5611         * calls.c (emit_call_1): Do not call
5612         note_current_region_may_contain_throw.
5613         * except.c (eh_status): Remove cur_region, try_region since they are
5614         unused.
5615         Move filter, exc_ptr, ttype_data, ehspec_data, action_record_data and
5616         exception_handler_label_map, ehr_stackadj, ehr_handler, ehr_label,
5617         sjlj_fc, sjlj_exit_after to rth_eh in function.h. 
5618         Remove call_site_data_used, call_site_data_size.
5619         Turn call_site_record into vector in function.h.
5620         (note_current_region_may_contain_throw): Remove.
5621         (get_exception_pointer, get_exception_filter): Do not take struct
5622         function argument; update.
5623         (add_ehl_entry, find_exception_handler_labels, ehspec_filter_hash,
5624         add_ttypes_entry, add_ehspec_entry, assign_filter_values,
5625         build_post_landing_pads, dw2_build_landing_pads,
5626         sjlj_assign_call_site_values, sjlj_mark_call_sites,
5627         sjlj_emit_function_enter, sjlj_emit_function_enter, 
5628         sjlj_emit_function_exit, sjlj_emit_dispatch_table,
5629         sjlj_build_landing_pads, finish_eh_generation,
5630         remove_exception_handler_label, remove_eh_handler,
5631         maybe_remove_eh_handler, add_reachable_handler,
5632         reachable_handlers, expand_builtin_eh_return, expand_eh_return,
5633         add_action_record, collect_one_action_chain, add_call_site,
5634         convert_to_eh_region_ranges, sjlj_size_of_call_site_table,
5635         sjlj_output_call_site_table, output_function_exception_table,
5636         * except.h (note_current_region_may_contain_throw): Remove
5637         (get_exception_pointer, get_exception_filter): Do not take struct
5638         function argument.
5639         * Makefile.in (GTFILES): Put varargs before struct function.
5640
5641 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
5642
5643         * tree-ssa-structalias.c (get_constraint_for_component_ref): Do not
5644         punt for STRING_CST.
5645         (get_constraint_for): Deal with STRING_CST here instead.
5646
5647 2008-04-15  Richard Guenther  <rguenther@suse.de>
5648
5649         * tree-ssa-propagate.c (substitute_and_fold): Substitute
5650         statements in a basic-block with a backward walk.  Do not
5651         substitute into dead statements but instead remove those.
5652
5653 2008-04-15  Richard Guenther  <rguenther@suse.de>
5654
5655         * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Set default
5656         to zero, thus disable creation of SFTs.
5657
5658 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
5659
5660         * tree-predcom.c (suitable_reference_p): Return false if the
5661         reference can throw.
5662
5663 2008-04-15  Jakub Jelinek  <jakub@redhat.com>
5664
5665         PR c/35751
5666         * c-decl.c (finish_decl): If extern or static var has variable
5667         size, set TREE_TYPE (decl) to error_mark_node.
5668
5669 2008-04-15  Rafael Espindola  <espindola@google.com>
5670
5671         * fold-const.c (tree_call_nonnegative_warnv_p): Remove local
5672         variable arg1.
5673
5674 2008-04-15  Richard Guenther  <rguenther@suse.de>
5675
5676         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
5677         * tree-ssa-sccvn.c (vn_reference_lookup): New parameter maywalk.
5678         (visit_reference_op_load): Do walk vuse-vdef chains on
5679         vn_reference_lookup.
5680         (visit_reference_op_store): But do not here.
5681         * tree-vn.c (vn_lookup): Do not walk vuse-vdef chains on
5682         vn_reference_lookup.
5683         (vn_lookup_with_vuses): But do so here.
5684
5685 2008-04-14  Ian Lance Taylor  <iant@google.com>
5686
5687         * fold-const.c (fold_overflow_warning): Remove assertion.
5688
5689 2008-04-15  Ben Elliston  <bje@au.ibm.com>
5690
5691         * config/alpha/alpha.c (alpha_initialize_trampoline): Remove temp,
5692         temp1 local variables.
5693
5694 2008-04-15  Zuxy Meng  <zuxy.meng@gmail.com>
5695
5696         PR target/35661
5697         * config/i386/winnt.c (i386_pe_section_type_flags): Mark
5698         ".text.unlikely" section as executable.
5699
5700 2008-04-14  James E. Wilson  <wilson@tuliptree.org>
5701
5702         * config/ia64/ia64.c (rtx_needs_barrier): Handle
5703         UNSPEC_FR_SQRT_RECIP_APPROX_RES.
5704         * config/ia64/ia64.c (UNSPEC_FR_SQRT_RECIP_APPROX_RES): Define.
5705         (divsi3_internal, divdi3_internal_lat, divdi3_internal_thr,
5706         divsf3_internal_lat, sqrt_approx, sqrtsf2_internal_thr,
5707         divdf3_internal_lat, sqrtdf2_internal_thr, divxf3_internal_lat,
5708         divxf3_internal_thr, sqrtxf2_internal_thr, recip_approx): Use it.
5709
5710 2008-04-14  Ian Lance Taylor  <iant@google.com>
5711
5712         * flags.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Define.
5713         * fold-const.c (fold_comparison): If appropriate, test
5714         POINTER_TYPE_OVERFLOW_UNDEFINED, and issue an overflow warning.
5715         (fold_binary): Test POINTER_TYPE_OVERFLOW_UNDEFINED when
5716         reassociating a pointer type.
5717         * doc/invoke.texi (Optimize Options): Document that
5718         -fstrict-overflow applies to pointer wraparound.
5719
5720 2008-04-13  Jan Hubicka  <jh@suse.cz>
5721
5722         * m32.c (m32c_pushm_popm): Use crtl->retrun_rtx.
5723
5724 2008-04-12  Andrew Pinski  <pinskia@gmail.com>
5725
5726         * config/rs6000/rs6000.c (compute_save_world_info): Set lr_save_p if
5727         we are going to "save the world".
5728
5729 2008-04-13  Hans-Peter Nilsson  <hp@axis.com>
5730
5731         * config/cris/cris.md ("*andhi_lowpart_non_v32", "*andhi_lowpart_v32")
5732         ("*andqi_lowpart_non_v32", "*andqi_lowpart_v32"): Use "+" for the
5733         operand 0 constraint, not "=".
5734
5735 2008-04-11  James E. Wilson  <wilson@tuliptree.org>
5736
5737         * system.h: Change ASSERT_CHECKING to ENABLE_ASSERT_CHECKING.
5738
5739 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
5740
5741         * dse.c (record_store): Use HOST_BITS_PER_WIDE_INT instead
5742         of size of positions_needed * CHAR_BIT.
5743
5744 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
5745
5746         PR middle-end/35897
5747         * dse.c (store_info): Change positions_needed to unsigned
5748         HOST_WIDE_INT.
5749         (lowpart_bitmask): New.
5750         (record_store): Cast to unsigned HOST_WIDE_INT for
5751         positions_needed.  Assert width <= size of positions_needed *
5752         CHAR_BIT.  Call lowpart_bitmask to initialize positions_needed.
5753         (check_mem_read_rtx): Use unsigned HOST_WIDE_INT on mask.  Call
5754         lowpart_bitmask to set mask.
5755
5756 2008-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
5757
5758         * config/bfin/constraints.md: New file.
5759         * config/bfin/bfin.md: Include it.
5760         (adddi3): Use satisfies_constraint functions instead of the old macros.
5761         * config/bfin/bfin.h (REG_CLASS_FROM_LETTER, CONSTRAINT_LEN,
5762         CONST_18UBIT_IMM_P, CONST_16BIT_IMM_P, CONST_16UBIT_IMM_P,
5763         CONST_7BIT_IMM_P, CONST_7NBIT_IMM_P, CONST_5UBIT_IMM_P,
5764         CONST_4BIT_IMM_P, CONST_4UBIT_IMM_P, CONST_3BIT_IMM_P,
5765         CONST_3UBIT_IMM_P, CONST_OK_FOR_K, CONST_OK_FOR_P, CONST_OK_FOR_M,
5766         CONST_OK_FOR_CONSTRAINT_P, CONST_DOUBLE_OK_FOR_LETTER,
5767         EXTRA_CONSTRAINT): Delete.
5768         * config/bfin/predicates.md (highbits_operand, reg_or_7bit_operand,
5769         reg_or_neg7bit_operand): Use satisfies_constraint functions instead
5770         of the old macros.
5771         * config/bfin/bfin.c: Include "tm-constrs.h".
5772         (bfin_secondary_reload, split_load_immediate, bfin_rtx_costs):
5773         Use satisfies_constraint functions instead of the old macros.
5774         * doc/md.texi (Blackfin Constraints): Update file name reference.
5775
5776 2008-04-11  Richard Guenther  <rguenther@suse.de>
5777
5778         PR tree-optimization/35869
5779         * tree-vrp.c (execute_vrp): Move switch statement update after
5780         jump threading.  Schedule another cfg cleanup run.
5781
5782 2008-04-11  Volker Reichelt  <v.reichelt@netcologne.de>
5783
5784         PR c/35744
5785         * attribs.c (decl_attributes): Return early on errorneous node.
5786
5787 2008-04-10  Oleg Ryjkov  <olegr@google.com>
5788
5789         * tree.h (struct tree_base): Added a new flag default_def_flag.
5790         (SSA_NAME_IS_DEFAULT_DEF): Changed to use the new flag.
5791
5792 2008-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
5793
5794         * config.gcc (need_64bit_hwint): Need 64bit hwint for sh-*-*.
5795
5796 2008-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5797
5798         PR target/35768
5799         * pa.md: Define mode iterator P.  Define mode attribute dwc.
5800         (dcacheflush): Update pattern to use iterator P and attribute dwc.
5801         (icacheflush): Likewise.
5802         * pa.h (INITIALIZE_TRAMPOLINE): Use dcacheflushsi/icacheflushsi if
5803         !TARGET_64BIT, and dcacheflushdi/icacheflushdi if TARGET_64BIT.
5804
5805 2008-04-11  Ben Elliston  <bje@au.ibm.com>
5806
5807         * config/spu/spu.c (spu_init_builtins): Mark builtins as nothrow.
5808
5809 2008-04-10  Rafael Espindola  <espindola@google.com>
5810
5811         * tree-vrp.c (extract_range_from_binary_expr): Don't handle
5812         TRUTH_ANDIF_EXPR or TRUTH_ORIF_EXPR.
5813         (extract_range_from_expr): The same.
5814
5815 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
5816
5817         * config/mips/mips.md (GPR2): New mode iterator.
5818         (seq): Add comment.
5819         (*seq_<mode>, *seq_<mode>_mips16, *sne_<mode>, *sgt<u>_<mode>,
5820         *sgt<u>_<mode>_mips16, *sge<u>_<mode>, *slt<u>_<mode>,
5821         *slt<u>_<mode>_mips16 *sle<u>_<mode>, *sle<u>_<mode>_mips16):
5822         Rewrite these to take two modes, the mode of comparison and the
5823         mode of the destination.
5824         * config/mips/mips.c (mips_expand_scc): Instead of having
5825         paradoxical subreg as destination, expand "narrowing" scc if mode
5826         of comparison is SI and target is requested in DI mode.
5827         (mips_emit_int_order_test): Update comment.  Make mode of
5828         comparison match CMP0 rather than TARGET.  When creating inverse
5829         target use mode of TARGET.
5830
5831 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
5832
5833         * gcov-dump.c (tag_summary): Only print summaries for the first
5834         GCOV_COUNTERS_SUMMABLE counters.
5835
5836 2008-04-10  Uros Bizjak  <ubizjak@gmail.com>
5837
5838         * config/i386/i386.md (absneg): New code iterator.
5839         (absnegprefix): New code attribute.
5840         (<code><mode>2): Macroize expander from abs<mode>2 and neg<mode>2
5841         patterns using absneg code iterator.
5842         (<code>tf2): Macroize expander from abstf2 and negtf2 patterns
5843         using absneg code iterator.
5844         (*<code><mode>2_1): Macroize insn pattern from *abs<mode>2_1 and
5845         *neg<mode>2 patterns using absneg code iterator.
5846         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
5847         *negextendsfdf2 patterns using absneg code iterator.
5848         (*<code>extendsfxf2): Macroize insn pattern from *absextendsfxf2 and
5849         *negextendsfxf2 patterns using absneg code iterator.
5850         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
5851         *negextendsfdf2 patterns using absneg code iterator.
5852         * config/i386/sse.md (<code><mode>2): Macroize expander from
5853         abs<mode>2 and neg<mode>2 patterns using absneg code iterator. 
5854
5855 2008-04-10  Andreas Krebbel  <krebbel1@de.ibm.com>
5856
5857         * config/s390/s390.h: Remove the remains of the recent search
5858         & replace action of current_function_outgoing_args_size.
5859
5860 2008-04-10  Ira Rosen  <irar@il.ibm.com>
5861
5862         PR tree-optimization/35821
5863         * tree-vect-transform.c (vect_create_data_ref_ptr): Add check that
5864         NEW_STMT_LIST is not NULL.
5865
5866 2008-04-09  David Edelsohn  <edelsohn@gnu.org>
5867
5868         PR libstdc++/35597
5869         * toplev.c (process_options): Remove -ffunction-sections debugging
5870         warning.
5871
5872 2008-04-09  Peter Bergner  <bergner@vnet.ibm.com>
5873
5874         PR middle-end/PR28690
5875         * explow.c (break_out_memory_refs): Use simplify_gen_binary rather
5876         than gen_rtx_fmt_ee to perform more canonicalizations.
5877
5878 2008-04-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5879
5880         PR driver/35665
5881         * collect2.c (write_c_file): Don't wrap in "#ifdef __cplusplus".
5882
5883 2008-04-09  Richard Guenther  <rguenther@suse.de>
5884
5885         * tree-cfg.c (verify_stmt): Print complete bogus stmt.
5886         (dump_function_to_file): Dump function arguments with types.
5887
5888 2008-04-08  Richard Guenther  <rguenther@suse.de>
5889
5890         * fold-const.c (fold_widened_comparison): Do not allow
5891         sign-changes that change the result.
5892
5893 2008-04-08  Janis Johnson  <janis187@us.ibm.com>
5894
5895         PR target/35839
5896         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle additional
5897         kinds of indirect references.
5898
5899 2008-04-08  David Edelsohn  <edelsohn@gnu.org>
5900
5901         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update
5902         GNU Fortran language string.
5903
5904 2008-04-08  Rafael Espindola  <espindola@google.com>
5905
5906         * fold-canst.c (tree_call_nonnegative_warnv_p): New.
5907         (tree_invalid_nonnegative_warnv_p): Use tree_call_nonnegative_warnv_p.
5908         * tree.h (tree_call_nonnegative_warnv_p): New.
5909
5910 2008-04-08  Jan Hubicka  <jh@suse.cz>
5911
5912         * function.c (free_after_compilation): Clear out regno_reg_rtx
5913         pointer.
5914
5915 2008-04-08  Peter Bergner  <bergner@vnet.ibm.com>
5916
5917         Revert
5918         2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
5919
5920         PR middle-end/PR28690
5921         * rtlanal.c: (commutative_operand_precedence): Give SYMBOL_REF's the
5922         same precedence as REG_POINTER and MEM_POINTER operands.
5923
5924 2008-04-08  Richard Guenther  <rguenther@suse.de>
5925
5926         PR middle-end/35834
5927         * tree-ssa-address.c (create_mem_ref): Use POINTER_PLUS_EXPR
5928         for adding index to base.
5929
5930 2008-04-08  Kai Tietz  <kai.tietz@onevision.com>
5931
5932         * config/i386/mingw32.h (ENABLE_EXECUTE_STACK): New.
5933         (MINGW_ENABLE_EXECUTE_STACK): New.
5934         (IN_LIBGCC2): For libgcc include windows.h file for
5935         function declarations.
5936
5937 2008-04-08  Hans-Peter Nilsson  <hp@axis.com>
5938
5939         * config/cris/cris.c (cris_address_cost): For a PLUS, swap tem1
5940         and tem2 if tem1 is not a REG or MULT.
5941
5942 2008-04-08  Jan Hubicka  <jh@suse.cz>
5943
5944         * function.h (incomming_args): Break out of struct function.
5945         (function_subsections): Break out of struct function.
5946         (rtl_data): Add args, subsections fields. Break out outgoing_args_size,
5947         return_rtx and hard_reg_initial_vals from struct function.
5948         Kill inl_max_label_num.
5949         (current_function_pops_args, current_function_args_info,
5950         current_function_args_size, current_function_args_size,
5951         current_function_pretend_args_size,
5952         current_function_outgoing_args_size,
5953         current_function_internal_arg_pointer, current_function_return_rtx):
5954         Kill compatibility accestor macros.
5955         * builtins.c (expand_builtin_apply_args_1): Update.
5956         (expand_builtin_next_arg): Update.
5957         * df-scan.c (df_get_call_refs): Update.
5958         * dbxout.c (dbxout_function_end): Update.
5959         * dwarf2out.c (dwarf2out_switch_text_section): Update.
5960         (output_line_info): Update.
5961         (secname_for_decl): Update.
5962         (dwarf2out_var_location): Update.
5963         * function.c (free_after_compilation): Update.
5964         (assign_parm_find_stack_rtl): Update.
5965         (assign_parms): Update.
5966         (expand_dummy_function_end): Update.
5967         (expand_function_end): Update.
5968         * calls.c (mem_overlaps_already_clobbered_arg_p): Update.
5969         (expand_call): Update.
5970         (emit_library_call_value_1): Update.
5971         (store_one_arg): Update.
5972         * varasm.c (initialize_cold_section_name): Update.
5973         (unlikely_text_section): Update.
5974         (unlikely_text_section_p): Update.
5975         (assemble_start_function): Update.
5976         (assemble_end_function): Update.
5977         (default_section_type_flags): Update.
5978         (switch_to_section): Update.
5979         * integrate.c (set_decl_abstract_flags): Update.
5980         (get_hard_reg_initial_val): Update.
5981         (has_hard_reg_initial_val): Update.
5982         (allocate_initial_values): Update.
5983         * resource.c (init_resource_info): Update.
5984         * config/alpha/alpha.c (NUM_ARGS): Update.
5985         (direct_return): Update.
5986         (alpha_va_start): Update.
5987         (alpha_sa_size): Update.
5988         (alpha_initial_elimination_offset): Update.
5989         (alpha_expand_prologue): Update.
5990         (alpha_start_function): Update.
5991         (alpha_expand_epilogue): Update.
5992         (unicosmk_initial_elimination_offset):
5993         * config/alpha/alpha.md (call expander): Update.
5994         * config/s390/s390.c (s390_register_info): Update.
5995         (s390_register_info): Update.
5996         (s390_frame_info): Update.
5997         (s390_initial_elimination_offset): Update.
5998         (s390_build_builtin_va_list): Update.
5999         (s390_va_start): Update.
6000         * config/spu/spu.c (direct_return): Update.
6001         (spu_expand_prologue): Update.
6002         (spu_initial_elimination_offset): Update.
6003         (spu_build_builtin_va_list): Update.
6004         (spu_va_start): Update.
6005         * config/sparc/sparc.c (sparc_init_modes): Update.
6006         (sparc_compute_frame_size): Update.
6007         (function_value): Update.
6008         * config/m32r/m32r.c (m32r_compute_frame_size): Update.
6009         * config/i386/i386.md (return expander): Update.
6010         * config/i386/i386.c (ix86_va_start): Update.
6011         (ix86_can_use_return_insn_p): Update.
6012         (ix86_compute_frame_layout): Update.
6013         (ix86_expand_epilogue): Update.
6014         * config/sh/sh.c (output_stack_adjust): Update.
6015         (calc_live_regs): Update.
6016         (sh_expand_prologue): Update.
6017         (sh_builtin_saveregs): Update.
6018         (sh_va_start): Update.
6019         (initial_elimination_offset): Update.
6020         (sh_allocate_initial_value): Update.
6021         (sh_function_ok_for_sibcall): Update.
6022         (sh_get_pr_initial_val): Update.
6023         * config/sh/sh.md (return expander): Update.
6024         * config/avr/avr.c (frame_pointer_required_p): UPdate.
6025         * config/crx/crx.c (crx_compute_frame): UPdate.
6026         (crx_initial_elimination_offset): UPdate.
6027         * config/xtensa/xtensa.c (compute_frame_size): Update
6028         (xtensa_builtin_saveregs): Update.
6029         (xtensa_va_start): Update.
6030         (order_regs_for_local_alloc): Update.
6031         * config/stormy16/stormy16.c (xstormy16_compute_stack_layout): Update.
6032         (xstormy16_expand_builtin_va_start): Update.
6033         * config/fr30/fr30.c (fr30_compute_frame_size): Update.
6034         * config/m68hc11/m68hc11.md (return expanders): Update.
6035         * config/m68hc11/m68hc11.c (expand_prologue): Update.
6036         (expand_epilogue): Update.
6037         * config/cris/cris.c (cris_initial_frame_pointer_offset): Update.
6038         (cris_simple_epilogue): Update.
6039         (cris_expand_prologue): Update.
6040         (cris_expand_epilogue): Update.
6041         * config/iq2000/iq2000.c (iq2000_va_start): Update.
6042         (compute_frame_size): Update.
6043         * config/mt/mt.c (mt_compute_frame_size): Update.
6044         * config/mn10300/mn10300.c (expand_prologue): Update.
6045         (expand_epilogue): Update.
6046         (initial_offset): Update.
6047         (mn10300_builtin_saveregs):
6048         * config/mn10300/mn10300.md (return expander): Update.
6049         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
6050         (ia64_initial_elimination_offset): Update.
6051         (ia64_initial_elimination_offset): Update.
6052         (ia64_expand_prologue): Update.
6053         * config/m68k/m68k.md (return expander): Update.
6054         * config/rs6000/rs6000.c (rs6000_va_start): Update.
6055         (rs6000_stack_info): Update.
6056         * config/mcore/mcore.c (layout_mcore_frame): Update.
6057         (mcore_expand_prolog): Update.
6058         * config/arc/arc.c (arc_compute_frame_size): Update.
6059         * config/score/score3.c (score3_compute_frame_size): Update.
6060         * config/score/score7.c (score7_compute_frame_size): Update.
6061         * config/arm/arm.c (use_return_insn): Update.
6062         (thumb_find_work_register): Update.
6063         (arm_compute_save_reg_mask): Update.
6064         (arm_output_function_prologue): Update.
6065         (arm_output_epilogue): Update.
6066         (arm_size_return_regs): Update.
6067         (arm_get_frame_offsets): Update.
6068         (arm_expand_prologue): Update.
6069         (thumb_exit): Update.
6070         (thumb_unexpanded_epilogue): Update.
6071         (thumb1_output_function_prologue): Update.
6072         * config/pa/pa.md (return expander): Update.
6073         * config/pa/pa.c (compute_frame_size): Update.
6074         (hppa_builtin_saveregs): Update.
6075         * config/mips/mips.c (mips_va_start): Update.
6076         (mips16_build_function_stub): Update.
6077         (mips_compute_frame_info): Update.
6078         (mips_restore_gp): Update.
6079         (mips_output_function_prologue): Update.
6080         (mips_expand_prologue): Update.
6081         * config/v850/v850.c (compute_frame_size): Update.
6082         (expand_prologue): * config/mmix/mmix.c (along): update.
6083         (mmix_initial_elimination_offset): update.
6084         (mmix_reorg): update.
6085         (mmix_use_simple_return): update.
6086         (mmix_expand_prologue): update.
6087         (mmix_expand_epilogue): Update.
6088         * config/bfin/bfin.c (bfin_initial_elimination_offset): Update.
6089         (emit_link_insn): Update.
6090
6091 2008-04-08  Anatoly Sokolov <aesok@post.ru>
6092
6093         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Define 
6094         __AVR_HAVE_EIJMP_EICALL__ macro if device have EIJMP and EICALL 
6095         instructions.
6096         * config/avr/avr.c (avr_mcu_types): Set AVR31 architecture for 
6097         atmega103 device.
6098
6099 2008-04-07  Jan Hubicka  <jh@suse.cz>
6100
6101         * function.h (rtl): Rename to x_rtl.
6102         (crtl): New define.
6103         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
6104         frame_offset, stack_check_probe_note, arg_pointer_save_area,
6105         used_temp_slots avail_temp_slots, temp_slot_level,
6106         nonlocal_goto_handler_labels): Update accesstors.
6107         (rtl): New global variable.
6108         (struct function): Move some fileds to rtl_data.
6109         (get_arg_pointer_save_area): Update prototype.
6110         * builtins.c (expand_builtin_setjmp_receiver): Update call of
6111         get_arg_pointer_save_area.
6112         * expr.c (init_expr): Update
6113         * function.c (get_frame_size): Update
6114         (assign_stack_local): Update
6115         (expand_function_end): Update.
6116         (get_art_pointer_save_area): Update
6117         * function.h 
6118         * emit-rtl.c (rtl): Declare.
6119         (regno_reg_rtx): Declare.
6120         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
6121         Update.
6122         (gen_reg_rtx): Update.
6123         * varasm.c (n_deferred_constatns): Update accestor.
6124         (init_varasm_status): Do not allocate varasm_status.
6125         (force_const_mem, get_pool_size, output_constant_pool): Update.
6126         * stmt.c (force_label_rtx): Do not use x_ prefixes.
6127         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
6128         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Update.
6129         * sparc/sparc.h (INIT_EXPANDERS): Update.
6130         * ia64/ia64.h (INIT_EXPANDERS): Update.
6131
6132 2008-04-07  James E. Wilson  <wilson@tuliptree.org>
6133
6134         * reload.c (push_secondary_reload): Add missing break to for loop.
6135
6136 2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
6137
6138         PR middle-end/PR28690
6139         * rtlanal.c: Update copyright years.
6140         (commutative_operand_precedence): Give SYMBOL_REF's the same precedence
6141         as REG_POINTER and MEM_POINTER operands.
6142         * emit-rtl.c (gen_reg_rtx_and_attrs): New function.
6143         (set_reg_attrs_from_value): Call mark_reg_pointer as appropriate.
6144         * rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function.
6145         * gcse.c: Update copyright years.
6146         (pre_delete): Call gen_reg_rtx_and_attrs.
6147         (hoist_code): Likewise.
6148         (build_store_vectors): Likewise.
6149         (delete_store): Likewise.
6150         * loop-invariant.c (move_invariant_reg): Likewise.
6151         Update copyright years.
6152
6153 2008-04-07  Uros Bizjak  <ubizjak@gmail.com>
6154
6155         * config/i386/i386.md ("*sse_prologue_save_insn"): Use braced output
6156         control string instead of quoted.
6157
6158 2008-04-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
6159
6160         * doc/rtl.texi: Rewrite of subreg section.
6161
6162 2008-04-07  Kai Tietz  <kai.tietz@onevision.com>
6163
6164         PR/35842
6165         * config/i386/i386.c (legitimize_pic_address): Add treating
6166         of dllimport SYM_REF's.
6167         (legitimize_dllimport_symbol): Add prototype.
6168
6169 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
6170
6171         * fold-const.c (fold) <ARRAY_REF>: New case.  Try to fold constant
6172         reference in constructor with non self-referential type.
6173
6174 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
6175
6176         Removal of Return with Depressed Stack Pointer support
6177         * tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete.
6178         (ECF_SP_DEPRESSED): Likewise.
6179         (ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust.
6180         * calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED.
6181         (flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED.
6182         (expand_call): Do not test ECF_SP_DEPRESSED.
6183         * dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED.
6184         * function.c (keep_stack_depressed): Delete.
6185         (handle_epilogue_set): Likewise.
6186         (update_epilogue_consts): Likewise.
6187         (emit_equiv_load): Likewise.
6188         (thread_prologue_and_epilogue_insns): Remove support for Return with
6189         Depressed Stack Pointer.
6190         * print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED.
6191
6192 2008-04-06  Richard Guenther  <rguenther@suse.de>
6193
6194         PR tree-optimization/35400
6195         * tree-vrp.c (vrp_evaluate_conditional): Only query value-range
6196         information from SSA_NAMEs.
6197
6198 2008-04-06  Anatoly Sokolov <aesok@post.ru>
6199
6200         * config/avr/avr.h (avr_mega_p): Remove declaration.
6201         (AVR_MEGA): Remove macro.
6202         * config/avr/avr.c (avr_mega_p): Remove variable.
6203         (avr_override_options): Remove inicializion of avr_mega_p.
6204         Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
6205         (print_operand): Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
6206         (avr_jump_mode): (Ditto.).
6207         (avr_output_progmem_section_asm_op): (Ditto.).
6208         (avr_asm_init_sections): (Ditto.).
6209         (avr_asm_init_sections): (Ditto.).
6210         (avr_rtx_costs): (Ditto.).
6211         * config/avr/avr.md: (Ditto.).
6212         * config/avr/avr.h: Use '__AVR_HAVE_JMP_CALL__' instead of 
6213         '__AVR_MEGA__'.
6214
6215 2008-04-06  Richard Guenther  <rguenther@suse.de>
6216
6217         PR tree-optimization/35842
6218         * tree-ssa-address.c (fixed_address_object_p): Adjust to match
6219         is_gimple_invariant_address.
6220
6221 2008-04-06  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
6222
6223         * gcc.c (default_compilers): Sync Fortran extensions list with
6224         that in fortran/lang-specs.h.
6225         * doc/invoke.texi: Likewise.
6226         * dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
6227         * dwarf2out.c (gen_compile_unit_die): Likewise.
6228
6229 2008-04-06  Tom G. Christensen  <tgc@jupiterrise.com>
6230
6231         * gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &.
6232
6233 2008-04-05  Uros Bizjak  <ubizjak@gmail.com>
6234
6235         PR target/12329
6236         * config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
6237         attribute is used for nested functions.
6238
6239 2008-04-05  Jan Hubicka  <jh@suse.cz>
6240
6241         * emit-rtl.c (init_emit): xcalloc regno_pointer_align.
6242
6243         * tree-dump.c (dump_enable_all): Remove prototype; do not accept
6244         letter argument.
6245         (dump_files): Update.
6246         (enable_rtl_dump_file): Do not accept letter argument.
6247         * tree-pass.h (dump_file_info): Remove letter argument.
6248         * toplev.c (decode_d_option): Update -da handling.
6249         * toplev.h (enable_rtl_dump_file): Update prototype.
6250         * passes.c (register_one_dump_file): Do not accept IPA argument; work
6251         it out based on pass type.
6252         (register_dump_files_1): Likewise.
6253         (init_optimization_passes): Update register_one_dump_file calls.
6254         (execute_one_pass): Sanity check that IPA passes are called at IPA
6255         level and RTL passes at RTL level.
6256         (execute_pass_list): IPA pass can not be after or subpass of
6257         GIMPLE/RTL pass.
6258         (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
6259         disallov RTL subpasses of IPA subpasses.
6260
6261 2008-04-05  Ben Elliston  <bje@au.ibm.com>
6262
6263         * tree-cfg.c (need_fake_edge_p): Return false for calls to
6264         builtins that return exactly once and do not throw. Cache call to
6265         call_expr_flags.
6266
6267 2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>
6268
6269         PR rtl-optimization/34916
6270         PR middle-end/35519
6271         * combine.c (create_log_links): Do not create duplicate LOG_LINKS
6272         between instruction pairs.
6273
6274 2008-04-04  Naveen.H.S  <naveen.hs@kpitcummins.com>
6275
6276         * doc/invoke.texi: Document -mbitops for SH.
6277         * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
6278         * config/sh/predicates.md (bitwise_memory_operand): New predicate.
6279         * config/sh/sh.c (print_operand): Add %t operand code.
6280         * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
6281         * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
6282         (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
6283         (extendqihi2): Likewise.
6284         (movqi_i): Likewise.
6285         (insv): Use bset, bclr and bst instructions for SH2A if possible.
6286         (extv): Use bld instruction for SH2A if possible.
6287         (extzv): Likewise.
6288         (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
6289         bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
6290         bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
6291         (bset.b, bclr.b): Define peepholes.
6292         * config/sh/sh.opt (mbitops): New option.
6293
6294 2008-04-04  Janis Johnson  <janis187@us.ibm.com>
6295
6296         PR target/35620
6297         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
6298         and view convert expression.
6299
6300 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
6301
6302         PR target/35364
6303         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
6304
6305 2008-04-04  H.J. Lu  <hongjiu.lu@intel.com>
6306
6307         * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.
6308
6309         * config/i386/cpuid.h (bit_AES): New.
6310         (bit_PCLMUL): Likewise.
6311
6312         * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
6313         (override_options): Handle PTA_AES and PTA_PCLMUL.  Enable
6314         SSE2 if AES or PCLMUL is enabled.
6315         (ix86_builtins): Add IX86_BUILTIN_AESENC128,
6316         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
6317         IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
6318         IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
6319         (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
6320         (bdesc_2arg): Add IX86_BUILTIN_AESENC128,
6321         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
6322         IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
6323         (bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
6324         (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
6325         __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
6326         __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
6327         __builtin_ia32_aeskeygenassist128 and
6328         __builtin_ia32_pclmulqdq128.
6329         * config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
6330         (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
6331         IX86_BUILTIN_PSRLDQI128.  Handle IX86_BUILTIN_AESKEYGENASSIST128.
6332
6333         * config/i386/i386.h (TARGET_AES): New.
6334         (TARGET_PCLMUL): Likewise.
6335         (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.
6336
6337         * config/i386/i386.md (UNSPEC_AESENC): New.
6338         (UNSPEC_AESENCLAST): Likewise.
6339         (UNSPEC_AESDEC): Likewise.
6340         (UNSPEC_AESDECLAST): Likewise.
6341         (UNSPEC_AESIMC): Likewise.
6342         (UNSPEC_AESKEYGENASSIST): Likewise.
6343         (UNSPEC_PCLMUL): Likewise.
6344
6345         * config/i386/i386.opt (maes): New.
6346         (mpclmul): Likewise.
6347
6348         * config/i386/sse.md (aesenc): New pattern.
6349         (aesenclast): Likewise.
6350         (aesdec): Likewise.
6351         (aesdeclast): Likewise.
6352         (aesimc): Likewise.
6353         (aeskeygenassist): Likewise.
6354         (pclmulqdq): Likewise.
6355
6356         * config/i386/wmmintrin.h: New.
6357
6358         * doc/extend.texi: Document AES and PCLMUL built-in function.
6359
6360         * doc/invoke.texi: Document -maes and -mpclmul.
6361
6362 2008-04-04  Paolo Bonzini  <bonzini@gnu.org>
6363
6364         * function.c (free_after_parsing): Replace with
6365         cxx_push_function_context from C++ front-end.
6366         (allocate_struct_function): Don't call langhook.
6367         * langhooks.h (struct lang_hooks_for_functions): Delete.
6368         (struct lang_hooks): Add back missing_noreturn_ok_p here, delete
6369         member "function".
6370         * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
6371         (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
6372         LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
6373         LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
6374         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
6375         remove LANG_HOOKS_FUNCTION_INITIALIZER.
6376         * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.
6377
6378         * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
6379         Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
6380         
6381 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
6382
6383         PR c/35440
6384         * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
6385         for all types.
6386
6387 2008-04-04  Richard Guenther  <rguenther@suse.de>
6388
6389         PR middle-end/35823
6390         * fold-const.c (optimize_minmax_comparison): Use the correct
6391         type for the constant in the simplified comparison.
6392
6393 2008-04-04  Zuxy Meng <zuxy.meng@gmail.com>
6394
6395         * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
6396         Pass L2 size as "--param l2-cache-size" to the compiler.
6397         (decode_l2_cache): New function to decode L2 cache parameters using
6398         0x8000006 extended cpuid function.
6399         (detect_caches_amd): Determine parameters of L2 cache using
6400         decode_l2_caches function.
6401         (decode_caches_intel): Decode L2 cache parameters.
6402         (detect_caches_intel): Determine L2 cache parameters using
6403         decode_caches_intel and decode_l2_caches functions.
6404
6405 2008-04-03  Bob Wilson  <bob.wilson@acm.org>
6406
6407         * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
6408         secondary input reload for subword loads from the constant pool.
6409
6410 2008-04-03  Janis Johnson  <janis187@us.ibm.com>
6411
6412         PR target/35713
6413         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
6414           constants of the appropriate size for runtime calculations.
6415
6416         PR c/35712
6417         * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
6418           decimal-float literal constant zero.
6419
6420 2008-04-03  Jakub Jelinek  <jakub@redhat.com>
6421
6422         PR c/35738
6423         * c-parser.c (c_parser_omp_atomic): Call
6424         default_function_array_conversion on the RHS.
6425
6426         PR middle-end/35818
6427         * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
6428         call is_variable_sized if decl has incomplete type.
6429
6430 2008-04-03  H.J. Lu  <hongjiu.lu@intel.com>
6431
6432         * config/i386/i386-protos.h (ix86_aligned_p): Removed.
6433
6434 2008-04-03  Adam Nemet  <anemet@caviumnetworks.com>
6435
6436         * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
6437         iterators.
6438         (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and leu.
6439         (sgt<u>): Merge sgt and sgtu into new expander.
6440         (sgt, sgtu): Remove expanders.
6441         (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new pattern.
6442         (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
6443         (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
6444         *sgtu_<mode>_mips16 into new pattern.
6445         (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
6446         (sge<u>): Merge sge and sgeu into new expander.
6447         (sge, sgeu): Remove expanders.
6448         (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
6449         new pattern.
6450         (*sge_<mode>, second *sge_<mode>): Remove patterns.
6451         (slt<u>): Merge slt and sltu into new expander.
6452         (slt, sltu): Remove expanders.
6453         (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new pattern.
6454         (*slt_<mode>, *sltu_<mode>): Remove patterns.
6455         (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
6456         *sltu_<mode>_mips16 into new pattern.
6457         (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
6458         (sle<u>): Merge sle and sleu into new expander.
6459         (sle, sleu): Remove expanders.
6460         (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new pattern.
6461         (*sle_<mode>, *sleu_<mode>): Remove patterns.
6462         (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
6463         *sleu_<mode>_mips16 into new pattern.
6464         (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
6465
6466 2008-04-03  Jan Hubicka  <jh@suse.cz>
6467
6468         PR tree-optimization/35795
6469         * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
6470         * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
6471         * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
6472         * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
6473         * score/score3.c (score3_output_mi_thunk): Likewise.
6474         * score/score7.c (score7_output_mi_thunk): Likewise.
6475         * mips/mips.c (mips_output_mi_thunk): Likewise.
6476
6477 2008-04-03  Richard Guenther  <rguenther@suse.de>
6478
6479         * tree-vrp.c (extract_range_from_unary_expr): Handle all
6480         conversions.  Simplify code.
6481
6482 2008-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
6483
6484         * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
6485
6486 2008-04-03  Tom Tromey  <tromey@redhat.com>
6487             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6488
6489         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
6490         * config/bfin/t-bfin-linux (generated_files): Add
6491         linux-sysroot-suffix.h.
6492         * doc/install.texi (Prerequisites): Require make 3.80.
6493         * doc/sourcebuild.texi (Front End Directory): Document new
6494         variable.
6495         * Makefile.in (generated_files): New variable.
6496         (ALL_HOST_OBJS): New variable.
6497         ($(ALL_HOST_OBJS)): New target.
6498
6499 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
6500
6501         * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
6502         (remap_block): Call id->transform_lang_insert_block instead
6503         of langhook.
6504         (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
6505         Set id.transform_lang_insert_block to NULL.
6506         (clone_body): Move to cp/optimize.c
6507         * tree-inline.h (struct copy_body_data): Change
6508         transform_lang_insert_block to function pointer.
6509         (copy_generic_body, copy_decl_no_change): Export.
6510         * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
6511         * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
6512         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
6513
6514         * c-tree.h (insert_block): Kill.
6515         * c-decl.c (insert_block): Kill.
6516
6517 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
6518
6519         * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
6520         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
6521         * c-tree.h (c_push_function_context, c_pop_function_context): Remove
6522         argument.
6523         * c-decl.c (c_push_function_context, c_pop_function_context): Remove
6524         argument, call {push,pop}_function_context from here.
6525         * c-parser.c: Use c_{push,pop}_function_context.
6526
6527         * function.c (push_function_context_to): Move meat ...
6528         (push_function_context): ... here.  Simplify.
6529         * function.c (pop_function_context_from): Move meat ...
6530         (pop_function_context): ... here.  Simplify.
6531         * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
6532         leave_nested).
6533         * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
6534         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
6535         (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
6536         * tree.h (push_function_context_to, pop_function_context_from): Remove.
6537
6538 2008-04-03  Ben Elliston  <bje@au.ibm.com>
6539
6540         * expmed.c (extract_force_align_mem_bit_field): Remove.
6541
6542 2008-04-03  Richard Guenther  <rguenther@suse.de>
6543
6544         PR middle-end/35800
6545         * expr.h (try_casesi): Adjust prototype.
6546         * expr.c (try_casesi): Take fallback label as extra parameter.
6547         Use that for gen_casesi if default_label is NULL.
6548         * stmt.c (expand_case): Pass fallback label to try_casesi,
6549         make sure to fill gaps with a fallback label if default_label
6550         is not present.
6551
6552 2008-04-03  Dominique d'Humieres <dominiq@lps.ens.fr>
6553
6554         PR target/35801
6555         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
6556
6557 2008-04-03  Ben Elliston  <bje@au.ibm.com>
6558
6559         * expmed.c (extract_split_bit_field): Remove if (0) code.
6560         * tree-ssa-structalias.c (do_sd_constraint): Likewise.
6561         (do_ds_constraint): Likewise.
6562
6563 2008-04-02  Joseph Myers  <joseph@codesourcery.com>
6564
6565         * doc/cppopts.texi (-dU): Document.
6566         * c-common.h (flag_dump_macros): Update comment.
6567         * c-opts.c (handle_OPT_d): Handle -dU.
6568         * c-ppoutput.c (macro_queue, define_queue, undef_queue,
6569         dump_queued_macros, cb_used_define, cb_used_undef): New.
6570         (init_pp_output): Handle -dU.
6571         (cb_line_change): Call dump_queued_macros.
6572         * toplev.c (decode_d_option): Accept -dU as preprocessor option.
6573
6574 2008-04-02  Anatoly Sokolov <aesok@post.ru>
6575
6576         * config/avr/predicates.md (io_address_operand): New predicate. 
6577         * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
6578         * config/avr/avr.c (avr_io_address_p): Remove function.
6579         (out_movqi_r_mr): Use 'io_address_operand' predicate instead of 
6580         'avr_io_address_p' function.
6581         (out_movhi_r_mr): (Ditto.).
6582         (out_movqi_mr_r): (Ditto.).
6583         (out_movhi_mr_r): (Ditto.).
6584         (avr_address_cost): (Ditto.).
6585
6586 2008-04-02  Uros Bizjak  <ubizjak@gmail.com>
6587
6588         * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
6589         Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
6590         in 32bit mode when XMM registers are available to avoid store
6591         forwarding stalls.
6592         (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
6593         corresponding post-reload splitters.
6594
6595 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
6596
6597         * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
6598         and __builtin_ia32_shufpd.  Provide __builtin_ia32_roundsd and
6599         __builtin_ia32_roundss.
6600         (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
6601         __builtin_ia32_shufpd, __builtin_ia32_roundsd and
6602         __builtin_ia32_roundss.
6603         (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
6604         IX86_BUILTIN_SHUFPD here.
6605
6606 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
6607
6608         * config/i386/i386.md (plogic): New.
6609         (plogicprefix): Likewise.
6610
6611         * config/i386/mmx.md (mmx_<code><mode>3): New.
6612         (mmx_and<mode>3): Removed.
6613         (mmx_ior<mode>3): Likewise.
6614         (mmx_xor<mode>3): Likewise.
6615
6616         * config/i386/sse.md (<code><mode>3): New.
6617         (*<code><mode>3): Likewise.
6618         (*<code><mode>3): Likewise.
6619         (<code><mode>3): Likewise.
6620         (*sse_<code><mode>3): Likewise.
6621         (*sse2_<code><mode>3): Likewise.
6622         (<code>tf3): Likewise.
6623         (*<code>tf3): Likewise.
6624         (and<mode>3): Likewise.
6625         (*and<mode>3): Likewise.
6626         (ior<mode>3): Removed.
6627         (*ior<mode>3): Likewise.
6628         (xor<mode>3): Likewise.
6629         (*xor<mode>3): Likewise.
6630         (*and<mode>3): Likewise.
6631         (*ior<mode>3): Likewise.
6632         (*xor<mode>3): Likewise.
6633         (and<mode>3): Likewise.
6634         (*sse_and<mode>3): Likewise.
6635         (*sse2_and<mode>3): Likewise.
6636         (andtf3): Likewise.
6637         (*andtf3): Likewise.
6638         (ior<mode>3): Likewise.
6639         (*sse_ior<mode>3): Likewise.
6640         (*sse2_ior<mode>3): Likewise.
6641         (iortf3): Likewise.
6642         (*iortf3): Likewise.
6643         (xor<mode>3): Likewise.
6644         (*sse_xor<mode>3): Likewise.
6645         (*sse2_xor<mode>3): Likewise.
6646         (xortf3): Likewise.
6647         (*xortf3): Likewise.
6648
6649 2008-04-02  Richard Guenther  <rguenther@suse.de>
6650
6651         PR tree-optimization/14495
6652         PR tree-optimization/34793
6653         * tree-vrp.c (struct switch_update): New structure.
6654         (to_remove_edges, to_update_switch_stmts): New VECs.
6655         (simplify_switch_using_ranges): New function.  Remove not taken
6656         case labels and edges.
6657         (simplify_stmt_using_ranges): Call it.
6658         (identify_jump_threads): Mark edges we have queued for removal
6659         so we don't thread them.
6660         (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
6661         case label vector.
6662         * tree-cfg.c (group_case_labels): Deal with missing default label.
6663         (tree_verify_flow_info): Allow missing default label.
6664         * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
6665         (emit_case_nodes): Likewise.
6666         (expand_case): Do not rely on the default label to be present.
6667         * expr.c (try_casesi): Deal with NULL default_label.
6668         (do_tablejump): Likewise.
6669
6670 2008-04-02  Richard Guenther  <rguenther@suse.de>
6671
6672         PR tree-optimization/14495
6673         * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
6674         SWITCH_EXPR here ...
6675         (vrp_visit_switch_stmt): ... but here (new function).
6676         (find_case_label_index): New helper function.
6677         (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
6678
6679 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
6680
6681         * fwprop.c: Fix ISO-C99ism.
6682
6683 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
6684
6685         PR bootstrap/35752
6686         * Makefile.in (objdir): Set it here.
6687         * configure.ac: Not here.  Find dynamic linker characteristics.
6688         * exec-tool.in: Use them.
6689         * aclocal.m4: Regenerate.
6690         * configure: Regenerate.
6691
6692 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
6693
6694         * expr.c (expand_var): Delete it.
6695         * expr.h (expand_var): Delete prototype.
6696         * function.c (expand_function_start): Use expand_decl instead.
6697         * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
6698         langhook.
6699
6700 2008-04-02  Andy Hutchinson <hutchinsonamdy@aim.com>
6701
6702         PR rtl-optimization/35542
6703         * fwprop.c (forward_propagate_and_simplify): Replace
6704         loc_reg_mentioned_in_p with reg_mentioned_p.
6705
6706 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
6707
6708         PR rtl-optimization/35281
6709         * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
6710         (propagate_rtx_1): Handle PR_HANDLE_MEM.
6711         (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
6712         (varying_mem_p): Move above propagate_rtx.
6713         (all_uses_available_at): Do not check MEMs.
6714
6715 2008-04-02  Rafael Espindola  <espindola@google.com>
6716
6717         * tree-vrp.c (extract_code_and_val_from_cond): Remove.
6718         (register_edge_assert_for_2): Split the cond argument.
6719         (register_edge_assert_for_1): Adjust for the change in
6720         register_edge_assert_for_2.
6721         (register_edge_assert_for): Split the cond argument.
6722         (find_switch_asserts): Adjust for the change in
6723         register_edge_assert_for.
6724
6725 2008-04-02  Kai Tietz  <kai.tietz@onevision.com>
6726
6727         * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
6728         * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
6729         offsets for 64-bit mingw.
6730         * config/i386/i386.c (ix86_pass_by_reference): Correct calling
6731         abi for x86_64-pc-mingw.
6732
6733 2008-04-02  Richard Guenther  <rguenther@suse.de>
6734
6735         * tree-vrp.c (extract_range_from_assert): Make sure to not
6736         produce range min/max with TREE_OVERFOW set.
6737         If merging a anti-range and a range keep the anti-range if
6738         the range covers all values of the type.
6739         (register_edge_assert_for_2): Only allow sign-changing
6740         conversions in detecting canonical range checks.  Also
6741         register an assert for the unsigned name if useful.
6742
6743         PR tree-optimization/35787
6744         * tree-vrp.c (vrp_val_max): New function.
6745         (vrp_val_min): Likewise.
6746         (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
6747         (vrp_val_is_min): Likewise.
6748         (supports_overflow_infinity): Use vrp_val_{min,max}.
6749         (negative_overflow_infinity): Likewise.
6750         (positive_overflow_infinity): Likewise.
6751         (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
6752         (is_positive_overflow_infinity): Likewise.
6753         (is_overflow_infinity): Likewise.
6754         (avoid_overflow_infinity): Use vrp_val_{min,max} and
6755         vrp_val_is_{min,max}.
6756         (set_and_canonicalize_value_range): Canonicalize anti-ranges
6757         to ranges if possible.  Avoid empty ranges.
6758
6759 2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6760
6761         PR middle-end/35705
6762         * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
6763         the expression is a function address.
6764
6765 2008-04-01  George Helffrich  <george@gcc.gnu.org>
6766
6767         PR fortran/35154, fortran/23057
6768         * dbxout.c: Emit .stabs debug info for Fortran COMMON block
6769         variables as base symbol name + offset using N_BCOMM/N_ECOMM.
6770         (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
6771         (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
6772         in common.
6773         (dbxout_syms): Check for COMMON-based symbol and wrap in
6774         N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
6775         in bracket for efficiency.
6776
6777         * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
6778         using DW_TAG_common_block + member offset.
6779         (add_pubname_string): New function.
6780         (dw_expand_expr): New function to find block name and offset for
6781         COMMON var.
6782         (common_check): New function to check whether symbol in Fortran COMMON.
6783         (gen_variable_die): If COMMON, use DW_TAG_common_block.
6784
6785 2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>
6786
6787         PR c/35436
6788         * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
6789
6790 2008-04-02  Ben Elliston  <bje@au.ibm.com>
6791
6792         * config/v850/v850.md (casesi): Remove if (0) code.
6793         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
6794         * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
6795
6796 2008-04-01  Uros Bizjak  <ubizjak@gmail.com>
6797
6798         * config/i386/i386.md (rex64suffix): New mode attribute.
6799         (floathi<mode>2): Disable expander for SSE math.
6800         (*floathi<mode>2_1): New insn insn_and_split pattern.
6801         (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
6802         corresponding post-reload splitters.
6803         (*floathi<mode>2_i387): New macroized insn pattern.
6804         (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
6805         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
6806         insn_and_split pattern.
6807         (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
6808         New macroized instruction patterns and corresponding post-reload
6809         splitters.
6810         (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
6811         and corresponding post-reload splitters.
6812         (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
6813         New macroized instruction patterns.
6814         (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
6815         macroized instruction patterns and corresponding post-reload splitters.
6816         (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
6817         corresponding post-reload splitters.
6818         (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
6819         New macroized instruction patterns.
6820         (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
6821         corresponding post-reload splitters.
6822         (*floatsi<mode>2_i387): New macroized instruction patterns.
6823
6824 2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>
6825
6826         * config/i386/i386.md (smaxmin): New.
6827         (umaxmin): Likewise.
6828         (maxminiprefix): Likewise.
6829         (maxminfprefix): Likewise.
6830         (<code><mode>3): Likewise.
6831         (smin<mode>3): Removed.
6832         (smax<mode>3): Likewise.
6833
6834         * config/i386/mmx.md (mmx_<code>v2sf3): New.
6835         (mmx_<code>v4hi3): Likewise.
6836         (mmx_<code>v8qi3): Likewise.
6837         (mmx_smaxv2sf3): Removed.
6838         (mmx_sminv2sf3): Likewise.
6839         (mmx_umaxv8qi3): Likewise.
6840         (mmx_smaxv4hi3): Likewise.
6841         (mmx_uminv8qi3): Likewise.
6842         (mmx_sminv4hi3): Likewise.
6843
6844         * config/i386/sse.md (<addsub><mode>3): New.
6845         (*<addsub><mode>3): Likewise.
6846         (<sse>_vm<addsub><mode>3): Likewise.
6847         (<maxmin><mode>3): Likewise.
6848         (*<maxmin><mode>3_finite): Likewise.
6849         (*<maxmin><mode>3): Likewise.
6850         (<sse>_vm<maxmin><mode>3): Likewise.
6851         (sse3_h<addsub>v4sf3): Likewise.
6852         (sse3_h<addsub>v2df3): Likewise.
6853         (<maxmin>v16qi3): Likewise.
6854         (*<maxmin>v16qi3): Likewise.
6855         (<maxmin>v8hi3): Likewise.
6856         (*<maxmin>v8hi3): Likewise.
6857         (*sse4_1_<maxmin><mode>3): Likewise.
6858         (*sse4_1_<maxmin><mode>3): Likewise.
6859         (add<mode>3): Removed.
6860         (*add<mode>3): Likewise.
6861         (<sse>_vmadd<mode>3): Likewise.
6862         (sub<mode>3): Likewise.
6863         (*sub<mode>3): Likewise.
6864         (<sse>_vmsub<mode>3): Likewise.
6865         (smin<mode>3): Likewise.
6866         (*smin<mode>3_finite): Likewise.
6867         (*smin<mode>3): Likewise.
6868         (<sse>_vmsmin<mode>3): Likewise.
6869         (smax<mode>3): Likewise.
6870         (*smax<mode>3_finite): Likewise.
6871         (*smax<mode>3): Likewise.
6872         (<sse>_vmsmax<mode>3): Likewise.
6873         (sse3_haddv4sf3): Likewise.
6874         (sse3_haddv2df3): Likewise.
6875         (sse3_hsubv4sf3): Likewise.
6876         (sse3_hsubv2df3): Likewise.
6877         (umaxv16qi3): Likewise.
6878         (*umaxv16qi3): Likewise.
6879         (smaxv8hi3): Likewise.
6880         (*smaxv8hi3): Likewise.
6881         (*sse4_1_smax<mode>3): Likewise.
6882         (*sse4_1_umax<mode>3): Likewise.
6883         (uminv16qi3): Likewise.
6884         (*uminv16qi3): Likewise.
6885         (sminv8hi3): Likewise.
6886         (*sminv8hi3): Likewise.
6887         (*sse4_1_smin<mode>3): Likewise.
6888         (*sse4_1_umin<mode>3): Likewise.
6889
6890 2008-04-01  Rafael Espindola  <espindola@google.com>
6891
6892         * tree-cfg.c (verify_expr): remove in_phi.
6893         (verify_stmt): Don't call walk_tree with verify_expr. Use
6894         is_gimple_min_invariant instead of is_gimple_val.
6895
6896 2008-04-01  Joseph Myers  <joseph@codesourcery.com>
6897
6898         * doc/include/gpl_v3.texi: Update for manpage generation.
6899         * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
6900         gpl.texi.
6901         * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
6902         * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
6903         gpl_v3.texi instead of gpl.texi.
6904         (gpl.pod): New.
6905
6906 2008-04-01  Jakub Jelinek  <jakub@redhat.com>
6907
6908         PR pch/13675
6909         * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
6910
6911 2008-04-01  Rafael Espindola  <espindola@google.com>
6912
6913         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
6914         (extract_code_and_val_from_cond): Use
6915         extract_code_and_val_from_cond_with_ops.
6916
6917 2008-04-01  Jan Hubicka  <jh@suse.cz>
6918
6919         * function.c (free_after_compilation): Free epilogue_delay_list.
6920         (prepare_function_start): Assert that previous compilation was freed.
6921
6922 2008-04-01  Jan Hubicka  <jh@suse.cz>
6923             Jim Wilson  <wilson@tuliptree.org>
6924             Andreas Tobler <andreast@gcc.gnu.org>
6925
6926         PR middle-end/35781
6927         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
6928         rtl.emit instead cfun->emit.
6929         * sparc/sparc.h (INIT_EXPANDERS): Likewise.
6930         * ia64/ia64.h (INIT_EXPANDERS): Likewise.
6931
6932 2008-04-01  Ben Elliston  <bje@au.ibm.com>
6933
6934         * doc/c-tree.texi (Function Basics): Fix grammatical error.
6935
6936 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
6937
6938         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
6939         New options
6940         (fprofile-use): Add var flag_profile_use
6941         * coverage.c (coverage_begin_output): Do not open a gcno file for
6942         output only if -ftest-coverage is set.
6943         Do not add getpwd() to gcda file path.
6944         (build_gcov_info): Check the new flag
6945         flag_profile_datafile_relative_path.
6946         (coverage_init): Use profile_data_prefix.
6947         Read profile counter only if flag_profile_use is set.
6948         * opts.c (common_handle_option): New option fprofile-use=,
6949         fprofile-dir=, fprofile-generate=.
6950         * toplev.c (profile_data_prefix): New variable definition.
6951         * toplev.h (profile_data_prefix): New declaration.
6952         * doc/invoke.tex (Option Summary, Optimization Options):
6953         Add new options.
6954
6955 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
6956
6957         * varasm.c (output_constant_pool_1): In LABEL_REF check,
6958         use tmp consistently.
6959
6960         PR target/35695
6961         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
6962         * config/ia64/ia64.c (rtx_needs_barrier): Handle
6963         UNSPEC_FR_RECIP_APPROX_RES.
6964         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
6965
6966 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
6967
6968         PR c/35750
6969         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
6970
6971 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6972
6973         PR middle-end/30186
6974         * fold-const.c (fold_indirect_ref_1): Support accessing non first
6975         element of the vector via a pointer.
6976
6977 2008-03-31  Ian Lance Taylor  <iant@google.com>
6978
6979         * tlink.c (scan_linker_output): Look for symbol name in single quotes.
6980
6981 2008-03-31  Jan Hubicka  <jh@suse.cz>
6982
6983         * builtins.c (expand_builtin_setjmp_receiver): Update call of
6984         get_arg_pointer_save_area.
6985         * expr.c (init_expr): Just clear out rtl.expr.
6986         * function.c (free_after_compilation): Clear out whole RTL structure.
6987         (get_func_frame_size): Merge into ...
6988         (get_frame_size): ... this one.
6989         (assign_stack_local_1): Merge into ...
6990         (assign_stack_local): ... this one.
6991         (expand_function_end): Update call of get_arg_pointer_save_area.
6992         (get_art_pointer_save_area): Remove cfun argument.
6993         * function.h (emit_status): regno_pointer_align does not need length
6994         attribute. Move x_regno_reg_rtx to ...
6995         (regno_reg_rtx): ... new global array.
6996         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
6997         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
6998         apply_args_value, forced_labels, stack_pointer_delta):
6999         Update accestors.
7000         (struct varasm_status): Move here from varasm.c
7001         (struct rtl_data): New. Move here some fields from struct function.
7002         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
7003         frame_offset, stack_check_probe_note, arg_pointer_save_area,
7004         used_temp_slots avail_temp_slots, temp_slot_level,
7005         nonlocal_goto_handler_labels): Update accesstors.
7006         (rtl): New global variable.
7007         (struct function): Move some fileds to rtl_data.
7008         (get_arg_pointer_save_area): Update prototype.
7009         * emit-rtl.c (rtl): Declare.
7010         (regno_reg_rtx): Declare.
7011         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
7012         Update.
7013         (gen_reg_rtx): Update.
7014         (init_virtual_regs): Do not tate emit_status argument.
7015         (init_emit): Do not allocate emit.
7016         * varasm.c (varasm_statuc): Move to function.h.
7017         (n_deferred_constatns): Update accestor.
7018         (init_varasm_status): Do not allocate varasm_status.
7019         (force_const_mem, get_pool_size, output_constant_pool): Update.
7020         * stmt.c (force_label_rtx): Do not use x_ prefixes.
7021         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
7022
7023 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
7024
7025         PR rtl-optimization/35729
7026         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
7027         references.
7028
7029 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
7030
7031         PR target/32000
7032         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
7033         load/store if memory is unaligned.
7034         (*movti_rex64): Likewise.
7035
7036         * config/i386/predicates.md (misaligned_operand): New.
7037
7038 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
7039
7040         PR tree-opt/35431
7041         * tree-ssa-phiopt.c (conditional_replacement): Return early for
7042         complex types.
7043
7044 2008-03-31  Jan Beulich  <jbeulich@novell.com>
7045
7046         * config/ia64/constraints.md: Add 'j' constraint.
7047         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
7048         (movdi_internal): Likewise.
7049
7050 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
7051
7052         PR c/35748
7053         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
7054
7055 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
7056
7057         PR target/35757
7058         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
7059         proper error message for the third argument on blendpd and
7060         blendps.
7061
7062         * config/i386/sse.md (blendbits): New.
7063         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
7064
7065 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
7066
7067         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
7068
7069 2008-03-30  Richard Guenther  <rguenther@suse.de>
7070
7071         PR middle-end/31023
7072         * fold-const.c (fold_sign_changed_comparison): Do leave
7073         conversions to base-types alone.
7074
7075 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7076
7077         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
7078         the link register if one altivec register is be saved.
7079
7080 2008-03-30  Ben Elliston  <bje@au.ibm.com>
7081
7082         * final.c (final_scan_insn): Remove if (0) code.
7083
7084 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
7085
7086         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
7087
7088 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
7089
7090         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
7091         of V4SFmode to ix86_binary_operator_ok.
7092
7093 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
7094
7095         * config/i386/i386.c (override_options): Initialize
7096         ix86_veclib_handler to ix86_veclibabi_svml when
7097         -mveclibabi=svml is used.
7098         (ix86_veclibabi_svml): New function for SVML ABI style
7099         vectorization support.
7100         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
7101
7102 2008-03-28  Rafael Espindola  <espindola@google.com>
7103
7104         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
7105         (tree_binary_nonnegative_warnv_p): Make it public.
7106         (tree_single_nonnegative_warnv_p): Make it public.
7107         (tree_invalid_nonnegative_warnv_p): Make it public.
7108         (tree_unary_nonzero_warnv_p): Make it public.
7109         (tree_binary_nonzero_warnv_p): Make it public
7110         (tree_single_nonzero_warnv_p): Make it public.
7111         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
7112         (extract_range_from_binary_expr): Split the expr argument.
7113         (extract_range_from_unary_expr): Split the expr argument.
7114         (extract_range_from_comparison): Split the expr argument.
7115         (extract_range_from_expr): Use the new aux functions.
7116         (vrp_evaluate_conditional_warnv): Use
7117         vrp_evaluate_conditional_warnv_with_ops.
7118         * tree.h (tree_unary_nonzero_warnv_p): Declare.
7119         (tree_binary_nonzero_warnv_p): Declare.
7120         (tree_single_nonzero_warnv_p): Declare.
7121         (tree_expr_nonzero_warnv_p): Declare.
7122         (tree_unary_nonnegative_warnv_p): Declare.
7123         (tree_binary_nonnegative_warnv_p): Declare.
7124         (tree_single_nonnegative_warnv_p): Declare.
7125         (tree_invalid_nonnegative_warnv_p): Declare.
7126
7127 2008-03-28  Richard Guenther  <rguenther@suse.de>
7128
7129         PR tree-optimization/30317
7130         PR tree-optimization/30911
7131         PR tree-optimization/34793
7132         * tree-vrp.c (set_and_canonicalize_value_range): New function.
7133         (struct assert_locus_d): New member EXPR.
7134         (register_new_assert_for): Add EXPR parameter to support
7135         ASSERT_EXPR <name, expr OP limit>.
7136         (register_edge_assert_for_1): Adjust callers.
7137         (find_assert_locations): Likewise.
7138         (process_assert_insertions_for): Build condition from expression.
7139         (extract_range_from_assert): Handle ASSERT_EXPRs
7140         of the form ASSERT_EXPR <name, expr OP limit>.
7141         (register_edge_assert_for_2): New helper registering
7142         asserts for comparisons.  Recognize range tests of the form
7143         (unsigned)i - CST1 OP CST2.
7144         (register_edge_assert_for_1): Use it.
7145         (register_edge_assert_for): Likewise.
7146         (needs_overflow_infinity): Integer sub-types
7147         do not need overflow infinities.
7148         (vrp_val_is_max): The extreme values of integer sub-types
7149         are those of the base type.
7150         (vrp_val_is_min): Likewise.
7151         * tree.def (ASSERT_EXPR): Document extra allowed conditional
7152         expressions.
7153
7154 2008-03-28  Nick Clifton  <nickc@redhat.com>
7155
7156         PR target/31110
7157         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
7158         Return GENERAL_REGS for stack adjustment reloads.
7159
7160 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7161
7162         PR target/31334
7163         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
7164         const_vector when all the vectors are constant.
7165
7166 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
7167
7168         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
7169         comparisons.
7170         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
7171         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
7172         (scc_sf): New.
7173         (s<code>_sf): Use new scc_sf attribute for opcode names.
7174
7175 2008-03-27  Tom Tromey  <tromey@redhat.com>
7176
7177         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
7178         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
7179         config/spu/t-spu-elf, config/i386/t-interix,
7180         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
7181         config/i386/x-darwin, config/i386/x-mingw32,
7182         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
7183         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
7184         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
7185         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
7186         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
7187         config/rs6000/x-darwin, config/rs6000/t-rs6000,
7188         config/score/t-score-elf, config/arm/t-strongarm-pe,
7189         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
7190         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
7191         Revert automatic dependency patch.
7192
7193 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
7194
7195         PR target/35657
7196         * config/i386/i386.c (ix86_function_arg_boundary): Align
7197         decimal floating point to its natural boundary.
7198
7199 2008-03-27  Richard Guenther  <rguenther@suse.de>
7200
7201         PR middle-end/35716
7202         * fold-const.c (fold_comparison): Restrict distinct decl
7203         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
7204         solely rely on operand_equal_p.
7205
7206 2008-03-27  Richard Guenther  <rguenther@suse.de>
7207
7208         PR c/32511
7209         * c-common.c (handle_weak_attribute): Reject combination of
7210         weak and inline.
7211
7212 2008-03-27  Richard Guenther  <rguenther@suse.de>
7213
7214         PR tree-optimization/32810
7215         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
7216         conversions from DECL_INITIAL.
7217         (fold_const_aggregate_ref): Likewise from constructor elements.
7218
7219 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
7220
7221         * tree-affine.h (aff_combination_expand): Declare.
7222         (get_inner_reference_aff): Likewise.
7223         * tree-affine.c (aff_combination_expand): Split out from
7224         tree_to_aff_combination_expand.
7225         (get_inner_reference_aff): New function.
7226         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
7227         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
7228         (struct lim_aux_data): sm_done field removed.
7229         (mem_ref_loc_p, mem_ref_locs_p): New types.
7230         (struct mem_ref): Added id, stored, accesses_in_loop,
7231         indep_loop, dep_loop, indep_ref, dep_ref fields.
7232         Removed is_stored, locs and next fields.
7233         (memory_accesses): New variable.
7234         (movement_possibility): Do not allow moving statements
7235         that store to memory.
7236         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
7237         New functions.
7238         (determine_max_movement): For statements with memory references,
7239         find the outermost loop in that the reference is independent.
7240         (move_computations_stmt): Mark the virtual operands for renaming.
7241         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
7242         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
7243         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
7244         add_vop_ref_mapping, create_vop_ref_mapping_loop,
7245         create_vop_ref_mapping, analyze_memory_references,
7246         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
7247         get_all_locs_in_loop, ref_always_accessed_p,
7248         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
7249         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
7250         store_motion_loop, store_motion): New functions.
7251         (struct vop_to_refs_elt): New type.
7252         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
7253         memref_hash, memref_eq, hoist_memory_references): Rewritten.
7254         (schedule_sm): Replaced by...
7255         (execute_sm): ... this.
7256         (determine_lsm_ref, hoist_memory_references,
7257         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
7258         find_more_ref_vops, free_mem_ref, free_mem_refs,
7259         determine_lsm_loop, determine_lsm): Removed.
7260         (tree_ssa_lim_finalize): Free data structures used by store motion.
7261         (tree_ssa_lim): Call analyze_memory_references.  Use
7262         store_motion instead of determine_lsm.
7263
7264 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
7265
7266         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
7267         rename tmake_file to m68hc11/t-m68hc11.
7268         (mcore): Set inhibit_libc to true.
7269         * config.host (alpha*-dec-*vms*): Set extra_programs.
7270         (interix3*): Don't use host_xmake_file.
7271         * configure.ac: Let config.gcc override inhibit_libc.
7272         * configure: Regenerate.
7273
7274         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
7275         * config/t-openbsd-thread: Remove commented out lines.
7276         
7277         * config/x-interix: Remove.
7278
7279         * config/m68hc11/t-m68hc11-gas: Rename to...
7280         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
7281
7282         * config/mcore/t-mcore: Remove T_CFLAGS.
7283         * config/mcore/t-mcore-pe: Likewise.
7284
7285 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
7286
7287         * configure.ac: Replace custom __GNU_SOURCE test with
7288         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
7289         * aclocal.m4: Regenerate.
7290         * configure: Regenerate.
7291         * config.in: Regenerate.
7292
7293 2008-03-27  Richard Guenther  <rguenther@suse.de>
7294
7295         * fold-const.c (target.h): Include.
7296         (fold_comparison): Fold comparison of addresses of decls
7297         that bind locally or of constants.  Consolidate address folding code.
7298         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
7299         results from fold_binary_to_constant.
7300         (compare_values_warnv): Likewise.
7301
7302 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
7303
7304         PR middle-end/35429
7305         * fold-const.c (fold_truthop): Check for integeral types when folding
7306         a == 0 && b == 0 and a != 0 || b != 0 .
7307
7308 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
7309
7310         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
7311
7312 2008-03-26  Andreas Schwab  <schwab@suse.de>
7313
7314         * doc/invoke.texi: Fix use of @item vs. @itemx.
7315
7316 2008-03-26  Tom Tromey  <tromey@redhat.com>
7317
7318         * Makefile.in (build/gensupport.o, build/print-rtl.o,
7319         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
7320         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
7321         build/gencodes.o, build/genconditions.o, build/genconfig.o,
7322         build/genconstants.o, build/genemit.o, build/genextract.o,
7323         build/genflags.o, build/genmddeps.o, build/genopinit.o,
7324         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
7325         options.h.
7326
7327 2008-03-26  Richard Guenther  <rguenther@suse.de>
7328
7329         Revert
7330         2008-03-26  Richard Guenther  <rguenther@suse.de>
7331
7332         * fold-const.c (target.h): Include.
7333         (fold_comparison): Fold comparison of addresses of two decls
7334         that bind locally.  Consolidate address folding code.
7335
7336 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7337
7338         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
7339         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
7340         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
7341         dconstsqrt2, dconstthird, dconste and/or dconst10.
7342         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
7343         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
7344         dconstsqrt2, dconste): Delete.
7345         (init_emit_once): Likewise.  Simplify initializing dconstm1.
7346         Constify variable.
7347         * real.c (get_real_const): New.
7348         * real.h (dconst3, dconst10, dconstm2, dconstthird,
7349         dconstsqrt2, dconste): Delete.
7350         (real_value_const, get_real_const): New.
7351
7352 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
7353
7354         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
7355
7356         * config/i386/i386.c (ix86_function_arg_boundary): Check
7357         BIGGEST_ALIGNMENT instead of 128.
7358         (setup_incoming_varargs_64): Likewise.
7359
7360 2008-03-26  Tom Tromey  <tromey@redhat.com>
7361
7362         * Makefile.in (DEPFILES): Add missing '/'.
7363
7364 2008-03-26  Richard Guenther  <rguenther@suse.de>
7365
7366         * fold-const.c (target.h): Include.
7367         (fold_comparison): Fold comparison of addresses of two decls
7368         that bind locally.  Consolidate address folding code.
7369
7370 2008-03-26  Nick Clifton  <nickc@redhat.com>
7371
7372         PR target/31232
7373         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
7374         not allow INT+INT as a legitimate addressing mode.
7375
7376 2008-03-26  Richard Guenther  <rguenther@suse.de>
7377
7378         * tree-flow.h (widen_bitfield): Remove declaration.
7379         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
7380         (widen_bitfield): Remove function.
7381         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
7382         code.
7383
7384 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7385
7386         PR target/31558
7387         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
7388         error_mark_node's.
7389
7390 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
7391
7392         PR rtl-optimization/35232
7393         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
7394         (forget_old_reloads_1, forget_marked_reloads): Don't clear
7395         reg_reloaded_call_part_clobbered here.
7396         (reload_regs_reach_end_p): New function.
7397         (reload_reg_rtx_for_input): New variable.
7398         (reload_reg_rtx_for_output): Likewise.
7399         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
7400         when reassigning a pseudo register.  Load reloadreg from 
7401         reload_reg_rtx_for_input, moving the mode and register
7402         calculation to...
7403         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
7404         instead of the original when deciding whether an input reload
7405         would be a no-op or whether an output reload can be deleted.
7406         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
7407         when setting up new_spill_reg_store.  Load it from
7408         reload_reg_rtx_for_output, moving the mode and register
7409         calculation to...
7410         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
7411         instead of the original when deciding whether an output reload
7412         would be a no-op.  Do the same when modifying insn notes.
7413         Use rtx_equal_p instead of == to compare the registers.
7414         (inherit_piecemeal_p): Take a mode and two register numbers
7415         as argument.
7416         (emit_reload_insns): Clear new_spill_reg_store for every hard
7417         register in the reload register.  Remove spill registers
7418         from reg_reloaded_valid before considering whether to record
7419         inheritance information for them.  Use reload_reg_rtx_for_output
7420         instead of reg_rtx when recording output reloads.  Use
7421         reload_reg_rtx_for_input instead of reg_rtx when recording
7422         input reloads.  Set or clear reg_reloaded_call_part_clobbered
7423         at the same time as setting reg_reloaded_valid.
7424         (delete_output_reload): Add a new_reload_reg parameter and use it
7425         instead of rld[j].reg_rtx.
7426         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
7427         calls accordingly.
7428
7429 2008-03-25  Tom Tromey  <tromey@redhat.com>
7430
7431         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
7432         (build/genattr.o): Likewise.
7433         (build/genattrtab.o): Likewise.
7434         (build/gencodes.o): Likewise.
7435         (build/genconfig.o): Likewise.
7436         (build/genconstants.o): Likewise.
7437         (build/genemit.o): Likewise.
7438         (build/genextract.o): Likewise.
7439         (build/genflags.o): Likewise.
7440
7441 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
7442         
7443         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
7444         instead of size_int for integer types.
7445         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
7446         to match type of MINUS_EXPR.
7447         
7448 2008-03-25  Tom Tromey  <tromey@redhat.com>
7449
7450         * configure: Rebuilt.
7451         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
7452         Makefile.
7453
7454 2008-03-25  Tom Tromey  <tromey@redhat.com>
7455
7456         * config/x-solaris (host-solaris.o): Update.
7457         * config/x-linux (host-linux.o): Update.
7458         * config/x-hpux (host-hpux.o): Update.
7459         * config/x-darwin (host-darwin.o): Update.
7460         * config/v850/t-v850e (v850-c.o): Update.
7461         * config/v850/t-v850 (v850-c.o): Update.
7462         * config/t-vxworks (vxworks.o): Update.
7463         * config/t-sol2 (sol2-c.o, sol2.o): Update.
7464         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
7465         * config/spu/t-spu-elf (spu-c.o): Update.
7466         (spu.o): Remove.
7467         * config/sh/t-symbian (sh-c.o): Update.
7468         (symbian.o): Update.
7469         * config/sh/t-sh (sh-c.o): Update.
7470         * config/score/t-score-elf (score7.o, score3.o): Update.
7471         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
7472         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
7473         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
7474         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
7475         (rs6000.o): Remove.
7476         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
7477         * config/m32c/t-m32c (m32c-pragma.o): Update.
7478         * config/ia64/t-ia64 (ia64-c.o): Update.
7479         * config/i386/x-mingw32 (host-mingw32.o): Update.
7480         * config/i386/x-i386 (driver-i386.o): Update.
7481         * config/i386/x-darwin (host-i386-darwin.o): Update.
7482         * config/i386/x-cygwin (host-cygwin.o): Update.
7483         * config/i386/t-nwld (nwld.o): Update.
7484         * config/i386/t-netware (netware.o): Update.
7485         * config/i386/t-interix (winnt.o): Update.
7486         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
7487         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
7488         msformat-c.o): Update.
7489         * config/bfin/t-bfin-linux (generated_files): Add
7490         linux-sysroot-suffix.h.
7491         * config/arm/t-wince-pe (pe.o): Update.
7492         * config/arm/t-strongarm-pe (pe.o): Update.
7493         * config/arm/t-pe (pe.o): Update.
7494         * config/arm/t-arm (arm-c.o): Update.
7495         * doc/install.texi (Prerequisites): Require make 3.80.
7496         * Makefile.in: Remove .o targets.
7497         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
7498         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
7499         (simple_generated_h, simple_generated_c): Move earlier.
7500         (generated_files): New variable.
7501         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
7502         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
7503         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
7504         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
7505         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
7506         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
7507         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
7508         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
7509         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
7510         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
7511         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
7512         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
7513         (.c.o): Remove.
7514         (COMPILE.base, COMPILE): New variables.
7515         (%.o): New pattern rule.
7516         (ALL_HOST_OBJS): New variable.
7517         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
7518         (dummy-checksum.o, cc1-checksum.o): Remove.
7519         (DRIVER_SHLIB): New variable.
7520         (DRIVER_DEFINES): Use it.
7521         (gencondmd.c): Move out of build/.
7522         (s-conditions): Update.
7523         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
7524         (ALL_BUILD_OBJS): Likewise.
7525         (build/%.o): Use BUILDCOMPILE.
7526         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
7527         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
7528         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
7529         build/gencheck.o, build/gencodes.o, build/genconditions.o,
7530         build/genconfig.o, build/genconstants.o, build/genemit.o,
7531         build/genextract.o, build/genflags.o, build/genmddeps.o,
7532         build/genopinit.o, build/genoutput.o, build/genpeep.o,
7533         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
7534         build/gen-protos.o, build/scan.o, build/fix-header.o,
7535         build/scan-decls.o): Simplify.
7536         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
7537         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
7538         prefix.o, toplev.o): Reduce to variable setting.
7539         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
7540         ($(out_object_file), gcc-options.o): New targets.
7541         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
7542         * configure: Rebuilt.
7543         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
7544         * doc/sourcebuild.texi (Front End Directory): Document new variable.
7545
7546 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
7547
7548         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
7549         complain when we hit an error, return ERROR_MARK_NODE.
7550
7551 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
7552
7553         * config/sh/constraints.md (Pso, Psz): New constraints.
7554         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
7555         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
7556
7557 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
7558
7559         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
7560         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
7561
7562 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
7563
7564         * config/sh/sh.md (prefetch): Add condition for SH2A target.
7565         (prefetch_sh2a): New.   
7566
7567 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
7568             Naveen.H.S  <naveen.hs@kpitcummins.com>
7569
7570         * config/sh/constraints.md (I28): New constraint.
7571         * config/sh/sh.c (broken_move): Add support for movi20s.
7572         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
7573
7574 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
7575             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
7576             Naveen.H.S  <naveen.hs@kpitcummins.com>
7577
7578         * config/sh/sh.c (SH_ATTRIBUTES): Define.
7579         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
7580         (print_operand): Handle resbank in %@ operand code.
7581         (sh_encode_section_info): New.
7582         (push_regs): Add conditions for resbank.
7583         (sh_expand_epilogue): Likewise.
7584         (sh_insert_attributes): Likewise.
7585         (sh_attribute_table): Likewise.
7586         (sh_handle_resbank_handler_attribute): New.
7587         (sh2a_handle_function_vector_handler_attribute): New.
7588         (sh2a_is_function_vector_call): New.
7589         (sh2a_get_function_vector_number): New.
7590         (sh2a_function_vector_p): New.
7591         (sh_cfun_resbank_handler_p): New.
7592         * config/sh/sh.md (calli): Emit jsr/n if possible.
7593         (calli_tbr_rel): New.
7594         (calli_pcrel): Emit jsr/n if possible.
7595         (return_i): Emit rts/n if possible.
7596         (call_valuei_tbr_rel): New.
7597         (call_valuei_pcrel): Add condition for SH2A target.
7598         (call_value): Likewise.
7599         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
7600         (sh2a_get_function_vector_number): Likewise.
7601         (sh2a_is_function_vector_call): Likewise.
7602         * doc/extend.texi: Document TBR relative addressing of SH2A.
7603         (resbank): Add description for SH2A.
7604
7605 2008-03-24  Richard Guenther  <rguenther@suse.de>
7606
7607         PR c/22371
7608         * gimplify.c (gimplify_modify_expr): For frontend type-correct
7609         pointer assignments change conversions according to middle-end rules.
7610         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
7611         * configure.ac: Include type checking in yes.
7612         * configure: Regenerate.
7613
7614 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7615
7616         * diagnostic.c (diagnostic_count_diagnostic): Delete.
7617         (diagnostic_report_diagnostic): Update. Handle ICEs here.
7618         
7619 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
7620
7621         * gthr-vxworks.h (UNUSED): Define.
7622
7623 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
7624
7625         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
7626
7627 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
7628
7629         * doc/extend.texi (Function Attributes): Add missing comma in the
7630         example of the "alloc_size" attribute.
7631         
7632 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
7633
7634         Revert:
7635         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
7636
7637         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
7638         32bit host.
7639
7640         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
7641
7642         PR target/35496
7643         * stor-layout.c (update_alignment_for_field): Set minimum alignment
7644         of the underlying type of a MS bitfield layout to the natural
7645         alignment of the type.
7646
7647         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
7648
7649         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
7650         to their natural alignment to avoid store forwarding stalls.
7651
7652 2008-03-22  Richard Guenther  <rguenther@suse.de>
7653
7654         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
7655         For PHI nodes verify the address is invariant.
7656         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
7657         (get_symbol_constant_value): Use is_gimple_min_invariant.
7658         (maybe_fold_stmt_indirect): Likewise.
7659
7660 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
7661
7662         PR rtl-optimization/33927
7663         * Makefile.in (dse.o): Depend on $(TM_P_H).
7664         * expr.h (extract_low_bits): Declare.
7665         * expmed.c (extract_low_bits): New function.
7666         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
7667         * dse.c: Include tm_p.h.
7668         (find_shift_sequence): Remove the read_reg argument and return the
7669         read value.  Emit the instructions instead of returning them.
7670         Iterate on new_mode rather than calculating it each time.
7671         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
7672         source to NEW_MODE and extract_low_bits to convert the shifted
7673         value to READ_MODE.
7674         (replace_read): Allow the load and store to have different mode
7675         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
7676         or extraction instructions before trying the replacement.  Update
7677         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
7678
7679 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
7680
7681         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
7682         to their natural alignment to avoid store forwarding stalls.
7683
7684 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7685
7686         PR target/27946
7687         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
7688         encouraging but not allowing gprs for input;
7689         change the input constraint to !f#r.
7690         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
7691         gprs for output;
7692         change the output constraint to !f#r.
7693
7694 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
7695
7696         PR target/13958
7697         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
7698         corresponding post-reload splitters.
7699         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
7700         when x87 FP math is selected.
7701         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
7702         New function prototype.
7703         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
7704         unreachable function to ease macroization of insn patterns.
7705
7706 2008-03-21  Martin Jambor  <mjambor@suse.cz>
7707
7708         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
7709         reference dumps if ddr is NULL or dependence is unknown.
7710
7711 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
7712
7713         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
7714         unsigned extension into account.
7715         (ATOMIC_COMPARE_AND_SWAP): Likewise.
7716         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
7717         Do computations on a scratch register.
7718
7719 2008-03-21  Richard Guenther  <rguenther@suse.de>
7720
7721         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
7722         Use is_gimple_min_invariant instead of TREE_INVARIANT.
7723         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
7724         * tree-ssa-dom.c (record_equality): Likewise.
7725         * tree-inline.c (copy_body_r): Likewise.
7726         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
7727         TREE_INVARIANT.
7728
7729 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
7730
7731         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
7732         as 'delete_unused' argument.
7733
7734 2008-03-20  Richard Guenther  <rguenther@suse.de>
7735
7736         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
7737         special casing of constant qualifiers.
7738         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
7739         care about them in general.
7740         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
7741         regardless of their type.
7742         (fold_stmt_r): Forcefully fold *& if we end up with that.
7743
7744 2008-03-20  Paul Brook  <paul@codesourcery.com>
7745
7746         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
7747         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
7748         linker flags.
7749         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
7750         definition.
7751         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
7752         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
7753
7754 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
7755
7756         * common.opt (Wmudflap): New option.
7757         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
7758         (mx_register_decls): Likewise.
7759         (mudflap_finish_file): Likewise.
7760         * doc/invoke.texi: Document -Wno-mudflap.
7761
7762 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
7763
7764         * c-format.c (replace_format_name_to_system_name): New.
7765         (cmp_attribs): New.
7766         (convert_format_name_to_system_name): New.
7767         (decode_format_attr): Add use of convert_format_name_to_system_name.
7768         (format_types_orig): Add gnu_ prefix to names.
7769         (check_format_info_main): Special treating of \0 escaped names for
7770         supporting multi-character format specifiers as I32, I64.
7771         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
7772         (gnu_target_overrides_format_attributes): New.
7773         * c-format.h: Add structure target_ovr_attr to hold
7774         system specific formatter names.
7775         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
7776         msformat-c.o file to c_target_objs and cxx_target_objs.
7777         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
7778         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
7779         (TARGET_N_FORMAT_TYPES): New.
7780         * config/i386/msformat-c.c: New.
7781         * config/i386/t-cygming: Add build rule for msformat-c.o.
7782         * doc/extend.texi: Add new format names gnu_* and ms_* and
7783         further details.
7784         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
7785
7786 2008-03-20  Ira Rosen  <irar@il.ibm.com>
7787
7788         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
7789         optimizations turned on under -O3.
7790         (ftree-vectorize): Add that the flag is turned on with -O3.
7791
7792 2008-03-20  Ben Elliston  <bje@au.ibm.com>
7793
7794         * regmove.c (try_auto_increment): Fix spelling error in comment.
7795         * final.c (final_scan_insn): Likewise.
7796
7797 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
7798
7799         PR target/14552
7800         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
7801         allocator preferences for "y" and "r" class registers.
7802         ("*mov<mode>_internal"): Ditto.
7803         ("*movv2sf_internal_rex64"): Ditto.
7804         ("*movv2sf_internal"): Ditto.
7805
7806 2008-03-19  Michael Matz  <matz@suse.de>
7807
7808         PR middle-end/35616
7809         * calls.c (expand_call): Check overlap of arguments with call
7810         address for sibcalls.
7811
7812 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
7813
7814         PR target/35496
7815         * stor-layout.c (update_alignment_for_field): Set minimum alignment
7816         of the underlying type of a MS bitfield layout to the natural
7817         alignment of the type.
7818
7819 2008-03-19  Jan Hubicka  <jh@suse.cz>
7820
7821         PR other/35094
7822         * toplev.c (decode_d_option): Handle all CPP flags.
7823         * tree-vrp.c: Update tree_pass descriptors.
7824         * regrename.c: Update tree_pass descriptors.
7825         * fwprop.c: Update tree_pass descriptors.
7826         * doc/invoke.texi: Remove documentation of dropped -d? flags.
7827         * tree-into-ssa.c: Update tree_pass descriptors.
7828         * tree-dump.c: Update tree_pass descriptors.
7829         * tree-complex.c: Update tree_pass descriptors.
7830         * tree-dump.h: Update tree_pass descriptors.
7831         * see.c: Update tree_pass descriptors.
7832         * cgraphbuild.c: Update tree_pass descriptors.
7833         * tracer.c: Update tree_pass descriptors.
7834         * tree-loop-distribution.c: Update tree_pass descriptors.
7835         * cgraph.c: Update tree_pass descriptors.
7836         * postreload-gcse.c: Update tree_pass descriptors.
7837         * postreload.c: Update tree_pass descriptors.
7838         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
7839         * tree-tailcall.c: Update tree_pass descriptors.
7840         * tree-pass.h (tree_opt_pass): Rename to ...
7841         (opt_pass) ... this one; add "type" field and remove letter field.
7842         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
7843         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
7844         all_lowering_passes): Update declaration.
7845         * ipa-cp.c: Update tree_pass descriptors.
7846         * final.c: Update tree_pass descriptors.
7847         * omp-low.c: Update tree_pass descriptors.
7848         * tree-ssa-dse.c: Update tree_pass descriptors.
7849         * ipa-reference.c: Update tree_pass descriptors.
7850         * tree-ssa-uncprop.c: Update tree_pass descriptors.
7851         * auto-inc-dec.c: Update tree_pass descriptors.
7852         * reorg.c: Update tree_pass descriptors.
7853         * cgraphunit.c: Update tree_pass descriptors.
7854         * tree-ssa-copyrename.c: Update tree_pass descriptors.
7855         * tree-ssa-ccp.c: Update tree_pass descriptors.
7856         * df-core.c: Update tree_pass descriptors.
7857         * mode-switching.c: Update tree_pass descriptors.
7858         * tree-nomudflap.c: Update tree_pass descriptors.
7859         * modulo-sched.c: Update tree_pass descriptors.
7860         * ipa-pure-const.c: Update tree_pass descriptors.
7861         * cse.c: Update tree_pass descriptors.
7862         * web.c: Update tree_pass descriptors.
7863         * tree-stdarg.c: Update tree_pass descriptors.
7864         * tree-ssa-math-opts.c: Update tree_pass descriptors.
7865         * tree-ssa-dom.c: Update tree_pass descriptors.
7866         * tree-nrv.c: Update tree_pass descriptors.
7867         * tree-ssa-alias.c: Update tree_pass descriptors.
7868         * loop-init.c: Update tree_pass descriptors.
7869         * gimple-low.c: Update tree_pass descriptors.
7870         * ipa-inline.c: Update tree_pass descriptors.
7871         * tree-ssa-sink.c: Update tree_pass descriptors.
7872         * global.c: Update tree_pass descriptors.
7873         * ifcvt.c: Update tree_pass descriptors.
7874         * jump.c: Update tree_pass descriptors.
7875         * predict.c: Update tree_pass descriptors.
7876         * tree-ssa-loop.c: Update tree_pass descriptors.
7877         * recog.c: Update tree_pass descriptors.
7878         * dse.c: Update tree_pass descriptors.
7879         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
7880         * tree-eh.c: Update tree_pass descriptors.
7881         * regmove.c: Update tree_pass descriptors.
7882         * local-alloc.c
7883         * function.c: Update tree_pass descriptors.
7884         * tree-vectorizer.c: Update tree_pass descriptors.
7885         * gcse.c: Update tree_pass descriptors.
7886         * ipa-type-escape.c: Update tree_pass descriptors.
7887         * tree-if-conv.c: Update tree_pass descriptors.
7888         * init-regs.c: Update tree_pass descriptors.
7889         * ipa.c: Update tree_pass descriptors.
7890         * tree-ssa-phiopt.c: Update tree_pass descriptors.
7891         * rtl-factoring.c: Update tree_pass descriptors.
7892         * lower-subreg.c: Update tree_pass descriptors.
7893         * bt-load.c: Update tree_pass descriptors.
7894         * tree-dfa.c: Update tree_pass descriptors.
7895         * except.c: Update tree_pass descriptors.
7896         * emit-rtl.c: Update tree_pass descriptors.
7897         * cfgexpand.c: Update tree_pass descriptors.
7898         * tree-cfgcleanup.c: Update tree_pass descriptors.
7899         * cfgcleanup.c: Update tree_pass descriptors.
7900         * tree-ssa-pre.c: Update tree_pass descriptors.
7901         * tree-sra.c: Update tree_pass descriptors.
7902         * tree-mudflap.c: Update tree_pass descriptors.
7903         * tree-ssa-copy.c: Update tree_pass descriptors.
7904         * cfglayout.c: Update tree_pass descriptors.
7905         * tree-ssa-forwprop.c: Update tree_pass descriptors.
7906         * tree-ssa-dce.c: Update tree_pass descriptors.
7907         * tree-ssa.c: Update tree_pass descriptors.
7908         * regclass.c: Update tree_pass descriptors.
7909         * integrate.c: Update tree_pass descriptors.
7910         * tree-optimize.c: Update tree_pass descriptors.
7911         * tree-ssa-phiprop.c: Update tree_pass descriptors.
7912         * tree-object-size.c: Update tree_pass descriptors.
7913         * combine.c: Update tree_pass descriptors.
7914         * tree-outof-ssa.c: Update tree_pass descriptors.
7915         * bb-reorder.c: Update tree_pass descriptors.
7916         * stack-ptr-mod.c: Update tree_pass descriptors.
7917         * var-tracking.c: Update tree_pass descriptors.
7918         * tree-profile.c: Update tree_pass descriptors.
7919         * tree-vect-generic.c: Update tree_pass descriptors.
7920         * reg-stack.c: Update tree_pass descriptors.
7921         * sched-rgn.c: Update tree_pass descriptors.
7922         * tree-ssa-structalias.c: Update tree_pass descriptors.
7923         * tree-cfg.c: Update tree_pass descriptors.
7924         * passes.c (current_pass): Update declaration.
7925         (finish_optimization_passes): Update.
7926         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
7927         (register_one_dump_file, register_dump_files_1, next_pass_1):
7928         Update arguments.
7929         (init_optimization_passes): Update handling of new types.
7930         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
7931         * ipa-struct-reorg.c: Update tree_pass descriptors.
7932         * tree-ssa-reassoc.c: Update tree_pass descriptors.
7933         * combine-stack-adj.c: Update tree_pass descriptors.
7934         * cfgrtl.c: Update tree_pass descriptors.
7935         * dce.c: Update tree_pass descriptors.
7936         * tree-ssanames.c: Update tree_pass descriptors.
7937
7938 2008-03-19  Richard Guenther  <rguenther@suse.de>
7939
7940         PR middle-end/35609
7941         * tree-ssa.c (walk_data): New structure.
7942         (warn_uninitialized_var): If not always_executed warn with "maybe"
7943         instead of "is".
7944         (execute_early_warn_uninitialized): Compute post-dominators.
7945         Initialize always_executed before processing each basic block.
7946
7947 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
7948
7949         PR target/35504
7950         * config/i386/i386.c (x86_this_parameter): Calculate correct location
7951         of "this" pointer when "regparm = N" or "fastcall" is in effect.
7952
7953 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7954
7955         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
7956
7957 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
7958
7959         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
7960         is true.
7961         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
7962         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
7963         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
7964         target after ignore has been set, and move there also the commputation
7965         of subtarget and original_target.
7966         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
7967         (LANG_HOOKS_INITIALIZER): Remove it.
7968         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
7969
7970 2008-03-18  Richard Guenther  <rguenther@suse.de>
7971
7972         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
7973         found an expression with constants, note that in the VN for the lhs.
7974         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
7975         fold them to constants if possible.  Run cleanup_cfg if done so.
7976         (execute_pre): Return todo.
7977         (do_pre): Likewise.
7978         (execute_fre): Likewise.
7979         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
7980         of constants.
7981         (get_prop_source_stmt): Look through pointer conversions.
7982
7983 2008-03-18  Jan Hubicka  <jh@suse.cz>
7984
7985         * tree-pretty-print.c: Include predict.h.
7986         (dump_generic_node): Dump predictor.
7987         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
7988         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
7989         * gimple-low.c (lower_stmt): Likewise.
7990         * expr.c (expand_expr_real): Likewise.
7991         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
7992         them.
7993         (build_predict_expr, build_predict_expr): New.
7994         * predict.h (predictor_name, build_predict_expr): Update.
7995         * c-typeck.c (c_finish_bc_stmt): Add prediction.
7996         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
7997         * predict.def (PRED_CONTINUE): Update hitrate.
7998         * tree.def (PREDICT_EXPR): Define.
7999         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
8000         do not handle BIND_EXPR.
8001         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
8002         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
8003         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
8004         operands.
8005
8006 2008-03-18  Michael Matz  <matz@suse.de>
8007
8008         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
8009
8010 2008-03-18  Richard Guenther  <rguenther@suse.de>
8011
8012         * tree-gimple.h (is_gimple_invariant_address): Declare.
8013         (is_gimple_constant): Likewise.
8014         * tree-gimple.c (is_gimple_constant): New function.
8015         (is_gimple_invariant_address): Likewise.
8016         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
8017         and is_gimple_invariant_address.
8018         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
8019         previous change.
8020         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
8021         an addressable base.
8022
8023 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
8024
8025         PR middle-end/35611
8026         * gimplify.c (gimplify_expr): Gimplify second operand of
8027         OMP_ATOMIC_LOAD.
8028
8029 2008-03-17  Richard Guenther  <rguenther@suse.de>
8030
8031         PR tree-optimization/19637
8032         * fold-const.c (fold_unary): Remove restrictions of removing
8033         intermediate pointer-conversions (P2)(P1)P0.
8034         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
8035         conversion to void pointer.
8036         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
8037
8038 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
8039
8040         PR debug/31510
8041         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
8042         emulated thread local variables.
8043
8044 2008-03-16  Richard Guenther  <rguenther@suse.de>
8045
8046         PR middle-end/35607
8047         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
8048         expand TREE_INVARIANT operations that are not gimple invariant.
8049
8050 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
8051
8052         * doc/extend.texi (Alignment): Say that the ABI controls
8053         the __alignof__ for non-strict-alignment targets rather
8054         than being a recommendation.
8055
8056 2008-03-15  Paul Brook  <paul@codesourcery.com>
8057
8058         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
8059         annotations.
8060         (arm_output_fn_unwind): Mark functions that can not be unwound.
8061
8062 2008-03-15  Paul Brook  <paul@codesourcery.com>
8063
8064         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
8065         extension instructions.
8066
8067 2008-03-15  Richard Guenther  <rguenther@suse.de>
8068
8069         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
8070         and fold constant aggregate refs.
8071         (fold_const_aggregate_ref): Handle string constants
8072         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
8073         (evaluate_stmt): Simplify now that ccp_fold folds constant
8074         aggregate refs.
8075
8076 2008-03-15  Paul Brook  <paul@codesourcery.com>
8077
8078         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
8079         (extzv): Use gen_extzv_t2.
8080         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
8081
8082 2008-03-15  Richard Guenther  <rguenther@suse.de>
8083
8084         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
8085         (fold_const_aggregate_ref): Likewise.
8086         (get_value): Return NULL if we don't have any values.
8087         (ccp_finalize): Set const_val to NULL after freeing it.
8088         * tree-flow.h (get_symbol_constant_value): Declare.
8089         (fold_const_aggregate_ref): Likewise.
8090         * tree-ssa-sccvn.c (try_to_simplify): Use them.
8091
8092 2008-03-15  Richard Guenther  <rguenther@suse.de>
8093
8094         PR middle-end/35593
8095         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
8096         to not produce negative array indices if not allowed.  Add
8097         parameter to indicate that.
8098         (maybe_fold_offset_to_component_ref): Allow negative array
8099         indices only for the first member of a structure.
8100         (maybe_fold_offset_to_reference): Allow negative array indices.
8101         (maybe_fold_stmt_addition): Likewise.
8102
8103 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
8104             Anatoly Sokolov <aesok@post.ru>
8105
8106         * config/avr/avr.c (avr_arch_types): Add avr6 entry.
8107         (avr_arch): Add ARCH_AVR6.
8108         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
8109         (initial_elimination_offset): Initialize and use 'avr_pc_size' 
8110         instead of fixed value 2.
8111         (print_operand_address): Use gs() asm specifier instead of pm().
8112         (avr_assemble_integer): (Ditto.).
8113         (avr_output_addr_vec_elt): (Ditto.).
8114         (print_operand): Handle "!" code.
8115         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add 
8116         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
8117         (AVR_HAVE_EIJMP_EICALL): Define.
8118         (AVR_3_BYTE_PC): Redefine.
8119         (AVR_2_BYTE_PC): (Ditto.).
8120         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
8121         (LINK_SPEC): Add atmega2560 and atmega2561.
8122         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561 
8123         (crtm2561.o).
8124         * config/avr/avr.md (call_insn): Use eicall instead of icall 
8125         for 3 byte PC devices.
8126         (call_value_insn): (Ditto.).
8127         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
8128         (indirect_jump): Use only for for 2 byte PC devices.
8129         (*tablejump): (Ditto.).
8130         (*indirect_jump_avr6): Add insn.
8131         (*tablejump_rjmp): Don't use for 3 byte PC devices.
8132         * config/avr/libgcc.S (__prologue_saves__): Use eijmp 
8133         instead of ijmp for 3 byte PC devices.
8134         (__tablejump2__): (Ditto.).
8135         * config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
8136         (MULITLIB_DIRNAMES): (Ditto.). 
8137         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
8138
8139 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
8140
8141         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
8142         "sse2_umulsidi3".  Use V1DI mode for operand 0.
8143         ("mmx_psadbw"): Use V1DI mode for operand 0.
8144         * config/i386/i386-modes.def (V1SI): New vector mode.
8145         * config/i386/i386.c (struct builtin_description)
8146         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
8147         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
8148         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
8149         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
8150         v1di_ftype_v8qi_v8qi type.
8151         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
8152
8153         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
8154         __builtin_ia32_pmuludq]: Fix the mode of return value.
8155
8156 2008-03-15  Richard Guenther  <rguenther@suse.de>
8157
8158         PR middle-end/35595
8159         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
8160         being a PHI_NODE.
8161
8162 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
8163         
8164         * doc/invoke.texi (Option Summary, Xtensa Options): Document
8165         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
8166         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
8167         unless TARGET_SERIALIZE_VOLATILE is enabled.
8168         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
8169         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
8170         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
8171
8172 2008-03-14  Richard Guenther  <rguenther@suse.de>
8173
8174         PR tree-optimization/34172
8175         * tree-flow.h (refs_may_alias_p): Declare.
8176         (get_single_def_stmt): Likewise.
8177         (get_single_def_stmt_from_phi): Likewise.
8178         (get_single_def_stmt_with_phi): Likewise.
8179         * tree-dfa.c (refs_may_alias_p): New function.
8180         (get_single_def_stmt): Likewise.
8181         (get_single_def_stmt_from_phi): Likewise.
8182         (get_single_def_stmt_with_phi): Likewise.
8183         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
8184         (vn_reference_lookup_1): New helper function.
8185         (vn_reference_lookup): Walk the virtual use-def chain to
8186         continue searching for a match if the def does not alias the
8187         reference we are looking for.
8188
8189 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
8190
8191         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
8192         archive and Perzl.  Update The Written Word listing.
8193
8194 2008-03-14  Richard Guenther  <rguenther@suse.de>
8195
8196         PR tree-optimization/34043
8197         PR tree-optimization/33989
8198         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
8199         when doing FRE.
8200         (bitmap_find_leader): Use extra argument to verify dominance
8201         relationship inside a basic-block.
8202         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
8203         (find_leader_in_sets): Adjust.
8204         (create_component_ref_by_pieces): Take extra argument for
8205         dominance check, handle lookup failures.
8206         (find_or_generate_expression): Likewise.
8207         (create_expression_by_pieces): Likewise.
8208         (insert_into_preds_of_block): Adjust.
8209         (create_value_expr_from): If asked for, verify all operands
8210         are in the blocks AVAIL_OUT set.
8211         (make_values_for_stmt): Check for SSA_NAMEs that are life
8212         over an abnormal edge.
8213         (compute_avail): Remove such check.
8214         (do_SCCVN_insertion): New function.
8215         (eliminate): If we do not find a leader suitable for replacement
8216         insert a replacement expression from SCCVN if available.
8217         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
8218         (struct vn_ssa_aux): Add needs_insertion flag.
8219         * tree-ssa-sccvn.c (may_insert): New global flag.
8220         (copy_reference_ops_from_ref): Value-number union member access
8221         based on its size, not type and member if insertion is allowed.
8222         (visit_reference_op_load): For a weak match from union type
8223         punning lookup a view-converted value and insert a SSA_NAME
8224         for that value if that is not found.
8225         (visit_use): Make dumps shorter.  Do not disallow value numbering
8226         SSA_NAMEs that are life over an abnormal edge to constants.
8227         (free_scc_vn): Release inserted SSA_NAMEs.
8228         (run_scc_vn): New flag to specify whether insertion is allowed.
8229         Process SSA_NAMEs in forward order.
8230         * tree-ssa-loop-im.c (for_each_index): Handle invariant
8231         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
8232         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
8233         pointer type to/from integral types that do not change the
8234         precision to regular conversions.
8235
8236 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
8237
8238         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
8239         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
8240         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
8241         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
8242         input arguments and the mode of return value.  Built-in functions
8243         that operate on whole 64-bit MMX register now use V1DI mode.
8244
8245 2008-03-13  Alon Dayan  <alond@il.ibm.com>
8246             Olga Golovanevsky  <olga@il.ibm.com>
8247
8248         PR tree-optimization/35041
8249         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
8250         to locate the right position in a statement.
8251
8252 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
8253
8254         PR target/34000
8255         PR target/35553
8256         * config/i386/xmmintrin.h:  Change all static inline functions to
8257         extern inline and add __gnu_inline__ attribute.
8258         * config/i386/bmintrin.h: Ditto.
8259         * config/i386/smmintrin.h: Ditto.
8260         * config/i386/tmmintrin.h: Ditto.
8261         * config/i386/mmintrin-common.h: Ditto.
8262         * config/i386/ammintrin.h: Ditto.
8263         * config/i386/emmintrin.h: Ditto.
8264         * config/i386/pmmintrin.h: Ditto.
8265         * config/i386/mmintrin.h: Ditto.
8266         * config/i386/mm3dnow.h: Ditto.
8267
8268 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
8269
8270         PR middle-end/35185
8271         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
8272         (lower_omp_2): New function.
8273         (lower_omp_1, lower_omp): Rewritten.
8274
8275 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
8276
8277         PR 35054
8278         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
8279         with the phrase "Microsoft Windows compilers".
8280         (Push/Pop Macro Pragmas): New subsection. Document
8281         #pragma push_macro and pragma pop_macro.
8282
8283 2008-03-12  Paul Brook  <paul@codesourcery.com>
8284
8285         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
8286
8287 2008-03-12  Paul Brook  <paul@codesourcery.com>
8288
8289         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
8290         (thumb2_alusi3_short): Exclude PLUS and MINUS.
8291         (thumb2_addsi_shortim): Rename ...
8292         (thumb2_addsi_short): ... to this.  Allow register operands.
8293         (thumb2_subsi_short): New pattern.
8294         (thumb2_one_cmplsi2_short,
8295         thumb2_negsi2_short): New patterns and peepholes.
8296
8297 2008-03-12  Paul Brook  <paul@codesourcery.com>
8298
8299         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
8300
8301 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
8302
8303         * config/i386/i386.md (int_cond): New code iterator.
8304         (fp_cond): Ditto.
8305         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
8306         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
8307         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
8308         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
8309         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
8310         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
8311         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
8312         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
8313
8314 2008-03-12  Paul Brook  <paul@codesourcery.com>
8315
8316         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
8317         instead of {arm,thumb}_compute_save_reg_mask.
8318         (output_return_instruction): Ditto.
8319         (thumb_unexpanded_epilogue): Ditto.
8320         (thumb1_expand_prologue): Ditto.
8321         (thumb1_output_function_prologue): Ditto.
8322         (arm_set_return_address): Ditto.
8323         (thumb_set_return_address): Ditto.
8324         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
8325         regs to achieve stack alignment.
8326         (thumb1_compute_save_reg_mask): Fix compiler warning.
8327         (arm_output_epilogue): Use offsets->saved_regs_mask.
8328         Adjust stack pointer by poping call clobered registers.
8329         (arm_expand_prologue): Use offsets->saved_regs_mask.
8330         Adjust stack pointer by pushing extra registers.
8331         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
8332
8333 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
8334
8335         PR tree-opt/35422
8336         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
8337         conversion to the operands of a multiplication.
8338
8339 2008-03-12  Richard Guenther  <rguenther@suse.de>
8340
8341         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
8342         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
8343         * timevar.def (TV_TREE_PHIPROP): Add.
8344         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
8345         pass description.  Use TV_TREE_PHIPROP.
8346         * tree-ssa-forwprop.c: Remove phiprop code.
8347
8348 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
8349
8350         PR middle-end/35549
8351         * omp-low.c (maybe_lookup_decl): Constify first argument.
8352         (use_pointer_for_field): Change last argument from bool to
8353         omp_context *.  Disallow shared copy-in/out in nested
8354         parallel if decl is shared in outer parallel too.
8355         (build_outer_var_ref, scan_sharing_clauses,
8356         lower_rec_input_clauses, lower_copyprivate_clauses,
8357         lower_send_clauses, lower_send_shared_vars): Adjust callers.
8358
8359 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
8360             Ira Rosen  <irar@il.ibm.com>
8361
8362         * tree-vectorizer.c (free_stmt_vec_info): New function.
8363         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
8364         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
8365         * tree-vectorizer.h (free_stmt_vec_info): Declare.
8366         * tree-vect-transform.c (vectorizable_conversion): Free
8367         vec_oprnds0 if it was allocated.
8368         (vect_permute_store_chain): Remove unused VECs.
8369         (vectorizable_store): Free VECs that are allocated in the..
8370         function.
8371         (vect_transform_strided_load, vectorizable_load): Likewise.
8372         (vect_remove_stores): Simplify the code.
8373         (vect_transform_loop): Move code to vect_remove_stores().
8374         Call vect_remove_stores() and free_stmt_vec_info().
8375
8376 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8377
8378         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
8379         TARGET_HPUX.  Revise comment.
8380         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
8381         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
8382         Use sr4 variant of `be' instruction when not generating PIC code.
8383         (attr_length_call): Adjust for above change.
8384
8385 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8386
8387         * ipa-reference.c (static_execute): Remove module_statics_const and
8388         associated setting code.
8389
8390 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
8391
8392         PR target/35540
8393         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
8394         predicate for operand 1.
8395         (paritysi2_cmp): Use register_operand predicate for operand 2.
8396         Use earlyclobber modifier for operand 1.  Remove support for
8397         memory operands.
8398         (paritydi2_cmp): Use register_operand predicate for operand 3.
8399         Use earlyclobber modifier for operand 1.  Remove support for
8400         memory operands.
8401
8402 2008-03-11  Paul Brook  <paul@codesourcery.com>
8403             Vladimir Prus  <vladimir@codesourcery.com>
8404
8405         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
8406         (arm_compute_save_reg0_reg12_mask): Always
8407         check if register 11 must be saved.  Always safe hard frame pointer
8408         when frame_pointer_needeed.
8409         (arm_compute_save_reg_mask): Save IP and PC
8410         only with apcs frames.
8411         (arm_output_epilogue): Adjust Thumb2 codepath to
8412         be also invoked and work for ARM non-apcs frames.
8413         (arm_expand_prologue): Don't bother saving IP
8414         for non-apcs frame, since it's not clobbered by
8415         prologue code.  Implement non-apcs frame
8416         layout.
8417
8418 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
8419
8420         PR rtl-optimization/35281
8421         * expr.c (convert_move): Use a new pseudo for the intermediate
8422         from_mode->word_mode result.
8423
8424 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
8425
8426         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
8427         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
8428         * toplev.c (compile_file): Don't call it.
8429
8430 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
8431
8432         PR middle-end/35526
8433         * expr.c (store_expr): Call emit_block_move if the mode
8434         of "temp" RTX is BLKmode.
8435
8436 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8437             Richard Guenther  <rguenther@suse.de>
8438
8439         PR tree-optimization/31358
8440         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
8441         the step with a NULL_TREE.
8442         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
8443         to sizetype if type is a pointer type.
8444         (add_candidate_1): Don't convert the base and step to
8445         the generic type if the orginal type is a pointer type.
8446         (add_iv_value_candidates): Use sizetype for the step
8447         if type is a pointer type.
8448         (cand_value_at): Likewise.
8449         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
8450         for pointer types.
8451         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
8452         Don't convert the tem affine to the type.
8453         (add_elt_to_tree): Use sizetype for the step if a pointer.
8454         Use POINTER_PLUS_EXPR for pointers.
8455         (aff_combination_to_tree): Use sizetype for the step if a
8456         pointer.
8457
8458 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
8459
8460         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
8461         Remove commutativity hint.
8462
8463 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
8464
8465         PR c/35438
8466         PR c/35439
8467         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
8468         errorneous type.  Check that v is a VAR_DECL.
8469
8470         PR middle-end/35099
8471         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
8472
8473 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
8474
8475         PR tree-optimization/35494
8476         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
8477         may be overriden at link and run time.
8478
8479 2008-03-10  Richard Guenther  <rguenther@suse.de>
8480
8481         PR tree-optimization/34677
8482         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
8483         (poolify_tree): Likewise.
8484         (modify_expr_template): Likewise.
8485         (poolify_modify_stmt): Likewise.
8486         (insert_fake_stores): Handle all component-ref style stores
8487         in addition to INDIRECT_REF.  Also handle complex types.
8488         Do not poolify the inserted load.
8489         (realify_fake_stores): Do not rebuild the tree but only
8490         make it a SSA_NAME copy.
8491         (init_pre): Remove initialzation of modify_expr_template.
8492         Do not allocate modify_expr_node_pool.
8493         (fini_pre): Do not free modify_expr_node_pool.
8494
8495 2008-03-10  Paul Brook  <paul@codesourcery.com>
8496
8497         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
8498         to avoid conflicts.
8499
8500 2008-03-10  Paul Brook  <paul@codesourcery.com>
8501             Mark Shinwell  <shinwell@codesourcery.com>
8502
8503         * config/arm/cortex-r4.md: New.
8504         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
8505         insn attributes.
8506         * config/arm/arm.md: Include cortex-r4.md.
8507         (insn): Add smmls, sdiv and udiv values.
8508         (generic_sched): Don't use generic scheduling for Cortex-R4.
8509         (arm_issue_rate): New function.
8510         (TARGET_SCHED_ISSUE_RATE): Define.
8511
8512 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
8513
8514         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
8515
8516 2008-03-10  Richard Guenther  <rguenther@suse.de>
8517
8518         * tree-ssa-pre.c (get_sccvn_value): Simplify.
8519         (compute_avail): Do not add stmt uses to AVAIL_OUT.
8520
8521 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
8522
8523         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
8524         Set default to true.
8525
8526 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8527
8528         * c.opt (Wsynth): Deprecate.
8529         * doc/invoke.texi (Option Summary, Warning Options): Document
8530         -Wno-format-contains-nul.
8531
8532 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
8533
8534         PR target/35496
8535         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
8536         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
8537
8538 2008-03-09  Ira Rosen  <irar@il.ibm.com>
8539
8540         * config/rs6000/rs6000.c (builtin_description): Rename vector
8541         left shift operations.
8542         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
8543         (altivec_vsl<VI_char>): Rename to ...
8544         (ashl<mode>3): ... new name.
8545         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
8546         gen_ashlv4si3.
8547         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
8548
8549 2008-03-08  Richard Guenther  <rguenther@suse.de>
8550
8551         * coverage.h (tree_coverage_counter_addr): Declare.
8552         * coverage.c (tree_coverage_counter_addr): New function.
8553         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
8554         before using again.
8555         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
8556         (tree_gen_one_value_profiler): Likewise.
8557         (tree_gen_ic_profiler): Likewise.
8558         (tree_gen_average_profiler): Likewise.
8559         (tree_gen_ior_profiler): Likewise.
8560
8561 2008-03-08  Richard Guenther  <rguenther@suse.de>
8562
8563         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
8564         (vn_binary_op_insert): Likewise.
8565         (vn_unary_op_lookup): Likewise.
8566         (vn_unary_op_insert): Likewise.
8567         (vn_nary_op_lookup): Declare.
8568         (vn_nary_op_insert): Likewise.
8569         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
8570         and binary hashes, use a single obstack for unary_op_pool
8571         and binary_op_pool.
8572         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
8573         a single struct vn_nary_op_s.  Store tree code length and
8574         a variable number of operands.
8575         (struct vn_reference_op_struct): Remove unused op2.
8576         (vn_reference_op_eq): Do not compare op2.
8577         (vn_reference_op_compute_hash): Do not compute hash of op2.
8578         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
8579         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
8580         with vn_nary_op_compute_hash.
8581         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
8582         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
8583         vn_nary_op_lookup.
8584         (vn_unary_op_insert, vn_binary_op_insert): Replace with
8585         vn_nary_op_insert.
8586         (visit_unary_op): Call nary functions.
8587         (visit_binary_op): Likewise.
8588         (process_scc): Adjust for struct vn_tables_s changes.
8589         (allocate_vn_table): Likewise.
8590         (free_vn_table): Likewise.
8591         * tree-vn.c (vn_add): Call nary functions.
8592         (vn_lookup): Likewise.
8593
8594 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
8595
8596         PR target/35498
8597         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
8598         wdst back after sync_compare_and_swapqhi_internal.
8599
8600 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
8601
8602         PR target/22152
8603         * config/i386/i386-modes.def (V1DI): New vector mode.
8604         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
8605         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
8606         (MMXMODE248): Ditto.
8607         (MMXMODE): Add V1DI mode.
8608         (mmxvecsize): Change DI mode to V1DI mode.
8609         ("mov<mode>): Use MMXMODEI8 mode iterator.
8610         ("*mov<mode>_internal_rex64"): Ditto.
8611         ("*mov<mode>_internal"): Ditto.
8612         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
8613         ("mmx_sub<mode>3"): Ditto.
8614         ("mmx_adddi3"): Remove insn pattern.
8615         ("mmx_subdi3"): Ditto.
8616         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
8617         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
8618         ("mmx_ashl<mode>3"): Ditto.
8619         ("mmx_lshrdi3"): Remove insn pattern.
8620         ("mmx_ashldi3"): Ditto.
8621         * config/i386/i386.c (classify_argument): Handle V1DImode.
8622         (function_arg_advance_32): Ditto.
8623         (function_arg_32): Ditto.
8624         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
8625         mmx_addv1di3 insn pattern.
8626         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
8627         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
8628         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
8629         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
8630         Remove definitions of built-in functions.
8631         (V1DI_type_node): New node.
8632         (v1di_ftype_v1di_int): Ditto.
8633         (v1di_ftype_v1di_v1di): Ditto.
8634         (v2si_ftype_v2si_si): Ditto.
8635         (v4hi_ftype_v4hi_di): Remove node.
8636         (v2si_ftype_v2si_di): Ditto.
8637         (ix86_init_mmx_sse_builtins): Handle V1DImode.
8638         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
8639         Redefine builtins using def_builtin_const with *_ftype_*_int node.
8640         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
8641         Add new builtins using def_builtin_const.
8642         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
8643         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
8644         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
8645         * config/i386/mmintrin.h (__v1di): New typedef.
8646         (_mm_add_si64): Cast arguments to __v1di type.
8647         (_mm_sub_si64): Ditto.
8648         (_mm_sll_pi16): Cast __count to __v4hi type.
8649         (_mm_sll_pi32): Cast __count to __v2si type.
8650         (_mm_sll_si64): Cast arguments to __v1di type.
8651         (_mm_srl_pi16): Cast __count to __v4hi type.
8652         (_mm_srl_pi32): Cast __count to __v2si type.
8653         (_mm_srl_si64): Cast arguments to __v1di type.
8654         (_mm_sra_pi16): Cast __count to __v4hi type.
8655         (_mm_sra_pi32): Cast __count to __v2si type.
8656         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
8657         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
8658         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
8659         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
8660         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
8661         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
8662         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
8663         (_mm_srai_pi32): Use __builtin_ia32_psradi.
8664         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
8665         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
8666         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
8667         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
8668
8669 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
8670
8671         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
8672
8673 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
8674
8675         PR target/35373
8676         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
8677         reg+const addressing for Altivec modes.  Don't generate reg+reg
8678         addressing for TFmode or TDmode quantities.
8679
8680 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
8681
8682         * c-common.c (vector_types_convertible_p): Call langhook
8683         instead of comptypes.
8684
8685 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8686
8687         PR tree-opt/35402
8688         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
8689         integral and scalar float variables which have a
8690         NULL DECL_INITIAL.
8691
8692 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
8693
8694         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
8695         dwarf_register_span hook when emitting unwind information for
8696         register-to-memory saves.
8697         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
8698         (rs6000_frame_related): Remove call to spe_synthesize_frame.
8699
8700 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
8701
8702         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
8703         for the same VAR_DECL.
8704
8705 2008-03-06  Tom Tromey  <tromey@redhat.com>
8706
8707         * treelang: Delete.
8708         * doc/standards.texi (Standards): Don't mention treelang.
8709         * doc/invoke.texi (Overall Options): Don't mention treelang.
8710         * doc/install.texi (Prerequisites): Don't mention bison or
8711         treelang.
8712         (Configuration): Don't mention treelang.
8713         (Building): Likewise.
8714         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
8715
8716 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
8717
8718         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
8719         word-extractions out of a multi-word object.
8720
8721 2008-03-06  Richard Guenther  <rguenther@suse.de>
8722
8723         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
8724         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
8725         result type and precision.
8726         * expr.c (get_inner_reference): Set unsignedp based on the result
8727         type of BIT_FIELD_REF.
8728         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
8729         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
8730         (try_instantiate_multiple_fields): Likewise.  Use the correct type
8731         for BIT_FIELD_REF.
8732         (sra_build_assignment): Likewise.
8733         (sra_build_elt_assignment): Likewise.
8734         (sra_explode_bitfield_assignment): Likewise.
8735         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
8736         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
8737         set BIT_FIELD_REF_UNSIGNED.
8738         (vectorizable_load): Likewise.
8739
8740 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
8741
8742         * cse.c (cse_extended_basic_block): Invalidate artificial defs
8743         at bb start.
8744
8745 2008-03-06  Richard Guenther  <rguenther@suse.de>
8746
8747         * alias.c (struct alias_set_entry): Move has_zero_child field
8748         to pack with alias_set.
8749
8750 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
8751
8752         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
8753         32bit host.
8754
8755 2008-03-05  Ian Lance Taylor  <iant@google.com>
8756
8757         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
8758
8759 2008-03-05  Kenneth Zadeck  <zadeck@naturalbridge.com>
8760
8761         * fwprop.c (update_df): Support width and offset parameters of
8762         df_ref_create.
8763         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
8764         global_conflicts): Change DF_REF_EXTRACT to either
8765         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
8766         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
8767         * df-scan.c (df_ref_record, df_defs_record,
8768         df_ref_create_structure, df_def_record_1, df_uses_record,
8769         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
8770         df_bb_refs_collect, df_entry_block_defs_collect,
8771         df_exit_block_uses_collect): Support new width and offset fields.
8772         (ref_extract_pool): New storage pool.
8773         (df_free_ref): New function.
8774         (df_reg_chain_unlink, df_free_collection_rec,
8775         df_sort_and_compress_refs): Call df_free_ref.
8776         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
8777         of df_ref_extract.
8778         (df_ref_create_structure): Allocate df_ref_extract if offset and
8779         width fields are used.
8780         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
8781         (df_uses_record): Get offset and width from ZERO_EXTRACT 
8782         and SIGN_EXTRACT.
8783         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
8784         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
8785         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
8786         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
8787         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
8788         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
8789         (df_ref_extract): New structure.
8790         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
8791         (df_ref_create): Add width and offset parameters.
8792         
8793 2008-03-05  Richard Guenther  <rguenther@suse.de>
8794
8795         * tree-ssa-structalias.c (get_constraint_for_component_ref):
8796         Use ranges_overlap_p.
8797         (offset_overlaps_with_access): Rename
8798         to ranges_overlap_p and move ...
8799         * tree-flow-inline.h (ranges_overlap_p): ... here.
8800
8801         * tree.h (get_inner_reference, handled_component_p): Update
8802         comments.
8803
8804         * tree.h (record_component_aliases, get_alias_set,
8805         alias_sets_conflict_p, alias_sets_must_conflict_p,
8806         objects_must_conflict_p): Move declarations ...
8807         * alias.h (record_component_aliases, get_alias_set,
8808         alias_sets_conflict_p, alias_sets_must_conflict_p,
8809         objects_must_conflict_p): ... here.
8810         Include coretypes.h.
8811         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
8812
8813 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
8814
8815         * cfg.c: Include tree-flow.h.
8816         (remove_edge_raw): Call redirect_edge_var_map_clear.
8817         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
8818         * tree-flow-inline.h (redirect_edge_var_map_def): New.
8819         (redirect_edge_var_map_result): New.
8820         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
8821         PENDING_STMT use with redirect_edge_var_map_*.
8822         * tree-ssa.c (edge_var_maps): New definition.
8823         (redirect_edge_var_map_add): New.
8824         (redirect_edge_var_map_clear): New.
8825         (redirect_edge_var_map_dup): New.
8826         (redirect_edge_var_map_vector): New.
8827         (redirect_edge_var_map_destroy): New.
8828         (ssa_redirect_edge): Replace PENDING_STMT use with
8829         redirect_edge_var_map_*.
8830         (flush_pending_stmts): Same.
8831         (delete_tree_ssa): Destroy edge var map.
8832         * tree-flow.h (struct _edge_var_map): New.
8833         Define edge_var_map vector type.
8834         Declare redirect_edge_var_map_* prototypes.
8835         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
8836         * tree-cfg.c (reinstall_phi_args): Replace
8837         PENDING_STMT use with redirect_edge_var_map_*.
8838
8839 2008-03-05  Richard Guenther  <rguenther@suse.de>
8840
8841         PR tree-optimization/35472
8842         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
8843         whose single use_stmt has a overlapping set of loaded and
8844         stored symbols as that use_stmt might be a noop assignment then.
8845
8846 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
8847
8848         * gthr-rtems.h: Implement __gthread_mutex_destroy.
8849
8850 2008-03-05  Richard Guenther  <rguenther@suse.de>
8851
8852         PR c++/35336
8853         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
8854         should be constants.
8855         * tree-cfg.c (verify_expr): Verify it.
8856         * fold-const.c (fold_truthop): Remove code generating
8857         BIT_FIELD_REFs of structure bases.
8858         (fold_binary): Likewise.
8859         (fold_ternary): Position and size of BIT_FIELD_REFs are
8860         always host integers.
8861         (make_bit_field_ref): Remove.
8862         (optimize_bit_field_compare): Remove.
8863         (all_ones_mask_p): Remove.
8864
8865 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
8866
8867         PR gcc/33009
8868         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
8869         (split_block_and_df_analyze): New. Split basic block and rebuild
8870         dataflow.
8871         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
8872         SPLIT_BLOCK.
8873         (split_pattern_seq): Likewise.
8874         (erase_matching_seqs): Likewise.
8875         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
8876
8877 2008-03-04  Geoff Keating  <geoffk@apple.com>
8878
8879         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
8880         declaration and code.
8881         (tree_invalid_nonnegative_warnv_p): Likewise.
8882
8883 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
8884
8885         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
8886         examples.  Truncate option-names then causing overfull hbox.
8887
8888 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8889
8890         PR target/35222
8891         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
8892         on hpux10.
8893         * configure: Rebuilt.
8894
8895 2008-03-04  Rafael Espindola  <espindola@google.com>
8896
8897         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
8898         (tree_unary_nonnegative_warnv_p): New.
8899         (tree_binary_nonnegative_warnv_p): New.
8900         (tree_single_nonnegative_warnv_p): New.
8901         (tree_invalid_nonnegative_warnv_p): New.
8902         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
8903
8904 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8905
8906         PR 28322
8907         * opts.c (handle_option): Postpone 'unknown option' errors only for
8908         warning options.
8909
8910 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
8911
8912         PR target/35453
8913         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
8914         (_SIDD_XXX): This.
8915
8916 2008-03-04  Rafael Espindola  <espindola@google.com>
8917
8918         * fold-const.c (tree_unary_nonzero_warnv_p): New.
8919         (tree_binary_nonzero_warnv_p): New.
8920         (tree_single_nonzero_warnv_p): New.
8921         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
8922
8923 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
8924
8925         PR middle-end/35456
8926         * fold-const.c (fold_cond_expr_with_comparison): Prevent
8927         transformations for modes that have signed zeros.
8928         * ifcvt.c (noce_try_abs): Ditto.
8929
8930 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
8931
8932         * config/i386/i386.c (override_options): Force
8933         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
8934
8935 2008-03-04  Jan Hubicka  <jh@suse.cz>
8936
8937         PR c++/35262
8938         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
8939         in last commit.
8940
8941 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
8942
8943         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
8944         label to probe the stack.
8945
8946 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
8947
8948         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
8949         (__gthr_win32_mutex_destroy): Declare.
8950         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
8951         __gthr_win32_mutex_destroy.
8952         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
8953
8954 2008-03-03  Jan Hubicka  <jh@suse.cz>
8955
8956         PR c++/35262
8957         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
8958         aggressive on inlining cold calls.
8959
8960 2008-03-03  Richard Guenther  <rguenther@suse.de>
8961
8962         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
8963         struct copies into the expression table.
8964         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
8965         (try_to_simplify): Likewise.
8966         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
8967         integral and pointer arguments which do not change the
8968         precision to NOP_EXPRs.
8969         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
8970         VIEW_CONVERT_EXPR case.
8971
8972 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
8973
8974         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
8975         defined in a loop at depth 0 is invariant.
8976         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
8977         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
8978         be called at loop depth 0.
8979
8980 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
8981
8982         PR driver/35420
8983         * gcc.c (process_command): Update copyright notice dates.
8984         * gcov.c (print_version): Likewise.
8985         * gcov-dump.c (print_version): Likewise.
8986         * mips-tfile.c (main): Likewise.
8987         * mips-tdump.c (main): Likewise.
8988
8989 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8990
8991         PR 24924
8992         * c-common.c (flag_permissive): Delete.
8993         (constant_expression_warnings): Check flags first.
8994         (constant_expression_error): New.
8995         * c-common.h (flag_permissive): Delete.
8996         (constant_expression_error): Declare.
8997         * flags.h (flag_permissive): Declare. Update description.
8998         * diagnostic.c (pedwarn): Update.
8999         (permerror): New.
9000         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
9001         (permissive_error_kind): New.
9002         * toplev.c (flag_permissive): Define. Update description.
9003         * toplev.h (permissive_error_kind): Declare.
9004         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
9005         (pedwarn_c90): Use pedantic_warning_kind.
9006         * c-opts.c (c_common_post_options): flag_permissive does not affect
9007         flag_pedantic_errors.
9008
9009 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
9010
9011         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
9012         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
9013         __absvsi2, __absvDI2): Use unsigned arithmetic.
9014
9015 2008-03-02  Andi Kleen  <ak@suse.de>
9016             Richard Guenther  <rguenther@suse.de>
9017
9018         * struct-equiv.c: Remove file.
9019         * cfg_cleanup.c (condjump_equiv_p): Remove.
9020         * Makefile.in (OBJS-common): Remove struct-equiv.o.
9021         (struct-equiv.o): Remove rule.
9022         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
9023         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
9024         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
9025
9026 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
9027
9028         * ifcvt.c (noce_process_if_block): Try to handle only the then
9029         block if the else block exists but isn't suitable.
9030
9031 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
9032
9033         PR gcc/35063
9034         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
9035         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
9036         regression from previous patch.
9037
9038 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
9039
9040         PR gcc/35063
9041         * gthr.h: Add __gthread_mutex_destroy as a function that must be
9042         implemented.
9043         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
9044         * gthr-single.h (__gthread_mutex_destroy): Likewise.
9045         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
9046         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
9047         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
9048         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
9049         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
9050         (__gthread_mutex_destroy_function): Rename to
9051         __gthread_mutex_destroy.
9052         * gthr-dce.h (__gthread_mutex_destroy): Call
9053         pthread_mutex_destroy.
9054         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
9055         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
9056         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
9057
9058 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
9059
9060         * df-scan.c (df_ref_chain_change_bb): Simplify.
9061         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
9062         set_block_for_insn if there's any change.
9063         * df.h ((df_insn_change_bb): Fix prototype.
9064         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
9065         df_insn_change_bb, don't call set_block_for_insn.
9066         * emit-rtl.c (reorder_insns): Likewise.
9067         * haifa-sched.c (move_insn): Likewise.
9068
9069 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
9070
9071         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
9072
9073 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
9074
9075         * tree-flow-inline.h (next_readonly_imm_use): Return
9076         NULL_USE_OPERAND_P after the end.
9077
9078 2008-03-01  Richard Guenther  <rguenther@suse.de>
9079
9080         PR tree-optimization/35411
9081         * tree-sra.c (sra_build_assignment): Split conversion to
9082         final type to a separate statement if we are not assigning
9083         to a register.
9084
9085 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
9086
9087         * fold-const.c (fold_convertible_p): Correct the logic to follow
9088         that in fold_convert().
9089
9090 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
9091
9092         PR c++/35315
9093         * tree-inline.c (build_duplicate_type): When we make a
9094         duplicate type, make it unique in the canonical types system.
9095
9096 2008-02-29  Tom Tromey  <tromey@redhat.com>
9097
9098         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
9099         input_file_stack_history, input_file_stack_restored): Remove.
9100         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
9101         * input.h (struct file_stack): Remove.
9102         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
9103         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
9104         Likewise.
9105         * diagnostic.h (struct diagnostic_context) <last_module>: Change
9106         type.
9107         (diagnostic_last_module_changed): Add 'map' argument.
9108         (diagnostic_set_last_function): Likewise.
9109         * diagnostic.c (undiagnostic_report_current_module): Iterate using
9110         line map, not input_file_stack.
9111         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
9112
9113 2008-02-29  Paul Brook  <paul@codesourcery.com>
9114
9115         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
9116
9117 2008-02-29  Paul Brook  <paul@codesourcery.com>
9118
9119         * config/arm/ieee754-df.S (muldf3): Use RET macros.
9120
9121 2008-02-29  Richard Guenther  <rguenther@suse.de>
9122
9123         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
9124         vn_lookup_or_add.
9125         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
9126         value for comparing for a store match.
9127         (simplify_unary_expression): Do nothing for SSA_NAMEs.
9128         (try_to_simplify): Do not do a full-blown reference lookup.
9129
9130 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
9131
9132         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
9133         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
9134
9135         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
9136
9137 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
9138
9139         * tree-loop-linear.c (try_interchange_loops): Compare memory access
9140         strides against cache sizes.
9141
9142 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
9143
9144         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
9145         constant to fpul.
9146
9147 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
9148
9149         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
9150         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
9151         is smaller than the original promoted value.
9152         (simplify_subreg): If OP is a SUBREG, try to preserve its
9153         SUBREG_PROMOTED_VAR_P information.
9154
9155 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
9156
9157         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
9158         (VN_INFO_GET): Allocate new objects on the obstack.
9159         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
9160         for rpo_numbers_temp, for consistency.
9161         (free_scc_vn): Free the obstack.
9162
9163 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
9164
9165         * doc/invoke.texi: Document -ftree-loop-distribution.
9166         * tree-loop-distribution.c: New.
9167         * tree-pass.h (pass_loop_distribution): New.
9168         * graphds.h (struct graph): Add htab_t indices.
9169         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
9170         * tree-vectorizer.c (rename_variables_in_loop): Extern.
9171         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
9172         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
9173         * tree-data-ref.c (debug_data_dependence_relations): New.
9174         (dump_data_dependence_relation): Also print data references.
9175         (free_data_ref): Extern.
9176         (same_access_functions): Moved...
9177         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
9178         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
9179         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
9180         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
9181         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
9182         (stmts_from_loop): Skip LABEL_EXPR.
9183         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
9184         New.
9185         (build_rdg): Initialize rdg->indices htab.
9186         (free_rdg, stores_from_loop, ref_base_address,
9187         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
9188         have_similar_memory_accesses_1, ref_base_address_1,
9189         remove_similar_memory_refs): New.
9190         * tree-data-ref.h: Depend on tree-chrec.h.
9191         (debug_data_dependence_relations, free_data_ref): Declared.
9192         (same_access_functions): ... here.
9193         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
9194         New.
9195         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
9196         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
9197         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
9198         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
9199         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
9200         rdg_vertex_for_stmt): Declared.
9201         (struct rdg_edge): Add level.
9202         (RDGE_LEVEL): New.
9203         (free_rdg, stores_from_loop, remove_similar_memory_refs,
9204         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
9205         Declared.
9206         (rdg_has_similar_memory_accesses): New.
9207         * tree-vect-analyze.c: Remove unused static decls.
9208         * lambda.h (dependence_level): New.
9209         * common.opt (ftree-loop-distribution): New.
9210         * tree-flow.h (mark_virtual_ops_in_bb, 
9211         slpeel_tree_duplicate_loop_to_edge_cfg,
9212         rename_variables_in_loop): Declared.
9213         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
9214         (OBJS-common): Add tree-loop-distribution.o.
9215         (tree-loop-distribution.o): New rule.
9216         * tree-cfg.c (mark_virtual_ops_in_bb): New.
9217         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
9218         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
9219
9220 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
9221
9222         PR target/33963
9223         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
9224         other than structures and unions.
9225
9226 2008-02-28  Richard Guenther  <rguenther@suse.de>
9227
9228         Revert:
9229         2008-02-26  Richard Guenther  <rguenther@suse.de>
9230
9231         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
9232         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
9233         (lookup_decl_from_uid): Declare.
9234         (remove_decl_from_map): Likewise.
9235         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
9236         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
9237         (decl_for_uid_map): New global hashtable mapping DECL_UID
9238         to the decl tree.
9239         (init_ttree): Allocate it.
9240         (insert_decl_to_uid_decl_map): New helper function.
9241         (make_node_stat): Insert new decls into the map.
9242         (copy_node_stat): Likewise.
9243         (lookup_decl_from_uid): New function.
9244         (remove_decl_from_map): Likewise.
9245         (print_decl_for_uid_map_statistics): New helper.
9246         (dump_tree_statistics): Call it.
9247
9248         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
9249         (referenced_var_iterator): Adjust.
9250         (FOR_EACH_REFERENCED_VAR): Adjust.
9251         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
9252         (num_referenced_vars): Adjust.
9253         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
9254         (first_referenced_var): Remove.
9255         (end_referenced_vars_p): Likewise.
9256         (next_referenced_var): Likewise.
9257         (referenced_var_iterator_set): New helper function.
9258         * tree-dfa.c (referenced_var_lookup): Adjust.
9259         (referenced_var_check_and_insert): Likewise.
9260         (remove_referenced_var): Likewise.
9261         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
9262         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
9263         (verify_call_clobbering): Likewise.
9264         (verify_memory_partitions): Likewise.
9265         (init_tree_ssa): Allocate bitmap instead of hashtable for
9266         referenced_vars.
9267         (delete_tree_ssa): Adjust.
9268         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
9269         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
9270         (compute_tag_properties): Likewise.
9271         (set_initial_properties): Likewise.
9272         (find_partition_for): Likewise.
9273         (update_reference_counts): Likewise.
9274         (dump_may_aliases_for): Likewise.
9275         * tree-ssa-operands.c (add_virtual_operand): Likewise.
9276         (add_call_clobber_ops): Likewise.
9277         (add_call_read_ops): Likewise.
9278         (get_asm_expr_operands): Likewise.
9279         * tree-into-ssa.c (dump_decl_set): Likewise.
9280         (update_ssa): Likewise.
9281         * tree-sra.c (scan_function): Likewise.
9282         (decide_instantiations): Likewise.
9283         (scalarize_parms): Likewise.
9284         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
9285         (dsa_named_for): Likewise.
9286         * tree-ssa-structalias.c (update_alias_info): Likewise.
9287         (merge_smts_into): Likewise.
9288
9289 2008-02-27  David Daney  <ddaney@avtrex.com>
9290
9291         PR target/34409
9292         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
9293         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
9294         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
9295         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
9296         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
9297
9298 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
9299
9300         PR target/25477
9301         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
9302         (BUILT_IN_NEXTTOWARD): Remove.
9303         (BUILT_IN_NEXTTOWARDF): Ditto.
9304         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
9305         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
9306
9307 2008-02-27  Tom Tromey  <tromey@redhat.com>
9308
9309         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
9310         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
9311
9312 2008-02-27  Jan Beulich  <jbeulich@novell.com>
9313
9314         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
9315         update the respective field on newdecl.
9316
9317 2008-02-27  Revital Eres  <eres@il.ibm.com>
9318
9319         PR rtl-optimization/34999
9320         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
9321         crossing edges that ends with a call insn.
9322         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
9323         call insn and clear the EDGE_CROSSING flag of the crossing edge
9324         when fixing fallthru edges.
9325
9326 2008-02-27  Richard Guenther  <rguenther@suse.de>
9327
9328         PR middle-end/35390
9329         * fold-const.c (fold_unary): Return the correct argument,
9330         converted to the result type.
9331
9332 2008-02-27  Richard Guenther  <rguenther@suse.de>
9333
9334         PR middle-end/34971
9335         * expr.c (expand_expr_real_1): Assert on rotates that operate
9336         on partial modes.
9337         * fold-const.c (fold_binary): Use the types precision, not the
9338         bitsize of the mode if folding rotate expressions.  Build rotates
9339         only for full modes.
9340
9341 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
9342
9343         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
9344         and CPP_PRAGMA_EOL.
9345         * c-pragma.c (pragma_ns_name): New typedef.
9346         (registered_pp_pragmas): New variable.
9347         (c_pp_lookup_pragma): New function.
9348         (c_register_pragma_1): If flag_preprocess_only, do nothing
9349         for non-expanded pragmas, for expanded ones push pragma's
9350         namespace and name into registered_pp_pragmas vector.
9351         (c_invoke_pragma_handler): Register OpenMP pragmas even when
9352         flag_preprocess_only, don't register GCC pch_preprocess
9353         pragma if flag_preprocess_only.
9354         * c-opts.c (c_common_init): Call init_pragma even if
9355         flag_preprocess_only.
9356         * c-pragma.c (c_pp_lookup_pragma): New prototype.
9357         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
9358         cpp_register_pragma if flag_preprocess_only.
9359
9360 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9361
9362         PR c/28800
9363         * c-parser.c (c_parser_translation_unit): Warn for empty
9364         translation unit, not empty source file.
9365
9366 2008-02-26  Paul Brook  <paul@codesourcery.com>
9367
9368         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
9369         operand for Thumb-2.
9370         * config/arm/arm.h (reg_class): Add CORE_REGS.
9371         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
9372         (BASE_REG_CLASS): Use CORE_REGS.
9373         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
9374         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
9375         (REGNO_OK_FOR_INDEX_P): Exclude SP.
9376         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
9377         ARM_REGNO_OK_FOR_INDEX_P.
9378         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
9379         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
9380         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
9381         (ldm/stm peepholes): Ditto.
9382         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
9383         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
9384         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
9385         * config/arm/constraints.md: Enable "k" constraint on ARM.
9386
9387 2008-02-27  Ben Elliston  <bje@au.ibm.com>
9388
9389         * config/rs6000/rs6000.c: Annotate cache line size field in all
9390         instances of struct processor_costs.
9391
9392 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
9393
9394         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
9395         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
9396         jump_bypass): New counters.
9397         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
9398         * dce.c (gate_ud_dce): Same.
9399         (gate_fast_dce): Same.
9400         * dse.c (gate_dse1): New function.
9401         (gate_dse2): New function.
9402         (gate_dse): Merge results of new gate functions.
9403         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
9404         (gate_handle_jump_bypass): Add dbg_cnt.
9405         (gate_handle_gcse): Add dbg_cnt.
9406         * ifcvt.c (gate_handle_if_conversion): Same.
9407         (gate_handle_if_after_combine): Same.
9408         (gate_handle_if_after_reload): Same.
9409         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
9410
9411 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
9412
9413         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
9414         line sizes.
9415         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
9416
9417 2008-02-26  Jason Merrill  <jason@redhat.com>
9418
9419         PR c++/35315
9420         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
9421         alone if it's the naming decl for the type's main variant.
9422
9423 2008-02-26  Tom Tromey  <tromey@redhat.com>
9424
9425         * system.h (USE_MAPPED_LOCATION): Poison.
9426         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
9427         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
9428         (make_goto_expr_edges): Likewise.
9429         (remove_bb): Likewise.
9430         (execute_warn_function_return): Likewise.
9431         * basic-block.h (struct edge_def) <goto_locus>: Change type to
9432         location_t.
9433         * c-common.c (fname_decl): Remove old location code.
9434         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
9435         location code.
9436         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
9437         variant.
9438         (ASM_INPUT_SOURCE_LOCATION): Likewise.
9439         (gen_rtx_ASM_INPUT): Likewise.
9440         (gen_rtx_ASM_INPUT_loc): Likewise.
9441         (get_rtx_asm_OPERANDS): Remove.
9442         * cfglayout.c (insn_locators_alloc): Remove old location code.
9443         (set_curr_insn_source_location): Likewise.
9444         (curr_insn_locator): Likewise.
9445         * print-tree.c (print_node): Remove old location code.
9446         * tree-mudflap.c (mf_varname_tree): Remove old location code.
9447         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
9448         * cfgexpand.c (expand_gimple_cond_expr): Don't use
9449         location_from_locus.
9450         (construct_exit_block): Remove old location code.
9451         * emit-rtl.c (force_next_line_note): Remove old location code.
9452         * profile.c (branch_prob): Remove old location code.
9453         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
9454         LOC_LINE): Remove old-location variants.
9455         * langhooks.c (lhd_print_error_function): Remove old location
9456         code.
9457         * configure, config.in: Rebuilt.
9458         * configure.ac (--enable-mapped-location): Remove.
9459         * c-decl.c (c_init_decl_processing): Remove old location code.
9460         (finish_function): Likewise.
9461         * recog.c (decode_asm_operands): Remove old location code.
9462         * c-pch.c (c_common_read_pch): Remove old location code.
9463         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
9464         variants.
9465         * gimple-low.c (lower_function_body): Remove old location code.
9466         * toplev.c (unknown_location): Remove.
9467         (push_srcloc): Remove old-location variant.
9468         (process_options): Remove old location code.
9469         (lang_dependent_init): Likewise.
9470         * input.h (UNKNOWN_LOCATION): Move definition.
9471         (location_t): Undeprecate.
9472         (source_locus): Remove.
9473         (location_from_locus): Remove.
9474         (struct location_s): Remove.
9475         Remove all old-location code.
9476         (input_line, input_filename): Remove.
9477         * final.c (final_scan_insn): Remove old location code.
9478         * diagnostic.c (diagnostic_build_prefix): Remove
9479         USE_MAPPED_LOCATION test.
9480         * tree.h (gimple_stmt) <locus>: Now a location_t.
9481         (tree_exp) <locus>: Likewise.
9482         (DECL_IS_BUILTIN): Remove old-location variant.
9483         (annotate_with_file_line, annotate_with_locus): Likewise.
9484         (expr_locus, set_expr_locus): Update.
9485         * tree.c (build1_stat): Remove old location code.
9486         (last_annotated_node): Remove.
9487         (annotate_with_file_line): Remove old-location variant.
9488         (annotate_with_locus): Likewise.
9489         (expr_location): Remove old location code.
9490         (set_expr_location): Likewise.
9491         (expr_has_location): Likewise.
9492         (expr_locus): Likewise.
9493         (set_expr_locus): Likewise.
9494         (expr_filename): Don't use location_from_locus.
9495         (expr_lineno): Likewise.
9496         * rtl-error.c (location_for_asm): Remove old location code.
9497         * c-lex.c (cb_line_change): Remove old location code.
9498         (fe_file_change): Likewise.
9499         (cb_def_pragma): Likewise.
9500         (c_lex_with_flags): Likewise.
9501         * gengtype.c (do_typedef): Don't special-case location types.
9502         (define_location_structures): Remove.
9503         (main): Don't call define_location_structures.
9504         * tree-pretty-print.c (dump_implicit_edges): Remove old location
9505         code.
9506
9507 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9508
9509         PR 26264
9510         * builtins.def (BUILT_IN_STDARG_START): Remove.
9511         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
9512         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
9513         * tree-inline.c (inline_forbidden_p_1): Likewise.
9514         
9515 2008-02-26  Richard Guenther  <rguenther@suse.de>
9516
9517         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
9518         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
9519         (lookup_decl_from_uid): Declare.
9520         (remove_decl_from_map): Likewise.
9521         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
9522         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
9523         (decl_for_uid_map): New global hashtable mapping DECL_UID
9524         to the decl tree.
9525         (init_ttree): Allocate it.
9526         (insert_decl_to_uid_decl_map): New helper function.
9527         (make_node_stat): Insert new decls into the map.
9528         (copy_node_stat): Likewise.
9529         (lookup_decl_from_uid): New function.
9530         (remove_decl_from_map): Likewise.
9531         (print_decl_for_uid_map_statistics): New helper.
9532         (dump_tree_statistics): Call it.
9533
9534         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
9535         (referenced_var_iterator): Adjust.
9536         (FOR_EACH_REFERENCED_VAR): Adjust.
9537         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
9538         (num_referenced_vars): Adjust.
9539         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
9540         (first_referenced_var): Remove.
9541         (end_referenced_vars_p): Likewise.
9542         (next_referenced_var): Likewise.
9543         (referenced_var_iterator_set): New helper function.
9544         * tree-dfa.c (referenced_var_lookup): Adjust.
9545         (referenced_var_check_and_insert): Likewise.
9546         (remove_referenced_var): Likewise.
9547         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
9548         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
9549         (verify_call_clobbering): Likewise.
9550         (verify_memory_partitions): Likewise.
9551         (init_tree_ssa): Allocate bitmap instead of hashtable for
9552         referenced_vars.
9553         (delete_tree_ssa): Adjust.
9554         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
9555         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
9556         (compute_tag_properties): Likewise.
9557         (set_initial_properties): Likewise.
9558         (find_partition_for): Likewise.
9559         (update_reference_counts): Likewise.
9560         (dump_may_aliases_for): Likewise.
9561         * tree-ssa-operands.c (add_virtual_operand): Likewise.
9562         (add_call_clobber_ops): Likewise.
9563         (add_call_read_ops): Likewise.
9564         (get_asm_expr_operands): Likewise.
9565         * tree-into-ssa.c (dump_decl_set): Likewise.
9566         (update_ssa): Likewise.
9567         * tree-sra.c (scan_function): Likewise.
9568         (decide_instantiations): Likewise.
9569         (scalarize_parms): Likewise.
9570         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
9571         (dsa_named_for): Likewise.
9572         * tree-ssa-structalias.c (update_alias_info): Likewise.
9573         (merge_smts_into): Likewise.
9574
9575 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9576
9577         PR 34351
9578         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
9579         * c-opts.c (c_common_handle_option): Wall enables
9580         Wvolatile-register-var.
9581         * common.opt: Move Wvolatile-register-var to...
9582         * c.opt: ...here.
9583         
9584 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9585
9586         * common.opt (Wlarger-than=): New.
9587         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
9588         -Wlarger-than=.
9589         * opts.c (common_handle_option): Handle -Wlarger-than=.
9590         * optc-gen.awk: Likewise.
9591         * opth-gen.awk: Likewise.
9592         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
9593         * tree-optimize.c (tree_rest_of_compilation): Likewise.
9594         
9595 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
9596
9597         * c-common.c (match_case_to_enum_1): Add appropriate
9598         OPT_W* parameter to warning.
9599         (c_do_switch_warnings): Likewise.
9600         * c-typeck.c (warning_init): Add one more parameter following
9601         'warning' function.
9602         (push_init_level): Update call to warning_init.
9603         (pop_init_level): Likewise.
9604         (add_pending_init): Likewise.
9605         (output_init_element: Likewise.
9606
9607 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9608
9609         PR 28322
9610         * toplev.c (toplev_main): If there are warnings or error, print
9611         errors for ignored options.
9612         * opts.c (ignored_options): New static variable.
9613         (postpone_unknown_option_error): New.
9614         (print_ignored_options): New.
9615         (handle_option): Postpone errors for unknown -Wno-* options.
9616         * opts.h (print_ignored_options): Declare.
9617         
9618 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
9619
9620         * config/mips/mips.md (loadgp_blockage, blockage): Change type
9621         to "ghost".
9622
9623 2008-02-25  Richard Guenther  <rguenther@suse.de>
9624
9625         Revert:
9626         2008-02-25  Richard Guenther  <rguenther@suse.de>
9627
9628         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
9629         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
9630         (lookup_decl_from_uid): Declare.
9631         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
9632         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
9633         (decl_for_uid_map): New global hashtable mapping DECL_UID
9634         to the decl tree.
9635         (init_ttree): Allocate it.
9636         (insert_decl_to_uid_decl_map): New helper function.
9637         (make_node_stat): Insert new decls into the map.
9638         (copy_node_stat): Likewise.
9639         (lookup_decl_from_uid): New function.
9640         (print_decl_for_uid_map_statistics): New helper.
9641         (dump_tree_statistics): Call it.
9642
9643         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
9644         (referenced_var_iterator): Adjust.
9645         (FOR_EACH_REFERENCED_VAR): Adjust.
9646         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
9647         (num_referenced_vars): Adjust.
9648         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
9649         (first_referenced_var): Remove.
9650         (end_referenced_vars_p): Likewise.
9651         (next_referenced_var): Likewise.
9652         (referenced_var_iterator_set): New helper function.
9653         * tree-dfa.c (referenced_var_lookup): Adjust.
9654         (referenced_var_check_and_insert): Likewise.
9655         (remove_referenced_var): Likewise.
9656         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
9657         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
9658         (verify_call_clobbering): Likewise.
9659         (verify_memory_partitions): Likewise.
9660         (init_tree_ssa): Allocate bitmap instead of hashtable for
9661         referenced_vars.
9662         (delete_tree_ssa): Adjust.
9663         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
9664         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
9665         (compute_tag_properties): Likewise.
9666         (set_initial_properties): Likewise.
9667         (find_partition_for): Likewise.
9668         (update_reference_counts): Likewise.
9669         (dump_may_aliases_for): Likewise.
9670         * tree-ssa-operands.c (add_virtual_operand): Likewise.
9671         (add_call_clobber_ops): Likewise.
9672         (add_call_read_ops): Likewise.
9673         (get_asm_expr_operands): Likewise.
9674         * tree-into-ssa.c (dump_decl_set): Likewise.
9675         (update_ssa): Likewise.
9676         * tree-sra.c (scan_function): Likewise.
9677         (decide_instantiations): Likewise.
9678         (scalarize_parms): Likewise.
9679         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
9680         (dsa_named_for): Likewise.
9681         * tree-ssa-structalias.c (update_alias_info): Likewise.
9682         (merge_smts_into): Likewise.
9683
9684 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
9685
9686         PR fortran/29549
9687         * doc/invoke.texi (-fcx-limited-range): Document new option.
9688         * toplev.c (process_options): Handle -fcx-fortran-rules.
9689         * common.opt: Add documentation for -fcx-fortran-rules.
9690
9691 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
9692
9693         PR c/35162
9694         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
9695         actual behaviour and C99.
9696         
9697 2008-02-26  Ben Elliston  <bje@au.ibm.com>
9698
9699         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
9700         (ASM_CPU_POWER6_SPEC): Likewise.
9701         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
9702         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
9703         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
9704
9705 2008-02-25  Richard Guenther  <rguenther@suse.de>
9706
9707         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
9708         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
9709         (lookup_decl_from_uid): Declare.
9710         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
9711         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
9712         (decl_for_uid_map): New global hashtable mapping DECL_UID
9713         to the decl tree.
9714         (init_ttree): Allocate it.
9715         (insert_decl_to_uid_decl_map): New helper function.
9716         (make_node_stat): Insert new decls into the map.
9717         (copy_node_stat): Likewise.
9718         (lookup_decl_from_uid): New function.
9719         (print_decl_for_uid_map_statistics): New helper.
9720         (dump_tree_statistics): Call it.
9721
9722         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
9723         (referenced_var_iterator): Adjust.
9724         (FOR_EACH_REFERENCED_VAR): Adjust.
9725         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
9726         (num_referenced_vars): Adjust.
9727         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
9728         (first_referenced_var): Remove.
9729         (end_referenced_vars_p): Likewise.
9730         (next_referenced_var): Likewise.
9731         (referenced_var_iterator_set): New helper function.
9732         * tree-dfa.c (referenced_var_lookup): Adjust.
9733         (referenced_var_check_and_insert): Likewise.
9734         (remove_referenced_var): Likewise.
9735         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
9736         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
9737         (verify_call_clobbering): Likewise.
9738         (verify_memory_partitions): Likewise.
9739         (init_tree_ssa): Allocate bitmap instead of hashtable for
9740         referenced_vars.
9741         (delete_tree_ssa): Adjust.
9742         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
9743         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
9744         (compute_tag_properties): Likewise.
9745         (set_initial_properties): Likewise.
9746         (find_partition_for): Likewise.
9747         (update_reference_counts): Likewise.
9748         (dump_may_aliases_for): Likewise.
9749         * tree-ssa-operands.c (add_virtual_operand): Likewise.
9750         (add_call_clobber_ops): Likewise.
9751         (add_call_read_ops): Likewise.
9752         (get_asm_expr_operands): Likewise.
9753         * tree-into-ssa.c (dump_decl_set): Likewise.
9754         (update_ssa): Likewise.
9755         * tree-sra.c (scan_function): Likewise.
9756         (decide_instantiations): Likewise.
9757         (scalarize_parms): Likewise.
9758         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
9759         (dsa_named_for): Likewise.
9760         * tree-ssa-structalias.c (update_alias_info): Likewise.
9761         (merge_smts_into): Likewise.
9762
9763 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
9764
9765         PR target/35258
9766         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
9767         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
9768         * alias.h (nonoverlapping_memrefs_p): Likewise.
9769
9770 2008-02-25  Jan Beulich  <jbeulich@novell.com>
9771
9772         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
9773         * config/i386/netware-libgcc.exp: Add __bswap?i2,
9774         __emultls_get_address, __emultls_register_common,
9775         __floatundi?f, and _Unwind_GetIPInfo.
9776         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
9777         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
9778         (gen_regparm_prefix): Likewise.
9779         (i386_nlm_encode_section_info): Sync with
9780         config/i386/winnt.c:i386_pe_encode_section_info().
9781         (i386_nlm_maybe_mangle_decl_assembler_name): New.
9782         i386_nlm_mangle_decl_assembler_name): New.
9783         (netware_override_options): New.
9784         * config/i386/netware.h (netware_override_options): Declare.
9785         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
9786         (i386_nlm_mangle_decl_assembler_name): Declare.
9787         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
9788
9789 2008-02-25  Ben Elliston  <bje@au.ibm.com>
9790
9791         PR other/32948
9792         * c-decl.c (grokdeclarator): Remove unused local variables
9793         `typedef_type' and `type_as_written'.
9794         * bb-reorder.c
9795         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
9796         unused local variable `has_hot_blocks'.
9797         (fix_crossing_conditional_branches): Remove unused local variable
9798         `prev_bb'.
9799         
9800 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
9801
9802         PR middle-end/19984
9803         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
9804         using DEF_C99_BUILTIN.
9805         (BUILT_IN_NANF): Ditto.
9806         (BUILT_IN_NANL): Ditto.
9807
9808 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
9809             Revital Eres  <eres@il.ibm.com>
9810
9811         * modulo-sched.c (calculate_must_precede_follow): Address TODO
9812         regarding the order of two dependent insns in the same row.
9813
9814 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
9815
9816         * stor-layout.c (layout_decl): Do not bump the alignment of a
9817         bit-field to more than byte alignment if it is packed.
9818
9819 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
9820
9821         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
9822         e300c2 and e300c3.
9823
9824 2008-02-24  Diego Novillo  <dnovillo@google.com>
9825
9826         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
9827
9828         PR 33738
9829         * tree-vrp.c (vrp_evaluate_conditional): With
9830         -Wtype-limits, emit a warning when comparing against a
9831         constant outside the natural range of OP0's type.
9832         * c.opt (Wtype-limits): Move ...
9833         * common.opt (Wtype-limits): ... here.
9834
9835 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
9836
9837         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
9838         * config/rs6000/e300c2c3.md: New file.
9839         * config/rs6000/rs6000.c (processor_costs): Add new costs for
9840         e300c2 and e300c3.
9841         (rs6000_override_options): Add e300c2 and e300c3 cases to
9842         processor_target_table. Do not allow usage of Altivec or Spe
9843         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
9844         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
9845         * config/rs6000/rs6000.h (processor_type): Add
9846         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
9847         (ASM_CPU_SPEC): Add e300c2 and e300c3.
9848         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
9849         and ppce300c3. Include e300c2c3.md.
9850
9851 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
9852
9853         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
9854         instead of TARGET_STRICT_ALIGN.
9855
9856 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
9857
9858         * explow.c (memory_address): Assert that the generated address is
9859         valid.
9860
9861 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
9862
9863         PR target/25477
9864         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
9865         * config/darwin-ppc-ldouble-patch.def: New file.
9866         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
9867         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
9868         SUBTARGET_INIT_BUILTINS if defined.
9869         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
9870         New functions.
9871
9872 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9873
9874         PR rtl-opt/33512
9875         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
9876         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
9877
9878 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9879
9880         PR pch/35027
9881         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
9882         file" warning condtional on -Winvalid-PCH.
9883
9884 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
9885
9886         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
9887
9888 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
9889
9890         PR target/22076
9891         PR target/34256 
9892         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
9893         prevent reload from using MMX registers.
9894         (*mov<mode>_internal): Ditto.
9895         (*movv2sf_internal_rex64): Ditto.
9896         (*movv2sf_internal): Ditto.
9897
9898 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9899
9900         PR documentation/31569
9901         * doc/install.texi2html: Use makeinfo --no-number-sections.
9902
9903 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
9904
9905         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
9906         ensure that we can address an entire entity > 8 bytes.  Don't
9907         generate reg+reg addressing for such data.
9908
9909 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
9910
9911         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
9912         strings when optimizing for size, unless the target cares about
9913         alignment.
9914
9915 2008-02-22  Tom Tromey  <tromey@redhat.com>
9916
9917         * regclass.c (current_pass): Remove declaration.
9918
9919 2008-02-22  Anatoly Sokolov <aesok@post.ru>
9920
9921         * config/avr/libgcc.S (__RAMPZ__): Define.
9922         (__do_copy_data): Add for devices with 128KB code memory.
9923
9924 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
9925
9926         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
9927         Use spe_abi.
9928         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
9929
9930 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
9931
9932         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
9933         GENNONACR_REGS.
9934
9935 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9936
9937         PR c/19999
9938         * c-typeck.c (build_binary_op): Warn about floating point
9939         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
9940
9941 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
9942
9943         PR target/34526
9944         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
9945         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
9946         add vrsave.
9947         (rs6000_override_options): Set altivec_abi as default, not override,
9948         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
9949         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
9950         is used; use new member spe_abi.
9951         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
9952         spe_abi and altivec_abi.
9953
9954 2008-02-22  Tomas Bily  <tbily@suse.cz>
9955
9956         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
9957
9958 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9959
9960         PR bootstrap/35273
9961         * config.build (build_file_translate): Set to `CMD //c' only if
9962         it works.
9963         * Makefile.in (build_file_translate): Improve comment.
9964
9965 2008-02-21  Jan Hubicka  <jh@suse.cz>
9966
9967         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
9968         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
9969         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
9970
9971 2008-02-21  Michael Matz  <matz@suse.de>
9972
9973         PR target/35264
9974         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
9975
9976 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
9977
9978         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
9979         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
9980         as insn constraint.
9981         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
9982         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
9983         SSE_VEC_FLOAT_MODE_P as insn constraint.
9984         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
9985         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
9986         sse4a_movntdf using MODEF mode iterator.
9987         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
9988         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
9989         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
9990         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
9991         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
9992         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
9993         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
9994
9995 2008-02-21  Richard Guenther  <rguenther@suse.de>
9996
9997         * tree.def (PAREN_EXPR): New tree code.
9998         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
9999         and PAREN_EXPR.
10000         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
10001         * expr.c (expand_expr_real_1): Likewise.
10002         * tree-inline.c (estimate_num_insns_1): Likewise.
10003         * tree-complex.c (expand_complex_move): Likewise.
10004         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
10005         as plain x.
10006
10007 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
10008
10009         PR target/35225
10010         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
10011
10012 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
10013
10014         PR target/35190
10015         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
10016
10017         * config/sh/sh.c (find_barrier): Don't go past
10018         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
10019
10020 2008-02-20  DJ Delorie  <dj@redhat.com>
10021
10022         * config/h8300/h8300.md (insv): Force source operand to be a register.
10023
10024         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
10025         as a jump, not as a plain insn.
10026         
10027 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
10028
10029         * doc/invoke.texi (Warning Options): Add new option
10030         -Wframe-larger-than=.
10031         (-Wframe-larger-than): Document.
10032
10033         * flags.h (warn_frame_larger_than, frame_larger_than_size):
10034         Add declarations for new option variables.
10035
10036         * final.c (final_start_function): Check the frame size
10037         before emission and issue a Wframe-larger-than warning.
10038
10039         * opts.c (warn_frame_larger_than, frame_larger_than_size):
10040         Add definitions for new option variables.
10041         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
10042
10043         * common.opt (Wframe-larger-than=): New option.
10044
10045 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
10046
10047         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
10048         (<sse>_div<mode>3): Ditto.
10049         (<sse>_vmdiv<mode>3): Ditto.
10050         (<sse>_vmsqrt<mode>2): Ditto.
10051         (*smax<mode>3): Ditto.
10052         (sse5_frcz<mode>2): Ditto.
10053         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
10054         as insn constraint.
10055
10056 2008-02-20  Richard Guenther  <rguenther@suse.de>
10057
10058         PR middle-end/35265
10059         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
10060         be happy with INTEGRAL_TYPE_P.
10061
10062 2008-02-20  Richard Guenther  <rguenther@suse.de>
10063
10064         * fold-const.c (split_tree): Associate floatig-point expressions
10065         if flag_associative_math is set.
10066
10067 2008-02-20  Richard Guenther  <rguenther@suse.de>
10068
10069         * tree.h (fold_real_zero_addition_p): Declare.
10070         * fold-const.c (fold_real_zero_addition_p): Export.
10071         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
10072         floating-point operations with zero and one.
10073
10074 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
10075
10076         * doc/install.texi: Correct references to CFLAGS, replacing them
10077         with BOOT_CFLAGS.  Document flags used during bootstrap for
10078         target libraries.
10079                                 
10080 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
10081
10082         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
10083         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
10084         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
10085         insn constraint.
10086         (smin<mode>3): Ditto from similar patterns.
10087         (smax<mode>3): Ditto.
10088         (*ieee_smin<mode>3): Ditto.
10089         (*ieee_smax<mode>3): Ditto.
10090         * config/i386/sse.md (sse): New mode attribute.
10091         (mov<mode>): Macroize expander from movv4sf and movv2df using
10092         SSEMODEF2P mode iterator.
10093         (<sse>_movnt<mode>): Ditto from similar patterns. Use
10094         SSE_VEC_FLOAT_MODE_P as insn constraint.
10095         (storent<mode>): Ditto.
10096         (storent<mode>): Macroize expander from storentsf and storentdf using
10097         MODEF mode iterator.
10098         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
10099         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
10100         (abs<mode>2): Ditto from similar patterns.
10101         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
10102         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
10103         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
10104         (<sse>_vmsqrt<mode>2): Ditto.
10105         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
10106         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
10107         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
10108         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
10109         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
10110         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
10111         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
10112         insn constraint.
10113         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
10114         iterator and SSE_FLOAT_MODE_P as insn constraint.
10115         (<sse>_ucomi): Ditto from similar patterns.
10116         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
10117         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
10118         SSE_VEC_FLOAT_MODE_P as insn constraint.
10119         (vcond<mode>): Ditto from similar patterns.
10120         (and<mode>3, *and<mode>3): Ditto.
10121         (<sse>_nand<mode>3): Ditto.
10122         (ior<mode>3, *ior<mode>3): Ditto.
10123         (xor<mode>3, *xor<mode>3): Ditto.
10124         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
10125         iterator and SSE_FLOAT_MODE_P as insn constraint.
10126         (*nand<mode>3): Ditto from similar patterns.
10127         (*ior<mode>3): Ditto.
10128         (*xor<mode>3): Ditto.
10129
10130 2008-02-20  Ira Rosen  <irar@il.ibm.com>
10131
10132         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
10133         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
10134         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
10135
10136 2008-02-19  Jan Hubicka  <jh@suse.cz>
10137
10138         * predict.c (tree_bb_level_predictions): Remove variable next
10139         mistakely introduced by previous commit.
10140
10141 2008-02-19  Jan Hubicka  <jh@suse.cz>
10142
10143         * predict.c (predict_paths_leading_to): Rewrite.
10144         (predict_paths_for_bb): New.
10145         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
10146
10147 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10148
10149         PR bootstrap/35218
10150         * Makefile.in (build_file_translate): New.
10151         (gcc-vers.texi): Use it for translating $(abs_srcdir).
10152         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
10153         * configure.ac (build_file_translate): Substitute it.
10154         * configure: Regenerate.
10155
10156 2008-02-19  Jan Hubicka  <jh@suse.cz>
10157
10158         PR rtl-optimization/34408
10159         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
10160         invalid sharing.
10161
10162 2008-02-19  Jan Hubicka  <jh@suse.cz>
10163
10164         PR middle-end/28779
10165         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
10166         call_expr.
10167
10168 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
10169
10170         PR Ada/35186
10171         * config/i386/i386-modes.def: Revert the last DI alignment
10172         change until Ada people can look into it.
10173
10174 2008-02-19  Nick Clifton  <nickc@redhat.com>
10175
10176         * opts.c (print_specific_help): Fix typo in --help text.
10177
10178 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
10179
10180         PR target/35239
10181         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
10182         32-bit inline asm without asm alternatives for host GCC < 3.0.
10183
10184 2008-02-19  Richard Guenther  <rguenther@suse.de>
10185
10186         PR tree-optimization/34989
10187         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
10188         Allow propagation to INDIRECT_REF if we can simplify only.
10189
10190 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10191
10192         * c-common.c (warn_for_collisions_1): Use appropriate option when
10193         warning.
10194
10195 2008-02-19  Nick Clifton  <nickc@redhat.com>
10196
10197         PR other/31349
10198         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
10199         (handle_options): Fix indentation.
10200         (print_filtered_help): If no language-specific options were
10201         displayed tell the user how to list all the options supported by
10202         the language's front-end.
10203         (print_specific_help): Fix indentation and remove duplicate line.
10204         (common_handle_option): Handle the -v option.
10205         For --help enable the display of undocumented options if the -v
10206         switch has been included on the command line.
10207         For --help= check for overlaps in the arguments between the option
10208         classes and the language names and issue a warning when they
10209         cannot be disambiguated.
10210         * c.opt (v): Pass on to the common option handler.
10211
10212 2008-02-19  Revital Eres  <eres@il.ibm.com> 
10213
10214         * modulo-sched.c (sms_schedule): Change dump message when
10215         create_ddg function fails.
10216         (try_scheduling_node_in_cycle): Rename row to cycle.
10217         (print_partial_schedule): Rename CYCLE to ROW.
10218
10219 2008-02-19  Christian Bruel  <christian.bruel@st.com>
10220             Zdenek Dvorak  <ook@ucw.cz>
10221
10222         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
10223
10224 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
10225
10226         PR target/33555
10227         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
10228         (*x86_movdicc_0_m1_se): Ditto.
10229
10230 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
10231
10232         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
10233         (CMPtype): Define as __gcc_CMPtype.
10234         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
10235         (CMPtype): Define as __gcc_CMPtype.
10236
10237 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
10238
10239         Support valgrind 3.3 for --enable-checking=valgrind.
10240         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
10241         here.
10242         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
10243         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
10244         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
10245         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
10246         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
10247         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
10248         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
10249         respectively.
10250         * ggc-zone.c: Similar.
10251         * ggc-page.c: Similar.
10252
10253 2008-02-19  Paul Brook  <paul@codesourcery.com>
10254
10255         PR target/35071
10256         * config/arm/ieee754-df.S: Fix do_it typo.
10257         * config/arm/ieee754-sf.S: Fix do_it typo.
10258
10259 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
10260
10261         PR target/35189
10262         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
10263         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
10264         (OPTION_MASK_ISA_SSE_SET): Likewise.
10265         (OPTION_MASK_ISA_SSE2_SET): Likewise.
10266         (OPTION_MASK_ISA_SSE3_SET): Likewise.
10267         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
10268         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
10269         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
10270         (OPTION_MASK_ISA_SSE4_SET): Likewise.
10271         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
10272         (OPTION_MASK_ISA_SSE5_SET): Likewise.
10273         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
10274         (OPTION_MASK_ISA_MMX_UNSET): Updated.
10275         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
10276         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
10277         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
10278         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
10279         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
10280         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
10281         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
10282         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
10283         (OPTION_MASK_ISA_SSE4): Removed.
10284         (ix86_handle_option): Turn on bits in ix86_isa_flags and
10285         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
10286         (override_options): Don't turn on implied SSE/MMX bits in
10287         ix86_isa_flags.
10288
10289 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
10290
10291         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
10292         32bit host.
10293
10294 2008-02-18  Joey Ye  <joey.ye@intel.com>
10295
10296         PR middle-end/34921
10297         * tree-nested.c (insert_field_into_struct): Set type alignment
10298         to field alignment if the former is less than the latter.
10299
10300 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
10301
10302         * BASE-VER: Set to 4.4.0.
10303
10304 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
10305
10306         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
10307         * doc/cfg.texi: Likewise.
10308         * doc/extend.texi: Likewise.
10309         * doc/gty.texi: Likewise.
10310         * doc/invoke.texi: Likewise.
10311         * doc/loop.texi: Likewise.
10312         * doc/md.texi: Likewise.
10313         * doc/passes.texi: Likewise.
10314         * doc/rtl.texi: Likewise.
10315         * doc/sourcebuild.texi: Likewise.
10316         * doc/tm.texi: Likewise.
10317         * doc/tree-ssa.texi: Likewise.
10318
10319 2008-02-17  Richard Guenther  <rguenther@suse.de>
10320
10321         PR middle-end/35227
10322         * tree-complex.c (init_parameter_lattice_values): Handle parameters
10323         without default definition.
10324
10325 2008-02-17  Richard Guenther  <rguenther@suse.de>
10326
10327         PR tree-optimization/35231
10328         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
10329         if A | B != 1.
10330
10331 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
10332
10333         Revert:
10334         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>    
10335         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
10336         libgcc_cmp_return mode.
10337
10338 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10339
10340         PR c/28368
10341         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
10342
10343 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
10344
10345         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
10346         multilibs.
10347
10348 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10349
10350         * doc/c-tree.texi: Use `@.' where appropriate.
10351         * doc/extend.texi: Likewise.
10352         * doc/install.texi: Likewise.
10353         * doc/invoke.texi: Likewise.
10354         * doc/loop.texi: Likewise.
10355         * doc/makefile.texi: Likewise.
10356         * doc/md.texi: Likewise.
10357         * doc/passes.texi: Likewise.
10358         * doc/standards.texi: Likewise.
10359         * doc/tm.texi: Likewise.
10360
10361 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
10362
10363         PR middle-end/35196
10364         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
10365         in entry_bb.
10366         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
10367         rather than in entry_bb.
10368
10369 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
10370
10371         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
10372         libgcc_cmp_return mode.
10373
10374 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
10375
10376         PR middle-end/35130
10377         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
10378         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
10379
10380 2008-02-15  Richard Guenther  <rguenther@suse.de>
10381             Zdenek Dvorak  <ook@ucw.cz>
10382
10383         PR tree-optimization/35164
10384         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
10385         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
10386         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
10387         Only propagate addresses which do not have abnormal SSA_NAMEs
10388         in their operands.
10389
10390 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
10391
10392         PR target/35088
10393         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
10394
10395 2008-02-15  Jan Hubicka  <jh@suse.cz>
10396
10397         PR middle-end/35149
10398         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
10399
10400 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
10401
10402         PR middle-end/34621
10403         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
10404         when calculating alignment_pad.
10405
10406 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
10407
10408         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
10409         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
10410         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
10411         and STACK_BOUNDARY define.
10412
10413 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
10414
10415         PR preprocessor/35061
10416         * c-pragma.c (handle_pragma_pop_macro): Check that
10417         pushed_macro_table has been allocated.
10418
10419 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
10420
10421         PR middle-end/35136
10422         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
10423         (force_gimple_operand): Likewise.
10424         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
10425         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
10426         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
10427         (find_interesting_uses_address): Check addressability and alignment
10428         of the base expression only after substituting bases of IVs into it.
10429
10430 2008-02-14  Michael Matz  <matz@suse.de>
10431
10432         PR target/34930
10433         * function.c (instantiate_virtual_regs_in_insn): Reload address
10434         before falling back to reloading the whole operand.
10435
10436 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
10437
10438         * config/s390/s390.c (s390_mainpool_start): Emit the pool
10439         before the first section switch note.
10440
10441 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
10442
10443         * doc/bugreport.texi: Update copyright years.
10444         * doc/c-tree.texi: Likewise.
10445         * doc/cfg.texi: Likewise.
10446         * doc/cpp.texi: Likewise.
10447         * doc/cppinternals.texi: Likewise.
10448         * doc/fragments.texi: Likewise.
10449         * doc/frontends.texi: Likewise.
10450         * doc/gcc.texi: Likewise.
10451         * doc/gty.texi: Likewise.
10452         * doc/hostconfig.texi: Likewise.
10453         * doc/implement-c.texi: Likewise.
10454         * doc/libgcc.texi: Likewise.
10455         * doc/loop.texi: Likewise.
10456         * doc/makefile.texi: Likewise.
10457         * doc/options.texi: Likewise.
10458         * doc/passes.texi: Likewise.
10459         * doc/rtl.texi: Likewise.
10460         * doc/sourcebuild.texi: Likewise.
10461         * doc/standards.texi: Likewise.
10462         * doc/tree-ssa.texi: Likewise.
10463         * doc/trouble.texi: Likewise.
10464
10465         * doc/extend.texi: Use @: or add comma where appropriate.
10466         * doc/invoke.texi: Likewise.
10467         * doc/tm.texi: Likewise.
10468
10469 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
10470
10471         PR target/34393
10472         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
10473         to a reg.
10474
10475 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
10476
10477         * doc/md.texi (clz, ctz): Add reference.
10478         * doc/rtl.texi (clz, ctz): Likewise.
10479
10480 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10481
10482         PR other/35148
10483         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
10484         srcdir.
10485
10486 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
10487
10488         * config/s390/s390.c (struct constant_pool): New field
10489         emit_pool_after added.
10490         (s390_mainpool_start): Set the emit_pool_after flag according
10491         to the section switch notes.
10492         (s390_mainpool_finish): Consider emit_pool_after when emitting
10493         the literal pool at the end of the function.
10494         (s390_chunkify_start): Force literal pool splits at section
10495         switch notes.
10496
10497 2008-02-13  Michael Matz  <matz@suse.de>
10498
10499         PR debug/35065
10500         * var-tracking.c (clobber_variable_part): Correctly traverse the
10501         list.
10502
10503 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10504
10505         PR 29673
10506         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
10507         Add -fdump-ipa-inline.
10508         * tree-dump.c (dump_files): Remove tree-inlined dump.
10509         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
10510         
10511 2008-02-12  Richard Guenther  <rguenther@suse.de>
10512
10513         PR tree-optimization/35171
10514         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
10515         default defs.
10516
10517 2008-02-12  Richard Guenther  <rguenther@suse.de>
10518
10519         PR middle-end/35163
10520         * fold-const.c (fold_widened_comparison): Use get_unwidened in
10521         value-preserving mode.  Disallow final truncation.
10522
10523 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
10524
10525         PR middle-end/35136
10526         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
10527         code from here to...
10528         (force_gimple_operand): ...here.
10529
10530 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
10531
10532         PR c++/35144
10533         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
10534         non-compatible pointers.
10535         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
10536         different FIELD_DECLs, try harder by comparing field offsets, sizes
10537         and types.
10538
10539         PR inline-asm/35160
10540         * function.c (match_asm_constraints_1): Don't replace the same input
10541         multiple times.
10542
10543 2008-02-12  Anatoly Sokolov <aesok@post.ru>
10544
10545         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
10546         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
10547         (expand_epilogue): Restore RAMPZ register.
10548         * config/avr/avr.md (RAMPZ_ADDR): New constant.
10549
10550 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
10551
10552         * config/i386/cygwin.asm: (__alloca): Correct calling
10553         convention and alignment.
10554         (__chkstk): Force 8 byte stack alignment.
10555
10556 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
10557             Richard Guenther  <rguenther@suse.de>
10558
10559         PR tree-optimization/33992
10560         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
10561         the zero we compare against.
10562
10563 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
10564
10565         PR libfortran/35063
10566         * gthr-win32.h (__gthread_mutex_destroy_function): New function
10567         to CloseHandle after unlocking to prevent accumulation of handle
10568         count.
10569
10570 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10571
10572         PR middle_end/34150
10573         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
10574         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
10575         and update LABEL_NUSES during and after reload.
10576
10577 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
10578
10579         PR middle-end/34627
10580         * combine.c (simplify_if_then_else): Make sure the comparison is
10581         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
10582
10583 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
10584
10585         PR bootstrap/35051
10586         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
10587         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
10588         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
10589         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
10590         * tree.h (get_type_static_bounds): Likewise.
10591
10592 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10593
10594         * doc/invoke.texi (Option Summary, C++ Dialect Options)
10595         (Objective-C and Objective-C++ Dialect Options, Warning Options):
10596         Make -Wfoo language annotations match what the compiler outputs.
10597
10598 2008-02-08  Sa Liu  <saliu@de.ibm.com>
10599
10600         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu 
10601         intrinsics spu_convts, spu_convtu, spu_convtf.
10602
10603 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
10604
10605         * doc/extend.texi (Function Attributes) <noinline>: Mention
10606         asm ("") as method to keep calls.
10607
10608 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10609
10610         PR other/32754
10611         * doc/options.texi (Options): Replace references to opts.sh with
10612         optc-gen.awk.
10613         * opts-common.c: Likewise.
10614         * optc-gen.awk: Likewise.
10615         
10616 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
10617
10618         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
10619
10620 2008-02-07  Richard Henderson  <rth@redhat.com>
10621
10622         PR rtl-opt/33410
10623         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
10624         EXPR_LIST for the REG_EQUAL instead of a comparison with a 
10625         funny mode.
10626
10627 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
10628
10629         PR tree-optimization/35085
10630         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
10631         for operand entry oe2 in addition to operand entry oe3 in order to
10632         expose more opportunities for vectorizer sum reduction.
10633
10634 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10635
10636         PR other/35107
10637         * Makefile.in (LIBS): Remove $(GMPLIBS).
10638         (cc1-dummy, cc1): Add $(GMPLIBS).
10639
10640 2008-02-06  Jan Hubicka  <jh@suse.cz>
10641
10642         PR target/23322
10643         * i386.md (moddf_integer): Do not produce partial memory stalls for
10644         targets where it hurts.
10645
10646 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
10647
10648         PR target/35083
10649         * optabs.c (expand_float): Do not check for decimal modes when
10650         expanding unsigned integer through signed conversion.
10651
10652 2008-02-06  Nick Clifton  <nickc@redhat.com>
10653
10654         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
10655         inside the clobber with a match_operand and duplicated operand
10656         number in the constraint.
10657         (ineqbranchsi): Delete redundant comment.
10658
10659 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
10660
10661         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add 
10662         builtin_define ("__USE_INIT_FINI__").
10663         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
10664         -msx multilibs.
10665         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
10666
10667 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10668
10669         PR documentation/30330
10670         * doc/invoke.texi (C++ Dialect Options)
10671         (Objective-C and Objective-C++ Dialect Options, Warning Options):
10672         For each warning option -Wfoo that allows -Wno-foo, ensure both
10673         -Wfoo and -Wno-foo are listed in the option index.  Fix index
10674         entry of -Wswitch-default, index -Wnormalized= including the
10675         `=', and -Wlarger-than-@var{len} including @var{len}.
10676
10677 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
10678
10679         * config/i386/i386.md (floatunssisf2): Use
10680         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
10681         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
10682         Macroize expander using MODEF mode iterator.
10683
10684 2008-02-05  Diego Novillo  <dnovillo@google.com>
10685
10686         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
10687
10688         PR 33738
10689         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
10690
10691 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10692
10693         PR other/35070
10694         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
10695
10696 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
10697
10698         PR target/35084
10699         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
10700         to indicate if a message should be generated.
10701         (init_cumulative_args): Updated.
10702         (function_value_32): Likewise.
10703
10704 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
10705
10706         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
10707
10708 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
10709
10710         PR target/35083
10711         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
10712         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
10713
10714 2008-02-04  Diego Novillo  <dnovillo@google.com>
10715
10716         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
10717
10718         PR 33738
10719         * tree-vrp.c (vrp_evaluate_conditional): With
10720         -Wtype-limits, emit a warning when comparing against a
10721         constant outside the natural range of OP0's type.
10722
10723 2008-02-04  Richard Guenther  <rguenther@suse.de>
10724
10725         PR middle-end/33631
10726         * expr.c (count_type_elements): Give for unions instead of
10727         guessing.
10728
10729 2008-02-04  Richard Guenther  <rguenther@suse.de>
10730
10731         PR middle-end/35043
10732         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
10733         to TYPE_DOMAINs base type instead of using bitsizetype here.
10734
10735 2008-02-03  Jason Merrill  <jason@redhat.com>
10736
10737         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
10738
10739 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10740
10741         PR other/29972
10742         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
10743         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
10744         (RS/6000 and PowerPC Options): Fix typos and markup.
10745         * doc/passes.texi (Tree-SSA passes): Likewise.
10746
10747 2008-02-02  Michael Matz  <matz@suse.de>
10748
10749         PR target/35045
10750         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
10751         from record_last_reg_set_info.
10752         (record_last_reg_set_info): Take an RTX argument, iterate over all
10753         constituent hardregs.
10754         (record_last_set_info, record_opr_changes): Change calls to
10755         new signature or to record_last_reg_set_info_regno.
10756
10757 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
10758
10759         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
10760
10761 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
10762
10763         PR rtl-optimization/34773
10764         * reg-notes.def (EQUAL): Mention significance of combination of
10765         REG_EQUAL and REG_RETVAL.
10766         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
10767         insn that has a REG_RETVAL.
10768
10769 2008-02-01  Roger Sayle  <roger@eyesopen.com>
10770
10771         PR bootstrap/33781
10772         * configure.ac (--enable-fixed-point): Disable unless explicitly
10773         requested on IRIX.
10774         * configure: Regenerate.
10775
10776 2008-02-01  Richard Guenther  <rguenther@suse.de>
10777
10778         PR other/35042
10779         * invoke.texi (-finline-limit): Remove no longer true parts
10780         of the documentation.  Note that there is no default value.
10781
10782 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
10783             Mark Mitchell  <mark@codesourcery.com>
10784             Ben Elliston  <bje@au.ibm.com>
10785
10786         PR c/29326
10787         * doc/extend.texi (Other Builtins): Document.
10788
10789 2008-01-31  Tom Browder <tom.browder@gmail.com>
10790
10791         * doc/c-tree.texi (Types): Fix grammar.
10792         (Expression trees): Ditto.
10793         * doc/passes.texi (Tree-SSA passes): Ditto.
10794         
10795         * doc/configterms.texi (Configure Terms): Fix typo.
10796         * doc/cpp.texi (Common Predefined Macros): Ditto.
10797         * doc/md.texi (Machine Constraints): Ditto.
10798         
10799         * doc/makefile.texi (Makefile): Add comma.
10800
10801 2008-01-31  Tom Browder  <tom.browder@gmail.com>
10802             Gerald Pfeifer  <gerald@pfeifer.com>
10803         
10804         * doc/sourcebuild.texi (Front End): Remove references to CVS
10805         and CVSROOT/modules.
10806         (Texinfo Manuals): Replace reference to CVS by one to SVN.
10807         (Back End): Remove reference to CVS.
10808
10809 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
10810
10811         PR target/34900
10812         * config/mips/mips.c (gen_load_const_gp): New function, taking a
10813         comment from...
10814         (mips16_gp_pseudo_reg): ...here.
10815         * config/mips/mips.md (load_const_gp): Replace with...
10816         (load_const_gp_<mode>): ...this :P-based insn.
10817
10818 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10819
10820         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
10821         options. Minor fixes.
10822         (-std): Move reference to standards closer to where language
10823         standards are first mentioned.
10824         
10825 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
10826
10827         PR rtl-optimization/34995
10828         * reload.c (alternative_allows_const_pool_ref): Take an rtx
10829         parameter and return a bool.  If the rtx parameter is nonnull,
10830         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
10831         (find_reloads): Update call accordingly.  Pass the new operand
10832         if it needed no address reloads, otherwise pass null.
10833
10834 2008-01-30  Richard Henderson  <rth@redhat.com>
10835
10836         PR c/34993
10837         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
10838         for unbounded arrays.
10839
10840 2008-01-30  Silvius Rus  <rus@google.com>
10841
10842         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
10843
10844 2008-01-30  Jan Hubicka  <jh@suse.cz>
10845
10846         PR target/34982
10847         * i386.c (init_cumulative_args): Use real function declaration when
10848         calling locally.
10849
10850 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
10851
10852         PR rtl-optimization/34998
10853         * global.c (build_insn_chain): Treat non-subreg_lowpart
10854         SUBREGs of pseudos as clobbering all the words covered by the
10855         SUBREG, not just all the bytes.
10856         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
10857         original df_ref rather than an extract parameter.
10858         (global_conflicts): Update call accordingly.
10859
10860 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
10861
10862         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
10863         the overflow check to make it easier to read.
10864         (__fixtfdi): Change the type of the ll member in union
10865         long_double to UDItype_x.
10866
10867 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
10868
10869         PR middle-end/34969
10870         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
10871         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
10872         * tree-inline.c (fold_marked_statements): Call
10873         cgraph_update_edges_for_call_stmt if folding a call statement.
10874         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
10875         debug_generic_stmt calls, reset it back afterwards.
10876
10877         PR c/35017
10878         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
10879         static decls.
10880         * c-typeck.c (build_external_ref): Don't pedwarn about
10881         static vars in current function's scope.
10882
10883 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
10884
10885         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
10886
10887 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
10888
10889         PR c/35002
10890         * ipa-struct-reorg.c: Fix spelling.
10891         * params.def: Ditto.
10892
10893 2008-01-29  Richard Guenther  <rguenther@suse.de>
10894
10895         PR middle-end/35006
10896         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
10897         field.
10898         * tree-inline.c (remap_type): Increment remapping_type_depth
10899         around remapping types.
10900         (copy_body_r): Only add referenced variables if they are referenced
10901         from code, not types.
10902
10903 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
10904
10905         PR c++/34055
10906         PR c++/34103
10907         PR c++/34219
10908         PR c++/34606
10909         PR c++/34753
10910         PR c++/34754
10911         PR c++/34755
10912         PR c++/34919
10913         PR c++/34961
10914         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
10915         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
10916
10917 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
10918
10919         PR target/34412
10920         * config/avr/avr.c (expand_prologue): Use correct QI mode frame 
10921         pointer for tiny stack.
10922
10923 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
10924
10925         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
10926
10927 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
10928
10929         * config/vx-common.h: Fix typo in comment.
10930
10931 2008-01-28  Ian Lance Taylor  <iant@google.com>
10932
10933         PR c++/34862
10934         PR c++/33407
10935         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
10936         coalesce pointers if they have different DECL_NO_TBAA_P values.
10937         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
10938         between variables with different DECL_NO_TBAA_P values.
10939
10940 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
10941
10942         PR 31535
10943         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
10944         are not legitimate small data references on SPE targets.
10945
10946 2008-01-28  David Daney  <ddaney@avtrex.com>
10947
10948         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
10949
10950 2008-01-28  David Daney  <ddaney@avtrex.com>
10951
10952         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
10953
10954 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
10955
10956         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
10957         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
10958         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
10959         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
10960         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
10961         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
10962         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
10963         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
10964
10965 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
10966
10967         * basic-block.h (condjump_equiv_p): Fix comment.
10968
10969 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
10970
10971         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
10972         print_generic_stmt_indented): Fix comment.
10973
10974 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
10975
10976         * configure.ac (__stack_chk_fail): Add detecion for availability
10977         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
10978         * configure: Regenerate.
10979
10980 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
10981
10982         PR middle-end/34688
10983         * final.c (output_addr_const): Handle TRUNCATE.
10984
10985 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
10986
10987         PR target/34711
10988         * tree-ssa-loop-ivopts.c (comp_cost): New type.
10989         (zero_cost, infinite_cost): New constants.
10990         (struct cost_pair): Change type of cost to comp_cost.
10991         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
10992         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
10993         New functions.
10994         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
10995         split_address_cost, ptr_difference_cost, difference_cost,
10996         get_computation_cost_at, get_computation_cost,
10997         determine_use_iv_cost_generic, determine_use_iv_cost_address,
10998         determine_use_iv_cost_condition, determine_use_iv_costs,
10999         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
11000         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
11001         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
11002         Change type of cost to comp_cost.
11003         (determine_iv_cost): Increase cost of non-original ivs, instead
11004         of decreasing the cost of original ones.
11005         (get_address_cost): Indicate the complexity of the addressing mode 
11006         in comp_cost.
11007         (try_add_cand_for): Prefer using ivs not specific to some object.
11008         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
11009
11010 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
11011             Janis Johnson  <janis187@us.ibm.com>
11012
11013         PR target/34814
11014         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
11015         (TARGET_INSTANTIATE_DECLS): Likewise.
11016         * target.h (expand_to_rtl_hook): New target hook.
11017         (instantiate_decls): Likewise.
11018         * function.c (instantiate_decl): Make non-static.  Rename to...
11019         (instantiate_decl_rtl): ... this.
11020         (instantiate_expr): Use instantiate_decl_rtl.
11021         (instantiate_decls_1): Likewise.
11022         (instantiate_decls): Likewise.
11023         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
11024         * function.h (instantiate_decl_rtl): Add prototype.
11025         * cfgexpand.c (target.h): New include.
11026         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
11027         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
11028         (TARGET_INSTANTIATE_DECLS): Likewise.
11029         (TARGET_INITIALIZER): New target hooks added.
11030         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
11031         New prototype.
11032         * config/rs6000/rs6000.c (tree-flow.h): New include.
11033         (machine_function): Add sdmode_stack_slot field.
11034         (rs6000_alloc_sdmode_stack_slot): New function.
11035         (rs6000_instantiate_decls): Likewise.
11036         (rs6000_secondary_memory_needed_rtx): Likewise.
11037         (rs6000_check_sdmode): Likewise.
11038         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
11039         (TARGET_INSTANTIATE_DECLS): Likewise.
11040         (rs6000_hard_regno_mode_ok): Allow SDmode.
11041         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
11042         (rs6000_emit_move): Handle SDmode.
11043         (function_arg_advance): Likewise.
11044         (function_arg): Likewise.
11045         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
11046         SDmode var args for 32-bit compiles.
11047         (rs6000_secondary_reload_class): Handle SDmode.
11048         (rs6000_output_function_epilogue): Likewise.
11049         (rs6000_function_value): Simplify if statement.
11050         (rs6000_libcall_value): Likewise.
11051         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
11052         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
11053         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
11054         (movsd_hardfloat): New define_insn.
11055         (movsd_softfloat): Likewise.
11056         (movsd_store): Likewise.
11057         (movsd_load): Likewise.
11058         (extendsddd2): Likewise.
11059         (extendsdtd2): Likewise.
11060         (truncddsd2): Likewise.
11061         (movdd_hardfloat64): Fixup comment.
11062         (UNSPEC_MOVSD_LOAD): New constant.
11063         (UNSPEC_MOVSD_STORE): Likewise.
11064
11065 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
11066
11067         PR c++/34965
11068         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
11069         TRUTH_XOR_EXPR.
11070         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
11071         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
11072         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
11073         and TRUTH_XOR_EXPR.
11074
11075 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
11076
11077         PR target/34794
11078         * config.gcc: Separate AIX 5.3 from AIX 6.1.
11079         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
11080         __LONGDOUBLE128 too.
11081         * config/rs6000/aix61.h: New file.
11082
11083 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
11084
11085         PR rtl-optimization/34959
11086         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
11087         popcount and parity rtxes the same mode as their operand.
11088         Truncate or extend the result to the return value's mode
11089         if necessary.
11090
11091 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
11092
11093         PR target/34981
11094         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
11095         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
11096         to GOT_VERSION_REGNUM.
11097         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
11098         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
11099         * config/mips/mips.c (mips_emit_call_insn): New function.
11100         (mips_call_tls_get_addr): Call mips_expand_call directly.
11101         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
11102         emit_call_insn.
11103         (mips16_build_call_stub): Likewise.  Return the call insn or null.
11104         (mips_expand_call): Update the call to mips16_build_call_stub
11105         accordingly and a remove redundant condition.  Assert that MIPS16
11106         stubs do not use lazy binding.  Use mips_emit_call_insn and return
11107         the call insn.
11108         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
11109         TARGET_USE_GOT.
11110         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
11111         (mips_avoid_hazard): Remove hazard_set handling.
11112         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
11113         (UNSPEC_RESTORE_GP): ...this.
11114         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
11115         (FAKE_CALL_REGNO): Rename to...
11116         (GOT_VERSION_REGNUM): ...this.
11117         (type): Add "ghost" value.  Add an associated insn reservation.
11118         (hazard_set): Remove.
11119         (exception_receiver): Rename to...
11120         (restore_gp): ...this and update the unspec identifier accordingly.
11121         (exception_receiver, nonlocal_got_receiver): New expanders.
11122         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
11123         FAKE_CALL_REGNO.  Remove hazard_set attribute.
11124         (set_got_version, update_got_version): New patterns.
11125
11126 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
11127
11128         PR target/34970
11129         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
11130
11131 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
11132
11133         PR other/31955
11134         * doc/install.texi2html: Generate gcc-vers.texi.
11135
11136 2008-01-25  DJ Delorie  <dj@redhat.com>
11137
11138         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
11139
11140 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
11141
11142         * config/c4x: Remove directory.
11143         * config.gcc (crx-*, mt-*): Mark obsolete.
11144         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
11145         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
11146         sh-*-rtemscoff*): Remove cases.
11147         * defaults.h (C4X_FLOAT_FORMAT): Remove.
11148         * real.c (encode_c4x_single, decode_c4x_single,
11149         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
11150         c4x_extended_format): Remove.
11151         * real.h (c4x_single_format, c4x_extended_format): Remove.
11152         * doc/extend.texi (interrupt, naked): Remove mention of attributes
11153         on C4x.
11154         (Pragmas): Remove comment about c4x pragmas.
11155         * doc/install.texi (c4x): Remove target-specific instructions.
11156         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
11157         * doc/md.texi (Machine Constraints): Remove C4x documentation.
11158         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
11159         refer to C4x source files as examples.
11160         (C4X_FLOAT_FORMAT): Remove documentation.
11161
11162 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
11163
11164         * config/bfin/bfin.c (override_options): Reorder tests so that
11165         flag_pic gets enabled for -msep-data.
11166
11167 2008-01-25  Richard Guenther  <rguenther@suse.de>
11168
11169         PR middle-end/32244
11170         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
11171         to its bitfield precision if required.
11172
11173 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
11174
11175         PR middle-end/33880
11176         * tree-nested.c (walk_omp_for): New function.
11177         (convert_nonlocal_reference, convert_local_reference): Call
11178         walk_omp_for on OMP_FOR.
11179         (convert_call_expr): Call walk_body on OMP_FOR's
11180         OMP_FOR_PRE_INIT_BODY.
11181
11182 2008-01-25  Richard Guenther  <rguenther@suse.de>
11183
11184         PR tree-optimization/34966
11185         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
11186         default defs and PHI_NODEs we have to insert after the
11187         defining statement.
11188
11189 2008-01-24  Nick Clifton  <nickc@redhat.com>
11190
11191         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
11192         Provide a default definition.
11193         (LIBGCC2_UNITS_PER_WORD): Likewise.
11194
11195         * config/stormy16/stormy16.c: Include df.h for the prototype
11196         for df_regs_ever_live_p.
11197         (xstormy16_expand_builtin_va_start): Convert the stack offset
11198         into a component_ref and then use POINTER_PLUS_EXPR to add it
11199         to the incoming_virtual_args_rtx.
11200         (xstormy16_gimplify_va_arg_expr): Rename to
11201         xstormy16_gimplify_va_arg_expr.
11202         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
11203         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
11204         xstormy16_gimplify_va_arg_expr.
11205         Fix up some formatting issues.
11206
11207         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
11208         Move to predicates.md.
11209         (xs_hi_general_operand): Likewise.
11210         (xs_hi_nonmemory_operand): Likewise.
11211         * config/stormy16/predicates.md:
11212         (xstormy16_carry_plus_operand): New predicate.
11213         (xs_hi_general_operand): New predicate.
11214         (xs_hi_nonmemory_operand): New predicate.
11215         * config/stormy16/stormy16-protos.h:
11216         (xstormy16_carry_plus_operand): Delete prototype.
11217         (xs_hi_general_operand): Likewise.
11218         (xs_hi_nonmemory_operand): Likewise.
11219
11220         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
11221         modifiers as they are no longer needed and they can trigger
11222         reload spill failures.
11223
11224         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
11225         with a match_operand in order to help reload.
11226
11227         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
11228         constraint with 'e' for the 8th alternative as this version of
11229         the mov.w instruction only accepts the lower 8 registers.
11230
11231 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
11232
11233         PR target/34856
11234         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
11235         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
11236         vector elements.
11237
11238 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
11239
11240         PR middle-end/33333
11241         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
11242
11243 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
11244
11245         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
11246         New functions.
11247         (remove_structure): Update allocations list before removing structure.
11248         
11249 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
11250
11251         * ipa-struct-reorg.c (is_safe_cond_expr, 
11252         create_new_stmts_for_cond_expr): Use integer_zerop function,
11253         that recognize not only zero-pointer, but zero-integer too.
11254
11255 2008-01-25  Ben Elliston  <bje@au.ibm.com>
11256
11257         PR other/22232
11258         * fixproto: Escape "." in sed expression that strips leading "./".
11259
11260 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
11261
11262         PR driver/34904
11263         * gcc.c (SWITCH_OK): Removed.
11264         (SWITCH_LIVE): Changed to bit.
11265         (SWITCH_FALSE): Likewise.
11266         (SWITCH_IGNORE): Likewise.
11267         (switchstr): Change live_cond to unsigned int.
11268         (process_command): Replace SWITCH_OK with 0.
11269         (do_self_spec): Likewise.
11270         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
11271         (give_switch): Likewise.
11272         (used_arg): Likewise.
11273         (do_spec_1): Set the SWITCH_IGNORE bit.
11274         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
11275         bits.  Set the SWITCH_LIVE bit.
11276
11277 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
11278
11279         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
11280
11281 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
11282
11283         PR tree-optimization/34472
11284         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
11285         parameter to a "bool *" and set *DATA to false if there is
11286         an unsafe access.  Do not delete the structure here.
11287         (check_cond_exprs): Delete it here instead.
11288         (check_cond_exprs, exclude_cold_structs): Do not increase
11289         I when removing a structure.
11290
11291 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
11292
11293         PR target/34856
11294         * config/i386/i386.c (ix86_expand_vector_init): Consider only
11295         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
11296
11297 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
11298
11299         PR middle-end/34934
11300         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
11301         a fixed vector for stack.
11302
11303 2008-01-24  Ben Elliston  <bje@au.ibm.com>
11304
11305         PR c++/25701
11306         * doc/gcc.texi (Software development): Add a direntry for g++.
11307         
11308 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
11309
11310         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
11311         stale and straggling -fforce-addr comments above.
11312
11313         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
11314         define.
11315         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
11316         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
11317
11318 2008-01-23  Michael Matz  <matz@suse.de>
11319
11320         PR debug/34895
11321         * dwarf2out.c (force_type_die): Use modified_type_die instead of
11322         gen_type_die.
11323
11324 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
11325
11326         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
11327         malloc result type.
11328
11329 2008-01-23 Anatoly Sokolov <aesok@post.ru>
11330
11331         * config/avr/avr.c (avr_current_arch): New variable.
11332         (avr_arch_types): Add 'avr31' and 'avr51' entries.
11333         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
11334         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
11335         (avr_override_options): Init 'avr_current_arch'. 
11336         (base_arch_s): Move from here...
11337         * config/avr/avr.h (base_arch_s): ... here. Add new members 
11338         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename 
11339         'mega' to 'have_jmp_call'.
11340         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__", 
11341         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
11342         macros.
11343         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51' 
11344         architectures.
11345         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, 
11346         MULTILIB_MATCHES): (Ditto.).
11347
11348 2008-01-23  Richard Guenther  <rguenther@suse.de>
11349
11350         PR middle-end/31529
11351         * cgraphunit.c (cgraph_reset_node): Always mark the node
11352         not reachable if it is not queued already.
11353
11354 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
11355
11356         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
11357         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
11358         (cputype_selected): New static variable.
11359         (bfin_handle_option): Set it if -mcpu is used.
11360         (override_option): Select default set of workarounds if no cpu type
11361         selected on the command line.
11362         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
11363
11364         From  Michael Frysinger  <michael.frysinger@analog.com>
11365         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
11366         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
11367
11368         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
11369         for bf547, bf523, bf524, and bf526.
11370         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
11371         bf526.
11372         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
11373         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
11374         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
11375         __ADSPBF547__ and __ADSPBF54x__ for bf547.
11376         * doc/invoke.texi (Blackfin Options): Document that
11377         -mcpu now accept bf547, bf523, bf524, and bf526.
11378
11379 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
11380
11381         PR rtl-optimization/34628
11382         * combine.c (try_combine): Stop and undo after the first combination
11383         if an autoincrement side-effect on the first insn has effectively
11384         been lost.
11385
11386 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
11387
11388         PR target/34529
11389         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
11390         Offset addresses are not valid for Altivec or paired float modes.
11391
11392 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
11393
11394         PR c++/34607
11395         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
11396         if DECL_INITIAL (decl) is error_mark_node.
11397
11398         PR c++/34914
11399         * c-common.c (handle_vector_size_attribute): Only allow
11400         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
11401         the same way as pointer, array etc. types.
11402         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
11403
11404         PR c++/34917
11405         * tree.c (build_type_attribute_qual_variant): Call
11406         build_qualified_type if attributes are equal, but quals are not.
11407
11408 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11409
11410         PR 32102
11411         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
11412         * flags.h (warn_strict_aliasing): Remove.
11413         (warn_strict_overflow): Remove.
11414         * opts.c (warn_strict_aliasing): Remove.
11415         (warn_strict_overflow): Remove.
11416         * c-opts.c (c_common_handle_option): -Wall only sets
11417         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
11418         (c_common_post_options): Give default values to -Wstrict-aliasing
11419         and -Wstrict-overflow if they are uninitialized.
11420         * common.opt (Wstrict-aliasing): Specify Var and Init.
11421         (Wstrict-overflow): Likewise.
11422
11423 2008-01-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
11424
11425         PR rtl-optimization/26854
11426         PR rtl-optimization/34400
11427         PR rtl-optimization/34884
11428         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
11429         DF_RD->gen.
11430         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
11431         (df_rd_bb_info.expanded_lr_out): Deleted
11432         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
11433         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
11434         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
11435         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
11436         Removed code to allocate, initialize or free expanded_lr_out.
11437         (df_rd_bb_local_compute_process_def): Restructured to make more
11438         understandable.
11439         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
11440         sets if the sets are being trimmed.
11441
11442 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
11443
11444         PR bootstrap/32287
11445         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
11446         (as_vers): Likewise.
11447         * configure: Regenerated.
11448
11449 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11450
11451         PR middle-end/33092
11452         * tree-pass.h (pass_build_alias): New pass.
11453         * tree-ssa-alias.c (gate_build_alias): New.
11454         (pass_build_alias): New.
11455         * passes.c (init_optimization_passes): Add pass_build_alias after
11456         pass_create_structure_vars.
11457
11458 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
11459
11460         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
11461         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
11462         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
11463         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
11464         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
11465         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
11466         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
11467         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
11468         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
11469         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
11470         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
11471         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
11472         * config/s390/s390.md (FP_ALL): New mode iterator.
11473         (_d): New mode attribute.
11474         ("*signbit<mode>2>"): Changed mode of first operand.
11475         ("isinf<mode>2"): Changed mode of first operand.
11476         ("*TDC_insn"): Adaptation for DFP modes.
11477
11478 2008-01-22  Ben Elliston  <bje@au.ibm.com>
11479
11480         * tree.c (check_qualified_type): Improve function description.
11481
11482 2008-01-21  Jason Merrill  <jason@redhat.com>
11483
11484         PR c++/34196
11485         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
11486         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
11487         if it is set.
11488
11489 2008-01-21  DJ Delorie  <dj@redhat.com>
11490
11491         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
11492         return zero.
11493
11494 2008-01-21  Richard Guenther  <rguenther@suse.de>
11495
11496         PR middle-end/34856
11497         * tree-cfg.c (verify_expr): Allow all invariant expressions
11498         instead of just constant class ones as reference argument.
11499         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
11500         like any other constant.
11501         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
11502
11503 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
11504
11505         * regmove.c (fixup_match_1): Update call crossed frequencies.
11506
11507 2008-01-21  Richard Guenther  <rguenther@suse.de>
11508
11509         PR c/34885
11510         * tree-inline.c (setup_one_parameter): Deal with mismatched
11511         types using a VIEW_CONVERT_EXPR.
11512
11513 2008-01-21  Alon Dayan  <alond@il.ibm.com>
11514             Olga Golovanevsky  <olga@il.ibm.com>
11515         
11516         PR tree-optimization/34701
11517         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
11518         when the structure size is not a power of 2.
11519
11520 2008-01-20  Kenneth Zadeck  <zadeck@naturalbridge.com>
11521
11522         * doc/install.texi: Add doc for --enable-checking=df.
11523         
11524 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
11525
11526         PR rtl-optimization/34808
11527         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
11528
11529 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
11530
11531         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
11532         input.
11533
11534 2008-01-19  Kenneth Zadeck  <zadeck@naturalbridge.com>
11535
11536         PR rtl-optimization/26854
11537         PR rtl-optimization/34400
11538         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
11539         DF_RD->gen.
11540         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
11541         (df_rd_bb_info.expanded_lr_out): New.
11542         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
11543         * loop_iv.c (iv_analysis_loop_init): Ditto.
11544         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
11545         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
11546         Added code to allocate, initialize or free expanded_lr_out.
11547         (df_rd_bb_local_compute_process_def): Restructured to make
11548         more understandable.
11549         (df_rd_confluence_n): Add code to do nothing with fake edges and
11550         code to no apply invalidate_by_call sets if the sets are being trimmed.
11551         (df_lr_local_finalize): Renamed to df_lr_finalize.
11552         (df_live_local_finalize): Renamed to df_live_finalize.
11553
11554 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
11555
11556         PR target/34831
11557         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
11558         deciding whether to use reciprocal instructions.
11559
11560 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
11561
11562         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
11563         dwarf2out_note_section_used if cold_text_section is NULL.
11564
11565 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
11566
11567         PR gcov-profile/34610
11568         * tree-cfg.c (make_edges): Mark both outgoing edges from
11569         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
11570         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
11571         from OMP_FOR and OMP_CONTINUE outgoing edges.
11572
11573         * tree-profile.c (tree_profiling): Return early if
11574         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
11575         at the end.
11576         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
11577         from cfun to child_cfun.
11578         * function.h (struct function): Add after_tree_profile bit.
11579
11580 2008-01-19 Anatoly Sokolov <aesok@post.ru>
11581
11582         * config/avr/avr.S (_exit): Disable interrupt.
11583
11584 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
11585             Steven Bosscher  <stevenb.gcc@gmail.com>
11586
11587         PR rtl-optimization/26854
11588         PR rtl-optimization/34400
11589         * df-problems.c (df_live_scratch): New scratch bitmap.
11590         (df_live_alloc): Allocate df_live_scratch when doing df_live.
11591         (df_live_reset): Clear the proper bitmaps.
11592         (df_live_bb_local_compute): Only process the artificial defs once
11593         since the order is not important.
11594         (df_live_init): Init the df_live sets only with the variables
11595         found live by df_lr.
11596         (df_live_transfer_function): Use the df_lr sets to prune the
11597         df_live sets as they are being computed.  
11598         (df_live_free): Free df_live_scratch.
11599
11600 2008-01-18  Ian Lance Taylor  <iant@google.com>
11601
11602         * common.opt: Add fmerge-debug-strings.
11603         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
11604         flag_merge_debug_strings rather than flag_merge_constants.
11605         * doc/invoke.texi (Option Summary): Mention
11606         -fmerge-debug-strings.
11607         (Debugging Options): Document -fmerge-debug-strings.
11608
11609 2008-01-18  Ian Lance Taylor  <iant@google.com>
11610
11611         PR c++/33407
11612         * tree.h (DECL_IS_OPERATOR_NEW): Define.
11613         (struct tree_function_decl): Add new field operator_new_flag.
11614         * tree-inline.c (expand_call_inline): When inlining a call to
11615         operator new, force the return value to go into a variable, and
11616         set DECL_NO_TBAA_P on that variable.
11617         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
11618
11619 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
11620
11621         PR debug/34484
11622         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
11623         DWARF2_DEBUGGING_INFO.
11624         (dwarf2out_note_section_used): Ditto.  Add prototype.
11625         (have_multiple_function_sections, text_section_used,
11626         cold_text_section_used, *cold_text_sections): Move declarations
11627         before their uses.
11628
11629 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
11630
11631         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
11632         field and add signal_ra.
11633         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
11634         assignments to frame state pc.  Move end of stack check after
11635         MD_FALLBACK_FRAME_STATE_FOR.
11636         (uw_update_context_1): Use frame state signal_regs if set, instead
11637         of checking signal_frame flag.
11638         (uw_update_context): Use frame state signal_ra if set.
11639         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
11640         * config/xtensa/linux-unwind.h: New file.
11641
11642 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
11643
11644         * modulo-sched.c (get_sched_window): Fix comment typo.
11645
11646 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
11647
11648         PR tree-optimization/34648
11649         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
11650
11651 2008-01-17  Anatoly Sokolov <aesok@post.ru>
11652
11653         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
11654         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
11655
11656 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
11657
11658         PR rtl-optimization/34400
11659         * df-core.c (df_worklist_dataflow_overeager,
11660         df_worklist_dataflow_doublequeue): New functions.
11661         (df_worklist_dataflow): Two different worklist solvers.
11662         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
11663         New param.
11664
11665 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
11666
11667         PR testsuite/34821
11668         * doc/invoke.texi: Document the dependence on pthread for fopenmp
11669         and ftree-parallelize-loops.
11670
11671 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
11672
11673         PR rtl-optimization/34826
11674         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
11675
11676 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
11677
11678         * global.c (find_reg): Mark the eh regs as used if necessary.
11679         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
11680         * ra.h (struct allocno): no_eh_reg field added.  Changed
11681         no_stack_reg type to bitfield.
11682
11683 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
11684
11685         * tree.c (substitute_in_expr): Add missing 'break'.
11686
11687 2008-01-17  Richard Guenther  <rguenther@suse.de>
11688
11689         PR tree-optimization/34825
11690         * tree-ssa-math-opts.c (is_division_by): Do not recognize
11691         x / x as division to handle.
11692
11693 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11694
11695         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
11696         "-pthread" is specified.
11697         * pa-hpux11.h (LIB_SPEC): Likewise.
11698
11699 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
11700             Peter Bergner  <bergner@vnet.ibm.com>
11701
11702         PR rtl-optimization/33796
11703         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
11704
11705 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11706
11707         PR libgfortran/34699
11708         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
11709         static links.
11710         * pa-hpux10.h (LINK_SPEC): Likewise.
11711         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
11712
11713 2008-01-16  Richard Guenther  <rguenther@suse.de>
11714
11715         PR middle-end/32628
11716         * fold-const.c (fold_convert_const_int_from_int): Do not
11717         set overflow if that occured only because of a sign extension
11718         change when converting from/to a sizetype with the same
11719         precision and signedness.
11720
11721 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
11722
11723         PR debug/34249
11724         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
11725         location address to the correct place.  Update copyright year.
11726
11727 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
11728
11729         * lambda-code.c (lambda_transform_legal_p): Handle the case of
11730         no dependences in the dependence_relations vector.
11731
11732 2008-01-16  Jan Hubicka  <jh@suse.cz>
11733
11734         PR rtl-optimization/31396
11735         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
11736         * cfg.c (dump_reg_info): Print it.
11737         * regs.h (struct reg_info_t): add freq_calls_crossed.
11738         (REG_FREQ_CALLS_CROSSED): New macro.
11739         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
11740         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
11741         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
11742         regmove_optimize): Update call crossed frequencies.
11743         * local-alloc.c (struct qty): Add freq_calls_crossed.
11744         (alloc_qty): Copute freq_calls_crossed.
11745         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
11746         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
11747         * ra.h (struct allocno): Add freq_calls_crossed.
11748
11749 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
11750
11751         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
11752         libgomp when compiling with ftree-parallelize-loops.
11753         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
11754
11755 2008-01-16  Richard Guenther  <rguenther@suse.de>
11756
11757         PR tree-optimization/34769
11758         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
11759         * tree.c (int_cst_value): Instead make this function more
11760         permissive in what it accepts as valid input.  Document this
11761         function always sign-extends the value.
11762
11763 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
11764             Richard Guenther  <rguenther@suse.de>
11765
11766         PR c/34668
11767         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
11768         (gimple_fold_indirect_ref_rhs): ... this.
11769         (gimple_fold_indirect_ref): New function with foldings
11770         that preserve lvalueness.
11771         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
11772         * tree-flow.h (gimple_fold_indirect_ref): Declare.
11773         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
11774         to fold an INDIRECT_REF, fall back to the old use of
11775         fold_indirect_ref_1.
11776
11777 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
11778
11779         * tree-data-ref.c (subscript_dependence_tester_1): Call 
11780         free_conflict_function.
11781         (compute_self_dependence): Same.
11782
11783 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
11784
11785         PR debug/34249
11786         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
11787         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
11788         function global.
11789         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
11790         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
11791         for DWARF2_UNWIND_INFO targets.
11792
11793 2008-01-16  Richard Guenther  <rguenther@suse.de>
11794
11795         PR c/34768
11796         * c-typeck.c (common_pointer_type): Do not merge inconsistent
11797         type qualifiers for function types.
11798
11799 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
11800
11801         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
11802         loop_iterator li from previous commit.
11803
11804 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
11805
11806         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
11807
11808 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
11809
11810         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
11811         (parallelize_loops): Don't parallelize irreducible components.
11812
11813 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11814
11815         PR c++/24924
11816         * c-opts (c_common_post_options): Do not enable CPP
11817         flag_pedantic_errors by default.
11818         
11819 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
11820
11821         PR rtl-optimization/31944
11822         * cse.c (remove_pseudo_from_table): New function.
11823         (merge_equiv_classes): Use above function to remove pseudo-registers.
11824         (invalidate): Likewise.
11825
11826 2008-01-13  Richard Guenther  <rguenther@suse.de>
11827
11828         PR middle-end/34601
11829         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
11830         instead of TYPE_MODE to deal with calls from expand_one_error_var.
11831
11832 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
11833
11834         * gcse.c (cprop_jump): Call validate_unshare_change instead of
11835         validate_change to unshare the source of the PC set.
11836
11837 2008-01-12  Jan Hubicka  <jh@suse.cz>
11838
11839         PR middle-end/32135
11840         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
11841         references above array bounds.  This might trigger bounds checks for
11842         pointers to arrays.
11843
11844 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
11845
11846         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
11847         new_replaceable_dependencies.
11848
11849 2008-01-12  Doug Kwan  <dougkwan@google.com>
11850
11851         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
11852         instead of OPT_Wreturn_type in warning due to ignored return type
11853         qualifiers.
11854         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
11855         options included in -Wextra.
11856         * c.opt: New option -Wignored_qualifiers.
11857         * doc/invoke.texi (Warning Options, -Wextra): Add new option
11858         -Wignore_qualifiers.
11859         (-Wignored-qualifiers): Document.
11860         (-Wreturn-type): Remove description of functionality now handled
11861         by -Wignored-qualifiers.
11862
11863 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
11864
11865         PR ada/33788
11866         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
11867         NOP_EXPR if it is between integral types with the same precision.
11868
11869 2008-01-12  Jan Hubicka  <jh@suse.cz>
11870
11871         PR other/28023
11872         * invoke.texi (max-inline-recursive-depth): Fix default value.
11873
11874 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
11875
11876         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
11877         correct type.
11878
11879 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
11880         
11881         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
11882         
11883 2008-01-11  James E. Wilson  <wilson@specifix.com>
11884
11885         PR target/26015
11886         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
11887
11888 2008-01-11  Anatoly Sokolov <aesok@post.ru>
11889
11890         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't 
11891         save/restore frame pointer register and don't use 'call-prologues' 
11892         optimization in function with "OS_task" attribute.
11893
11894 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
11895
11896         PR middle-end/31309
11897         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
11898         when copying to memory.
11899
11900 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
11901
11902         PR rtl-optimization/30905
11903         * cfgcleanup.c: Include dce.h
11904         (crossjumps_occured): New global variable.
11905         (try_crossjump_bb): Exit loop after finding a fallthru edge.
11906         If something changed, set crossjumps_occured to true.
11907         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
11908         Don't add/remove fake edges to exit here...
11909         (cleanup_cfg): ...but do it here, when crossjumping.
11910         Run a fast DCE when successful crossjumps occured in the latest
11911         iteration of try_optimize_cfg.
11912
11913 2008-01-11  Richard Guenther  <rguenther@suse.de>
11914
11915         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
11916         (struct vn_unary_op_s): Likewise.
11917         (vn_reference_insert): Free old reference on hash collision.
11918
11919 2008-01-10  Raksit Ashok  <raksit@google.com>
11920
11921         PR rtl-optimization/27971
11922         * combine.c (find_split_point): Split PLUS expressions which are
11923         inside a MEM rtx, and whose first operand is complex.
11924
11925 2008-01-10  DJ Delorie  <dj@redhat.com>
11926
11927         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
11928         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
11929         (m32c_hard_regno_ok): Call the underlying function.
11930
11931 2008-01-10  Richard Guenther  <rguenther@suse.de>
11932
11933         PR middle-end/34683
11934         * tree-cfg.c (tree_merge_blocks): Do not go through the
11935         full-blown folding and stmt updating path if we just deal
11936         with virtual operands.
11937         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
11938         test for abnormal SSA_NAMEs.
11939
11940 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
11941
11942         PR middle-end/34641
11943         * reload.c (push_reload): Add assertions.  All constants from
11944         reg_equiv_constant should have been used for replacing the respective
11945         pseudo earlier.
11946         (find_reloads_address): Invoke find_reloads_address_part for
11947         constant taken from the reg_equiv_constant array.
11948
11949 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
11950
11951         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
11952         field (valnum) the first in the struct.  Replace bools with
11953         unit bit fields.
11954
11955 2008-01-10  Richard Guenther  <rguenther@suse.de>
11956
11957         PR tree-optimization/34651
11958         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
11959         types and ordering for masking and converting.
11960
11961 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
11962
11963         PR tree-optimization/34017
11964         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
11965         also for PHI_NODE expressions.
11966
11967 2008-01-09  Jan Hubicka  <jh@suse.cz>
11968
11969         PR tree-optimization/34708
11970         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
11971         based on number of case labels.
11972         (init_inline_once): Remove switch_cost.
11973         * tree-inline.h (eni_weights_d): Remove switch_cost.
11974
11975 2008-01-09  Richard Guenther  <rguenther@suse.de>
11976         Andrew Pinski  <andrew_pinski@playstation.sony.com>
11977
11978         PR middle-end/30132
11979         * gimplify.c (gimplify_cond_expr): Do not create an addressable
11980         temporary if an rvalue is ok or an lvalue is not required.
11981
11982 2008-01-09  Richard Guenther  <rguenther@suse.de>
11983
11984         PR middle-end/34458
11985         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
11986         adjust return type.
11987
11988 2008-01-09  Richard Guenther  <rguenther@suse.de>
11989
11990         PR middle-end/34679
11991         * tree.c (host_integerp): Check for sizetype only if the
11992         type is an integer type.
11993
11994 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
11995
11996         PR debug/26364
11997         * opts.c (decode_options): Disable inlining of functions called
11998         once if not in unit-at-a-time mode.
11999
12000 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
12001
12002         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
12003
12004 2008-01-08  Richard Guenther  <rguenther@suse.de>
12005
12006         PR middle-end/31863
12007         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
12008         out early if the result will be unused.
12009
12010 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
12011
12012         PR target/34709
12013         Revert:
12014
12015         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
12016         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
12017         for TARGET_RECIP.       
12018         
12019 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
12020         
12021         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
12022         for vectorization tuned.
12023         
12024 2008-01-08  Richard Guenther  <rguenther@suse.de>
12025
12026         PR tree-optimization/34683
12027         * tree-ssa-operands.c (operand_build_cmp): Export.
12028         * tree-ssa-operands.h (operand_build_cmp): Declare.
12029         * tree-vn.c (vuses_compare): Remove.
12030         (sort_vuses): Use operand_build_cmp.
12031         (sort_vuses_heap): Likewise.
12032         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
12033         to re-use old VEC if available.  Do not sort already sorted VUSEs.
12034         (vdefs_to_vec): Do not sort already sorted VDEFs.
12035
12036 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
12037
12038         PR middle-end/34694
12039         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
12040
12041 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
12042
12043         PR target/34702
12044         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
12045         limitations of reciprocal sequences on x86 targets.
12046
12047 2008-01-08  Richard Guenther  <rguenther@suse.de>
12048
12049         PR tree-optimization/34683
12050         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
12051
12052 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
12053
12054         PR target/34622
12055         * config/darwin.c (darwin_mergeable_string_section): Don't use
12056         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
12057
12058 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
12059
12060         PR target/34682
12061         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
12062         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
12063         predicates of op0 and op1 to register_operand.
12064         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
12065         expander using X87MODEF mode iterator.  Change predicates of
12066         op0 and op1 to register_operand.
12067         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
12068         corresponding patterns and macroize using MODEF macro.  Change
12069         predicates of op0 and op1 to register_operand and remove
12070         "m" constraint. Disparage "r" alternative with "!".
12071         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
12072         macroize using X87MODEF macro.  Change predicates of op0 and op1
12073         to register_operand and remove "m" constraint.  Disparage "r"
12074         alternative with "!".
12075         (absneg splitter with memory operands): Remove.
12076         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
12077         patterns and macroize using X87MODEF mode iterator.
12078         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
12079         Change predicate of op1 to register_operand.
12080         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
12081         for memory operands.
12082
12083 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
12084
12085         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
12086
12087 2008-01-07  Richard Guenther  <rguenther@suse.de>
12088
12089         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
12090         fields.
12091
12092 2008-01-07  Richard Guenther  <rguenther@suse.de>
12093
12094         PR tree-optimization/34683
12095         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
12096         VOPs of the needed size to save memory.  Use VEC_quick_push
12097         to save compile-time.
12098         (vdefs_to_vec): Likewise.
12099
12100 2008-01-07  Sa Liu  <saliu@de.ibm.com>
12101
12102         * config/spu/spu.md (divdf3): Genetate inline code for double
12103         division.  The implementation doesn't handle INF or NAN, therefore it
12104         only applies when -ffinite-math-only is given.
12105
12106 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
12107
12108         PR libstdc++/34680
12109         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
12110         * doc/cpp.texi ([Common Predefined Macros]): Document.
12111
12112 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
12113
12114         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
12115         order to use commutative addition instead of subtraction.
12116
12117 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12118             Mircea Namolaru  <namolaru@il.ibm.com>
12119             Vladimir Yanovsky  <yanov@il.ibm.com>
12120             Revital Eres  <eres@il.ibm.com>
12121
12122         PR tree-optimization/34263
12123         * tree-outof-ssa.c (process_single_block_loop_latch,
12124         contains_tree_r): New functions.
12125         (analyze_edges_for_bb): Call process_single_block_loop_latch
12126         function to empty single-basic-block latch block if possible.
12127
12128 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
12129
12130         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
12131         for TARGET_RECIP.
12132         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
12133
12134 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
12135
12136         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
12137
12138 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
12139
12140         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
12141
12142 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
12143
12144         PR tree-optimization/34618
12145         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
12146         flag from T.
12147
12148 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
12149
12150         PR target/34673
12151         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
12152         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
12153         Update copyright year.
12154
12155         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
12156         Update copyright year.
12157         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
12158         using NR fixup.
12159
12160 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
12161
12162         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
12163         edge does not point to current bb before changing need_assert.
12164
12165 2008-01-04  Richard Guenther  <rguenther@suse.de>
12166
12167         PR middle-end/34029
12168         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
12169         for verifying purposes if they are is_gimple_min_invariant.
12170
12171 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
12172
12173         PR tree-optimization/34448
12174         PR tree-optimization/34465
12175         * gimplify.c (gimplify_init_constructor): Add new parameter
12176         notify_temp_creation.  Use it.
12177         (gimplify_modify_expr_rhs): Take volatiles into account when
12178         optimizing constructors.
12179         Do not optimize constructors if gimplify_init_constructor will dump to
12180         memory.
12181         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
12182         * gcc.c-torture/compile/pr34448.c: New.
12183
12184 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
12185
12186         PR gcov-profile/34609
12187         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
12188         return_slot if result is TREE_ADDRESSABLE.
12189
12190 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
12191
12192         * config/mips/mips.md (sqrt_condition): Tweak comment.
12193         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
12194
12195 2008-01-03  Tom Tromey  <tromey@redhat.com>
12196
12197         PR c/34457
12198         * c-common.c (c_type_hash): Handle VLAs.
12199
12200 2008-01-03  Jan Hubicka  <jh@suse.cz>
12201
12202         PR tree-optimization/31081
12203         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
12204         0 when inlining and not inlining to first basic block.
12205         (remap_decl): When var is initialized to 0, don't set default_def.
12206         (expand_call_inline): Set entry_bb.
12207         * tree-inline.h (copy_body_data): Add entry_bb.
12208
12209 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
12210
12211         PR c++/34619
12212         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
12213         before returning.
12214
12215         PR tree-optimization/29484
12216         * tree-inline.c (inline_forbidden_p_2): New function.
12217         (inline_forbidden_p): Disallow inlining if some static var
12218         has an address of a local LABEL_DECL in its initializer.
12219         * doc/extend.texi (Labels as Values): Document &&foo behaviour
12220         vs. inlining.
12221
12222 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
12223
12224         PR tree-optimization/34635
12225         * tree-data-ref.c (add_other_self_distances): Make sure that the
12226         evolution step is constant.
12227
12228 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
12229
12230         PR middle-end/34608
12231         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
12232
12233 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
12234
12235         * tree-sra.c (scalarize_init): Insert the generate_element_init
12236         statements after the generate_element_zero statements.
12237
12238 2008-01-02  Richard Guenther  <rguenther@suse.de>
12239
12240         PR middle-end/34093
12241         PR middle-end/31976
12242         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
12243         for very large number of operands instead of ICEing.
12244
12245 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
12246
12247         PR target/34013
12248         * config/i386/i386.c (ix86_expand_prologue): Save red-zone
12249         while stack probing.
12250
12251 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
12252
12253         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
12254         in C++0x mode.
12255
12256 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
12257
12258         PR libmudflap/26442
12259         * tree-mudflap.c (mx_register_decls): Guard warning by
12260         !DECL_ARTIFICIAL check.
12261
12262 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
12263
12264         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
12265         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
12266         sse5_perm<mode>): Fix constraints.