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* config/avr/avr.c (avr_mcu_t): Remove atmega32hvb.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2008-06-17  Eric B. Weddington  <eric.weddington@atmel.com>
2
3         * config/avr/avr.c (avr_mcu_t): Remove atmega32hvb.
4         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise. 
5         * config/avr/t-avr (MULTILIB_MATCHES): Likewise. 
6
7 2008-06-17  Eric B. Weddington  <eric.weddington@atmel.com>
8
9         * config/avr/avr.c (avr_mcu_t): Add attiny167.
10         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise. 
11         * gcc/config/avr/t-avr (MULTILIB_MATCHES): Likewise. 
12
13 2008-06-17  Eric B. Weddington  <eric.weddington@atmel.com>
14
15         * config/avr/avr.c (avr_mcu_t): Add atmega32u4.
16         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise. 
17         * config/avr/t-avr (MULTILIB_MATCHES): Likewise. 
18
19 2008-06-17  Bernhard Fischer  <aldot@gcc.gnu.org>
20
21         * tree-ssa-sccvn.c: Fix format of comments.
22
23 2008-06-17  Bernhard Fischer  <aldot@gcc.gnu.org>
24
25         * cgraph.c: Remove unneeded forward declarations of eq_node()
26         and hash_node().
27
28 2008-06-17  Steven Bosscher  <steven@gcc.gnu.org>
29
30         * see.c (see_analyse_one_def): Do not look for REG_LIBCALL and
31         REG_RETVAL notes.
32         (see_update_relevancy): Likewise.
33         * fwprop.c (try_fwprop_subst): Likewise.
34         * rtlanal.c (noop_move_p): Likewise.
35         * builtins.c (expand_buitlin_mathfn): Don't try to add REG_EQUAL
36         notes to non-existing libcall blocks.
37         * cse.c (cse_insn): Change prototype.  Don't update libcall notes.
38         Remove orig_set.
39         (cse_extended_basic_block): Don't track libcall and no-conflict notes.
40         (dead_libcall_p): Remove.
41         (delete_trivially_dead_insns): Don't use it.
42         * web.c (union_defs): Remove comment about keeping nops.
43         * gcse.c (hash_scan_insn): Don't take libcall pointers.
44         (compute_hash_table_work): Don't track libcall notes.
45         (do_local_cprop): Don't take libcall pointers.  Don't update
46         libcall notes.
47         (adjust_libcall_notes): Deleted.
48         (local_cprop_pass): Remove stack for nested libcalls (which shouldn't
49         ever have existed in the first place).
50         (replace_store_insn): Don't try to remove libcall notes.
51         * lower-subreg.c (move_libcall_note, move_retval_note): Deleted.
52         (resolve_reg_notes): Don't call them.
53         (resolve_simple_move): Likewise.
54         (decompose_multiword_subregs): Remove block handling REG_RETVAL notes.
55         Don't remove REG_RETVAL notes.
56         * emit-rtl.c (try_split): Don't update libcall notes.
57         (emit_copy_of_insn_after): Dito.
58         * cselib.c (cselib_current_insn_in_libcall): Remove.
59         (cselib_process_insn): Don't set/clear it.
60         (new_elt_loc_list): Don't record it.
61         (cselib_init): Don't initialize it.
62         * cselib.c (struct elt_loc_list): Remove in_libcall field.
63         * loop-invariant.c (find_invariant_insn): Don't look for libcall
64         notes.
65         * sched-deps.c (sched_analyze_insn): Don't group libcall blocks.
66         (sched_analyze): Don't set up deps->libcall_block_tail_insn.
67         (init_deps): Don't initialize it.
68         * sched-int.h (struct deps): Rremove libcall_block_tail_insn field.
69         * combine.c (delete_noop_moves): Don't update libcall notes.
70         (can_combine_p): Remove now pointless #if 0 block.
71         (try_combine): Remove another obsolete #if 0 block.
72         (distribute_notes): Don't distribute libcall notes.
73         * reg-notes.def (REG_LIBCALL, REG_RETVAL): Remove.
74         * dce.c (libcall_dead_p): Remove.
75         (delete_unmarked_insns): Don't handle libcall blocks.
76         (preserve_libcall_for_dce): Remove.
77         (prescan_insns_for_dce): Don't special-case libcall block insns.
78         * reload1 (reload): Don't handle libcall notes. 
79         * doc/rtl.texi (REG_LIBCALL, REG_RETVAL, REG_LIBCALL_ID): Remove
80         documentation.
81
82 2008-06-16  Eric B. Weddington  <eric.weddington@atmel.com>
83
84         * config/avr/avr.c (avr_mcu_t): Add atmega32c1.
85         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
86         * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
87
88 2008-06-16  Eric B. Weddington  <eric.weddington@atmel.com>
89
90         * config/avr/avr.c (avr_mcu_t): Add atmega32m1.
91         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
92         * config/avr/t-avr (MULTILIB_MATCHES): Likewise. 
93
94 2008-06-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
95
96         * Makefile.in (FLAGS_TO_PASS): Add $(datarootdir).
97
98 2008-06-16  Ira Rosen  <irar@il.ibm.com>
99
100         PR tree-optimization/36493
101         * tree-vect-transform.c (vect_create_data_ref_ptr): Remove TYPE from
102         the arguments list. Use VECTYPE to create vector pointer.
103         (vectorizable_store): Fail if accesses through a pointer to vectype
104         do not alias the original memory reference operands.
105         Call vect_create_data_ref_ptr without the removed argument.
106         (vectorizable_load): Likewise.
107         (vect_setup_realignment): Call vect_create_data_ref_ptr without the
108         removed argument.
109
110 2008-06-015  Andy Hutchinson  <hutchinsonandy@aim.com>
111
112         PR target/36336
113         * config/avr/avr.h (LEGITIMIZE_RELOAD_ADDRESS): Add check for 
114         reg_equiv_constant.
115
116 2008-06-15  Maxim Kuvyrkov  <maxim@codesourcery.com>
117
118         * config/mips/loongson2ef.md: New file.
119         * config/mips/mips.md (UNSPEC_LOONGSON_ALU1_TURN_ENABLED_INSN)
120         (UNSPEC_LOONGSON_ALU2_TURN_ENABLED_INSN)
121         (UNSPEC_LOONGSON_FALU1_TURN_ENABLED_INSN)
122         (UNSPEC_LOONGSON_FALU2_TURN_ENABLED_INSN): New constants.
123         (define_attr "cpu"): Rename loongson2e and loongson2f to loongson_2e
124         and loongson_2f.
125         (loongson2ef.md): New include.
126         * config/mips/loongson.md (vec_pack_ssat_<mode>, vec_pack_usat_<mode>)
127         (add<mode>3, paddd, ssadd<mode>3, usadd<mode>3)
128         (loongson_and_not_<mode>, loongson_average_<mode>, loongson_eq_<mode>)
129         (loongson_gt_<mode>, loongson_extract_halfword)
130         (loongson_insert_halfword_0, loongson_insert_halfword_2)
131         (loongson_insert_halfword_3, loongson_mult_add, smax<mode>3)
132         (umax<mode>3, smin<mode>3, umin<mode>3, loongson_move_byte_mask)
133         (umul<mode>3_highpart, smul<mode>3_highpart, loongson_smul_lowpart)
134         (loongson_umul_word, loongson_pasubub, reduc_uplus_<mode>)
135         (loongson_psadbh, loongson_pshufh, loongson_psll<mode>)
136         (loongson_psra<mode>, loongson_psrl<mode>, sub<mode>3, psubd)
137         (sssub<mode>3, ussub<mode>3, vec_interleave_high<mode>)
138         (vec_interleave_low<mode>): Define type attribute.
139         * config/mips/mips.c (mips_ls2): New static variable.
140         (mips_issue_rate): Update to handle tuning for Loongson 2E/2F.
141         (mips_ls2_init_dfa_post_cycle_insn, mips_init_dfa_post_cycle_insn)
142         (sched_ls2_dfa_post_advance_cycle, mips_dfa_post_advance_cycle):
143         Implement target scheduling hooks.
144         (mips_multipass_dfa_lookahead): Update to handle tuning for
145         Loongson 2E/2F.
146         (mips_sched_init): Initialize data for Loongson scheduling.
147         (mips_ls2_variable_issue): New static function.
148         (mips_variable_issue): Update to handle tuning for Loongson 2E/2F.
149         Add sanity check.
150         (TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN)
151         (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Override target hooks.
152         * config/mips/mips.h (TUNE_LOONGSON_2EF): New macros.
153         (ISA_HAS_XFER_DELAY, ISA_HAS_FCMP_DELAY, ISA_HAS_HILO_INTERLOCKS):
154         Handle ST Loongson 2E/2F cores.
155         (CPU_UNITS_QUERY): Define macro to enable querying of DFA units.
156
157 2008-06-15  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
158
159         * omp-low.c (extract_omp_for_data): Fix comment typo.
160         * c.opt: Fix typo.
161
162 2008-06-15  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
163
164         * doc/sourcebuild.texi (Config Fragments): Remove obsolete
165         FIXME note about gcc/config.guess.
166         * doc/options.texi (Option file format): Remove non-ASCII bytes.
167         * doc/cpp.texi: Expand TABs, drop indentation outside examples.
168         * doc/cppopts.texi: Likewise.
169         * doc/extend.texi: Likewise.
170         * doc/gcc.texi: Likewise.
171         * doc/gccint.texi: Likewise.
172         * doc/gcov.texi: Likewise.
173         * doc/gty.texi: Likewise.
174         * doc/hostconfig.texi: Likewise.
175         * doc/install.texi: Likewise.
176         * doc/invoke.texi: Likewise.
177         * doc/loop.texi: Likewise.
178         * doc/makefile.texi: Likewise.
179         * doc/md.texi: Likewise.
180         * doc/passes.texi: Likewise.
181         * doc/tm.texi: Likewise.
182         * doc/tree-ssa.texi: Likewise.
183         * doc/trouble.texi: Likewise.
184
185 2008-06-15  Mark Shinwell  <shinwell@codesourcery.com>
186             Nathan Sidwell  <nathan@codesourcery.com>
187             Maxim Kuvyrkov  <maxim@codesourcery.com>
188             Richard Sandiford  <rdsandiford@googlemail.com>
189         
190         * config/mips/mips-modes.def: Add V8QI, V4HI and V2SI modes.
191         * config/mips/mips-protos.h (mips_expand_vector_init): New.
192         * config/mips/mips-ftypes.def: Add function types for Loongson-2E/2F
193         builtins.
194         * config/mips/mips.c (mips_split_doubleword_move): Handle new modes.
195         (mips_hard_regno_mode_ok_p): Allow 64-bit vector modes for Loongson.
196         (mips_vector_mode_supported_p): Add V2SImode, V4HImode and
197         V8QImode cases.
198         (LOONGSON_BUILTIN, LOONGSON_BUILTIN_ALIAS): New.
199         (CODE_FOR_loongson_packsswh, CODE_FOR_loongson_packsshb,
200         (CODE_FOR_loongson_packushb, CODE_FOR_loongson_paddw,
201         (CODE_FOR_loongson_paddh, CODE_FOR_loongson_paddb,
202         (CODE_FOR_loongson_paddsh, CODE_FOR_loongson_paddsb)
203         (CODE_FOR_loongson_paddush, CODE_FOR_loongson_paddusb)
204         (CODE_FOR_loongson_pmaxsh, CODE_FOR_loongson_pmaxub)
205         (CODE_FOR_loongson_pminsh, CODE_FOR_loongson_pminub)
206         (CODE_FOR_loongson_pmulhuh, CODE_FOR_loongson_pmulhh)
207         (CODE_FOR_loongson_biadd, CODE_FOR_loongson_psubw)
208         (CODE_FOR_loongson_psubh, CODE_FOR_loongson_psubb)
209         (CODE_FOR_loongson_psubsh, CODE_FOR_loongson_psubsb)
210         (CODE_FOR_loongson_psubush, CODE_FOR_loongson_psubusb)
211         (CODE_FOR_loongson_punpckhbh, CODE_FOR_loongson_punpckhhw)
212         (CODE_FOR_loongson_punpckhwd, CODE_FOR_loongson_punpcklbh)
213         (CODE_FOR_loongson_punpcklhw, CODE_FOR_loongson_punpcklwd): New.
214         (mips_builtins): Add Loongson builtins.
215         (mips_loongson_2ef_bdesc): New.
216         (mips_bdesc_arrays): Add mips_loongson_2ef_bdesc.
217         (mips_builtin_vector_type): Handle unsigned versions of vector modes.
218         (MIPS_ATYPE_UQI, MIPS_ATYPE_UDI, MIPS_ATYPE_V2SI, MIPS_ATYPE_UV2SI)
219         (MIPS_ATYPE_V4HI, MIPS_ATYPE_UV4HI, MIPS_ATYPE_V8QI, MIPS_ATYPE_UV8QI):
220         New.
221         (mips_expand_vector_init): New.
222         * config/mips/mips.h (HAVE_LOONGSON_VECTOR_MODES): New.
223         (TARGET_CPU_CPP_BUILTINS): Define __mips_loongson_vector_rev
224         if appropriate.
225         * config/mips/mips.md: Add unspec numbers for Loongson
226         builtins.  Include loongson.md.
227         (MOVE64): Include Loongson vector modes.
228         (SPLITF): Include Loongson vector modes.
229         (HALFMODE): Handle Loongson vector modes.
230         * config/mips/loongson.md: New.
231         * config/mips/loongson.h: New.
232         * config.gcc: Add loongson.h header for mips*-*-* targets.
233         * doc/extend.texi (MIPS Loongson Built-in Functions): New.
234
235 2008-06-14  Joseph Myers  <joseph@codesourcery.com>
236
237         * config.gcc (arc-*-elf*, avr-*-*, fr30-*-elf, frv-*-elf,
238         h8300-*-elf*, h8300-*-*, i[34567]86-*-elf*, x86_64-*-elf*,
239         i[34567]86-*-aout*, i[34567]86-*-coff*, ia64*-*-elf*,
240         iq2000*-*-elf*, m32r-*-elf*, m32rle-*-elf*, m32r-*-linux*,
241         m32rle-*-linux*, m68hc11-*-*|m6811-*-*, m68hc12-*-*|m6812-*-*,
242         m68k-*-coff*, mcore-*-elf, mcore-*-pe*, mipsisa64sr71k-*-elf*,
243         mipsisa64sb1-*-elf* | mipsisa64sb1el-*-elf*, mips-*-elf* |
244         mipsel-*-elf*, mips64-*-elf* | mips64el-*-elf*, mips64vr-*-elf* |
245         mips64vrel-*-elf*, mips64orion-*-elf* | mips64orionel-*-elf*,
246         mipstx39-*-elf* | mipstx39el-*-elf*, mn10300-*-*, pdp11-*-,
247         powerpc-*-elf*, powerpcle-*-elf*, sh-*-elf* | sh[12346l]*-*-elf* |
248         sh-*-symbianelf* | sh[12346l]*-*-symbianelf* | sh-*-linux* |
249         sh[2346lbe]*-*-linux* | sh-*-netbsdelf* | shl*-*-netbsdelf* |
250         sh5-*-netbsd* | sh5l*-*-netbsd* | sh64-*-netbsd* |
251         sh64l*-*-netbsd*, sh-*-*, sparc-*-elf*, sparc64-*-elf*,
252         v850e1-*-*, v850e-*-*, v850-*-*, xstormy16-*-elf, m32c-*-elf*):
253         Remove use_fixproto=yes.
254         (ia64*-*-hpux*): Remove comment about using fixproto.
255         (m68k-*-uclinuxoldabi*, m68k-*-uclinux*): Remove use_fixproto=no.
256
257 2008-06-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
258
259         * configure.ac: Update gthr-default.h lazily, to avoid unneeded
260         library rebuilds.
261         * configure: Regenerate.
262
263 2008-06-13  Eric Botcazou  <ebotcazou@adacore.com>
264
265         PR middle-end/36520
266         * builtins.c (get_memory_rtx): Test for the presence of DECL_SIZE_UNIT
267         before evaluating it.
268
269 2008-06-13  Jakub Jelinek  <jakub@redhat.com>
270
271         PR c/36507
272         * c-decl.c (merge_decls): Don't clear DECL_EXTERNAL for
273         nested inline functions.
274         (start_decl, start_function): Don't invert DECL_EXTERNAL
275         for nested inline functions.
276
277 2008-06-13  Richard Sandiford  <rdsandiford@googlemail.com>
278
279         * config/mips/mips.md: Remove TARGET_DEBUG_D_MODE conditions from
280         splits that must be made for correctness.
281
282 2008-06-13  Richard Sandiford  <rdsandiford@googlemail.com>
283
284         * config/mips/mips.c (BUILTIN_AVAIL_NON_MIPS16): New macro.
285         (AVAIL_NON_MIPS16): Likewise.
286         (mips_builtin_description): Replace target_flags with a predicate.
287         (paired_single, sb1_paired_single, mips3d, dsp, dspr2, dsp_32)
288         (dspr2_32): New availability predicates.
289         (MIPS_BUILTIN): New macro.
290         (DIRECT_BUILTIN, CMP_SCALAR_BUILTINS, CMP_PS_BUILTINS)
291         (CMP_4S_BUILTINS, MOVTF_BUILTINS, CMP_BUILTINS)
292         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): Use it.
293         Replace the TARGET_FLAGS parameters with AVAIL parameters.
294         (mips_ps_bdesc, mips_sb1_bdesc, mips_dsp_bdesc)
295         (mips_dsp_32only_bdesc): Merge into...
296         (mips_builtins): ...this new array.
297         (mips_bdesc_map, mips_bdesc_arrays): Delete.
298         (mips_init_builtins): Update after above changes.
299         (mips_expand_builtin_1): Merge into...
300         (mips_expand_builtin): ...here and update after above changes.
301
302 2008-06-12  Paul Brook  <paul@codesourcery.com>
303
304         * longlong.h (__arm__): Define count_leading_zeros.
305         * config/arm/lib1funcs.asm (xxh, xxl, yyh, yyl): Define.
306         (clzsi2, clzdi2): New functions.
307         * config/arm/bpabi-v6m.S (xxh, xxl, yyh, yyl): Remove.
308         * config/arm/bpabi.S (xxh, xxl, yyh, yyl): Remove.
309         * config/arm/t-strongarm-elf (LIB1ASMFUNCS): Ditto.
310         * config/arm/t-vxworks (LIB1ASMFUNCS): Ditto.
311         * config/arm/t-pe (LIB1ASMFUNCS): Ditto.
312         * config/arm/t-arm-elf (LIB1ASMFUNCS): Ditto.
313         * config/arm/t-arm-coff (LIB1ASMFUNCS): Ditto.
314         * config/arm/t-linux (LIB1ASMFUNCS): Ditto.
315         * config/arm/t-symbian (LIB1ASMFUNCS): Ditto.
316         * config/arm/t-wince-pe (LIB1ASMFUNCS): Ditto.
317
318 2008-06-12  Kazu Hirata  <kazu@codesourcery.com>
319
320         * config/m68k/m68k.c (m68k_tune_flags): New.
321         (override_options): Compute m68k_tune_flags.
322         (MULL_COST, MULW_COST): Update for various variants of CFV2.
323         * config/m68k/m68k.h (TUNE_MAC, TUNE_EMAC): New.
324
325 2008-06-12  Jakub Jelinek  <jakub@redhat.com>
326
327         PR middle-end/36506
328         * omp-low.c (expand_omp_sections): Initialize l2 to avoid bogus
329         warning.
330
331 2008-06-12  Eric Botcazou  <ebotcazou@adacore.com>
332
333         * tree-inline.c (copy_body_r): Copy TREE_SIDE_EFFECTS along with
334         TREE_THIS_VOLATILE on INDIRECT_REF nodes.
335
336 2008-06-12  Eric Botcazou  <ebotcazou@adacore.com>
337
338         * expr.c (store_field): Do a block copy from BLKmode to BLKmode-like.
339         (get_inner_reference): Use BLKmode for byte-aligned BLKmode bitfields.
340
341 2008-06-12  Jakub Jelinek  <jakub@redhat.com>
342
343         PR middle-end/36506
344         * omp-low.c (expand_omp_sections): Handle #pragma omp sections with
345         reductions.
346
347 2008-06-12  Richard Guenther  <rguenther@suse.de>
348
349         PR tree-optimization/36345
350         * tree-flow.h (struct ptr_info_def): Align escape_mask,
351         add memory_tag_needed flag.
352         (may_alias_p): Declare.
353         * tree-ssa-alias.c (may_alias_p): Export.
354         (set_initial_properties): Use memory_tag_needed flag.
355         (update_reference_counts): Likewise.
356         (reset_alias_info): Reset memory_tag_needed flag.
357         (create_name_tags): Check memory_tag_needed flag.
358         (dump_points_to_info_for): Dump it.
359         * tree-ssa-structalias.c (struct variable_info): Remove
360         directly_dereferenced flag.
361         (new_var_info): Do not initialize it.
362         (process_constraint_1): Do not set it.
363         (update_alias_info): Set is_dereferenced flag.
364         (set_uids_in_ptset): Use may_alias_p.
365         (set_used_smts): Check memory_tag_needed flag.
366         (find_what_p_points_to): Likewise.  Pass is_dereferenced flag.
367         * tree-ssa-alias.c (verify_flow_sensitive_alias_info): Check
368         memory_tag_needed flag.
369         * tree-ssa-alias-warnings.c (dsa_named_for): Try to recover
370         from broken design.
371
372 2008-06-12  Kai Tietz  <kai.tietz@onevision.com>
373
374         * config/i386/i386.c (ix86_compute_frame_layout): Disable red zone for
375         w64 abi.
376         (ix86_expand_prologue): Likewise.
377         (ix86_force_to_memory): Likewise.
378         (ix86_free_from_memory): Likewise.
379
380 2008-06-11  Edmar Wienskoski  <edmar@freescale.com>
381
382         PR target/36425
383         * config/rs6000/rs6000.c (rs6000_override_options): Set
384         rs6000_isel conditionally to the absence of comand line
385         override.
386         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
387         Remove duplicate rs6000_isel setting.
388         * config/rs6000/eabispe.h: Ditto.
389
390 2008-06-11  Richard Guenther  <rguenther@suse.de>
391
392         * alias.c (get_alias_set): Use the element alias-set for arrays.
393         (record_component_aliases): For arrays and vectors do nothing.
394         * c-common.c (strict_aliasing_warning): Handle the cases
395         of alias set zero explicitly.
396         * Makefile.in (dfp.o-warn): Add -Wno-error.
397
398 2008-06-11  Joseph Myers  <joseph@codesourcery.com>
399
400         * config.gcc (all_defaults): Add arch_32 arch_64 cpu_32 cpu_64
401         tune_32 tune_64.
402         (i[34567]86-*-* | x86_64-*-*): Add arch_32 arch_64 cpu_32 cpu_64
403         tune_32 tune_64 to supported_defaults.  Allow values not
404         supporting 64-bit mode for arch_32, cpu_32 and tune_32 for
405         x86_64.  Do not override cpu_32 or cpu_64 values from target name.
406         (i[34567]86-*-linux*, i[34567]86-*-solaris2.1[0-9]*): Only default
407         with_cpu_64 to generic for 64-bit-supporting configurations, not
408         with_cpu.  Remove FIXMEs.
409         * doc/install.texi (--with-cpu-32, --with-cpu-64, --with-arch-32,
410         --with-arch-64, --with-tune-32, --with-tune-64): Document.
411         * config/i386/i386.h (OPT_ARCH32, OPT_ARCH64): Define.
412         (OPTION_DEFAULT_SPECS): Add tune_32, tune_64, cpu_32, cpu_64,
413         arch_32 and arch_64.
414
415 2008-06-11  Eric Botcazou  <ebotcazou@adacore.com>
416             Olivier Hainque  <hainque@adacore.com>
417
418         * builtins.c (get_memory_rtx): Accept byte-addressable bitfields.
419         Use DECL_SIZE_UNIT to retrieve the size of the field.
420
421 2008-06-11  Joseph Myers  <joseph@codesourcery.com>
422
423         * config/arm/arm.c (arm_init_neon_builtins): Move initialization
424         with function calls after declarations.  Lay out
425         neon_float_type_node before further use.
426
427 2008-06-11  Richard Guenther  <rguenther@suse.de>
428
429         * tree-flow.h (may_point_to_global_var): Declare.
430         * tree-ssa-alias.c (may_point_to_global_var): New function.
431         * tree-ssa-sink.c (is_hidden_global_store): Use it.
432
433 2008-06-10  Kazu Hirata  <kazu@codesourcery.com>
434
435         * configure.ac: Teach that fido supports .debug_line.
436         * configure: Regenerate.
437
438 2008-06-10  Tom Tromey  <tromey@redhat.com>
439
440         * c-lex.c (fe_file_change): Pass SOURCE_LINE to start_source_file
441         debug hook.
442
443 2008-06-10  Joseph Myers  <joseph@codesourcery.com>
444
445         * dfp.c (WORDS_BIGENDIAN): Define to 0 if not defined.
446         (encode_decimal64, decode_decimal64, encode_decimal128,
447         decode_decimal128): Reverse order of 32-bit parts of value if host
448         and target endianness differ.
449
450 2008-06-10  Vinodha Ramasamy  <vinodha@google.com>
451         * value_prob.c (tree_divmod_fixed_value_transform): Use gcov_type.
452         Avoid division by 0.
453         (tree_mod_pow2_value_transform): Likewise.
454         (tree_ic_transform): Likewise.
455         (tree_stringops_transform): Likewise.
456         (tree_mod_subtract_transform): Likewise.
457         * tree-inline-c (copy_bb): Corrected int type to gcov_type.
458         (copy_edges_for_bb): Likewise.
459         (initialize_cfun): Likewise.
460
461 2008-06-10  Uros Bizjak  <ubizjak@gmail.com>
462
463         * config/i386/i386.md (*btdi_rex64): Change operand 1 predicate to
464         nonmemory_operand. Add "N" operand constraint.
465         (*btsi): Ditto.
466         (*jcc_btdi_mask_rex64): New instruction and split pattern.
467         (*jcc_btsi_mask): Ditto.
468         (*jcc_btsi_mask_1): Ditto.
469
470 2008-06-10  Joseph Myers  <joseph@codesourcery.com>
471
472         * config/rs6000/rs6000.c (build_opaque_vector_type): Set
473         TYPE_CANONICAL for copied element type.
474
475 2008-06-10  Uros Bizjak  <ubizjak@gmail.com>
476
477         PR target/36473
478         * config/i386/i386.c (ix86_tune_features) [TUNE_USE_BT]:
479         Add m_CORE2 and m_GENERIC.
480         * config/i386/predicates.md (bt_comparison_operator): New predicate.
481         * config/i386/i386.md (*btdi_rex64): New instruction pattern.
482         (*btsi): Ditto.
483         (*jcc_btdi_rex64): New instruction and split pattern.
484         (*jcc_btsi): Ditto.
485         (*jcc_btsi_1): Ditto.
486         (*btsq): Fix Intel asm dialect operand order.
487         (*btrq): Ditto.
488         (*btcq): Ditto.
489
490 2008-06-09  Andy Hutchinson  <hutchinsonandy@aim.com>
491
492         PR middle-end/36447
493         * simplify-rtx.c (simplify_subreg): Add check for shift count 
494         greater than size.
495
496 2008-06-09  Richard Sandiford  <rdsandiford@googlemail.com>
497
498         * doc/md.texi: Synchronize with later constraints.md change.
499         * longlong.h (umul_ppmm): Replace the MIPS asm implementation
500         with a C implementation.
501         * config/mips/mips.c (mips_legitimize_move): Remove MFHI and
502         MFLO handling.
503         (mips_subword): Assume TImode for CONST_INTs if TARGET_64BIT.
504         (mips_split_doubleword_move): Use special MTHI and MFHI instructions
505         when moving to and from MD_REGNUM.
506         (mips_output_move): Don't handle moves from GPRs to HI_REGNUM.
507         Handle moves from LO_REGNUM to GPRs using MFLO, MACC or DMACC.
508         Handle byte and halfword moves.
509         (mips_hard_regno_mode_ok_p): Handle MD_REGS and DSP_ACC_REGS
510         separately.
511         * config/mips/constraints.md (h): Turn into NO_REGS.
512         (l, x): Update documentation.
513         * config/mips/mips.md (UNSPEC_MFHILO): Delete.
514         (UNSPEC_MFHI, UNSPEC_MTHI, UNSPEC_SET_HILO): New.
515         (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): Renumber.
516         (HILO): New mode iterator.
517         (MOVE128): Add TI.
518         (any_div): New code iterator.
519         (u): Extend code attribute to div and udiv.
520         (*add<mode>3_mips16, *movdi_64bit_mips16, *movsi_mips16): Use
521         d_operand in the splitters.  Remove redundant CONST_INT checks.
522         (mulsi3_mult3, mul<mode>3_internal, mul<mode>3_r4000, *mul_acc_si)
523         (*macc, *msac, *msac_using_macc, *macc2, *msac2, *mul_sub_si)
524         (*muls): Remove "=h" clobbers.  Adjust peephole2s and define_splits
525         accordingly, using normal moves instead of unspecs to move LO into
526         a GPR.  Use d_operand and lo_operand instead of *_REG_P checks.
527         (<u>mulsidi3): Handle expansion in C code.
528         (<u>mulsidi3_32bit_internal): Rename to...
529         (<u>mulsidi3_32bit): ...this.
530         (<u>mulsidi3_32bit_r4000): Fix insn separator.
531         (*<u>mulsidi3_64bit): Rename to...
532         (<u>mulsidi3_64bit): ...this.  Combine DImode "=h" and "=l" clobbers
533         into a TImode "=x" clobber.  In the split, use an UNSPEC_SET_HILO
534         to set LO and HI to the multiplication result.  Use a normal move
535         for MFLO and an unspec for MFHI.
536         (*<u>mulsidi3_64bit_parts): Replace with...
537         (<u>mulsidi3_64bit_hilo): ...this new instruction.
538         (<su>mulsi3_highpart): Extend to TARGET_FIX_R4000.
539         (<su>mulsi3_highpart_internal): Turn into a define_insn_and_split
540         and extend it to TARGET_FIX_R4000.  Store the destination in a GPR
541         instead of HI.  Split the instruction into a separate multiplication
542         and MFHI if !TARGET_FIX_R4000.
543         (<su>muldi3_highpart): Likewise.
544         (<su>mulsi3_highpart_mulhi_internal): Remove the first alternative
545         and the "=h" clobber.
546         (*<su>mulsi3_highpart_neg_mulhi_internal): Likewise.
547         (<u>mulditi3): New expander.
548         (<u>mulditi3_internal, <u>mulditi3_r4000): New patterns.
549         (madsi): Remove "=h" clobber.
550         (divmod<mode>4, udivmod<mode>4): Turn into define_insn_and_splits.
551         Force the modulus result to be a GPR and split the instruction into
552         a division followed by an MFHI after reload.
553         (<u>divmod<GPR:mode>4_hilo_<HILO:mode>): New instruction.
554         (*lea_high64): Use d_operand in the define_peephole2.  Likewise
555         the MIPS16 HIGH define_split.
556         (*movdi_32bit, *movdi_gp32_fp64, *movdi_32bit_mips16): Change type
557         of acc<->gpr moves to "multi".
558         (*movdi_64bit): Replace the single "x" alternative with
559         alternatives for moving into and out of "a".
560         (*movhi_internal, *movqi_internal): Likewise.  Use mips_output_move.
561         (*movsi_internal): Extend the "d<-A" alternative to "d<-a".
562         (*movdi_64bit_mips16, *movsi_mips16): Add d<-a alternatives.
563         Use d_operand in the splitters.  Remove redundant CONST_INT checks.
564         (*movhi_mips16, *movqi_mips16): Likewise.  Use mips_output_move.
565         (movti): New expander.
566         (*movti, *movti_mips16): New insns.
567         (mfhilo_<mode>, *mfhilo_<mode>, *mfhilo_<mode>_macc): Delete.
568         (mfhi<GPR:mode>_<HILO:mode>): New pattern.
569         (mthi<GPR:mode>_<HILO:mode>): Likewise.
570         * config/mips/predicates.md (fpr_operand): Delete.
571         (d_operand): New predicate.
572
573 2008-06-09  Michael Meissner  <michael.meissner@amd.com>
574
575         * config.gcc (i[34567]86-*-*): Put test in quotes to prevent
576         failure on some Bourne shells.
577         (x86_64-*-*): Ditto.
578
579 2008-06-09  Kai Tietz  <kai.tietz@onevision.com>
580
581         * config/i386/cygming.h (TARGET_SUBTARGET64_DEFAULT): New.
582
583 2008-06-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
584
585         * doc/install.texi (*-*-solaris2*): Remove obsolete contents.
586         (sparc-sun-solaris2*): Likewise.
587
588 2008-06-09  Arnaud Charlet  <charlet@adacore.com
589
590         * doc/install.texi: Update requirements to build the Ada compiler.
591
592 2008-06-08  Steven Bosscher  <stevenb.gcc@gmail.com>
593
594         * df-scan.c (struct df_scan_problem_data): Remove the
595         mw_link_pool alloc pool.
596         (df_scan_free_internal): Don't free it.
597         (df_scan_alloc): Don't allocate it.
598         * df.h (struct df_link): Update comment.
599
600 2008-06-08  Nathan Sidwell  <nathan@codesourcery.com>
601
602         * except.h: Correct checks for when SJLJ exceptions must be used.
603
604 2008-06-08  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
605
606         * doc/invoke.texi (Wenum-compare): Mention that it is enabled by
607         default.
608         
609 2008-06-08  Joseph Myers  <joseph@codesourcery.com>
610
611         PR tree-optimization/36218
612         * configure.ac: Use LDFLAGS="${LDFLAGS_FOR_BUILD}" when running
613         configure for the build system.
614         (BUILD_LDFLAGS): Define.
615         * configure: Regenerate.
616         * Makefile.in (BUILD_LDFLAGS): Define to @BUILD_LDFLAGS@.
617
618 2008-07-08  Anatoly Sokolov  <aesok@post.ru>
619
620         PR target/36424
621         * config/avr/avr.h (HARD_REGNO_RENAME_OK): Define.
622         * config/avr/avr.c (avr_hard_regno_rename_ok): New function. 
623         * config/avr/avr-protos.h (avr_hard_regno_rename_ok): New prototype. 
624
625 2008-06-07  Danny Smith  <dannysmith@users.sourceforge.net>
626
627         * config/i386/cygming.h (MAYBE_UWIN_CPP_BUILTINS): Remove.
628
629 2008-06-07  Joseph Myers  <joseph@codesourcery.com>
630
631         * config.gcc (Obsolete configurations): Remove list of
632         configurations.
633         (Unsupported targets list): Add *-*-linux*aout*, *-*-linux*libc1*,
634         *-*-solaris2.[0-6], *-*-solaris2.[0-6].*, *-*-sysv*.  Remove other
635         targets matched by those patterns.
636         (strongarm*-*-*, ep9312*-*-*, xscale-*-*, parisc*-*-*,
637         m680[012]0-*-*, *-*-linux*libc1*, *-*-linux*aout*,
638         alpha*-*-unicosmk*, strongarm*-*-freebsd*, ep9312-*-elf,
639         arm*-*-kaos*, cris-*-aout, parisc*64*-*-linux*, parisc*-*-linux*,
640         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
641         i[34567]86-sequent-ptx4*, i[34567]86-sequent-sysv4*,
642         i[34567]86-*-beoself*, i[34567]86-*-beos*, i[34567]86-*-sco3.2v5*,
643         i[34567]86-*-sysv5*, i[34567]86-*-sysv4*, i[34567]86-*-uwin*,
644         i[34567]86-*-kaos*, m68020-*-elf*, m68010-*-netbsdelf*,
645         mips-wrs-windiss, mt-*-elf, powerpc-*-beos*, powerpc-*-chorusos*,
646         powerpc-wrs-windiss*, powerpcle-*-sysv*, powerpc-*-kaos*,
647         powerpcle-*-kaos*, sh*-*-kaos*, sparc-*-sysv4*, strongarm-*-elf*,
648         strongarm-*-pe, strongarm-*-kaos*, vax-*-bsd*, vax-*-sysv*,
649         vax-*-ultrix*, xscale-*-elf, xscale-*-coff,
650         i[34567]86-*-linux*aout*, i[34567]86-*-linux*libc1): Remove.
651         Make code for Solaris 7 and greater unconditional for Solaris.
652         (ep9312-*-*, parisc1*, m680[012]0-*-*, parisc*-*-*, mt-*-*):
653         Remove --with-* handling.
654         * config/rs6000/sysv4.h (-mwindiss): Remove from all specs.
655         (LIB_WINDISS_SPEC, CPP_OS_WINDISS_SPEC, STARTFILE_WINDISS_SPEC,
656         ENDFILE_WINDISS_SPEC, LINK_START_WINDISS_SPEC,
657         LINK_OS_WINDISS_SPEC): Remove.
658         * config/rs6000/sysv4.opt (mwindiss): Remove.
659         * configure.ac (strongarm*-*-*, xscale*-*-*): Remove.
660         * configure: Regenerate.
661         * doc/cpp.texi: Don't mention BeOS.
662         * doc/extend.texi (interrupt): Don't mention MS1.
663         * doc/install.texi: (i386-@var{any}-sysv, m68k-bull-sysv,
664         m68k-hp-hpux, m68000-hp-hpux, m68000-att-sysv,
665         alphaev5-cray-unicosmk*, xscale-*-*, i?86-*-linux*aout,
666         i?86-*-sco3.2v5*, i?86-*-udk, m68k-hp-hpux, powerpc-*-sysv4,
667         powerpc-*-sysv4, powerpcle-*-sysv4, *-*-sysv*, vax-dec-ultrix):
668         Remove.
669         * doc/invoke.texi (MT Options): Remove.
670         (-mwindiss): Remove.
671         (CRIS Options): Remove cris-axis-aout references.
672         (HPPA Options): Don't mention hppa1.1-*-pro.
673         * doc/md.texi: (MorphoTech family): Remove.
674         * libgcc2.c: Don't handle UWIN.
675         * config/alpha/t-unicosmk: Remove.
676         * config/alpha/unicosmk.h: Remove.
677         * config/arm/kaos-arm.h: Remove.
678         * config/arm/kaos-strongarm.h: Remove.
679         * config/arm/strongarm-coff.h: Remove.
680         * config/arm/strongarm-elf.h: Remove.
681         * config/arm/strongarm-pe.h: Remove.
682         * config/arm/t-strongarm-pe: Remove.
683         * config/arm/t-xscale-coff: Remove.
684         * config/arm/t-xscale-elf: Remove.
685         * config/arm/xscale-coff.h: Remove.
686         * config/arm/xscale-elf.h: Remove.
687         * config/chorus.h: Remove.
688         * config/cris/aout.h: Remove.
689         * config/cris/aout.opt: Remove.
690         * config/cris/t-aout: Remove.
691         * config/i386/beos-elf.h: Remove.
692         * config/i386/kaos-i386.h: Remove.
693         * config/i386/ptx4-i.h: Remove.
694         * config/i386/sco5.h: Remove.
695         * config/i386/sco5.opt: Remove.
696         * config/i386/sysv4-cpp.h: Remove.
697         * config/i386/sysv5.h: Remove.
698         * config/i386/t-beos: Remove.
699         * config/i386/t-sco5: Remove.
700         * config/i386/t-uwin: Remove.
701         * config/i386/uwin.asm: Remove.
702         * config/i386/uwin.h: Remove.
703         * config/kaos.h: Remove.
704         * config/mips/windiss.h: Remove.
705         * config/mt: Remove directory.
706         * config/pa/pa-osf.h: Remove.
707         * config/pa/pa-pro-end.h: Remove.
708         * config/pa/t-pro: Remove.
709         * config/ptx4.h: Remove.
710         * config/rs6000/beos.h: Remove.
711         * config/rs6000/kaos-ppc.h: Remove.
712         * config/rs6000/t-beos: Remove.
713         * config/rs6000/windiss.h: Remove.
714         * config/sh/kaos-sh.h: Remove.
715         * config/sol2-6.h: Remove.
716         * config/sparc/sol26-sld.h: Remove.
717         * config/sparc/sysv4-only.h: Remove.
718         * config/vax/bsd.h: Remove.
719         * config/vax/t-memfuncs: Remove.
720         * config/vax/ultrix.h: Remove.
721         * config/vax/vaxv.h: Remove.
722         * config/windiss.h: Remove.
723
724 2008-06-06 Uros Bizjak <ubizjak@gmail.com>
725
726         PR rtl-optimization/36438
727         * cse.c (fold_rtx) [ASHIFT, LSHIFTRT, ASHIFTRT]: Break out early
728         for vector shifts with constant scalar shift operands.
729
730 2008-06-06  Sandip Matte  <sandip@rmicorp.com>
731
732         * doc/invoke.texi: Document -march=xlr.
733         * config/mips/xlr.md: New file.
734         * config/mips/mips.md: Include it.
735         (cpu): Add "xlr".
736         * config/mips/mips.h (PROCESSOR_XLR): New processor_type.
737         * config/mips/mips.c (mips_cpu_info_table): Add an XLR entry.
738         (mips_rtx_cost_data): Likewise.
739
740 2008-06-06  Nathan Froyd  <froydnj@codesourcery.com>
741
742         * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Remove
743         PRE_INC and PRE_DEC cases.
744
745 2008-06-06  Jakub Jelinek  <jakub@redhat.com>
746
747         PR rtl-optimization/36419
748         * except.c (expand_resx_expr): Call do_pending_stack_adjust () before
749         the emitting jump insn.
750
751         PR target/36362
752         * gimplify.c (gimplify_expr) <case TRUTH_NOT_EXPR>: If *expr_p type
753         is not bool, boolify the whole *expr_p and convert to the desired type.
754
755 2008-06-06  Jakub Jelinek  <jakub@redhat.com>
756
757         * c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805.
758         * langhooks.h (struct lang_hooks_for_decls): Add omp_finish_clause.
759         Add omp_private_outer_ref hook, add another argument to
760         omp_clause_default_ctor hook.
761         * langhooks-def.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define.
762         (LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define.
763         (LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR): Change to
764         hook_tree_tree_tree_tree_null.
765         (LANG_HOOKS_DECLS): Add LANG_HOOKS_OMP_FINISH_CLAUSE and
766         LANG_HOOKS_OMP_PRIVATE_OUTER_REF.
767         * hooks.c (hook_tree_tree_tree_tree_null): New function.
768         * hooks.h (hook_tree_tree_tree_tree_null): New prototype.
769         * tree.def (OMP_TASK): New tree code.
770         * tree.h (OMP_TASK_COPYFN, OMP_TASK_ARG_SIZE, OMP_TASK_ARG_ALIGN,
771         OMP_CLAUSE_PRIVATE_OUTER_REF, OMP_CLAUSE_LASTPRIVATE_STMT,
772         OMP_CLAUSE_COLLAPSE_ITERVAR, OMP_CLAUSE_COLLAPSE_COUNT,
773         OMP_TASKREG_CHECK, OMP_TASKREG_BODY, OMP_TASKREG_CLAUSES,
774         OMP_TASKREG_FN, OMP_TASKREG_DATA_ARG, OMP_TASK_BODY,
775         OMP_TASK_CLAUSES, OMP_TASK_FN, OMP_TASK_DATA_ARG,
776         OMP_CLAUSE_COLLAPSE_EXPR): Define.
777         (enum omp_clause_default_kind): Add OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.
778         (OMP_DIRECTIVE_P): Add OMP_TASK.
779         (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): New clause codes.
780         (OMP_CLAUSE_SCHEDULE_AUTO): New schedule kind.
781         * tree.c (omp_clause_code_name): Add OMP_CLAUSE_COLLAPSE
782         and OMP_CLAUSE_UNTIED entries.
783         (omp_clause_num_ops): Likewise.  Increase OMP_CLAUSE_LASTPRIVATE
784         num_ops to 2.
785         (walk_tree_1): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
786         Walk OMP_CLAUSE_LASTPRIVATE_STMT.
787         * tree-pretty-print.c (dump_omp_clause): Handle
788         OMP_CLAUSE_SCHEDULE_AUTO, OMP_CLAUSE_UNTIED, OMP_CLAUSE_COLLAPSE,
789         OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.
790         (dump_generic_node): Handle OMP_TASK and collapsed OMP_FOR loops.
791         * c-omp.c (c_finish_omp_for): Allow pointer iterators.  Remove
792         warning about unsigned iterators.  Change decl/init/cond/incr
793         arguments to TREE_VECs, check arguments for all collapsed loops.
794         (c_finish_omp_taskwait): New function.
795         (c_split_parallel_clauses): Put OMP_CLAUSE_COLLAPSE clause to
796         ws_clauses.
797         * c-parser.c (c_parser_omp_for_loop): Parse collapsed loops.  Call
798         default_function_array_conversion on init.  Add par_clauses argument.
799         If decl is present in parallel's lastprivate clause, change it to
800         shared and add lastprivate clause for decl to OMP_FOR_CLAUSES.
801         Add clauses argument, on success set OMP_FOR_CLAUSES to it.  Look up
802         collapse count in clauses.
803         (c_parser_omp_for, c_parser_omp_parallel): Adjust
804         c_parser_omp_for_loop callers.
805         (OMP_FOR_CLAUSE_MASK): Add 1 << PRAGMA_OMP_CLAUSE_COLLAPSE.
806         (c_parser_pragma): Handle PRAGMA_OMP_TASKWAIT.
807         (c_parser_omp_clause_name): Handle collapse and untied clauses.
808         (c_parser_omp_clause_collapse, c_parser_omp_clause_untied): New
809         functions.
810         (c_parser_omp_clause_schedule): Handle schedule(auto).
811         Include correct location in the error message.
812         (c_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE
813         and PRAGMA_OMP_CLAUSE_UNTIED.
814         (OMP_TASK_CLAUSE_MASK): Define.
815         (c_parser_omp_task, c_parser_omp_taskwait): New functions.
816         (c_parser_omp_construct): Handle PRAGMA_OMP_TASK.
817         * tree-nested.c (convert_nonlocal_omp_clauses,
818         convert_local_omp_clauses): Handle OMP_CLAUSE_LASTPRIVATE_STMT,
819         OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE,
820         OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
821         Don't handle TREE_STATIC or DECL_EXTERNAL VAR_DECLs in
822         OMP_CLAUSE_DECL.
823         (conver_nonlocal_reference, convert_local_reference,
824         convert_call_expr): Handle OMP_TASK the same as OMP_PARALLEL.  Use
825         OMP_TASKREG_* macros rather than OMP_PARALLEL_*.
826         (walk_omp_for): Adjust for OMP_FOR_{INIT,COND,INCR} changes.
827         * tree-gimple.c (is_gimple_stmt): Handle OMP_TASK.
828         * c-tree.h (c_begin_omp_task, c_finish_omp_task): New prototypes.
829         * c-pragma.h (PRAGMA_OMP_TASK, PRAGMA_OMP_TASKWAIT): New.
830         (PRAGMA_OMP_CLAUSE_COLLAPSE, PRAGMA_OMP_CLAUSE_UNTIED): New.
831         * c-typeck.c (c_begin_omp_task, c_finish_omp_task): New functions.
832         (c_finish_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and
833         OMP_CLAUSE_UNTIED.
834         * c-pragma.c (init_pragma): Init omp task and omp taskwait pragmas.
835         * c-common.h (c_finish_omp_taskwait): New prototype.
836         * gimple-low.c (lower_stmt): Handle OMP_TASK.
837         * tree-parloops.c (create_parallel_loop): Create 1 entry
838         vectors for OMP_FOR_{INIT,COND,INCR}.
839         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
840         (make_edges): Handle OMP_TASK.
841         * tree-ssa-operands.c (get_expr_operands): Handle collapsed OMP_FOR
842         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
843         * tree-inline.c (estimate_num_insns_1): Handle OMP_TASK.
844         * builtin-types.def (BT_PTR_ULONGLONG, BT_PTR_FN_VOID_PTR_PTR,
845         BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR,
846         BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR,
847         BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR,
848         BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New.
849         * omp-builtins.def (BUILT_IN_GOMP_TASK, BUILT_IN_GOMP_TASKWAIT,
850         BUILT_IN_GOMP_LOOP_ULL_STATIC_START,
851         BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_START,
852         BUILT_IN_GOMP_LOOP_ULL_GUIDED_START,
853         BUILT_IN_GOMP_LOOP_ULL_RUNTIME_START,
854         BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_START,
855         BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_START,
856         BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_START,
857         BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_START,
858         BUILT_IN_GOMP_LOOP_ULL_STATIC_NEXT,
859         BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_NEXT,
860         BUILT_IN_GOMP_LOOP_ULL_GUIDED_NEXT,
861         BUILT_IN_GOMP_LOOP_ULL_RUNTIME_NEXT,
862         BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_NEXT,
863         BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_NEXT,
864         BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_NEXT,
865         BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_NEXT): New builtins.
866         * gimplify.c (gimplify_omp_for): Allow pointer type for decl,
867         handle POINTER_PLUS_EXPR.  If loop counter has been replaced and
868         original iterator is present in lastprivate clause or if
869         collapse > 1, set OMP_CLAUSE_LASTPRIVATE_STMT.  Handle collapsed
870         OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
871         (gimplify_expr): Handle OMP_SECTIONS_SWITCH and OMP_TASK.
872         (enum gimplify_omp_var_data): Add GOVD_PRIVATE_OUTER_REF.
873         (omp_notice_variable): Set GOVD_PRIVATE_OUTER_REF if needed,
874         if it is set, lookup var in outer contexts too.  Handle
875         OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.  Handle vars that are supposed
876         to be implicitly determined firstprivate for task regions.
877         (gimplify_scan_omp_clauses): Set GOVD_PRIVATE_OUTER_REF if needed,
878         if it is set, lookup var in outer contexts too.  Set
879         OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set.
880         Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE and
881         OMP_CLAUSE_UNTIED.  Take region_type as last argument
882         instead of in_parallel and in_combined_parallel.
883         (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
884         Adjust callers.
885         (gimplify_adjust_omp_clauses_1): Set OMP_CLAUSE_PRIVATE_OUTER_REF if
886         GOVD_PRIVATE_OUTER_REF is set.  Call omp_finish_clause langhook.
887         (new_omp_context): Set default_kind to
888         OMP_CLAUSE_DEFAULT_UNSPECIFIED for OMP_TASK regions.
889         (omp_region_type): New enum.
890         (struct gimplify_omp_ctx): Remove is_parallel and is_combined_parallel
891         fields, add region_type.
892         (new_omp_context): Take region_type as argument instead of is_parallel
893         and is_combined_parallel.
894         (gimple_add_tmp_var, omp_firstprivatize_variable, omp_notice_variable,
895         omp_is_private, omp_check_private): Adjust ctx->is_parallel and
896         ctx->is_combined_parallel checks.
897         (gimplify_omp_task): New function.
898         (gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and
899         OMP_CLAUSE_UNTIED.
900         * omp-low.c (extract_omp_for_data): Use schedule(static)
901         for schedule(auto).  Handle pointer and unsigned iterators.
902         Compute fd->iter_type.  Handle POINTER_PLUS_EXPR increments.
903         Add loops argument.  Extract data for collapsed OMP_FOR loops.
904         (expand_parallel_call): Assert sched_kind isn't auto,
905         map runtime schedule to index 3.
906         (struct omp_for_data_loop): New type.
907         (struct omp_for_data): Remove v, n1, n2, step, cond_code fields.
908         Add loop, loops, collapse and iter_type fields.
909         (workshare_safe_to_combine_p): Disallow combined for if
910         iter_type is unsigned long long.  Don't combine collapse > 1 loops
911         unless all bounds and steps are constant.  Adjust extract_omp_for_data
912         caller.
913         (expand_omp_for_generic): Handle pointer, unsigned and long long
914         iterators.  Handle collapsed OMP_FOR loops.  Adjust
915         for struct omp_for_data changes.  If libgomp function doesn't return
916         boolean_type_node, add comparison of the return value with 0.
917         (expand_omp_for_static_nochunk, expand_omp_for_static_chunk): Handle
918         pointer, unsigned and long long iterators.  Adjust for struct
919         omp_for_data changes.
920         (expand_omp_for): Assert sched_kind isn't auto, map runtime schedule
921         to index 3.  Use GOMP_loop_ull*{start,next} if iter_type is
922         unsigned long long.  Allocate loops array, pass it to
923         extract_omp_for_data.  For collapse > 1 loops use always
924         expand_omp_for_generic.
925         (omp_context): Add sfield_map and srecord_type fields.
926         (is_task_ctx, lookup_sfield): New functions.
927         (use_pointer_for_field): Use is_task_ctx helper.  Change first
928         argument's type from const_tree to tree.  Clarify comment.
929         In OMP_TASK disallow copy-in/out sharing.
930         (build_sender_ref): Call lookup_sfield instead of lookup_field.
931         (install_var_field): Add mask argument.  Populate both record_type
932         and srecord_type if needed.
933         (delete_omp_context): Destroy sfield_map, clear DECL_ABSTRACT_ORIGIN
934         in srecord_type.
935         (fixup_child_record_type): Also remap FIELD_DECL's DECL_SIZE{,_UNIT}
936         and DECL_FIELD_OFFSET.
937         (scan_sharing_clauses): Adjust install_var_field callers.  For
938         firstprivate clauses on explicit tasks allocate the var by value in
939         record_type unconditionally, rather than by reference.
940         Handle OMP_CLAUSE_PRIVATE_OUTER_REF.  Scan OMP_CLAUSE_LASTPRIVATE_STMT.
941         Use is_taskreg_ctx instead of is_parallel_ctx.
942         Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
943         (create_omp_child_function_name): Add task_copy argument, use
944         *_omp_cpyfn* names if it is true.
945         (create_omp_child_function): Add task_copy argument, if true create
946         *_omp_cpyfn* helper function.
947         (scan_omp_parallel): Adjust create_omp_child_function callers.
948         Rename parallel_nesting_level to taskreg_nesting_level.
949         (scan_omp_task): New function.
950         (lower_rec_input_clauses): Don't run constructors for firstprivate
951         explicit task vars which are initialized by *_omp_cpyfn*.  
952         Pass outer var ref to omp_clause_default_ctor hook if
953         OMP_CLAUSE_PRIVATE_OUTER_REF or OMP_CLAUSE_LASTPRIVATE.
954         Replace OMP_CLAUSE_REDUCTION_PLACEHOLDER decls in
955         OMP_CLAUSE_REDUCTION_INIT.
956         (lower_send_clauses): Clear DECL_ABSTRACT_ORIGIN if in task to
957         avoid duplicate setting of fields.  Handle
958         OMP_CLAUSE_PRIVATE_OUTER_REF.
959         (lower_send_shared_vars): Use srecord_type if non-NULL.  Don't
960         copy-out if TREE_READONLY, only copy-in.
961         (expand_task_copyfn): New function.
962         (expand_task_call): New function.
963         (struct omp_taskcopy_context): New type.
964         (task_copyfn_copy_decl, task_copyfn_remap_type, create_task_copyfn):
965         New functions.
966         (lower_omp_parallel): Rename to...
967         (lower_omp_taskreg): ... this.  Use OMP_TASKREG_* macros where needed.
968         Call create_task_copyfn if srecord_type is needed.  Adjust
969         sender_decl type.
970         (task_shared_vars): New variable.
971         (check_omp_nesting_restrictions): Warn if work-sharing,
972         barrier, master or ordered region is closely nested inside OMP_TASK.
973         Add warnings for barrier if closely nested inside of work-sharing,
974         ordered, or master region.
975         (scan_omp_1): Call check_omp_nesting_restrictions even for
976         GOMP_barrier calls.  Rename parallel_nesting_level to
977         taskreg_nesting_level.  Handle OMP_TASK.
978         (lower_lastprivate_clauses): Even if some lastprivate is found on a
979         work-sharing construct, continue looking for them on parent parallel
980         construct.
981         (lower_omp_for_lastprivate): Add lastprivate clauses
982         to the beginning of dlist rather than end.  Adjust for struct
983         omp_for_data changes.
984         (lower_omp_for): Add rec input clauses before OMP_FOR_PRE_BODY,
985         not after it.  Handle collapsed OMP_FOR loops, adjust for
986         OMP_FOR_{INIT,COND,INCR} changes, adjust extract_omp_for_data caller.
987         (get_ws_args_for): Adjust extract_omp_for_data caller.
988         (scan_omp_for): Handle collapsed OMP_FOR
989         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
990         (lower_omp_single_simple): If libgomp function doesn't return
991         boolean_type_node, add comparison of the return value with 0.
992         (diagnose_sb_1, diagnose_sb_2): Handle collapsed OMP_FOR
993         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.  Handle OMP_TASK.
994         (parallel_nesting_level): Rename to...
995         (taskreg_nesting_level): ... this.
996         (is_taskreg_ctx): New function.
997         (build_outer_var_ref, omp_copy_decl): Use is_taskreg_ctx instead
998         of is_parallel_ctx.
999         (execute_lower_omp): Rename parallel_nesting_level to
1000         taskreg_nesting_level.
1001         (expand_omp_parallel): Rename to...
1002         (expand_omp_taskreg): ... this.  Use OMP_TASKREG_* macros where needed.
1003         Call omp_task_call for OMP_TASK regions.
1004         (expand_omp): Adjust caller, handle OMP_TASK.
1005         (lower_omp_1): Adjust lower_omp_taskreg caller, handle OMP_TASK.
1006
1007         * bitmap.c (bitmap_default_obstack_depth): New variable.
1008         (bitmap_obstack_initialize, bitmap_obstack_release): Do nothing
1009         if argument is NULL and bitmap_default_obstack is already initialized.
1010         * ipa-struct-reorg.c (do_reorg_1): Call bitmap_obstack_release
1011         at the end.
1012         * matrix-reorg.c (matrix_reorg): Likewise.
1013
1014 2008-06-06  Uros Bizjak  <ubizjak@gmail.com>
1015
1016         * config/i386/i386.md (*indirect_jump): Macroize using P
1017         mode iterator.  Remove !TARGET_64BIT from insn constraints.
1018         (*tablejump_1): Ditto.
1019         (*indirect_jump_rex64): Remove insn pattern.
1020         (*tablejump_1_rex64): Ditto.
1021         (eh_return_<mode>): Macroize using P mode iterator from eh_return_di
1022         and eh_return_si insn patterns.
1023
1024 2008-06-06  Richard Guenther  <rguenther@suse.de>
1025
1026         * tree-ssa-structalias.c (merge_smts_into): Remove.
1027         (find_what_p_points_to): Do not bother to compute the
1028         points-to set for pt_anything pointers.
1029         * tree-ssa-operands.c (get_addr_dereference_operands): No NMT
1030         for pt_anything pointers is ok.
1031
1032 2008-06-06  Jan Hubicka  <jh@suse.cz>
1033
1034         * passes.c (execute_ipa_pass_list): Do not regenerate summaries.
1035
1036 2008-06-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1037
1038         * cgraph.c: Fix typos in comments.
1039         (cgraph_availability_names): Fix string typo.
1040         * fold-const.c: Fix typos in comments.
1041         (fold_binary): Fix typo in warning.
1042         * genautomata.c: Fix typos in comments.
1043         (check_presence_pattern_sets): Fix typo in local variable.
1044         (output_description): Fix typo in output.
1045         * ggc-zone.c (ggc_pch_finish): Fix typo in error message.
1046         * hwint.h: Likewise.
1047         * matrix-reorg.c (check_allocation_function): Likewise.
1048         * omega.c (smooth_weird_equations): Likewise.
1049         * auto-inc-dec.c: Fix typos in comments.
1050         * bb-reorder.c: Likewise.
1051         * builtins.c: Likewise.
1052         * c-common.c: Likewise.
1053         * c-cppbuiltin.c: Likewise.
1054         * c-parser.c: Likewise.
1055         * c-pretty-print.c: Likewise.
1056         * cfgcleanup.c: Likewise.
1057         * cfgexpand.c: Likewise.
1058         * cfghooks.c: Likewise.
1059         * cfglayout.c: Likewise.
1060         * cfgloopmanip.c: Likewise.
1061         * cgraphunit.c: Likewise.
1062         * coverage.c: Likewise.
1063         * dbxout.c: Likewise.
1064         * df-byte-scan.c: Likewise.
1065         * df-core.c: Likewise.
1066         * df-problems.c: Likewise.
1067         * df-scan.c: Likewise.
1068         * dfp.c: Likewise.
1069         * dominance.c: Likewise.
1070         * domwalk.c: Likewise.
1071         * dse.c: Likewise.
1072         * dwarf2out.c: Likewise.
1073         * emit-rtl.c: Likewise.
1074         * et-forest.c: Likewise.
1075         * function.c: Likewise.
1076         * function.h: Likewise.
1077         * gcc.c: Likewise.
1078         * gcov-io.c: Likewise.
1079         * gcov.c: Likewise.
1080         * gcse.c: Likewise.
1081         * genattrtab.c: Likewise.
1082         * ggc-page.c: Likewise.
1083         * gimplify.c: Likewise.
1084         * gthr-lynx.h: Likewise.
1085         * haifa-sched.c: Likewise.
1086         * ipa-cp.c: Likewise.
1087         * ipa-inline.c: Likewise.
1088         * ipa-prop.h: Likewise.
1089         * ipa-pure-const.c: Likewise.
1090         * ipa-struct-reorg.c: Likewise.
1091         * ipa-struct-reorg.h: Likewise.
1092         * ipa-type-escape.c: Likewise.
1093         * ipa.c: Likewise.
1094         * loop-doloop.c: Likewise.
1095         * mips-tfile.c: Likewise.
1096         * mkmap-flat.awk: Likewise.
1097         * mkmap-symver.awk: Likewise.
1098         * modulo-sched.c: Likewise.
1099         * omp-low.c: Likewise.
1100         * optabs.c: Likewise.
1101         * optabs.h: Likewise.
1102         * opts.c: Likewise.
1103         * passes.c: Likewise.
1104         * postreload-gcse.c: Likewise.
1105         * postreload.c: Likewise.
1106         * predict.c: Likewise.
1107         * pretty-print.h: Likewise.
1108         * profile.c: Likewise.
1109         * protoize.c: Likewise.
1110         * ra-conflict.c: Likewise.
1111         * real.c: Likewise.
1112         * recog.c: Likewise.
1113         * regclass.c: Likewise.
1114         * regs.h: Likewise.
1115         * reload.c: Likewise.
1116         * rtl-error.c: Likewise.
1117         * rtlanal.c: Likewise.
1118         * scan.h: Likewise.
1119         * sched-rgn.c: Likewise.
1120         * see.c: Likewise.
1121         * stmt.c: Likewise.
1122         * target.h: Likewise.
1123         * tree-dfa.c: Likewise.
1124         * tree-eh.c: Likewise.
1125         * tree-flow-inline.h: Likewise.
1126         * tree-inline.c: Likewise.
1127         * tree-into-ssa.c: Likewise.
1128         * tree-loop-distribution.c: Likewise.
1129         * tree-nested.c: Likewise.
1130         * tree-parloops.c: Likewise.
1131         * tree-pass.h: Likewise.
1132         * tree-pretty-print.c: Likewise.
1133         * tree-profile.c: Likewise.
1134         * tree-scalar-evolution.c: Likewise.
1135         * tree-sra.c: Likewise.
1136         * tree-ssa-alias-warnings.c: Likewise.
1137         * tree-ssa-ccp.c: Likewise.
1138         * tree-ssa-coalesce.c: Likewise.
1139         * tree-ssa-dom.c: Likewise.
1140         * tree-ssa-dse.c: Likewise.
1141         * tree-ssa-forwprop.c: Likewise.
1142         * tree-ssa-live.c: Likewise.
1143         * tree-ssa-live.h: Likewise.
1144         * tree-ssa-loop-im.c: Likewise.
1145         * tree-ssa-loop-ivopts.c: Likewise.
1146         * tree-ssa-loop-niter.c: Likewise.
1147         * tree-ssa-loop-prefetch.c: Likewise.
1148         * tree-ssa-phiopt.c: Likewise.
1149         * tree-ssa-phiprop.c: Likewise.
1150         * tree-ssa-sccvn.c: Likewise.
1151         * tree-ssa-ter.c: Likewise.
1152         * tree-ssa-threadupdate.c: Likewise.
1153         * tree-ssa.c: Likewise.
1154         * tree-vect-analyze.c: Likewise.
1155         * tree-vect-transform.c: Likewise.
1156         * tree-vectorizer.c: Likewise.
1157         * tree-vn.c: Likewise.
1158         * tree-vrp.c: Likewise.
1159         * tree.c: Likewise.
1160         * tree.def: Likewise.
1161         * tree.h: Likewise.
1162         * unwind-dw2-fde.c: Likewise.
1163         * unwind.inc: Likewise.
1164         * value-prof.c: Likewise.
1165         * vmsdbgout.c: Likewise.
1166
1167 2008-06-05  David Edelsohn  <edelsohn@gnu.org>
1168
1169         * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Do not
1170         always place FP constants in the TOC for TARGET_POWERPC64.
1171         * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Same.
1172
1173 2008-06-05  Joseph Myers  <joseph@codesourcery.com>
1174
1175         * config.gcc (powerpc-*-linux*spe*): Use t-dfprules.
1176         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): Do not
1177         enable for TARGET_E500_DOUBLE.
1178         (*movdd_softfloat32): Also enable for !TARGET_FPRS.
1179         * config/rs6000/rs6000.c (invalid_e500_subreg): Treat decimal
1180         floating-point modes like integer modes for E500 double.
1181         (rs6000_legitimate_offset_address_p): Likewise.
1182         (rs6000_legitimize_address): Likewise.  Do not allow REG+REG
1183         addressing for DDmode for E500 double.
1184         (rs6000_hard_regno_nregs): Do not treat decimal floating-point
1185         modes as using 64-bits of registers for E500 double.
1186         (spe_build_register_parallel): Do not handle DDmode or TDmode.
1187         (rs6000_spe_function_arg): Do not handle DDmode or TDmode
1188         specially for E500 double.
1189         (function_arg): Do not call rs6000_spe_function_arg for DDmode or
1190         TDmode for E500 double.
1191         (rs6000_gimplify_va_arg): Only handle SDmode in registers
1192         specially if TARGET_HARD_FLOAT && TARGET_FPRS.
1193         (rs6000_split_multireg_move): Do not handle TDmode specially for
1194         E500 double.
1195         (spe_func_has_64bit_regs_p): Do not treat DDmode or TDmode as
1196         using 64-bit registers for E500 double.
1197         (emit_frame_save): Do not handle DDmode specially for E500 double.
1198         (gen_frame_mem_offset): Likewise.
1199         (rs6000_function_value): Do not call spe_build_register_parallel
1200         for DDmode or TDmode.
1201         (rs6000_libcall_value): Likewise.
1202         * config/rs6000/rs6000.h (LOCAL_ALIGNMENT, MEMBER_TYPE_FORCES_BLK,
1203         DATA_ALIGNMENT, CLASS_MAX_NREGS): Do not handle DDmode specially
1204         for E500 double.
1205
1206 2008-06-04  H.J. Lu  <hongjiu.lu@intel.com>
1207
1208         * config/i386/i386.c (setup_incoming_varargs_64): Fix a typo
1209         in comments.
1210
1211 2008-06-04  Junjie Gu <jgu@tensilica.com>
1212
1213         * config/xtensa/lib2funcs.S (__xtensa_nonlocal_goto): Use unsigned
1214         comparison for frame pointers.
1215
1216 2008-06-04  Andy Hutchinson  <hutchinsonandy@aim.com>
1217
1218         PR target/27386
1219         * config/avr/avr.h (PUSH_ROUNDING): Remove.
1220
1221 2008-06-04  Andy Hutchinson  <hutchinsonandy@aim.com>
1222
1223         PR target/30243
1224         * builtins.c (expand_builtin_signbit): Don't take lowpart when
1225         register is already smaller or equal to required mode. 
1226
1227 2008-06-04  Xinliang David Li  <davidxl@google.com>
1228
1229         * tree-call-cdce.c: New file. 
1230         (cond_dead_built_in_calls): New static variable.
1231         (input_domain): New struct.
1232         (check_pow): New function.
1233         (check_builtin_call): Ditto.
1234         (check_target_format): Ditto.
1235         (is_call_dce_candidate): Ditto.
1236         (gen_one_condition): Ditto.
1237         (gen_conditions_for_domain): Ditto.
1238         (get_domain): Ditto.
1239         (gen_conditions_for_pow_cst_base): Ditto.
1240         (gen_conditions_for_pow_int_base): Ditto.
1241         (gen_conditions_for_pow): Ditto.
1242         (get_no_error_domain): Ditto.
1243         (gen_shrink_wrap_conditions): Ditto.
1244         (shrink_wrap_one_built_in_call): Ditto.
1245         (shink_wrap_conditional_dead_built_in_calls): Ditto.
1246         (tree_call_cdce): Ditto.
1247         (gate_call_cdce): Ditto.
1248         (pass_call_cdce): New gimple pass.
1249         * passes.c: (init_optimization_passes): New pass.
1250         * tree-pass.h: New pass declaration.
1251         * opts.c (decode_options): New flag setting.
1252         * common.opt: Add -ftree-builtin-call-dce flag.
1253         * Makefile.in: Add new source file.
1254         * tempvar.def: New tv_id.
1255         * doc/invoke.texi (-ftree-builtin-call-dce): New flag.
1256
1257 2008-06-04  Richard Guenther  <rguenther@suse.de>
1258
1259         * tree-flow-inline.h (is_global_var): Do not check TREE_STATIC on MTAGs.
1260         (is_call_clobbered): Always check var_ann->call_clobbered.
1261         (mark_call_clobbered): Always set var_ann->call_clobbered.
1262         (clear_call_clobbered): Always clear var_ann->call_clobbered.
1263         * tree-ssa-alias.c (mark_non_addressable): Use clear_call_clobbered.
1264         (reset_alias_info): Clear call clobbering info on MTAGs and
1265         globals as well.
1266         (set_pt_anything): Set pt_global_mem.
1267         (create_tag_raw): Adjust comment.
1268         (may_be_aliased): Do not check TREE_PUBLIC on MTAGs.
1269
1270 2008-06-04  Joseph Myers  <joseph@codesourcery.com>
1271             Maxim Kuvyrkov  <maxim@codesourcery.com>
1272
1273         * config/m68k/m68k.opt (mxgot): New option.
1274         * config/m68k/m68k.c (legitimize_pic_address): Handle -mxgot.
1275         (m68k_output_addr_const_extra): New.
1276         * config/m68k/m68k.h (OUTPUT_ADDR_CONST_EXTRA): New.
1277         * config/m68k/m68k-protos.h (m68k_output_addr_const_extra): Declare.
1278         * config/m68k/m68k.md (UNSPEC_GOTOFF): Define.
1279         * doc/invoke.texi (M680x0 Options): Document -mxgot.
1280
1281 2008-06-04  Richard Guenther  <rguenther@suse.de>
1282
1283         * tree-ssa-structalias.c (handle_ptr_arith): Correctly handle
1284         negative or non-representable offsets.
1285
1286 2008-06-03  H.J. Lu  <hongjiu.lu@intel.com>
1287
1288         * config/i386/i386.c (ix86_gen_leave): New.
1289         (ix86_gen_pop1): Likewise.
1290         (ix86_gen_add3): Likewise.
1291         (ix86_gen_sub3): Likewise.
1292         (ix86_gen_sub3_carry): Likewise.
1293         (ix86_gen_one_cmpl2): Likewise.
1294         (ix86_gen_monitor): Likewise.
1295         (override_options): Initialize ix86_gen_leave, ix86_gen_pop1,
1296         ix86_gen_add3, ix86_gen_sub3, ix86_gen_sub3_carry,
1297         ix86_gen_one_cmpl2 and ix86_gen_monitor.
1298         (ix86_file_end): Use mov%z0 instead of mov{q}/mov{l}.
1299         (output_set_got): Use mov%z0, pop%z0 and add%z0 instead of
1300         mov{q}/mov{l}, pop{q}/pop{l} and add{q}/add{l}.
1301         (ix86_expand_epilogue): Updated.
1302         (print_operand): Handle integer register operand for 'z'.
1303         (ix86_expand_strlensi_unroll_1): Likewise.
1304         (ix86_expand_strlen): Likewise.
1305         (ix86_expand_builtin): Likewise.
1306         (x86_output_mi_thunk): Use mov%z1 and add%z1 instead of
1307         mov{q}/mov{l} and add{q}/add{l}.
1308
1309 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
1310
1311         * config/i386/i386.md (P): New mode iterator.
1312         (SFmode push_operand splitter): Macroize DImode and SImode pushes
1313         using P mode iterator.
1314         (DFmode push_operand splitter): Ditto.
1315         (XFmode push_operand splitter): Ditto.
1316         (DFmode float_extend SFmode push_operand splitter): Ditto.
1317         (XFmode float_extend SFmode push_operand splitter): Do not generate
1318         SImode pushes for 64bit target.  Macroize Dimode and SImode
1319         pushes using P mode iterator.
1320         (XFmode float_extend DFmode push_operand splitter): Ditto.
1321
1322 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
1323
1324         * config/i386/i386-protos.h (ix86_reg_parm_stack_space): New.
1325         * config/i386/i386.h (ix86_reg_parm_stack_space): Removed prototype.
1326         * config/i386/i386.c (ix86_reg_parm_stack_space): Changed
1327         return type to int.
1328         (ix86_call_abi_override): Remove check for call_used_regs.
1329
1330 2008-06-03  Richard Guenther  <rguenther@suse.de>
1331
1332         * tree-ssa-structalias.c (find_func_aliases): Add constraints
1333         for the lhs of calls if the return type contains pointers.
1334
1335 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
1336
1337         * doc/tm.texi (OVERRIDE_ABI_FORMAT): New.
1338         * doc/extend.texi (ms_abi,sysv_abi): New attribute description.
1339         * function.c (allocate_struct_function): Use of OVERRIDE_ABI_FORMAT.
1340         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Make use
1341         of cfun and DEFAULT_ABI to deceide abi mode.
1342         (DEFAULT_ABI): New.
1343         (REG_PARM_STACK_SPACE): Removed.
1344         (OUTGOING_REG_PARM_STACK_SPACE): Removed.
1345         (STACK_BOUNDARY): Use default target to deceide stack boundary.
1346         * config/i386/i386-protos.h (ix86_cfun_abi): New.
1347         (ix86_function_abi): Likewise.
1348         (ix86_function_type_abi): Likewise.
1349         (ix86_call_abi_override): Likewise.
1350         * confid/i386/i386.md (SSE_REGPARM_MAX): Replaced by abi
1351         specific define X86_64_SSE_REGPARM_MAX/X64_SSE_REGPARM_MAX.
1352         * config/i386/i386.c (override_options): Replace TARGET_64BIT_MS_ABI.
1353         (X86_64_VARARGS_SIZE): Replace REGPARM_MAX and SSE_REGPARM_MAX by abi
1354         specific defines.
1355         (X86_64_REGPARM_MAX): New.
1356         (X86_64_SSE_REGPARM_MAX): New.
1357         (X64_REGPARM_MAX): New.
1358         (X64_SSE_REGPARM_MAX): New.
1359         (X86_32_REGPARM_MAX): New.
1360         (X86_32_SSE_REGPARM_MAX): New.
1361         (ix86_handle_cconv_attribute): Replace TARGET_64BIT_MS_ABI.
1362         (ix86_function_regparm): Handle user calling abi.
1363         (ix86_function_arg_regno_p): Replace TARGET_64BIT_MS_ABI
1364         by DEFAULT_ABI versus SYSV_ABI check.
1365         (ix86_reg_parm_stack_space): New.
1366         (ix86_function_type_abi): New.
1367         (ix86_call_abi_override): New.
1368         (ix86_function_abi): New.
1369         (ix86_cfun_abi): New.
1370         (init_cumulative_args): Call abi specific initialization.
1371         (function_arg_advance): Remove TARGET_64BIT_MS_ABI.
1372         (function_arg_64): Extend SSE_REGPARM_MAX check.
1373         (function_arg (): Remove TARGET_64BIT_MS_ABI.
1374         (ix86_pass_by_reference): Likewise.
1375         (ix86_function_value_regno_p): Likewise.
1376         (function_value_64): Replace REGPARM_MAX, and SSE_REGPARM_MAX.
1377         (ix86_function_value_1): Replace TARGET_64BIT_MS_ABI.
1378         (return_in_memory_ms_64): Replace TARGET_64BIT_MS_ABI.
1379         (ix86_build_builtin_va_list): Replace TARGET_64BIT_MS_ABI.
1380         (setup_incoming_varargs_64): Adjust regparm for call abi.
1381         (ix86_setup_incoming_varargs): Replace TARGET_64BIT_MS_ABI.
1382         (ix86_va_start): Likewise.
1383         (ix86_gimplify_va_arg): Likewise.
1384         (ix86_expand_prologue): Likewise.
1385         (output_pic_addr_const): Likewise.
1386         (ix86_init_machine_status): Initialize call_abi by DEFAULT_ABI.
1387         (x86_this_parameter): Replace TARGET_64BIT_MS_ABI.
1388         (x86_output_mi_thunk): Likewise.
1389         (x86_function_profiler): Likewise.
1390         * config/i386/i386.h (TARGET_64BIT_MS_ABI): Use ix64_cfun_abi.
1391         (SYSV_ABI, MS_ABI): New constants.
1392         (DEFAULT_ABI): New.
1393         (init_regs): Add prototype of function in regclass.c file.
1394         (OVERRIDE_ABI_FORMAT): New.
1395         (CONDITIONAL_REGISTER_USAGE): Remove TARGET_64BIT_MS_ABI part.
1396         (REG_PARM_STACK_SPACE): Use ix86_reg_parm_stack_space.
1397         (OUTGOING_REG_PARM_STACK_SPACE): New.
1398         (ix86_reg_parm_stack_space): New prototype.
1399         (CUMULATIVE_ARGS): Add call_abi member.
1400         (machine_function): Add call_abi member.
1401         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Replace
1402         TARGET_64BIT_MS_ABI by DEFAULT_ABI compare to MS_ABI.
1403
1404 2008-06-02  Andy Hutchinson  <hutchinsonandy@aim.com> 
1405
1406         PR target/34879
1407         * config/avr/avr.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Redefine.
1408         (avr_builtin_setjmp_frame_value): New function.
1409         * config/avr/avr.md (nonlocal_goto_receiver): Define.
1410         (nonlocal_goto): Define.
1411
1412 2008-06-02  Richard Sandiford  <rdsandiford@googlemail.com>
1413
1414         * config/mips/mips.c (mips_emit_loadgp): Return early if
1415         there is nothing do to, otherwise emit a blockage if
1416         !TARGET_EXPLICIT_RELOCS || crtl->profile.
1417         * config/mips/mips.md (loadgp_blockage): Use SI rather than DI.
1418
1419 2008-06-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1420
1421         * configure.ac: Drop unneeded backslash ending up in config.in.
1422         * acinclude.m4: Likewise.
1423         * config.in: Regenerate.
1424
1425 2008-05-26  Jan Hubicka  <jh@suse.cz>
1426
1427         * predict.c (maybe_hot_frequency_p): Break out of...
1428         (maybe_hot_bb_p): ... here.
1429         (maybe_hot_edge_p): New.
1430         * tree-ssa-coalesce.c (coalesce_cost_edge): Compute cost based on edge.
1431         * basic-block.h (maybe_hot_edge_p): Declare.
1432
1433 2008-05-31  Uros Bizjak  <ubizjak@gmail.com>
1434
1435         * config/i386/i386.md (*cmpfp_<mode>): Enable for optimize_size.
1436         (*cmpfp_<mode>_cc): Ditto.
1437         (*fp_jcc_8<mode>_387): Ditto.
1438         (*fop_<MODEF:mode>_2_i387): Ditto.
1439         (*fop_<MODEF:mode>_3_i387): Ditto.
1440         (*fop_xf_2_i387): Ditto.
1441         (*fop_xf_3_i387): Ditto.
1442
1443 2008-06-02  Tomas Bily  <tbily@suse.cz>
1444
1445         * tree-ssa-ifcombine.c (get_name_for_bit_test): Use CONVERT_EXPR_P.
1446
1447 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
1448
1449         * config/mips/mips.c (mips_valid_offset_p): New function.
1450         (mips_valid_lo_sum_p): Likewise.
1451         (mips_classify_address): Use them.
1452         (mips_force_address): New function.
1453         (mips_legitimize_address): Use it.
1454         * config/mips/mips.md (MOVE128): New mode iterator.
1455         (movtf): Require TARGET_64BIT.  Remove empty strings.
1456         (*movtf_internal): Rename to...
1457         (*movtf): ...this and require !TARGET_MIPS16.  Use "m" instead
1458         of "R" and use {,fp}{load,store} attributes instead of "multi".
1459         Use a separate define_split.
1460         (*movtf_mips16): New pattern.
1461
1462 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
1463
1464         * config/mips/mips-protos.h (mips_expand_before_return): Declare.
1465         * config/mips/mips.c (mips_expand_before_return): New function.
1466         (mips_expand_epilogue): Call it.
1467         * config/mips/mips.md (return): Turn into a define_expand.
1468         (*return): New insn.
1469
1470 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
1471
1472         * rtl.h (emit_clobber, gen_clobber, emit_use, gen_use): Declare.
1473         * emit-rtl.c (emit_clobber, gen_clobber, emit_use, gen_use): New
1474         functions.  Do not emit uses and clobbers of CONCATs; individually
1475         use and clobber their operands.
1476         * builtins.c (expand_builtin_setjmp_receiver): Use emit_clobber,
1477         gen_clobber, emit_use and gen_use.
1478         (expand_builtin_longjmp, expand_builtin_nonlocal_goto): Likewise.
1479         (expand_builtin_return): Likewise.
1480         * cfgbuild.c (count_basic_blocks): Likewise.
1481         * cfgrtl.c (rtl_flow_call_edges_add): Likewise.
1482         * explow.c (emit_stack_restore): Likewise.
1483         * expmed.c (extract_bit_field_1): Likewise.
1484         * expr.c (convert_move, emit_move_complex_parts): Likewise.
1485         (emit_move_multi_word, store_constructor): Likewise.
1486         * function.c (do_clobber_return_reg, do_use_return_reg): Likewise.
1487         (thread_prologue_and_epilogue_insns): Likewise.
1488         * lower-subreg.c (resolve_simple_move): Likewise.
1489         * optabs.c (widen_operand, expand_binop): Likewise.
1490         (expand_doubleword_bswap, emit_no_conflict_block): Likewise.
1491         * reload.c (find_reloads): Likewise.
1492         * reload1.c (eliminate_regs_in_insn): Likewise.
1493         * stmt.c (expand_nl_goto_receiver): Likewise.
1494         * config/alpha/alpha.md (builtin_longjmp): Likewise.
1495         * config/arc/arc.md (*movdi_insn, *movdf_insn): Likewise.
1496         * config/arm/arm.c (arm_load_pic_register): Likewise.
1497         (thumb1_expand_epilogue, thumb_set_return_address): Likewise.
1498         * config/arm/arm.md (untyped_return): Likewise.
1499         * config/arm/linux-elf.h (PROFILE_HOOK): Likewise.
1500         * config/avr/avr.c (expand_prologue): Likewise.
1501         * config/bfin/bfin.c (do_unlink): Likewise.
1502         * config/bfin/bfin.md (<optab>di3, adddi3, subdi3): Likewise.
1503         * config/cris/cris.c (cris_expand_prologue): Likewise.
1504         * config/darwin.c (machopic_indirect_data_reference): Likewise.
1505         (machopic_legitimize_pic_address): Likewise.
1506         * config/frv/frv.c (frv_frame_access, frv_expand_epilogue): Likewise.
1507         (frv_ifcvt_modify_insn, frv_expand_mdpackh_builtin): Likewise.
1508         * config/i386/i386.c (ix86_expand_vector_move_misalign): Likewise.
1509         (ix86_expand_convert_uns_didf_sse): Likewise.
1510         (ix86_expand_vector_init_general): Likewise.
1511         * config/ia64/ia64.md (eh_epilogue): Likewise.
1512         * config/iq2000/iq2000.c (iq2000_expand_epilogue): Likewise.
1513         * config/m32c/m32c.c (m32c_emit_eh_epilogue): Likewise.
1514         * config/m32r/m32r.c (m32r_reload_lr): Likewise.
1515         (config/iq2000/iq2000.c): Likewise.
1516         * config/mips/mips.md (fixuns_truncdfsi2): Likewise.
1517         (fixuns_truncdfdi2, fixuns_truncsfsi2, fixuns_truncsfdi2): Likewise.
1518         (builtin_longjmp): Likewise.
1519         * config/mn10300/mn10300.md (call, call_value): Likewise.
1520         * config/pa/pa.md (nonlocal_goto, nonlocal_longjmp): Likewise.
1521         * config/pdp11/pdp11.md (abshi2): Likewise.
1522         * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
1523         * config/s390/s390.c (s390_emit_prologue): Likewise.
1524         * config/s390/s390.md (movmem_long, setmem_long): Likewise.
1525         (cmpmem_long, extendsidi2, zero_extendsidi2, udivmoddi4): Likewise.
1526         (builtin_setjmp_receiver, restore_stack_nonlocal): Likewise.
1527         * config/sh/sh.c (prepare_move_operands): Likewise.
1528         (output_stack_adjust, sh_expand_epilogue): Likewise.
1529         (sh_set_return_address, sh_expand_t_scc): Likewise.
1530         * config/sparc/sparc.c (load_pic_register): Likewise.
1531         * config/sparc/sparc.md (untyped_return, nonlocal_goto): Likewise.
1532         * config/spu/spu.c (spu_expand_epilogue): Likewise.
1533         * config/v850/v850.c (expand_epilogue): Likewise.
1534
1535 2008-05-31  Anatoly Sokolov  <aesok@post.ru>
1536
1537         * config/avr/avr.md (UNSPECV_WRITE_SP_IRQ_ON): New constants.
1538         (UNSPECV_WRITE_SP_IRQ_OFF): (Ditto.).
1539         (movhi_sp_r_irq_off, movhi_sp_r_irq_on): New insn.
1540         * config/avr/avr.c (expand_prologue, expand_epilogue): Use 
1541         movhi_sp_r_irq_off and movhi_sp_r_irq_on insns for writing to the 
1542         stack pointer register.
1543         (output_movhi): Remove code for interrupt specific writing to the 
1544         stack pointer register.
1545
1546 2008-05-31  Richard Guenther  <rguenther@suse.de>
1547
1548         PR tree-optimization/34244
1549         * fold-const.c (tree_expr_nonnegative_warnv_p): Do not ask VRP.
1550         (tree_expr_nonzero_warnv_p): Likewise.
1551         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
1552         ssa_name_nonnegative_p.
1553         (vrp_expr_computes_nonzero): Call ssa_name_nonzero_p.
1554         (extract_range_from_unary_expr): Use vrp_expr_computes_nonzero,
1555         not tree_expr_nonzero_warnv_p.
1556
1557         PR tree-optimization/36262
1558         Revert
1559         2007-11-29  Zdenek Dvorak  <ook@ucw.cz>
1560
1561         PR tree-optimization/34244
1562         * tree-vrp.c (adjust_range_with_scev): Clear scev cache.
1563         (record_numbers_of_iterations): New function.
1564         (execute_vrp): Cache the numbers of iterations of loops.
1565         * tree-scalar-evolution.c (scev_reset_except_niters):
1566         New function.
1567         (scev_reset): Use scev_reset_except_niters.
1568         * tree-scalar-evolution.h (scev_reset_except_niters): Declare.
1569
1570 2008-05-31  Bernd Schmidt  <bernd.schmidt@analog.com>
1571
1572         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
1573         __WORKAROUND_RETS when appropriate.
1574
1575 2008-05-31  Uros Bizjak  <ubizjak@gmail.com>
1576
1577         * config/i386/i386.md (*fop_<mode>_comm_mixed): Macroize from
1578         *fop_sf_comm_mixed and *fop_df_comm_mixed insn patterns using MODEF
1579         mode iterator.
1580         (*fop_<mode>_comm_sse): Macroize from *fop_sf_comm_sse and
1581         *fop_df_comm_sse insn patterns using MODEF mode iterator.
1582         (*fop_<mode>_comm_i387): Macroize from *fop_sf_comm_i387 and
1583         *fop_df_comm_i387 insn patterns using MODEF mode iterator.
1584         (*fop_<mode>_1_mixed): Macroize from *fop_sf_1_mixed and
1585         *fop_df_1_mixed insn patterns using MODEF mode iterator.
1586         (*fop_<mode>_1_sse): Macroize from *fop_sf_1_sse and
1587         *fop_df_1_sse insn patterns using MODEF mode iterator.
1588         (*fop_<mode>_1_i387): Macroize from *fop_sf_1_i387 and
1589         *fop_df_1_i387 insn patterns using MODEF mode iterator.
1590         (*fop_<MODEF:mode>_2_i387): Macroize from *fop_sf_2<mode>_i387 and
1591         *fop_df_2<mode>_i387 insn patterns using MODEF mode iterator.
1592         (*fop_<MODEF:mode>_3_i387): Macroize from *fop_sf_3<mode>_i387 and
1593         *fop_df_3<mode>_i387 insn patterns using MODEF mode iterator.
1594         (*fop_xf_2_i387): Rename from *fop_xf_2<mode>_i387.
1595         (*fop_xf_3_i387): Rename from *fop_xf_3<mode>_i387.
1596         (*fop_xf_4_i387): Use <MODE> for mode attribute.
1597         (*fop_xf_5_i387): Ditto.
1598         (*fop_xf_6_i387): Ditto.
1599
1600 2008-05-30  Richard Guenther  <rguenther@suse.de>
1601
1602         * builtins.c (build_string_literal): Avoid generating
1603         a non-gimple_val result.
1604
1605 2008-05-30  DJ Delorie  <dj@redhat.com>
1606
1607         * exec-tool.in: Use an environment variable (private) instead of a
1608         file (shared) as a semaphore, so as to not break parallel builds.
1609
1610 2008-05-30  Steven Bosscher  <stevenb.gcc@gmail.com>
1611
1612         * optabs.c (maybe_encapsulate_block): Remove.
1613         (emit_libcall_block): Adjust accordingly.
1614         * optabs.h (maybe_encapsulate_block): Remove prototype.
1615
1616         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address):
1617         Don't use maybe_encapsulate_block.
1618
1619 2008-05-30  Steven Bosscher  <stevenb.gcc@gmail.com>
1620
1621         * config/rs6000/rs6000.c (rs6000_legitimize_address,
1622         rs6000_legitimize_reload_address, rs6000_emit_move): Make sure an
1623         rtx is a SYMBOL_REF before calling get_pool_constant.
1624
1625 2008-05-30  Eric Botcazou  <ebotcazou@adacore.com>
1626
1627         * fold-const.c (fold_unary) <CASE_CONVERT>: Add ??? comment.
1628
1629 2008-05-30  Danny Smith  <dannysmith@users.sourceforge.net>
1630
1631         * incpath.c: Use HOST_LACKS_INODE_NUMBERS conditional
1632         rather than OS names to choose INO_T_EQ definition.
1633         (DIRS_EQ) [!INO_T_EQ]: Don't worry about case in comparison.
1634         (add_path) [!INO_T_EQ]: Use lrealpath to fill canonical_name field.
1635
1636 2008-05-29  Daniel Franke  <franke.daniel@gmail.com>
1637
1638         PR target/36348
1639         * config/darwin-f.c: New.
1640         * config/t-darwin: Added rule to build darwin-f.o.
1641         * config.gcc: Defined new variable, fortran_target_objs.
1642         (*-*-darwin*): Set fortran_target_objs.
1643         * Makefile.in: Defined new variable FORTRAN_TARGET_OBJS.
1644         * configure.ac: Substitute fortran_target_objs, set FORTRAN_TARGET_OBJS.
1645         * configure: Regenerated.
1646
1647 2008-05-29  H.J. Lu  <hongjiu.lu@intel.com>
1648
1649         PR target/35771
1650         * config/i386/i386.c (ix86_function_arg_boundary): Convert to
1651         canonical type if needed.
1652
1653 2008-05-29  Eric Botcazou  <ebotcazou@adacore.com>
1654
1655         * tree-nested.c (check_for_nested_with_variably_modified): Fix typo.
1656
1657 2008-05-29  Richard Guenther  <rguenther@suse.de>
1658
1659         PR tree-optimization/36343
1660         PR tree-optimization/36346
1661         PR tree-optimization/36347
1662         * tree-flow.h (clobber_what_p_points_to): Declare.
1663         * tree-ssa-structalias.c (set_uids_in_ptset): Whether the
1664         pointed-to variable is dereferenced is irrelevant to whether
1665         the pointer can access the pointed-to variable.
1666         (clobber_what_p_points_to): New function.
1667         * tree-ssa-alias.c (set_initial_properties): Use it.
1668         * tree-ssa.c (verify_flow_sensitive_alias_info): Adjust
1669         call clobber check for NMTs.
1670
1671 2008-05-28  Seongbae Park  <seongbae.park@gmail.com>
1672         
1673         * value-prof.c (tree_ic_transform): Use HOST_WIDEST_INT_PRINT_DEC
1674         for printing gcov_type.
1675
1676 2008-05-28  Seongbae Park  <seongbae.park@gmail.com>
1677
1678         * tree-ssa-propagate.c (set_rhs): Preserve the histogram
1679         and the eh region information.
1680         * value-prof.c (gimple_move_stmt_histograms): New function.
1681         * value-prof.h (gimple_move_stmt_histograms): New function declaration.
1682
1683 2008-05-28  Andreas Tobler  <a.tobler@schweiz.org>
1684
1685         * config/pa/pa.md: Remove extern frame_pointer_needed declaration.
1686
1687 2008-05-28  Seongbae Park <seongbae.park@gmail.com>
1688
1689         * value-prof.c (tree_ic_transform): Print counts.
1690         * tree-profile.c (tree_gen_ic_func_profiler):
1691         Clear __gcov_indreict_call_callee variable to avoid misattribution
1692         of the profile.
1693
1694 2008-05-28  Rafael Espindola  <espindola@google.com>
1695
1696         * see.c (see_def_extension_not_merged): Use copy_rtx_if_shared to avoid
1697         invalid sharing.
1698
1699 2008-05-28  Richard Guenther  <rguenther@suse.de>
1700
1701         PR tree-optimization/36339
1702         * tree-ssa-alias.c (set_initial_properties): Move pt_anything
1703         and clobbering code out of the loop.
1704
1705 2008-05-28  Andreas Krebbel  <krebbel1@de.ibm.com>
1706
1707         * config/s390/constraints.md ('b', 'C', 'D', 'e'): New constraint
1708         letters defined.
1709
1710         * config/s390/s390.c (s390_compare_and_branch_condition_mask,
1711         s390_contiguous_bitmask_p, s390_symref_operand_p,
1712         s390_check_symref_alignment, s390_reload_larl_operand,
1713         s390_reload_symref_address): New functions.
1714         (s390_branch_condition_mnemonic): Support compare and branch
1715         instructions.
1716         (s390_mem_constraint): Avoid symrefs to accepted by the 'T'
1717         and 'W' constraints.
1718         (s390_secondary_reload): Add secondary reloads for unaligned
1719         symbol refs or symbol refs to floating point or QI/TI mode
1720         integer values.
1721         (legitimate_address_p): Accept symbol references as addresses.
1722         (s390_expand_insv): Use rotate and insert selected bits
1723         instruction for insv when building for z10.
1724         (print_operand_address): Handle symbol ref addresses.
1725         (print_operand): Output modifier 'c' added for signed byte values.
1726         (s390_encode_section_info): Mark symbol refs with
1727         SYMBOL_FLAG_NOT_NATURALLY_ALIGNED if appropriate.
1728
1729         * config/s390/s390.md (SIL,RRS,RIS): New instruction formats added.
1730         (length attribute): RRF, RRR have 4 byte length.
1731         (FPALL, INTALL): New mode iterators added.
1732         (*tstdi_sign, *cmpdi_ccs_sign, *cmpsi_ccs_sign,
1733         *cmp<mode>_ccs, *cmpdi_ccu_zero, *cmpdi_ccu, *cmpsi_ccu, *cmphi_ccu,
1734         *movdi_64, *movsi_zarch, *movhi, movmem<mode>, *movmem_short,
1735         *extendsidi2, *extendhidi2_extimm, *extendhisi2_extimm,
1736         *zero_extendsidi2, adddi3, *adddi3_31z, *adddi3_31, addsi3,
1737         *add<mode>3, *add<mode>3_carry1_cc, *add<mode>3_carry2_cc,
1738         *add<mode>3_cc, *add<mode>3_imm_cc, *muldi3_sign, muldi3,
1739         *mulsi3_sign, mulsi3, mulsidi3): Patterns enhanced with z10
1740         instructions.
1741         (*cmphi_ccs_z10, *cmpdi_ccs_signhi_rl, *cmpsi_ccu_zerohi_rlsi,
1742         *cmp<GPR:mode>_ccu_zerohi_rldi, *cmp_and_br_signed_<mode>,
1743         *cmp_and_br_unsigned_<mode>, reload<INTALL:mode><P:mode>_tomem_z10,
1744         reload<INTALL:mode><P:mode>_toreg_z10,
1745         reload<FPALL:mode><P:mode>_tomem_z10,
1746         reload<FPALL:mode><P:mode>_toreg_z10,
1747         reload<P:mode>_larl_odd_addend_z10, *execute_rl, *insv<mode>_z10,
1748         *insv<mode>_z10_noshift, *insv<mode>_or_z10_noshift,
1749         *zero_extendhi<mode>2_z10, *cmp_and_trap_signed_int<mode>,
1750         *cmp_and_trap_unsigned_int<mode>, prefetch): New pattern or expander
1751         definition.
1752         (movmem, clrmem, cmpmem): New splitters added.
1753
1754         * config/s390/predicates.md (larl_operand): Use
1755         SYMBOL_REF_FLAGS (op) & SYMBOL_FLAG_ALIGN1 replaced with
1756         SYMBOL_REF_ALIGN1_P.
1757         (s390_signed_integer_comparison,
1758         s390_unsigned_integer_comparison): New predicates.
1759
1760         * config/s390/s390-protos.h (s390_check_symref_alignment,
1761         s390_contiguous_bitmask_p, s390_reload_larl_operand,
1762         s390_reload_symref_address,
1763         s390_compare_and_branch_condition_mask): Prototypes added.
1764
1765         * config/s390/s390.h (TARGET_MEM_CONSTRAINT,
1766         SYMBOL_REF_ALIGN1_P, SYMBOL_FLAG_NOT_NATURALLY_ALIGNED,
1767         SYMBOL_REF_NOT_NATURALLY_ALIGNED_P): Macro definition added.
1768
1769 2008-05-28  Andreas Krebbel  <krebbel1@de.ibm.com>
1770
1771         * config/s390/s390.c (z10_cost): New cost function for z10.
1772         (s390_handle_arch_option, override_options): Support -march=z10 switch.
1773         (s390_issue_rate): Adjust issue rate for z10.
1774         * config/s390/s390.h (processor_type): Add PROCESSOR_2097_Z10.
1775         (processor_flags): Add PF_Z10.
1776         (TARGET_CPU_Z10, TARGET_Z10): New macro definitions.
1777         * config/s390/s390.md (cpu, cpu_facility attributes): Add z10.
1778         * gcc/config.gcc: Add z10.
1779
1780 2008-05-28  Richard Guenther  <rguenther@suse.de>
1781
1782         PR tree-optimization/36291
1783         * tree-flow. h (struct gimple_df): Remove var_anns member.
1784         * tree-flow-inline.h (gimple_var_anns): Remove.
1785         (var_ann): Simplify.
1786         * tree-dfa.c (create_var_ann): Simplify.
1787         (remove_referenced_var): Clear alias info from var_anns of globals.
1788         * tree-ssa.c (init_tree_ssa): Do not allocate var_anns.
1789         (delete_tree_ssa): Clear alias info from var_anns of globals.
1790         Do not free var_anns.
1791         (var_ann_eq): Remove.
1792         (var_ann_hash): Likewise.
1793
1794 2008-05-28  Mark Shinwell  <shinwell@codesourcery.com>
1795
1796         * config/mips/mips.c (mips_cpu_info_table): Add loongson2e
1797         and loongson2f entries.
1798         (mips_rtx_cost_data): Add entries for Loongson-2E/2F.
1799         * config/mips/mips.h (processor_type): Add Loongson-2E
1800         and Loongson-2F entries.
1801         (TARGET_LOONGSON_2E, TARGET_LOONGSON_2F, TARGET_LOONGSON_2EF): New.
1802         (MIPS_ISA_LEVEL_SPEC): Handle Loongson-2E/2F.
1803         * config/mips/mips.md (define_attr cpu): Add loongson2e and loongson2f.
1804         * doc/invoke.texi (MIPS Options): Document loongson2e
1805         and loongson2f processor names.
1806
1807 2008-05-27  H.J. Lu  <hongjiu.lu@intel.com>
1808
1809         PR target/35767
1810         PR target/35771
1811         * config/i386/i386.c (ix86_function_arg_boundary): Use
1812         alignment of canonical type.
1813         (ix86_expand_vector_move): Check unaligned memory access for
1814         all SSE modes.
1815
1816 2008-05-27  H.J. Lu  <hongjiu.lu@intel.com>
1817
1818         * dwarf2out.c (current_fde): Change return type to dw_fde_ref.
1819         Moved to the front of file.
1820
1821 2008-05-27  Xuepeng Guo  <xuepeng.guo@intel.com>
1822             H.J. Lu  <hongjiu.lu@intel.com>
1823
1824         * dwarf2out.c (current_fde): New.
1825         (add_cfi): Use it.
1826         (lookup_cfa:): Likewise.
1827         (dwarf2out_end_epilogue): Likewise.
1828         (dwarf2out_note_section_used): Likewise.
1829
1830 2008-05-27  Michael Matz  <matz@suse.de>
1831
1832         PR c++/27975
1833         * c.opt (Wenum-compare): New warning option.
1834         * doc/invoke.texi  (Warning Options): Document -Wenum-compare.
1835
1836 2008-05-27  Michael Matz  <matz@suse.de>
1837
1838         PR middle-end/36326
1839         * tree-gimple.c (is_gimple_mem_rhs): Remove work-around for
1840         non-BLKmode types.
1841         * tree-tailcall.c (find_tail_calls): Don't mark calls storing
1842         into memory as tail calls.
1843
1844 2008-05-27  Richard Guenther  <rguenther@suse.de>
1845
1846         PR tree-optimization/36339
1847         * tree-ssa-alias.c (set_initial_properties): Escaped pt_anything
1848         pointers cause all addressable variables to be call clobbered.
1849
1850 2008-05-27  Richard Guenther  <rguenther@suse.de>
1851
1852         PR tree-optimization/36245
1853         * tree-ssa-address.c (add_to_parts): Deal with non-pointer bases.
1854
1855 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
1856
1857         * config/s390/s390.md: Replace all occurences of the 'm'
1858         constraint with 'RT'.
1859
1860 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
1861
1862         * config/s390/s390.md ("cpu_facility", "enabled"): Attribute
1863         definitions added.
1864         ("*movdi_64dfp", "*movdi_64extimm", "*movdi_64"): Merged into
1865         "*movdi_64".
1866         ("*anddi3_extimm", "*anddi3"): Merged into "*anddi3".
1867         ("*iordi3_extimm", "*iordi3"): Merged into "*iordi3".
1868         ("*xordi3_extimm", "*xordi3"): Merged into "*xordi3".
1869
1870 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
1871
1872         * reload.c: (find_reloads): Skip alternatives according to the
1873         "enabled" attribute. Constify the constraint variable.
1874         * recog.c (get_attr_enabled): Add default implementation.
1875         (extract_insn): Set the alternative_enabled_p array
1876         in the recog_data struct.
1877         (preprocess_constraints, constrain_operands): Skip
1878         alternatives according to the "enabled" attribute
1879         * recog.h (struct recog_data): New field alternative_enabled_p.
1880         (skip_alternative): New inline function.
1881         * regclass.c: (record_operand_costs): Check the "enabled" attribute.
1882         (record_reg_classes): Skip alternative according to the
1883         "enabled" attribute.
1884
1885         * doc/md.texi: Add documention for the "enabled" attribute.
1886
1887 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
1888
1889         * defaults.h (TARGET_MEM_CONSTRAINT): New target macro added.
1890         * postreload.c (reload_cse_simplify_operands): Replace 'm'
1891         constraint with TARGET_MEM_CONSTRAINT.
1892         * recog.c (asm_operand_ok, preprocess_constraints,
1893         constrain_operands): Likewise.
1894         * regclass.c (record_reg_classes): Likewise.
1895         * reload.c (find_reloads, alternative_allows_const_pool_ref): Likewise.
1896         * reload1.c (maybe_fix_stack_asms): Likewise.
1897         * stmt.c (parse_output_constraint, parse_input_constraint): Likewise.
1898         * recog.h: Adjust comment.
1899         * genpreds.c (generic_constraint_letters): Remove 'm' constraint.
1900         * genoutput.c (note_constraint): Don't emit error for 'm' constraint.
1901         * doc/md.texi: Add a note to description of 'm' constraint.
1902         * doc/tm.texi: Document the new TARGET_MEM_CONSTRAINT macro.
1903
1904 2008-05-27  Eric Botcazou  <ebotcazou@adacore.com>
1905
1906         * tree-sra.c (sra_type_can_be_decomposed_p) <RECORD_TYPE>: Make sure
1907         that the bitfield is of integral type before testing its precision.
1908
1909 2008-05-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
1910             Sa Liu  <saliu@de.ibm.com> 
1911
1912         * config/spu/spu.c (spu_init_libfuncs): Add __multi3, __divti3, 
1913         __modti3, __udivti3, __umodti3 and __udivmodti4.
1914         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add files
1915         that implement TImode mul and div functions.
1916         * config/spu/multi3.c: New. Implement __multi3.
1917         * config/spu/divmodti4.c: New. Implement _udivmodti4 and others.
1918         * testsuite/gcc.target/spu/muldivti3.c: New. Test TImode mul and div
1919         functions on SPU.
1920
1921 2008-05-26  Steven Bosscher  <stevenb.gcc@gmail.com>
1922
1923         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Generate
1924         new tls_gd_* and tls_ld_* insns instead of an insn sequence.
1925         * config/rs6000/rs6000.md (TLSmode, tls_abi_suffix, tls_insn_suffix,
1926         tls_sysv_suffix): New mode and mode attribute iterators.
1927         (tls_gd_32, tls_gd_64, tls_ld_32, tls_ld_64): Remove.
1928         (lts_gd_aix*, tls_gd_sysv*, tls_ld_aix*, tls_ld_sysv*): New patterns.
1929         (tls_dtprel_*, tls_dtprel_ha_*, tls_dtprel_lo_*, tls_got_dtprel_*,
1930         tls_tprel_*, tls_tprel_ha_*, tls_tprel_lo_*, tls_got_tprel_*,
1931         tls_tls_*): Merge 32 bit and 64 bit variants using aforementioned
1932         iterators.
1933
1934 2008-05-26  Eric Botcazou  <ebotcazou@adacore.com>
1935
1936         PR tree-optimization/36329
1937         * tree.h (CALL_CANNOT_INLINE_P): Add access check.
1938         * tree-gimple.h (CALL_STMT_CANNOT_INLINE_P): New macro.
1939         * cgraphbuild.c (initialize_inline_failed): Use the latter
1940         macro in lieu of the former.
1941         * ipa-inline.c (cgraph_mark_inline): Likewise.
1942         (cgraph_decide_inlining_of_small_function): Likewise.
1943         (cgraph_decide_inlining): Likewise.
1944         (cgraph_decide_inlining_incrementally): Likewise.
1945
1946 2008-05-26  Tristan Gingold  <gingold@adacore.com>
1947             Anatoly Sokolov  <aesok@post.ru>
1948
1949         * config/avr/avr.md ("call_prologue_saves"): Use hi8(gs())/lo8(gs())
1950         instead of pm_lo8/pm_hi8 to makes this call working on avr6.
1951         * config/avr/avr.c (expand_prologue): Tune "call_prologue" 
1952         optimization for 'avr6' architecture.
1953
1954 2008-05-26  Andy Hutchinson  <hutchinsonandy@aim.com>
1955
1956         PR target/34932
1957         * config/avr/avr.md (*addhi3_zero_extend2): Remove.
1958
1959 2008-05-26  Richard Guenther  <rguenther@suse.de>
1960
1961         * tree-ssa-sccvn.c (expr_has_constants): Declare.
1962         (visit_reference_op_load): Initialize VN_INFO->has_constants properly.
1963
1964 2008-05-26  H.J. Lu  <hongjiu.lu@intel.com>
1965
1966         PR middle-end/36253
1967         * caller-save.c (insert_restore): Verify alignment of spill space.
1968         (insert_save): Likewise.
1969         * cfgexpand.c (LOCAL_ALIGNMENT): Removed.
1970         * defaults.h (LOCAL_ALIGNMENT): New. Provide default.
1971         (STACK_SLOT_ALIGNMENT): Likewise.
1972         * function.c (LOCAL_ALIGNMENT): Removed.
1973         (get_stack_local_alignment): New.
1974         (assign_stack_local): Use it.  Set alignment on stack slot.
1975         (assign_stack_temp_for_type): Use get_stack_local_alignment.
1976         * config/i386/i386.h (LOCAL_ALIGNMENT): Updated.
1977         (STACK_SLOT_ALIGNMENT): New.
1978         * config/i386/i386.c (ix86_local_alignment): Handle caller-save
1979         stack slot in XFmode.
1980
1981         * doc/tm.texi (STACK_SLOT_ALIGNMENT): New.
1982
1983 2008-05-26  Kai Tietz  <kai.tietz@onevision.com>
1984
1985         PR/36321
1986         * config/i386/i386.md (allocate_stack_worker_64): Make sure
1987         argument operand in rax isn't removed.
1988
1989 2008-05-26  Richard Guenther  <rguenther@suse.de>
1990
1991         PR middle-end/36300
1992         * fold-const.c (extract_muldiv_1): Use TYPE_OVERFLOW_WRAPS,
1993         not TYPE_UNSIGNED.  Use TYPE_PRECISION instead of GET_MODE_SIZE.
1994
1995 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
1996
1997         PR bootstrap/36331
1998         * c-cppbuiltin.c (define__GNUC__): Re-add definition of __GNUG__.
1999
2000 2008-05-26  Dominique Dhumieres  <dominiq@lps.ens.fr>
2001
2002         * config/darwin-c.c: Include "incpath.h" instead of "c-incpath.h".
2003         * config/t-darwin: Use "incpath.h" instead of "c-incpath.h".
2004
2005 2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>
2006
2007         * tree-nested.c (convert_tramp_reference) <ADDR_EXPR>: Do not
2008         build a trampoline if we don't want one.
2009         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Do not
2010         return zero for nested functions if we don't want a trampoline.
2011
2012 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
2013
2014         * doc/invoke.texi: Added f77, f77-cpp-input to list of file types.
2015
2016 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
2017
2018         PR fortran/18428
2019         * c.opt: Removed undocumented option '-lang-fortran'.
2020         * c-common.h: Removed global variable 'lang_fortran'.
2021         * c-opts.c (c_common_handle_option): Removed code to handle
2022         option '-lang-fortran'. Updated includes.
2023         * c-cppbuiltin.c (c_cpp_builtins): Removed conditional
2024         definition of '__GFORTRAN__'.
2025         (define__GNUC__): Reimplemented to use BASEVER and
2026         cpp_define_formatted.
2027         (builtin_define_with_value_n): Removed.
2028         * c-incpath.h: Renamed to ...
2029         * incpath.h: ... this.
2030         * c-incpath.c: Renamed to ...
2031         * incpath.c: ... this. Updated includes.
2032         * fix-header.c: Updated includes.
2033         * Makefile.in: Replaced c-incpath.[ch] by incpath.[ch].
2034         (c-cppbuiltin.o): Added dependency on and definition of BASEVER.
2035         (OBJ-archive): Added cppdefault.o, incpath.o and prefix.o.
2036
2037 2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>
2038
2039         * tree.h: Update the table of flags used on tree nodes.
2040         (TREE_NO_TRAMPOLINE): New accessor for static_flag.
2041         (SAVE_EXPR_RESOLVED_P): Use automatically-built access check.
2042         (FORCED_LABEL): Add access check.
2043         (CALL_EXPR_RETURN_SLOT_OPT): Likewise.
2044         (ASM_INPUT_P): Likewise.
2045         (ASM_VOLATILE_P): Likewise.
2046         (EH_FILTER_MUST_NOT_THROW): Access static_flag directly.
2047         (OMP_SECTION_LAST): Access private_flag directly.
2048         (OMP_RETURN_NOWAIT): Likewise.
2049         (OMP_PARALLEL_COMBINED): Likewise.
2050         (OMP_CLAUSE_PRIVATE_DEBUG): Access public_flag directly.
2051         (OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE): Likewise.
2052         * tree-ssa-propagate.c (STMT_IN_SSA_EDGE_WORKLIST): Access
2053         deprecated_flag directly.
2054
2055 2008-05-25  H.J. Lu  <hongjiu.lu@intel.com>
2056
2057         * final.c (frame_pointer_needed): Removed.
2058         * flags.h (frame_pointer_needed): Likewise.
2059
2060         * function.h (rtl_data): Add frame_pointer_needed.
2061         (frame_pointer_needed): New.
2062
2063 2008-05-25  Arthur Loiret  <arthur.loiret@u-psud.fr>
2064
2065         * config.gcc (sh2[lbe]*-*-linux*): Allow target.
2066
2067 2008-05-25  Steven Bosscher  <stevenb.gcc@gmail.com>
2068
2069         * gcse.c (hash_scan_set): Do not pick up a REG_EQUAL value if
2070         SRC is a REG.
2071
2072 2008-05-25  Alan Modra  <amodra@bigpond.net.au>
2073
2074         * c-common.c (strip_array_types): Move function to..
2075         * tree.c: ..here.
2076         (get_inner_array_type): Delete.
2077         * c-common.h (strip_array_types): Move declaration to..
2078         * tree.h: ..here.
2079         (get_inner_array_type): Delete.
2080         * config/i386/i386.c (x86_field_alignment): Use strip_array_types.
2081         * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Likewise.
2082         * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
2083         * config/pa/pa.c (emit_move_sequence): Likewise.
2084
2085 2008-05-24  H.J. Lu  <hongjiu.lu@intel.com>
2086
2087         * config/i386/i386.md (*sse_prologue_save_insn): Set length
2088         attribute to 34.
2089
2090 2008-05-24  Andy Hutchinson  <hutchinsonandy@aim.com>
2091
2092         * function.c: Include target hook for nonlocal_goto frame value.
2093
2094 2008-05-24  Richard Guenther  <rguenther@suse.de>
2095
2096         * tree-dfa.c (refs_may_alias_p): Re-instantiate case that a scalar
2097         variable can be only accessed through a pointer or a union.
2098
2099 2008-05-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2100
2101         * builtins.c (fold_builtin_fpclassify): Fix spelling of FP_INFINITE.
2102         * doc/extend.texi: Likewise.
2103
2104 2008-05-23  DJ Delorie  <dj@redhat.com>
2105
2106         * config/m32c/jump.md (untyped_call): Add.
2107
2108         * config/m32c/m32c.c (m32c_return_addr_rtx): Change pointer type
2109         for A24 to PSImode.
2110         (m32c_address_cost): Detail costs for indirect offsets.
2111
2112 2008-05-23  Rafael Espindola  <espindola@google.com>
2113
2114         * see.c (see_get_extension_data): Don't use SUBREG_REG to test
2115         if a node is a SUBREG.
2116         (see_analyze_one_def): Don't use SUBREG_REG to test if a node
2117         is a SUBREG.
2118
2119 2008-05-23  Paul Brook  <paul@codesourcery.com>
2120             Carlos O'Donell  <carlos@codesourcery.com>
2121
2122         * doc/extend.texi: Clarify use of __attribute__((naked)).
2123         * doc/tm.texi: Document TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
2124         * target.h (gcc_target): Add allocate_stack_slots_for_args.
2125         * function.c (use_register_for_decl): Use
2126         targetm.calls.allocate_stack_slots_for_args.
2127         * target-def.h (TARGET_CALLS): Add TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
2128         * config/arm/arm.c (arm_allocate_stack_slots_for_args): New function.
2129         (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Define.
2130
2131 2008-05-23  Eric Botcazou  <ebotcazou@adacore.com>
2132
2133         * expr.c (highest_pow2_factor) <BIT_AND_EXPR>: New case.
2134
2135 2008-05-23  Steven Munroe  <sjmunroe@us.ibm.com>
2136
2137         * config/rs6000/darwin-ldouble.c (fmsub): Eliminate the full
2138         PACK/UNPACK between FP_SUB_Q and FD_TRUNC so that the result
2139         is only rounded once.
2140
2141 2008-05-23  Richard Guenther  <rguenther@suse.de>
2142
2143         * tree-ssa-operands.c (mark_difference_for_renaming): Use bitmap_xor.
2144
2145 2008-05-23  Uros Bizjak  <ubizjak@gmail.com>
2146             Jakub Jelinek  <jakub@redhat.com>
2147
2148         PR target/36079
2149         * configure.ac: Handle --enable-cld.
2150         * configure: Regenerated.
2151         * config.gcc: Add USE_IX86_CLD to tm_defines for x86 targets.
2152         * config/i386/i386.h (struct machine_function): Add needs_cld field.
2153         (ix86_current_function_needs_cld): New define.
2154         * config/i386/i386.md (UNSPEC_CLD): New unspec volatile constant.
2155         (cld): New isns pattern.
2156         (strmov_singleop, rep_mov, strset_singleop, rep_stos, cmpstrnqi_nz_1,
2157         cmpstrnqi_1, strlenqi_1): Set ix86_current_function_needs_cld flag.
2158         * config/i386/i386.opt (mcld): New option.
2159         * config/i386/i386.c (ix86_expand_prologue): Emit cld insn if
2160         TARGET_CLD and ix86_current_function_needs_cld.
2161         (override_options): Use -mcld by default for 32-bit code if
2162         USE_IX86_CLD.
2163
2164         * doc/install.texi (Options specification): Document --enable-cld.
2165         * doc/invoke.texi (Machine Dependent Options)
2166         [i386 and x86-64 Options]: Add -mcld option.
2167         (Intel 386 and AMD x86-64 Options): Document -mcld option.
2168
2169 2008-05-23  Kai Tietz  <kai.tietz@onevison.com>
2170         * config/i386/i386.c (return_in_memory_32): Add ATTRIBUTE_UNUSED.
2171         (return_in_memory_64): Likewise.
2172         (return_in_memory_ms_64): Likewise.
2173
2174 2008-05-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2175
2176         * builtin-types.def (BT_FN_INT_INT_INT_INT_INT_INT_VAR): New.
2177         * builtins.c (fold_builtin_fpclassify): New.
2178         (fold_builtin_varargs): Handle BUILT_IN_FPCLASSIFY.
2179         * builtins.def (BUILT_IN_FPCLASSIFY): New.
2180         * c-common.c (handle_type_generic_attribute): Adjust to accept
2181         fixed arguments before an elipsis.
2182         (check_builtin_function_arguments): Handle BUILT_IN_FPCLASSIFY.
2183         * doc/extend.texi: Document __builtin_fpclassify.
2184
2185 2008-05-22  Aldy Hernandez  <aldyh@redhat.com>
2186
2187         * omp-low.c (gate_expand_omp_ssa): Remove.
2188         (pass_expand_omp_ssa): Remove.
2189         (gate_expand_omp): Do not check for flag_openmp_ssa.
2190         * common.opt (-fopenmp-ssa): Remove.
2191         * passes.c (init_optimization_passes): Remove pass_expand_omp_ssa.
2192
2193 2008-05-22  Kaz Kojima  <kkojima@gcc.gnu.org>
2194
2195         * config/sh/sh.opt (mfixed-range): New option.
2196         * config/sh/sh-protos.h (sh_fix_range): Declare.
2197         * config/sh/sh.c (sh_fix_range): New function.
2198         * config/sh/sh.h (sh_fixed_range_str): Declare.
2199         (OVERRIDE_OPTIONS): Call sh_fix_range if sh_fixed_range_str
2200         is not empty.
2201         * doc/invoke.texi (SH Options): Document -mfixed-range.
2202
2203 2008-05-22  Kai Tietz  <kai.tietz@onevision.com>
2204
2205         * config/i386/sol2-10.h (SUBTARGET_RETURN_IN_MEMORY): Undefine
2206         it before the redeclaration.
2207
2208 2008-05-22  Anatoly Sokolov <aesok@post.ru>
2209
2210         * config/avr/avr.c (get_sequence_length): Add new function.
2211         (expand_prologue, expand_epilogue): Remove duplicate code.
2212
2213 2008-05-22  Rafael Espindola  <espindola@google.com>
2214
2215         * see.c (see_pre_insert_extensions): Use copy_rtx to avoid invalid rtx
2216         sharing.
2217
2218 2008-05-22  H.J. Lu  <hongjiu.lu@intel.com>
2219
2220         * defaults.h (UNITS_PER_SIMD_WORD): Add scalar mode as argument.
2221         * doc/tm.texi (UNITS_PER_SIMD_WORD): Likewise.
2222
2223         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Replace
2224         UNITS_PER_SIMD_WORD with GET_MODE_SIZE (TYPE_MODE (vectype)).
2225         (vect_update_misalignment_for_peel): Likewise.
2226         (vector_alignment_reachable_p): Likewise.
2227         * tree-vect-transform.c (vectorizable_load): Likewise.
2228         * tree-vectorizer.c (vect_supportable_dr_alignment): Likewise.
2229         (get_vectype_for_scalar_type): Pass mode of scalar_type
2230         to UNITS_PER_SIMD_WORD.
2231
2232         * config/arm/arm.h (UNITS_PER_SIMD_WORD): Updated.
2233         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Likewise.
2234         * config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
2235         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
2236         * config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.
2237
2238 2008-05-22  Ira Rosen  <irar@il.ibm.com>
2239
2240         PR tree-optimization/36293
2241         * tree-vect-transform.c (vect_transform_strided_load): Don't check
2242         if the first load must be skipped because of a gap.
2243
2244 2008-05-22  Richard Guenther  <rguenther@suse.de>
2245
2246         * tree-dfa.c (refs_may_alias_p): Exit early if possible.  Handle
2247         more cases of offset disambiguation that is possible if
2248         strict-aliasing rules apply.
2249         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Use refs_may_alias_p
2250         for basic offset and type-based disambiguation.
2251
2252 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
2253
2254         * config/i386/i386.c (ix86_expand_vector_init_one_var): Use
2255         ix86_expand_vector_set on V16QImode for SSE4.1.
2256
2257 2008-05-21  Tom Tromey  <tromey@redhat.com>
2258
2259         * c.opt (Wimport): Mark as undocumented.
2260         * doc/invoke.texi (Option Summary): Don't mention -Wimport or
2261         -Wno-import.
2262         (Warning Options): Likewise.
2263         * doc/cppopts.texi: Don't mention -Wimport.
2264
2265 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
2266
2267         PR tree-optimization/36287
2268         PR tree-optimization/36286
2269         * lambda-code.c (build_access_matrix): Do not use the loop->num
2270         for computing the number of induction variables: use the loop depth
2271         instead.
2272
2273 2008-05-21  Kai Tietz  <kai.tietz@onevision.com>
2274
2275         PR/36280
2276         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Honor
2277         option -f(no-)leading-underscore.
2278
2279 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
2280
2281         * config/i386/i386.c (ix86_expand_vector_init_general): Use
2282         GET_MODE_NUNITS (mode).
2283
2284 2008-05-21  Peter Bergner  <bergner@vnet.ibm.com>
2285
2286         * doc/invoke.texi: Add cpu_type's 464 and 464fp.
2287         (-mmulhw): Add 464 to description.
2288         (-mdlmzb): Likewise.
2289         * config.gcc: Handle --with-cpu=464 and --with-cpu=464fp.
2290         * config/rs6000/rs6000.c (processor_target_table): Add 464 and
2291         464fp entries.
2292         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add 464 and 464fp support.
2293         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include -mcpu=464.
2294         * config/rs6000/rs6000.md: Update comments for 464.
2295
2296 2008-05-21  Janis Johnson  <janis187@us.ibm.com>
2297
2298         * doc/sourcebuild.texi (Test Directives): Add dg-xfail-run-if.
2299
2300 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
2301
2302         * config/i386/sse.md (vec_extractv4sf): Removed.
2303         (vec_extractv2df): Likewise.
2304         (vec_extractv2di): Likewise.
2305         (vec_extractv4si): Likewise.
2306         (vec_extractv8hi): Likewise.
2307         (vec_extractv16qi): Likewise.
2308         (vec_extract<mode>): New.
2309
2310 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
2311
2312         * config/i386/sse.md (vec_setv4sf): Removed.
2313         (vec_setv2df): Likewise.
2314         (vec_setv2di): Likewise.
2315         (vec_setv4si): Likewise.
2316         (vec_setv8hi): Likewise.
2317         (vec_setv16qi): Likewise.
2318         (vec_set<mode>): New.
2319
2320 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
2321
2322         * config/i386/i386.c (ix86_expand_vector_init_general): Remove
2323         goto for vec_concat and vec_interleave.
2324
2325 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
2326
2327         * config/i386/sse.md (vec_initv4sf): Removed.
2328         (vec_initv2df): Likewise.
2329         (vec_initv2di): Likewise.
2330         (vec_initv4si): Likewise.
2331         (vec_initv8hi): Likewise.
2332         (vec_initv16qi): Likewise.
2333         (vec_init<mode>): New.
2334
2335 2008-05-21  Joseph Myers  <joseph@codesourcery.com>
2336
2337         * collect2.c (find_a_file): Use IS_ABSOLUTE_PATH.
2338
2339 2008-05-21  Tom Tromey  <tromey@redhat.com>
2340
2341         * ggc-zone.c (lookup_page_table_if_allocated): New function.
2342         (zone_find_object_offset): Likewise.
2343         (gt_ggc_m_S): Likewise.
2344         (highest_bit): Likewise.
2345         * ggc-page.c (gt_ggc_m_S): New function.
2346         * stringpool.c (string_stack): Remove.
2347         (init_stringpool): Update.
2348         (ggc_alloc_string): Use ggc_alloc.
2349         (maybe_delete_ident): New function.
2350         (ggc_purge_stringpool): Likewise.
2351         (gt_ggc_m_S): Remove.
2352         * ggc-common.c (ggc_protect_identifiers): New global.
2353         (ggc_mark_roots): Call ggc_purge_stringpool.  Use
2354         ggc_protect_identifiers.
2355         * ggc.h (ggc_protect_identifiers): Declare.
2356         (gt_ggc_m_S): Update.
2357         (ggc_purge_stringpool): Declare.
2358         * toplev.c (compile_file): Set and reset ggc_protect_identifiers.
2359         * gengtype.c (write_types_process_field) <TYPE_STRING>: Remove
2360         special case.
2361         (write_root): Cast gt_ggc_m_S to gt_pointer_walker.
2362
2363 2008-05-21  David S. Miller  <davem@davemloft.net>
2364
2365         * config.gcc (sparc-*-linux*): Always include sparc/t-linux in
2366         tmake_file.
2367
2368 2008-05-21  Eric Botcazou  <ebotcazou@adacore.com>
2369
2370         * cfgexpand.c (tree_expand_cfg): Zap the EH throw statement table
2371         once finished.
2372
2373 2008-05-20  David Daney  <ddaney@avtrex.com>
2374
2375         * config/mips/mips.md (UNSPEC_SYNC_NEW_OP_12,
2376         UNSPEC_SYNC_OLD_OP_12, UNSPEC_SYNC_EXCHANGE_12): New define_constants.
2377         (UNSPEC_SYNC_EXCHANGE, UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
2378         UNSPEC_UPDATE_GOT_VERSION): Renumber.
2379         (optab, insn): Add 'plus' and 'minus' to define_code_attr.
2380         (atomic_hiqi_op): New define_code_iterator.
2381         (sync_compare_and_swap<mode>): Call mips_expand_atomic_qihi instead of
2382         mips_expand_compare_and_swap_12.
2383         (compare_and_swap_12): Use MIPS_COMPARE_AND_SWAP_12 instead of
2384         MIPS_COMPARE_AND_SWAP_12_0.  Pass argument to MIPS_COMPARE_AND_SWAP_12.
2385         (sync_<optab><mode>, sync_old_<optab><mode>,
2386         sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
2387         sync_new_nand<mode>): New define_expands for HI and QI mode operands.
2388         (sync_<optab>_12, sync_old_<optab>_12, sync_new_<optab>_12,
2389         sync_nand_12, sync_old_nand_12, sync_new_nand_12): New insns.
2390         (sync_lock_test_and_set<mode>): New define_expand for HI and QI modes.
2391         (test_and_set_12): New insn.
2392         (sync_old_add<mode>, sync_new_add<mode>, sync_old_<optab><mode>,
2393         sync_new_<optab><mode>, sync_old_nand<mode>,
2394         sync_new_nand<mode>, sync_lock_test_and_set<mode>):  Add early
2395         clobber to operand 0 for SI and DI mode insns.
2396         * config/mips/mips-protos.h (mips_gen_fn_6, mips_gen_fn_5,
2397         mips_gen_fn_4): New typedefs.
2398         (mips_gen_fn_ptrs): Define new union type.
2399         (mips_expand_compare_and_swap_12): Remove declaration.
2400         (mips_expand_atomic_qihi): Declare function.
2401         * config/mips/mips.c (mips_expand_compare_and_swap_12): Rename to...
2402         (mips_expand_atomic_qihi): ... this.  Use new generator function
2403         parameter.
2404         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): Add OPS parameter.
2405         (MIPS_COMPARE_AND_SWAP_12_0): Delete macro.
2406         (MIPS_COMPARE_AND_SWAP_12_ZERO_OP, MIPS_COMPARE_AND_SWAP_12_NONZERO_OP,
2407         MIPS_SYNC_OP_12, MIPS_SYNC_OP_12_NOT_NOP,
2408         MIPS_SYNC_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12,
2409         MIPS_SYNC_OLD_OP_12_NOT_NOP, MIPS_SYNC_OLD_OP_12_NOT_NOP_REG,
2410         MIPS_SYNC_OLD_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12_NOT_NOT_REG,
2411         MIPS_SYNC_NEW_OP_12, MIPS_SYNC_NEW_OP_12_NOT_NOP,
2412         MIPS_SYNC_NEW_OP_12_NOT_NOT, MIPS_SYNC_EXCHANGE_12,
2413         MIPS_SYNC_EXCHANGE_12_ZERO_OP, MIPS_SYNC_EXCHANGE_12_NONZERO_OP):
2414         New macros.
2415
2416 2008-05-20  H.J. Lu  <hongjiu.lu@intel.com>
2417
2418         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Add
2419         the missing break.
2420
2421 2008-05-20  Anatoly Sokolov <aesok@post.ru>
2422
2423         * config/avr/avr.h (machine_function): Add 'is_OS_main' field.
2424         * config/avr/avr.c (avr_OS_main_function_p): Add new function.
2425         (avr_attribute_table): Add 'OS_main' function attribute.
2426         (avr_regs_to_save, expand_prologue, expand_epilogue): Handle
2427         functions with 'OS_main' attribute.
2428
2429 2008-05-20  Richard Guenther  <rguenther@suse.de>
2430
2431         PR tree-optimization/35204
2432         * tree-ssa-sccvn.c (extract_and_process_scc_for_name): New
2433         helper, split out from ...
2434         (DFS): ... here.  Make the DFS walk non-recursive.
2435
2436 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
2437             Jan Sjodin  <jan.sjodin@amd.com>
2438
2439         PR tree-optimization/36181
2440         * tree-parloops.c (loop_has_vector_phi_nodes): New.
2441         (parallelize_loops): Don't parallelize when the loop has vector
2442         phi nodes.
2443
2444 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
2445             Sebastian Pop  <sebastian.pop@amd.com>
2446
2447         * tree-loop-linear.c (gather_interchange_stats): Look in the access
2448         matrix, and never look at the tree representation of the memory
2449         accesses.
2450         (linear_transform_loops): Computes parameters and access matrices.
2451         * tree-data-ref.c (compute_data_dependences_for_loop): Returns false
2452         when fails.
2453         (access_matrix_get_index_for_parameter): New.
2454         * tree-data-ref.h (struct access_matrix): New.
2455         (AM_LOOP_NEST_NUM, AM_NB_INDUCTION_VARS, AM_PARAMETERS, AM_MATRIX,
2456         AM_NB_PARAMETERS, AM_CONST_COLUMN_INDEX, AM_NB_COLUMNS,
2457         AM_GET_SUBSCRIPT_ACCESS_VECTOR, AM_GET_ACCESS_MATRIX_ELEMENT,
2458         am_vector_index_for_loop): New.
2459         (struct data_reference): Add field access_matrix.
2460         (DR_ACCESS_MATRIX): New.
2461         (compute_data_dependences_for_loop): Update declaration.
2462         (lambda_collect_parameters, lambda_compute_access_matrices): Declared.
2463         * lambda.h (lambda_vector_vec_p): Declared.
2464         * lambda-code.c: Depend on pointer-set.h.
2465         (lambda_collect_parameters_from_af, lambda_collect_parameters,
2466         av_for_af_base, av_for_af, build_access_matrix,
2467         lambda_compute_access_matrices): New.
2468         * Makefile.in (lambda-code.o): Depend on pointer-set.h.
2469
2470 2008-05-20  Joseph Myers  <joseph@codesourcery.com>
2471
2472         * doc/install.texi2html: Generate gcc-vers.texi in $DESTDIR not
2473         $SOURCEDIR/include.
2474
2475 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
2476             Sebastian Pop  <sebastian.pop@amd.com>
2477
2478         PR tree-optimization/36206
2479         * tree-scalar-evolution.c: Remove enum INSERT_SUPERLOOP_CHRECS,
2480         FOLD_CONVERSIONS.
2481         (instantiate_scev_1): Rename flags to fold_conversions.
2482         Do not check for INSERT_SUPERLOOP_CHRECS, keep SSA_NAMEs defined
2483         outeside instantiation_loop.
2484         * tree-chrec.h (evolution_function_is_affine_in_loop): New.
2485         (evolution_function_is_affine_or_constant_p): Removed.
2486         * tree-data-ref.c (dr_analyze_indices): Replace resolve_mixers with
2487         instantiate_scev.
2488         (analyze_siv_subscript): Pass in the loop nest number.
2489         Call evolution_function_is_affine_in_loop instead of 
2490         evolution_function_is_affine_p.
2491         (analyze_overlapping_iterations): Pass in the loop nest number.
2492
2493 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
2494             Sebastian Pop  <sebastian.pop@amd.com>
2495
2496         PR tree-optimization/36206
2497         * tree-chrec.h (chrec_fold_op): New.
2498         * tree-data-ref.c (initialize_matrix_A): Traverse NOP_EXPR, PLUS_EXPR,
2499         and other trees.
2500
2501 2008-05-20  Nathan Sidwell  <nathan@codesourcery.com>
2502
2503         * c-incpath.c (INO_T_EQ): Do not define on non-inode systems.
2504         (DIRS_EQ): New.
2505         (remove_duplicates): Do not set inode on non-inode systems.
2506         Use DIRS_EQ.
2507
2508 2008-05-20  Sandra Loosemore  <sandra@codesourcery.com>
2509
2510         * config.gcc (tm_file): Update comments about relative pathnames.
2511
2512 2008-05-20  Richard Guenther  <rguenther@suse.de>
2513
2514         * tree-ssa-reassoc.c (fini_reassoc): Use the statistics infrastructure.
2515         * tree-ssa-sccvn.c (process_scc): Likewise.
2516         * tree-ssa-sink.c (execute_sink_code): Likewise.
2517         * tree-ssa-threadupdate.c (thread_through_all_blocks): Likewise.
2518         * tree-vrp.c (process_assert_insertions): Likewise.
2519         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
2520         (perform_tree_ssa_dce): Likewise.
2521         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
2522         (dump_dominator_optimization_stats): Likewise.
2523         * tree-vectorizer.c (vectorize_loops): Likewise.
2524
2525 2008-05-20  Richard Guenther  <rguenther@suse.de>
2526
2527         * tree-vn.c (vn_lookup_with_vuses): Do not use the alias oracle.
2528
2529 2008-05-20  Kai Tietz  <kai.tietz@onevision.com>
2530
2531         * config/i386/i386-protos.h (ix86_return_in_memory): Removed.
2532         (ix86_i386elf_return_in_memory): Likewise.
2533         (ix86_i386interix_return_in_memory): Likewise.
2534         * config/i386/i386-interix.h (TARGET_RETURN_IN_MEMORY): Removed.
2535         (SUBTARGET_RETURN_IN_MEMORY): New.
2536         * config/i386/i386elf.h: Likewise.
2537         * config/i386/ptx4-i.h: Likewise.
2538         * config/i386/sol2-10.h: Likewise.
2539         * config/i386/sysv4.h: Likewise.
2540         * config/i386/vx-common.h: Likewise.
2541         * config/i386/i386.h (TARGET_RETURN_IN_MEMORY): Removed.
2542         * config/i386/i386.c (ix86_return_in_memory): Made static and
2543         make use of optional SUBTARGET_RETURN_IN_MEMORY macro.
2544         (ix86_i386elf_return_in_memory): Removed.
2545         (ix86_i386interix_return_in_memory): Removed.
2546         (TARGET_RETURN_IN_MEMORY): Declared within i386.c only.
2547         * target-def.h (TARGET_RETURN_IN_MEMORY): Remove protection #ifdef.
2548
2549 2008-05-20  Alexandre Oliva  <aoliva@redhat.com>
2550
2551         * cselib.c (cselib_record_sets): Use correct mode for IF_THEN_ELSE.
2552
2553 2008-05-19  Xinliang David Li  <davidxl@google.com>
2554
2555         * tree-ssa-dce.c: Revert patches of 2008-05-17 and 2008-05-18. 
2556         * opts.c: Ditto.
2557         * common.opt: Ditto.
2558         * doc/invoke.texi: Ditto.
2559
2560 2008-05-19  Eric Botcazou  <ebotcazou@adacore.com>
2561
2562         * tree.c (substitute_in_expr) <tcc_vl_exp>: Fix thinko.
2563         (substitute_placeholder_in_expr) <tcc_vl_exp>: Minor tweak.
2564
2565 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
2566
2567         * config/i386/i386.c (ix86_expand_vector_init_concat): Change
2568         sizes of operand array from 8/4 to 4/2.
2569         (ix86_expand_vector_init_general): Change size of operand array
2570         from 32 to 16.  Remove op0, op1 and half_mode.
2571
2572 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
2573
2574         * config/i386/i386.c (ix86_expand_vector_init_concat): New.
2575         (ix86_expand_vector_init_interleave): Likewise.
2576         (ix86_expand_vector_init_general): Use them.  Assert
2577         word_mode == SImode when n_words == 4.
2578
2579 2008-05-19  Uros Bizjak  <ubizjak@gmail.com>
2580
2581         * config/i386/i386.c (ix86_secondary_reload): New static function.
2582         (TARGET_SECONDARY_RELOAD): New define.
2583         * config/i386/i386.h (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
2584         * config/i386/i386.md (reload_outqi): Remove.
2585
2586 2008-05-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2587
2588         PR middle-end/35509
2589         * builtins.c (mathfn_built_in_1): Renamed from mathfn_built_in.
2590         Add `implicit' parameter.  Handle BUILT_IN_SIGNBIT.
2591         (mathfn_built_in): Rewrite in terms of mathfn_built_in_1.
2592         (fold_builtin_classify): Handle BUILT_IN_ISINF_SIGN.
2593         (fold_builtin_1): Likewise.
2594         * builtins.def (BUILT_IN_ISINF_SIGN): New.
2595         c-common.c (check_builtin_function_arguments): Handle
2596         BUILT_IN_ISINF_SIGN.
2597         * doc/extend.texi: Document __builtin_isinf_sign.
2598         * fold-const.c (operand_equal_p): Handle COND_EXPR.
2599
2600 2008-05-18  Eric Botcazou  <ebotcazou@adacore.com>
2601
2602         * tree-ssa-dom.c (tree_ssa_dominator_optimize): If some blocks need
2603         EH cleanup at the end of the pass, search for those that have been
2604         turned into forwarder blocks and do the cleanup on their successor.
2605
2606 2008-05-18  Richard Guenther  <rguenther@suse.de>
2607
2608         * tree-cfg.c (verify_gimple_expr): Allow conversions from
2609         pointers to sizetype and vice versa.
2610
2611 2008-05-18 Xinliang David Li   <davidxl@google.com>
2612
2613         * gcc/tree-ssa-dce.c: Coding style fix.
2614         (check_pow): Documentation comment. 
2615         (check_log): Documenation comment. Coding style fix.
2616         (is_unnecessary_except_errno_call): Ditto.
2617         (gen_conditions_for_pow): Ditto.
2618         (gen_conditions_for_log): Ditto.
2619         (gen_shrink_wrap_conditions): Ditto.
2620         (shrink_wrap_one_built_in_calls): Ditto.
2621         * gcc/doc/invoke.texi: Better documentation string.
2622         * ChangeLog: Fix wrong change log entries from 
2623         May 17 checkin on function call DCE.
2624
2625 2008-05-17  Kaz Kojima  <kkojima@gcc.gnu.org>
2626
2627         * config/sh/sh.c (sh_output_mi_thunk): Update the use of init_flow.
2628
2629 2008-05-17  Kenneth Zadeck <zadeck@naturalbridge.com>
2630
2631         * doc/rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P): Fixed typos.
2632         * df-problems.c (simulation routines): Fixed block comment to
2633         properly say how to add forwards scanning functions.
2634         
2635 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
2636
2637         * tree-inline.c (setup_one_parameter): Remove dead code.
2638
2639 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
2640
2641         * fold-const.c (fold_unary) <CASE_CONVERT>: Fold the cast into
2642         a BIT_AND_EXPR only for an INTEGER_TYPE.
2643
2644 2008-05-17 Xinliang David Li   <davidxl@google.com>
2645
2646         * gcc/tree-ssa-dce.c (cond_dead_built_in_calls): New static variable.
2647         (check_pow, check_log, is_unnecessary_except_errno_call): New 
2648         functions to check for eliminating math functions that are pure 
2649         except for setting errno.
2650         (gen_conditions_for_pow, gen_conditionas_for_log): New functions to
2651         general condition expressions for shrink-wrapping pow/log calls.
2652         (gen_shrink_wrap_conditions): Ditto.
2653         (shrink_wrap_one_built_in_call): Ditto.
2654         (shrink_wrap_conditional_dead_built_in_calls): Ditto.
2655         (mark_operand_necessary): If debugging, output if OP is necessary.
2656         (eliminate_unnecessary_stmts): Eliminate pow, log calls that are
2657         unnecessary.
2658         * gcc/opts.c (decode_options): set flag_tree_builtin_dce to 1 when
2659         opt level >= 2.
2660         * gcc/common.opt: New user flag -ftree-builtin-dce.
2661         * gcc/doc/invoke.texi (-ftree-builtin-dce): New option.
2662
2663 2008-05-16  David S. Miller  <davem@davemloft.net>
2664
2665         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Undef before overriding.
2666         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
2667
2668 2008-05-16  Uros Bizjak  <ubizjak@gmail.com>
2669
2670         PR target/36246
2671         * config/i386/i386.h (SECONDARY_MEMORY_NEEDED_MODE): New define.
2672
2673 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
2674
2675         * ifcvt.c (dead_or_predicable): Rename
2676         df_simulate_one_insn_backwards to df_simulate_one_insn.
2677         * recog.c (peephole2_optimize): Ditto.
2678         * rtl-factoring.c (collect_pattern_seqs, clear_regs_live_in_seq):
2679         Ditto.
2680         * df.h: Rename df_simulate_one_insn_backwards to
2681         df_simulate_one_insn.  and delete df_simulate_one_insn_forwards.
2682         * df-problems.c (df_simulate_artificial_refs_at_top) Reversed
2683         scanning of defs and uses.
2684         (df_simulate_one_insn_backwards): Renamed to df_simulate_one_insn.
2685         (df_simulate_one_insn_forwards): Removed.
2686
2687 2008-05-16  Doug Kwan  <dougkwan@google.com>
2688
2689         * real.c (real_to_decimal, real_to_hexadecimal): Distinguish
2690         QNaN & SNaN.
2691         (real_from_string): Handle NaNs and Inf as approriate.
2692
2693 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
2694
2695         * doc/gty.texi (Source Files Containing Type Information): Note
2696         that headers should appear first in the gtfiles list.
2697
2698 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
2699
2700         * tree.def (COND_EXEC): Properly documented this code.
2701
2702 2008-05-16  Diego Novillo  <dnovillo@google.com>
2703
2704         * dwarf2asm.c (dw2_assemble_integer): Clarify comment.
2705         * tree-nested.c (get_trampoline_type): Set DECL_CONTEXT for
2706         the new field.
2707
2708 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
2709
2710         * tree-ssa-dse (max_stmt_uid): Removed.
2711         (get_stmt_uid, dse_possible_dead_store_p, dse_optimize_stmt, 
2712         tree_ssa_dse): Encapsulate all uses of stmt_ann->uid.
2713         * tree-ssa-sccvn.c (compare_ops, init_scc_vn): Ditto.
2714         * function.h (cfun.last_stmt_uid): New field.
2715         * tree-flow-inline.h (set_gimple_stmt_uid, gimple_stmt_uid,
2716         gimple_stmt_max_uid, set_gimple_stmt_max_uid, inc_gimple_stmt_max_uid):
2717         New functions.
2718         * tree-dfa.c (renumber_gimple_stmt_uids): New function.
2719         (create_stmt_ann): Initialize the ann->uid field.
2720         * tree-ssa-pre.c (compute_avail): Encapsulate the stmt_ann->uid
2721         with new calls.
2722         * tree-flow.h (renumber_gimple_stmt_uids): New function.
2723
2724 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
2725
2726         * tree-flow.h (init_empty_tree_cfg_for_function): Declare.
2727         * tree-cfg.c (init_empty_tree_cfg_for_function): Define.
2728         (init_empty_tree_cfg): Call it.
2729
2730 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
2731
2732         * cfg.c (init_flow): Add argument THE_FUN.  Use it instead of cfun.
2733         Update all users.
2734
2735 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
2736
2737         * doc/invoke.text (-fdump-tree-*-verbose): New option.
2738         * tree-dump.c (dump_options): New verbose option.
2739         * tree-pretty-print.c (dump_phi_nodes, dump_generic_bb_buff):
2740         Add verbose dump.
2741         * tree-pass.h (TDF_VERBOSE): New dump flag.
2742         * print-tree.c (print_node): Added code to be able to print PHI_NODES.
2743         (tree-flow.h): Added include.
2744         * Makefile.in (print-tree.o):  Added TREE_FLOW_H.
2745
2746 2008-05-16  Bernd Schmidt  <bernd.schmidt@analog.com>
2747
2748         * config/bfin/bfin.c (bfin_discover_loops): Delete empty loops.
2749
2750         From Jie Zhang  <jie.zhang@analog.com>
2751         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
2752         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Remove mcpu=bf532-0.3,
2753         mcpu=bf561-none and mcpu=bf561-0.2.
2754         * config/bfin/t-bfin-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
2755         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
2756         * config/bfin/t-bfin-linux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
2757         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
2758         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add BFIN_CPU_UNKNOWN.
2759         * config/bfin/elf.h (STARTFILE_SPEC): Use specific CRT for BF561.
2760         (LIB_SPEC): Use proper linker script for bf561.  Error if no mcpu
2761         option.
2762         * config/bfin/bfin.c (bfin_cpu_type): Set to BFIN_CPU_UNKNOWN.
2763         (cputype_selected): Remove.
2764         (bfin_handle_option): Don't use cputype_selected.
2765         (override_options): When no mcpu option, enable all workarounds.
2766         Don't use bfin_workarounds.
2767         * config/bfin/bfin.h (DRIVER_SELF_SPECS): Don't set default
2768         processor type.
2769         (DEFAULT_CPU_TYPE): Don't define.
2770
2771 2008-05-16  Richard Guenther  <rguenther@suse.de>
2772
2773         * tree-ssa-propagate.c (substitute_and_fold): Fix stmt walking
2774         on deletion of the last stmt.
2775
2776 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2777
2778         * config/i386/i386.c (ix86_expand_vector_init_general): Optimize
2779         V8HImode for SSE2 and V16QImode for SSE4.1.
2780
2781 2008-05-15  Kenneth Zadeck <zadeck@naturalbridge.com>
2782
2783         * cgraph.h (compute_inline_parameters): Made public.
2784         * tree-pass.h (ipa_opt_pass): Removed function_generate_summary,
2785         variable_generate_summary, function_write_summary,
2786         variable_write_summary, variable_read_summary.  Added generate_summary,
2787         write_summary, read_summary.
2788         * cgraphunit.c (cgraph_process_new_functions): Changed call from
2789         pass_ipa_inline.function_generate_summary, to
2790         compute_inline_parameters. 
2791         * ipa-inline.c (compute_inline_parameters): Made public and added
2792         node parameter.
2793         (compute_inline_parameters_for_current): New function.
2794         (pass_inline_param): Now calls compute_inline_parameters_for_current.
2795         (inline_generate_summary): Removed parameter and made to loop over
2796         all cgraph nodes.
2797         (pass_ipa_inline): Updated for new IPA_PASS structure.
2798         * passes.c (execute_ipa_summary_passes): Now is called once per
2799         pass rather than once per node*pass.
2800         
2801 2008-05-15  Anatoly Sokolov <aesok@post.ru>
2802
2803         * config/avr/avr.c (avr_base_arch_macro, avr_have_movw_lpmx_p, 
2804         avr_have_mul_p, avr_asm_only_p): Remove variables.
2805         (avr_override_options): Remove initialization of removed variables.
2806         (avr_file_start):  Convert removed variables to fields of 
2807         'struct base_arch_s *avr_current_arch'. 
2808         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): (Ditto.).
2809         (AVR_HAVE_MUL): (Ditto.).
2810         (AVR_HAVE_MOVW): (Ditto.).
2811         (AVR_HAVE_LPMX): (Ditto.). 
2812         (avr_base_arch_macro, avr_have_movw_lpmx_p, avr_have_mul_p, 
2813         avr_asm_only_p): Remove declaration.
2814
2815 2008-05-15  Diego Novillo  <dnovillo@google.com>
2816
2817         * config/arm/arm.c (arm_return_in_memory): Fix return type.
2818         * config/arm/arm-protos.h (arm_return_in_memory): Likewise.
2819
2820 2008-05-15  Adam Nemet  <anemet@caviumnetworks.com>
2821
2822         PR middle-end/36194
2823         * combine.c (check_conversion): Rename back to check_promoted_subreg.
2824         Don't call record_truncated_value from here.
2825         (record_truncated_value): Turn it into a for_each_rtx callback.
2826         (record_truncated_values): New function.
2827         (combine_instructions): Call note_uses with record_truncated_values.
2828         Change name of check_conversion to check_promoted_subreg. 
2829
2830 2008-05-15  Janis Johnson  <janis187@us.ibm.com>
2831
2832         * doc/sourcebuild.texi: Document support for torture tests.
2833
2834 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
2835
2836         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Add "m" constraint
2837         to alternative 4 of operand 2.
2838
2839 2008-05-15  Richard Guenther  <rguenther@suse.de>
2840
2841         * tree-pass.h (current_pass): Declare.
2842         (get_pass_for_id): Likewise.
2843         * passes.c (passes_by_id, passes_by_id_size): New globals.
2844         (set_pass_for_id): New function.
2845         (get_pass_for_id): Likewise.
2846         (register_one_dump_file): Use set_pass_for_id to populate passes_by_id.
2847         (execute_function_todo): Flush per function statistics.
2848         * toplev.c (compile_file): Init statistics.
2849         (general_init): Do early statistics initialization.
2850         (finalize): Finish statistics.
2851         * statistics.h (statistics_early_init): Declare.
2852         (statistics_init): Likewise.
2853         (statistics_fini): Likewise.
2854         (statistics_fini_pass): Likewise.
2855         (statistics_counter_event): Likewise.
2856         (statistics_histogram_event): Likewise.
2857         * statistics.c: New file.
2858         * Makefile.in (OBJS-common): Add statistics.o.
2859         (statistics.o): Add dependencies.
2860         * doc/invoke.texi (-fdump-statistics): Document.
2861
2862         * tree-ssa-pre.c (compute_antic): Use statistics_histogram_event.
2863         (insert): Likewise.
2864         (execute_pre): Use statistics_counter_event.
2865         * tree-ssa-propagate.c (struct prop_stats_d): Add num_dce field.
2866         (substitute_and_fold): Increment it.  Use statistics_counter_event.
2867
2868 2008-05-15  Diego Novillo  <dnovillo@google.com>
2869
2870         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00893.html
2871
2872         * treestruct.def (TS_STRUCT_FIELD_TAG): Remove.
2873         * tree-ssa-alias.c (new_type_alias): Remove references to
2874         sub-variables from comment.
2875         * tree-ssa-operands.c (swap_tree_operands): Likewise.
2876
2877 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2878
2879         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Set prefix_extra
2880         attribute to 1 only for insertps alternative.
2881
2882 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
2883
2884         * config/bfin/bfin.md (loadbytes): New pattern.
2885         * config/bfin/bfin.c (enum bfin_builtins): Add BFIN_BUILTIN_LOADBYTES.
2886         (bfin_init_builtins): Initialize it.
2887         (bdesc_1arg): Add it.
2888
2889 2008-05-15  Sa Liu  <saliu@de.ibm.com>
2890
2891         * testsuite/gfortran.dg/c_kind_int128_test1.f03: New.
2892         * testsuite/gfortran.dg/c_kind_int128_test2.f03: New.
2893         * testsuite/lib/target-supports.exp: Add
2894         check_effective_target_fortran_integer_16.
2895
2896 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
2897
2898         * config/bfin/bfin.h (TARGET_RETURN_IN_MEMORY): Don't define here.
2899         * config/bfin/bfin-protos.h (bfin_return_in_memory): Don't declare.
2900         * config/bfin/bfin.c (bfin_return_in_memory): Now static.  Return bool.
2901         (TARGET_RETURN_IN_MEMORY): Define.
2902
2903 2008-05-15  Richard Guenther  <rguenther@suse.de>
2904
2905         PR middle-end/36244
2906         * tree-ssa-alias.c (new_type_alias): Do not set TREE_READONLY.
2907         * tree-flow-inline.h (unmodifiable_var_p): Memory tags never
2908         represent unmodifiable vars.
2909
2910 2008-05-15  Richard Guenther  <rguenther@suse.de>
2911
2912         * tree-dfa.c (refs_may_alias_p): Allow all kinds of
2913         INDIRECT_REF and TARGET_MEM_REF.
2914         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2915         TARGET_MEM_REF.
2916
2917 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
2918             H.J. Lu  <hongjiu.lu@intel.com>
2919
2920         * config/i386/sse.md (*vec_concatv2sf_sse4_1): New insn pattern.
2921         (*vec_concatv2si_sse4_1): Use vector_move_operand predicate
2922         for operand 2.  Remove pinsr{q,d} with 0x0 immediate operand from
2923         insn alternatives.  Add missing alternatives.
2924         (*vec_concatv2di_rex64_sse4_1): Likewise.
2925         (*vec_concatv2si_sse2): Use "x" register constraint instead of "Y2".
2926         (*vec_concatv2di_rex64_sse): Rename from *vec_concatv2di_rex64.
2927         Require TARGET_SSE.
2928
2929 2008-05-15  Richard Guenther  <rguenther@suse.de>
2930
2931         PR tree-optimization/36009
2932         PR tree-optimization/36204
2933         * tree-ssa-loop-im.c (tree-ssa-propagate.h): Include.
2934         (determine_invariantness_stmt): Record the loop a store is
2935         always executed in.
2936         * Makefile.in (tree-ssa-loop-im.o): Add tree-ssa-propagate.h
2937         dependency.
2938
2939 2008-05-15  Richard Guenther  <rguenther@suse.de>
2940
2941         PR tree-optimization/34330
2942         * tree-ssa-alias.c (get_smt_for): Only assert that accesses
2943         through the pointer will alias the SMT.
2944
2945 2008-05-14  Andreas Tobler  <a.tobler@schweiz.org>
2946
2947         * config/sparc/sparc.h (NO_PROFILE_COUNTERS): Define as 0.
2948
2949 2008-05-14  H.J. Lu  <hongjiu.lu@intel.com>
2950
2951         * config/i386/sse.md (*sse4_1_pinsrq): Make it 64bit only.
2952
2953 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
2954             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
2955
2956         * optabs.h (optab_index): Add OTI_vashl, OTI_vlshr, OTI_vashr,
2957         OTI_vrotl, OTI_vrotr to support vector/vector shifts.
2958         (vashl_optab): New optab for vector/vector shifts.
2959         (vashr_optab): Ditto.
2960         (vlshr_optab): Ditto.
2961         (vrotl_optab): Ditto.
2962         (vrotr_optab): Ditto.
2963         (optab_subtype): New enum for optab_for_tree_code call.
2964         (optab_for_tree_code): Add enum optab_subtype argument.
2965
2966         * optabs.c (optab_for_tree_code): Take an additional argument to
2967         distinguish between a vector shift by a scalar and vector shift by
2968         a vector.  Make lshr/ashr/ashl/rotl/rotr optabs just vector
2969         shifted by a scalar.  Use vlshr/vashr/vashl/vrotl/vrotr for the
2970         vector shift by a vector.
2971         (expand_widen_pattern_expr): Pass additional argument to
2972         optab_for_tree_code.
2973
2974         * genopinit.c (optabs): Add vashr_optab, vashl_optab, vlshr_optab,
2975         vrotl_optab, vrotr_optab.
2976
2977         * expr.c (expand_expr_real_1): Update calls to
2978         optab_for_tree_code to distinguish between vector shifted by a
2979         scalar and vector shifted by a vector.
2980         * tree-vectorizer.c (supportable_widening_operation): Ditto.
2981         (supportable_narrowing_operation): Ditto.
2982         * tree-vect-analyze.c (vect_build_slp_tree): Ditto.
2983         * tree-vect-patterns.c (vect_pattern_recog_1): Ditto.
2984         * tree-vect-transform.c (vect_model_reduction_cost): Ditto.
2985         (vect_create_epilog_for_reduction): Ditto.
2986         (vectorizable_reduction): Ditto.
2987         (vectorizable_operation): Ditto.
2988         (vect_strided_store_supported): Ditto.
2989         (vect_strided_load_supported): Ditto.
2990         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
2991         * expmed.c (expand_shift): Ditto.
2992
2993         * doc/md.texi (ashl@var{m}3): Document that operand 2 is always a
2994         scalar type.
2995         (ashr@var{m}3): Ditto.
2996         (vashl@var{m}3): Document new vector/vector shift standard name.
2997         (vashr@var{m}3): Ditto.
2998         (vlshr@var{m}3): Ditto.
2999         (vrotl@var{m}3): Ditto.
3000         (vrotr@var{m}3): Ditto.
3001
3002         * config/i386/i386.md (PPERM_SRC): Move PPERM masks here from i386.c.
3003         (PPERM_INVERT): Ditto.
3004         (PPERM_REVERSE): Ditto.
3005         (PPERM_REV_INV): Ditto.
3006         (PPERM_ZERO): Ditto.
3007         (PPERM_ONES): Ditto.
3008         (PPERM_SIGN): Ditto.
3009         (PPERM_INV_SIGN): Ditto.
3010         (PPERM_SRC1): Ditto.
3011         (PPERM_SRC2): Ditto.
3012
3013         * config/i386/sse.md (mulv2di3): Add SSE5 support.
3014         (sse5_pmacsdql_mem): New SSE5 define_and_split that temporarily
3015         allows a memory operand to be the value being added, and split it
3016         to improve vectorization.
3017         (sse5_pmacsdqh_mem): Ditto.
3018         (sse5_mulv2div2di3_low): SSE5 32-bit multiply and extend function.
3019         (sse5_mulv2div2di3_high): Ditto.
3020         (vec_pack_trunc_v8hi): Add SSE5 pperm support.
3021         (vec_pack_trunc_v4si): Ditto.
3022         (vec_pack_trunc_v2di): Ditto.
3023         (sse5_pcmov_<mode>): Remove code that tried to use use
3024         andps/andnps instead of pcmov.
3025         (vec_widen_smult_hi_v4si): If we have SSE5, use the pmacsdql and
3026         pmacsdqh instructions.
3027         (vec_widen_smult_lo_v4si): Ditto.
3028
3029         * config/i386/i386.c (PPERM_SRC): Move PPERM masks to i386.md.
3030         (PPERM_INVERT): Ditto.
3031         (PPERM_REVERSE): Ditto.
3032         (PPERM_REV_INV): Ditto.
3033         (PPERM_ZERO): Ditto.
3034         (PPERM_ONES): Ditto.
3035         (PPERM_SIGN): Ditto.
3036         (PPERM_INV_SIGN): Ditto.
3037         (PPERM_SRC1): Ditto.
3038         (PPERM_SRC2): Ditto.
3039         (ix86_expand_sse_movcc): Move the SSE5 test after the if
3040         true/false tests.
3041         (ix86_expand_int_vcond): If SSE5 generate all possible integer
3042         comparisons.
3043         (ix86_sse5_valid_op_p): Allow num_memory to be negative, which
3044         says ignore whether the last reference is a memory operand.
3045
3046 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
3047             Paolo Bonzini <bonzini at gnu dot org>
3048
3049         * config/rs6000/rs6000.c (bdesc_2arg): Change the names of vector
3050         shift patterns.
3051
3052         * config/rs6000/altivec.md (vashl<mode>3): Rename from ashl<mode>3.
3053         (vlshr<mode>3): Rename from vlshr<mode>3.
3054         (vashr<mode>3): Rename from vashr<mode>3.
3055         (mulv4sf3): Change the names of vector shift patterns.
3056         (mulv4si3): Ditto.
3057         (negv4sf2): Ditt.
3058
3059         * config/spu/spu.c (spu_initialize_trampoline): Rename vector
3060         shift insns.
3061
3062         * config/spu/spu-builtins.def (SI_SHLH): Rename vector shift insns.
3063         (SI_SHLHI): Ditto.
3064         (SI_SHL): Ditto.
3065         (SI_SHLI): Ditto.
3066         (SI_ROTH): Ditto.
3067         (SI_ROTHI): Ditto.
3068         (SI_ROT): Ditto.
3069         (SI_ROTI): Ditto.
3070         (SPU_RL_0): Ditto.
3071         (SPU_RL_1): Ditto.
3072         (SPU_RL_2): Ditto.
3073         (SPU_RL_3): Ditto.
3074         (SPU_RL_4): Ditto.
3075         (SPU_RL_5): Ditto.
3076         (SPU_RL_6): Ditto.
3077         (SPU_RL_7): Ditto.
3078         (SPU_SL_0): Ditto.
3079         (SPU_SL_1): Ditto.
3080         (SPU_SL_2): Ditto.
3081         (SPU_SL_3): Ditto.
3082         (SPU_SL_4): Ditto.
3083         (SPU_SL_5): Ditto.
3084         (SPU_SL_6): Ditto.
3085         (SPU_SL_7): Ditto.
3086
3087         * config/spu/spu.md (v): New iterator macro to add v for vector types.
3088         (floatunssidf2_internal): Change vector/vector shift names.
3089         (floatunsdidf2_internal): Ditto.
3090         (mulv8hi3): Ditto.
3091         (ashrdi3): Ditto.
3092         (ashrti3): Ditto.
3093         (cgt_df): Ditto.
3094         (cgt_v2df): Ditto.
3095         (dftsv): Ditto.
3096         (vashl<mode>3): Rename from ashl<mode>3.
3097         (vashr<mode>3): Rename from ashr<mode>3.
3098         (vlshr<mode>3): Rename from lshr<mode>3.
3099         (vrotl<mode>3): Rename from rotl<mode>3.
3100
3101 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
3102
3103         PR target/36224
3104         * config/i386/sse.md (vec_widen_smult_hi_v4si): Delete, using unsigned
3105         multiply gives the wrong value when doing widening multiplies.
3106         (vec_widen_smult_lo_v4si): Ditto.
3107
3108 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
3109
3110         * optabs.c (prepare_cmp_insn): Changed LCT_PURE_MAKE_BLOCK to
3111         LCT_PURE and LCT_CONST_MAKE_BLOCK to LCT_CONST in calls to
3112         emit_library_call_value. 
3113         * builtins.c (expand_builtin_powi, expand_builtin_memcmp): Ditto.
3114         * tree.h (ECF_LIBCALL_BLOCK): Removed.
3115         * calls.c (initialize_argument_information, precompute_arguments, 
3116         expand_call, emit_library_call_value_1): Remove ECF_LIBCALL_BLOCK.
3117         (precompute_arguments): Removed flags parameter.
3118         * rtl.h (LCT_CONST_MAKE_BLOCK, LCT_PURE_MAKE_BLOCK): Removed.
3119         
3120 2008-05-14  Richard Guenther  <rguenther@suse.de>
3121
3122         * tree-ssa-dse.c (dse_possible_dead_store_p): Remove dead code.
3123         Make sure to register the store if the use is a PHI_NODE.
3124
3125 2008-05-14  Olivier Hainque  <hainque@adacore.com>
3126
3127         * expr.c (expand_expr_real_1) <normal_inner_ref>: Force op0 to
3128         memory if the component is to be referenced in BLKmode according
3129         to get_inner_reference.
3130
3131 2008-05-14  Adam Nemet  <anemet@caviumnetworks.com>
3132
3133         * calls.c (emit_library_call_value_1): Restore code clearing
3134         ECF_LIBCALL_BLOCK to ensure that we only call end_sequence once.
3135
3136 2008-05-14  Olivier Hainque  <hainque@adacore.com>
3137             Nicolas Roche  <roche@adacore.com>
3138
3139         * configure.ac: Add support for a "gcc_subdir" variable in
3140         config-lang.in, to denote a subdirectory where the language/GCC
3141         integration files are to be found.
3142         * configure: Regenerate.
3143
3144 2008-05-14  Ira Rosen  <irar@il.ibm.com>
3145
3146         PR tree-optimization/36098
3147         * tree-vect-analyze.c (vect_analyze_group_access): Set the gap
3148         value for the first load in the group in case of a gap.
3149         (vect_build_slp_tree): Check that there are no gaps in loads.
3150
3151 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
3152
3153         * doc/rtl.texi: Removed reference to REG_NO_CONFLICT notes.
3154         * optabs.c (expand_binop, expand_absneg_bit, expand_unop,
3155         expand_copysign_bit, ): Change call to emit_no_conflict_block to
3156         emit_insn and remove unneeded code to construct extra args.
3157         (emit_no_conflict_block): Removed.
3158         * optabls.h: (emit_no_conflict_block): Removed.
3159         * cse.c (cse_extended_basic_block): Remove search for
3160         REG_NO_CONFLICT note.
3161         * global.c: Removed incorrect comment added in revision 117.
3162         * expr.c (convert_move): Change call to emit_no_conflict_block to
3163         emit_insn.
3164         * recog.c: Change comments so that they do not mention
3165         REG_NO_CONFLICT.
3166         * local_alloc.c (combine_regs): Removed last parameter.
3167         (no_conflict_p): Removed.
3168         (block_alloc): Removed note, no_conflict_combined_regno and set
3169         local vars. Removed all code to process REG_NO_CONFLICT blocks.
3170         (combine_regs): Removed already_dead and code to look for
3171         REG_NO_CONFLICT notes.
3172         * lower_subreg (remove_retval_note): Removed code to look for
3173         REG_NO_CONFLICT block.
3174         (resolve_reg_notes): Removed REG_NO_CONFLICT case.
3175         (resolve_clobber): Remove code to process libcalls that have
3176         REG_NO_CONFLICT notes.
3177         * loop_invariant.c (find_invariant_insn): Removed REG_NO_CONFLICT
3178         case.
3179         * combine.c (can_combine_p, distribute_notes):  Removed
3180         REG_NO_CONFLICT case.
3181         * config/cris/cris.md (movdi pattern): Changed emit_no_conflict_block
3182         to emit_insns.
3183         * config/mn10300/mn10300.md (absdf2, negdf2 patterns): Ditto.
3184         * config/m68k/m68k.md (negdf2, negxf2, absdf2, absxf2 patterns):
3185         Ditto.
3186         * reg-notes.def (NO_CONFLICT): Removed.
3187
3188 2008-05-14  David S. Miller  <davem@davemloft.net>
3189
3190         * config/sparc/sparc.c (sparc_profile_hook): If
3191         NO_PROFILE_COUNTERS, don't generate and pass a label into mcount.
3192         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Define as 1.
3193         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
3194
3195 2008-05-14  Andreas Krebbel  <krebbel1@de.ibm.com>
3196
3197         * cse.c (cse_cc_succs): Invoke delete_insn_and_edges.
3198
3199 2008-05-13  Uros Bizjak  <ubizjak@gmail.com>
3200
3201         PR target/36222
3202         * config/i386/i386.c (ix86_expand_vector_init_general): Rearrange op0
3203         and op1 expansion before vector concat to have less live pseudos.
3204
3205 2008-05-13  H.J. Lu  <hongjiu.lu@intel.com>
3206
3207         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
3208         ix86_expand_vector_set if supported.
3209
3210 2008-05-13  Diego Novillo  <dnovillo@google.com>
3211             Kenneth Zadeck  <zadeck@naturalbridge.com>
3212
3213         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00748.html
3214
3215         * tree.h (init_phinodes, fini_phinodes, release_phi_node,
3216         phinodes_print_statistics, init_ssanames, fini_ssanames,
3217         make_ssa_name, duplicate_ssa_name, duplicate_ssa_name_ptr_info,
3218         release_ssa_name, release_defs, replace_ssa_name_symbol,
3219         ssanames_print_statistics): Move ...
3220         * tree-flow.h: ... here.
3221         * tree-ssanames.c (init_ssanames): Add arguments FN and SIZE.
3222         Use FN instead of cfun.
3223         (make_ssa_name_fn): Rename from make_ssa_name.
3224         (pass_release_ssa_names): Add TODO_dump_func to finish flags.
3225         * tree-flow-inline.h (make_ssa_name): Move from
3226         tree-ssanames.c.  Convert to static inline.  Call make_ssa_name_fn.
3227         * omp-low.c (expand_omp_parallel):
3228         * tree-flow-inline.h (redirect_edge_var_map_result):
3229         * tree-ssa.c (init_tree_ssa): Add argument FN.
3230         Use it instead of cfun.  Update all users.
3231
3232 2008-05-13  Tom Tromey  <tromey@redhat.com>
3233
3234         PR preprocessor/22168:
3235         * doc/cpp.texi (Top): Update menu.
3236         (Alternatives to Wrapper #ifndef): New node.
3237         (Other Directives): Document deprecation.
3238         (Obsolete Features): Remove menu.
3239         (Assertions): Merge node into Obsolete Features.
3240         (Obsolete once-only headers): Move earlier; rename to Alternatives
3241         to Wrapper #ifndef.
3242         * doc/cppopts.texi: Update.
3243         * c.opt (Wdeprecated): Enable for C and ObjC.
3244         * doc/invoke.texi (Option Summary): Move -Wno-deprecated.
3245         (C++ Dialect Options): Move -Wno-deprecated from here to...
3246         (Warning Options): ... here.
3247
3248 2008-05-13  Richard Guenther  <rguenther@suse.de>
3249
3250         PR middle-end/36227
3251         * fold-const.c (fold_sign_changed_comparison): Do not allow
3252         changes in pointer-ness.
3253
3254 2008-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
3255
3256         PR target/24713
3257         * config/sh/sh.c (sh_expand_prologue): Don't clear
3258         RTX_FRAME_RELATED_P for push insns.
3259
3260 2008-05-12  Andy Hutchinson  <hutchinsonandy@aim.com>
3261
3262         * config/avr/avr.h (MAX_OFILE_ALIGNMENT): Define.
3263
3264 2008-05-12  Anatoly Sokolov <aesok@post.ru>
3265
3266         * config/avr/avr.h (machine_function): Add 'is_leaf' field.
3267         * config/avr/avr.c (avr_regs_to_save): Compute 'machine->is_leaf'.
3268         Use 'machine->is_leaf' instead of 'leaf_func_p'.
3269
3270 2008-05-12  H.J. Lu  <hongjiu.lu@intel.com>
3271
3272         * config/i386/sse.md (*sse_concatv4sf): Renamed to ...
3273         (*vec_concatv4sf_sse): This.
3274         (*sse2_concatv2si): Renamed to ...
3275         (*vec_concatv2si_sse2): This.
3276         (*sse1_concatv2si): Renamed to ...
3277         (*vec_concatv2si_sse): This.
3278         (*vec_concatv2di_rex): Renamed to ...
3279         (*vec_concatv2di_rex64): This.
3280         (*vec_concatv2si_sse4_1): New.
3281         (*vec_concatv2di_rex64_sse4_1): Likewise.
3282
3283 2008-05-12  Uros Bizjak  <ubizjak@gmail.com>
3284
3285         PR rtl-optimization/36111
3286         * recog.c (validate_replace_rtx_1): Unshare new RTL expression
3287         that was created for swappable operands.
3288
3289 2008-05-12  Samuel Tardieu  <sam@rfc1149.net>
3290
3291         PR ada/36001
3292         * Makefile.in: Substitute GNATMAKE and GNATBIND.
3293         * configure.ac: Add call to ACX_PROG_GNAT.
3294
3295 2008-05-11  Volker Reichelt  <v.reichelt@netcologne.de>
3296
3297         * optc-gen.awk: Fix comment typo.
3298
3299 2008-05-11  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
3300
3301         * pretty-print.c (pp_integer_with_precision): Use
3302         HOST_LONG_LONG_FORMAT.
3303
3304 2008-05-10  Kenneth Zadeck  <zadeck@naturalbridge.com>
3305
3306         * gcse.c (store_killed_in_insn): Negated call to RTL_CONST_CALL_P.
3307                 
3308 2008-05-10  H.J. Lu  <hongjiu.lu@intel.com>
3309
3310         * config/i386/i386.c (bdesc_ptest): Removed.
3311         (ix86_builtin_type): Add INT_FTYPE_V2DI_V2DI_PTEST.
3312         (bdesc_args): Add __builtin_ia32_ptestz128,
3313         __builtin_ia32_ptestc128 and __builtin_ia32_ptestnzc128.
3314         (ix86_init_mmx_sse_builtins): Updated.
3315         (ix86_expand_args_builtin): Handle INT_FTYPE_V2DI_V2DI_PTEST.
3316         (ix86_expand_builtin): Updated.
3317
3318 2008-05-10  Richard Sandiford  <rdsandiford@googlemail.com>
3319
3320         * tree-cfg.c (valid_fixed_convert_types_p): New function.
3321         (verify_gimple_expr): Handle FIXED_CONVERT_EXPR.
3322
3323 2008-05-10  Uros Bizjak  <ubizjak@gmail.com>
3324
3325         * value-prof.c (interesting_stringop_to_profile): Do not
3326         return early for BUILT_IN_MEMPCPY.
3327
3328 2008-05-09  H.J. Lu  <hongjiu.lu@intel.com>
3329
3330         * calls.c (expand_call): Don't use callgraph to increase
3331         preferred_stack_boundary.
3332
3333         * cgraph.h (cgraph_rtl_info): Use unsigned on
3334         preferred_incoming_stack_boundary.
3335
3336         * final.c (rest_of_clean_state): Use unsigned on
3337         preferred_stack_boundary.
3338
3339 2008-05-09  Tom Tromey  <tromey@redhat.com>
3340
3341         PR preprocessor/22231:
3342         * c-opts.c (sanitize_cpp_opts): Disallow -MG if compilation is
3343         proceeding.
3344
3345 2008-05-09  Uros Bizjak  <ubizjak@gmail.com>
3346
3347         PR tree-optimization/36129
3348         * tree-ssa-ccp.c: Include value-prof.h.
3349         (execute_fold_all_builtins): Call gimple_remove_stmt_histograms if
3350         built-in function was folded to a constant.
3351         * Makefile.in (tree-ssa-ccp.c): Depend on value-prof.h
3352
3353 2008-05-09  Jan Sjodin  <jan.sjodin@amd.com>
3354             Sebastian Pop  <sebastian.pop@amd.com>
3355
3356         * tree-scalar-evolution.c: Document instantiate_scev.
3357         (instantiate_parameters_1): Renamed instantiate_scev_1.
3358         Don't use the same loop for instantiation_loop and evolution_loop.
3359         (instantiate_scev): New.
3360         (instantiate_parameters): Moved...
3361         (resolve_mixers): Update call to instantiate_scev_1 to pass the
3362         same loop twice.  Maintains the semantics for this function.
3363         * tree-scalar-evolution.h (instantiate_scev): Declare.
3364         (instantiate_parameters): ...here.  Now static inline.
3365         * tree-data-ref.c (dr_analyze_indices): Call instantiate_scev
3366         instead of resolve_mixers.
3367
3368 2008-05-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
3369
3370         * rtl-factoring.c (collect_pattern_seqs): Fix typo.
3371
3372 2008-05-09  Tomas Bily  <tbily@suse.cz>
3373
3374         * config/pa/pa.c (reloc_needed): Use CASE_CONVERT.
3375         * tree-cfg.c (verify_expr, verify_gimple_expr): Likewise.
3376         * tree-ssa-structalias.c (get_constraint_for): Likewise.
3377         * c-common.c (c_common_truthvalue_conversion): Likewise.
3378         * tree-object-size.c (compute_object_offset): Likewise.
3379         * tree-inline.c (estimate_num_insns_1): Likewise.
3380         * varasm.c (const_hash_1, compare_constant, copy_constant)
3381         (compute_reloc_for_constant, output_addressed_constants)
3382         (initializer_constant_valid_p): Likewise.
3383         * c-omp.c (check_omp_for_incr_expr): Likewise.
3384         * gimplify.c (gimplify_expr): Likewise.
3385         * c-typeck.c (c_finish_return): Likewise.
3386         * tree-vectorizer.c (supportable_widening_operation)
3387         (supportable_narrowing_operation): Likewise.
3388         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Likewise.
3389         * matrix-reorg.c (can_calculate_expr_before_stmt): Likewise.
3390         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
3391         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info)
3392         (descr_info_loc): Likewise.
3393         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
3394         * fold-const.c (operand_equal_p, make_range, extract_muldiv_1)
3395         (fold_unary): Likewise.
3396         * builtins.c (get_pointer_alignment): Likewise.
3397         * tree-scalar-evolution.c (interpret_rhs_modify_stmt)
3398         (instantiate_parameters_1): Likewise.
3399         * tree.c (expr_align, stabilize_reference): Likewise.
3400         * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
3401         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
3402         * convert.c (strip_float_extensions): Use CONVERT_EXPR_P.
3403         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
3404         * config/alpha/alpha.c (va_list_skip_additions): Likewise.
3405         * c-common.c (c_alignof_expr, check_function_arguments_recurse):
3406         Likewise.
3407         * tree-ssa.c (tree_ssa_useless_type_conversion): Likewise.
3408         * varasm.c (initializer_constant_valid_p, output_constant): Likewise.
3409         * tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from)
3410         (forward_propagate_addr_expr_1, forward_propagate_addr_expr)
3411         (forward_propagate_comparison)
3412         (tree_ssa_forward_propagate_single_use_vars): Likewise.
3413         * cfgexpand.c (discover_nonconstant_array_refs_r): Likewise.
3414         * emit-rtl.c (component_ref_for_mem_expr)
3415         (set_mem_attributes_minus_bitpos): Likewise.
3416         * tree-ssa-phiopt.c (conditional_replacement): Likewise.
3417         * gimplify.c (gimplify_conversion, goa_lhs_expr_p, gimplify_expr):
3418         Likewise.
3419         * c-typeck.c (default_function_array_conversion, build_indirect_ref)
3420         (build_function_call, pointer_diff, build_compound_expr)
3421         (c_finish_return): Likewise.
3422         * tree-vect-analyze.c (vect_determine_vectorization_factor): Likewise.
3423         * matrix-reorg.c (get_inner_of_cast_expr, may_flatten_matrices_1):
3424         Likewise.
3425         * tree-ssa-ifcombine.c (recognize_single_bit_test): Likewise.
3426         * expr.c (is_aligning_offset): Likewise.
3427         * tree-ssa-alias.c (is_escape_site): Likewise.
3428         * tree-stdarg.c (va_list_counter_bump, check_va_list_escapes)
3429         (check_all_va_list_escapes): Likewise.
3430         * tree-ssa-loop-ivopts.c (determine_base_object)
3431         (determine_common_wider_type): Likewise.
3432         * dojump.c (do_jump): Likewise.
3433         * tree-ssa-sccvn.c (simplify_unary_expression): Likewise.
3434         * tree-gimple.c (is_gimple_cast): Likewise.
3435         * fold-const.c (decode_field_reference, )
3436         (fold_sign_changed_comparison, fold_unary, fold_comparison)
3437         (fold_binary): Likewise.
3438         * tree-ssa-alias-warnings.c (find_alias_site_helper)
3439         (already_warned_in_frontend_p): Likewise.
3440         * builtins.c (get_memory_rtx, fold_builtin_next_arg): Likewise.
3441         * tree.c (really_constant_p, get_unwidened): Likewise.
3442         * tree-ssa-loop-niter.c (expand_simple_operations): Likewise.
3443         * tree-ssa-loop-im.c (rewrite_bittest): Likewise.
3444         * tree-vrp.c (register_edge_assert_for_2, register_edge_assert_for_1):
3445         Likewise.
3446         * tree.h (STRIP_NOPS, STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Use
3447         CONVERT_EXPR_P.
3448         (CONVERT_EXPR_P): Define.
3449         (CASE_CONVERT): Define.
3450         
3451 2008-05-08  Kenneth Zadeck  <zadeck@naturalbridge.com>
3452
3453         PR middle-end/36117
3454         * dce.c (deletable_insn_p): Do not delete calls if df_in_progress.
3455         (delete_unmarked_insns): When deleting a call, call
3456         delete_unreachable_blocks.
3457         * rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
3458         RTL_CONST_OR_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P): Fixed doc.
3459
3460 2008-05-08  Richard Guenther  <rguenther@suse.de>
3461
3462         * doc/invoke.texi (-fdump-tree-salias): Remove documentation.
3463         (-ftree-salias): Likewise.
3464         (salias-max-implicit-fields): Remove param documentation.
3465         (salias-max-array-elements): Likewise.
3466         * tree-pass.h (pass_create_structure_vars): Remove.
3467         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): Remove.
3468         (SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
3469         * tree-ssa-alias.c (create_structure_vars): Remove.
3470         (gate_structure_vars): Likewise.
3471         (pass_create_structure_vars): Likewise.
3472         (gate_build_alias): Likewise.
3473         (pass_build_alias): Adjust to run always and dump the function.
3474         * common.opt (ftree-salias): Hide.
3475         * passes.c (init_optimization_passes): Remove
3476         pass_create_structure_vars, adjust comment.
3477         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): Remove.
3478         (PARAM_SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
3479         * opts.c (decode_options): Do not set flag_tree_salias.
3480         (common_handle_option): Add OPT_ftree_salias to the backward
3481         compatibility section.
3482
3483 2008-05-08  Richard Guenther  <rguenther@suse.de>
3484
3485         * tree-flow-inline.h (var_can_have_subvars): Move ...
3486         * tree-ssa-structalias.c (var_can_have_subvars): ... here.
3487         * tree-flow.h (var_can_have_subvars): Remove.
3488         (push_fields_onto_fieldstack): Remove.
3489         (sort_fieldstack): Likewise.
3490         (struct fieldoff): Move ...
3491         * tree-ssa-structalias.c (struct fieldoff): ... here.  Remove
3492         alias_set and base_for_components fields.
3493         (sort_fieldstack): Make static.
3494         (push_fields_onto_fieldstack): Likewise.  Remove code that
3495         handles anything but RECORD_TYPEs.  Remove alias_set and
3496         base_for_components handling.
3497         (create_variable_info_for): Adjust.
3498
3499 2008-05-08  Seongbae Park  <seongbae.park@gmail.com>
3500
3501         * common.opt (Wframe-larger-than=): Shorten the help message
3502         to one line.
3503         * doc/invoke.texi (Wframe-larger-than=): Add more description.
3504
3505 2008-05-08  Rafael Espindola  <espindola@google.com>
3506
3507         * tree-complex.c (expand_complex_div_wide): Don't create CONDs that
3508         trap.
3509         * tree-gimple.c (is_gimple_condexpr): Check that the expression doesn't
3510         trap and that both operands are gimple values.
3511         (canonicalize_cond_expr_cond): Use is_gimple_condexpr.
3512         * gcc/tree-eh.c (tree_could_trap_p): Correctly detect if a comparison
3513         is a fp operation.
3514
3515 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
3516
3517         * read-rtl.c (join_c_conditions): Return the first string if the
3518         two strings are equal.
3519
3520 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
3521
3522         * gensupport.h (pred_data): Add a "num_codes" field.
3523         (add_predicate_code): Declare.
3524         * gensupport.c (add_predicate_code): New function.
3525         (std_pred_table): Add an "allows_const_p" field.
3526         (std_preds): Set this field for predicates that allow RTX_CONST_OBJs.
3527         Remove the (incomplete) list of such codes from the codes field.
3528         (init_predicate_table): Use add_predicate_code.  Add all
3529         RTX_CONST_OBJs if allows_const_p is true.
3530         * genrecog.c (process_define_predicate): Use add_predicate_code.
3531
3532 2008-05-08  David Daney  <ddaney@avtrex.com>
3533             Richard Sandiford  <rsandifo@nildram.co.uk>
3534         
3535         * config/mips/mips.md (mips_expand_compare_and_swap_12): Handle
3536         special case of constant zero operands.
3537         * config/mips/mips.c (mips_expand_compare_and_swap_12): Zero extend
3538         old and new values.  Special case constant zero values.
3539         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP): Skip 'sync' if compare
3540         fails.
3541         (MIPS_COMPARE_AND_SWAP_12): Handle constant zero operands.
3542         (MIPS_COMPARE_AND_SWAP_12_0): New macro.
3543
3544 2008-05-08  Paolo Bonzini  <bonzini@gnu.org>
3545
3546         PR target/36090
3547         * simplify-rtx.c (simplify_plus_minus): Create CONST of
3548         similar RTX_CONST_OBJ before CONST_INT.
3549
3550 2008-05-08  Steve Ellcey  <sje@cup.hp.com>
3551
3552         * stmt.c (expand_stack_restore): Change sa mode if needed.
3553
3554 2008-05-08  Richard Guenther  <rguenther@suse.de>
3555
3556         * config/i386/i386-protos.h (ix86_return_in_memory): Adjust
3557         return type to bool.
3558         (ix86_sol10_return_in_memory): Likewise.
3559         (ix86_i386elf_return_in_memory): Likewise.
3560         (ix86_i386interix_return_in_memory): Likewise.
3561         * config/i386/i386.c (ix86_return_in_memory): Likewise.
3562         (ix86_sol10_return_in_memory): Likewise.
3563         (ix86_i386elf_return_in_memory): Likewise.
3564         (ix86_i386interix_return_in_memory): Likewise.
3565
3566 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
3567
3568         PR bootstrap/36180
3569         * calls.c (compute_argument_block_size ): Add ATTRIBUTE_UNUSED to
3570         fndecl argument.
3571         (emit_library_call_value_1): Add ATTRIBUTE_UNUSED to variable fndecl.
3572         * target-def.h: Check that TARGET_RETURN_IN_MEMORY isn't
3573         declared in front.
3574
3575 2008-05-08  Richard Guenther  <rguenther@suse.de>
3576
3577         * tree-data-ref.c (dr_analyze_alias): Do not set DR_SUBVARS.
3578         * tree-data-ref.h (struct dr_alias): Remove subvars field.
3579         (DR_SUBVARS): Remove.
3580         * tree-dfa.c (dump_subvars_for): Remove.
3581         (debug_subvars_for): Likewise.
3582         (dump_variable): Do not dump subvars.
3583         (remove_referenced_var): Do not remove subvars.
3584         * tree-flow-inline.h (clear_call_clobbered): SFTs no longer exist.
3585         (lookup_subvars_for_var): Remove.
3586         (get_subvars_for_var): Likewise.
3587         (get_subvars_at): Likewise.
3588         (get_first_overlapping_subvar): Likewise.
3589         (overlap_subvar): Likewise.
3590         * tree-flow.h (subvar_t): Remove.
3591         (struct var_ann_d): Remove subvars field.
3592         * tree-ssa-alias.c (mark_aliases_call_clobbered): Remove queued
3593         argument.  Remove special handling of SFTs.
3594         (compute_tag_properties): Likewise.
3595         (set_initial_properties): Likewise.
3596         (compute_call_clobbered): Likewise.
3597         (count_mem_refs): Likewise.
3598         (compute_memory_partitions): Likewise.
3599         (compute_flow_insensitive_aliasing): Likewise.
3600         (setup_pointers_and_addressables): Likewise.
3601         (new_type_alias): Likewise.
3602         (struct used_part): Remove.
3603         (used_portions): Likewise.
3604         (struct used_part_map): Likewise.
3605         (used_part_map_eq): Likewise.
3606         (used_part_map_hash): Likewise.
3607         (free_used_part_map): Likewise.
3608         (up_lookup): Likewise.
3609         (up_insert): Likewise.
3610         (get_or_create_used_part_for): Likewise.
3611         (create_sft): Likewise.
3612         (create_overlap_variables_for): Likewise.
3613         (find_used_portions): Likewise.
3614         (create_structure_vars): Likewise.
3615         * tree.def (STRUCT_FIELD_TAG): Remove.
3616         * tree.h (MTAG_P): Adjust.
3617         (struct tree_memory_tag): Remove base_for_components and
3618         unpartitionable flags.
3619         (struct tree_struct_field_tag): Remove.
3620         (SFT_PARENT_VAR): Likewise.
3621         (SFT_OFFSET): Likewise.
3622         (SFT_SIZE): Likewise.
3623         (SFT_NONADDRESSABLE_P): Likewise.
3624         (SFT_ALIAS_SET): Likewise.
3625         (SFT_UNPARTITIONABLE_P): Likewise.
3626         (SFT_BASE_FOR_COMPONENTS_P): Likewise.
3627         (union tree_node): Remove sft field.
3628         * alias.c (get_alias_set): Remove special handling of SFTs.
3629         * print-tree.c (print_node): Remove handling of SFTs.
3630         * tree-dump.c (dequeue_and_dump): Likewise.
3631         * tree-into-ssa.c (mark_sym_for_renaming): Likewise.
3632         * tree-nrv.c (dest_safe_for_nrv_p): Remove special handling of SFTs.
3633         * tree-predcom.c (set_alias_info): Do not set subvars.
3634         * tree-pretty-print.c (dump_generic_node): Do not handle SFTs.
3635         * tree-ssa-loop-ivopts.c (get_ref_tag): Likewise.
3636         * tree-ssa-operands.c (access_can_touch_variable): Likewise.
3637         (add_vars_for_offset): Remove.
3638         (add_virtual_operand): Remove special handling of SFTs.
3639         (add_call_clobber_ops): Likewise.
3640         (add_call_read_ops): Likewise.
3641         (get_asm_expr_operands): Likewise.
3642         (get_modify_stmt_operands): Likewise.
3643         (get_expr_operands): Likewise.
3644         (add_to_addressable_set): Likewise.
3645         * tree-ssa.c (verify_ssa_name): Do not handle SFTs.
3646         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
3647         * tree-vect-transform.c (vect_create_data_ref_ptr): Do not set subvars.
3648         * tree.c (init_ttree): Remove STRUCT_FIELD_TAG initialization.
3649         (tree_code_size): Remove STRUCT_FIELD_TAG handling.
3650         (tree_node_structure): Likewise.
3651         * tree-ssa-structalias.c (set_uids_in_ptset): Remove special
3652         handling of SFTs.
3653         (find_what_p_points_to): Likewise.
3654
3655 2008-05-08  Sa Liu  <saliu@de.ibm.com>
3656
3657         * config/spu/spu.md: Fixed subti3 pattern.
3658
3659 2008-05-08  Richard Guenther  <rguenther@suse.de>
3660
3661         PR middle-end/36154
3662         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
3663         sure to create a representative for trailing arrays for PTA.
3664
3665 2008-05-08  Richard Guenther  <rguenther@suse.de>
3666
3667         PR middle-end/36172
3668         * fold-const.c (operand_equal_p): Two objects which types
3669         differ in pointerness are not equal.
3670
3671 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
3672
3673         * calls.c (compute_argument_block_size): Add argument tree fndecl.
3674         (OUTGOING_REG_PARM_STACK_SPACE): Add function type argument.
3675         (emit_library_call_value_1): Add new variable fndecl initialized by
3676         NULL_TREE. It should be the decl type of orgfun, but this information
3677         seems not to be available here, so it uses the default calling abi.
3678         * config/arm/arm.c (arm_return_in_memory): Add fntype argumen.
3679         * config/arm/arm.h (RETURN_IN_MEMORY): Replace RETURN_IN_MEMORY
3680         by TARGET_RETURN_IN_MEMORY.
3681         * config/i386/i386-interix.h: Likewise.
3682         * config/i386/i386.h: Likewise.
3683         * config/i386/i386elf.h: Likewise.
3684         * config/i386/ptx4-i.h: Likewise.
3685         * config/i386/sol2-10.h: Likewise.
3686         * config/i386/sysv4.h: Likewise.
3687         * config/i386/vx-common.h: Likewise.
3688         * config/cris/cris.h: Removed #if 0 clause.
3689         * config/arm/arm-protos.h (arm_return_in_memory): Add fntype argument.
3690         * config/i386/i386-protos.h (ix86_return_in_memory): Add fntype
3691         argument.
3692         (ix86_sol10_return_in_memory): Likewise.
3693         (ix86_i386elf_return_in_memory): New.
3694         (ix86_i386interix_return_in_memory): New.
3695         * config/mt/mt-protos.h (mt_return_in_memory): New.
3696         * config/mt/mt.c: Likewise.
3697         * config/mt/mt.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
3698         (RETURN_IN_MEMORY):  Replace by TARGET_RETURN_IN_MEMORY.
3699         * config/bfin/bfin.h: Likewise.
3700         * config/bfin/bfin-protos.h (bfin_return_in_memory): Add fntype
3701         argument.
3702         * config/bfin/bfin.c: Likewise.
3703         * config/pa/pa.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
3704         * config/alpha/unicosmk.h: Likewise.
3705         * config/i386/cygming.h: Likewise.
3706         * config/iq2000/iq2000.h: Likewise.
3707         * config/mips/mips.h: Likewise.
3708         * config/mn10300/mn10300.h: Likewise.
3709         * config/rs6000/rs6000.h: Likewise.
3710         * config/score/score.h: Likewise.
3711         * config/spu/spu.h: Likewise.
3712         * config/v850/v850.h: Likewise.
3713         * defaults.h: Likewise.
3714         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Adjust documentation.
3715         * expr.c (emit_block_move): Adjust use of
3716         OUTGOING_REG_PARM_STACK_SPACE.
3717         * function.c (STACK_DYNAMIC_OFFSET): Adjust use of
3718         OUTGOING_REG_PARM_STACK_SPACE.
3719         * targhooks.c (default_return_in_memory): Remove RETURN_IN_MEMORY.
3720
3721 2008-05-08  Jakub Jelinek  <jakub@redhat.com>
3722
3723         * tree-parloops.c (create_parallel_loop): Set OMP_RETURN_NOWAIT
3724         on OMP_RETURN for OMP_FOR.
3725
3726         PR debug/35896
3727         * dwarf2out.c (dw_expand_expr, common_check): Removed.
3728         (fortran_common): New function.
3729         (gen_variable_die): Call fortran_common instead of common_check,
3730         adjust for it returning tree instead of rtx.  Formatting.
3731
3732 2008-05-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
3733
3734         PR rtl/7335
3735         PR rtl/33826
3736         * see.c (see_copy_insn): Copy new pure const attributes for new call.
3737         * c-decl.c (merge_decls): Ditto.
3738         * postreload.c (record_opr_changes): Change CONST_OR_PURE_CALL_P
3739         to RTL_CONST_OR_PURE_CALL_P.
3740         * tree.c (define_local_buitin): Rename DECL_IS_PURE to DECL_PURE_P.
3741         Initialized DECL_LOOPING_CONST_PURE.
3742         (process_call_operands): Set tree_side_effects properly.
3743         * tree.h (TREE_READONLY_DECL_P): Removed.
3744         (DECL_IS_PURE): Renamed to DECL_PURE_P.
3745         (DECL_LOOPING_OR_CONST_P): New macro.
3746         (struct tree_function_decl): Added looping_const_or_pure_p.
3747         (ECF_*) Renumbered.
3748         (ECF_LOOPING_OR_CONST_P): New macro.
3749         * rtlanal.c (pure_const_p): Removed.
3750         * builtins.c (expand_builtin): Rename DECL_IS_PURE to DECL_PURE_P.
3751         * reorg.c (delete_prior_computation) Changed CONST_OR_PURE_CALL_P
3752         to RTL_CONST_CALL_P.
3753         * ipa-pure-const.c (pure_const_state_e): Added looping field.
3754         (check_decl, check_tree, check_call, scan_function): Initialize
3755         looping.
3756         (analyze_function): Rename DECL_IS_PURE to DECL_PURE_P.
3757         (static_execute): Set looping true for recursive functions.
3758         Undo setting state to IPA_NEITHER for recursive functions.
3759         * cse.c (cse_insn): 
3760         * ifcvt.c (noce_can_store_speculate_p): Changed
3761         CONST_OR_PURE_CALL_P and pure_call_p to RTL_CONST_CALL_P or 
3762         RTL_CONST_OR_PURE_CALL_P.
3763         * dse.c (scan_insn): Ditto.
3764         * local-alloc.c (validate_equiv_mem, memref_used_between_p): Ditto.
3765         * gcse.c (oprs_not_seen_p) Changed CONST_OR_PURE_CALL_P to
3766         RTL_CONST_OR_PURE_CALL_P.
3767         (store_killed_in_insn): Changed CONST_OR_PURE_CALL_P and
3768         pure_call_p to RTL_CONST_CALL_P.
3769         * gimplify.c (gimplify_call_expr): Clear side effects for
3770         non-looping pure and constant calls.
3771         * calls.c (emit_call_1): Set rtl flags from ecf flags.
3772         (flags_from_decl_or_type): Set ecf flags from decl flags.
3773         (initialize_argument_information): Turn off
3774         ECF_LOOPING_CONST_OR_PURE when turning off ECF_CONST.
3775         Change const to pure if callee_copies is true rather than just
3776         turning off const.
3777         (expand_call): Turn off ECF_LOOPING_PURE_CONST_CALL and remove old
3778         way of marking pure calls.
3779         (emit_library_call_value_1): Turn off ECF_LOOPING_PURE_CONST_CALL.
3780         Remove hack that was supposed to fix pr7335 and remove old
3781         way of marking pure calls.
3782         * emit-rtl.c (emit_copy_of_insn_after): Copy RTL_CONST_CALL_P,
3783         RTL_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P.
3784         * cselib.c (cselib_process_insn): Changed CONST_OR_PURE_CALL_P to
3785         RTL_CONST_OR_PURE_CALL_P.
3786         * tree-ssa-pre.c (can_value_number_call): Fixed spacing.
3787         * loop-invariant.c (find_exits, find_invariant_bb): Changed
3788         CONST_OR_PURE_CALL_P to RTL_CONST_OR_PURE_CALL_P.
3789         * sched-deps.c (schedule_analyze): Ditto.
3790         * rtl.h (struct rtx_def): Use call field, unchanging field, and
3791         return_val field of calls to represent pure and const function info.
3792         (CONST_OR_PURE_CALL_P): Deleted macro.
3793         (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
3794         RTL_LOOPING_CONST_OR_PURE_CALL_P, RTL_CONST_OR_PURE_P): New macros.
3795         * tree-inline.c (copy_body_r): Changed TREE_READONLY_DECL_P to
3796         TREE_READONLY.
3797         * tree-optimize.c (execute_fixup_cfg): Added test for
3798         ECF_LOOPING_CONST_OR_PURE.
3799         * c-common.c (handle_pure_attribute): Changed DECL_IS_PURE to
3800         DECL_PURE_P.
3801         * tree-cfg.c (update_call_expr_flags): Do not clear tree side
3802         effects for looping pure or const calls.
3803         (verify_gimple_expr): Added verification code. 
3804         * config/alpha/alpha.c (alpha_legitimize_address,
3805         alpha_emit_xfloating_libcall): Changed CONST_OR_PURE_CALL_P to
3806         RTL_CONST_CALL_P.
3807         * config/s390/s390.c (s390_emit_tls_call_insn): Ditto.
3808         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Ditto.
3809         * config/mips/mips.c (mips_call_tls_get_addr): Ditto.
3810         * cfgrtl.c (need_fake_edge_p): Changed CONST_OR_PURE_CALL_P to
3811         RTL_CONST_OR_PURE_CALL_P.
3812         * dce.c (deletable_insn_p): Allow non looping, non sibling, pure
3813         and const calls to be deleted.
3814
3815 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
3816
3817         PR target/35714
3818         * config/i386/mmx.md (mmx_subv2sf3): New expander.
3819         (*mmx_subv2sf3): Rename from mmx_subv2sf3 insn pattern.
3820         (*mmx_eqv2sf3): Rename from mmx_eqv2sf3 insn pattern.
3821         (mmx_eqv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
3822         to handle nonimmediate operands.
3823         (*mmx_paddwd): Rename from mmx_paddwd insn pattern.
3824         (mmx_paddwd): New expander.  Use ix86_fixup_binary_operands_no_copy
3825         to handle nonimmediate operands.
3826         (*mmx_pmulhrwv4hi3): Rename from mmx_pmulhrwv4hi3 insn pattern.
3827         (mmx_pmulhrwv4hi3): New expander.  Use
3828         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3829         (*sse2_umulv1siv1di3): Rename from sse2_umulv1siv1di3 insn pattern.
3830         (sse2_umulv1siv1di3): New expander.  Use
3831         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3832         (*mmx_eq<mode>3): Rename from mmx_eq<mode>3 insn pattern.
3833         (mmx_eq<mode>3): New expander.  Use
3834         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3835         (*mmx_uavgv8qi3): Rename from mmx_uavgv8qi3 insn pattern.
3836         (mmx_uavgv8qi3): New expander.  Use
3837         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3838         (*mmx_uavgv4hi3): Rename from mmx_uavgv4hi3 insn pattern.
3839         (mmx_uavgv4hi3): New expander.  Use
3840         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3841
3842         * config/i386/sse.md
3843         (sse_movhlps_exp): New expander.  Use ix86_fixup_binary_operands
3844         to handle nonimmediate operands.
3845         (sse_movlhps_exp): New expander.  Use ix86_fixup_binary_operands
3846         to handle nonimmediate operands.
3847         (sse_loadhps_exp): New expander.  Use ix86_fixup_binary_operands
3848         to handle nonimmediate operands.
3849         (sse_loadlps_exp): New expander.  Use ix86_fixup_binary_operands
3850         to handle nonimmediate operands.
3851         (sse2_unpckhpd_exp): New expander.  Use
3852         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3853         (sse2_unpcklpd_exp): New expander.  Use
3854         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3855         (sse_loadhpd_exp): New expander.  Use ix86_fixup_binary_operands
3856         to handle nonimmediate operands.
3857         (sse_loadlpd): New expander.  Use ix86_fixup_binary_operands
3858         to handle nonimmediate operands.
3859         (*sse2_<plusminus_insn><mode>3): Rename from
3860         sse2_<plusminus_insn><mode>3 insn pattern.
3861         (sse2_<plusminus_insn><mode>3): New expander.  Use
3862         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3863         (*sse2_umulv2siv2di3): Rename from sse2_umulv2siv2di3 insn pattern.
3864         (sse2_umulv2siv2di3): New expander.  Use
3865         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3866         (*sse4_1_mulv2siv2di3): Rename from sse4_1_mulv2siv2di3 insn pattern.
3867         (sse4_1_mulv2siv2di3): New expander.  Use
3868         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3869         (*sse2_pmaddwd): Rename from sse2_pmaddwd insn pattern.
3870         (sse2_pmaddwd): New expander.  Use
3871         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3872         (*sse2_eq<mode>3): Rename from sse2_eq<mode>3 insn pattern.
3873         (sse2_eq<mode>3): New expander.  Use
3874         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3875         (*sse4_1_eqv2di3): Rename from sse4_1_eqv2di3 insn pattern.
3876         (sse4_1_eqv2di3): New expander.  Use
3877         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3878         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
3879         (sse2_uavgv16qi3): New expander.  Use
3880         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3881         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
3882         (sse2_uavgv16qi3): New expander.  Use
3883         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3884         (*sse2_uavgv8hi3): Rename from sse2_uavgv8hi3 insn pattern.
3885         (sse2_uavgv8hi3): New expander.  Use
3886         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3887         (*ssse3_pmulhrswv8hi3): Rename from ssse3_pmulhrswv8hi3 insn pattern.
3888         (ssse3_pmulhrswv8hi3): New expander.  Use
3889         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3890         (*ssse3_pmulhrswv4hi3): Rename from ssse3_pmulhrswv4hi3 insn pattern.
3891         (ssse3_pmulhrswv4hi3): New expander.  Use
3892         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3893
3894         (<sse>_vm<plusminus_insn><mode>3): Do not use ix86_binary_operator_ok.
3895         (<sse>_vmmul<mode>3): Ditto.
3896         (divv4sf3): Do not use ix86_fixup_binary_operands_no_copy.
3897         (divv2df3): Ditto.
3898         (ssse3_pmaddubsw128): Use register_operand for operand 1.
3899         (ssse3_pmaddubsw): Ditto.
3900
3901         * config/i386/i386.c (struct_builtin_description)
3902         [IX86_BUILTIN_LOADHPS]: Use CODE_FOR_sse_loadhps_exp.
3903         [IX86_BUILTIN_STOREHPS]: Use CODE_FOR_sse_loadlps_exp.
3904         [IX86_BUILTIN_LOADHPD]: Use CODE_FOR_sse2_loadhpd_exp.
3905         [IX86_BUILTIN_LOADLPD]: Use CODE_FOR_sse2_loadlpd_exp.
3906         [IX86_BUILTIN_MOVHLPS]: Use CODE_FOR_sse_movhlps_exp.
3907         [IX86_BUILTIN_MOVLHPS]: Use CODE_FOR_sse_movlhps_exp.
3908         [IX86_BUILTIN_UNPCKHPD]: Use FOR_sse2_unpckhpd_exp.
3909         [IX86_BUILTIN_UNPCKLPD]: Use FOR_sse2_unpcklpd_exp.
3910         (ix86_fixup_binary_operands): Assert that src1
3911         and src2 must have the same mode when swapped.
3912         (ix86_expand_binop_builtin): Do not use ix86_fixup_binary_operands
3913         and ix86_binary_operator_ok.  Do not force operands in registers
3914         when optimizing.
3915
3916 2008-05-07  Jan Hubicka  <jh@suse.cz>
3917
3918         * cgraph.c (dump_cgraph_node): Update.
3919         * cgraph.h (cgraph_local_info): Break out inline summary.
3920         * cgraphunit.c (cgraph_process_new_functions): Use inliner analysis
3921         hook.
3922         * ipa-inline (inline_summary): New accestor function.
3923         (cgraph_clone_inlined_nodes, cgraph_check_inline_limits,
3924         cgraph_decide_inlining, compute_inline_parameters): Update.
3925         * ipa.c (cgraph_remove_unreachable_nodes): Remove statistics.
3926
3927 2008-05-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
3928
3929         Cleanup ColdFire scheduling support and add V4 pipeline model.
3930
3931         * config/m68k/m68k.md (UNSPEC_TIE): New constant.
3932         (define_attr cpu): Add cfv4 value.
3933         (define_attr type, define_attr type1): Merge into a single 'type'
3934         attribute.  Update all uses.
3935         (define_attr opx_type, define_attr opy_type, define_attr opx_access):
3936         Rearrange and update.  Rename value 'reg' to 'Rn', add value 'FPn'.
3937         Update all uses.
3938         (define_attr opx_mem, define_attr opy_mem): Remove.
3939         (define_attr op_mem): Clean up, update comment.
3940         (define_attr size): Use specific values instead of general int.
3941         (define_attr guess, define_attr split): Remove.  Update all uses.
3942         (movdf_internal, tstsi_internal, tsthi_internal, tstqi_internal,
3943         tst<mode>_68881, pushexthisi_const, movsi_const0_68000_10,
3944         movsi_const0_68040_60, movsi_const0, movsi_cf, movstrictqi_cf,
3945         zero_extendhisi2_cf, zero_extendqisi2_cfv4, cfv4_extendhisi2,
3946         68k_extendhisi2, extendqihi2, cfv4_extendqisi2, 68k_extendqisi2,
3947         floatsi<mode>2_68881, ftrunc<mode>2_68881, ftrunc<mode>2_cf,
3948         fix<mode>qi2_68881, fix<mode>hi2_68881, fix<mode>si2_68881,
3949         adddi_dishl32, addsi3_5200, add<mode>3_floatsi_68881,
3950         add<mode>3_floathi_68881, add<mode>3_floatqi_68881,
3951         add<mode>3_68881, add<mode>3_cf, subdi_dishl32, subsi3,
3952         sub<mode>3_floatsi_68881, sub<mode>3_floathi_68881,
3953         sub<mode>3_floatqi_68881, sub<mode>3_68881, sub<mode>3_cf,
3954         mulhi3, mulhisi3, mulhisisi3_s, mulsi3_68020, mulsi3_cf,
3955         umulhisi3, mulhisisi3_z, mul<mode>3_floatsi_68881,
3956         mul<mode>3_floathi_68881, mul<mode>3_floatqi_68881, fmul<mode>3_cf,
3957         div<mode>3_cf, sqrt<mode>2_cf, abs<mode>2_cf, clzsi2,
3958         one_cmplsi2_5200, subreghi1ashrdi_const32, ashrsi3, lshrsi3,
3959         bsetmemqi, bsetmemqi_ext, bclrmemqi, bclrmemqi_ext,
3960         beq, bne, bgt, blt, bordered, bunordered, buneq, bunge, bungt, bunle,
3961         bunlt, bltgt, tablejump_internal, call, non_symbolic_call_value,
3962         symbolic_call_value_jsr, symbolic_call_value_bsr, link):
3963         Update or set attributes.
3964         (stack_tie): New fake instruction.
3965
3966         * config/m68k/m68k.h (TUNE_CFV4): New macro.
3967         (m68k_sched_attr_size): Update declaration.
3968         (m68k_sched_attr_type2): Remove.
3969         (m68k_sched_address_bypass_p, m68k_sched_indexed_address_bypass_p):
3970         Declare new bypass predicates.
3971
3972         * config/m68k/m68k.c (m68k_sched_issue_rate,
3973         m68k_sched_first_cycle_multipass_dfa_lookahead): Declare hook
3974         implementations.
3975         (TARGET_SCHED_ISSUE_RATE,
3976         TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): Override hooks.
3977         (override_options): Handle scheduling for ColdFire V4 core.
3978         (m68k_expand_prologue): Emit stack_tie.
3979         (enum attr_op_type): Split value 'OP_TYPE_REG' to 'OP_TYPE_RN' and
3980         'OP_TYPE_FPN'.  Update all uses.
3981         (sched_guess_p): Remove.
3982         (sched_address_type): Handle symbolic addresses.
3983         (sched_get_operand): New static function.
3984         (sched_operand_type): Merge into sched_attr_op_type.
3985         (sched_attr_op_type): Handle FP registers, handle quick constants,
3986         update.
3987         (m68k_sched_attr_opx_type, m68k_sched_attr_opy_type): Update.
3988         (m68k_sched_attr_size): Update.  Move logic to ...
3989         (sched_get_attr_size_int): New static function.
3990         (sched_get_opxy_mem_type): New static function.
3991         (m68k_sched_attr_op_mem): Update.
3992         (m68k_sched_attr_type2): Remove.
3993         (sched_cfv4_bypass_data): New static variable.
3994         (m68k_sched_adjust_cost): Handle ColdFire V4 bypass.
3995         (m68k_sched_issue_rate): Implement scheduler hook.
3996         (struct _sched_ib: enabled_p): New field.
3997         (m68k_sched_variable_issue): Update.  Handle V4.
3998         (SCHED_DUMP_TODO, SCHED_DUMP_DONE, SCHED_DUMP_NOTHING,
3999         sched_dump_class_func_t, sched_dump_split_class,
4000         sched_dump_dfa_guess_unit_code, sched_dump_dfa_state,
4001         sched_dump_dfa_class, m68k_sched_dump): Remove.
4002         (m68k_sched_first_cycle_multipass_dfa_lookahead): Implement scheduler
4003         hook.
4004         (m68k_sched_init_global): Remove statisctics dumping, introduce
4005         sanity check that all instructions have pipeline reservations.  Handle
4006         ColdFire V4 core.
4007         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
4008         Handle ColdFire V4 core.
4009         (sched_mem_operand_p, sched_get_reg_operand, sched_get_mem_operand):
4010         New static functions.
4011         (m68k_sched_address_bypass_p): New bypass predicate.
4012         (sched_get_indexed_address_scale): New static function.
4013         (m68k_sched_indexed_address_bypass_p): New bypass predicate.
4014
4015         * cf.md: Update comments.
4016         (define_attr type2): Remove.  Use 'type' attribute instead.
4017         Update all uses.
4018         (cf_ib): Rename to cfv123_ib.  Update all uses.
4019         (cf_oep): Rename to cfv123_oep.  Update all uses.
4020         (cf_chr): Rename to cfv123_chr.  Update all uses.
4021         (cf_mem): Rename to cfv123_mem.  Update all uses.
4022         (cf_mac): Move to more appropriate place.
4023         (cfv123_guess): New automaton and cpu_unit.
4024         (cfv123_*, cfv12_*, cfv1_*, cfv2_*, cfv3_*): Use type attribute.
4025         Update uses of 'size' attribute.  Handle before reload scheduling.
4026         (cfv123_guess): New dummy reservation for unhandled instructions.
4027         (cfv4_*): Pipeline description of ColdFire V4 core.
4028         (ignore): New reservation to handle 'ignore' type.
4029
4030 2008-05-07  Ian Lance Taylor  <iant@google.com>
4031
4032         PR middle-end/36013
4033         * gimplify.c (find_single_pointer_decl_1): Don't look through
4034         indirections.
4035         (find_single_pointer_decl): Adjust comments.
4036
4037 2008-05-07  Jakub Jelinek  <jakub@redhat.com>
4038
4039         PR middle-end/36137
4040         * fold-const.c (fold_binary): Use STRIP_SIGN_NOPS instead of
4041         STRIP_NOPS on arguments even for MIN_EXPR and MAX_EXPR.
4042
4043         PR middle-end/36106
4044         * omp-low.c (expand_omp_atomic_pipeline): Load value using the
4045         integral type rather than floating point, then VIEW_CONVERT_EXPR
4046         to the floating point type.
4047
4048 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
4049
4050         * config/i386/i386.c (ix86_expand_copysign): Force non-zero constant
4051         TFmode op0 to register.
4052
4053 2008-05-07  Alan Modra  <amodra@bigpond.net.au>
4054
4055         * c-decl.c (grokdeclarator): Comment typo.
4056
4057 2008-05-06  Aldy Hernandez  <aldyh@redhat.com>
4058
4059         * tree-flow.h: Remove prototype for computed_goto_p.
4060         * tree-cfg.c (computed_goto_p): Make static.
4061
4062 2008-05-06  H.J. Lu  <hongjiu.lu@intel.com>
4063
4064         PR target/35657
4065         * config/i386/i386.c (contains_128bit_aligned_vector_p): Renamed to ...
4066         (contains_aligned_value_p): This.  Handle _Decimal128.
4067         (ix86_function_arg_boundary): Only align _Decimal128 to its
4068         natural boundary and handle it properly.
4069
4070 2008-05-06  Martin Jambor  <mjambor@suse.cz>
4071
4072         * ipa-cp.c (ipcp_method_orig_node): Renamed to ipcp_get_orig_node.
4073         (ipcp_method_is_cloned): Renamed to ipcp_node_is_clone
4074         (ipcp_method_set_orig_node): Removed.
4075         (ipcp_cval_get_cvalue_type): Removed.
4076         (ipcp_method_get_scale): Renamed to ipcp_get_node_scale.
4077         (ipcp_method_set_scale): Renamed to ipcp_set_node_scale.
4078         (ipcp_cval_set_cvalue_type): Removed.
4079         (ipcp_cval_get_cvalue): Removed.
4080         (ipcp_cval_set_cvalue): Removed.
4081         (ipcp_type_is_const): Renamed to ipcp_lat_is_const.
4082         (ipcp_cval_equal_cvalues): Renamed to ipcp_lats_are_equal
4083         (ipcp_lats_are_equal): Changed parameters to two ipcp_lattice's
4084         (ipcp_cval_meet): Renamed to ipa_lattice_meet
4085         (ipcp_cval_changed): Changed to use ipcp_lat_is_const
4086         (ipcp_method_cval): Renamed to ipcp_get_ith_lattice
4087         (ipcp_get_ith_lattice): Changed parameters.
4088         (ipcp_cval_compute): Renamed to ipcp_lattice_from_jfunc
4089         (ipcp_lattice_from_jfunc): Changed parameters.
4090         (ipcp_redirect): Local lattice pointer instead of lattice type variable.
4091         (ipcp_method_cval_print): Added temporary variable info.
4092         (ipcp_redirect): Removed already unused local variable caller.
4093         (ipcp_redirect): New temporary variable orig_callee_info
4094         (ipcp_redirect): Removed newly unused local variable callee.
4095         (ipcp_redirect): Removed (a bit confusing) local variable type.
4096         (ipcp_insert_stage): Added local variable info.
4097         (ipcp_cval_changed): Renamed to ipcp_lattice_changed, parameters 
4098         renamed too
4099         (ipcp_formal_create): Removed.
4100         (ipcp_method_cval_set): Removed.
4101         (ipcp_propagate_stage): Renamed lattice variables.
4102         (ipcp_method_cval_set_cvalue_type): Removed.
4103         (ipcp_method_cval_print): Renamed to ipcp_print_all_lattices
4104         (ipcp_print_all_lattices): Changed printed strings to refer to 
4105         lattices rather than cvals.
4106         (ipcp_method_cval_init): Renamed to ipcp_initialize_node_lattices
4107         (ipcp_propagate_const): Changed formal parameters.
4108         (build_const_val): Changed formal parameters.
4109         (ipcp_insert_stage): Removed useless variable cvalue
4110         (build_const_val): Changed formal parameters.
4111         (ipcp_method_compute_scale): Renamed to ipcp_compute_node_scale
4112         (ipcp_after_propagate): Renamed to ipcp_change_tops_to_bottom
4113         (ipcp_callsite_param_print): Renamed to ipcp_print_all_jump_functions
4114         (ipcp_profile_mt_count_print): Renamed to ipcp_print_func_profile_counts
4115         (ipcp_print_func_profile_counts): Changed string from "method" to 
4116         "function"
4117         (ipcp_profile_cs_count_print): Renamed to ipcp_print_call_profile_counts
4118         (ipcp_profile_edge_print): Renamed to ipcp_print_edge_profiles
4119         (ipcp_profile_bb_print): Renamed to ipcp_print_bb_profiles
4120         (ipcp_structures_print): Renamed to ipcp_print_all_structures
4121         (ipcp_profile_print): Renamed to ipcp_print_profile_data
4122         (ipcp_lat_is_const): Changed parameters and made inline.
4123         (ipcp_replace_map_create): Renamed to ipcp_create_replace_map
4124         (ipcp_redirect): Renamed to ipcp_need_redirect_p
4125         (ipcp_need_redirect_p): Calls ipcp_lat_is_const instead of using 
4126         the predicate condition directly
4127         (ipcp_propagate_stage): Added local variable args. Removed local
4128         variable callee.  (Both are mere code simplifications.)
4129         (ipcp_method_dont_insert_const): Renamed to
4130         ipcp_node_not_modifiable_p.
4131         (ipcp_node_not_modifiable_p): Made inline.
4132         (ipcp_cloned_create): Renamed to ipcp_init_cloned_node
4133         (ipcp_propagate_const): Renamed to ipcp_propagate_one_const
4134         (ipcp_print_all_lattices): Removed variable cvalue
4135         (ipcp_method_scale_print): Renamed to ipcp_function_scale_print
4136         Updated comments.
4137
4138 2008-05-06  Olivier Hainque  <hainque@adacore.com>
4139
4140         * tree-sra.c (try_instantiate_multiple_fields): Early return
4141         if field has POINTER_TYPE.
4142
4143 2008-05-06  Kai Tietz  <kai.tietz@onevision.com>
4144
4145         * config/i386/i386.c (output_set_got): Fix for x86_64 output_emit_asm
4146         by using 'q' specifier for instruction.
4147         (ix86_file_end): Replaced case TARGET_64BIT_MS_ABI by TARGET_64BIT.
4148
4149 2008-05-06  Anatoly Sokolov <aesok@post.ru>
4150
4151         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
4152         Change mode of zero_extract from QImode to HImode.
4153         (sign bit tests peepholes): (Ditto.).
4154
4155 2008-05-06  Uros Bizjak  <ubizjak@gmail.com>
4156
4157         * config/i386/mmx.md: Remove double backslashes from asm templates.
4158         (*mmx_addv2sf3): Rename from mmx_addv2sf3 insn pattern.
4159         (mmx_addv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
4160         to handle nonimmediate operands.
4161         (*mmx_mulv2sf3): Rename from mmx_mulv2sf3 insn pattern.
4162         (mmx_mulv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
4163         to handle nonimmediate operands.
4164         (*mmx_<code>v2sf3_finite): New insn pattern.
4165         (*mmx_<code>v2sf3): Rename from mmx_<code>v2sf3 insn pattern.
4166         (mmx_<code>v2sf3): New expander.  Use
4167         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4168         (mmx_<plusminus_insn><mode>3): New expander.  Use
4169         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4170         (*mmx_<plusminus_insn><mode>3): New insn pattern.
4171         (mmx_add<mode>3): Removed.
4172         (mmx_ssadd<mode>3): Ditto.
4173         (mmx_usadd<mode>3): Ditto.
4174         (mmx_sub<mode>3): Ditto.
4175         (mmx_sssub<mode>3): Ditto.
4176         (mmx_ussub<mode>3): Ditto.
4177         (*mmx_mulv4hi3): Rename from mmx_mulv4hi3 insn pattern.
4178         (mmx_mulv4hi3): New expander.  Use ix86_fixup_binary_operands_no_copy
4179         to handle nonimmediate operands.
4180         (*mmx_smulv4hi3_highpart): Rename from mmx_smulv4hi3_highpart
4181         insn pattern.
4182         (mmx_smulv4hi3_highpart): New expander.  Use
4183         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4184         (*mmx_umulv4hi3_highpart): Rename from mmx_umulv4hi3_highpart
4185         insn pattern.
4186         (mmx_umulv4hi3_highpart): New expander.  Use
4187         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4188         (*mmx_<code>v4hi3): Rename from mmx_<code>v4hi3 insn pattern.
4189         (mmx_<code>v4hi3): New expander.  Use
4190         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4191         (*mmx_<code>v8qi3): Rename from mmx_<code>v8qi3 insn pattern.
4192         (mmx_<code>v8qi3): New expander.  Use
4193         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4194         (*mmx_<code><mode>3): Rename from mmx_<code><mode>3 insn pattern.
4195         (mmx_<code><mode>3): New expander.  Use
4196         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4197
4198 2008-05-05  Jan Hubicka  <jh@suse.cz>
4199
4200         PR tree-optimization/36118
4201         * passes.c (pass_init_dump_file): Fix dump header.
4202
4203 2008-05-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4204
4205         PR middle-end/36141
4206         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Don't create
4207         VCE for function decls.
4208
4209 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
4210
4211         * config/i386/sse.md (sse2_<plusminus_insn><mode>3): Fix a typo.
4212
4213 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
4214
4215         * config/i386/i386.md (sat_plusminus): New.
4216         (plusminus_insn): Likewise.
4217         (plusminus_mnemonic): Likewise.
4218         (addsub): Removed.
4219         (comm): Add ss_plus, us_plus, ss_minus and us_minus.
4220         (*<addsub><mode>3_cc_overflow): Renamed to ...
4221         (*<plusminus_insn><mode>3_cc_overflow): This.
4222         (*<addsub>si3_zext_cc_overflow): Renamed to ...
4223         (*<plusminus_insn>si3_zext_cc_overflow): This.
4224
4225         * config/i386/sse.md (<addsub><mode>3): Renamed to ...
4226         (<plusminus_insn><mode>3): This.
4227         (*<addsub><mode>3): Renamed to ...
4228         (*<plusminus_insn><mode>3): This.
4229         (<sse>_vm<addsub><mode>3): Renamed to ...
4230         (<sse>_vm<plusminus_insn><mode>3): This.
4231         (sse3_h<addsub>v4sf3): Renamed to ...
4232         (sse3_h<plusminus_insn>v4sf3): This.
4233         (sse3_h<addsub>v2df3): Renamed to ...
4234         (sse3_h<plusminus_insn>v2df3): This.
4235         (<plusminus_insn><mode>3): New.
4236         (*<plusminus_insn><mode>3): Likewise.
4237         (sse2_<plusminus_insn><mode>3): Likewise.
4238         (add<mode>): Removed.
4239         (*add<mode>3): Likewise.
4240         (sse2_ssadd<mode>3): Likewise.
4241         (sse2_usadd<mode>3): Likewise.
4242         (sub<mode>3): Likewise.
4243         (*sub<mode>3): Likewise.
4244         (sse2_sssub<mode>3): Likewise.
4245         (sse2_ussub<mode>3): Likewise.
4246
4247 2008-05-05  Benjamin Kosnik  <bkoz@redhat.com>
4248
4249         * gthr-single.h: Add in required interface elements as per gthr.h.
4250         Add stub types for __gthread_key_t, __gthread_once_t. Add defines
4251         for __GTHREAD_ONCE_INIT, __GTHREAD_RECURSIVE_MUTEX_INIT.
4252         Generalize UNUSED macro. 
4253         (__gthread_once): Add.
4254         (__gthread_key_create): Add.
4255         (__gthread_key_delete): Add.
4256         (__gthread_getspecific): Add.
4257         (__gthread_setspecific): Add.
4258         
4259 2008-05-05  Andrew Pinski  <Andrew.Pinski@playstation.sony.com>
4260
4261         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): If we have
4262         the same size types for the indirect reference on the rhs, then
4263         create a VCE.
4264
4265 2008-05-05  Uros Bizjak  <ubizjak@gmail.com>
4266
4267         * config/i386/i386.md
4268         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit): Use only
4269         one insn template instead of template series.
4270         (*xordi_1_rex64): Ditto.
4271         (*xordi_2_rex64): Ditto.
4272
4273 2008-05-05  Ira Rosen  <irar@il.ibm.com>
4274
4275         PR tree-optimization/36119
4276         * tree-vect-transform.c (vectorizable_assignment): Set NCOPIES to 1
4277         in case of SLP.
4278
4279 2008-06-04  Jan Hubicka  <jh@suse.cz>
4280
4281         tree-optimization/36100
4282         * tree-pass.h (pass_O0_always_inline): Declare.
4283         * ipa-inline.c (inline_transform): Remove dead code.
4284         (cgraph_gate_O0_always_inline, cgraph_O0_always_inline,
4285         pass_O0_always_inline): New.
4286         * passes.c (init_optimization_passes): Add pass_O0_always_inline.
4287
4288 2008-05-04  Kai Tietz  <kai.tietz@onevision.com>
4289
4290         * config/i386/i386.c (x86_output_mi_thunk): Use movq alternative
4291         mnemonic in this_param move for TARGET_64BIT.
4292
4293 2008-05-04  Uros Bizjak  <ubizjak@gmail.com>
4294
4295         * config/i386/i386.md (*strmovsi_1): Simplify asm alternatives.
4296         (*strmovsi_rex_1): Ditto.
4297         (*strsetsi_1): Ditto.
4298         (*strsetsi_rex_1): Ditto.
4299
4300         (add<mode>cc): Macroize expander from addqicc, addhicc, addsicc and
4301         adddicc expanders using SWI mode iterator.
4302
4303 2008-05-04  H.J. Lu  <hongjiu.lu@intel.com>
4304
4305         PR target/36121
4306         * config/i386/i386.c (ix86_expand_special_args_builtin): Remove three
4307         argument handling.
4308
4309 2008-05-04  David S. Miller  <davem@davemloft.net>
4310
4311         * config.gcc (sparc*-*-*): Always set need_64bit_hwint to yes.
4312         (sparc*-*-linux*): Use linux.h in tm_file.
4313         (sparc-*-linux*): If 'enabled_targets' is 'all', build a bi-arch
4314         compiler defaulting to 32-bit.
4315         (sparc*-*-*): Remove explicit target settings of need_64bit_hwint,
4316         no longer needed.
4317         * config/sparc/linux.h: Remove definitions now obtained
4318         properly from linux.h
4319         * config/sparc/linux64.h: Likewise.
4320         (ASM_CPU_DEFAULT_SPEC): Change this to ASM_CPU64_DEFAULT_SPEC, we
4321         don't want this setting for 32-bit builds in a biarch compiler.
4322         * doc/install.texi: Add sparc-linux to list of targets
4323         supporting --enable-targets=all.
4324
4325 2008-05-03  Andrew Pinski  <pinskia@gmail.com>
4326
4327         * Makefile.in (tree-ssa-phiprop.o): Fix dependencies.
4328
4329 2008-05-03  H.J. Lu  <hongjiu.lu@intel.com>
4330
4331         * config/i386/i386.c (ix86_builtin_type): Move V4SI_FTYPE_V4SF
4332         after V4SI_FTYPE_V8HI.
4333         (ix86_init_mmx_sse_builtins): Move case V4HI_FTYPE_V4HI after
4334         case V4SI_FTYPE_V2DF.
4335
4336 2008-05-03  Kenneth Zadeck  <zadeck@naturalbridge.com>
4337
4338         * doc/invoke.texi (max-flow-memory-locations): Removed.
4339         * params.def (PARAM_MAX_FLOW_MEMORY_LOCATIONS): Removed.
4340         
4341 2008-05-03  Richard Guenther  <rguenther@suse.de>
4342
4343         PR middle-end/34973
4344         * opts.c (set_Wstrict_aliasing): Handle the turn-off case.
4345
4346 2008-05-02  David S. Miller  <davem@davemloft.net>
4347
4348         * config.gcc (need_64bit_hwint): Document libcpp dependency.
4349
4350 2008-05-02  Simon Baldwin <simonb@google.com>
4351
4352         PR bootstrap/36108
4353         * c-common.h (warn_array_subscript_range): Removed.
4354         * c-common.c (warn_array_subscript_range): Ditto.
4355         * tree-vrp.c (check_array_ref): Revert to ignoring arrays with size 2.
4356         * c-typeck.c (build_array_ref): Remove warn_array_subscript_range.
4357
4358 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
4359
4360         * config/i386/i386.c (ix86_special_builtin_type): New.
4361         (bdesc_special_args): Likewise.
4362         (ix86_expand_special_args_builtin): Likewise.
4363         (ix86_init_mmx_sse_builtins): Updated.
4364         (ix86_expand_builtin): Updated.
4365         (ix86_expand_store_builtin): Removed.
4366         (ix86_expand_unop_builtin): Likewise.
4367
4368         * config/i386/mm3dnow.h (__v2sf): Moved to ...
4369         * config/i386/mmintrin.h (__v2sf): Here.
4370
4371         * config/i386/xmmintrin.h (_mm_loadh_pi): Replace __v2si with
4372         const __v2sf.
4373         (_mm_loadl_pi): Likewise.
4374         (_mm_storeh_pi): Replace __v2si with __v2sf.
4375         (_mm_storel_pi): Likewise.
4376
4377         * doc/extend.texi: Correct __builtin_ia32_loadhps,
4378         __builtin_ia32_loadlps, __builtin_ia32_storehps,
4379         __builtin_ia32_storelps, __builtin_ia32_loadhpd and
4380         __builtin_ia32_loadlpd.
4381
4382 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
4383
4384         * config/i386/i386.c (ix86_builtin_type): Add FLOAT_FTYPE_FLOAT,
4385         V4SF_FTYPE_V4SF_VEC_MERGE and V2DF_FTYPE_V2DF_VEC_MERGE.
4386         (bdesc_args): Updated.  Add scalar SSE builtins with vec_merge.
4387         (ix86_init_mmx_sse_builtins): Updated.
4388         (ix86_expand_args_builtin): Likewise.
4389         (ix86_expand_builtin): Likewise.
4390         (ix86_expand_unop1_builtin): Renamed to ...
4391         (ix86_expand_unop_vec_merge_builtin): This.
4392
4393 2008-05-01  Jan Hubicka  <jh@suse.cz>
4394
4395         PR bootstrap/36100
4396         * ipa-inline.c (inline_generate_summary): Make static.
4397         (inline_transform): Do not call inlining at -O0; make static.
4398         * passes.c (execute_todo): Add sanity check.
4399         (execute_one_ipa_transform_pass): Execute proper flags.
4400
4401 2008-05-01  Eric Botcazou  <ebotcazou@adacore.com>
4402
4403         * tree.h (TYPE_NONALIASED_COMPONENT): Expand comment.
4404         (DECL_NONADDRESSABLE_P): Likewise.
4405         * alias.c (record_component_aliases): Fix comment.
4406
4407 2008-05-01  Simon Baldwin <simonb@google.com>
4408
4409         * c-common.h (warn_array_subscript_range): New function.
4410         * c-common.c (warn_array_subscript_range): Ditto.
4411         * tree-vrp.c (check_array_ref): Corrected code to agree with
4412         comment, ignoring only arrays of size 0 or size 1.
4413         * c-typeck.c (build_array_ref): Call warn_array_subscript_range.
4414
4415 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
4416
4417         * config/i386/i386.c (ix86_builtin_type): Replace
4418         DI_FTYPE_DI_DI_INT with V1DI2DI_FTYPE_V1DI_V1DI_INT.
4419         (bdesc_args): Updated.
4420         (ix86_init_mmx_sse_builtins): Likewise.
4421         (ix86_expand_args_builtin): Likewise.
4422
4423         * config/i386/tmmintrin.h (_mm_alignr_pi8): Replace long long
4424         with __v1di.
4425
4426         * doc/extend.texi: Correct __builtin_ia32_palignr.
4427
4428 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
4429
4430         PR target/36095
4431         * config/i386/i386.c (bdesc_crc32): Removed.
4432         (ix86_expand_crc32): Likewise.
4433         (ix86_builtin_type): Replace V2DI2TI_FTYPE_V2DI2TI_INT with
4434         V2DI2TI_FTYPE_V2DI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT with
4435         V2DI2TI_FTYPE_V2DI_V2DI_INT.  Add UINT64_FTYPE_UINT64_UINT64,
4436         UINT_FTYPE_UINT_UINT, UINT_FTYPE_UINT_USHORT and
4437         UINT_FTYPE_UINT_UCHAR.
4438         (bdesc_args): Updated. Add crc32 builtins.
4439         (ix86_init_mmx_sse_builtins): Updated.
4440         (ix86_expand_args_builtin): Updated to support subreg.
4441
4442         * doc/extend.texi: Correct __builtin_ia32_crc32di.
4443
4444 2008-05-01  Jan Hubicka  <jh@suse.cz>
4445
4446         * tree-pass.h (opt_pass): Add IPA_PASS.
4447         (varpool_node, cgraph_node): Forward declare.
4448         (ipa_opt_pass): Define.
4449         (pass_ipa_inline): Turn into ipa_opt_pass.
4450         (pass_apply_inline): Remove.
4451         * ipa-inline.c (pass_ipa_inline): Turn into ipa_opt_pass.
4452         (apply_inline): Turn into ....
4453         (inline_transform): ... this one.
4454         (inline_generate_summary): New function.
4455         (pass_apply_inline): Remove.
4456         * function.h (ipa_opt_pass): Forward declare structure; typedef;
4457         vector.
4458         (struct function): Add ipa_transforms_to_apply.
4459         * passes.c (register_one_dump_file): Work on IPA_PASS.
4460         (init_optimization_passes): Remove pass_inline_parameters and
4461         pass_apply_inline.
4462         (pass_init_dump_file, pass_fini_dump_file): Break out from ....
4463         (execute_one_pass) ... here; apply transforms when possible.
4464         (add_ipa_transform_pass, execute_ipa_summary_asses,
4465         execute_one_ipa_transform_pass): New.
4466         (execute_ipa_pass_list): Update for IPA_PASS type.
4467
4468 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
4469
4470         * config/i386/i386.c (ix86_builtin_type): Add
4471         V2DI_FTYPE_V2DI_V16QI, V2DI_FTYPE_V2DI_UINT_UINT and
4472         V2DI_FTYPE_V2DI_V2DI_UINT_UINT.
4473         (bdesc_args): Add SSE4a builtins.
4474         (ix86_init_mmx_sse_builtins): Updated.
4475         (ix86_expand_args_builtin): Likewise.
4476         (ix86_expand_builtin): Likewise.
4477
4478 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
4479
4480         * config/i386/i386.c (ix86_builtin_type): Add
4481         V8HI_FTYPE_V8HI_V8HI_COUNT, V8HI_FTYPE_V8HI_SI_COUNT,
4482         V4SI_FTYPE_V4SI_V4SI_COUNT, V4SI_FTYPE_V4SI_SI_COUNT,
4483         V4HI_FTYPE_V4HI_V4HI_COUNT, V4HI_FTYPE_V4HI_SI_COUNT,
4484         V2DI_FTYPE_V2DI_V2DI_COUNT, V2DI_FTYPE_V2DI_SI_COUNT,
4485         V2SI_FTYPE_V2SI_V2SI_COUNT, V2SI_FTYPE_V2SI_SI_COUNT,
4486         V1DI_FTYPE_V1DI_V1DI_COUNT, V1DI_FTYPE_V1DI_SI_COUNT,
4487         V8HI_FTYPE_V8HI_INT, V4SI_FTYPE_V4SI_INT, V4HI_FTYPE_V4HI_INT,
4488         V2DI2TI_FTYPE_V2DI2TI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT
4489         and DI_FTYPE_DI_DI_INT.
4490         (bdesc_args): Add MMX/SSE shift, shuffle and palignr builtins.
4491         (ix86_init_mmx_sse_builtins): Updated.
4492         (ix86_expand_args_builtin): Likewise.
4493         (ix86_expand_builtin): Likewise.
4494         (ix86_expand_binop_imm_builtin): Removed.
4495
4496         * doc/extend.texi: Correct __builtin_ia32_palignr128.
4497
4498 2008-04-30  Richard Guenther  <rguenther@suse.de>
4499
4500         PR tree-optimization/32921
4501         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Disambiguate with TBAA.
4502
4503 2008-04-30  Richard Sandiford  <rsandifo@nildram.co.uk>
4504
4505         * config/arm/arm.c (arm_unwind_emit): Use
4506         crtl->all_throwers_are_sibcalls instead of
4507         cfun->all_throwers_are_sibcalls.
4508         (arm_output_fn_unwind): Likewise.
4509         * config/frv/frv.c (frv_stack_info): Use crtl->uses_pic_offset_table
4510         instead of cfun->uses_pic_offset_table.
4511         (frv_expand_prologue): Likewise.
4512         (frv_frame_pointer_required): Likewise.
4513         (frv_expand_fdpic_call): Likewise.
4514         (frv_emit_movsi): Likewise.
4515         * config/iq2000/iq2000.c (iq2000_expand_prologue): Use
4516         cfun->returns_pcc_struct instead of
4517         current_function_returns_pcc_struct.
4518         * config/m32c/m32c.c (need_to_save): Use crtl->calls_eh_return
4519         instead of cfun->calls_eh_return.
4520         (m32c_pushm_popm): Likewise.
4521         * config/xtensa/xtensa.h (cfun->calls_alloca): Remove bogus
4522         "extern" declaration.
4523
4524 2008-04-30  Richard Guenther  <rguenther@suse.de>
4525
4526         PR tree-optimization/21636
4527         * tree-ssa-ccp.c (ccp_fold): Handle &p->x with p being a
4528         constant address.
4529         (evaluate_stmt): Print the likely value.
4530         (ccp_visit_stmt): Avoid excessive vertical spacing.
4531
4532 2008-04-30  Rafael Espindola  <espindola@google.com>
4533
4534         * builtins.c (fold_call_expr): Return realret.
4535         * tree-ssa-threadedge.c
4536         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
4537         __builtin_object_size.
4538
4539 2008-04-30  Seongbae Park  <seongbae.park@gmail.com>
4540
4541         * gcc.c (wrapper_string): New variable.
4542         (insert_wrapper): New function.
4543         (execute): New option -wrapper.
4544         * doc/invoke.texi (Overall Options): New driver option -wrapper.
4545
4546 2008-04-30  Nathan Froyd  <froydnj@codesourcery.com>
4547
4548         * config/rs6000/crtresgpr.asm, config/rs6000/crtresxgpr.asm,
4549         config/rs6000/crtsavgpr.asm, config/rs6000/crtresfpr.asm,
4550         config/rs6000/crtresxfpr.asm, config/rs6000/crtsavfpr.asm: Break out
4551         from...
4552         * config/rs6000/crtsavres.asm: ...here.  Remove unneeded file.
4553         * config/rs6000/e500crtres32gpr.asm, config/rs6000/e500crtres64gpr.asm,
4554         config/rs6000/e500crtres64gprctr.asm,
4555         config/rs6000/e500crtrest32gpr.asm, config/rs6000/e500crtrest64gpr.asm,
4556         config/rs6000/e500crtresx32gpr.asm, config/rs6000/e500crtresx64gpr.asm,
4557         config/rs6000/e500crtsav32gpr.asm, config/rs6000/e500crtsav64gpr.asm,
4558         config/rs6000/e500crtsav64gprctr.asm,
4559         config/rs6000/e500crtsavg32gpr.asm, config/rs6000/e500crtsavg64gpr.asm,
4560         config/rs6000/e500crtsavg64gprctr.asm: New files.
4561         * config/rs6000/t-ppccomm: Add build rules for new files.
4562         (LIB2FUNCS_STATIC_EXTRA): Add new files.
4563         * config/rs6000/t-netbsd: Add build rules for new files.
4564         (LIB2FUNCS_STATIC_EXTRA): New variable.
4565         * config/rs6000/sysv4.h (ENDFILE_SPEC): Don't include crtsavres.o
4566         (CRTSAVRES_DEFAULT_SPEC): Likewise.
4567         * config/rs6000/netbsd.h (ENDFILE_SPEC): Likewise.
4568
4569 2008-04-30  H.J. Lu  <hongjiu.lu@intel.com>
4570
4571         * config/i386/i386.c (ix86_builtin_type): Add
4572         FLOAT128_FTYPE_FLOAT128_FLOAT128, V16QI_FTYPE_V16QI_V16QI,
4573         V16QI_FTYPE_V8HI_V8HI, V8QI_FTYPE_V8QI_V8QI,
4574         V8QI_FTYPE_V4HI_V4HI, V8HI_FTYPE_V8HI_V8HI,
4575         V8HI_FTYPE_V16QI_V16QI, V8HI_FTYPE_V4SI_V4SI,
4576         V4SI_FTYPE_V4SI_V4SI, V4SI_FTYPE_V8HI_V8HI,
4577         V4SI_FTYPE_V4SF_V4SF, V4SI_FTYPE_V2DF_V2DF,
4578         V4HI_FTYPE_V4HI_V4HI, V4HI_FTYPE_V8QI_V8QI,
4579         V4HI_FTYPE_V2SI_V2SI, V4SF_FTYPE_V4SF_V4SF,
4580         V4SF_FTYPE_V4SF_V4SF_SWAP, V4SF_FTYPE_V4SF_V2SI,
4581         V4SF_FTYPE_V4SF_V2DF, V4SF_FTYPE_V4SF_DI,
4582         V4SF_FTYPE_V4SF_SI, V2DI_FTYPE_V2DI_V2DI,
4583         V2DI_FTYPE_V16QI_V16QI, V2DI_FTYPE_V4SI_V4SI,
4584         V2DI_FTYPE_V2DF_V2DF, V2SI_FTYPE_V2SI_V2SI,
4585         V2SI_FTYPE_V4HI_V4HI, V2SI_FTYPE_V2SF_V2SF,
4586         V2DF_FTYPE_V2DF_V2DF, V2DF_FTYPE_V2DF_V2DF_SWAP,
4587         V2DF_FTYPE_V2DF_V4SF, V2DF_FTYPE_V2DF_DI,
4588         V2DF_FTYPE_V2DF_SI, V2SF_FTYPE_V2SF_V2SF,
4589         V1DI_FTYPE_V1DI_V1DI, V1DI_FTYPE_V8QI_V8QI and
4590         V1DI_FTYPE_V2SI_V2SI.
4591         (bdesc_2arg): Moved to ...
4592         (bdesc_args): Here.
4593         (ix86_init_mmx_sse_builtins): Updated.
4594         (ix86_expand_args_builtin): Updated.  Take a pointer
4595         to const struct builtin_description.  Handle comparison
4596         builtin functions.
4597         (ix86_expand_sse_compare): Take a new argument for swapping operands.
4598         (ix86_expand_builtin): Updated.
4599
4600         * config/i386/sse.md (ssse3_pmaddubswv8hi3): Renamed to ...
4601         (ssse3_pmaddubsw128): This.
4602         (ssse3_pmaddubswv4hi3): Renamed to ...
4603         (ssse3_pmaddubsw): This.
4604
4605         * doc/extend.texi (__builtin_ia32_packsswb128): Correct prototype.
4606         (__builtin_ia32_packssdw128): Likewise.
4607         (__builtin_ia32_packuswb128): Likewise.
4608         (__builtin_ia32_pmaddubsw): Likewise.
4609         (__builtin_ia32_pmaddubsw128): Likewise.
4610
4611 2008-04-30  Richard Guenther  <rguenther@suse.de>
4612
4613         PR tree-optimization/14847
4614         * tree-ssa-ifcombine.c (get_name_for_bit_test): New helper function.
4615         (recognize_bits_test): Use it.
4616         (recognize_single_bit_test): Likewise.
4617
4618 2008-04-30  Martin Jambor  <mjambor@suse.cz>
4619
4620         * ipa-cp.c (ipcp_init_stage): Calls ipa_set_called_with_variable_arg
4621         instead of setting number of formal parameters to zero.
4622         (ipcp_init_stage): Do not set the number of actual parameters to zero 
4623         either.
4624         (ipcp_propagate_stage): Explicitly skipping all calls to nodes
4625         which are called with variable number of arguments.
4626         (ipcp_insert_stage): Explicitely skipping all nodes which are
4627         called with variable number of arguments.
4628         (ipcp_callsite_param_print): Skipps callsites to nodes with varaible 
4629         number of parameters.
4630
4631         * ipa-prop.h (struct ipa_node_params): Added flag
4632         called_with_var_arguments
4633         (ipa_set_param_count): Added.  Changed sole setter to use it.
4634         (ipa_get_param_count): Added.  All readers of param_count
4635         converted to use it instead.
4636         (ipa_set_called_with_variable_arg): Added.
4637         (ipa_is_called_with_var_arguments): Added.
4638         (ipa_get_ith_param): Added.  All readers of param_decls converted
4639         to use it instead.
4640         (ipa_set_cs_argument_count): Added, sole writer to argument_count 
4641         changed to use it. 
4642         (ipa_get_cs_argument_count): Added, all readers of argument_count
4643         changed to cal it.
4644         (ipa_get_ith_jump_func): Added. Accessors of jump values changed 
4645         to use it.
4646         
4647         * ipa-prop.h (struct ipcp_formal): Renamed to ipcp_lattice
4648         (struct ipcp_lattice): Renamed cval_type to type
4649         (struct ipa_node_params): ipcp_cval renamed to ipcp_lattices
4650
4651         * ipa-cp.c (ipcp_cval_get_cvalue): Changed return value to tree
4652         (ipcp_cval_set_cvalue): Changed type of parameter value to tree
4653         (ipcp_insert_stage): Changed the type of variable cvalue to tree
4654         (ipcp_replace_map_create): Changed the type of parameter cvalue to tree
4655         (build_const_val): Changed the type of parameter cvalue to tree
4656         (ipcp_propagate_const): Changed the type of parameter cvalue to tree
4657         (ipcp_method_cval_set_cvalue_type): Renamed parameter cval_type1 to type
4658         
4659         * ipa-prop.h (struct ipcp_formal): Replaced cvalue with tree called 
4660         constant 
4661
4662         * ipa-prop.c (ipa_methodlist_init): Renamed to ipa_init_func_list
4663         (ipa_methodlist_not_empty): Removed, the sole user now checks directly
4664         (ipa_add_method): Renamed to ipa_push_func_to_list
4665         (ipa_remove_method): Renamed to ipa_pop_func_from_list
4666         (ipa_callsite_param_count): Removed.
4667         (ipa_callsite_param_count_set): Removed.
4668         (ipa_callsite_param): Removed.
4669         (ipa_callsite_callee): Removed.
4670         (ipa_callsite_compute_param): Renamed to ipa_compute_jump_functions
4671         (ipa_callsite_compute_count): Renamed to ipa_count_arguments
4672         (ipa_method_formal_count): Removed.
4673         (ipa_method_formal_count_set): Removed.
4674         (ipa_method_get_tree): Removed.
4675         (ipa_method_tree_map_create): Removed.
4676         (ipa_method_compute_tree_map): Renamed to ipa_create_param_decls_array
4677         (ipa_create_param_decls_array): Creates the array itself
4678         (ipa_create_param_decls_array): Temporary variable info instead of 
4679         a few dereferences.
4680         (ipa_method_formal_compute_count): Renamed to ipa_count_formal_params
4681         (ipa_method_compute_modify): Renamed to ipa_detect_param_modifications
4682         (get_type): Removed.
4683         (ipa_jf_get_info_type): Removed.
4684         (ipa_node_create): Renamed to ipa_create_node_params
4685         (ipa_free): Renamed to ipa_free_all_node_params
4686         (ipa_nodes_create): Renamed to ipa_create_all_node_params
4687         (ipa_edges_create): Renamed to ipa_create_all_edge_args
4688         (ipa_edges_free): Renamed to ipa_free_all_edge_args
4689         (ipa_nodes_free): Integrated into ipa_free_all_node_params and removed
4690         (ipa_free_all_node_params): Deallocation to jump_functions moved to 
4691         ipa_free_all_edge_args
4692         (ipa_method_tree_print): Renamed to ipa_print_all_tree_maps
4693         (ipa_method_modify_print): Renamed to ipa_print_all_params_modified
4694         (ipa_create_methodlist_node): Removed.
4695         (ipa_methodlist_method): Removed.
4696         (ipa_methodlist_method_set): Removed.
4697         (ipa_methodlist_next_method): Removed.
4698         (ipa_methodlist_next_method_set): Removed.
4699         (ipa_method_is_modified): Removed.
4700         (ipa_method_modify_create): Removed.
4701         (ipa_method_modify_init): Temporary variable info instead of a few 
4702         dereferences.
4703         (ipa_detect_param_modifications): Temporary variable info instead of 
4704         a few dereferences.
4705         (ipa_compute_jump_functions): Temporary variable info instead of 
4706         a few dereferences.
4707         (ipa_method_modify_set): Removed.
4708         (ipa_method_tree_map): Renamed to ipa_get_param_decl_index
4709         (ipa_get_param_decl_index): Now accepts struct ipa_node_params rather 
4710         than craph_node as the first parameter.
4711         (ipa_method_modify_stmt): Renamed to ipa_check_stmt_modifications
4712         (ipa_method_modify_init): Removed.
4713         (ipa_compute_jump_functions): Added a temp variable instead of 
4714         repeatadly dereferencing the cgraph_edge.aux pointer
4715         (ipa_callsite_param_set_type): Removed.
4716         (ipa_compute_jump_functions): i renamed to index and moved to 
4717         an inner block
4718         (ipa_callsite_param_set_info_type_formal): Removed.
4719         (ipa_callsite_param_set_info_type): Removed.
4720         (ipa_callsite_param_map_create): Removed.
4721         (ipa_callsite_tree): Removed.
4722         (ipa_callsite_caller): Removed.
4723         (ipa_pop_func_from_list): return_method removed to return_func
4724
4725         * ipa-prop.h (enum cvalue_type): Renamed to ipa_lattice_type,
4726         prefixed all values with IPA_. Changed all users.
4727         (enum jump_func_type): Rnamed UNKNOWN_IPATYPE to IPA_UNKNOWN, 
4728         CONST_IPATYPE to IPA_CONST, CONST_IPATYPE_REF to IPA_CONST_REF 
4729         and FORMAL_IPATYPE IPA_PASS_THROUGH. 
4730         (union parameter_info): Renamed to jump_func_value.
4731         (union jump_func_value): Renamed value to constant
4732         (struct ipa_jump_func): Renamed info_type to value
4733         (struct ipa_node): Renamed to ipa_node_params
4734         (struct ipa_node_params): Renamed ipa_arg_num to param_count
4735         (struct ipa_node_params): Renamed ipa_param_tree to param_decls
4736         (struct ipa_node_params): Renamed ipa_mod to modified_flags
4737         (struct ipa_edge): Renamed to ipa_edge_args
4738         (struct ipa_edge_args): Renamed ipa_param_num to argument_count
4739         (struct ipa_edge_args): Renamed ipa_param_map to jump_functions
4740         (struct ipa_methodlist): Renamed to ipa_func_list
4741         (struct ipa_func_list): method_p renamed to node, next_method
4742         renamed to next
4743         (ipa_methodlist_p): Removed, switched all users to struct pointer
4744         (IS_VALID_TREE_MAP_INDEX): Renamed to IS_VALID_JUMP_FUNC_INDEX
4745
4746 2008-04-30  Alan Modra  <amodra@bigpond.net.au>
4747
4748         * config/rs6000/rs6000.c (ALWAYS_RESTORE_ALTIVEC_BEFORE_POP): Define.
4749         (rs6000_emit_epilogue): Use backchain to restore only when we
4750         have a large frame.  Make use of frame pointer to restore if we
4751         have one.  Handle ALWAYS_RESTORE_ALTIVEC_BEFORE_POP.
4752
4753 2008-04-29  Paolo Bonzini  <bonzini@gnu.org>
4754
4755         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
4756         Add mode to zero_extract.
4757         (sign bit tests peepholes): (Ditto.).
4758
4759 2008-04-29  H.J. Lu  <hongjiu.lu@intel.com>
4760
4761         * config/i386/i386.c (ix86_builtins): Replace Prescott New
4762         Instructions in comments with SSE3.
4763         (ix86_builtin_type): This.  Add FLOAT128_FTYPE_FLOAT128,
4764         INT64_FTYPE_V4SF, INT64_FTYPE_V2DF, INT_FTYPE_V16QI,
4765         INT_FTYPE_V8QI, INT_FTYPE_V4SF, INT_FTYPE_V2DF,
4766         V16QI_FTYPE_V16QI, V8HI_FTYPE_V8HI, V8HI_FTYPE_V16QI,
4767         V8QI_FTYPE_V8QI, V4SI_FTYPE_V4SI, V4SI_FTYPE_V16QI,
4768         V4SI_FTYPE_V4SF, V4SI_FTYPE_V8HI, V4SI_FTYPE_V2DF,
4769         V4HI_FTYPE_V4HI, V4SF_FTYPE_V4SF, V4SF_FTYPE_V4SI,
4770         V4SF_FTYPE_V2DF, V2DI_FTYPE_V2DI, V2DI_FTYPE_V16QI,
4771         V2DI_FTYPE_V8HI, V2DI_FTYPE_V4SI, V2DF_FTYPE_V2DF,
4772         V2DF_FTYPE_V4SI, V2DF_FTYPE_V4SF, V2DF_FTYPE_V2SI,
4773         V2SI_FTYPE_V2SI, V2SI_FTYPE_V4SF, V2SI_FTYPE_V2SF,
4774         V2SI_FTYPE_V2DF, V2SF_FTYPE_V2SF and V2SF_FTYPE_V2SI.
4775         (bdesc_sse_args): Renamed to ...
4776         (bdesc_args): This.  Add IX86_BUILTIN_PF2ID, IX86_BUILTIN_PFRCP,
4777         IX86_BUILTIN_PFRSQRT, IX86_BUILTIN_PI2FD, IX86_BUILTIN_PF2IW,
4778         IX86_BUILTIN_PSWAPDSI, IX86_BUILTIN_PSWAPDSF and
4779         IX86_BUILTIN_FABSQ.
4780         (bdesc_1arg): Moved to ...
4781         (bdesc_args): Here.
4782         (ix86_init_mmx_sse_builtins): Updated.  Replace Prescott New
4783         Instructions in comments with SSE3.
4784         (ix86_expand_sse_operands_builtin): Renamed to ...
4785         (ix86_expand_args_builtin): This.  Updated.
4786         (ix86_expand_unop1_builtin): Update comments.
4787         (ix86_expand_builtin): Updated.
4788
4789 2008-04-29  Richard Guenther  <rguenther@suse.de>
4790
4791         PR tree-optimization/36078
4792         * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely):
4793         Update virtual SSA form after cleaning up the CFG.
4794
4795 2008-04-29  Richard Guenther  <rguenther@suse.de>
4796
4797         PR middle-end/15255
4798         * fold-const.c (fold_binary): Fold (A + A) * C to A * 2*C.
4799
4800 2008-04-29  Richard Guenther  <rguenther@suse.de>
4801
4802         * tree-ssa-alias.c (finalize_ref_all_pointers): Remove.
4803         (compute_may_aliases): Do not call finalize_ref_all_pointers.
4804         (compute_flow_insensitive_aliasing): Do not treat
4805         PTR_IS_REF_ALL pointers special.
4806         (get_smt_for): Likewise.
4807         (may_alias_p): Re-structure.
4808         (is_escape_site): A ref-all pointer conversion is not an escape site.
4809         * tree-ssa-structalias.c (find_what_p_points_to): Do not treat
4810         PTR_IS_REF_ALL pointers special.
4811         * tree-ssa-structalias.h (struct alias_info): Remove
4812         ref_all_symbol_mem_tag field.
4813         (PTR_IS_REF_ALL): Remove.
4814
4815 2008-04-29  Richard Guenther  <rguenther@suse.de>
4816
4817         PR middle-end/36077
4818         * fold-const.c (extract_muldiv_1): In combining division constants
4819         make sure to never overflow.
4820
4821 2008-04-29  Nick Clifton  <nickc@redhat.com>
4822
4823         * doc/tm.texi (RETURN_ADDR_RTX): Fix typo.
4824
4825 2008-04-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4826
4827         PR bootstrap/35169
4828         * optc-gen.awk: Work around HP-UX/IA awk bug.
4829
4830 2008-04-28  Danny Smith  <dannysmith@users.sourceforge.net>
4831
4832         * config/i386/cygming-crtend.c (register_frame_ctor): Revert my
4833         2008-04-25 commit.
4834
4835 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
4836
4837         PR target/36073
4838         * config/i386/i386.md
4839         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit):
4840         Change operand 1 predicate to nonimmediate_operand.
4841
4842 2008-04-28  Jakub Jelinek  <jakub@redhat.com>
4843
4844         PR debug/36060
4845         * dwarf2out.c (struct die_struct): Mark as chain_circular through
4846         die_sub field.
4847         * gengtype.c (walk_type, write_func_for_structure): Handle
4848         chain_circular.
4849         * doc/gty.texi: Document chain_circular.
4850
4851 2008-04-28  Richard Guenther  <rguenther@suse.de>
4852
4853         PR tree-optimization/36066
4854         * tree-vrp.c (execute_vrp): Cleanup the CFG only after finalizing
4855         SCEV and loop.
4856
4857 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
4858
4859         PR target/36064
4860         * config/i386/i386.md
4861         (floatdi<X87MODEF:mode>2_i387_with_xmm splitters):
4862         Use match_scratch instead of match_operand for operands 3 and 4.
4863
4864 2008-04-27  Richard Guenther  <rguenther@suse.de>
4865
4866         PR tree-optimization/18754
4867         PR tree-optimization/34223
4868         * tree-pass.h (pass_complete_unrolli): Declare.
4869         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Print
4870         loop size before and after unconditionally of UL_NO_GROWTH in effect.
4871         Rewrite loop into loop closed SSA form if it is not already.
4872         (tree_unroll_loops_completely): Re-structure to iterate over
4873         innermost loops with intermediate CFG cleanups.
4874         Unroll outermost loops only if requested or the code does not grow
4875         doing so.
4876         * tree-ssa-loop.c (gate_tree_vectorize): Don't shortcut if no
4877         loops are available.
4878         (tree_vectorize): Instead do so here.
4879         (tree_complete_unroll): Also unroll outermost loops.
4880         (tree_complete_unroll_inner): New function.
4881         (gate_tree_complete_unroll_inner): Likewise.
4882         (pass_complete_unrolli): New pass.
4883         * tree-ssa-loop-manip.c (find_uses_to_rename_use): Only record
4884         uses outside of the loop.
4885         (tree_duplicate_loop_to_header_edge): Only verify loop-closed SSA
4886         form if it is available.  
4887         * tree-flow.h (tree_unroll_loops_completely): Add extra parameter.
4888         * passes.c (init_optimization_passes): Schedule complete inner
4889         loop unrolling pass before the first CCP pass after final inlining.
4890
4891 2008-04-27  Nathan Sidwell  <nathan@codesourcery.com>
4892
4893         * targhooks.h (default_emutls_var_fields,
4894         default_emutls_var_init): Declare.
4895         * tree.h (DECL_THREAD_LOCAL): Compare against TLS_MODEL_REAL.
4896         * target.h (struct gcc_target): Add struct emutls member.
4897         * target-def.h (TARGET_EMUTLS_GET_ADDRESS,
4898         TARGET_EMUTLS_REGISTER_COMMON, TARGET_EMUTLS_VAR_SECTION,
4899         TARGET_EMUTLS_TMPL_SECTION, TARGET_EMUTLS_VAR_PREFIX,
4900         TARGET_EMUTLS_TMPL_PREFIX, TARGET_EMUTLS_VAR_FIELDS,
4901         TARGET_EMUTLS_VAR_INIT, TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS,
4902         TARGET_EMUTLS_VAR_ALIGN_FIXED, TARGET_EMUTLS): New.
4903         (TARGET_INITIALIZER): Add TARGET_EMUTLS.
4904         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS,
4905         BUILT_IN_EMUTLS_REGISTER_COMMON): Get name from targetm structure.
4906         * dwarf2out.c (loc_descriptor_from_tree_1): Check if emutls can
4907         emit debug information.
4908         * coretypes.h (tls_model): Add TLS_MODEL_EMULATED, TLS_MODEL_REAL.
4909         * varasm.c: Include targhooks.h.
4910         (emutls_object_section, emutls_tmpl_section): New.
4911         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): Remove.
4912         (EMUTLS_SEPARATOR): New.
4913         (prefix_name): New.
4914         (get_emutls_object_name): New.
4915         (default_emutls_var_fields): New, broken out of ...
4916         (get_emutls_object_type): ... here.  Adjust to use target hooks.
4917         (get_emutls_init_templ_addr): Adjust to use target hooks.
4918         (emutls_decl): Adjust to use target hooks.
4919         (emutls_finish): Likewise.
4920         (default_emutls_var_init): New, broken out of ...
4921         (assemble_variable): ... here.  Adjust to use target hooks.
4922         * output.h (enum section_category): Add SECCAT_EMUTLS_VAR,
4923         SECCAT_EMUTLS_TMPL.
4924         * c-common.c (handle_section_attribute): Prevent overriding
4925         sections for emulated tls with special sections.
4926         * config/i386/i386.c (x86_64_elf_select_section): Add
4927         SECCAT_EMUTLS_VAR and SECCAT_EMUTLS_TMPL.
4928         (x86_64_elf_unique_section): Likewise.
4929         * config/vxworks.c: Include tree.h.
4930         (vxworks_emutls_var_fields, vxworks_emutls_var_init): New.
4931         (vxworks_override_options): Set TLS scheme.
4932         * doc/tm.texi (Emulated TLS): New node.
4933
4934 2008-04-26  Simon Baldwin <simonb@google.com>
4935
4936         PR c/35652
4937         * builtins.c (c_strlen): Suppressed multiple warnings that can occur
4938         with propagated string constants.
4939
4940 2008-04-26  Uros Bizjak  <ubizjak@gmail.com>
4941
4942         * config/i386/i386.md (fix_trunc<mode>_i387_fisttp_with_temp): Use 'X'
4943         constraint for operand 2 when operand 0 is memory operand.
4944         (fix_truncdi_i387_with_temp): : Use 'X' constraint for operand 4 when
4945         operand 0 is memory operand.
4946         (fix_trunc<mode>_i387_with_temp): Ditto.
4947         (*floatsi<mode>2_vector_mixed_with_temp): Use 'X' constraint for
4948         operand 2 when operand 1 is memory operand.
4949         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_with_temp): Ditto.
4950         (*floatsi<mode>2_vector_sse_with_temp): Ditto.
4951         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_with_temp): Ditto.
4952         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
4953         (floatdi<X87MODEF:mode>2_i387_with_xmm): Use 'X' constraint for
4954         operands 2,3 and 4 when operand 1 is memory operand.
4955         (fistdi2_with_temp): Use 'X' constraint for operand 2 when operand 0
4956         is memory operand.
4957         (fistdi2_floor_with_temp): Ditto.
4958         (fist<mode>2_floor_with_temp): Ditto.
4959         (fistdi2_ceil_with_temp): Ditto.
4960         (fist<mode>2_ceil_with_temp): Ditto.
4961         (*truncdfsf_fast_mixed): Merge alternatives 0 and 1.
4962
4963 2008-04-26  David Daney  <ddaney@avtrex.com>
4964
4965         * config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP_12): New
4966         unspec_volitile.
4967         (UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE,
4968         UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
4969         UNSPEC_UPDATE_GOT_VERSION): Renumber.
4970         (sync_compare_and_swap<mode>): New expand for QI and HI modes.
4971         (compare_and_swap_12): New insn.
4972         * config/mips/mips-protos.h (mips_expand_compare_and_swap_12): Declare.
4973         * config/mips/mips.c (mips_force_binary): New function.
4974         (mips_emit_int_order_test, mips_expand_synci_loop): Use it.
4975         (mips_expand_compare_and_swap_12): New function.
4976         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): New macro.
4977
4978 2008-04-25  Jan Hubicka  <jh@suse.cz>
4979
4980         PR testsuite/35843
4981         * cfgexpand.c (pass_expand): Turn into RTL pass.
4982         * passes.c (execute_one_pass): Do pass typechecking after execution.
4983         * tree-pass.h (pass_expand): Turn into RTL pass.
4984
4985         * function.h (struct rtl_data): Move here fields
4986         accesses_prior_frames, calls_eh_return, saves_all_registers,
4987         has_nonlocal_goto, has_asm_statement, is_thunk,
4988         all_throwers_are_sibcalls, limit_stack, profile, uses_const_pool,
4989         uses_pic_offset_table, uses_eh_lsda, tail_call_emit,
4990         arg_pointer_save_area_init from struct function; turn into bool.
4991         (struct function): Move
4992         calls_eh_return, saves_all_registers, has_nonlocal_goto,
4993         has_asm_statement, is_thunk, all_throwers_are_sibcalls, limit_stack,
4994         profile, uses_const_pool, uses_pic_offset_table, uses_eh_lsda,
4995         tail_call_emit, arg_pointer_save_area_init
4996         into struct rtl_data.  Remove recursive_call_emit and gimplified flags.
4997         (current_function_returns_struct, current_function_returns_pcc_struct,
4998         current_function_calls_setjmp, current_function_calls_alloca,
4999         current_function_accesses_prior_frames,
5000         current_function_calls_eh_return, current_function_is_thunk,
5001         current_function_stdarg, current_function_profile,
5002         current_function_limit_stack, current_function_uses_pic_offset_table,
5003         current_function_uses_const_pool, current_function_has_nonlocal_label,
5004         current_function_saves_all_registers,
5005         current_function_has_nonlocal_goto,
5006         current_function_has_asm_statement): Remove accesor macros.
5007         * ra-conflict.c (global_conflicts): Update.
5008         * tree-tailcall.c (suitable_for_tail_opt_p): Update.
5009         (suitable_for_tail_call_opt_p): Update.
5010         * builtins.c (expand_builtin_return_addr): Update.
5011         (expand_builtin_setjmp_setup): Update.
5012         (expand_builtin_nonlocal_goto): Update.
5013         * final.c (final_start_function): Update.
5014         (profile_function): Update.
5015         (leaf_function_p): Update.
5016         (only_leaf_regs_used): Update.
5017         * df-scan.c (df_get_exit_block_use_set): Update.
5018         * dojump.c (clear_pending_stack_adjust): Update.
5019         * tree-stdarg.c (gate_optimize_stdarg): Update.
5020         * gimple-low.c (lower_function_body): Update.
5021         * global.c (compute_regsets): Update.
5022         (global_alloc): Update.
5023         * dwarf2out.c (dwarf2out_begin_prologue): Update.
5024         * expr.c (expand_assignment): Update.
5025         * dse.c (dse_step0): Update.
5026         (dse_step1): Update.
5027         * c-decl.c (store_parm_decls): Update.
5028         * local-alloc.c (combine_regs): Update.
5029         (find_free_reg): Update.
5030         * function.c (assign_parms_augmented_arg_list): Update.
5031         (assign_parm_find_data_types): Update.
5032         (assign_parms): Update.
5033         (allocate_struct_function): Update.
5034         (expand_function_start): Update.
5035         (expand_function_end): Update.
5036         (get_arg_pointer_save_area): Update.
5037         (thread_prologue_and_epilogue_insns): Update.
5038         (rest_of_match_asm_constraints): Update.
5039         * stor-layout.c (variable_size): Update.
5040         * gcse.c (gcse_main): Update.
5041         (bypass_jumps): Update.
5042         * gimplify.c (gimplify_function_tree): Update.
5043         * calls.c (emit_call_1): Update.
5044         (expand_call): Update.
5045         * bt-load.c (compute_defs_uses_and_gen): Update.
5046         * except.c (sjlj_assign_call_site_values): Update.
5047         (sjlj_emit_function_enter): Update.
5048         (can_throw_external): Update.
5049         (set_nothrow_function_flags): Update.
5050         (expand_builtin_unwind_init): Update.
5051         (expand_eh_return): Update.
5052         (convert_to_eh_region_ranges): Update.
5053         (output_function_exception_table): Update.
5054         * emit-rtl.c (gen_tmp_stack_mem): Update.
5055         * cfgexpand.c (expand_used_vars): Update.
5056         (tree_expand_cfg): Update.
5057         * cfgcleanup.c (rest_of_handle_jump): Update.
5058         * explow.c (allocate_dynamic_stack_space): Update.
5059         * varasm.c (assemble_start_function): Update.
5060         (force_const_mem): Update.
5061         (mark_constant_pool): Update.
5062         * tree-optimize.c (tree_rest_of_compilation): Update.
5063         * stack-ptr-mod.c (notice_stack_pointer_modification): Update.
5064         * tree-cfg.c (notice_special_calls): Update.
5065         (is_ctrl_altering_stmt): Update.
5066         (tree_can_make_abnormal_goto): Update.
5067         (tree_purge_dead_abnormal_call_edges): Update.
5068         * config/alpha/predicates.md: Update.
5069         * config/alpha/alpha.c (alpha_sa_mask): Update.
5070         (alpha_sa_size): Update.
5071         (alpha_does_function_need_gp): Update.
5072         (alpha_expand_prologue): Update.
5073         (alpha_start_function): Update.
5074         (alpha_output_function_end_prologue): Update.
5075         (alpha_expand_epilogue): Update.
5076         * config/frv/frv.c (frv_stack_info): Update.
5077         (frv_expand_epilogue): Update.
5078         * config/s390/s390.c (s390_regs_ever_clobbered): Update.
5079         (s390_register_info): Update.
5080         (s390_frame_info): Update.
5081         (s390_init_frame_layout): Update.
5082         (s390_can_eliminate): Update.
5083         (save_gprs): Update.
5084         * config/spu/spu.c (spu_split_immediate): Update.
5085         (need_to_save_reg): Update.
5086         (spu_expand_prologue): Update.
5087         (spu_expand_epilogue): Update.
5088         * config/sparc/sparc.md: Update.
5089         * config/sparc/sparc.c (eligible_for_return_delay): Update.
5090         (sparc_tls_got): Update.
5091         (legitimize_pic_address): Update.
5092         (sparc_emit_call_insn): Update.
5093         (sparc_expand_prologue): Update.
5094         (output_return): Update.
5095         (print_operand): Update.
5096         (sparc_function_ok_for_sibcall): Update.
5097         * config/sparc/sparc.h (EXIT_IGNORE_STACK): Update.
5098         * config/m32r/m32r.md: Update.
5099         * config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Update.
5100         (m32r_compute_frame_size): Update.
5101         (m32r_expand_prologue): Update.
5102         (m32r_expand_epilogue): Update.
5103         (m32r_legitimize_pic_address): Update.
5104         * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Update.
5105         * config/i386/linux.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
5106         * config/i386/i386.c (ix86_frame_pointer_required): Update.
5107         (gen_push): Update.
5108         (ix86_save_reg): Update.
5109         (ix86_compute_frame_layout): Update.
5110         (ix86_expand_prologue): Update.
5111         (ix86_expand_epilogue): Update.
5112         * config/sh/sh.c (output_stack_adjust): Update.
5113         (calc_live_regs): Update.
5114         (sh5_schedule_saves): Update.
5115         (sh_expand_prologue): Update.
5116         (sh_expand_epilogue): Update.
5117         (sh_setup_incoming_varargs): Update.
5118         (sh_allocate_initial_value): Update.
5119         (sh_get_pr_initial_val): Update.
5120         * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Update.
5121         * config/sh/sh.md (label:): Update.
5122         * config/avr/avr.c (out_movhi_mr_r): Update.
5123         * config/crx/crx.h (enum): Update.
5124         * config/xtensa/xtensa.h (along): Update.
5125         * config/stormy16/stormy16.c Update.
5126         (xstormy16_compute_stack_layout): Update.
5127         * config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Update.
5128         (fr30_expand_prologue): Update.
5129         * config/cris/cris.c (cris_conditional_register_usage): Update.
5130         (cris_reg_saved_in_regsave_area): Update.
5131         (cris_initial_frame_pointer_offset): Update.
5132         (cris_simple_epilogue): Update.
5133         (cris_expand_prologue): Update.
5134         (cris_expand_epilogue): Update.
5135         (cris_expand_pic_call_address): Update.
5136         (cris_asm_output_symbol_ref): Update.
5137         (cris_asm_output_label_ref): Update.
5138         * config/cris/cris.md Update.
5139         * config/iq2000/iq2000.c (compute_frame_size): Update.
5140         (iq2000_expand_epilogue): Update.
5141         * config/mt/mt.h (save_direction): Update.
5142         * config/mn10300/mn10300.c (mn10300_function_value): Update.
5143         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
5144         (ia64_secondary_reload_class): Update.
5145         * config/m68k/m68k.c (m68k_save_reg): Update.
5146         (m68k_expand_prologue): Update.
5147         (m68k_expand_epilogue): Update.
5148         (legitimize_pic_address): Update.
5149         * config/rs6000/rs6000.c (rs6000_got_register): Update.
5150         (first_reg_to_save): Update.
5151         (first_altivec_reg_to_save): Update.
5152         (compute_vrsave_mask): Update.
5153         (compute_save_world_info): Update.
5154         (rs6000_stack_info): Update.
5155         (spe_func_has_64bit_regs_p): Update.
5156         (rs6000_ra_ever_killed): Update.
5157         (rs6000_emit_eh_reg_restore): Update.
5158         (rs6000_emit_allocate_stack): Update.
5159         (rs6000_emit_prologue): Update.
5160         (rs6000_emit_epilogue): Update.
5161         (rs6000_output_function_epilogue): Update.
5162         (output_profile_hook): Update.
5163         (rs6000_elf_declare_function_name): Update.
5164         * config/rs6000/rs6000.h (rs6000_args): Update.
5165         * config/rs6000/rs6000.md: Update.
5166         * config/mcore/mcore.c (mcore_expand_prolog): Update.
5167         * config/arc/arc.c (arc_output_function_epilogue): Update.
5168         * config/arc/arc.h (FRAME_POINTER_REQUIRED): Update.
5169         * config/darwin.c (machopic_function_base_name): Update.
5170         * config/score/score3.c (score3_compute_frame_size): Update.
5171         (rpush): Update.
5172         (rpop): Update.
5173         (score3_epilogue): Update.
5174         * config/score/score7.c (score7_compute_frame_size): Update.
5175         (score7_prologue): Update.
5176         (score7_epilogue): Update.
5177         * config/score/score.h (FRAME_POINTER_REQUIRED): Update.
5178         * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
5179         * config/arm/arm.c (use_return_insn): Update.
5180         (require_pic_register): Update.
5181         (arm_load_pic_register): Update.
5182         (arm_compute_save_reg0_reg12_mask): Update.
5183         (arm_compute_save_reg_mask): Update.
5184         (thumb1_compute_save_reg_mask): Update.
5185         (output_return_instruction): Update.
5186         (arm_output_function_prologue): Update.
5187         (arm_output_epilogue): Update.
5188         (arm_get_frame_offsets): Update.
5189         (arm_expand_prologue): Update.
5190         (thumb_pushpop): Update.
5191         (thumb_exit): Update.
5192         (thumb1_expand_prologue): Update.
5193         (thumb1_expand_epilogue): Update.
5194         (arm_unwind_emit): Update.
5195         (arm_output_fn_unwind): Update.
5196         * config/arm/arm.h (FRAME_POINTER_REQUIRED): Update.
5197         * config/arm/arm.md: Update.
5198         * config/pa/pa.md: Update.
5199         * config/pa/pa.c (legitimize_pic_address): Update.
5200         (compute_frame_size): Update.
5201         (hppa_expand_prologue): Update.
5202         (hppa_expand_epilogue): Update.
5203         (borx_reg_operand): Update.
5204         * config/pa/pa.h (FRAME_POINTER_REQUIRED): Update.
5205         (HARD_REGNO_RENAME_OK): Update.
5206         * config/mips/mips.c (mips_global_pointer): Update.
5207         (mips_save_reg_p): Update.
5208         (mips_compute_frame_info): Update.
5209         (mips_frame_pointer_required): Update.
5210         (mips_expand_prologue): Update.
5211         (mips_expand_epilogue): Update.
5212         (mips_can_use_return_insn): Update.
5213         (mips_reorg_process_insns): Update.
5214         * config/v850/v850.c (compute_register_save_size): Update.
5215         * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Update.
5216         * config/mmix/mmix.c (along): Update.
5217         (mmix_expand_epilogue): Update.
5218         * config/bfin/bfin.c (legitimize_pic_address): Update.
5219         (must_save_p): Update.
5220         (stack_frame_needed_p): Update.
5221         (add_to_reg): Update.
5222         (bfin_expand_prologue): Update.
5223         * stmt.c (expand_asm_operands): Update.
5224         * reload1.c (reload): Update.
5225         (init_elim_table): Update.
5226
5227 2008-04-25  Bob Wilson  <bob.wilson@acm.org>
5228         
5229         * optabs.c (expand_float): Fix REG_EQUAL for UNSIGNED_FLOAT libcall.
5230         
5231 2008-04-25  H.J. Lu  <hongjiu.lu@intel.com>
5232
5233         * config/i386/sse.md (mov<mode>): Replace SSEMODEI with SSEMODE.
5234         (*mov<mode>_internal): Likewise.  Support V4SF and V2DF.
5235         (mov<mode>): Removed.
5236         (*movv4sf_internal): Likewise.
5237         (*movv2df_internal): Likewise.
5238
5239 2008-04-25  Pompapathi V Gadad <Pompapathi.V.Gadad@nsc.com>
5240
5241         * config.gcc (crx-*-elf): Remove deprecation.
5242
5243 2008-04-25  Danny Smith  <dannysmith@users.sourceforge.net>
5244
5245         * config/i386/cygming-crtend.c (register_frame_ctor): Register
5246         __gcc_deregister_frame with atexit.
5247         (deregister_frame_dtor): Remove.
5248
5249 2008-04-24  Nathan Froyd  <froydnj@codesourcery.com>
5250             Nathan Sidwell  <nathan@codesourcery.com>
5251
5252         * config/rs6000/rs6000.opt (mspe): Remove Var property.
5253         (misel): Likewise.
5254         * config/rs6000/rs6000.h (rs6000_spe): Declare.
5255         (rs6000_isel): Likewise.
5256         * config/rs6000/rs6000.c (rs6000_spe): New variable.
5257         (rs6000_isel): New variable.
5258         (rs6000_handle_option): Handle OPT_mspe and OPT_misel.
5259
5260 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
5261
5262         PR c++/35758
5263         * c-common.c (handle_vector_size_attribute): Call
5264         lang_hooks.types.reconstruct_complex_type instead of
5265         reconstruct_complex_type.
5266         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Likewise.
5267         * config/spu/spu.c (spu_handle_vector_attribute): Likewise.
5268         * langhooks.h (struct lang_hooks_for_types): Add
5269         reconstruct_complex_type hook.
5270         * langhooks-def.h (LANG_HOOKS_RECONSTRUCT_COMPLEX_TYPE): Define.
5271         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add it.
5272
5273 2008-04-24  Richard Guenther  <rguenther@suse.de>
5274
5275         * c-common.h (check_builtin_function_arguments): Declare.
5276         * c-common.c (validate_nargs): New function.
5277         (check_builtin_function_arguments): Likewise.
5278         * c-typeck.c (build_function_call): Call
5279         check_builtin_function_arguments.
5280         * builtins.c (fold_builtin_classify): Remove error reporting code.
5281         (fold_builtin_unordered_cmp): Likewise.
5282         (fold_builtin_1): Likewise.
5283         (fold_builtin_n): Likewise.
5284
5285 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
5286
5287         PR tree-optimization/36008
5288         * fold-const.c (try_move_mult_to_index): If s == NULL, divide
5289         the original op1, rather than delta by step.
5290
5291 2008-04-22  Antoniu Pop  <antoniu.pop@gmail.com>
5292             Sebastian Pop  <sebastian.pop@amd.com>
5293
5294         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
5295         eliminate_local_variables_stmt, eliminate_local_variables,
5296         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
5297         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
5298         of code delimited by two edges in the CFG.
5299         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
5300         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
5301         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate 
5302         the case of parallelisation of reductions.
5303         (expr_invariant_in_region_p): New.
5304
5305         * tree-flow.h (gather_blocks_in_sese_region): Declared.
5306         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
5307
5308 2008-04-24  Ira Rosen  <irar@il.ibm.com>
5309             Richard Guenther  <rguenther@suse.de>
5310
5311         PR tree-optimization/36034
5312         * tree-vect-analyze.c (vect_analyze_group_access): SLP is
5313         incapable of dealing with loads with gaps.
5314
5315 2008-04-24  Rafael Espindola  <espindola@google.com>
5316
5317         * tree-flow.h (vrp_evaluate_conditional): Change signature.
5318         * tree-ssa-propagate.c (fold_predicate_in): Update call to
5319         vrp_evaluate_conditional.
5320         * tree-vrp.c (vrp_evaluate_conditional_warnv): Remove.
5321         (vrp_evaluate_conditional): Split the cond argument.
5322         (vrp_visit_cond_stmt): Use vrp_evaluate_conditional_warnv_with_ops.
5323         (simplify_stmt_for_jump_threading): Update call to
5324         vrp_evaluate_conditional.
5325
5326 2008-04-24  Ira Rosen  <irar@il.ibm.com>
5327
5328         PR tree-optimization/35982
5329         * tree-vect-analyze.c (vect_check_interleaving): Check that the
5330         interleaved data-refs are of the same type.
5331
5332 2008-04-24  Danny Smith  <dannysmith@users.net>
5333
5334         * c-format.c (check_format_info_main): Use strncmp rather than a
5335         magic prefix to handle multichar length specs.
5336         * config/i386/msformat-c.c (format_length_info ms_printf_length_specs):
5337         Don't prefix "I64" and "I32" with '\0'.
5338
5339 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
5340
5341         PR target/36015
5342         * config/i386/i386.c (init_cumulative_args): Don't pass anything
5343         in registers for -m32 only if stdarg_p (fntype).
5344
5345 2008-04-24  Uros Bizjak  <ubizjak@gmail.com>
5346
5347         PR rtl-optimization/36006
5348         * expmed.c (store_fixed_bit_field): Copy op0 rtx before moving
5349         temp to op0 in order to avoid invalid rtx sharing.
5350
5351 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
5352
5353         * tree-cfg.c (verify_expr): Check with is_gimple_address.  Don't
5354         check TREE_INVARIANT.
5355         * tree-gimple.c (is_gimple_address): New.
5356         (is_gimple_invariant_address): Simplify using decl_address_invariant_p.
5357         * tree-gimple.h (is_gimple_address): New.
5358         * tree.h (decl_address_invariant_p): New.
5359         * tree.c (make_node_stat): Don't set TREE_INVARIANT.
5360         (build_string): Likewise.
5361         (decl_address_invariant_p): New, from is_gimple_invariant_address.
5362         (tree_invariant_p_1): Likewise.
5363         (save_expr): Use it.
5364         (tree_invariant_p): New.
5365         (skip_simple_arithmetic): Use it.
5366         (stabilize_reference_1): Use it.
5367         (recompute_tree_invariant_for_addr_expr): Don't update TREE_INVARIANT,
5368         simplify.
5369         (build1_stat): Drop code to compute TREE_INVARIANT.
5370         (build2_stat): Drop code to compute TREE_INVARIANT.
5371         (build3_stat): Drop code to compute TREE_INVARIANT.
5372         (build4_stat): Drop code to compute TREE_INVARIANT.
5373         (build5_stat): Drop code to compute TREE_INVARIANT.
5374         (build7_stat): Drop code to compute TREE_INVARIANT.
5375         (merge_dllimport_decl_attributes): Don't mention TREE_INVARIANT.
5376         * tree.h (struct tree_base): Remove invariant_flag.
5377         (TREE_INVARIANT): Remove.
5378         * builtins.c (build_string_literal): Don't set TREE_INVARIANT.
5379         (fold_builtin_expect): Check TREE_CONSTANT.
5380         * tree-ssa-ccp.c (fold_stmt_r): Adjust comment.
5381         * c-tree.h (c_expr_to_decl): Drop third parameter.
5382         * c-typeck.c (build_external_ref): Don't set TREE_INVARIANT.
5383         (build_c_cast): Don't set TREE_INVARIANT.
5384         (pop_init_level): Don't set TREE_INVARIANT.
5385         (c_objc_common_truthvalue_conversion): Don't set TREE_INVARIANT.
5386         * gimplify.c (gimplify_init_ctor_preeval): Add assertion, test
5387         TREE_CONSTANT.
5388         (gimplify_init_constructor): Don't set TREE_INVARIANT.
5389         (gimplify_addr_expr): Adjust comment.
5390         * tree-mudflap.c (mf_build_string):
5391         * print-tree.c (print_node): Don't print TREE_INVARIANT.
5392         * tree-nested.c (convert_nonlocal_reference): Adjust comment.
5393         * c-common.c (fix_string_type): Don't set TREE_INVARIANT.
5394         * langhooks-def.h (lhd_expr_to_decl): Drop third parameter.
5395         * langhooks.c (lhd_expr_to_decl): Drop third parameter.
5396         * langhooks.h (struct lang_hooks): Drop third parameter from
5397         expr_to_decl.
5398
5399 2008-04-23  Richard Guenther  <rguenther@suse.de>
5400
5401         PR tree-optimization/27799
5402         PR tree-optimization/32921
5403         PR tree-optimization/32624
5404         * tree-ssa-structalias.c (merge_smts_into): Only merge the
5405         SMTs aliases and the tag itself into the solution.
5406         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Do not
5407         merge the points-to solution back into the SMT aliases.
5408         (may_alias_p): Use alias_set_subset_of instead of
5409         aliases_conflict_p.  A pointer which points to
5410         memory with alias set zero may access any variable.
5411
5412 2008-04-23  Richard Guenther  <rguenther@suse.de>
5413
5414         * alias.c (alias_set_subset_of): Correctly handle asking
5415         if zero is a subset of an alias set with zero child.
5416         * tree-ssa-alias.c (have_common_aliases_p): Simplify logic.
5417         (compute_flow_insensitive_aliasing): Correctly walk all
5418         pointers.  Do not unnecessarily union sets.
5419
5420 2008-04-23  Richard Guenther  <rguenther@suse.de>
5421
5422         PR middle-end/36021
5423         * c-common.c (handle_alloc_size_attribute): Use type_num_arguments.
5424
5425 2008-04-22  Tomas Bily  <tbily@suse.cz>
5426
5427         * tree-cfg.c (verify_expr): Check for NON_LVALUE_EXPR as
5428         unreachable case.
5429         * tree-vrp.c (extract_range_from_unary_expr): Removed unused
5430         NON_LVALUE_EXPR.
5431         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
5432         * tree-ssa-structalias.c (get_constraint_for): Likewise.
5433         * tree-inline.c (estimate_num_insns_1): Likewise.
5434         * varasm.c (const_hash_1, compare_constant, copy_constant)
5435         (compute_reloc_for_constant, output_addressed_constants): Likewise.
5436         * emit-rtl.c (component_ref_for_mem_expr)
5437         (set_mem_attributes_minus_bitpos): Likewise.
5438         * expr.c (highest_pow2_factor, expand_expr_real_1, )
5439         (is_aligning_offset): Likewise.
5440         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info): Likewise.
5441         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
5442         * dojump.c (do_jump): Likewise.
5443         * builtins.c (get_pointer_alignment, get_memory_rtx)
5444         (integer_valued_real_p, fold_builtin_next_arg): Likewise.
5445         * tree-scalar-evolution.c (instantiate_parameters_1): Likewise.
5446
5447 2008-04-23  Jakub Jelinek  <jakub@redhat.com>
5448
5449         PR rtl-optimization/36017
5450         * builtins.c (expand_errno_check): Clear CALL_EXPR_TAILCALL before
5451         expanding the library call.
5452
5453 2008-04-22  Ian Lance Taylor  <iant@google.com>
5454
5455         * fold-const.c (pointer_may_wrap_p): Call int_size_in_bytes rather
5456         than size_in_bytes.
5457
5458 2008-04-22  Pat Haugen  <pthaugen@us.ibm.com>
5459
5460         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase cost
5461         of LR/CTR moves for Power6.
5462
5463 2008-04-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
5464
5465         PR middle-end/36003
5466         * passes.c (init_optimization_passes): Remove
5467         pass_fast_rtl_byte_dce.
5468         
5469 2008-04-22  Uros Bizjak  <ubizjak@gmail.com>
5470
5471         PR target/29096
5472         * config/i386/xmmintrin.h (_mm_cvtpi16_ps): Rearrange calls to
5473         builtin functions to generate faster code.
5474         (_mm_cvtpu16_ps): Ditto.
5475         (_mm_cvtpi32x2_ps): Ditto.
5476
5477 2008-04-22  Nick Clifton  <nickc@redhat.com>
5478
5479         * common.opt (ftree-loop-distribution): Add Optimization
5480         attribute.
5481
5482         * config/frv/frv.c (frv_stack_info): Use crtl instead of cfun.
5483         (frv_expand_builtin_va_start): Likewise.
5484
5485         * config/arm/arm.c (thumb_find_work_register): Fix location of
5486         argument register count.
5487
5488 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
5489
5490         Support scheduling for ColdFire V1 and V3 microarchitecture.
5491         Improve scheduling of multiplication instructions.
5492
5493         * config/m68k/m68k.md (cpu): Add cfv1 and cfv3.  Rename cf_v2 to cfv1.
5494         (mac): New instruction attribute.
5495         * config/m68k/m68k.c (override_options): Handle cfv1, cfv3 and mac.
5496         (m68k_sched_mac): New variable.
5497         (m68k_sched_attr_type2, m68k_sched_md_init_global): Update.
5498         Handle cfv1 and cfv3.
5499         (max_insn_size): New static variable.
5500         (struct _sched_ib): New type.
5501         (sched_ib): New static variable.
5502         (sched_ib_size, sched_ib_filled, sched_ib_insn): Convert variables
5503         to fields of 'struct _sched_ib sched_ib'.  Update all uses.
5504         (m68k_sched_variable_issue): Add modeling of cfv3 instruction buffer.
5505         Update.
5506         (m68k_sched_md_init_global, m68k_sched_md_finish_global,
5507         m68k_sched_md_init, m68k_sched_md_finish): Handle cfv1 and cfv3.  Init
5508         new variables.  Update.
5509         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
5510         Add modeling of cfv3 instruction buffer.  Update.
5511         * config/m68k/m68k-protos.h (m68k_sched_mac): Declare.
5512         * config/m68k/m68k.h (TUNE_CFV3): New macro.
5513         * config/m68k/cf.md: Change substrings 'cf_v2' to 'cfv12' or 'cfv123'.
5514         (cf_* reservations): Rename to cfv12 or cfv123 to indicate cores
5515         a particular reservation applies to.
5516         (type2): Reorganize attribute values.  Rename alu to alu_reg,
5517         alu_l to alu, move_l to omove.  Join move to alu.  Split mul
5518         to mul_l and mul_w.
5519         (cf_ib_*): Simplify description of instruction buffer.
5520         (cf_ib_w0, cf_ib_w4, cf_ib_w5, cf_ib_w6): Remove.
5521         (cf_mem): Split into cf_mem1 and cf_mem2.
5522         (cf_v2_move_??): Rename to cfv12_alu_??.
5523         (cf_v2_move_l_??): Rename to cfv12_omove_??.
5524         (cf_v2_mul_??): Remove reservations.
5525         (cfv12_mul_l_??, cfv12_mul_w_??, cfv12_mac_w_??, cfv12_mac_l_??,
5526         cfv12_emac_??, cfv12_emac_w_i0): New reservations.
5527         (cfv12_rts, cfv12_call, cfv12_bcc, cfv12_bra, cfv12_jmp): Move to
5528         appropriate place.
5529         (cfv3_alu_10, cfv3_omove_10, cfv3_alu_i0, cfv3_omove_i0, cfv3_alu_01,
5530         cfv3_alu_0i, cfv3_alu_11, cfv3_omove_11, cfv3_alu_i1, cfv3_omove_i1,
5531         cfv3_alu_1i, cfv3_omove_1i, cfv3_pea_11, cfv3_pea_i1, cfv3_mul_w_10,
5532         cfv3_mul_l_10, cfv3_mul_w_i0, cfv3_mac_w_10, cfv3_mac_l_10,
5533         cfv3_mac_w_i0, cfv3_emac_10, cfv3_emac_w_i0, cfv3_rts, cfv3_call,
5534         cfv3_bcc, cfv3_bra, cfv3_jmp): New reservations.
5535         (cfv3_*_1, cfv3_*_2, cfv3_*_3): New instruction reservations that are
5536         expansions of the above reservations for instructions of sizes
5537         1, 2 and 3 words.
5538
5539 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
5540
5541         * rtl-factoring.c (collect_patterns_seqs): Handle CC0 targets.
5542
5543 2008-04-21  Adam Nemet  <anemet@caviumnetworks.com>
5544
5545         * coverage.c: Include tree-pass.h.
5546         (coverage_counter_alloc): Print da_file_name to the dump file.
5547
5548 2008-04-21  Kenneth Zadeck  <zadeck@naturalbridge.com>
5549
5550         * sbitmap.c (sbitmap_range_empty_p): New function.
5551         * sbitmap.h (sbitmap_range_empty_p): New function.
5552         * bitmap.h: Now includes obstack.h.
5553
5554 2008-04-21  Richard Sandiford  <rsandifo@nildram.co.uk>
5555             Kenneth Zadeck  <zadeck@naturalbridge.com>
5556
5557         * dbgcnt.def (ra_byte_scan): Added.
5558         * dbgcnt.c (dbg_cnt): Added code to print message to dump_file
5559         when the last hit happens for a counter.  
5560         * timevar.def (TV_DF_BYTE_LR): New variable.
5561         * tree-pass.h (pass_fast_rtl_byte_dce): New pass.
5562         * passes.c (pass_fast_rtl_byte_dce): New pass.
5563         * fwprop.c (update_df): Added mode to call df_ref_create.
5564         Renamed DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
5565         DF_REF_EXTRACT_OFFSET.
5566         * df.h (DF_BYTE_LR, DF_BYTE_LR_BB_INFO, DF_BYTE_LR_IN, 
5567         DF_BYTE_LR_OUT, df_byte_lr): New macro.
5568         (df_mm): New enum.
5569         (df_ref_extract): Added mode field.
5570         (DF_REF_WIDTH, DF_REF_OFFSET) Renamed to DF_REF_EXTRACT_WIDTH and
5571         DF_REF_EXTRACT_OFFSET.
5572         (DF_REF_EXTRACT_MODE): New macro.
5573         (df_byte_lr_bb_info): New structure.
5574         (df_print_byte_regset, df_compute_accessed_bytes, 
5575         df_byte_lr_add_problem, df_byte_lr_get_regno_start,
5576         df_byte_lr_get_regno_len, df_byte_lr_simulate_defs,
5577         df_byte_lr_simulate_uses,
5578         df_byte_lr_simulate_artificial_refs_at_top,
5579         df_byte_lr_simulate_artificial_refs_at_end,
5580         df_compute_accessed_bytes): New function.
5581         (df_ref_create): Add parameter.
5582         (df_byte_lr_get_bb_info): New inline function.
5583         * df-scan.c (df_ref_record, df_uses_record,
5584         df_ref_create_structure): Added mode parameter.
5585         (df_ref_create, df_notes_rescan, df_ref_record, df_def_record_1, 
5586         df_defs_record, df_uses_record, df_get_conditional_uses,
5587         df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect, 
5588         df_entry_block_defs_collect, df_exit_block_uses_collect):
5589         Added mode parameter to calls to df_ref_record, df_uses_record,
5590         df_ref_create_structure.
5591         (df_ref_equal_p, df_ref_compare): Added test for modes.
5592         (df_ref_create_structure): Added code to set mode.  Renamed
5593         DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
5594         DF_REF_EXTRACT_OFFSET.
5595         * df-core.c (df_print_byte_regset): New function.
5596         * df-byte-scan.c: New file.
5597         * df-problems.c (df_rd_transfer_function): Removed unnecessary
5598         calls to BITMAP_FREE.  
5599         (df_byte_lr_problem_data, df_problem problem_BYTE_LR): New structure.
5600         (df_byte_lr_get_regno_start, df_byte_lr_get_regno_len,
5601         df_byte_lr_set_bb_info, df_byte_lr_free_bb_info, 
5602         df_byte_lr_check_regs, df_byte_lr_expand_bitmap, 
5603         df_byte_lr_alloc, df_byte_lr_reset, df_byte_lr_bb_local_compute,
5604         df_byte_lr_local_compute, df_byte_lr_init,
5605         df_byte_lr_confluence_0, df_byte_lr_confluence_n, 
5606         df_byte_lr_transfer_function, df_byte_lr_free, 
5607         df_byte_lr_top_dump, df_byte_lr_bottom_dump,
5608         df_byte_lr_add_problem, df_byte_lr_simulate_defs, 
5609         df_byte_lr_simulate_uses,
5610         df_byte_lr_simulate_artificial_refs_at_top,
5611         df_byte_lr_simulate_artificial_refs_at_end): New function.
5612         * dce.c (byte_dce_process_block): New function.
5613         (dce_process_block): au is now passed in rather than computed
5614         locally.  Changed loops that look at artificial defs to not look
5615         for conditional or partial ones, because there never are any.  
5616         (fast_dce): Now is able to drive byte_dce_process_block or 
5617         dce_process_block depending on the kind of dce being done.
5618         (rest_of_handle_fast_dce): Add parameter to fast_dce.
5619         (rest_of_handle_fast_byte_dce): New function.
5620         (rtl_opt_pass pass_fast_rtl_byte_dce): New pass.
5621         * Makefile.in (df-byte-scan.o, debugcnt.o): Added dependencies.
5622
5623 2008-04-21  Daniel Franke  <franke.daniel@gmail.com>
5624
5625         PR fortran/35019
5626         * gcc.h: Added fortran options that take arguments to
5627         DEFAULT_SWITCH_TAKES_ARG and DEFAULT_WORD_SWITCH_TAKES_ARG
5628         macros.
5629
5630 2008-04-20  Eric Botcazou  <ebotcazou@adacore.com>
5631
5632         * tree-sra.c (sra_walk_expr) <VIEW_CONVERT_EXPR>: Disable
5633         scalarization if on the LHS and not a full access.
5634
5635 2008-04-20  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5636
5637         * Makefile.in (s-gtyp-input): Remove tmp-gi.list before writing it.
5638
5639 2008-04-18  Rafael Espindola  <espindola@google.com>
5640
5641         * tree-vrp.c (find_case_label_index): Fix the binary search.
5642         (find_case_label_range): New.
5643         (vrp_visit_switch_stmt): Use find_case_label_range.
5644         (simplify_switch_using_ranges): Use find_case_label_range.
5645
5646 2008-04-18  Eric Botcazou  <ebotcazou@adacore.com>
5647
5648         * gimplify.c (gimplify_modify_expr_rhs) <COND_EXPR>: Gimplify the LHS
5649         using the is_gimple_lvalue predicate instead of is_gimple_min_lval.
5650
5651 2008-04-18  Tom Tromey  <tromey@redhat.com>
5652
5653         PR libcpp/15500:
5654         * doc/cpp.texi (Implementation-defined behavior): Mention
5655         -finput-charset.
5656
5657 2008-04-18  Ian Lance Taylor  <iant@google.com>
5658
5659         * fold-const.c (pointer_may_wrap_p): New static function.
5660         (fold_comparison): Add another test for pointer overflow.  Use
5661         pointer_may_wrap_p to disable some false positives.
5662
5663 2008-04-18  Kris Van Hees <kris.van.hees@oracle.com>
5664           
5665         * c-common.c (CHAR16_TYPE, CHAR32_TYPE): New macros.
5666         (fname_as_string): Match updated cpp_interpret_string prototype.
5667         (fix_string_type): Support char16_t* and char32_t*.
5668         (c_common_nodes_and_builtins): Add char16_t and char32_t (and
5669         derivative) nodes.  Register as builtin if C++0x.
5670         (c_parse_error): Support CPP_CHAR{16,32}.
5671         * c-common.h (RID_CHAR16, RID_CHAR32): New elements. 
5672         (enum c_tree_index) <CTI_CHAR16_TYPE, CTI_SIGNED_CHAR16_TYPE,
5673         CTI_UNSIGNED_CHAR16_TYPE, CTI_CHAR32_TYPE, CTI_SIGNED_CHAR32_TYPE,
5674         CTI_UNSIGNED_CHAR32_TYPE, CTI_CHAR16_ARRAY_TYPE,
5675         CTI_CHAR32_ARRAY_TYPE>: New elements.
5676         (char16_type_node, signed_char16_type_node, unsigned_char16_type_node,
5677         char32_type_node, signed_char32_type_node, char16_array_type_node,
5678         char32_array_type_node): New defines.
5679         * c-lex.c (cb_ident): Match updated cpp_interpret_string prototype.
5680         (c_lex_with_flags): Support CPP_CHAR{16,32} and CPP_STRING{16,32}.
5681         (lex_string): Support CPP_STRING{16,32}, match updated
5682         cpp_interpret_string and cpp_interpret_string_notranslate prototypes.
5683         (lex_charconst): Support CPP_CHAR{16,32}.
5684         * c-parser.c (c_parser_postfix_expression): Support CPP_CHAR{16,32}
5685         and CPP_STRING{16,32}.
5686
5687 2008-04-18  Paolo Bonzini  <bonzini@gnu.org>
5688
5689         PR bootstrap/35457
5690         * aclocal.m4: Regenerate.
5691         * configure: Regenerate.
5692
5693 2008-04-18  Jan Hubicka  <jh@suse.cz>
5694
5695         * except.c (dw2_size_of_call_site_table,
5696         sjlj_size_of_call_site_table): Use vector API for call_site_record.
5697
5698         * cgraphbuild.c (build_cgraph_edges): Update.
5699         * tree-pass.h: Update comment.
5700         * final.c (leaf_function_p): Update.
5701         (leaf_renumber_regs): Update.
5702         (rest_of_clean_state): Update.
5703         * omp-low.c (expand_omp_parallel): Update.
5704         * ipa-reference.c (analyze_function): Update.
5705         * reorg.c (find_end_label): Update.
5706         (optimize_skip): Update.
5707         (fill_simple_delay_slots): Update.
5708         (fill_simple_delay_slots): Update.
5709         (make_return_insns): Update.
5710         (dbr_schedule): Update.
5711         * gimple-low.c (record_vars_into): Update.
5712         * cfgbuild.c (make_edges): Update.
5713         * function.c (assign_stack_local): Update.
5714         (assign_parm_adjust_stack_rtl): Update.
5715         (locate_and_pad_parm): Update.
5716         (allocate_struct_function): Do not initialize stack_alignment_needed
5717         and preferred_stack_boundary here.
5718         (stack_protect_prologue): Update.
5719         (stack_protect_epilogue): Update.
5720         (expand_function_start): Initialize stack_alignment_needed,
5721         preferred_stack_boundary and max_jumptable_ents.
5722         (expand_function_end): Update.
5723         (free_after_compilation): Do not NULLify epilogue_delay_list.
5724         * function.h (struct rtl_data): Add stack_protect_guard,
5725         stack_alignment_needed,
5726         preferred_stack_boundary, epilogue_delay_list.
5727         (struct function): Remove value_histograms, stack_alignment_needed,
5728         preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
5729         last_label_uid,
5730         unexpanded_var_list, stack_protect_guard.
5731         (current_function_epilogue_delay_list): Remove.
5732         * ipa-type-escape.c (analyze_function): Update.
5733         * gimplify.c (pop_gimplify_context): Update comment.
5734         * calls.c (expand_call): Update.
5735         (emit_library_call_value_1): Update.
5736         * except.c (set_nothrow_function_flags): Update.
5737         * cfgexpand.c (get_decl_align_unit): Update.
5738         (create_stack_guard): Update.
5739         (estimated_stack_frame_size): Update.
5740         (expand_used_vars): Update.
5741         (tree_expand_cfg): Free histogram earliers, init expansion variables.
5742         * explow.c (allocate_dynamic_stack_space): Update.
5743         * tree-ssa-live.c (remove_unused_locals): Update.
5744         * varasm.c (mark_constant_pool): Update.
5745         * tree-inline.c (remap_decls): Update.
5746         (initialize_cfun): Update.
5747         (declare_return_variable): Update.
5748         (inline_forbidden_p): Update.
5749         (expand_call_inline): Update.
5750         (declare_inline_vars): Update.
5751         (tree_function_versioning): Update.
5752         * tree-flow.h (value_histograms): New.
5753         (VALUE_HISTOGRAMS): New macro.
5754         * basic-block.h (control_flow_graph): Add max_jumptable_ents,
5755         last_label_uid.
5756         * tree-cfg.c (set_bb_for_stmt): Update.
5757         (replace_by_duplicate_decl): Update.
5758         (move_block_to_fn): Update.
5759         (new_label_mapper): Update.
5760         (dump_function_to_file): Update.
5761         * ipa-struct-reorg.c (build_data_structure): Update.
5762         * cfgrtl.c (print_rtl_with_bb): Update.
5763         * reload1.c (reload): Update.
5764         (reload): Update.
5765         * config/i386/i386.c (setup_incoming_varargs_64,
5766         ix86_compute_frame_layout): Update.
5767         * config/arc/arc.c (arc_output_function_epilogue): Update.
5768
5769 2008-04-18  Marius Strobl <marius@FreeBSD.org>
5770
5771         * gthr-posix.h (__gthread_active_p): Use the Solaris implementation
5772         for FreeBSD as well.
5773         * gthr-posix95.h: Likewise.
5774
5775 2008-04-17  Richard Sandiford  <rsandifo@nildram.co.uk>
5776
5777         PR rtl-optimization/35838
5778         * dse.c (find_shift_sequence): Use subreg_lowpart_offset to work
5779         out the byte offset of the first subreg.
5780
5781 2008-04-17  Uros Bizjak  <ubizjak@gmail.com>
5782
5783         * config/i386/i386.md (addti3 splitter): Pass arrays of 3 operands
5784         to split_ti instead of three separate calls with single member arrays.
5785         (subti3 splitter): Ditto.
5786         (adddi3 splitter): Ditto with split_di.
5787         (subdi3 splitter): Ditto.
5788         (negti2 splitter): Pass arrays of 2 operands to split_ti instead of
5789         two separate calls with single member arrays.  Swap match_dup
5790         operands 1 and 2 to better fit into the array.
5791         (negdi2 splitter): Ditto with split_di.
5792         (movdfcc splitter):  Pass arrays of 2 operands to split_di instead of
5793         two separate calls with single member arrays.  Swap match_dup operands
5794         6 and 7 to better fit into the array.
5795
5796 2008-04-17  H.J. Lu  <hongjiu.lu@intel.com>
5797
5798         * config/i386/i386.c (sse_builtin_type): New.
5799         (bdesc_sse_args): Likewise.
5800         (bdesc_sse_3arg): Removed.
5801         (bdesc_2arg): Remove IX86_BUILTIN_AESKEYGENASSIST128.
5802         (bdesc_1arg): Remove IX86_BUILTIN_ROUNDPD and
5803         IX86_BUILTIN_ROUNDPS.
5804         (ix86_init_mmx_sse_builtins): Handle bdesc_sse_args.  Remove
5805         bdesc_sse_3arg.  Remove IX86_BUILTIN_ROUNDPD and
5806         IX86_BUILTIN_ROUNDPS.
5807         (ix86_expand_sse_4_operands_builtin): Removed.
5808         (ix86_expand_sse_operands_builtin): New.
5809         (ix86_expand_unop_builtin): Remove CODE_FOR_sse4_1_roundpd
5810         and CODE_FOR_sse4_1_roundps.
5811         (ix86_expand_builtin): Remove IX86_BUILTIN_AESKEYGENASSIST128.
5812         Handle bdesc_sse_args.  Remove bdesc_sse_3arg.
5813
5814 2008-04-17  Alan Modra  <amodra@bigpond.net.au>
5815
5816         PR target/35907
5817         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Restore vr and vrsave
5818         regs before frame pop when needed.  If use_backchain_to_restore_sp
5819         then load backchain into a temp reg to restore vr and vrsave.  Add
5820         code to restore vr after frame pop if possible.
5821
5822 2008-04-17  Richard Guenther  <rguenther@suse.de>
5823
5824         * tree-vn.c (expressions_equal_p): Do not check type
5825         equality or compatibility before calling operand_equal_p.
5826         * fold-const.c (operand_equal_p): Check equivalence of
5827         integer constants before bailing out due to signedness or
5828         precision differences.
5829         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Ignore
5830         spurious differences in type qualification.  Ignore types
5831         for COMPONENT_REFs at all.
5832
5833 2008-04-17  Christian Bruel  <christian.bruel@st.com>
5834
5835         * config/sh/sh.c (expand_cbranchdi4): Use original operands for
5836         msw_skip comparison.
5837         
5838 2008-04-16  Jakub Jelinek  <jakub@redhat.com>
5839
5840         PR c/35739
5841         * tree-nrv.c (tree_nrv): Don't optimize if result_type is GIMPLE
5842         reg type.
5843
5844         PR tree-optimization/35899
5845         * tree-inline.c (expand_call_inline): Use GIMPLE_STMT_OPERAND
5846         rather than TREE_OPERAND.
5847
5848 2008-04-16  Uros Bizjak  <ubizjak@gmail.com>
5849
5850         PR target/35944
5851         * config/i386/i386.md (fmodxf3): Copy operand 1 and operand 2 into
5852         temporary registers.  Change operand predicate to general_operand.
5853         (remainderxf3): Ditto.
5854
5855 2008-04-16  Richard Guenther  <rguenther@suse.de>
5856
5857         * Makefile.in (tree-affine.o): Add $(FLAGS_H) dependency.
5858         * tree-affine.c (aff_combination_expand): Look through some
5859         conversions.
5860
5861 2008-04-15  Doug Kwan  <dougkwan@google.com>
5862
5863         * dwarf2asm.c (dw2_assemble_integer): Cast to unsigned HOST_WIDE_INT
5864         for hex printing.
5865         * tree-pretty-print.c (dump_generic_node): Ditto.
5866         * final.c (output_addr_const): Ditto.
5867         * dwarf2out.c (output_cfi): Ditto.
5868         * c-pretty-print.c (pp_c_integer_constant): Ditto.
5869         * print-rtl.c (print_rtx): Ditto.
5870         * print-tree.c (print_node_brief, print_node): Ditto.
5871         * c-common.c (match_case_to_enum_1): Ditto.
5872         * sched-vis.c (print_value): Ditto.
5873         * config/i386/i386.c (print_operand): Cast to long unsigned int
5874         for hex printing.
5875
5876 2008-04-15  Danny Smith  <dannysmith@users.sourceforge.net>
5877         * libgcc2.c [L_trampoline]: Remove  unnecessary prototype for
5878         MS Windows VirtualProtect function.
5879
5880 2008-04-15  Jan Hubicka  <jh@suse.cz>
5881
5882         * gengtype.c (write_root): Param_is argument is OK.
5883         * expr.c (expand_expr_real_1): Update call of get_exception_*.
5884         * function.h: Include varray.h
5885         (rtl_eh): New stucture based on except.c one.
5886         (call_site_record): New forward declaration and vector type.
5887         * calls.c (emit_call_1): Do not call
5888         note_current_region_may_contain_throw.
5889         * except.c (eh_status): Remove cur_region, try_region since they are
5890         unused.
5891         Move filter, exc_ptr, ttype_data, ehspec_data, action_record_data and
5892         exception_handler_label_map, ehr_stackadj, ehr_handler, ehr_label,
5893         sjlj_fc, sjlj_exit_after to rth_eh in function.h. 
5894         Remove call_site_data_used, call_site_data_size.
5895         Turn call_site_record into vector in function.h.
5896         (note_current_region_may_contain_throw): Remove.
5897         (get_exception_pointer, get_exception_filter): Do not take struct
5898         function argument; update.
5899         (add_ehl_entry, find_exception_handler_labels, ehspec_filter_hash,
5900         add_ttypes_entry, add_ehspec_entry, assign_filter_values,
5901         build_post_landing_pads, dw2_build_landing_pads,
5902         sjlj_assign_call_site_values, sjlj_mark_call_sites,
5903         sjlj_emit_function_enter, sjlj_emit_function_enter, 
5904         sjlj_emit_function_exit, sjlj_emit_dispatch_table,
5905         sjlj_build_landing_pads, finish_eh_generation,
5906         remove_exception_handler_label, remove_eh_handler,
5907         maybe_remove_eh_handler, add_reachable_handler,
5908         reachable_handlers, expand_builtin_eh_return, expand_eh_return,
5909         add_action_record, collect_one_action_chain, add_call_site,
5910         convert_to_eh_region_ranges, sjlj_size_of_call_site_table,
5911         sjlj_output_call_site_table, output_function_exception_table,
5912         * except.h (note_current_region_may_contain_throw): Remove
5913         (get_exception_pointer, get_exception_filter): Do not take struct
5914         function argument.
5915         * Makefile.in (GTFILES): Put varargs before struct function.
5916
5917 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
5918
5919         * tree-ssa-structalias.c (get_constraint_for_component_ref): Do not
5920         punt for STRING_CST.
5921         (get_constraint_for): Deal with STRING_CST here instead.
5922
5923 2008-04-15  Richard Guenther  <rguenther@suse.de>
5924
5925         * tree-ssa-propagate.c (substitute_and_fold): Substitute
5926         statements in a basic-block with a backward walk.  Do not
5927         substitute into dead statements but instead remove those.
5928
5929 2008-04-15  Richard Guenther  <rguenther@suse.de>
5930
5931         * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Set default
5932         to zero, thus disable creation of SFTs.
5933
5934 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
5935
5936         * tree-predcom.c (suitable_reference_p): Return false if the
5937         reference can throw.
5938
5939 2008-04-15  Jakub Jelinek  <jakub@redhat.com>
5940
5941         PR c/35751
5942         * c-decl.c (finish_decl): If extern or static var has variable
5943         size, set TREE_TYPE (decl) to error_mark_node.
5944
5945 2008-04-15  Rafael Espindola  <espindola@google.com>
5946
5947         * fold-const.c (tree_call_nonnegative_warnv_p): Remove local
5948         variable arg1.
5949
5950 2008-04-15  Richard Guenther  <rguenther@suse.de>
5951
5952         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
5953         * tree-ssa-sccvn.c (vn_reference_lookup): New parameter maywalk.
5954         (visit_reference_op_load): Do walk vuse-vdef chains on
5955         vn_reference_lookup.
5956         (visit_reference_op_store): But do not here.
5957         * tree-vn.c (vn_lookup): Do not walk vuse-vdef chains on
5958         vn_reference_lookup.
5959         (vn_lookup_with_vuses): But do so here.
5960
5961 2008-04-14  Ian Lance Taylor  <iant@google.com>
5962
5963         * fold-const.c (fold_overflow_warning): Remove assertion.
5964
5965 2008-04-15  Ben Elliston  <bje@au.ibm.com>
5966
5967         * config/alpha/alpha.c (alpha_initialize_trampoline): Remove temp,
5968         temp1 local variables.
5969
5970 2008-04-15  Zuxy Meng  <zuxy.meng@gmail.com>
5971
5972         PR target/35661
5973         * config/i386/winnt.c (i386_pe_section_type_flags): Mark
5974         ".text.unlikely" section as executable.
5975
5976 2008-04-14  James E. Wilson  <wilson@tuliptree.org>
5977
5978         * config/ia64/ia64.c (rtx_needs_barrier): Handle
5979         UNSPEC_FR_SQRT_RECIP_APPROX_RES.
5980         * config/ia64/ia64.c (UNSPEC_FR_SQRT_RECIP_APPROX_RES): Define.
5981         (divsi3_internal, divdi3_internal_lat, divdi3_internal_thr,
5982         divsf3_internal_lat, sqrt_approx, sqrtsf2_internal_thr,
5983         divdf3_internal_lat, sqrtdf2_internal_thr, divxf3_internal_lat,
5984         divxf3_internal_thr, sqrtxf2_internal_thr, recip_approx): Use it.
5985
5986 2008-04-14  Ian Lance Taylor  <iant@google.com>
5987
5988         * flags.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Define.
5989         * fold-const.c (fold_comparison): If appropriate, test
5990         POINTER_TYPE_OVERFLOW_UNDEFINED, and issue an overflow warning.
5991         (fold_binary): Test POINTER_TYPE_OVERFLOW_UNDEFINED when
5992         reassociating a pointer type.
5993         * doc/invoke.texi (Optimize Options): Document that
5994         -fstrict-overflow applies to pointer wraparound.
5995
5996 2008-04-13  Jan Hubicka  <jh@suse.cz>
5997
5998         * m32.c (m32c_pushm_popm): Use crtl->retrun_rtx.
5999
6000 2008-04-12  Andrew Pinski  <pinskia@gmail.com>
6001
6002         * config/rs6000/rs6000.c (compute_save_world_info): Set lr_save_p if
6003         we are going to "save the world".
6004
6005 2008-04-13  Hans-Peter Nilsson  <hp@axis.com>
6006
6007         * config/cris/cris.md ("*andhi_lowpart_non_v32", "*andhi_lowpart_v32")
6008         ("*andqi_lowpart_non_v32", "*andqi_lowpart_v32"): Use "+" for the
6009         operand 0 constraint, not "=".
6010
6011 2008-04-11  James E. Wilson  <wilson@tuliptree.org>
6012
6013         * system.h: Change ASSERT_CHECKING to ENABLE_ASSERT_CHECKING.
6014
6015 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
6016
6017         * dse.c (record_store): Use HOST_BITS_PER_WIDE_INT instead
6018         of size of positions_needed * CHAR_BIT.
6019
6020 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
6021
6022         PR middle-end/35897
6023         * dse.c (store_info): Change positions_needed to unsigned
6024         HOST_WIDE_INT.
6025         (lowpart_bitmask): New.
6026         (record_store): Cast to unsigned HOST_WIDE_INT for
6027         positions_needed.  Assert width <= size of positions_needed *
6028         CHAR_BIT.  Call lowpart_bitmask to initialize positions_needed.
6029         (check_mem_read_rtx): Use unsigned HOST_WIDE_INT on mask.  Call
6030         lowpart_bitmask to set mask.
6031
6032 2008-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
6033
6034         * config/bfin/constraints.md: New file.
6035         * config/bfin/bfin.md: Include it.
6036         (adddi3): Use satisfies_constraint functions instead of the old macros.
6037         * config/bfin/bfin.h (REG_CLASS_FROM_LETTER, CONSTRAINT_LEN,
6038         CONST_18UBIT_IMM_P, CONST_16BIT_IMM_P, CONST_16UBIT_IMM_P,
6039         CONST_7BIT_IMM_P, CONST_7NBIT_IMM_P, CONST_5UBIT_IMM_P,
6040         CONST_4BIT_IMM_P, CONST_4UBIT_IMM_P, CONST_3BIT_IMM_P,
6041         CONST_3UBIT_IMM_P, CONST_OK_FOR_K, CONST_OK_FOR_P, CONST_OK_FOR_M,
6042         CONST_OK_FOR_CONSTRAINT_P, CONST_DOUBLE_OK_FOR_LETTER,
6043         EXTRA_CONSTRAINT): Delete.
6044         * config/bfin/predicates.md (highbits_operand, reg_or_7bit_operand,
6045         reg_or_neg7bit_operand): Use satisfies_constraint functions instead
6046         of the old macros.
6047         * config/bfin/bfin.c: Include "tm-constrs.h".
6048         (bfin_secondary_reload, split_load_immediate, bfin_rtx_costs):
6049         Use satisfies_constraint functions instead of the old macros.
6050         * doc/md.texi (Blackfin Constraints): Update file name reference.
6051
6052 2008-04-11  Richard Guenther  <rguenther@suse.de>
6053
6054         PR tree-optimization/35869
6055         * tree-vrp.c (execute_vrp): Move switch statement update after
6056         jump threading.  Schedule another cfg cleanup run.
6057
6058 2008-04-11  Volker Reichelt  <v.reichelt@netcologne.de>
6059
6060         PR c/35744
6061         * attribs.c (decl_attributes): Return early on errorneous node.
6062
6063 2008-04-10  Oleg Ryjkov  <olegr@google.com>
6064
6065         * tree.h (struct tree_base): Added a new flag default_def_flag.
6066         (SSA_NAME_IS_DEFAULT_DEF): Changed to use the new flag.
6067
6068 2008-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
6069
6070         * config.gcc (need_64bit_hwint): Need 64bit hwint for sh-*-*.
6071
6072 2008-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6073
6074         PR target/35768
6075         * pa.md: Define mode iterator P.  Define mode attribute dwc.
6076         (dcacheflush): Update pattern to use iterator P and attribute dwc.
6077         (icacheflush): Likewise.
6078         * pa.h (INITIALIZE_TRAMPOLINE): Use dcacheflushsi/icacheflushsi if
6079         !TARGET_64BIT, and dcacheflushdi/icacheflushdi if TARGET_64BIT.
6080
6081 2008-04-11  Ben Elliston  <bje@au.ibm.com>
6082
6083         * config/spu/spu.c (spu_init_builtins): Mark builtins as nothrow.
6084
6085 2008-04-10  Rafael Espindola  <espindola@google.com>
6086
6087         * tree-vrp.c (extract_range_from_binary_expr): Don't handle
6088         TRUTH_ANDIF_EXPR or TRUTH_ORIF_EXPR.
6089         (extract_range_from_expr): The same.
6090
6091 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
6092
6093         * config/mips/mips.md (GPR2): New mode iterator.
6094         (seq): Add comment.
6095         (*seq_<mode>, *seq_<mode>_mips16, *sne_<mode>, *sgt<u>_<mode>,
6096         *sgt<u>_<mode>_mips16, *sge<u>_<mode>, *slt<u>_<mode>,
6097         *slt<u>_<mode>_mips16 *sle<u>_<mode>, *sle<u>_<mode>_mips16):
6098         Rewrite these to take two modes, the mode of comparison and the
6099         mode of the destination.
6100         * config/mips/mips.c (mips_expand_scc): Instead of having
6101         paradoxical subreg as destination, expand "narrowing" scc if mode
6102         of comparison is SI and target is requested in DI mode.
6103         (mips_emit_int_order_test): Update comment.  Make mode of
6104         comparison match CMP0 rather than TARGET.  When creating inverse
6105         target use mode of TARGET.
6106
6107 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
6108
6109         * gcov-dump.c (tag_summary): Only print summaries for the first
6110         GCOV_COUNTERS_SUMMABLE counters.
6111
6112 2008-04-10  Uros Bizjak  <ubizjak@gmail.com>
6113
6114         * config/i386/i386.md (absneg): New code iterator.
6115         (absnegprefix): New code attribute.
6116         (<code><mode>2): Macroize expander from abs<mode>2 and neg<mode>2
6117         patterns using absneg code iterator.
6118         (<code>tf2): Macroize expander from abstf2 and negtf2 patterns
6119         using absneg code iterator.
6120         (*<code><mode>2_1): Macroize insn pattern from *abs<mode>2_1 and
6121         *neg<mode>2 patterns using absneg code iterator.
6122         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
6123         *negextendsfdf2 patterns using absneg code iterator.
6124         (*<code>extendsfxf2): Macroize insn pattern from *absextendsfxf2 and
6125         *negextendsfxf2 patterns using absneg code iterator.
6126         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
6127         *negextendsfdf2 patterns using absneg code iterator.
6128         * config/i386/sse.md (<code><mode>2): Macroize expander from
6129         abs<mode>2 and neg<mode>2 patterns using absneg code iterator. 
6130
6131 2008-04-10  Andreas Krebbel  <krebbel1@de.ibm.com>
6132
6133         * config/s390/s390.h: Remove the remains of the recent search
6134         & replace action of current_function_outgoing_args_size.
6135
6136 2008-04-10  Ira Rosen  <irar@il.ibm.com>
6137
6138         PR tree-optimization/35821
6139         * tree-vect-transform.c (vect_create_data_ref_ptr): Add check that
6140         NEW_STMT_LIST is not NULL.
6141
6142 2008-04-09  David Edelsohn  <edelsohn@gnu.org>
6143
6144         PR libstdc++/35597
6145         * toplev.c (process_options): Remove -ffunction-sections debugging
6146         warning.
6147
6148 2008-04-09  Peter Bergner  <bergner@vnet.ibm.com>
6149
6150         PR middle-end/PR28690
6151         * explow.c (break_out_memory_refs): Use simplify_gen_binary rather
6152         than gen_rtx_fmt_ee to perform more canonicalizations.
6153
6154 2008-04-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6155
6156         PR driver/35665
6157         * collect2.c (write_c_file): Don't wrap in "#ifdef __cplusplus".
6158
6159 2008-04-09  Richard Guenther  <rguenther@suse.de>
6160
6161         * tree-cfg.c (verify_stmt): Print complete bogus stmt.
6162         (dump_function_to_file): Dump function arguments with types.
6163
6164 2008-04-08  Richard Guenther  <rguenther@suse.de>
6165
6166         * fold-const.c (fold_widened_comparison): Do not allow
6167         sign-changes that change the result.
6168
6169 2008-04-08  Janis Johnson  <janis187@us.ibm.com>
6170
6171         PR target/35839
6172         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle additional
6173         kinds of indirect references.
6174
6175 2008-04-08  David Edelsohn  <edelsohn@gnu.org>
6176
6177         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update
6178         GNU Fortran language string.
6179
6180 2008-04-08  Rafael Espindola  <espindola@google.com>
6181
6182         * fold-canst.c (tree_call_nonnegative_warnv_p): New.
6183         (tree_invalid_nonnegative_warnv_p): Use tree_call_nonnegative_warnv_p.
6184         * tree.h (tree_call_nonnegative_warnv_p): New.
6185
6186 2008-04-08  Jan Hubicka  <jh@suse.cz>
6187
6188         * function.c (free_after_compilation): Clear out regno_reg_rtx
6189         pointer.
6190
6191 2008-04-08  Peter Bergner  <bergner@vnet.ibm.com>
6192
6193         Revert
6194         2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
6195
6196         PR middle-end/PR28690
6197         * rtlanal.c: (commutative_operand_precedence): Give SYMBOL_REF's the
6198         same precedence as REG_POINTER and MEM_POINTER operands.
6199
6200 2008-04-08  Richard Guenther  <rguenther@suse.de>
6201
6202         PR middle-end/35834
6203         * tree-ssa-address.c (create_mem_ref): Use POINTER_PLUS_EXPR
6204         for adding index to base.
6205
6206 2008-04-08  Kai Tietz  <kai.tietz@onevision.com>
6207
6208         * config/i386/mingw32.h (ENABLE_EXECUTE_STACK): New.
6209         (MINGW_ENABLE_EXECUTE_STACK): New.
6210         (IN_LIBGCC2): For libgcc include windows.h file for
6211         function declarations.
6212
6213 2008-04-08  Hans-Peter Nilsson  <hp@axis.com>
6214
6215         * config/cris/cris.c (cris_address_cost): For a PLUS, swap tem1
6216         and tem2 if tem1 is not a REG or MULT.
6217
6218 2008-04-08  Jan Hubicka  <jh@suse.cz>
6219
6220         * function.h (incomming_args): Break out of struct function.
6221         (function_subsections): Break out of struct function.
6222         (rtl_data): Add args, subsections fields. Break out outgoing_args_size,
6223         return_rtx and hard_reg_initial_vals from struct function.
6224         Kill inl_max_label_num.
6225         (current_function_pops_args, current_function_args_info,
6226         current_function_args_size, current_function_args_size,
6227         current_function_pretend_args_size,
6228         current_function_outgoing_args_size,
6229         current_function_internal_arg_pointer, current_function_return_rtx):
6230         Kill compatibility accestor macros.
6231         * builtins.c (expand_builtin_apply_args_1): Update.
6232         (expand_builtin_next_arg): Update.
6233         * df-scan.c (df_get_call_refs): Update.
6234         * dbxout.c (dbxout_function_end): Update.
6235         * dwarf2out.c (dwarf2out_switch_text_section): Update.
6236         (output_line_info): Update.
6237         (secname_for_decl): Update.
6238         (dwarf2out_var_location): Update.
6239         * function.c (free_after_compilation): Update.
6240         (assign_parm_find_stack_rtl): Update.
6241         (assign_parms): Update.
6242         (expand_dummy_function_end): Update.
6243         (expand_function_end): Update.
6244         * calls.c (mem_overlaps_already_clobbered_arg_p): Update.
6245         (expand_call): Update.
6246         (emit_library_call_value_1): Update.
6247         (store_one_arg): Update.
6248         * varasm.c (initialize_cold_section_name): Update.
6249         (unlikely_text_section): Update.
6250         (unlikely_text_section_p): Update.
6251         (assemble_start_function): Update.
6252         (assemble_end_function): Update.
6253         (default_section_type_flags): Update.
6254         (switch_to_section): Update.
6255         * integrate.c (set_decl_abstract_flags): Update.
6256         (get_hard_reg_initial_val): Update.
6257         (has_hard_reg_initial_val): Update.
6258         (allocate_initial_values): Update.
6259         * resource.c (init_resource_info): Update.
6260         * config/alpha/alpha.c (NUM_ARGS): Update.
6261         (direct_return): Update.
6262         (alpha_va_start): Update.
6263         (alpha_sa_size): Update.
6264         (alpha_initial_elimination_offset): Update.
6265         (alpha_expand_prologue): Update.
6266         (alpha_start_function): Update.
6267         (alpha_expand_epilogue): Update.
6268         (unicosmk_initial_elimination_offset):
6269         * config/alpha/alpha.md (call expander): Update.
6270         * config/s390/s390.c (s390_register_info): Update.
6271         (s390_register_info): Update.
6272         (s390_frame_info): Update.
6273         (s390_initial_elimination_offset): Update.
6274         (s390_build_builtin_va_list): Update.
6275         (s390_va_start): Update.
6276         * config/spu/spu.c (direct_return): Update.
6277         (spu_expand_prologue): Update.
6278         (spu_initial_elimination_offset): Update.
6279         (spu_build_builtin_va_list): Update.
6280         (spu_va_start): Update.
6281         * config/sparc/sparc.c (sparc_init_modes): Update.
6282         (sparc_compute_frame_size): Update.
6283         (function_value): Update.
6284         * config/m32r/m32r.c (m32r_compute_frame_size): Update.
6285         * config/i386/i386.md (return expander): Update.
6286         * config/i386/i386.c (ix86_va_start): Update.
6287         (ix86_can_use_return_insn_p): Update.
6288         (ix86_compute_frame_layout): Update.
6289         (ix86_expand_epilogue): Update.
6290         * config/sh/sh.c (output_stack_adjust): Update.
6291         (calc_live_regs): Update.
6292         (sh_expand_prologue): Update.
6293         (sh_builtin_saveregs): Update.
6294         (sh_va_start): Update.
6295         (initial_elimination_offset): Update.
6296         (sh_allocate_initial_value): Update.
6297         (sh_function_ok_for_sibcall): Update.
6298         (sh_get_pr_initial_val): Update.
6299         * config/sh/sh.md (return expander): Update.
6300         * config/avr/avr.c (frame_pointer_required_p): UPdate.
6301         * config/crx/crx.c (crx_compute_frame): UPdate.
6302         (crx_initial_elimination_offset): UPdate.
6303         * config/xtensa/xtensa.c (compute_frame_size): Update
6304         (xtensa_builtin_saveregs): Update.
6305         (xtensa_va_start): Update.
6306         (order_regs_for_local_alloc): Update.
6307         * config/stormy16/stormy16.c (xstormy16_compute_stack_layout): Update.
6308         (xstormy16_expand_builtin_va_start): Update.
6309         * config/fr30/fr30.c (fr30_compute_frame_size): Update.
6310         * config/m68hc11/m68hc11.md (return expanders): Update.
6311         * config/m68hc11/m68hc11.c (expand_prologue): Update.
6312         (expand_epilogue): Update.
6313         * config/cris/cris.c (cris_initial_frame_pointer_offset): Update.
6314         (cris_simple_epilogue): Update.
6315         (cris_expand_prologue): Update.
6316         (cris_expand_epilogue): Update.
6317         * config/iq2000/iq2000.c (iq2000_va_start): Update.
6318         (compute_frame_size): Update.
6319         * config/mt/mt.c (mt_compute_frame_size): Update.
6320         * config/mn10300/mn10300.c (expand_prologue): Update.
6321         (expand_epilogue): Update.
6322         (initial_offset): Update.
6323         (mn10300_builtin_saveregs):
6324         * config/mn10300/mn10300.md (return expander): Update.
6325         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
6326         (ia64_initial_elimination_offset): Update.
6327         (ia64_initial_elimination_offset): Update.
6328         (ia64_expand_prologue): Update.
6329         * config/m68k/m68k.md (return expander): Update.
6330         * config/rs6000/rs6000.c (rs6000_va_start): Update.
6331         (rs6000_stack_info): Update.
6332         * config/mcore/mcore.c (layout_mcore_frame): Update.
6333         (mcore_expand_prolog): Update.
6334         * config/arc/arc.c (arc_compute_frame_size): Update.
6335         * config/score/score3.c (score3_compute_frame_size): Update.
6336         * config/score/score7.c (score7_compute_frame_size): Update.
6337         * config/arm/arm.c (use_return_insn): Update.
6338         (thumb_find_work_register): Update.
6339         (arm_compute_save_reg_mask): Update.
6340         (arm_output_function_prologue): Update.
6341         (arm_output_epilogue): Update.
6342         (arm_size_return_regs): Update.
6343         (arm_get_frame_offsets): Update.
6344         (arm_expand_prologue): Update.
6345         (thumb_exit): Update.
6346         (thumb_unexpanded_epilogue): Update.
6347         (thumb1_output_function_prologue): Update.
6348         * config/pa/pa.md (return expander): Update.
6349         * config/pa/pa.c (compute_frame_size): Update.
6350         (hppa_builtin_saveregs): Update.
6351         * config/mips/mips.c (mips_va_start): Update.
6352         (mips16_build_function_stub): Update.
6353         (mips_compute_frame_info): Update.
6354         (mips_restore_gp): Update.
6355         (mips_output_function_prologue): Update.
6356         (mips_expand_prologue): Update.
6357         * config/v850/v850.c (compute_frame_size): Update.
6358         (expand_prologue): * config/mmix/mmix.c (along): update.
6359         (mmix_initial_elimination_offset): update.
6360         (mmix_reorg): update.
6361         (mmix_use_simple_return): update.
6362         (mmix_expand_prologue): update.
6363         (mmix_expand_epilogue): Update.
6364         * config/bfin/bfin.c (bfin_initial_elimination_offset): Update.
6365         (emit_link_insn): Update.
6366
6367 2008-04-08  Anatoly Sokolov <aesok@post.ru>
6368
6369         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Define 
6370         __AVR_HAVE_EIJMP_EICALL__ macro if device have EIJMP and EICALL 
6371         instructions.
6372         * config/avr/avr.c (avr_mcu_types): Set AVR31 architecture for 
6373         atmega103 device.
6374
6375 2008-04-07  Jan Hubicka  <jh@suse.cz>
6376
6377         * function.h (rtl): Rename to x_rtl.
6378         (crtl): New define.
6379         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
6380         frame_offset, stack_check_probe_note, arg_pointer_save_area,
6381         used_temp_slots avail_temp_slots, temp_slot_level,
6382         nonlocal_goto_handler_labels): Update accesstors.
6383         (rtl): New global variable.
6384         (struct function): Move some fileds to rtl_data.
6385         (get_arg_pointer_save_area): Update prototype.
6386         * builtins.c (expand_builtin_setjmp_receiver): Update call of
6387         get_arg_pointer_save_area.
6388         * expr.c (init_expr): Update
6389         * function.c (get_frame_size): Update
6390         (assign_stack_local): Update
6391         (expand_function_end): Update.
6392         (get_art_pointer_save_area): Update
6393         * function.h 
6394         * emit-rtl.c (rtl): Declare.
6395         (regno_reg_rtx): Declare.
6396         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
6397         Update.
6398         (gen_reg_rtx): Update.
6399         * varasm.c (n_deferred_constatns): Update accestor.
6400         (init_varasm_status): Do not allocate varasm_status.
6401         (force_const_mem, get_pool_size, output_constant_pool): Update.
6402         * stmt.c (force_label_rtx): Do not use x_ prefixes.
6403         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
6404         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Update.
6405         * sparc/sparc.h (INIT_EXPANDERS): Update.
6406         * ia64/ia64.h (INIT_EXPANDERS): Update.
6407
6408 2008-04-07  James E. Wilson  <wilson@tuliptree.org>
6409
6410         * reload.c (push_secondary_reload): Add missing break to for loop.
6411
6412 2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
6413
6414         PR middle-end/PR28690
6415         * rtlanal.c: Update copyright years.
6416         (commutative_operand_precedence): Give SYMBOL_REF's the same precedence
6417         as REG_POINTER and MEM_POINTER operands.
6418         * emit-rtl.c (gen_reg_rtx_and_attrs): New function.
6419         (set_reg_attrs_from_value): Call mark_reg_pointer as appropriate.
6420         * rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function.
6421         * gcse.c: Update copyright years.
6422         (pre_delete): Call gen_reg_rtx_and_attrs.
6423         (hoist_code): Likewise.
6424         (build_store_vectors): Likewise.
6425         (delete_store): Likewise.
6426         * loop-invariant.c (move_invariant_reg): Likewise.
6427         Update copyright years.
6428
6429 2008-04-07  Uros Bizjak  <ubizjak@gmail.com>
6430
6431         * config/i386/i386.md ("*sse_prologue_save_insn"): Use braced output
6432         control string instead of quoted.
6433
6434 2008-04-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
6435
6436         * doc/rtl.texi: Rewrite of subreg section.
6437
6438 2008-04-07  Kai Tietz  <kai.tietz@onevision.com>
6439
6440         PR/35842
6441         * config/i386/i386.c (legitimize_pic_address): Add treating
6442         of dllimport SYM_REF's.
6443         (legitimize_dllimport_symbol): Add prototype.
6444
6445 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
6446
6447         * fold-const.c (fold) <ARRAY_REF>: New case.  Try to fold constant
6448         reference in constructor with non self-referential type.
6449
6450 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
6451
6452         Removal of Return with Depressed Stack Pointer support
6453         * tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete.
6454         (ECF_SP_DEPRESSED): Likewise.
6455         (ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust.
6456         * calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED.
6457         (flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED.
6458         (expand_call): Do not test ECF_SP_DEPRESSED.
6459         * dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED.
6460         * function.c (keep_stack_depressed): Delete.
6461         (handle_epilogue_set): Likewise.
6462         (update_epilogue_consts): Likewise.
6463         (emit_equiv_load): Likewise.
6464         (thread_prologue_and_epilogue_insns): Remove support for Return with
6465         Depressed Stack Pointer.
6466         * print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED.
6467
6468 2008-04-06  Richard Guenther  <rguenther@suse.de>
6469
6470         PR tree-optimization/35400
6471         * tree-vrp.c (vrp_evaluate_conditional): Only query value-range
6472         information from SSA_NAMEs.
6473
6474 2008-04-06  Anatoly Sokolov <aesok@post.ru>
6475
6476         * config/avr/avr.h (avr_mega_p): Remove declaration.
6477         (AVR_MEGA): Remove macro.
6478         * config/avr/avr.c (avr_mega_p): Remove variable.
6479         (avr_override_options): Remove inicializion of avr_mega_p.
6480         Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
6481         (print_operand): Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
6482         (avr_jump_mode): (Ditto.).
6483         (avr_output_progmem_section_asm_op): (Ditto.).
6484         (avr_asm_init_sections): (Ditto.).
6485         (avr_asm_init_sections): (Ditto.).
6486         (avr_rtx_costs): (Ditto.).
6487         * config/avr/avr.md: (Ditto.).
6488         * config/avr/avr.h: Use '__AVR_HAVE_JMP_CALL__' instead of 
6489         '__AVR_MEGA__'.
6490
6491 2008-04-06  Richard Guenther  <rguenther@suse.de>
6492
6493         PR tree-optimization/35842
6494         * tree-ssa-address.c (fixed_address_object_p): Adjust to match
6495         is_gimple_invariant_address.
6496
6497 2008-04-06  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
6498
6499         * gcc.c (default_compilers): Sync Fortran extensions list with
6500         that in fortran/lang-specs.h.
6501         * doc/invoke.texi: Likewise.
6502         * dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
6503         * dwarf2out.c (gen_compile_unit_die): Likewise.
6504
6505 2008-04-06  Tom G. Christensen  <tgc@jupiterrise.com>
6506
6507         * gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &.
6508
6509 2008-04-05  Uros Bizjak  <ubizjak@gmail.com>
6510
6511         PR target/12329
6512         * config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
6513         attribute is used for nested functions.
6514
6515 2008-04-05  Jan Hubicka  <jh@suse.cz>
6516
6517         * emit-rtl.c (init_emit): xcalloc regno_pointer_align.
6518
6519         * tree-dump.c (dump_enable_all): Remove prototype; do not accept
6520         letter argument.
6521         (dump_files): Update.
6522         (enable_rtl_dump_file): Do not accept letter argument.
6523         * tree-pass.h (dump_file_info): Remove letter argument.
6524         * toplev.c (decode_d_option): Update -da handling.
6525         * toplev.h (enable_rtl_dump_file): Update prototype.
6526         * passes.c (register_one_dump_file): Do not accept IPA argument; work
6527         it out based on pass type.
6528         (register_dump_files_1): Likewise.
6529         (init_optimization_passes): Update register_one_dump_file calls.
6530         (execute_one_pass): Sanity check that IPA passes are called at IPA
6531         level and RTL passes at RTL level.
6532         (execute_pass_list): IPA pass can not be after or subpass of
6533         GIMPLE/RTL pass.
6534         (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
6535         disallov RTL subpasses of IPA subpasses.
6536
6537 2008-04-05  Ben Elliston  <bje@au.ibm.com>
6538
6539         * tree-cfg.c (need_fake_edge_p): Return false for calls to
6540         builtins that return exactly once and do not throw. Cache call to
6541         call_expr_flags.
6542
6543 2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>
6544
6545         PR rtl-optimization/34916
6546         PR middle-end/35519
6547         * combine.c (create_log_links): Do not create duplicate LOG_LINKS
6548         between instruction pairs.
6549
6550 2008-04-04  Naveen.H.S  <naveen.hs@kpitcummins.com>
6551
6552         * doc/invoke.texi: Document -mbitops for SH.
6553         * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
6554         * config/sh/predicates.md (bitwise_memory_operand): New predicate.
6555         * config/sh/sh.c (print_operand): Add %t operand code.
6556         * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
6557         * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
6558         (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
6559         (extendqihi2): Likewise.
6560         (movqi_i): Likewise.
6561         (insv): Use bset, bclr and bst instructions for SH2A if possible.
6562         (extv): Use bld instruction for SH2A if possible.
6563         (extzv): Likewise.
6564         (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
6565         bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
6566         bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
6567         (bset.b, bclr.b): Define peepholes.
6568         * config/sh/sh.opt (mbitops): New option.
6569
6570 2008-04-04  Janis Johnson  <janis187@us.ibm.com>
6571
6572         PR target/35620
6573         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
6574         and view convert expression.
6575
6576 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
6577
6578         PR target/35364
6579         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
6580
6581 2008-04-04  H.J. Lu  <hongjiu.lu@intel.com>
6582
6583         * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.
6584
6585         * config/i386/cpuid.h (bit_AES): New.
6586         (bit_PCLMUL): Likewise.
6587
6588         * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
6589         (override_options): Handle PTA_AES and PTA_PCLMUL.  Enable
6590         SSE2 if AES or PCLMUL is enabled.
6591         (ix86_builtins): Add IX86_BUILTIN_AESENC128,
6592         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
6593         IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
6594         IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
6595         (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
6596         (bdesc_2arg): Add IX86_BUILTIN_AESENC128,
6597         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
6598         IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
6599         (bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
6600         (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
6601         __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
6602         __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
6603         __builtin_ia32_aeskeygenassist128 and
6604         __builtin_ia32_pclmulqdq128.
6605         * config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
6606         (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
6607         IX86_BUILTIN_PSRLDQI128.  Handle IX86_BUILTIN_AESKEYGENASSIST128.
6608
6609         * config/i386/i386.h (TARGET_AES): New.
6610         (TARGET_PCLMUL): Likewise.
6611         (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.
6612
6613         * config/i386/i386.md (UNSPEC_AESENC): New.
6614         (UNSPEC_AESENCLAST): Likewise.
6615         (UNSPEC_AESDEC): Likewise.
6616         (UNSPEC_AESDECLAST): Likewise.
6617         (UNSPEC_AESIMC): Likewise.
6618         (UNSPEC_AESKEYGENASSIST): Likewise.
6619         (UNSPEC_PCLMUL): Likewise.
6620
6621         * config/i386/i386.opt (maes): New.
6622         (mpclmul): Likewise.
6623
6624         * config/i386/sse.md (aesenc): New pattern.
6625         (aesenclast): Likewise.
6626         (aesdec): Likewise.
6627         (aesdeclast): Likewise.
6628         (aesimc): Likewise.
6629         (aeskeygenassist): Likewise.
6630         (pclmulqdq): Likewise.
6631
6632         * config/i386/wmmintrin.h: New.
6633
6634         * doc/extend.texi: Document AES and PCLMUL built-in function.
6635
6636         * doc/invoke.texi: Document -maes and -mpclmul.
6637
6638 2008-04-04  Paolo Bonzini  <bonzini@gnu.org>
6639
6640         * function.c (free_after_parsing): Replace with
6641         cxx_push_function_context from C++ front-end.
6642         (allocate_struct_function): Don't call langhook.
6643         * langhooks.h (struct lang_hooks_for_functions): Delete.
6644         (struct lang_hooks): Add back missing_noreturn_ok_p here, delete
6645         member "function".
6646         * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
6647         (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
6648         LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
6649         LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
6650         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
6651         remove LANG_HOOKS_FUNCTION_INITIALIZER.
6652         * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.
6653
6654         * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
6655         Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
6656         
6657 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
6658
6659         PR c/35440
6660         * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
6661         for all types.
6662
6663 2008-04-04  Richard Guenther  <rguenther@suse.de>
6664
6665         PR middle-end/35823
6666         * fold-const.c (optimize_minmax_comparison): Use the correct
6667         type for the constant in the simplified comparison.
6668
6669 2008-04-04  Zuxy Meng <zuxy.meng@gmail.com>
6670
6671         * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
6672         Pass L2 size as "--param l2-cache-size" to the compiler.
6673         (decode_l2_cache): New function to decode L2 cache parameters using
6674         0x8000006 extended cpuid function.
6675         (detect_caches_amd): Determine parameters of L2 cache using
6676         decode_l2_caches function.
6677         (decode_caches_intel): Decode L2 cache parameters.
6678         (detect_caches_intel): Determine L2 cache parameters using
6679         decode_caches_intel and decode_l2_caches functions.
6680
6681 2008-04-03  Bob Wilson  <bob.wilson@acm.org>
6682
6683         * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
6684         secondary input reload for subword loads from the constant pool.
6685
6686 2008-04-03  Janis Johnson  <janis187@us.ibm.com>
6687
6688         PR target/35713
6689         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
6690           constants of the appropriate size for runtime calculations.
6691
6692         PR c/35712
6693         * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
6694           decimal-float literal constant zero.
6695
6696 2008-04-03  Jakub Jelinek  <jakub@redhat.com>
6697
6698         PR c/35738
6699         * c-parser.c (c_parser_omp_atomic): Call
6700         default_function_array_conversion on the RHS.
6701
6702         PR middle-end/35818
6703         * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
6704         call is_variable_sized if decl has incomplete type.
6705
6706 2008-04-03  H.J. Lu  <hongjiu.lu@intel.com>
6707
6708         * config/i386/i386-protos.h (ix86_aligned_p): Removed.
6709
6710 2008-04-03  Adam Nemet  <anemet@caviumnetworks.com>
6711
6712         * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
6713         iterators.
6714         (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and leu.
6715         (sgt<u>): Merge sgt and sgtu into new expander.
6716         (sgt, sgtu): Remove expanders.
6717         (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new pattern.
6718         (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
6719         (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
6720         *sgtu_<mode>_mips16 into new pattern.
6721         (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
6722         (sge<u>): Merge sge and sgeu into new expander.
6723         (sge, sgeu): Remove expanders.
6724         (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
6725         new pattern.
6726         (*sge_<mode>, second *sge_<mode>): Remove patterns.
6727         (slt<u>): Merge slt and sltu into new expander.
6728         (slt, sltu): Remove expanders.
6729         (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new pattern.
6730         (*slt_<mode>, *sltu_<mode>): Remove patterns.
6731         (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
6732         *sltu_<mode>_mips16 into new pattern.
6733         (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
6734         (sle<u>): Merge sle and sleu into new expander.
6735         (sle, sleu): Remove expanders.
6736         (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new pattern.
6737         (*sle_<mode>, *sleu_<mode>): Remove patterns.
6738         (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
6739         *sleu_<mode>_mips16 into new pattern.
6740         (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
6741
6742 2008-04-03  Jan Hubicka  <jh@suse.cz>
6743
6744         PR tree-optimization/35795
6745         * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
6746         * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
6747         * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
6748         * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
6749         * score/score3.c (score3_output_mi_thunk): Likewise.
6750         * score/score7.c (score7_output_mi_thunk): Likewise.
6751         * mips/mips.c (mips_output_mi_thunk): Likewise.
6752
6753 2008-04-03  Richard Guenther  <rguenther@suse.de>
6754
6755         * tree-vrp.c (extract_range_from_unary_expr): Handle all
6756         conversions.  Simplify code.
6757
6758 2008-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
6759
6760         * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
6761
6762 2008-04-03  Tom Tromey  <tromey@redhat.com>
6763             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6764
6765         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
6766         * config/bfin/t-bfin-linux (generated_files): Add
6767         linux-sysroot-suffix.h.
6768         * doc/install.texi (Prerequisites): Require make 3.80.
6769         * doc/sourcebuild.texi (Front End Directory): Document new
6770         variable.
6771         * Makefile.in (generated_files): New variable.
6772         (ALL_HOST_OBJS): New variable.
6773         ($(ALL_HOST_OBJS)): New target.
6774
6775 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
6776
6777         * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
6778         (remap_block): Call id->transform_lang_insert_block instead
6779         of langhook.
6780         (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
6781         Set id.transform_lang_insert_block to NULL.
6782         (clone_body): Move to cp/optimize.c
6783         * tree-inline.h (struct copy_body_data): Change
6784         transform_lang_insert_block to function pointer.
6785         (copy_generic_body, copy_decl_no_change): Export.
6786         * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
6787         * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
6788         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
6789
6790         * c-tree.h (insert_block): Kill.
6791         * c-decl.c (insert_block): Kill.
6792
6793 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
6794
6795         * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
6796         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
6797         * c-tree.h (c_push_function_context, c_pop_function_context): Remove
6798         argument.
6799         * c-decl.c (c_push_function_context, c_pop_function_context): Remove
6800         argument, call {push,pop}_function_context from here.
6801         * c-parser.c: Use c_{push,pop}_function_context.
6802
6803         * function.c (push_function_context_to): Move meat ...
6804         (push_function_context): ... here.  Simplify.
6805         * function.c (pop_function_context_from): Move meat ...
6806         (pop_function_context): ... here.  Simplify.
6807         * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
6808         leave_nested).
6809         * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
6810         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
6811         (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
6812         * tree.h (push_function_context_to, pop_function_context_from): Remove.
6813
6814 2008-04-03  Ben Elliston  <bje@au.ibm.com>
6815
6816         * expmed.c (extract_force_align_mem_bit_field): Remove.
6817
6818 2008-04-03  Richard Guenther  <rguenther@suse.de>
6819
6820         PR middle-end/35800
6821         * expr.h (try_casesi): Adjust prototype.
6822         * expr.c (try_casesi): Take fallback label as extra parameter.
6823         Use that for gen_casesi if default_label is NULL.
6824         * stmt.c (expand_case): Pass fallback label to try_casesi,
6825         make sure to fill gaps with a fallback label if default_label
6826         is not present.
6827
6828 2008-04-03  Dominique d'Humieres <dominiq@lps.ens.fr>
6829
6830         PR target/35801
6831         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
6832
6833 2008-04-03  Ben Elliston  <bje@au.ibm.com>
6834
6835         * expmed.c (extract_split_bit_field): Remove if (0) code.
6836         * tree-ssa-structalias.c (do_sd_constraint): Likewise.
6837         (do_ds_constraint): Likewise.
6838
6839 2008-04-02  Joseph Myers  <joseph@codesourcery.com>
6840
6841         * doc/cppopts.texi (-dU): Document.
6842         * c-common.h (flag_dump_macros): Update comment.
6843         * c-opts.c (handle_OPT_d): Handle -dU.
6844         * c-ppoutput.c (macro_queue, define_queue, undef_queue,
6845         dump_queued_macros, cb_used_define, cb_used_undef): New.
6846         (init_pp_output): Handle -dU.
6847         (cb_line_change): Call dump_queued_macros.
6848         * toplev.c (decode_d_option): Accept -dU as preprocessor option.
6849
6850 2008-04-02  Anatoly Sokolov <aesok@post.ru>
6851
6852         * config/avr/predicates.md (io_address_operand): New predicate. 
6853         * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
6854         * config/avr/avr.c (avr_io_address_p): Remove function.
6855         (out_movqi_r_mr): Use 'io_address_operand' predicate instead of 
6856         'avr_io_address_p' function.
6857         (out_movhi_r_mr): (Ditto.).
6858         (out_movqi_mr_r): (Ditto.).
6859         (out_movhi_mr_r): (Ditto.).
6860         (avr_address_cost): (Ditto.).
6861
6862 2008-04-02  Uros Bizjak  <ubizjak@gmail.com>
6863
6864         * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
6865         Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
6866         in 32bit mode when XMM registers are available to avoid store
6867         forwarding stalls.
6868         (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
6869         corresponding post-reload splitters.
6870
6871 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
6872
6873         * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
6874         and __builtin_ia32_shufpd.  Provide __builtin_ia32_roundsd and
6875         __builtin_ia32_roundss.
6876         (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
6877         __builtin_ia32_shufpd, __builtin_ia32_roundsd and
6878         __builtin_ia32_roundss.
6879         (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
6880         IX86_BUILTIN_SHUFPD here.
6881
6882 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
6883
6884         * config/i386/i386.md (plogic): New.
6885         (plogicprefix): Likewise.
6886
6887         * config/i386/mmx.md (mmx_<code><mode>3): New.
6888         (mmx_and<mode>3): Removed.
6889         (mmx_ior<mode>3): Likewise.
6890         (mmx_xor<mode>3): Likewise.
6891
6892         * config/i386/sse.md (<code><mode>3): New.
6893         (*<code><mode>3): Likewise.
6894         (*<code><mode>3): Likewise.
6895         (<code><mode>3): Likewise.
6896         (*sse_<code><mode>3): Likewise.
6897         (*sse2_<code><mode>3): Likewise.
6898         (<code>tf3): Likewise.
6899         (*<code>tf3): Likewise.
6900         (and<mode>3): Likewise.
6901         (*and<mode>3): Likewise.
6902         (ior<mode>3): Removed.
6903         (*ior<mode>3): Likewise.
6904         (xor<mode>3): Likewise.
6905         (*xor<mode>3): Likewise.
6906         (*and<mode>3): Likewise.
6907         (*ior<mode>3): Likewise.
6908         (*xor<mode>3): Likewise.
6909         (and<mode>3): Likewise.
6910         (*sse_and<mode>3): Likewise.
6911         (*sse2_and<mode>3): Likewise.
6912         (andtf3): Likewise.
6913         (*andtf3): Likewise.
6914         (ior<mode>3): Likewise.
6915         (*sse_ior<mode>3): Likewise.
6916         (*sse2_ior<mode>3): Likewise.
6917         (iortf3): Likewise.
6918         (*iortf3): Likewise.
6919         (xor<mode>3): Likewise.
6920         (*sse_xor<mode>3): Likewise.
6921         (*sse2_xor<mode>3): Likewise.
6922         (xortf3): Likewise.
6923         (*xortf3): Likewise.
6924
6925 2008-04-02  Richard Guenther  <rguenther@suse.de>
6926
6927         PR tree-optimization/14495
6928         PR tree-optimization/34793
6929         * tree-vrp.c (struct switch_update): New structure.
6930         (to_remove_edges, to_update_switch_stmts): New VECs.
6931         (simplify_switch_using_ranges): New function.  Remove not taken
6932         case labels and edges.
6933         (simplify_stmt_using_ranges): Call it.
6934         (identify_jump_threads): Mark edges we have queued for removal
6935         so we don't thread them.
6936         (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
6937         case label vector.
6938         * tree-cfg.c (group_case_labels): Deal with missing default label.
6939         (tree_verify_flow_info): Allow missing default label.
6940         * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
6941         (emit_case_nodes): Likewise.
6942         (expand_case): Do not rely on the default label to be present.
6943         * expr.c (try_casesi): Deal with NULL default_label.
6944         (do_tablejump): Likewise.
6945
6946 2008-04-02  Richard Guenther  <rguenther@suse.de>
6947
6948         PR tree-optimization/14495
6949         * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
6950         SWITCH_EXPR here ...
6951         (vrp_visit_switch_stmt): ... but here (new function).
6952         (find_case_label_index): New helper function.
6953         (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
6954
6955 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
6956
6957         * fwprop.c: Fix ISO-C99ism.
6958
6959 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
6960
6961         PR bootstrap/35752
6962         * Makefile.in (objdir): Set it here.
6963         * configure.ac: Not here.  Find dynamic linker characteristics.
6964         * exec-tool.in: Use them.
6965         * aclocal.m4: Regenerate.
6966         * configure: Regenerate.
6967
6968 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
6969
6970         * expr.c (expand_var): Delete it.
6971         * expr.h (expand_var): Delete prototype.
6972         * function.c (expand_function_start): Use expand_decl instead.
6973         * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
6974         langhook.
6975
6976 2008-04-02  Andy Hutchinson <hutchinsonamdy@aim.com>
6977
6978         PR rtl-optimization/35542
6979         * fwprop.c (forward_propagate_and_simplify): Replace
6980         loc_reg_mentioned_in_p with reg_mentioned_p.
6981
6982 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
6983
6984         PR rtl-optimization/35281
6985         * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
6986         (propagate_rtx_1): Handle PR_HANDLE_MEM.
6987         (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
6988         (varying_mem_p): Move above propagate_rtx.
6989         (all_uses_available_at): Do not check MEMs.
6990
6991 2008-04-02  Rafael Espindola  <espindola@google.com>
6992
6993         * tree-vrp.c (extract_code_and_val_from_cond): Remove.
6994         (register_edge_assert_for_2): Split the cond argument.
6995         (register_edge_assert_for_1): Adjust for the change in
6996         register_edge_assert_for_2.
6997         (register_edge_assert_for): Split the cond argument.
6998         (find_switch_asserts): Adjust for the change in
6999         register_edge_assert_for.
7000
7001 2008-04-02  Kai Tietz  <kai.tietz@onevision.com>
7002
7003         * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
7004         * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
7005         offsets for 64-bit mingw.
7006         * config/i386/i386.c (ix86_pass_by_reference): Correct calling
7007         abi for x86_64-pc-mingw.
7008
7009 2008-04-02  Richard Guenther  <rguenther@suse.de>
7010
7011         * tree-vrp.c (extract_range_from_assert): Make sure to not
7012         produce range min/max with TREE_OVERFOW set.
7013         If merging a anti-range and a range keep the anti-range if
7014         the range covers all values of the type.
7015         (register_edge_assert_for_2): Only allow sign-changing
7016         conversions in detecting canonical range checks.  Also
7017         register an assert for the unsigned name if useful.
7018
7019         PR tree-optimization/35787
7020         * tree-vrp.c (vrp_val_max): New function.
7021         (vrp_val_min): Likewise.
7022         (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
7023         (vrp_val_is_min): Likewise.
7024         (supports_overflow_infinity): Use vrp_val_{min,max}.
7025         (negative_overflow_infinity): Likewise.
7026         (positive_overflow_infinity): Likewise.
7027         (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
7028         (is_positive_overflow_infinity): Likewise.
7029         (is_overflow_infinity): Likewise.
7030         (avoid_overflow_infinity): Use vrp_val_{min,max} and
7031         vrp_val_is_{min,max}.
7032         (set_and_canonicalize_value_range): Canonicalize anti-ranges
7033         to ranges if possible.  Avoid empty ranges.
7034
7035 2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7036
7037         PR middle-end/35705
7038         * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
7039         the expression is a function address.
7040
7041 2008-04-01  George Helffrich  <george@gcc.gnu.org>
7042
7043         PR fortran/35154, fortran/23057
7044         * dbxout.c: Emit .stabs debug info for Fortran COMMON block
7045         variables as base symbol name + offset using N_BCOMM/N_ECOMM.
7046         (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
7047         (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
7048         in common.
7049         (dbxout_syms): Check for COMMON-based symbol and wrap in
7050         N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
7051         in bracket for efficiency.
7052
7053         * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
7054         using DW_TAG_common_block + member offset.
7055         (add_pubname_string): New function.
7056         (dw_expand_expr): New function to find block name and offset for
7057         COMMON var.
7058         (common_check): New function to check whether symbol in Fortran COMMON.
7059         (gen_variable_die): If COMMON, use DW_TAG_common_block.
7060
7061 2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>
7062
7063         PR c/35436
7064         * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
7065
7066 2008-04-02  Ben Elliston  <bje@au.ibm.com>
7067
7068         * config/v850/v850.md (casesi): Remove if (0) code.
7069         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
7070         * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
7071
7072 2008-04-01  Uros Bizjak  <ubizjak@gmail.com>
7073
7074         * config/i386/i386.md (rex64suffix): New mode attribute.
7075         (floathi<mode>2): Disable expander for SSE math.
7076         (*floathi<mode>2_1): New insn insn_and_split pattern.
7077         (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
7078         corresponding post-reload splitters.
7079         (*floathi<mode>2_i387): New macroized insn pattern.
7080         (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
7081         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
7082         insn_and_split pattern.
7083         (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
7084         New macroized instruction patterns and corresponding post-reload
7085         splitters.
7086         (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
7087         and corresponding post-reload splitters.
7088         (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
7089         New macroized instruction patterns.
7090         (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
7091         macroized instruction patterns and corresponding post-reload splitters.
7092         (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
7093         corresponding post-reload splitters.
7094         (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
7095         New macroized instruction patterns.
7096         (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
7097         corresponding post-reload splitters.
7098         (*floatsi<mode>2_i387): New macroized instruction patterns.
7099
7100 2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>
7101
7102         * config/i386/i386.md (smaxmin): New.
7103         (umaxmin): Likewise.
7104         (maxminiprefix): Likewise.
7105         (maxminfprefix): Likewise.
7106         (<code><mode>3): Likewise.
7107         (smin<mode>3): Removed.
7108         (smax<mode>3): Likewise.
7109
7110         * config/i386/mmx.md (mmx_<code>v2sf3): New.
7111         (mmx_<code>v4hi3): Likewise.
7112         (mmx_<code>v8qi3): Likewise.
7113         (mmx_smaxv2sf3): Removed.
7114         (mmx_sminv2sf3): Likewise.
7115         (mmx_umaxv8qi3): Likewise.
7116         (mmx_smaxv4hi3): Likewise.
7117         (mmx_uminv8qi3): Likewise.
7118         (mmx_sminv4hi3): Likewise.
7119
7120         * config/i386/sse.md (<addsub><mode>3): New.
7121         (*<addsub><mode>3): Likewise.
7122         (<sse>_vm<addsub><mode>3): Likewise.
7123         (<maxmin><mode>3): Likewise.
7124         (*<maxmin><mode>3_finite): Likewise.
7125         (*<maxmin><mode>3): Likewise.
7126         (<sse>_vm<maxmin><mode>3): Likewise.
7127         (sse3_h<addsub>v4sf3): Likewise.
7128         (sse3_h<addsub>v2df3): Likewise.
7129         (<maxmin>v16qi3): Likewise.
7130         (*<maxmin>v16qi3): Likewise.
7131         (<maxmin>v8hi3): Likewise.
7132         (*<maxmin>v8hi3): Likewise.
7133         (*sse4_1_<maxmin><mode>3): Likewise.
7134         (*sse4_1_<maxmin><mode>3): Likewise.
7135         (add<mode>3): Removed.
7136         (*add<mode>3): Likewise.
7137         (<sse>_vmadd<mode>3): Likewise.
7138         (sub<mode>3): Likewise.
7139         (*sub<mode>3): Likewise.
7140         (<sse>_vmsub<mode>3): Likewise.
7141         (smin<mode>3): Likewise.
7142         (*smin<mode>3_finite): Likewise.
7143         (*smin<mode>3): Likewise.
7144         (<sse>_vmsmin<mode>3): Likewise.
7145         (smax<mode>3): Likewise.
7146         (*smax<mode>3_finite): Likewise.
7147         (*smax<mode>3): Likewise.
7148         (<sse>_vmsmax<mode>3): Likewise.
7149         (sse3_haddv4sf3): Likewise.
7150         (sse3_haddv2df3): Likewise.
7151         (sse3_hsubv4sf3): Likewise.
7152         (sse3_hsubv2df3): Likewise.
7153         (umaxv16qi3): Likewise.
7154         (*umaxv16qi3): Likewise.
7155         (smaxv8hi3): Likewise.
7156         (*smaxv8hi3): Likewise.
7157         (*sse4_1_smax<mode>3): Likewise.
7158         (*sse4_1_umax<mode>3): Likewise.
7159         (uminv16qi3): Likewise.
7160         (*uminv16qi3): Likewise.
7161         (sminv8hi3): Likewise.
7162         (*sminv8hi3): Likewise.
7163         (*sse4_1_smin<mode>3): Likewise.
7164         (*sse4_1_umin<mode>3): Likewise.
7165
7166 2008-04-01  Rafael Espindola  <espindola@google.com>
7167
7168         * tree-cfg.c (verify_expr): remove in_phi.
7169         (verify_stmt): Don't call walk_tree with verify_expr. Use
7170         is_gimple_min_invariant instead of is_gimple_val.
7171
7172 2008-04-01  Joseph Myers  <joseph@codesourcery.com>
7173
7174         * doc/include/gpl_v3.texi: Update for manpage generation.
7175         * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
7176         gpl.texi.
7177         * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
7178         * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
7179         gpl_v3.texi instead of gpl.texi.
7180         (gpl.pod): New.
7181
7182 2008-04-01  Jakub Jelinek  <jakub@redhat.com>
7183
7184         PR pch/13675
7185         * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
7186
7187 2008-04-01  Rafael Espindola  <espindola@google.com>
7188
7189         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
7190         (extract_code_and_val_from_cond): Use
7191         extract_code_and_val_from_cond_with_ops.
7192
7193 2008-04-01  Jan Hubicka  <jh@suse.cz>
7194
7195         * function.c (free_after_compilation): Free epilogue_delay_list.
7196         (prepare_function_start): Assert that previous compilation was freed.
7197
7198 2008-04-01  Jan Hubicka  <jh@suse.cz>
7199             Jim Wilson  <wilson@tuliptree.org>
7200             Andreas Tobler <andreast@gcc.gnu.org>
7201
7202         PR middle-end/35781
7203         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
7204         rtl.emit instead cfun->emit.
7205         * sparc/sparc.h (INIT_EXPANDERS): Likewise.
7206         * ia64/ia64.h (INIT_EXPANDERS): Likewise.
7207
7208 2008-04-01  Ben Elliston  <bje@au.ibm.com>
7209
7210         * doc/c-tree.texi (Function Basics): Fix grammatical error.
7211
7212 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
7213
7214         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
7215         New options
7216         (fprofile-use): Add var flag_profile_use
7217         * coverage.c (coverage_begin_output): Do not open a gcno file for
7218         output only if -ftest-coverage is set.
7219         Do not add getpwd() to gcda file path.
7220         (build_gcov_info): Check the new flag
7221         flag_profile_datafile_relative_path.
7222         (coverage_init): Use profile_data_prefix.
7223         Read profile counter only if flag_profile_use is set.
7224         * opts.c (common_handle_option): New option fprofile-use=,
7225         fprofile-dir=, fprofile-generate=.
7226         * toplev.c (profile_data_prefix): New variable definition.
7227         * toplev.h (profile_data_prefix): New declaration.
7228         * doc/invoke.tex (Option Summary, Optimization Options):
7229         Add new options.
7230
7231 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
7232
7233         * varasm.c (output_constant_pool_1): In LABEL_REF check,
7234         use tmp consistently.
7235
7236         PR target/35695
7237         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
7238         * config/ia64/ia64.c (rtx_needs_barrier): Handle
7239         UNSPEC_FR_RECIP_APPROX_RES.
7240         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
7241
7242 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
7243
7244         PR c/35750
7245         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
7246
7247 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7248
7249         PR middle-end/30186
7250         * fold-const.c (fold_indirect_ref_1): Support accessing non first
7251         element of the vector via a pointer.
7252
7253 2008-03-31  Ian Lance Taylor  <iant@google.com>
7254
7255         * tlink.c (scan_linker_output): Look for symbol name in single quotes.
7256
7257 2008-03-31  Jan Hubicka  <jh@suse.cz>
7258
7259         * builtins.c (expand_builtin_setjmp_receiver): Update call of
7260         get_arg_pointer_save_area.
7261         * expr.c (init_expr): Just clear out rtl.expr.
7262         * function.c (free_after_compilation): Clear out whole RTL structure.
7263         (get_func_frame_size): Merge into ...
7264         (get_frame_size): ... this one.
7265         (assign_stack_local_1): Merge into ...
7266         (assign_stack_local): ... this one.
7267         (expand_function_end): Update call of get_arg_pointer_save_area.
7268         (get_art_pointer_save_area): Remove cfun argument.
7269         * function.h (emit_status): regno_pointer_align does not need length
7270         attribute. Move x_regno_reg_rtx to ...
7271         (regno_reg_rtx): ... new global array.
7272         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
7273         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
7274         apply_args_value, forced_labels, stack_pointer_delta):
7275         Update accestors.
7276         (struct varasm_status): Move here from varasm.c
7277         (struct rtl_data): New. Move here some fields from struct function.
7278         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
7279         frame_offset, stack_check_probe_note, arg_pointer_save_area,
7280         used_temp_slots avail_temp_slots, temp_slot_level,
7281         nonlocal_goto_handler_labels): Update accesstors.
7282         (rtl): New global variable.
7283         (struct function): Move some fileds to rtl_data.
7284         (get_arg_pointer_save_area): Update prototype.
7285         * emit-rtl.c (rtl): Declare.
7286         (regno_reg_rtx): Declare.
7287         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
7288         Update.
7289         (gen_reg_rtx): Update.
7290         (init_virtual_regs): Do not tate emit_status argument.
7291         (init_emit): Do not allocate emit.
7292         * varasm.c (varasm_statuc): Move to function.h.
7293         (n_deferred_constatns): Update accestor.
7294         (init_varasm_status): Do not allocate varasm_status.
7295         (force_const_mem, get_pool_size, output_constant_pool): Update.
7296         * stmt.c (force_label_rtx): Do not use x_ prefixes.
7297         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
7298
7299 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
7300
7301         PR rtl-optimization/35729
7302         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
7303         references.
7304
7305 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
7306
7307         PR target/32000
7308         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
7309         load/store if memory is unaligned.
7310         (*movti_rex64): Likewise.
7311
7312         * config/i386/predicates.md (misaligned_operand): New.
7313
7314 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
7315
7316         PR tree-opt/35431
7317         * tree-ssa-phiopt.c (conditional_replacement): Return early for
7318         complex types.
7319
7320 2008-03-31  Jan Beulich  <jbeulich@novell.com>
7321
7322         * config/ia64/constraints.md: Add 'j' constraint.
7323         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
7324         (movdi_internal): Likewise.
7325
7326 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
7327
7328         PR c/35748
7329         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
7330
7331 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
7332
7333         PR target/35757
7334         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
7335         proper error message for the third argument on blendpd and
7336         blendps.
7337
7338         * config/i386/sse.md (blendbits): New.
7339         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
7340
7341 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
7342
7343         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
7344
7345 2008-03-30  Richard Guenther  <rguenther@suse.de>
7346
7347         PR middle-end/31023
7348         * fold-const.c (fold_sign_changed_comparison): Do leave
7349         conversions to base-types alone.
7350
7351 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7352
7353         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
7354         the link register if one altivec register is be saved.
7355
7356 2008-03-30  Ben Elliston  <bje@au.ibm.com>
7357
7358         * final.c (final_scan_insn): Remove if (0) code.
7359
7360 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
7361
7362         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
7363
7364 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
7365
7366         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
7367         of V4SFmode to ix86_binary_operator_ok.
7368
7369 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
7370
7371         * config/i386/i386.c (override_options): Initialize
7372         ix86_veclib_handler to ix86_veclibabi_svml when
7373         -mveclibabi=svml is used.
7374         (ix86_veclibabi_svml): New function for SVML ABI style
7375         vectorization support.
7376         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
7377
7378 2008-03-28  Rafael Espindola  <espindola@google.com>
7379
7380         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
7381         (tree_binary_nonnegative_warnv_p): Make it public.
7382         (tree_single_nonnegative_warnv_p): Make it public.
7383         (tree_invalid_nonnegative_warnv_p): Make it public.
7384         (tree_unary_nonzero_warnv_p): Make it public.
7385         (tree_binary_nonzero_warnv_p): Make it public
7386         (tree_single_nonzero_warnv_p): Make it public.
7387         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
7388         (extract_range_from_binary_expr): Split the expr argument.
7389         (extract_range_from_unary_expr): Split the expr argument.
7390         (extract_range_from_comparison): Split the expr argument.
7391         (extract_range_from_expr): Use the new aux functions.
7392         (vrp_evaluate_conditional_warnv): Use
7393         vrp_evaluate_conditional_warnv_with_ops.
7394         * tree.h (tree_unary_nonzero_warnv_p): Declare.
7395         (tree_binary_nonzero_warnv_p): Declare.
7396         (tree_single_nonzero_warnv_p): Declare.
7397         (tree_expr_nonzero_warnv_p): Declare.
7398         (tree_unary_nonnegative_warnv_p): Declare.
7399         (tree_binary_nonnegative_warnv_p): Declare.
7400         (tree_single_nonnegative_warnv_p): Declare.
7401         (tree_invalid_nonnegative_warnv_p): Declare.
7402
7403 2008-03-28  Richard Guenther  <rguenther@suse.de>
7404
7405         PR tree-optimization/30317
7406         PR tree-optimization/30911
7407         PR tree-optimization/34793
7408         * tree-vrp.c (set_and_canonicalize_value_range): New function.
7409         (struct assert_locus_d): New member EXPR.
7410         (register_new_assert_for): Add EXPR parameter to support
7411         ASSERT_EXPR <name, expr OP limit>.
7412         (register_edge_assert_for_1): Adjust callers.
7413         (find_assert_locations): Likewise.
7414         (process_assert_insertions_for): Build condition from expression.
7415         (extract_range_from_assert): Handle ASSERT_EXPRs
7416         of the form ASSERT_EXPR <name, expr OP limit>.
7417         (register_edge_assert_for_2): New helper registering
7418         asserts for comparisons.  Recognize range tests of the form
7419         (unsigned)i - CST1 OP CST2.
7420         (register_edge_assert_for_1): Use it.
7421         (register_edge_assert_for): Likewise.
7422         (needs_overflow_infinity): Integer sub-types
7423         do not need overflow infinities.
7424         (vrp_val_is_max): The extreme values of integer sub-types
7425         are those of the base type.
7426         (vrp_val_is_min): Likewise.
7427         * tree.def (ASSERT_EXPR): Document extra allowed conditional
7428         expressions.
7429
7430 2008-03-28  Nick Clifton  <nickc@redhat.com>
7431
7432         PR target/31110
7433         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
7434         Return GENERAL_REGS for stack adjustment reloads.
7435
7436 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7437
7438         PR target/31334
7439         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
7440         const_vector when all the vectors are constant.
7441
7442 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
7443
7444         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
7445         comparisons.
7446         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
7447         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
7448         (scc_sf): New.
7449         (s<code>_sf): Use new scc_sf attribute for opcode names.
7450
7451 2008-03-27  Tom Tromey  <tromey@redhat.com>
7452
7453         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
7454         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
7455         config/spu/t-spu-elf, config/i386/t-interix,
7456         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
7457         config/i386/x-darwin, config/i386/x-mingw32,
7458         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
7459         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
7460         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
7461         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
7462         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
7463         config/rs6000/x-darwin, config/rs6000/t-rs6000,
7464         config/score/t-score-elf, config/arm/t-strongarm-pe,
7465         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
7466         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
7467         Revert automatic dependency patch.
7468
7469 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
7470
7471         PR target/35657
7472         * config/i386/i386.c (ix86_function_arg_boundary): Align
7473         decimal floating point to its natural boundary.
7474
7475 2008-03-27  Richard Guenther  <rguenther@suse.de>
7476
7477         PR middle-end/35716
7478         * fold-const.c (fold_comparison): Restrict distinct decl
7479         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
7480         solely rely on operand_equal_p.
7481
7482 2008-03-27  Richard Guenther  <rguenther@suse.de>
7483
7484         PR c/32511
7485         * c-common.c (handle_weak_attribute): Reject combination of
7486         weak and inline.
7487
7488 2008-03-27  Richard Guenther  <rguenther@suse.de>
7489
7490         PR tree-optimization/32810
7491         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
7492         conversions from DECL_INITIAL.
7493         (fold_const_aggregate_ref): Likewise from constructor elements.
7494
7495 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
7496
7497         * tree-affine.h (aff_combination_expand): Declare.
7498         (get_inner_reference_aff): Likewise.
7499         * tree-affine.c (aff_combination_expand): Split out from
7500         tree_to_aff_combination_expand.
7501         (get_inner_reference_aff): New function.
7502         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
7503         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
7504         (struct lim_aux_data): sm_done field removed.
7505         (mem_ref_loc_p, mem_ref_locs_p): New types.
7506         (struct mem_ref): Added id, stored, accesses_in_loop,
7507         indep_loop, dep_loop, indep_ref, dep_ref fields.
7508         Removed is_stored, locs and next fields.
7509         (memory_accesses): New variable.
7510         (movement_possibility): Do not allow moving statements
7511         that store to memory.
7512         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
7513         New functions.
7514         (determine_max_movement): For statements with memory references,
7515         find the outermost loop in that the reference is independent.
7516         (move_computations_stmt): Mark the virtual operands for renaming.
7517         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
7518         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
7519         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
7520         add_vop_ref_mapping, create_vop_ref_mapping_loop,
7521         create_vop_ref_mapping, analyze_memory_references,
7522         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
7523         get_all_locs_in_loop, ref_always_accessed_p,
7524         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
7525         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
7526         store_motion_loop, store_motion): New functions.
7527         (struct vop_to_refs_elt): New type.
7528         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
7529         memref_hash, memref_eq, hoist_memory_references): Rewritten.
7530         (schedule_sm): Replaced by...
7531         (execute_sm): ... this.
7532         (determine_lsm_ref, hoist_memory_references,
7533         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
7534         find_more_ref_vops, free_mem_ref, free_mem_refs,
7535         determine_lsm_loop, determine_lsm): Removed.
7536         (tree_ssa_lim_finalize): Free data structures used by store motion.
7537         (tree_ssa_lim): Call analyze_memory_references.  Use
7538         store_motion instead of determine_lsm.
7539
7540 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
7541
7542         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
7543         rename tmake_file to m68hc11/t-m68hc11.
7544         (mcore): Set inhibit_libc to true.
7545         * config.host (alpha*-dec-*vms*): Set extra_programs.
7546         (interix3*): Don't use host_xmake_file.
7547         * configure.ac: Let config.gcc override inhibit_libc.
7548         * configure: Regenerate.
7549
7550         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
7551         * config/t-openbsd-thread: Remove commented out lines.
7552         
7553         * config/x-interix: Remove.
7554
7555         * config/m68hc11/t-m68hc11-gas: Rename to...
7556         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
7557
7558         * config/mcore/t-mcore: Remove T_CFLAGS.
7559         * config/mcore/t-mcore-pe: Likewise.
7560
7561 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
7562
7563         * configure.ac: Replace custom __GNU_SOURCE test with
7564         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
7565         * aclocal.m4: Regenerate.
7566         * configure: Regenerate.
7567         * config.in: Regenerate.
7568
7569 2008-03-27  Richard Guenther  <rguenther@suse.de>
7570
7571         * fold-const.c (target.h): Include.
7572         (fold_comparison): Fold comparison of addresses of decls
7573         that bind locally or of constants.  Consolidate address folding code.
7574         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
7575         results from fold_binary_to_constant.
7576         (compare_values_warnv): Likewise.
7577
7578 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
7579
7580         PR middle-end/35429
7581         * fold-const.c (fold_truthop): Check for integeral types when folding
7582         a == 0 && b == 0 and a != 0 || b != 0 .
7583
7584 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
7585
7586         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
7587
7588 2008-03-26  Andreas Schwab  <schwab@suse.de>
7589
7590         * doc/invoke.texi: Fix use of @item vs. @itemx.
7591
7592 2008-03-26  Tom Tromey  <tromey@redhat.com>
7593
7594         * Makefile.in (build/gensupport.o, build/print-rtl.o,
7595         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
7596         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
7597         build/gencodes.o, build/genconditions.o, build/genconfig.o,
7598         build/genconstants.o, build/genemit.o, build/genextract.o,
7599         build/genflags.o, build/genmddeps.o, build/genopinit.o,
7600         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
7601         options.h.
7602
7603 2008-03-26  Richard Guenther  <rguenther@suse.de>
7604
7605         Revert
7606         2008-03-26  Richard Guenther  <rguenther@suse.de>
7607
7608         * fold-const.c (target.h): Include.
7609         (fold_comparison): Fold comparison of addresses of two decls
7610         that bind locally.  Consolidate address folding code.
7611
7612 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7613
7614         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
7615         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
7616         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
7617         dconstsqrt2, dconstthird, dconste and/or dconst10.
7618         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
7619         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
7620         dconstsqrt2, dconste): Delete.
7621         (init_emit_once): Likewise.  Simplify initializing dconstm1.
7622         Constify variable.
7623         * real.c (get_real_const): New.
7624         * real.h (dconst3, dconst10, dconstm2, dconstthird,
7625         dconstsqrt2, dconste): Delete.
7626         (real_value_const, get_real_const): New.
7627
7628 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
7629
7630         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
7631
7632         * config/i386/i386.c (ix86_function_arg_boundary): Check
7633         BIGGEST_ALIGNMENT instead of 128.
7634         (setup_incoming_varargs_64): Likewise.
7635
7636 2008-03-26  Tom Tromey  <tromey@redhat.com>
7637
7638         * Makefile.in (DEPFILES): Add missing '/'.
7639
7640 2008-03-26  Richard Guenther  <rguenther@suse.de>
7641
7642         * fold-const.c (target.h): Include.
7643         (fold_comparison): Fold comparison of addresses of two decls
7644         that bind locally.  Consolidate address folding code.
7645
7646 2008-03-26  Nick Clifton  <nickc@redhat.com>
7647
7648         PR target/31232
7649         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
7650         not allow INT+INT as a legitimate addressing mode.
7651
7652 2008-03-26  Richard Guenther  <rguenther@suse.de>
7653
7654         * tree-flow.h (widen_bitfield): Remove declaration.
7655         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
7656         (widen_bitfield): Remove function.
7657         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
7658         code.
7659
7660 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7661
7662         PR target/31558
7663         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
7664         error_mark_node's.
7665
7666 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
7667
7668         PR rtl-optimization/35232
7669         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
7670         (forget_old_reloads_1, forget_marked_reloads): Don't clear
7671         reg_reloaded_call_part_clobbered here.
7672         (reload_regs_reach_end_p): New function.
7673         (reload_reg_rtx_for_input): New variable.
7674         (reload_reg_rtx_for_output): Likewise.
7675         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
7676         when reassigning a pseudo register.  Load reloadreg from 
7677         reload_reg_rtx_for_input, moving the mode and register
7678         calculation to...
7679         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
7680         instead of the original when deciding whether an input reload
7681         would be a no-op or whether an output reload can be deleted.
7682         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
7683         when setting up new_spill_reg_store.  Load it from
7684         reload_reg_rtx_for_output, moving the mode and register
7685         calculation to...
7686         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
7687         instead of the original when deciding whether an output reload
7688         would be a no-op.  Do the same when modifying insn notes.
7689         Use rtx_equal_p instead of == to compare the registers.
7690         (inherit_piecemeal_p): Take a mode and two register numbers
7691         as argument.
7692         (emit_reload_insns): Clear new_spill_reg_store for every hard
7693         register in the reload register.  Remove spill registers
7694         from reg_reloaded_valid before considering whether to record
7695         inheritance information for them.  Use reload_reg_rtx_for_output
7696         instead of reg_rtx when recording output reloads.  Use
7697         reload_reg_rtx_for_input instead of reg_rtx when recording
7698         input reloads.  Set or clear reg_reloaded_call_part_clobbered
7699         at the same time as setting reg_reloaded_valid.
7700         (delete_output_reload): Add a new_reload_reg parameter and use it
7701         instead of rld[j].reg_rtx.
7702         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
7703         calls accordingly.
7704
7705 2008-03-25  Tom Tromey  <tromey@redhat.com>
7706
7707         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
7708         (build/genattr.o): Likewise.
7709         (build/genattrtab.o): Likewise.
7710         (build/gencodes.o): Likewise.
7711         (build/genconfig.o): Likewise.
7712         (build/genconstants.o): Likewise.
7713         (build/genemit.o): Likewise.
7714         (build/genextract.o): Likewise.
7715         (build/genflags.o): Likewise.
7716
7717 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
7718         
7719         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
7720         instead of size_int for integer types.
7721         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
7722         to match type of MINUS_EXPR.
7723         
7724 2008-03-25  Tom Tromey  <tromey@redhat.com>
7725
7726         * configure: Rebuilt.
7727         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
7728         Makefile.
7729
7730 2008-03-25  Tom Tromey  <tromey@redhat.com>
7731
7732         * config/x-solaris (host-solaris.o): Update.
7733         * config/x-linux (host-linux.o): Update.
7734         * config/x-hpux (host-hpux.o): Update.
7735         * config/x-darwin (host-darwin.o): Update.
7736         * config/v850/t-v850e (v850-c.o): Update.
7737         * config/v850/t-v850 (v850-c.o): Update.
7738         * config/t-vxworks (vxworks.o): Update.
7739         * config/t-sol2 (sol2-c.o, sol2.o): Update.
7740         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
7741         * config/spu/t-spu-elf (spu-c.o): Update.
7742         (spu.o): Remove.
7743         * config/sh/t-symbian (sh-c.o): Update.
7744         (symbian.o): Update.
7745         * config/sh/t-sh (sh-c.o): Update.
7746         * config/score/t-score-elf (score7.o, score3.o): Update.
7747         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
7748         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
7749         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
7750         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
7751         (rs6000.o): Remove.
7752         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
7753         * config/m32c/t-m32c (m32c-pragma.o): Update.
7754         * config/ia64/t-ia64 (ia64-c.o): Update.
7755         * config/i386/x-mingw32 (host-mingw32.o): Update.
7756         * config/i386/x-i386 (driver-i386.o): Update.
7757         * config/i386/x-darwin (host-i386-darwin.o): Update.
7758         * config/i386/x-cygwin (host-cygwin.o): Update.
7759         * config/i386/t-nwld (nwld.o): Update.
7760         * config/i386/t-netware (netware.o): Update.
7761         * config/i386/t-interix (winnt.o): Update.
7762         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
7763         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
7764         msformat-c.o): Update.
7765         * config/bfin/t-bfin-linux (generated_files): Add
7766         linux-sysroot-suffix.h.
7767         * config/arm/t-wince-pe (pe.o): Update.
7768         * config/arm/t-strongarm-pe (pe.o): Update.
7769         * config/arm/t-pe (pe.o): Update.
7770         * config/arm/t-arm (arm-c.o): Update.
7771         * doc/install.texi (Prerequisites): Require make 3.80.
7772         * Makefile.in: Remove .o targets.
7773         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
7774         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
7775         (simple_generated_h, simple_generated_c): Move earlier.
7776         (generated_files): New variable.
7777         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
7778         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
7779         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
7780         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
7781         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
7782         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
7783         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
7784         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
7785         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
7786         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
7787         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
7788         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
7789         (.c.o): Remove.
7790         (COMPILE.base, COMPILE): New variables.
7791         (%.o): New pattern rule.
7792         (ALL_HOST_OBJS): New variable.
7793         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
7794         (dummy-checksum.o, cc1-checksum.o): Remove.
7795         (DRIVER_SHLIB): New variable.
7796         (DRIVER_DEFINES): Use it.
7797         (gencondmd.c): Move out of build/.
7798         (s-conditions): Update.
7799         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
7800         (ALL_BUILD_OBJS): Likewise.
7801         (build/%.o): Use BUILDCOMPILE.
7802         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
7803         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
7804         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
7805         build/gencheck.o, build/gencodes.o, build/genconditions.o,
7806         build/genconfig.o, build/genconstants.o, build/genemit.o,
7807         build/genextract.o, build/genflags.o, build/genmddeps.o,
7808         build/genopinit.o, build/genoutput.o, build/genpeep.o,
7809         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
7810         build/gen-protos.o, build/scan.o, build/fix-header.o,
7811         build/scan-decls.o): Simplify.
7812         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
7813         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
7814         prefix.o, toplev.o): Reduce to variable setting.
7815         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
7816         ($(out_object_file), gcc-options.o): New targets.
7817         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
7818         * configure: Rebuilt.
7819         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
7820         * doc/sourcebuild.texi (Front End Directory): Document new variable.
7821
7822 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
7823
7824         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
7825         complain when we hit an error, return ERROR_MARK_NODE.
7826
7827 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
7828
7829         * config/sh/constraints.md (Pso, Psz): New constraints.
7830         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
7831         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
7832
7833 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
7834
7835         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
7836         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
7837
7838 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
7839
7840         * config/sh/sh.md (prefetch): Add condition for SH2A target.
7841         (prefetch_sh2a): New.   
7842
7843 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
7844             Naveen.H.S  <naveen.hs@kpitcummins.com>
7845
7846         * config/sh/constraints.md (I28): New constraint.
7847         * config/sh/sh.c (broken_move): Add support for movi20s.
7848         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
7849
7850 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
7851             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
7852             Naveen.H.S  <naveen.hs@kpitcummins.com>
7853
7854         * config/sh/sh.c (SH_ATTRIBUTES): Define.
7855         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
7856         (print_operand): Handle resbank in %@ operand code.
7857         (sh_encode_section_info): New.
7858         (push_regs): Add conditions for resbank.
7859         (sh_expand_epilogue): Likewise.
7860         (sh_insert_attributes): Likewise.
7861         (sh_attribute_table): Likewise.
7862         (sh_handle_resbank_handler_attribute): New.
7863         (sh2a_handle_function_vector_handler_attribute): New.
7864         (sh2a_is_function_vector_call): New.
7865         (sh2a_get_function_vector_number): New.
7866         (sh2a_function_vector_p): New.
7867         (sh_cfun_resbank_handler_p): New.
7868         * config/sh/sh.md (calli): Emit jsr/n if possible.
7869         (calli_tbr_rel): New.
7870         (calli_pcrel): Emit jsr/n if possible.
7871         (return_i): Emit rts/n if possible.
7872         (call_valuei_tbr_rel): New.
7873         (call_valuei_pcrel): Add condition for SH2A target.
7874         (call_value): Likewise.
7875         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
7876         (sh2a_get_function_vector_number): Likewise.
7877         (sh2a_is_function_vector_call): Likewise.
7878         * doc/extend.texi: Document TBR relative addressing of SH2A.
7879         (resbank): Add description for SH2A.
7880
7881 2008-03-24  Richard Guenther  <rguenther@suse.de>
7882
7883         PR c/22371
7884         * gimplify.c (gimplify_modify_expr): For frontend type-correct
7885         pointer assignments change conversions according to middle-end rules.
7886         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
7887         * configure.ac: Include type checking in yes.
7888         * configure: Regenerate.
7889
7890 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7891
7892         * diagnostic.c (diagnostic_count_diagnostic): Delete.
7893         (diagnostic_report_diagnostic): Update. Handle ICEs here.
7894         
7895 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
7896
7897         * gthr-vxworks.h (UNUSED): Define.
7898
7899 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
7900
7901         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
7902
7903 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
7904
7905         * doc/extend.texi (Function Attributes): Add missing comma in the
7906         example of the "alloc_size" attribute.
7907         
7908 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
7909
7910         Revert:
7911         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
7912
7913         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
7914         32bit host.
7915
7916         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
7917
7918         PR target/35496
7919         * stor-layout.c (update_alignment_for_field): Set minimum alignment
7920         of the underlying type of a MS bitfield layout to the natural
7921         alignment of the type.
7922
7923         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
7924
7925         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
7926         to their natural alignment to avoid store forwarding stalls.
7927
7928 2008-03-22  Richard Guenther  <rguenther@suse.de>
7929
7930         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
7931         For PHI nodes verify the address is invariant.
7932         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
7933         (get_symbol_constant_value): Use is_gimple_min_invariant.
7934         (maybe_fold_stmt_indirect): Likewise.
7935
7936 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
7937
7938         PR rtl-optimization/33927
7939         * Makefile.in (dse.o): Depend on $(TM_P_H).
7940         * expr.h (extract_low_bits): Declare.
7941         * expmed.c (extract_low_bits): New function.
7942         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
7943         * dse.c: Include tm_p.h.
7944         (find_shift_sequence): Remove the read_reg argument and return the
7945         read value.  Emit the instructions instead of returning them.
7946         Iterate on new_mode rather than calculating it each time.
7947         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
7948         source to NEW_MODE and extract_low_bits to convert the shifted
7949         value to READ_MODE.
7950         (replace_read): Allow the load and store to have different mode
7951         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
7952         or extraction instructions before trying the replacement.  Update
7953         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
7954
7955 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
7956
7957         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
7958         to their natural alignment to avoid store forwarding stalls.
7959
7960 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7961
7962         PR target/27946
7963         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
7964         encouraging but not allowing gprs for input;
7965         change the input constraint to !f#r.
7966         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
7967         gprs for output;
7968         change the output constraint to !f#r.
7969
7970 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
7971
7972         PR target/13958
7973         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
7974         corresponding post-reload splitters.
7975         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
7976         when x87 FP math is selected.
7977         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
7978         New function prototype.
7979         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
7980         unreachable function to ease macroization of insn patterns.
7981
7982 2008-03-21  Martin Jambor  <mjambor@suse.cz>
7983
7984         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
7985         reference dumps if ddr is NULL or dependence is unknown.
7986
7987 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
7988
7989         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
7990         unsigned extension into account.
7991         (ATOMIC_COMPARE_AND_SWAP): Likewise.
7992         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
7993         Do computations on a scratch register.
7994
7995 2008-03-21  Richard Guenther  <rguenther@suse.de>
7996
7997         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
7998         Use is_gimple_min_invariant instead of TREE_INVARIANT.
7999         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
8000         * tree-ssa-dom.c (record_equality): Likewise.
8001         * tree-inline.c (copy_body_r): Likewise.
8002         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
8003         TREE_INVARIANT.
8004
8005 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
8006
8007         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
8008         as 'delete_unused' argument.
8009
8010 2008-03-20  Richard Guenther  <rguenther@suse.de>
8011
8012         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
8013         special casing of constant qualifiers.
8014         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
8015         care about them in general.
8016         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
8017         regardless of their type.
8018         (fold_stmt_r): Forcefully fold *& if we end up with that.
8019
8020 2008-03-20  Paul Brook  <paul@codesourcery.com>
8021
8022         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
8023         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
8024         linker flags.
8025         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
8026         definition.
8027         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
8028         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
8029
8030 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
8031
8032         * common.opt (Wmudflap): New option.
8033         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
8034         (mx_register_decls): Likewise.
8035         (mudflap_finish_file): Likewise.
8036         * doc/invoke.texi: Document -Wno-mudflap.
8037
8038 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
8039
8040         * c-format.c (replace_format_name_to_system_name): New.
8041         (cmp_attribs): New.
8042         (convert_format_name_to_system_name): New.
8043         (decode_format_attr): Add use of convert_format_name_to_system_name.
8044         (format_types_orig): Add gnu_ prefix to names.
8045         (check_format_info_main): Special treating of \0 escaped names for
8046         supporting multi-character format specifiers as I32, I64.
8047         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
8048         (gnu_target_overrides_format_attributes): New.
8049         * c-format.h: Add structure target_ovr_attr to hold
8050         system specific formatter names.
8051         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
8052         msformat-c.o file to c_target_objs and cxx_target_objs.
8053         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
8054         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
8055         (TARGET_N_FORMAT_TYPES): New.
8056         * config/i386/msformat-c.c: New.
8057         * config/i386/t-cygming: Add build rule for msformat-c.o.
8058         * doc/extend.texi: Add new format names gnu_* and ms_* and
8059         further details.
8060         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
8061
8062 2008-03-20  Ira Rosen  <irar@il.ibm.com>
8063
8064         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
8065         optimizations turned on under -O3.
8066         (ftree-vectorize): Add that the flag is turned on with -O3.
8067
8068 2008-03-20  Ben Elliston  <bje@au.ibm.com>
8069
8070         * regmove.c (try_auto_increment): Fix spelling error in comment.
8071         * final.c (final_scan_insn): Likewise.
8072
8073 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
8074
8075         PR target/14552
8076         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
8077         allocator preferences for "y" and "r" class registers.
8078         ("*mov<mode>_internal"): Ditto.
8079         ("*movv2sf_internal_rex64"): Ditto.
8080         ("*movv2sf_internal"): Ditto.
8081
8082 2008-03-19  Michael Matz  <matz@suse.de>
8083
8084         PR middle-end/35616
8085         * calls.c (expand_call): Check overlap of arguments with call
8086         address for sibcalls.
8087
8088 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
8089
8090         PR target/35496
8091         * stor-layout.c (update_alignment_for_field): Set minimum alignment
8092         of the underlying type of a MS bitfield layout to the natural
8093         alignment of the type.
8094
8095 2008-03-19  Jan Hubicka  <jh@suse.cz>
8096
8097         PR other/35094
8098         * toplev.c (decode_d_option): Handle all CPP flags.
8099         * tree-vrp.c: Update tree_pass descriptors.
8100         * regrename.c: Update tree_pass descriptors.
8101         * fwprop.c: Update tree_pass descriptors.
8102         * doc/invoke.texi: Remove documentation of dropped -d? flags.
8103         * tree-into-ssa.c: Update tree_pass descriptors.
8104         * tree-dump.c: Update tree_pass descriptors.
8105         * tree-complex.c: Update tree_pass descriptors.
8106         * tree-dump.h: Update tree_pass descriptors.
8107         * see.c: Update tree_pass descriptors.
8108         * cgraphbuild.c: Update tree_pass descriptors.
8109         * tracer.c: Update tree_pass descriptors.
8110         * tree-loop-distribution.c: Update tree_pass descriptors.
8111         * cgraph.c: Update tree_pass descriptors.
8112         * postreload-gcse.c: Update tree_pass descriptors.
8113         * postreload.c: Update tree_pass descriptors.
8114         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
8115         * tree-tailcall.c: Update tree_pass descriptors.
8116         * tree-pass.h (tree_opt_pass): Rename to ...
8117         (opt_pass) ... this one; add "type" field and remove letter field.
8118         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
8119         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
8120         all_lowering_passes): Update declaration.
8121         * ipa-cp.c: Update tree_pass descriptors.
8122         * final.c: Update tree_pass descriptors.
8123         * omp-low.c: Update tree_pass descriptors.
8124         * tree-ssa-dse.c: Update tree_pass descriptors.
8125         * ipa-reference.c: Update tree_pass descriptors.
8126         * tree-ssa-uncprop.c: Update tree_pass descriptors.
8127         * auto-inc-dec.c: Update tree_pass descriptors.
8128         * reorg.c: Update tree_pass descriptors.
8129         * cgraphunit.c: Update tree_pass descriptors.
8130         * tree-ssa-copyrename.c: Update tree_pass descriptors.
8131         * tree-ssa-ccp.c: Update tree_pass descriptors.
8132         * df-core.c: Update tree_pass descriptors.
8133         * mode-switching.c: Update tree_pass descriptors.
8134         * tree-nomudflap.c: Update tree_pass descriptors.
8135         * modulo-sched.c: Update tree_pass descriptors.
8136         * ipa-pure-const.c: Update tree_pass descriptors.
8137         * cse.c: Update tree_pass descriptors.
8138         * web.c: Update tree_pass descriptors.
8139         * tree-stdarg.c: Update tree_pass descriptors.
8140         * tree-ssa-math-opts.c: Update tree_pass descriptors.
8141         * tree-ssa-dom.c: Update tree_pass descriptors.
8142         * tree-nrv.c: Update tree_pass descriptors.
8143         * tree-ssa-alias.c: Update tree_pass descriptors.
8144         * loop-init.c: Update tree_pass descriptors.
8145         * gimple-low.c: Update tree_pass descriptors.
8146         * ipa-inline.c: Update tree_pass descriptors.
8147         * tree-ssa-sink.c: Update tree_pass descriptors.
8148         * global.c: Update tree_pass descriptors.
8149         * ifcvt.c: Update tree_pass descriptors.
8150         * jump.c: Update tree_pass descriptors.
8151         * predict.c: Update tree_pass descriptors.
8152         * tree-ssa-loop.c: Update tree_pass descriptors.
8153         * recog.c: Update tree_pass descriptors.
8154         * dse.c: Update tree_pass descriptors.
8155         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
8156         * tree-eh.c: Update tree_pass descriptors.
8157         * regmove.c: Update tree_pass descriptors.
8158         * local-alloc.c
8159         * function.c: Update tree_pass descriptors.
8160         * tree-vectorizer.c: Update tree_pass descriptors.
8161         * gcse.c: Update tree_pass descriptors.
8162         * ipa-type-escape.c: Update tree_pass descriptors.
8163         * tree-if-conv.c: Update tree_pass descriptors.
8164         * init-regs.c: Update tree_pass descriptors.
8165         * ipa.c: Update tree_pass descriptors.
8166         * tree-ssa-phiopt.c: Update tree_pass descriptors.
8167         * rtl-factoring.c: Update tree_pass descriptors.
8168         * lower-subreg.c: Update tree_pass descriptors.
8169         * bt-load.c: Update tree_pass descriptors.
8170         * tree-dfa.c: Update tree_pass descriptors.
8171         * except.c: Update tree_pass descriptors.
8172         * emit-rtl.c: Update tree_pass descriptors.
8173         * cfgexpand.c: Update tree_pass descriptors.
8174         * tree-cfgcleanup.c: Update tree_pass descriptors.
8175         * cfgcleanup.c: Update tree_pass descriptors.
8176         * tree-ssa-pre.c: Update tree_pass descriptors.
8177         * tree-sra.c: Update tree_pass descriptors.
8178         * tree-mudflap.c: Update tree_pass descriptors.
8179         * tree-ssa-copy.c: Update tree_pass descriptors.
8180         * cfglayout.c: Update tree_pass descriptors.
8181         * tree-ssa-forwprop.c: Update tree_pass descriptors.
8182         * tree-ssa-dce.c: Update tree_pass descriptors.
8183         * tree-ssa.c: Update tree_pass descriptors.
8184         * regclass.c: Update tree_pass descriptors.
8185         * integrate.c: Update tree_pass descriptors.
8186         * tree-optimize.c: Update tree_pass descriptors.
8187         * tree-ssa-phiprop.c: Update tree_pass descriptors.
8188         * tree-object-size.c: Update tree_pass descriptors.
8189         * combine.c: Update tree_pass descriptors.
8190         * tree-outof-ssa.c: Update tree_pass descriptors.
8191         * bb-reorder.c: Update tree_pass descriptors.
8192         * stack-ptr-mod.c: Update tree_pass descriptors.
8193         * var-tracking.c: Update tree_pass descriptors.
8194         * tree-profile.c: Update tree_pass descriptors.
8195         * tree-vect-generic.c: Update tree_pass descriptors.
8196         * reg-stack.c: Update tree_pass descriptors.
8197         * sched-rgn.c: Update tree_pass descriptors.
8198         * tree-ssa-structalias.c: Update tree_pass descriptors.
8199         * tree-cfg.c: Update tree_pass descriptors.
8200         * passes.c (current_pass): Update declaration.
8201         (finish_optimization_passes): Update.
8202         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
8203         (register_one_dump_file, register_dump_files_1, next_pass_1):
8204         Update arguments.
8205         (init_optimization_passes): Update handling of new types.
8206         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
8207         * ipa-struct-reorg.c: Update tree_pass descriptors.
8208         * tree-ssa-reassoc.c: Update tree_pass descriptors.
8209         * combine-stack-adj.c: Update tree_pass descriptors.
8210         * cfgrtl.c: Update tree_pass descriptors.
8211         * dce.c: Update tree_pass descriptors.
8212         * tree-ssanames.c: Update tree_pass descriptors.
8213
8214 2008-03-19  Richard Guenther  <rguenther@suse.de>
8215
8216         PR middle-end/35609
8217         * tree-ssa.c (walk_data): New structure.
8218         (warn_uninitialized_var): If not always_executed warn with "maybe"
8219         instead of "is".
8220         (execute_early_warn_uninitialized): Compute post-dominators.
8221         Initialize always_executed before processing each basic block.
8222
8223 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
8224
8225         PR target/35504
8226         * config/i386/i386.c (x86_this_parameter): Calculate correct location
8227         of "this" pointer when "regparm = N" or "fastcall" is in effect.
8228
8229 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8230
8231         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
8232
8233 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
8234
8235         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
8236         is true.
8237         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
8238         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
8239         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
8240         target after ignore has been set, and move there also the commputation
8241         of subtarget and original_target.
8242         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
8243         (LANG_HOOKS_INITIALIZER): Remove it.
8244         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
8245
8246 2008-03-18  Richard Guenther  <rguenther@suse.de>
8247
8248         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
8249         found an expression with constants, note that in the VN for the lhs.
8250         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
8251         fold them to constants if possible.  Run cleanup_cfg if done so.
8252         (execute_pre): Return todo.
8253         (do_pre): Likewise.
8254         (execute_fre): Likewise.
8255         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
8256         of constants.
8257         (get_prop_source_stmt): Look through pointer conversions.
8258
8259 2008-03-18  Jan Hubicka  <jh@suse.cz>
8260
8261         * tree-pretty-print.c: Include predict.h.
8262         (dump_generic_node): Dump predictor.
8263         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
8264         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
8265         * gimple-low.c (lower_stmt): Likewise.
8266         * expr.c (expand_expr_real): Likewise.
8267         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
8268         them.
8269         (build_predict_expr, build_predict_expr): New.
8270         * predict.h (predictor_name, build_predict_expr): Update.
8271         * c-typeck.c (c_finish_bc_stmt): Add prediction.
8272         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
8273         * predict.def (PRED_CONTINUE): Update hitrate.
8274         * tree.def (PREDICT_EXPR): Define.
8275         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
8276         do not handle BIND_EXPR.
8277         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
8278         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
8279         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
8280         operands.
8281
8282 2008-03-18  Michael Matz  <matz@suse.de>
8283
8284         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
8285
8286 2008-03-18  Richard Guenther  <rguenther@suse.de>
8287
8288         * tree-gimple.h (is_gimple_invariant_address): Declare.
8289         (is_gimple_constant): Likewise.
8290         * tree-gimple.c (is_gimple_constant): New function.
8291         (is_gimple_invariant_address): Likewise.
8292         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
8293         and is_gimple_invariant_address.
8294         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
8295         previous change.
8296         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
8297         an addressable base.
8298
8299 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
8300
8301         PR middle-end/35611
8302         * gimplify.c (gimplify_expr): Gimplify second operand of
8303         OMP_ATOMIC_LOAD.
8304
8305 2008-03-17  Richard Guenther  <rguenther@suse.de>
8306
8307         PR tree-optimization/19637
8308         * fold-const.c (fold_unary): Remove restrictions of removing
8309         intermediate pointer-conversions (P2)(P1)P0.
8310         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
8311         conversion to void pointer.
8312         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
8313
8314 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
8315
8316         PR debug/31510
8317         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
8318         emulated thread local variables.
8319
8320 2008-03-16  Richard Guenther  <rguenther@suse.de>
8321
8322         PR middle-end/35607
8323         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
8324         expand TREE_INVARIANT operations that are not gimple invariant.
8325
8326 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
8327
8328         * doc/extend.texi (Alignment): Say that the ABI controls
8329         the __alignof__ for non-strict-alignment targets rather
8330         than being a recommendation.
8331
8332 2008-03-15  Paul Brook  <paul@codesourcery.com>
8333
8334         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
8335         annotations.
8336         (arm_output_fn_unwind): Mark functions that can not be unwound.
8337
8338 2008-03-15  Paul Brook  <paul@codesourcery.com>
8339
8340         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
8341         extension instructions.
8342
8343 2008-03-15  Richard Guenther  <rguenther@suse.de>
8344
8345         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
8346         and fold constant aggregate refs.
8347         (fold_const_aggregate_ref): Handle string constants
8348         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
8349         (evaluate_stmt): Simplify now that ccp_fold folds constant
8350         aggregate refs.
8351
8352 2008-03-15  Paul Brook  <paul@codesourcery.com>
8353
8354         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
8355         (extzv): Use gen_extzv_t2.
8356         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
8357
8358 2008-03-15  Richard Guenther  <rguenther@suse.de>
8359
8360         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
8361         (fold_const_aggregate_ref): Likewise.
8362         (get_value): Return NULL if we don't have any values.
8363         (ccp_finalize): Set const_val to NULL after freeing it.
8364         * tree-flow.h (get_symbol_constant_value): Declare.
8365         (fold_const_aggregate_ref): Likewise.
8366         * tree-ssa-sccvn.c (try_to_simplify): Use them.
8367
8368 2008-03-15  Richard Guenther  <rguenther@suse.de>
8369
8370         PR middle-end/35593
8371         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
8372         to not produce negative array indices if not allowed.  Add
8373         parameter to indicate that.
8374         (maybe_fold_offset_to_component_ref): Allow negative array
8375         indices only for the first member of a structure.
8376         (maybe_fold_offset_to_reference): Allow negative array indices.
8377         (maybe_fold_stmt_addition): Likewise.
8378
8379 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
8380             Anatoly Sokolov <aesok@post.ru>
8381
8382         * config/avr/avr.c (avr_arch_types): Add avr6 entry.
8383         (avr_arch): Add ARCH_AVR6.
8384         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
8385         (initial_elimination_offset): Initialize and use 'avr_pc_size' 
8386         instead of fixed value 2.
8387         (print_operand_address): Use gs() asm specifier instead of pm().
8388         (avr_assemble_integer): (Ditto.).
8389         (avr_output_addr_vec_elt): (Ditto.).
8390         (print_operand): Handle "!" code.
8391         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add 
8392         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
8393         (AVR_HAVE_EIJMP_EICALL): Define.
8394         (AVR_3_BYTE_PC): Redefine.
8395         (AVR_2_BYTE_PC): (Ditto.).
8396         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
8397         (LINK_SPEC): Add atmega2560 and atmega2561.
8398         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561 
8399         (crtm2561.o).
8400         * config/avr/avr.md (call_insn): Use eicall instead of icall 
8401         for 3 byte PC devices.
8402         (call_value_insn): (Ditto.).
8403         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
8404         (indirect_jump): Use only for for 2 byte PC devices.
8405         (*tablejump): (Ditto.).
8406         (*indirect_jump_avr6): Add insn.
8407         (*tablejump_rjmp): Don't use for 3 byte PC devices.
8408         * config/avr/libgcc.S (__prologue_saves__): Use eijmp 
8409         instead of ijmp for 3 byte PC devices.
8410         (__tablejump2__): (Ditto.).
8411         * config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
8412         (MULITLIB_DIRNAMES): (Ditto.). 
8413         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
8414
8415 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
8416
8417         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
8418         "sse2_umulsidi3".  Use V1DI mode for operand 0.
8419         ("mmx_psadbw"): Use V1DI mode for operand 0.
8420         * config/i386/i386-modes.def (V1SI): New vector mode.
8421         * config/i386/i386.c (struct builtin_description)
8422         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
8423         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
8424         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
8425         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
8426         v1di_ftype_v8qi_v8qi type.
8427         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
8428
8429         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
8430         __builtin_ia32_pmuludq]: Fix the mode of return value.
8431
8432 2008-03-15  Richard Guenther  <rguenther@suse.de>
8433
8434         PR middle-end/35595
8435         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
8436         being a PHI_NODE.
8437
8438 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
8439         
8440         * doc/invoke.texi (Option Summary, Xtensa Options): Document
8441         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
8442         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
8443         unless TARGET_SERIALIZE_VOLATILE is enabled.
8444         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
8445         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
8446         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
8447
8448 2008-03-14  Richard Guenther  <rguenther@suse.de>
8449
8450         PR tree-optimization/34172
8451         * tree-flow.h (refs_may_alias_p): Declare.
8452         (get_single_def_stmt): Likewise.
8453         (get_single_def_stmt_from_phi): Likewise.
8454         (get_single_def_stmt_with_phi): Likewise.
8455         * tree-dfa.c (refs_may_alias_p): New function.
8456         (get_single_def_stmt): Likewise.
8457         (get_single_def_stmt_from_phi): Likewise.
8458         (get_single_def_stmt_with_phi): Likewise.
8459         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
8460         (vn_reference_lookup_1): New helper function.
8461         (vn_reference_lookup): Walk the virtual use-def chain to
8462         continue searching for a match if the def does not alias the
8463         reference we are looking for.
8464
8465 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
8466
8467         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
8468         archive and Perzl.  Update The Written Word listing.
8469
8470 2008-03-14  Richard Guenther  <rguenther@suse.de>
8471
8472         PR tree-optimization/34043
8473         PR tree-optimization/33989
8474         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
8475         when doing FRE.
8476         (bitmap_find_leader): Use extra argument to verify dominance
8477         relationship inside a basic-block.
8478         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
8479         (find_leader_in_sets): Adjust.
8480         (create_component_ref_by_pieces): Take extra argument for
8481         dominance check, handle lookup failures.
8482         (find_or_generate_expression): Likewise.
8483         (create_expression_by_pieces): Likewise.
8484         (insert_into_preds_of_block): Adjust.
8485         (create_value_expr_from): If asked for, verify all operands
8486         are in the blocks AVAIL_OUT set.
8487         (make_values_for_stmt): Check for SSA_NAMEs that are life
8488         over an abnormal edge.
8489         (compute_avail): Remove such check.
8490         (do_SCCVN_insertion): New function.
8491         (eliminate): If we do not find a leader suitable for replacement
8492         insert a replacement expression from SCCVN if available.
8493         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
8494         (struct vn_ssa_aux): Add needs_insertion flag.
8495         * tree-ssa-sccvn.c (may_insert): New global flag.
8496         (copy_reference_ops_from_ref): Value-number union member access
8497         based on its size, not type and member if insertion is allowed.
8498         (visit_reference_op_load): For a weak match from union type
8499         punning lookup a view-converted value and insert a SSA_NAME
8500         for that value if that is not found.
8501         (visit_use): Make dumps shorter.  Do not disallow value numbering
8502         SSA_NAMEs that are life over an abnormal edge to constants.
8503         (free_scc_vn): Release inserted SSA_NAMEs.
8504         (run_scc_vn): New flag to specify whether insertion is allowed.
8505         Process SSA_NAMEs in forward order.
8506         * tree-ssa-loop-im.c (for_each_index): Handle invariant
8507         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
8508         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
8509         pointer type to/from integral types that do not change the
8510         precision to regular conversions.
8511
8512 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
8513
8514         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
8515         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
8516         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
8517         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
8518         input arguments and the mode of return value.  Built-in functions
8519         that operate on whole 64-bit MMX register now use V1DI mode.
8520
8521 2008-03-13  Alon Dayan  <alond@il.ibm.com>
8522             Olga Golovanevsky  <olga@il.ibm.com>
8523
8524         PR tree-optimization/35041
8525         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
8526         to locate the right position in a statement.
8527
8528 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
8529
8530         PR target/34000
8531         PR target/35553
8532         * config/i386/xmmintrin.h:  Change all static inline functions to
8533         extern inline and add __gnu_inline__ attribute.
8534         * config/i386/bmintrin.h: Ditto.
8535         * config/i386/smmintrin.h: Ditto.
8536         * config/i386/tmmintrin.h: Ditto.
8537         * config/i386/mmintrin-common.h: Ditto.
8538         * config/i386/ammintrin.h: Ditto.
8539         * config/i386/emmintrin.h: Ditto.
8540         * config/i386/pmmintrin.h: Ditto.
8541         * config/i386/mmintrin.h: Ditto.
8542         * config/i386/mm3dnow.h: Ditto.
8543
8544 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
8545
8546         PR middle-end/35185
8547         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
8548         (lower_omp_2): New function.
8549         (lower_omp_1, lower_omp): Rewritten.
8550
8551 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
8552
8553         PR 35054
8554         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
8555         with the phrase "Microsoft Windows compilers".
8556         (Push/Pop Macro Pragmas): New subsection. Document
8557         #pragma push_macro and pragma pop_macro.
8558
8559 2008-03-12  Paul Brook  <paul@codesourcery.com>
8560
8561         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
8562
8563 2008-03-12  Paul Brook  <paul@codesourcery.com>
8564
8565         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
8566         (thumb2_alusi3_short): Exclude PLUS and MINUS.
8567         (thumb2_addsi_shortim): Rename ...
8568         (thumb2_addsi_short): ... to this.  Allow register operands.
8569         (thumb2_subsi_short): New pattern.
8570         (thumb2_one_cmplsi2_short,
8571         thumb2_negsi2_short): New patterns and peepholes.
8572
8573 2008-03-12  Paul Brook  <paul@codesourcery.com>
8574
8575         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
8576
8577 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
8578
8579         * config/i386/i386.md (int_cond): New code iterator.
8580         (fp_cond): Ditto.
8581         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
8582         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
8583         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
8584         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
8585         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
8586         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
8587         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
8588         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
8589
8590 2008-03-12  Paul Brook  <paul@codesourcery.com>
8591
8592         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
8593         instead of {arm,thumb}_compute_save_reg_mask.
8594         (output_return_instruction): Ditto.
8595         (thumb_unexpanded_epilogue): Ditto.
8596         (thumb1_expand_prologue): Ditto.
8597         (thumb1_output_function_prologue): Ditto.
8598         (arm_set_return_address): Ditto.
8599         (thumb_set_return_address): Ditto.
8600         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
8601         regs to achieve stack alignment.
8602         (thumb1_compute_save_reg_mask): Fix compiler warning.
8603         (arm_output_epilogue): Use offsets->saved_regs_mask.
8604         Adjust stack pointer by poping call clobered registers.
8605         (arm_expand_prologue): Use offsets->saved_regs_mask.
8606         Adjust stack pointer by pushing extra registers.
8607         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
8608
8609 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
8610
8611         PR tree-opt/35422
8612         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
8613         conversion to the operands of a multiplication.
8614
8615 2008-03-12  Richard Guenther  <rguenther@suse.de>
8616
8617         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
8618         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
8619         * timevar.def (TV_TREE_PHIPROP): Add.
8620         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
8621         pass description.  Use TV_TREE_PHIPROP.
8622         * tree-ssa-forwprop.c: Remove phiprop code.
8623
8624 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
8625
8626         PR middle-end/35549
8627         * omp-low.c (maybe_lookup_decl): Constify first argument.
8628         (use_pointer_for_field): Change last argument from bool to
8629         omp_context *.  Disallow shared copy-in/out in nested
8630         parallel if decl is shared in outer parallel too.
8631         (build_outer_var_ref, scan_sharing_clauses,
8632         lower_rec_input_clauses, lower_copyprivate_clauses,
8633         lower_send_clauses, lower_send_shared_vars): Adjust callers.
8634
8635 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
8636             Ira Rosen  <irar@il.ibm.com>
8637
8638         * tree-vectorizer.c (free_stmt_vec_info): New function.
8639         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
8640         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
8641         * tree-vectorizer.h (free_stmt_vec_info): Declare.
8642         * tree-vect-transform.c (vectorizable_conversion): Free
8643         vec_oprnds0 if it was allocated.
8644         (vect_permute_store_chain): Remove unused VECs.
8645         (vectorizable_store): Free VECs that are allocated in the..
8646         function.
8647         (vect_transform_strided_load, vectorizable_load): Likewise.
8648         (vect_remove_stores): Simplify the code.
8649         (vect_transform_loop): Move code to vect_remove_stores().
8650         Call vect_remove_stores() and free_stmt_vec_info().
8651
8652 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8653
8654         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
8655         TARGET_HPUX.  Revise comment.
8656         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
8657         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
8658         Use sr4 variant of `be' instruction when not generating PIC code.
8659         (attr_length_call): Adjust for above change.
8660
8661 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8662
8663         * ipa-reference.c (static_execute): Remove module_statics_const and
8664         associated setting code.
8665
8666 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
8667
8668         PR target/35540
8669         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
8670         predicate for operand 1.
8671         (paritysi2_cmp): Use register_operand predicate for operand 2.
8672         Use earlyclobber modifier for operand 1.  Remove support for
8673         memory operands.
8674         (paritydi2_cmp): Use register_operand predicate for operand 3.
8675         Use earlyclobber modifier for operand 1.  Remove support for
8676         memory operands.
8677
8678 2008-03-11  Paul Brook  <paul@codesourcery.com>
8679             Vladimir Prus  <vladimir@codesourcery.com>
8680
8681         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
8682         (arm_compute_save_reg0_reg12_mask): Always
8683         check if register 11 must be saved.  Always safe hard frame pointer
8684         when frame_pointer_needeed.
8685         (arm_compute_save_reg_mask): Save IP and PC
8686         only with apcs frames.
8687         (arm_output_epilogue): Adjust Thumb2 codepath to
8688         be also invoked and work for ARM non-apcs frames.
8689         (arm_expand_prologue): Don't bother saving IP
8690         for non-apcs frame, since it's not clobbered by
8691         prologue code.  Implement non-apcs frame
8692         layout.
8693
8694 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
8695
8696         PR rtl-optimization/35281
8697         * expr.c (convert_move): Use a new pseudo for the intermediate
8698         from_mode->word_mode result.
8699
8700 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
8701
8702         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
8703         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
8704         * toplev.c (compile_file): Don't call it.
8705
8706 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
8707
8708         PR middle-end/35526
8709         * expr.c (store_expr): Call emit_block_move if the mode
8710         of "temp" RTX is BLKmode.
8711
8712 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8713             Richard Guenther  <rguenther@suse.de>
8714
8715         PR tree-optimization/31358
8716         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
8717         the step with a NULL_TREE.
8718         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
8719         to sizetype if type is a pointer type.
8720         (add_candidate_1): Don't convert the base and step to
8721         the generic type if the orginal type is a pointer type.
8722         (add_iv_value_candidates): Use sizetype for the step
8723         if type is a pointer type.
8724         (cand_value_at): Likewise.
8725         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
8726         for pointer types.
8727         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
8728         Don't convert the tem affine to the type.
8729         (add_elt_to_tree): Use sizetype for the step if a pointer.
8730         Use POINTER_PLUS_EXPR for pointers.
8731         (aff_combination_to_tree): Use sizetype for the step if a
8732         pointer.
8733
8734 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
8735
8736         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
8737         Remove commutativity hint.
8738
8739 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
8740
8741         PR c/35438
8742         PR c/35439
8743         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
8744         errorneous type.  Check that v is a VAR_DECL.
8745
8746         PR middle-end/35099
8747         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
8748
8749 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
8750
8751         PR tree-optimization/35494
8752         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
8753         may be overriden at link and run time.
8754
8755 2008-03-10  Richard Guenther  <rguenther@suse.de>
8756
8757         PR tree-optimization/34677
8758         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
8759         (poolify_tree): Likewise.
8760         (modify_expr_template): Likewise.
8761         (poolify_modify_stmt): Likewise.
8762         (insert_fake_stores): Handle all component-ref style stores
8763         in addition to INDIRECT_REF.  Also handle complex types.
8764         Do not poolify the inserted load.
8765         (realify_fake_stores): Do not rebuild the tree but only
8766         make it a SSA_NAME copy.
8767         (init_pre): Remove initialzation of modify_expr_template.
8768         Do not allocate modify_expr_node_pool.
8769         (fini_pre): Do not free modify_expr_node_pool.
8770
8771 2008-03-10  Paul Brook  <paul@codesourcery.com>
8772
8773         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
8774         to avoid conflicts.
8775
8776 2008-03-10  Paul Brook  <paul@codesourcery.com>
8777             Mark Shinwell  <shinwell@codesourcery.com>
8778
8779         * config/arm/cortex-r4.md: New.
8780         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
8781         insn attributes.
8782         * config/arm/arm.md: Include cortex-r4.md.
8783         (insn): Add smmls, sdiv and udiv values.
8784         (generic_sched): Don't use generic scheduling for Cortex-R4.
8785         (arm_issue_rate): New function.
8786         (TARGET_SCHED_ISSUE_RATE): Define.
8787
8788 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
8789
8790         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
8791
8792 2008-03-10  Richard Guenther  <rguenther@suse.de>
8793
8794         * tree-ssa-pre.c (get_sccvn_value): Simplify.
8795         (compute_avail): Do not add stmt uses to AVAIL_OUT.
8796
8797 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
8798
8799         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
8800         Set default to true.
8801
8802 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8803
8804         * c.opt (Wsynth): Deprecate.
8805         * doc/invoke.texi (Option Summary, Warning Options): Document
8806         -Wno-format-contains-nul.
8807
8808 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
8809
8810         PR target/35496
8811         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
8812         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
8813
8814 2008-03-09  Ira Rosen  <irar@il.ibm.com>
8815
8816         * config/rs6000/rs6000.c (builtin_description): Rename vector
8817         left shift operations.
8818         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
8819         (altivec_vsl<VI_char>): Rename to ...
8820         (ashl<mode>3): ... new name.
8821         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
8822         gen_ashlv4si3.
8823         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
8824
8825 2008-03-08  Richard Guenther  <rguenther@suse.de>
8826
8827         * coverage.h (tree_coverage_counter_addr): Declare.
8828         * coverage.c (tree_coverage_counter_addr): New function.
8829         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
8830         before using again.
8831         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
8832         (tree_gen_one_value_profiler): Likewise.
8833         (tree_gen_ic_profiler): Likewise.
8834         (tree_gen_average_profiler): Likewise.
8835         (tree_gen_ior_profiler): Likewise.
8836
8837 2008-03-08  Richard Guenther  <rguenther@suse.de>
8838
8839         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
8840         (vn_binary_op_insert): Likewise.
8841         (vn_unary_op_lookup): Likewise.
8842         (vn_unary_op_insert): Likewise.
8843         (vn_nary_op_lookup): Declare.
8844         (vn_nary_op_insert): Likewise.
8845         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
8846         and binary hashes, use a single obstack for unary_op_pool
8847         and binary_op_pool.
8848         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
8849         a single struct vn_nary_op_s.  Store tree code length and
8850         a variable number of operands.
8851         (struct vn_reference_op_struct): Remove unused op2.
8852         (vn_reference_op_eq): Do not compare op2.
8853         (vn_reference_op_compute_hash): Do not compute hash of op2.
8854         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
8855         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
8856         with vn_nary_op_compute_hash.
8857         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
8858         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
8859         vn_nary_op_lookup.
8860         (vn_unary_op_insert, vn_binary_op_insert): Replace with
8861         vn_nary_op_insert.
8862         (visit_unary_op): Call nary functions.
8863         (visit_binary_op): Likewise.
8864         (process_scc): Adjust for struct vn_tables_s changes.
8865         (allocate_vn_table): Likewise.
8866         (free_vn_table): Likewise.
8867         * tree-vn.c (vn_add): Call nary functions.
8868         (vn_lookup): Likewise.
8869
8870 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
8871
8872         PR target/35498
8873         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
8874         wdst back after sync_compare_and_swapqhi_internal.
8875
8876 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
8877
8878         PR target/22152
8879         * config/i386/i386-modes.def (V1DI): New vector mode.
8880         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
8881         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
8882         (MMXMODE248): Ditto.
8883         (MMXMODE): Add V1DI mode.
8884         (mmxvecsize): Change DI mode to V1DI mode.
8885         ("mov<mode>): Use MMXMODEI8 mode iterator.
8886         ("*mov<mode>_internal_rex64"): Ditto.
8887         ("*mov<mode>_internal"): Ditto.
8888         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
8889         ("mmx_sub<mode>3"): Ditto.
8890         ("mmx_adddi3"): Remove insn pattern.
8891         ("mmx_subdi3"): Ditto.
8892         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
8893         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
8894         ("mmx_ashl<mode>3"): Ditto.
8895         ("mmx_lshrdi3"): Remove insn pattern.
8896         ("mmx_ashldi3"): Ditto.
8897         * config/i386/i386.c (classify_argument): Handle V1DImode.
8898         (function_arg_advance_32): Ditto.
8899         (function_arg_32): Ditto.
8900         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
8901         mmx_addv1di3 insn pattern.
8902         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
8903         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
8904         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
8905         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
8906         Remove definitions of built-in functions.
8907         (V1DI_type_node): New node.
8908         (v1di_ftype_v1di_int): Ditto.
8909         (v1di_ftype_v1di_v1di): Ditto.
8910         (v2si_ftype_v2si_si): Ditto.
8911         (v4hi_ftype_v4hi_di): Remove node.
8912         (v2si_ftype_v2si_di): Ditto.
8913         (ix86_init_mmx_sse_builtins): Handle V1DImode.
8914         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
8915         Redefine builtins using def_builtin_const with *_ftype_*_int node.
8916         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
8917         Add new builtins using def_builtin_const.
8918         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
8919         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
8920         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
8921         * config/i386/mmintrin.h (__v1di): New typedef.
8922         (_mm_add_si64): Cast arguments to __v1di type.
8923         (_mm_sub_si64): Ditto.
8924         (_mm_sll_pi16): Cast __count to __v4hi type.
8925         (_mm_sll_pi32): Cast __count to __v2si type.
8926         (_mm_sll_si64): Cast arguments to __v1di type.
8927         (_mm_srl_pi16): Cast __count to __v4hi type.
8928         (_mm_srl_pi32): Cast __count to __v2si type.
8929         (_mm_srl_si64): Cast arguments to __v1di type.
8930         (_mm_sra_pi16): Cast __count to __v4hi type.
8931         (_mm_sra_pi32): Cast __count to __v2si type.
8932         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
8933         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
8934         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
8935         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
8936         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
8937         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
8938         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
8939         (_mm_srai_pi32): Use __builtin_ia32_psradi.
8940         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
8941         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
8942         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
8943         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
8944
8945 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
8946
8947         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
8948
8949 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
8950
8951         PR target/35373
8952         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
8953         reg+const addressing for Altivec modes.  Don't generate reg+reg
8954         addressing for TFmode or TDmode quantities.
8955
8956 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
8957
8958         * c-common.c (vector_types_convertible_p): Call langhook
8959         instead of comptypes.
8960
8961 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8962
8963         PR tree-opt/35402
8964         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
8965         integral and scalar float variables which have a
8966         NULL DECL_INITIAL.
8967
8968 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
8969
8970         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
8971         dwarf_register_span hook when emitting unwind information for
8972         register-to-memory saves.
8973         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
8974         (rs6000_frame_related): Remove call to spe_synthesize_frame.
8975
8976 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
8977
8978         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
8979         for the same VAR_DECL.
8980
8981 2008-03-06  Tom Tromey  <tromey@redhat.com>
8982
8983         * treelang: Delete.
8984         * doc/standards.texi (Standards): Don't mention treelang.
8985         * doc/invoke.texi (Overall Options): Don't mention treelang.
8986         * doc/install.texi (Prerequisites): Don't mention bison or
8987         treelang.
8988         (Configuration): Don't mention treelang.
8989         (Building): Likewise.
8990         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
8991
8992 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
8993
8994         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
8995         word-extractions out of a multi-word object.
8996
8997 2008-03-06  Richard Guenther  <rguenther@suse.de>
8998
8999         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
9000         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
9001         result type and precision.
9002         * expr.c (get_inner_reference): Set unsignedp based on the result
9003         type of BIT_FIELD_REF.
9004         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
9005         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
9006         (try_instantiate_multiple_fields): Likewise.  Use the correct type
9007         for BIT_FIELD_REF.
9008         (sra_build_assignment): Likewise.
9009         (sra_build_elt_assignment): Likewise.
9010         (sra_explode_bitfield_assignment): Likewise.
9011         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
9012         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
9013         set BIT_FIELD_REF_UNSIGNED.
9014         (vectorizable_load): Likewise.
9015
9016 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
9017
9018         * cse.c (cse_extended_basic_block): Invalidate artificial defs
9019         at bb start.
9020
9021 2008-03-06  Richard Guenther  <rguenther@suse.de>
9022
9023         * alias.c (struct alias_set_entry): Move has_zero_child field
9024         to pack with alias_set.
9025
9026 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
9027
9028         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
9029         32bit host.
9030
9031 2008-03-05  Ian Lance Taylor  <iant@google.com>
9032
9033         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
9034
9035 2008-03-05  Kenneth Zadeck  <zadeck@naturalbridge.com>
9036
9037         * fwprop.c (update_df): Support width and offset parameters of
9038         df_ref_create.
9039         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
9040         global_conflicts): Change DF_REF_EXTRACT to either
9041         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
9042         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
9043         * df-scan.c (df_ref_record, df_defs_record,
9044         df_ref_create_structure, df_def_record_1, df_uses_record,
9045         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
9046         df_bb_refs_collect, df_entry_block_defs_collect,
9047         df_exit_block_uses_collect): Support new width and offset fields.
9048         (ref_extract_pool): New storage pool.
9049         (df_free_ref): New function.
9050         (df_reg_chain_unlink, df_free_collection_rec,
9051         df_sort_and_compress_refs): Call df_free_ref.
9052         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
9053         of df_ref_extract.
9054         (df_ref_create_structure): Allocate df_ref_extract if offset and
9055         width fields are used.
9056         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
9057         (df_uses_record): Get offset and width from ZERO_EXTRACT 
9058         and SIGN_EXTRACT.
9059         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
9060         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
9061         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
9062         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
9063         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
9064         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
9065         (df_ref_extract): New structure.
9066         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
9067         (df_ref_create): Add width and offset parameters.
9068         
9069 2008-03-05  Richard Guenther  <rguenther@suse.de>
9070
9071         * tree-ssa-structalias.c (get_constraint_for_component_ref):
9072         Use ranges_overlap_p.
9073         (offset_overlaps_with_access): Rename
9074         to ranges_overlap_p and move ...
9075         * tree-flow-inline.h (ranges_overlap_p): ... here.
9076
9077         * tree.h (get_inner_reference, handled_component_p): Update
9078         comments.
9079
9080         * tree.h (record_component_aliases, get_alias_set,
9081         alias_sets_conflict_p, alias_sets_must_conflict_p,
9082         objects_must_conflict_p): Move declarations ...
9083         * alias.h (record_component_aliases, get_alias_set,
9084         alias_sets_conflict_p, alias_sets_must_conflict_p,
9085         objects_must_conflict_p): ... here.
9086         Include coretypes.h.
9087         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
9088
9089 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
9090
9091         * cfg.c: Include tree-flow.h.
9092         (remove_edge_raw): Call redirect_edge_var_map_clear.
9093         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
9094         * tree-flow-inline.h (redirect_edge_var_map_def): New.
9095         (redirect_edge_var_map_result): New.
9096         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
9097         PENDING_STMT use with redirect_edge_var_map_*.
9098         * tree-ssa.c (edge_var_maps): New definition.
9099         (redirect_edge_var_map_add): New.
9100         (redirect_edge_var_map_clear): New.
9101         (redirect_edge_var_map_dup): New.
9102         (redirect_edge_var_map_vector): New.
9103         (redirect_edge_var_map_destroy): New.
9104         (ssa_redirect_edge): Replace PENDING_STMT use with
9105         redirect_edge_var_map_*.
9106         (flush_pending_stmts): Same.
9107         (delete_tree_ssa): Destroy edge var map.
9108         * tree-flow.h (struct _edge_var_map): New.
9109         Define edge_var_map vector type.
9110         Declare redirect_edge_var_map_* prototypes.
9111         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
9112         * tree-cfg.c (reinstall_phi_args): Replace
9113         PENDING_STMT use with redirect_edge_var_map_*.
9114
9115 2008-03-05  Richard Guenther  <rguenther@suse.de>
9116
9117         PR tree-optimization/35472
9118         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
9119         whose single use_stmt has a overlapping set of loaded and
9120         stored symbols as that use_stmt might be a noop assignment then.
9121
9122 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
9123
9124         * gthr-rtems.h: Implement __gthread_mutex_destroy.
9125
9126 2008-03-05  Richard Guenther  <rguenther@suse.de>
9127
9128         PR c++/35336
9129         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
9130         should be constants.
9131         * tree-cfg.c (verify_expr): Verify it.
9132         * fold-const.c (fold_truthop): Remove code generating
9133         BIT_FIELD_REFs of structure bases.
9134         (fold_binary): Likewise.
9135         (fold_ternary): Position and size of BIT_FIELD_REFs are
9136         always host integers.
9137         (make_bit_field_ref): Remove.
9138         (optimize_bit_field_compare): Remove.
9139         (all_ones_mask_p): Remove.
9140
9141 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
9142
9143         PR gcc/33009
9144         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
9145         (split_block_and_df_analyze): New. Split basic block and rebuild
9146         dataflow.
9147         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
9148         SPLIT_BLOCK.
9149         (split_pattern_seq): Likewise.
9150         (erase_matching_seqs): Likewise.
9151         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
9152
9153 2008-03-04  Geoff Keating  <geoffk@apple.com>
9154
9155         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
9156         declaration and code.
9157         (tree_invalid_nonnegative_warnv_p): Likewise.
9158
9159 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
9160
9161         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
9162         examples.  Truncate option-names then causing overfull hbox.
9163
9164 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9165
9166         PR target/35222
9167         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
9168         on hpux10.
9169         * configure: Rebuilt.
9170
9171 2008-03-04  Rafael Espindola  <espindola@google.com>
9172
9173         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
9174         (tree_unary_nonnegative_warnv_p): New.
9175         (tree_binary_nonnegative_warnv_p): New.
9176         (tree_single_nonnegative_warnv_p): New.
9177         (tree_invalid_nonnegative_warnv_p): New.
9178         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
9179
9180 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9181
9182         PR 28322
9183         * opts.c (handle_option): Postpone 'unknown option' errors only for
9184         warning options.
9185
9186 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
9187
9188         PR target/35453
9189         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
9190         (_SIDD_XXX): This.
9191
9192 2008-03-04  Rafael Espindola  <espindola@google.com>
9193
9194         * fold-const.c (tree_unary_nonzero_warnv_p): New.
9195         (tree_binary_nonzero_warnv_p): New.
9196         (tree_single_nonzero_warnv_p): New.
9197         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
9198
9199 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
9200
9201         PR middle-end/35456
9202         * fold-const.c (fold_cond_expr_with_comparison): Prevent
9203         transformations for modes that have signed zeros.
9204         * ifcvt.c (noce_try_abs): Ditto.
9205
9206 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
9207
9208         * config/i386/i386.c (override_options): Force
9209         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
9210
9211 2008-03-04  Jan Hubicka  <jh@suse.cz>
9212
9213         PR c++/35262
9214         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
9215         in last commit.
9216
9217 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
9218
9219         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
9220         label to probe the stack.
9221
9222 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
9223
9224         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
9225         (__gthr_win32_mutex_destroy): Declare.
9226         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
9227         __gthr_win32_mutex_destroy.
9228         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
9229
9230 2008-03-03  Jan Hubicka  <jh@suse.cz>
9231
9232         PR c++/35262
9233         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
9234         aggressive on inlining cold calls.
9235
9236 2008-03-03  Richard Guenther  <rguenther@suse.de>
9237
9238         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
9239         struct copies into the expression table.
9240         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
9241         (try_to_simplify): Likewise.
9242         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
9243         integral and pointer arguments which do not change the
9244         precision to NOP_EXPRs.
9245         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
9246         VIEW_CONVERT_EXPR case.
9247
9248 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
9249
9250         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
9251         defined in a loop at depth 0 is invariant.
9252         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
9253         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
9254         be called at loop depth 0.
9255
9256 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
9257
9258         PR driver/35420
9259         * gcc.c (process_command): Update copyright notice dates.
9260         * gcov.c (print_version): Likewise.
9261         * gcov-dump.c (print_version): Likewise.
9262         * mips-tfile.c (main): Likewise.
9263         * mips-tdump.c (main): Likewise.
9264
9265 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9266
9267         PR 24924
9268         * c-common.c (flag_permissive): Delete.
9269         (constant_expression_warnings): Check flags first.
9270         (constant_expression_error): New.
9271         * c-common.h (flag_permissive): Delete.
9272         (constant_expression_error): Declare.
9273         * flags.h (flag_permissive): Declare. Update description.
9274         * diagnostic.c (pedwarn): Update.
9275         (permerror): New.
9276         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
9277         (permissive_error_kind): New.
9278         * toplev.c (flag_permissive): Define. Update description.
9279         * toplev.h (permissive_error_kind): Declare.
9280         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
9281         (pedwarn_c90): Use pedantic_warning_kind.
9282         * c-opts.c (c_common_post_options): flag_permissive does not affect
9283         flag_pedantic_errors.
9284
9285 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
9286
9287         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
9288         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
9289         __absvsi2, __absvDI2): Use unsigned arithmetic.
9290
9291 2008-03-02  Andi Kleen  <ak@suse.de>
9292             Richard Guenther  <rguenther@suse.de>
9293
9294         * struct-equiv.c: Remove file.
9295         * cfg_cleanup.c (condjump_equiv_p): Remove.
9296         * Makefile.in (OBJS-common): Remove struct-equiv.o.
9297         (struct-equiv.o): Remove rule.
9298         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
9299         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
9300         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
9301
9302 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
9303
9304         * ifcvt.c (noce_process_if_block): Try to handle only the then
9305         block if the else block exists but isn't suitable.
9306
9307 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
9308
9309         PR gcc/35063
9310         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
9311         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
9312         regression from previous patch.
9313
9314 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
9315
9316         PR gcc/35063
9317         * gthr.h: Add __gthread_mutex_destroy as a function that must be
9318         implemented.
9319         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
9320         * gthr-single.h (__gthread_mutex_destroy): Likewise.
9321         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
9322         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
9323         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
9324         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
9325         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
9326         (__gthread_mutex_destroy_function): Rename to
9327         __gthread_mutex_destroy.
9328         * gthr-dce.h (__gthread_mutex_destroy): Call
9329         pthread_mutex_destroy.
9330         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
9331         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
9332         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
9333
9334 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
9335
9336         * df-scan.c (df_ref_chain_change_bb): Simplify.
9337         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
9338         set_block_for_insn if there's any change.
9339         * df.h ((df_insn_change_bb): Fix prototype.
9340         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
9341         df_insn_change_bb, don't call set_block_for_insn.
9342         * emit-rtl.c (reorder_insns): Likewise.
9343         * haifa-sched.c (move_insn): Likewise.
9344
9345 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
9346
9347         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
9348
9349 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
9350
9351         * tree-flow-inline.h (next_readonly_imm_use): Return
9352         NULL_USE_OPERAND_P after the end.
9353
9354 2008-03-01  Richard Guenther  <rguenther@suse.de>
9355
9356         PR tree-optimization/35411
9357         * tree-sra.c (sra_build_assignment): Split conversion to
9358         final type to a separate statement if we are not assigning
9359         to a register.
9360
9361 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
9362
9363         * fold-const.c (fold_convertible_p): Correct the logic to follow
9364         that in fold_convert().
9365
9366 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
9367
9368         PR c++/35315
9369         * tree-inline.c (build_duplicate_type): When we make a
9370         duplicate type, make it unique in the canonical types system.
9371
9372 2008-02-29  Tom Tromey  <tromey@redhat.com>
9373
9374         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
9375         input_file_stack_history, input_file_stack_restored): Remove.
9376         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
9377         * input.h (struct file_stack): Remove.
9378         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
9379         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
9380         Likewise.
9381         * diagnostic.h (struct diagnostic_context) <last_module>: Change
9382         type.
9383         (diagnostic_last_module_changed): Add 'map' argument.
9384         (diagnostic_set_last_function): Likewise.
9385         * diagnostic.c (undiagnostic_report_current_module): Iterate using
9386         line map, not input_file_stack.
9387         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
9388
9389 2008-02-29  Paul Brook  <paul@codesourcery.com>
9390
9391         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
9392
9393 2008-02-29  Paul Brook  <paul@codesourcery.com>
9394
9395         * config/arm/ieee754-df.S (muldf3): Use RET macros.
9396
9397 2008-02-29  Richard Guenther  <rguenther@suse.de>
9398
9399         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
9400         vn_lookup_or_add.
9401         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
9402         value for comparing for a store match.
9403         (simplify_unary_expression): Do nothing for SSA_NAMEs.
9404         (try_to_simplify): Do not do a full-blown reference lookup.
9405
9406 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
9407
9408         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
9409         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
9410
9411         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
9412
9413 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
9414
9415         * tree-loop-linear.c (try_interchange_loops): Compare memory access
9416         strides against cache sizes.
9417
9418 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
9419
9420         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
9421         constant to fpul.
9422
9423 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
9424
9425         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
9426         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
9427         is smaller than the original promoted value.
9428         (simplify_subreg): If OP is a SUBREG, try to preserve its
9429         SUBREG_PROMOTED_VAR_P information.
9430
9431 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
9432
9433         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
9434         (VN_INFO_GET): Allocate new objects on the obstack.
9435         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
9436         for rpo_numbers_temp, for consistency.
9437         (free_scc_vn): Free the obstack.
9438
9439 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
9440
9441         * doc/invoke.texi: Document -ftree-loop-distribution.
9442         * tree-loop-distribution.c: New.
9443         * tree-pass.h (pass_loop_distribution): New.
9444         * graphds.h (struct graph): Add htab_t indices.
9445         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
9446         * tree-vectorizer.c (rename_variables_in_loop): Extern.
9447         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
9448         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
9449         * tree-data-ref.c (debug_data_dependence_relations): New.
9450         (dump_data_dependence_relation): Also print data references.
9451         (free_data_ref): Extern.
9452         (same_access_functions): Moved...
9453         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
9454         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
9455         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
9456         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
9457         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
9458         (stmts_from_loop): Skip LABEL_EXPR.
9459         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
9460         New.
9461         (build_rdg): Initialize rdg->indices htab.
9462         (free_rdg, stores_from_loop, ref_base_address,
9463         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
9464         have_similar_memory_accesses_1, ref_base_address_1,
9465         remove_similar_memory_refs): New.
9466         * tree-data-ref.h: Depend on tree-chrec.h.
9467         (debug_data_dependence_relations, free_data_ref): Declared.
9468         (same_access_functions): ... here.
9469         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
9470         New.
9471         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
9472         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
9473         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
9474         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
9475         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
9476         rdg_vertex_for_stmt): Declared.
9477         (struct rdg_edge): Add level.
9478         (RDGE_LEVEL): New.
9479         (free_rdg, stores_from_loop, remove_similar_memory_refs,
9480         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
9481         Declared.
9482         (rdg_has_similar_memory_accesses): New.
9483         * tree-vect-analyze.c: Remove unused static decls.
9484         * lambda.h (dependence_level): New.
9485         * common.opt (ftree-loop-distribution): New.
9486         * tree-flow.h (mark_virtual_ops_in_bb, 
9487         slpeel_tree_duplicate_loop_to_edge_cfg,
9488         rename_variables_in_loop): Declared.
9489         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
9490         (OBJS-common): Add tree-loop-distribution.o.
9491         (tree-loop-distribution.o): New rule.
9492         * tree-cfg.c (mark_virtual_ops_in_bb): New.
9493         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
9494         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
9495
9496 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
9497
9498         PR target/33963
9499         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
9500         other than structures and unions.
9501
9502 2008-02-28  Richard Guenther  <rguenther@suse.de>
9503
9504         Revert:
9505         2008-02-26  Richard Guenther  <rguenther@suse.de>
9506
9507         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
9508         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
9509         (lookup_decl_from_uid): Declare.
9510         (remove_decl_from_map): Likewise.
9511         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
9512         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
9513         (decl_for_uid_map): New global hashtable mapping DECL_UID
9514         to the decl tree.
9515         (init_ttree): Allocate it.
9516         (insert_decl_to_uid_decl_map): New helper function.
9517         (make_node_stat): Insert new decls into the map.
9518         (copy_node_stat): Likewise.
9519         (lookup_decl_from_uid): New function.
9520         (remove_decl_from_map): Likewise.
9521         (print_decl_for_uid_map_statistics): New helper.
9522         (dump_tree_statistics): Call it.
9523
9524         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
9525         (referenced_var_iterator): Adjust.
9526         (FOR_EACH_REFERENCED_VAR): Adjust.
9527         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
9528         (num_referenced_vars): Adjust.
9529         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
9530         (first_referenced_var): Remove.
9531         (end_referenced_vars_p): Likewise.
9532         (next_referenced_var): Likewise.
9533         (referenced_var_iterator_set): New helper function.
9534         * tree-dfa.c (referenced_var_lookup): Adjust.
9535         (referenced_var_check_and_insert): Likewise.
9536         (remove_referenced_var): Likewise.
9537         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
9538         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
9539         (verify_call_clobbering): Likewise.
9540         (verify_memory_partitions): Likewise.
9541         (init_tree_ssa): Allocate bitmap instead of hashtable for
9542         referenced_vars.
9543         (delete_tree_ssa): Adjust.
9544         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
9545         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
9546         (compute_tag_properties): Likewise.
9547         (set_initial_properties): Likewise.
9548         (find_partition_for): Likewise.
9549         (update_reference_counts): Likewise.
9550         (dump_may_aliases_for): Likewise.
9551         * tree-ssa-operands.c (add_virtual_operand): Likewise.
9552         (add_call_clobber_ops): Likewise.
9553         (add_call_read_ops): Likewise.
9554         (get_asm_expr_operands): Likewise.
9555         * tree-into-ssa.c (dump_decl_set): Likewise.
9556         (update_ssa): Likewise.
9557         * tree-sra.c (scan_function): Likewise.
9558         (decide_instantiations): Likewise.
9559         (scalarize_parms): Likewise.
9560         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
9561         (dsa_named_for): Likewise.
9562         * tree-ssa-structalias.c (update_alias_info): Likewise.
9563         (merge_smts_into): Likewise.
9564
9565 2008-02-27  David Daney  <ddaney@avtrex.com>
9566
9567         PR target/34409
9568         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
9569         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
9570         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
9571         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
9572         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
9573
9574 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
9575
9576         PR target/25477
9577         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
9578         (BUILT_IN_NEXTTOWARD): Remove.
9579         (BUILT_IN_NEXTTOWARDF): Ditto.
9580         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
9581         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
9582
9583 2008-02-27  Tom Tromey  <tromey@redhat.com>
9584
9585         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
9586         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
9587
9588 2008-02-27  Jan Beulich  <jbeulich@novell.com>
9589
9590         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
9591         update the respective field on newdecl.
9592
9593 2008-02-27  Revital Eres  <eres@il.ibm.com>
9594
9595         PR rtl-optimization/34999
9596         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
9597         crossing edges that ends with a call insn.
9598         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
9599         call insn and clear the EDGE_CROSSING flag of the crossing edge
9600         when fixing fallthru edges.
9601
9602 2008-02-27  Richard Guenther  <rguenther@suse.de>
9603
9604         PR middle-end/35390
9605         * fold-const.c (fold_unary): Return the correct argument,
9606         converted to the result type.
9607
9608 2008-02-27  Richard Guenther  <rguenther@suse.de>
9609
9610         PR middle-end/34971
9611         * expr.c (expand_expr_real_1): Assert on rotates that operate
9612         on partial modes.
9613         * fold-const.c (fold_binary): Use the types precision, not the
9614         bitsize of the mode if folding rotate expressions.  Build rotates
9615         only for full modes.
9616
9617 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
9618
9619         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
9620         and CPP_PRAGMA_EOL.
9621         * c-pragma.c (pragma_ns_name): New typedef.
9622         (registered_pp_pragmas): New variable.
9623         (c_pp_lookup_pragma): New function.
9624         (c_register_pragma_1): If flag_preprocess_only, do nothing
9625         for non-expanded pragmas, for expanded ones push pragma's
9626         namespace and name into registered_pp_pragmas vector.
9627         (c_invoke_pragma_handler): Register OpenMP pragmas even when
9628         flag_preprocess_only, don't register GCC pch_preprocess
9629         pragma if flag_preprocess_only.
9630         * c-opts.c (c_common_init): Call init_pragma even if
9631         flag_preprocess_only.
9632         * c-pragma.c (c_pp_lookup_pragma): New prototype.
9633         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
9634         cpp_register_pragma if flag_preprocess_only.
9635
9636 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9637
9638         PR c/28800
9639         * c-parser.c (c_parser_translation_unit): Warn for empty
9640         translation unit, not empty source file.
9641
9642 2008-02-26  Paul Brook  <paul@codesourcery.com>
9643
9644         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
9645         operand for Thumb-2.
9646         * config/arm/arm.h (reg_class): Add CORE_REGS.
9647         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
9648         (BASE_REG_CLASS): Use CORE_REGS.
9649         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
9650         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
9651         (REGNO_OK_FOR_INDEX_P): Exclude SP.
9652         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
9653         ARM_REGNO_OK_FOR_INDEX_P.
9654         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
9655         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
9656         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
9657         (ldm/stm peepholes): Ditto.
9658         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
9659         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
9660         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
9661         * config/arm/constraints.md: Enable "k" constraint on ARM.
9662
9663 2008-02-27  Ben Elliston  <bje@au.ibm.com>
9664
9665         * config/rs6000/rs6000.c: Annotate cache line size field in all
9666         instances of struct processor_costs.
9667
9668 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
9669
9670         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
9671         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
9672         jump_bypass): New counters.
9673         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
9674         * dce.c (gate_ud_dce): Same.
9675         (gate_fast_dce): Same.
9676         * dse.c (gate_dse1): New function.
9677         (gate_dse2): New function.
9678         (gate_dse): Merge results of new gate functions.
9679         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
9680         (gate_handle_jump_bypass): Add dbg_cnt.
9681         (gate_handle_gcse): Add dbg_cnt.
9682         * ifcvt.c (gate_handle_if_conversion): Same.
9683         (gate_handle_if_after_combine): Same.
9684         (gate_handle_if_after_reload): Same.
9685         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
9686
9687 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
9688
9689         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
9690         line sizes.
9691         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
9692
9693 2008-02-26  Jason Merrill  <jason@redhat.com>
9694
9695         PR c++/35315
9696         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
9697         alone if it's the naming decl for the type's main variant.
9698
9699 2008-02-26  Tom Tromey  <tromey@redhat.com>
9700
9701         * system.h (USE_MAPPED_LOCATION): Poison.
9702         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
9703         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
9704         (make_goto_expr_edges): Likewise.
9705         (remove_bb): Likewise.
9706         (execute_warn_function_return): Likewise.
9707         * basic-block.h (struct edge_def) <goto_locus>: Change type to
9708         location_t.
9709         * c-common.c (fname_decl): Remove old location code.
9710         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
9711         location code.
9712         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
9713         variant.
9714         (ASM_INPUT_SOURCE_LOCATION): Likewise.
9715         (gen_rtx_ASM_INPUT): Likewise.
9716         (gen_rtx_ASM_INPUT_loc): Likewise.
9717         (get_rtx_asm_OPERANDS): Remove.
9718         * cfglayout.c (insn_locators_alloc): Remove old location code.
9719         (set_curr_insn_source_location): Likewise.
9720         (curr_insn_locator): Likewise.
9721         * print-tree.c (print_node): Remove old location code.
9722         * tree-mudflap.c (mf_varname_tree): Remove old location code.
9723         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
9724         * cfgexpand.c (expand_gimple_cond_expr): Don't use
9725         location_from_locus.
9726         (construct_exit_block): Remove old location code.
9727         * emit-rtl.c (force_next_line_note): Remove old location code.
9728         * profile.c (branch_prob): Remove old location code.
9729         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
9730         LOC_LINE): Remove old-location variants.
9731         * langhooks.c (lhd_print_error_function): Remove old location
9732         code.
9733         * configure, config.in: Rebuilt.
9734         * configure.ac (--enable-mapped-location): Remove.
9735         * c-decl.c (c_init_decl_processing): Remove old location code.
9736         (finish_function): Likewise.
9737         * recog.c (decode_asm_operands): Remove old location code.
9738         * c-pch.c (c_common_read_pch): Remove old location code.
9739         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
9740         variants.
9741         * gimple-low.c (lower_function_body): Remove old location code.
9742         * toplev.c (unknown_location): Remove.
9743         (push_srcloc): Remove old-location variant.
9744         (process_options): Remove old location code.
9745         (lang_dependent_init): Likewise.
9746         * input.h (UNKNOWN_LOCATION): Move definition.
9747         (location_t): Undeprecate.
9748         (source_locus): Remove.
9749         (location_from_locus): Remove.
9750         (struct location_s): Remove.
9751         Remove all old-location code.
9752         (input_line, input_filename): Remove.
9753         * final.c (final_scan_insn): Remove old location code.
9754         * diagnostic.c (diagnostic_build_prefix): Remove
9755         USE_MAPPED_LOCATION test.
9756         * tree.h (gimple_stmt) <locus>: Now a location_t.
9757         (tree_exp) <locus>: Likewise.
9758         (DECL_IS_BUILTIN): Remove old-location variant.
9759         (annotate_with_file_line, annotate_with_locus): Likewise.
9760         (expr_locus, set_expr_locus): Update.
9761         * tree.c (build1_stat): Remove old location code.
9762         (last_annotated_node): Remove.
9763         (annotate_with_file_line): Remove old-location variant.
9764         (annotate_with_locus): Likewise.
9765         (expr_location): Remove old location code.
9766         (set_expr_location): Likewise.
9767         (expr_has_location): Likewise.
9768         (expr_locus): Likewise.
9769         (set_expr_locus): Likewise.
9770         (expr_filename): Don't use location_from_locus.
9771         (expr_lineno): Likewise.
9772         * rtl-error.c (location_for_asm): Remove old location code.
9773         * c-lex.c (cb_line_change): Remove old location code.
9774         (fe_file_change): Likewise.
9775         (cb_def_pragma): Likewise.
9776         (c_lex_with_flags): Likewise.
9777         * gengtype.c (do_typedef): Don't special-case location types.
9778         (define_location_structures): Remove.
9779         (main): Don't call define_location_structures.
9780         * tree-pretty-print.c (dump_implicit_edges): Remove old location
9781         code.
9782
9783 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9784
9785         PR 26264
9786         * builtins.def (BUILT_IN_STDARG_START): Remove.
9787         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
9788         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
9789         * tree-inline.c (inline_forbidden_p_1): Likewise.
9790         
9791 2008-02-26  Richard Guenther  <rguenther@suse.de>
9792
9793         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
9794         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
9795         (lookup_decl_from_uid): Declare.
9796         (remove_decl_from_map): Likewise.
9797         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
9798         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
9799         (decl_for_uid_map): New global hashtable mapping DECL_UID
9800         to the decl tree.
9801         (init_ttree): Allocate it.
9802         (insert_decl_to_uid_decl_map): New helper function.
9803         (make_node_stat): Insert new decls into the map.
9804         (copy_node_stat): Likewise.
9805         (lookup_decl_from_uid): New function.
9806         (remove_decl_from_map): Likewise.
9807         (print_decl_for_uid_map_statistics): New helper.
9808         (dump_tree_statistics): Call it.
9809
9810         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
9811         (referenced_var_iterator): Adjust.
9812         (FOR_EACH_REFERENCED_VAR): Adjust.
9813         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
9814         (num_referenced_vars): Adjust.
9815         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
9816         (first_referenced_var): Remove.
9817         (end_referenced_vars_p): Likewise.
9818         (next_referenced_var): Likewise.
9819         (referenced_var_iterator_set): New helper function.
9820         * tree-dfa.c (referenced_var_lookup): Adjust.
9821         (referenced_var_check_and_insert): Likewise.
9822         (remove_referenced_var): Likewise.
9823         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
9824         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
9825         (verify_call_clobbering): Likewise.
9826         (verify_memory_partitions): Likewise.
9827         (init_tree_ssa): Allocate bitmap instead of hashtable for
9828         referenced_vars.
9829         (delete_tree_ssa): Adjust.
9830         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
9831         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
9832         (compute_tag_properties): Likewise.
9833         (set_initial_properties): Likewise.
9834         (find_partition_for): Likewise.
9835         (update_reference_counts): Likewise.
9836         (dump_may_aliases_for): Likewise.
9837         * tree-ssa-operands.c (add_virtual_operand): Likewise.
9838         (add_call_clobber_ops): Likewise.
9839         (add_call_read_ops): Likewise.
9840         (get_asm_expr_operands): Likewise.
9841         * tree-into-ssa.c (dump_decl_set): Likewise.
9842         (update_ssa): Likewise.
9843         * tree-sra.c (scan_function): Likewise.
9844         (decide_instantiations): Likewise.
9845         (scalarize_parms): Likewise.
9846         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
9847         (dsa_named_for): Likewise.
9848         * tree-ssa-structalias.c (update_alias_info): Likewise.
9849         (merge_smts_into): Likewise.
9850
9851 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9852
9853         PR 34351
9854         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
9855         * c-opts.c (c_common_handle_option): Wall enables
9856         Wvolatile-register-var.
9857         * common.opt: Move Wvolatile-register-var to...
9858         * c.opt: ...here.
9859         
9860 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9861
9862         * common.opt (Wlarger-than=): New.
9863         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
9864         -Wlarger-than=.
9865         * opts.c (common_handle_option): Handle -Wlarger-than=.
9866         * optc-gen.awk: Likewise.
9867         * opth-gen.awk: Likewise.
9868         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
9869         * tree-optimize.c (tree_rest_of_compilation): Likewise.
9870         
9871 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
9872
9873         * c-common.c (match_case_to_enum_1): Add appropriate
9874         OPT_W* parameter to warning.
9875         (c_do_switch_warnings): Likewise.
9876         * c-typeck.c (warning_init): Add one more parameter following
9877         'warning' function.
9878         (push_init_level): Update call to warning_init.
9879         (pop_init_level): Likewise.
9880         (add_pending_init): Likewise.
9881         (output_init_element: Likewise.
9882
9883 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9884
9885         PR 28322
9886         * toplev.c (toplev_main): If there are warnings or error, print
9887         errors for ignored options.
9888         * opts.c (ignored_options): New static variable.
9889         (postpone_unknown_option_error): New.
9890         (print_ignored_options): New.
9891         (handle_option): Postpone errors for unknown -Wno-* options.
9892         * opts.h (print_ignored_options): Declare.
9893         
9894 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
9895
9896         * config/mips/mips.md (loadgp_blockage, blockage): Change type
9897         to "ghost".
9898
9899 2008-02-25  Richard Guenther  <rguenther@suse.de>
9900
9901         Revert:
9902         2008-02-25  Richard Guenther  <rguenther@suse.de>
9903
9904         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
9905         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
9906         (lookup_decl_from_uid): Declare.
9907         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
9908         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
9909         (decl_for_uid_map): New global hashtable mapping DECL_UID
9910         to the decl tree.
9911         (init_ttree): Allocate it.
9912         (insert_decl_to_uid_decl_map): New helper function.
9913         (make_node_stat): Insert new decls into the map.
9914         (copy_node_stat): Likewise.
9915         (lookup_decl_from_uid): New function.
9916         (print_decl_for_uid_map_statistics): New helper.
9917         (dump_tree_statistics): Call it.
9918
9919         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
9920         (referenced_var_iterator): Adjust.
9921         (FOR_EACH_REFERENCED_VAR): Adjust.
9922         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
9923         (num_referenced_vars): Adjust.
9924         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
9925         (first_referenced_var): Remove.
9926         (end_referenced_vars_p): Likewise.
9927         (next_referenced_var): Likewise.
9928         (referenced_var_iterator_set): New helper function.
9929         * tree-dfa.c (referenced_var_lookup): Adjust.
9930         (referenced_var_check_and_insert): Likewise.
9931         (remove_referenced_var): Likewise.
9932         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
9933         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
9934         (verify_call_clobbering): Likewise.
9935         (verify_memory_partitions): Likewise.
9936         (init_tree_ssa): Allocate bitmap instead of hashtable for
9937         referenced_vars.
9938         (delete_tree_ssa): Adjust.
9939         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
9940         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
9941         (compute_tag_properties): Likewise.
9942         (set_initial_properties): Likewise.
9943         (find_partition_for): Likewise.
9944         (update_reference_counts): Likewise.
9945         (dump_may_aliases_for): Likewise.
9946         * tree-ssa-operands.c (add_virtual_operand): Likewise.
9947         (add_call_clobber_ops): Likewise.
9948         (add_call_read_ops): Likewise.
9949         (get_asm_expr_operands): Likewise.
9950         * tree-into-ssa.c (dump_decl_set): Likewise.
9951         (update_ssa): Likewise.
9952         * tree-sra.c (scan_function): Likewise.
9953         (decide_instantiations): Likewise.
9954         (scalarize_parms): Likewise.
9955         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
9956         (dsa_named_for): Likewise.
9957         * tree-ssa-structalias.c (update_alias_info): Likewise.
9958         (merge_smts_into): Likewise.
9959
9960 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
9961
9962         PR fortran/29549
9963         * doc/invoke.texi (-fcx-limited-range): Document new option.
9964         * toplev.c (process_options): Handle -fcx-fortran-rules.
9965         * common.opt: Add documentation for -fcx-fortran-rules.
9966
9967 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
9968
9969         PR c/35162
9970         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
9971         actual behaviour and C99.
9972         
9973 2008-02-26  Ben Elliston  <bje@au.ibm.com>
9974
9975         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
9976         (ASM_CPU_POWER6_SPEC): Likewise.
9977         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
9978         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
9979         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
9980
9981 2008-02-25  Richard Guenther  <rguenther@suse.de>
9982
9983         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
9984         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
9985         (lookup_decl_from_uid): Declare.
9986         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
9987         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
9988         (decl_for_uid_map): New global hashtable mapping DECL_UID
9989         to the decl tree.
9990         (init_ttree): Allocate it.
9991         (insert_decl_to_uid_decl_map): New helper function.
9992         (make_node_stat): Insert new decls into the map.
9993         (copy_node_stat): Likewise.
9994         (lookup_decl_from_uid): New function.
9995         (print_decl_for_uid_map_statistics): New helper.
9996         (dump_tree_statistics): Call it.
9997
9998         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
9999         (referenced_var_iterator): Adjust.
10000         (FOR_EACH_REFERENCED_VAR): Adjust.
10001         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
10002         (num_referenced_vars): Adjust.
10003         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
10004         (first_referenced_var): Remove.
10005         (end_referenced_vars_p): Likewise.
10006         (next_referenced_var): Likewise.
10007         (referenced_var_iterator_set): New helper function.
10008         * tree-dfa.c (referenced_var_lookup): Adjust.
10009         (referenced_var_check_and_insert): Likewise.
10010         (remove_referenced_var): Likewise.
10011         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
10012         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
10013         (verify_call_clobbering): Likewise.
10014         (verify_memory_partitions): Likewise.
10015         (init_tree_ssa): Allocate bitmap instead of hashtable for
10016         referenced_vars.
10017         (delete_tree_ssa): Adjust.
10018         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
10019         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
10020         (compute_tag_properties): Likewise.
10021         (set_initial_properties): Likewise.
10022         (find_partition_for): Likewise.
10023         (update_reference_counts): Likewise.
10024         (dump_may_aliases_for): Likewise.
10025         * tree-ssa-operands.c (add_virtual_operand): Likewise.
10026         (add_call_clobber_ops): Likewise.
10027         (add_call_read_ops): Likewise.
10028         (get_asm_expr_operands): Likewise.
10029         * tree-into-ssa.c (dump_decl_set): Likewise.
10030         (update_ssa): Likewise.
10031         * tree-sra.c (scan_function): Likewise.
10032         (decide_instantiations): Likewise.
10033         (scalarize_parms): Likewise.
10034         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
10035         (dsa_named_for): Likewise.
10036         * tree-ssa-structalias.c (update_alias_info): Likewise.
10037         (merge_smts_into): Likewise.
10038
10039 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
10040
10041         PR target/35258
10042         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
10043         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
10044         * alias.h (nonoverlapping_memrefs_p): Likewise.
10045
10046 2008-02-25  Jan Beulich  <jbeulich@novell.com>
10047
10048         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
10049         * config/i386/netware-libgcc.exp: Add __bswap?i2,
10050         __emultls_get_address, __emultls_register_common,
10051         __floatundi?f, and _Unwind_GetIPInfo.
10052         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
10053         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
10054         (gen_regparm_prefix): Likewise.
10055         (i386_nlm_encode_section_info): Sync with
10056         config/i386/winnt.c:i386_pe_encode_section_info().
10057         (i386_nlm_maybe_mangle_decl_assembler_name): New.
10058         i386_nlm_mangle_decl_assembler_name): New.
10059         (netware_override_options): New.
10060         * config/i386/netware.h (netware_override_options): Declare.
10061         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
10062         (i386_nlm_mangle_decl_assembler_name): Declare.
10063         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
10064
10065 2008-02-25  Ben Elliston  <bje@au.ibm.com>
10066
10067         PR other/32948
10068         * c-decl.c (grokdeclarator): Remove unused local variables
10069         `typedef_type' and `type_as_written'.
10070         * bb-reorder.c
10071         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
10072         unused local variable `has_hot_blocks'.
10073         (fix_crossing_conditional_branches): Remove unused local variable
10074         `prev_bb'.
10075         
10076 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
10077
10078         PR middle-end/19984
10079         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
10080         using DEF_C99_BUILTIN.
10081         (BUILT_IN_NANF): Ditto.
10082         (BUILT_IN_NANL): Ditto.
10083
10084 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
10085             Revital Eres  <eres@il.ibm.com>
10086
10087         * modulo-sched.c (calculate_must_precede_follow): Address TODO
10088         regarding the order of two dependent insns in the same row.
10089
10090 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
10091
10092         * stor-layout.c (layout_decl): Do not bump the alignment of a
10093         bit-field to more than byte alignment if it is packed.
10094
10095 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
10096
10097         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
10098         e300c2 and e300c3.
10099
10100 2008-02-24  Diego Novillo  <dnovillo@google.com>
10101
10102         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
10103
10104         PR 33738
10105         * tree-vrp.c (vrp_evaluate_conditional): With
10106         -Wtype-limits, emit a warning when comparing against a
10107         constant outside the natural range of OP0's type.
10108         * c.opt (Wtype-limits): Move ...
10109         * common.opt (Wtype-limits): ... here.
10110
10111 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
10112
10113         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
10114         * config/rs6000/e300c2c3.md: New file.
10115         * config/rs6000/rs6000.c (processor_costs): Add new costs for
10116         e300c2 and e300c3.
10117         (rs6000_override_options): Add e300c2 and e300c3 cases to
10118         processor_target_table. Do not allow usage of Altivec or Spe
10119         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
10120         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
10121         * config/rs6000/rs6000.h (processor_type): Add
10122         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
10123         (ASM_CPU_SPEC): Add e300c2 and e300c3.
10124         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
10125         and ppce300c3. Include e300c2c3.md.
10126
10127 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
10128
10129         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
10130         instead of TARGET_STRICT_ALIGN.
10131
10132 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
10133
10134         * explow.c (memory_address): Assert that the generated address is
10135         valid.
10136
10137 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
10138
10139         PR target/25477
10140         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
10141         * config/darwin-ppc-ldouble-patch.def: New file.
10142         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
10143         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
10144         SUBTARGET_INIT_BUILTINS if defined.
10145         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
10146         New functions.
10147
10148 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10149
10150         PR rtl-opt/33512
10151         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
10152         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
10153
10154 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10155
10156         PR pch/35027
10157         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
10158         file" warning condtional on -Winvalid-PCH.
10159
10160 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
10161
10162         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
10163
10164 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
10165
10166         PR target/22076
10167         PR target/34256 
10168         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
10169         prevent reload from using MMX registers.
10170         (*mov<mode>_internal): Ditto.
10171         (*movv2sf_internal_rex64): Ditto.
10172         (*movv2sf_internal): Ditto.
10173
10174 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10175
10176         PR documentation/31569
10177         * doc/install.texi2html: Use makeinfo --no-number-sections.
10178
10179 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
10180
10181         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
10182         ensure that we can address an entire entity > 8 bytes.  Don't
10183         generate reg+reg addressing for such data.
10184
10185 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
10186
10187         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
10188         strings when optimizing for size, unless the target cares about
10189         alignment.
10190
10191 2008-02-22  Tom Tromey  <tromey@redhat.com>
10192
10193         * regclass.c (current_pass): Remove declaration.
10194
10195 2008-02-22  Anatoly Sokolov <aesok@post.ru>
10196
10197         * config/avr/libgcc.S (__RAMPZ__): Define.
10198         (__do_copy_data): Add for devices with 128KB code memory.
10199
10200 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
10201
10202         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
10203         Use spe_abi.
10204         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
10205
10206 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
10207
10208         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
10209         GENNONACR_REGS.
10210
10211 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10212
10213         PR c/19999
10214         * c-typeck.c (build_binary_op): Warn about floating point
10215         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
10216
10217 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
10218
10219         PR target/34526
10220         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
10221         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
10222         add vrsave.
10223         (rs6000_override_options): Set altivec_abi as default, not override,
10224         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
10225         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
10226         is used; use new member spe_abi.
10227         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
10228         spe_abi and altivec_abi.
10229
10230 2008-02-22  Tomas Bily  <tbily@suse.cz>
10231
10232         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
10233
10234 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10235
10236         PR bootstrap/35273
10237         * config.build (build_file_translate): Set to `CMD //c' only if
10238         it works.
10239         * Makefile.in (build_file_translate): Improve comment.
10240
10241 2008-02-21  Jan Hubicka  <jh@suse.cz>
10242
10243         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
10244         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
10245         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
10246
10247 2008-02-21  Michael Matz  <matz@suse.de>
10248
10249         PR target/35264
10250         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
10251
10252 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
10253
10254         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
10255         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
10256         as insn constraint.
10257         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
10258         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
10259         SSE_VEC_FLOAT_MODE_P as insn constraint.
10260         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
10261         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
10262         sse4a_movntdf using MODEF mode iterator.
10263         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
10264         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
10265         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
10266         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
10267         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
10268         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
10269         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
10270
10271 2008-02-21  Richard Guenther  <rguenther@suse.de>
10272
10273         * tree.def (PAREN_EXPR): New tree code.
10274         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
10275         and PAREN_EXPR.
10276         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
10277         * expr.c (expand_expr_real_1): Likewise.
10278         * tree-inline.c (estimate_num_insns_1): Likewise.
10279         * tree-complex.c (expand_complex_move): Likewise.
10280         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
10281         as plain x.
10282
10283 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
10284
10285         PR target/35225
10286         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
10287
10288 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
10289
10290         PR target/35190
10291         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
10292
10293         * config/sh/sh.c (find_barrier): Don't go past
10294         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
10295
10296 2008-02-20  DJ Delorie  <dj@redhat.com>
10297
10298         * config/h8300/h8300.md (insv): Force source operand to be a register.
10299
10300         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
10301         as a jump, not as a plain insn.
10302         
10303 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
10304
10305         * doc/invoke.texi (Warning Options): Add new option
10306         -Wframe-larger-than=.
10307         (-Wframe-larger-than): Document.
10308
10309         * flags.h (warn_frame_larger_than, frame_larger_than_size):
10310         Add declarations for new option variables.
10311
10312         * final.c (final_start_function): Check the frame size
10313         before emission and issue a Wframe-larger-than warning.
10314
10315         * opts.c (warn_frame_larger_than, frame_larger_than_size):
10316         Add definitions for new option variables.
10317         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
10318
10319         * common.opt (Wframe-larger-than=): New option.
10320
10321 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
10322
10323         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
10324         (<sse>_div<mode>3): Ditto.
10325         (<sse>_vmdiv<mode>3): Ditto.
10326         (<sse>_vmsqrt<mode>2): Ditto.
10327         (*smax<mode>3): Ditto.
10328         (sse5_frcz<mode>2): Ditto.
10329         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
10330         as insn constraint.
10331
10332 2008-02-20  Richard Guenther  <rguenther@suse.de>
10333
10334         PR middle-end/35265
10335         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
10336         be happy with INTEGRAL_TYPE_P.
10337
10338 2008-02-20  Richard Guenther  <rguenther@suse.de>
10339
10340         * fold-const.c (split_tree): Associate floatig-point expressions
10341         if flag_associative_math is set.
10342
10343 2008-02-20  Richard Guenther  <rguenther@suse.de>
10344
10345         * tree.h (fold_real_zero_addition_p): Declare.
10346         * fold-const.c (fold_real_zero_addition_p): Export.
10347         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
10348         floating-point operations with zero and one.
10349
10350 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
10351
10352         * doc/install.texi: Correct references to CFLAGS, replacing them
10353         with BOOT_CFLAGS.  Document flags used during bootstrap for
10354         target libraries.
10355                                 
10356 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
10357
10358         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
10359         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
10360         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
10361         insn constraint.
10362         (smin<mode>3): Ditto from similar patterns.
10363         (smax<mode>3): Ditto.
10364         (*ieee_smin<mode>3): Ditto.
10365         (*ieee_smax<mode>3): Ditto.
10366         * config/i386/sse.md (sse): New mode attribute.
10367         (mov<mode>): Macroize expander from movv4sf and movv2df using
10368         SSEMODEF2P mode iterator.
10369         (<sse>_movnt<mode>): Ditto from similar patterns. Use
10370         SSE_VEC_FLOAT_MODE_P as insn constraint.
10371         (storent<mode>): Ditto.
10372         (storent<mode>): Macroize expander from storentsf and storentdf using
10373         MODEF mode iterator.
10374         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
10375         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
10376         (abs<mode>2): Ditto from similar patterns.
10377         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
10378         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
10379         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
10380         (<sse>_vmsqrt<mode>2): Ditto.
10381         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
10382         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
10383         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
10384         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
10385         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
10386         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
10387         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
10388         insn constraint.
10389         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
10390         iterator and SSE_FLOAT_MODE_P as insn constraint.
10391         (<sse>_ucomi): Ditto from similar patterns.
10392         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
10393         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
10394         SSE_VEC_FLOAT_MODE_P as insn constraint.
10395         (vcond<mode>): Ditto from similar patterns.
10396         (and<mode>3, *and<mode>3): Ditto.
10397         (<sse>_nand<mode>3): Ditto.
10398         (ior<mode>3, *ior<mode>3): Ditto.
10399         (xor<mode>3, *xor<mode>3): Ditto.
10400         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
10401         iterator and SSE_FLOAT_MODE_P as insn constraint.
10402         (*nand<mode>3): Ditto from similar patterns.
10403         (*ior<mode>3): Ditto.
10404         (*xor<mode>3): Ditto.
10405
10406 2008-02-20  Ira Rosen  <irar@il.ibm.com>
10407
10408         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
10409         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
10410         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
10411
10412 2008-02-19  Jan Hubicka  <jh@suse.cz>
10413
10414         * predict.c (tree_bb_level_predictions): Remove variable next
10415         mistakely introduced by previous commit.
10416
10417 2008-02-19  Jan Hubicka  <jh@suse.cz>
10418
10419         * predict.c (predict_paths_leading_to): Rewrite.
10420         (predict_paths_for_bb): New.
10421         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
10422
10423 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10424
10425         PR bootstrap/35218
10426         * Makefile.in (build_file_translate): New.
10427         (gcc-vers.texi): Use it for translating $(abs_srcdir).
10428         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
10429         * configure.ac (build_file_translate): Substitute it.
10430         * configure: Regenerate.
10431
10432 2008-02-19  Jan Hubicka  <jh@suse.cz>
10433
10434         PR rtl-optimization/34408
10435         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
10436         invalid sharing.
10437
10438 2008-02-19  Jan Hubicka  <jh@suse.cz>
10439
10440         PR middle-end/28779
10441         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
10442         call_expr.
10443
10444 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
10445
10446         PR Ada/35186
10447         * config/i386/i386-modes.def: Revert the last DI alignment
10448         change until Ada people can look into it.
10449
10450 2008-02-19  Nick Clifton  <nickc@redhat.com>
10451
10452         * opts.c (print_specific_help): Fix typo in --help text.
10453
10454 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
10455
10456         PR target/35239
10457         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
10458         32-bit inline asm without asm alternatives for host GCC < 3.0.
10459
10460 2008-02-19  Richard Guenther  <rguenther@suse.de>
10461
10462         PR tree-optimization/34989
10463         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
10464         Allow propagation to INDIRECT_REF if we can simplify only.
10465
10466 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10467
10468         * c-common.c (warn_for_collisions_1): Use appropriate option when
10469         warning.
10470
10471 2008-02-19  Nick Clifton  <nickc@redhat.com>
10472
10473         PR other/31349
10474         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
10475         (handle_options): Fix indentation.
10476         (print_filtered_help): If no language-specific options were
10477         displayed tell the user how to list all the options supported by
10478         the language's front-end.
10479         (print_specific_help): Fix indentation and remove duplicate line.
10480         (common_handle_option): Handle the -v option.
10481         For --help enable the display of undocumented options if the -v
10482         switch has been included on the command line.
10483         For --help= check for overlaps in the arguments between the option
10484         classes and the language names and issue a warning when they
10485         cannot be disambiguated.
10486         * c.opt (v): Pass on to the common option handler.
10487
10488 2008-02-19  Revital Eres  <eres@il.ibm.com> 
10489
10490         * modulo-sched.c (sms_schedule): Change dump message when
10491         create_ddg function fails.
10492         (try_scheduling_node_in_cycle): Rename row to cycle.
10493         (print_partial_schedule): Rename CYCLE to ROW.
10494
10495 2008-02-19  Christian Bruel  <christian.bruel@st.com>
10496             Zdenek Dvorak  <ook@ucw.cz>
10497
10498         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
10499
10500 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
10501
10502         PR target/33555
10503         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
10504         (*x86_movdicc_0_m1_se): Ditto.
10505
10506 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
10507
10508         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
10509         (CMPtype): Define as __gcc_CMPtype.
10510         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
10511         (CMPtype): Define as __gcc_CMPtype.
10512
10513 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
10514
10515         Support valgrind 3.3 for --enable-checking=valgrind.
10516         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
10517         here.
10518         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
10519         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
10520         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
10521         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
10522         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
10523         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
10524         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
10525         respectively.
10526         * ggc-zone.c: Similar.
10527         * ggc-page.c: Similar.
10528
10529 2008-02-19  Paul Brook  <paul@codesourcery.com>
10530
10531         PR target/35071
10532         * config/arm/ieee754-df.S: Fix do_it typo.
10533         * config/arm/ieee754-sf.S: Fix do_it typo.
10534
10535 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
10536
10537         PR target/35189
10538         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
10539         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
10540         (OPTION_MASK_ISA_SSE_SET): Likewise.
10541         (OPTION_MASK_ISA_SSE2_SET): Likewise.
10542         (OPTION_MASK_ISA_SSE3_SET): Likewise.
10543         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
10544         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
10545         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
10546         (OPTION_MASK_ISA_SSE4_SET): Likewise.
10547         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
10548         (OPTION_MASK_ISA_SSE5_SET): Likewise.
10549         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
10550         (OPTION_MASK_ISA_MMX_UNSET): Updated.
10551         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
10552         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
10553         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
10554         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
10555         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
10556         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
10557         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
10558         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
10559         (OPTION_MASK_ISA_SSE4): Removed.
10560         (ix86_handle_option): Turn on bits in ix86_isa_flags and
10561         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
10562         (override_options): Don't turn on implied SSE/MMX bits in
10563         ix86_isa_flags.
10564
10565 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
10566
10567         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
10568         32bit host.
10569
10570 2008-02-18  Joey Ye  <joey.ye@intel.com>
10571
10572         PR middle-end/34921
10573         * tree-nested.c (insert_field_into_struct): Set type alignment
10574         to field alignment if the former is less than the latter.
10575
10576 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
10577
10578         * BASE-VER: Set to 4.4.0.
10579
10580 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
10581
10582         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
10583         * doc/cfg.texi: Likewise.
10584         * doc/extend.texi: Likewise.
10585         * doc/gty.texi: Likewise.
10586         * doc/invoke.texi: Likewise.
10587         * doc/loop.texi: Likewise.
10588         * doc/md.texi: Likewise.
10589         * doc/passes.texi: Likewise.
10590         * doc/rtl.texi: Likewise.
10591         * doc/sourcebuild.texi: Likewise.
10592         * doc/tm.texi: Likewise.
10593         * doc/tree-ssa.texi: Likewise.
10594
10595 2008-02-17  Richard Guenther  <rguenther@suse.de>
10596
10597         PR middle-end/35227
10598         * tree-complex.c (init_parameter_lattice_values): Handle parameters
10599         without default definition.
10600
10601 2008-02-17  Richard Guenther  <rguenther@suse.de>
10602
10603         PR tree-optimization/35231
10604         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
10605         if A | B != 1.
10606
10607 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
10608
10609         Revert:
10610         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>    
10611         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
10612         libgcc_cmp_return mode.
10613
10614 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10615
10616         PR c/28368
10617         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
10618
10619 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
10620
10621         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
10622         multilibs.
10623
10624 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10625
10626         * doc/c-tree.texi: Use `@.' where appropriate.
10627         * doc/extend.texi: Likewise.
10628         * doc/install.texi: Likewise.
10629         * doc/invoke.texi: Likewise.
10630         * doc/loop.texi: Likewise.
10631         * doc/makefile.texi: Likewise.
10632         * doc/md.texi: Likewise.
10633         * doc/passes.texi: Likewise.
10634         * doc/standards.texi: Likewise.
10635         * doc/tm.texi: Likewise.
10636
10637 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
10638
10639         PR middle-end/35196
10640         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
10641         in entry_bb.
10642         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
10643         rather than in entry_bb.
10644
10645 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
10646
10647         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
10648         libgcc_cmp_return mode.
10649
10650 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
10651
10652         PR middle-end/35130
10653         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
10654         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
10655
10656 2008-02-15  Richard Guenther  <rguenther@suse.de>
10657             Zdenek Dvorak  <ook@ucw.cz>
10658
10659         PR tree-optimization/35164
10660         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
10661         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
10662         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
10663         Only propagate addresses which do not have abnormal SSA_NAMEs
10664         in their operands.
10665
10666 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
10667
10668         PR target/35088
10669         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
10670
10671 2008-02-15  Jan Hubicka  <jh@suse.cz>
10672
10673         PR middle-end/35149
10674         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
10675
10676 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
10677
10678         PR middle-end/34621
10679         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
10680         when calculating alignment_pad.
10681
10682 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
10683
10684         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
10685         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
10686         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
10687         and STACK_BOUNDARY define.
10688
10689 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
10690
10691         PR preprocessor/35061
10692         * c-pragma.c (handle_pragma_pop_macro): Check that
10693         pushed_macro_table has been allocated.
10694
10695 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
10696
10697         PR middle-end/35136
10698         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
10699         (force_gimple_operand): Likewise.
10700         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
10701         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
10702         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
10703         (find_interesting_uses_address): Check addressability and alignment
10704         of the base expression only after substituting bases of IVs into it.
10705
10706 2008-02-14  Michael Matz  <matz@suse.de>
10707
10708         PR target/34930
10709         * function.c (instantiate_virtual_regs_in_insn): Reload address
10710         before falling back to reloading the whole operand.
10711
10712 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
10713
10714         * config/s390/s390.c (s390_mainpool_start): Emit the pool
10715         before the first section switch note.
10716
10717 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
10718
10719         * doc/bugreport.texi: Update copyright years.
10720         * doc/c-tree.texi: Likewise.
10721         * doc/cfg.texi: Likewise.
10722         * doc/cpp.texi: Likewise.
10723         * doc/cppinternals.texi: Likewise.
10724         * doc/fragments.texi: Likewise.
10725         * doc/frontends.texi: Likewise.
10726         * doc/gcc.texi: Likewise.
10727         * doc/gty.texi: Likewise.
10728         * doc/hostconfig.texi: Likewise.
10729         * doc/implement-c.texi: Likewise.
10730         * doc/libgcc.texi: Likewise.
10731         * doc/loop.texi: Likewise.
10732         * doc/makefile.texi: Likewise.
10733         * doc/options.texi: Likewise.
10734         * doc/passes.texi: Likewise.
10735         * doc/rtl.texi: Likewise.
10736         * doc/sourcebuild.texi: Likewise.
10737         * doc/standards.texi: Likewise.
10738         * doc/tree-ssa.texi: Likewise.
10739         * doc/trouble.texi: Likewise.
10740
10741         * doc/extend.texi: Use @: or add comma where appropriate.
10742         * doc/invoke.texi: Likewise.
10743         * doc/tm.texi: Likewise.
10744
10745 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
10746
10747         PR target/34393
10748         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
10749         to a reg.
10750
10751 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
10752
10753         * doc/md.texi (clz, ctz): Add reference.
10754         * doc/rtl.texi (clz, ctz): Likewise.
10755
10756 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10757
10758         PR other/35148
10759         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
10760         srcdir.
10761
10762 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
10763
10764         * config/s390/s390.c (struct constant_pool): New field
10765         emit_pool_after added.
10766         (s390_mainpool_start): Set the emit_pool_after flag according
10767         to the section switch notes.
10768         (s390_mainpool_finish): Consider emit_pool_after when emitting
10769         the literal pool at the end of the function.
10770         (s390_chunkify_start): Force literal pool splits at section
10771         switch notes.
10772
10773 2008-02-13  Michael Matz  <matz@suse.de>
10774
10775         PR debug/35065
10776         * var-tracking.c (clobber_variable_part): Correctly traverse the
10777         list.
10778
10779 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10780
10781         PR 29673
10782         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
10783         Add -fdump-ipa-inline.
10784         * tree-dump.c (dump_files): Remove tree-inlined dump.
10785         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
10786         
10787 2008-02-12  Richard Guenther  <rguenther@suse.de>
10788
10789         PR tree-optimization/35171
10790         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
10791         default defs.
10792
10793 2008-02-12  Richard Guenther  <rguenther@suse.de>
10794
10795         PR middle-end/35163
10796         * fold-const.c (fold_widened_comparison): Use get_unwidened in
10797         value-preserving mode.  Disallow final truncation.
10798
10799 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
10800
10801         PR middle-end/35136
10802         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
10803         code from here to...
10804         (force_gimple_operand): ...here.
10805
10806 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
10807
10808         PR c++/35144
10809         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
10810         non-compatible pointers.
10811         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
10812         different FIELD_DECLs, try harder by comparing field offsets, sizes
10813         and types.
10814
10815         PR inline-asm/35160
10816         * function.c (match_asm_constraints_1): Don't replace the same input
10817         multiple times.
10818
10819 2008-02-12  Anatoly Sokolov <aesok@post.ru>
10820
10821         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
10822         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
10823         (expand_epilogue): Restore RAMPZ register.
10824         * config/avr/avr.md (RAMPZ_ADDR): New constant.
10825
10826 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
10827
10828         * config/i386/cygwin.asm: (__alloca): Correct calling
10829         convention and alignment.
10830         (__chkstk): Force 8 byte stack alignment.
10831
10832 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
10833             Richard Guenther  <rguenther@suse.de>
10834
10835         PR tree-optimization/33992
10836         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
10837         the zero we compare against.
10838
10839 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
10840
10841         PR libfortran/35063
10842         * gthr-win32.h (__gthread_mutex_destroy_function): New function
10843         to CloseHandle after unlocking to prevent accumulation of handle
10844         count.
10845
10846 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10847
10848         PR middle_end/34150
10849         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
10850         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
10851         and update LABEL_NUSES during and after reload.
10852
10853 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
10854
10855         PR middle-end/34627
10856         * combine.c (simplify_if_then_else): Make sure the comparison is
10857         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
10858
10859 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
10860
10861         PR bootstrap/35051
10862         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
10863         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
10864         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
10865         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
10866         * tree.h (get_type_static_bounds): Likewise.
10867
10868 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10869
10870         * doc/invoke.texi (Option Summary, C++ Dialect Options)
10871         (Objective-C and Objective-C++ Dialect Options, Warning Options):
10872         Make -Wfoo language annotations match what the compiler outputs.
10873
10874 2008-02-08  Sa Liu  <saliu@de.ibm.com>
10875
10876         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu 
10877         intrinsics spu_convts, spu_convtu, spu_convtf.
10878
10879 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
10880
10881         * doc/extend.texi (Function Attributes) <noinline>: Mention
10882         asm ("") as method to keep calls.
10883
10884 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10885
10886         PR other/32754
10887         * doc/options.texi (Options): Replace references to opts.sh with
10888         optc-gen.awk.
10889         * opts-common.c: Likewise.
10890         * optc-gen.awk: Likewise.
10891         
10892 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
10893
10894         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
10895
10896 2008-02-07  Richard Henderson  <rth@redhat.com>
10897
10898         PR rtl-opt/33410
10899         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
10900         EXPR_LIST for the REG_EQUAL instead of a comparison with a 
10901         funny mode.
10902
10903 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
10904
10905         PR tree-optimization/35085
10906         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
10907         for operand entry oe2 in addition to operand entry oe3 in order to
10908         expose more opportunities for vectorizer sum reduction.
10909
10910 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10911
10912         PR other/35107
10913         * Makefile.in (LIBS): Remove $(GMPLIBS).
10914         (cc1-dummy, cc1): Add $(GMPLIBS).
10915
10916 2008-02-06  Jan Hubicka  <jh@suse.cz>
10917
10918         PR target/23322
10919         * i386.md (moddf_integer): Do not produce partial memory stalls for
10920         targets where it hurts.
10921
10922 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
10923
10924         PR target/35083
10925         * optabs.c (expand_float): Do not check for decimal modes when
10926         expanding unsigned integer through signed conversion.
10927
10928 2008-02-06  Nick Clifton  <nickc@redhat.com>
10929
10930         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
10931         inside the clobber with a match_operand and duplicated operand
10932         number in the constraint.
10933         (ineqbranchsi): Delete redundant comment.
10934
10935 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
10936
10937         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add 
10938         builtin_define ("__USE_INIT_FINI__").
10939         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
10940         -msx multilibs.
10941         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
10942
10943 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10944
10945         PR documentation/30330
10946         * doc/invoke.texi (C++ Dialect Options)
10947         (Objective-C and Objective-C++ Dialect Options, Warning Options):
10948         For each warning option -Wfoo that allows -Wno-foo, ensure both
10949         -Wfoo and -Wno-foo are listed in the option index.  Fix index
10950         entry of -Wswitch-default, index -Wnormalized= including the
10951         `=', and -Wlarger-than-@var{len} including @var{len}.
10952
10953 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
10954
10955         * config/i386/i386.md (floatunssisf2): Use
10956         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
10957         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
10958         Macroize expander using MODEF mode iterator.
10959
10960 2008-02-05  Diego Novillo  <dnovillo@google.com>
10961
10962         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
10963
10964         PR 33738
10965         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
10966
10967 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10968
10969         PR other/35070
10970         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
10971
10972 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
10973
10974         PR target/35084
10975         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
10976         to indicate if a message should be generated.
10977         (init_cumulative_args): Updated.
10978         (function_value_32): Likewise.
10979
10980 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
10981
10982         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
10983
10984 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
10985
10986         PR target/35083
10987         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
10988         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
10989
10990 2008-02-04  Diego Novillo  <dnovillo@google.com>
10991
10992         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
10993
10994         PR 33738
10995         * tree-vrp.c (vrp_evaluate_conditional): With
10996         -Wtype-limits, emit a warning when comparing against a
10997         constant outside the natural range of OP0's type.
10998
10999 2008-02-04  Richard Guenther  <rguenther@suse.de>
11000
11001         PR middle-end/33631
11002         * expr.c (count_type_elements): Give for unions instead of
11003         guessing.
11004
11005 2008-02-04  Richard Guenther  <rguenther@suse.de>
11006
11007         PR middle-end/35043
11008         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
11009         to TYPE_DOMAINs base type instead of using bitsizetype here.
11010
11011 2008-02-03  Jason Merrill  <jason@redhat.com>
11012
11013         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
11014
11015 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11016
11017         PR other/29972
11018         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
11019         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
11020         (RS/6000 and PowerPC Options): Fix typos and markup.
11021         * doc/passes.texi (Tree-SSA passes): Likewise.
11022
11023 2008-02-02  Michael Matz  <matz@suse.de>
11024
11025         PR target/35045
11026         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
11027         from record_last_reg_set_info.
11028         (record_last_reg_set_info): Take an RTX argument, iterate over all
11029         constituent hardregs.
11030         (record_last_set_info, record_opr_changes): Change calls to
11031         new signature or to record_last_reg_set_info_regno.
11032
11033 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
11034
11035         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
11036
11037 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
11038
11039         PR rtl-optimization/34773
11040         * reg-notes.def (EQUAL): Mention significance of combination of
11041         REG_EQUAL and REG_RETVAL.
11042         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
11043         insn that has a REG_RETVAL.
11044
11045 2008-02-01  Roger Sayle  <roger@eyesopen.com>
11046
11047         PR bootstrap/33781
11048         * configure.ac (--enable-fixed-point): Disable unless explicitly
11049         requested on IRIX.
11050         * configure: Regenerate.
11051
11052 2008-02-01  Richard Guenther  <rguenther@suse.de>
11053
11054         PR other/35042
11055         * invoke.texi (-finline-limit): Remove no longer true parts
11056         of the documentation.  Note that there is no default value.
11057
11058 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
11059             Mark Mitchell  <mark@codesourcery.com>
11060             Ben Elliston  <bje@au.ibm.com>
11061
11062         PR c/29326
11063         * doc/extend.texi (Other Builtins): Document.
11064
11065 2008-01-31  Tom Browder <tom.browder@gmail.com>
11066
11067         * doc/c-tree.texi (Types): Fix grammar.
11068         (Expression trees): Ditto.
11069         * doc/passes.texi (Tree-SSA passes): Ditto.
11070         
11071         * doc/configterms.texi (Configure Terms): Fix typo.
11072         * doc/cpp.texi (Common Predefined Macros): Ditto.
11073         * doc/md.texi (Machine Constraints): Ditto.
11074         
11075         * doc/makefile.texi (Makefile): Add comma.
11076
11077 2008-01-31  Tom Browder  <tom.browder@gmail.com>
11078             Gerald Pfeifer  <gerald@pfeifer.com>
11079         
11080         * doc/sourcebuild.texi (Front End): Remove references to CVS
11081         and CVSROOT/modules.
11082         (Texinfo Manuals): Replace reference to CVS by one to SVN.
11083         (Back End): Remove reference to CVS.
11084
11085 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
11086
11087         PR target/34900
11088         * config/mips/mips.c (gen_load_const_gp): New function, taking a
11089         comment from...
11090         (mips16_gp_pseudo_reg): ...here.
11091         * config/mips/mips.md (load_const_gp): Replace with...
11092         (load_const_gp_<mode>): ...this :P-based insn.
11093
11094 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11095
11096         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
11097         options. Minor fixes.
11098         (-std): Move reference to standards closer to where language
11099         standards are first mentioned.
11100         
11101 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
11102
11103         PR rtl-optimization/34995
11104         * reload.c (alternative_allows_const_pool_ref): Take an rtx
11105         parameter and return a bool.  If the rtx parameter is nonnull,
11106         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
11107         (find_reloads): Update call accordingly.  Pass the new operand
11108         if it needed no address reloads, otherwise pass null.
11109
11110 2008-01-30  Richard Henderson  <rth@redhat.com>
11111
11112         PR c/34993
11113         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
11114         for unbounded arrays.
11115
11116 2008-01-30  Silvius Rus  <rus@google.com>
11117
11118         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
11119
11120 2008-01-30  Jan Hubicka  <jh@suse.cz>
11121
11122         PR target/34982
11123         * i386.c (init_cumulative_args): Use real function declaration when
11124         calling locally.
11125
11126 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
11127
11128         PR rtl-optimization/34998
11129         * global.c (build_insn_chain): Treat non-subreg_lowpart
11130         SUBREGs of pseudos as clobbering all the words covered by the
11131         SUBREG, not just all the bytes.
11132         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
11133         original df_ref rather than an extract parameter.
11134         (global_conflicts): Update call accordingly.
11135
11136 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
11137
11138         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
11139         the overflow check to make it easier to read.
11140         (__fixtfdi): Change the type of the ll member in union
11141         long_double to UDItype_x.
11142
11143 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
11144
11145         PR middle-end/34969
11146         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
11147         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
11148         * tree-inline.c (fold_marked_statements): Call
11149         cgraph_update_edges_for_call_stmt if folding a call statement.
11150         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
11151         debug_generic_stmt calls, reset it back afterwards.
11152
11153         PR c/35017
11154         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
11155         static decls.
11156         * c-typeck.c (build_external_ref): Don't pedwarn about
11157         static vars in current function's scope.
11158
11159 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
11160
11161         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
11162
11163 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
11164
11165         PR c/35002
11166         * ipa-struct-reorg.c: Fix spelling.
11167         * params.def: Ditto.
11168
11169 2008-01-29  Richard Guenther  <rguenther@suse.de>
11170
11171         PR middle-end/35006
11172         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
11173         field.
11174         * tree-inline.c (remap_type): Increment remapping_type_depth
11175         around remapping types.
11176         (copy_body_r): Only add referenced variables if they are referenced
11177         from code, not types.
11178
11179 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
11180
11181         PR c++/34055
11182         PR c++/34103
11183         PR c++/34219
11184         PR c++/34606
11185         PR c++/34753
11186         PR c++/34754
11187         PR c++/34755
11188         PR c++/34919
11189         PR c++/34961
11190         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
11191         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
11192
11193 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
11194
11195         PR target/34412
11196         * config/avr/avr.c (expand_prologue): Use correct QI mode frame 
11197         pointer for tiny stack.
11198
11199 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
11200
11201         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
11202
11203 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
11204
11205         * config/vx-common.h: Fix typo in comment.
11206
11207 2008-01-28  Ian Lance Taylor  <iant@google.com>
11208
11209         PR c++/34862
11210         PR c++/33407
11211         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
11212         coalesce pointers if they have different DECL_NO_TBAA_P values.
11213         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
11214         between variables with different DECL_NO_TBAA_P values.
11215
11216 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
11217
11218         PR 31535
11219         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
11220         are not legitimate small data references on SPE targets.
11221
11222 2008-01-28  David Daney  <ddaney@avtrex.com>
11223
11224         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
11225
11226 2008-01-28  David Daney  <ddaney@avtrex.com>
11227
11228         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
11229
11230 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
11231
11232         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
11233         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
11234         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
11235         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
11236         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
11237         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
11238         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
11239         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
11240
11241 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
11242
11243         * basic-block.h (condjump_equiv_p): Fix comment.
11244
11245 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
11246
11247         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
11248         print_generic_stmt_indented): Fix comment.
11249
11250 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
11251
11252         * configure.ac (__stack_chk_fail): Add detecion for availability
11253         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
11254         * configure: Regenerate.
11255
11256 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
11257
11258         PR middle-end/34688
11259         * final.c (output_addr_const): Handle TRUNCATE.
11260
11261 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
11262
11263         PR target/34711
11264         * tree-ssa-loop-ivopts.c (comp_cost): New type.
11265         (zero_cost, infinite_cost): New constants.
11266         (struct cost_pair): Change type of cost to comp_cost.
11267         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
11268         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
11269         New functions.
11270         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
11271         split_address_cost, ptr_difference_cost, difference_cost,
11272         get_computation_cost_at, get_computation_cost,
11273         determine_use_iv_cost_generic, determine_use_iv_cost_address,
11274         determine_use_iv_cost_condition, determine_use_iv_costs,
11275         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
11276         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
11277         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
11278         Change type of cost to comp_cost.
11279         (determine_iv_cost): Increase cost of non-original ivs, instead
11280         of decreasing the cost of original ones.
11281         (get_address_cost): Indicate the complexity of the addressing mode 
11282         in comp_cost.
11283         (try_add_cand_for): Prefer using ivs not specific to some object.
11284         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
11285
11286 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
11287             Janis Johnson  <janis187@us.ibm.com>
11288
11289         PR target/34814
11290         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
11291         (TARGET_INSTANTIATE_DECLS): Likewise.
11292         * target.h (expand_to_rtl_hook): New target hook.
11293         (instantiate_decls): Likewise.
11294         * function.c (instantiate_decl): Make non-static.  Rename to...
11295         (instantiate_decl_rtl): ... this.
11296         (instantiate_expr): Use instantiate_decl_rtl.
11297         (instantiate_decls_1): Likewise.
11298         (instantiate_decls): Likewise.
11299         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
11300         * function.h (instantiate_decl_rtl): Add prototype.
11301         * cfgexpand.c (target.h): New include.
11302         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
11303         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
11304         (TARGET_INSTANTIATE_DECLS): Likewise.
11305         (TARGET_INITIALIZER): New target hooks added.
11306         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
11307         New prototype.
11308         * config/rs6000/rs6000.c (tree-flow.h): New include.
11309         (machine_function): Add sdmode_stack_slot field.
11310         (rs6000_alloc_sdmode_stack_slot): New function.
11311         (rs6000_instantiate_decls): Likewise.
11312         (rs6000_secondary_memory_needed_rtx): Likewise.
11313         (rs6000_check_sdmode): Likewise.
11314         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
11315         (TARGET_INSTANTIATE_DECLS): Likewise.
11316         (rs6000_hard_regno_mode_ok): Allow SDmode.
11317         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
11318         (rs6000_emit_move): Handle SDmode.
11319         (function_arg_advance): Likewise.
11320         (function_arg): Likewise.
11321         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
11322         SDmode var args for 32-bit compiles.
11323         (rs6000_secondary_reload_class): Handle SDmode.
11324         (rs6000_output_function_epilogue): Likewise.
11325         (rs6000_function_value): Simplify if statement.
11326         (rs6000_libcall_value): Likewise.
11327         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
11328         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
11329         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
11330         (movsd_hardfloat): New define_insn.
11331         (movsd_softfloat): Likewise.
11332         (movsd_store): Likewise.
11333         (movsd_load): Likewise.
11334         (extendsddd2): Likewise.
11335         (extendsdtd2): Likewise.
11336         (truncddsd2): Likewise.
11337         (movdd_hardfloat64): Fixup comment.
11338         (UNSPEC_MOVSD_LOAD): New constant.
11339         (UNSPEC_MOVSD_STORE): Likewise.
11340
11341 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
11342
11343         PR c++/34965
11344         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
11345         TRUTH_XOR_EXPR.
11346         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
11347         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
11348         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
11349         and TRUTH_XOR_EXPR.
11350
11351 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
11352
11353         PR target/34794
11354         * config.gcc: Separate AIX 5.3 from AIX 6.1.
11355         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
11356         __LONGDOUBLE128 too.
11357         * config/rs6000/aix61.h: New file.
11358
11359 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
11360
11361         PR rtl-optimization/34959
11362         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
11363         popcount and parity rtxes the same mode as their operand.
11364         Truncate or extend the result to the return value's mode
11365         if necessary.
11366
11367 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
11368
11369         PR target/34981
11370         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
11371         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
11372         to GOT_VERSION_REGNUM.
11373         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
11374         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
11375         * config/mips/mips.c (mips_emit_call_insn): New function.
11376         (mips_call_tls_get_addr): Call mips_expand_call directly.
11377         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
11378         emit_call_insn.
11379         (mips16_build_call_stub): Likewise.  Return the call insn or null.
11380         (mips_expand_call): Update the call to mips16_build_call_stub
11381         accordingly and a remove redundant condition.  Assert that MIPS16
11382         stubs do not use lazy binding.  Use mips_emit_call_insn and return
11383         the call insn.
11384         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
11385         TARGET_USE_GOT.
11386         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
11387         (mips_avoid_hazard): Remove hazard_set handling.
11388         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
11389         (UNSPEC_RESTORE_GP): ...this.
11390         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
11391         (FAKE_CALL_REGNO): Rename to...
11392         (GOT_VERSION_REGNUM): ...this.
11393         (type): Add "ghost" value.  Add an associated insn reservation.
11394         (hazard_set): Remove.
11395         (exception_receiver): Rename to...
11396         (restore_gp): ...this and update the unspec identifier accordingly.
11397         (exception_receiver, nonlocal_got_receiver): New expanders.
11398         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
11399         FAKE_CALL_REGNO.  Remove hazard_set attribute.
11400         (set_got_version, update_got_version): New patterns.
11401
11402 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
11403
11404         PR target/34970
11405         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
11406
11407 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
11408
11409         PR other/31955
11410         * doc/install.texi2html: Generate gcc-vers.texi.
11411
11412 2008-01-25  DJ Delorie  <dj@redhat.com>
11413
11414         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
11415
11416 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
11417
11418         * config/c4x: Remove directory.
11419         * config.gcc (crx-*, mt-*): Mark obsolete.
11420         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
11421         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
11422         sh-*-rtemscoff*): Remove cases.
11423         * defaults.h (C4X_FLOAT_FORMAT): Remove.
11424         * real.c (encode_c4x_single, decode_c4x_single,
11425         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
11426         c4x_extended_format): Remove.
11427         * real.h (c4x_single_format, c4x_extended_format): Remove.
11428         * doc/extend.texi (interrupt, naked): Remove mention of attributes
11429         on C4x.
11430         (Pragmas): Remove comment about c4x pragmas.
11431         * doc/install.texi (c4x): Remove target-specific instructions.
11432         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
11433         * doc/md.texi (Machine Constraints): Remove C4x documentation.
11434         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
11435         refer to C4x source files as examples.
11436         (C4X_FLOAT_FORMAT): Remove documentation.
11437
11438 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
11439
11440         * config/bfin/bfin.c (override_options): Reorder tests so that
11441         flag_pic gets enabled for -msep-data.
11442
11443 2008-01-25  Richard Guenther  <rguenther@suse.de>
11444
11445         PR middle-end/32244
11446         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
11447         to its bitfield precision if required.
11448
11449 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
11450
11451         PR middle-end/33880
11452         * tree-nested.c (walk_omp_for): New function.
11453         (convert_nonlocal_reference, convert_local_reference): Call
11454         walk_omp_for on OMP_FOR.
11455         (convert_call_expr): Call walk_body on OMP_FOR's
11456         OMP_FOR_PRE_INIT_BODY.
11457
11458 2008-01-25  Richard Guenther  <rguenther@suse.de>
11459
11460         PR tree-optimization/34966
11461         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
11462         default defs and PHI_NODEs we have to insert after the
11463         defining statement.
11464
11465 2008-01-24  Nick Clifton  <nickc@redhat.com>
11466
11467         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
11468         Provide a default definition.
11469         (LIBGCC2_UNITS_PER_WORD): Likewise.
11470
11471         * config/stormy16/stormy16.c: Include df.h for the prototype
11472         for df_regs_ever_live_p.
11473         (xstormy16_expand_builtin_va_start): Convert the stack offset
11474         into a component_ref and then use POINTER_PLUS_EXPR to add it
11475         to the incoming_virtual_args_rtx.
11476         (xstormy16_gimplify_va_arg_expr): Rename to
11477         xstormy16_gimplify_va_arg_expr.
11478         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
11479         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
11480         xstormy16_gimplify_va_arg_expr.
11481         Fix up some formatting issues.
11482
11483         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
11484         Move to predicates.md.
11485         (xs_hi_general_operand): Likewise.
11486         (xs_hi_nonmemory_operand): Likewise.
11487         * config/stormy16/predicates.md:
11488         (xstormy16_carry_plus_operand): New predicate.
11489         (xs_hi_general_operand): New predicate.
11490         (xs_hi_nonmemory_operand): New predicate.
11491         * config/stormy16/stormy16-protos.h:
11492         (xstormy16_carry_plus_operand): Delete prototype.
11493         (xs_hi_general_operand): Likewise.
11494         (xs_hi_nonmemory_operand): Likewise.
11495
11496         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
11497         modifiers as they are no longer needed and they can trigger
11498         reload spill failures.
11499
11500         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
11501         with a match_operand in order to help reload.
11502
11503         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
11504         constraint with 'e' for the 8th alternative as this version of
11505         the mov.w instruction only accepts the lower 8 registers.
11506
11507 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
11508
11509         PR target/34856
11510         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
11511         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
11512         vector elements.
11513
11514 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
11515
11516         PR middle-end/33333
11517         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
11518
11519 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
11520
11521         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
11522         New functions.
11523         (remove_structure): Update allocations list before removing structure.
11524         
11525 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
11526
11527         * ipa-struct-reorg.c (is_safe_cond_expr, 
11528         create_new_stmts_for_cond_expr): Use integer_zerop function,
11529         that recognize not only zero-pointer, but zero-integer too.
11530
11531 2008-01-25  Ben Elliston  <bje@au.ibm.com>
11532
11533         PR other/22232
11534         * fixproto: Escape "." in sed expression that strips leading "./".
11535
11536 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
11537
11538         PR driver/34904
11539         * gcc.c (SWITCH_OK): Removed.
11540         (SWITCH_LIVE): Changed to bit.
11541         (SWITCH_FALSE): Likewise.
11542         (SWITCH_IGNORE): Likewise.
11543         (switchstr): Change live_cond to unsigned int.
11544         (process_command): Replace SWITCH_OK with 0.
11545         (do_self_spec): Likewise.
11546         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
11547         (give_switch): Likewise.
11548         (used_arg): Likewise.
11549         (do_spec_1): Set the SWITCH_IGNORE bit.
11550         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
11551         bits.  Set the SWITCH_LIVE bit.
11552
11553 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
11554
11555         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
11556
11557 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
11558
11559         PR tree-optimization/34472
11560         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
11561         parameter to a "bool *" and set *DATA to false if there is
11562         an unsafe access.  Do not delete the structure here.
11563         (check_cond_exprs): Delete it here instead.
11564         (check_cond_exprs, exclude_cold_structs): Do not increase
11565         I when removing a structure.
11566
11567 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
11568
11569         PR target/34856
11570         * config/i386/i386.c (ix86_expand_vector_init): Consider only
11571         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
11572
11573 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
11574
11575         PR middle-end/34934
11576         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
11577         a fixed vector for stack.
11578
11579 2008-01-24  Ben Elliston  <bje@au.ibm.com>
11580
11581         PR c++/25701
11582         * doc/gcc.texi (Software development): Add a direntry for g++.
11583         
11584 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
11585
11586         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
11587         stale and straggling -fforce-addr comments above.
11588
11589         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
11590         define.
11591         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
11592         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
11593
11594 2008-01-23  Michael Matz  <matz@suse.de>
11595
11596         PR debug/34895
11597         * dwarf2out.c (force_type_die): Use modified_type_die instead of
11598         gen_type_die.
11599
11600 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
11601
11602         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
11603         malloc result type.
11604
11605 2008-01-23 Anatoly Sokolov <aesok@post.ru>
11606
11607         * config/avr/avr.c (avr_current_arch): New variable.
11608         (avr_arch_types): Add 'avr31' and 'avr51' entries.
11609         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
11610         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
11611         (avr_override_options): Init 'avr_current_arch'. 
11612         (base_arch_s): Move from here...
11613         * config/avr/avr.h (base_arch_s): ... here. Add new members 
11614         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename 
11615         'mega' to 'have_jmp_call'.
11616         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__", 
11617         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
11618         macros.
11619         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51' 
11620         architectures.
11621         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, 
11622         MULTILIB_MATCHES): (Ditto.).
11623
11624 2008-01-23  Richard Guenther  <rguenther@suse.de>
11625
11626         PR middle-end/31529
11627         * cgraphunit.c (cgraph_reset_node): Always mark the node
11628         not reachable if it is not queued already.
11629
11630 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
11631
11632         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
11633         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
11634         (cputype_selected): New static variable.
11635         (bfin_handle_option): Set it if -mcpu is used.
11636         (override_option): Select default set of workarounds if no cpu type
11637         selected on the command line.
11638         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
11639
11640         From  Michael Frysinger  <michael.frysinger@analog.com>
11641         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
11642         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
11643
11644         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
11645         for bf547, bf523, bf524, and bf526.
11646         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
11647         bf526.
11648         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
11649         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
11650         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
11651         __ADSPBF547__ and __ADSPBF54x__ for bf547.
11652         * doc/invoke.texi (Blackfin Options): Document that
11653         -mcpu now accept bf547, bf523, bf524, and bf526.
11654
11655 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
11656
11657         PR rtl-optimization/34628
11658         * combine.c (try_combine): Stop and undo after the first combination
11659         if an autoincrement side-effect on the first insn has effectively
11660         been lost.
11661
11662 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
11663
11664         PR target/34529
11665         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
11666         Offset addresses are not valid for Altivec or paired float modes.
11667
11668 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
11669
11670         PR c++/34607
11671         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
11672         if DECL_INITIAL (decl) is error_mark_node.
11673
11674         PR c++/34914
11675         * c-common.c (handle_vector_size_attribute): Only allow
11676         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
11677         the same way as pointer, array etc. types.
11678         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
11679
11680         PR c++/34917
11681         * tree.c (build_type_attribute_qual_variant): Call
11682         build_qualified_type if attributes are equal, but quals are not.
11683
11684 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11685
11686         PR 32102
11687         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
11688         * flags.h (warn_strict_aliasing): Remove.
11689         (warn_strict_overflow): Remove.
11690         * opts.c (warn_strict_aliasing): Remove.
11691         (warn_strict_overflow): Remove.
11692         * c-opts.c (c_common_handle_option): -Wall only sets
11693         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
11694         (c_common_post_options): Give default values to -Wstrict-aliasing
11695         and -Wstrict-overflow if they are uninitialized.
11696         * common.opt (Wstrict-aliasing): Specify Var and Init.
11697         (Wstrict-overflow): Likewise.
11698
11699 2008-01-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
11700
11701         PR rtl-optimization/26854
11702         PR rtl-optimization/34400
11703         PR rtl-optimization/34884
11704         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
11705         DF_RD->gen.
11706         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
11707         (df_rd_bb_info.expanded_lr_out): Deleted
11708         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
11709         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
11710         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
11711         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
11712         Removed code to allocate, initialize or free expanded_lr_out.
11713         (df_rd_bb_local_compute_process_def): Restructured to make more
11714         understandable.
11715         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
11716         sets if the sets are being trimmed.
11717
11718 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
11719
11720         PR bootstrap/32287
11721         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
11722         (as_vers): Likewise.
11723         * configure: Regenerated.
11724
11725 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11726
11727         PR middle-end/33092
11728         * tree-pass.h (pass_build_alias): New pass.
11729         * tree-ssa-alias.c (gate_build_alias): New.
11730         (pass_build_alias): New.
11731         * passes.c (init_optimization_passes): Add pass_build_alias after
11732         pass_create_structure_vars.
11733
11734 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
11735
11736         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
11737         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
11738         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
11739         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
11740         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
11741         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
11742         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
11743         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
11744         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
11745         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
11746         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
11747         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
11748         * config/s390/s390.md (FP_ALL): New mode iterator.
11749         (_d): New mode attribute.
11750         ("*signbit<mode>2>"): Changed mode of first operand.
11751         ("isinf<mode>2"): Changed mode of first operand.
11752         ("*TDC_insn"): Adaptation for DFP modes.
11753
11754 2008-01-22  Ben Elliston  <bje@au.ibm.com>
11755
11756         * tree.c (check_qualified_type): Improve function description.
11757
11758 2008-01-21  Jason Merrill  <jason@redhat.com>
11759
11760         PR c++/34196
11761         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
11762         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
11763         if it is set.
11764
11765 2008-01-21  DJ Delorie  <dj@redhat.com>
11766
11767         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
11768         return zero.
11769
11770 2008-01-21  Richard Guenther  <rguenther@suse.de>
11771
11772         PR middle-end/34856
11773         * tree-cfg.c (verify_expr): Allow all invariant expressions
11774         instead of just constant class ones as reference argument.
11775         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
11776         like any other constant.
11777         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
11778
11779 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
11780
11781         * regmove.c (fixup_match_1): Update call crossed frequencies.
11782
11783 2008-01-21  Richard Guenther  <rguenther@suse.de>
11784
11785         PR c/34885
11786         * tree-inline.c (setup_one_parameter): Deal with mismatched
11787         types using a VIEW_CONVERT_EXPR.
11788
11789 2008-01-21  Alon Dayan  <alond@il.ibm.com>
11790             Olga Golovanevsky  <olga@il.ibm.com>
11791         
11792         PR tree-optimization/34701
11793         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
11794         when the structure size is not a power of 2.
11795
11796 2008-01-20  Kenneth Zadeck  <zadeck@naturalbridge.com>
11797
11798         * doc/install.texi: Add doc for --enable-checking=df.
11799         
11800 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
11801
11802         PR rtl-optimization/34808
11803         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
11804
11805 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
11806
11807         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
11808         input.
11809
11810 2008-01-19  Kenneth Zadeck  <zadeck@naturalbridge.com>
11811
11812         PR rtl-optimization/26854
11813         PR rtl-optimization/34400
11814         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
11815         DF_RD->gen.
11816         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
11817         (df_rd_bb_info.expanded_lr_out): New.
11818         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
11819         * loop_iv.c (iv_analysis_loop_init): Ditto.
11820         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
11821         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
11822         Added code to allocate, initialize or free expanded_lr_out.
11823         (df_rd_bb_local_compute_process_def): Restructured to make
11824         more understandable.
11825         (df_rd_confluence_n): Add code to do nothing with fake edges and
11826         code to no apply invalidate_by_call sets if the sets are being trimmed.
11827         (df_lr_local_finalize): Renamed to df_lr_finalize.
11828         (df_live_local_finalize): Renamed to df_live_finalize.
11829
11830 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
11831
11832         PR target/34831
11833         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
11834         deciding whether to use reciprocal instructions.
11835
11836 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
11837
11838         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
11839         dwarf2out_note_section_used if cold_text_section is NULL.
11840
11841 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
11842
11843         PR gcov-profile/34610
11844         * tree-cfg.c (make_edges): Mark both outgoing edges from
11845         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
11846         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
11847         from OMP_FOR and OMP_CONTINUE outgoing edges.
11848
11849         * tree-profile.c (tree_profiling): Return early if
11850         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
11851         at the end.
11852         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
11853         from cfun to child_cfun.
11854         * function.h (struct function): Add after_tree_profile bit.
11855
11856 2008-01-19 Anatoly Sokolov <aesok@post.ru>
11857
11858         * config/avr/avr.S (_exit): Disable interrupt.
11859
11860 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
11861             Steven Bosscher  <stevenb.gcc@gmail.com>
11862
11863         PR rtl-optimization/26854
11864         PR rtl-optimization/34400
11865         * df-problems.c (df_live_scratch): New scratch bitmap.
11866         (df_live_alloc): Allocate df_live_scratch when doing df_live.
11867         (df_live_reset): Clear the proper bitmaps.
11868         (df_live_bb_local_compute): Only process the artificial defs once
11869         since the order is not important.
11870         (df_live_init): Init the df_live sets only with the variables
11871         found live by df_lr.
11872         (df_live_transfer_function): Use the df_lr sets to prune the
11873         df_live sets as they are being computed.  
11874         (df_live_free): Free df_live_scratch.
11875
11876 2008-01-18  Ian Lance Taylor  <iant@google.com>
11877
11878         * common.opt: Add fmerge-debug-strings.
11879         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
11880         flag_merge_debug_strings rather than flag_merge_constants.
11881         * doc/invoke.texi (Option Summary): Mention
11882         -fmerge-debug-strings.
11883         (Debugging Options): Document -fmerge-debug-strings.
11884
11885 2008-01-18  Ian Lance Taylor  <iant@google.com>
11886
11887         PR c++/33407
11888         * tree.h (DECL_IS_OPERATOR_NEW): Define.
11889         (struct tree_function_decl): Add new field operator_new_flag.
11890         * tree-inline.c (expand_call_inline): When inlining a call to
11891         operator new, force the return value to go into a variable, and
11892         set DECL_NO_TBAA_P on that variable.
11893         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
11894
11895 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
11896
11897         PR debug/34484
11898         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
11899         DWARF2_DEBUGGING_INFO.
11900         (dwarf2out_note_section_used): Ditto.  Add prototype.
11901         (have_multiple_function_sections, text_section_used,
11902         cold_text_section_used, *cold_text_sections): Move declarations
11903         before their uses.
11904
11905 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
11906
11907         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
11908         field and add signal_ra.
11909         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
11910         assignments to frame state pc.  Move end of stack check after
11911         MD_FALLBACK_FRAME_STATE_FOR.
11912         (uw_update_context_1): Use frame state signal_regs if set, instead
11913         of checking signal_frame flag.
11914         (uw_update_context): Use frame state signal_ra if set.
11915         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
11916         * config/xtensa/linux-unwind.h: New file.
11917
11918 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
11919
11920         * modulo-sched.c (get_sched_window): Fix comment typo.
11921
11922 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
11923
11924         PR tree-optimization/34648
11925         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
11926
11927 2008-01-17  Anatoly Sokolov <aesok@post.ru>
11928
11929         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
11930         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
11931
11932 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
11933
11934         PR rtl-optimization/34400
11935         * df-core.c (df_worklist_dataflow_overeager,
11936         df_worklist_dataflow_doublequeue): New functions.
11937         (df_worklist_dataflow): Two different worklist solvers.
11938         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
11939         New param.
11940
11941 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
11942
11943         PR testsuite/34821
11944         * doc/invoke.texi: Document the dependence on pthread for fopenmp
11945         and ftree-parallelize-loops.
11946
11947 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
11948
11949         PR rtl-optimization/34826
11950         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
11951
11952 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
11953
11954         * global.c (find_reg): Mark the eh regs as used if necessary.
11955         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
11956         * ra.h (struct allocno): no_eh_reg field added.  Changed
11957         no_stack_reg type to bitfield.
11958
11959 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
11960
11961         * tree.c (substitute_in_expr): Add missing 'break'.
11962
11963 2008-01-17  Richard Guenther  <rguenther@suse.de>
11964
11965         PR tree-optimization/34825
11966         * tree-ssa-math-opts.c (is_division_by): Do not recognize
11967         x / x as division to handle.
11968
11969 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11970
11971         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
11972         "-pthread" is specified.
11973         * pa-hpux11.h (LIB_SPEC): Likewise.
11974
11975 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
11976             Peter Bergner  <bergner@vnet.ibm.com>
11977
11978         PR rtl-optimization/33796
11979         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
11980
11981 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11982
11983         PR libgfortran/34699
11984         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
11985         static links.
11986         * pa-hpux10.h (LINK_SPEC): Likewise.
11987         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
11988
11989 2008-01-16  Richard Guenther  <rguenther@suse.de>
11990
11991         PR middle-end/32628
11992         * fold-const.c (fold_convert_const_int_from_int): Do not
11993         set overflow if that occured only because of a sign extension
11994         change when converting from/to a sizetype with the same
11995         precision and signedness.
11996
11997 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
11998
11999         PR debug/34249
12000         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
12001         location address to the correct place.  Update copyright year.
12002
12003 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
12004
12005         * lambda-code.c (lambda_transform_legal_p): Handle the case of
12006         no dependences in the dependence_relations vector.
12007
12008 2008-01-16  Jan Hubicka  <jh@suse.cz>
12009
12010         PR rtl-optimization/31396
12011         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
12012         * cfg.c (dump_reg_info): Print it.
12013         * regs.h (struct reg_info_t): add freq_calls_crossed.
12014         (REG_FREQ_CALLS_CROSSED): New macro.
12015         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
12016         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
12017         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
12018         regmove_optimize): Update call crossed frequencies.
12019         * local-alloc.c (struct qty): Add freq_calls_crossed.
12020         (alloc_qty): Copute freq_calls_crossed.
12021         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
12022         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
12023         * ra.h (struct allocno): Add freq_calls_crossed.
12024
12025 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
12026
12027         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
12028         libgomp when compiling with ftree-parallelize-loops.
12029         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
12030
12031 2008-01-16  Richard Guenther  <rguenther@suse.de>
12032
12033         PR tree-optimization/34769
12034         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
12035         * tree.c (int_cst_value): Instead make this function more
12036         permissive in what it accepts as valid input.  Document this
12037         function always sign-extends the value.
12038
12039 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
12040             Richard Guenther  <rguenther@suse.de>
12041
12042         PR c/34668
12043         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
12044         (gimple_fold_indirect_ref_rhs): ... this.
12045         (gimple_fold_indirect_ref): New function with foldings
12046         that preserve lvalueness.
12047         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
12048         * tree-flow.h (gimple_fold_indirect_ref): Declare.
12049         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
12050         to fold an INDIRECT_REF, fall back to the old use of
12051         fold_indirect_ref_1.
12052
12053 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
12054
12055         * tree-data-ref.c (subscript_dependence_tester_1): Call 
12056         free_conflict_function.
12057         (compute_self_dependence): Same.
12058
12059 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
12060
12061         PR debug/34249
12062         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
12063         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
12064         function global.
12065         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
12066         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
12067         for DWARF2_UNWIND_INFO targets.
12068
12069 2008-01-16  Richard Guenther  <rguenther@suse.de>
12070
12071         PR c/34768
12072         * c-typeck.c (common_pointer_type): Do not merge inconsistent
12073         type qualifiers for function types.
12074
12075 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
12076
12077         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
12078         loop_iterator li from previous commit.
12079
12080 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
12081
12082         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
12083
12084 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
12085
12086         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
12087         (parallelize_loops): Don't parallelize irreducible components.
12088
12089 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12090
12091         PR c++/24924
12092         * c-opts (c_common_post_options): Do not enable CPP
12093         flag_pedantic_errors by default.
12094         
12095 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
12096
12097         PR rtl-optimization/31944
12098         * cse.c (remove_pseudo_from_table): New function.
12099         (merge_equiv_classes): Use above function to remove pseudo-registers.
12100         (invalidate): Likewise.
12101
12102 2008-01-13  Richard Guenther  <rguenther@suse.de>
12103
12104         PR middle-end/34601
12105         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
12106         instead of TYPE_MODE to deal with calls from expand_one_error_var.
12107
12108 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
12109
12110         * gcse.c (cprop_jump): Call validate_unshare_change instead of
12111         validate_change to unshare the source of the PC set.
12112
12113 2008-01-12  Jan Hubicka  <jh@suse.cz>
12114
12115         PR middle-end/32135
12116         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
12117         references above array bounds.  This might trigger bounds checks for
12118         pointers to arrays.
12119
12120 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
12121
12122         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
12123         new_replaceable_dependencies.
12124
12125 2008-01-12  Doug Kwan  <dougkwan@google.com>
12126
12127         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
12128         instead of OPT_Wreturn_type in warning due to ignored return type
12129         qualifiers.
12130         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
12131         options included in -Wextra.
12132         * c.opt: New option -Wignored_qualifiers.
12133         * doc/invoke.texi (Warning Options, -Wextra): Add new option
12134         -Wignore_qualifiers.
12135         (-Wignored-qualifiers): Document.
12136         (-Wreturn-type): Remove description of functionality now handled
12137         by -Wignored-qualifiers.
12138
12139 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
12140
12141         PR ada/33788
12142         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
12143         NOP_EXPR if it is between integral types with the same precision.
12144
12145 2008-01-12  Jan Hubicka  <jh@suse.cz>
12146
12147         PR other/28023
12148         * invoke.texi (max-inline-recursive-depth): Fix default value.
12149
12150 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
12151
12152         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
12153         correct type.
12154
12155 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
12156         
12157         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
12158         
12159 2008-01-11  James E. Wilson  <wilson@specifix.com>
12160
12161         PR target/26015
12162         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
12163
12164 2008-01-11  Anatoly Sokolov <aesok@post.ru>
12165
12166         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't 
12167         save/restore frame pointer register and don't use 'call-prologues' 
12168         optimization in function with "OS_task" attribute.
12169
12170 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
12171
12172         PR middle-end/31309
12173         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
12174         when copying to memory.
12175
12176 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
12177
12178         PR rtl-optimization/30905
12179         * cfgcleanup.c: Include dce.h
12180         (crossjumps_occured): New global variable.
12181         (try_crossjump_bb): Exit loop after finding a fallthru edge.
12182         If something changed, set crossjumps_occured to true.
12183         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
12184         Don't add/remove fake edges to exit here...
12185         (cleanup_cfg): ...but do it here, when crossjumping.
12186         Run a fast DCE when successful crossjumps occured in the latest
12187         iteration of try_optimize_cfg.
12188
12189 2008-01-11  Richard Guenther  <rguenther@suse.de>
12190
12191         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
12192         (struct vn_unary_op_s): Likewise.
12193         (vn_reference_insert): Free old reference on hash collision.
12194
12195 2008-01-10  Raksit Ashok  <raksit@google.com>
12196
12197         PR rtl-optimization/27971
12198         * combine.c (find_split_point): Split PLUS expressions which are
12199         inside a MEM rtx, and whose first operand is complex.
12200
12201 2008-01-10  DJ Delorie  <dj@redhat.com>
12202
12203         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
12204         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
12205         (m32c_hard_regno_ok): Call the underlying function.
12206
12207 2008-01-10  Richard Guenther  <rguenther@suse.de>
12208
12209         PR middle-end/34683
12210         * tree-cfg.c (tree_merge_blocks): Do not go through the
12211         full-blown folding and stmt updating path if we just deal
12212         with virtual operands.
12213         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
12214         test for abnormal SSA_NAMEs.
12215
12216 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
12217
12218         PR middle-end/34641
12219         * reload.c (push_reload): Add assertions.  All constants from
12220         reg_equiv_constant should have been used for replacing the respective
12221         pseudo earlier.
12222         (find_reloads_address): Invoke find_reloads_address_part for
12223         constant taken from the reg_equiv_constant array.
12224
12225 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
12226
12227         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
12228         field (valnum) the first in the struct.  Replace bools with
12229         unit bit fields.
12230
12231 2008-01-10  Richard Guenther  <rguenther@suse.de>
12232
12233         PR tree-optimization/34651
12234         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
12235         types and ordering for masking and converting.
12236
12237 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
12238
12239         PR tree-optimization/34017
12240         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
12241         also for PHI_NODE expressions.
12242
12243 2008-01-09  Jan Hubicka  <jh@suse.cz>
12244
12245         PR tree-optimization/34708
12246         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
12247         based on number of case labels.
12248         (init_inline_once): Remove switch_cost.
12249         * tree-inline.h (eni_weights_d): Remove switch_cost.
12250
12251 2008-01-09  Richard Guenther  <rguenther@suse.de>
12252         Andrew Pinski  <andrew_pinski@playstation.sony.com>
12253
12254         PR middle-end/30132
12255         * gimplify.c (gimplify_cond_expr): Do not create an addressable
12256         temporary if an rvalue is ok or an lvalue is not required.
12257
12258 2008-01-09  Richard Guenther  <rguenther@suse.de>
12259
12260         PR middle-end/34458
12261         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
12262         adjust return type.
12263
12264 2008-01-09  Richard Guenther  <rguenther@suse.de>
12265
12266         PR middle-end/34679
12267         * tree.c (host_integerp): Check for sizetype only if the
12268         type is an integer type.
12269
12270 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
12271
12272         PR debug/26364
12273         * opts.c (decode_options): Disable inlining of functions called
12274         once if not in unit-at-a-time mode.
12275
12276 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
12277
12278         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
12279
12280 2008-01-08  Richard Guenther  <rguenther@suse.de>
12281
12282         PR middle-end/31863
12283         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
12284         out early if the result will be unused.
12285
12286 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
12287
12288         PR target/34709
12289         Revert:
12290
12291         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
12292         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
12293         for TARGET_RECIP.       
12294         
12295 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
12296         
12297         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
12298         for vectorization tuned.
12299         
12300 2008-01-08  Richard Guenther  <rguenther@suse.de>
12301
12302         PR tree-optimization/34683
12303         * tree-ssa-operands.c (operand_build_cmp): Export.
12304         * tree-ssa-operands.h (operand_build_cmp): Declare.
12305         * tree-vn.c (vuses_compare): Remove.
12306         (sort_vuses): Use operand_build_cmp.
12307         (sort_vuses_heap): Likewise.
12308         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
12309         to re-use old VEC if available.  Do not sort already sorted VUSEs.
12310         (vdefs_to_vec): Do not sort already sorted VDEFs.
12311
12312 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
12313
12314         PR middle-end/34694
12315         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
12316
12317 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
12318
12319         PR target/34702
12320         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
12321         limitations of reciprocal sequences on x86 targets.
12322
12323 2008-01-08  Richard Guenther  <rguenther@suse.de>
12324
12325         PR tree-optimization/34683
12326         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
12327
12328 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
12329
12330         PR target/34622
12331         * config/darwin.c (darwin_mergeable_string_section): Don't use
12332         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
12333
12334 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
12335
12336         PR target/34682
12337         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
12338         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
12339         predicates of op0 and op1 to register_operand.
12340         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
12341         expander using X87MODEF mode iterator.  Change predicates of
12342         op0 and op1 to register_operand.
12343         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
12344         corresponding patterns and macroize using MODEF macro.  Change
12345         predicates of op0 and op1 to register_operand and remove
12346         "m" constraint. Disparage "r" alternative with "!".
12347         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
12348         macroize using X87MODEF macro.  Change predicates of op0 and op1
12349         to register_operand and remove "m" constraint.  Disparage "r"
12350         alternative with "!".
12351         (absneg splitter with memory operands): Remove.
12352         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
12353         patterns and macroize using X87MODEF mode iterator.
12354         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
12355         Change predicate of op1 to register_operand.
12356         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
12357         for memory operands.
12358
12359 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
12360
12361         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
12362
12363 2008-01-07  Richard Guenther  <rguenther@suse.de>
12364
12365         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
12366         fields.
12367
12368 2008-01-07  Richard Guenther  <rguenther@suse.de>
12369
12370         PR tree-optimization/34683
12371         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
12372         VOPs of the needed size to save memory.  Use VEC_quick_push
12373         to save compile-time.
12374         (vdefs_to_vec): Likewise.
12375
12376 2008-01-07  Sa Liu  <saliu@de.ibm.com>
12377
12378         * config/spu/spu.md (divdf3): Genetate inline code for double
12379         division.  The implementation doesn't handle INF or NAN, therefore it
12380         only applies when -ffinite-math-only is given.
12381
12382 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
12383
12384         PR libstdc++/34680
12385         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
12386         * doc/cpp.texi ([Common Predefined Macros]): Document.
12387
12388 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
12389
12390         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
12391         order to use commutative addition instead of subtraction.
12392
12393 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12394             Mircea Namolaru  <namolaru@il.ibm.com>
12395             Vladimir Yanovsky  <yanov@il.ibm.com>
12396             Revital Eres  <eres@il.ibm.com>
12397
12398         PR tree-optimization/34263
12399         * tree-outof-ssa.c (process_single_block_loop_latch,
12400         contains_tree_r): New functions.
12401         (analyze_edges_for_bb): Call process_single_block_loop_latch
12402         function to empty single-basic-block latch block if possible.
12403
12404 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
12405
12406         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
12407         for TARGET_RECIP.
12408         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
12409
12410 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
12411
12412         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
12413
12414 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
12415
12416         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
12417
12418 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
12419
12420         PR tree-optimization/34618
12421         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
12422         flag from T.
12423
12424 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
12425
12426         PR target/34673
12427         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
12428         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
12429         Update copyright year.
12430
12431         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
12432         Update copyright year.
12433         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
12434         using NR fixup.
12435
12436 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
12437
12438         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
12439         edge does not point to current bb before changing need_assert.
12440
12441 2008-01-04  Richard Guenther  <rguenther@suse.de>
12442
12443         PR middle-end/34029
12444         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
12445         for verifying purposes if they are is_gimple_min_invariant.
12446
12447 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
12448
12449         PR tree-optimization/34448
12450         PR tree-optimization/34465
12451         * gimplify.c (gimplify_init_constructor): Add new parameter
12452         notify_temp_creation.  Use it.
12453         (gimplify_modify_expr_rhs): Take volatiles into account when
12454         optimizing constructors.
12455         Do not optimize constructors if gimplify_init_constructor will dump to
12456         memory.
12457         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
12458         * gcc.c-torture/compile/pr34448.c: New.
12459
12460 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
12461
12462         PR gcov-profile/34609
12463         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
12464         return_slot if result is TREE_ADDRESSABLE.
12465
12466 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
12467
12468         * config/mips/mips.md (sqrt_condition): Tweak comment.
12469         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
12470
12471 2008-01-03  Tom Tromey  <tromey@redhat.com>
12472
12473         PR c/34457
12474         * c-common.c (c_type_hash): Handle VLAs.
12475
12476 2008-01-03  Jan Hubicka  <jh@suse.cz>
12477
12478         PR tree-optimization/31081
12479         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
12480         0 when inlining and not inlining to first basic block.
12481         (remap_decl): When var is initialized to 0, don't set default_def.
12482         (expand_call_inline): Set entry_bb.
12483         * tree-inline.h (copy_body_data): Add entry_bb.
12484
12485 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
12486
12487         PR c++/34619
12488         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
12489         before returning.
12490
12491         PR tree-optimization/29484
12492         * tree-inline.c (inline_forbidden_p_2): New function.
12493         (inline_forbidden_p): Disallow inlining if some static var
12494         has an address of a local LABEL_DECL in its initializer.
12495         * doc/extend.texi (Labels as Values): Document &&foo behaviour
12496         vs. inlining.
12497
12498 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
12499
12500         PR tree-optimization/34635
12501         * tree-data-ref.c (add_other_self_distances): Make sure that the
12502         evolution step is constant.
12503
12504 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
12505
12506         PR middle-end/34608
12507         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
12508
12509 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
12510
12511         * tree-sra.c (scalarize_init): Insert the generate_element_init
12512         statements after the generate_element_zero statements.
12513
12514 2008-01-02  Richard Guenther  <rguenther@suse.de>
12515
12516         PR middle-end/34093
12517         PR middle-end/31976
12518         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
12519         for very large number of operands instead of ICEing.
12520
12521 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
12522
12523         PR target/34013
12524         * config/i386/i386.c (ix86_expand_prologue): Save red-zone
12525         while stack probing.
12526
12527 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
12528
12529         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
12530         in C++0x mode.
12531
12532 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
12533
12534         PR libmudflap/26442
12535         * tree-mudflap.c (mx_register_decls): Guard warning by
12536         !DECL_ARTIFICIAL check.
12537
12538 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
12539
12540         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
12541         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
12542         sse5_perm<mode>): Fix constraints.