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[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2008-06-15  Mark Shinwell  <shinwell@codesourcery.com>
2             Nathan Sidwell  <nathan@codesourcery.com>
3             Maxim Kuvyrkov  <maxim@codesourcery.com>
4             Richard Sandiford  <rdsandiford@googlemail.com>
5         
6         * config/mips/mips-modes.def: Add V8QI, V4HI and V2SI modes.
7         * config/mips/mips-protos.h (mips_expand_vector_init): New.
8         * config/mips/mips-ftypes.def: Add function types for Loongson-2E/2F
9         builtins.
10         * config/mips/mips.c (mips_split_doubleword_move): Handle new modes.
11         (mips_hard_regno_mode_ok_p): Allow 64-bit vector modes for Loongson.
12         (mips_vector_mode_supported_p): Add V2SImode, V4HImode and
13         V8QImode cases.
14         (LOONGSON_BUILTIN, LOONGSON_BUILTIN_ALIAS): New.
15         (CODE_FOR_loongson_packsswh, CODE_FOR_loongson_packsshb,
16         (CODE_FOR_loongson_packushb, CODE_FOR_loongson_paddw,
17         (CODE_FOR_loongson_paddh, CODE_FOR_loongson_paddb,
18         (CODE_FOR_loongson_paddsh, CODE_FOR_loongson_paddsb)
19         (CODE_FOR_loongson_paddush, CODE_FOR_loongson_paddusb)
20         (CODE_FOR_loongson_pmaxsh, CODE_FOR_loongson_pmaxub)
21         (CODE_FOR_loongson_pminsh, CODE_FOR_loongson_pminub)
22         (CODE_FOR_loongson_pmulhuh, CODE_FOR_loongson_pmulhh)
23         (CODE_FOR_loongson_biadd, CODE_FOR_loongson_psubw)
24         (CODE_FOR_loongson_psubh, CODE_FOR_loongson_psubb)
25         (CODE_FOR_loongson_psubsh, CODE_FOR_loongson_psubsb)
26         (CODE_FOR_loongson_psubush, CODE_FOR_loongson_psubusb)
27         (CODE_FOR_loongson_punpckhbh, CODE_FOR_loongson_punpckhhw)
28         (CODE_FOR_loongson_punpckhwd, CODE_FOR_loongson_punpcklbh)
29         (CODE_FOR_loongson_punpcklhw, CODE_FOR_loongson_punpcklwd): New.
30         (mips_builtins): Add Loongson builtins.
31         (mips_loongson_2ef_bdesc): New.
32         (mips_bdesc_arrays): Add mips_loongson_2ef_bdesc.
33         (mips_builtin_vector_type): Handle unsigned versions of vector modes.
34         (MIPS_ATYPE_UQI, MIPS_ATYPE_UDI, MIPS_ATYPE_V2SI, MIPS_ATYPE_UV2SI)
35         (MIPS_ATYPE_V4HI, MIPS_ATYPE_UV4HI, MIPS_ATYPE_V8QI, MIPS_ATYPE_UV8QI):
36         New.
37         (mips_expand_vector_init): New.
38         * config/mips/mips.h (HAVE_LOONGSON_VECTOR_MODES): New.
39         (TARGET_CPU_CPP_BUILTINS): Define __mips_loongson_vector_rev
40         if appropriate.
41         * config/mips/mips.md: Add unspec numbers for Loongson
42         builtins.  Include loongson.md.
43         (MOVE64): Include Loongson vector modes.
44         (SPLITF): Include Loongson vector modes.
45         (HALFMODE): Handle Loongson vector modes.
46         * config/mips/loongson.md: New.
47         * config/mips/loongson.h: New.
48         * config.gcc: Add loongson.h header for mips*-*-* targets.
49         * doc/extend.texi (MIPS Loongson Built-in Functions): New.
50
51 2008-06-14  Joseph Myers  <joseph@codesourcery.com>
52
53         * config.gcc (arc-*-elf*, avr-*-*, fr30-*-elf, frv-*-elf,
54         h8300-*-elf*, h8300-*-*, i[34567]86-*-elf*, x86_64-*-elf*,
55         i[34567]86-*-aout*, i[34567]86-*-coff*, ia64*-*-elf*,
56         iq2000*-*-elf*, m32r-*-elf*, m32rle-*-elf*, m32r-*-linux*,
57         m32rle-*-linux*, m68hc11-*-*|m6811-*-*, m68hc12-*-*|m6812-*-*,
58         m68k-*-coff*, mcore-*-elf, mcore-*-pe*, mipsisa64sr71k-*-elf*,
59         mipsisa64sb1-*-elf* | mipsisa64sb1el-*-elf*, mips-*-elf* |
60         mipsel-*-elf*, mips64-*-elf* | mips64el-*-elf*, mips64vr-*-elf* |
61         mips64vrel-*-elf*, mips64orion-*-elf* | mips64orionel-*-elf*,
62         mipstx39-*-elf* | mipstx39el-*-elf*, mn10300-*-*, pdp11-*-,
63         powerpc-*-elf*, powerpcle-*-elf*, sh-*-elf* | sh[12346l]*-*-elf* |
64         sh-*-symbianelf* | sh[12346l]*-*-symbianelf* | sh-*-linux* |
65         sh[2346lbe]*-*-linux* | sh-*-netbsdelf* | shl*-*-netbsdelf* |
66         sh5-*-netbsd* | sh5l*-*-netbsd* | sh64-*-netbsd* |
67         sh64l*-*-netbsd*, sh-*-*, sparc-*-elf*, sparc64-*-elf*,
68         v850e1-*-*, v850e-*-*, v850-*-*, xstormy16-*-elf, m32c-*-elf*):
69         Remove use_fixproto=yes.
70         (ia64*-*-hpux*): Remove comment about using fixproto.
71         (m68k-*-uclinuxoldabi*, m68k-*-uclinux*): Remove use_fixproto=no.
72
73 2008-06-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
74
75         * configure.ac: Update gthr-default.h lazily, to avoid unneeded
76         library rebuilds.
77         * configure: Regenerate.
78
79 2008-06-13  Eric Botcazou  <ebotcazou@adacore.com>
80
81         PR middle-end/36520
82         * builtins.c (get_memory_rtx): Test for the presence of DECL_SIZE_UNIT
83         before evaluating it.
84
85 2008-06-13  Jakub Jelinek  <jakub@redhat.com>
86
87         PR c/36507
88         * c-decl.c (merge_decls): Don't clear DECL_EXTERNAL for
89         nested inline functions.
90         (start_decl, start_function): Don't invert DECL_EXTERNAL
91         for nested inline functions.
92
93 2008-06-13  Richard Sandiford  <rdsandiford@googlemail.com>
94
95         * config/mips/mips.md: Remove TARGET_DEBUG_D_MODE conditions from
96         splits that must be made for correctness.
97
98 2008-06-13  Richard Sandiford  <rdsandiford@googlemail.com>
99
100         * config/mips/mips.c (BUILTIN_AVAIL_NON_MIPS16): New macro.
101         (AVAIL_NON_MIPS16): Likewise.
102         (mips_builtin_description): Replace target_flags with a predicate.
103         (paired_single, sb1_paired_single, mips3d, dsp, dspr2, dsp_32)
104         (dspr2_32): New availability predicates.
105         (MIPS_BUILTIN): New macro.
106         (DIRECT_BUILTIN, CMP_SCALAR_BUILTINS, CMP_PS_BUILTINS)
107         (CMP_4S_BUILTINS, MOVTF_BUILTINS, CMP_BUILTINS)
108         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): Use it.
109         Replace the TARGET_FLAGS parameters with AVAIL parameters.
110         (mips_ps_bdesc, mips_sb1_bdesc, mips_dsp_bdesc)
111         (mips_dsp_32only_bdesc): Merge into...
112         (mips_builtins): ...this new array.
113         (mips_bdesc_map, mips_bdesc_arrays): Delete.
114         (mips_init_builtins): Update after above changes.
115         (mips_expand_builtin_1): Merge into...
116         (mips_expand_builtin): ...here and update after above changes.
117
118 2008-06-12  Paul Brook  <paul@codesourcery.com>
119
120         * longlong.h (__arm__): Define count_leading_zeros.
121         * config/arm/lib1funcs.asm (xxh, xxl, yyh, yyl): Define.
122         (clzsi2, clzdi2): New functions.
123         * config/arm/bpabi-v6m.S (xxh, xxl, yyh, yyl): Remove.
124         * config/arm/bpabi.S (xxh, xxl, yyh, yyl): Remove.
125         * config/arm/t-strongarm-elf (LIB1ASMFUNCS): Ditto.
126         * config/arm/t-vxworks (LIB1ASMFUNCS): Ditto.
127         * config/arm/t-pe (LIB1ASMFUNCS): Ditto.
128         * config/arm/t-arm-elf (LIB1ASMFUNCS): Ditto.
129         * config/arm/t-arm-coff (LIB1ASMFUNCS): Ditto.
130         * config/arm/t-linux (LIB1ASMFUNCS): Ditto.
131         * config/arm/t-symbian (LIB1ASMFUNCS): Ditto.
132         * config/arm/t-wince-pe (LIB1ASMFUNCS): Ditto.
133
134 2008-06-12  Kazu Hirata  <kazu@codesourcery.com>
135
136         * config/m68k/m68k.c (m68k_tune_flags): New.
137         (override_options): Compute m68k_tune_flags.
138         (MULL_COST, MULW_COST): Update for various variants of CFV2.
139         * config/m68k/m68k.h (TUNE_MAC, TUNE_EMAC): New.
140
141 2008-06-12  Jakub Jelinek  <jakub@redhat.com>
142
143         PR middle-end/36506
144         * omp-low.c (expand_omp_sections): Initialize l2 to avoid bogus
145         warning.
146
147 2008-06-12  Eric Botcazou  <ebotcazou@adacore.com>
148
149         * tree-inline.c (copy_body_r): Copy TREE_SIDE_EFFECTS along with
150         TREE_THIS_VOLATILE on INDIRECT_REF nodes.
151
152 2008-06-12  Eric Botcazou  <ebotcazou@adacore.com>
153
154         * expr.c (store_field): Do a block copy from BLKmode to BLKmode-like.
155         (get_inner_reference): Use BLKmode for byte-aligned BLKmode bitfields.
156
157 2008-06-12  Jakub Jelinek  <jakub@redhat.com>
158
159         PR middle-end/36506
160         * omp-low.c (expand_omp_sections): Handle #pragma omp sections with
161         reductions.
162
163 2008-06-12  Richard Guenther  <rguenther@suse.de>
164
165         PR tree-optimization/36345
166         * tree-flow.h (struct ptr_info_def): Align escape_mask,
167         add memory_tag_needed flag.
168         (may_alias_p): Declare.
169         * tree-ssa-alias.c (may_alias_p): Export.
170         (set_initial_properties): Use memory_tag_needed flag.
171         (update_reference_counts): Likewise.
172         (reset_alias_info): Reset memory_tag_needed flag.
173         (create_name_tags): Check memory_tag_needed flag.
174         (dump_points_to_info_for): Dump it.
175         * tree-ssa-structalias.c (struct variable_info): Remove
176         directly_dereferenced flag.
177         (new_var_info): Do not initialize it.
178         (process_constraint_1): Do not set it.
179         (update_alias_info): Set is_dereferenced flag.
180         (set_uids_in_ptset): Use may_alias_p.
181         (set_used_smts): Check memory_tag_needed flag.
182         (find_what_p_points_to): Likewise.  Pass is_dereferenced flag.
183         * tree-ssa-alias.c (verify_flow_sensitive_alias_info): Check
184         memory_tag_needed flag.
185         * tree-ssa-alias-warnings.c (dsa_named_for): Try to recover
186         from broken design.
187
188 2008-06-12  Kai Tietz  <kai.tietz@onevision.com>
189
190         * config/i386/i386.c (ix86_compute_frame_layout): Disable red zone for
191         w64 abi.
192         (ix86_expand_prologue): Likewise.
193         (ix86_force_to_memory): Likewise.
194         (ix86_free_from_memory): Likewise.
195
196 2008-06-11  Edmar Wienskoski  <edmar@freescale.com>
197
198         PR target/36425
199         * config/rs6000/rs6000.c (rs6000_override_options): Set
200         rs6000_isel conditionally to the absence of comand line
201         override.
202         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
203         Remove duplicate rs6000_isel setting.
204         * config/rs6000/eabispe.h: Ditto.
205
206 2008-06-11  Richard Guenther  <rguenther@suse.de>
207
208         * alias.c (get_alias_set): Use the element alias-set for arrays.
209         (record_component_aliases): For arrays and vectors do nothing.
210         * c-common.c (strict_aliasing_warning): Handle the cases
211         of alias set zero explicitly.
212         * Makefile.in (dfp.o-warn): Add -Wno-error.
213
214 2008-06-11  Joseph Myers  <joseph@codesourcery.com>
215
216         * config.gcc (all_defaults): Add arch_32 arch_64 cpu_32 cpu_64
217         tune_32 tune_64.
218         (i[34567]86-*-* | x86_64-*-*): Add arch_32 arch_64 cpu_32 cpu_64
219         tune_32 tune_64 to supported_defaults.  Allow values not
220         supporting 64-bit mode for arch_32, cpu_32 and tune_32 for
221         x86_64.  Do not override cpu_32 or cpu_64 values from target name.
222         (i[34567]86-*-linux*, i[34567]86-*-solaris2.1[0-9]*): Only default
223         with_cpu_64 to generic for 64-bit-supporting configurations, not
224         with_cpu.  Remove FIXMEs.
225         * doc/install.texi (--with-cpu-32, --with-cpu-64, --with-arch-32,
226         --with-arch-64, --with-tune-32, --with-tune-64): Document.
227         * config/i386/i386.h (OPT_ARCH32, OPT_ARCH64): Define.
228         (OPTION_DEFAULT_SPECS): Add tune_32, tune_64, cpu_32, cpu_64,
229         arch_32 and arch_64.
230
231 2008-06-11  Eric Botcazou  <ebotcazou@adacore.com>
232             Olivier Hainque  <hainque@adacore.com>
233
234         * builtins.c (get_memory_rtx): Accept byte-addressable bitfields.
235         Use DECL_SIZE_UNIT to retrieve the size of the field.
236
237 2008-06-11  Joseph Myers  <joseph@codesourcery.com>
238
239         * config/arm/arm.c (arm_init_neon_builtins): Move initialization
240         with function calls after declarations.  Lay out
241         neon_float_type_node before further use.
242
243 2008-06-11  Richard Guenther  <rguenther@suse.de>
244
245         * tree-flow.h (may_point_to_global_var): Declare.
246         * tree-ssa-alias.c (may_point_to_global_var): New function.
247         * tree-ssa-sink.c (is_hidden_global_store): Use it.
248
249 2008-06-10  Kazu Hirata  <kazu@codesourcery.com>
250
251         * configure.ac: Teach that fido supports .debug_line.
252         * configure: Regenerate.
253
254 2008-06-10  Tom Tromey  <tromey@redhat.com>
255
256         * c-lex.c (fe_file_change): Pass SOURCE_LINE to start_source_file
257         debug hook.
258
259 2008-06-10  Joseph Myers  <joseph@codesourcery.com>
260
261         * dfp.c (WORDS_BIGENDIAN): Define to 0 if not defined.
262         (encode_decimal64, decode_decimal64, encode_decimal128,
263         decode_decimal128): Reverse order of 32-bit parts of value if host
264         and target endianness differ.
265
266 2008-06-10  Vinodha Ramasamy  <vinodha@google.com>
267         * value_prob.c (tree_divmod_fixed_value_transform): Use gcov_type.
268         Avoid division by 0.
269         (tree_mod_pow2_value_transform): Likewise.
270         (tree_ic_transform): Likewise.
271         (tree_stringops_transform): Likewise.
272         (tree_mod_subtract_transform): Likewise.
273         * tree-inline-c (copy_bb): Corrected int type to gcov_type.
274         (copy_edges_for_bb): Likewise.
275         (initialize_cfun): Likewise.
276
277 2008-06-10  Uros Bizjak  <ubizjak@gmail.com>
278
279         * config/i386/i386.md (*btdi_rex64): Change operand 1 predicate to
280         nonmemory_operand. Add "N" operand constraint.
281         (*btsi): Ditto.
282         (*jcc_btdi_mask_rex64): New instruction and split pattern.
283         (*jcc_btsi_mask): Ditto.
284         (*jcc_btsi_mask_1): Ditto.
285
286 2008-06-10  Joseph Myers  <joseph@codesourcery.com>
287
288         * config/rs6000/rs6000.c (build_opaque_vector_type): Set
289         TYPE_CANONICAL for copied element type.
290
291 2008-06-10  Uros Bizjak  <ubizjak@gmail.com>
292
293         PR target/36473
294         * config/i386/i386.c (ix86_tune_features) [TUNE_USE_BT]:
295         Add m_CORE2 and m_GENERIC.
296         * config/i386/predicates.md (bt_comparison_operator): New predicate.
297         * config/i386/i386.md (*btdi_rex64): New instruction pattern.
298         (*btsi): Ditto.
299         (*jcc_btdi_rex64): New instruction and split pattern.
300         (*jcc_btsi): Ditto.
301         (*jcc_btsi_1): Ditto.
302         (*btsq): Fix Intel asm dialect operand order.
303         (*btrq): Ditto.
304         (*btcq): Ditto.
305
306 2008-06-09  Andy Hutchinson  <hutchinsonandy@aim.com>
307
308         PR middle-end/36447
309         * simplify-rtx.c (simplify_subreg): Add check for shift count 
310         greater than size.
311
312 2008-06-09  Richard Sandiford  <rdsandiford@googlemail.com>
313
314         * doc/md.texi: Synchronize with later constraints.md change.
315         * longlong.h (umul_ppmm): Replace the MIPS asm implementation
316         with a C implementation.
317         * config/mips/mips.c (mips_legitimize_move): Remove MFHI and
318         MFLO handling.
319         (mips_subword): Assume TImode for CONST_INTs if TARGET_64BIT.
320         (mips_split_doubleword_move): Use special MTHI and MFHI instructions
321         when moving to and from MD_REGNUM.
322         (mips_output_move): Don't handle moves from GPRs to HI_REGNUM.
323         Handle moves from LO_REGNUM to GPRs using MFLO, MACC or DMACC.
324         Handle byte and halfword moves.
325         (mips_hard_regno_mode_ok_p): Handle MD_REGS and DSP_ACC_REGS
326         separately.
327         * config/mips/constraints.md (h): Turn into NO_REGS.
328         (l, x): Update documentation.
329         * config/mips/mips.md (UNSPEC_MFHILO): Delete.
330         (UNSPEC_MFHI, UNSPEC_MTHI, UNSPEC_SET_HILO): New.
331         (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): Renumber.
332         (HILO): New mode iterator.
333         (MOVE128): Add TI.
334         (any_div): New code iterator.
335         (u): Extend code attribute to div and udiv.
336         (*add<mode>3_mips16, *movdi_64bit_mips16, *movsi_mips16): Use
337         d_operand in the splitters.  Remove redundant CONST_INT checks.
338         (mulsi3_mult3, mul<mode>3_internal, mul<mode>3_r4000, *mul_acc_si)
339         (*macc, *msac, *msac_using_macc, *macc2, *msac2, *mul_sub_si)
340         (*muls): Remove "=h" clobbers.  Adjust peephole2s and define_splits
341         accordingly, using normal moves instead of unspecs to move LO into
342         a GPR.  Use d_operand and lo_operand instead of *_REG_P checks.
343         (<u>mulsidi3): Handle expansion in C code.
344         (<u>mulsidi3_32bit_internal): Rename to...
345         (<u>mulsidi3_32bit): ...this.
346         (<u>mulsidi3_32bit_r4000): Fix insn separator.
347         (*<u>mulsidi3_64bit): Rename to...
348         (<u>mulsidi3_64bit): ...this.  Combine DImode "=h" and "=l" clobbers
349         into a TImode "=x" clobber.  In the split, use an UNSPEC_SET_HILO
350         to set LO and HI to the multiplication result.  Use a normal move
351         for MFLO and an unspec for MFHI.
352         (*<u>mulsidi3_64bit_parts): Replace with...
353         (<u>mulsidi3_64bit_hilo): ...this new instruction.
354         (<su>mulsi3_highpart): Extend to TARGET_FIX_R4000.
355         (<su>mulsi3_highpart_internal): Turn into a define_insn_and_split
356         and extend it to TARGET_FIX_R4000.  Store the destination in a GPR
357         instead of HI.  Split the instruction into a separate multiplication
358         and MFHI if !TARGET_FIX_R4000.
359         (<su>muldi3_highpart): Likewise.
360         (<su>mulsi3_highpart_mulhi_internal): Remove the first alternative
361         and the "=h" clobber.
362         (*<su>mulsi3_highpart_neg_mulhi_internal): Likewise.
363         (<u>mulditi3): New expander.
364         (<u>mulditi3_internal, <u>mulditi3_r4000): New patterns.
365         (madsi): Remove "=h" clobber.
366         (divmod<mode>4, udivmod<mode>4): Turn into define_insn_and_splits.
367         Force the modulus result to be a GPR and split the instruction into
368         a division followed by an MFHI after reload.
369         (<u>divmod<GPR:mode>4_hilo_<HILO:mode>): New instruction.
370         (*lea_high64): Use d_operand in the define_peephole2.  Likewise
371         the MIPS16 HIGH define_split.
372         (*movdi_32bit, *movdi_gp32_fp64, *movdi_32bit_mips16): Change type
373         of acc<->gpr moves to "multi".
374         (*movdi_64bit): Replace the single "x" alternative with
375         alternatives for moving into and out of "a".
376         (*movhi_internal, *movqi_internal): Likewise.  Use mips_output_move.
377         (*movsi_internal): Extend the "d<-A" alternative to "d<-a".
378         (*movdi_64bit_mips16, *movsi_mips16): Add d<-a alternatives.
379         Use d_operand in the splitters.  Remove redundant CONST_INT checks.
380         (*movhi_mips16, *movqi_mips16): Likewise.  Use mips_output_move.
381         (movti): New expander.
382         (*movti, *movti_mips16): New insns.
383         (mfhilo_<mode>, *mfhilo_<mode>, *mfhilo_<mode>_macc): Delete.
384         (mfhi<GPR:mode>_<HILO:mode>): New pattern.
385         (mthi<GPR:mode>_<HILO:mode>): Likewise.
386         * config/mips/predicates.md (fpr_operand): Delete.
387         (d_operand): New predicate.
388
389 2008-06-09  Michael Meissner  <michael.meissner@amd.com>
390
391         * config.gcc (i[34567]86-*-*): Put test in quotes to prevent
392         failure on some Bourne shells.
393         (x86_64-*-*): Ditto.
394
395 2008-06-09  Kai Tietz  <kai.tietz@onevision.com>
396
397         * config/i386/cygming.h (TARGET_SUBTARGET64_DEFAULT): New.
398
399 2008-06-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
400
401         * doc/install.texi (*-*-solaris2*): Remove obsolete contents.
402         (sparc-sun-solaris2*): Likewise.
403
404 2008-06-09  Arnaud Charlet  <charlet@adacore.com
405
406         * doc/install.texi: Update requirements to build the Ada compiler.
407
408 2008-06-08  Steven Bosscher  <stevenb.gcc@gmail.com>
409
410         * df-scan.c (struct df_scan_problem_data): Remove the
411         mw_link_pool alloc pool.
412         (df_scan_free_internal): Don't free it.
413         (df_scan_alloc): Don't allocate it.
414         * df.h (struct df_link): Update comment.
415
416 2008-06-08  Nathan Sidwell  <nathan@codesourcery.com>
417
418         * except.h: Correct checks for when SJLJ exceptions must be used.
419
420 2008-06-08  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
421
422         * doc/invoke.texi (Wenum-compare): Mention that it is enabled by
423         default.
424         
425 2008-06-08  Joseph Myers  <joseph@codesourcery.com>
426
427         PR tree-optimization/36218
428         * configure.ac: Use LDFLAGS="${LDFLAGS_FOR_BUILD}" when running
429         configure for the build system.
430         (BUILD_LDFLAGS): Define.
431         * configure: Regenerate.
432         * Makefile.in (BUILD_LDFLAGS): Define to @BUILD_LDFLAGS@.
433
434 2008-07-08  Anatoly Sokolov  <aesok@post.ru>
435
436         PR target/36424
437         * config/avr/avr.h (HARD_REGNO_RENAME_OK): Define.
438         * config/avr/avr.c (avr_hard_regno_rename_ok): New function. 
439         * config/avr/avr-protos.h (avr_hard_regno_rename_ok): New prototype. 
440
441 2008-06-07  Danny Smith  <dannysmith@users.sourceforge.net>
442
443         * config/i386/cygming.h (MAYBE_UWIN_CPP_BUILTINS): Remove.
444
445 2008-06-07  Joseph Myers  <joseph@codesourcery.com>
446
447         * config.gcc (Obsolete configurations): Remove list of
448         configurations.
449         (Unsupported targets list): Add *-*-linux*aout*, *-*-linux*libc1*,
450         *-*-solaris2.[0-6], *-*-solaris2.[0-6].*, *-*-sysv*.  Remove other
451         targets matched by those patterns.
452         (strongarm*-*-*, ep9312*-*-*, xscale-*-*, parisc*-*-*,
453         m680[012]0-*-*, *-*-linux*libc1*, *-*-linux*aout*,
454         alpha*-*-unicosmk*, strongarm*-*-freebsd*, ep9312-*-elf,
455         arm*-*-kaos*, cris-*-aout, parisc*64*-*-linux*, parisc*-*-linux*,
456         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
457         i[34567]86-sequent-ptx4*, i[34567]86-sequent-sysv4*,
458         i[34567]86-*-beoself*, i[34567]86-*-beos*, i[34567]86-*-sco3.2v5*,
459         i[34567]86-*-sysv5*, i[34567]86-*-sysv4*, i[34567]86-*-uwin*,
460         i[34567]86-*-kaos*, m68020-*-elf*, m68010-*-netbsdelf*,
461         mips-wrs-windiss, mt-*-elf, powerpc-*-beos*, powerpc-*-chorusos*,
462         powerpc-wrs-windiss*, powerpcle-*-sysv*, powerpc-*-kaos*,
463         powerpcle-*-kaos*, sh*-*-kaos*, sparc-*-sysv4*, strongarm-*-elf*,
464         strongarm-*-pe, strongarm-*-kaos*, vax-*-bsd*, vax-*-sysv*,
465         vax-*-ultrix*, xscale-*-elf, xscale-*-coff,
466         i[34567]86-*-linux*aout*, i[34567]86-*-linux*libc1): Remove.
467         Make code for Solaris 7 and greater unconditional for Solaris.
468         (ep9312-*-*, parisc1*, m680[012]0-*-*, parisc*-*-*, mt-*-*):
469         Remove --with-* handling.
470         * config/rs6000/sysv4.h (-mwindiss): Remove from all specs.
471         (LIB_WINDISS_SPEC, CPP_OS_WINDISS_SPEC, STARTFILE_WINDISS_SPEC,
472         ENDFILE_WINDISS_SPEC, LINK_START_WINDISS_SPEC,
473         LINK_OS_WINDISS_SPEC): Remove.
474         * config/rs6000/sysv4.opt (mwindiss): Remove.
475         * configure.ac (strongarm*-*-*, xscale*-*-*): Remove.
476         * configure: Regenerate.
477         * doc/cpp.texi: Don't mention BeOS.
478         * doc/extend.texi (interrupt): Don't mention MS1.
479         * doc/install.texi: (i386-@var{any}-sysv, m68k-bull-sysv,
480         m68k-hp-hpux, m68000-hp-hpux, m68000-att-sysv,
481         alphaev5-cray-unicosmk*, xscale-*-*, i?86-*-linux*aout,
482         i?86-*-sco3.2v5*, i?86-*-udk, m68k-hp-hpux, powerpc-*-sysv4,
483         powerpc-*-sysv4, powerpcle-*-sysv4, *-*-sysv*, vax-dec-ultrix):
484         Remove.
485         * doc/invoke.texi (MT Options): Remove.
486         (-mwindiss): Remove.
487         (CRIS Options): Remove cris-axis-aout references.
488         (HPPA Options): Don't mention hppa1.1-*-pro.
489         * doc/md.texi: (MorphoTech family): Remove.
490         * libgcc2.c: Don't handle UWIN.
491         * config/alpha/t-unicosmk: Remove.
492         * config/alpha/unicosmk.h: Remove.
493         * config/arm/kaos-arm.h: Remove.
494         * config/arm/kaos-strongarm.h: Remove.
495         * config/arm/strongarm-coff.h: Remove.
496         * config/arm/strongarm-elf.h: Remove.
497         * config/arm/strongarm-pe.h: Remove.
498         * config/arm/t-strongarm-pe: Remove.
499         * config/arm/t-xscale-coff: Remove.
500         * config/arm/t-xscale-elf: Remove.
501         * config/arm/xscale-coff.h: Remove.
502         * config/arm/xscale-elf.h: Remove.
503         * config/chorus.h: Remove.
504         * config/cris/aout.h: Remove.
505         * config/cris/aout.opt: Remove.
506         * config/cris/t-aout: Remove.
507         * config/i386/beos-elf.h: Remove.
508         * config/i386/kaos-i386.h: Remove.
509         * config/i386/ptx4-i.h: Remove.
510         * config/i386/sco5.h: Remove.
511         * config/i386/sco5.opt: Remove.
512         * config/i386/sysv4-cpp.h: Remove.
513         * config/i386/sysv5.h: Remove.
514         * config/i386/t-beos: Remove.
515         * config/i386/t-sco5: Remove.
516         * config/i386/t-uwin: Remove.
517         * config/i386/uwin.asm: Remove.
518         * config/i386/uwin.h: Remove.
519         * config/kaos.h: Remove.
520         * config/mips/windiss.h: Remove.
521         * config/mt: Remove directory.
522         * config/pa/pa-osf.h: Remove.
523         * config/pa/pa-pro-end.h: Remove.
524         * config/pa/t-pro: Remove.
525         * config/ptx4.h: Remove.
526         * config/rs6000/beos.h: Remove.
527         * config/rs6000/kaos-ppc.h: Remove.
528         * config/rs6000/t-beos: Remove.
529         * config/rs6000/windiss.h: Remove.
530         * config/sh/kaos-sh.h: Remove.
531         * config/sol2-6.h: Remove.
532         * config/sparc/sol26-sld.h: Remove.
533         * config/sparc/sysv4-only.h: Remove.
534         * config/vax/bsd.h: Remove.
535         * config/vax/t-memfuncs: Remove.
536         * config/vax/ultrix.h: Remove.
537         * config/vax/vaxv.h: Remove.
538         * config/windiss.h: Remove.
539
540 2008-06-06 Uros Bizjak <ubizjak@gmail.com>
541
542         PR rtl-optimization/36438
543         * cse.c (fold_rtx) [ASHIFT, LSHIFTRT, ASHIFTRT]: Break out early
544         for vector shifts with constant scalar shift operands.
545
546 2008-06-06  Sandip Matte  <sandip@rmicorp.com>
547
548         * doc/invoke.texi: Document -march=xlr.
549         * config/mips/xlr.md: New file.
550         * config/mips/mips.md: Include it.
551         (cpu): Add "xlr".
552         * config/mips/mips.h (PROCESSOR_XLR): New processor_type.
553         * config/mips/mips.c (mips_cpu_info_table): Add an XLR entry.
554         (mips_rtx_cost_data): Likewise.
555
556 2008-06-06  Nathan Froyd  <froydnj@codesourcery.com>
557
558         * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Remove
559         PRE_INC and PRE_DEC cases.
560
561 2008-06-06  Jakub Jelinek  <jakub@redhat.com>
562
563         PR rtl-optimization/36419
564         * except.c (expand_resx_expr): Call do_pending_stack_adjust () before
565         the emitting jump insn.
566
567         PR target/36362
568         * gimplify.c (gimplify_expr) <case TRUTH_NOT_EXPR>: If *expr_p type
569         is not bool, boolify the whole *expr_p and convert to the desired type.
570
571 2008-06-06  Jakub Jelinek  <jakub@redhat.com>
572
573         * c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805.
574         * langhooks.h (struct lang_hooks_for_decls): Add omp_finish_clause.
575         Add omp_private_outer_ref hook, add another argument to
576         omp_clause_default_ctor hook.
577         * langhooks-def.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define.
578         (LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define.
579         (LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR): Change to
580         hook_tree_tree_tree_tree_null.
581         (LANG_HOOKS_DECLS): Add LANG_HOOKS_OMP_FINISH_CLAUSE and
582         LANG_HOOKS_OMP_PRIVATE_OUTER_REF.
583         * hooks.c (hook_tree_tree_tree_tree_null): New function.
584         * hooks.h (hook_tree_tree_tree_tree_null): New prototype.
585         * tree.def (OMP_TASK): New tree code.
586         * tree.h (OMP_TASK_COPYFN, OMP_TASK_ARG_SIZE, OMP_TASK_ARG_ALIGN,
587         OMP_CLAUSE_PRIVATE_OUTER_REF, OMP_CLAUSE_LASTPRIVATE_STMT,
588         OMP_CLAUSE_COLLAPSE_ITERVAR, OMP_CLAUSE_COLLAPSE_COUNT,
589         OMP_TASKREG_CHECK, OMP_TASKREG_BODY, OMP_TASKREG_CLAUSES,
590         OMP_TASKREG_FN, OMP_TASKREG_DATA_ARG, OMP_TASK_BODY,
591         OMP_TASK_CLAUSES, OMP_TASK_FN, OMP_TASK_DATA_ARG,
592         OMP_CLAUSE_COLLAPSE_EXPR): Define.
593         (enum omp_clause_default_kind): Add OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.
594         (OMP_DIRECTIVE_P): Add OMP_TASK.
595         (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): New clause codes.
596         (OMP_CLAUSE_SCHEDULE_AUTO): New schedule kind.
597         * tree.c (omp_clause_code_name): Add OMP_CLAUSE_COLLAPSE
598         and OMP_CLAUSE_UNTIED entries.
599         (omp_clause_num_ops): Likewise.  Increase OMP_CLAUSE_LASTPRIVATE
600         num_ops to 2.
601         (walk_tree_1): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
602         Walk OMP_CLAUSE_LASTPRIVATE_STMT.
603         * tree-pretty-print.c (dump_omp_clause): Handle
604         OMP_CLAUSE_SCHEDULE_AUTO, OMP_CLAUSE_UNTIED, OMP_CLAUSE_COLLAPSE,
605         OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.
606         (dump_generic_node): Handle OMP_TASK and collapsed OMP_FOR loops.
607         * c-omp.c (c_finish_omp_for): Allow pointer iterators.  Remove
608         warning about unsigned iterators.  Change decl/init/cond/incr
609         arguments to TREE_VECs, check arguments for all collapsed loops.
610         (c_finish_omp_taskwait): New function.
611         (c_split_parallel_clauses): Put OMP_CLAUSE_COLLAPSE clause to
612         ws_clauses.
613         * c-parser.c (c_parser_omp_for_loop): Parse collapsed loops.  Call
614         default_function_array_conversion on init.  Add par_clauses argument.
615         If decl is present in parallel's lastprivate clause, change it to
616         shared and add lastprivate clause for decl to OMP_FOR_CLAUSES.
617         Add clauses argument, on success set OMP_FOR_CLAUSES to it.  Look up
618         collapse count in clauses.
619         (c_parser_omp_for, c_parser_omp_parallel): Adjust
620         c_parser_omp_for_loop callers.
621         (OMP_FOR_CLAUSE_MASK): Add 1 << PRAGMA_OMP_CLAUSE_COLLAPSE.
622         (c_parser_pragma): Handle PRAGMA_OMP_TASKWAIT.
623         (c_parser_omp_clause_name): Handle collapse and untied clauses.
624         (c_parser_omp_clause_collapse, c_parser_omp_clause_untied): New
625         functions.
626         (c_parser_omp_clause_schedule): Handle schedule(auto).
627         Include correct location in the error message.
628         (c_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE
629         and PRAGMA_OMP_CLAUSE_UNTIED.
630         (OMP_TASK_CLAUSE_MASK): Define.
631         (c_parser_omp_task, c_parser_omp_taskwait): New functions.
632         (c_parser_omp_construct): Handle PRAGMA_OMP_TASK.
633         * tree-nested.c (convert_nonlocal_omp_clauses,
634         convert_local_omp_clauses): Handle OMP_CLAUSE_LASTPRIVATE_STMT,
635         OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE,
636         OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
637         Don't handle TREE_STATIC or DECL_EXTERNAL VAR_DECLs in
638         OMP_CLAUSE_DECL.
639         (conver_nonlocal_reference, convert_local_reference,
640         convert_call_expr): Handle OMP_TASK the same as OMP_PARALLEL.  Use
641         OMP_TASKREG_* macros rather than OMP_PARALLEL_*.
642         (walk_omp_for): Adjust for OMP_FOR_{INIT,COND,INCR} changes.
643         * tree-gimple.c (is_gimple_stmt): Handle OMP_TASK.
644         * c-tree.h (c_begin_omp_task, c_finish_omp_task): New prototypes.
645         * c-pragma.h (PRAGMA_OMP_TASK, PRAGMA_OMP_TASKWAIT): New.
646         (PRAGMA_OMP_CLAUSE_COLLAPSE, PRAGMA_OMP_CLAUSE_UNTIED): New.
647         * c-typeck.c (c_begin_omp_task, c_finish_omp_task): New functions.
648         (c_finish_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and
649         OMP_CLAUSE_UNTIED.
650         * c-pragma.c (init_pragma): Init omp task and omp taskwait pragmas.
651         * c-common.h (c_finish_omp_taskwait): New prototype.
652         * gimple-low.c (lower_stmt): Handle OMP_TASK.
653         * tree-parloops.c (create_parallel_loop): Create 1 entry
654         vectors for OMP_FOR_{INIT,COND,INCR}.
655         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
656         (make_edges): Handle OMP_TASK.
657         * tree-ssa-operands.c (get_expr_operands): Handle collapsed OMP_FOR
658         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
659         * tree-inline.c (estimate_num_insns_1): Handle OMP_TASK.
660         * builtin-types.def (BT_PTR_ULONGLONG, BT_PTR_FN_VOID_PTR_PTR,
661         BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR,
662         BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR,
663         BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR,
664         BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New.
665         * omp-builtins.def (BUILT_IN_GOMP_TASK, BUILT_IN_GOMP_TASKWAIT,
666         BUILT_IN_GOMP_LOOP_ULL_STATIC_START,
667         BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_START,
668         BUILT_IN_GOMP_LOOP_ULL_GUIDED_START,
669         BUILT_IN_GOMP_LOOP_ULL_RUNTIME_START,
670         BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_START,
671         BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_START,
672         BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_START,
673         BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_START,
674         BUILT_IN_GOMP_LOOP_ULL_STATIC_NEXT,
675         BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_NEXT,
676         BUILT_IN_GOMP_LOOP_ULL_GUIDED_NEXT,
677         BUILT_IN_GOMP_LOOP_ULL_RUNTIME_NEXT,
678         BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_NEXT,
679         BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_NEXT,
680         BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_NEXT,
681         BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_NEXT): New builtins.
682         * gimplify.c (gimplify_omp_for): Allow pointer type for decl,
683         handle POINTER_PLUS_EXPR.  If loop counter has been replaced and
684         original iterator is present in lastprivate clause or if
685         collapse > 1, set OMP_CLAUSE_LASTPRIVATE_STMT.  Handle collapsed
686         OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
687         (gimplify_expr): Handle OMP_SECTIONS_SWITCH and OMP_TASK.
688         (enum gimplify_omp_var_data): Add GOVD_PRIVATE_OUTER_REF.
689         (omp_notice_variable): Set GOVD_PRIVATE_OUTER_REF if needed,
690         if it is set, lookup var in outer contexts too.  Handle
691         OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.  Handle vars that are supposed
692         to be implicitly determined firstprivate for task regions.
693         (gimplify_scan_omp_clauses): Set GOVD_PRIVATE_OUTER_REF if needed,
694         if it is set, lookup var in outer contexts too.  Set
695         OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set.
696         Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE and
697         OMP_CLAUSE_UNTIED.  Take region_type as last argument
698         instead of in_parallel and in_combined_parallel.
699         (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
700         Adjust callers.
701         (gimplify_adjust_omp_clauses_1): Set OMP_CLAUSE_PRIVATE_OUTER_REF if
702         GOVD_PRIVATE_OUTER_REF is set.  Call omp_finish_clause langhook.
703         (new_omp_context): Set default_kind to
704         OMP_CLAUSE_DEFAULT_UNSPECIFIED for OMP_TASK regions.
705         (omp_region_type): New enum.
706         (struct gimplify_omp_ctx): Remove is_parallel and is_combined_parallel
707         fields, add region_type.
708         (new_omp_context): Take region_type as argument instead of is_parallel
709         and is_combined_parallel.
710         (gimple_add_tmp_var, omp_firstprivatize_variable, omp_notice_variable,
711         omp_is_private, omp_check_private): Adjust ctx->is_parallel and
712         ctx->is_combined_parallel checks.
713         (gimplify_omp_task): New function.
714         (gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and
715         OMP_CLAUSE_UNTIED.
716         * omp-low.c (extract_omp_for_data): Use schedule(static)
717         for schedule(auto).  Handle pointer and unsigned iterators.
718         Compute fd->iter_type.  Handle POINTER_PLUS_EXPR increments.
719         Add loops argument.  Extract data for collapsed OMP_FOR loops.
720         (expand_parallel_call): Assert sched_kind isn't auto,
721         map runtime schedule to index 3.
722         (struct omp_for_data_loop): New type.
723         (struct omp_for_data): Remove v, n1, n2, step, cond_code fields.
724         Add loop, loops, collapse and iter_type fields.
725         (workshare_safe_to_combine_p): Disallow combined for if
726         iter_type is unsigned long long.  Don't combine collapse > 1 loops
727         unless all bounds and steps are constant.  Adjust extract_omp_for_data
728         caller.
729         (expand_omp_for_generic): Handle pointer, unsigned and long long
730         iterators.  Handle collapsed OMP_FOR loops.  Adjust
731         for struct omp_for_data changes.  If libgomp function doesn't return
732         boolean_type_node, add comparison of the return value with 0.
733         (expand_omp_for_static_nochunk, expand_omp_for_static_chunk): Handle
734         pointer, unsigned and long long iterators.  Adjust for struct
735         omp_for_data changes.
736         (expand_omp_for): Assert sched_kind isn't auto, map runtime schedule
737         to index 3.  Use GOMP_loop_ull*{start,next} if iter_type is
738         unsigned long long.  Allocate loops array, pass it to
739         extract_omp_for_data.  For collapse > 1 loops use always
740         expand_omp_for_generic.
741         (omp_context): Add sfield_map and srecord_type fields.
742         (is_task_ctx, lookup_sfield): New functions.
743         (use_pointer_for_field): Use is_task_ctx helper.  Change first
744         argument's type from const_tree to tree.  Clarify comment.
745         In OMP_TASK disallow copy-in/out sharing.
746         (build_sender_ref): Call lookup_sfield instead of lookup_field.
747         (install_var_field): Add mask argument.  Populate both record_type
748         and srecord_type if needed.
749         (delete_omp_context): Destroy sfield_map, clear DECL_ABSTRACT_ORIGIN
750         in srecord_type.
751         (fixup_child_record_type): Also remap FIELD_DECL's DECL_SIZE{,_UNIT}
752         and DECL_FIELD_OFFSET.
753         (scan_sharing_clauses): Adjust install_var_field callers.  For
754         firstprivate clauses on explicit tasks allocate the var by value in
755         record_type unconditionally, rather than by reference.
756         Handle OMP_CLAUSE_PRIVATE_OUTER_REF.  Scan OMP_CLAUSE_LASTPRIVATE_STMT.
757         Use is_taskreg_ctx instead of is_parallel_ctx.
758         Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
759         (create_omp_child_function_name): Add task_copy argument, use
760         *_omp_cpyfn* names if it is true.
761         (create_omp_child_function): Add task_copy argument, if true create
762         *_omp_cpyfn* helper function.
763         (scan_omp_parallel): Adjust create_omp_child_function callers.
764         Rename parallel_nesting_level to taskreg_nesting_level.
765         (scan_omp_task): New function.
766         (lower_rec_input_clauses): Don't run constructors for firstprivate
767         explicit task vars which are initialized by *_omp_cpyfn*.  
768         Pass outer var ref to omp_clause_default_ctor hook if
769         OMP_CLAUSE_PRIVATE_OUTER_REF or OMP_CLAUSE_LASTPRIVATE.
770         Replace OMP_CLAUSE_REDUCTION_PLACEHOLDER decls in
771         OMP_CLAUSE_REDUCTION_INIT.
772         (lower_send_clauses): Clear DECL_ABSTRACT_ORIGIN if in task to
773         avoid duplicate setting of fields.  Handle
774         OMP_CLAUSE_PRIVATE_OUTER_REF.
775         (lower_send_shared_vars): Use srecord_type if non-NULL.  Don't
776         copy-out if TREE_READONLY, only copy-in.
777         (expand_task_copyfn): New function.
778         (expand_task_call): New function.
779         (struct omp_taskcopy_context): New type.
780         (task_copyfn_copy_decl, task_copyfn_remap_type, create_task_copyfn):
781         New functions.
782         (lower_omp_parallel): Rename to...
783         (lower_omp_taskreg): ... this.  Use OMP_TASKREG_* macros where needed.
784         Call create_task_copyfn if srecord_type is needed.  Adjust
785         sender_decl type.
786         (task_shared_vars): New variable.
787         (check_omp_nesting_restrictions): Warn if work-sharing,
788         barrier, master or ordered region is closely nested inside OMP_TASK.
789         Add warnings for barrier if closely nested inside of work-sharing,
790         ordered, or master region.
791         (scan_omp_1): Call check_omp_nesting_restrictions even for
792         GOMP_barrier calls.  Rename parallel_nesting_level to
793         taskreg_nesting_level.  Handle OMP_TASK.
794         (lower_lastprivate_clauses): Even if some lastprivate is found on a
795         work-sharing construct, continue looking for them on parent parallel
796         construct.
797         (lower_omp_for_lastprivate): Add lastprivate clauses
798         to the beginning of dlist rather than end.  Adjust for struct
799         omp_for_data changes.
800         (lower_omp_for): Add rec input clauses before OMP_FOR_PRE_BODY,
801         not after it.  Handle collapsed OMP_FOR loops, adjust for
802         OMP_FOR_{INIT,COND,INCR} changes, adjust extract_omp_for_data caller.
803         (get_ws_args_for): Adjust extract_omp_for_data caller.
804         (scan_omp_for): Handle collapsed OMP_FOR
805         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
806         (lower_omp_single_simple): If libgomp function doesn't return
807         boolean_type_node, add comparison of the return value with 0.
808         (diagnose_sb_1, diagnose_sb_2): Handle collapsed OMP_FOR
809         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.  Handle OMP_TASK.
810         (parallel_nesting_level): Rename to...
811         (taskreg_nesting_level): ... this.
812         (is_taskreg_ctx): New function.
813         (build_outer_var_ref, omp_copy_decl): Use is_taskreg_ctx instead
814         of is_parallel_ctx.
815         (execute_lower_omp): Rename parallel_nesting_level to
816         taskreg_nesting_level.
817         (expand_omp_parallel): Rename to...
818         (expand_omp_taskreg): ... this.  Use OMP_TASKREG_* macros where needed.
819         Call omp_task_call for OMP_TASK regions.
820         (expand_omp): Adjust caller, handle OMP_TASK.
821         (lower_omp_1): Adjust lower_omp_taskreg caller, handle OMP_TASK.
822
823         * bitmap.c (bitmap_default_obstack_depth): New variable.
824         (bitmap_obstack_initialize, bitmap_obstack_release): Do nothing
825         if argument is NULL and bitmap_default_obstack is already initialized.
826         * ipa-struct-reorg.c (do_reorg_1): Call bitmap_obstack_release
827         at the end.
828         * matrix-reorg.c (matrix_reorg): Likewise.
829
830 2008-06-06  Uros Bizjak  <ubizjak@gmail.com>
831
832         * config/i386/i386.md (*indirect_jump): Macroize using P
833         mode iterator.  Remove !TARGET_64BIT from insn constraints.
834         (*tablejump_1): Ditto.
835         (*indirect_jump_rex64): Remove insn pattern.
836         (*tablejump_1_rex64): Ditto.
837         (eh_return_<mode>): Macroize using P mode iterator from eh_return_di
838         and eh_return_si insn patterns.
839
840 2008-06-06  Richard Guenther  <rguenther@suse.de>
841
842         * tree-ssa-structalias.c (merge_smts_into): Remove.
843         (find_what_p_points_to): Do not bother to compute the
844         points-to set for pt_anything pointers.
845         * tree-ssa-operands.c (get_addr_dereference_operands): No NMT
846         for pt_anything pointers is ok.
847
848 2008-06-06  Jan Hubicka  <jh@suse.cz>
849
850         * passes.c (execute_ipa_pass_list): Do not regenerate summaries.
851
852 2008-06-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
853
854         * cgraph.c: Fix typos in comments.
855         (cgraph_availability_names): Fix string typo.
856         * fold-const.c: Fix typos in comments.
857         (fold_binary): Fix typo in warning.
858         * genautomata.c: Fix typos in comments.
859         (check_presence_pattern_sets): Fix typo in local variable.
860         (output_description): Fix typo in output.
861         * ggc-zone.c (ggc_pch_finish): Fix typo in error message.
862         * hwint.h: Likewise.
863         * matrix-reorg.c (check_allocation_function): Likewise.
864         * omega.c (smooth_weird_equations): Likewise.
865         * auto-inc-dec.c: Fix typos in comments.
866         * bb-reorder.c: Likewise.
867         * builtins.c: Likewise.
868         * c-common.c: Likewise.
869         * c-cppbuiltin.c: Likewise.
870         * c-parser.c: Likewise.
871         * c-pretty-print.c: Likewise.
872         * cfgcleanup.c: Likewise.
873         * cfgexpand.c: Likewise.
874         * cfghooks.c: Likewise.
875         * cfglayout.c: Likewise.
876         * cfgloopmanip.c: Likewise.
877         * cgraphunit.c: Likewise.
878         * coverage.c: Likewise.
879         * dbxout.c: Likewise.
880         * df-byte-scan.c: Likewise.
881         * df-core.c: Likewise.
882         * df-problems.c: Likewise.
883         * df-scan.c: Likewise.
884         * dfp.c: Likewise.
885         * dominance.c: Likewise.
886         * domwalk.c: Likewise.
887         * dse.c: Likewise.
888         * dwarf2out.c: Likewise.
889         * emit-rtl.c: Likewise.
890         * et-forest.c: Likewise.
891         * function.c: Likewise.
892         * function.h: Likewise.
893         * gcc.c: Likewise.
894         * gcov-io.c: Likewise.
895         * gcov.c: Likewise.
896         * gcse.c: Likewise.
897         * genattrtab.c: Likewise.
898         * ggc-page.c: Likewise.
899         * gimplify.c: Likewise.
900         * gthr-lynx.h: Likewise.
901         * haifa-sched.c: Likewise.
902         * ipa-cp.c: Likewise.
903         * ipa-inline.c: Likewise.
904         * ipa-prop.h: Likewise.
905         * ipa-pure-const.c: Likewise.
906         * ipa-struct-reorg.c: Likewise.
907         * ipa-struct-reorg.h: Likewise.
908         * ipa-type-escape.c: Likewise.
909         * ipa.c: Likewise.
910         * loop-doloop.c: Likewise.
911         * mips-tfile.c: Likewise.
912         * mkmap-flat.awk: Likewise.
913         * mkmap-symver.awk: Likewise.
914         * modulo-sched.c: Likewise.
915         * omp-low.c: Likewise.
916         * optabs.c: Likewise.
917         * optabs.h: Likewise.
918         * opts.c: Likewise.
919         * passes.c: Likewise.
920         * postreload-gcse.c: Likewise.
921         * postreload.c: Likewise.
922         * predict.c: Likewise.
923         * pretty-print.h: Likewise.
924         * profile.c: Likewise.
925         * protoize.c: Likewise.
926         * ra-conflict.c: Likewise.
927         * real.c: Likewise.
928         * recog.c: Likewise.
929         * regclass.c: Likewise.
930         * regs.h: Likewise.
931         * reload.c: Likewise.
932         * rtl-error.c: Likewise.
933         * rtlanal.c: Likewise.
934         * scan.h: Likewise.
935         * sched-rgn.c: Likewise.
936         * see.c: Likewise.
937         * stmt.c: Likewise.
938         * target.h: Likewise.
939         * tree-dfa.c: Likewise.
940         * tree-eh.c: Likewise.
941         * tree-flow-inline.h: Likewise.
942         * tree-inline.c: Likewise.
943         * tree-into-ssa.c: Likewise.
944         * tree-loop-distribution.c: Likewise.
945         * tree-nested.c: Likewise.
946         * tree-parloops.c: Likewise.
947         * tree-pass.h: Likewise.
948         * tree-pretty-print.c: Likewise.
949         * tree-profile.c: Likewise.
950         * tree-scalar-evolution.c: Likewise.
951         * tree-sra.c: Likewise.
952         * tree-ssa-alias-warnings.c: Likewise.
953         * tree-ssa-ccp.c: Likewise.
954         * tree-ssa-coalesce.c: Likewise.
955         * tree-ssa-dom.c: Likewise.
956         * tree-ssa-dse.c: Likewise.
957         * tree-ssa-forwprop.c: Likewise.
958         * tree-ssa-live.c: Likewise.
959         * tree-ssa-live.h: Likewise.
960         * tree-ssa-loop-im.c: Likewise.
961         * tree-ssa-loop-ivopts.c: Likewise.
962         * tree-ssa-loop-niter.c: Likewise.
963         * tree-ssa-loop-prefetch.c: Likewise.
964         * tree-ssa-phiopt.c: Likewise.
965         * tree-ssa-phiprop.c: Likewise.
966         * tree-ssa-sccvn.c: Likewise.
967         * tree-ssa-ter.c: Likewise.
968         * tree-ssa-threadupdate.c: Likewise.
969         * tree-ssa.c: Likewise.
970         * tree-vect-analyze.c: Likewise.
971         * tree-vect-transform.c: Likewise.
972         * tree-vectorizer.c: Likewise.
973         * tree-vn.c: Likewise.
974         * tree-vrp.c: Likewise.
975         * tree.c: Likewise.
976         * tree.def: Likewise.
977         * tree.h: Likewise.
978         * unwind-dw2-fde.c: Likewise.
979         * unwind.inc: Likewise.
980         * value-prof.c: Likewise.
981         * vmsdbgout.c: Likewise.
982
983 2008-06-05  David Edelsohn  <edelsohn@gnu.org>
984
985         * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Do not
986         always place FP constants in the TOC for TARGET_POWERPC64.
987         * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Same.
988
989 2008-06-05  Joseph Myers  <joseph@codesourcery.com>
990
991         * config.gcc (powerpc-*-linux*spe*): Use t-dfprules.
992         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): Do not
993         enable for TARGET_E500_DOUBLE.
994         (*movdd_softfloat32): Also enable for !TARGET_FPRS.
995         * config/rs6000/rs6000.c (invalid_e500_subreg): Treat decimal
996         floating-point modes like integer modes for E500 double.
997         (rs6000_legitimate_offset_address_p): Likewise.
998         (rs6000_legitimize_address): Likewise.  Do not allow REG+REG
999         addressing for DDmode for E500 double.
1000         (rs6000_hard_regno_nregs): Do not treat decimal floating-point
1001         modes as using 64-bits of registers for E500 double.
1002         (spe_build_register_parallel): Do not handle DDmode or TDmode.
1003         (rs6000_spe_function_arg): Do not handle DDmode or TDmode
1004         specially for E500 double.
1005         (function_arg): Do not call rs6000_spe_function_arg for DDmode or
1006         TDmode for E500 double.
1007         (rs6000_gimplify_va_arg): Only handle SDmode in registers
1008         specially if TARGET_HARD_FLOAT && TARGET_FPRS.
1009         (rs6000_split_multireg_move): Do not handle TDmode specially for
1010         E500 double.
1011         (spe_func_has_64bit_regs_p): Do not treat DDmode or TDmode as
1012         using 64-bit registers for E500 double.
1013         (emit_frame_save): Do not handle DDmode specially for E500 double.
1014         (gen_frame_mem_offset): Likewise.
1015         (rs6000_function_value): Do not call spe_build_register_parallel
1016         for DDmode or TDmode.
1017         (rs6000_libcall_value): Likewise.
1018         * config/rs6000/rs6000.h (LOCAL_ALIGNMENT, MEMBER_TYPE_FORCES_BLK,
1019         DATA_ALIGNMENT, CLASS_MAX_NREGS): Do not handle DDmode specially
1020         for E500 double.
1021
1022 2008-06-04  H.J. Lu  <hongjiu.lu@intel.com>
1023
1024         * config/i386/i386.c (setup_incoming_varargs_64): Fix a typo
1025         in comments.
1026
1027 2008-06-04  Junjie Gu <jgu@tensilica.com>
1028
1029         * config/xtensa/lib2funcs.S (__xtensa_nonlocal_goto): Use unsigned
1030         comparison for frame pointers.
1031
1032 2008-06-04  Andy Hutchinson  <hutchinsonandy@aim.com>
1033
1034         PR target/27386
1035         * config/avr/avr.h (PUSH_ROUNDING): Remove.
1036
1037 2008-06-04  Andy Hutchinson  <hutchinsonandy@aim.com>
1038
1039         PR target/30243
1040         * builtins.c (expand_builtin_signbit): Don't take lowpart when
1041         register is already smaller or equal to required mode. 
1042
1043 2008-06-04  Xinliang David Li  <davidxl@google.com>
1044
1045         * tree-call-cdce.c: New file. 
1046         (cond_dead_built_in_calls): New static variable.
1047         (input_domain): New struct.
1048         (check_pow): New function.
1049         (check_builtin_call): Ditto.
1050         (check_target_format): Ditto.
1051         (is_call_dce_candidate): Ditto.
1052         (gen_one_condition): Ditto.
1053         (gen_conditions_for_domain): Ditto.
1054         (get_domain): Ditto.
1055         (gen_conditions_for_pow_cst_base): Ditto.
1056         (gen_conditions_for_pow_int_base): Ditto.
1057         (gen_conditions_for_pow): Ditto.
1058         (get_no_error_domain): Ditto.
1059         (gen_shrink_wrap_conditions): Ditto.
1060         (shrink_wrap_one_built_in_call): Ditto.
1061         (shink_wrap_conditional_dead_built_in_calls): Ditto.
1062         (tree_call_cdce): Ditto.
1063         (gate_call_cdce): Ditto.
1064         (pass_call_cdce): New gimple pass.
1065         * passes.c: (init_optimization_passes): New pass.
1066         * tree-pass.h: New pass declaration.
1067         * opts.c (decode_options): New flag setting.
1068         * common.opt: Add -ftree-builtin-call-dce flag.
1069         * Makefile.in: Add new source file.
1070         * tempvar.def: New tv_id.
1071         * doc/invoke.texi (-ftree-builtin-call-dce): New flag.
1072
1073 2008-06-04  Richard Guenther  <rguenther@suse.de>
1074
1075         * tree-flow-inline.h (is_global_var): Do not check TREE_STATIC on MTAGs.
1076         (is_call_clobbered): Always check var_ann->call_clobbered.
1077         (mark_call_clobbered): Always set var_ann->call_clobbered.
1078         (clear_call_clobbered): Always clear var_ann->call_clobbered.
1079         * tree-ssa-alias.c (mark_non_addressable): Use clear_call_clobbered.
1080         (reset_alias_info): Clear call clobbering info on MTAGs and
1081         globals as well.
1082         (set_pt_anything): Set pt_global_mem.
1083         (create_tag_raw): Adjust comment.
1084         (may_be_aliased): Do not check TREE_PUBLIC on MTAGs.
1085
1086 2008-06-04  Joseph Myers  <joseph@codesourcery.com>
1087             Maxim Kuvyrkov  <maxim@codesourcery.com>
1088
1089         * config/m68k/m68k.opt (mxgot): New option.
1090         * config/m68k/m68k.c (legitimize_pic_address): Handle -mxgot.
1091         (m68k_output_addr_const_extra): New.
1092         * config/m68k/m68k.h (OUTPUT_ADDR_CONST_EXTRA): New.
1093         * config/m68k/m68k-protos.h (m68k_output_addr_const_extra): Declare.
1094         * config/m68k/m68k.md (UNSPEC_GOTOFF): Define.
1095         * doc/invoke.texi (M680x0 Options): Document -mxgot.
1096
1097 2008-06-04  Richard Guenther  <rguenther@suse.de>
1098
1099         * tree-ssa-structalias.c (handle_ptr_arith): Correctly handle
1100         negative or non-representable offsets.
1101
1102 2008-06-03  H.J. Lu  <hongjiu.lu@intel.com>
1103
1104         * config/i386/i386.c (ix86_gen_leave): New.
1105         (ix86_gen_pop1): Likewise.
1106         (ix86_gen_add3): Likewise.
1107         (ix86_gen_sub3): Likewise.
1108         (ix86_gen_sub3_carry): Likewise.
1109         (ix86_gen_one_cmpl2): Likewise.
1110         (ix86_gen_monitor): Likewise.
1111         (override_options): Initialize ix86_gen_leave, ix86_gen_pop1,
1112         ix86_gen_add3, ix86_gen_sub3, ix86_gen_sub3_carry,
1113         ix86_gen_one_cmpl2 and ix86_gen_monitor.
1114         (ix86_file_end): Use mov%z0 instead of mov{q}/mov{l}.
1115         (output_set_got): Use mov%z0, pop%z0 and add%z0 instead of
1116         mov{q}/mov{l}, pop{q}/pop{l} and add{q}/add{l}.
1117         (ix86_expand_epilogue): Updated.
1118         (print_operand): Handle integer register operand for 'z'.
1119         (ix86_expand_strlensi_unroll_1): Likewise.
1120         (ix86_expand_strlen): Likewise.
1121         (ix86_expand_builtin): Likewise.
1122         (x86_output_mi_thunk): Use mov%z1 and add%z1 instead of
1123         mov{q}/mov{l} and add{q}/add{l}.
1124
1125 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
1126
1127         * config/i386/i386.md (P): New mode iterator.
1128         (SFmode push_operand splitter): Macroize DImode and SImode pushes
1129         using P mode iterator.
1130         (DFmode push_operand splitter): Ditto.
1131         (XFmode push_operand splitter): Ditto.
1132         (DFmode float_extend SFmode push_operand splitter): Ditto.
1133         (XFmode float_extend SFmode push_operand splitter): Do not generate
1134         SImode pushes for 64bit target.  Macroize Dimode and SImode
1135         pushes using P mode iterator.
1136         (XFmode float_extend DFmode push_operand splitter): Ditto.
1137
1138 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
1139
1140         * config/i386/i386-protos.h (ix86_reg_parm_stack_space): New.
1141         * config/i386/i386.h (ix86_reg_parm_stack_space): Removed prototype.
1142         * config/i386/i386.c (ix86_reg_parm_stack_space): Changed
1143         return type to int.
1144         (ix86_call_abi_override): Remove check for call_used_regs.
1145
1146 2008-06-03  Richard Guenther  <rguenther@suse.de>
1147
1148         * tree-ssa-structalias.c (find_func_aliases): Add constraints
1149         for the lhs of calls if the return type contains pointers.
1150
1151 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
1152
1153         * doc/tm.texi (OVERRIDE_ABI_FORMAT): New.
1154         * doc/extend.texi (ms_abi,sysv_abi): New attribute description.
1155         * function.c (allocate_struct_function): Use of OVERRIDE_ABI_FORMAT.
1156         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Make use
1157         of cfun and DEFAULT_ABI to deceide abi mode.
1158         (DEFAULT_ABI): New.
1159         (REG_PARM_STACK_SPACE): Removed.
1160         (OUTGOING_REG_PARM_STACK_SPACE): Removed.
1161         (STACK_BOUNDARY): Use default target to deceide stack boundary.
1162         * config/i386/i386-protos.h (ix86_cfun_abi): New.
1163         (ix86_function_abi): Likewise.
1164         (ix86_function_type_abi): Likewise.
1165         (ix86_call_abi_override): Likewise.
1166         * confid/i386/i386.md (SSE_REGPARM_MAX): Replaced by abi
1167         specific define X86_64_SSE_REGPARM_MAX/X64_SSE_REGPARM_MAX.
1168         * config/i386/i386.c (override_options): Replace TARGET_64BIT_MS_ABI.
1169         (X86_64_VARARGS_SIZE): Replace REGPARM_MAX and SSE_REGPARM_MAX by abi
1170         specific defines.
1171         (X86_64_REGPARM_MAX): New.
1172         (X86_64_SSE_REGPARM_MAX): New.
1173         (X64_REGPARM_MAX): New.
1174         (X64_SSE_REGPARM_MAX): New.
1175         (X86_32_REGPARM_MAX): New.
1176         (X86_32_SSE_REGPARM_MAX): New.
1177         (ix86_handle_cconv_attribute): Replace TARGET_64BIT_MS_ABI.
1178         (ix86_function_regparm): Handle user calling abi.
1179         (ix86_function_arg_regno_p): Replace TARGET_64BIT_MS_ABI
1180         by DEFAULT_ABI versus SYSV_ABI check.
1181         (ix86_reg_parm_stack_space): New.
1182         (ix86_function_type_abi): New.
1183         (ix86_call_abi_override): New.
1184         (ix86_function_abi): New.
1185         (ix86_cfun_abi): New.
1186         (init_cumulative_args): Call abi specific initialization.
1187         (function_arg_advance): Remove TARGET_64BIT_MS_ABI.
1188         (function_arg_64): Extend SSE_REGPARM_MAX check.
1189         (function_arg (): Remove TARGET_64BIT_MS_ABI.
1190         (ix86_pass_by_reference): Likewise.
1191         (ix86_function_value_regno_p): Likewise.
1192         (function_value_64): Replace REGPARM_MAX, and SSE_REGPARM_MAX.
1193         (ix86_function_value_1): Replace TARGET_64BIT_MS_ABI.
1194         (return_in_memory_ms_64): Replace TARGET_64BIT_MS_ABI.
1195         (ix86_build_builtin_va_list): Replace TARGET_64BIT_MS_ABI.
1196         (setup_incoming_varargs_64): Adjust regparm for call abi.
1197         (ix86_setup_incoming_varargs): Replace TARGET_64BIT_MS_ABI.
1198         (ix86_va_start): Likewise.
1199         (ix86_gimplify_va_arg): Likewise.
1200         (ix86_expand_prologue): Likewise.
1201         (output_pic_addr_const): Likewise.
1202         (ix86_init_machine_status): Initialize call_abi by DEFAULT_ABI.
1203         (x86_this_parameter): Replace TARGET_64BIT_MS_ABI.
1204         (x86_output_mi_thunk): Likewise.
1205         (x86_function_profiler): Likewise.
1206         * config/i386/i386.h (TARGET_64BIT_MS_ABI): Use ix64_cfun_abi.
1207         (SYSV_ABI, MS_ABI): New constants.
1208         (DEFAULT_ABI): New.
1209         (init_regs): Add prototype of function in regclass.c file.
1210         (OVERRIDE_ABI_FORMAT): New.
1211         (CONDITIONAL_REGISTER_USAGE): Remove TARGET_64BIT_MS_ABI part.
1212         (REG_PARM_STACK_SPACE): Use ix86_reg_parm_stack_space.
1213         (OUTGOING_REG_PARM_STACK_SPACE): New.
1214         (ix86_reg_parm_stack_space): New prototype.
1215         (CUMULATIVE_ARGS): Add call_abi member.
1216         (machine_function): Add call_abi member.
1217         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Replace
1218         TARGET_64BIT_MS_ABI by DEFAULT_ABI compare to MS_ABI.
1219
1220 2008-06-02  Andy Hutchinson  <hutchinsonandy@aim.com> 
1221
1222         PR target/34879
1223         * config/avr/avr.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Redefine.
1224         (avr_builtin_setjmp_frame_value): New function.
1225         * config/avr/avr.md (nonlocal_goto_receiver): Define.
1226         (nonlocal_goto): Define.
1227
1228 2008-06-02  Richard Sandiford  <rdsandiford@googlemail.com>
1229
1230         * config/mips/mips.c (mips_emit_loadgp): Return early if
1231         there is nothing do to, otherwise emit a blockage if
1232         !TARGET_EXPLICIT_RELOCS || crtl->profile.
1233         * config/mips/mips.md (loadgp_blockage): Use SI rather than DI.
1234
1235 2008-06-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1236
1237         * configure.ac: Drop unneeded backslash ending up in config.in.
1238         * acinclude.m4: Likewise.
1239         * config.in: Regenerate.
1240
1241 2008-05-26  Jan Hubicka  <jh@suse.cz>
1242
1243         * predict.c (maybe_hot_frequency_p): Break out of...
1244         (maybe_hot_bb_p): ... here.
1245         (maybe_hot_edge_p): New.
1246         * tree-ssa-coalesce.c (coalesce_cost_edge): Compute cost based on edge.
1247         * basic-block.h (maybe_hot_edge_p): Declare.
1248
1249 2008-05-31  Uros Bizjak  <ubizjak@gmail.com>
1250
1251         * config/i386/i386.md (*cmpfp_<mode>): Enable for optimize_size.
1252         (*cmpfp_<mode>_cc): Ditto.
1253         (*fp_jcc_8<mode>_387): Ditto.
1254         (*fop_<MODEF:mode>_2_i387): Ditto.
1255         (*fop_<MODEF:mode>_3_i387): Ditto.
1256         (*fop_xf_2_i387): Ditto.
1257         (*fop_xf_3_i387): Ditto.
1258
1259 2008-06-02  Tomas Bily  <tbily@suse.cz>
1260
1261         * tree-ssa-ifcombine.c (get_name_for_bit_test): Use CONVERT_EXPR_P.
1262
1263 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
1264
1265         * config/mips/mips.c (mips_valid_offset_p): New function.
1266         (mips_valid_lo_sum_p): Likewise.
1267         (mips_classify_address): Use them.
1268         (mips_force_address): New function.
1269         (mips_legitimize_address): Use it.
1270         * config/mips/mips.md (MOVE128): New mode iterator.
1271         (movtf): Require TARGET_64BIT.  Remove empty strings.
1272         (*movtf_internal): Rename to...
1273         (*movtf): ...this and require !TARGET_MIPS16.  Use "m" instead
1274         of "R" and use {,fp}{load,store} attributes instead of "multi".
1275         Use a separate define_split.
1276         (*movtf_mips16): New pattern.
1277
1278 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
1279
1280         * config/mips/mips-protos.h (mips_expand_before_return): Declare.
1281         * config/mips/mips.c (mips_expand_before_return): New function.
1282         (mips_expand_epilogue): Call it.
1283         * config/mips/mips.md (return): Turn into a define_expand.
1284         (*return): New insn.
1285
1286 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
1287
1288         * rtl.h (emit_clobber, gen_clobber, emit_use, gen_use): Declare.
1289         * emit-rtl.c (emit_clobber, gen_clobber, emit_use, gen_use): New
1290         functions.  Do not emit uses and clobbers of CONCATs; individually
1291         use and clobber their operands.
1292         * builtins.c (expand_builtin_setjmp_receiver): Use emit_clobber,
1293         gen_clobber, emit_use and gen_use.
1294         (expand_builtin_longjmp, expand_builtin_nonlocal_goto): Likewise.
1295         (expand_builtin_return): Likewise.
1296         * cfgbuild.c (count_basic_blocks): Likewise.
1297         * cfgrtl.c (rtl_flow_call_edges_add): Likewise.
1298         * explow.c (emit_stack_restore): Likewise.
1299         * expmed.c (extract_bit_field_1): Likewise.
1300         * expr.c (convert_move, emit_move_complex_parts): Likewise.
1301         (emit_move_multi_word, store_constructor): Likewise.
1302         * function.c (do_clobber_return_reg, do_use_return_reg): Likewise.
1303         (thread_prologue_and_epilogue_insns): Likewise.
1304         * lower-subreg.c (resolve_simple_move): Likewise.
1305         * optabs.c (widen_operand, expand_binop): Likewise.
1306         (expand_doubleword_bswap, emit_no_conflict_block): Likewise.
1307         * reload.c (find_reloads): Likewise.
1308         * reload1.c (eliminate_regs_in_insn): Likewise.
1309         * stmt.c (expand_nl_goto_receiver): Likewise.
1310         * config/alpha/alpha.md (builtin_longjmp): Likewise.
1311         * config/arc/arc.md (*movdi_insn, *movdf_insn): Likewise.
1312         * config/arm/arm.c (arm_load_pic_register): Likewise.
1313         (thumb1_expand_epilogue, thumb_set_return_address): Likewise.
1314         * config/arm/arm.md (untyped_return): Likewise.
1315         * config/arm/linux-elf.h (PROFILE_HOOK): Likewise.
1316         * config/avr/avr.c (expand_prologue): Likewise.
1317         * config/bfin/bfin.c (do_unlink): Likewise.
1318         * config/bfin/bfin.md (<optab>di3, adddi3, subdi3): Likewise.
1319         * config/cris/cris.c (cris_expand_prologue): Likewise.
1320         * config/darwin.c (machopic_indirect_data_reference): Likewise.
1321         (machopic_legitimize_pic_address): Likewise.
1322         * config/frv/frv.c (frv_frame_access, frv_expand_epilogue): Likewise.
1323         (frv_ifcvt_modify_insn, frv_expand_mdpackh_builtin): Likewise.
1324         * config/i386/i386.c (ix86_expand_vector_move_misalign): Likewise.
1325         (ix86_expand_convert_uns_didf_sse): Likewise.
1326         (ix86_expand_vector_init_general): Likewise.
1327         * config/ia64/ia64.md (eh_epilogue): Likewise.
1328         * config/iq2000/iq2000.c (iq2000_expand_epilogue): Likewise.
1329         * config/m32c/m32c.c (m32c_emit_eh_epilogue): Likewise.
1330         * config/m32r/m32r.c (m32r_reload_lr): Likewise.
1331         (config/iq2000/iq2000.c): Likewise.
1332         * config/mips/mips.md (fixuns_truncdfsi2): Likewise.
1333         (fixuns_truncdfdi2, fixuns_truncsfsi2, fixuns_truncsfdi2): Likewise.
1334         (builtin_longjmp): Likewise.
1335         * config/mn10300/mn10300.md (call, call_value): Likewise.
1336         * config/pa/pa.md (nonlocal_goto, nonlocal_longjmp): Likewise.
1337         * config/pdp11/pdp11.md (abshi2): Likewise.
1338         * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
1339         * config/s390/s390.c (s390_emit_prologue): Likewise.
1340         * config/s390/s390.md (movmem_long, setmem_long): Likewise.
1341         (cmpmem_long, extendsidi2, zero_extendsidi2, udivmoddi4): Likewise.
1342         (builtin_setjmp_receiver, restore_stack_nonlocal): Likewise.
1343         * config/sh/sh.c (prepare_move_operands): Likewise.
1344         (output_stack_adjust, sh_expand_epilogue): Likewise.
1345         (sh_set_return_address, sh_expand_t_scc): Likewise.
1346         * config/sparc/sparc.c (load_pic_register): Likewise.
1347         * config/sparc/sparc.md (untyped_return, nonlocal_goto): Likewise.
1348         * config/spu/spu.c (spu_expand_epilogue): Likewise.
1349         * config/v850/v850.c (expand_epilogue): Likewise.
1350
1351 2008-05-31  Anatoly Sokolov  <aesok@post.ru>
1352
1353         * config/avr/avr.md (UNSPECV_WRITE_SP_IRQ_ON): New constants.
1354         (UNSPECV_WRITE_SP_IRQ_OFF): (Ditto.).
1355         (movhi_sp_r_irq_off, movhi_sp_r_irq_on): New insn.
1356         * config/avr/avr.c (expand_prologue, expand_epilogue): Use 
1357         movhi_sp_r_irq_off and movhi_sp_r_irq_on insns for writing to the 
1358         stack pointer register.
1359         (output_movhi): Remove code for interrupt specific writing to the 
1360         stack pointer register.
1361
1362 2008-05-31  Richard Guenther  <rguenther@suse.de>
1363
1364         PR tree-optimization/34244
1365         * fold-const.c (tree_expr_nonnegative_warnv_p): Do not ask VRP.
1366         (tree_expr_nonzero_warnv_p): Likewise.
1367         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
1368         ssa_name_nonnegative_p.
1369         (vrp_expr_computes_nonzero): Call ssa_name_nonzero_p.
1370         (extract_range_from_unary_expr): Use vrp_expr_computes_nonzero,
1371         not tree_expr_nonzero_warnv_p.
1372
1373         PR tree-optimization/36262
1374         Revert
1375         2007-11-29  Zdenek Dvorak  <ook@ucw.cz>
1376
1377         PR tree-optimization/34244
1378         * tree-vrp.c (adjust_range_with_scev): Clear scev cache.
1379         (record_numbers_of_iterations): New function.
1380         (execute_vrp): Cache the numbers of iterations of loops.
1381         * tree-scalar-evolution.c (scev_reset_except_niters):
1382         New function.
1383         (scev_reset): Use scev_reset_except_niters.
1384         * tree-scalar-evolution.h (scev_reset_except_niters): Declare.
1385
1386 2008-05-31  Bernd Schmidt  <bernd.schmidt@analog.com>
1387
1388         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
1389         __WORKAROUND_RETS when appropriate.
1390
1391 2008-05-31  Uros Bizjak  <ubizjak@gmail.com>
1392
1393         * config/i386/i386.md (*fop_<mode>_comm_mixed): Macroize from
1394         *fop_sf_comm_mixed and *fop_df_comm_mixed insn patterns using MODEF
1395         mode iterator.
1396         (*fop_<mode>_comm_sse): Macroize from *fop_sf_comm_sse and
1397         *fop_df_comm_sse insn patterns using MODEF mode iterator.
1398         (*fop_<mode>_comm_i387): Macroize from *fop_sf_comm_i387 and
1399         *fop_df_comm_i387 insn patterns using MODEF mode iterator.
1400         (*fop_<mode>_1_mixed): Macroize from *fop_sf_1_mixed and
1401         *fop_df_1_mixed insn patterns using MODEF mode iterator.
1402         (*fop_<mode>_1_sse): Macroize from *fop_sf_1_sse and
1403         *fop_df_1_sse insn patterns using MODEF mode iterator.
1404         (*fop_<mode>_1_i387): Macroize from *fop_sf_1_i387 and
1405         *fop_df_1_i387 insn patterns using MODEF mode iterator.
1406         (*fop_<MODEF:mode>_2_i387): Macroize from *fop_sf_2<mode>_i387 and
1407         *fop_df_2<mode>_i387 insn patterns using MODEF mode iterator.
1408         (*fop_<MODEF:mode>_3_i387): Macroize from *fop_sf_3<mode>_i387 and
1409         *fop_df_3<mode>_i387 insn patterns using MODEF mode iterator.
1410         (*fop_xf_2_i387): Rename from *fop_xf_2<mode>_i387.
1411         (*fop_xf_3_i387): Rename from *fop_xf_3<mode>_i387.
1412         (*fop_xf_4_i387): Use <MODE> for mode attribute.
1413         (*fop_xf_5_i387): Ditto.
1414         (*fop_xf_6_i387): Ditto.
1415
1416 2008-05-30  Richard Guenther  <rguenther@suse.de>
1417
1418         * builtins.c (build_string_literal): Avoid generating
1419         a non-gimple_val result.
1420
1421 2008-05-30  DJ Delorie  <dj@redhat.com>
1422
1423         * exec-tool.in: Use an environment variable (private) instead of a
1424         file (shared) as a semaphore, so as to not break parallel builds.
1425
1426 2008-05-30  Steven Bosscher  <stevenb.gcc@gmail.com>
1427
1428         * optabs.c (maybe_encapsulate_block): Remove.
1429         (emit_libcall_block): Adjust accordingly.
1430         * optabs.h (maybe_encapsulate_block): Remove prototype.
1431
1432         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address):
1433         Don't use maybe_encapsulate_block.
1434
1435 2008-05-30  Steven Bosscher  <stevenb.gcc@gmail.com>
1436
1437         * config/rs6000/rs6000.c (rs6000_legitimize_address,
1438         rs6000_legitimize_reload_address, rs6000_emit_move): Make sure an
1439         rtx is a SYMBOL_REF before calling get_pool_constant.
1440
1441 2008-05-30  Eric Botcazou  <ebotcazou@adacore.com>
1442
1443         * fold-const.c (fold_unary) <CASE_CONVERT>: Add ??? comment.
1444
1445 2008-05-30  Danny Smith  <dannysmith@users.sourceforge.net>
1446
1447         * incpath.c: Use HOST_LACKS_INODE_NUMBERS conditional
1448         rather than OS names to choose INO_T_EQ definition.
1449         (DIRS_EQ) [!INO_T_EQ]: Don't worry about case in comparison.
1450         (add_path) [!INO_T_EQ]: Use lrealpath to fill canonical_name field.
1451
1452 2008-05-29  Daniel Franke  <franke.daniel@gmail.com>
1453
1454         PR target/36348
1455         * config/darwin-f.c: New.
1456         * config/t-darwin: Added rule to build darwin-f.o.
1457         * config.gcc: Defined new variable, fortran_target_objs.
1458         (*-*-darwin*): Set fortran_target_objs.
1459         * Makefile.in: Defined new variable FORTRAN_TARGET_OBJS.
1460         * configure.ac: Substitute fortran_target_objs, set FORTRAN_TARGET_OBJS.
1461         * configure: Regenerated.
1462
1463 2008-05-29  H.J. Lu  <hongjiu.lu@intel.com>
1464
1465         PR target/35771
1466         * config/i386/i386.c (ix86_function_arg_boundary): Convert to
1467         canonical type if needed.
1468
1469 2008-05-29  Eric Botcazou  <ebotcazou@adacore.com>
1470
1471         * tree-nested.c (check_for_nested_with_variably_modified): Fix typo.
1472
1473 2008-05-29  Richard Guenther  <rguenther@suse.de>
1474
1475         PR tree-optimization/36343
1476         PR tree-optimization/36346
1477         PR tree-optimization/36347
1478         * tree-flow.h (clobber_what_p_points_to): Declare.
1479         * tree-ssa-structalias.c (set_uids_in_ptset): Whether the
1480         pointed-to variable is dereferenced is irrelevant to whether
1481         the pointer can access the pointed-to variable.
1482         (clobber_what_p_points_to): New function.
1483         * tree-ssa-alias.c (set_initial_properties): Use it.
1484         * tree-ssa.c (verify_flow_sensitive_alias_info): Adjust
1485         call clobber check for NMTs.
1486
1487 2008-05-28  Seongbae Park  <seongbae.park@gmail.com>
1488         
1489         * value-prof.c (tree_ic_transform): Use HOST_WIDEST_INT_PRINT_DEC
1490         for printing gcov_type.
1491
1492 2008-05-28  Seongbae Park  <seongbae.park@gmail.com>
1493
1494         * tree-ssa-propagate.c (set_rhs): Preserve the histogram
1495         and the eh region information.
1496         * value-prof.c (gimple_move_stmt_histograms): New function.
1497         * value-prof.h (gimple_move_stmt_histograms): New function declaration.
1498
1499 2008-05-28  Andreas Tobler  <a.tobler@schweiz.org>
1500
1501         * config/pa/pa.md: Remove extern frame_pointer_needed declaration.
1502
1503 2008-05-28  Seongbae Park <seongbae.park@gmail.com>
1504
1505         * value-prof.c (tree_ic_transform): Print counts.
1506         * tree-profile.c (tree_gen_ic_func_profiler):
1507         Clear __gcov_indreict_call_callee variable to avoid misattribution
1508         of the profile.
1509
1510 2008-05-28  Rafael Espindola  <espindola@google.com>
1511
1512         * see.c (see_def_extension_not_merged): Use copy_rtx_if_shared to avoid
1513         invalid sharing.
1514
1515 2008-05-28  Richard Guenther  <rguenther@suse.de>
1516
1517         PR tree-optimization/36339
1518         * tree-ssa-alias.c (set_initial_properties): Move pt_anything
1519         and clobbering code out of the loop.
1520
1521 2008-05-28  Andreas Krebbel  <krebbel1@de.ibm.com>
1522
1523         * config/s390/constraints.md ('b', 'C', 'D', 'e'): New constraint
1524         letters defined.
1525
1526         * config/s390/s390.c (s390_compare_and_branch_condition_mask,
1527         s390_contiguous_bitmask_p, s390_symref_operand_p,
1528         s390_check_symref_alignment, s390_reload_larl_operand,
1529         s390_reload_symref_address): New functions.
1530         (s390_branch_condition_mnemonic): Support compare and branch
1531         instructions.
1532         (s390_mem_constraint): Avoid symrefs to accepted by the 'T'
1533         and 'W' constraints.
1534         (s390_secondary_reload): Add secondary reloads for unaligned
1535         symbol refs or symbol refs to floating point or QI/TI mode
1536         integer values.
1537         (legitimate_address_p): Accept symbol references as addresses.
1538         (s390_expand_insv): Use rotate and insert selected bits
1539         instruction for insv when building for z10.
1540         (print_operand_address): Handle symbol ref addresses.
1541         (print_operand): Output modifier 'c' added for signed byte values.
1542         (s390_encode_section_info): Mark symbol refs with
1543         SYMBOL_FLAG_NOT_NATURALLY_ALIGNED if appropriate.
1544
1545         * config/s390/s390.md (SIL,RRS,RIS): New instruction formats added.
1546         (length attribute): RRF, RRR have 4 byte length.
1547         (FPALL, INTALL): New mode iterators added.
1548         (*tstdi_sign, *cmpdi_ccs_sign, *cmpsi_ccs_sign,
1549         *cmp<mode>_ccs, *cmpdi_ccu_zero, *cmpdi_ccu, *cmpsi_ccu, *cmphi_ccu,
1550         *movdi_64, *movsi_zarch, *movhi, movmem<mode>, *movmem_short,
1551         *extendsidi2, *extendhidi2_extimm, *extendhisi2_extimm,
1552         *zero_extendsidi2, adddi3, *adddi3_31z, *adddi3_31, addsi3,
1553         *add<mode>3, *add<mode>3_carry1_cc, *add<mode>3_carry2_cc,
1554         *add<mode>3_cc, *add<mode>3_imm_cc, *muldi3_sign, muldi3,
1555         *mulsi3_sign, mulsi3, mulsidi3): Patterns enhanced with z10
1556         instructions.
1557         (*cmphi_ccs_z10, *cmpdi_ccs_signhi_rl, *cmpsi_ccu_zerohi_rlsi,
1558         *cmp<GPR:mode>_ccu_zerohi_rldi, *cmp_and_br_signed_<mode>,
1559         *cmp_and_br_unsigned_<mode>, reload<INTALL:mode><P:mode>_tomem_z10,
1560         reload<INTALL:mode><P:mode>_toreg_z10,
1561         reload<FPALL:mode><P:mode>_tomem_z10,
1562         reload<FPALL:mode><P:mode>_toreg_z10,
1563         reload<P:mode>_larl_odd_addend_z10, *execute_rl, *insv<mode>_z10,
1564         *insv<mode>_z10_noshift, *insv<mode>_or_z10_noshift,
1565         *zero_extendhi<mode>2_z10, *cmp_and_trap_signed_int<mode>,
1566         *cmp_and_trap_unsigned_int<mode>, prefetch): New pattern or expander
1567         definition.
1568         (movmem, clrmem, cmpmem): New splitters added.
1569
1570         * config/s390/predicates.md (larl_operand): Use
1571         SYMBOL_REF_FLAGS (op) & SYMBOL_FLAG_ALIGN1 replaced with
1572         SYMBOL_REF_ALIGN1_P.
1573         (s390_signed_integer_comparison,
1574         s390_unsigned_integer_comparison): New predicates.
1575
1576         * config/s390/s390-protos.h (s390_check_symref_alignment,
1577         s390_contiguous_bitmask_p, s390_reload_larl_operand,
1578         s390_reload_symref_address,
1579         s390_compare_and_branch_condition_mask): Prototypes added.
1580
1581         * config/s390/s390.h (TARGET_MEM_CONSTRAINT,
1582         SYMBOL_REF_ALIGN1_P, SYMBOL_FLAG_NOT_NATURALLY_ALIGNED,
1583         SYMBOL_REF_NOT_NATURALLY_ALIGNED_P): Macro definition added.
1584
1585 2008-05-28  Andreas Krebbel  <krebbel1@de.ibm.com>
1586
1587         * config/s390/s390.c (z10_cost): New cost function for z10.
1588         (s390_handle_arch_option, override_options): Support -march=z10 switch.
1589         (s390_issue_rate): Adjust issue rate for z10.
1590         * config/s390/s390.h (processor_type): Add PROCESSOR_2097_Z10.
1591         (processor_flags): Add PF_Z10.
1592         (TARGET_CPU_Z10, TARGET_Z10): New macro definitions.
1593         * config/s390/s390.md (cpu, cpu_facility attributes): Add z10.
1594         * gcc/config.gcc: Add z10.
1595
1596 2008-05-28  Richard Guenther  <rguenther@suse.de>
1597
1598         PR tree-optimization/36291
1599         * tree-flow. h (struct gimple_df): Remove var_anns member.
1600         * tree-flow-inline.h (gimple_var_anns): Remove.
1601         (var_ann): Simplify.
1602         * tree-dfa.c (create_var_ann): Simplify.
1603         (remove_referenced_var): Clear alias info from var_anns of globals.
1604         * tree-ssa.c (init_tree_ssa): Do not allocate var_anns.
1605         (delete_tree_ssa): Clear alias info from var_anns of globals.
1606         Do not free var_anns.
1607         (var_ann_eq): Remove.
1608         (var_ann_hash): Likewise.
1609
1610 2008-05-28  Mark Shinwell  <shinwell@codesourcery.com>
1611
1612         * config/mips/mips.c (mips_cpu_info_table): Add loongson2e
1613         and loongson2f entries.
1614         (mips_rtx_cost_data): Add entries for Loongson-2E/2F.
1615         * config/mips/mips.h (processor_type): Add Loongson-2E
1616         and Loongson-2F entries.
1617         (TARGET_LOONGSON_2E, TARGET_LOONGSON_2F, TARGET_LOONGSON_2EF): New.
1618         (MIPS_ISA_LEVEL_SPEC): Handle Loongson-2E/2F.
1619         * config/mips/mips.md (define_attr cpu): Add loongson2e and loongson2f.
1620         * doc/invoke.texi (MIPS Options): Document loongson2e
1621         and loongson2f processor names.
1622
1623 2008-05-27  H.J. Lu  <hongjiu.lu@intel.com>
1624
1625         PR target/35767
1626         PR target/35771
1627         * config/i386/i386.c (ix86_function_arg_boundary): Use
1628         alignment of canonical type.
1629         (ix86_expand_vector_move): Check unaligned memory access for
1630         all SSE modes.
1631
1632 2008-05-27  H.J. Lu  <hongjiu.lu@intel.com>
1633
1634         * dwarf2out.c (current_fde): Change return type to dw_fde_ref.
1635         Moved to the front of file.
1636
1637 2008-05-27  Xuepeng Guo  <xuepeng.guo@intel.com>
1638             H.J. Lu  <hongjiu.lu@intel.com>
1639
1640         * dwarf2out.c (current_fde): New.
1641         (add_cfi): Use it.
1642         (lookup_cfa:): Likewise.
1643         (dwarf2out_end_epilogue): Likewise.
1644         (dwarf2out_note_section_used): Likewise.
1645
1646 2008-05-27  Michael Matz  <matz@suse.de>
1647
1648         PR c++/27975
1649         * c.opt (Wenum-compare): New warning option.
1650         * doc/invoke.texi  (Warning Options): Document -Wenum-compare.
1651
1652 2008-05-27  Michael Matz  <matz@suse.de>
1653
1654         PR middle-end/36326
1655         * tree-gimple.c (is_gimple_mem_rhs): Remove work-around for
1656         non-BLKmode types.
1657         * tree-tailcall.c (find_tail_calls): Don't mark calls storing
1658         into memory as tail calls.
1659
1660 2008-05-27  Richard Guenther  <rguenther@suse.de>
1661
1662         PR tree-optimization/36339
1663         * tree-ssa-alias.c (set_initial_properties): Escaped pt_anything
1664         pointers cause all addressable variables to be call clobbered.
1665
1666 2008-05-27  Richard Guenther  <rguenther@suse.de>
1667
1668         PR tree-optimization/36245
1669         * tree-ssa-address.c (add_to_parts): Deal with non-pointer bases.
1670
1671 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
1672
1673         * config/s390/s390.md: Replace all occurences of the 'm'
1674         constraint with 'RT'.
1675
1676 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
1677
1678         * config/s390/s390.md ("cpu_facility", "enabled"): Attribute
1679         definitions added.
1680         ("*movdi_64dfp", "*movdi_64extimm", "*movdi_64"): Merged into
1681         "*movdi_64".
1682         ("*anddi3_extimm", "*anddi3"): Merged into "*anddi3".
1683         ("*iordi3_extimm", "*iordi3"): Merged into "*iordi3".
1684         ("*xordi3_extimm", "*xordi3"): Merged into "*xordi3".
1685
1686 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
1687
1688         * reload.c: (find_reloads): Skip alternatives according to the
1689         "enabled" attribute. Constify the constraint variable.
1690         * recog.c (get_attr_enabled): Add default implementation.
1691         (extract_insn): Set the alternative_enabled_p array
1692         in the recog_data struct.
1693         (preprocess_constraints, constrain_operands): Skip
1694         alternatives according to the "enabled" attribute
1695         * recog.h (struct recog_data): New field alternative_enabled_p.
1696         (skip_alternative): New inline function.
1697         * regclass.c: (record_operand_costs): Check the "enabled" attribute.
1698         (record_reg_classes): Skip alternative according to the
1699         "enabled" attribute.
1700
1701         * doc/md.texi: Add documention for the "enabled" attribute.
1702
1703 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
1704
1705         * defaults.h (TARGET_MEM_CONSTRAINT): New target macro added.
1706         * postreload.c (reload_cse_simplify_operands): Replace 'm'
1707         constraint with TARGET_MEM_CONSTRAINT.
1708         * recog.c (asm_operand_ok, preprocess_constraints,
1709         constrain_operands): Likewise.
1710         * regclass.c (record_reg_classes): Likewise.
1711         * reload.c (find_reloads, alternative_allows_const_pool_ref): Likewise.
1712         * reload1.c (maybe_fix_stack_asms): Likewise.
1713         * stmt.c (parse_output_constraint, parse_input_constraint): Likewise.
1714         * recog.h: Adjust comment.
1715         * genpreds.c (generic_constraint_letters): Remove 'm' constraint.
1716         * genoutput.c (note_constraint): Don't emit error for 'm' constraint.
1717         * doc/md.texi: Add a note to description of 'm' constraint.
1718         * doc/tm.texi: Document the new TARGET_MEM_CONSTRAINT macro.
1719
1720 2008-05-27  Eric Botcazou  <ebotcazou@adacore.com>
1721
1722         * tree-sra.c (sra_type_can_be_decomposed_p) <RECORD_TYPE>: Make sure
1723         that the bitfield is of integral type before testing its precision.
1724
1725 2008-05-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
1726             Sa Liu  <saliu@de.ibm.com> 
1727
1728         * config/spu/spu.c (spu_init_libfuncs): Add __multi3, __divti3, 
1729         __modti3, __udivti3, __umodti3 and __udivmodti4.
1730         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add files
1731         that implement TImode mul and div functions.
1732         * config/spu/multi3.c: New. Implement __multi3.
1733         * config/spu/divmodti4.c: New. Implement _udivmodti4 and others.
1734         * testsuite/gcc.target/spu/muldivti3.c: New. Test TImode mul and div
1735         functions on SPU.
1736
1737 2008-05-26  Steven Bosscher  <stevenb.gcc@gmail.com>
1738
1739         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Generate
1740         new tls_gd_* and tls_ld_* insns instead of an insn sequence.
1741         * config/rs6000/rs6000.md (TLSmode, tls_abi_suffix, tls_insn_suffix,
1742         tls_sysv_suffix): New mode and mode attribute iterators.
1743         (tls_gd_32, tls_gd_64, tls_ld_32, tls_ld_64): Remove.
1744         (lts_gd_aix*, tls_gd_sysv*, tls_ld_aix*, tls_ld_sysv*): New patterns.
1745         (tls_dtprel_*, tls_dtprel_ha_*, tls_dtprel_lo_*, tls_got_dtprel_*,
1746         tls_tprel_*, tls_tprel_ha_*, tls_tprel_lo_*, tls_got_tprel_*,
1747         tls_tls_*): Merge 32 bit and 64 bit variants using aforementioned
1748         iterators.
1749
1750 2008-05-26  Eric Botcazou  <ebotcazou@adacore.com>
1751
1752         PR tree-optimization/36329
1753         * tree.h (CALL_CANNOT_INLINE_P): Add access check.
1754         * tree-gimple.h (CALL_STMT_CANNOT_INLINE_P): New macro.
1755         * cgraphbuild.c (initialize_inline_failed): Use the latter
1756         macro in lieu of the former.
1757         * ipa-inline.c (cgraph_mark_inline): Likewise.
1758         (cgraph_decide_inlining_of_small_function): Likewise.
1759         (cgraph_decide_inlining): Likewise.
1760         (cgraph_decide_inlining_incrementally): Likewise.
1761
1762 2008-05-26  Tristan Gingold  <gingold@adacore.com>
1763             Anatoly Sokolov  <aesok@post.ru>
1764
1765         * config/avr/avr.md ("call_prologue_saves"): Use hi8(gs())/lo8(gs())
1766         instead of pm_lo8/pm_hi8 to makes this call working on avr6.
1767         * config/avr/avr.c (expand_prologue): Tune "call_prologue" 
1768         optimization for 'avr6' architecture.
1769
1770 2008-05-26  Andy Hutchinson  <hutchinsonandy@aim.com>
1771
1772         PR target/34932
1773         * config/avr/avr.md (*addhi3_zero_extend2): Remove.
1774
1775 2008-05-26  Richard Guenther  <rguenther@suse.de>
1776
1777         * tree-ssa-sccvn.c (expr_has_constants): Declare.
1778         (visit_reference_op_load): Initialize VN_INFO->has_constants properly.
1779
1780 2008-05-26  H.J. Lu  <hongjiu.lu@intel.com>
1781
1782         PR middle-end/36253
1783         * caller-save.c (insert_restore): Verify alignment of spill space.
1784         (insert_save): Likewise.
1785         * cfgexpand.c (LOCAL_ALIGNMENT): Removed.
1786         * defaults.h (LOCAL_ALIGNMENT): New. Provide default.
1787         (STACK_SLOT_ALIGNMENT): Likewise.
1788         * function.c (LOCAL_ALIGNMENT): Removed.
1789         (get_stack_local_alignment): New.
1790         (assign_stack_local): Use it.  Set alignment on stack slot.
1791         (assign_stack_temp_for_type): Use get_stack_local_alignment.
1792         * config/i386/i386.h (LOCAL_ALIGNMENT): Updated.
1793         (STACK_SLOT_ALIGNMENT): New.
1794         * config/i386/i386.c (ix86_local_alignment): Handle caller-save
1795         stack slot in XFmode.
1796
1797         * doc/tm.texi (STACK_SLOT_ALIGNMENT): New.
1798
1799 2008-05-26  Kai Tietz  <kai.tietz@onevision.com>
1800
1801         PR/36321
1802         * config/i386/i386.md (allocate_stack_worker_64): Make sure
1803         argument operand in rax isn't removed.
1804
1805 2008-05-26  Richard Guenther  <rguenther@suse.de>
1806
1807         PR middle-end/36300
1808         * fold-const.c (extract_muldiv_1): Use TYPE_OVERFLOW_WRAPS,
1809         not TYPE_UNSIGNED.  Use TYPE_PRECISION instead of GET_MODE_SIZE.
1810
1811 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
1812
1813         PR bootstrap/36331
1814         * c-cppbuiltin.c (define__GNUC__): Re-add definition of __GNUG__.
1815
1816 2008-05-26  Dominique Dhumieres  <dominiq@lps.ens.fr>
1817
1818         * config/darwin-c.c: Include "incpath.h" instead of "c-incpath.h".
1819         * config/t-darwin: Use "incpath.h" instead of "c-incpath.h".
1820
1821 2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>
1822
1823         * tree-nested.c (convert_tramp_reference) <ADDR_EXPR>: Do not
1824         build a trampoline if we don't want one.
1825         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Do not
1826         return zero for nested functions if we don't want a trampoline.
1827
1828 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
1829
1830         * doc/invoke.texi: Added f77, f77-cpp-input to list of file types.
1831
1832 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
1833
1834         PR fortran/18428
1835         * c.opt: Removed undocumented option '-lang-fortran'.
1836         * c-common.h: Removed global variable 'lang_fortran'.
1837         * c-opts.c (c_common_handle_option): Removed code to handle
1838         option '-lang-fortran'. Updated includes.
1839         * c-cppbuiltin.c (c_cpp_builtins): Removed conditional
1840         definition of '__GFORTRAN__'.
1841         (define__GNUC__): Reimplemented to use BASEVER and
1842         cpp_define_formatted.
1843         (builtin_define_with_value_n): Removed.
1844         * c-incpath.h: Renamed to ...
1845         * incpath.h: ... this.
1846         * c-incpath.c: Renamed to ...
1847         * incpath.c: ... this. Updated includes.
1848         * fix-header.c: Updated includes.
1849         * Makefile.in: Replaced c-incpath.[ch] by incpath.[ch].
1850         (c-cppbuiltin.o): Added dependency on and definition of BASEVER.
1851         (OBJ-archive): Added cppdefault.o, incpath.o and prefix.o.
1852
1853 2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>
1854
1855         * tree.h: Update the table of flags used on tree nodes.
1856         (TREE_NO_TRAMPOLINE): New accessor for static_flag.
1857         (SAVE_EXPR_RESOLVED_P): Use automatically-built access check.
1858         (FORCED_LABEL): Add access check.
1859         (CALL_EXPR_RETURN_SLOT_OPT): Likewise.
1860         (ASM_INPUT_P): Likewise.
1861         (ASM_VOLATILE_P): Likewise.
1862         (EH_FILTER_MUST_NOT_THROW): Access static_flag directly.
1863         (OMP_SECTION_LAST): Access private_flag directly.
1864         (OMP_RETURN_NOWAIT): Likewise.
1865         (OMP_PARALLEL_COMBINED): Likewise.
1866         (OMP_CLAUSE_PRIVATE_DEBUG): Access public_flag directly.
1867         (OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE): Likewise.
1868         * tree-ssa-propagate.c (STMT_IN_SSA_EDGE_WORKLIST): Access
1869         deprecated_flag directly.
1870
1871 2008-05-25  H.J. Lu  <hongjiu.lu@intel.com>
1872
1873         * final.c (frame_pointer_needed): Removed.
1874         * flags.h (frame_pointer_needed): Likewise.
1875
1876         * function.h (rtl_data): Add frame_pointer_needed.
1877         (frame_pointer_needed): New.
1878
1879 2008-05-25  Arthur Loiret  <arthur.loiret@u-psud.fr>
1880
1881         * config.gcc (sh2[lbe]*-*-linux*): Allow target.
1882
1883 2008-05-25  Steven Bosscher  <stevenb.gcc@gmail.com>
1884
1885         * gcse.c (hash_scan_set): Do not pick up a REG_EQUAL value if
1886         SRC is a REG.
1887
1888 2008-05-25  Alan Modra  <amodra@bigpond.net.au>
1889
1890         * c-common.c (strip_array_types): Move function to..
1891         * tree.c: ..here.
1892         (get_inner_array_type): Delete.
1893         * c-common.h (strip_array_types): Move declaration to..
1894         * tree.h: ..here.
1895         (get_inner_array_type): Delete.
1896         * config/i386/i386.c (x86_field_alignment): Use strip_array_types.
1897         * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Likewise.
1898         * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
1899         * config/pa/pa.c (emit_move_sequence): Likewise.
1900
1901 2008-05-24  H.J. Lu  <hongjiu.lu@intel.com>
1902
1903         * config/i386/i386.md (*sse_prologue_save_insn): Set length
1904         attribute to 34.
1905
1906 2008-05-24  Andy Hutchinson  <hutchinsonandy@aim.com>
1907
1908         * function.c: Include target hook for nonlocal_goto frame value.
1909
1910 2008-05-24  Richard Guenther  <rguenther@suse.de>
1911
1912         * tree-dfa.c (refs_may_alias_p): Re-instantiate case that a scalar
1913         variable can be only accessed through a pointer or a union.
1914
1915 2008-05-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1916
1917         * builtins.c (fold_builtin_fpclassify): Fix spelling of FP_INFINITE.
1918         * doc/extend.texi: Likewise.
1919
1920 2008-05-23  DJ Delorie  <dj@redhat.com>
1921
1922         * config/m32c/jump.md (untyped_call): Add.
1923
1924         * config/m32c/m32c.c (m32c_return_addr_rtx): Change pointer type
1925         for A24 to PSImode.
1926         (m32c_address_cost): Detail costs for indirect offsets.
1927
1928 2008-05-23  Rafael Espindola  <espindola@google.com>
1929
1930         * see.c (see_get_extension_data): Don't use SUBREG_REG to test
1931         if a node is a SUBREG.
1932         (see_analyze_one_def): Don't use SUBREG_REG to test if a node
1933         is a SUBREG.
1934
1935 2008-05-23  Paul Brook  <paul@codesourcery.com>
1936             Carlos O'Donell  <carlos@codesourcery.com>
1937
1938         * doc/extend.texi: Clarify use of __attribute__((naked)).
1939         * doc/tm.texi: Document TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
1940         * target.h (gcc_target): Add allocate_stack_slots_for_args.
1941         * function.c (use_register_for_decl): Use
1942         targetm.calls.allocate_stack_slots_for_args.
1943         * target-def.h (TARGET_CALLS): Add TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
1944         * config/arm/arm.c (arm_allocate_stack_slots_for_args): New function.
1945         (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Define.
1946
1947 2008-05-23  Eric Botcazou  <ebotcazou@adacore.com>
1948
1949         * expr.c (highest_pow2_factor) <BIT_AND_EXPR>: New case.
1950
1951 2008-05-23  Steven Munroe  <sjmunroe@us.ibm.com>
1952
1953         * config/rs6000/darwin-ldouble.c (fmsub): Eliminate the full
1954         PACK/UNPACK between FP_SUB_Q and FD_TRUNC so that the result
1955         is only rounded once.
1956
1957 2008-05-23  Richard Guenther  <rguenther@suse.de>
1958
1959         * tree-ssa-operands.c (mark_difference_for_renaming): Use bitmap_xor.
1960
1961 2008-05-23  Uros Bizjak  <ubizjak@gmail.com>
1962             Jakub Jelinek  <jakub@redhat.com>
1963
1964         PR target/36079
1965         * configure.ac: Handle --enable-cld.
1966         * configure: Regenerated.
1967         * config.gcc: Add USE_IX86_CLD to tm_defines for x86 targets.
1968         * config/i386/i386.h (struct machine_function): Add needs_cld field.
1969         (ix86_current_function_needs_cld): New define.
1970         * config/i386/i386.md (UNSPEC_CLD): New unspec volatile constant.
1971         (cld): New isns pattern.
1972         (strmov_singleop, rep_mov, strset_singleop, rep_stos, cmpstrnqi_nz_1,
1973         cmpstrnqi_1, strlenqi_1): Set ix86_current_function_needs_cld flag.
1974         * config/i386/i386.opt (mcld): New option.
1975         * config/i386/i386.c (ix86_expand_prologue): Emit cld insn if
1976         TARGET_CLD and ix86_current_function_needs_cld.
1977         (override_options): Use -mcld by default for 32-bit code if
1978         USE_IX86_CLD.
1979
1980         * doc/install.texi (Options specification): Document --enable-cld.
1981         * doc/invoke.texi (Machine Dependent Options)
1982         [i386 and x86-64 Options]: Add -mcld option.
1983         (Intel 386 and AMD x86-64 Options): Document -mcld option.
1984
1985 2008-05-23  Kai Tietz  <kai.tietz@onevison.com>
1986         * config/i386/i386.c (return_in_memory_32): Add ATTRIBUTE_UNUSED.
1987         (return_in_memory_64): Likewise.
1988         (return_in_memory_ms_64): Likewise.
1989
1990 2008-05-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1991
1992         * builtin-types.def (BT_FN_INT_INT_INT_INT_INT_INT_VAR): New.
1993         * builtins.c (fold_builtin_fpclassify): New.
1994         (fold_builtin_varargs): Handle BUILT_IN_FPCLASSIFY.
1995         * builtins.def (BUILT_IN_FPCLASSIFY): New.
1996         * c-common.c (handle_type_generic_attribute): Adjust to accept
1997         fixed arguments before an elipsis.
1998         (check_builtin_function_arguments): Handle BUILT_IN_FPCLASSIFY.
1999         * doc/extend.texi: Document __builtin_fpclassify.
2000
2001 2008-05-22  Aldy Hernandez  <aldyh@redhat.com>
2002
2003         * omp-low.c (gate_expand_omp_ssa): Remove.
2004         (pass_expand_omp_ssa): Remove.
2005         (gate_expand_omp): Do not check for flag_openmp_ssa.
2006         * common.opt (-fopenmp-ssa): Remove.
2007         * passes.c (init_optimization_passes): Remove pass_expand_omp_ssa.
2008
2009 2008-05-22  Kaz Kojima  <kkojima@gcc.gnu.org>
2010
2011         * config/sh/sh.opt (mfixed-range): New option.
2012         * config/sh/sh-protos.h (sh_fix_range): Declare.
2013         * config/sh/sh.c (sh_fix_range): New function.
2014         * config/sh/sh.h (sh_fixed_range_str): Declare.
2015         (OVERRIDE_OPTIONS): Call sh_fix_range if sh_fixed_range_str
2016         is not empty.
2017         * doc/invoke.texi (SH Options): Document -mfixed-range.
2018
2019 2008-05-22  Kai Tietz  <kai.tietz@onevision.com>
2020
2021         * config/i386/sol2-10.h (SUBTARGET_RETURN_IN_MEMORY): Undefine
2022         it before the redeclaration.
2023
2024 2008-05-22  Anatoly Sokolov <aesok@post.ru>
2025
2026         * config/avr/avr.c (get_sequence_length): Add new function.
2027         (expand_prologue, expand_epilogue): Remove duplicate code.
2028
2029 2008-05-22  Rafael Espindola  <espindola@google.com>
2030
2031         * see.c (see_pre_insert_extensions): Use copy_rtx to avoid invalid rtx
2032         sharing.
2033
2034 2008-05-22  H.J. Lu  <hongjiu.lu@intel.com>
2035
2036         * defaults.h (UNITS_PER_SIMD_WORD): Add scalar mode as argument.
2037         * doc/tm.texi (UNITS_PER_SIMD_WORD): Likewise.
2038
2039         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Replace
2040         UNITS_PER_SIMD_WORD with GET_MODE_SIZE (TYPE_MODE (vectype)).
2041         (vect_update_misalignment_for_peel): Likewise.
2042         (vector_alignment_reachable_p): Likewise.
2043         * tree-vect-transform.c (vectorizable_load): Likewise.
2044         * tree-vectorizer.c (vect_supportable_dr_alignment): Likewise.
2045         (get_vectype_for_scalar_type): Pass mode of scalar_type
2046         to UNITS_PER_SIMD_WORD.
2047
2048         * config/arm/arm.h (UNITS_PER_SIMD_WORD): Updated.
2049         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Likewise.
2050         * config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
2051         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
2052         * config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.
2053
2054 2008-05-22  Ira Rosen  <irar@il.ibm.com>
2055
2056         PR tree-optimization/36293
2057         * tree-vect-transform.c (vect_transform_strided_load): Don't check
2058         if the first load must be skipped because of a gap.
2059
2060 2008-05-22  Richard Guenther  <rguenther@suse.de>
2061
2062         * tree-dfa.c (refs_may_alias_p): Exit early if possible.  Handle
2063         more cases of offset disambiguation that is possible if
2064         strict-aliasing rules apply.
2065         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Use refs_may_alias_p
2066         for basic offset and type-based disambiguation.
2067
2068 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
2069
2070         * config/i386/i386.c (ix86_expand_vector_init_one_var): Use
2071         ix86_expand_vector_set on V16QImode for SSE4.1.
2072
2073 2008-05-21  Tom Tromey  <tromey@redhat.com>
2074
2075         * c.opt (Wimport): Mark as undocumented.
2076         * doc/invoke.texi (Option Summary): Don't mention -Wimport or
2077         -Wno-import.
2078         (Warning Options): Likewise.
2079         * doc/cppopts.texi: Don't mention -Wimport.
2080
2081 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
2082
2083         PR tree-optimization/36287
2084         PR tree-optimization/36286
2085         * lambda-code.c (build_access_matrix): Do not use the loop->num
2086         for computing the number of induction variables: use the loop depth
2087         instead.
2088
2089 2008-05-21  Kai Tietz  <kai.tietz@onevision.com>
2090
2091         PR/36280
2092         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Honor
2093         option -f(no-)leading-underscore.
2094
2095 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
2096
2097         * config/i386/i386.c (ix86_expand_vector_init_general): Use
2098         GET_MODE_NUNITS (mode).
2099
2100 2008-05-21  Peter Bergner  <bergner@vnet.ibm.com>
2101
2102         * doc/invoke.texi: Add cpu_type's 464 and 464fp.
2103         (-mmulhw): Add 464 to description.
2104         (-mdlmzb): Likewise.
2105         * config.gcc: Handle --with-cpu=464 and --with-cpu=464fp.
2106         * config/rs6000/rs6000.c (processor_target_table): Add 464 and
2107         464fp entries.
2108         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add 464 and 464fp support.
2109         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include -mcpu=464.
2110         * config/rs6000/rs6000.md: Update comments for 464.
2111
2112 2008-05-21  Janis Johnson  <janis187@us.ibm.com>
2113
2114         * doc/sourcebuild.texi (Test Directives): Add dg-xfail-run-if.
2115
2116 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
2117
2118         * config/i386/sse.md (vec_extractv4sf): Removed.
2119         (vec_extractv2df): Likewise.
2120         (vec_extractv2di): Likewise.
2121         (vec_extractv4si): Likewise.
2122         (vec_extractv8hi): Likewise.
2123         (vec_extractv16qi): Likewise.
2124         (vec_extract<mode>): New.
2125
2126 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
2127
2128         * config/i386/sse.md (vec_setv4sf): Removed.
2129         (vec_setv2df): Likewise.
2130         (vec_setv2di): Likewise.
2131         (vec_setv4si): Likewise.
2132         (vec_setv8hi): Likewise.
2133         (vec_setv16qi): Likewise.
2134         (vec_set<mode>): New.
2135
2136 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
2137
2138         * config/i386/i386.c (ix86_expand_vector_init_general): Remove
2139         goto for vec_concat and vec_interleave.
2140
2141 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
2142
2143         * config/i386/sse.md (vec_initv4sf): Removed.
2144         (vec_initv2df): Likewise.
2145         (vec_initv2di): Likewise.
2146         (vec_initv4si): Likewise.
2147         (vec_initv8hi): Likewise.
2148         (vec_initv16qi): Likewise.
2149         (vec_init<mode>): New.
2150
2151 2008-05-21  Joseph Myers  <joseph@codesourcery.com>
2152
2153         * collect2.c (find_a_file): Use IS_ABSOLUTE_PATH.
2154
2155 2008-05-21  Tom Tromey  <tromey@redhat.com>
2156
2157         * ggc-zone.c (lookup_page_table_if_allocated): New function.
2158         (zone_find_object_offset): Likewise.
2159         (gt_ggc_m_S): Likewise.
2160         (highest_bit): Likewise.
2161         * ggc-page.c (gt_ggc_m_S): New function.
2162         * stringpool.c (string_stack): Remove.
2163         (init_stringpool): Update.
2164         (ggc_alloc_string): Use ggc_alloc.
2165         (maybe_delete_ident): New function.
2166         (ggc_purge_stringpool): Likewise.
2167         (gt_ggc_m_S): Remove.
2168         * ggc-common.c (ggc_protect_identifiers): New global.
2169         (ggc_mark_roots): Call ggc_purge_stringpool.  Use
2170         ggc_protect_identifiers.
2171         * ggc.h (ggc_protect_identifiers): Declare.
2172         (gt_ggc_m_S): Update.
2173         (ggc_purge_stringpool): Declare.
2174         * toplev.c (compile_file): Set and reset ggc_protect_identifiers.
2175         * gengtype.c (write_types_process_field) <TYPE_STRING>: Remove
2176         special case.
2177         (write_root): Cast gt_ggc_m_S to gt_pointer_walker.
2178
2179 2008-05-21  David S. Miller  <davem@davemloft.net>
2180
2181         * config.gcc (sparc-*-linux*): Always include sparc/t-linux in
2182         tmake_file.
2183
2184 2008-05-21  Eric Botcazou  <ebotcazou@adacore.com>
2185
2186         * cfgexpand.c (tree_expand_cfg): Zap the EH throw statement table
2187         once finished.
2188
2189 2008-05-20  David Daney  <ddaney@avtrex.com>
2190
2191         * config/mips/mips.md (UNSPEC_SYNC_NEW_OP_12,
2192         UNSPEC_SYNC_OLD_OP_12, UNSPEC_SYNC_EXCHANGE_12): New define_constants.
2193         (UNSPEC_SYNC_EXCHANGE, UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
2194         UNSPEC_UPDATE_GOT_VERSION): Renumber.
2195         (optab, insn): Add 'plus' and 'minus' to define_code_attr.
2196         (atomic_hiqi_op): New define_code_iterator.
2197         (sync_compare_and_swap<mode>): Call mips_expand_atomic_qihi instead of
2198         mips_expand_compare_and_swap_12.
2199         (compare_and_swap_12): Use MIPS_COMPARE_AND_SWAP_12 instead of
2200         MIPS_COMPARE_AND_SWAP_12_0.  Pass argument to MIPS_COMPARE_AND_SWAP_12.
2201         (sync_<optab><mode>, sync_old_<optab><mode>,
2202         sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
2203         sync_new_nand<mode>): New define_expands for HI and QI mode operands.
2204         (sync_<optab>_12, sync_old_<optab>_12, sync_new_<optab>_12,
2205         sync_nand_12, sync_old_nand_12, sync_new_nand_12): New insns.
2206         (sync_lock_test_and_set<mode>): New define_expand for HI and QI modes.
2207         (test_and_set_12): New insn.
2208         (sync_old_add<mode>, sync_new_add<mode>, sync_old_<optab><mode>,
2209         sync_new_<optab><mode>, sync_old_nand<mode>,
2210         sync_new_nand<mode>, sync_lock_test_and_set<mode>):  Add early
2211         clobber to operand 0 for SI and DI mode insns.
2212         * config/mips/mips-protos.h (mips_gen_fn_6, mips_gen_fn_5,
2213         mips_gen_fn_4): New typedefs.
2214         (mips_gen_fn_ptrs): Define new union type.
2215         (mips_expand_compare_and_swap_12): Remove declaration.
2216         (mips_expand_atomic_qihi): Declare function.
2217         * config/mips/mips.c (mips_expand_compare_and_swap_12): Rename to...
2218         (mips_expand_atomic_qihi): ... this.  Use new generator function
2219         parameter.
2220         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): Add OPS parameter.
2221         (MIPS_COMPARE_AND_SWAP_12_0): Delete macro.
2222         (MIPS_COMPARE_AND_SWAP_12_ZERO_OP, MIPS_COMPARE_AND_SWAP_12_NONZERO_OP,
2223         MIPS_SYNC_OP_12, MIPS_SYNC_OP_12_NOT_NOP,
2224         MIPS_SYNC_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12,
2225         MIPS_SYNC_OLD_OP_12_NOT_NOP, MIPS_SYNC_OLD_OP_12_NOT_NOP_REG,
2226         MIPS_SYNC_OLD_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12_NOT_NOT_REG,
2227         MIPS_SYNC_NEW_OP_12, MIPS_SYNC_NEW_OP_12_NOT_NOP,
2228         MIPS_SYNC_NEW_OP_12_NOT_NOT, MIPS_SYNC_EXCHANGE_12,
2229         MIPS_SYNC_EXCHANGE_12_ZERO_OP, MIPS_SYNC_EXCHANGE_12_NONZERO_OP):
2230         New macros.
2231
2232 2008-05-20  H.J. Lu  <hongjiu.lu@intel.com>
2233
2234         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Add
2235         the missing break.
2236
2237 2008-05-20  Anatoly Sokolov <aesok@post.ru>
2238
2239         * config/avr/avr.h (machine_function): Add 'is_OS_main' field.
2240         * config/avr/avr.c (avr_OS_main_function_p): Add new function.
2241         (avr_attribute_table): Add 'OS_main' function attribute.
2242         (avr_regs_to_save, expand_prologue, expand_epilogue): Handle
2243         functions with 'OS_main' attribute.
2244
2245 2008-05-20  Richard Guenther  <rguenther@suse.de>
2246
2247         PR tree-optimization/35204
2248         * tree-ssa-sccvn.c (extract_and_process_scc_for_name): New
2249         helper, split out from ...
2250         (DFS): ... here.  Make the DFS walk non-recursive.
2251
2252 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
2253             Jan Sjodin  <jan.sjodin@amd.com>
2254
2255         PR tree-optimization/36181
2256         * tree-parloops.c (loop_has_vector_phi_nodes): New.
2257         (parallelize_loops): Don't parallelize when the loop has vector
2258         phi nodes.
2259
2260 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
2261             Sebastian Pop  <sebastian.pop@amd.com>
2262
2263         * tree-loop-linear.c (gather_interchange_stats): Look in the access
2264         matrix, and never look at the tree representation of the memory
2265         accesses.
2266         (linear_transform_loops): Computes parameters and access matrices.
2267         * tree-data-ref.c (compute_data_dependences_for_loop): Returns false
2268         when fails.
2269         (access_matrix_get_index_for_parameter): New.
2270         * tree-data-ref.h (struct access_matrix): New.
2271         (AM_LOOP_NEST_NUM, AM_NB_INDUCTION_VARS, AM_PARAMETERS, AM_MATRIX,
2272         AM_NB_PARAMETERS, AM_CONST_COLUMN_INDEX, AM_NB_COLUMNS,
2273         AM_GET_SUBSCRIPT_ACCESS_VECTOR, AM_GET_ACCESS_MATRIX_ELEMENT,
2274         am_vector_index_for_loop): New.
2275         (struct data_reference): Add field access_matrix.
2276         (DR_ACCESS_MATRIX): New.
2277         (compute_data_dependences_for_loop): Update declaration.
2278         (lambda_collect_parameters, lambda_compute_access_matrices): Declared.
2279         * lambda.h (lambda_vector_vec_p): Declared.
2280         * lambda-code.c: Depend on pointer-set.h.
2281         (lambda_collect_parameters_from_af, lambda_collect_parameters,
2282         av_for_af_base, av_for_af, build_access_matrix,
2283         lambda_compute_access_matrices): New.
2284         * Makefile.in (lambda-code.o): Depend on pointer-set.h.
2285
2286 2008-05-20  Joseph Myers  <joseph@codesourcery.com>
2287
2288         * doc/install.texi2html: Generate gcc-vers.texi in $DESTDIR not
2289         $SOURCEDIR/include.
2290
2291 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
2292             Sebastian Pop  <sebastian.pop@amd.com>
2293
2294         PR tree-optimization/36206
2295         * tree-scalar-evolution.c: Remove enum INSERT_SUPERLOOP_CHRECS,
2296         FOLD_CONVERSIONS.
2297         (instantiate_scev_1): Rename flags to fold_conversions.
2298         Do not check for INSERT_SUPERLOOP_CHRECS, keep SSA_NAMEs defined
2299         outeside instantiation_loop.
2300         * tree-chrec.h (evolution_function_is_affine_in_loop): New.
2301         (evolution_function_is_affine_or_constant_p): Removed.
2302         * tree-data-ref.c (dr_analyze_indices): Replace resolve_mixers with
2303         instantiate_scev.
2304         (analyze_siv_subscript): Pass in the loop nest number.
2305         Call evolution_function_is_affine_in_loop instead of 
2306         evolution_function_is_affine_p.
2307         (analyze_overlapping_iterations): Pass in the loop nest number.
2308
2309 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
2310             Sebastian Pop  <sebastian.pop@amd.com>
2311
2312         PR tree-optimization/36206
2313         * tree-chrec.h (chrec_fold_op): New.
2314         * tree-data-ref.c (initialize_matrix_A): Traverse NOP_EXPR, PLUS_EXPR,
2315         and other trees.
2316
2317 2008-05-20  Nathan Sidwell  <nathan@codesourcery.com>
2318
2319         * c-incpath.c (INO_T_EQ): Do not define on non-inode systems.
2320         (DIRS_EQ): New.
2321         (remove_duplicates): Do not set inode on non-inode systems.
2322         Use DIRS_EQ.
2323
2324 2008-05-20  Sandra Loosemore  <sandra@codesourcery.com>
2325
2326         * config.gcc (tm_file): Update comments about relative pathnames.
2327
2328 2008-05-20  Richard Guenther  <rguenther@suse.de>
2329
2330         * tree-ssa-reassoc.c (fini_reassoc): Use the statistics infrastructure.
2331         * tree-ssa-sccvn.c (process_scc): Likewise.
2332         * tree-ssa-sink.c (execute_sink_code): Likewise.
2333         * tree-ssa-threadupdate.c (thread_through_all_blocks): Likewise.
2334         * tree-vrp.c (process_assert_insertions): Likewise.
2335         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
2336         (perform_tree_ssa_dce): Likewise.
2337         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
2338         (dump_dominator_optimization_stats): Likewise.
2339         * tree-vectorizer.c (vectorize_loops): Likewise.
2340
2341 2008-05-20  Richard Guenther  <rguenther@suse.de>
2342
2343         * tree-vn.c (vn_lookup_with_vuses): Do not use the alias oracle.
2344
2345 2008-05-20  Kai Tietz  <kai.tietz@onevision.com>
2346
2347         * config/i386/i386-protos.h (ix86_return_in_memory): Removed.
2348         (ix86_i386elf_return_in_memory): Likewise.
2349         (ix86_i386interix_return_in_memory): Likewise.
2350         * config/i386/i386-interix.h (TARGET_RETURN_IN_MEMORY): Removed.
2351         (SUBTARGET_RETURN_IN_MEMORY): New.
2352         * config/i386/i386elf.h: Likewise.
2353         * config/i386/ptx4-i.h: Likewise.
2354         * config/i386/sol2-10.h: Likewise.
2355         * config/i386/sysv4.h: Likewise.
2356         * config/i386/vx-common.h: Likewise.
2357         * config/i386/i386.h (TARGET_RETURN_IN_MEMORY): Removed.
2358         * config/i386/i386.c (ix86_return_in_memory): Made static and
2359         make use of optional SUBTARGET_RETURN_IN_MEMORY macro.
2360         (ix86_i386elf_return_in_memory): Removed.
2361         (ix86_i386interix_return_in_memory): Removed.
2362         (TARGET_RETURN_IN_MEMORY): Declared within i386.c only.
2363         * target-def.h (TARGET_RETURN_IN_MEMORY): Remove protection #ifdef.
2364
2365 2008-05-20  Alexandre Oliva  <aoliva@redhat.com>
2366
2367         * cselib.c (cselib_record_sets): Use correct mode for IF_THEN_ELSE.
2368
2369 2008-05-19  Xinliang David Li  <davidxl@google.com>
2370
2371         * tree-ssa-dce.c: Revert patches of 2008-05-17 and 2008-05-18. 
2372         * opts.c: Ditto.
2373         * common.opt: Ditto.
2374         * doc/invoke.texi: Ditto.
2375
2376 2008-05-19  Eric Botcazou  <ebotcazou@adacore.com>
2377
2378         * tree.c (substitute_in_expr) <tcc_vl_exp>: Fix thinko.
2379         (substitute_placeholder_in_expr) <tcc_vl_exp>: Minor tweak.
2380
2381 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
2382
2383         * config/i386/i386.c (ix86_expand_vector_init_concat): Change
2384         sizes of operand array from 8/4 to 4/2.
2385         (ix86_expand_vector_init_general): Change size of operand array
2386         from 32 to 16.  Remove op0, op1 and half_mode.
2387
2388 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
2389
2390         * config/i386/i386.c (ix86_expand_vector_init_concat): New.
2391         (ix86_expand_vector_init_interleave): Likewise.
2392         (ix86_expand_vector_init_general): Use them.  Assert
2393         word_mode == SImode when n_words == 4.
2394
2395 2008-05-19  Uros Bizjak  <ubizjak@gmail.com>
2396
2397         * config/i386/i386.c (ix86_secondary_reload): New static function.
2398         (TARGET_SECONDARY_RELOAD): New define.
2399         * config/i386/i386.h (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
2400         * config/i386/i386.md (reload_outqi): Remove.
2401
2402 2008-05-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2403
2404         PR middle-end/35509
2405         * builtins.c (mathfn_built_in_1): Renamed from mathfn_built_in.
2406         Add `implicit' parameter.  Handle BUILT_IN_SIGNBIT.
2407         (mathfn_built_in): Rewrite in terms of mathfn_built_in_1.
2408         (fold_builtin_classify): Handle BUILT_IN_ISINF_SIGN.
2409         (fold_builtin_1): Likewise.
2410         * builtins.def (BUILT_IN_ISINF_SIGN): New.
2411         c-common.c (check_builtin_function_arguments): Handle
2412         BUILT_IN_ISINF_SIGN.
2413         * doc/extend.texi: Document __builtin_isinf_sign.
2414         * fold-const.c (operand_equal_p): Handle COND_EXPR.
2415
2416 2008-05-18  Eric Botcazou  <ebotcazou@adacore.com>
2417
2418         * tree-ssa-dom.c (tree_ssa_dominator_optimize): If some blocks need
2419         EH cleanup at the end of the pass, search for those that have been
2420         turned into forwarder blocks and do the cleanup on their successor.
2421
2422 2008-05-18  Richard Guenther  <rguenther@suse.de>
2423
2424         * tree-cfg.c (verify_gimple_expr): Allow conversions from
2425         pointers to sizetype and vice versa.
2426
2427 2008-05-18 Xinliang David Li   <davidxl@google.com>
2428
2429         * gcc/tree-ssa-dce.c: Coding style fix.
2430         (check_pow): Documentation comment. 
2431         (check_log): Documenation comment. Coding style fix.
2432         (is_unnecessary_except_errno_call): Ditto.
2433         (gen_conditions_for_pow): Ditto.
2434         (gen_conditions_for_log): Ditto.
2435         (gen_shrink_wrap_conditions): Ditto.
2436         (shrink_wrap_one_built_in_calls): Ditto.
2437         * gcc/doc/invoke.texi: Better documentation string.
2438         * ChangeLog: Fix wrong change log entries from 
2439         May 17 checkin on function call DCE.
2440
2441 2008-05-17  Kaz Kojima  <kkojima@gcc.gnu.org>
2442
2443         * config/sh/sh.c (sh_output_mi_thunk): Update the use of init_flow.
2444
2445 2008-05-17  Kenneth Zadeck <zadeck@naturalbridge.com>
2446
2447         * doc/rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P): Fixed typos.
2448         * df-problems.c (simulation routines): Fixed block comment to
2449         properly say how to add forwards scanning functions.
2450         
2451 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
2452
2453         * tree-inline.c (setup_one_parameter): Remove dead code.
2454
2455 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
2456
2457         * fold-const.c (fold_unary) <CASE_CONVERT>: Fold the cast into
2458         a BIT_AND_EXPR only for an INTEGER_TYPE.
2459
2460 2008-05-17 Xinliang David Li   <davidxl@google.com>
2461
2462         * gcc/tree-ssa-dce.c (cond_dead_built_in_calls): New static variable.
2463         (check_pow, check_log, is_unnecessary_except_errno_call): New 
2464         functions to check for eliminating math functions that are pure 
2465         except for setting errno.
2466         (gen_conditions_for_pow, gen_conditionas_for_log): New functions to
2467         general condition expressions for shrink-wrapping pow/log calls.
2468         (gen_shrink_wrap_conditions): Ditto.
2469         (shrink_wrap_one_built_in_call): Ditto.
2470         (shrink_wrap_conditional_dead_built_in_calls): Ditto.
2471         (mark_operand_necessary): If debugging, output if OP is necessary.
2472         (eliminate_unnecessary_stmts): Eliminate pow, log calls that are
2473         unnecessary.
2474         * gcc/opts.c (decode_options): set flag_tree_builtin_dce to 1 when
2475         opt level >= 2.
2476         * gcc/common.opt: New user flag -ftree-builtin-dce.
2477         * gcc/doc/invoke.texi (-ftree-builtin-dce): New option.
2478
2479 2008-05-16  David S. Miller  <davem@davemloft.net>
2480
2481         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Undef before overriding.
2482         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
2483
2484 2008-05-16  Uros Bizjak  <ubizjak@gmail.com>
2485
2486         PR target/36246
2487         * config/i386/i386.h (SECONDARY_MEMORY_NEEDED_MODE): New define.
2488
2489 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
2490
2491         * ifcvt.c (dead_or_predicable): Rename
2492         df_simulate_one_insn_backwards to df_simulate_one_insn.
2493         * recog.c (peephole2_optimize): Ditto.
2494         * rtl-factoring.c (collect_pattern_seqs, clear_regs_live_in_seq):
2495         Ditto.
2496         * df.h: Rename df_simulate_one_insn_backwards to
2497         df_simulate_one_insn.  and delete df_simulate_one_insn_forwards.
2498         * df-problems.c (df_simulate_artificial_refs_at_top) Reversed
2499         scanning of defs and uses.
2500         (df_simulate_one_insn_backwards): Renamed to df_simulate_one_insn.
2501         (df_simulate_one_insn_forwards): Removed.
2502
2503 2008-05-16  Doug Kwan  <dougkwan@google.com>
2504
2505         * real.c (real_to_decimal, real_to_hexadecimal): Distinguish
2506         QNaN & SNaN.
2507         (real_from_string): Handle NaNs and Inf as approriate.
2508
2509 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
2510
2511         * doc/gty.texi (Source Files Containing Type Information): Note
2512         that headers should appear first in the gtfiles list.
2513
2514 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
2515
2516         * tree.def (COND_EXEC): Properly documented this code.
2517
2518 2008-05-16  Diego Novillo  <dnovillo@google.com>
2519
2520         * dwarf2asm.c (dw2_assemble_integer): Clarify comment.
2521         * tree-nested.c (get_trampoline_type): Set DECL_CONTEXT for
2522         the new field.
2523
2524 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
2525
2526         * tree-ssa-dse (max_stmt_uid): Removed.
2527         (get_stmt_uid, dse_possible_dead_store_p, dse_optimize_stmt, 
2528         tree_ssa_dse): Encapsulate all uses of stmt_ann->uid.
2529         * tree-ssa-sccvn.c (compare_ops, init_scc_vn): Ditto.
2530         * function.h (cfun.last_stmt_uid): New field.
2531         * tree-flow-inline.h (set_gimple_stmt_uid, gimple_stmt_uid,
2532         gimple_stmt_max_uid, set_gimple_stmt_max_uid, inc_gimple_stmt_max_uid):
2533         New functions.
2534         * tree-dfa.c (renumber_gimple_stmt_uids): New function.
2535         (create_stmt_ann): Initialize the ann->uid field.
2536         * tree-ssa-pre.c (compute_avail): Encapsulate the stmt_ann->uid
2537         with new calls.
2538         * tree-flow.h (renumber_gimple_stmt_uids): New function.
2539
2540 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
2541
2542         * tree-flow.h (init_empty_tree_cfg_for_function): Declare.
2543         * tree-cfg.c (init_empty_tree_cfg_for_function): Define.
2544         (init_empty_tree_cfg): Call it.
2545
2546 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
2547
2548         * cfg.c (init_flow): Add argument THE_FUN.  Use it instead of cfun.
2549         Update all users.
2550
2551 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
2552
2553         * doc/invoke.text (-fdump-tree-*-verbose): New option.
2554         * tree-dump.c (dump_options): New verbose option.
2555         * tree-pretty-print.c (dump_phi_nodes, dump_generic_bb_buff):
2556         Add verbose dump.
2557         * tree-pass.h (TDF_VERBOSE): New dump flag.
2558         * print-tree.c (print_node): Added code to be able to print PHI_NODES.
2559         (tree-flow.h): Added include.
2560         * Makefile.in (print-tree.o):  Added TREE_FLOW_H.
2561
2562 2008-05-16  Bernd Schmidt  <bernd.schmidt@analog.com>
2563
2564         * config/bfin/bfin.c (bfin_discover_loops): Delete empty loops.
2565
2566         From Jie Zhang  <jie.zhang@analog.com>
2567         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
2568         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Remove mcpu=bf532-0.3,
2569         mcpu=bf561-none and mcpu=bf561-0.2.
2570         * config/bfin/t-bfin-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
2571         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
2572         * config/bfin/t-bfin-linux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
2573         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
2574         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add BFIN_CPU_UNKNOWN.
2575         * config/bfin/elf.h (STARTFILE_SPEC): Use specific CRT for BF561.
2576         (LIB_SPEC): Use proper linker script for bf561.  Error if no mcpu
2577         option.
2578         * config/bfin/bfin.c (bfin_cpu_type): Set to BFIN_CPU_UNKNOWN.
2579         (cputype_selected): Remove.
2580         (bfin_handle_option): Don't use cputype_selected.
2581         (override_options): When no mcpu option, enable all workarounds.
2582         Don't use bfin_workarounds.
2583         * config/bfin/bfin.h (DRIVER_SELF_SPECS): Don't set default
2584         processor type.
2585         (DEFAULT_CPU_TYPE): Don't define.
2586
2587 2008-05-16  Richard Guenther  <rguenther@suse.de>
2588
2589         * tree-ssa-propagate.c (substitute_and_fold): Fix stmt walking
2590         on deletion of the last stmt.
2591
2592 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2593
2594         * config/i386/i386.c (ix86_expand_vector_init_general): Optimize
2595         V8HImode for SSE2 and V16QImode for SSE4.1.
2596
2597 2008-05-15  Kenneth Zadeck <zadeck@naturalbridge.com>
2598
2599         * cgraph.h (compute_inline_parameters): Made public.
2600         * tree-pass.h (ipa_opt_pass): Removed function_generate_summary,
2601         variable_generate_summary, function_write_summary,
2602         variable_write_summary, variable_read_summary.  Added generate_summary,
2603         write_summary, read_summary.
2604         * cgraphunit.c (cgraph_process_new_functions): Changed call from
2605         pass_ipa_inline.function_generate_summary, to
2606         compute_inline_parameters. 
2607         * ipa-inline.c (compute_inline_parameters): Made public and added
2608         node parameter.
2609         (compute_inline_parameters_for_current): New function.
2610         (pass_inline_param): Now calls compute_inline_parameters_for_current.
2611         (inline_generate_summary): Removed parameter and made to loop over
2612         all cgraph nodes.
2613         (pass_ipa_inline): Updated for new IPA_PASS structure.
2614         * passes.c (execute_ipa_summary_passes): Now is called once per
2615         pass rather than once per node*pass.
2616         
2617 2008-05-15  Anatoly Sokolov <aesok@post.ru>
2618
2619         * config/avr/avr.c (avr_base_arch_macro, avr_have_movw_lpmx_p, 
2620         avr_have_mul_p, avr_asm_only_p): Remove variables.
2621         (avr_override_options): Remove initialization of removed variables.
2622         (avr_file_start):  Convert removed variables to fields of 
2623         'struct base_arch_s *avr_current_arch'. 
2624         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): (Ditto.).
2625         (AVR_HAVE_MUL): (Ditto.).
2626         (AVR_HAVE_MOVW): (Ditto.).
2627         (AVR_HAVE_LPMX): (Ditto.). 
2628         (avr_base_arch_macro, avr_have_movw_lpmx_p, avr_have_mul_p, 
2629         avr_asm_only_p): Remove declaration.
2630
2631 2008-05-15  Diego Novillo  <dnovillo@google.com>
2632
2633         * config/arm/arm.c (arm_return_in_memory): Fix return type.
2634         * config/arm/arm-protos.h (arm_return_in_memory): Likewise.
2635
2636 2008-05-15  Adam Nemet  <anemet@caviumnetworks.com>
2637
2638         PR middle-end/36194
2639         * combine.c (check_conversion): Rename back to check_promoted_subreg.
2640         Don't call record_truncated_value from here.
2641         (record_truncated_value): Turn it into a for_each_rtx callback.
2642         (record_truncated_values): New function.
2643         (combine_instructions): Call note_uses with record_truncated_values.
2644         Change name of check_conversion to check_promoted_subreg. 
2645
2646 2008-05-15  Janis Johnson  <janis187@us.ibm.com>
2647
2648         * doc/sourcebuild.texi: Document support for torture tests.
2649
2650 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
2651
2652         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Add "m" constraint
2653         to alternative 4 of operand 2.
2654
2655 2008-05-15  Richard Guenther  <rguenther@suse.de>
2656
2657         * tree-pass.h (current_pass): Declare.
2658         (get_pass_for_id): Likewise.
2659         * passes.c (passes_by_id, passes_by_id_size): New globals.
2660         (set_pass_for_id): New function.
2661         (get_pass_for_id): Likewise.
2662         (register_one_dump_file): Use set_pass_for_id to populate passes_by_id.
2663         (execute_function_todo): Flush per function statistics.
2664         * toplev.c (compile_file): Init statistics.
2665         (general_init): Do early statistics initialization.
2666         (finalize): Finish statistics.
2667         * statistics.h (statistics_early_init): Declare.
2668         (statistics_init): Likewise.
2669         (statistics_fini): Likewise.
2670         (statistics_fini_pass): Likewise.
2671         (statistics_counter_event): Likewise.
2672         (statistics_histogram_event): Likewise.
2673         * statistics.c: New file.
2674         * Makefile.in (OBJS-common): Add statistics.o.
2675         (statistics.o): Add dependencies.
2676         * doc/invoke.texi (-fdump-statistics): Document.
2677
2678         * tree-ssa-pre.c (compute_antic): Use statistics_histogram_event.
2679         (insert): Likewise.
2680         (execute_pre): Use statistics_counter_event.
2681         * tree-ssa-propagate.c (struct prop_stats_d): Add num_dce field.
2682         (substitute_and_fold): Increment it.  Use statistics_counter_event.
2683
2684 2008-05-15  Diego Novillo  <dnovillo@google.com>
2685
2686         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00893.html
2687
2688         * treestruct.def (TS_STRUCT_FIELD_TAG): Remove.
2689         * tree-ssa-alias.c (new_type_alias): Remove references to
2690         sub-variables from comment.
2691         * tree-ssa-operands.c (swap_tree_operands): Likewise.
2692
2693 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2694
2695         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Set prefix_extra
2696         attribute to 1 only for insertps alternative.
2697
2698 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
2699
2700         * config/bfin/bfin.md (loadbytes): New pattern.
2701         * config/bfin/bfin.c (enum bfin_builtins): Add BFIN_BUILTIN_LOADBYTES.
2702         (bfin_init_builtins): Initialize it.
2703         (bdesc_1arg): Add it.
2704
2705 2008-05-15  Sa Liu  <saliu@de.ibm.com>
2706
2707         * testsuite/gfortran.dg/c_kind_int128_test1.f03: New.
2708         * testsuite/gfortran.dg/c_kind_int128_test2.f03: New.
2709         * testsuite/lib/target-supports.exp: Add
2710         check_effective_target_fortran_integer_16.
2711
2712 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
2713
2714         * config/bfin/bfin.h (TARGET_RETURN_IN_MEMORY): Don't define here.
2715         * config/bfin/bfin-protos.h (bfin_return_in_memory): Don't declare.
2716         * config/bfin/bfin.c (bfin_return_in_memory): Now static.  Return bool.
2717         (TARGET_RETURN_IN_MEMORY): Define.
2718
2719 2008-05-15  Richard Guenther  <rguenther@suse.de>
2720
2721         PR middle-end/36244
2722         * tree-ssa-alias.c (new_type_alias): Do not set TREE_READONLY.
2723         * tree-flow-inline.h (unmodifiable_var_p): Memory tags never
2724         represent unmodifiable vars.
2725
2726 2008-05-15  Richard Guenther  <rguenther@suse.de>
2727
2728         * tree-dfa.c (refs_may_alias_p): Allow all kinds of
2729         INDIRECT_REF and TARGET_MEM_REF.
2730         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2731         TARGET_MEM_REF.
2732
2733 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
2734             H.J. Lu  <hongjiu.lu@intel.com>
2735
2736         * config/i386/sse.md (*vec_concatv2sf_sse4_1): New insn pattern.
2737         (*vec_concatv2si_sse4_1): Use vector_move_operand predicate
2738         for operand 2.  Remove pinsr{q,d} with 0x0 immediate operand from
2739         insn alternatives.  Add missing alternatives.
2740         (*vec_concatv2di_rex64_sse4_1): Likewise.
2741         (*vec_concatv2si_sse2): Use "x" register constraint instead of "Y2".
2742         (*vec_concatv2di_rex64_sse): Rename from *vec_concatv2di_rex64.
2743         Require TARGET_SSE.
2744
2745 2008-05-15  Richard Guenther  <rguenther@suse.de>
2746
2747         PR tree-optimization/36009
2748         PR tree-optimization/36204
2749         * tree-ssa-loop-im.c (tree-ssa-propagate.h): Include.
2750         (determine_invariantness_stmt): Record the loop a store is
2751         always executed in.
2752         * Makefile.in (tree-ssa-loop-im.o): Add tree-ssa-propagate.h
2753         dependency.
2754
2755 2008-05-15  Richard Guenther  <rguenther@suse.de>
2756
2757         PR tree-optimization/34330
2758         * tree-ssa-alias.c (get_smt_for): Only assert that accesses
2759         through the pointer will alias the SMT.
2760
2761 2008-05-14  Andreas Tobler  <a.tobler@schweiz.org>
2762
2763         * config/sparc/sparc.h (NO_PROFILE_COUNTERS): Define as 0.
2764
2765 2008-05-14  H.J. Lu  <hongjiu.lu@intel.com>
2766
2767         * config/i386/sse.md (*sse4_1_pinsrq): Make it 64bit only.
2768
2769 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
2770             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
2771
2772         * optabs.h (optab_index): Add OTI_vashl, OTI_vlshr, OTI_vashr,
2773         OTI_vrotl, OTI_vrotr to support vector/vector shifts.
2774         (vashl_optab): New optab for vector/vector shifts.
2775         (vashr_optab): Ditto.
2776         (vlshr_optab): Ditto.
2777         (vrotl_optab): Ditto.
2778         (vrotr_optab): Ditto.
2779         (optab_subtype): New enum for optab_for_tree_code call.
2780         (optab_for_tree_code): Add enum optab_subtype argument.
2781
2782         * optabs.c (optab_for_tree_code): Take an additional argument to
2783         distinguish between a vector shift by a scalar and vector shift by
2784         a vector.  Make lshr/ashr/ashl/rotl/rotr optabs just vector
2785         shifted by a scalar.  Use vlshr/vashr/vashl/vrotl/vrotr for the
2786         vector shift by a vector.
2787         (expand_widen_pattern_expr): Pass additional argument to
2788         optab_for_tree_code.
2789
2790         * genopinit.c (optabs): Add vashr_optab, vashl_optab, vlshr_optab,
2791         vrotl_optab, vrotr_optab.
2792
2793         * expr.c (expand_expr_real_1): Update calls to
2794         optab_for_tree_code to distinguish between vector shifted by a
2795         scalar and vector shifted by a vector.
2796         * tree-vectorizer.c (supportable_widening_operation): Ditto.
2797         (supportable_narrowing_operation): Ditto.
2798         * tree-vect-analyze.c (vect_build_slp_tree): Ditto.
2799         * tree-vect-patterns.c (vect_pattern_recog_1): Ditto.
2800         * tree-vect-transform.c (vect_model_reduction_cost): Ditto.
2801         (vect_create_epilog_for_reduction): Ditto.
2802         (vectorizable_reduction): Ditto.
2803         (vectorizable_operation): Ditto.
2804         (vect_strided_store_supported): Ditto.
2805         (vect_strided_load_supported): Ditto.
2806         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
2807         * expmed.c (expand_shift): Ditto.
2808
2809         * doc/md.texi (ashl@var{m}3): Document that operand 2 is always a
2810         scalar type.
2811         (ashr@var{m}3): Ditto.
2812         (vashl@var{m}3): Document new vector/vector shift standard name.
2813         (vashr@var{m}3): Ditto.
2814         (vlshr@var{m}3): Ditto.
2815         (vrotl@var{m}3): Ditto.
2816         (vrotr@var{m}3): Ditto.
2817
2818         * config/i386/i386.md (PPERM_SRC): Move PPERM masks here from i386.c.
2819         (PPERM_INVERT): Ditto.
2820         (PPERM_REVERSE): Ditto.
2821         (PPERM_REV_INV): Ditto.
2822         (PPERM_ZERO): Ditto.
2823         (PPERM_ONES): Ditto.
2824         (PPERM_SIGN): Ditto.
2825         (PPERM_INV_SIGN): Ditto.
2826         (PPERM_SRC1): Ditto.
2827         (PPERM_SRC2): Ditto.
2828
2829         * config/i386/sse.md (mulv2di3): Add SSE5 support.
2830         (sse5_pmacsdql_mem): New SSE5 define_and_split that temporarily
2831         allows a memory operand to be the value being added, and split it
2832         to improve vectorization.
2833         (sse5_pmacsdqh_mem): Ditto.
2834         (sse5_mulv2div2di3_low): SSE5 32-bit multiply and extend function.
2835         (sse5_mulv2div2di3_high): Ditto.
2836         (vec_pack_trunc_v8hi): Add SSE5 pperm support.
2837         (vec_pack_trunc_v4si): Ditto.
2838         (vec_pack_trunc_v2di): Ditto.
2839         (sse5_pcmov_<mode>): Remove code that tried to use use
2840         andps/andnps instead of pcmov.
2841         (vec_widen_smult_hi_v4si): If we have SSE5, use the pmacsdql and
2842         pmacsdqh instructions.
2843         (vec_widen_smult_lo_v4si): Ditto.
2844
2845         * config/i386/i386.c (PPERM_SRC): Move PPERM masks to i386.md.
2846         (PPERM_INVERT): Ditto.
2847         (PPERM_REVERSE): Ditto.
2848         (PPERM_REV_INV): Ditto.
2849         (PPERM_ZERO): Ditto.
2850         (PPERM_ONES): Ditto.
2851         (PPERM_SIGN): Ditto.
2852         (PPERM_INV_SIGN): Ditto.
2853         (PPERM_SRC1): Ditto.
2854         (PPERM_SRC2): Ditto.
2855         (ix86_expand_sse_movcc): Move the SSE5 test after the if
2856         true/false tests.
2857         (ix86_expand_int_vcond): If SSE5 generate all possible integer
2858         comparisons.
2859         (ix86_sse5_valid_op_p): Allow num_memory to be negative, which
2860         says ignore whether the last reference is a memory operand.
2861
2862 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
2863             Paolo Bonzini <bonzini at gnu dot org>
2864
2865         * config/rs6000/rs6000.c (bdesc_2arg): Change the names of vector
2866         shift patterns.
2867
2868         * config/rs6000/altivec.md (vashl<mode>3): Rename from ashl<mode>3.
2869         (vlshr<mode>3): Rename from vlshr<mode>3.
2870         (vashr<mode>3): Rename from vashr<mode>3.
2871         (mulv4sf3): Change the names of vector shift patterns.
2872         (mulv4si3): Ditto.
2873         (negv4sf2): Ditt.
2874
2875         * config/spu/spu.c (spu_initialize_trampoline): Rename vector
2876         shift insns.
2877
2878         * config/spu/spu-builtins.def (SI_SHLH): Rename vector shift insns.
2879         (SI_SHLHI): Ditto.
2880         (SI_SHL): Ditto.
2881         (SI_SHLI): Ditto.
2882         (SI_ROTH): Ditto.
2883         (SI_ROTHI): Ditto.
2884         (SI_ROT): Ditto.
2885         (SI_ROTI): Ditto.
2886         (SPU_RL_0): Ditto.
2887         (SPU_RL_1): Ditto.
2888         (SPU_RL_2): Ditto.
2889         (SPU_RL_3): Ditto.
2890         (SPU_RL_4): Ditto.
2891         (SPU_RL_5): Ditto.
2892         (SPU_RL_6): Ditto.
2893         (SPU_RL_7): Ditto.
2894         (SPU_SL_0): Ditto.
2895         (SPU_SL_1): Ditto.
2896         (SPU_SL_2): Ditto.
2897         (SPU_SL_3): Ditto.
2898         (SPU_SL_4): Ditto.
2899         (SPU_SL_5): Ditto.
2900         (SPU_SL_6): Ditto.
2901         (SPU_SL_7): Ditto.
2902
2903         * config/spu/spu.md (v): New iterator macro to add v for vector types.
2904         (floatunssidf2_internal): Change vector/vector shift names.
2905         (floatunsdidf2_internal): Ditto.
2906         (mulv8hi3): Ditto.
2907         (ashrdi3): Ditto.
2908         (ashrti3): Ditto.
2909         (cgt_df): Ditto.
2910         (cgt_v2df): Ditto.
2911         (dftsv): Ditto.
2912         (vashl<mode>3): Rename from ashl<mode>3.
2913         (vashr<mode>3): Rename from ashr<mode>3.
2914         (vlshr<mode>3): Rename from lshr<mode>3.
2915         (vrotl<mode>3): Rename from rotl<mode>3.
2916
2917 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
2918
2919         PR target/36224
2920         * config/i386/sse.md (vec_widen_smult_hi_v4si): Delete, using unsigned
2921         multiply gives the wrong value when doing widening multiplies.
2922         (vec_widen_smult_lo_v4si): Ditto.
2923
2924 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
2925
2926         * optabs.c (prepare_cmp_insn): Changed LCT_PURE_MAKE_BLOCK to
2927         LCT_PURE and LCT_CONST_MAKE_BLOCK to LCT_CONST in calls to
2928         emit_library_call_value. 
2929         * builtins.c (expand_builtin_powi, expand_builtin_memcmp): Ditto.
2930         * tree.h (ECF_LIBCALL_BLOCK): Removed.
2931         * calls.c (initialize_argument_information, precompute_arguments, 
2932         expand_call, emit_library_call_value_1): Remove ECF_LIBCALL_BLOCK.
2933         (precompute_arguments): Removed flags parameter.
2934         * rtl.h (LCT_CONST_MAKE_BLOCK, LCT_PURE_MAKE_BLOCK): Removed.
2935         
2936 2008-05-14  Richard Guenther  <rguenther@suse.de>
2937
2938         * tree-ssa-dse.c (dse_possible_dead_store_p): Remove dead code.
2939         Make sure to register the store if the use is a PHI_NODE.
2940
2941 2008-05-14  Olivier Hainque  <hainque@adacore.com>
2942
2943         * expr.c (expand_expr_real_1) <normal_inner_ref>: Force op0 to
2944         memory if the component is to be referenced in BLKmode according
2945         to get_inner_reference.
2946
2947 2008-05-14  Adam Nemet  <anemet@caviumnetworks.com>
2948
2949         * calls.c (emit_library_call_value_1): Restore code clearing
2950         ECF_LIBCALL_BLOCK to ensure that we only call end_sequence once.
2951
2952 2008-05-14  Olivier Hainque  <hainque@adacore.com>
2953             Nicolas Roche  <roche@adacore.com>
2954
2955         * configure.ac: Add support for a "gcc_subdir" variable in
2956         config-lang.in, to denote a subdirectory where the language/GCC
2957         integration files are to be found.
2958         * configure: Regenerate.
2959
2960 2008-05-14  Ira Rosen  <irar@il.ibm.com>
2961
2962         PR tree-optimization/36098
2963         * tree-vect-analyze.c (vect_analyze_group_access): Set the gap
2964         value for the first load in the group in case of a gap.
2965         (vect_build_slp_tree): Check that there are no gaps in loads.
2966
2967 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
2968
2969         * doc/rtl.texi: Removed reference to REG_NO_CONFLICT notes.
2970         * optabs.c (expand_binop, expand_absneg_bit, expand_unop,
2971         expand_copysign_bit, ): Change call to emit_no_conflict_block to
2972         emit_insn and remove unneeded code to construct extra args.
2973         (emit_no_conflict_block): Removed.
2974         * optabls.h: (emit_no_conflict_block): Removed.
2975         * cse.c (cse_extended_basic_block): Remove search for
2976         REG_NO_CONFLICT note.
2977         * global.c: Removed incorrect comment added in revision 117.
2978         * expr.c (convert_move): Change call to emit_no_conflict_block to
2979         emit_insn.
2980         * recog.c: Change comments so that they do not mention
2981         REG_NO_CONFLICT.
2982         * local_alloc.c (combine_regs): Removed last parameter.
2983         (no_conflict_p): Removed.
2984         (block_alloc): Removed note, no_conflict_combined_regno and set
2985         local vars. Removed all code to process REG_NO_CONFLICT blocks.
2986         (combine_regs): Removed already_dead and code to look for
2987         REG_NO_CONFLICT notes.
2988         * lower_subreg (remove_retval_note): Removed code to look for
2989         REG_NO_CONFLICT block.
2990         (resolve_reg_notes): Removed REG_NO_CONFLICT case.
2991         (resolve_clobber): Remove code to process libcalls that have
2992         REG_NO_CONFLICT notes.
2993         * loop_invariant.c (find_invariant_insn): Removed REG_NO_CONFLICT
2994         case.
2995         * combine.c (can_combine_p, distribute_notes):  Removed
2996         REG_NO_CONFLICT case.
2997         * config/cris/cris.md (movdi pattern): Changed emit_no_conflict_block
2998         to emit_insns.
2999         * config/mn10300/mn10300.md (absdf2, negdf2 patterns): Ditto.
3000         * config/m68k/m68k.md (negdf2, negxf2, absdf2, absxf2 patterns):
3001         Ditto.
3002         * reg-notes.def (NO_CONFLICT): Removed.
3003
3004 2008-05-14  David S. Miller  <davem@davemloft.net>
3005
3006         * config/sparc/sparc.c (sparc_profile_hook): If
3007         NO_PROFILE_COUNTERS, don't generate and pass a label into mcount.
3008         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Define as 1.
3009         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
3010
3011 2008-05-14  Andreas Krebbel  <krebbel1@de.ibm.com>
3012
3013         * cse.c (cse_cc_succs): Invoke delete_insn_and_edges.
3014
3015 2008-05-13  Uros Bizjak  <ubizjak@gmail.com>
3016
3017         PR target/36222
3018         * config/i386/i386.c (ix86_expand_vector_init_general): Rearrange op0
3019         and op1 expansion before vector concat to have less live pseudos.
3020
3021 2008-05-13  H.J. Lu  <hongjiu.lu@intel.com>
3022
3023         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
3024         ix86_expand_vector_set if supported.
3025
3026 2008-05-13  Diego Novillo  <dnovillo@google.com>
3027             Kenneth Zadeck  <zadeck@naturalbridge.com>
3028
3029         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00748.html
3030
3031         * tree.h (init_phinodes, fini_phinodes, release_phi_node,
3032         phinodes_print_statistics, init_ssanames, fini_ssanames,
3033         make_ssa_name, duplicate_ssa_name, duplicate_ssa_name_ptr_info,
3034         release_ssa_name, release_defs, replace_ssa_name_symbol,
3035         ssanames_print_statistics): Move ...
3036         * tree-flow.h: ... here.
3037         * tree-ssanames.c (init_ssanames): Add arguments FN and SIZE.
3038         Use FN instead of cfun.
3039         (make_ssa_name_fn): Rename from make_ssa_name.
3040         (pass_release_ssa_names): Add TODO_dump_func to finish flags.
3041         * tree-flow-inline.h (make_ssa_name): Move from
3042         tree-ssanames.c.  Convert to static inline.  Call make_ssa_name_fn.
3043         * omp-low.c (expand_omp_parallel):
3044         * tree-flow-inline.h (redirect_edge_var_map_result):
3045         * tree-ssa.c (init_tree_ssa): Add argument FN.
3046         Use it instead of cfun.  Update all users.
3047
3048 2008-05-13  Tom Tromey  <tromey@redhat.com>
3049
3050         PR preprocessor/22168:
3051         * doc/cpp.texi (Top): Update menu.
3052         (Alternatives to Wrapper #ifndef): New node.
3053         (Other Directives): Document deprecation.
3054         (Obsolete Features): Remove menu.
3055         (Assertions): Merge node into Obsolete Features.
3056         (Obsolete once-only headers): Move earlier; rename to Alternatives
3057         to Wrapper #ifndef.
3058         * doc/cppopts.texi: Update.
3059         * c.opt (Wdeprecated): Enable for C and ObjC.
3060         * doc/invoke.texi (Option Summary): Move -Wno-deprecated.
3061         (C++ Dialect Options): Move -Wno-deprecated from here to...
3062         (Warning Options): ... here.
3063
3064 2008-05-13  Richard Guenther  <rguenther@suse.de>
3065
3066         PR middle-end/36227
3067         * fold-const.c (fold_sign_changed_comparison): Do not allow
3068         changes in pointer-ness.
3069
3070 2008-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
3071
3072         PR target/24713
3073         * config/sh/sh.c (sh_expand_prologue): Don't clear
3074         RTX_FRAME_RELATED_P for push insns.
3075
3076 2008-05-12  Andy Hutchinson  <hutchinsonandy@aim.com>
3077
3078         * config/avr/avr.h (MAX_OFILE_ALIGNMENT): Define.
3079
3080 2008-05-12  Anatoly Sokolov <aesok@post.ru>
3081
3082         * config/avr/avr.h (machine_function): Add 'is_leaf' field.
3083         * config/avr/avr.c (avr_regs_to_save): Compute 'machine->is_leaf'.
3084         Use 'machine->is_leaf' instead of 'leaf_func_p'.
3085
3086 2008-05-12  H.J. Lu  <hongjiu.lu@intel.com>
3087
3088         * config/i386/sse.md (*sse_concatv4sf): Renamed to ...
3089         (*vec_concatv4sf_sse): This.
3090         (*sse2_concatv2si): Renamed to ...
3091         (*vec_concatv2si_sse2): This.
3092         (*sse1_concatv2si): Renamed to ...
3093         (*vec_concatv2si_sse): This.
3094         (*vec_concatv2di_rex): Renamed to ...
3095         (*vec_concatv2di_rex64): This.
3096         (*vec_concatv2si_sse4_1): New.
3097         (*vec_concatv2di_rex64_sse4_1): Likewise.
3098
3099 2008-05-12  Uros Bizjak  <ubizjak@gmail.com>
3100
3101         PR rtl-optimization/36111
3102         * recog.c (validate_replace_rtx_1): Unshare new RTL expression
3103         that was created for swappable operands.
3104
3105 2008-05-12  Samuel Tardieu  <sam@rfc1149.net>
3106
3107         PR ada/36001
3108         * Makefile.in: Substitute GNATMAKE and GNATBIND.
3109         * configure.ac: Add call to ACX_PROG_GNAT.
3110
3111 2008-05-11  Volker Reichelt  <v.reichelt@netcologne.de>
3112
3113         * optc-gen.awk: Fix comment typo.
3114
3115 2008-05-11  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
3116
3117         * pretty-print.c (pp_integer_with_precision): Use
3118         HOST_LONG_LONG_FORMAT.
3119
3120 2008-05-10  Kenneth Zadeck  <zadeck@naturalbridge.com>
3121
3122         * gcse.c (store_killed_in_insn): Negated call to RTL_CONST_CALL_P.
3123                 
3124 2008-05-10  H.J. Lu  <hongjiu.lu@intel.com>
3125
3126         * config/i386/i386.c (bdesc_ptest): Removed.
3127         (ix86_builtin_type): Add INT_FTYPE_V2DI_V2DI_PTEST.
3128         (bdesc_args): Add __builtin_ia32_ptestz128,
3129         __builtin_ia32_ptestc128 and __builtin_ia32_ptestnzc128.
3130         (ix86_init_mmx_sse_builtins): Updated.
3131         (ix86_expand_args_builtin): Handle INT_FTYPE_V2DI_V2DI_PTEST.
3132         (ix86_expand_builtin): Updated.
3133
3134 2008-05-10  Richard Sandiford  <rdsandiford@googlemail.com>
3135
3136         * tree-cfg.c (valid_fixed_convert_types_p): New function.
3137         (verify_gimple_expr): Handle FIXED_CONVERT_EXPR.
3138
3139 2008-05-10  Uros Bizjak  <ubizjak@gmail.com>
3140
3141         * value-prof.c (interesting_stringop_to_profile): Do not
3142         return early for BUILT_IN_MEMPCPY.
3143
3144 2008-05-09  H.J. Lu  <hongjiu.lu@intel.com>
3145
3146         * calls.c (expand_call): Don't use callgraph to increase
3147         preferred_stack_boundary.
3148
3149         * cgraph.h (cgraph_rtl_info): Use unsigned on
3150         preferred_incoming_stack_boundary.
3151
3152         * final.c (rest_of_clean_state): Use unsigned on
3153         preferred_stack_boundary.
3154
3155 2008-05-09  Tom Tromey  <tromey@redhat.com>
3156
3157         PR preprocessor/22231:
3158         * c-opts.c (sanitize_cpp_opts): Disallow -MG if compilation is
3159         proceeding.
3160
3161 2008-05-09  Uros Bizjak  <ubizjak@gmail.com>
3162
3163         PR tree-optimization/36129
3164         * tree-ssa-ccp.c: Include value-prof.h.
3165         (execute_fold_all_builtins): Call gimple_remove_stmt_histograms if
3166         built-in function was folded to a constant.
3167         * Makefile.in (tree-ssa-ccp.c): Depend on value-prof.h
3168
3169 2008-05-09  Jan Sjodin  <jan.sjodin@amd.com>
3170             Sebastian Pop  <sebastian.pop@amd.com>
3171
3172         * tree-scalar-evolution.c: Document instantiate_scev.
3173         (instantiate_parameters_1): Renamed instantiate_scev_1.
3174         Don't use the same loop for instantiation_loop and evolution_loop.
3175         (instantiate_scev): New.
3176         (instantiate_parameters): Moved...
3177         (resolve_mixers): Update call to instantiate_scev_1 to pass the
3178         same loop twice.  Maintains the semantics for this function.
3179         * tree-scalar-evolution.h (instantiate_scev): Declare.
3180         (instantiate_parameters): ...here.  Now static inline.
3181         * tree-data-ref.c (dr_analyze_indices): Call instantiate_scev
3182         instead of resolve_mixers.
3183
3184 2008-05-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
3185
3186         * rtl-factoring.c (collect_pattern_seqs): Fix typo.
3187
3188 2008-05-09  Tomas Bily  <tbily@suse.cz>
3189
3190         * config/pa/pa.c (reloc_needed): Use CASE_CONVERT.
3191         * tree-cfg.c (verify_expr, verify_gimple_expr): Likewise.
3192         * tree-ssa-structalias.c (get_constraint_for): Likewise.
3193         * c-common.c (c_common_truthvalue_conversion): Likewise.
3194         * tree-object-size.c (compute_object_offset): Likewise.
3195         * tree-inline.c (estimate_num_insns_1): Likewise.
3196         * varasm.c (const_hash_1, compare_constant, copy_constant)
3197         (compute_reloc_for_constant, output_addressed_constants)
3198         (initializer_constant_valid_p): Likewise.
3199         * c-omp.c (check_omp_for_incr_expr): Likewise.
3200         * gimplify.c (gimplify_expr): Likewise.
3201         * c-typeck.c (c_finish_return): Likewise.
3202         * tree-vectorizer.c (supportable_widening_operation)
3203         (supportable_narrowing_operation): Likewise.
3204         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Likewise.
3205         * matrix-reorg.c (can_calculate_expr_before_stmt): Likewise.
3206         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
3207         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info)
3208         (descr_info_loc): Likewise.
3209         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
3210         * fold-const.c (operand_equal_p, make_range, extract_muldiv_1)
3211         (fold_unary): Likewise.
3212         * builtins.c (get_pointer_alignment): Likewise.
3213         * tree-scalar-evolution.c (interpret_rhs_modify_stmt)
3214         (instantiate_parameters_1): Likewise.
3215         * tree.c (expr_align, stabilize_reference): Likewise.
3216         * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
3217         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
3218         * convert.c (strip_float_extensions): Use CONVERT_EXPR_P.
3219         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
3220         * config/alpha/alpha.c (va_list_skip_additions): Likewise.
3221         * c-common.c (c_alignof_expr, check_function_arguments_recurse):
3222         Likewise.
3223         * tree-ssa.c (tree_ssa_useless_type_conversion): Likewise.
3224         * varasm.c (initializer_constant_valid_p, output_constant): Likewise.
3225         * tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from)
3226         (forward_propagate_addr_expr_1, forward_propagate_addr_expr)
3227         (forward_propagate_comparison)
3228         (tree_ssa_forward_propagate_single_use_vars): Likewise.
3229         * cfgexpand.c (discover_nonconstant_array_refs_r): Likewise.
3230         * emit-rtl.c (component_ref_for_mem_expr)
3231         (set_mem_attributes_minus_bitpos): Likewise.
3232         * tree-ssa-phiopt.c (conditional_replacement): Likewise.
3233         * gimplify.c (gimplify_conversion, goa_lhs_expr_p, gimplify_expr):
3234         Likewise.
3235         * c-typeck.c (default_function_array_conversion, build_indirect_ref)
3236         (build_function_call, pointer_diff, build_compound_expr)
3237         (c_finish_return): Likewise.
3238         * tree-vect-analyze.c (vect_determine_vectorization_factor): Likewise.
3239         * matrix-reorg.c (get_inner_of_cast_expr, may_flatten_matrices_1):
3240         Likewise.
3241         * tree-ssa-ifcombine.c (recognize_single_bit_test): Likewise.
3242         * expr.c (is_aligning_offset): Likewise.
3243         * tree-ssa-alias.c (is_escape_site): Likewise.
3244         * tree-stdarg.c (va_list_counter_bump, check_va_list_escapes)
3245         (check_all_va_list_escapes): Likewise.
3246         * tree-ssa-loop-ivopts.c (determine_base_object)
3247         (determine_common_wider_type): Likewise.
3248         * dojump.c (do_jump): Likewise.
3249         * tree-ssa-sccvn.c (simplify_unary_expression): Likewise.
3250         * tree-gimple.c (is_gimple_cast): Likewise.
3251         * fold-const.c (decode_field_reference, )
3252         (fold_sign_changed_comparison, fold_unary, fold_comparison)
3253         (fold_binary): Likewise.
3254         * tree-ssa-alias-warnings.c (find_alias_site_helper)
3255         (already_warned_in_frontend_p): Likewise.
3256         * builtins.c (get_memory_rtx, fold_builtin_next_arg): Likewise.
3257         * tree.c (really_constant_p, get_unwidened): Likewise.
3258         * tree-ssa-loop-niter.c (expand_simple_operations): Likewise.
3259         * tree-ssa-loop-im.c (rewrite_bittest): Likewise.
3260         * tree-vrp.c (register_edge_assert_for_2, register_edge_assert_for_1):
3261         Likewise.
3262         * tree.h (STRIP_NOPS, STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Use
3263         CONVERT_EXPR_P.
3264         (CONVERT_EXPR_P): Define.
3265         (CASE_CONVERT): Define.
3266         
3267 2008-05-08  Kenneth Zadeck  <zadeck@naturalbridge.com>
3268
3269         PR middle-end/36117
3270         * dce.c (deletable_insn_p): Do not delete calls if df_in_progress.
3271         (delete_unmarked_insns): When deleting a call, call
3272         delete_unreachable_blocks.
3273         * rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
3274         RTL_CONST_OR_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P): Fixed doc.
3275
3276 2008-05-08  Richard Guenther  <rguenther@suse.de>
3277
3278         * doc/invoke.texi (-fdump-tree-salias): Remove documentation.
3279         (-ftree-salias): Likewise.
3280         (salias-max-implicit-fields): Remove param documentation.
3281         (salias-max-array-elements): Likewise.
3282         * tree-pass.h (pass_create_structure_vars): Remove.
3283         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): Remove.
3284         (SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
3285         * tree-ssa-alias.c (create_structure_vars): Remove.
3286         (gate_structure_vars): Likewise.
3287         (pass_create_structure_vars): Likewise.
3288         (gate_build_alias): Likewise.
3289         (pass_build_alias): Adjust to run always and dump the function.
3290         * common.opt (ftree-salias): Hide.
3291         * passes.c (init_optimization_passes): Remove
3292         pass_create_structure_vars, adjust comment.
3293         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): Remove.
3294         (PARAM_SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
3295         * opts.c (decode_options): Do not set flag_tree_salias.
3296         (common_handle_option): Add OPT_ftree_salias to the backward
3297         compatibility section.
3298
3299 2008-05-08  Richard Guenther  <rguenther@suse.de>
3300
3301         * tree-flow-inline.h (var_can_have_subvars): Move ...
3302         * tree-ssa-structalias.c (var_can_have_subvars): ... here.
3303         * tree-flow.h (var_can_have_subvars): Remove.
3304         (push_fields_onto_fieldstack): Remove.
3305         (sort_fieldstack): Likewise.
3306         (struct fieldoff): Move ...
3307         * tree-ssa-structalias.c (struct fieldoff): ... here.  Remove
3308         alias_set and base_for_components fields.
3309         (sort_fieldstack): Make static.
3310         (push_fields_onto_fieldstack): Likewise.  Remove code that
3311         handles anything but RECORD_TYPEs.  Remove alias_set and
3312         base_for_components handling.
3313         (create_variable_info_for): Adjust.
3314
3315 2008-05-08  Seongbae Park  <seongbae.park@gmail.com>
3316
3317         * common.opt (Wframe-larger-than=): Shorten the help message
3318         to one line.
3319         * doc/invoke.texi (Wframe-larger-than=): Add more description.
3320
3321 2008-05-08  Rafael Espindola  <espindola@google.com>
3322
3323         * tree-complex.c (expand_complex_div_wide): Don't create CONDs that
3324         trap.
3325         * tree-gimple.c (is_gimple_condexpr): Check that the expression doesn't
3326         trap and that both operands are gimple values.
3327         (canonicalize_cond_expr_cond): Use is_gimple_condexpr.
3328         * gcc/tree-eh.c (tree_could_trap_p): Correctly detect if a comparison
3329         is a fp operation.
3330
3331 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
3332
3333         * read-rtl.c (join_c_conditions): Return the first string if the
3334         two strings are equal.
3335
3336 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
3337
3338         * gensupport.h (pred_data): Add a "num_codes" field.
3339         (add_predicate_code): Declare.
3340         * gensupport.c (add_predicate_code): New function.
3341         (std_pred_table): Add an "allows_const_p" field.
3342         (std_preds): Set this field for predicates that allow RTX_CONST_OBJs.
3343         Remove the (incomplete) list of such codes from the codes field.
3344         (init_predicate_table): Use add_predicate_code.  Add all
3345         RTX_CONST_OBJs if allows_const_p is true.
3346         * genrecog.c (process_define_predicate): Use add_predicate_code.
3347
3348 2008-05-08  David Daney  <ddaney@avtrex.com>
3349             Richard Sandiford  <rsandifo@nildram.co.uk>
3350         
3351         * config/mips/mips.md (mips_expand_compare_and_swap_12): Handle
3352         special case of constant zero operands.
3353         * config/mips/mips.c (mips_expand_compare_and_swap_12): Zero extend
3354         old and new values.  Special case constant zero values.
3355         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP): Skip 'sync' if compare
3356         fails.
3357         (MIPS_COMPARE_AND_SWAP_12): Handle constant zero operands.
3358         (MIPS_COMPARE_AND_SWAP_12_0): New macro.
3359
3360 2008-05-08  Paolo Bonzini  <bonzini@gnu.org>
3361
3362         PR target/36090
3363         * simplify-rtx.c (simplify_plus_minus): Create CONST of
3364         similar RTX_CONST_OBJ before CONST_INT.
3365
3366 2008-05-08  Steve Ellcey  <sje@cup.hp.com>
3367
3368         * stmt.c (expand_stack_restore): Change sa mode if needed.
3369
3370 2008-05-08  Richard Guenther  <rguenther@suse.de>
3371
3372         * config/i386/i386-protos.h (ix86_return_in_memory): Adjust
3373         return type to bool.
3374         (ix86_sol10_return_in_memory): Likewise.
3375         (ix86_i386elf_return_in_memory): Likewise.
3376         (ix86_i386interix_return_in_memory): Likewise.
3377         * config/i386/i386.c (ix86_return_in_memory): Likewise.
3378         (ix86_sol10_return_in_memory): Likewise.
3379         (ix86_i386elf_return_in_memory): Likewise.
3380         (ix86_i386interix_return_in_memory): Likewise.
3381
3382 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
3383
3384         PR bootstrap/36180
3385         * calls.c (compute_argument_block_size ): Add ATTRIBUTE_UNUSED to
3386         fndecl argument.
3387         (emit_library_call_value_1): Add ATTRIBUTE_UNUSED to variable fndecl.
3388         * target-def.h: Check that TARGET_RETURN_IN_MEMORY isn't
3389         declared in front.
3390
3391 2008-05-08  Richard Guenther  <rguenther@suse.de>
3392
3393         * tree-data-ref.c (dr_analyze_alias): Do not set DR_SUBVARS.
3394         * tree-data-ref.h (struct dr_alias): Remove subvars field.
3395         (DR_SUBVARS): Remove.
3396         * tree-dfa.c (dump_subvars_for): Remove.
3397         (debug_subvars_for): Likewise.
3398         (dump_variable): Do not dump subvars.
3399         (remove_referenced_var): Do not remove subvars.
3400         * tree-flow-inline.h (clear_call_clobbered): SFTs no longer exist.
3401         (lookup_subvars_for_var): Remove.
3402         (get_subvars_for_var): Likewise.
3403         (get_subvars_at): Likewise.
3404         (get_first_overlapping_subvar): Likewise.
3405         (overlap_subvar): Likewise.
3406         * tree-flow.h (subvar_t): Remove.
3407         (struct var_ann_d): Remove subvars field.
3408         * tree-ssa-alias.c (mark_aliases_call_clobbered): Remove queued
3409         argument.  Remove special handling of SFTs.
3410         (compute_tag_properties): Likewise.
3411         (set_initial_properties): Likewise.
3412         (compute_call_clobbered): Likewise.
3413         (count_mem_refs): Likewise.
3414         (compute_memory_partitions): Likewise.
3415         (compute_flow_insensitive_aliasing): Likewise.
3416         (setup_pointers_and_addressables): Likewise.
3417         (new_type_alias): Likewise.
3418         (struct used_part): Remove.
3419         (used_portions): Likewise.
3420         (struct used_part_map): Likewise.
3421         (used_part_map_eq): Likewise.
3422         (used_part_map_hash): Likewise.
3423         (free_used_part_map): Likewise.
3424         (up_lookup): Likewise.
3425         (up_insert): Likewise.
3426         (get_or_create_used_part_for): Likewise.
3427         (create_sft): Likewise.
3428         (create_overlap_variables_for): Likewise.
3429         (find_used_portions): Likewise.
3430         (create_structure_vars): Likewise.
3431         * tree.def (STRUCT_FIELD_TAG): Remove.
3432         * tree.h (MTAG_P): Adjust.
3433         (struct tree_memory_tag): Remove base_for_components and
3434         unpartitionable flags.
3435         (struct tree_struct_field_tag): Remove.
3436         (SFT_PARENT_VAR): Likewise.
3437         (SFT_OFFSET): Likewise.
3438         (SFT_SIZE): Likewise.
3439         (SFT_NONADDRESSABLE_P): Likewise.
3440         (SFT_ALIAS_SET): Likewise.
3441         (SFT_UNPARTITIONABLE_P): Likewise.
3442         (SFT_BASE_FOR_COMPONENTS_P): Likewise.
3443         (union tree_node): Remove sft field.
3444         * alias.c (get_alias_set): Remove special handling of SFTs.
3445         * print-tree.c (print_node): Remove handling of SFTs.
3446         * tree-dump.c (dequeue_and_dump): Likewise.
3447         * tree-into-ssa.c (mark_sym_for_renaming): Likewise.
3448         * tree-nrv.c (dest_safe_for_nrv_p): Remove special handling of SFTs.
3449         * tree-predcom.c (set_alias_info): Do not set subvars.
3450         * tree-pretty-print.c (dump_generic_node): Do not handle SFTs.
3451         * tree-ssa-loop-ivopts.c (get_ref_tag): Likewise.
3452         * tree-ssa-operands.c (access_can_touch_variable): Likewise.
3453         (add_vars_for_offset): Remove.
3454         (add_virtual_operand): Remove special handling of SFTs.
3455         (add_call_clobber_ops): Likewise.
3456         (add_call_read_ops): Likewise.
3457         (get_asm_expr_operands): Likewise.
3458         (get_modify_stmt_operands): Likewise.
3459         (get_expr_operands): Likewise.
3460         (add_to_addressable_set): Likewise.
3461         * tree-ssa.c (verify_ssa_name): Do not handle SFTs.
3462         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
3463         * tree-vect-transform.c (vect_create_data_ref_ptr): Do not set subvars.
3464         * tree.c (init_ttree): Remove STRUCT_FIELD_TAG initialization.
3465         (tree_code_size): Remove STRUCT_FIELD_TAG handling.
3466         (tree_node_structure): Likewise.
3467         * tree-ssa-structalias.c (set_uids_in_ptset): Remove special
3468         handling of SFTs.
3469         (find_what_p_points_to): Likewise.
3470
3471 2008-05-08  Sa Liu  <saliu@de.ibm.com>
3472
3473         * config/spu/spu.md: Fixed subti3 pattern.
3474
3475 2008-05-08  Richard Guenther  <rguenther@suse.de>
3476
3477         PR middle-end/36154
3478         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
3479         sure to create a representative for trailing arrays for PTA.
3480
3481 2008-05-08  Richard Guenther  <rguenther@suse.de>
3482
3483         PR middle-end/36172
3484         * fold-const.c (operand_equal_p): Two objects which types
3485         differ in pointerness are not equal.
3486
3487 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
3488
3489         * calls.c (compute_argument_block_size): Add argument tree fndecl.
3490         (OUTGOING_REG_PARM_STACK_SPACE): Add function type argument.
3491         (emit_library_call_value_1): Add new variable fndecl initialized by
3492         NULL_TREE. It should be the decl type of orgfun, but this information
3493         seems not to be available here, so it uses the default calling abi.
3494         * config/arm/arm.c (arm_return_in_memory): Add fntype argumen.
3495         * config/arm/arm.h (RETURN_IN_MEMORY): Replace RETURN_IN_MEMORY
3496         by TARGET_RETURN_IN_MEMORY.
3497         * config/i386/i386-interix.h: Likewise.
3498         * config/i386/i386.h: Likewise.
3499         * config/i386/i386elf.h: Likewise.
3500         * config/i386/ptx4-i.h: Likewise.
3501         * config/i386/sol2-10.h: Likewise.
3502         * config/i386/sysv4.h: Likewise.
3503         * config/i386/vx-common.h: Likewise.
3504         * config/cris/cris.h: Removed #if 0 clause.
3505         * config/arm/arm-protos.h (arm_return_in_memory): Add fntype argument.
3506         * config/i386/i386-protos.h (ix86_return_in_memory): Add fntype
3507         argument.
3508         (ix86_sol10_return_in_memory): Likewise.
3509         (ix86_i386elf_return_in_memory): New.
3510         (ix86_i386interix_return_in_memory): New.
3511         * config/mt/mt-protos.h (mt_return_in_memory): New.
3512         * config/mt/mt.c: Likewise.
3513         * config/mt/mt.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
3514         (RETURN_IN_MEMORY):  Replace by TARGET_RETURN_IN_MEMORY.
3515         * config/bfin/bfin.h: Likewise.
3516         * config/bfin/bfin-protos.h (bfin_return_in_memory): Add fntype
3517         argument.
3518         * config/bfin/bfin.c: Likewise.
3519         * config/pa/pa.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
3520         * config/alpha/unicosmk.h: Likewise.
3521         * config/i386/cygming.h: Likewise.
3522         * config/iq2000/iq2000.h: Likewise.
3523         * config/mips/mips.h: Likewise.
3524         * config/mn10300/mn10300.h: Likewise.
3525         * config/rs6000/rs6000.h: Likewise.
3526         * config/score/score.h: Likewise.
3527         * config/spu/spu.h: Likewise.
3528         * config/v850/v850.h: Likewise.
3529         * defaults.h: Likewise.
3530         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Adjust documentation.
3531         * expr.c (emit_block_move): Adjust use of
3532         OUTGOING_REG_PARM_STACK_SPACE.
3533         * function.c (STACK_DYNAMIC_OFFSET): Adjust use of
3534         OUTGOING_REG_PARM_STACK_SPACE.
3535         * targhooks.c (default_return_in_memory): Remove RETURN_IN_MEMORY.
3536
3537 2008-05-08  Jakub Jelinek  <jakub@redhat.com>
3538
3539         * tree-parloops.c (create_parallel_loop): Set OMP_RETURN_NOWAIT
3540         on OMP_RETURN for OMP_FOR.
3541
3542         PR debug/35896
3543         * dwarf2out.c (dw_expand_expr, common_check): Removed.
3544         (fortran_common): New function.
3545         (gen_variable_die): Call fortran_common instead of common_check,
3546         adjust for it returning tree instead of rtx.  Formatting.
3547
3548 2008-05-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
3549
3550         PR rtl/7335
3551         PR rtl/33826
3552         * see.c (see_copy_insn): Copy new pure const attributes for new call.
3553         * c-decl.c (merge_decls): Ditto.
3554         * postreload.c (record_opr_changes): Change CONST_OR_PURE_CALL_P
3555         to RTL_CONST_OR_PURE_CALL_P.
3556         * tree.c (define_local_buitin): Rename DECL_IS_PURE to DECL_PURE_P.
3557         Initialized DECL_LOOPING_CONST_PURE.
3558         (process_call_operands): Set tree_side_effects properly.
3559         * tree.h (TREE_READONLY_DECL_P): Removed.
3560         (DECL_IS_PURE): Renamed to DECL_PURE_P.
3561         (DECL_LOOPING_OR_CONST_P): New macro.
3562         (struct tree_function_decl): Added looping_const_or_pure_p.
3563         (ECF_*) Renumbered.
3564         (ECF_LOOPING_OR_CONST_P): New macro.
3565         * rtlanal.c (pure_const_p): Removed.
3566         * builtins.c (expand_builtin): Rename DECL_IS_PURE to DECL_PURE_P.
3567         * reorg.c (delete_prior_computation) Changed CONST_OR_PURE_CALL_P
3568         to RTL_CONST_CALL_P.
3569         * ipa-pure-const.c (pure_const_state_e): Added looping field.
3570         (check_decl, check_tree, check_call, scan_function): Initialize
3571         looping.
3572         (analyze_function): Rename DECL_IS_PURE to DECL_PURE_P.
3573         (static_execute): Set looping true for recursive functions.
3574         Undo setting state to IPA_NEITHER for recursive functions.
3575         * cse.c (cse_insn): 
3576         * ifcvt.c (noce_can_store_speculate_p): Changed
3577         CONST_OR_PURE_CALL_P and pure_call_p to RTL_CONST_CALL_P or 
3578         RTL_CONST_OR_PURE_CALL_P.
3579         * dse.c (scan_insn): Ditto.
3580         * local-alloc.c (validate_equiv_mem, memref_used_between_p): Ditto.
3581         * gcse.c (oprs_not_seen_p) Changed CONST_OR_PURE_CALL_P to
3582         RTL_CONST_OR_PURE_CALL_P.
3583         (store_killed_in_insn): Changed CONST_OR_PURE_CALL_P and
3584         pure_call_p to RTL_CONST_CALL_P.
3585         * gimplify.c (gimplify_call_expr): Clear side effects for
3586         non-looping pure and constant calls.
3587         * calls.c (emit_call_1): Set rtl flags from ecf flags.
3588         (flags_from_decl_or_type): Set ecf flags from decl flags.
3589         (initialize_argument_information): Turn off
3590         ECF_LOOPING_CONST_OR_PURE when turning off ECF_CONST.
3591         Change const to pure if callee_copies is true rather than just
3592         turning off const.
3593         (expand_call): Turn off ECF_LOOPING_PURE_CONST_CALL and remove old
3594         way of marking pure calls.
3595         (emit_library_call_value_1): Turn off ECF_LOOPING_PURE_CONST_CALL.
3596         Remove hack that was supposed to fix pr7335 and remove old
3597         way of marking pure calls.
3598         * emit-rtl.c (emit_copy_of_insn_after): Copy RTL_CONST_CALL_P,
3599         RTL_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P.
3600         * cselib.c (cselib_process_insn): Changed CONST_OR_PURE_CALL_P to
3601         RTL_CONST_OR_PURE_CALL_P.
3602         * tree-ssa-pre.c (can_value_number_call): Fixed spacing.
3603         * loop-invariant.c (find_exits, find_invariant_bb): Changed
3604         CONST_OR_PURE_CALL_P to RTL_CONST_OR_PURE_CALL_P.
3605         * sched-deps.c (schedule_analyze): Ditto.
3606         * rtl.h (struct rtx_def): Use call field, unchanging field, and
3607         return_val field of calls to represent pure and const function info.
3608         (CONST_OR_PURE_CALL_P): Deleted macro.
3609         (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
3610         RTL_LOOPING_CONST_OR_PURE_CALL_P, RTL_CONST_OR_PURE_P): New macros.
3611         * tree-inline.c (copy_body_r): Changed TREE_READONLY_DECL_P to
3612         TREE_READONLY.
3613         * tree-optimize.c (execute_fixup_cfg): Added test for
3614         ECF_LOOPING_CONST_OR_PURE.
3615         * c-common.c (handle_pure_attribute): Changed DECL_IS_PURE to
3616         DECL_PURE_P.
3617         * tree-cfg.c (update_call_expr_flags): Do not clear tree side
3618         effects for looping pure or const calls.
3619         (verify_gimple_expr): Added verification code. 
3620         * config/alpha/alpha.c (alpha_legitimize_address,
3621         alpha_emit_xfloating_libcall): Changed CONST_OR_PURE_CALL_P to
3622         RTL_CONST_CALL_P.
3623         * config/s390/s390.c (s390_emit_tls_call_insn): Ditto.
3624         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Ditto.
3625         * config/mips/mips.c (mips_call_tls_get_addr): Ditto.
3626         * cfgrtl.c (need_fake_edge_p): Changed CONST_OR_PURE_CALL_P to
3627         RTL_CONST_OR_PURE_CALL_P.
3628         * dce.c (deletable_insn_p): Allow non looping, non sibling, pure
3629         and const calls to be deleted.
3630
3631 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
3632
3633         PR target/35714
3634         * config/i386/mmx.md (mmx_subv2sf3): New expander.
3635         (*mmx_subv2sf3): Rename from mmx_subv2sf3 insn pattern.
3636         (*mmx_eqv2sf3): Rename from mmx_eqv2sf3 insn pattern.
3637         (mmx_eqv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
3638         to handle nonimmediate operands.
3639         (*mmx_paddwd): Rename from mmx_paddwd insn pattern.
3640         (mmx_paddwd): New expander.  Use ix86_fixup_binary_operands_no_copy
3641         to handle nonimmediate operands.
3642         (*mmx_pmulhrwv4hi3): Rename from mmx_pmulhrwv4hi3 insn pattern.
3643         (mmx_pmulhrwv4hi3): New expander.  Use
3644         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3645         (*sse2_umulv1siv1di3): Rename from sse2_umulv1siv1di3 insn pattern.
3646         (sse2_umulv1siv1di3): New expander.  Use
3647         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3648         (*mmx_eq<mode>3): Rename from mmx_eq<mode>3 insn pattern.
3649         (mmx_eq<mode>3): New expander.  Use
3650         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3651         (*mmx_uavgv8qi3): Rename from mmx_uavgv8qi3 insn pattern.
3652         (mmx_uavgv8qi3): New expander.  Use
3653         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3654         (*mmx_uavgv4hi3): Rename from mmx_uavgv4hi3 insn pattern.
3655         (mmx_uavgv4hi3): New expander.  Use
3656         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3657
3658         * config/i386/sse.md
3659         (sse_movhlps_exp): New expander.  Use ix86_fixup_binary_operands
3660         to handle nonimmediate operands.
3661         (sse_movlhps_exp): New expander.  Use ix86_fixup_binary_operands
3662         to handle nonimmediate operands.
3663         (sse_loadhps_exp): New expander.  Use ix86_fixup_binary_operands
3664         to handle nonimmediate operands.
3665         (sse_loadlps_exp): New expander.  Use ix86_fixup_binary_operands
3666         to handle nonimmediate operands.
3667         (sse2_unpckhpd_exp): New expander.  Use
3668         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3669         (sse2_unpcklpd_exp): New expander.  Use
3670         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3671         (sse_loadhpd_exp): New expander.  Use ix86_fixup_binary_operands
3672         to handle nonimmediate operands.
3673         (sse_loadlpd): New expander.  Use ix86_fixup_binary_operands
3674         to handle nonimmediate operands.
3675         (*sse2_<plusminus_insn><mode>3): Rename from
3676         sse2_<plusminus_insn><mode>3 insn pattern.
3677         (sse2_<plusminus_insn><mode>3): New expander.  Use
3678         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3679         (*sse2_umulv2siv2di3): Rename from sse2_umulv2siv2di3 insn pattern.
3680         (sse2_umulv2siv2di3): New expander.  Use
3681         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3682         (*sse4_1_mulv2siv2di3): Rename from sse4_1_mulv2siv2di3 insn pattern.
3683         (sse4_1_mulv2siv2di3): New expander.  Use
3684         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3685         (*sse2_pmaddwd): Rename from sse2_pmaddwd insn pattern.
3686         (sse2_pmaddwd): New expander.  Use
3687         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3688         (*sse2_eq<mode>3): Rename from sse2_eq<mode>3 insn pattern.
3689         (sse2_eq<mode>3): New expander.  Use
3690         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3691         (*sse4_1_eqv2di3): Rename from sse4_1_eqv2di3 insn pattern.
3692         (sse4_1_eqv2di3): New expander.  Use
3693         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3694         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
3695         (sse2_uavgv16qi3): New expander.  Use
3696         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3697         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
3698         (sse2_uavgv16qi3): New expander.  Use
3699         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3700         (*sse2_uavgv8hi3): Rename from sse2_uavgv8hi3 insn pattern.
3701         (sse2_uavgv8hi3): New expander.  Use
3702         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3703         (*ssse3_pmulhrswv8hi3): Rename from ssse3_pmulhrswv8hi3 insn pattern.
3704         (ssse3_pmulhrswv8hi3): New expander.  Use
3705         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3706         (*ssse3_pmulhrswv4hi3): Rename from ssse3_pmulhrswv4hi3 insn pattern.
3707         (ssse3_pmulhrswv4hi3): New expander.  Use
3708         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3709
3710         (<sse>_vm<plusminus_insn><mode>3): Do not use ix86_binary_operator_ok.
3711         (<sse>_vmmul<mode>3): Ditto.
3712         (divv4sf3): Do not use ix86_fixup_binary_operands_no_copy.
3713         (divv2df3): Ditto.
3714         (ssse3_pmaddubsw128): Use register_operand for operand 1.
3715         (ssse3_pmaddubsw): Ditto.
3716
3717         * config/i386/i386.c (struct_builtin_description)
3718         [IX86_BUILTIN_LOADHPS]: Use CODE_FOR_sse_loadhps_exp.
3719         [IX86_BUILTIN_STOREHPS]: Use CODE_FOR_sse_loadlps_exp.
3720         [IX86_BUILTIN_LOADHPD]: Use CODE_FOR_sse2_loadhpd_exp.
3721         [IX86_BUILTIN_LOADLPD]: Use CODE_FOR_sse2_loadlpd_exp.
3722         [IX86_BUILTIN_MOVHLPS]: Use CODE_FOR_sse_movhlps_exp.
3723         [IX86_BUILTIN_MOVLHPS]: Use CODE_FOR_sse_movlhps_exp.
3724         [IX86_BUILTIN_UNPCKHPD]: Use FOR_sse2_unpckhpd_exp.
3725         [IX86_BUILTIN_UNPCKLPD]: Use FOR_sse2_unpcklpd_exp.
3726         (ix86_fixup_binary_operands): Assert that src1
3727         and src2 must have the same mode when swapped.
3728         (ix86_expand_binop_builtin): Do not use ix86_fixup_binary_operands
3729         and ix86_binary_operator_ok.  Do not force operands in registers
3730         when optimizing.
3731
3732 2008-05-07  Jan Hubicka  <jh@suse.cz>
3733
3734         * cgraph.c (dump_cgraph_node): Update.
3735         * cgraph.h (cgraph_local_info): Break out inline summary.
3736         * cgraphunit.c (cgraph_process_new_functions): Use inliner analysis
3737         hook.
3738         * ipa-inline (inline_summary): New accestor function.
3739         (cgraph_clone_inlined_nodes, cgraph_check_inline_limits,
3740         cgraph_decide_inlining, compute_inline_parameters): Update.
3741         * ipa.c (cgraph_remove_unreachable_nodes): Remove statistics.
3742
3743 2008-05-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
3744
3745         Cleanup ColdFire scheduling support and add V4 pipeline model.
3746
3747         * config/m68k/m68k.md (UNSPEC_TIE): New constant.
3748         (define_attr cpu): Add cfv4 value.
3749         (define_attr type, define_attr type1): Merge into a single 'type'
3750         attribute.  Update all uses.
3751         (define_attr opx_type, define_attr opy_type, define_attr opx_access):
3752         Rearrange and update.  Rename value 'reg' to 'Rn', add value 'FPn'.
3753         Update all uses.
3754         (define_attr opx_mem, define_attr opy_mem): Remove.
3755         (define_attr op_mem): Clean up, update comment.
3756         (define_attr size): Use specific values instead of general int.
3757         (define_attr guess, define_attr split): Remove.  Update all uses.
3758         (movdf_internal, tstsi_internal, tsthi_internal, tstqi_internal,
3759         tst<mode>_68881, pushexthisi_const, movsi_const0_68000_10,
3760         movsi_const0_68040_60, movsi_const0, movsi_cf, movstrictqi_cf,
3761         zero_extendhisi2_cf, zero_extendqisi2_cfv4, cfv4_extendhisi2,
3762         68k_extendhisi2, extendqihi2, cfv4_extendqisi2, 68k_extendqisi2,
3763         floatsi<mode>2_68881, ftrunc<mode>2_68881, ftrunc<mode>2_cf,
3764         fix<mode>qi2_68881, fix<mode>hi2_68881, fix<mode>si2_68881,
3765         adddi_dishl32, addsi3_5200, add<mode>3_floatsi_68881,
3766         add<mode>3_floathi_68881, add<mode>3_floatqi_68881,
3767         add<mode>3_68881, add<mode>3_cf, subdi_dishl32, subsi3,
3768         sub<mode>3_floatsi_68881, sub<mode>3_floathi_68881,
3769         sub<mode>3_floatqi_68881, sub<mode>3_68881, sub<mode>3_cf,
3770         mulhi3, mulhisi3, mulhisisi3_s, mulsi3_68020, mulsi3_cf,
3771         umulhisi3, mulhisisi3_z, mul<mode>3_floatsi_68881,
3772         mul<mode>3_floathi_68881, mul<mode>3_floatqi_68881, fmul<mode>3_cf,
3773         div<mode>3_cf, sqrt<mode>2_cf, abs<mode>2_cf, clzsi2,
3774         one_cmplsi2_5200, subreghi1ashrdi_const32, ashrsi3, lshrsi3,
3775         bsetmemqi, bsetmemqi_ext, bclrmemqi, bclrmemqi_ext,
3776         beq, bne, bgt, blt, bordered, bunordered, buneq, bunge, bungt, bunle,
3777         bunlt, bltgt, tablejump_internal, call, non_symbolic_call_value,
3778         symbolic_call_value_jsr, symbolic_call_value_bsr, link):
3779         Update or set attributes.
3780         (stack_tie): New fake instruction.
3781
3782         * config/m68k/m68k.h (TUNE_CFV4): New macro.
3783         (m68k_sched_attr_size): Update declaration.
3784         (m68k_sched_attr_type2): Remove.
3785         (m68k_sched_address_bypass_p, m68k_sched_indexed_address_bypass_p):
3786         Declare new bypass predicates.
3787
3788         * config/m68k/m68k.c (m68k_sched_issue_rate,
3789         m68k_sched_first_cycle_multipass_dfa_lookahead): Declare hook
3790         implementations.
3791         (TARGET_SCHED_ISSUE_RATE,
3792         TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): Override hooks.
3793         (override_options): Handle scheduling for ColdFire V4 core.
3794         (m68k_expand_prologue): Emit stack_tie.
3795         (enum attr_op_type): Split value 'OP_TYPE_REG' to 'OP_TYPE_RN' and
3796         'OP_TYPE_FPN'.  Update all uses.
3797         (sched_guess_p): Remove.
3798         (sched_address_type): Handle symbolic addresses.
3799         (sched_get_operand): New static function.
3800         (sched_operand_type): Merge into sched_attr_op_type.
3801         (sched_attr_op_type): Handle FP registers, handle quick constants,
3802         update.
3803         (m68k_sched_attr_opx_type, m68k_sched_attr_opy_type): Update.
3804         (m68k_sched_attr_size): Update.  Move logic to ...
3805         (sched_get_attr_size_int): New static function.
3806         (sched_get_opxy_mem_type): New static function.
3807         (m68k_sched_attr_op_mem): Update.
3808         (m68k_sched_attr_type2): Remove.
3809         (sched_cfv4_bypass_data): New static variable.
3810         (m68k_sched_adjust_cost): Handle ColdFire V4 bypass.
3811         (m68k_sched_issue_rate): Implement scheduler hook.
3812         (struct _sched_ib: enabled_p): New field.
3813         (m68k_sched_variable_issue): Update.  Handle V4.
3814         (SCHED_DUMP_TODO, SCHED_DUMP_DONE, SCHED_DUMP_NOTHING,
3815         sched_dump_class_func_t, sched_dump_split_class,
3816         sched_dump_dfa_guess_unit_code, sched_dump_dfa_state,
3817         sched_dump_dfa_class, m68k_sched_dump): Remove.
3818         (m68k_sched_first_cycle_multipass_dfa_lookahead): Implement scheduler
3819         hook.
3820         (m68k_sched_init_global): Remove statisctics dumping, introduce
3821         sanity check that all instructions have pipeline reservations.  Handle
3822         ColdFire V4 core.
3823         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
3824         Handle ColdFire V4 core.
3825         (sched_mem_operand_p, sched_get_reg_operand, sched_get_mem_operand):
3826         New static functions.
3827         (m68k_sched_address_bypass_p): New bypass predicate.
3828         (sched_get_indexed_address_scale): New static function.
3829         (m68k_sched_indexed_address_bypass_p): New bypass predicate.
3830
3831         * cf.md: Update comments.
3832         (define_attr type2): Remove.  Use 'type' attribute instead.
3833         Update all uses.
3834         (cf_ib): Rename to cfv123_ib.  Update all uses.
3835         (cf_oep): Rename to cfv123_oep.  Update all uses.
3836         (cf_chr): Rename to cfv123_chr.  Update all uses.
3837         (cf_mem): Rename to cfv123_mem.  Update all uses.
3838         (cf_mac): Move to more appropriate place.
3839         (cfv123_guess): New automaton and cpu_unit.
3840         (cfv123_*, cfv12_*, cfv1_*, cfv2_*, cfv3_*): Use type attribute.
3841         Update uses of 'size' attribute.  Handle before reload scheduling.
3842         (cfv123_guess): New dummy reservation for unhandled instructions.
3843         (cfv4_*): Pipeline description of ColdFire V4 core.
3844         (ignore): New reservation to handle 'ignore' type.
3845
3846 2008-05-07  Ian Lance Taylor  <iant@google.com>
3847
3848         PR middle-end/36013
3849         * gimplify.c (find_single_pointer_decl_1): Don't look through
3850         indirections.
3851         (find_single_pointer_decl): Adjust comments.
3852
3853 2008-05-07  Jakub Jelinek  <jakub@redhat.com>
3854
3855         PR middle-end/36137
3856         * fold-const.c (fold_binary): Use STRIP_SIGN_NOPS instead of
3857         STRIP_NOPS on arguments even for MIN_EXPR and MAX_EXPR.
3858
3859         PR middle-end/36106
3860         * omp-low.c (expand_omp_atomic_pipeline): Load value using the
3861         integral type rather than floating point, then VIEW_CONVERT_EXPR
3862         to the floating point type.
3863
3864 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
3865
3866         * config/i386/i386.c (ix86_expand_copysign): Force non-zero constant
3867         TFmode op0 to register.
3868
3869 2008-05-07  Alan Modra  <amodra@bigpond.net.au>
3870
3871         * c-decl.c (grokdeclarator): Comment typo.
3872
3873 2008-05-06  Aldy Hernandez  <aldyh@redhat.com>
3874
3875         * tree-flow.h: Remove prototype for computed_goto_p.
3876         * tree-cfg.c (computed_goto_p): Make static.
3877
3878 2008-05-06  H.J. Lu  <hongjiu.lu@intel.com>
3879
3880         PR target/35657
3881         * config/i386/i386.c (contains_128bit_aligned_vector_p): Renamed to ...
3882         (contains_aligned_value_p): This.  Handle _Decimal128.
3883         (ix86_function_arg_boundary): Only align _Decimal128 to its
3884         natural boundary and handle it properly.
3885
3886 2008-05-06  Martin Jambor  <mjambor@suse.cz>
3887
3888         * ipa-cp.c (ipcp_method_orig_node): Renamed to ipcp_get_orig_node.
3889         (ipcp_method_is_cloned): Renamed to ipcp_node_is_clone
3890         (ipcp_method_set_orig_node): Removed.
3891         (ipcp_cval_get_cvalue_type): Removed.
3892         (ipcp_method_get_scale): Renamed to ipcp_get_node_scale.
3893         (ipcp_method_set_scale): Renamed to ipcp_set_node_scale.
3894         (ipcp_cval_set_cvalue_type): Removed.
3895         (ipcp_cval_get_cvalue): Removed.
3896         (ipcp_cval_set_cvalue): Removed.
3897         (ipcp_type_is_const): Renamed to ipcp_lat_is_const.
3898         (ipcp_cval_equal_cvalues): Renamed to ipcp_lats_are_equal
3899         (ipcp_lats_are_equal): Changed parameters to two ipcp_lattice's
3900         (ipcp_cval_meet): Renamed to ipa_lattice_meet
3901         (ipcp_cval_changed): Changed to use ipcp_lat_is_const
3902         (ipcp_method_cval): Renamed to ipcp_get_ith_lattice
3903         (ipcp_get_ith_lattice): Changed parameters.
3904         (ipcp_cval_compute): Renamed to ipcp_lattice_from_jfunc
3905         (ipcp_lattice_from_jfunc): Changed parameters.
3906         (ipcp_redirect): Local lattice pointer instead of lattice type variable.
3907         (ipcp_method_cval_print): Added temporary variable info.
3908         (ipcp_redirect): Removed already unused local variable caller.
3909         (ipcp_redirect): New temporary variable orig_callee_info
3910         (ipcp_redirect): Removed newly unused local variable callee.
3911         (ipcp_redirect): Removed (a bit confusing) local variable type.
3912         (ipcp_insert_stage): Added local variable info.
3913         (ipcp_cval_changed): Renamed to ipcp_lattice_changed, parameters 
3914         renamed too
3915         (ipcp_formal_create): Removed.
3916         (ipcp_method_cval_set): Removed.
3917         (ipcp_propagate_stage): Renamed lattice variables.
3918         (ipcp_method_cval_set_cvalue_type): Removed.
3919         (ipcp_method_cval_print): Renamed to ipcp_print_all_lattices
3920         (ipcp_print_all_lattices): Changed printed strings to refer to 
3921         lattices rather than cvals.
3922         (ipcp_method_cval_init): Renamed to ipcp_initialize_node_lattices
3923         (ipcp_propagate_const): Changed formal parameters.
3924         (build_const_val): Changed formal parameters.
3925         (ipcp_insert_stage): Removed useless variable cvalue
3926         (build_const_val): Changed formal parameters.
3927         (ipcp_method_compute_scale): Renamed to ipcp_compute_node_scale
3928         (ipcp_after_propagate): Renamed to ipcp_change_tops_to_bottom
3929         (ipcp_callsite_param_print): Renamed to ipcp_print_all_jump_functions
3930         (ipcp_profile_mt_count_print): Renamed to ipcp_print_func_profile_counts
3931         (ipcp_print_func_profile_counts): Changed string from "method" to 
3932         "function"
3933         (ipcp_profile_cs_count_print): Renamed to ipcp_print_call_profile_counts
3934         (ipcp_profile_edge_print): Renamed to ipcp_print_edge_profiles
3935         (ipcp_profile_bb_print): Renamed to ipcp_print_bb_profiles
3936         (ipcp_structures_print): Renamed to ipcp_print_all_structures
3937         (ipcp_profile_print): Renamed to ipcp_print_profile_data
3938         (ipcp_lat_is_const): Changed parameters and made inline.
3939         (ipcp_replace_map_create): Renamed to ipcp_create_replace_map
3940         (ipcp_redirect): Renamed to ipcp_need_redirect_p
3941         (ipcp_need_redirect_p): Calls ipcp_lat_is_const instead of using 
3942         the predicate condition directly
3943         (ipcp_propagate_stage): Added local variable args. Removed local
3944         variable callee.  (Both are mere code simplifications.)
3945         (ipcp_method_dont_insert_const): Renamed to
3946         ipcp_node_not_modifiable_p.
3947         (ipcp_node_not_modifiable_p): Made inline.
3948         (ipcp_cloned_create): Renamed to ipcp_init_cloned_node
3949         (ipcp_propagate_const): Renamed to ipcp_propagate_one_const
3950         (ipcp_print_all_lattices): Removed variable cvalue
3951         (ipcp_method_scale_print): Renamed to ipcp_function_scale_print
3952         Updated comments.
3953
3954 2008-05-06  Olivier Hainque  <hainque@adacore.com>
3955
3956         * tree-sra.c (try_instantiate_multiple_fields): Early return
3957         if field has POINTER_TYPE.
3958
3959 2008-05-06  Kai Tietz  <kai.tietz@onevision.com>
3960
3961         * config/i386/i386.c (output_set_got): Fix for x86_64 output_emit_asm
3962         by using 'q' specifier for instruction.
3963         (ix86_file_end): Replaced case TARGET_64BIT_MS_ABI by TARGET_64BIT.
3964
3965 2008-05-06  Anatoly Sokolov <aesok@post.ru>
3966
3967         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
3968         Change mode of zero_extract from QImode to HImode.
3969         (sign bit tests peepholes): (Ditto.).
3970
3971 2008-05-06  Uros Bizjak  <ubizjak@gmail.com>
3972
3973         * config/i386/mmx.md: Remove double backslashes from asm templates.
3974         (*mmx_addv2sf3): Rename from mmx_addv2sf3 insn pattern.
3975         (mmx_addv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
3976         to handle nonimmediate operands.
3977         (*mmx_mulv2sf3): Rename from mmx_mulv2sf3 insn pattern.
3978         (mmx_mulv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
3979         to handle nonimmediate operands.
3980         (*mmx_<code>v2sf3_finite): New insn pattern.
3981         (*mmx_<code>v2sf3): Rename from mmx_<code>v2sf3 insn pattern.
3982         (mmx_<code>v2sf3): New expander.  Use
3983         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3984         (mmx_<plusminus_insn><mode>3): New expander.  Use
3985         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3986         (*mmx_<plusminus_insn><mode>3): New insn pattern.
3987         (mmx_add<mode>3): Removed.
3988         (mmx_ssadd<mode>3): Ditto.
3989         (mmx_usadd<mode>3): Ditto.
3990         (mmx_sub<mode>3): Ditto.
3991         (mmx_sssub<mode>3): Ditto.
3992         (mmx_ussub<mode>3): Ditto.
3993         (*mmx_mulv4hi3): Rename from mmx_mulv4hi3 insn pattern.
3994         (mmx_mulv4hi3): New expander.  Use ix86_fixup_binary_operands_no_copy
3995         to handle nonimmediate operands.
3996         (*mmx_smulv4hi3_highpart): Rename from mmx_smulv4hi3_highpart
3997         insn pattern.
3998         (mmx_smulv4hi3_highpart): New expander.  Use
3999         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4000         (*mmx_umulv4hi3_highpart): Rename from mmx_umulv4hi3_highpart
4001         insn pattern.
4002         (mmx_umulv4hi3_highpart): New expander.  Use
4003         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4004         (*mmx_<code>v4hi3): Rename from mmx_<code>v4hi3 insn pattern.
4005         (mmx_<code>v4hi3): New expander.  Use
4006         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4007         (*mmx_<code>v8qi3): Rename from mmx_<code>v8qi3 insn pattern.
4008         (mmx_<code>v8qi3): New expander.  Use
4009         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4010         (*mmx_<code><mode>3): Rename from mmx_<code><mode>3 insn pattern.
4011         (mmx_<code><mode>3): New expander.  Use
4012         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4013
4014 2008-05-05  Jan Hubicka  <jh@suse.cz>
4015
4016         PR tree-optimization/36118
4017         * passes.c (pass_init_dump_file): Fix dump header.
4018
4019 2008-05-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4020
4021         PR middle-end/36141
4022         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Don't create
4023         VCE for function decls.
4024
4025 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
4026
4027         * config/i386/sse.md (sse2_<plusminus_insn><mode>3): Fix a typo.
4028
4029 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
4030
4031         * config/i386/i386.md (sat_plusminus): New.
4032         (plusminus_insn): Likewise.
4033         (plusminus_mnemonic): Likewise.
4034         (addsub): Removed.
4035         (comm): Add ss_plus, us_plus, ss_minus and us_minus.
4036         (*<addsub><mode>3_cc_overflow): Renamed to ...
4037         (*<plusminus_insn><mode>3_cc_overflow): This.
4038         (*<addsub>si3_zext_cc_overflow): Renamed to ...
4039         (*<plusminus_insn>si3_zext_cc_overflow): This.
4040
4041         * config/i386/sse.md (<addsub><mode>3): Renamed to ...
4042         (<plusminus_insn><mode>3): This.
4043         (*<addsub><mode>3): Renamed to ...
4044         (*<plusminus_insn><mode>3): This.
4045         (<sse>_vm<addsub><mode>3): Renamed to ...
4046         (<sse>_vm<plusminus_insn><mode>3): This.
4047         (sse3_h<addsub>v4sf3): Renamed to ...
4048         (sse3_h<plusminus_insn>v4sf3): This.
4049         (sse3_h<addsub>v2df3): Renamed to ...
4050         (sse3_h<plusminus_insn>v2df3): This.
4051         (<plusminus_insn><mode>3): New.
4052         (*<plusminus_insn><mode>3): Likewise.
4053         (sse2_<plusminus_insn><mode>3): Likewise.
4054         (add<mode>): Removed.
4055         (*add<mode>3): Likewise.
4056         (sse2_ssadd<mode>3): Likewise.
4057         (sse2_usadd<mode>3): Likewise.
4058         (sub<mode>3): Likewise.
4059         (*sub<mode>3): Likewise.
4060         (sse2_sssub<mode>3): Likewise.
4061         (sse2_ussub<mode>3): Likewise.
4062
4063 2008-05-05  Benjamin Kosnik  <bkoz@redhat.com>
4064
4065         * gthr-single.h: Add in required interface elements as per gthr.h.
4066         Add stub types for __gthread_key_t, __gthread_once_t. Add defines
4067         for __GTHREAD_ONCE_INIT, __GTHREAD_RECURSIVE_MUTEX_INIT.
4068         Generalize UNUSED macro. 
4069         (__gthread_once): Add.
4070         (__gthread_key_create): Add.
4071         (__gthread_key_delete): Add.
4072         (__gthread_getspecific): Add.
4073         (__gthread_setspecific): Add.
4074         
4075 2008-05-05  Andrew Pinski  <Andrew.Pinski@playstation.sony.com>
4076
4077         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): If we have
4078         the same size types for the indirect reference on the rhs, then
4079         create a VCE.
4080
4081 2008-05-05  Uros Bizjak  <ubizjak@gmail.com>
4082
4083         * config/i386/i386.md
4084         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit): Use only
4085         one insn template instead of template series.
4086         (*xordi_1_rex64): Ditto.
4087         (*xordi_2_rex64): Ditto.
4088
4089 2008-05-05  Ira Rosen  <irar@il.ibm.com>
4090
4091         PR tree-optimization/36119
4092         * tree-vect-transform.c (vectorizable_assignment): Set NCOPIES to 1
4093         in case of SLP.
4094
4095 2008-06-04  Jan Hubicka  <jh@suse.cz>
4096
4097         tree-optimization/36100
4098         * tree-pass.h (pass_O0_always_inline): Declare.
4099         * ipa-inline.c (inline_transform): Remove dead code.
4100         (cgraph_gate_O0_always_inline, cgraph_O0_always_inline,
4101         pass_O0_always_inline): New.
4102         * passes.c (init_optimization_passes): Add pass_O0_always_inline.
4103
4104 2008-05-04  Kai Tietz  <kai.tietz@onevision.com>
4105
4106         * config/i386/i386.c (x86_output_mi_thunk): Use movq alternative
4107         mnemonic in this_param move for TARGET_64BIT.
4108
4109 2008-05-04  Uros Bizjak  <ubizjak@gmail.com>
4110
4111         * config/i386/i386.md (*strmovsi_1): Simplify asm alternatives.
4112         (*strmovsi_rex_1): Ditto.
4113         (*strsetsi_1): Ditto.
4114         (*strsetsi_rex_1): Ditto.
4115
4116         (add<mode>cc): Macroize expander from addqicc, addhicc, addsicc and
4117         adddicc expanders using SWI mode iterator.
4118
4119 2008-05-04  H.J. Lu  <hongjiu.lu@intel.com>
4120
4121         PR target/36121
4122         * config/i386/i386.c (ix86_expand_special_args_builtin): Remove three
4123         argument handling.
4124
4125 2008-05-04  David S. Miller  <davem@davemloft.net>
4126
4127         * config.gcc (sparc*-*-*): Always set need_64bit_hwint to yes.
4128         (sparc*-*-linux*): Use linux.h in tm_file.
4129         (sparc-*-linux*): If 'enabled_targets' is 'all', build a bi-arch
4130         compiler defaulting to 32-bit.
4131         (sparc*-*-*): Remove explicit target settings of need_64bit_hwint,
4132         no longer needed.
4133         * config/sparc/linux.h: Remove definitions now obtained
4134         properly from linux.h
4135         * config/sparc/linux64.h: Likewise.
4136         (ASM_CPU_DEFAULT_SPEC): Change this to ASM_CPU64_DEFAULT_SPEC, we
4137         don't want this setting for 32-bit builds in a biarch compiler.
4138         * doc/install.texi: Add sparc-linux to list of targets
4139         supporting --enable-targets=all.
4140
4141 2008-05-03  Andrew Pinski  <pinskia@gmail.com>
4142
4143         * Makefile.in (tree-ssa-phiprop.o): Fix dependencies.
4144
4145 2008-05-03  H.J. Lu  <hongjiu.lu@intel.com>
4146
4147         * config/i386/i386.c (ix86_builtin_type): Move V4SI_FTYPE_V4SF
4148         after V4SI_FTYPE_V8HI.
4149         (ix86_init_mmx_sse_builtins): Move case V4HI_FTYPE_V4HI after
4150         case V4SI_FTYPE_V2DF.
4151
4152 2008-05-03  Kenneth Zadeck  <zadeck@naturalbridge.com>
4153
4154         * doc/invoke.texi (max-flow-memory-locations): Removed.
4155         * params.def (PARAM_MAX_FLOW_MEMORY_LOCATIONS): Removed.
4156         
4157 2008-05-03  Richard Guenther  <rguenther@suse.de>
4158
4159         PR middle-end/34973
4160         * opts.c (set_Wstrict_aliasing): Handle the turn-off case.
4161
4162 2008-05-02  David S. Miller  <davem@davemloft.net>
4163
4164         * config.gcc (need_64bit_hwint): Document libcpp dependency.
4165
4166 2008-05-02  Simon Baldwin <simonb@google.com>
4167
4168         PR bootstrap/36108
4169         * c-common.h (warn_array_subscript_range): Removed.
4170         * c-common.c (warn_array_subscript_range): Ditto.
4171         * tree-vrp.c (check_array_ref): Revert to ignoring arrays with size 2.
4172         * c-typeck.c (build_array_ref): Remove warn_array_subscript_range.
4173
4174 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
4175
4176         * config/i386/i386.c (ix86_special_builtin_type): New.
4177         (bdesc_special_args): Likewise.
4178         (ix86_expand_special_args_builtin): Likewise.
4179         (ix86_init_mmx_sse_builtins): Updated.
4180         (ix86_expand_builtin): Updated.
4181         (ix86_expand_store_builtin): Removed.
4182         (ix86_expand_unop_builtin): Likewise.
4183
4184         * config/i386/mm3dnow.h (__v2sf): Moved to ...
4185         * config/i386/mmintrin.h (__v2sf): Here.
4186
4187         * config/i386/xmmintrin.h (_mm_loadh_pi): Replace __v2si with
4188         const __v2sf.
4189         (_mm_loadl_pi): Likewise.
4190         (_mm_storeh_pi): Replace __v2si with __v2sf.
4191         (_mm_storel_pi): Likewise.
4192
4193         * doc/extend.texi: Correct __builtin_ia32_loadhps,
4194         __builtin_ia32_loadlps, __builtin_ia32_storehps,
4195         __builtin_ia32_storelps, __builtin_ia32_loadhpd and
4196         __builtin_ia32_loadlpd.
4197
4198 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
4199
4200         * config/i386/i386.c (ix86_builtin_type): Add FLOAT_FTYPE_FLOAT,
4201         V4SF_FTYPE_V4SF_VEC_MERGE and V2DF_FTYPE_V2DF_VEC_MERGE.
4202         (bdesc_args): Updated.  Add scalar SSE builtins with vec_merge.
4203         (ix86_init_mmx_sse_builtins): Updated.
4204         (ix86_expand_args_builtin): Likewise.
4205         (ix86_expand_builtin): Likewise.
4206         (ix86_expand_unop1_builtin): Renamed to ...
4207         (ix86_expand_unop_vec_merge_builtin): This.
4208
4209 2008-05-01  Jan Hubicka  <jh@suse.cz>
4210
4211         PR bootstrap/36100
4212         * ipa-inline.c (inline_generate_summary): Make static.
4213         (inline_transform): Do not call inlining at -O0; make static.
4214         * passes.c (execute_todo): Add sanity check.
4215         (execute_one_ipa_transform_pass): Execute proper flags.
4216
4217 2008-05-01  Eric Botcazou  <ebotcazou@adacore.com>
4218
4219         * tree.h (TYPE_NONALIASED_COMPONENT): Expand comment.
4220         (DECL_NONADDRESSABLE_P): Likewise.
4221         * alias.c (record_component_aliases): Fix comment.
4222
4223 2008-05-01  Simon Baldwin <simonb@google.com>
4224
4225         * c-common.h (warn_array_subscript_range): New function.
4226         * c-common.c (warn_array_subscript_range): Ditto.
4227         * tree-vrp.c (check_array_ref): Corrected code to agree with
4228         comment, ignoring only arrays of size 0 or size 1.
4229         * c-typeck.c (build_array_ref): Call warn_array_subscript_range.
4230
4231 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
4232
4233         * config/i386/i386.c (ix86_builtin_type): Replace
4234         DI_FTYPE_DI_DI_INT with V1DI2DI_FTYPE_V1DI_V1DI_INT.
4235         (bdesc_args): Updated.
4236         (ix86_init_mmx_sse_builtins): Likewise.
4237         (ix86_expand_args_builtin): Likewise.
4238
4239         * config/i386/tmmintrin.h (_mm_alignr_pi8): Replace long long
4240         with __v1di.
4241
4242         * doc/extend.texi: Correct __builtin_ia32_palignr.
4243
4244 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
4245
4246         PR target/36095
4247         * config/i386/i386.c (bdesc_crc32): Removed.
4248         (ix86_expand_crc32): Likewise.
4249         (ix86_builtin_type): Replace V2DI2TI_FTYPE_V2DI2TI_INT with
4250         V2DI2TI_FTYPE_V2DI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT with
4251         V2DI2TI_FTYPE_V2DI_V2DI_INT.  Add UINT64_FTYPE_UINT64_UINT64,
4252         UINT_FTYPE_UINT_UINT, UINT_FTYPE_UINT_USHORT and
4253         UINT_FTYPE_UINT_UCHAR.
4254         (bdesc_args): Updated. Add crc32 builtins.
4255         (ix86_init_mmx_sse_builtins): Updated.
4256         (ix86_expand_args_builtin): Updated to support subreg.
4257
4258         * doc/extend.texi: Correct __builtin_ia32_crc32di.
4259
4260 2008-05-01  Jan Hubicka  <jh@suse.cz>
4261
4262         * tree-pass.h (opt_pass): Add IPA_PASS.
4263         (varpool_node, cgraph_node): Forward declare.
4264         (ipa_opt_pass): Define.
4265         (pass_ipa_inline): Turn into ipa_opt_pass.
4266         (pass_apply_inline): Remove.
4267         * ipa-inline.c (pass_ipa_inline): Turn into ipa_opt_pass.
4268         (apply_inline): Turn into ....
4269         (inline_transform): ... this one.
4270         (inline_generate_summary): New function.
4271         (pass_apply_inline): Remove.
4272         * function.h (ipa_opt_pass): Forward declare structure; typedef;
4273         vector.
4274         (struct function): Add ipa_transforms_to_apply.
4275         * passes.c (register_one_dump_file): Work on IPA_PASS.
4276         (init_optimization_passes): Remove pass_inline_parameters and
4277         pass_apply_inline.
4278         (pass_init_dump_file, pass_fini_dump_file): Break out from ....
4279         (execute_one_pass) ... here; apply transforms when possible.
4280         (add_ipa_transform_pass, execute_ipa_summary_asses,
4281         execute_one_ipa_transform_pass): New.
4282         (execute_ipa_pass_list): Update for IPA_PASS type.
4283
4284 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
4285
4286         * config/i386/i386.c (ix86_builtin_type): Add
4287         V2DI_FTYPE_V2DI_V16QI, V2DI_FTYPE_V2DI_UINT_UINT and
4288         V2DI_FTYPE_V2DI_V2DI_UINT_UINT.
4289         (bdesc_args): Add SSE4a builtins.
4290         (ix86_init_mmx_sse_builtins): Updated.
4291         (ix86_expand_args_builtin): Likewise.
4292         (ix86_expand_builtin): Likewise.
4293
4294 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
4295
4296         * config/i386/i386.c (ix86_builtin_type): Add
4297         V8HI_FTYPE_V8HI_V8HI_COUNT, V8HI_FTYPE_V8HI_SI_COUNT,
4298         V4SI_FTYPE_V4SI_V4SI_COUNT, V4SI_FTYPE_V4SI_SI_COUNT,
4299         V4HI_FTYPE_V4HI_V4HI_COUNT, V4HI_FTYPE_V4HI_SI_COUNT,
4300         V2DI_FTYPE_V2DI_V2DI_COUNT, V2DI_FTYPE_V2DI_SI_COUNT,
4301         V2SI_FTYPE_V2SI_V2SI_COUNT, V2SI_FTYPE_V2SI_SI_COUNT,
4302         V1DI_FTYPE_V1DI_V1DI_COUNT, V1DI_FTYPE_V1DI_SI_COUNT,
4303         V8HI_FTYPE_V8HI_INT, V4SI_FTYPE_V4SI_INT, V4HI_FTYPE_V4HI_INT,
4304         V2DI2TI_FTYPE_V2DI2TI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT
4305         and DI_FTYPE_DI_DI_INT.
4306         (bdesc_args): Add MMX/SSE shift, shuffle and palignr builtins.
4307         (ix86_init_mmx_sse_builtins): Updated.
4308         (ix86_expand_args_builtin): Likewise.
4309         (ix86_expand_builtin): Likewise.
4310         (ix86_expand_binop_imm_builtin): Removed.
4311
4312         * doc/extend.texi: Correct __builtin_ia32_palignr128.
4313
4314 2008-04-30  Richard Guenther  <rguenther@suse.de>
4315
4316         PR tree-optimization/32921
4317         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Disambiguate with TBAA.
4318
4319 2008-04-30  Richard Sandiford  <rsandifo@nildram.co.uk>
4320
4321         * config/arm/arm.c (arm_unwind_emit): Use
4322         crtl->all_throwers_are_sibcalls instead of
4323         cfun->all_throwers_are_sibcalls.
4324         (arm_output_fn_unwind): Likewise.
4325         * config/frv/frv.c (frv_stack_info): Use crtl->uses_pic_offset_table
4326         instead of cfun->uses_pic_offset_table.
4327         (frv_expand_prologue): Likewise.
4328         (frv_frame_pointer_required): Likewise.
4329         (frv_expand_fdpic_call): Likewise.
4330         (frv_emit_movsi): Likewise.
4331         * config/iq2000/iq2000.c (iq2000_expand_prologue): Use
4332         cfun->returns_pcc_struct instead of
4333         current_function_returns_pcc_struct.
4334         * config/m32c/m32c.c (need_to_save): Use crtl->calls_eh_return
4335         instead of cfun->calls_eh_return.
4336         (m32c_pushm_popm): Likewise.
4337         * config/xtensa/xtensa.h (cfun->calls_alloca): Remove bogus
4338         "extern" declaration.
4339
4340 2008-04-30  Richard Guenther  <rguenther@suse.de>
4341
4342         PR tree-optimization/21636
4343         * tree-ssa-ccp.c (ccp_fold): Handle &p->x with p being a
4344         constant address.
4345         (evaluate_stmt): Print the likely value.
4346         (ccp_visit_stmt): Avoid excessive vertical spacing.
4347
4348 2008-04-30  Rafael Espindola  <espindola@google.com>
4349
4350         * builtins.c (fold_call_expr): Return realret.
4351         * tree-ssa-threadedge.c
4352         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
4353         __builtin_object_size.
4354
4355 2008-04-30  Seongbae Park  <seongbae.park@gmail.com>
4356
4357         * gcc.c (wrapper_string): New variable.
4358         (insert_wrapper): New function.
4359         (execute): New option -wrapper.
4360         * doc/invoke.texi (Overall Options): New driver option -wrapper.
4361
4362 2008-04-30  Nathan Froyd  <froydnj@codesourcery.com>
4363
4364         * config/rs6000/crtresgpr.asm, config/rs6000/crtresxgpr.asm,
4365         config/rs6000/crtsavgpr.asm, config/rs6000/crtresfpr.asm,
4366         config/rs6000/crtresxfpr.asm, config/rs6000/crtsavfpr.asm: Break out
4367         from...
4368         * config/rs6000/crtsavres.asm: ...here.  Remove unneeded file.
4369         * config/rs6000/e500crtres32gpr.asm, config/rs6000/e500crtres64gpr.asm,
4370         config/rs6000/e500crtres64gprctr.asm,
4371         config/rs6000/e500crtrest32gpr.asm, config/rs6000/e500crtrest64gpr.asm,
4372         config/rs6000/e500crtresx32gpr.asm, config/rs6000/e500crtresx64gpr.asm,
4373         config/rs6000/e500crtsav32gpr.asm, config/rs6000/e500crtsav64gpr.asm,
4374         config/rs6000/e500crtsav64gprctr.asm,
4375         config/rs6000/e500crtsavg32gpr.asm, config/rs6000/e500crtsavg64gpr.asm,
4376         config/rs6000/e500crtsavg64gprctr.asm: New files.
4377         * config/rs6000/t-ppccomm: Add build rules for new files.
4378         (LIB2FUNCS_STATIC_EXTRA): Add new files.
4379         * config/rs6000/t-netbsd: Add build rules for new files.
4380         (LIB2FUNCS_STATIC_EXTRA): New variable.
4381         * config/rs6000/sysv4.h (ENDFILE_SPEC): Don't include crtsavres.o
4382         (CRTSAVRES_DEFAULT_SPEC): Likewise.
4383         * config/rs6000/netbsd.h (ENDFILE_SPEC): Likewise.
4384
4385 2008-04-30  H.J. Lu  <hongjiu.lu@intel.com>
4386
4387         * config/i386/i386.c (ix86_builtin_type): Add
4388         FLOAT128_FTYPE_FLOAT128_FLOAT128, V16QI_FTYPE_V16QI_V16QI,
4389         V16QI_FTYPE_V8HI_V8HI, V8QI_FTYPE_V8QI_V8QI,
4390         V8QI_FTYPE_V4HI_V4HI, V8HI_FTYPE_V8HI_V8HI,
4391         V8HI_FTYPE_V16QI_V16QI, V8HI_FTYPE_V4SI_V4SI,
4392         V4SI_FTYPE_V4SI_V4SI, V4SI_FTYPE_V8HI_V8HI,
4393         V4SI_FTYPE_V4SF_V4SF, V4SI_FTYPE_V2DF_V2DF,
4394         V4HI_FTYPE_V4HI_V4HI, V4HI_FTYPE_V8QI_V8QI,
4395         V4HI_FTYPE_V2SI_V2SI, V4SF_FTYPE_V4SF_V4SF,
4396         V4SF_FTYPE_V4SF_V4SF_SWAP, V4SF_FTYPE_V4SF_V2SI,
4397         V4SF_FTYPE_V4SF_V2DF, V4SF_FTYPE_V4SF_DI,
4398         V4SF_FTYPE_V4SF_SI, V2DI_FTYPE_V2DI_V2DI,
4399         V2DI_FTYPE_V16QI_V16QI, V2DI_FTYPE_V4SI_V4SI,
4400         V2DI_FTYPE_V2DF_V2DF, V2SI_FTYPE_V2SI_V2SI,
4401         V2SI_FTYPE_V4HI_V4HI, V2SI_FTYPE_V2SF_V2SF,
4402         V2DF_FTYPE_V2DF_V2DF, V2DF_FTYPE_V2DF_V2DF_SWAP,
4403         V2DF_FTYPE_V2DF_V4SF, V2DF_FTYPE_V2DF_DI,
4404         V2DF_FTYPE_V2DF_SI, V2SF_FTYPE_V2SF_V2SF,
4405         V1DI_FTYPE_V1DI_V1DI, V1DI_FTYPE_V8QI_V8QI and
4406         V1DI_FTYPE_V2SI_V2SI.
4407         (bdesc_2arg): Moved to ...
4408         (bdesc_args): Here.
4409         (ix86_init_mmx_sse_builtins): Updated.
4410         (ix86_expand_args_builtin): Updated.  Take a pointer
4411         to const struct builtin_description.  Handle comparison
4412         builtin functions.
4413         (ix86_expand_sse_compare): Take a new argument for swapping operands.
4414         (ix86_expand_builtin): Updated.
4415
4416         * config/i386/sse.md (ssse3_pmaddubswv8hi3): Renamed to ...
4417         (ssse3_pmaddubsw128): This.
4418         (ssse3_pmaddubswv4hi3): Renamed to ...
4419         (ssse3_pmaddubsw): This.
4420
4421         * doc/extend.texi (__builtin_ia32_packsswb128): Correct prototype.
4422         (__builtin_ia32_packssdw128): Likewise.
4423         (__builtin_ia32_packuswb128): Likewise.
4424         (__builtin_ia32_pmaddubsw): Likewise.
4425         (__builtin_ia32_pmaddubsw128): Likewise.
4426
4427 2008-04-30  Richard Guenther  <rguenther@suse.de>
4428
4429         PR tree-optimization/14847
4430         * tree-ssa-ifcombine.c (get_name_for_bit_test): New helper function.
4431         (recognize_bits_test): Use it.
4432         (recognize_single_bit_test): Likewise.
4433
4434 2008-04-30  Martin Jambor  <mjambor@suse.cz>
4435
4436         * ipa-cp.c (ipcp_init_stage): Calls ipa_set_called_with_variable_arg
4437         instead of setting number of formal parameters to zero.
4438         (ipcp_init_stage): Do not set the number of actual parameters to zero 
4439         either.
4440         (ipcp_propagate_stage): Explicitly skipping all calls to nodes
4441         which are called with variable number of arguments.
4442         (ipcp_insert_stage): Explicitely skipping all nodes which are
4443         called with variable number of arguments.
4444         (ipcp_callsite_param_print): Skipps callsites to nodes with varaible 
4445         number of parameters.
4446
4447         * ipa-prop.h (struct ipa_node_params): Added flag
4448         called_with_var_arguments
4449         (ipa_set_param_count): Added.  Changed sole setter to use it.
4450         (ipa_get_param_count): Added.  All readers of param_count
4451         converted to use it instead.
4452         (ipa_set_called_with_variable_arg): Added.
4453         (ipa_is_called_with_var_arguments): Added.
4454         (ipa_get_ith_param): Added.  All readers of param_decls converted
4455         to use it instead.
4456         (ipa_set_cs_argument_count): Added, sole writer to argument_count 
4457         changed to use it. 
4458         (ipa_get_cs_argument_count): Added, all readers of argument_count
4459         changed to cal it.
4460         (ipa_get_ith_jump_func): Added. Accessors of jump values changed 
4461         to use it.
4462         
4463         * ipa-prop.h (struct ipcp_formal): Renamed to ipcp_lattice
4464         (struct ipcp_lattice): Renamed cval_type to type
4465         (struct ipa_node_params): ipcp_cval renamed to ipcp_lattices
4466
4467         * ipa-cp.c (ipcp_cval_get_cvalue): Changed return value to tree
4468         (ipcp_cval_set_cvalue): Changed type of parameter value to tree
4469         (ipcp_insert_stage): Changed the type of variable cvalue to tree
4470         (ipcp_replace_map_create): Changed the type of parameter cvalue to tree
4471         (build_const_val): Changed the type of parameter cvalue to tree
4472         (ipcp_propagate_const): Changed the type of parameter cvalue to tree
4473         (ipcp_method_cval_set_cvalue_type): Renamed parameter cval_type1 to type
4474         
4475         * ipa-prop.h (struct ipcp_formal): Replaced cvalue with tree called 
4476         constant 
4477
4478         * ipa-prop.c (ipa_methodlist_init): Renamed to ipa_init_func_list
4479         (ipa_methodlist_not_empty): Removed, the sole user now checks directly
4480         (ipa_add_method): Renamed to ipa_push_func_to_list
4481         (ipa_remove_method): Renamed to ipa_pop_func_from_list
4482         (ipa_callsite_param_count): Removed.
4483         (ipa_callsite_param_count_set): Removed.
4484         (ipa_callsite_param): Removed.
4485         (ipa_callsite_callee): Removed.
4486         (ipa_callsite_compute_param): Renamed to ipa_compute_jump_functions
4487         (ipa_callsite_compute_count): Renamed to ipa_count_arguments
4488         (ipa_method_formal_count): Removed.
4489         (ipa_method_formal_count_set): Removed.
4490         (ipa_method_get_tree): Removed.
4491         (ipa_method_tree_map_create): Removed.
4492         (ipa_method_compute_tree_map): Renamed to ipa_create_param_decls_array
4493         (ipa_create_param_decls_array): Creates the array itself
4494         (ipa_create_param_decls_array): Temporary variable info instead of 
4495         a few dereferences.
4496         (ipa_method_formal_compute_count): Renamed to ipa_count_formal_params
4497         (ipa_method_compute_modify): Renamed to ipa_detect_param_modifications
4498         (get_type): Removed.
4499         (ipa_jf_get_info_type): Removed.
4500         (ipa_node_create): Renamed to ipa_create_node_params
4501         (ipa_free): Renamed to ipa_free_all_node_params
4502         (ipa_nodes_create): Renamed to ipa_create_all_node_params
4503         (ipa_edges_create): Renamed to ipa_create_all_edge_args
4504         (ipa_edges_free): Renamed to ipa_free_all_edge_args
4505         (ipa_nodes_free): Integrated into ipa_free_all_node_params and removed
4506         (ipa_free_all_node_params): Deallocation to jump_functions moved to 
4507         ipa_free_all_edge_args
4508         (ipa_method_tree_print): Renamed to ipa_print_all_tree_maps
4509         (ipa_method_modify_print): Renamed to ipa_print_all_params_modified
4510         (ipa_create_methodlist_node): Removed.
4511         (ipa_methodlist_method): Removed.
4512         (ipa_methodlist_method_set): Removed.
4513         (ipa_methodlist_next_method): Removed.
4514         (ipa_methodlist_next_method_set): Removed.
4515         (ipa_method_is_modified): Removed.
4516         (ipa_method_modify_create): Removed.
4517         (ipa_method_modify_init): Temporary variable info instead of a few 
4518         dereferences.
4519         (ipa_detect_param_modifications): Temporary variable info instead of 
4520         a few dereferences.
4521         (ipa_compute_jump_functions): Temporary variable info instead of 
4522         a few dereferences.
4523         (ipa_method_modify_set): Removed.
4524         (ipa_method_tree_map): Renamed to ipa_get_param_decl_index
4525         (ipa_get_param_decl_index): Now accepts struct ipa_node_params rather 
4526         than craph_node as the first parameter.
4527         (ipa_method_modify_stmt): Renamed to ipa_check_stmt_modifications
4528         (ipa_method_modify_init): Removed.
4529         (ipa_compute_jump_functions): Added a temp variable instead of 
4530         repeatadly dereferencing the cgraph_edge.aux pointer
4531         (ipa_callsite_param_set_type): Removed.
4532         (ipa_compute_jump_functions): i renamed to index and moved to 
4533         an inner block
4534         (ipa_callsite_param_set_info_type_formal): Removed.
4535         (ipa_callsite_param_set_info_type): Removed.
4536         (ipa_callsite_param_map_create): Removed.
4537         (ipa_callsite_tree): Removed.
4538         (ipa_callsite_caller): Removed.
4539         (ipa_pop_func_from_list): return_method removed to return_func
4540
4541         * ipa-prop.h (enum cvalue_type): Renamed to ipa_lattice_type,
4542         prefixed all values with IPA_. Changed all users.
4543         (enum jump_func_type): Rnamed UNKNOWN_IPATYPE to IPA_UNKNOWN, 
4544         CONST_IPATYPE to IPA_CONST, CONST_IPATYPE_REF to IPA_CONST_REF 
4545         and FORMAL_IPATYPE IPA_PASS_THROUGH. 
4546         (union parameter_info): Renamed to jump_func_value.
4547         (union jump_func_value): Renamed value to constant
4548         (struct ipa_jump_func): Renamed info_type to value
4549         (struct ipa_node): Renamed to ipa_node_params
4550         (struct ipa_node_params): Renamed ipa_arg_num to param_count
4551         (struct ipa_node_params): Renamed ipa_param_tree to param_decls
4552         (struct ipa_node_params): Renamed ipa_mod to modified_flags
4553         (struct ipa_edge): Renamed to ipa_edge_args
4554         (struct ipa_edge_args): Renamed ipa_param_num to argument_count
4555         (struct ipa_edge_args): Renamed ipa_param_map to jump_functions
4556         (struct ipa_methodlist): Renamed to ipa_func_list
4557         (struct ipa_func_list): method_p renamed to node, next_method
4558         renamed to next
4559         (ipa_methodlist_p): Removed, switched all users to struct pointer
4560         (IS_VALID_TREE_MAP_INDEX): Renamed to IS_VALID_JUMP_FUNC_INDEX
4561
4562 2008-04-30  Alan Modra  <amodra@bigpond.net.au>
4563
4564         * config/rs6000/rs6000.c (ALWAYS_RESTORE_ALTIVEC_BEFORE_POP): Define.
4565         (rs6000_emit_epilogue): Use backchain to restore only when we
4566         have a large frame.  Make use of frame pointer to restore if we
4567         have one.  Handle ALWAYS_RESTORE_ALTIVEC_BEFORE_POP.
4568
4569 2008-04-29  Paolo Bonzini  <bonzini@gnu.org>
4570
4571         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
4572         Add mode to zero_extract.
4573         (sign bit tests peepholes): (Ditto.).
4574
4575 2008-04-29  H.J. Lu  <hongjiu.lu@intel.com>
4576
4577         * config/i386/i386.c (ix86_builtins): Replace Prescott New
4578         Instructions in comments with SSE3.
4579         (ix86_builtin_type): This.  Add FLOAT128_FTYPE_FLOAT128,
4580         INT64_FTYPE_V4SF, INT64_FTYPE_V2DF, INT_FTYPE_V16QI,
4581         INT_FTYPE_V8QI, INT_FTYPE_V4SF, INT_FTYPE_V2DF,
4582         V16QI_FTYPE_V16QI, V8HI_FTYPE_V8HI, V8HI_FTYPE_V16QI,
4583         V8QI_FTYPE_V8QI, V4SI_FTYPE_V4SI, V4SI_FTYPE_V16QI,
4584         V4SI_FTYPE_V4SF, V4SI_FTYPE_V8HI, V4SI_FTYPE_V2DF,
4585         V4HI_FTYPE_V4HI, V4SF_FTYPE_V4SF, V4SF_FTYPE_V4SI,
4586         V4SF_FTYPE_V2DF, V2DI_FTYPE_V2DI, V2DI_FTYPE_V16QI,
4587         V2DI_FTYPE_V8HI, V2DI_FTYPE_V4SI, V2DF_FTYPE_V2DF,
4588         V2DF_FTYPE_V4SI, V2DF_FTYPE_V4SF, V2DF_FTYPE_V2SI,
4589         V2SI_FTYPE_V2SI, V2SI_FTYPE_V4SF, V2SI_FTYPE_V2SF,
4590         V2SI_FTYPE_V2DF, V2SF_FTYPE_V2SF and V2SF_FTYPE_V2SI.
4591         (bdesc_sse_args): Renamed to ...
4592         (bdesc_args): This.  Add IX86_BUILTIN_PF2ID, IX86_BUILTIN_PFRCP,
4593         IX86_BUILTIN_PFRSQRT, IX86_BUILTIN_PI2FD, IX86_BUILTIN_PF2IW,
4594         IX86_BUILTIN_PSWAPDSI, IX86_BUILTIN_PSWAPDSF and
4595         IX86_BUILTIN_FABSQ.
4596         (bdesc_1arg): Moved to ...
4597         (bdesc_args): Here.
4598         (ix86_init_mmx_sse_builtins): Updated.  Replace Prescott New
4599         Instructions in comments with SSE3.
4600         (ix86_expand_sse_operands_builtin): Renamed to ...
4601         (ix86_expand_args_builtin): This.  Updated.
4602         (ix86_expand_unop1_builtin): Update comments.
4603         (ix86_expand_builtin): Updated.
4604
4605 2008-04-29  Richard Guenther  <rguenther@suse.de>
4606
4607         PR tree-optimization/36078
4608         * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely):
4609         Update virtual SSA form after cleaning up the CFG.
4610
4611 2008-04-29  Richard Guenther  <rguenther@suse.de>
4612
4613         PR middle-end/15255
4614         * fold-const.c (fold_binary): Fold (A + A) * C to A * 2*C.
4615
4616 2008-04-29  Richard Guenther  <rguenther@suse.de>
4617
4618         * tree-ssa-alias.c (finalize_ref_all_pointers): Remove.
4619         (compute_may_aliases): Do not call finalize_ref_all_pointers.
4620         (compute_flow_insensitive_aliasing): Do not treat
4621         PTR_IS_REF_ALL pointers special.
4622         (get_smt_for): Likewise.
4623         (may_alias_p): Re-structure.
4624         (is_escape_site): A ref-all pointer conversion is not an escape site.
4625         * tree-ssa-structalias.c (find_what_p_points_to): Do not treat
4626         PTR_IS_REF_ALL pointers special.
4627         * tree-ssa-structalias.h (struct alias_info): Remove
4628         ref_all_symbol_mem_tag field.
4629         (PTR_IS_REF_ALL): Remove.
4630
4631 2008-04-29  Richard Guenther  <rguenther@suse.de>
4632
4633         PR middle-end/36077
4634         * fold-const.c (extract_muldiv_1): In combining division constants
4635         make sure to never overflow.
4636
4637 2008-04-29  Nick Clifton  <nickc@redhat.com>
4638
4639         * doc/tm.texi (RETURN_ADDR_RTX): Fix typo.
4640
4641 2008-04-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4642
4643         PR bootstrap/35169
4644         * optc-gen.awk: Work around HP-UX/IA awk bug.
4645
4646 2008-04-28  Danny Smith  <dannysmith@users.sourceforge.net>
4647
4648         * config/i386/cygming-crtend.c (register_frame_ctor): Revert my
4649         2008-04-25 commit.
4650
4651 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
4652
4653         PR target/36073
4654         * config/i386/i386.md
4655         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit):
4656         Change operand 1 predicate to nonimmediate_operand.
4657
4658 2008-04-28  Jakub Jelinek  <jakub@redhat.com>
4659
4660         PR debug/36060
4661         * dwarf2out.c (struct die_struct): Mark as chain_circular through
4662         die_sub field.
4663         * gengtype.c (walk_type, write_func_for_structure): Handle
4664         chain_circular.
4665         * doc/gty.texi: Document chain_circular.
4666
4667 2008-04-28  Richard Guenther  <rguenther@suse.de>
4668
4669         PR tree-optimization/36066
4670         * tree-vrp.c (execute_vrp): Cleanup the CFG only after finalizing
4671         SCEV and loop.
4672
4673 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
4674
4675         PR target/36064
4676         * config/i386/i386.md
4677         (floatdi<X87MODEF:mode>2_i387_with_xmm splitters):
4678         Use match_scratch instead of match_operand for operands 3 and 4.
4679
4680 2008-04-27  Richard Guenther  <rguenther@suse.de>
4681
4682         PR tree-optimization/18754
4683         PR tree-optimization/34223
4684         * tree-pass.h (pass_complete_unrolli): Declare.
4685         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Print
4686         loop size before and after unconditionally of UL_NO_GROWTH in effect.
4687         Rewrite loop into loop closed SSA form if it is not already.
4688         (tree_unroll_loops_completely): Re-structure to iterate over
4689         innermost loops with intermediate CFG cleanups.
4690         Unroll outermost loops only if requested or the code does not grow
4691         doing so.
4692         * tree-ssa-loop.c (gate_tree_vectorize): Don't shortcut if no
4693         loops are available.
4694         (tree_vectorize): Instead do so here.
4695         (tree_complete_unroll): Also unroll outermost loops.
4696         (tree_complete_unroll_inner): New function.
4697         (gate_tree_complete_unroll_inner): Likewise.
4698         (pass_complete_unrolli): New pass.
4699         * tree-ssa-loop-manip.c (find_uses_to_rename_use): Only record
4700         uses outside of the loop.
4701         (tree_duplicate_loop_to_header_edge): Only verify loop-closed SSA
4702         form if it is available.  
4703         * tree-flow.h (tree_unroll_loops_completely): Add extra parameter.
4704         * passes.c (init_optimization_passes): Schedule complete inner
4705         loop unrolling pass before the first CCP pass after final inlining.
4706
4707 2008-04-27  Nathan Sidwell  <nathan@codesourcery.com>
4708
4709         * targhooks.h (default_emutls_var_fields,
4710         default_emutls_var_init): Declare.
4711         * tree.h (DECL_THREAD_LOCAL): Compare against TLS_MODEL_REAL.
4712         * target.h (struct gcc_target): Add struct emutls member.
4713         * target-def.h (TARGET_EMUTLS_GET_ADDRESS,
4714         TARGET_EMUTLS_REGISTER_COMMON, TARGET_EMUTLS_VAR_SECTION,
4715         TARGET_EMUTLS_TMPL_SECTION, TARGET_EMUTLS_VAR_PREFIX,
4716         TARGET_EMUTLS_TMPL_PREFIX, TARGET_EMUTLS_VAR_FIELDS,
4717         TARGET_EMUTLS_VAR_INIT, TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS,
4718         TARGET_EMUTLS_VAR_ALIGN_FIXED, TARGET_EMUTLS): New.
4719         (TARGET_INITIALIZER): Add TARGET_EMUTLS.
4720         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS,
4721         BUILT_IN_EMUTLS_REGISTER_COMMON): Get name from targetm structure.
4722         * dwarf2out.c (loc_descriptor_from_tree_1): Check if emutls can
4723         emit debug information.
4724         * coretypes.h (tls_model): Add TLS_MODEL_EMULATED, TLS_MODEL_REAL.
4725         * varasm.c: Include targhooks.h.
4726         (emutls_object_section, emutls_tmpl_section): New.
4727         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): Remove.
4728         (EMUTLS_SEPARATOR): New.
4729         (prefix_name): New.
4730         (get_emutls_object_name): New.
4731         (default_emutls_var_fields): New, broken out of ...
4732         (get_emutls_object_type): ... here.  Adjust to use target hooks.
4733         (get_emutls_init_templ_addr): Adjust to use target hooks.
4734         (emutls_decl): Adjust to use target hooks.
4735         (emutls_finish): Likewise.
4736         (default_emutls_var_init): New, broken out of ...
4737         (assemble_variable): ... here.  Adjust to use target hooks.
4738         * output.h (enum section_category): Add SECCAT_EMUTLS_VAR,
4739         SECCAT_EMUTLS_TMPL.
4740         * c-common.c (handle_section_attribute): Prevent overriding
4741         sections for emulated tls with special sections.
4742         * config/i386/i386.c (x86_64_elf_select_section): Add
4743         SECCAT_EMUTLS_VAR and SECCAT_EMUTLS_TMPL.
4744         (x86_64_elf_unique_section): Likewise.
4745         * config/vxworks.c: Include tree.h.
4746         (vxworks_emutls_var_fields, vxworks_emutls_var_init): New.
4747         (vxworks_override_options): Set TLS scheme.
4748         * doc/tm.texi (Emulated TLS): New node.
4749
4750 2008-04-26  Simon Baldwin <simonb@google.com>
4751
4752         PR c/35652
4753         * builtins.c (c_strlen): Suppressed multiple warnings that can occur
4754         with propagated string constants.
4755
4756 2008-04-26  Uros Bizjak  <ubizjak@gmail.com>
4757
4758         * config/i386/i386.md (fix_trunc<mode>_i387_fisttp_with_temp): Use 'X'
4759         constraint for operand 2 when operand 0 is memory operand.
4760         (fix_truncdi_i387_with_temp): : Use 'X' constraint for operand 4 when
4761         operand 0 is memory operand.
4762         (fix_trunc<mode>_i387_with_temp): Ditto.
4763         (*floatsi<mode>2_vector_mixed_with_temp): Use 'X' constraint for
4764         operand 2 when operand 1 is memory operand.
4765         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_with_temp): Ditto.
4766         (*floatsi<mode>2_vector_sse_with_temp): Ditto.
4767         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_with_temp): Ditto.
4768         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
4769         (floatdi<X87MODEF:mode>2_i387_with_xmm): Use 'X' constraint for
4770         operands 2,3 and 4 when operand 1 is memory operand.
4771         (fistdi2_with_temp): Use 'X' constraint for operand 2 when operand 0
4772         is memory operand.
4773         (fistdi2_floor_with_temp): Ditto.
4774         (fist<mode>2_floor_with_temp): Ditto.
4775         (fistdi2_ceil_with_temp): Ditto.
4776         (fist<mode>2_ceil_with_temp): Ditto.
4777         (*truncdfsf_fast_mixed): Merge alternatives 0 and 1.
4778
4779 2008-04-26  David Daney  <ddaney@avtrex.com>
4780
4781         * config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP_12): New
4782         unspec_volitile.
4783         (UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE,
4784         UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
4785         UNSPEC_UPDATE_GOT_VERSION): Renumber.
4786         (sync_compare_and_swap<mode>): New expand for QI and HI modes.
4787         (compare_and_swap_12): New insn.
4788         * config/mips/mips-protos.h (mips_expand_compare_and_swap_12): Declare.
4789         * config/mips/mips.c (mips_force_binary): New function.
4790         (mips_emit_int_order_test, mips_expand_synci_loop): Use it.
4791         (mips_expand_compare_and_swap_12): New function.
4792         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): New macro.
4793
4794 2008-04-25  Jan Hubicka  <jh@suse.cz>
4795
4796         PR testsuite/35843
4797         * cfgexpand.c (pass_expand): Turn into RTL pass.
4798         * passes.c (execute_one_pass): Do pass typechecking after execution.
4799         * tree-pass.h (pass_expand): Turn into RTL pass.
4800
4801         * function.h (struct rtl_data): Move here fields
4802         accesses_prior_frames, calls_eh_return, saves_all_registers,
4803         has_nonlocal_goto, has_asm_statement, is_thunk,
4804         all_throwers_are_sibcalls, limit_stack, profile, uses_const_pool,
4805         uses_pic_offset_table, uses_eh_lsda, tail_call_emit,
4806         arg_pointer_save_area_init from struct function; turn into bool.
4807         (struct function): Move
4808         calls_eh_return, saves_all_registers, has_nonlocal_goto,
4809         has_asm_statement, is_thunk, all_throwers_are_sibcalls, limit_stack,
4810         profile, uses_const_pool, uses_pic_offset_table, uses_eh_lsda,
4811         tail_call_emit, arg_pointer_save_area_init
4812         into struct rtl_data.  Remove recursive_call_emit and gimplified flags.
4813         (current_function_returns_struct, current_function_returns_pcc_struct,
4814         current_function_calls_setjmp, current_function_calls_alloca,
4815         current_function_accesses_prior_frames,
4816         current_function_calls_eh_return, current_function_is_thunk,
4817         current_function_stdarg, current_function_profile,
4818         current_function_limit_stack, current_function_uses_pic_offset_table,
4819         current_function_uses_const_pool, current_function_has_nonlocal_label,
4820         current_function_saves_all_registers,
4821         current_function_has_nonlocal_goto,
4822         current_function_has_asm_statement): Remove accesor macros.
4823         * ra-conflict.c (global_conflicts): Update.
4824         * tree-tailcall.c (suitable_for_tail_opt_p): Update.
4825         (suitable_for_tail_call_opt_p): Update.
4826         * builtins.c (expand_builtin_return_addr): Update.
4827         (expand_builtin_setjmp_setup): Update.
4828         (expand_builtin_nonlocal_goto): Update.
4829         * final.c (final_start_function): Update.
4830         (profile_function): Update.
4831         (leaf_function_p): Update.
4832         (only_leaf_regs_used): Update.
4833         * df-scan.c (df_get_exit_block_use_set): Update.
4834         * dojump.c (clear_pending_stack_adjust): Update.
4835         * tree-stdarg.c (gate_optimize_stdarg): Update.
4836         * gimple-low.c (lower_function_body): Update.
4837         * global.c (compute_regsets): Update.
4838         (global_alloc): Update.
4839         * dwarf2out.c (dwarf2out_begin_prologue): Update.
4840         * expr.c (expand_assignment): Update.
4841         * dse.c (dse_step0): Update.
4842         (dse_step1): Update.
4843         * c-decl.c (store_parm_decls): Update.
4844         * local-alloc.c (combine_regs): Update.
4845         (find_free_reg): Update.
4846         * function.c (assign_parms_augmented_arg_list): Update.
4847         (assign_parm_find_data_types): Update.
4848         (assign_parms): Update.
4849         (allocate_struct_function): Update.
4850         (expand_function_start): Update.
4851         (expand_function_end): Update.
4852         (get_arg_pointer_save_area): Update.
4853         (thread_prologue_and_epilogue_insns): Update.
4854         (rest_of_match_asm_constraints): Update.
4855         * stor-layout.c (variable_size): Update.
4856         * gcse.c (gcse_main): Update.
4857         (bypass_jumps): Update.
4858         * gimplify.c (gimplify_function_tree): Update.
4859         * calls.c (emit_call_1): Update.
4860         (expand_call): Update.
4861         * bt-load.c (compute_defs_uses_and_gen): Update.
4862         * except.c (sjlj_assign_call_site_values): Update.
4863         (sjlj_emit_function_enter): Update.
4864         (can_throw_external): Update.
4865         (set_nothrow_function_flags): Update.
4866         (expand_builtin_unwind_init): Update.
4867         (expand_eh_return): Update.
4868         (convert_to_eh_region_ranges): Update.
4869         (output_function_exception_table): Update.
4870         * emit-rtl.c (gen_tmp_stack_mem): Update.
4871         * cfgexpand.c (expand_used_vars): Update.
4872         (tree_expand_cfg): Update.
4873         * cfgcleanup.c (rest_of_handle_jump): Update.
4874         * explow.c (allocate_dynamic_stack_space): Update.
4875         * varasm.c (assemble_start_function): Update.
4876         (force_const_mem): Update.
4877         (mark_constant_pool): Update.
4878         * tree-optimize.c (tree_rest_of_compilation): Update.
4879         * stack-ptr-mod.c (notice_stack_pointer_modification): Update.
4880         * tree-cfg.c (notice_special_calls): Update.
4881         (is_ctrl_altering_stmt): Update.
4882         (tree_can_make_abnormal_goto): Update.
4883         (tree_purge_dead_abnormal_call_edges): Update.
4884         * config/alpha/predicates.md: Update.
4885         * config/alpha/alpha.c (alpha_sa_mask): Update.
4886         (alpha_sa_size): Update.
4887         (alpha_does_function_need_gp): Update.
4888         (alpha_expand_prologue): Update.
4889         (alpha_start_function): Update.
4890         (alpha_output_function_end_prologue): Update.
4891         (alpha_expand_epilogue): Update.
4892         * config/frv/frv.c (frv_stack_info): Update.
4893         (frv_expand_epilogue): Update.
4894         * config/s390/s390.c (s390_regs_ever_clobbered): Update.
4895         (s390_register_info): Update.
4896         (s390_frame_info): Update.
4897         (s390_init_frame_layout): Update.
4898         (s390_can_eliminate): Update.
4899         (save_gprs): Update.
4900         * config/spu/spu.c (spu_split_immediate): Update.
4901         (need_to_save_reg): Update.
4902         (spu_expand_prologue): Update.
4903         (spu_expand_epilogue): Update.
4904         * config/sparc/sparc.md: Update.
4905         * config/sparc/sparc.c (eligible_for_return_delay): Update.
4906         (sparc_tls_got): Update.
4907         (legitimize_pic_address): Update.
4908         (sparc_emit_call_insn): Update.
4909         (sparc_expand_prologue): Update.
4910         (output_return): Update.
4911         (print_operand): Update.
4912         (sparc_function_ok_for_sibcall): Update.
4913         * config/sparc/sparc.h (EXIT_IGNORE_STACK): Update.
4914         * config/m32r/m32r.md: Update.
4915         * config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Update.
4916         (m32r_compute_frame_size): Update.
4917         (m32r_expand_prologue): Update.
4918         (m32r_expand_epilogue): Update.
4919         (m32r_legitimize_pic_address): Update.
4920         * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Update.
4921         * config/i386/linux.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
4922         * config/i386/i386.c (ix86_frame_pointer_required): Update.
4923         (gen_push): Update.
4924         (ix86_save_reg): Update.
4925         (ix86_compute_frame_layout): Update.
4926         (ix86_expand_prologue): Update.
4927         (ix86_expand_epilogue): Update.
4928         * config/sh/sh.c (output_stack_adjust): Update.
4929         (calc_live_regs): Update.
4930         (sh5_schedule_saves): Update.
4931         (sh_expand_prologue): Update.
4932         (sh_expand_epilogue): Update.
4933         (sh_setup_incoming_varargs): Update.
4934         (sh_allocate_initial_value): Update.
4935         (sh_get_pr_initial_val): Update.
4936         * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Update.
4937         * config/sh/sh.md (label:): Update.
4938         * config/avr/avr.c (out_movhi_mr_r): Update.
4939         * config/crx/crx.h (enum): Update.
4940         * config/xtensa/xtensa.h (along): Update.
4941         * config/stormy16/stormy16.c Update.
4942         (xstormy16_compute_stack_layout): Update.
4943         * config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Update.
4944         (fr30_expand_prologue): Update.
4945         * config/cris/cris.c (cris_conditional_register_usage): Update.
4946         (cris_reg_saved_in_regsave_area): Update.
4947         (cris_initial_frame_pointer_offset): Update.
4948         (cris_simple_epilogue): Update.
4949         (cris_expand_prologue): Update.
4950         (cris_expand_epilogue): Update.
4951         (cris_expand_pic_call_address): Update.
4952         (cris_asm_output_symbol_ref): Update.
4953         (cris_asm_output_label_ref): Update.
4954         * config/cris/cris.md Update.
4955         * config/iq2000/iq2000.c (compute_frame_size): Update.
4956         (iq2000_expand_epilogue): Update.
4957         * config/mt/mt.h (save_direction): Update.
4958         * config/mn10300/mn10300.c (mn10300_function_value): Update.
4959         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
4960         (ia64_secondary_reload_class): Update.
4961         * config/m68k/m68k.c (m68k_save_reg): Update.
4962         (m68k_expand_prologue): Update.
4963         (m68k_expand_epilogue): Update.
4964         (legitimize_pic_address): Update.
4965         * config/rs6000/rs6000.c (rs6000_got_register): Update.
4966         (first_reg_to_save): Update.
4967         (first_altivec_reg_to_save): Update.
4968         (compute_vrsave_mask): Update.
4969         (compute_save_world_info): Update.
4970         (rs6000_stack_info): Update.
4971         (spe_func_has_64bit_regs_p): Update.
4972         (rs6000_ra_ever_killed): Update.
4973         (rs6000_emit_eh_reg_restore): Update.
4974         (rs6000_emit_allocate_stack): Update.
4975         (rs6000_emit_prologue): Update.
4976         (rs6000_emit_epilogue): Update.
4977         (rs6000_output_function_epilogue): Update.
4978         (output_profile_hook): Update.
4979         (rs6000_elf_declare_function_name): Update.
4980         * config/rs6000/rs6000.h (rs6000_args): Update.
4981         * config/rs6000/rs6000.md: Update.
4982         * config/mcore/mcore.c (mcore_expand_prolog): Update.
4983         * config/arc/arc.c (arc_output_function_epilogue): Update.
4984         * config/arc/arc.h (FRAME_POINTER_REQUIRED): Update.
4985         * config/darwin.c (machopic_function_base_name): Update.
4986         * config/score/score3.c (score3_compute_frame_size): Update.
4987         (rpush): Update.
4988         (rpop): Update.
4989         (score3_epilogue): Update.
4990         * config/score/score7.c (score7_compute_frame_size): Update.
4991         (score7_prologue): Update.
4992         (score7_epilogue): Update.
4993         * config/score/score.h (FRAME_POINTER_REQUIRED): Update.
4994         * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
4995         * config/arm/arm.c (use_return_insn): Update.
4996         (require_pic_register): Update.
4997         (arm_load_pic_register): Update.
4998         (arm_compute_save_reg0_reg12_mask): Update.
4999         (arm_compute_save_reg_mask): Update.
5000         (thumb1_compute_save_reg_mask): Update.
5001         (output_return_instruction): Update.
5002         (arm_output_function_prologue): Update.
5003         (arm_output_epilogue): Update.
5004         (arm_get_frame_offsets): Update.
5005         (arm_expand_prologue): Update.
5006         (thumb_pushpop): Update.
5007         (thumb_exit): Update.
5008         (thumb1_expand_prologue): Update.
5009         (thumb1_expand_epilogue): Update.
5010         (arm_unwind_emit): Update.
5011         (arm_output_fn_unwind): Update.
5012         * config/arm/arm.h (FRAME_POINTER_REQUIRED): Update.
5013         * config/arm/arm.md: Update.
5014         * config/pa/pa.md: Update.
5015         * config/pa/pa.c (legitimize_pic_address): Update.
5016         (compute_frame_size): Update.
5017         (hppa_expand_prologue): Update.
5018         (hppa_expand_epilogue): Update.
5019         (borx_reg_operand): Update.
5020         * config/pa/pa.h (FRAME_POINTER_REQUIRED): Update.
5021         (HARD_REGNO_RENAME_OK): Update.
5022         * config/mips/mips.c (mips_global_pointer): Update.
5023         (mips_save_reg_p): Update.
5024         (mips_compute_frame_info): Update.
5025         (mips_frame_pointer_required): Update.
5026         (mips_expand_prologue): Update.
5027         (mips_expand_epilogue): Update.
5028         (mips_can_use_return_insn): Update.
5029         (mips_reorg_process_insns): Update.
5030         * config/v850/v850.c (compute_register_save_size): Update.
5031         * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Update.
5032         * config/mmix/mmix.c (along): Update.
5033         (mmix_expand_epilogue): Update.
5034         * config/bfin/bfin.c (legitimize_pic_address): Update.
5035         (must_save_p): Update.
5036         (stack_frame_needed_p): Update.
5037         (add_to_reg): Update.
5038         (bfin_expand_prologue): Update.
5039         * stmt.c (expand_asm_operands): Update.
5040         * reload1.c (reload): Update.
5041         (init_elim_table): Update.
5042
5043 2008-04-25  Bob Wilson  <bob.wilson@acm.org>
5044         
5045         * optabs.c (expand_float): Fix REG_EQUAL for UNSIGNED_FLOAT libcall.
5046         
5047 2008-04-25  H.J. Lu  <hongjiu.lu@intel.com>
5048
5049         * config/i386/sse.md (mov<mode>): Replace SSEMODEI with SSEMODE.
5050         (*mov<mode>_internal): Likewise.  Support V4SF and V2DF.
5051         (mov<mode>): Removed.
5052         (*movv4sf_internal): Likewise.
5053         (*movv2df_internal): Likewise.
5054
5055 2008-04-25  Pompapathi V Gadad <Pompapathi.V.Gadad@nsc.com>
5056
5057         * config.gcc (crx-*-elf): Remove deprecation.
5058
5059 2008-04-25  Danny Smith  <dannysmith@users.sourceforge.net>
5060
5061         * config/i386/cygming-crtend.c (register_frame_ctor): Register
5062         __gcc_deregister_frame with atexit.
5063         (deregister_frame_dtor): Remove.
5064
5065 2008-04-24  Nathan Froyd  <froydnj@codesourcery.com>
5066             Nathan Sidwell  <nathan@codesourcery.com>
5067
5068         * config/rs6000/rs6000.opt (mspe): Remove Var property.
5069         (misel): Likewise.
5070         * config/rs6000/rs6000.h (rs6000_spe): Declare.
5071         (rs6000_isel): Likewise.
5072         * config/rs6000/rs6000.c (rs6000_spe): New variable.
5073         (rs6000_isel): New variable.
5074         (rs6000_handle_option): Handle OPT_mspe and OPT_misel.
5075
5076 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
5077
5078         PR c++/35758
5079         * c-common.c (handle_vector_size_attribute): Call
5080         lang_hooks.types.reconstruct_complex_type instead of
5081         reconstruct_complex_type.
5082         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Likewise.
5083         * config/spu/spu.c (spu_handle_vector_attribute): Likewise.
5084         * langhooks.h (struct lang_hooks_for_types): Add
5085         reconstruct_complex_type hook.
5086         * langhooks-def.h (LANG_HOOKS_RECONSTRUCT_COMPLEX_TYPE): Define.
5087         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add it.
5088
5089 2008-04-24  Richard Guenther  <rguenther@suse.de>
5090
5091         * c-common.h (check_builtin_function_arguments): Declare.
5092         * c-common.c (validate_nargs): New function.
5093         (check_builtin_function_arguments): Likewise.
5094         * c-typeck.c (build_function_call): Call
5095         check_builtin_function_arguments.
5096         * builtins.c (fold_builtin_classify): Remove error reporting code.
5097         (fold_builtin_unordered_cmp): Likewise.
5098         (fold_builtin_1): Likewise.
5099         (fold_builtin_n): Likewise.
5100
5101 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
5102
5103         PR tree-optimization/36008
5104         * fold-const.c (try_move_mult_to_index): If s == NULL, divide
5105         the original op1, rather than delta by step.
5106
5107 2008-04-22  Antoniu Pop  <antoniu.pop@gmail.com>
5108             Sebastian Pop  <sebastian.pop@amd.com>
5109
5110         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
5111         eliminate_local_variables_stmt, eliminate_local_variables,
5112         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
5113         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
5114         of code delimited by two edges in the CFG.
5115         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
5116         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
5117         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate 
5118         the case of parallelisation of reductions.
5119         (expr_invariant_in_region_p): New.
5120
5121         * tree-flow.h (gather_blocks_in_sese_region): Declared.
5122         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
5123
5124 2008-04-24  Ira Rosen  <irar@il.ibm.com>
5125             Richard Guenther  <rguenther@suse.de>
5126
5127         PR tree-optimization/36034
5128         * tree-vect-analyze.c (vect_analyze_group_access): SLP is
5129         incapable of dealing with loads with gaps.
5130
5131 2008-04-24  Rafael Espindola  <espindola@google.com>
5132
5133         * tree-flow.h (vrp_evaluate_conditional): Change signature.
5134         * tree-ssa-propagate.c (fold_predicate_in): Update call to
5135         vrp_evaluate_conditional.
5136         * tree-vrp.c (vrp_evaluate_conditional_warnv): Remove.
5137         (vrp_evaluate_conditional): Split the cond argument.
5138         (vrp_visit_cond_stmt): Use vrp_evaluate_conditional_warnv_with_ops.
5139         (simplify_stmt_for_jump_threading): Update call to
5140         vrp_evaluate_conditional.
5141
5142 2008-04-24  Ira Rosen  <irar@il.ibm.com>
5143
5144         PR tree-optimization/35982
5145         * tree-vect-analyze.c (vect_check_interleaving): Check that the
5146         interleaved data-refs are of the same type.
5147
5148 2008-04-24  Danny Smith  <dannysmith@users.net>
5149
5150         * c-format.c (check_format_info_main): Use strncmp rather than a
5151         magic prefix to handle multichar length specs.
5152         * config/i386/msformat-c.c (format_length_info ms_printf_length_specs):
5153         Don't prefix "I64" and "I32" with '\0'.
5154
5155 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
5156
5157         PR target/36015
5158         * config/i386/i386.c (init_cumulative_args): Don't pass anything
5159         in registers for -m32 only if stdarg_p (fntype).
5160
5161 2008-04-24  Uros Bizjak  <ubizjak@gmail.com>
5162
5163         PR rtl-optimization/36006
5164         * expmed.c (store_fixed_bit_field): Copy op0 rtx before moving
5165         temp to op0 in order to avoid invalid rtx sharing.
5166
5167 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
5168
5169         * tree-cfg.c (verify_expr): Check with is_gimple_address.  Don't
5170         check TREE_INVARIANT.
5171         * tree-gimple.c (is_gimple_address): New.
5172         (is_gimple_invariant_address): Simplify using decl_address_invariant_p.
5173         * tree-gimple.h (is_gimple_address): New.
5174         * tree.h (decl_address_invariant_p): New.
5175         * tree.c (make_node_stat): Don't set TREE_INVARIANT.
5176         (build_string): Likewise.
5177         (decl_address_invariant_p): New, from is_gimple_invariant_address.
5178         (tree_invariant_p_1): Likewise.
5179         (save_expr): Use it.
5180         (tree_invariant_p): New.
5181         (skip_simple_arithmetic): Use it.
5182         (stabilize_reference_1): Use it.
5183         (recompute_tree_invariant_for_addr_expr): Don't update TREE_INVARIANT,
5184         simplify.
5185         (build1_stat): Drop code to compute TREE_INVARIANT.
5186         (build2_stat): Drop code to compute TREE_INVARIANT.
5187         (build3_stat): Drop code to compute TREE_INVARIANT.
5188         (build4_stat): Drop code to compute TREE_INVARIANT.
5189         (build5_stat): Drop code to compute TREE_INVARIANT.
5190         (build7_stat): Drop code to compute TREE_INVARIANT.
5191         (merge_dllimport_decl_attributes): Don't mention TREE_INVARIANT.
5192         * tree.h (struct tree_base): Remove invariant_flag.
5193         (TREE_INVARIANT): Remove.
5194         * builtins.c (build_string_literal): Don't set TREE_INVARIANT.
5195         (fold_builtin_expect): Check TREE_CONSTANT.
5196         * tree-ssa-ccp.c (fold_stmt_r): Adjust comment.
5197         * c-tree.h (c_expr_to_decl): Drop third parameter.
5198         * c-typeck.c (build_external_ref): Don't set TREE_INVARIANT.
5199         (build_c_cast): Don't set TREE_INVARIANT.
5200         (pop_init_level): Don't set TREE_INVARIANT.
5201         (c_objc_common_truthvalue_conversion): Don't set TREE_INVARIANT.
5202         * gimplify.c (gimplify_init_ctor_preeval): Add assertion, test
5203         TREE_CONSTANT.
5204         (gimplify_init_constructor): Don't set TREE_INVARIANT.
5205         (gimplify_addr_expr): Adjust comment.
5206         * tree-mudflap.c (mf_build_string):
5207         * print-tree.c (print_node): Don't print TREE_INVARIANT.
5208         * tree-nested.c (convert_nonlocal_reference): Adjust comment.
5209         * c-common.c (fix_string_type): Don't set TREE_INVARIANT.
5210         * langhooks-def.h (lhd_expr_to_decl): Drop third parameter.
5211         * langhooks.c (lhd_expr_to_decl): Drop third parameter.
5212         * langhooks.h (struct lang_hooks): Drop third parameter from
5213         expr_to_decl.
5214
5215 2008-04-23  Richard Guenther  <rguenther@suse.de>
5216
5217         PR tree-optimization/27799
5218         PR tree-optimization/32921
5219         PR tree-optimization/32624
5220         * tree-ssa-structalias.c (merge_smts_into): Only merge the
5221         SMTs aliases and the tag itself into the solution.
5222         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Do not
5223         merge the points-to solution back into the SMT aliases.
5224         (may_alias_p): Use alias_set_subset_of instead of
5225         aliases_conflict_p.  A pointer which points to
5226         memory with alias set zero may access any variable.
5227
5228 2008-04-23  Richard Guenther  <rguenther@suse.de>
5229
5230         * alias.c (alias_set_subset_of): Correctly handle asking
5231         if zero is a subset of an alias set with zero child.
5232         * tree-ssa-alias.c (have_common_aliases_p): Simplify logic.
5233         (compute_flow_insensitive_aliasing): Correctly walk all
5234         pointers.  Do not unnecessarily union sets.
5235
5236 2008-04-23  Richard Guenther  <rguenther@suse.de>
5237
5238         PR middle-end/36021
5239         * c-common.c (handle_alloc_size_attribute): Use type_num_arguments.
5240
5241 2008-04-22  Tomas Bily  <tbily@suse.cz>
5242
5243         * tree-cfg.c (verify_expr): Check for NON_LVALUE_EXPR as
5244         unreachable case.
5245         * tree-vrp.c (extract_range_from_unary_expr): Removed unused
5246         NON_LVALUE_EXPR.
5247         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
5248         * tree-ssa-structalias.c (get_constraint_for): Likewise.
5249         * tree-inline.c (estimate_num_insns_1): Likewise.
5250         * varasm.c (const_hash_1, compare_constant, copy_constant)
5251         (compute_reloc_for_constant, output_addressed_constants): Likewise.
5252         * emit-rtl.c (component_ref_for_mem_expr)
5253         (set_mem_attributes_minus_bitpos): Likewise.
5254         * expr.c (highest_pow2_factor, expand_expr_real_1, )
5255         (is_aligning_offset): Likewise.
5256         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info): Likewise.
5257         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
5258         * dojump.c (do_jump): Likewise.
5259         * builtins.c (get_pointer_alignment, get_memory_rtx)
5260         (integer_valued_real_p, fold_builtin_next_arg): Likewise.
5261         * tree-scalar-evolution.c (instantiate_parameters_1): Likewise.
5262
5263 2008-04-23  Jakub Jelinek  <jakub@redhat.com>
5264
5265         PR rtl-optimization/36017
5266         * builtins.c (expand_errno_check): Clear CALL_EXPR_TAILCALL before
5267         expanding the library call.
5268
5269 2008-04-22  Ian Lance Taylor  <iant@google.com>
5270
5271         * fold-const.c (pointer_may_wrap_p): Call int_size_in_bytes rather
5272         than size_in_bytes.
5273
5274 2008-04-22  Pat Haugen  <pthaugen@us.ibm.com>
5275
5276         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase cost
5277         of LR/CTR moves for Power6.
5278
5279 2008-04-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
5280
5281         PR middle-end/36003
5282         * passes.c (init_optimization_passes): Remove
5283         pass_fast_rtl_byte_dce.
5284         
5285 2008-04-22  Uros Bizjak  <ubizjak@gmail.com>
5286
5287         PR target/29096
5288         * config/i386/xmmintrin.h (_mm_cvtpi16_ps): Rearrange calls to
5289         builtin functions to generate faster code.
5290         (_mm_cvtpu16_ps): Ditto.
5291         (_mm_cvtpi32x2_ps): Ditto.
5292
5293 2008-04-22  Nick Clifton  <nickc@redhat.com>
5294
5295         * common.opt (ftree-loop-distribution): Add Optimization
5296         attribute.
5297
5298         * config/frv/frv.c (frv_stack_info): Use crtl instead of cfun.
5299         (frv_expand_builtin_va_start): Likewise.
5300
5301         * config/arm/arm.c (thumb_find_work_register): Fix location of
5302         argument register count.
5303
5304 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
5305
5306         Support scheduling for ColdFire V1 and V3 microarchitecture.
5307         Improve scheduling of multiplication instructions.
5308
5309         * config/m68k/m68k.md (cpu): Add cfv1 and cfv3.  Rename cf_v2 to cfv1.
5310         (mac): New instruction attribute.
5311         * config/m68k/m68k.c (override_options): Handle cfv1, cfv3 and mac.
5312         (m68k_sched_mac): New variable.
5313         (m68k_sched_attr_type2, m68k_sched_md_init_global): Update.
5314         Handle cfv1 and cfv3.
5315         (max_insn_size): New static variable.
5316         (struct _sched_ib): New type.
5317         (sched_ib): New static variable.
5318         (sched_ib_size, sched_ib_filled, sched_ib_insn): Convert variables
5319         to fields of 'struct _sched_ib sched_ib'.  Update all uses.
5320         (m68k_sched_variable_issue): Add modeling of cfv3 instruction buffer.
5321         Update.
5322         (m68k_sched_md_init_global, m68k_sched_md_finish_global,
5323         m68k_sched_md_init, m68k_sched_md_finish): Handle cfv1 and cfv3.  Init
5324         new variables.  Update.
5325         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
5326         Add modeling of cfv3 instruction buffer.  Update.
5327         * config/m68k/m68k-protos.h (m68k_sched_mac): Declare.
5328         * config/m68k/m68k.h (TUNE_CFV3): New macro.
5329         * config/m68k/cf.md: Change substrings 'cf_v2' to 'cfv12' or 'cfv123'.
5330         (cf_* reservations): Rename to cfv12 or cfv123 to indicate cores
5331         a particular reservation applies to.
5332         (type2): Reorganize attribute values.  Rename alu to alu_reg,
5333         alu_l to alu, move_l to omove.  Join move to alu.  Split mul
5334         to mul_l and mul_w.
5335         (cf_ib_*): Simplify description of instruction buffer.
5336         (cf_ib_w0, cf_ib_w4, cf_ib_w5, cf_ib_w6): Remove.
5337         (cf_mem): Split into cf_mem1 and cf_mem2.
5338         (cf_v2_move_??): Rename to cfv12_alu_??.
5339         (cf_v2_move_l_??): Rename to cfv12_omove_??.
5340         (cf_v2_mul_??): Remove reservations.
5341         (cfv12_mul_l_??, cfv12_mul_w_??, cfv12_mac_w_??, cfv12_mac_l_??,
5342         cfv12_emac_??, cfv12_emac_w_i0): New reservations.
5343         (cfv12_rts, cfv12_call, cfv12_bcc, cfv12_bra, cfv12_jmp): Move to
5344         appropriate place.
5345         (cfv3_alu_10, cfv3_omove_10, cfv3_alu_i0, cfv3_omove_i0, cfv3_alu_01,
5346         cfv3_alu_0i, cfv3_alu_11, cfv3_omove_11, cfv3_alu_i1, cfv3_omove_i1,
5347         cfv3_alu_1i, cfv3_omove_1i, cfv3_pea_11, cfv3_pea_i1, cfv3_mul_w_10,
5348         cfv3_mul_l_10, cfv3_mul_w_i0, cfv3_mac_w_10, cfv3_mac_l_10,
5349         cfv3_mac_w_i0, cfv3_emac_10, cfv3_emac_w_i0, cfv3_rts, cfv3_call,
5350         cfv3_bcc, cfv3_bra, cfv3_jmp): New reservations.
5351         (cfv3_*_1, cfv3_*_2, cfv3_*_3): New instruction reservations that are
5352         expansions of the above reservations for instructions of sizes
5353         1, 2 and 3 words.
5354
5355 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
5356
5357         * rtl-factoring.c (collect_patterns_seqs): Handle CC0 targets.
5358
5359 2008-04-21  Adam Nemet  <anemet@caviumnetworks.com>
5360
5361         * coverage.c: Include tree-pass.h.
5362         (coverage_counter_alloc): Print da_file_name to the dump file.
5363
5364 2008-04-21  Kenneth Zadeck  <zadeck@naturalbridge.com>
5365
5366         * sbitmap.c (sbitmap_range_empty_p): New function.
5367         * sbitmap.h (sbitmap_range_empty_p): New function.
5368         * bitmap.h: Now includes obstack.h.
5369
5370 2008-04-21  Richard Sandiford  <rsandifo@nildram.co.uk>
5371             Kenneth Zadeck  <zadeck@naturalbridge.com>
5372
5373         * dbgcnt.def (ra_byte_scan): Added.
5374         * dbgcnt.c (dbg_cnt): Added code to print message to dump_file
5375         when the last hit happens for a counter.  
5376         * timevar.def (TV_DF_BYTE_LR): New variable.
5377         * tree-pass.h (pass_fast_rtl_byte_dce): New pass.
5378         * passes.c (pass_fast_rtl_byte_dce): New pass.
5379         * fwprop.c (update_df): Added mode to call df_ref_create.
5380         Renamed DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
5381         DF_REF_EXTRACT_OFFSET.
5382         * df.h (DF_BYTE_LR, DF_BYTE_LR_BB_INFO, DF_BYTE_LR_IN, 
5383         DF_BYTE_LR_OUT, df_byte_lr): New macro.
5384         (df_mm): New enum.
5385         (df_ref_extract): Added mode field.
5386         (DF_REF_WIDTH, DF_REF_OFFSET) Renamed to DF_REF_EXTRACT_WIDTH and
5387         DF_REF_EXTRACT_OFFSET.
5388         (DF_REF_EXTRACT_MODE): New macro.
5389         (df_byte_lr_bb_info): New structure.
5390         (df_print_byte_regset, df_compute_accessed_bytes, 
5391         df_byte_lr_add_problem, df_byte_lr_get_regno_start,
5392         df_byte_lr_get_regno_len, df_byte_lr_simulate_defs,
5393         df_byte_lr_simulate_uses,
5394         df_byte_lr_simulate_artificial_refs_at_top,
5395         df_byte_lr_simulate_artificial_refs_at_end,
5396         df_compute_accessed_bytes): New function.
5397         (df_ref_create): Add parameter.
5398         (df_byte_lr_get_bb_info): New inline function.
5399         * df-scan.c (df_ref_record, df_uses_record,
5400         df_ref_create_structure): Added mode parameter.
5401         (df_ref_create, df_notes_rescan, df_ref_record, df_def_record_1, 
5402         df_defs_record, df_uses_record, df_get_conditional_uses,
5403         df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect, 
5404         df_entry_block_defs_collect, df_exit_block_uses_collect):
5405         Added mode parameter to calls to df_ref_record, df_uses_record,
5406         df_ref_create_structure.
5407         (df_ref_equal_p, df_ref_compare): Added test for modes.
5408         (df_ref_create_structure): Added code to set mode.  Renamed
5409         DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
5410         DF_REF_EXTRACT_OFFSET.
5411         * df-core.c (df_print_byte_regset): New function.
5412         * df-byte-scan.c: New file.
5413         * df-problems.c (df_rd_transfer_function): Removed unnecessary
5414         calls to BITMAP_FREE.  
5415         (df_byte_lr_problem_data, df_problem problem_BYTE_LR): New structure.
5416         (df_byte_lr_get_regno_start, df_byte_lr_get_regno_len,
5417         df_byte_lr_set_bb_info, df_byte_lr_free_bb_info, 
5418         df_byte_lr_check_regs, df_byte_lr_expand_bitmap, 
5419         df_byte_lr_alloc, df_byte_lr_reset, df_byte_lr_bb_local_compute,
5420         df_byte_lr_local_compute, df_byte_lr_init,
5421         df_byte_lr_confluence_0, df_byte_lr_confluence_n, 
5422         df_byte_lr_transfer_function, df_byte_lr_free, 
5423         df_byte_lr_top_dump, df_byte_lr_bottom_dump,
5424         df_byte_lr_add_problem, df_byte_lr_simulate_defs, 
5425         df_byte_lr_simulate_uses,
5426         df_byte_lr_simulate_artificial_refs_at_top,
5427         df_byte_lr_simulate_artificial_refs_at_end): New function.
5428         * dce.c (byte_dce_process_block): New function.
5429         (dce_process_block): au is now passed in rather than computed
5430         locally.  Changed loops that look at artificial defs to not look
5431         for conditional or partial ones, because there never are any.  
5432         (fast_dce): Now is able to drive byte_dce_process_block or 
5433         dce_process_block depending on the kind of dce being done.
5434         (rest_of_handle_fast_dce): Add parameter to fast_dce.
5435         (rest_of_handle_fast_byte_dce): New function.
5436         (rtl_opt_pass pass_fast_rtl_byte_dce): New pass.
5437         * Makefile.in (df-byte-scan.o, debugcnt.o): Added dependencies.
5438
5439 2008-04-21  Daniel Franke  <franke.daniel@gmail.com>
5440
5441         PR fortran/35019
5442         * gcc.h: Added fortran options that take arguments to
5443         DEFAULT_SWITCH_TAKES_ARG and DEFAULT_WORD_SWITCH_TAKES_ARG
5444         macros.
5445
5446 2008-04-20  Eric Botcazou  <ebotcazou@adacore.com>
5447
5448         * tree-sra.c (sra_walk_expr) <VIEW_CONVERT_EXPR>: Disable
5449         scalarization if on the LHS and not a full access.
5450
5451 2008-04-20  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5452
5453         * Makefile.in (s-gtyp-input): Remove tmp-gi.list before writing it.
5454
5455 2008-04-18  Rafael Espindola  <espindola@google.com>
5456
5457         * tree-vrp.c (find_case_label_index): Fix the binary search.
5458         (find_case_label_range): New.
5459         (vrp_visit_switch_stmt): Use find_case_label_range.
5460         (simplify_switch_using_ranges): Use find_case_label_range.
5461
5462 2008-04-18  Eric Botcazou  <ebotcazou@adacore.com>
5463
5464         * gimplify.c (gimplify_modify_expr_rhs) <COND_EXPR>: Gimplify the LHS
5465         using the is_gimple_lvalue predicate instead of is_gimple_min_lval.
5466
5467 2008-04-18  Tom Tromey  <tromey@redhat.com>
5468
5469         PR libcpp/15500:
5470         * doc/cpp.texi (Implementation-defined behavior): Mention
5471         -finput-charset.
5472
5473 2008-04-18  Ian Lance Taylor  <iant@google.com>
5474
5475         * fold-const.c (pointer_may_wrap_p): New static function.
5476         (fold_comparison): Add another test for pointer overflow.  Use
5477         pointer_may_wrap_p to disable some false positives.
5478
5479 2008-04-18  Kris Van Hees <kris.van.hees@oracle.com>
5480           
5481         * c-common.c (CHAR16_TYPE, CHAR32_TYPE): New macros.
5482         (fname_as_string): Match updated cpp_interpret_string prototype.
5483         (fix_string_type): Support char16_t* and char32_t*.
5484         (c_common_nodes_and_builtins): Add char16_t and char32_t (and
5485         derivative) nodes.  Register as builtin if C++0x.
5486         (c_parse_error): Support CPP_CHAR{16,32}.
5487         * c-common.h (RID_CHAR16, RID_CHAR32): New elements. 
5488         (enum c_tree_index) <CTI_CHAR16_TYPE, CTI_SIGNED_CHAR16_TYPE,
5489         CTI_UNSIGNED_CHAR16_TYPE, CTI_CHAR32_TYPE, CTI_SIGNED_CHAR32_TYPE,
5490         CTI_UNSIGNED_CHAR32_TYPE, CTI_CHAR16_ARRAY_TYPE,
5491         CTI_CHAR32_ARRAY_TYPE>: New elements.
5492         (char16_type_node, signed_char16_type_node, unsigned_char16_type_node,
5493         char32_type_node, signed_char32_type_node, char16_array_type_node,
5494         char32_array_type_node): New defines.
5495         * c-lex.c (cb_ident): Match updated cpp_interpret_string prototype.
5496         (c_lex_with_flags): Support CPP_CHAR{16,32} and CPP_STRING{16,32}.
5497         (lex_string): Support CPP_STRING{16,32}, match updated
5498         cpp_interpret_string and cpp_interpret_string_notranslate prototypes.
5499         (lex_charconst): Support CPP_CHAR{16,32}.
5500         * c-parser.c (c_parser_postfix_expression): Support CPP_CHAR{16,32}
5501         and CPP_STRING{16,32}.
5502
5503 2008-04-18  Paolo Bonzini  <bonzini@gnu.org>
5504
5505         PR bootstrap/35457
5506         * aclocal.m4: Regenerate.
5507         * configure: Regenerate.
5508
5509 2008-04-18  Jan Hubicka  <jh@suse.cz>
5510
5511         * except.c (dw2_size_of_call_site_table,
5512         sjlj_size_of_call_site_table): Use vector API for call_site_record.
5513
5514         * cgraphbuild.c (build_cgraph_edges): Update.
5515         * tree-pass.h: Update comment.
5516         * final.c (leaf_function_p): Update.
5517         (leaf_renumber_regs): Update.
5518         (rest_of_clean_state): Update.
5519         * omp-low.c (expand_omp_parallel): Update.
5520         * ipa-reference.c (analyze_function): Update.
5521         * reorg.c (find_end_label): Update.
5522         (optimize_skip): Update.
5523         (fill_simple_delay_slots): Update.
5524         (fill_simple_delay_slots): Update.
5525         (make_return_insns): Update.
5526         (dbr_schedule): Update.
5527         * gimple-low.c (record_vars_into): Update.
5528         * cfgbuild.c (make_edges): Update.
5529         * function.c (assign_stack_local): Update.
5530         (assign_parm_adjust_stack_rtl): Update.
5531         (locate_and_pad_parm): Update.
5532         (allocate_struct_function): Do not initialize stack_alignment_needed
5533         and preferred_stack_boundary here.
5534         (stack_protect_prologue): Update.
5535         (stack_protect_epilogue): Update.
5536         (expand_function_start): Initialize stack_alignment_needed,
5537         preferred_stack_boundary and max_jumptable_ents.
5538         (expand_function_end): Update.
5539         (free_after_compilation): Do not NULLify epilogue_delay_list.
5540         * function.h (struct rtl_data): Add stack_protect_guard,
5541         stack_alignment_needed,
5542         preferred_stack_boundary, epilogue_delay_list.
5543         (struct function): Remove value_histograms, stack_alignment_needed,
5544         preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
5545         last_label_uid,
5546         unexpanded_var_list, stack_protect_guard.
5547         (current_function_epilogue_delay_list): Remove.
5548         * ipa-type-escape.c (analyze_function): Update.
5549         * gimplify.c (pop_gimplify_context): Update comment.
5550         * calls.c (expand_call): Update.
5551         (emit_library_call_value_1): Update.
5552         * except.c (set_nothrow_function_flags): Update.
5553         * cfgexpand.c (get_decl_align_unit): Update.
5554         (create_stack_guard): Update.
5555         (estimated_stack_frame_size): Update.
5556         (expand_used_vars): Update.
5557         (tree_expand_cfg): Free histogram earliers, init expansion variables.
5558         * explow.c (allocate_dynamic_stack_space): Update.
5559         * tree-ssa-live.c (remove_unused_locals): Update.
5560         * varasm.c (mark_constant_pool): Update.
5561         * tree-inline.c (remap_decls): Update.
5562         (initialize_cfun): Update.
5563         (declare_return_variable): Update.
5564         (inline_forbidden_p): Update.
5565         (expand_call_inline): Update.
5566         (declare_inline_vars): Update.
5567         (tree_function_versioning): Update.
5568         * tree-flow.h (value_histograms): New.
5569         (VALUE_HISTOGRAMS): New macro.
5570         * basic-block.h (control_flow_graph): Add max_jumptable_ents,
5571         last_label_uid.
5572         * tree-cfg.c (set_bb_for_stmt): Update.
5573         (replace_by_duplicate_decl): Update.
5574         (move_block_to_fn): Update.
5575         (new_label_mapper): Update.
5576         (dump_function_to_file): Update.
5577         * ipa-struct-reorg.c (build_data_structure): Update.
5578         * cfgrtl.c (print_rtl_with_bb): Update.
5579         * reload1.c (reload): Update.
5580         (reload): Update.
5581         * config/i386/i386.c (setup_incoming_varargs_64,
5582         ix86_compute_frame_layout): Update.
5583         * config/arc/arc.c (arc_output_function_epilogue): Update.
5584
5585 2008-04-18  Marius Strobl <marius@FreeBSD.org>
5586
5587         * gthr-posix.h (__gthread_active_p): Use the Solaris implementation
5588         for FreeBSD as well.
5589         * gthr-posix95.h: Likewise.
5590
5591 2008-04-17  Richard Sandiford  <rsandifo@nildram.co.uk>
5592
5593         PR rtl-optimization/35838
5594         * dse.c (find_shift_sequence): Use subreg_lowpart_offset to work
5595         out the byte offset of the first subreg.
5596
5597 2008-04-17  Uros Bizjak  <ubizjak@gmail.com>
5598
5599         * config/i386/i386.md (addti3 splitter): Pass arrays of 3 operands
5600         to split_ti instead of three separate calls with single member arrays.
5601         (subti3 splitter): Ditto.
5602         (adddi3 splitter): Ditto with split_di.
5603         (subdi3 splitter): Ditto.
5604         (negti2 splitter): Pass arrays of 2 operands to split_ti instead of
5605         two separate calls with single member arrays.  Swap match_dup
5606         operands 1 and 2 to better fit into the array.
5607         (negdi2 splitter): Ditto with split_di.
5608         (movdfcc splitter):  Pass arrays of 2 operands to split_di instead of
5609         two separate calls with single member arrays.  Swap match_dup operands
5610         6 and 7 to better fit into the array.
5611
5612 2008-04-17  H.J. Lu  <hongjiu.lu@intel.com>
5613
5614         * config/i386/i386.c (sse_builtin_type): New.
5615         (bdesc_sse_args): Likewise.
5616         (bdesc_sse_3arg): Removed.
5617         (bdesc_2arg): Remove IX86_BUILTIN_AESKEYGENASSIST128.
5618         (bdesc_1arg): Remove IX86_BUILTIN_ROUNDPD and
5619         IX86_BUILTIN_ROUNDPS.
5620         (ix86_init_mmx_sse_builtins): Handle bdesc_sse_args.  Remove
5621         bdesc_sse_3arg.  Remove IX86_BUILTIN_ROUNDPD and
5622         IX86_BUILTIN_ROUNDPS.
5623         (ix86_expand_sse_4_operands_builtin): Removed.
5624         (ix86_expand_sse_operands_builtin): New.
5625         (ix86_expand_unop_builtin): Remove CODE_FOR_sse4_1_roundpd
5626         and CODE_FOR_sse4_1_roundps.
5627         (ix86_expand_builtin): Remove IX86_BUILTIN_AESKEYGENASSIST128.
5628         Handle bdesc_sse_args.  Remove bdesc_sse_3arg.
5629
5630 2008-04-17  Alan Modra  <amodra@bigpond.net.au>
5631
5632         PR target/35907
5633         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Restore vr and vrsave
5634         regs before frame pop when needed.  If use_backchain_to_restore_sp
5635         then load backchain into a temp reg to restore vr and vrsave.  Add
5636         code to restore vr after frame pop if possible.
5637
5638 2008-04-17  Richard Guenther  <rguenther@suse.de>
5639
5640         * tree-vn.c (expressions_equal_p): Do not check type
5641         equality or compatibility before calling operand_equal_p.
5642         * fold-const.c (operand_equal_p): Check equivalence of
5643         integer constants before bailing out due to signedness or
5644         precision differences.
5645         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Ignore
5646         spurious differences in type qualification.  Ignore types
5647         for COMPONENT_REFs at all.
5648
5649 2008-04-17  Christian Bruel  <christian.bruel@st.com>
5650
5651         * config/sh/sh.c (expand_cbranchdi4): Use original operands for
5652         msw_skip comparison.
5653         
5654 2008-04-16  Jakub Jelinek  <jakub@redhat.com>
5655
5656         PR c/35739
5657         * tree-nrv.c (tree_nrv): Don't optimize if result_type is GIMPLE
5658         reg type.
5659
5660         PR tree-optimization/35899
5661         * tree-inline.c (expand_call_inline): Use GIMPLE_STMT_OPERAND
5662         rather than TREE_OPERAND.
5663
5664 2008-04-16  Uros Bizjak  <ubizjak@gmail.com>
5665
5666         PR target/35944
5667         * config/i386/i386.md (fmodxf3): Copy operand 1 and operand 2 into
5668         temporary registers.  Change operand predicate to general_operand.
5669         (remainderxf3): Ditto.
5670
5671 2008-04-16  Richard Guenther  <rguenther@suse.de>
5672
5673         * Makefile.in (tree-affine.o): Add $(FLAGS_H) dependency.
5674         * tree-affine.c (aff_combination_expand): Look through some
5675         conversions.
5676
5677 2008-04-15  Doug Kwan  <dougkwan@google.com>
5678
5679         * dwarf2asm.c (dw2_assemble_integer): Cast to unsigned HOST_WIDE_INT
5680         for hex printing.
5681         * tree-pretty-print.c (dump_generic_node): Ditto.
5682         * final.c (output_addr_const): Ditto.
5683         * dwarf2out.c (output_cfi): Ditto.
5684         * c-pretty-print.c (pp_c_integer_constant): Ditto.
5685         * print-rtl.c (print_rtx): Ditto.
5686         * print-tree.c (print_node_brief, print_node): Ditto.
5687         * c-common.c (match_case_to_enum_1): Ditto.
5688         * sched-vis.c (print_value): Ditto.
5689         * config/i386/i386.c (print_operand): Cast to long unsigned int
5690         for hex printing.
5691
5692 2008-04-15  Danny Smith  <dannysmith@users.sourceforge.net>
5693         * libgcc2.c [L_trampoline]: Remove  unnecessary prototype for
5694         MS Windows VirtualProtect function.
5695
5696 2008-04-15  Jan Hubicka  <jh@suse.cz>
5697
5698         * gengtype.c (write_root): Param_is argument is OK.
5699         * expr.c (expand_expr_real_1): Update call of get_exception_*.
5700         * function.h: Include varray.h
5701         (rtl_eh): New stucture based on except.c one.
5702         (call_site_record): New forward declaration and vector type.
5703         * calls.c (emit_call_1): Do not call
5704         note_current_region_may_contain_throw.
5705         * except.c (eh_status): Remove cur_region, try_region since they are
5706         unused.
5707         Move filter, exc_ptr, ttype_data, ehspec_data, action_record_data and
5708         exception_handler_label_map, ehr_stackadj, ehr_handler, ehr_label,
5709         sjlj_fc, sjlj_exit_after to rth_eh in function.h. 
5710         Remove call_site_data_used, call_site_data_size.
5711         Turn call_site_record into vector in function.h.
5712         (note_current_region_may_contain_throw): Remove.
5713         (get_exception_pointer, get_exception_filter): Do not take struct
5714         function argument; update.
5715         (add_ehl_entry, find_exception_handler_labels, ehspec_filter_hash,
5716         add_ttypes_entry, add_ehspec_entry, assign_filter_values,
5717         build_post_landing_pads, dw2_build_landing_pads,
5718         sjlj_assign_call_site_values, sjlj_mark_call_sites,
5719         sjlj_emit_function_enter, sjlj_emit_function_enter, 
5720         sjlj_emit_function_exit, sjlj_emit_dispatch_table,
5721         sjlj_build_landing_pads, finish_eh_generation,
5722         remove_exception_handler_label, remove_eh_handler,
5723         maybe_remove_eh_handler, add_reachable_handler,
5724         reachable_handlers, expand_builtin_eh_return, expand_eh_return,
5725         add_action_record, collect_one_action_chain, add_call_site,
5726         convert_to_eh_region_ranges, sjlj_size_of_call_site_table,
5727         sjlj_output_call_site_table, output_function_exception_table,
5728         * except.h (note_current_region_may_contain_throw): Remove
5729         (get_exception_pointer, get_exception_filter): Do not take struct
5730         function argument.
5731         * Makefile.in (GTFILES): Put varargs before struct function.
5732
5733 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
5734
5735         * tree-ssa-structalias.c (get_constraint_for_component_ref): Do not
5736         punt for STRING_CST.
5737         (get_constraint_for): Deal with STRING_CST here instead.
5738
5739 2008-04-15  Richard Guenther  <rguenther@suse.de>
5740
5741         * tree-ssa-propagate.c (substitute_and_fold): Substitute
5742         statements in a basic-block with a backward walk.  Do not
5743         substitute into dead statements but instead remove those.
5744
5745 2008-04-15  Richard Guenther  <rguenther@suse.de>
5746
5747         * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Set default
5748         to zero, thus disable creation of SFTs.
5749
5750 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
5751
5752         * tree-predcom.c (suitable_reference_p): Return false if the
5753         reference can throw.
5754
5755 2008-04-15  Jakub Jelinek  <jakub@redhat.com>
5756
5757         PR c/35751
5758         * c-decl.c (finish_decl): If extern or static var has variable
5759         size, set TREE_TYPE (decl) to error_mark_node.
5760
5761 2008-04-15  Rafael Espindola  <espindola@google.com>
5762
5763         * fold-const.c (tree_call_nonnegative_warnv_p): Remove local
5764         variable arg1.
5765
5766 2008-04-15  Richard Guenther  <rguenther@suse.de>
5767
5768         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
5769         * tree-ssa-sccvn.c (vn_reference_lookup): New parameter maywalk.
5770         (visit_reference_op_load): Do walk vuse-vdef chains on
5771         vn_reference_lookup.
5772         (visit_reference_op_store): But do not here.
5773         * tree-vn.c (vn_lookup): Do not walk vuse-vdef chains on
5774         vn_reference_lookup.
5775         (vn_lookup_with_vuses): But do so here.
5776
5777 2008-04-14  Ian Lance Taylor  <iant@google.com>
5778
5779         * fold-const.c (fold_overflow_warning): Remove assertion.
5780
5781 2008-04-15  Ben Elliston  <bje@au.ibm.com>
5782
5783         * config/alpha/alpha.c (alpha_initialize_trampoline): Remove temp,
5784         temp1 local variables.
5785
5786 2008-04-15  Zuxy Meng  <zuxy.meng@gmail.com>
5787
5788         PR target/35661
5789         * config/i386/winnt.c (i386_pe_section_type_flags): Mark
5790         ".text.unlikely" section as executable.
5791
5792 2008-04-14  James E. Wilson  <wilson@tuliptree.org>
5793
5794         * config/ia64/ia64.c (rtx_needs_barrier): Handle
5795         UNSPEC_FR_SQRT_RECIP_APPROX_RES.
5796         * config/ia64/ia64.c (UNSPEC_FR_SQRT_RECIP_APPROX_RES): Define.
5797         (divsi3_internal, divdi3_internal_lat, divdi3_internal_thr,
5798         divsf3_internal_lat, sqrt_approx, sqrtsf2_internal_thr,
5799         divdf3_internal_lat, sqrtdf2_internal_thr, divxf3_internal_lat,
5800         divxf3_internal_thr, sqrtxf2_internal_thr, recip_approx): Use it.
5801
5802 2008-04-14  Ian Lance Taylor  <iant@google.com>
5803
5804         * flags.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Define.
5805         * fold-const.c (fold_comparison): If appropriate, test
5806         POINTER_TYPE_OVERFLOW_UNDEFINED, and issue an overflow warning.
5807         (fold_binary): Test POINTER_TYPE_OVERFLOW_UNDEFINED when
5808         reassociating a pointer type.
5809         * doc/invoke.texi (Optimize Options): Document that
5810         -fstrict-overflow applies to pointer wraparound.
5811
5812 2008-04-13  Jan Hubicka  <jh@suse.cz>
5813
5814         * m32.c (m32c_pushm_popm): Use crtl->retrun_rtx.
5815
5816 2008-04-12  Andrew Pinski  <pinskia@gmail.com>
5817
5818         * config/rs6000/rs6000.c (compute_save_world_info): Set lr_save_p if
5819         we are going to "save the world".
5820
5821 2008-04-13  Hans-Peter Nilsson  <hp@axis.com>
5822
5823         * config/cris/cris.md ("*andhi_lowpart_non_v32", "*andhi_lowpart_v32")
5824         ("*andqi_lowpart_non_v32", "*andqi_lowpart_v32"): Use "+" for the
5825         operand 0 constraint, not "=".
5826
5827 2008-04-11  James E. Wilson  <wilson@tuliptree.org>
5828
5829         * system.h: Change ASSERT_CHECKING to ENABLE_ASSERT_CHECKING.
5830
5831 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
5832
5833         * dse.c (record_store): Use HOST_BITS_PER_WIDE_INT instead
5834         of size of positions_needed * CHAR_BIT.
5835
5836 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
5837
5838         PR middle-end/35897
5839         * dse.c (store_info): Change positions_needed to unsigned
5840         HOST_WIDE_INT.
5841         (lowpart_bitmask): New.
5842         (record_store): Cast to unsigned HOST_WIDE_INT for
5843         positions_needed.  Assert width <= size of positions_needed *
5844         CHAR_BIT.  Call lowpart_bitmask to initialize positions_needed.
5845         (check_mem_read_rtx): Use unsigned HOST_WIDE_INT on mask.  Call
5846         lowpart_bitmask to set mask.
5847
5848 2008-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
5849
5850         * config/bfin/constraints.md: New file.
5851         * config/bfin/bfin.md: Include it.
5852         (adddi3): Use satisfies_constraint functions instead of the old macros.
5853         * config/bfin/bfin.h (REG_CLASS_FROM_LETTER, CONSTRAINT_LEN,
5854         CONST_18UBIT_IMM_P, CONST_16BIT_IMM_P, CONST_16UBIT_IMM_P,
5855         CONST_7BIT_IMM_P, CONST_7NBIT_IMM_P, CONST_5UBIT_IMM_P,
5856         CONST_4BIT_IMM_P, CONST_4UBIT_IMM_P, CONST_3BIT_IMM_P,
5857         CONST_3UBIT_IMM_P, CONST_OK_FOR_K, CONST_OK_FOR_P, CONST_OK_FOR_M,
5858         CONST_OK_FOR_CONSTRAINT_P, CONST_DOUBLE_OK_FOR_LETTER,
5859         EXTRA_CONSTRAINT): Delete.
5860         * config/bfin/predicates.md (highbits_operand, reg_or_7bit_operand,
5861         reg_or_neg7bit_operand): Use satisfies_constraint functions instead
5862         of the old macros.
5863         * config/bfin/bfin.c: Include "tm-constrs.h".
5864         (bfin_secondary_reload, split_load_immediate, bfin_rtx_costs):
5865         Use satisfies_constraint functions instead of the old macros.
5866         * doc/md.texi (Blackfin Constraints): Update file name reference.
5867
5868 2008-04-11  Richard Guenther  <rguenther@suse.de>
5869
5870         PR tree-optimization/35869
5871         * tree-vrp.c (execute_vrp): Move switch statement update after
5872         jump threading.  Schedule another cfg cleanup run.
5873
5874 2008-04-11  Volker Reichelt  <v.reichelt@netcologne.de>
5875
5876         PR c/35744
5877         * attribs.c (decl_attributes): Return early on errorneous node.
5878
5879 2008-04-10  Oleg Ryjkov  <olegr@google.com>
5880
5881         * tree.h (struct tree_base): Added a new flag default_def_flag.
5882         (SSA_NAME_IS_DEFAULT_DEF): Changed to use the new flag.
5883
5884 2008-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
5885
5886         * config.gcc (need_64bit_hwint): Need 64bit hwint for sh-*-*.
5887
5888 2008-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5889
5890         PR target/35768
5891         * pa.md: Define mode iterator P.  Define mode attribute dwc.
5892         (dcacheflush): Update pattern to use iterator P and attribute dwc.
5893         (icacheflush): Likewise.
5894         * pa.h (INITIALIZE_TRAMPOLINE): Use dcacheflushsi/icacheflushsi if
5895         !TARGET_64BIT, and dcacheflushdi/icacheflushdi if TARGET_64BIT.
5896
5897 2008-04-11  Ben Elliston  <bje@au.ibm.com>
5898
5899         * config/spu/spu.c (spu_init_builtins): Mark builtins as nothrow.
5900
5901 2008-04-10  Rafael Espindola  <espindola@google.com>
5902
5903         * tree-vrp.c (extract_range_from_binary_expr): Don't handle
5904         TRUTH_ANDIF_EXPR or TRUTH_ORIF_EXPR.
5905         (extract_range_from_expr): The same.
5906
5907 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
5908
5909         * config/mips/mips.md (GPR2): New mode iterator.
5910         (seq): Add comment.
5911         (*seq_<mode>, *seq_<mode>_mips16, *sne_<mode>, *sgt<u>_<mode>,
5912         *sgt<u>_<mode>_mips16, *sge<u>_<mode>, *slt<u>_<mode>,
5913         *slt<u>_<mode>_mips16 *sle<u>_<mode>, *sle<u>_<mode>_mips16):
5914         Rewrite these to take two modes, the mode of comparison and the
5915         mode of the destination.
5916         * config/mips/mips.c (mips_expand_scc): Instead of having
5917         paradoxical subreg as destination, expand "narrowing" scc if mode
5918         of comparison is SI and target is requested in DI mode.
5919         (mips_emit_int_order_test): Update comment.  Make mode of
5920         comparison match CMP0 rather than TARGET.  When creating inverse
5921         target use mode of TARGET.
5922
5923 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
5924
5925         * gcov-dump.c (tag_summary): Only print summaries for the first
5926         GCOV_COUNTERS_SUMMABLE counters.
5927
5928 2008-04-10  Uros Bizjak  <ubizjak@gmail.com>
5929
5930         * config/i386/i386.md (absneg): New code iterator.
5931         (absnegprefix): New code attribute.
5932         (<code><mode>2): Macroize expander from abs<mode>2 and neg<mode>2
5933         patterns using absneg code iterator.
5934         (<code>tf2): Macroize expander from abstf2 and negtf2 patterns
5935         using absneg code iterator.
5936         (*<code><mode>2_1): Macroize insn pattern from *abs<mode>2_1 and
5937         *neg<mode>2 patterns using absneg code iterator.
5938         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
5939         *negextendsfdf2 patterns using absneg code iterator.
5940         (*<code>extendsfxf2): Macroize insn pattern from *absextendsfxf2 and
5941         *negextendsfxf2 patterns using absneg code iterator.
5942         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
5943         *negextendsfdf2 patterns using absneg code iterator.
5944         * config/i386/sse.md (<code><mode>2): Macroize expander from
5945         abs<mode>2 and neg<mode>2 patterns using absneg code iterator. 
5946
5947 2008-04-10  Andreas Krebbel  <krebbel1@de.ibm.com>
5948
5949         * config/s390/s390.h: Remove the remains of the recent search
5950         & replace action of current_function_outgoing_args_size.
5951
5952 2008-04-10  Ira Rosen  <irar@il.ibm.com>
5953
5954         PR tree-optimization/35821
5955         * tree-vect-transform.c (vect_create_data_ref_ptr): Add check that
5956         NEW_STMT_LIST is not NULL.
5957
5958 2008-04-09  David Edelsohn  <edelsohn@gnu.org>
5959
5960         PR libstdc++/35597
5961         * toplev.c (process_options): Remove -ffunction-sections debugging
5962         warning.
5963
5964 2008-04-09  Peter Bergner  <bergner@vnet.ibm.com>
5965
5966         PR middle-end/PR28690
5967         * explow.c (break_out_memory_refs): Use simplify_gen_binary rather
5968         than gen_rtx_fmt_ee to perform more canonicalizations.
5969
5970 2008-04-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5971
5972         PR driver/35665
5973         * collect2.c (write_c_file): Don't wrap in "#ifdef __cplusplus".
5974
5975 2008-04-09  Richard Guenther  <rguenther@suse.de>
5976
5977         * tree-cfg.c (verify_stmt): Print complete bogus stmt.
5978         (dump_function_to_file): Dump function arguments with types.
5979
5980 2008-04-08  Richard Guenther  <rguenther@suse.de>
5981
5982         * fold-const.c (fold_widened_comparison): Do not allow
5983         sign-changes that change the result.
5984
5985 2008-04-08  Janis Johnson  <janis187@us.ibm.com>
5986
5987         PR target/35839
5988         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle additional
5989         kinds of indirect references.
5990
5991 2008-04-08  David Edelsohn  <edelsohn@gnu.org>
5992
5993         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update
5994         GNU Fortran language string.
5995
5996 2008-04-08  Rafael Espindola  <espindola@google.com>
5997
5998         * fold-canst.c (tree_call_nonnegative_warnv_p): New.
5999         (tree_invalid_nonnegative_warnv_p): Use tree_call_nonnegative_warnv_p.
6000         * tree.h (tree_call_nonnegative_warnv_p): New.
6001
6002 2008-04-08  Jan Hubicka  <jh@suse.cz>
6003
6004         * function.c (free_after_compilation): Clear out regno_reg_rtx
6005         pointer.
6006
6007 2008-04-08  Peter Bergner  <bergner@vnet.ibm.com>
6008
6009         Revert
6010         2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
6011
6012         PR middle-end/PR28690
6013         * rtlanal.c: (commutative_operand_precedence): Give SYMBOL_REF's the
6014         same precedence as REG_POINTER and MEM_POINTER operands.
6015
6016 2008-04-08  Richard Guenther  <rguenther@suse.de>
6017
6018         PR middle-end/35834
6019         * tree-ssa-address.c (create_mem_ref): Use POINTER_PLUS_EXPR
6020         for adding index to base.
6021
6022 2008-04-08  Kai Tietz  <kai.tietz@onevision.com>
6023
6024         * config/i386/mingw32.h (ENABLE_EXECUTE_STACK): New.
6025         (MINGW_ENABLE_EXECUTE_STACK): New.
6026         (IN_LIBGCC2): For libgcc include windows.h file for
6027         function declarations.
6028
6029 2008-04-08  Hans-Peter Nilsson  <hp@axis.com>
6030
6031         * config/cris/cris.c (cris_address_cost): For a PLUS, swap tem1
6032         and tem2 if tem1 is not a REG or MULT.
6033
6034 2008-04-08  Jan Hubicka  <jh@suse.cz>
6035
6036         * function.h (incomming_args): Break out of struct function.
6037         (function_subsections): Break out of struct function.
6038         (rtl_data): Add args, subsections fields. Break out outgoing_args_size,
6039         return_rtx and hard_reg_initial_vals from struct function.
6040         Kill inl_max_label_num.
6041         (current_function_pops_args, current_function_args_info,
6042         current_function_args_size, current_function_args_size,
6043         current_function_pretend_args_size,
6044         current_function_outgoing_args_size,
6045         current_function_internal_arg_pointer, current_function_return_rtx):
6046         Kill compatibility accestor macros.
6047         * builtins.c (expand_builtin_apply_args_1): Update.
6048         (expand_builtin_next_arg): Update.
6049         * df-scan.c (df_get_call_refs): Update.
6050         * dbxout.c (dbxout_function_end): Update.
6051         * dwarf2out.c (dwarf2out_switch_text_section): Update.
6052         (output_line_info): Update.
6053         (secname_for_decl): Update.
6054         (dwarf2out_var_location): Update.
6055         * function.c (free_after_compilation): Update.
6056         (assign_parm_find_stack_rtl): Update.
6057         (assign_parms): Update.
6058         (expand_dummy_function_end): Update.
6059         (expand_function_end): Update.
6060         * calls.c (mem_overlaps_already_clobbered_arg_p): Update.
6061         (expand_call): Update.
6062         (emit_library_call_value_1): Update.
6063         (store_one_arg): Update.
6064         * varasm.c (initialize_cold_section_name): Update.
6065         (unlikely_text_section): Update.
6066         (unlikely_text_section_p): Update.
6067         (assemble_start_function): Update.
6068         (assemble_end_function): Update.
6069         (default_section_type_flags): Update.
6070         (switch_to_section): Update.
6071         * integrate.c (set_decl_abstract_flags): Update.
6072         (get_hard_reg_initial_val): Update.
6073         (has_hard_reg_initial_val): Update.
6074         (allocate_initial_values): Update.
6075         * resource.c (init_resource_info): Update.
6076         * config/alpha/alpha.c (NUM_ARGS): Update.
6077         (direct_return): Update.
6078         (alpha_va_start): Update.
6079         (alpha_sa_size): Update.
6080         (alpha_initial_elimination_offset): Update.
6081         (alpha_expand_prologue): Update.
6082         (alpha_start_function): Update.
6083         (alpha_expand_epilogue): Update.
6084         (unicosmk_initial_elimination_offset):
6085         * config/alpha/alpha.md (call expander): Update.
6086         * config/s390/s390.c (s390_register_info): Update.
6087         (s390_register_info): Update.
6088         (s390_frame_info): Update.
6089         (s390_initial_elimination_offset): Update.
6090         (s390_build_builtin_va_list): Update.
6091         (s390_va_start): Update.
6092         * config/spu/spu.c (direct_return): Update.
6093         (spu_expand_prologue): Update.
6094         (spu_initial_elimination_offset): Update.
6095         (spu_build_builtin_va_list): Update.
6096         (spu_va_start): Update.
6097         * config/sparc/sparc.c (sparc_init_modes): Update.
6098         (sparc_compute_frame_size): Update.
6099         (function_value): Update.
6100         * config/m32r/m32r.c (m32r_compute_frame_size): Update.
6101         * config/i386/i386.md (return expander): Update.
6102         * config/i386/i386.c (ix86_va_start): Update.
6103         (ix86_can_use_return_insn_p): Update.
6104         (ix86_compute_frame_layout): Update.
6105         (ix86_expand_epilogue): Update.
6106         * config/sh/sh.c (output_stack_adjust): Update.
6107         (calc_live_regs): Update.
6108         (sh_expand_prologue): Update.
6109         (sh_builtin_saveregs): Update.
6110         (sh_va_start): Update.
6111         (initial_elimination_offset): Update.
6112         (sh_allocate_initial_value): Update.
6113         (sh_function_ok_for_sibcall): Update.
6114         (sh_get_pr_initial_val): Update.
6115         * config/sh/sh.md (return expander): Update.
6116         * config/avr/avr.c (frame_pointer_required_p): UPdate.
6117         * config/crx/crx.c (crx_compute_frame): UPdate.
6118         (crx_initial_elimination_offset): UPdate.
6119         * config/xtensa/xtensa.c (compute_frame_size): Update
6120         (xtensa_builtin_saveregs): Update.
6121         (xtensa_va_start): Update.
6122         (order_regs_for_local_alloc): Update.
6123         * config/stormy16/stormy16.c (xstormy16_compute_stack_layout): Update.
6124         (xstormy16_expand_builtin_va_start): Update.
6125         * config/fr30/fr30.c (fr30_compute_frame_size): Update.
6126         * config/m68hc11/m68hc11.md (return expanders): Update.
6127         * config/m68hc11/m68hc11.c (expand_prologue): Update.
6128         (expand_epilogue): Update.
6129         * config/cris/cris.c (cris_initial_frame_pointer_offset): Update.
6130         (cris_simple_epilogue): Update.
6131         (cris_expand_prologue): Update.
6132         (cris_expand_epilogue): Update.
6133         * config/iq2000/iq2000.c (iq2000_va_start): Update.
6134         (compute_frame_size): Update.
6135         * config/mt/mt.c (mt_compute_frame_size): Update.
6136         * config/mn10300/mn10300.c (expand_prologue): Update.
6137         (expand_epilogue): Update.
6138         (initial_offset): Update.
6139         (mn10300_builtin_saveregs):
6140         * config/mn10300/mn10300.md (return expander): Update.
6141         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
6142         (ia64_initial_elimination_offset): Update.
6143         (ia64_initial_elimination_offset): Update.
6144         (ia64_expand_prologue): Update.
6145         * config/m68k/m68k.md (return expander): Update.
6146         * config/rs6000/rs6000.c (rs6000_va_start): Update.
6147         (rs6000_stack_info): Update.
6148         * config/mcore/mcore.c (layout_mcore_frame): Update.
6149         (mcore_expand_prolog): Update.
6150         * config/arc/arc.c (arc_compute_frame_size): Update.
6151         * config/score/score3.c (score3_compute_frame_size): Update.
6152         * config/score/score7.c (score7_compute_frame_size): Update.
6153         * config/arm/arm.c (use_return_insn): Update.
6154         (thumb_find_work_register): Update.
6155         (arm_compute_save_reg_mask): Update.
6156         (arm_output_function_prologue): Update.
6157         (arm_output_epilogue): Update.
6158         (arm_size_return_regs): Update.
6159         (arm_get_frame_offsets): Update.
6160         (arm_expand_prologue): Update.
6161         (thumb_exit): Update.
6162         (thumb_unexpanded_epilogue): Update.
6163         (thumb1_output_function_prologue): Update.
6164         * config/pa/pa.md (return expander): Update.
6165         * config/pa/pa.c (compute_frame_size): Update.
6166         (hppa_builtin_saveregs): Update.
6167         * config/mips/mips.c (mips_va_start): Update.
6168         (mips16_build_function_stub): Update.
6169         (mips_compute_frame_info): Update.
6170         (mips_restore_gp): Update.
6171         (mips_output_function_prologue): Update.
6172         (mips_expand_prologue): Update.
6173         * config/v850/v850.c (compute_frame_size): Update.
6174         (expand_prologue): * config/mmix/mmix.c (along): update.
6175         (mmix_initial_elimination_offset): update.
6176         (mmix_reorg): update.
6177         (mmix_use_simple_return): update.
6178         (mmix_expand_prologue): update.
6179         (mmix_expand_epilogue): Update.
6180         * config/bfin/bfin.c (bfin_initial_elimination_offset): Update.
6181         (emit_link_insn): Update.
6182
6183 2008-04-08  Anatoly Sokolov <aesok@post.ru>
6184
6185         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Define 
6186         __AVR_HAVE_EIJMP_EICALL__ macro if device have EIJMP and EICALL 
6187         instructions.
6188         * config/avr/avr.c (avr_mcu_types): Set AVR31 architecture for 
6189         atmega103 device.
6190
6191 2008-04-07  Jan Hubicka  <jh@suse.cz>
6192
6193         * function.h (rtl): Rename to x_rtl.
6194         (crtl): New define.
6195         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
6196         frame_offset, stack_check_probe_note, arg_pointer_save_area,
6197         used_temp_slots avail_temp_slots, temp_slot_level,
6198         nonlocal_goto_handler_labels): Update accesstors.
6199         (rtl): New global variable.
6200         (struct function): Move some fileds to rtl_data.
6201         (get_arg_pointer_save_area): Update prototype.
6202         * builtins.c (expand_builtin_setjmp_receiver): Update call of
6203         get_arg_pointer_save_area.
6204         * expr.c (init_expr): Update
6205         * function.c (get_frame_size): Update
6206         (assign_stack_local): Update
6207         (expand_function_end): Update.
6208         (get_art_pointer_save_area): Update
6209         * function.h 
6210         * emit-rtl.c (rtl): Declare.
6211         (regno_reg_rtx): Declare.
6212         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
6213         Update.
6214         (gen_reg_rtx): Update.
6215         * varasm.c (n_deferred_constatns): Update accestor.
6216         (init_varasm_status): Do not allocate varasm_status.
6217         (force_const_mem, get_pool_size, output_constant_pool): Update.
6218         * stmt.c (force_label_rtx): Do not use x_ prefixes.
6219         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
6220         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Update.
6221         * sparc/sparc.h (INIT_EXPANDERS): Update.
6222         * ia64/ia64.h (INIT_EXPANDERS): Update.
6223
6224 2008-04-07  James E. Wilson  <wilson@tuliptree.org>
6225
6226         * reload.c (push_secondary_reload): Add missing break to for loop.
6227
6228 2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
6229
6230         PR middle-end/PR28690
6231         * rtlanal.c: Update copyright years.
6232         (commutative_operand_precedence): Give SYMBOL_REF's the same precedence
6233         as REG_POINTER and MEM_POINTER operands.
6234         * emit-rtl.c (gen_reg_rtx_and_attrs): New function.
6235         (set_reg_attrs_from_value): Call mark_reg_pointer as appropriate.
6236         * rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function.
6237         * gcse.c: Update copyright years.
6238         (pre_delete): Call gen_reg_rtx_and_attrs.
6239         (hoist_code): Likewise.
6240         (build_store_vectors): Likewise.
6241         (delete_store): Likewise.
6242         * loop-invariant.c (move_invariant_reg): Likewise.
6243         Update copyright years.
6244
6245 2008-04-07  Uros Bizjak  <ubizjak@gmail.com>
6246
6247         * config/i386/i386.md ("*sse_prologue_save_insn"): Use braced output
6248         control string instead of quoted.
6249
6250 2008-04-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
6251
6252         * doc/rtl.texi: Rewrite of subreg section.
6253
6254 2008-04-07  Kai Tietz  <kai.tietz@onevision.com>
6255
6256         PR/35842
6257         * config/i386/i386.c (legitimize_pic_address): Add treating
6258         of dllimport SYM_REF's.
6259         (legitimize_dllimport_symbol): Add prototype.
6260
6261 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
6262
6263         * fold-const.c (fold) <ARRAY_REF>: New case.  Try to fold constant
6264         reference in constructor with non self-referential type.
6265
6266 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
6267
6268         Removal of Return with Depressed Stack Pointer support
6269         * tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete.
6270         (ECF_SP_DEPRESSED): Likewise.
6271         (ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust.
6272         * calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED.
6273         (flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED.
6274         (expand_call): Do not test ECF_SP_DEPRESSED.
6275         * dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED.
6276         * function.c (keep_stack_depressed): Delete.
6277         (handle_epilogue_set): Likewise.
6278         (update_epilogue_consts): Likewise.
6279         (emit_equiv_load): Likewise.
6280         (thread_prologue_and_epilogue_insns): Remove support for Return with
6281         Depressed Stack Pointer.
6282         * print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED.
6283
6284 2008-04-06  Richard Guenther  <rguenther@suse.de>
6285
6286         PR tree-optimization/35400
6287         * tree-vrp.c (vrp_evaluate_conditional): Only query value-range
6288         information from SSA_NAMEs.
6289
6290 2008-04-06  Anatoly Sokolov <aesok@post.ru>
6291
6292         * config/avr/avr.h (avr_mega_p): Remove declaration.
6293         (AVR_MEGA): Remove macro.
6294         * config/avr/avr.c (avr_mega_p): Remove variable.
6295         (avr_override_options): Remove inicializion of avr_mega_p.
6296         Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
6297         (print_operand): Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
6298         (avr_jump_mode): (Ditto.).
6299         (avr_output_progmem_section_asm_op): (Ditto.).
6300         (avr_asm_init_sections): (Ditto.).
6301         (avr_asm_init_sections): (Ditto.).
6302         (avr_rtx_costs): (Ditto.).
6303         * config/avr/avr.md: (Ditto.).
6304         * config/avr/avr.h: Use '__AVR_HAVE_JMP_CALL__' instead of 
6305         '__AVR_MEGA__'.
6306
6307 2008-04-06  Richard Guenther  <rguenther@suse.de>
6308
6309         PR tree-optimization/35842
6310         * tree-ssa-address.c (fixed_address_object_p): Adjust to match
6311         is_gimple_invariant_address.
6312
6313 2008-04-06  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
6314
6315         * gcc.c (default_compilers): Sync Fortran extensions list with
6316         that in fortran/lang-specs.h.
6317         * doc/invoke.texi: Likewise.
6318         * dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
6319         * dwarf2out.c (gen_compile_unit_die): Likewise.
6320
6321 2008-04-06  Tom G. Christensen  <tgc@jupiterrise.com>
6322
6323         * gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &.
6324
6325 2008-04-05  Uros Bizjak  <ubizjak@gmail.com>
6326
6327         PR target/12329
6328         * config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
6329         attribute is used for nested functions.
6330
6331 2008-04-05  Jan Hubicka  <jh@suse.cz>
6332
6333         * emit-rtl.c (init_emit): xcalloc regno_pointer_align.
6334
6335         * tree-dump.c (dump_enable_all): Remove prototype; do not accept
6336         letter argument.
6337         (dump_files): Update.
6338         (enable_rtl_dump_file): Do not accept letter argument.
6339         * tree-pass.h (dump_file_info): Remove letter argument.
6340         * toplev.c (decode_d_option): Update -da handling.
6341         * toplev.h (enable_rtl_dump_file): Update prototype.
6342         * passes.c (register_one_dump_file): Do not accept IPA argument; work
6343         it out based on pass type.
6344         (register_dump_files_1): Likewise.
6345         (init_optimization_passes): Update register_one_dump_file calls.
6346         (execute_one_pass): Sanity check that IPA passes are called at IPA
6347         level and RTL passes at RTL level.
6348         (execute_pass_list): IPA pass can not be after or subpass of
6349         GIMPLE/RTL pass.
6350         (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
6351         disallov RTL subpasses of IPA subpasses.
6352
6353 2008-04-05  Ben Elliston  <bje@au.ibm.com>
6354
6355         * tree-cfg.c (need_fake_edge_p): Return false for calls to
6356         builtins that return exactly once and do not throw. Cache call to
6357         call_expr_flags.
6358
6359 2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>
6360
6361         PR rtl-optimization/34916
6362         PR middle-end/35519
6363         * combine.c (create_log_links): Do not create duplicate LOG_LINKS
6364         between instruction pairs.
6365
6366 2008-04-04  Naveen.H.S  <naveen.hs@kpitcummins.com>
6367
6368         * doc/invoke.texi: Document -mbitops for SH.
6369         * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
6370         * config/sh/predicates.md (bitwise_memory_operand): New predicate.
6371         * config/sh/sh.c (print_operand): Add %t operand code.
6372         * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
6373         * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
6374         (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
6375         (extendqihi2): Likewise.
6376         (movqi_i): Likewise.
6377         (insv): Use bset, bclr and bst instructions for SH2A if possible.
6378         (extv): Use bld instruction for SH2A if possible.
6379         (extzv): Likewise.
6380         (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
6381         bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
6382         bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
6383         (bset.b, bclr.b): Define peepholes.
6384         * config/sh/sh.opt (mbitops): New option.
6385
6386 2008-04-04  Janis Johnson  <janis187@us.ibm.com>
6387
6388         PR target/35620
6389         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
6390         and view convert expression.
6391
6392 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
6393
6394         PR target/35364
6395         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
6396
6397 2008-04-04  H.J. Lu  <hongjiu.lu@intel.com>
6398
6399         * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.
6400
6401         * config/i386/cpuid.h (bit_AES): New.
6402         (bit_PCLMUL): Likewise.
6403
6404         * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
6405         (override_options): Handle PTA_AES and PTA_PCLMUL.  Enable
6406         SSE2 if AES or PCLMUL is enabled.
6407         (ix86_builtins): Add IX86_BUILTIN_AESENC128,
6408         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
6409         IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
6410         IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
6411         (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
6412         (bdesc_2arg): Add IX86_BUILTIN_AESENC128,
6413         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
6414         IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
6415         (bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
6416         (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
6417         __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
6418         __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
6419         __builtin_ia32_aeskeygenassist128 and
6420         __builtin_ia32_pclmulqdq128.
6421         * config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
6422         (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
6423         IX86_BUILTIN_PSRLDQI128.  Handle IX86_BUILTIN_AESKEYGENASSIST128.
6424
6425         * config/i386/i386.h (TARGET_AES): New.
6426         (TARGET_PCLMUL): Likewise.
6427         (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.
6428
6429         * config/i386/i386.md (UNSPEC_AESENC): New.
6430         (UNSPEC_AESENCLAST): Likewise.
6431         (UNSPEC_AESDEC): Likewise.
6432         (UNSPEC_AESDECLAST): Likewise.
6433         (UNSPEC_AESIMC): Likewise.
6434         (UNSPEC_AESKEYGENASSIST): Likewise.
6435         (UNSPEC_PCLMUL): Likewise.
6436
6437         * config/i386/i386.opt (maes): New.
6438         (mpclmul): Likewise.
6439
6440         * config/i386/sse.md (aesenc): New pattern.
6441         (aesenclast): Likewise.
6442         (aesdec): Likewise.
6443         (aesdeclast): Likewise.
6444         (aesimc): Likewise.
6445         (aeskeygenassist): Likewise.
6446         (pclmulqdq): Likewise.
6447
6448         * config/i386/wmmintrin.h: New.
6449
6450         * doc/extend.texi: Document AES and PCLMUL built-in function.
6451
6452         * doc/invoke.texi: Document -maes and -mpclmul.
6453
6454 2008-04-04  Paolo Bonzini  <bonzini@gnu.org>
6455
6456         * function.c (free_after_parsing): Replace with
6457         cxx_push_function_context from C++ front-end.
6458         (allocate_struct_function): Don't call langhook.
6459         * langhooks.h (struct lang_hooks_for_functions): Delete.
6460         (struct lang_hooks): Add back missing_noreturn_ok_p here, delete
6461         member "function".
6462         * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
6463         (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
6464         LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
6465         LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
6466         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
6467         remove LANG_HOOKS_FUNCTION_INITIALIZER.
6468         * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.
6469
6470         * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
6471         Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
6472         
6473 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
6474
6475         PR c/35440
6476         * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
6477         for all types.
6478
6479 2008-04-04  Richard Guenther  <rguenther@suse.de>
6480
6481         PR middle-end/35823
6482         * fold-const.c (optimize_minmax_comparison): Use the correct
6483         type for the constant in the simplified comparison.
6484
6485 2008-04-04  Zuxy Meng <zuxy.meng@gmail.com>
6486
6487         * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
6488         Pass L2 size as "--param l2-cache-size" to the compiler.
6489         (decode_l2_cache): New function to decode L2 cache parameters using
6490         0x8000006 extended cpuid function.
6491         (detect_caches_amd): Determine parameters of L2 cache using
6492         decode_l2_caches function.
6493         (decode_caches_intel): Decode L2 cache parameters.
6494         (detect_caches_intel): Determine L2 cache parameters using
6495         decode_caches_intel and decode_l2_caches functions.
6496
6497 2008-04-03  Bob Wilson  <bob.wilson@acm.org>
6498
6499         * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
6500         secondary input reload for subword loads from the constant pool.
6501
6502 2008-04-03  Janis Johnson  <janis187@us.ibm.com>
6503
6504         PR target/35713
6505         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
6506           constants of the appropriate size for runtime calculations.
6507
6508         PR c/35712
6509         * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
6510           decimal-float literal constant zero.
6511
6512 2008-04-03  Jakub Jelinek  <jakub@redhat.com>
6513
6514         PR c/35738
6515         * c-parser.c (c_parser_omp_atomic): Call
6516         default_function_array_conversion on the RHS.
6517
6518         PR middle-end/35818
6519         * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
6520         call is_variable_sized if decl has incomplete type.
6521
6522 2008-04-03  H.J. Lu  <hongjiu.lu@intel.com>
6523
6524         * config/i386/i386-protos.h (ix86_aligned_p): Removed.
6525
6526 2008-04-03  Adam Nemet  <anemet@caviumnetworks.com>
6527
6528         * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
6529         iterators.
6530         (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and leu.
6531         (sgt<u>): Merge sgt and sgtu into new expander.
6532         (sgt, sgtu): Remove expanders.
6533         (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new pattern.
6534         (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
6535         (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
6536         *sgtu_<mode>_mips16 into new pattern.
6537         (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
6538         (sge<u>): Merge sge and sgeu into new expander.
6539         (sge, sgeu): Remove expanders.
6540         (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
6541         new pattern.
6542         (*sge_<mode>, second *sge_<mode>): Remove patterns.
6543         (slt<u>): Merge slt and sltu into new expander.
6544         (slt, sltu): Remove expanders.
6545         (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new pattern.
6546         (*slt_<mode>, *sltu_<mode>): Remove patterns.
6547         (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
6548         *sltu_<mode>_mips16 into new pattern.
6549         (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
6550         (sle<u>): Merge sle and sleu into new expander.
6551         (sle, sleu): Remove expanders.
6552         (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new pattern.
6553         (*sle_<mode>, *sleu_<mode>): Remove patterns.
6554         (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
6555         *sleu_<mode>_mips16 into new pattern.
6556         (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
6557
6558 2008-04-03  Jan Hubicka  <jh@suse.cz>
6559
6560         PR tree-optimization/35795
6561         * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
6562         * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
6563         * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
6564         * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
6565         * score/score3.c (score3_output_mi_thunk): Likewise.
6566         * score/score7.c (score7_output_mi_thunk): Likewise.
6567         * mips/mips.c (mips_output_mi_thunk): Likewise.
6568
6569 2008-04-03  Richard Guenther  <rguenther@suse.de>
6570
6571         * tree-vrp.c (extract_range_from_unary_expr): Handle all
6572         conversions.  Simplify code.
6573
6574 2008-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
6575
6576         * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
6577
6578 2008-04-03  Tom Tromey  <tromey@redhat.com>
6579             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6580
6581         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
6582         * config/bfin/t-bfin-linux (generated_files): Add
6583         linux-sysroot-suffix.h.
6584         * doc/install.texi (Prerequisites): Require make 3.80.
6585         * doc/sourcebuild.texi (Front End Directory): Document new
6586         variable.
6587         * Makefile.in (generated_files): New variable.
6588         (ALL_HOST_OBJS): New variable.
6589         ($(ALL_HOST_OBJS)): New target.
6590
6591 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
6592
6593         * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
6594         (remap_block): Call id->transform_lang_insert_block instead
6595         of langhook.
6596         (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
6597         Set id.transform_lang_insert_block to NULL.
6598         (clone_body): Move to cp/optimize.c
6599         * tree-inline.h (struct copy_body_data): Change
6600         transform_lang_insert_block to function pointer.
6601         (copy_generic_body, copy_decl_no_change): Export.
6602         * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
6603         * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
6604         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
6605
6606         * c-tree.h (insert_block): Kill.
6607         * c-decl.c (insert_block): Kill.
6608
6609 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
6610
6611         * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
6612         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
6613         * c-tree.h (c_push_function_context, c_pop_function_context): Remove
6614         argument.
6615         * c-decl.c (c_push_function_context, c_pop_function_context): Remove
6616         argument, call {push,pop}_function_context from here.
6617         * c-parser.c: Use c_{push,pop}_function_context.
6618
6619         * function.c (push_function_context_to): Move meat ...
6620         (push_function_context): ... here.  Simplify.
6621         * function.c (pop_function_context_from): Move meat ...
6622         (pop_function_context): ... here.  Simplify.
6623         * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
6624         leave_nested).
6625         * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
6626         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
6627         (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
6628         * tree.h (push_function_context_to, pop_function_context_from): Remove.
6629
6630 2008-04-03  Ben Elliston  <bje@au.ibm.com>
6631
6632         * expmed.c (extract_force_align_mem_bit_field): Remove.
6633
6634 2008-04-03  Richard Guenther  <rguenther@suse.de>
6635
6636         PR middle-end/35800
6637         * expr.h (try_casesi): Adjust prototype.
6638         * expr.c (try_casesi): Take fallback label as extra parameter.
6639         Use that for gen_casesi if default_label is NULL.
6640         * stmt.c (expand_case): Pass fallback label to try_casesi,
6641         make sure to fill gaps with a fallback label if default_label
6642         is not present.
6643
6644 2008-04-03  Dominique d'Humieres <dominiq@lps.ens.fr>
6645
6646         PR target/35801
6647         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
6648
6649 2008-04-03  Ben Elliston  <bje@au.ibm.com>
6650
6651         * expmed.c (extract_split_bit_field): Remove if (0) code.
6652         * tree-ssa-structalias.c (do_sd_constraint): Likewise.
6653         (do_ds_constraint): Likewise.
6654
6655 2008-04-02  Joseph Myers  <joseph@codesourcery.com>
6656
6657         * doc/cppopts.texi (-dU): Document.
6658         * c-common.h (flag_dump_macros): Update comment.
6659         * c-opts.c (handle_OPT_d): Handle -dU.
6660         * c-ppoutput.c (macro_queue, define_queue, undef_queue,
6661         dump_queued_macros, cb_used_define, cb_used_undef): New.
6662         (init_pp_output): Handle -dU.
6663         (cb_line_change): Call dump_queued_macros.
6664         * toplev.c (decode_d_option): Accept -dU as preprocessor option.
6665
6666 2008-04-02  Anatoly Sokolov <aesok@post.ru>
6667
6668         * config/avr/predicates.md (io_address_operand): New predicate. 
6669         * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
6670         * config/avr/avr.c (avr_io_address_p): Remove function.
6671         (out_movqi_r_mr): Use 'io_address_operand' predicate instead of 
6672         'avr_io_address_p' function.
6673         (out_movhi_r_mr): (Ditto.).
6674         (out_movqi_mr_r): (Ditto.).
6675         (out_movhi_mr_r): (Ditto.).
6676         (avr_address_cost): (Ditto.).
6677
6678 2008-04-02  Uros Bizjak  <ubizjak@gmail.com>
6679
6680         * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
6681         Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
6682         in 32bit mode when XMM registers are available to avoid store
6683         forwarding stalls.
6684         (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
6685         corresponding post-reload splitters.
6686
6687 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
6688
6689         * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
6690         and __builtin_ia32_shufpd.  Provide __builtin_ia32_roundsd and
6691         __builtin_ia32_roundss.
6692         (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
6693         __builtin_ia32_shufpd, __builtin_ia32_roundsd and
6694         __builtin_ia32_roundss.
6695         (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
6696         IX86_BUILTIN_SHUFPD here.
6697
6698 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
6699
6700         * config/i386/i386.md (plogic): New.
6701         (plogicprefix): Likewise.
6702
6703         * config/i386/mmx.md (mmx_<code><mode>3): New.
6704         (mmx_and<mode>3): Removed.
6705         (mmx_ior<mode>3): Likewise.
6706         (mmx_xor<mode>3): Likewise.
6707
6708         * config/i386/sse.md (<code><mode>3): New.
6709         (*<code><mode>3): Likewise.
6710         (*<code><mode>3): Likewise.
6711         (<code><mode>3): Likewise.
6712         (*sse_<code><mode>3): Likewise.
6713         (*sse2_<code><mode>3): Likewise.
6714         (<code>tf3): Likewise.
6715         (*<code>tf3): Likewise.
6716         (and<mode>3): Likewise.
6717         (*and<mode>3): Likewise.
6718         (ior<mode>3): Removed.
6719         (*ior<mode>3): Likewise.
6720         (xor<mode>3): Likewise.
6721         (*xor<mode>3): Likewise.
6722         (*and<mode>3): Likewise.
6723         (*ior<mode>3): Likewise.
6724         (*xor<mode>3): Likewise.
6725         (and<mode>3): Likewise.
6726         (*sse_and<mode>3): Likewise.
6727         (*sse2_and<mode>3): Likewise.
6728         (andtf3): Likewise.
6729         (*andtf3): Likewise.
6730         (ior<mode>3): Likewise.
6731         (*sse_ior<mode>3): Likewise.
6732         (*sse2_ior<mode>3): Likewise.
6733         (iortf3): Likewise.
6734         (*iortf3): Likewise.
6735         (xor<mode>3): Likewise.
6736         (*sse_xor<mode>3): Likewise.
6737         (*sse2_xor<mode>3): Likewise.
6738         (xortf3): Likewise.
6739         (*xortf3): Likewise.
6740
6741 2008-04-02  Richard Guenther  <rguenther@suse.de>
6742
6743         PR tree-optimization/14495
6744         PR tree-optimization/34793
6745         * tree-vrp.c (struct switch_update): New structure.
6746         (to_remove_edges, to_update_switch_stmts): New VECs.
6747         (simplify_switch_using_ranges): New function.  Remove not taken
6748         case labels and edges.
6749         (simplify_stmt_using_ranges): Call it.
6750         (identify_jump_threads): Mark edges we have queued for removal
6751         so we don't thread them.
6752         (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
6753         case label vector.
6754         * tree-cfg.c (group_case_labels): Deal with missing default label.
6755         (tree_verify_flow_info): Allow missing default label.
6756         * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
6757         (emit_case_nodes): Likewise.
6758         (expand_case): Do not rely on the default label to be present.
6759         * expr.c (try_casesi): Deal with NULL default_label.
6760         (do_tablejump): Likewise.
6761
6762 2008-04-02  Richard Guenther  <rguenther@suse.de>
6763
6764         PR tree-optimization/14495
6765         * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
6766         SWITCH_EXPR here ...
6767         (vrp_visit_switch_stmt): ... but here (new function).
6768         (find_case_label_index): New helper function.
6769         (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
6770
6771 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
6772
6773         * fwprop.c: Fix ISO-C99ism.
6774
6775 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
6776
6777         PR bootstrap/35752
6778         * Makefile.in (objdir): Set it here.
6779         * configure.ac: Not here.  Find dynamic linker characteristics.
6780         * exec-tool.in: Use them.
6781         * aclocal.m4: Regenerate.
6782         * configure: Regenerate.
6783
6784 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
6785
6786         * expr.c (expand_var): Delete it.
6787         * expr.h (expand_var): Delete prototype.
6788         * function.c (expand_function_start): Use expand_decl instead.
6789         * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
6790         langhook.
6791
6792 2008-04-02  Andy Hutchinson <hutchinsonamdy@aim.com>
6793
6794         PR rtl-optimization/35542
6795         * fwprop.c (forward_propagate_and_simplify): Replace
6796         loc_reg_mentioned_in_p with reg_mentioned_p.
6797
6798 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
6799
6800         PR rtl-optimization/35281
6801         * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
6802         (propagate_rtx_1): Handle PR_HANDLE_MEM.
6803         (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
6804         (varying_mem_p): Move above propagate_rtx.
6805         (all_uses_available_at): Do not check MEMs.
6806
6807 2008-04-02  Rafael Espindola  <espindola@google.com>
6808
6809         * tree-vrp.c (extract_code_and_val_from_cond): Remove.
6810         (register_edge_assert_for_2): Split the cond argument.
6811         (register_edge_assert_for_1): Adjust for the change in
6812         register_edge_assert_for_2.
6813         (register_edge_assert_for): Split the cond argument.
6814         (find_switch_asserts): Adjust for the change in
6815         register_edge_assert_for.
6816
6817 2008-04-02  Kai Tietz  <kai.tietz@onevision.com>
6818
6819         * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
6820         * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
6821         offsets for 64-bit mingw.
6822         * config/i386/i386.c (ix86_pass_by_reference): Correct calling
6823         abi for x86_64-pc-mingw.
6824
6825 2008-04-02  Richard Guenther  <rguenther@suse.de>
6826
6827         * tree-vrp.c (extract_range_from_assert): Make sure to not
6828         produce range min/max with TREE_OVERFOW set.
6829         If merging a anti-range and a range keep the anti-range if
6830         the range covers all values of the type.
6831         (register_edge_assert_for_2): Only allow sign-changing
6832         conversions in detecting canonical range checks.  Also
6833         register an assert for the unsigned name if useful.
6834
6835         PR tree-optimization/35787
6836         * tree-vrp.c (vrp_val_max): New function.
6837         (vrp_val_min): Likewise.
6838         (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
6839         (vrp_val_is_min): Likewise.
6840         (supports_overflow_infinity): Use vrp_val_{min,max}.
6841         (negative_overflow_infinity): Likewise.
6842         (positive_overflow_infinity): Likewise.
6843         (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
6844         (is_positive_overflow_infinity): Likewise.
6845         (is_overflow_infinity): Likewise.
6846         (avoid_overflow_infinity): Use vrp_val_{min,max} and
6847         vrp_val_is_{min,max}.
6848         (set_and_canonicalize_value_range): Canonicalize anti-ranges
6849         to ranges if possible.  Avoid empty ranges.
6850
6851 2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6852
6853         PR middle-end/35705
6854         * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
6855         the expression is a function address.
6856
6857 2008-04-01  George Helffrich  <george@gcc.gnu.org>
6858
6859         PR fortran/35154, fortran/23057
6860         * dbxout.c: Emit .stabs debug info for Fortran COMMON block
6861         variables as base symbol name + offset using N_BCOMM/N_ECOMM.
6862         (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
6863         (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
6864         in common.
6865         (dbxout_syms): Check for COMMON-based symbol and wrap in
6866         N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
6867         in bracket for efficiency.
6868
6869         * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
6870         using DW_TAG_common_block + member offset.
6871         (add_pubname_string): New function.
6872         (dw_expand_expr): New function to find block name and offset for
6873         COMMON var.
6874         (common_check): New function to check whether symbol in Fortran COMMON.
6875         (gen_variable_die): If COMMON, use DW_TAG_common_block.
6876
6877 2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>
6878
6879         PR c/35436
6880         * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
6881
6882 2008-04-02  Ben Elliston  <bje@au.ibm.com>
6883
6884         * config/v850/v850.md (casesi): Remove if (0) code.
6885         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
6886         * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
6887
6888 2008-04-01  Uros Bizjak  <ubizjak@gmail.com>
6889
6890         * config/i386/i386.md (rex64suffix): New mode attribute.
6891         (floathi<mode>2): Disable expander for SSE math.
6892         (*floathi<mode>2_1): New insn insn_and_split pattern.
6893         (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
6894         corresponding post-reload splitters.
6895         (*floathi<mode>2_i387): New macroized insn pattern.
6896         (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
6897         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
6898         insn_and_split pattern.
6899         (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
6900         New macroized instruction patterns and corresponding post-reload
6901         splitters.
6902         (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
6903         and corresponding post-reload splitters.
6904         (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
6905         New macroized instruction patterns.
6906         (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
6907         macroized instruction patterns and corresponding post-reload splitters.
6908         (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
6909         corresponding post-reload splitters.
6910         (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
6911         New macroized instruction patterns.
6912         (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
6913         corresponding post-reload splitters.
6914         (*floatsi<mode>2_i387): New macroized instruction patterns.
6915
6916 2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>
6917
6918         * config/i386/i386.md (smaxmin): New.
6919         (umaxmin): Likewise.
6920         (maxminiprefix): Likewise.
6921         (maxminfprefix): Likewise.
6922         (<code><mode>3): Likewise.
6923         (smin<mode>3): Removed.
6924         (smax<mode>3): Likewise.
6925
6926         * config/i386/mmx.md (mmx_<code>v2sf3): New.
6927         (mmx_<code>v4hi3): Likewise.
6928         (mmx_<code>v8qi3): Likewise.
6929         (mmx_smaxv2sf3): Removed.
6930         (mmx_sminv2sf3): Likewise.
6931         (mmx_umaxv8qi3): Likewise.
6932         (mmx_smaxv4hi3): Likewise.
6933         (mmx_uminv8qi3): Likewise.
6934         (mmx_sminv4hi3): Likewise.
6935
6936         * config/i386/sse.md (<addsub><mode>3): New.
6937         (*<addsub><mode>3): Likewise.
6938         (<sse>_vm<addsub><mode>3): Likewise.
6939         (<maxmin><mode>3): Likewise.
6940         (*<maxmin><mode>3_finite): Likewise.
6941         (*<maxmin><mode>3): Likewise.
6942         (<sse>_vm<maxmin><mode>3): Likewise.
6943         (sse3_h<addsub>v4sf3): Likewise.
6944         (sse3_h<addsub>v2df3): Likewise.
6945         (<maxmin>v16qi3): Likewise.
6946         (*<maxmin>v16qi3): Likewise.
6947         (<maxmin>v8hi3): Likewise.
6948         (*<maxmin>v8hi3): Likewise.
6949         (*sse4_1_<maxmin><mode>3): Likewise.
6950         (*sse4_1_<maxmin><mode>3): Likewise.
6951         (add<mode>3): Removed.
6952         (*add<mode>3): Likewise.
6953         (<sse>_vmadd<mode>3): Likewise.
6954         (sub<mode>3): Likewise.
6955         (*sub<mode>3): Likewise.
6956         (<sse>_vmsub<mode>3): Likewise.
6957         (smin<mode>3): Likewise.
6958         (*smin<mode>3_finite): Likewise.
6959         (*smin<mode>3): Likewise.
6960         (<sse>_vmsmin<mode>3): Likewise.
6961         (smax<mode>3): Likewise.
6962         (*smax<mode>3_finite): Likewise.
6963         (*smax<mode>3): Likewise.
6964         (<sse>_vmsmax<mode>3): Likewise.
6965         (sse3_haddv4sf3): Likewise.
6966         (sse3_haddv2df3): Likewise.
6967         (sse3_hsubv4sf3): Likewise.
6968         (sse3_hsubv2df3): Likewise.
6969         (umaxv16qi3): Likewise.
6970         (*umaxv16qi3): Likewise.
6971         (smaxv8hi3): Likewise.
6972         (*smaxv8hi3): Likewise.
6973         (*sse4_1_smax<mode>3): Likewise.
6974         (*sse4_1_umax<mode>3): Likewise.
6975         (uminv16qi3): Likewise.
6976         (*uminv16qi3): Likewise.
6977         (sminv8hi3): Likewise.
6978         (*sminv8hi3): Likewise.
6979         (*sse4_1_smin<mode>3): Likewise.
6980         (*sse4_1_umin<mode>3): Likewise.
6981
6982 2008-04-01  Rafael Espindola  <espindola@google.com>
6983
6984         * tree-cfg.c (verify_expr): remove in_phi.
6985         (verify_stmt): Don't call walk_tree with verify_expr. Use
6986         is_gimple_min_invariant instead of is_gimple_val.
6987
6988 2008-04-01  Joseph Myers  <joseph@codesourcery.com>
6989
6990         * doc/include/gpl_v3.texi: Update for manpage generation.
6991         * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
6992         gpl.texi.
6993         * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
6994         * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
6995         gpl_v3.texi instead of gpl.texi.
6996         (gpl.pod): New.
6997
6998 2008-04-01  Jakub Jelinek  <jakub@redhat.com>
6999
7000         PR pch/13675
7001         * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
7002
7003 2008-04-01  Rafael Espindola  <espindola@google.com>
7004
7005         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
7006         (extract_code_and_val_from_cond): Use
7007         extract_code_and_val_from_cond_with_ops.
7008
7009 2008-04-01  Jan Hubicka  <jh@suse.cz>
7010
7011         * function.c (free_after_compilation): Free epilogue_delay_list.
7012         (prepare_function_start): Assert that previous compilation was freed.
7013
7014 2008-04-01  Jan Hubicka  <jh@suse.cz>
7015             Jim Wilson  <wilson@tuliptree.org>
7016             Andreas Tobler <andreast@gcc.gnu.org>
7017
7018         PR middle-end/35781
7019         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
7020         rtl.emit instead cfun->emit.
7021         * sparc/sparc.h (INIT_EXPANDERS): Likewise.
7022         * ia64/ia64.h (INIT_EXPANDERS): Likewise.
7023
7024 2008-04-01  Ben Elliston  <bje@au.ibm.com>
7025
7026         * doc/c-tree.texi (Function Basics): Fix grammatical error.
7027
7028 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
7029
7030         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
7031         New options
7032         (fprofile-use): Add var flag_profile_use
7033         * coverage.c (coverage_begin_output): Do not open a gcno file for
7034         output only if -ftest-coverage is set.
7035         Do not add getpwd() to gcda file path.
7036         (build_gcov_info): Check the new flag
7037         flag_profile_datafile_relative_path.
7038         (coverage_init): Use profile_data_prefix.
7039         Read profile counter only if flag_profile_use is set.
7040         * opts.c (common_handle_option): New option fprofile-use=,
7041         fprofile-dir=, fprofile-generate=.
7042         * toplev.c (profile_data_prefix): New variable definition.
7043         * toplev.h (profile_data_prefix): New declaration.
7044         * doc/invoke.tex (Option Summary, Optimization Options):
7045         Add new options.
7046
7047 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
7048
7049         * varasm.c (output_constant_pool_1): In LABEL_REF check,
7050         use tmp consistently.
7051
7052         PR target/35695
7053         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
7054         * config/ia64/ia64.c (rtx_needs_barrier): Handle
7055         UNSPEC_FR_RECIP_APPROX_RES.
7056         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
7057
7058 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
7059
7060         PR c/35750
7061         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
7062
7063 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7064
7065         PR middle-end/30186
7066         * fold-const.c (fold_indirect_ref_1): Support accessing non first
7067         element of the vector via a pointer.
7068
7069 2008-03-31  Ian Lance Taylor  <iant@google.com>
7070
7071         * tlink.c (scan_linker_output): Look for symbol name in single quotes.
7072
7073 2008-03-31  Jan Hubicka  <jh@suse.cz>
7074
7075         * builtins.c (expand_builtin_setjmp_receiver): Update call of
7076         get_arg_pointer_save_area.
7077         * expr.c (init_expr): Just clear out rtl.expr.
7078         * function.c (free_after_compilation): Clear out whole RTL structure.
7079         (get_func_frame_size): Merge into ...
7080         (get_frame_size): ... this one.
7081         (assign_stack_local_1): Merge into ...
7082         (assign_stack_local): ... this one.
7083         (expand_function_end): Update call of get_arg_pointer_save_area.
7084         (get_art_pointer_save_area): Remove cfun argument.
7085         * function.h (emit_status): regno_pointer_align does not need length
7086         attribute. Move x_regno_reg_rtx to ...
7087         (regno_reg_rtx): ... new global array.
7088         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
7089         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
7090         apply_args_value, forced_labels, stack_pointer_delta):
7091         Update accestors.
7092         (struct varasm_status): Move here from varasm.c
7093         (struct rtl_data): New. Move here some fields from struct function.
7094         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
7095         frame_offset, stack_check_probe_note, arg_pointer_save_area,
7096         used_temp_slots avail_temp_slots, temp_slot_level,
7097         nonlocal_goto_handler_labels): Update accesstors.
7098         (rtl): New global variable.
7099         (struct function): Move some fileds to rtl_data.
7100         (get_arg_pointer_save_area): Update prototype.
7101         * emit-rtl.c (rtl): Declare.
7102         (regno_reg_rtx): Declare.
7103         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
7104         Update.
7105         (gen_reg_rtx): Update.
7106         (init_virtual_regs): Do not tate emit_status argument.
7107         (init_emit): Do not allocate emit.
7108         * varasm.c (varasm_statuc): Move to function.h.
7109         (n_deferred_constatns): Update accestor.
7110         (init_varasm_status): Do not allocate varasm_status.
7111         (force_const_mem, get_pool_size, output_constant_pool): Update.
7112         * stmt.c (force_label_rtx): Do not use x_ prefixes.
7113         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
7114
7115 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
7116
7117         PR rtl-optimization/35729
7118         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
7119         references.
7120
7121 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
7122
7123         PR target/32000
7124         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
7125         load/store if memory is unaligned.
7126         (*movti_rex64): Likewise.
7127
7128         * config/i386/predicates.md (misaligned_operand): New.
7129
7130 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
7131
7132         PR tree-opt/35431
7133         * tree-ssa-phiopt.c (conditional_replacement): Return early for
7134         complex types.
7135
7136 2008-03-31  Jan Beulich  <jbeulich@novell.com>
7137
7138         * config/ia64/constraints.md: Add 'j' constraint.
7139         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
7140         (movdi_internal): Likewise.
7141
7142 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
7143
7144         PR c/35748
7145         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
7146
7147 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
7148
7149         PR target/35757
7150         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
7151         proper error message for the third argument on blendpd and
7152         blendps.
7153
7154         * config/i386/sse.md (blendbits): New.
7155         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
7156
7157 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
7158
7159         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
7160
7161 2008-03-30  Richard Guenther  <rguenther@suse.de>
7162
7163         PR middle-end/31023
7164         * fold-const.c (fold_sign_changed_comparison): Do leave
7165         conversions to base-types alone.
7166
7167 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7168
7169         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
7170         the link register if one altivec register is be saved.
7171
7172 2008-03-30  Ben Elliston  <bje@au.ibm.com>
7173
7174         * final.c (final_scan_insn): Remove if (0) code.
7175
7176 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
7177
7178         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
7179
7180 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
7181
7182         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
7183         of V4SFmode to ix86_binary_operator_ok.
7184
7185 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
7186
7187         * config/i386/i386.c (override_options): Initialize
7188         ix86_veclib_handler to ix86_veclibabi_svml when
7189         -mveclibabi=svml is used.
7190         (ix86_veclibabi_svml): New function for SVML ABI style
7191         vectorization support.
7192         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
7193
7194 2008-03-28  Rafael Espindola  <espindola@google.com>
7195
7196         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
7197         (tree_binary_nonnegative_warnv_p): Make it public.
7198         (tree_single_nonnegative_warnv_p): Make it public.
7199         (tree_invalid_nonnegative_warnv_p): Make it public.
7200         (tree_unary_nonzero_warnv_p): Make it public.
7201         (tree_binary_nonzero_warnv_p): Make it public
7202         (tree_single_nonzero_warnv_p): Make it public.
7203         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
7204         (extract_range_from_binary_expr): Split the expr argument.
7205         (extract_range_from_unary_expr): Split the expr argument.
7206         (extract_range_from_comparison): Split the expr argument.
7207         (extract_range_from_expr): Use the new aux functions.
7208         (vrp_evaluate_conditional_warnv): Use
7209         vrp_evaluate_conditional_warnv_with_ops.
7210         * tree.h (tree_unary_nonzero_warnv_p): Declare.
7211         (tree_binary_nonzero_warnv_p): Declare.
7212         (tree_single_nonzero_warnv_p): Declare.
7213         (tree_expr_nonzero_warnv_p): Declare.
7214         (tree_unary_nonnegative_warnv_p): Declare.
7215         (tree_binary_nonnegative_warnv_p): Declare.
7216         (tree_single_nonnegative_warnv_p): Declare.
7217         (tree_invalid_nonnegative_warnv_p): Declare.
7218
7219 2008-03-28  Richard Guenther  <rguenther@suse.de>
7220
7221         PR tree-optimization/30317
7222         PR tree-optimization/30911
7223         PR tree-optimization/34793
7224         * tree-vrp.c (set_and_canonicalize_value_range): New function.
7225         (struct assert_locus_d): New member EXPR.
7226         (register_new_assert_for): Add EXPR parameter to support
7227         ASSERT_EXPR <name, expr OP limit>.
7228         (register_edge_assert_for_1): Adjust callers.
7229         (find_assert_locations): Likewise.
7230         (process_assert_insertions_for): Build condition from expression.
7231         (extract_range_from_assert): Handle ASSERT_EXPRs
7232         of the form ASSERT_EXPR <name, expr OP limit>.
7233         (register_edge_assert_for_2): New helper registering
7234         asserts for comparisons.  Recognize range tests of the form
7235         (unsigned)i - CST1 OP CST2.
7236         (register_edge_assert_for_1): Use it.
7237         (register_edge_assert_for): Likewise.
7238         (needs_overflow_infinity): Integer sub-types
7239         do not need overflow infinities.
7240         (vrp_val_is_max): The extreme values of integer sub-types
7241         are those of the base type.
7242         (vrp_val_is_min): Likewise.
7243         * tree.def (ASSERT_EXPR): Document extra allowed conditional
7244         expressions.
7245
7246 2008-03-28  Nick Clifton  <nickc@redhat.com>
7247
7248         PR target/31110
7249         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
7250         Return GENERAL_REGS for stack adjustment reloads.
7251
7252 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7253
7254         PR target/31334
7255         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
7256         const_vector when all the vectors are constant.
7257
7258 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
7259
7260         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
7261         comparisons.
7262         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
7263         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
7264         (scc_sf): New.
7265         (s<code>_sf): Use new scc_sf attribute for opcode names.
7266
7267 2008-03-27  Tom Tromey  <tromey@redhat.com>
7268
7269         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
7270         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
7271         config/spu/t-spu-elf, config/i386/t-interix,
7272         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
7273         config/i386/x-darwin, config/i386/x-mingw32,
7274         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
7275         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
7276         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
7277         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
7278         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
7279         config/rs6000/x-darwin, config/rs6000/t-rs6000,
7280         config/score/t-score-elf, config/arm/t-strongarm-pe,
7281         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
7282         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
7283         Revert automatic dependency patch.
7284
7285 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
7286
7287         PR target/35657
7288         * config/i386/i386.c (ix86_function_arg_boundary): Align
7289         decimal floating point to its natural boundary.
7290
7291 2008-03-27  Richard Guenther  <rguenther@suse.de>
7292
7293         PR middle-end/35716
7294         * fold-const.c (fold_comparison): Restrict distinct decl
7295         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
7296         solely rely on operand_equal_p.
7297
7298 2008-03-27  Richard Guenther  <rguenther@suse.de>
7299
7300         PR c/32511
7301         * c-common.c (handle_weak_attribute): Reject combination of
7302         weak and inline.
7303
7304 2008-03-27  Richard Guenther  <rguenther@suse.de>
7305
7306         PR tree-optimization/32810
7307         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
7308         conversions from DECL_INITIAL.
7309         (fold_const_aggregate_ref): Likewise from constructor elements.
7310
7311 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
7312
7313         * tree-affine.h (aff_combination_expand): Declare.
7314         (get_inner_reference_aff): Likewise.
7315         * tree-affine.c (aff_combination_expand): Split out from
7316         tree_to_aff_combination_expand.
7317         (get_inner_reference_aff): New function.
7318         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
7319         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
7320         (struct lim_aux_data): sm_done field removed.
7321         (mem_ref_loc_p, mem_ref_locs_p): New types.
7322         (struct mem_ref): Added id, stored, accesses_in_loop,
7323         indep_loop, dep_loop, indep_ref, dep_ref fields.
7324         Removed is_stored, locs and next fields.
7325         (memory_accesses): New variable.
7326         (movement_possibility): Do not allow moving statements
7327         that store to memory.
7328         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
7329         New functions.
7330         (determine_max_movement): For statements with memory references,
7331         find the outermost loop in that the reference is independent.
7332         (move_computations_stmt): Mark the virtual operands for renaming.
7333         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
7334         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
7335         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
7336         add_vop_ref_mapping, create_vop_ref_mapping_loop,
7337         create_vop_ref_mapping, analyze_memory_references,
7338         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
7339         get_all_locs_in_loop, ref_always_accessed_p,
7340         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
7341         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
7342         store_motion_loop, store_motion): New functions.
7343         (struct vop_to_refs_elt): New type.
7344         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
7345         memref_hash, memref_eq, hoist_memory_references): Rewritten.
7346         (schedule_sm): Replaced by...
7347         (execute_sm): ... this.
7348         (determine_lsm_ref, hoist_memory_references,
7349         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
7350         find_more_ref_vops, free_mem_ref, free_mem_refs,
7351         determine_lsm_loop, determine_lsm): Removed.
7352         (tree_ssa_lim_finalize): Free data structures used by store motion.
7353         (tree_ssa_lim): Call analyze_memory_references.  Use
7354         store_motion instead of determine_lsm.
7355
7356 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
7357
7358         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
7359         rename tmake_file to m68hc11/t-m68hc11.
7360         (mcore): Set inhibit_libc to true.
7361         * config.host (alpha*-dec-*vms*): Set extra_programs.
7362         (interix3*): Don't use host_xmake_file.
7363         * configure.ac: Let config.gcc override inhibit_libc.
7364         * configure: Regenerate.
7365
7366         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
7367         * config/t-openbsd-thread: Remove commented out lines.
7368         
7369         * config/x-interix: Remove.
7370
7371         * config/m68hc11/t-m68hc11-gas: Rename to...
7372         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
7373
7374         * config/mcore/t-mcore: Remove T_CFLAGS.
7375         * config/mcore/t-mcore-pe: Likewise.
7376
7377 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
7378
7379         * configure.ac: Replace custom __GNU_SOURCE test with
7380         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
7381         * aclocal.m4: Regenerate.
7382         * configure: Regenerate.
7383         * config.in: Regenerate.
7384
7385 2008-03-27  Richard Guenther  <rguenther@suse.de>
7386
7387         * fold-const.c (target.h): Include.
7388         (fold_comparison): Fold comparison of addresses of decls
7389         that bind locally or of constants.  Consolidate address folding code.
7390         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
7391         results from fold_binary_to_constant.
7392         (compare_values_warnv): Likewise.
7393
7394 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
7395
7396         PR middle-end/35429
7397         * fold-const.c (fold_truthop): Check for integeral types when folding
7398         a == 0 && b == 0 and a != 0 || b != 0 .
7399
7400 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
7401
7402         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
7403
7404 2008-03-26  Andreas Schwab  <schwab@suse.de>
7405
7406         * doc/invoke.texi: Fix use of @item vs. @itemx.
7407
7408 2008-03-26  Tom Tromey  <tromey@redhat.com>
7409
7410         * Makefile.in (build/gensupport.o, build/print-rtl.o,
7411         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
7412         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
7413         build/gencodes.o, build/genconditions.o, build/genconfig.o,
7414         build/genconstants.o, build/genemit.o, build/genextract.o,
7415         build/genflags.o, build/genmddeps.o, build/genopinit.o,
7416         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
7417         options.h.
7418
7419 2008-03-26  Richard Guenther  <rguenther@suse.de>
7420
7421         Revert
7422         2008-03-26  Richard Guenther  <rguenther@suse.de>
7423
7424         * fold-const.c (target.h): Include.
7425         (fold_comparison): Fold comparison of addresses of two decls
7426         that bind locally.  Consolidate address folding code.
7427
7428 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7429
7430         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
7431         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
7432         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
7433         dconstsqrt2, dconstthird, dconste and/or dconst10.
7434         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
7435         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
7436         dconstsqrt2, dconste): Delete.
7437         (init_emit_once): Likewise.  Simplify initializing dconstm1.
7438         Constify variable.
7439         * real.c (get_real_const): New.
7440         * real.h (dconst3, dconst10, dconstm2, dconstthird,
7441         dconstsqrt2, dconste): Delete.
7442         (real_value_const, get_real_const): New.
7443
7444 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
7445
7446         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
7447
7448         * config/i386/i386.c (ix86_function_arg_boundary): Check
7449         BIGGEST_ALIGNMENT instead of 128.
7450         (setup_incoming_varargs_64): Likewise.
7451
7452 2008-03-26  Tom Tromey  <tromey@redhat.com>
7453
7454         * Makefile.in (DEPFILES): Add missing '/'.
7455
7456 2008-03-26  Richard Guenther  <rguenther@suse.de>
7457
7458         * fold-const.c (target.h): Include.
7459         (fold_comparison): Fold comparison of addresses of two decls
7460         that bind locally.  Consolidate address folding code.
7461
7462 2008-03-26  Nick Clifton  <nickc@redhat.com>
7463
7464         PR target/31232
7465         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
7466         not allow INT+INT as a legitimate addressing mode.
7467
7468 2008-03-26  Richard Guenther  <rguenther@suse.de>
7469
7470         * tree-flow.h (widen_bitfield): Remove declaration.
7471         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
7472         (widen_bitfield): Remove function.
7473         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
7474         code.
7475
7476 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7477
7478         PR target/31558
7479         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
7480         error_mark_node's.
7481
7482 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
7483
7484         PR rtl-optimization/35232
7485         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
7486         (forget_old_reloads_1, forget_marked_reloads): Don't clear
7487         reg_reloaded_call_part_clobbered here.
7488         (reload_regs_reach_end_p): New function.
7489         (reload_reg_rtx_for_input): New variable.
7490         (reload_reg_rtx_for_output): Likewise.
7491         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
7492         when reassigning a pseudo register.  Load reloadreg from 
7493         reload_reg_rtx_for_input, moving the mode and register
7494         calculation to...
7495         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
7496         instead of the original when deciding whether an input reload
7497         would be a no-op or whether an output reload can be deleted.
7498         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
7499         when setting up new_spill_reg_store.  Load it from
7500         reload_reg_rtx_for_output, moving the mode and register
7501         calculation to...
7502         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
7503         instead of the original when deciding whether an output reload
7504         would be a no-op.  Do the same when modifying insn notes.
7505         Use rtx_equal_p instead of == to compare the registers.
7506         (inherit_piecemeal_p): Take a mode and two register numbers
7507         as argument.
7508         (emit_reload_insns): Clear new_spill_reg_store for every hard
7509         register in the reload register.  Remove spill registers
7510         from reg_reloaded_valid before considering whether to record
7511         inheritance information for them.  Use reload_reg_rtx_for_output
7512         instead of reg_rtx when recording output reloads.  Use
7513         reload_reg_rtx_for_input instead of reg_rtx when recording
7514         input reloads.  Set or clear reg_reloaded_call_part_clobbered
7515         at the same time as setting reg_reloaded_valid.
7516         (delete_output_reload): Add a new_reload_reg parameter and use it
7517         instead of rld[j].reg_rtx.
7518         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
7519         calls accordingly.
7520
7521 2008-03-25  Tom Tromey  <tromey@redhat.com>
7522
7523         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
7524         (build/genattr.o): Likewise.
7525         (build/genattrtab.o): Likewise.
7526         (build/gencodes.o): Likewise.
7527         (build/genconfig.o): Likewise.
7528         (build/genconstants.o): Likewise.
7529         (build/genemit.o): Likewise.
7530         (build/genextract.o): Likewise.
7531         (build/genflags.o): Likewise.
7532
7533 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
7534         
7535         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
7536         instead of size_int for integer types.
7537         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
7538         to match type of MINUS_EXPR.
7539         
7540 2008-03-25  Tom Tromey  <tromey@redhat.com>
7541
7542         * configure: Rebuilt.
7543         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
7544         Makefile.
7545
7546 2008-03-25  Tom Tromey  <tromey@redhat.com>
7547
7548         * config/x-solaris (host-solaris.o): Update.
7549         * config/x-linux (host-linux.o): Update.
7550         * config/x-hpux (host-hpux.o): Update.
7551         * config/x-darwin (host-darwin.o): Update.
7552         * config/v850/t-v850e (v850-c.o): Update.
7553         * config/v850/t-v850 (v850-c.o): Update.
7554         * config/t-vxworks (vxworks.o): Update.
7555         * config/t-sol2 (sol2-c.o, sol2.o): Update.
7556         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
7557         * config/spu/t-spu-elf (spu-c.o): Update.
7558         (spu.o): Remove.
7559         * config/sh/t-symbian (sh-c.o): Update.
7560         (symbian.o): Update.
7561         * config/sh/t-sh (sh-c.o): Update.
7562         * config/score/t-score-elf (score7.o, score3.o): Update.
7563         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
7564         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
7565         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
7566         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
7567         (rs6000.o): Remove.
7568         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
7569         * config/m32c/t-m32c (m32c-pragma.o): Update.
7570         * config/ia64/t-ia64 (ia64-c.o): Update.
7571         * config/i386/x-mingw32 (host-mingw32.o): Update.
7572         * config/i386/x-i386 (driver-i386.o): Update.
7573         * config/i386/x-darwin (host-i386-darwin.o): Update.
7574         * config/i386/x-cygwin (host-cygwin.o): Update.
7575         * config/i386/t-nwld (nwld.o): Update.
7576         * config/i386/t-netware (netware.o): Update.
7577         * config/i386/t-interix (winnt.o): Update.
7578         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
7579         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
7580         msformat-c.o): Update.
7581         * config/bfin/t-bfin-linux (generated_files): Add
7582         linux-sysroot-suffix.h.
7583         * config/arm/t-wince-pe (pe.o): Update.
7584         * config/arm/t-strongarm-pe (pe.o): Update.
7585         * config/arm/t-pe (pe.o): Update.
7586         * config/arm/t-arm (arm-c.o): Update.
7587         * doc/install.texi (Prerequisites): Require make 3.80.
7588         * Makefile.in: Remove .o targets.
7589         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
7590         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
7591         (simple_generated_h, simple_generated_c): Move earlier.
7592         (generated_files): New variable.
7593         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
7594         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
7595         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
7596         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
7597         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
7598         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
7599         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
7600         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
7601         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
7602         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
7603         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
7604         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
7605         (.c.o): Remove.
7606         (COMPILE.base, COMPILE): New variables.
7607         (%.o): New pattern rule.
7608         (ALL_HOST_OBJS): New variable.
7609         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
7610         (dummy-checksum.o, cc1-checksum.o): Remove.
7611         (DRIVER_SHLIB): New variable.
7612         (DRIVER_DEFINES): Use it.
7613         (gencondmd.c): Move out of build/.
7614         (s-conditions): Update.
7615         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
7616         (ALL_BUILD_OBJS): Likewise.
7617         (build/%.o): Use BUILDCOMPILE.
7618         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
7619         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
7620         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
7621         build/gencheck.o, build/gencodes.o, build/genconditions.o,
7622         build/genconfig.o, build/genconstants.o, build/genemit.o,
7623         build/genextract.o, build/genflags.o, build/genmddeps.o,
7624         build/genopinit.o, build/genoutput.o, build/genpeep.o,
7625         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
7626         build/gen-protos.o, build/scan.o, build/fix-header.o,
7627         build/scan-decls.o): Simplify.
7628         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
7629         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
7630         prefix.o, toplev.o): Reduce to variable setting.
7631         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
7632         ($(out_object_file), gcc-options.o): New targets.
7633         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
7634         * configure: Rebuilt.
7635         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
7636         * doc/sourcebuild.texi (Front End Directory): Document new variable.
7637
7638 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
7639
7640         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
7641         complain when we hit an error, return ERROR_MARK_NODE.
7642
7643 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
7644
7645         * config/sh/constraints.md (Pso, Psz): New constraints.
7646         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
7647         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
7648
7649 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
7650
7651         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
7652         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
7653
7654 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
7655
7656         * config/sh/sh.md (prefetch): Add condition for SH2A target.
7657         (prefetch_sh2a): New.   
7658
7659 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
7660             Naveen.H.S  <naveen.hs@kpitcummins.com>
7661
7662         * config/sh/constraints.md (I28): New constraint.
7663         * config/sh/sh.c (broken_move): Add support for movi20s.
7664         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
7665
7666 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
7667             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
7668             Naveen.H.S  <naveen.hs@kpitcummins.com>
7669
7670         * config/sh/sh.c (SH_ATTRIBUTES): Define.
7671         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
7672         (print_operand): Handle resbank in %@ operand code.
7673         (sh_encode_section_info): New.
7674         (push_regs): Add conditions for resbank.
7675         (sh_expand_epilogue): Likewise.
7676         (sh_insert_attributes): Likewise.
7677         (sh_attribute_table): Likewise.
7678         (sh_handle_resbank_handler_attribute): New.
7679         (sh2a_handle_function_vector_handler_attribute): New.
7680         (sh2a_is_function_vector_call): New.
7681         (sh2a_get_function_vector_number): New.
7682         (sh2a_function_vector_p): New.
7683         (sh_cfun_resbank_handler_p): New.
7684         * config/sh/sh.md (calli): Emit jsr/n if possible.
7685         (calli_tbr_rel): New.
7686         (calli_pcrel): Emit jsr/n if possible.
7687         (return_i): Emit rts/n if possible.
7688         (call_valuei_tbr_rel): New.
7689         (call_valuei_pcrel): Add condition for SH2A target.
7690         (call_value): Likewise.
7691         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
7692         (sh2a_get_function_vector_number): Likewise.
7693         (sh2a_is_function_vector_call): Likewise.
7694         * doc/extend.texi: Document TBR relative addressing of SH2A.
7695         (resbank): Add description for SH2A.
7696
7697 2008-03-24  Richard Guenther  <rguenther@suse.de>
7698
7699         PR c/22371
7700         * gimplify.c (gimplify_modify_expr): For frontend type-correct
7701         pointer assignments change conversions according to middle-end rules.
7702         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
7703         * configure.ac: Include type checking in yes.
7704         * configure: Regenerate.
7705
7706 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7707
7708         * diagnostic.c (diagnostic_count_diagnostic): Delete.
7709         (diagnostic_report_diagnostic): Update. Handle ICEs here.
7710         
7711 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
7712
7713         * gthr-vxworks.h (UNUSED): Define.
7714
7715 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
7716
7717         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
7718
7719 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
7720
7721         * doc/extend.texi (Function Attributes): Add missing comma in the
7722         example of the "alloc_size" attribute.
7723         
7724 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
7725
7726         Revert:
7727         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
7728
7729         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
7730         32bit host.
7731
7732         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
7733
7734         PR target/35496
7735         * stor-layout.c (update_alignment_for_field): Set minimum alignment
7736         of the underlying type of a MS bitfield layout to the natural
7737         alignment of the type.
7738
7739         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
7740
7741         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
7742         to their natural alignment to avoid store forwarding stalls.
7743
7744 2008-03-22  Richard Guenther  <rguenther@suse.de>
7745
7746         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
7747         For PHI nodes verify the address is invariant.
7748         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
7749         (get_symbol_constant_value): Use is_gimple_min_invariant.
7750         (maybe_fold_stmt_indirect): Likewise.
7751
7752 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
7753
7754         PR rtl-optimization/33927
7755         * Makefile.in (dse.o): Depend on $(TM_P_H).
7756         * expr.h (extract_low_bits): Declare.
7757         * expmed.c (extract_low_bits): New function.
7758         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
7759         * dse.c: Include tm_p.h.
7760         (find_shift_sequence): Remove the read_reg argument and return the
7761         read value.  Emit the instructions instead of returning them.
7762         Iterate on new_mode rather than calculating it each time.
7763         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
7764         source to NEW_MODE and extract_low_bits to convert the shifted
7765         value to READ_MODE.
7766         (replace_read): Allow the load and store to have different mode
7767         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
7768         or extraction instructions before trying the replacement.  Update
7769         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
7770
7771 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
7772
7773         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
7774         to their natural alignment to avoid store forwarding stalls.
7775
7776 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7777
7778         PR target/27946
7779         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
7780         encouraging but not allowing gprs for input;
7781         change the input constraint to !f#r.
7782         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
7783         gprs for output;
7784         change the output constraint to !f#r.
7785
7786 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
7787
7788         PR target/13958
7789         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
7790         corresponding post-reload splitters.
7791         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
7792         when x87 FP math is selected.
7793         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
7794         New function prototype.
7795         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
7796         unreachable function to ease macroization of insn patterns.
7797
7798 2008-03-21  Martin Jambor  <mjambor@suse.cz>
7799
7800         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
7801         reference dumps if ddr is NULL or dependence is unknown.
7802
7803 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
7804
7805         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
7806         unsigned extension into account.
7807         (ATOMIC_COMPARE_AND_SWAP): Likewise.
7808         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
7809         Do computations on a scratch register.
7810
7811 2008-03-21  Richard Guenther  <rguenther@suse.de>
7812
7813         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
7814         Use is_gimple_min_invariant instead of TREE_INVARIANT.
7815         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
7816         * tree-ssa-dom.c (record_equality): Likewise.
7817         * tree-inline.c (copy_body_r): Likewise.
7818         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
7819         TREE_INVARIANT.
7820
7821 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
7822
7823         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
7824         as 'delete_unused' argument.
7825
7826 2008-03-20  Richard Guenther  <rguenther@suse.de>
7827
7828         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
7829         special casing of constant qualifiers.
7830         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
7831         care about them in general.
7832         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
7833         regardless of their type.
7834         (fold_stmt_r): Forcefully fold *& if we end up with that.
7835
7836 2008-03-20  Paul Brook  <paul@codesourcery.com>
7837
7838         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
7839         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
7840         linker flags.
7841         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
7842         definition.
7843         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
7844         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
7845
7846 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
7847
7848         * common.opt (Wmudflap): New option.
7849         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
7850         (mx_register_decls): Likewise.
7851         (mudflap_finish_file): Likewise.
7852         * doc/invoke.texi: Document -Wno-mudflap.
7853
7854 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
7855
7856         * c-format.c (replace_format_name_to_system_name): New.
7857         (cmp_attribs): New.
7858         (convert_format_name_to_system_name): New.
7859         (decode_format_attr): Add use of convert_format_name_to_system_name.
7860         (format_types_orig): Add gnu_ prefix to names.
7861         (check_format_info_main): Special treating of \0 escaped names for
7862         supporting multi-character format specifiers as I32, I64.
7863         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
7864         (gnu_target_overrides_format_attributes): New.
7865         * c-format.h: Add structure target_ovr_attr to hold
7866         system specific formatter names.
7867         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
7868         msformat-c.o file to c_target_objs and cxx_target_objs.
7869         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
7870         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
7871         (TARGET_N_FORMAT_TYPES): New.
7872         * config/i386/msformat-c.c: New.
7873         * config/i386/t-cygming: Add build rule for msformat-c.o.
7874         * doc/extend.texi: Add new format names gnu_* and ms_* and
7875         further details.
7876         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
7877
7878 2008-03-20  Ira Rosen  <irar@il.ibm.com>
7879
7880         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
7881         optimizations turned on under -O3.
7882         (ftree-vectorize): Add that the flag is turned on with -O3.
7883
7884 2008-03-20  Ben Elliston  <bje@au.ibm.com>
7885
7886         * regmove.c (try_auto_increment): Fix spelling error in comment.
7887         * final.c (final_scan_insn): Likewise.
7888
7889 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
7890
7891         PR target/14552
7892         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
7893         allocator preferences for "y" and "r" class registers.
7894         ("*mov<mode>_internal"): Ditto.
7895         ("*movv2sf_internal_rex64"): Ditto.
7896         ("*movv2sf_internal"): Ditto.
7897
7898 2008-03-19  Michael Matz  <matz@suse.de>
7899
7900         PR middle-end/35616
7901         * calls.c (expand_call): Check overlap of arguments with call
7902         address for sibcalls.
7903
7904 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
7905
7906         PR target/35496
7907         * stor-layout.c (update_alignment_for_field): Set minimum alignment
7908         of the underlying type of a MS bitfield layout to the natural
7909         alignment of the type.
7910
7911 2008-03-19  Jan Hubicka  <jh@suse.cz>
7912
7913         PR other/35094
7914         * toplev.c (decode_d_option): Handle all CPP flags.
7915         * tree-vrp.c: Update tree_pass descriptors.
7916         * regrename.c: Update tree_pass descriptors.
7917         * fwprop.c: Update tree_pass descriptors.
7918         * doc/invoke.texi: Remove documentation of dropped -d? flags.
7919         * tree-into-ssa.c: Update tree_pass descriptors.
7920         * tree-dump.c: Update tree_pass descriptors.
7921         * tree-complex.c: Update tree_pass descriptors.
7922         * tree-dump.h: Update tree_pass descriptors.
7923         * see.c: Update tree_pass descriptors.
7924         * cgraphbuild.c: Update tree_pass descriptors.
7925         * tracer.c: Update tree_pass descriptors.
7926         * tree-loop-distribution.c: Update tree_pass descriptors.
7927         * cgraph.c: Update tree_pass descriptors.
7928         * postreload-gcse.c: Update tree_pass descriptors.
7929         * postreload.c: Update tree_pass descriptors.
7930         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
7931         * tree-tailcall.c: Update tree_pass descriptors.
7932         * tree-pass.h (tree_opt_pass): Rename to ...
7933         (opt_pass) ... this one; add "type" field and remove letter field.
7934         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
7935         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
7936         all_lowering_passes): Update declaration.
7937         * ipa-cp.c: Update tree_pass descriptors.
7938         * final.c: Update tree_pass descriptors.
7939         * omp-low.c: Update tree_pass descriptors.
7940         * tree-ssa-dse.c: Update tree_pass descriptors.
7941         * ipa-reference.c: Update tree_pass descriptors.
7942         * tree-ssa-uncprop.c: Update tree_pass descriptors.
7943         * auto-inc-dec.c: Update tree_pass descriptors.
7944         * reorg.c: Update tree_pass descriptors.
7945         * cgraphunit.c: Update tree_pass descriptors.
7946         * tree-ssa-copyrename.c: Update tree_pass descriptors.
7947         * tree-ssa-ccp.c: Update tree_pass descriptors.
7948         * df-core.c: Update tree_pass descriptors.
7949         * mode-switching.c: Update tree_pass descriptors.
7950         * tree-nomudflap.c: Update tree_pass descriptors.
7951         * modulo-sched.c: Update tree_pass descriptors.
7952         * ipa-pure-const.c: Update tree_pass descriptors.
7953         * cse.c: Update tree_pass descriptors.
7954         * web.c: Update tree_pass descriptors.
7955         * tree-stdarg.c: Update tree_pass descriptors.
7956         * tree-ssa-math-opts.c: Update tree_pass descriptors.
7957         * tree-ssa-dom.c: Update tree_pass descriptors.
7958         * tree-nrv.c: Update tree_pass descriptors.
7959         * tree-ssa-alias.c: Update tree_pass descriptors.
7960         * loop-init.c: Update tree_pass descriptors.
7961         * gimple-low.c: Update tree_pass descriptors.
7962         * ipa-inline.c: Update tree_pass descriptors.
7963         * tree-ssa-sink.c: Update tree_pass descriptors.
7964         * global.c: Update tree_pass descriptors.
7965         * ifcvt.c: Update tree_pass descriptors.
7966         * jump.c: Update tree_pass descriptors.
7967         * predict.c: Update tree_pass descriptors.
7968         * tree-ssa-loop.c: Update tree_pass descriptors.
7969         * recog.c: Update tree_pass descriptors.
7970         * dse.c: Update tree_pass descriptors.
7971         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
7972         * tree-eh.c: Update tree_pass descriptors.
7973         * regmove.c: Update tree_pass descriptors.
7974         * local-alloc.c
7975         * function.c: Update tree_pass descriptors.
7976         * tree-vectorizer.c: Update tree_pass descriptors.
7977         * gcse.c: Update tree_pass descriptors.
7978         * ipa-type-escape.c: Update tree_pass descriptors.
7979         * tree-if-conv.c: Update tree_pass descriptors.
7980         * init-regs.c: Update tree_pass descriptors.
7981         * ipa.c: Update tree_pass descriptors.
7982         * tree-ssa-phiopt.c: Update tree_pass descriptors.
7983         * rtl-factoring.c: Update tree_pass descriptors.
7984         * lower-subreg.c: Update tree_pass descriptors.
7985         * bt-load.c: Update tree_pass descriptors.
7986         * tree-dfa.c: Update tree_pass descriptors.
7987         * except.c: Update tree_pass descriptors.
7988         * emit-rtl.c: Update tree_pass descriptors.
7989         * cfgexpand.c: Update tree_pass descriptors.
7990         * tree-cfgcleanup.c: Update tree_pass descriptors.
7991         * cfgcleanup.c: Update tree_pass descriptors.
7992         * tree-ssa-pre.c: Update tree_pass descriptors.
7993         * tree-sra.c: Update tree_pass descriptors.
7994         * tree-mudflap.c: Update tree_pass descriptors.
7995         * tree-ssa-copy.c: Update tree_pass descriptors.
7996         * cfglayout.c: Update tree_pass descriptors.
7997         * tree-ssa-forwprop.c: Update tree_pass descriptors.
7998         * tree-ssa-dce.c: Update tree_pass descriptors.
7999         * tree-ssa.c: Update tree_pass descriptors.
8000         * regclass.c: Update tree_pass descriptors.
8001         * integrate.c: Update tree_pass descriptors.
8002         * tree-optimize.c: Update tree_pass descriptors.
8003         * tree-ssa-phiprop.c: Update tree_pass descriptors.
8004         * tree-object-size.c: Update tree_pass descriptors.
8005         * combine.c: Update tree_pass descriptors.
8006         * tree-outof-ssa.c: Update tree_pass descriptors.
8007         * bb-reorder.c: Update tree_pass descriptors.
8008         * stack-ptr-mod.c: Update tree_pass descriptors.
8009         * var-tracking.c: Update tree_pass descriptors.
8010         * tree-profile.c: Update tree_pass descriptors.
8011         * tree-vect-generic.c: Update tree_pass descriptors.
8012         * reg-stack.c: Update tree_pass descriptors.
8013         * sched-rgn.c: Update tree_pass descriptors.
8014         * tree-ssa-structalias.c: Update tree_pass descriptors.
8015         * tree-cfg.c: Update tree_pass descriptors.
8016         * passes.c (current_pass): Update declaration.
8017         (finish_optimization_passes): Update.
8018         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
8019         (register_one_dump_file, register_dump_files_1, next_pass_1):
8020         Update arguments.
8021         (init_optimization_passes): Update handling of new types.
8022         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
8023         * ipa-struct-reorg.c: Update tree_pass descriptors.
8024         * tree-ssa-reassoc.c: Update tree_pass descriptors.
8025         * combine-stack-adj.c: Update tree_pass descriptors.
8026         * cfgrtl.c: Update tree_pass descriptors.
8027         * dce.c: Update tree_pass descriptors.
8028         * tree-ssanames.c: Update tree_pass descriptors.
8029
8030 2008-03-19  Richard Guenther  <rguenther@suse.de>
8031
8032         PR middle-end/35609
8033         * tree-ssa.c (walk_data): New structure.
8034         (warn_uninitialized_var): If not always_executed warn with "maybe"
8035         instead of "is".
8036         (execute_early_warn_uninitialized): Compute post-dominators.
8037         Initialize always_executed before processing each basic block.
8038
8039 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
8040
8041         PR target/35504
8042         * config/i386/i386.c (x86_this_parameter): Calculate correct location
8043         of "this" pointer when "regparm = N" or "fastcall" is in effect.
8044
8045 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8046
8047         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
8048
8049 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
8050
8051         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
8052         is true.
8053         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
8054         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
8055         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
8056         target after ignore has been set, and move there also the commputation
8057         of subtarget and original_target.
8058         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
8059         (LANG_HOOKS_INITIALIZER): Remove it.
8060         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
8061
8062 2008-03-18  Richard Guenther  <rguenther@suse.de>
8063
8064         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
8065         found an expression with constants, note that in the VN for the lhs.
8066         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
8067         fold them to constants if possible.  Run cleanup_cfg if done so.
8068         (execute_pre): Return todo.
8069         (do_pre): Likewise.
8070         (execute_fre): Likewise.
8071         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
8072         of constants.
8073         (get_prop_source_stmt): Look through pointer conversions.
8074
8075 2008-03-18  Jan Hubicka  <jh@suse.cz>
8076
8077         * tree-pretty-print.c: Include predict.h.
8078         (dump_generic_node): Dump predictor.
8079         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
8080         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
8081         * gimple-low.c (lower_stmt): Likewise.
8082         * expr.c (expand_expr_real): Likewise.
8083         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
8084         them.
8085         (build_predict_expr, build_predict_expr): New.
8086         * predict.h (predictor_name, build_predict_expr): Update.
8087         * c-typeck.c (c_finish_bc_stmt): Add prediction.
8088         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
8089         * predict.def (PRED_CONTINUE): Update hitrate.
8090         * tree.def (PREDICT_EXPR): Define.
8091         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
8092         do not handle BIND_EXPR.
8093         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
8094         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
8095         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
8096         operands.
8097
8098 2008-03-18  Michael Matz  <matz@suse.de>
8099
8100         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
8101
8102 2008-03-18  Richard Guenther  <rguenther@suse.de>
8103
8104         * tree-gimple.h (is_gimple_invariant_address): Declare.
8105         (is_gimple_constant): Likewise.
8106         * tree-gimple.c (is_gimple_constant): New function.
8107         (is_gimple_invariant_address): Likewise.
8108         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
8109         and is_gimple_invariant_address.
8110         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
8111         previous change.
8112         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
8113         an addressable base.
8114
8115 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
8116
8117         PR middle-end/35611
8118         * gimplify.c (gimplify_expr): Gimplify second operand of
8119         OMP_ATOMIC_LOAD.
8120
8121 2008-03-17  Richard Guenther  <rguenther@suse.de>
8122
8123         PR tree-optimization/19637
8124         * fold-const.c (fold_unary): Remove restrictions of removing
8125         intermediate pointer-conversions (P2)(P1)P0.
8126         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
8127         conversion to void pointer.
8128         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
8129
8130 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
8131
8132         PR debug/31510
8133         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
8134         emulated thread local variables.
8135
8136 2008-03-16  Richard Guenther  <rguenther@suse.de>
8137
8138         PR middle-end/35607
8139         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
8140         expand TREE_INVARIANT operations that are not gimple invariant.
8141
8142 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
8143
8144         * doc/extend.texi (Alignment): Say that the ABI controls
8145         the __alignof__ for non-strict-alignment targets rather
8146         than being a recommendation.
8147
8148 2008-03-15  Paul Brook  <paul@codesourcery.com>
8149
8150         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
8151         annotations.
8152         (arm_output_fn_unwind): Mark functions that can not be unwound.
8153
8154 2008-03-15  Paul Brook  <paul@codesourcery.com>
8155
8156         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
8157         extension instructions.
8158
8159 2008-03-15  Richard Guenther  <rguenther@suse.de>
8160
8161         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
8162         and fold constant aggregate refs.
8163         (fold_const_aggregate_ref): Handle string constants
8164         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
8165         (evaluate_stmt): Simplify now that ccp_fold folds constant
8166         aggregate refs.
8167
8168 2008-03-15  Paul Brook  <paul@codesourcery.com>
8169
8170         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
8171         (extzv): Use gen_extzv_t2.
8172         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
8173
8174 2008-03-15  Richard Guenther  <rguenther@suse.de>
8175
8176         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
8177         (fold_const_aggregate_ref): Likewise.
8178         (get_value): Return NULL if we don't have any values.
8179         (ccp_finalize): Set const_val to NULL after freeing it.
8180         * tree-flow.h (get_symbol_constant_value): Declare.
8181         (fold_const_aggregate_ref): Likewise.
8182         * tree-ssa-sccvn.c (try_to_simplify): Use them.
8183
8184 2008-03-15  Richard Guenther  <rguenther@suse.de>
8185
8186         PR middle-end/35593
8187         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
8188         to not produce negative array indices if not allowed.  Add
8189         parameter to indicate that.
8190         (maybe_fold_offset_to_component_ref): Allow negative array
8191         indices only for the first member of a structure.
8192         (maybe_fold_offset_to_reference): Allow negative array indices.
8193         (maybe_fold_stmt_addition): Likewise.
8194
8195 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
8196             Anatoly Sokolov <aesok@post.ru>
8197
8198         * config/avr/avr.c (avr_arch_types): Add avr6 entry.
8199         (avr_arch): Add ARCH_AVR6.
8200         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
8201         (initial_elimination_offset): Initialize and use 'avr_pc_size' 
8202         instead of fixed value 2.
8203         (print_operand_address): Use gs() asm specifier instead of pm().
8204         (avr_assemble_integer): (Ditto.).
8205         (avr_output_addr_vec_elt): (Ditto.).
8206         (print_operand): Handle "!" code.
8207         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add 
8208         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
8209         (AVR_HAVE_EIJMP_EICALL): Define.
8210         (AVR_3_BYTE_PC): Redefine.
8211         (AVR_2_BYTE_PC): (Ditto.).
8212         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
8213         (LINK_SPEC): Add atmega2560 and atmega2561.
8214         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561 
8215         (crtm2561.o).
8216         * config/avr/avr.md (call_insn): Use eicall instead of icall 
8217         for 3 byte PC devices.
8218         (call_value_insn): (Ditto.).
8219         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
8220         (indirect_jump): Use only for for 2 byte PC devices.
8221         (*tablejump): (Ditto.).
8222         (*indirect_jump_avr6): Add insn.
8223         (*tablejump_rjmp): Don't use for 3 byte PC devices.
8224         * config/avr/libgcc.S (__prologue_saves__): Use eijmp 
8225         instead of ijmp for 3 byte PC devices.
8226         (__tablejump2__): (Ditto.).
8227         * config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
8228         (MULITLIB_DIRNAMES): (Ditto.). 
8229         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
8230
8231 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
8232
8233         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
8234         "sse2_umulsidi3".  Use V1DI mode for operand 0.
8235         ("mmx_psadbw"): Use V1DI mode for operand 0.
8236         * config/i386/i386-modes.def (V1SI): New vector mode.
8237         * config/i386/i386.c (struct builtin_description)
8238         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
8239         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
8240         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
8241         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
8242         v1di_ftype_v8qi_v8qi type.
8243         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
8244
8245         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
8246         __builtin_ia32_pmuludq]: Fix the mode of return value.
8247
8248 2008-03-15  Richard Guenther  <rguenther@suse.de>
8249
8250         PR middle-end/35595
8251         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
8252         being a PHI_NODE.
8253
8254 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
8255         
8256         * doc/invoke.texi (Option Summary, Xtensa Options): Document
8257         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
8258         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
8259         unless TARGET_SERIALIZE_VOLATILE is enabled.
8260         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
8261         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
8262         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
8263
8264 2008-03-14  Richard Guenther  <rguenther@suse.de>
8265
8266         PR tree-optimization/34172
8267         * tree-flow.h (refs_may_alias_p): Declare.
8268         (get_single_def_stmt): Likewise.
8269         (get_single_def_stmt_from_phi): Likewise.
8270         (get_single_def_stmt_with_phi): Likewise.
8271         * tree-dfa.c (refs_may_alias_p): New function.
8272         (get_single_def_stmt): Likewise.
8273         (get_single_def_stmt_from_phi): Likewise.
8274         (get_single_def_stmt_with_phi): Likewise.
8275         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
8276         (vn_reference_lookup_1): New helper function.
8277         (vn_reference_lookup): Walk the virtual use-def chain to
8278         continue searching for a match if the def does not alias the
8279         reference we are looking for.
8280
8281 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
8282
8283         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
8284         archive and Perzl.  Update The Written Word listing.
8285
8286 2008-03-14  Richard Guenther  <rguenther@suse.de>
8287
8288         PR tree-optimization/34043
8289         PR tree-optimization/33989
8290         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
8291         when doing FRE.
8292         (bitmap_find_leader): Use extra argument to verify dominance
8293         relationship inside a basic-block.
8294         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
8295         (find_leader_in_sets): Adjust.
8296         (create_component_ref_by_pieces): Take extra argument for
8297         dominance check, handle lookup failures.
8298         (find_or_generate_expression): Likewise.
8299         (create_expression_by_pieces): Likewise.
8300         (insert_into_preds_of_block): Adjust.
8301         (create_value_expr_from): If asked for, verify all operands
8302         are in the blocks AVAIL_OUT set.
8303         (make_values_for_stmt): Check for SSA_NAMEs that are life
8304         over an abnormal edge.
8305         (compute_avail): Remove such check.
8306         (do_SCCVN_insertion): New function.
8307         (eliminate): If we do not find a leader suitable for replacement
8308         insert a replacement expression from SCCVN if available.
8309         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
8310         (struct vn_ssa_aux): Add needs_insertion flag.
8311         * tree-ssa-sccvn.c (may_insert): New global flag.
8312         (copy_reference_ops_from_ref): Value-number union member access
8313         based on its size, not type and member if insertion is allowed.
8314         (visit_reference_op_load): For a weak match from union type
8315         punning lookup a view-converted value and insert a SSA_NAME
8316         for that value if that is not found.
8317         (visit_use): Make dumps shorter.  Do not disallow value numbering
8318         SSA_NAMEs that are life over an abnormal edge to constants.
8319         (free_scc_vn): Release inserted SSA_NAMEs.
8320         (run_scc_vn): New flag to specify whether insertion is allowed.
8321         Process SSA_NAMEs in forward order.
8322         * tree-ssa-loop-im.c (for_each_index): Handle invariant
8323         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
8324         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
8325         pointer type to/from integral types that do not change the
8326         precision to regular conversions.
8327
8328 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
8329
8330         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
8331         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
8332         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
8333         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
8334         input arguments and the mode of return value.  Built-in functions
8335         that operate on whole 64-bit MMX register now use V1DI mode.
8336
8337 2008-03-13  Alon Dayan  <alond@il.ibm.com>
8338             Olga Golovanevsky  <olga@il.ibm.com>
8339
8340         PR tree-optimization/35041
8341         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
8342         to locate the right position in a statement.
8343
8344 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
8345
8346         PR target/34000
8347         PR target/35553
8348         * config/i386/xmmintrin.h:  Change all static inline functions to
8349         extern inline and add __gnu_inline__ attribute.
8350         * config/i386/bmintrin.h: Ditto.
8351         * config/i386/smmintrin.h: Ditto.
8352         * config/i386/tmmintrin.h: Ditto.
8353         * config/i386/mmintrin-common.h: Ditto.
8354         * config/i386/ammintrin.h: Ditto.
8355         * config/i386/emmintrin.h: Ditto.
8356         * config/i386/pmmintrin.h: Ditto.
8357         * config/i386/mmintrin.h: Ditto.
8358         * config/i386/mm3dnow.h: Ditto.
8359
8360 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
8361
8362         PR middle-end/35185
8363         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
8364         (lower_omp_2): New function.
8365         (lower_omp_1, lower_omp): Rewritten.
8366
8367 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
8368
8369         PR 35054
8370         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
8371         with the phrase "Microsoft Windows compilers".
8372         (Push/Pop Macro Pragmas): New subsection. Document
8373         #pragma push_macro and pragma pop_macro.
8374
8375 2008-03-12  Paul Brook  <paul@codesourcery.com>
8376
8377         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
8378
8379 2008-03-12  Paul Brook  <paul@codesourcery.com>
8380
8381         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
8382         (thumb2_alusi3_short): Exclude PLUS and MINUS.
8383         (thumb2_addsi_shortim): Rename ...
8384         (thumb2_addsi_short): ... to this.  Allow register operands.
8385         (thumb2_subsi_short): New pattern.
8386         (thumb2_one_cmplsi2_short,
8387         thumb2_negsi2_short): New patterns and peepholes.
8388
8389 2008-03-12  Paul Brook  <paul@codesourcery.com>
8390
8391         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
8392
8393 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
8394
8395         * config/i386/i386.md (int_cond): New code iterator.
8396         (fp_cond): Ditto.
8397         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
8398         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
8399         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
8400         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
8401         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
8402         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
8403         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
8404         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
8405
8406 2008-03-12  Paul Brook  <paul@codesourcery.com>
8407
8408         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
8409         instead of {arm,thumb}_compute_save_reg_mask.
8410         (output_return_instruction): Ditto.
8411         (thumb_unexpanded_epilogue): Ditto.
8412         (thumb1_expand_prologue): Ditto.
8413         (thumb1_output_function_prologue): Ditto.
8414         (arm_set_return_address): Ditto.
8415         (thumb_set_return_address): Ditto.
8416         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
8417         regs to achieve stack alignment.
8418         (thumb1_compute_save_reg_mask): Fix compiler warning.
8419         (arm_output_epilogue): Use offsets->saved_regs_mask.
8420         Adjust stack pointer by poping call clobered registers.
8421         (arm_expand_prologue): Use offsets->saved_regs_mask.
8422         Adjust stack pointer by pushing extra registers.
8423         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
8424
8425 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
8426
8427         PR tree-opt/35422
8428         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
8429         conversion to the operands of a multiplication.
8430
8431 2008-03-12  Richard Guenther  <rguenther@suse.de>
8432
8433         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
8434         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
8435         * timevar.def (TV_TREE_PHIPROP): Add.
8436         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
8437         pass description.  Use TV_TREE_PHIPROP.
8438         * tree-ssa-forwprop.c: Remove phiprop code.
8439
8440 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
8441
8442         PR middle-end/35549
8443         * omp-low.c (maybe_lookup_decl): Constify first argument.
8444         (use_pointer_for_field): Change last argument from bool to
8445         omp_context *.  Disallow shared copy-in/out in nested
8446         parallel if decl is shared in outer parallel too.
8447         (build_outer_var_ref, scan_sharing_clauses,
8448         lower_rec_input_clauses, lower_copyprivate_clauses,
8449         lower_send_clauses, lower_send_shared_vars): Adjust callers.
8450
8451 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
8452             Ira Rosen  <irar@il.ibm.com>
8453
8454         * tree-vectorizer.c (free_stmt_vec_info): New function.
8455         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
8456         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
8457         * tree-vectorizer.h (free_stmt_vec_info): Declare.
8458         * tree-vect-transform.c (vectorizable_conversion): Free
8459         vec_oprnds0 if it was allocated.
8460         (vect_permute_store_chain): Remove unused VECs.
8461         (vectorizable_store): Free VECs that are allocated in the..
8462         function.
8463         (vect_transform_strided_load, vectorizable_load): Likewise.
8464         (vect_remove_stores): Simplify the code.
8465         (vect_transform_loop): Move code to vect_remove_stores().
8466         Call vect_remove_stores() and free_stmt_vec_info().
8467
8468 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8469
8470         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
8471         TARGET_HPUX.  Revise comment.
8472         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
8473         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
8474         Use sr4 variant of `be' instruction when not generating PIC code.
8475         (attr_length_call): Adjust for above change.
8476
8477 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8478
8479         * ipa-reference.c (static_execute): Remove module_statics_const and
8480         associated setting code.
8481
8482 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
8483
8484         PR target/35540
8485         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
8486         predicate for operand 1.
8487         (paritysi2_cmp): Use register_operand predicate for operand 2.
8488         Use earlyclobber modifier for operand 1.  Remove support for
8489         memory operands.
8490         (paritydi2_cmp): Use register_operand predicate for operand 3.
8491         Use earlyclobber modifier for operand 1.  Remove support for
8492         memory operands.
8493
8494 2008-03-11  Paul Brook  <paul@codesourcery.com>
8495             Vladimir Prus  <vladimir@codesourcery.com>
8496
8497         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
8498         (arm_compute_save_reg0_reg12_mask): Always
8499         check if register 11 must be saved.  Always safe hard frame pointer
8500         when frame_pointer_needeed.
8501         (arm_compute_save_reg_mask): Save IP and PC
8502         only with apcs frames.
8503         (arm_output_epilogue): Adjust Thumb2 codepath to
8504         be also invoked and work for ARM non-apcs frames.
8505         (arm_expand_prologue): Don't bother saving IP
8506         for non-apcs frame, since it's not clobbered by
8507         prologue code.  Implement non-apcs frame
8508         layout.
8509
8510 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
8511
8512         PR rtl-optimization/35281
8513         * expr.c (convert_move): Use a new pseudo for the intermediate
8514         from_mode->word_mode result.
8515
8516 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
8517
8518         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
8519         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
8520         * toplev.c (compile_file): Don't call it.
8521
8522 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
8523
8524         PR middle-end/35526
8525         * expr.c (store_expr): Call emit_block_move if the mode
8526         of "temp" RTX is BLKmode.
8527
8528 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8529             Richard Guenther  <rguenther@suse.de>
8530
8531         PR tree-optimization/31358
8532         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
8533         the step with a NULL_TREE.
8534         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
8535         to sizetype if type is a pointer type.
8536         (add_candidate_1): Don't convert the base and step to
8537         the generic type if the orginal type is a pointer type.
8538         (add_iv_value_candidates): Use sizetype for the step
8539         if type is a pointer type.
8540         (cand_value_at): Likewise.
8541         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
8542         for pointer types.
8543         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
8544         Don't convert the tem affine to the type.
8545         (add_elt_to_tree): Use sizetype for the step if a pointer.
8546         Use POINTER_PLUS_EXPR for pointers.
8547         (aff_combination_to_tree): Use sizetype for the step if a
8548         pointer.
8549
8550 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
8551
8552         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
8553         Remove commutativity hint.
8554
8555 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
8556
8557         PR c/35438
8558         PR c/35439
8559         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
8560         errorneous type.  Check that v is a VAR_DECL.
8561
8562         PR middle-end/35099
8563         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
8564
8565 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
8566
8567         PR tree-optimization/35494
8568         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
8569         may be overriden at link and run time.
8570
8571 2008-03-10  Richard Guenther  <rguenther@suse.de>
8572
8573         PR tree-optimization/34677
8574         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
8575         (poolify_tree): Likewise.
8576         (modify_expr_template): Likewise.
8577         (poolify_modify_stmt): Likewise.
8578         (insert_fake_stores): Handle all component-ref style stores
8579         in addition to INDIRECT_REF.  Also handle complex types.
8580         Do not poolify the inserted load.
8581         (realify_fake_stores): Do not rebuild the tree but only
8582         make it a SSA_NAME copy.
8583         (init_pre): Remove initialzation of modify_expr_template.
8584         Do not allocate modify_expr_node_pool.
8585         (fini_pre): Do not free modify_expr_node_pool.
8586
8587 2008-03-10  Paul Brook  <paul@codesourcery.com>
8588
8589         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
8590         to avoid conflicts.
8591
8592 2008-03-10  Paul Brook  <paul@codesourcery.com>
8593             Mark Shinwell  <shinwell@codesourcery.com>
8594
8595         * config/arm/cortex-r4.md: New.
8596         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
8597         insn attributes.
8598         * config/arm/arm.md: Include cortex-r4.md.
8599         (insn): Add smmls, sdiv and udiv values.
8600         (generic_sched): Don't use generic scheduling for Cortex-R4.
8601         (arm_issue_rate): New function.
8602         (TARGET_SCHED_ISSUE_RATE): Define.
8603
8604 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
8605
8606         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
8607
8608 2008-03-10  Richard Guenther  <rguenther@suse.de>
8609
8610         * tree-ssa-pre.c (get_sccvn_value): Simplify.
8611         (compute_avail): Do not add stmt uses to AVAIL_OUT.
8612
8613 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
8614
8615         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
8616         Set default to true.
8617
8618 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8619
8620         * c.opt (Wsynth): Deprecate.
8621         * doc/invoke.texi (Option Summary, Warning Options): Document
8622         -Wno-format-contains-nul.
8623
8624 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
8625
8626         PR target/35496
8627         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
8628         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
8629
8630 2008-03-09  Ira Rosen  <irar@il.ibm.com>
8631
8632         * config/rs6000/rs6000.c (builtin_description): Rename vector
8633         left shift operations.
8634         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
8635         (altivec_vsl<VI_char>): Rename to ...
8636         (ashl<mode>3): ... new name.
8637         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
8638         gen_ashlv4si3.
8639         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
8640
8641 2008-03-08  Richard Guenther  <rguenther@suse.de>
8642
8643         * coverage.h (tree_coverage_counter_addr): Declare.
8644         * coverage.c (tree_coverage_counter_addr): New function.
8645         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
8646         before using again.
8647         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
8648         (tree_gen_one_value_profiler): Likewise.
8649         (tree_gen_ic_profiler): Likewise.
8650         (tree_gen_average_profiler): Likewise.
8651         (tree_gen_ior_profiler): Likewise.
8652
8653 2008-03-08  Richard Guenther  <rguenther@suse.de>
8654
8655         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
8656         (vn_binary_op_insert): Likewise.
8657         (vn_unary_op_lookup): Likewise.
8658         (vn_unary_op_insert): Likewise.
8659         (vn_nary_op_lookup): Declare.
8660         (vn_nary_op_insert): Likewise.
8661         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
8662         and binary hashes, use a single obstack for unary_op_pool
8663         and binary_op_pool.
8664         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
8665         a single struct vn_nary_op_s.  Store tree code length and
8666         a variable number of operands.
8667         (struct vn_reference_op_struct): Remove unused op2.
8668         (vn_reference_op_eq): Do not compare op2.
8669         (vn_reference_op_compute_hash): Do not compute hash of op2.
8670         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
8671         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
8672         with vn_nary_op_compute_hash.
8673         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
8674         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
8675         vn_nary_op_lookup.
8676         (vn_unary_op_insert, vn_binary_op_insert): Replace with
8677         vn_nary_op_insert.
8678         (visit_unary_op): Call nary functions.
8679         (visit_binary_op): Likewise.
8680         (process_scc): Adjust for struct vn_tables_s changes.
8681         (allocate_vn_table): Likewise.
8682         (free_vn_table): Likewise.
8683         * tree-vn.c (vn_add): Call nary functions.
8684         (vn_lookup): Likewise.
8685
8686 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
8687
8688         PR target/35498
8689         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
8690         wdst back after sync_compare_and_swapqhi_internal.
8691
8692 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
8693
8694         PR target/22152
8695         * config/i386/i386-modes.def (V1DI): New vector mode.
8696         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
8697         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
8698         (MMXMODE248): Ditto.
8699         (MMXMODE): Add V1DI mode.
8700         (mmxvecsize): Change DI mode to V1DI mode.
8701         ("mov<mode>): Use MMXMODEI8 mode iterator.
8702         ("*mov<mode>_internal_rex64"): Ditto.
8703         ("*mov<mode>_internal"): Ditto.
8704         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
8705         ("mmx_sub<mode>3"): Ditto.
8706         ("mmx_adddi3"): Remove insn pattern.
8707         ("mmx_subdi3"): Ditto.
8708         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
8709         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
8710         ("mmx_ashl<mode>3"): Ditto.
8711         ("mmx_lshrdi3"): Remove insn pattern.
8712         ("mmx_ashldi3"): Ditto.
8713         * config/i386/i386.c (classify_argument): Handle V1DImode.
8714         (function_arg_advance_32): Ditto.
8715         (function_arg_32): Ditto.
8716         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
8717         mmx_addv1di3 insn pattern.
8718         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
8719         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
8720         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
8721         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
8722         Remove definitions of built-in functions.
8723         (V1DI_type_node): New node.
8724         (v1di_ftype_v1di_int): Ditto.
8725         (v1di_ftype_v1di_v1di): Ditto.
8726         (v2si_ftype_v2si_si): Ditto.
8727         (v4hi_ftype_v4hi_di): Remove node.
8728         (v2si_ftype_v2si_di): Ditto.
8729         (ix86_init_mmx_sse_builtins): Handle V1DImode.
8730         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
8731         Redefine builtins using def_builtin_const with *_ftype_*_int node.
8732         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
8733         Add new builtins using def_builtin_const.
8734         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
8735         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
8736         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
8737         * config/i386/mmintrin.h (__v1di): New typedef.
8738         (_mm_add_si64): Cast arguments to __v1di type.
8739         (_mm_sub_si64): Ditto.
8740         (_mm_sll_pi16): Cast __count to __v4hi type.
8741         (_mm_sll_pi32): Cast __count to __v2si type.
8742         (_mm_sll_si64): Cast arguments to __v1di type.
8743         (_mm_srl_pi16): Cast __count to __v4hi type.
8744         (_mm_srl_pi32): Cast __count to __v2si type.
8745         (_mm_srl_si64): Cast arguments to __v1di type.
8746         (_mm_sra_pi16): Cast __count to __v4hi type.
8747         (_mm_sra_pi32): Cast __count to __v2si type.
8748         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
8749         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
8750         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
8751         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
8752         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
8753         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
8754         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
8755         (_mm_srai_pi32): Use __builtin_ia32_psradi.
8756         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
8757         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
8758         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
8759         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
8760
8761 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
8762
8763         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
8764
8765 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
8766
8767         PR target/35373
8768         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
8769         reg+const addressing for Altivec modes.  Don't generate reg+reg
8770         addressing for TFmode or TDmode quantities.
8771
8772 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
8773
8774         * c-common.c (vector_types_convertible_p): Call langhook
8775         instead of comptypes.
8776
8777 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8778
8779         PR tree-opt/35402
8780         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
8781         integral and scalar float variables which have a
8782         NULL DECL_INITIAL.
8783
8784 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
8785
8786         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
8787         dwarf_register_span hook when emitting unwind information for
8788         register-to-memory saves.
8789         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
8790         (rs6000_frame_related): Remove call to spe_synthesize_frame.
8791
8792 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
8793
8794         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
8795         for the same VAR_DECL.
8796
8797 2008-03-06  Tom Tromey  <tromey@redhat.com>
8798
8799         * treelang: Delete.
8800         * doc/standards.texi (Standards): Don't mention treelang.
8801         * doc/invoke.texi (Overall Options): Don't mention treelang.
8802         * doc/install.texi (Prerequisites): Don't mention bison or
8803         treelang.
8804         (Configuration): Don't mention treelang.
8805         (Building): Likewise.
8806         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
8807
8808 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
8809
8810         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
8811         word-extractions out of a multi-word object.
8812
8813 2008-03-06  Richard Guenther  <rguenther@suse.de>
8814
8815         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
8816         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
8817         result type and precision.
8818         * expr.c (get_inner_reference): Set unsignedp based on the result
8819         type of BIT_FIELD_REF.
8820         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
8821         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
8822         (try_instantiate_multiple_fields): Likewise.  Use the correct type
8823         for BIT_FIELD_REF.
8824         (sra_build_assignment): Likewise.
8825         (sra_build_elt_assignment): Likewise.
8826         (sra_explode_bitfield_assignment): Likewise.
8827         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
8828         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
8829         set BIT_FIELD_REF_UNSIGNED.
8830         (vectorizable_load): Likewise.
8831
8832 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
8833
8834         * cse.c (cse_extended_basic_block): Invalidate artificial defs
8835         at bb start.
8836
8837 2008-03-06  Richard Guenther  <rguenther@suse.de>
8838
8839         * alias.c (struct alias_set_entry): Move has_zero_child field
8840         to pack with alias_set.
8841
8842 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
8843
8844         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
8845         32bit host.
8846
8847 2008-03-05  Ian Lance Taylor  <iant@google.com>
8848
8849         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
8850
8851 2008-03-05  Kenneth Zadeck  <zadeck@naturalbridge.com>
8852
8853         * fwprop.c (update_df): Support width and offset parameters of
8854         df_ref_create.
8855         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
8856         global_conflicts): Change DF_REF_EXTRACT to either
8857         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
8858         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
8859         * df-scan.c (df_ref_record, df_defs_record,
8860         df_ref_create_structure, df_def_record_1, df_uses_record,
8861         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
8862         df_bb_refs_collect, df_entry_block_defs_collect,
8863         df_exit_block_uses_collect): Support new width and offset fields.
8864         (ref_extract_pool): New storage pool.
8865         (df_free_ref): New function.
8866         (df_reg_chain_unlink, df_free_collection_rec,
8867         df_sort_and_compress_refs): Call df_free_ref.
8868         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
8869         of df_ref_extract.
8870         (df_ref_create_structure): Allocate df_ref_extract if offset and
8871         width fields are used.
8872         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
8873         (df_uses_record): Get offset and width from ZERO_EXTRACT 
8874         and SIGN_EXTRACT.
8875         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
8876         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
8877         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
8878         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
8879         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
8880         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
8881         (df_ref_extract): New structure.
8882         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
8883         (df_ref_create): Add width and offset parameters.
8884         
8885 2008-03-05  Richard Guenther  <rguenther@suse.de>
8886
8887         * tree-ssa-structalias.c (get_constraint_for_component_ref):
8888         Use ranges_overlap_p.
8889         (offset_overlaps_with_access): Rename
8890         to ranges_overlap_p and move ...
8891         * tree-flow-inline.h (ranges_overlap_p): ... here.
8892
8893         * tree.h (get_inner_reference, handled_component_p): Update
8894         comments.
8895
8896         * tree.h (record_component_aliases, get_alias_set,
8897         alias_sets_conflict_p, alias_sets_must_conflict_p,
8898         objects_must_conflict_p): Move declarations ...
8899         * alias.h (record_component_aliases, get_alias_set,
8900         alias_sets_conflict_p, alias_sets_must_conflict_p,
8901         objects_must_conflict_p): ... here.
8902         Include coretypes.h.
8903         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
8904
8905 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
8906
8907         * cfg.c: Include tree-flow.h.
8908         (remove_edge_raw): Call redirect_edge_var_map_clear.
8909         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
8910         * tree-flow-inline.h (redirect_edge_var_map_def): New.
8911         (redirect_edge_var_map_result): New.
8912         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
8913         PENDING_STMT use with redirect_edge_var_map_*.
8914         * tree-ssa.c (edge_var_maps): New definition.
8915         (redirect_edge_var_map_add): New.
8916         (redirect_edge_var_map_clear): New.
8917         (redirect_edge_var_map_dup): New.
8918         (redirect_edge_var_map_vector): New.
8919         (redirect_edge_var_map_destroy): New.
8920         (ssa_redirect_edge): Replace PENDING_STMT use with
8921         redirect_edge_var_map_*.
8922         (flush_pending_stmts): Same.
8923         (delete_tree_ssa): Destroy edge var map.
8924         * tree-flow.h (struct _edge_var_map): New.
8925         Define edge_var_map vector type.
8926         Declare redirect_edge_var_map_* prototypes.
8927         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
8928         * tree-cfg.c (reinstall_phi_args): Replace
8929         PENDING_STMT use with redirect_edge_var_map_*.
8930
8931 2008-03-05  Richard Guenther  <rguenther@suse.de>
8932
8933         PR tree-optimization/35472
8934         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
8935         whose single use_stmt has a overlapping set of loaded and
8936         stored symbols as that use_stmt might be a noop assignment then.
8937
8938 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
8939
8940         * gthr-rtems.h: Implement __gthread_mutex_destroy.
8941
8942 2008-03-05  Richard Guenther  <rguenther@suse.de>
8943
8944         PR c++/35336
8945         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
8946         should be constants.
8947         * tree-cfg.c (verify_expr): Verify it.
8948         * fold-const.c (fold_truthop): Remove code generating
8949         BIT_FIELD_REFs of structure bases.
8950         (fold_binary): Likewise.
8951         (fold_ternary): Position and size of BIT_FIELD_REFs are
8952         always host integers.
8953         (make_bit_field_ref): Remove.
8954         (optimize_bit_field_compare): Remove.
8955         (all_ones_mask_p): Remove.
8956
8957 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
8958
8959         PR gcc/33009
8960         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
8961         (split_block_and_df_analyze): New. Split basic block and rebuild
8962         dataflow.
8963         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
8964         SPLIT_BLOCK.
8965         (split_pattern_seq): Likewise.
8966         (erase_matching_seqs): Likewise.
8967         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
8968
8969 2008-03-04  Geoff Keating  <geoffk@apple.com>
8970
8971         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
8972         declaration and code.
8973         (tree_invalid_nonnegative_warnv_p): Likewise.
8974
8975 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
8976
8977         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
8978         examples.  Truncate option-names then causing overfull hbox.
8979
8980 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8981
8982         PR target/35222
8983         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
8984         on hpux10.
8985         * configure: Rebuilt.
8986
8987 2008-03-04  Rafael Espindola  <espindola@google.com>
8988
8989         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
8990         (tree_unary_nonnegative_warnv_p): New.
8991         (tree_binary_nonnegative_warnv_p): New.
8992         (tree_single_nonnegative_warnv_p): New.
8993         (tree_invalid_nonnegative_warnv_p): New.
8994         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
8995
8996 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8997
8998         PR 28322
8999         * opts.c (handle_option): Postpone 'unknown option' errors only for
9000         warning options.
9001
9002 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
9003
9004         PR target/35453
9005         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
9006         (_SIDD_XXX): This.
9007
9008 2008-03-04  Rafael Espindola  <espindola@google.com>
9009
9010         * fold-const.c (tree_unary_nonzero_warnv_p): New.
9011         (tree_binary_nonzero_warnv_p): New.
9012         (tree_single_nonzero_warnv_p): New.
9013         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
9014
9015 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
9016
9017         PR middle-end/35456
9018         * fold-const.c (fold_cond_expr_with_comparison): Prevent
9019         transformations for modes that have signed zeros.
9020         * ifcvt.c (noce_try_abs): Ditto.
9021
9022 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
9023
9024         * config/i386/i386.c (override_options): Force
9025         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
9026
9027 2008-03-04  Jan Hubicka  <jh@suse.cz>
9028
9029         PR c++/35262
9030         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
9031         in last commit.
9032
9033 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
9034
9035         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
9036         label to probe the stack.
9037
9038 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
9039
9040         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
9041         (__gthr_win32_mutex_destroy): Declare.
9042         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
9043         __gthr_win32_mutex_destroy.
9044         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
9045
9046 2008-03-03  Jan Hubicka  <jh@suse.cz>
9047
9048         PR c++/35262
9049         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
9050         aggressive on inlining cold calls.
9051
9052 2008-03-03  Richard Guenther  <rguenther@suse.de>
9053
9054         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
9055         struct copies into the expression table.
9056         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
9057         (try_to_simplify): Likewise.
9058         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
9059         integral and pointer arguments which do not change the
9060         precision to NOP_EXPRs.
9061         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
9062         VIEW_CONVERT_EXPR case.
9063
9064 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
9065
9066         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
9067         defined in a loop at depth 0 is invariant.
9068         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
9069         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
9070         be called at loop depth 0.
9071
9072 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
9073
9074         PR driver/35420
9075         * gcc.c (process_command): Update copyright notice dates.
9076         * gcov.c (print_version): Likewise.
9077         * gcov-dump.c (print_version): Likewise.
9078         * mips-tfile.c (main): Likewise.
9079         * mips-tdump.c (main): Likewise.
9080
9081 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9082
9083         PR 24924
9084         * c-common.c (flag_permissive): Delete.
9085         (constant_expression_warnings): Check flags first.
9086         (constant_expression_error): New.
9087         * c-common.h (flag_permissive): Delete.
9088         (constant_expression_error): Declare.
9089         * flags.h (flag_permissive): Declare. Update description.
9090         * diagnostic.c (pedwarn): Update.
9091         (permerror): New.
9092         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
9093         (permissive_error_kind): New.
9094         * toplev.c (flag_permissive): Define. Update description.
9095         * toplev.h (permissive_error_kind): Declare.
9096         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
9097         (pedwarn_c90): Use pedantic_warning_kind.
9098         * c-opts.c (c_common_post_options): flag_permissive does not affect
9099         flag_pedantic_errors.
9100
9101 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
9102
9103         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
9104         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
9105         __absvsi2, __absvDI2): Use unsigned arithmetic.
9106
9107 2008-03-02  Andi Kleen  <ak@suse.de>
9108             Richard Guenther  <rguenther@suse.de>
9109
9110         * struct-equiv.c: Remove file.
9111         * cfg_cleanup.c (condjump_equiv_p): Remove.
9112         * Makefile.in (OBJS-common): Remove struct-equiv.o.
9113         (struct-equiv.o): Remove rule.
9114         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
9115         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
9116         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
9117
9118 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
9119
9120         * ifcvt.c (noce_process_if_block): Try to handle only the then
9121         block if the else block exists but isn't suitable.
9122
9123 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
9124
9125         PR gcc/35063
9126         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
9127         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
9128         regression from previous patch.
9129
9130 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
9131
9132         PR gcc/35063
9133         * gthr.h: Add __gthread_mutex_destroy as a function that must be
9134         implemented.
9135         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
9136         * gthr-single.h (__gthread_mutex_destroy): Likewise.
9137         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
9138         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
9139         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
9140         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
9141         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
9142         (__gthread_mutex_destroy_function): Rename to
9143         __gthread_mutex_destroy.
9144         * gthr-dce.h (__gthread_mutex_destroy): Call
9145         pthread_mutex_destroy.
9146         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
9147         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
9148         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
9149
9150 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
9151
9152         * df-scan.c (df_ref_chain_change_bb): Simplify.
9153         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
9154         set_block_for_insn if there's any change.
9155         * df.h ((df_insn_change_bb): Fix prototype.
9156         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
9157         df_insn_change_bb, don't call set_block_for_insn.
9158         * emit-rtl.c (reorder_insns): Likewise.
9159         * haifa-sched.c (move_insn): Likewise.
9160
9161 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
9162
9163         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
9164
9165 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
9166
9167         * tree-flow-inline.h (next_readonly_imm_use): Return
9168         NULL_USE_OPERAND_P after the end.
9169
9170 2008-03-01  Richard Guenther  <rguenther@suse.de>
9171
9172         PR tree-optimization/35411
9173         * tree-sra.c (sra_build_assignment): Split conversion to
9174         final type to a separate statement if we are not assigning
9175         to a register.
9176
9177 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
9178
9179         * fold-const.c (fold_convertible_p): Correct the logic to follow
9180         that in fold_convert().
9181
9182 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
9183
9184         PR c++/35315
9185         * tree-inline.c (build_duplicate_type): When we make a
9186         duplicate type, make it unique in the canonical types system.
9187
9188 2008-02-29  Tom Tromey  <tromey@redhat.com>
9189
9190         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
9191         input_file_stack_history, input_file_stack_restored): Remove.
9192         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
9193         * input.h (struct file_stack): Remove.
9194         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
9195         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
9196         Likewise.
9197         * diagnostic.h (struct diagnostic_context) <last_module>: Change
9198         type.
9199         (diagnostic_last_module_changed): Add 'map' argument.
9200         (diagnostic_set_last_function): Likewise.
9201         * diagnostic.c (undiagnostic_report_current_module): Iterate using
9202         line map, not input_file_stack.
9203         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
9204
9205 2008-02-29  Paul Brook  <paul@codesourcery.com>
9206
9207         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
9208
9209 2008-02-29  Paul Brook  <paul@codesourcery.com>
9210
9211         * config/arm/ieee754-df.S (muldf3): Use RET macros.
9212
9213 2008-02-29  Richard Guenther  <rguenther@suse.de>
9214
9215         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
9216         vn_lookup_or_add.
9217         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
9218         value for comparing for a store match.
9219         (simplify_unary_expression): Do nothing for SSA_NAMEs.
9220         (try_to_simplify): Do not do a full-blown reference lookup.
9221
9222 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
9223
9224         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
9225         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
9226
9227         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
9228
9229 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
9230
9231         * tree-loop-linear.c (try_interchange_loops): Compare memory access
9232         strides against cache sizes.
9233
9234 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
9235
9236         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
9237         constant to fpul.
9238
9239 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
9240
9241         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
9242         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
9243         is smaller than the original promoted value.
9244         (simplify_subreg): If OP is a SUBREG, try to preserve its
9245         SUBREG_PROMOTED_VAR_P information.
9246
9247 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
9248
9249         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
9250         (VN_INFO_GET): Allocate new objects on the obstack.
9251         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
9252         for rpo_numbers_temp, for consistency.
9253         (free_scc_vn): Free the obstack.
9254
9255 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
9256
9257         * doc/invoke.texi: Document -ftree-loop-distribution.
9258         * tree-loop-distribution.c: New.
9259         * tree-pass.h (pass_loop_distribution): New.
9260         * graphds.h (struct graph): Add htab_t indices.
9261         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
9262         * tree-vectorizer.c (rename_variables_in_loop): Extern.
9263         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
9264         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
9265         * tree-data-ref.c (debug_data_dependence_relations): New.
9266         (dump_data_dependence_relation): Also print data references.
9267         (free_data_ref): Extern.
9268         (same_access_functions): Moved...
9269         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
9270         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
9271         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
9272         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
9273         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
9274         (stmts_from_loop): Skip LABEL_EXPR.
9275         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
9276         New.
9277         (build_rdg): Initialize rdg->indices htab.
9278         (free_rdg, stores_from_loop, ref_base_address,
9279         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
9280         have_similar_memory_accesses_1, ref_base_address_1,
9281         remove_similar_memory_refs): New.
9282         * tree-data-ref.h: Depend on tree-chrec.h.
9283         (debug_data_dependence_relations, free_data_ref): Declared.
9284         (same_access_functions): ... here.
9285         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
9286         New.
9287         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
9288         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
9289         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
9290         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
9291         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
9292         rdg_vertex_for_stmt): Declared.
9293         (struct rdg_edge): Add level.
9294         (RDGE_LEVEL): New.
9295         (free_rdg, stores_from_loop, remove_similar_memory_refs,
9296         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
9297         Declared.
9298         (rdg_has_similar_memory_accesses): New.
9299         * tree-vect-analyze.c: Remove unused static decls.
9300         * lambda.h (dependence_level): New.
9301         * common.opt (ftree-loop-distribution): New.
9302         * tree-flow.h (mark_virtual_ops_in_bb, 
9303         slpeel_tree_duplicate_loop_to_edge_cfg,
9304         rename_variables_in_loop): Declared.
9305         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
9306         (OBJS-common): Add tree-loop-distribution.o.
9307         (tree-loop-distribution.o): New rule.
9308         * tree-cfg.c (mark_virtual_ops_in_bb): New.
9309         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
9310         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
9311
9312 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
9313
9314         PR target/33963
9315         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
9316         other than structures and unions.
9317
9318 2008-02-28  Richard Guenther  <rguenther@suse.de>
9319
9320         Revert:
9321         2008-02-26  Richard Guenther  <rguenther@suse.de>
9322
9323         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
9324         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
9325         (lookup_decl_from_uid): Declare.
9326         (remove_decl_from_map): Likewise.
9327         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
9328         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
9329         (decl_for_uid_map): New global hashtable mapping DECL_UID
9330         to the decl tree.
9331         (init_ttree): Allocate it.
9332         (insert_decl_to_uid_decl_map): New helper function.
9333         (make_node_stat): Insert new decls into the map.
9334         (copy_node_stat): Likewise.
9335         (lookup_decl_from_uid): New function.
9336         (remove_decl_from_map): Likewise.
9337         (print_decl_for_uid_map_statistics): New helper.
9338         (dump_tree_statistics): Call it.
9339
9340         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
9341         (referenced_var_iterator): Adjust.
9342         (FOR_EACH_REFERENCED_VAR): Adjust.
9343         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
9344         (num_referenced_vars): Adjust.
9345         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
9346         (first_referenced_var): Remove.
9347         (end_referenced_vars_p): Likewise.
9348         (next_referenced_var): Likewise.
9349         (referenced_var_iterator_set): New helper function.
9350         * tree-dfa.c (referenced_var_lookup): Adjust.
9351         (referenced_var_check_and_insert): Likewise.
9352         (remove_referenced_var): Likewise.
9353         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
9354         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
9355         (verify_call_clobbering): Likewise.
9356         (verify_memory_partitions): Likewise.
9357         (init_tree_ssa): Allocate bitmap instead of hashtable for
9358         referenced_vars.
9359         (delete_tree_ssa): Adjust.
9360         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
9361         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
9362         (compute_tag_properties): Likewise.
9363         (set_initial_properties): Likewise.
9364         (find_partition_for): Likewise.
9365         (update_reference_counts): Likewise.
9366         (dump_may_aliases_for): Likewise.
9367         * tree-ssa-operands.c (add_virtual_operand): Likewise.
9368         (add_call_clobber_ops): Likewise.
9369         (add_call_read_ops): Likewise.
9370         (get_asm_expr_operands): Likewise.
9371         * tree-into-ssa.c (dump_decl_set): Likewise.
9372         (update_ssa): Likewise.
9373         * tree-sra.c (scan_function): Likewise.
9374         (decide_instantiations): Likewise.
9375         (scalarize_parms): Likewise.
9376         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
9377         (dsa_named_for): Likewise.
9378         * tree-ssa-structalias.c (update_alias_info): Likewise.
9379         (merge_smts_into): Likewise.
9380
9381 2008-02-27  David Daney  <ddaney@avtrex.com>
9382
9383         PR target/34409
9384         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
9385         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
9386         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
9387         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
9388         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
9389
9390 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
9391
9392         PR target/25477
9393         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
9394         (BUILT_IN_NEXTTOWARD): Remove.
9395         (BUILT_IN_NEXTTOWARDF): Ditto.
9396         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
9397         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
9398
9399 2008-02-27  Tom Tromey  <tromey@redhat.com>
9400
9401         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
9402         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
9403
9404 2008-02-27  Jan Beulich  <jbeulich@novell.com>
9405
9406         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
9407         update the respective field on newdecl.
9408
9409 2008-02-27  Revital Eres  <eres@il.ibm.com>
9410
9411         PR rtl-optimization/34999
9412         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
9413         crossing edges that ends with a call insn.
9414         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
9415         call insn and clear the EDGE_CROSSING flag of the crossing edge
9416         when fixing fallthru edges.
9417
9418 2008-02-27  Richard Guenther  <rguenther@suse.de>
9419
9420         PR middle-end/35390
9421         * fold-const.c (fold_unary): Return the correct argument,
9422         converted to the result type.
9423
9424 2008-02-27  Richard Guenther  <rguenther@suse.de>
9425
9426         PR middle-end/34971
9427         * expr.c (expand_expr_real_1): Assert on rotates that operate
9428         on partial modes.
9429         * fold-const.c (fold_binary): Use the types precision, not the
9430         bitsize of the mode if folding rotate expressions.  Build rotates
9431         only for full modes.
9432
9433 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
9434
9435         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
9436         and CPP_PRAGMA_EOL.
9437         * c-pragma.c (pragma_ns_name): New typedef.
9438         (registered_pp_pragmas): New variable.
9439         (c_pp_lookup_pragma): New function.
9440         (c_register_pragma_1): If flag_preprocess_only, do nothing
9441         for non-expanded pragmas, for expanded ones push pragma's
9442         namespace and name into registered_pp_pragmas vector.
9443         (c_invoke_pragma_handler): Register OpenMP pragmas even when
9444         flag_preprocess_only, don't register GCC pch_preprocess
9445         pragma if flag_preprocess_only.
9446         * c-opts.c (c_common_init): Call init_pragma even if
9447         flag_preprocess_only.
9448         * c-pragma.c (c_pp_lookup_pragma): New prototype.
9449         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
9450         cpp_register_pragma if flag_preprocess_only.
9451
9452 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9453
9454         PR c/28800
9455         * c-parser.c (c_parser_translation_unit): Warn for empty
9456         translation unit, not empty source file.
9457
9458 2008-02-26  Paul Brook  <paul@codesourcery.com>
9459
9460         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
9461         operand for Thumb-2.
9462         * config/arm/arm.h (reg_class): Add CORE_REGS.
9463         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
9464         (BASE_REG_CLASS): Use CORE_REGS.
9465         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
9466         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
9467         (REGNO_OK_FOR_INDEX_P): Exclude SP.
9468         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
9469         ARM_REGNO_OK_FOR_INDEX_P.
9470         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
9471         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
9472         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
9473         (ldm/stm peepholes): Ditto.
9474         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
9475         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
9476         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
9477         * config/arm/constraints.md: Enable "k" constraint on ARM.
9478
9479 2008-02-27  Ben Elliston  <bje@au.ibm.com>
9480
9481         * config/rs6000/rs6000.c: Annotate cache line size field in all
9482         instances of struct processor_costs.
9483
9484 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
9485
9486         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
9487         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
9488         jump_bypass): New counters.
9489         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
9490         * dce.c (gate_ud_dce): Same.
9491         (gate_fast_dce): Same.
9492         * dse.c (gate_dse1): New function.
9493         (gate_dse2): New function.
9494         (gate_dse): Merge results of new gate functions.
9495         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
9496         (gate_handle_jump_bypass): Add dbg_cnt.
9497         (gate_handle_gcse): Add dbg_cnt.
9498         * ifcvt.c (gate_handle_if_conversion): Same.
9499         (gate_handle_if_after_combine): Same.
9500         (gate_handle_if_after_reload): Same.
9501         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
9502
9503 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
9504
9505         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
9506         line sizes.
9507         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
9508
9509 2008-02-26  Jason Merrill  <jason@redhat.com>
9510
9511         PR c++/35315
9512         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
9513         alone if it's the naming decl for the type's main variant.
9514
9515 2008-02-26  Tom Tromey  <tromey@redhat.com>
9516
9517         * system.h (USE_MAPPED_LOCATION): Poison.
9518         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
9519         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
9520         (make_goto_expr_edges): Likewise.
9521         (remove_bb): Likewise.
9522         (execute_warn_function_return): Likewise.
9523         * basic-block.h (struct edge_def) <goto_locus>: Change type to
9524         location_t.
9525         * c-common.c (fname_decl): Remove old location code.
9526         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
9527         location code.
9528         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
9529         variant.
9530         (ASM_INPUT_SOURCE_LOCATION): Likewise.
9531         (gen_rtx_ASM_INPUT): Likewise.
9532         (gen_rtx_ASM_INPUT_loc): Likewise.
9533         (get_rtx_asm_OPERANDS): Remove.
9534         * cfglayout.c (insn_locators_alloc): Remove old location code.
9535         (set_curr_insn_source_location): Likewise.
9536         (curr_insn_locator): Likewise.
9537         * print-tree.c (print_node): Remove old location code.
9538         * tree-mudflap.c (mf_varname_tree): Remove old location code.
9539         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
9540         * cfgexpand.c (expand_gimple_cond_expr): Don't use
9541         location_from_locus.
9542         (construct_exit_block): Remove old location code.
9543         * emit-rtl.c (force_next_line_note): Remove old location code.
9544         * profile.c (branch_prob): Remove old location code.
9545         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
9546         LOC_LINE): Remove old-location variants.
9547         * langhooks.c (lhd_print_error_function): Remove old location
9548         code.
9549         * configure, config.in: Rebuilt.
9550         * configure.ac (--enable-mapped-location): Remove.
9551         * c-decl.c (c_init_decl_processing): Remove old location code.
9552         (finish_function): Likewise.
9553         * recog.c (decode_asm_operands): Remove old location code.
9554         * c-pch.c (c_common_read_pch): Remove old location code.
9555         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
9556         variants.
9557         * gimple-low.c (lower_function_body): Remove old location code.
9558         * toplev.c (unknown_location): Remove.
9559         (push_srcloc): Remove old-location variant.
9560         (process_options): Remove old location code.
9561         (lang_dependent_init): Likewise.
9562         * input.h (UNKNOWN_LOCATION): Move definition.
9563         (location_t): Undeprecate.
9564         (source_locus): Remove.
9565         (location_from_locus): Remove.
9566         (struct location_s): Remove.
9567         Remove all old-location code.
9568         (input_line, input_filename): Remove.
9569         * final.c (final_scan_insn): Remove old location code.
9570         * diagnostic.c (diagnostic_build_prefix): Remove
9571         USE_MAPPED_LOCATION test.
9572         * tree.h (gimple_stmt) <locus>: Now a location_t.
9573         (tree_exp) <locus>: Likewise.
9574         (DECL_IS_BUILTIN): Remove old-location variant.
9575         (annotate_with_file_line, annotate_with_locus): Likewise.
9576         (expr_locus, set_expr_locus): Update.
9577         * tree.c (build1_stat): Remove old location code.
9578         (last_annotated_node): Remove.
9579         (annotate_with_file_line): Remove old-location variant.
9580         (annotate_with_locus): Likewise.
9581         (expr_location): Remove old location code.
9582         (set_expr_location): Likewise.
9583         (expr_has_location): Likewise.
9584         (expr_locus): Likewise.
9585         (set_expr_locus): Likewise.
9586         (expr_filename): Don't use location_from_locus.
9587         (expr_lineno): Likewise.
9588         * rtl-error.c (location_for_asm): Remove old location code.
9589         * c-lex.c (cb_line_change): Remove old location code.
9590         (fe_file_change): Likewise.
9591         (cb_def_pragma): Likewise.
9592         (c_lex_with_flags): Likewise.
9593         * gengtype.c (do_typedef): Don't special-case location types.
9594         (define_location_structures): Remove.
9595         (main): Don't call define_location_structures.
9596         * tree-pretty-print.c (dump_implicit_edges): Remove old location
9597         code.
9598
9599 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9600
9601         PR 26264
9602         * builtins.def (BUILT_IN_STDARG_START): Remove.
9603         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
9604         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
9605         * tree-inline.c (inline_forbidden_p_1): Likewise.
9606         
9607 2008-02-26  Richard Guenther  <rguenther@suse.de>
9608
9609         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
9610         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
9611         (lookup_decl_from_uid): Declare.
9612         (remove_decl_from_map): Likewise.
9613         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
9614         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
9615         (decl_for_uid_map): New global hashtable mapping DECL_UID
9616         to the decl tree.
9617         (init_ttree): Allocate it.
9618         (insert_decl_to_uid_decl_map): New helper function.
9619         (make_node_stat): Insert new decls into the map.
9620         (copy_node_stat): Likewise.
9621         (lookup_decl_from_uid): New function.
9622         (remove_decl_from_map): Likewise.
9623         (print_decl_for_uid_map_statistics): New helper.
9624         (dump_tree_statistics): Call it.
9625
9626         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
9627         (referenced_var_iterator): Adjust.
9628         (FOR_EACH_REFERENCED_VAR): Adjust.
9629         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
9630         (num_referenced_vars): Adjust.
9631         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
9632         (first_referenced_var): Remove.
9633         (end_referenced_vars_p): Likewise.
9634         (next_referenced_var): Likewise.
9635         (referenced_var_iterator_set): New helper function.
9636         * tree-dfa.c (referenced_var_lookup): Adjust.
9637         (referenced_var_check_and_insert): Likewise.
9638         (remove_referenced_var): Likewise.
9639         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
9640         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
9641         (verify_call_clobbering): Likewise.
9642         (verify_memory_partitions): Likewise.
9643         (init_tree_ssa): Allocate bitmap instead of hashtable for
9644         referenced_vars.
9645         (delete_tree_ssa): Adjust.
9646         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
9647         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
9648         (compute_tag_properties): Likewise.
9649         (set_initial_properties): Likewise.
9650         (find_partition_for): Likewise.
9651         (update_reference_counts): Likewise.
9652         (dump_may_aliases_for): Likewise.
9653         * tree-ssa-operands.c (add_virtual_operand): Likewise.
9654         (add_call_clobber_ops): Likewise.
9655         (add_call_read_ops): Likewise.
9656         (get_asm_expr_operands): Likewise.
9657         * tree-into-ssa.c (dump_decl_set): Likewise.
9658         (update_ssa): Likewise.
9659         * tree-sra.c (scan_function): Likewise.
9660         (decide_instantiations): Likewise.
9661         (scalarize_parms): Likewise.
9662         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
9663         (dsa_named_for): Likewise.
9664         * tree-ssa-structalias.c (update_alias_info): Likewise.
9665         (merge_smts_into): Likewise.
9666
9667 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9668
9669         PR 34351
9670         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
9671         * c-opts.c (c_common_handle_option): Wall enables
9672         Wvolatile-register-var.
9673         * common.opt: Move Wvolatile-register-var to...
9674         * c.opt: ...here.
9675         
9676 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9677
9678         * common.opt (Wlarger-than=): New.
9679         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
9680         -Wlarger-than=.
9681         * opts.c (common_handle_option): Handle -Wlarger-than=.
9682         * optc-gen.awk: Likewise.
9683         * opth-gen.awk: Likewise.
9684         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
9685         * tree-optimize.c (tree_rest_of_compilation): Likewise.
9686         
9687 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
9688
9689         * c-common.c (match_case_to_enum_1): Add appropriate
9690         OPT_W* parameter to warning.
9691         (c_do_switch_warnings): Likewise.
9692         * c-typeck.c (warning_init): Add one more parameter following
9693         'warning' function.
9694         (push_init_level): Update call to warning_init.
9695         (pop_init_level): Likewise.
9696         (add_pending_init): Likewise.
9697         (output_init_element: Likewise.
9698
9699 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9700
9701         PR 28322
9702         * toplev.c (toplev_main): If there are warnings or error, print
9703         errors for ignored options.
9704         * opts.c (ignored_options): New static variable.
9705         (postpone_unknown_option_error): New.
9706         (print_ignored_options): New.
9707         (handle_option): Postpone errors for unknown -Wno-* options.
9708         * opts.h (print_ignored_options): Declare.
9709         
9710 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
9711
9712         * config/mips/mips.md (loadgp_blockage, blockage): Change type
9713         to "ghost".
9714
9715 2008-02-25  Richard Guenther  <rguenther@suse.de>
9716
9717         Revert:
9718         2008-02-25  Richard Guenther  <rguenther@suse.de>
9719
9720         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
9721         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
9722         (lookup_decl_from_uid): Declare.
9723         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
9724         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
9725         (decl_for_uid_map): New global hashtable mapping DECL_UID
9726         to the decl tree.
9727         (init_ttree): Allocate it.
9728         (insert_decl_to_uid_decl_map): New helper function.
9729         (make_node_stat): Insert new decls into the map.
9730         (copy_node_stat): Likewise.
9731         (lookup_decl_from_uid): New function.
9732         (print_decl_for_uid_map_statistics): New helper.
9733         (dump_tree_statistics): Call it.
9734
9735         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
9736         (referenced_var_iterator): Adjust.
9737         (FOR_EACH_REFERENCED_VAR): Adjust.
9738         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
9739         (num_referenced_vars): Adjust.
9740         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
9741         (first_referenced_var): Remove.
9742         (end_referenced_vars_p): Likewise.
9743         (next_referenced_var): Likewise.
9744         (referenced_var_iterator_set): New helper function.
9745         * tree-dfa.c (referenced_var_lookup): Adjust.
9746         (referenced_var_check_and_insert): Likewise.
9747         (remove_referenced_var): Likewise.
9748         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
9749         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
9750         (verify_call_clobbering): Likewise.
9751         (verify_memory_partitions): Likewise.
9752         (init_tree_ssa): Allocate bitmap instead of hashtable for
9753         referenced_vars.
9754         (delete_tree_ssa): Adjust.
9755         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
9756         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
9757         (compute_tag_properties): Likewise.
9758         (set_initial_properties): Likewise.
9759         (find_partition_for): Likewise.
9760         (update_reference_counts): Likewise.
9761         (dump_may_aliases_for): Likewise.
9762         * tree-ssa-operands.c (add_virtual_operand): Likewise.
9763         (add_call_clobber_ops): Likewise.
9764         (add_call_read_ops): Likewise.
9765         (get_asm_expr_operands): Likewise.
9766         * tree-into-ssa.c (dump_decl_set): Likewise.
9767         (update_ssa): Likewise.
9768         * tree-sra.c (scan_function): Likewise.
9769         (decide_instantiations): Likewise.
9770         (scalarize_parms): Likewise.
9771         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
9772         (dsa_named_for): Likewise.
9773         * tree-ssa-structalias.c (update_alias_info): Likewise.
9774         (merge_smts_into): Likewise.
9775
9776 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
9777
9778         PR fortran/29549
9779         * doc/invoke.texi (-fcx-limited-range): Document new option.
9780         * toplev.c (process_options): Handle -fcx-fortran-rules.
9781         * common.opt: Add documentation for -fcx-fortran-rules.
9782
9783 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
9784
9785         PR c/35162
9786         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
9787         actual behaviour and C99.
9788         
9789 2008-02-26  Ben Elliston  <bje@au.ibm.com>
9790
9791         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
9792         (ASM_CPU_POWER6_SPEC): Likewise.
9793         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
9794         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
9795         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
9796
9797 2008-02-25  Richard Guenther  <rguenther@suse.de>
9798
9799         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
9800         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
9801         (lookup_decl_from_uid): Declare.
9802         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
9803         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
9804         (decl_for_uid_map): New global hashtable mapping DECL_UID
9805         to the decl tree.
9806         (init_ttree): Allocate it.
9807         (insert_decl_to_uid_decl_map): New helper function.
9808         (make_node_stat): Insert new decls into the map.
9809         (copy_node_stat): Likewise.
9810         (lookup_decl_from_uid): New function.
9811         (print_decl_for_uid_map_statistics): New helper.
9812         (dump_tree_statistics): Call it.
9813
9814         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
9815         (referenced_var_iterator): Adjust.
9816         (FOR_EACH_REFERENCED_VAR): Adjust.
9817         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
9818         (num_referenced_vars): Adjust.
9819         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
9820         (first_referenced_var): Remove.
9821         (end_referenced_vars_p): Likewise.
9822         (next_referenced_var): Likewise.
9823         (referenced_var_iterator_set): New helper function.
9824         * tree-dfa.c (referenced_var_lookup): Adjust.
9825         (referenced_var_check_and_insert): Likewise.
9826         (remove_referenced_var): Likewise.
9827         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
9828         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
9829         (verify_call_clobbering): Likewise.
9830         (verify_memory_partitions): Likewise.
9831         (init_tree_ssa): Allocate bitmap instead of hashtable for
9832         referenced_vars.
9833         (delete_tree_ssa): Adjust.
9834         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
9835         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
9836         (compute_tag_properties): Likewise.
9837         (set_initial_properties): Likewise.
9838         (find_partition_for): Likewise.
9839         (update_reference_counts): Likewise.
9840         (dump_may_aliases_for): Likewise.
9841         * tree-ssa-operands.c (add_virtual_operand): Likewise.
9842         (add_call_clobber_ops): Likewise.
9843         (add_call_read_ops): Likewise.
9844         (get_asm_expr_operands): Likewise.
9845         * tree-into-ssa.c (dump_decl_set): Likewise.
9846         (update_ssa): Likewise.
9847         * tree-sra.c (scan_function): Likewise.
9848         (decide_instantiations): Likewise.
9849         (scalarize_parms): Likewise.
9850         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
9851         (dsa_named_for): Likewise.
9852         * tree-ssa-structalias.c (update_alias_info): Likewise.
9853         (merge_smts_into): Likewise.
9854
9855 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
9856
9857         PR target/35258
9858         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
9859         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
9860         * alias.h (nonoverlapping_memrefs_p): Likewise.
9861
9862 2008-02-25  Jan Beulich  <jbeulich@novell.com>
9863
9864         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
9865         * config/i386/netware-libgcc.exp: Add __bswap?i2,
9866         __emultls_get_address, __emultls_register_common,
9867         __floatundi?f, and _Unwind_GetIPInfo.
9868         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
9869         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
9870         (gen_regparm_prefix): Likewise.
9871         (i386_nlm_encode_section_info): Sync with
9872         config/i386/winnt.c:i386_pe_encode_section_info().
9873         (i386_nlm_maybe_mangle_decl_assembler_name): New.
9874         i386_nlm_mangle_decl_assembler_name): New.
9875         (netware_override_options): New.
9876         * config/i386/netware.h (netware_override_options): Declare.
9877         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
9878         (i386_nlm_mangle_decl_assembler_name): Declare.
9879         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
9880
9881 2008-02-25  Ben Elliston  <bje@au.ibm.com>
9882
9883         PR other/32948
9884         * c-decl.c (grokdeclarator): Remove unused local variables
9885         `typedef_type' and `type_as_written'.
9886         * bb-reorder.c
9887         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
9888         unused local variable `has_hot_blocks'.
9889         (fix_crossing_conditional_branches): Remove unused local variable
9890         `prev_bb'.
9891         
9892 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
9893
9894         PR middle-end/19984
9895         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
9896         using DEF_C99_BUILTIN.
9897         (BUILT_IN_NANF): Ditto.
9898         (BUILT_IN_NANL): Ditto.
9899
9900 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
9901             Revital Eres  <eres@il.ibm.com>
9902
9903         * modulo-sched.c (calculate_must_precede_follow): Address TODO
9904         regarding the order of two dependent insns in the same row.
9905
9906 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
9907
9908         * stor-layout.c (layout_decl): Do not bump the alignment of a
9909         bit-field to more than byte alignment if it is packed.
9910
9911 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
9912
9913         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
9914         e300c2 and e300c3.
9915
9916 2008-02-24  Diego Novillo  <dnovillo@google.com>
9917
9918         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
9919
9920         PR 33738
9921         * tree-vrp.c (vrp_evaluate_conditional): With
9922         -Wtype-limits, emit a warning when comparing against a
9923         constant outside the natural range of OP0's type.
9924         * c.opt (Wtype-limits): Move ...
9925         * common.opt (Wtype-limits): ... here.
9926
9927 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
9928
9929         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
9930         * config/rs6000/e300c2c3.md: New file.
9931         * config/rs6000/rs6000.c (processor_costs): Add new costs for
9932         e300c2 and e300c3.
9933         (rs6000_override_options): Add e300c2 and e300c3 cases to
9934         processor_target_table. Do not allow usage of Altivec or Spe
9935         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
9936         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
9937         * config/rs6000/rs6000.h (processor_type): Add
9938         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
9939         (ASM_CPU_SPEC): Add e300c2 and e300c3.
9940         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
9941         and ppce300c3. Include e300c2c3.md.
9942
9943 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
9944
9945         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
9946         instead of TARGET_STRICT_ALIGN.
9947
9948 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
9949
9950         * explow.c (memory_address): Assert that the generated address is
9951         valid.
9952
9953 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
9954
9955         PR target/25477
9956         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
9957         * config/darwin-ppc-ldouble-patch.def: New file.
9958         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
9959         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
9960         SUBTARGET_INIT_BUILTINS if defined.
9961         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
9962         New functions.
9963
9964 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9965
9966         PR rtl-opt/33512
9967         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
9968         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
9969
9970 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9971
9972         PR pch/35027
9973         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
9974         file" warning condtional on -Winvalid-PCH.
9975
9976 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
9977
9978         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
9979
9980 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
9981
9982         PR target/22076
9983         PR target/34256 
9984         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
9985         prevent reload from using MMX registers.
9986         (*mov<mode>_internal): Ditto.
9987         (*movv2sf_internal_rex64): Ditto.
9988         (*movv2sf_internal): Ditto.
9989
9990 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9991
9992         PR documentation/31569
9993         * doc/install.texi2html: Use makeinfo --no-number-sections.
9994
9995 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
9996
9997         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
9998         ensure that we can address an entire entity > 8 bytes.  Don't
9999         generate reg+reg addressing for such data.
10000
10001 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
10002
10003         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
10004         strings when optimizing for size, unless the target cares about
10005         alignment.
10006
10007 2008-02-22  Tom Tromey  <tromey@redhat.com>
10008
10009         * regclass.c (current_pass): Remove declaration.
10010
10011 2008-02-22  Anatoly Sokolov <aesok@post.ru>
10012
10013         * config/avr/libgcc.S (__RAMPZ__): Define.
10014         (__do_copy_data): Add for devices with 128KB code memory.
10015
10016 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
10017
10018         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
10019         Use spe_abi.
10020         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
10021
10022 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
10023
10024         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
10025         GENNONACR_REGS.
10026
10027 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10028
10029         PR c/19999
10030         * c-typeck.c (build_binary_op): Warn about floating point
10031         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
10032
10033 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
10034
10035         PR target/34526
10036         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
10037         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
10038         add vrsave.
10039         (rs6000_override_options): Set altivec_abi as default, not override,
10040         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
10041         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
10042         is used; use new member spe_abi.
10043         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
10044         spe_abi and altivec_abi.
10045
10046 2008-02-22  Tomas Bily  <tbily@suse.cz>
10047
10048         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
10049
10050 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10051
10052         PR bootstrap/35273
10053         * config.build (build_file_translate): Set to `CMD //c' only if
10054         it works.
10055         * Makefile.in (build_file_translate): Improve comment.
10056
10057 2008-02-21  Jan Hubicka  <jh@suse.cz>
10058
10059         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
10060         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
10061         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
10062
10063 2008-02-21  Michael Matz  <matz@suse.de>
10064
10065         PR target/35264
10066         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
10067
10068 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
10069
10070         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
10071         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
10072         as insn constraint.
10073         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
10074         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
10075         SSE_VEC_FLOAT_MODE_P as insn constraint.
10076         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
10077         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
10078         sse4a_movntdf using MODEF mode iterator.
10079         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
10080         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
10081         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
10082         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
10083         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
10084         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
10085         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
10086
10087 2008-02-21  Richard Guenther  <rguenther@suse.de>
10088
10089         * tree.def (PAREN_EXPR): New tree code.
10090         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
10091         and PAREN_EXPR.
10092         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
10093         * expr.c (expand_expr_real_1): Likewise.
10094         * tree-inline.c (estimate_num_insns_1): Likewise.
10095         * tree-complex.c (expand_complex_move): Likewise.
10096         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
10097         as plain x.
10098
10099 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
10100
10101         PR target/35225
10102         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
10103
10104 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
10105
10106         PR target/35190
10107         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
10108
10109         * config/sh/sh.c (find_barrier): Don't go past
10110         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
10111
10112 2008-02-20  DJ Delorie  <dj@redhat.com>
10113
10114         * config/h8300/h8300.md (insv): Force source operand to be a register.
10115
10116         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
10117         as a jump, not as a plain insn.
10118         
10119 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
10120
10121         * doc/invoke.texi (Warning Options): Add new option
10122         -Wframe-larger-than=.
10123         (-Wframe-larger-than): Document.
10124
10125         * flags.h (warn_frame_larger_than, frame_larger_than_size):
10126         Add declarations for new option variables.
10127
10128         * final.c (final_start_function): Check the frame size
10129         before emission and issue a Wframe-larger-than warning.
10130
10131         * opts.c (warn_frame_larger_than, frame_larger_than_size):
10132         Add definitions for new option variables.
10133         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
10134
10135         * common.opt (Wframe-larger-than=): New option.
10136
10137 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
10138
10139         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
10140         (<sse>_div<mode>3): Ditto.
10141         (<sse>_vmdiv<mode>3): Ditto.
10142         (<sse>_vmsqrt<mode>2): Ditto.
10143         (*smax<mode>3): Ditto.
10144         (sse5_frcz<mode>2): Ditto.
10145         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
10146         as insn constraint.
10147
10148 2008-02-20  Richard Guenther  <rguenther@suse.de>
10149
10150         PR middle-end/35265
10151         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
10152         be happy with INTEGRAL_TYPE_P.
10153
10154 2008-02-20  Richard Guenther  <rguenther@suse.de>
10155
10156         * fold-const.c (split_tree): Associate floatig-point expressions
10157         if flag_associative_math is set.
10158
10159 2008-02-20  Richard Guenther  <rguenther@suse.de>
10160
10161         * tree.h (fold_real_zero_addition_p): Declare.
10162         * fold-const.c (fold_real_zero_addition_p): Export.
10163         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
10164         floating-point operations with zero and one.
10165
10166 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
10167
10168         * doc/install.texi: Correct references to CFLAGS, replacing them
10169         with BOOT_CFLAGS.  Document flags used during bootstrap for
10170         target libraries.
10171                                 
10172 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
10173
10174         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
10175         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
10176         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
10177         insn constraint.
10178         (smin<mode>3): Ditto from similar patterns.
10179         (smax<mode>3): Ditto.
10180         (*ieee_smin<mode>3): Ditto.
10181         (*ieee_smax<mode>3): Ditto.
10182         * config/i386/sse.md (sse): New mode attribute.
10183         (mov<mode>): Macroize expander from movv4sf and movv2df using
10184         SSEMODEF2P mode iterator.
10185         (<sse>_movnt<mode>): Ditto from similar patterns. Use
10186         SSE_VEC_FLOAT_MODE_P as insn constraint.
10187         (storent<mode>): Ditto.
10188         (storent<mode>): Macroize expander from storentsf and storentdf using
10189         MODEF mode iterator.
10190         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
10191         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
10192         (abs<mode>2): Ditto from similar patterns.
10193         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
10194         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
10195         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
10196         (<sse>_vmsqrt<mode>2): Ditto.
10197         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
10198         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
10199         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
10200         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
10201         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
10202         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
10203         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
10204         insn constraint.
10205         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
10206         iterator and SSE_FLOAT_MODE_P as insn constraint.
10207         (<sse>_ucomi): Ditto from similar patterns.
10208         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
10209         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
10210         SSE_VEC_FLOAT_MODE_P as insn constraint.
10211         (vcond<mode>): Ditto from similar patterns.
10212         (and<mode>3, *and<mode>3): Ditto.
10213         (<sse>_nand<mode>3): Ditto.
10214         (ior<mode>3, *ior<mode>3): Ditto.
10215         (xor<mode>3, *xor<mode>3): Ditto.
10216         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
10217         iterator and SSE_FLOAT_MODE_P as insn constraint.
10218         (*nand<mode>3): Ditto from similar patterns.
10219         (*ior<mode>3): Ditto.
10220         (*xor<mode>3): Ditto.
10221
10222 2008-02-20  Ira Rosen  <irar@il.ibm.com>
10223
10224         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
10225         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
10226         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
10227
10228 2008-02-19  Jan Hubicka  <jh@suse.cz>
10229
10230         * predict.c (tree_bb_level_predictions): Remove variable next
10231         mistakely introduced by previous commit.
10232
10233 2008-02-19  Jan Hubicka  <jh@suse.cz>
10234
10235         * predict.c (predict_paths_leading_to): Rewrite.
10236         (predict_paths_for_bb): New.
10237         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
10238
10239 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10240
10241         PR bootstrap/35218
10242         * Makefile.in (build_file_translate): New.
10243         (gcc-vers.texi): Use it for translating $(abs_srcdir).
10244         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
10245         * configure.ac (build_file_translate): Substitute it.
10246         * configure: Regenerate.
10247
10248 2008-02-19  Jan Hubicka  <jh@suse.cz>
10249
10250         PR rtl-optimization/34408
10251         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
10252         invalid sharing.
10253
10254 2008-02-19  Jan Hubicka  <jh@suse.cz>
10255
10256         PR middle-end/28779
10257         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
10258         call_expr.
10259
10260 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
10261
10262         PR Ada/35186
10263         * config/i386/i386-modes.def: Revert the last DI alignment
10264         change until Ada people can look into it.
10265
10266 2008-02-19  Nick Clifton  <nickc@redhat.com>
10267
10268         * opts.c (print_specific_help): Fix typo in --help text.
10269
10270 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
10271
10272         PR target/35239
10273         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
10274         32-bit inline asm without asm alternatives for host GCC < 3.0.
10275
10276 2008-02-19  Richard Guenther  <rguenther@suse.de>
10277
10278         PR tree-optimization/34989
10279         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
10280         Allow propagation to INDIRECT_REF if we can simplify only.
10281
10282 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10283
10284         * c-common.c (warn_for_collisions_1): Use appropriate option when
10285         warning.
10286
10287 2008-02-19  Nick Clifton  <nickc@redhat.com>
10288
10289         PR other/31349
10290         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
10291         (handle_options): Fix indentation.
10292         (print_filtered_help): If no language-specific options were
10293         displayed tell the user how to list all the options supported by
10294         the language's front-end.
10295         (print_specific_help): Fix indentation and remove duplicate line.
10296         (common_handle_option): Handle the -v option.
10297         For --help enable the display of undocumented options if the -v
10298         switch has been included on the command line.
10299         For --help= check for overlaps in the arguments between the option
10300         classes and the language names and issue a warning when they
10301         cannot be disambiguated.
10302         * c.opt (v): Pass on to the common option handler.
10303
10304 2008-02-19  Revital Eres  <eres@il.ibm.com> 
10305
10306         * modulo-sched.c (sms_schedule): Change dump message when
10307         create_ddg function fails.
10308         (try_scheduling_node_in_cycle): Rename row to cycle.
10309         (print_partial_schedule): Rename CYCLE to ROW.
10310
10311 2008-02-19  Christian Bruel  <christian.bruel@st.com>
10312             Zdenek Dvorak  <ook@ucw.cz>
10313
10314         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
10315
10316 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
10317
10318         PR target/33555
10319         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
10320         (*x86_movdicc_0_m1_se): Ditto.
10321
10322 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
10323
10324         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
10325         (CMPtype): Define as __gcc_CMPtype.
10326         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
10327         (CMPtype): Define as __gcc_CMPtype.
10328
10329 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
10330
10331         Support valgrind 3.3 for --enable-checking=valgrind.
10332         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
10333         here.
10334         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
10335         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
10336         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
10337         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
10338         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
10339         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
10340         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
10341         respectively.
10342         * ggc-zone.c: Similar.
10343         * ggc-page.c: Similar.
10344
10345 2008-02-19  Paul Brook  <paul@codesourcery.com>
10346
10347         PR target/35071
10348         * config/arm/ieee754-df.S: Fix do_it typo.
10349         * config/arm/ieee754-sf.S: Fix do_it typo.
10350
10351 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
10352
10353         PR target/35189
10354         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
10355         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
10356         (OPTION_MASK_ISA_SSE_SET): Likewise.
10357         (OPTION_MASK_ISA_SSE2_SET): Likewise.
10358         (OPTION_MASK_ISA_SSE3_SET): Likewise.
10359         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
10360         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
10361         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
10362         (OPTION_MASK_ISA_SSE4_SET): Likewise.
10363         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
10364         (OPTION_MASK_ISA_SSE5_SET): Likewise.
10365         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
10366         (OPTION_MASK_ISA_MMX_UNSET): Updated.
10367         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
10368         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
10369         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
10370         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
10371         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
10372         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
10373         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
10374         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
10375         (OPTION_MASK_ISA_SSE4): Removed.
10376         (ix86_handle_option): Turn on bits in ix86_isa_flags and
10377         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
10378         (override_options): Don't turn on implied SSE/MMX bits in
10379         ix86_isa_flags.
10380
10381 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
10382
10383         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
10384         32bit host.
10385
10386 2008-02-18  Joey Ye  <joey.ye@intel.com>
10387
10388         PR middle-end/34921
10389         * tree-nested.c (insert_field_into_struct): Set type alignment
10390         to field alignment if the former is less than the latter.
10391
10392 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
10393
10394         * BASE-VER: Set to 4.4.0.
10395
10396 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
10397
10398         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
10399         * doc/cfg.texi: Likewise.
10400         * doc/extend.texi: Likewise.
10401         * doc/gty.texi: Likewise.
10402         * doc/invoke.texi: Likewise.
10403         * doc/loop.texi: Likewise.
10404         * doc/md.texi: Likewise.
10405         * doc/passes.texi: Likewise.
10406         * doc/rtl.texi: Likewise.
10407         * doc/sourcebuild.texi: Likewise.
10408         * doc/tm.texi: Likewise.
10409         * doc/tree-ssa.texi: Likewise.
10410
10411 2008-02-17  Richard Guenther  <rguenther@suse.de>
10412
10413         PR middle-end/35227
10414         * tree-complex.c (init_parameter_lattice_values): Handle parameters
10415         without default definition.
10416
10417 2008-02-17  Richard Guenther  <rguenther@suse.de>
10418
10419         PR tree-optimization/35231
10420         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
10421         if A | B != 1.
10422
10423 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
10424
10425         Revert:
10426         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>    
10427         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
10428         libgcc_cmp_return mode.
10429
10430 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10431
10432         PR c/28368
10433         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
10434
10435 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
10436
10437         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
10438         multilibs.
10439
10440 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10441
10442         * doc/c-tree.texi: Use `@.' where appropriate.
10443         * doc/extend.texi: Likewise.
10444         * doc/install.texi: Likewise.
10445         * doc/invoke.texi: Likewise.
10446         * doc/loop.texi: Likewise.
10447         * doc/makefile.texi: Likewise.
10448         * doc/md.texi: Likewise.
10449         * doc/passes.texi: Likewise.
10450         * doc/standards.texi: Likewise.
10451         * doc/tm.texi: Likewise.
10452
10453 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
10454
10455         PR middle-end/35196
10456         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
10457         in entry_bb.
10458         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
10459         rather than in entry_bb.
10460
10461 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
10462
10463         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
10464         libgcc_cmp_return mode.
10465
10466 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
10467
10468         PR middle-end/35130
10469         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
10470         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
10471
10472 2008-02-15  Richard Guenther  <rguenther@suse.de>
10473             Zdenek Dvorak  <ook@ucw.cz>
10474
10475         PR tree-optimization/35164
10476         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
10477         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
10478         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
10479         Only propagate addresses which do not have abnormal SSA_NAMEs
10480         in their operands.
10481
10482 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
10483
10484         PR target/35088
10485         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
10486
10487 2008-02-15  Jan Hubicka  <jh@suse.cz>
10488
10489         PR middle-end/35149
10490         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
10491
10492 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
10493
10494         PR middle-end/34621
10495         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
10496         when calculating alignment_pad.
10497
10498 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
10499
10500         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
10501         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
10502         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
10503         and STACK_BOUNDARY define.
10504
10505 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
10506
10507         PR preprocessor/35061
10508         * c-pragma.c (handle_pragma_pop_macro): Check that
10509         pushed_macro_table has been allocated.
10510
10511 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
10512
10513         PR middle-end/35136
10514         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
10515         (force_gimple_operand): Likewise.
10516         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
10517         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
10518         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
10519         (find_interesting_uses_address): Check addressability and alignment
10520         of the base expression only after substituting bases of IVs into it.
10521
10522 2008-02-14  Michael Matz  <matz@suse.de>
10523
10524         PR target/34930
10525         * function.c (instantiate_virtual_regs_in_insn): Reload address
10526         before falling back to reloading the whole operand.
10527
10528 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
10529
10530         * config/s390/s390.c (s390_mainpool_start): Emit the pool
10531         before the first section switch note.
10532
10533 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
10534
10535         * doc/bugreport.texi: Update copyright years.
10536         * doc/c-tree.texi: Likewise.
10537         * doc/cfg.texi: Likewise.
10538         * doc/cpp.texi: Likewise.
10539         * doc/cppinternals.texi: Likewise.
10540         * doc/fragments.texi: Likewise.
10541         * doc/frontends.texi: Likewise.
10542         * doc/gcc.texi: Likewise.
10543         * doc/gty.texi: Likewise.
10544         * doc/hostconfig.texi: Likewise.
10545         * doc/implement-c.texi: Likewise.
10546         * doc/libgcc.texi: Likewise.
10547         * doc/loop.texi: Likewise.
10548         * doc/makefile.texi: Likewise.
10549         * doc/options.texi: Likewise.
10550         * doc/passes.texi: Likewise.
10551         * doc/rtl.texi: Likewise.
10552         * doc/sourcebuild.texi: Likewise.
10553         * doc/standards.texi: Likewise.
10554         * doc/tree-ssa.texi: Likewise.
10555         * doc/trouble.texi: Likewise.
10556
10557         * doc/extend.texi: Use @: or add comma where appropriate.
10558         * doc/invoke.texi: Likewise.
10559         * doc/tm.texi: Likewise.
10560
10561 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
10562
10563         PR target/34393
10564         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
10565         to a reg.
10566
10567 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
10568
10569         * doc/md.texi (clz, ctz): Add reference.
10570         * doc/rtl.texi (clz, ctz): Likewise.
10571
10572 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10573
10574         PR other/35148
10575         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
10576         srcdir.
10577
10578 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
10579
10580         * config/s390/s390.c (struct constant_pool): New field
10581         emit_pool_after added.
10582         (s390_mainpool_start): Set the emit_pool_after flag according
10583         to the section switch notes.
10584         (s390_mainpool_finish): Consider emit_pool_after when emitting
10585         the literal pool at the end of the function.
10586         (s390_chunkify_start): Force literal pool splits at section
10587         switch notes.
10588
10589 2008-02-13  Michael Matz  <matz@suse.de>
10590
10591         PR debug/35065
10592         * var-tracking.c (clobber_variable_part): Correctly traverse the
10593         list.
10594
10595 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10596
10597         PR 29673
10598         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
10599         Add -fdump-ipa-inline.
10600         * tree-dump.c (dump_files): Remove tree-inlined dump.
10601         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
10602         
10603 2008-02-12  Richard Guenther  <rguenther@suse.de>
10604
10605         PR tree-optimization/35171
10606         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
10607         default defs.
10608
10609 2008-02-12  Richard Guenther  <rguenther@suse.de>
10610
10611         PR middle-end/35163
10612         * fold-const.c (fold_widened_comparison): Use get_unwidened in
10613         value-preserving mode.  Disallow final truncation.
10614
10615 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
10616
10617         PR middle-end/35136
10618         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
10619         code from here to...
10620         (force_gimple_operand): ...here.
10621
10622 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
10623
10624         PR c++/35144
10625         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
10626         non-compatible pointers.
10627         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
10628         different FIELD_DECLs, try harder by comparing field offsets, sizes
10629         and types.
10630
10631         PR inline-asm/35160
10632         * function.c (match_asm_constraints_1): Don't replace the same input
10633         multiple times.
10634
10635 2008-02-12  Anatoly Sokolov <aesok@post.ru>
10636
10637         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
10638         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
10639         (expand_epilogue): Restore RAMPZ register.
10640         * config/avr/avr.md (RAMPZ_ADDR): New constant.
10641
10642 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
10643
10644         * config/i386/cygwin.asm: (__alloca): Correct calling
10645         convention and alignment.
10646         (__chkstk): Force 8 byte stack alignment.
10647
10648 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
10649             Richard Guenther  <rguenther@suse.de>
10650
10651         PR tree-optimization/33992
10652         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
10653         the zero we compare against.
10654
10655 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
10656
10657         PR libfortran/35063
10658         * gthr-win32.h (__gthread_mutex_destroy_function): New function
10659         to CloseHandle after unlocking to prevent accumulation of handle
10660         count.
10661
10662 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10663
10664         PR middle_end/34150
10665         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
10666         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
10667         and update LABEL_NUSES during and after reload.
10668
10669 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
10670
10671         PR middle-end/34627
10672         * combine.c (simplify_if_then_else): Make sure the comparison is
10673         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
10674
10675 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
10676
10677         PR bootstrap/35051
10678         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
10679         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
10680         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
10681         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
10682         * tree.h (get_type_static_bounds): Likewise.
10683
10684 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10685
10686         * doc/invoke.texi (Option Summary, C++ Dialect Options)
10687         (Objective-C and Objective-C++ Dialect Options, Warning Options):
10688         Make -Wfoo language annotations match what the compiler outputs.
10689
10690 2008-02-08  Sa Liu  <saliu@de.ibm.com>
10691
10692         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu 
10693         intrinsics spu_convts, spu_convtu, spu_convtf.
10694
10695 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
10696
10697         * doc/extend.texi (Function Attributes) <noinline>: Mention
10698         asm ("") as method to keep calls.
10699
10700 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10701
10702         PR other/32754
10703         * doc/options.texi (Options): Replace references to opts.sh with
10704         optc-gen.awk.
10705         * opts-common.c: Likewise.
10706         * optc-gen.awk: Likewise.
10707         
10708 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
10709
10710         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
10711
10712 2008-02-07  Richard Henderson  <rth@redhat.com>
10713
10714         PR rtl-opt/33410
10715         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
10716         EXPR_LIST for the REG_EQUAL instead of a comparison with a 
10717         funny mode.
10718
10719 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
10720
10721         PR tree-optimization/35085
10722         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
10723         for operand entry oe2 in addition to operand entry oe3 in order to
10724         expose more opportunities for vectorizer sum reduction.
10725
10726 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10727
10728         PR other/35107
10729         * Makefile.in (LIBS): Remove $(GMPLIBS).
10730         (cc1-dummy, cc1): Add $(GMPLIBS).
10731
10732 2008-02-06  Jan Hubicka  <jh@suse.cz>
10733
10734         PR target/23322
10735         * i386.md (moddf_integer): Do not produce partial memory stalls for
10736         targets where it hurts.
10737
10738 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
10739
10740         PR target/35083
10741         * optabs.c (expand_float): Do not check for decimal modes when
10742         expanding unsigned integer through signed conversion.
10743
10744 2008-02-06  Nick Clifton  <nickc@redhat.com>
10745
10746         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
10747         inside the clobber with a match_operand and duplicated operand
10748         number in the constraint.
10749         (ineqbranchsi): Delete redundant comment.
10750
10751 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
10752
10753         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add 
10754         builtin_define ("__USE_INIT_FINI__").
10755         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
10756         -msx multilibs.
10757         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
10758
10759 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10760
10761         PR documentation/30330
10762         * doc/invoke.texi (C++ Dialect Options)
10763         (Objective-C and Objective-C++ Dialect Options, Warning Options):
10764         For each warning option -Wfoo that allows -Wno-foo, ensure both
10765         -Wfoo and -Wno-foo are listed in the option index.  Fix index
10766         entry of -Wswitch-default, index -Wnormalized= including the
10767         `=', and -Wlarger-than-@var{len} including @var{len}.
10768
10769 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
10770
10771         * config/i386/i386.md (floatunssisf2): Use
10772         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
10773         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
10774         Macroize expander using MODEF mode iterator.
10775
10776 2008-02-05  Diego Novillo  <dnovillo@google.com>
10777
10778         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
10779
10780         PR 33738
10781         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
10782
10783 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10784
10785         PR other/35070
10786         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
10787
10788 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
10789
10790         PR target/35084
10791         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
10792         to indicate if a message should be generated.
10793         (init_cumulative_args): Updated.
10794         (function_value_32): Likewise.
10795
10796 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
10797
10798         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
10799
10800 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
10801
10802         PR target/35083
10803         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
10804         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
10805
10806 2008-02-04  Diego Novillo  <dnovillo@google.com>
10807
10808         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
10809
10810         PR 33738
10811         * tree-vrp.c (vrp_evaluate_conditional): With
10812         -Wtype-limits, emit a warning when comparing against a
10813         constant outside the natural range of OP0's type.
10814
10815 2008-02-04  Richard Guenther  <rguenther@suse.de>
10816
10817         PR middle-end/33631
10818         * expr.c (count_type_elements): Give for unions instead of
10819         guessing.
10820
10821 2008-02-04  Richard Guenther  <rguenther@suse.de>
10822
10823         PR middle-end/35043
10824         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
10825         to TYPE_DOMAINs base type instead of using bitsizetype here.
10826
10827 2008-02-03  Jason Merrill  <jason@redhat.com>
10828
10829         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
10830
10831 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10832
10833         PR other/29972
10834         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
10835         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
10836         (RS/6000 and PowerPC Options): Fix typos and markup.
10837         * doc/passes.texi (Tree-SSA passes): Likewise.
10838
10839 2008-02-02  Michael Matz  <matz@suse.de>
10840
10841         PR target/35045
10842         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
10843         from record_last_reg_set_info.
10844         (record_last_reg_set_info): Take an RTX argument, iterate over all
10845         constituent hardregs.
10846         (record_last_set_info, record_opr_changes): Change calls to
10847         new signature or to record_last_reg_set_info_regno.
10848
10849 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
10850
10851         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
10852
10853 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
10854
10855         PR rtl-optimization/34773
10856         * reg-notes.def (EQUAL): Mention significance of combination of
10857         REG_EQUAL and REG_RETVAL.
10858         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
10859         insn that has a REG_RETVAL.
10860
10861 2008-02-01  Roger Sayle  <roger@eyesopen.com>
10862
10863         PR bootstrap/33781
10864         * configure.ac (--enable-fixed-point): Disable unless explicitly
10865         requested on IRIX.
10866         * configure: Regenerate.
10867
10868 2008-02-01  Richard Guenther  <rguenther@suse.de>
10869
10870         PR other/35042
10871         * invoke.texi (-finline-limit): Remove no longer true parts
10872         of the documentation.  Note that there is no default value.
10873
10874 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
10875             Mark Mitchell  <mark@codesourcery.com>
10876             Ben Elliston  <bje@au.ibm.com>
10877
10878         PR c/29326
10879         * doc/extend.texi (Other Builtins): Document.
10880
10881 2008-01-31  Tom Browder <tom.browder@gmail.com>
10882
10883         * doc/c-tree.texi (Types): Fix grammar.
10884         (Expression trees): Ditto.
10885         * doc/passes.texi (Tree-SSA passes): Ditto.
10886         
10887         * doc/configterms.texi (Configure Terms): Fix typo.
10888         * doc/cpp.texi (Common Predefined Macros): Ditto.
10889         * doc/md.texi (Machine Constraints): Ditto.
10890         
10891         * doc/makefile.texi (Makefile): Add comma.
10892
10893 2008-01-31  Tom Browder  <tom.browder@gmail.com>
10894             Gerald Pfeifer  <gerald@pfeifer.com>
10895         
10896         * doc/sourcebuild.texi (Front End): Remove references to CVS
10897         and CVSROOT/modules.
10898         (Texinfo Manuals): Replace reference to CVS by one to SVN.
10899         (Back End): Remove reference to CVS.
10900
10901 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
10902
10903         PR target/34900
10904         * config/mips/mips.c (gen_load_const_gp): New function, taking a
10905         comment from...
10906         (mips16_gp_pseudo_reg): ...here.
10907         * config/mips/mips.md (load_const_gp): Replace with...
10908         (load_const_gp_<mode>): ...this :P-based insn.
10909
10910 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10911
10912         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
10913         options. Minor fixes.
10914         (-std): Move reference to standards closer to where language
10915         standards are first mentioned.
10916         
10917 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
10918
10919         PR rtl-optimization/34995
10920         * reload.c (alternative_allows_const_pool_ref): Take an rtx
10921         parameter and return a bool.  If the rtx parameter is nonnull,
10922         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
10923         (find_reloads): Update call accordingly.  Pass the new operand
10924         if it needed no address reloads, otherwise pass null.
10925
10926 2008-01-30  Richard Henderson  <rth@redhat.com>
10927
10928         PR c/34993
10929         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
10930         for unbounded arrays.
10931
10932 2008-01-30  Silvius Rus  <rus@google.com>
10933
10934         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
10935
10936 2008-01-30  Jan Hubicka  <jh@suse.cz>
10937
10938         PR target/34982
10939         * i386.c (init_cumulative_args): Use real function declaration when
10940         calling locally.
10941
10942 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
10943
10944         PR rtl-optimization/34998
10945         * global.c (build_insn_chain): Treat non-subreg_lowpart
10946         SUBREGs of pseudos as clobbering all the words covered by the
10947         SUBREG, not just all the bytes.
10948         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
10949         original df_ref rather than an extract parameter.
10950         (global_conflicts): Update call accordingly.
10951
10952 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
10953
10954         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
10955         the overflow check to make it easier to read.
10956         (__fixtfdi): Change the type of the ll member in union
10957         long_double to UDItype_x.
10958
10959 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
10960
10961         PR middle-end/34969
10962         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
10963         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
10964         * tree-inline.c (fold_marked_statements): Call
10965         cgraph_update_edges_for_call_stmt if folding a call statement.
10966         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
10967         debug_generic_stmt calls, reset it back afterwards.
10968
10969         PR c/35017
10970         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
10971         static decls.
10972         * c-typeck.c (build_external_ref): Don't pedwarn about
10973         static vars in current function's scope.
10974
10975 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
10976
10977         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
10978
10979 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
10980
10981         PR c/35002
10982         * ipa-struct-reorg.c: Fix spelling.
10983         * params.def: Ditto.
10984
10985 2008-01-29  Richard Guenther  <rguenther@suse.de>
10986
10987         PR middle-end/35006
10988         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
10989         field.
10990         * tree-inline.c (remap_type): Increment remapping_type_depth
10991         around remapping types.
10992         (copy_body_r): Only add referenced variables if they are referenced
10993         from code, not types.
10994
10995 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
10996
10997         PR c++/34055
10998         PR c++/34103
10999         PR c++/34219
11000         PR c++/34606
11001         PR c++/34753
11002         PR c++/34754
11003         PR c++/34755
11004         PR c++/34919
11005         PR c++/34961
11006         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
11007         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
11008
11009 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
11010
11011         PR target/34412
11012         * config/avr/avr.c (expand_prologue): Use correct QI mode frame 
11013         pointer for tiny stack.
11014
11015 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
11016
11017         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
11018
11019 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
11020
11021         * config/vx-common.h: Fix typo in comment.
11022
11023 2008-01-28  Ian Lance Taylor  <iant@google.com>
11024
11025         PR c++/34862
11026         PR c++/33407
11027         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
11028         coalesce pointers if they have different DECL_NO_TBAA_P values.
11029         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
11030         between variables with different DECL_NO_TBAA_P values.
11031
11032 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
11033
11034         PR 31535
11035         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
11036         are not legitimate small data references on SPE targets.
11037
11038 2008-01-28  David Daney  <ddaney@avtrex.com>
11039
11040         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
11041
11042 2008-01-28  David Daney  <ddaney@avtrex.com>
11043
11044         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
11045
11046 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
11047
11048         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
11049         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
11050         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
11051         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
11052         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
11053         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
11054         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
11055         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
11056
11057 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
11058
11059         * basic-block.h (condjump_equiv_p): Fix comment.
11060
11061 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
11062
11063         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
11064         print_generic_stmt_indented): Fix comment.
11065
11066 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
11067
11068         * configure.ac (__stack_chk_fail): Add detecion for availability
11069         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
11070         * configure: Regenerate.
11071
11072 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
11073
11074         PR middle-end/34688
11075         * final.c (output_addr_const): Handle TRUNCATE.
11076
11077 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
11078
11079         PR target/34711
11080         * tree-ssa-loop-ivopts.c (comp_cost): New type.
11081         (zero_cost, infinite_cost): New constants.
11082         (struct cost_pair): Change type of cost to comp_cost.
11083         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
11084         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
11085         New functions.
11086         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
11087         split_address_cost, ptr_difference_cost, difference_cost,
11088         get_computation_cost_at, get_computation_cost,
11089         determine_use_iv_cost_generic, determine_use_iv_cost_address,
11090         determine_use_iv_cost_condition, determine_use_iv_costs,
11091         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
11092         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
11093         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
11094         Change type of cost to comp_cost.
11095         (determine_iv_cost): Increase cost of non-original ivs, instead
11096         of decreasing the cost of original ones.
11097         (get_address_cost): Indicate the complexity of the addressing mode 
11098         in comp_cost.
11099         (try_add_cand_for): Prefer using ivs not specific to some object.
11100         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
11101
11102 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
11103             Janis Johnson  <janis187@us.ibm.com>
11104
11105         PR target/34814
11106         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
11107         (TARGET_INSTANTIATE_DECLS): Likewise.
11108         * target.h (expand_to_rtl_hook): New target hook.
11109         (instantiate_decls): Likewise.
11110         * function.c (instantiate_decl): Make non-static.  Rename to...
11111         (instantiate_decl_rtl): ... this.
11112         (instantiate_expr): Use instantiate_decl_rtl.
11113         (instantiate_decls_1): Likewise.
11114         (instantiate_decls): Likewise.
11115         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
11116         * function.h (instantiate_decl_rtl): Add prototype.
11117         * cfgexpand.c (target.h): New include.
11118         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
11119         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
11120         (TARGET_INSTANTIATE_DECLS): Likewise.
11121         (TARGET_INITIALIZER): New target hooks added.
11122         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
11123         New prototype.
11124         * config/rs6000/rs6000.c (tree-flow.h): New include.
11125         (machine_function): Add sdmode_stack_slot field.
11126         (rs6000_alloc_sdmode_stack_slot): New function.
11127         (rs6000_instantiate_decls): Likewise.
11128         (rs6000_secondary_memory_needed_rtx): Likewise.
11129         (rs6000_check_sdmode): Likewise.
11130         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
11131         (TARGET_INSTANTIATE_DECLS): Likewise.
11132         (rs6000_hard_regno_mode_ok): Allow SDmode.
11133         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
11134         (rs6000_emit_move): Handle SDmode.
11135         (function_arg_advance): Likewise.
11136         (function_arg): Likewise.
11137         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
11138         SDmode var args for 32-bit compiles.
11139         (rs6000_secondary_reload_class): Handle SDmode.
11140         (rs6000_output_function_epilogue): Likewise.
11141         (rs6000_function_value): Simplify if statement.
11142         (rs6000_libcall_value): Likewise.
11143         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
11144         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
11145         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
11146         (movsd_hardfloat): New define_insn.
11147         (movsd_softfloat): Likewise.
11148         (movsd_store): Likewise.
11149         (movsd_load): Likewise.
11150         (extendsddd2): Likewise.
11151         (extendsdtd2): Likewise.
11152         (truncddsd2): Likewise.
11153         (movdd_hardfloat64): Fixup comment.
11154         (UNSPEC_MOVSD_LOAD): New constant.
11155         (UNSPEC_MOVSD_STORE): Likewise.
11156
11157 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
11158
11159         PR c++/34965
11160         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
11161         TRUTH_XOR_EXPR.
11162         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
11163         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
11164         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
11165         and TRUTH_XOR_EXPR.
11166
11167 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
11168
11169         PR target/34794
11170         * config.gcc: Separate AIX 5.3 from AIX 6.1.
11171         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
11172         __LONGDOUBLE128 too.
11173         * config/rs6000/aix61.h: New file.
11174
11175 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
11176
11177         PR rtl-optimization/34959
11178         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
11179         popcount and parity rtxes the same mode as their operand.
11180         Truncate or extend the result to the return value's mode
11181         if necessary.
11182
11183 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
11184
11185         PR target/34981
11186         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
11187         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
11188         to GOT_VERSION_REGNUM.
11189         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
11190         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
11191         * config/mips/mips.c (mips_emit_call_insn): New function.
11192         (mips_call_tls_get_addr): Call mips_expand_call directly.
11193         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
11194         emit_call_insn.
11195         (mips16_build_call_stub): Likewise.  Return the call insn or null.
11196         (mips_expand_call): Update the call to mips16_build_call_stub
11197         accordingly and a remove redundant condition.  Assert that MIPS16
11198         stubs do not use lazy binding.  Use mips_emit_call_insn and return
11199         the call insn.
11200         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
11201         TARGET_USE_GOT.
11202         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
11203         (mips_avoid_hazard): Remove hazard_set handling.
11204         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
11205         (UNSPEC_RESTORE_GP): ...this.
11206         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
11207         (FAKE_CALL_REGNO): Rename to...
11208         (GOT_VERSION_REGNUM): ...this.
11209         (type): Add "ghost" value.  Add an associated insn reservation.
11210         (hazard_set): Remove.
11211         (exception_receiver): Rename to...
11212         (restore_gp): ...this and update the unspec identifier accordingly.
11213         (exception_receiver, nonlocal_got_receiver): New expanders.
11214         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
11215         FAKE_CALL_REGNO.  Remove hazard_set attribute.
11216         (set_got_version, update_got_version): New patterns.
11217
11218 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
11219
11220         PR target/34970
11221         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
11222
11223 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
11224
11225         PR other/31955
11226         * doc/install.texi2html: Generate gcc-vers.texi.
11227
11228 2008-01-25  DJ Delorie  <dj@redhat.com>
11229
11230         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
11231
11232 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
11233
11234         * config/c4x: Remove directory.
11235         * config.gcc (crx-*, mt-*): Mark obsolete.
11236         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
11237         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
11238         sh-*-rtemscoff*): Remove cases.
11239         * defaults.h (C4X_FLOAT_FORMAT): Remove.
11240         * real.c (encode_c4x_single, decode_c4x_single,
11241         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
11242         c4x_extended_format): Remove.
11243         * real.h (c4x_single_format, c4x_extended_format): Remove.
11244         * doc/extend.texi (interrupt, naked): Remove mention of attributes
11245         on C4x.
11246         (Pragmas): Remove comment about c4x pragmas.
11247         * doc/install.texi (c4x): Remove target-specific instructions.
11248         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
11249         * doc/md.texi (Machine Constraints): Remove C4x documentation.
11250         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
11251         refer to C4x source files as examples.
11252         (C4X_FLOAT_FORMAT): Remove documentation.
11253
11254 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
11255
11256         * config/bfin/bfin.c (override_options): Reorder tests so that
11257         flag_pic gets enabled for -msep-data.
11258
11259 2008-01-25  Richard Guenther  <rguenther@suse.de>
11260
11261         PR middle-end/32244
11262         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
11263         to its bitfield precision if required.
11264
11265 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
11266
11267         PR middle-end/33880
11268         * tree-nested.c (walk_omp_for): New function.
11269         (convert_nonlocal_reference, convert_local_reference): Call
11270         walk_omp_for on OMP_FOR.
11271         (convert_call_expr): Call walk_body on OMP_FOR's
11272         OMP_FOR_PRE_INIT_BODY.
11273
11274 2008-01-25  Richard Guenther  <rguenther@suse.de>
11275
11276         PR tree-optimization/34966
11277         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
11278         default defs and PHI_NODEs we have to insert after the
11279         defining statement.
11280
11281 2008-01-24  Nick Clifton  <nickc@redhat.com>
11282
11283         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
11284         Provide a default definition.
11285         (LIBGCC2_UNITS_PER_WORD): Likewise.
11286
11287         * config/stormy16/stormy16.c: Include df.h for the prototype
11288         for df_regs_ever_live_p.
11289         (xstormy16_expand_builtin_va_start): Convert the stack offset
11290         into a component_ref and then use POINTER_PLUS_EXPR to add it
11291         to the incoming_virtual_args_rtx.
11292         (xstormy16_gimplify_va_arg_expr): Rename to
11293         xstormy16_gimplify_va_arg_expr.
11294         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
11295         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
11296         xstormy16_gimplify_va_arg_expr.
11297         Fix up some formatting issues.
11298
11299         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
11300         Move to predicates.md.
11301         (xs_hi_general_operand): Likewise.
11302         (xs_hi_nonmemory_operand): Likewise.
11303         * config/stormy16/predicates.md:
11304         (xstormy16_carry_plus_operand): New predicate.
11305         (xs_hi_general_operand): New predicate.
11306         (xs_hi_nonmemory_operand): New predicate.
11307         * config/stormy16/stormy16-protos.h:
11308         (xstormy16_carry_plus_operand): Delete prototype.
11309         (xs_hi_general_operand): Likewise.
11310         (xs_hi_nonmemory_operand): Likewise.
11311
11312         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
11313         modifiers as they are no longer needed and they can trigger
11314         reload spill failures.
11315
11316         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
11317         with a match_operand in order to help reload.
11318
11319         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
11320         constraint with 'e' for the 8th alternative as this version of
11321         the mov.w instruction only accepts the lower 8 registers.
11322
11323 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
11324
11325         PR target/34856
11326         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
11327         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
11328         vector elements.
11329
11330 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
11331
11332         PR middle-end/33333
11333         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
11334
11335 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
11336
11337         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
11338         New functions.
11339         (remove_structure): Update allocations list before removing structure.
11340         
11341 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
11342
11343         * ipa-struct-reorg.c (is_safe_cond_expr, 
11344         create_new_stmts_for_cond_expr): Use integer_zerop function,
11345         that recognize not only zero-pointer, but zero-integer too.
11346
11347 2008-01-25  Ben Elliston  <bje@au.ibm.com>
11348
11349         PR other/22232
11350         * fixproto: Escape "." in sed expression that strips leading "./".
11351
11352 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
11353
11354         PR driver/34904
11355         * gcc.c (SWITCH_OK): Removed.
11356         (SWITCH_LIVE): Changed to bit.
11357         (SWITCH_FALSE): Likewise.
11358         (SWITCH_IGNORE): Likewise.
11359         (switchstr): Change live_cond to unsigned int.
11360         (process_command): Replace SWITCH_OK with 0.
11361         (do_self_spec): Likewise.
11362         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
11363         (give_switch): Likewise.
11364         (used_arg): Likewise.
11365         (do_spec_1): Set the SWITCH_IGNORE bit.
11366         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
11367         bits.  Set the SWITCH_LIVE bit.
11368
11369 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
11370
11371         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
11372
11373 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
11374
11375         PR tree-optimization/34472
11376         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
11377         parameter to a "bool *" and set *DATA to false if there is
11378         an unsafe access.  Do not delete the structure here.
11379         (check_cond_exprs): Delete it here instead.
11380         (check_cond_exprs, exclude_cold_structs): Do not increase
11381         I when removing a structure.
11382
11383 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
11384
11385         PR target/34856
11386         * config/i386/i386.c (ix86_expand_vector_init): Consider only
11387         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
11388
11389 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
11390
11391         PR middle-end/34934
11392         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
11393         a fixed vector for stack.
11394
11395 2008-01-24  Ben Elliston  <bje@au.ibm.com>
11396
11397         PR c++/25701
11398         * doc/gcc.texi (Software development): Add a direntry for g++.
11399         
11400 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
11401
11402         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
11403         stale and straggling -fforce-addr comments above.
11404
11405         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
11406         define.
11407         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
11408         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
11409
11410 2008-01-23  Michael Matz  <matz@suse.de>
11411
11412         PR debug/34895
11413         * dwarf2out.c (force_type_die): Use modified_type_die instead of
11414         gen_type_die.
11415
11416 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
11417
11418         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
11419         malloc result type.
11420
11421 2008-01-23 Anatoly Sokolov <aesok@post.ru>
11422
11423         * config/avr/avr.c (avr_current_arch): New variable.
11424         (avr_arch_types): Add 'avr31' and 'avr51' entries.
11425         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
11426         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
11427         (avr_override_options): Init 'avr_current_arch'. 
11428         (base_arch_s): Move from here...
11429         * config/avr/avr.h (base_arch_s): ... here. Add new members 
11430         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename 
11431         'mega' to 'have_jmp_call'.
11432         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__", 
11433         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
11434         macros.
11435         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51' 
11436         architectures.
11437         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, 
11438         MULTILIB_MATCHES): (Ditto.).
11439
11440 2008-01-23  Richard Guenther  <rguenther@suse.de>
11441
11442         PR middle-end/31529
11443         * cgraphunit.c (cgraph_reset_node): Always mark the node
11444         not reachable if it is not queued already.
11445
11446 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
11447
11448         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
11449         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
11450         (cputype_selected): New static variable.
11451         (bfin_handle_option): Set it if -mcpu is used.
11452         (override_option): Select default set of workarounds if no cpu type
11453         selected on the command line.
11454         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
11455
11456         From  Michael Frysinger  <michael.frysinger@analog.com>
11457         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
11458         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
11459
11460         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
11461         for bf547, bf523, bf524, and bf526.
11462         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
11463         bf526.
11464         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
11465         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
11466         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
11467         __ADSPBF547__ and __ADSPBF54x__ for bf547.
11468         * doc/invoke.texi (Blackfin Options): Document that
11469         -mcpu now accept bf547, bf523, bf524, and bf526.
11470
11471 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
11472
11473         PR rtl-optimization/34628
11474         * combine.c (try_combine): Stop and undo after the first combination
11475         if an autoincrement side-effect on the first insn has effectively
11476         been lost.
11477
11478 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
11479
11480         PR target/34529
11481         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
11482         Offset addresses are not valid for Altivec or paired float modes.
11483
11484 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
11485
11486         PR c++/34607
11487         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
11488         if DECL_INITIAL (decl) is error_mark_node.
11489
11490         PR c++/34914
11491         * c-common.c (handle_vector_size_attribute): Only allow
11492         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
11493         the same way as pointer, array etc. types.
11494         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
11495
11496         PR c++/34917
11497         * tree.c (build_type_attribute_qual_variant): Call
11498         build_qualified_type if attributes are equal, but quals are not.
11499
11500 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11501
11502         PR 32102
11503         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
11504         * flags.h (warn_strict_aliasing): Remove.
11505         (warn_strict_overflow): Remove.
11506         * opts.c (warn_strict_aliasing): Remove.
11507         (warn_strict_overflow): Remove.
11508         * c-opts.c (c_common_handle_option): -Wall only sets
11509         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
11510         (c_common_post_options): Give default values to -Wstrict-aliasing
11511         and -Wstrict-overflow if they are uninitialized.
11512         * common.opt (Wstrict-aliasing): Specify Var and Init.
11513         (Wstrict-overflow): Likewise.
11514
11515 2008-01-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
11516
11517         PR rtl-optimization/26854
11518         PR rtl-optimization/34400
11519         PR rtl-optimization/34884
11520         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
11521         DF_RD->gen.
11522         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
11523         (df_rd_bb_info.expanded_lr_out): Deleted
11524         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
11525         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
11526         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
11527         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
11528         Removed code to allocate, initialize or free expanded_lr_out.
11529         (df_rd_bb_local_compute_process_def): Restructured to make more
11530         understandable.
11531         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
11532         sets if the sets are being trimmed.
11533
11534 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
11535
11536         PR bootstrap/32287
11537         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
11538         (as_vers): Likewise.
11539         * configure: Regenerated.
11540
11541 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11542
11543         PR middle-end/33092
11544         * tree-pass.h (pass_build_alias): New pass.
11545         * tree-ssa-alias.c (gate_build_alias): New.
11546         (pass_build_alias): New.
11547         * passes.c (init_optimization_passes): Add pass_build_alias after
11548         pass_create_structure_vars.
11549
11550 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
11551
11552         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
11553         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
11554         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
11555         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
11556         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
11557         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
11558         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
11559         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
11560         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
11561         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
11562         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
11563         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
11564         * config/s390/s390.md (FP_ALL): New mode iterator.
11565         (_d): New mode attribute.
11566         ("*signbit<mode>2>"): Changed mode of first operand.
11567         ("isinf<mode>2"): Changed mode of first operand.
11568         ("*TDC_insn"): Adaptation for DFP modes.
11569
11570 2008-01-22  Ben Elliston  <bje@au.ibm.com>
11571
11572         * tree.c (check_qualified_type): Improve function description.
11573
11574 2008-01-21  Jason Merrill  <jason@redhat.com>
11575
11576         PR c++/34196
11577         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
11578         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
11579         if it is set.
11580
11581 2008-01-21  DJ Delorie  <dj@redhat.com>
11582
11583         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
11584         return zero.
11585
11586 2008-01-21  Richard Guenther  <rguenther@suse.de>
11587
11588         PR middle-end/34856
11589         * tree-cfg.c (verify_expr): Allow all invariant expressions
11590         instead of just constant class ones as reference argument.
11591         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
11592         like any other constant.
11593         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
11594
11595 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
11596
11597         * regmove.c (fixup_match_1): Update call crossed frequencies.
11598
11599 2008-01-21  Richard Guenther  <rguenther@suse.de>
11600
11601         PR c/34885
11602         * tree-inline.c (setup_one_parameter): Deal with mismatched
11603         types using a VIEW_CONVERT_EXPR.
11604
11605 2008-01-21  Alon Dayan  <alond@il.ibm.com>
11606             Olga Golovanevsky  <olga@il.ibm.com>
11607         
11608         PR tree-optimization/34701
11609         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
11610         when the structure size is not a power of 2.
11611
11612 2008-01-20  Kenneth Zadeck  <zadeck@naturalbridge.com>
11613
11614         * doc/install.texi: Add doc for --enable-checking=df.
11615         
11616 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
11617
11618         PR rtl-optimization/34808
11619         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
11620
11621 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
11622
11623         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
11624         input.
11625
11626 2008-01-19  Kenneth Zadeck  <zadeck@naturalbridge.com>
11627
11628         PR rtl-optimization/26854
11629         PR rtl-optimization/34400
11630         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
11631         DF_RD->gen.
11632         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
11633         (df_rd_bb_info.expanded_lr_out): New.
11634         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
11635         * loop_iv.c (iv_analysis_loop_init): Ditto.
11636         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
11637         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
11638         Added code to allocate, initialize or free expanded_lr_out.
11639         (df_rd_bb_local_compute_process_def): Restructured to make
11640         more understandable.
11641         (df_rd_confluence_n): Add code to do nothing with fake edges and
11642         code to no apply invalidate_by_call sets if the sets are being trimmed.
11643         (df_lr_local_finalize): Renamed to df_lr_finalize.
11644         (df_live_local_finalize): Renamed to df_live_finalize.
11645
11646 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
11647
11648         PR target/34831
11649         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
11650         deciding whether to use reciprocal instructions.
11651
11652 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
11653
11654         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
11655         dwarf2out_note_section_used if cold_text_section is NULL.
11656
11657 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
11658
11659         PR gcov-profile/34610
11660         * tree-cfg.c (make_edges): Mark both outgoing edges from
11661         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
11662         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
11663         from OMP_FOR and OMP_CONTINUE outgoing edges.
11664
11665         * tree-profile.c (tree_profiling): Return early if
11666         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
11667         at the end.
11668         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
11669         from cfun to child_cfun.
11670         * function.h (struct function): Add after_tree_profile bit.
11671
11672 2008-01-19 Anatoly Sokolov <aesok@post.ru>
11673
11674         * config/avr/avr.S (_exit): Disable interrupt.
11675
11676 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
11677             Steven Bosscher  <stevenb.gcc@gmail.com>
11678
11679         PR rtl-optimization/26854
11680         PR rtl-optimization/34400
11681         * df-problems.c (df_live_scratch): New scratch bitmap.
11682         (df_live_alloc): Allocate df_live_scratch when doing df_live.
11683         (df_live_reset): Clear the proper bitmaps.
11684         (df_live_bb_local_compute): Only process the artificial defs once
11685         since the order is not important.
11686         (df_live_init): Init the df_live sets only with the variables
11687         found live by df_lr.
11688         (df_live_transfer_function): Use the df_lr sets to prune the
11689         df_live sets as they are being computed.  
11690         (df_live_free): Free df_live_scratch.
11691
11692 2008-01-18  Ian Lance Taylor  <iant@google.com>
11693
11694         * common.opt: Add fmerge-debug-strings.
11695         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
11696         flag_merge_debug_strings rather than flag_merge_constants.
11697         * doc/invoke.texi (Option Summary): Mention
11698         -fmerge-debug-strings.
11699         (Debugging Options): Document -fmerge-debug-strings.
11700
11701 2008-01-18  Ian Lance Taylor  <iant@google.com>
11702
11703         PR c++/33407
11704         * tree.h (DECL_IS_OPERATOR_NEW): Define.
11705         (struct tree_function_decl): Add new field operator_new_flag.
11706         * tree-inline.c (expand_call_inline): When inlining a call to
11707         operator new, force the return value to go into a variable, and
11708         set DECL_NO_TBAA_P on that variable.
11709         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
11710
11711 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
11712
11713         PR debug/34484
11714         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
11715         DWARF2_DEBUGGING_INFO.
11716         (dwarf2out_note_section_used): Ditto.  Add prototype.
11717         (have_multiple_function_sections, text_section_used,
11718         cold_text_section_used, *cold_text_sections): Move declarations
11719         before their uses.
11720
11721 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
11722
11723         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
11724         field and add signal_ra.
11725         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
11726         assignments to frame state pc.  Move end of stack check after
11727         MD_FALLBACK_FRAME_STATE_FOR.
11728         (uw_update_context_1): Use frame state signal_regs if set, instead
11729         of checking signal_frame flag.
11730         (uw_update_context): Use frame state signal_ra if set.
11731         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
11732         * config/xtensa/linux-unwind.h: New file.
11733
11734 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
11735
11736         * modulo-sched.c (get_sched_window): Fix comment typo.
11737
11738 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
11739
11740         PR tree-optimization/34648
11741         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
11742
11743 2008-01-17  Anatoly Sokolov <aesok@post.ru>
11744
11745         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
11746         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
11747
11748 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
11749
11750         PR rtl-optimization/34400
11751         * df-core.c (df_worklist_dataflow_overeager,
11752         df_worklist_dataflow_doublequeue): New functions.
11753         (df_worklist_dataflow): Two different worklist solvers.
11754         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
11755         New param.
11756
11757 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
11758
11759         PR testsuite/34821
11760         * doc/invoke.texi: Document the dependence on pthread for fopenmp
11761         and ftree-parallelize-loops.
11762
11763 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
11764
11765         PR rtl-optimization/34826
11766         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
11767
11768 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
11769
11770         * global.c (find_reg): Mark the eh regs as used if necessary.
11771         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
11772         * ra.h (struct allocno): no_eh_reg field added.  Changed
11773         no_stack_reg type to bitfield.
11774
11775 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
11776
11777         * tree.c (substitute_in_expr): Add missing 'break'.
11778
11779 2008-01-17  Richard Guenther  <rguenther@suse.de>
11780
11781         PR tree-optimization/34825
11782         * tree-ssa-math-opts.c (is_division_by): Do not recognize
11783         x / x as division to handle.
11784
11785 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11786
11787         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
11788         "-pthread" is specified.
11789         * pa-hpux11.h (LIB_SPEC): Likewise.
11790
11791 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
11792             Peter Bergner  <bergner@vnet.ibm.com>
11793
11794         PR rtl-optimization/33796
11795         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
11796
11797 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11798
11799         PR libgfortran/34699
11800         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
11801         static links.
11802         * pa-hpux10.h (LINK_SPEC): Likewise.
11803         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
11804
11805 2008-01-16  Richard Guenther  <rguenther@suse.de>
11806
11807         PR middle-end/32628
11808         * fold-const.c (fold_convert_const_int_from_int): Do not
11809         set overflow if that occured only because of a sign extension
11810         change when converting from/to a sizetype with the same
11811         precision and signedness.
11812
11813 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
11814
11815         PR debug/34249
11816         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
11817         location address to the correct place.  Update copyright year.
11818
11819 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
11820
11821         * lambda-code.c (lambda_transform_legal_p): Handle the case of
11822         no dependences in the dependence_relations vector.
11823
11824 2008-01-16  Jan Hubicka  <jh@suse.cz>
11825
11826         PR rtl-optimization/31396
11827         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
11828         * cfg.c (dump_reg_info): Print it.
11829         * regs.h (struct reg_info_t): add freq_calls_crossed.
11830         (REG_FREQ_CALLS_CROSSED): New macro.
11831         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
11832         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
11833         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
11834         regmove_optimize): Update call crossed frequencies.
11835         * local-alloc.c (struct qty): Add freq_calls_crossed.
11836         (alloc_qty): Copute freq_calls_crossed.
11837         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
11838         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
11839         * ra.h (struct allocno): Add freq_calls_crossed.
11840
11841 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
11842
11843         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
11844         libgomp when compiling with ftree-parallelize-loops.
11845         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
11846
11847 2008-01-16  Richard Guenther  <rguenther@suse.de>
11848
11849         PR tree-optimization/34769
11850         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
11851         * tree.c (int_cst_value): Instead make this function more
11852         permissive in what it accepts as valid input.  Document this
11853         function always sign-extends the value.
11854
11855 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
11856             Richard Guenther  <rguenther@suse.de>
11857
11858         PR c/34668
11859         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
11860         (gimple_fold_indirect_ref_rhs): ... this.
11861         (gimple_fold_indirect_ref): New function with foldings
11862         that preserve lvalueness.
11863         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
11864         * tree-flow.h (gimple_fold_indirect_ref): Declare.
11865         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
11866         to fold an INDIRECT_REF, fall back to the old use of
11867         fold_indirect_ref_1.
11868
11869 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
11870
11871         * tree-data-ref.c (subscript_dependence_tester_1): Call 
11872         free_conflict_function.
11873         (compute_self_dependence): Same.
11874
11875 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
11876
11877         PR debug/34249
11878         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
11879         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
11880         function global.
11881         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
11882         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
11883         for DWARF2_UNWIND_INFO targets.
11884
11885 2008-01-16  Richard Guenther  <rguenther@suse.de>
11886
11887         PR c/34768
11888         * c-typeck.c (common_pointer_type): Do not merge inconsistent
11889         type qualifiers for function types.
11890
11891 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
11892
11893         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
11894         loop_iterator li from previous commit.
11895
11896 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
11897
11898         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
11899
11900 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
11901
11902         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
11903         (parallelize_loops): Don't parallelize irreducible components.
11904
11905 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11906
11907         PR c++/24924
11908         * c-opts (c_common_post_options): Do not enable CPP
11909         flag_pedantic_errors by default.
11910         
11911 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
11912
11913         PR rtl-optimization/31944
11914         * cse.c (remove_pseudo_from_table): New function.
11915         (merge_equiv_classes): Use above function to remove pseudo-registers.
11916         (invalidate): Likewise.
11917
11918 2008-01-13  Richard Guenther  <rguenther@suse.de>
11919
11920         PR middle-end/34601
11921         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
11922         instead of TYPE_MODE to deal with calls from expand_one_error_var.
11923
11924 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
11925
11926         * gcse.c (cprop_jump): Call validate_unshare_change instead of
11927         validate_change to unshare the source of the PC set.
11928
11929 2008-01-12  Jan Hubicka  <jh@suse.cz>
11930
11931         PR middle-end/32135
11932         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
11933         references above array bounds.  This might trigger bounds checks for
11934         pointers to arrays.
11935
11936 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
11937
11938         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
11939         new_replaceable_dependencies.
11940
11941 2008-01-12  Doug Kwan  <dougkwan@google.com>
11942
11943         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
11944         instead of OPT_Wreturn_type in warning due to ignored return type
11945         qualifiers.
11946         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
11947         options included in -Wextra.
11948         * c.opt: New option -Wignored_qualifiers.
11949         * doc/invoke.texi (Warning Options, -Wextra): Add new option
11950         -Wignore_qualifiers.
11951         (-Wignored-qualifiers): Document.
11952         (-Wreturn-type): Remove description of functionality now handled
11953         by -Wignored-qualifiers.
11954
11955 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
11956
11957         PR ada/33788
11958         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
11959         NOP_EXPR if it is between integral types with the same precision.
11960
11961 2008-01-12  Jan Hubicka  <jh@suse.cz>
11962
11963         PR other/28023
11964         * invoke.texi (max-inline-recursive-depth): Fix default value.
11965
11966 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
11967
11968         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
11969         correct type.
11970
11971 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
11972         
11973         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
11974         
11975 2008-01-11  James E. Wilson  <wilson@specifix.com>
11976
11977         PR target/26015
11978         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
11979
11980 2008-01-11  Anatoly Sokolov <aesok@post.ru>
11981
11982         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't 
11983         save/restore frame pointer register and don't use 'call-prologues' 
11984         optimization in function with "OS_task" attribute.
11985
11986 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
11987
11988         PR middle-end/31309
11989         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
11990         when copying to memory.
11991
11992 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
11993
11994         PR rtl-optimization/30905
11995         * cfgcleanup.c: Include dce.h
11996         (crossjumps_occured): New global variable.
11997         (try_crossjump_bb): Exit loop after finding a fallthru edge.
11998         If something changed, set crossjumps_occured to true.
11999         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
12000         Don't add/remove fake edges to exit here...
12001         (cleanup_cfg): ...but do it here, when crossjumping.
12002         Run a fast DCE when successful crossjumps occured in the latest
12003         iteration of try_optimize_cfg.
12004
12005 2008-01-11  Richard Guenther  <rguenther@suse.de>
12006
12007         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
12008         (struct vn_unary_op_s): Likewise.
12009         (vn_reference_insert): Free old reference on hash collision.
12010
12011 2008-01-10  Raksit Ashok  <raksit@google.com>
12012
12013         PR rtl-optimization/27971
12014         * combine.c (find_split_point): Split PLUS expressions which are
12015         inside a MEM rtx, and whose first operand is complex.
12016
12017 2008-01-10  DJ Delorie  <dj@redhat.com>
12018
12019         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
12020         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
12021         (m32c_hard_regno_ok): Call the underlying function.
12022
12023 2008-01-10  Richard Guenther  <rguenther@suse.de>
12024
12025         PR middle-end/34683
12026         * tree-cfg.c (tree_merge_blocks): Do not go through the
12027         full-blown folding and stmt updating path if we just deal
12028         with virtual operands.
12029         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
12030         test for abnormal SSA_NAMEs.
12031
12032 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
12033
12034         PR middle-end/34641
12035         * reload.c (push_reload): Add assertions.  All constants from
12036         reg_equiv_constant should have been used for replacing the respective
12037         pseudo earlier.
12038         (find_reloads_address): Invoke find_reloads_address_part for
12039         constant taken from the reg_equiv_constant array.
12040
12041 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
12042
12043         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
12044         field (valnum) the first in the struct.  Replace bools with
12045         unit bit fields.
12046
12047 2008-01-10  Richard Guenther  <rguenther@suse.de>
12048
12049         PR tree-optimization/34651
12050         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
12051         types and ordering for masking and converting.
12052
12053 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
12054
12055         PR tree-optimization/34017
12056         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
12057         also for PHI_NODE expressions.
12058
12059 2008-01-09  Jan Hubicka  <jh@suse.cz>
12060
12061         PR tree-optimization/34708
12062         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
12063         based on number of case labels.
12064         (init_inline_once): Remove switch_cost.
12065         * tree-inline.h (eni_weights_d): Remove switch_cost.
12066
12067 2008-01-09  Richard Guenther  <rguenther@suse.de>
12068         Andrew Pinski  <andrew_pinski@playstation.sony.com>
12069
12070         PR middle-end/30132
12071         * gimplify.c (gimplify_cond_expr): Do not create an addressable
12072         temporary if an rvalue is ok or an lvalue is not required.
12073
12074 2008-01-09  Richard Guenther  <rguenther@suse.de>
12075
12076         PR middle-end/34458
12077         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
12078         adjust return type.
12079
12080 2008-01-09  Richard Guenther  <rguenther@suse.de>
12081
12082         PR middle-end/34679
12083         * tree.c (host_integerp): Check for sizetype only if the
12084         type is an integer type.
12085
12086 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
12087
12088         PR debug/26364
12089         * opts.c (decode_options): Disable inlining of functions called
12090         once if not in unit-at-a-time mode.
12091
12092 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
12093
12094         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
12095
12096 2008-01-08  Richard Guenther  <rguenther@suse.de>
12097
12098         PR middle-end/31863
12099         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
12100         out early if the result will be unused.
12101
12102 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
12103
12104         PR target/34709
12105         Revert:
12106
12107         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
12108         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
12109         for TARGET_RECIP.       
12110         
12111 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
12112         
12113         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
12114         for vectorization tuned.
12115         
12116 2008-01-08  Richard Guenther  <rguenther@suse.de>
12117
12118         PR tree-optimization/34683
12119         * tree-ssa-operands.c (operand_build_cmp): Export.
12120         * tree-ssa-operands.h (operand_build_cmp): Declare.
12121         * tree-vn.c (vuses_compare): Remove.
12122         (sort_vuses): Use operand_build_cmp.
12123         (sort_vuses_heap): Likewise.
12124         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
12125         to re-use old VEC if available.  Do not sort already sorted VUSEs.
12126         (vdefs_to_vec): Do not sort already sorted VDEFs.
12127
12128 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
12129
12130         PR middle-end/34694
12131         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
12132
12133 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
12134
12135         PR target/34702
12136         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
12137         limitations of reciprocal sequences on x86 targets.
12138
12139 2008-01-08  Richard Guenther  <rguenther@suse.de>
12140
12141         PR tree-optimization/34683
12142         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
12143
12144 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
12145
12146         PR target/34622
12147         * config/darwin.c (darwin_mergeable_string_section): Don't use
12148         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
12149
12150 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
12151
12152         PR target/34682
12153         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
12154         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
12155         predicates of op0 and op1 to register_operand.
12156         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
12157         expander using X87MODEF mode iterator.  Change predicates of
12158         op0 and op1 to register_operand.
12159         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
12160         corresponding patterns and macroize using MODEF macro.  Change
12161         predicates of op0 and op1 to register_operand and remove
12162         "m" constraint. Disparage "r" alternative with "!".
12163         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
12164         macroize using X87MODEF macro.  Change predicates of op0 and op1
12165         to register_operand and remove "m" constraint.  Disparage "r"
12166         alternative with "!".
12167         (absneg splitter with memory operands): Remove.
12168         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
12169         patterns and macroize using X87MODEF mode iterator.
12170         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
12171         Change predicate of op1 to register_operand.
12172         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
12173         for memory operands.
12174
12175 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
12176
12177         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
12178
12179 2008-01-07  Richard Guenther  <rguenther@suse.de>
12180
12181         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
12182         fields.
12183
12184 2008-01-07  Richard Guenther  <rguenther@suse.de>
12185
12186         PR tree-optimization/34683
12187         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
12188         VOPs of the needed size to save memory.  Use VEC_quick_push
12189         to save compile-time.
12190         (vdefs_to_vec): Likewise.
12191
12192 2008-01-07  Sa Liu  <saliu@de.ibm.com>
12193
12194         * config/spu/spu.md (divdf3): Genetate inline code for double
12195         division.  The implementation doesn't handle INF or NAN, therefore it
12196         only applies when -ffinite-math-only is given.
12197
12198 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
12199
12200         PR libstdc++/34680
12201         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
12202         * doc/cpp.texi ([Common Predefined Macros]): Document.
12203
12204 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
12205
12206         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
12207         order to use commutative addition instead of subtraction.
12208
12209 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12210             Mircea Namolaru  <namolaru@il.ibm.com>
12211             Vladimir Yanovsky  <yanov@il.ibm.com>
12212             Revital Eres  <eres@il.ibm.com>
12213
12214         PR tree-optimization/34263
12215         * tree-outof-ssa.c (process_single_block_loop_latch,
12216         contains_tree_r): New functions.
12217         (analyze_edges_for_bb): Call process_single_block_loop_latch
12218         function to empty single-basic-block latch block if possible.
12219
12220 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
12221
12222         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
12223         for TARGET_RECIP.
12224         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
12225
12226 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
12227
12228         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
12229
12230 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
12231
12232         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
12233
12234 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
12235
12236         PR tree-optimization/34618
12237         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
12238         flag from T.
12239
12240 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
12241
12242         PR target/34673
12243         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
12244         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
12245         Update copyright year.
12246
12247         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
12248         Update copyright year.
12249         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
12250         using NR fixup.
12251
12252 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
12253
12254         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
12255         edge does not point to current bb before changing need_assert.
12256
12257 2008-01-04  Richard Guenther  <rguenther@suse.de>
12258
12259         PR middle-end/34029
12260         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
12261         for verifying purposes if they are is_gimple_min_invariant.
12262
12263 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
12264
12265         PR tree-optimization/34448
12266         PR tree-optimization/34465
12267         * gimplify.c (gimplify_init_constructor): Add new parameter
12268         notify_temp_creation.  Use it.
12269         (gimplify_modify_expr_rhs): Take volatiles into account when
12270         optimizing constructors.
12271         Do not optimize constructors if gimplify_init_constructor will dump to
12272         memory.
12273         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
12274         * gcc.c-torture/compile/pr34448.c: New.
12275
12276 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
12277
12278         PR gcov-profile/34609
12279         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
12280         return_slot if result is TREE_ADDRESSABLE.
12281
12282 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
12283
12284         * config/mips/mips.md (sqrt_condition): Tweak comment.
12285         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
12286
12287 2008-01-03  Tom Tromey  <tromey@redhat.com>
12288
12289         PR c/34457
12290         * c-common.c (c_type_hash): Handle VLAs.
12291
12292 2008-01-03  Jan Hubicka  <jh@suse.cz>
12293
12294         PR tree-optimization/31081
12295         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
12296         0 when inlining and not inlining to first basic block.
12297         (remap_decl): When var is initialized to 0, don't set default_def.
12298         (expand_call_inline): Set entry_bb.
12299         * tree-inline.h (copy_body_data): Add entry_bb.
12300
12301 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
12302
12303         PR c++/34619
12304         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
12305         before returning.
12306
12307         PR tree-optimization/29484
12308         * tree-inline.c (inline_forbidden_p_2): New function.
12309         (inline_forbidden_p): Disallow inlining if some static var
12310         has an address of a local LABEL_DECL in its initializer.
12311         * doc/extend.texi (Labels as Values): Document &&foo behaviour
12312         vs. inlining.
12313
12314 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
12315
12316         PR tree-optimization/34635
12317         * tree-data-ref.c (add_other_self_distances): Make sure that the
12318         evolution step is constant.
12319
12320 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
12321
12322         PR middle-end/34608
12323         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
12324
12325 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
12326
12327         * tree-sra.c (scalarize_init): Insert the generate_element_init
12328         statements after the generate_element_zero statements.
12329
12330 2008-01-02  Richard Guenther  <rguenther@suse.de>
12331
12332         PR middle-end/34093
12333         PR middle-end/31976
12334         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
12335         for very large number of operands instead of ICEing.
12336
12337 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
12338
12339         PR target/34013
12340         * config/i386/i386.c (ix86_expand_prologue): Save red-zone
12341         while stack probing.
12342
12343 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
12344
12345         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
12346         in C++0x mode.
12347
12348 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
12349
12350         PR libmudflap/26442
12351         * tree-mudflap.c (mx_register_decls): Guard warning by
12352         !DECL_ARTIFICIAL check.
12353
12354 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
12355
12356         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
12357         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
12358         sse5_perm<mode>): Fix constraints.