OSDN Git Service

51d1b34e7dc89fd733f25c0be5bc08401f13e717
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2008-06-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2
3         * configure: Regenerate.
4
5 2008-06-17  Eric B. Weddington  <eric.weddington@atmel.com>
6
7         * config/avr/avr.c (avr_mcu_t): Remove atmega32hvb.
8         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise. 
9         * config/avr/t-avr (MULTILIB_MATCHES): Likewise. 
10
11 2008-06-17  Eric B. Weddington  <eric.weddington@atmel.com>
12
13         * config/avr/avr.c (avr_mcu_t): Add attiny167.
14         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise. 
15         * gcc/config/avr/t-avr (MULTILIB_MATCHES): Likewise. 
16
17 2008-06-17  Eric B. Weddington  <eric.weddington@atmel.com>
18
19         * config/avr/avr.c (avr_mcu_t): Add atmega32u4.
20         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise. 
21         * config/avr/t-avr (MULTILIB_MATCHES): Likewise. 
22
23 2008-06-17  Bernhard Fischer  <aldot@gcc.gnu.org>
24
25         * tree-ssa-sccvn.c: Fix format of comments.
26
27 2008-06-17  Bernhard Fischer  <aldot@gcc.gnu.org>
28
29         * cgraph.c: Remove unneeded forward declarations of eq_node()
30         and hash_node().
31
32 2008-06-17  Steven Bosscher  <steven@gcc.gnu.org>
33
34         * see.c (see_analyse_one_def): Do not look for REG_LIBCALL and
35         REG_RETVAL notes.
36         (see_update_relevancy): Likewise.
37         * fwprop.c (try_fwprop_subst): Likewise.
38         * rtlanal.c (noop_move_p): Likewise.
39         * builtins.c (expand_buitlin_mathfn): Don't try to add REG_EQUAL
40         notes to non-existing libcall blocks.
41         * cse.c (cse_insn): Change prototype.  Don't update libcall notes.
42         Remove orig_set.
43         (cse_extended_basic_block): Don't track libcall and no-conflict notes.
44         (dead_libcall_p): Remove.
45         (delete_trivially_dead_insns): Don't use it.
46         * web.c (union_defs): Remove comment about keeping nops.
47         * gcse.c (hash_scan_insn): Don't take libcall pointers.
48         (compute_hash_table_work): Don't track libcall notes.
49         (do_local_cprop): Don't take libcall pointers.  Don't update
50         libcall notes.
51         (adjust_libcall_notes): Deleted.
52         (local_cprop_pass): Remove stack for nested libcalls (which shouldn't
53         ever have existed in the first place).
54         (replace_store_insn): Don't try to remove libcall notes.
55         * lower-subreg.c (move_libcall_note, move_retval_note): Deleted.
56         (resolve_reg_notes): Don't call them.
57         (resolve_simple_move): Likewise.
58         (decompose_multiword_subregs): Remove block handling REG_RETVAL notes.
59         Don't remove REG_RETVAL notes.
60         * emit-rtl.c (try_split): Don't update libcall notes.
61         (emit_copy_of_insn_after): Dito.
62         * cselib.c (cselib_current_insn_in_libcall): Remove.
63         (cselib_process_insn): Don't set/clear it.
64         (new_elt_loc_list): Don't record it.
65         (cselib_init): Don't initialize it.
66         * cselib.c (struct elt_loc_list): Remove in_libcall field.
67         * loop-invariant.c (find_invariant_insn): Don't look for libcall
68         notes.
69         * sched-deps.c (sched_analyze_insn): Don't group libcall blocks.
70         (sched_analyze): Don't set up deps->libcall_block_tail_insn.
71         (init_deps): Don't initialize it.
72         * sched-int.h (struct deps): Rremove libcall_block_tail_insn field.
73         * combine.c (delete_noop_moves): Don't update libcall notes.
74         (can_combine_p): Remove now pointless #if 0 block.
75         (try_combine): Remove another obsolete #if 0 block.
76         (distribute_notes): Don't distribute libcall notes.
77         * reg-notes.def (REG_LIBCALL, REG_RETVAL): Remove.
78         * dce.c (libcall_dead_p): Remove.
79         (delete_unmarked_insns): Don't handle libcall blocks.
80         (preserve_libcall_for_dce): Remove.
81         (prescan_insns_for_dce): Don't special-case libcall block insns.
82         * reload1 (reload): Don't handle libcall notes. 
83         * doc/rtl.texi (REG_LIBCALL, REG_RETVAL, REG_LIBCALL_ID): Remove
84         documentation.
85
86 2008-06-16  Eric B. Weddington  <eric.weddington@atmel.com>
87
88         * config/avr/avr.c (avr_mcu_t): Add atmega32c1.
89         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
90         * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
91
92 2008-06-16  Eric B. Weddington  <eric.weddington@atmel.com>
93
94         * config/avr/avr.c (avr_mcu_t): Add atmega32m1.
95         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
96         * config/avr/t-avr (MULTILIB_MATCHES): Likewise. 
97
98 2008-06-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
99
100         * Makefile.in (FLAGS_TO_PASS): Add $(datarootdir).
101
102 2008-06-16  Ira Rosen  <irar@il.ibm.com>
103
104         PR tree-optimization/36493
105         * tree-vect-transform.c (vect_create_data_ref_ptr): Remove TYPE from
106         the arguments list. Use VECTYPE to create vector pointer.
107         (vectorizable_store): Fail if accesses through a pointer to vectype
108         do not alias the original memory reference operands.
109         Call vect_create_data_ref_ptr without the removed argument.
110         (vectorizable_load): Likewise.
111         (vect_setup_realignment): Call vect_create_data_ref_ptr without the
112         removed argument.
113
114 2008-06-015  Andy Hutchinson  <hutchinsonandy@aim.com>
115
116         PR target/36336
117         * config/avr/avr.h (LEGITIMIZE_RELOAD_ADDRESS): Add check for 
118         reg_equiv_constant.
119
120 2008-06-15  Maxim Kuvyrkov  <maxim@codesourcery.com>
121
122         * config/mips/loongson2ef.md: New file.
123         * config/mips/mips.md (UNSPEC_LOONGSON_ALU1_TURN_ENABLED_INSN)
124         (UNSPEC_LOONGSON_ALU2_TURN_ENABLED_INSN)
125         (UNSPEC_LOONGSON_FALU1_TURN_ENABLED_INSN)
126         (UNSPEC_LOONGSON_FALU2_TURN_ENABLED_INSN): New constants.
127         (define_attr "cpu"): Rename loongson2e and loongson2f to loongson_2e
128         and loongson_2f.
129         (loongson2ef.md): New include.
130         * config/mips/loongson.md (vec_pack_ssat_<mode>, vec_pack_usat_<mode>)
131         (add<mode>3, paddd, ssadd<mode>3, usadd<mode>3)
132         (loongson_and_not_<mode>, loongson_average_<mode>, loongson_eq_<mode>)
133         (loongson_gt_<mode>, loongson_extract_halfword)
134         (loongson_insert_halfword_0, loongson_insert_halfword_2)
135         (loongson_insert_halfword_3, loongson_mult_add, smax<mode>3)
136         (umax<mode>3, smin<mode>3, umin<mode>3, loongson_move_byte_mask)
137         (umul<mode>3_highpart, smul<mode>3_highpart, loongson_smul_lowpart)
138         (loongson_umul_word, loongson_pasubub, reduc_uplus_<mode>)
139         (loongson_psadbh, loongson_pshufh, loongson_psll<mode>)
140         (loongson_psra<mode>, loongson_psrl<mode>, sub<mode>3, psubd)
141         (sssub<mode>3, ussub<mode>3, vec_interleave_high<mode>)
142         (vec_interleave_low<mode>): Define type attribute.
143         * config/mips/mips.c (mips_ls2): New static variable.
144         (mips_issue_rate): Update to handle tuning for Loongson 2E/2F.
145         (mips_ls2_init_dfa_post_cycle_insn, mips_init_dfa_post_cycle_insn)
146         (sched_ls2_dfa_post_advance_cycle, mips_dfa_post_advance_cycle):
147         Implement target scheduling hooks.
148         (mips_multipass_dfa_lookahead): Update to handle tuning for
149         Loongson 2E/2F.
150         (mips_sched_init): Initialize data for Loongson scheduling.
151         (mips_ls2_variable_issue): New static function.
152         (mips_variable_issue): Update to handle tuning for Loongson 2E/2F.
153         Add sanity check.
154         (TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN)
155         (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Override target hooks.
156         * config/mips/mips.h (TUNE_LOONGSON_2EF): New macros.
157         (ISA_HAS_XFER_DELAY, ISA_HAS_FCMP_DELAY, ISA_HAS_HILO_INTERLOCKS):
158         Handle ST Loongson 2E/2F cores.
159         (CPU_UNITS_QUERY): Define macro to enable querying of DFA units.
160
161 2008-06-15  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
162
163         * omp-low.c (extract_omp_for_data): Fix comment typo.
164         * c.opt: Fix typo.
165
166 2008-06-15  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
167
168         * doc/sourcebuild.texi (Config Fragments): Remove obsolete
169         FIXME note about gcc/config.guess.
170         * doc/options.texi (Option file format): Remove non-ASCII bytes.
171         * doc/cpp.texi: Expand TABs, drop indentation outside examples.
172         * doc/cppopts.texi: Likewise.
173         * doc/extend.texi: Likewise.
174         * doc/gcc.texi: Likewise.
175         * doc/gccint.texi: Likewise.
176         * doc/gcov.texi: Likewise.
177         * doc/gty.texi: Likewise.
178         * doc/hostconfig.texi: Likewise.
179         * doc/install.texi: Likewise.
180         * doc/invoke.texi: Likewise.
181         * doc/loop.texi: Likewise.
182         * doc/makefile.texi: Likewise.
183         * doc/md.texi: Likewise.
184         * doc/passes.texi: Likewise.
185         * doc/tm.texi: Likewise.
186         * doc/tree-ssa.texi: Likewise.
187         * doc/trouble.texi: Likewise.
188
189 2008-06-15  Mark Shinwell  <shinwell@codesourcery.com>
190             Nathan Sidwell  <nathan@codesourcery.com>
191             Maxim Kuvyrkov  <maxim@codesourcery.com>
192             Richard Sandiford  <rdsandiford@googlemail.com>
193         
194         * config/mips/mips-modes.def: Add V8QI, V4HI and V2SI modes.
195         * config/mips/mips-protos.h (mips_expand_vector_init): New.
196         * config/mips/mips-ftypes.def: Add function types for Loongson-2E/2F
197         builtins.
198         * config/mips/mips.c (mips_split_doubleword_move): Handle new modes.
199         (mips_hard_regno_mode_ok_p): Allow 64-bit vector modes for Loongson.
200         (mips_vector_mode_supported_p): Add V2SImode, V4HImode and
201         V8QImode cases.
202         (LOONGSON_BUILTIN, LOONGSON_BUILTIN_ALIAS): New.
203         (CODE_FOR_loongson_packsswh, CODE_FOR_loongson_packsshb,
204         (CODE_FOR_loongson_packushb, CODE_FOR_loongson_paddw,
205         (CODE_FOR_loongson_paddh, CODE_FOR_loongson_paddb,
206         (CODE_FOR_loongson_paddsh, CODE_FOR_loongson_paddsb)
207         (CODE_FOR_loongson_paddush, CODE_FOR_loongson_paddusb)
208         (CODE_FOR_loongson_pmaxsh, CODE_FOR_loongson_pmaxub)
209         (CODE_FOR_loongson_pminsh, CODE_FOR_loongson_pminub)
210         (CODE_FOR_loongson_pmulhuh, CODE_FOR_loongson_pmulhh)
211         (CODE_FOR_loongson_biadd, CODE_FOR_loongson_psubw)
212         (CODE_FOR_loongson_psubh, CODE_FOR_loongson_psubb)
213         (CODE_FOR_loongson_psubsh, CODE_FOR_loongson_psubsb)
214         (CODE_FOR_loongson_psubush, CODE_FOR_loongson_psubusb)
215         (CODE_FOR_loongson_punpckhbh, CODE_FOR_loongson_punpckhhw)
216         (CODE_FOR_loongson_punpckhwd, CODE_FOR_loongson_punpcklbh)
217         (CODE_FOR_loongson_punpcklhw, CODE_FOR_loongson_punpcklwd): New.
218         (mips_builtins): Add Loongson builtins.
219         (mips_loongson_2ef_bdesc): New.
220         (mips_bdesc_arrays): Add mips_loongson_2ef_bdesc.
221         (mips_builtin_vector_type): Handle unsigned versions of vector modes.
222         (MIPS_ATYPE_UQI, MIPS_ATYPE_UDI, MIPS_ATYPE_V2SI, MIPS_ATYPE_UV2SI)
223         (MIPS_ATYPE_V4HI, MIPS_ATYPE_UV4HI, MIPS_ATYPE_V8QI, MIPS_ATYPE_UV8QI):
224         New.
225         (mips_expand_vector_init): New.
226         * config/mips/mips.h (HAVE_LOONGSON_VECTOR_MODES): New.
227         (TARGET_CPU_CPP_BUILTINS): Define __mips_loongson_vector_rev
228         if appropriate.
229         * config/mips/mips.md: Add unspec numbers for Loongson
230         builtins.  Include loongson.md.
231         (MOVE64): Include Loongson vector modes.
232         (SPLITF): Include Loongson vector modes.
233         (HALFMODE): Handle Loongson vector modes.
234         * config/mips/loongson.md: New.
235         * config/mips/loongson.h: New.
236         * config.gcc: Add loongson.h header for mips*-*-* targets.
237         * doc/extend.texi (MIPS Loongson Built-in Functions): New.
238
239 2008-06-14  Joseph Myers  <joseph@codesourcery.com>
240
241         * config.gcc (arc-*-elf*, avr-*-*, fr30-*-elf, frv-*-elf,
242         h8300-*-elf*, h8300-*-*, i[34567]86-*-elf*, x86_64-*-elf*,
243         i[34567]86-*-aout*, i[34567]86-*-coff*, ia64*-*-elf*,
244         iq2000*-*-elf*, m32r-*-elf*, m32rle-*-elf*, m32r-*-linux*,
245         m32rle-*-linux*, m68hc11-*-*|m6811-*-*, m68hc12-*-*|m6812-*-*,
246         m68k-*-coff*, mcore-*-elf, mcore-*-pe*, mipsisa64sr71k-*-elf*,
247         mipsisa64sb1-*-elf* | mipsisa64sb1el-*-elf*, mips-*-elf* |
248         mipsel-*-elf*, mips64-*-elf* | mips64el-*-elf*, mips64vr-*-elf* |
249         mips64vrel-*-elf*, mips64orion-*-elf* | mips64orionel-*-elf*,
250         mipstx39-*-elf* | mipstx39el-*-elf*, mn10300-*-*, pdp11-*-,
251         powerpc-*-elf*, powerpcle-*-elf*, sh-*-elf* | sh[12346l]*-*-elf* |
252         sh-*-symbianelf* | sh[12346l]*-*-symbianelf* | sh-*-linux* |
253         sh[2346lbe]*-*-linux* | sh-*-netbsdelf* | shl*-*-netbsdelf* |
254         sh5-*-netbsd* | sh5l*-*-netbsd* | sh64-*-netbsd* |
255         sh64l*-*-netbsd*, sh-*-*, sparc-*-elf*, sparc64-*-elf*,
256         v850e1-*-*, v850e-*-*, v850-*-*, xstormy16-*-elf, m32c-*-elf*):
257         Remove use_fixproto=yes.
258         (ia64*-*-hpux*): Remove comment about using fixproto.
259         (m68k-*-uclinuxoldabi*, m68k-*-uclinux*): Remove use_fixproto=no.
260
261 2008-06-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
262
263         * configure.ac: Update gthr-default.h lazily, to avoid unneeded
264         library rebuilds.
265         * configure: Regenerate.
266
267 2008-06-13  Eric Botcazou  <ebotcazou@adacore.com>
268
269         PR middle-end/36520
270         * builtins.c (get_memory_rtx): Test for the presence of DECL_SIZE_UNIT
271         before evaluating it.
272
273 2008-06-13  Jakub Jelinek  <jakub@redhat.com>
274
275         PR c/36507
276         * c-decl.c (merge_decls): Don't clear DECL_EXTERNAL for
277         nested inline functions.
278         (start_decl, start_function): Don't invert DECL_EXTERNAL
279         for nested inline functions.
280
281 2008-06-13  Richard Sandiford  <rdsandiford@googlemail.com>
282
283         * config/mips/mips.md: Remove TARGET_DEBUG_D_MODE conditions from
284         splits that must be made for correctness.
285
286 2008-06-13  Richard Sandiford  <rdsandiford@googlemail.com>
287
288         * config/mips/mips.c (BUILTIN_AVAIL_NON_MIPS16): New macro.
289         (AVAIL_NON_MIPS16): Likewise.
290         (mips_builtin_description): Replace target_flags with a predicate.
291         (paired_single, sb1_paired_single, mips3d, dsp, dspr2, dsp_32)
292         (dspr2_32): New availability predicates.
293         (MIPS_BUILTIN): New macro.
294         (DIRECT_BUILTIN, CMP_SCALAR_BUILTINS, CMP_PS_BUILTINS)
295         (CMP_4S_BUILTINS, MOVTF_BUILTINS, CMP_BUILTINS)
296         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): Use it.
297         Replace the TARGET_FLAGS parameters with AVAIL parameters.
298         (mips_ps_bdesc, mips_sb1_bdesc, mips_dsp_bdesc)
299         (mips_dsp_32only_bdesc): Merge into...
300         (mips_builtins): ...this new array.
301         (mips_bdesc_map, mips_bdesc_arrays): Delete.
302         (mips_init_builtins): Update after above changes.
303         (mips_expand_builtin_1): Merge into...
304         (mips_expand_builtin): ...here and update after above changes.
305
306 2008-06-12  Paul Brook  <paul@codesourcery.com>
307
308         * longlong.h (__arm__): Define count_leading_zeros.
309         * config/arm/lib1funcs.asm (xxh, xxl, yyh, yyl): Define.
310         (clzsi2, clzdi2): New functions.
311         * config/arm/bpabi-v6m.S (xxh, xxl, yyh, yyl): Remove.
312         * config/arm/bpabi.S (xxh, xxl, yyh, yyl): Remove.
313         * config/arm/t-strongarm-elf (LIB1ASMFUNCS): Ditto.
314         * config/arm/t-vxworks (LIB1ASMFUNCS): Ditto.
315         * config/arm/t-pe (LIB1ASMFUNCS): Ditto.
316         * config/arm/t-arm-elf (LIB1ASMFUNCS): Ditto.
317         * config/arm/t-arm-coff (LIB1ASMFUNCS): Ditto.
318         * config/arm/t-linux (LIB1ASMFUNCS): Ditto.
319         * config/arm/t-symbian (LIB1ASMFUNCS): Ditto.
320         * config/arm/t-wince-pe (LIB1ASMFUNCS): Ditto.
321
322 2008-06-12  Kazu Hirata  <kazu@codesourcery.com>
323
324         * config/m68k/m68k.c (m68k_tune_flags): New.
325         (override_options): Compute m68k_tune_flags.
326         (MULL_COST, MULW_COST): Update for various variants of CFV2.
327         * config/m68k/m68k.h (TUNE_MAC, TUNE_EMAC): New.
328
329 2008-06-12  Jakub Jelinek  <jakub@redhat.com>
330
331         PR middle-end/36506
332         * omp-low.c (expand_omp_sections): Initialize l2 to avoid bogus
333         warning.
334
335 2008-06-12  Eric Botcazou  <ebotcazou@adacore.com>
336
337         * tree-inline.c (copy_body_r): Copy TREE_SIDE_EFFECTS along with
338         TREE_THIS_VOLATILE on INDIRECT_REF nodes.
339
340 2008-06-12  Eric Botcazou  <ebotcazou@adacore.com>
341
342         * expr.c (store_field): Do a block copy from BLKmode to BLKmode-like.
343         (get_inner_reference): Use BLKmode for byte-aligned BLKmode bitfields.
344
345 2008-06-12  Jakub Jelinek  <jakub@redhat.com>
346
347         PR middle-end/36506
348         * omp-low.c (expand_omp_sections): Handle #pragma omp sections with
349         reductions.
350
351 2008-06-12  Richard Guenther  <rguenther@suse.de>
352
353         PR tree-optimization/36345
354         * tree-flow.h (struct ptr_info_def): Align escape_mask,
355         add memory_tag_needed flag.
356         (may_alias_p): Declare.
357         * tree-ssa-alias.c (may_alias_p): Export.
358         (set_initial_properties): Use memory_tag_needed flag.
359         (update_reference_counts): Likewise.
360         (reset_alias_info): Reset memory_tag_needed flag.
361         (create_name_tags): Check memory_tag_needed flag.
362         (dump_points_to_info_for): Dump it.
363         * tree-ssa-structalias.c (struct variable_info): Remove
364         directly_dereferenced flag.
365         (new_var_info): Do not initialize it.
366         (process_constraint_1): Do not set it.
367         (update_alias_info): Set is_dereferenced flag.
368         (set_uids_in_ptset): Use may_alias_p.
369         (set_used_smts): Check memory_tag_needed flag.
370         (find_what_p_points_to): Likewise.  Pass is_dereferenced flag.
371         * tree-ssa-alias.c (verify_flow_sensitive_alias_info): Check
372         memory_tag_needed flag.
373         * tree-ssa-alias-warnings.c (dsa_named_for): Try to recover
374         from broken design.
375
376 2008-06-12  Kai Tietz  <kai.tietz@onevision.com>
377
378         * config/i386/i386.c (ix86_compute_frame_layout): Disable red zone for
379         w64 abi.
380         (ix86_expand_prologue): Likewise.
381         (ix86_force_to_memory): Likewise.
382         (ix86_free_from_memory): Likewise.
383
384 2008-06-11  Edmar Wienskoski  <edmar@freescale.com>
385
386         PR target/36425
387         * config/rs6000/rs6000.c (rs6000_override_options): Set
388         rs6000_isel conditionally to the absence of comand line
389         override.
390         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
391         Remove duplicate rs6000_isel setting.
392         * config/rs6000/eabispe.h: Ditto.
393
394 2008-06-11  Richard Guenther  <rguenther@suse.de>
395
396         * alias.c (get_alias_set): Use the element alias-set for arrays.
397         (record_component_aliases): For arrays and vectors do nothing.
398         * c-common.c (strict_aliasing_warning): Handle the cases
399         of alias set zero explicitly.
400         * Makefile.in (dfp.o-warn): Add -Wno-error.
401
402 2008-06-11  Joseph Myers  <joseph@codesourcery.com>
403
404         * config.gcc (all_defaults): Add arch_32 arch_64 cpu_32 cpu_64
405         tune_32 tune_64.
406         (i[34567]86-*-* | x86_64-*-*): Add arch_32 arch_64 cpu_32 cpu_64
407         tune_32 tune_64 to supported_defaults.  Allow values not
408         supporting 64-bit mode for arch_32, cpu_32 and tune_32 for
409         x86_64.  Do not override cpu_32 or cpu_64 values from target name.
410         (i[34567]86-*-linux*, i[34567]86-*-solaris2.1[0-9]*): Only default
411         with_cpu_64 to generic for 64-bit-supporting configurations, not
412         with_cpu.  Remove FIXMEs.
413         * doc/install.texi (--with-cpu-32, --with-cpu-64, --with-arch-32,
414         --with-arch-64, --with-tune-32, --with-tune-64): Document.
415         * config/i386/i386.h (OPT_ARCH32, OPT_ARCH64): Define.
416         (OPTION_DEFAULT_SPECS): Add tune_32, tune_64, cpu_32, cpu_64,
417         arch_32 and arch_64.
418
419 2008-06-11  Eric Botcazou  <ebotcazou@adacore.com>
420             Olivier Hainque  <hainque@adacore.com>
421
422         * builtins.c (get_memory_rtx): Accept byte-addressable bitfields.
423         Use DECL_SIZE_UNIT to retrieve the size of the field.
424
425 2008-06-11  Joseph Myers  <joseph@codesourcery.com>
426
427         * config/arm/arm.c (arm_init_neon_builtins): Move initialization
428         with function calls after declarations.  Lay out
429         neon_float_type_node before further use.
430
431 2008-06-11  Richard Guenther  <rguenther@suse.de>
432
433         * tree-flow.h (may_point_to_global_var): Declare.
434         * tree-ssa-alias.c (may_point_to_global_var): New function.
435         * tree-ssa-sink.c (is_hidden_global_store): Use it.
436
437 2008-06-10  Kazu Hirata  <kazu@codesourcery.com>
438
439         * configure.ac: Teach that fido supports .debug_line.
440         * configure: Regenerate.
441
442 2008-06-10  Tom Tromey  <tromey@redhat.com>
443
444         * c-lex.c (fe_file_change): Pass SOURCE_LINE to start_source_file
445         debug hook.
446
447 2008-06-10  Joseph Myers  <joseph@codesourcery.com>
448
449         * dfp.c (WORDS_BIGENDIAN): Define to 0 if not defined.
450         (encode_decimal64, decode_decimal64, encode_decimal128,
451         decode_decimal128): Reverse order of 32-bit parts of value if host
452         and target endianness differ.
453
454 2008-06-10  Vinodha Ramasamy  <vinodha@google.com>
455         * value_prob.c (tree_divmod_fixed_value_transform): Use gcov_type.
456         Avoid division by 0.
457         (tree_mod_pow2_value_transform): Likewise.
458         (tree_ic_transform): Likewise.
459         (tree_stringops_transform): Likewise.
460         (tree_mod_subtract_transform): Likewise.
461         * tree-inline-c (copy_bb): Corrected int type to gcov_type.
462         (copy_edges_for_bb): Likewise.
463         (initialize_cfun): Likewise.
464
465 2008-06-10  Uros Bizjak  <ubizjak@gmail.com>
466
467         * config/i386/i386.md (*btdi_rex64): Change operand 1 predicate to
468         nonmemory_operand. Add "N" operand constraint.
469         (*btsi): Ditto.
470         (*jcc_btdi_mask_rex64): New instruction and split pattern.
471         (*jcc_btsi_mask): Ditto.
472         (*jcc_btsi_mask_1): Ditto.
473
474 2008-06-10  Joseph Myers  <joseph@codesourcery.com>
475
476         * config/rs6000/rs6000.c (build_opaque_vector_type): Set
477         TYPE_CANONICAL for copied element type.
478
479 2008-06-10  Uros Bizjak  <ubizjak@gmail.com>
480
481         PR target/36473
482         * config/i386/i386.c (ix86_tune_features) [TUNE_USE_BT]:
483         Add m_CORE2 and m_GENERIC.
484         * config/i386/predicates.md (bt_comparison_operator): New predicate.
485         * config/i386/i386.md (*btdi_rex64): New instruction pattern.
486         (*btsi): Ditto.
487         (*jcc_btdi_rex64): New instruction and split pattern.
488         (*jcc_btsi): Ditto.
489         (*jcc_btsi_1): Ditto.
490         (*btsq): Fix Intel asm dialect operand order.
491         (*btrq): Ditto.
492         (*btcq): Ditto.
493
494 2008-06-09  Andy Hutchinson  <hutchinsonandy@aim.com>
495
496         PR middle-end/36447
497         * simplify-rtx.c (simplify_subreg): Add check for shift count 
498         greater than size.
499
500 2008-06-09  Richard Sandiford  <rdsandiford@googlemail.com>
501
502         * doc/md.texi: Synchronize with later constraints.md change.
503         * longlong.h (umul_ppmm): Replace the MIPS asm implementation
504         with a C implementation.
505         * config/mips/mips.c (mips_legitimize_move): Remove MFHI and
506         MFLO handling.
507         (mips_subword): Assume TImode for CONST_INTs if TARGET_64BIT.
508         (mips_split_doubleword_move): Use special MTHI and MFHI instructions
509         when moving to and from MD_REGNUM.
510         (mips_output_move): Don't handle moves from GPRs to HI_REGNUM.
511         Handle moves from LO_REGNUM to GPRs using MFLO, MACC or DMACC.
512         Handle byte and halfword moves.
513         (mips_hard_regno_mode_ok_p): Handle MD_REGS and DSP_ACC_REGS
514         separately.
515         * config/mips/constraints.md (h): Turn into NO_REGS.
516         (l, x): Update documentation.
517         * config/mips/mips.md (UNSPEC_MFHILO): Delete.
518         (UNSPEC_MFHI, UNSPEC_MTHI, UNSPEC_SET_HILO): New.
519         (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): Renumber.
520         (HILO): New mode iterator.
521         (MOVE128): Add TI.
522         (any_div): New code iterator.
523         (u): Extend code attribute to div and udiv.
524         (*add<mode>3_mips16, *movdi_64bit_mips16, *movsi_mips16): Use
525         d_operand in the splitters.  Remove redundant CONST_INT checks.
526         (mulsi3_mult3, mul<mode>3_internal, mul<mode>3_r4000, *mul_acc_si)
527         (*macc, *msac, *msac_using_macc, *macc2, *msac2, *mul_sub_si)
528         (*muls): Remove "=h" clobbers.  Adjust peephole2s and define_splits
529         accordingly, using normal moves instead of unspecs to move LO into
530         a GPR.  Use d_operand and lo_operand instead of *_REG_P checks.
531         (<u>mulsidi3): Handle expansion in C code.
532         (<u>mulsidi3_32bit_internal): Rename to...
533         (<u>mulsidi3_32bit): ...this.
534         (<u>mulsidi3_32bit_r4000): Fix insn separator.
535         (*<u>mulsidi3_64bit): Rename to...
536         (<u>mulsidi3_64bit): ...this.  Combine DImode "=h" and "=l" clobbers
537         into a TImode "=x" clobber.  In the split, use an UNSPEC_SET_HILO
538         to set LO and HI to the multiplication result.  Use a normal move
539         for MFLO and an unspec for MFHI.
540         (*<u>mulsidi3_64bit_parts): Replace with...
541         (<u>mulsidi3_64bit_hilo): ...this new instruction.
542         (<su>mulsi3_highpart): Extend to TARGET_FIX_R4000.
543         (<su>mulsi3_highpart_internal): Turn into a define_insn_and_split
544         and extend it to TARGET_FIX_R4000.  Store the destination in a GPR
545         instead of HI.  Split the instruction into a separate multiplication
546         and MFHI if !TARGET_FIX_R4000.
547         (<su>muldi3_highpart): Likewise.
548         (<su>mulsi3_highpart_mulhi_internal): Remove the first alternative
549         and the "=h" clobber.
550         (*<su>mulsi3_highpart_neg_mulhi_internal): Likewise.
551         (<u>mulditi3): New expander.
552         (<u>mulditi3_internal, <u>mulditi3_r4000): New patterns.
553         (madsi): Remove "=h" clobber.
554         (divmod<mode>4, udivmod<mode>4): Turn into define_insn_and_splits.
555         Force the modulus result to be a GPR and split the instruction into
556         a division followed by an MFHI after reload.
557         (<u>divmod<GPR:mode>4_hilo_<HILO:mode>): New instruction.
558         (*lea_high64): Use d_operand in the define_peephole2.  Likewise
559         the MIPS16 HIGH define_split.
560         (*movdi_32bit, *movdi_gp32_fp64, *movdi_32bit_mips16): Change type
561         of acc<->gpr moves to "multi".
562         (*movdi_64bit): Replace the single "x" alternative with
563         alternatives for moving into and out of "a".
564         (*movhi_internal, *movqi_internal): Likewise.  Use mips_output_move.
565         (*movsi_internal): Extend the "d<-A" alternative to "d<-a".
566         (*movdi_64bit_mips16, *movsi_mips16): Add d<-a alternatives.
567         Use d_operand in the splitters.  Remove redundant CONST_INT checks.
568         (*movhi_mips16, *movqi_mips16): Likewise.  Use mips_output_move.
569         (movti): New expander.
570         (*movti, *movti_mips16): New insns.
571         (mfhilo_<mode>, *mfhilo_<mode>, *mfhilo_<mode>_macc): Delete.
572         (mfhi<GPR:mode>_<HILO:mode>): New pattern.
573         (mthi<GPR:mode>_<HILO:mode>): Likewise.
574         * config/mips/predicates.md (fpr_operand): Delete.
575         (d_operand): New predicate.
576
577 2008-06-09  Michael Meissner  <michael.meissner@amd.com>
578
579         * config.gcc (i[34567]86-*-*): Put test in quotes to prevent
580         failure on some Bourne shells.
581         (x86_64-*-*): Ditto.
582
583 2008-06-09  Kai Tietz  <kai.tietz@onevision.com>
584
585         * config/i386/cygming.h (TARGET_SUBTARGET64_DEFAULT): New.
586
587 2008-06-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
588
589         * doc/install.texi (*-*-solaris2*): Remove obsolete contents.
590         (sparc-sun-solaris2*): Likewise.
591
592 2008-06-09  Arnaud Charlet  <charlet@adacore.com
593
594         * doc/install.texi: Update requirements to build the Ada compiler.
595
596 2008-06-08  Steven Bosscher  <stevenb.gcc@gmail.com>
597
598         * df-scan.c (struct df_scan_problem_data): Remove the
599         mw_link_pool alloc pool.
600         (df_scan_free_internal): Don't free it.
601         (df_scan_alloc): Don't allocate it.
602         * df.h (struct df_link): Update comment.
603
604 2008-06-08  Nathan Sidwell  <nathan@codesourcery.com>
605
606         * except.h: Correct checks for when SJLJ exceptions must be used.
607
608 2008-06-08  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
609
610         * doc/invoke.texi (Wenum-compare): Mention that it is enabled by
611         default.
612         
613 2008-06-08  Joseph Myers  <joseph@codesourcery.com>
614
615         PR tree-optimization/36218
616         * configure.ac: Use LDFLAGS="${LDFLAGS_FOR_BUILD}" when running
617         configure for the build system.
618         (BUILD_LDFLAGS): Define.
619         * configure: Regenerate.
620         * Makefile.in (BUILD_LDFLAGS): Define to @BUILD_LDFLAGS@.
621
622 2008-07-08  Anatoly Sokolov  <aesok@post.ru>
623
624         PR target/36424
625         * config/avr/avr.h (HARD_REGNO_RENAME_OK): Define.
626         * config/avr/avr.c (avr_hard_regno_rename_ok): New function. 
627         * config/avr/avr-protos.h (avr_hard_regno_rename_ok): New prototype. 
628
629 2008-06-07  Danny Smith  <dannysmith@users.sourceforge.net>
630
631         * config/i386/cygming.h (MAYBE_UWIN_CPP_BUILTINS): Remove.
632
633 2008-06-07  Joseph Myers  <joseph@codesourcery.com>
634
635         * config.gcc (Obsolete configurations): Remove list of
636         configurations.
637         (Unsupported targets list): Add *-*-linux*aout*, *-*-linux*libc1*,
638         *-*-solaris2.[0-6], *-*-solaris2.[0-6].*, *-*-sysv*.  Remove other
639         targets matched by those patterns.
640         (strongarm*-*-*, ep9312*-*-*, xscale-*-*, parisc*-*-*,
641         m680[012]0-*-*, *-*-linux*libc1*, *-*-linux*aout*,
642         alpha*-*-unicosmk*, strongarm*-*-freebsd*, ep9312-*-elf,
643         arm*-*-kaos*, cris-*-aout, parisc*64*-*-linux*, parisc*-*-linux*,
644         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
645         i[34567]86-sequent-ptx4*, i[34567]86-sequent-sysv4*,
646         i[34567]86-*-beoself*, i[34567]86-*-beos*, i[34567]86-*-sco3.2v5*,
647         i[34567]86-*-sysv5*, i[34567]86-*-sysv4*, i[34567]86-*-uwin*,
648         i[34567]86-*-kaos*, m68020-*-elf*, m68010-*-netbsdelf*,
649         mips-wrs-windiss, mt-*-elf, powerpc-*-beos*, powerpc-*-chorusos*,
650         powerpc-wrs-windiss*, powerpcle-*-sysv*, powerpc-*-kaos*,
651         powerpcle-*-kaos*, sh*-*-kaos*, sparc-*-sysv4*, strongarm-*-elf*,
652         strongarm-*-pe, strongarm-*-kaos*, vax-*-bsd*, vax-*-sysv*,
653         vax-*-ultrix*, xscale-*-elf, xscale-*-coff,
654         i[34567]86-*-linux*aout*, i[34567]86-*-linux*libc1): Remove.
655         Make code for Solaris 7 and greater unconditional for Solaris.
656         (ep9312-*-*, parisc1*, m680[012]0-*-*, parisc*-*-*, mt-*-*):
657         Remove --with-* handling.
658         * config/rs6000/sysv4.h (-mwindiss): Remove from all specs.
659         (LIB_WINDISS_SPEC, CPP_OS_WINDISS_SPEC, STARTFILE_WINDISS_SPEC,
660         ENDFILE_WINDISS_SPEC, LINK_START_WINDISS_SPEC,
661         LINK_OS_WINDISS_SPEC): Remove.
662         * config/rs6000/sysv4.opt (mwindiss): Remove.
663         * configure.ac (strongarm*-*-*, xscale*-*-*): Remove.
664         * configure: Regenerate.
665         * doc/cpp.texi: Don't mention BeOS.
666         * doc/extend.texi (interrupt): Don't mention MS1.
667         * doc/install.texi: (i386-@var{any}-sysv, m68k-bull-sysv,
668         m68k-hp-hpux, m68000-hp-hpux, m68000-att-sysv,
669         alphaev5-cray-unicosmk*, xscale-*-*, i?86-*-linux*aout,
670         i?86-*-sco3.2v5*, i?86-*-udk, m68k-hp-hpux, powerpc-*-sysv4,
671         powerpc-*-sysv4, powerpcle-*-sysv4, *-*-sysv*, vax-dec-ultrix):
672         Remove.
673         * doc/invoke.texi (MT Options): Remove.
674         (-mwindiss): Remove.
675         (CRIS Options): Remove cris-axis-aout references.
676         (HPPA Options): Don't mention hppa1.1-*-pro.
677         * doc/md.texi: (MorphoTech family): Remove.
678         * libgcc2.c: Don't handle UWIN.
679         * config/alpha/t-unicosmk: Remove.
680         * config/alpha/unicosmk.h: Remove.
681         * config/arm/kaos-arm.h: Remove.
682         * config/arm/kaos-strongarm.h: Remove.
683         * config/arm/strongarm-coff.h: Remove.
684         * config/arm/strongarm-elf.h: Remove.
685         * config/arm/strongarm-pe.h: Remove.
686         * config/arm/t-strongarm-pe: Remove.
687         * config/arm/t-xscale-coff: Remove.
688         * config/arm/t-xscale-elf: Remove.
689         * config/arm/xscale-coff.h: Remove.
690         * config/arm/xscale-elf.h: Remove.
691         * config/chorus.h: Remove.
692         * config/cris/aout.h: Remove.
693         * config/cris/aout.opt: Remove.
694         * config/cris/t-aout: Remove.
695         * config/i386/beos-elf.h: Remove.
696         * config/i386/kaos-i386.h: Remove.
697         * config/i386/ptx4-i.h: Remove.
698         * config/i386/sco5.h: Remove.
699         * config/i386/sco5.opt: Remove.
700         * config/i386/sysv4-cpp.h: Remove.
701         * config/i386/sysv5.h: Remove.
702         * config/i386/t-beos: Remove.
703         * config/i386/t-sco5: Remove.
704         * config/i386/t-uwin: Remove.
705         * config/i386/uwin.asm: Remove.
706         * config/i386/uwin.h: Remove.
707         * config/kaos.h: Remove.
708         * config/mips/windiss.h: Remove.
709         * config/mt: Remove directory.
710         * config/pa/pa-osf.h: Remove.
711         * config/pa/pa-pro-end.h: Remove.
712         * config/pa/t-pro: Remove.
713         * config/ptx4.h: Remove.
714         * config/rs6000/beos.h: Remove.
715         * config/rs6000/kaos-ppc.h: Remove.
716         * config/rs6000/t-beos: Remove.
717         * config/rs6000/windiss.h: Remove.
718         * config/sh/kaos-sh.h: Remove.
719         * config/sol2-6.h: Remove.
720         * config/sparc/sol26-sld.h: Remove.
721         * config/sparc/sysv4-only.h: Remove.
722         * config/vax/bsd.h: Remove.
723         * config/vax/t-memfuncs: Remove.
724         * config/vax/ultrix.h: Remove.
725         * config/vax/vaxv.h: Remove.
726         * config/windiss.h: Remove.
727
728 2008-06-06 Uros Bizjak <ubizjak@gmail.com>
729
730         PR rtl-optimization/36438
731         * cse.c (fold_rtx) [ASHIFT, LSHIFTRT, ASHIFTRT]: Break out early
732         for vector shifts with constant scalar shift operands.
733
734 2008-06-06  Sandip Matte  <sandip@rmicorp.com>
735
736         * doc/invoke.texi: Document -march=xlr.
737         * config/mips/xlr.md: New file.
738         * config/mips/mips.md: Include it.
739         (cpu): Add "xlr".
740         * config/mips/mips.h (PROCESSOR_XLR): New processor_type.
741         * config/mips/mips.c (mips_cpu_info_table): Add an XLR entry.
742         (mips_rtx_cost_data): Likewise.
743
744 2008-06-06  Nathan Froyd  <froydnj@codesourcery.com>
745
746         * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Remove
747         PRE_INC and PRE_DEC cases.
748
749 2008-06-06  Jakub Jelinek  <jakub@redhat.com>
750
751         PR rtl-optimization/36419
752         * except.c (expand_resx_expr): Call do_pending_stack_adjust () before
753         the emitting jump insn.
754
755         PR target/36362
756         * gimplify.c (gimplify_expr) <case TRUTH_NOT_EXPR>: If *expr_p type
757         is not bool, boolify the whole *expr_p and convert to the desired type.
758
759 2008-06-06  Jakub Jelinek  <jakub@redhat.com>
760
761         * c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805.
762         * langhooks.h (struct lang_hooks_for_decls): Add omp_finish_clause.
763         Add omp_private_outer_ref hook, add another argument to
764         omp_clause_default_ctor hook.
765         * langhooks-def.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define.
766         (LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define.
767         (LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR): Change to
768         hook_tree_tree_tree_tree_null.
769         (LANG_HOOKS_DECLS): Add LANG_HOOKS_OMP_FINISH_CLAUSE and
770         LANG_HOOKS_OMP_PRIVATE_OUTER_REF.
771         * hooks.c (hook_tree_tree_tree_tree_null): New function.
772         * hooks.h (hook_tree_tree_tree_tree_null): New prototype.
773         * tree.def (OMP_TASK): New tree code.
774         * tree.h (OMP_TASK_COPYFN, OMP_TASK_ARG_SIZE, OMP_TASK_ARG_ALIGN,
775         OMP_CLAUSE_PRIVATE_OUTER_REF, OMP_CLAUSE_LASTPRIVATE_STMT,
776         OMP_CLAUSE_COLLAPSE_ITERVAR, OMP_CLAUSE_COLLAPSE_COUNT,
777         OMP_TASKREG_CHECK, OMP_TASKREG_BODY, OMP_TASKREG_CLAUSES,
778         OMP_TASKREG_FN, OMP_TASKREG_DATA_ARG, OMP_TASK_BODY,
779         OMP_TASK_CLAUSES, OMP_TASK_FN, OMP_TASK_DATA_ARG,
780         OMP_CLAUSE_COLLAPSE_EXPR): Define.
781         (enum omp_clause_default_kind): Add OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.
782         (OMP_DIRECTIVE_P): Add OMP_TASK.
783         (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): New clause codes.
784         (OMP_CLAUSE_SCHEDULE_AUTO): New schedule kind.
785         * tree.c (omp_clause_code_name): Add OMP_CLAUSE_COLLAPSE
786         and OMP_CLAUSE_UNTIED entries.
787         (omp_clause_num_ops): Likewise.  Increase OMP_CLAUSE_LASTPRIVATE
788         num_ops to 2.
789         (walk_tree_1): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
790         Walk OMP_CLAUSE_LASTPRIVATE_STMT.
791         * tree-pretty-print.c (dump_omp_clause): Handle
792         OMP_CLAUSE_SCHEDULE_AUTO, OMP_CLAUSE_UNTIED, OMP_CLAUSE_COLLAPSE,
793         OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.
794         (dump_generic_node): Handle OMP_TASK and collapsed OMP_FOR loops.
795         * c-omp.c (c_finish_omp_for): Allow pointer iterators.  Remove
796         warning about unsigned iterators.  Change decl/init/cond/incr
797         arguments to TREE_VECs, check arguments for all collapsed loops.
798         (c_finish_omp_taskwait): New function.
799         (c_split_parallel_clauses): Put OMP_CLAUSE_COLLAPSE clause to
800         ws_clauses.
801         * c-parser.c (c_parser_omp_for_loop): Parse collapsed loops.  Call
802         default_function_array_conversion on init.  Add par_clauses argument.
803         If decl is present in parallel's lastprivate clause, change it to
804         shared and add lastprivate clause for decl to OMP_FOR_CLAUSES.
805         Add clauses argument, on success set OMP_FOR_CLAUSES to it.  Look up
806         collapse count in clauses.
807         (c_parser_omp_for, c_parser_omp_parallel): Adjust
808         c_parser_omp_for_loop callers.
809         (OMP_FOR_CLAUSE_MASK): Add 1 << PRAGMA_OMP_CLAUSE_COLLAPSE.
810         (c_parser_pragma): Handle PRAGMA_OMP_TASKWAIT.
811         (c_parser_omp_clause_name): Handle collapse and untied clauses.
812         (c_parser_omp_clause_collapse, c_parser_omp_clause_untied): New
813         functions.
814         (c_parser_omp_clause_schedule): Handle schedule(auto).
815         Include correct location in the error message.
816         (c_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE
817         and PRAGMA_OMP_CLAUSE_UNTIED.
818         (OMP_TASK_CLAUSE_MASK): Define.
819         (c_parser_omp_task, c_parser_omp_taskwait): New functions.
820         (c_parser_omp_construct): Handle PRAGMA_OMP_TASK.
821         * tree-nested.c (convert_nonlocal_omp_clauses,
822         convert_local_omp_clauses): Handle OMP_CLAUSE_LASTPRIVATE_STMT,
823         OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE,
824         OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
825         Don't handle TREE_STATIC or DECL_EXTERNAL VAR_DECLs in
826         OMP_CLAUSE_DECL.
827         (conver_nonlocal_reference, convert_local_reference,
828         convert_call_expr): Handle OMP_TASK the same as OMP_PARALLEL.  Use
829         OMP_TASKREG_* macros rather than OMP_PARALLEL_*.
830         (walk_omp_for): Adjust for OMP_FOR_{INIT,COND,INCR} changes.
831         * tree-gimple.c (is_gimple_stmt): Handle OMP_TASK.
832         * c-tree.h (c_begin_omp_task, c_finish_omp_task): New prototypes.
833         * c-pragma.h (PRAGMA_OMP_TASK, PRAGMA_OMP_TASKWAIT): New.
834         (PRAGMA_OMP_CLAUSE_COLLAPSE, PRAGMA_OMP_CLAUSE_UNTIED): New.
835         * c-typeck.c (c_begin_omp_task, c_finish_omp_task): New functions.
836         (c_finish_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and
837         OMP_CLAUSE_UNTIED.
838         * c-pragma.c (init_pragma): Init omp task and omp taskwait pragmas.
839         * c-common.h (c_finish_omp_taskwait): New prototype.
840         * gimple-low.c (lower_stmt): Handle OMP_TASK.
841         * tree-parloops.c (create_parallel_loop): Create 1 entry
842         vectors for OMP_FOR_{INIT,COND,INCR}.
843         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
844         (make_edges): Handle OMP_TASK.
845         * tree-ssa-operands.c (get_expr_operands): Handle collapsed OMP_FOR
846         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
847         * tree-inline.c (estimate_num_insns_1): Handle OMP_TASK.
848         * builtin-types.def (BT_PTR_ULONGLONG, BT_PTR_FN_VOID_PTR_PTR,
849         BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR,
850         BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR,
851         BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR,
852         BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New.
853         * omp-builtins.def (BUILT_IN_GOMP_TASK, BUILT_IN_GOMP_TASKWAIT,
854         BUILT_IN_GOMP_LOOP_ULL_STATIC_START,
855         BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_START,
856         BUILT_IN_GOMP_LOOP_ULL_GUIDED_START,
857         BUILT_IN_GOMP_LOOP_ULL_RUNTIME_START,
858         BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_START,
859         BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_START,
860         BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_START,
861         BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_START,
862         BUILT_IN_GOMP_LOOP_ULL_STATIC_NEXT,
863         BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_NEXT,
864         BUILT_IN_GOMP_LOOP_ULL_GUIDED_NEXT,
865         BUILT_IN_GOMP_LOOP_ULL_RUNTIME_NEXT,
866         BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_NEXT,
867         BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_NEXT,
868         BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_NEXT,
869         BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_NEXT): New builtins.
870         * gimplify.c (gimplify_omp_for): Allow pointer type for decl,
871         handle POINTER_PLUS_EXPR.  If loop counter has been replaced and
872         original iterator is present in lastprivate clause or if
873         collapse > 1, set OMP_CLAUSE_LASTPRIVATE_STMT.  Handle collapsed
874         OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
875         (gimplify_expr): Handle OMP_SECTIONS_SWITCH and OMP_TASK.
876         (enum gimplify_omp_var_data): Add GOVD_PRIVATE_OUTER_REF.
877         (omp_notice_variable): Set GOVD_PRIVATE_OUTER_REF if needed,
878         if it is set, lookup var in outer contexts too.  Handle
879         OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.  Handle vars that are supposed
880         to be implicitly determined firstprivate for task regions.
881         (gimplify_scan_omp_clauses): Set GOVD_PRIVATE_OUTER_REF if needed,
882         if it is set, lookup var in outer contexts too.  Set
883         OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set.
884         Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE and
885         OMP_CLAUSE_UNTIED.  Take region_type as last argument
886         instead of in_parallel and in_combined_parallel.
887         (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
888         Adjust callers.
889         (gimplify_adjust_omp_clauses_1): Set OMP_CLAUSE_PRIVATE_OUTER_REF if
890         GOVD_PRIVATE_OUTER_REF is set.  Call omp_finish_clause langhook.
891         (new_omp_context): Set default_kind to
892         OMP_CLAUSE_DEFAULT_UNSPECIFIED for OMP_TASK regions.
893         (omp_region_type): New enum.
894         (struct gimplify_omp_ctx): Remove is_parallel and is_combined_parallel
895         fields, add region_type.
896         (new_omp_context): Take region_type as argument instead of is_parallel
897         and is_combined_parallel.
898         (gimple_add_tmp_var, omp_firstprivatize_variable, omp_notice_variable,
899         omp_is_private, omp_check_private): Adjust ctx->is_parallel and
900         ctx->is_combined_parallel checks.
901         (gimplify_omp_task): New function.
902         (gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and
903         OMP_CLAUSE_UNTIED.
904         * omp-low.c (extract_omp_for_data): Use schedule(static)
905         for schedule(auto).  Handle pointer and unsigned iterators.
906         Compute fd->iter_type.  Handle POINTER_PLUS_EXPR increments.
907         Add loops argument.  Extract data for collapsed OMP_FOR loops.
908         (expand_parallel_call): Assert sched_kind isn't auto,
909         map runtime schedule to index 3.
910         (struct omp_for_data_loop): New type.
911         (struct omp_for_data): Remove v, n1, n2, step, cond_code fields.
912         Add loop, loops, collapse and iter_type fields.
913         (workshare_safe_to_combine_p): Disallow combined for if
914         iter_type is unsigned long long.  Don't combine collapse > 1 loops
915         unless all bounds and steps are constant.  Adjust extract_omp_for_data
916         caller.
917         (expand_omp_for_generic): Handle pointer, unsigned and long long
918         iterators.  Handle collapsed OMP_FOR loops.  Adjust
919         for struct omp_for_data changes.  If libgomp function doesn't return
920         boolean_type_node, add comparison of the return value with 0.
921         (expand_omp_for_static_nochunk, expand_omp_for_static_chunk): Handle
922         pointer, unsigned and long long iterators.  Adjust for struct
923         omp_for_data changes.
924         (expand_omp_for): Assert sched_kind isn't auto, map runtime schedule
925         to index 3.  Use GOMP_loop_ull*{start,next} if iter_type is
926         unsigned long long.  Allocate loops array, pass it to
927         extract_omp_for_data.  For collapse > 1 loops use always
928         expand_omp_for_generic.
929         (omp_context): Add sfield_map and srecord_type fields.
930         (is_task_ctx, lookup_sfield): New functions.
931         (use_pointer_for_field): Use is_task_ctx helper.  Change first
932         argument's type from const_tree to tree.  Clarify comment.
933         In OMP_TASK disallow copy-in/out sharing.
934         (build_sender_ref): Call lookup_sfield instead of lookup_field.
935         (install_var_field): Add mask argument.  Populate both record_type
936         and srecord_type if needed.
937         (delete_omp_context): Destroy sfield_map, clear DECL_ABSTRACT_ORIGIN
938         in srecord_type.
939         (fixup_child_record_type): Also remap FIELD_DECL's DECL_SIZE{,_UNIT}
940         and DECL_FIELD_OFFSET.
941         (scan_sharing_clauses): Adjust install_var_field callers.  For
942         firstprivate clauses on explicit tasks allocate the var by value in
943         record_type unconditionally, rather than by reference.
944         Handle OMP_CLAUSE_PRIVATE_OUTER_REF.  Scan OMP_CLAUSE_LASTPRIVATE_STMT.
945         Use is_taskreg_ctx instead of is_parallel_ctx.
946         Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
947         (create_omp_child_function_name): Add task_copy argument, use
948         *_omp_cpyfn* names if it is true.
949         (create_omp_child_function): Add task_copy argument, if true create
950         *_omp_cpyfn* helper function.
951         (scan_omp_parallel): Adjust create_omp_child_function callers.
952         Rename parallel_nesting_level to taskreg_nesting_level.
953         (scan_omp_task): New function.
954         (lower_rec_input_clauses): Don't run constructors for firstprivate
955         explicit task vars which are initialized by *_omp_cpyfn*.  
956         Pass outer var ref to omp_clause_default_ctor hook if
957         OMP_CLAUSE_PRIVATE_OUTER_REF or OMP_CLAUSE_LASTPRIVATE.
958         Replace OMP_CLAUSE_REDUCTION_PLACEHOLDER decls in
959         OMP_CLAUSE_REDUCTION_INIT.
960         (lower_send_clauses): Clear DECL_ABSTRACT_ORIGIN if in task to
961         avoid duplicate setting of fields.  Handle
962         OMP_CLAUSE_PRIVATE_OUTER_REF.
963         (lower_send_shared_vars): Use srecord_type if non-NULL.  Don't
964         copy-out if TREE_READONLY, only copy-in.
965         (expand_task_copyfn): New function.
966         (expand_task_call): New function.
967         (struct omp_taskcopy_context): New type.
968         (task_copyfn_copy_decl, task_copyfn_remap_type, create_task_copyfn):
969         New functions.
970         (lower_omp_parallel): Rename to...
971         (lower_omp_taskreg): ... this.  Use OMP_TASKREG_* macros where needed.
972         Call create_task_copyfn if srecord_type is needed.  Adjust
973         sender_decl type.
974         (task_shared_vars): New variable.
975         (check_omp_nesting_restrictions): Warn if work-sharing,
976         barrier, master or ordered region is closely nested inside OMP_TASK.
977         Add warnings for barrier if closely nested inside of work-sharing,
978         ordered, or master region.
979         (scan_omp_1): Call check_omp_nesting_restrictions even for
980         GOMP_barrier calls.  Rename parallel_nesting_level to
981         taskreg_nesting_level.  Handle OMP_TASK.
982         (lower_lastprivate_clauses): Even if some lastprivate is found on a
983         work-sharing construct, continue looking for them on parent parallel
984         construct.
985         (lower_omp_for_lastprivate): Add lastprivate clauses
986         to the beginning of dlist rather than end.  Adjust for struct
987         omp_for_data changes.
988         (lower_omp_for): Add rec input clauses before OMP_FOR_PRE_BODY,
989         not after it.  Handle collapsed OMP_FOR loops, adjust for
990         OMP_FOR_{INIT,COND,INCR} changes, adjust extract_omp_for_data caller.
991         (get_ws_args_for): Adjust extract_omp_for_data caller.
992         (scan_omp_for): Handle collapsed OMP_FOR
993         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
994         (lower_omp_single_simple): If libgomp function doesn't return
995         boolean_type_node, add comparison of the return value with 0.
996         (diagnose_sb_1, diagnose_sb_2): Handle collapsed OMP_FOR
997         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.  Handle OMP_TASK.
998         (parallel_nesting_level): Rename to...
999         (taskreg_nesting_level): ... this.
1000         (is_taskreg_ctx): New function.
1001         (build_outer_var_ref, omp_copy_decl): Use is_taskreg_ctx instead
1002         of is_parallel_ctx.
1003         (execute_lower_omp): Rename parallel_nesting_level to
1004         taskreg_nesting_level.
1005         (expand_omp_parallel): Rename to...
1006         (expand_omp_taskreg): ... this.  Use OMP_TASKREG_* macros where needed.
1007         Call omp_task_call for OMP_TASK regions.
1008         (expand_omp): Adjust caller, handle OMP_TASK.
1009         (lower_omp_1): Adjust lower_omp_taskreg caller, handle OMP_TASK.
1010
1011         * bitmap.c (bitmap_default_obstack_depth): New variable.
1012         (bitmap_obstack_initialize, bitmap_obstack_release): Do nothing
1013         if argument is NULL and bitmap_default_obstack is already initialized.
1014         * ipa-struct-reorg.c (do_reorg_1): Call bitmap_obstack_release
1015         at the end.
1016         * matrix-reorg.c (matrix_reorg): Likewise.
1017
1018 2008-06-06  Uros Bizjak  <ubizjak@gmail.com>
1019
1020         * config/i386/i386.md (*indirect_jump): Macroize using P
1021         mode iterator.  Remove !TARGET_64BIT from insn constraints.
1022         (*tablejump_1): Ditto.
1023         (*indirect_jump_rex64): Remove insn pattern.
1024         (*tablejump_1_rex64): Ditto.
1025         (eh_return_<mode>): Macroize using P mode iterator from eh_return_di
1026         and eh_return_si insn patterns.
1027
1028 2008-06-06  Richard Guenther  <rguenther@suse.de>
1029
1030         * tree-ssa-structalias.c (merge_smts_into): Remove.
1031         (find_what_p_points_to): Do not bother to compute the
1032         points-to set for pt_anything pointers.
1033         * tree-ssa-operands.c (get_addr_dereference_operands): No NMT
1034         for pt_anything pointers is ok.
1035
1036 2008-06-06  Jan Hubicka  <jh@suse.cz>
1037
1038         * passes.c (execute_ipa_pass_list): Do not regenerate summaries.
1039
1040 2008-06-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1041
1042         * cgraph.c: Fix typos in comments.
1043         (cgraph_availability_names): Fix string typo.
1044         * fold-const.c: Fix typos in comments.
1045         (fold_binary): Fix typo in warning.
1046         * genautomata.c: Fix typos in comments.
1047         (check_presence_pattern_sets): Fix typo in local variable.
1048         (output_description): Fix typo in output.
1049         * ggc-zone.c (ggc_pch_finish): Fix typo in error message.
1050         * hwint.h: Likewise.
1051         * matrix-reorg.c (check_allocation_function): Likewise.
1052         * omega.c (smooth_weird_equations): Likewise.
1053         * auto-inc-dec.c: Fix typos in comments.
1054         * bb-reorder.c: Likewise.
1055         * builtins.c: Likewise.
1056         * c-common.c: Likewise.
1057         * c-cppbuiltin.c: Likewise.
1058         * c-parser.c: Likewise.
1059         * c-pretty-print.c: Likewise.
1060         * cfgcleanup.c: Likewise.
1061         * cfgexpand.c: Likewise.
1062         * cfghooks.c: Likewise.
1063         * cfglayout.c: Likewise.
1064         * cfgloopmanip.c: Likewise.
1065         * cgraphunit.c: Likewise.
1066         * coverage.c: Likewise.
1067         * dbxout.c: Likewise.
1068         * df-byte-scan.c: Likewise.
1069         * df-core.c: Likewise.
1070         * df-problems.c: Likewise.
1071         * df-scan.c: Likewise.
1072         * dfp.c: Likewise.
1073         * dominance.c: Likewise.
1074         * domwalk.c: Likewise.
1075         * dse.c: Likewise.
1076         * dwarf2out.c: Likewise.
1077         * emit-rtl.c: Likewise.
1078         * et-forest.c: Likewise.
1079         * function.c: Likewise.
1080         * function.h: Likewise.
1081         * gcc.c: Likewise.
1082         * gcov-io.c: Likewise.
1083         * gcov.c: Likewise.
1084         * gcse.c: Likewise.
1085         * genattrtab.c: Likewise.
1086         * ggc-page.c: Likewise.
1087         * gimplify.c: Likewise.
1088         * gthr-lynx.h: Likewise.
1089         * haifa-sched.c: Likewise.
1090         * ipa-cp.c: Likewise.
1091         * ipa-inline.c: Likewise.
1092         * ipa-prop.h: Likewise.
1093         * ipa-pure-const.c: Likewise.
1094         * ipa-struct-reorg.c: Likewise.
1095         * ipa-struct-reorg.h: Likewise.
1096         * ipa-type-escape.c: Likewise.
1097         * ipa.c: Likewise.
1098         * loop-doloop.c: Likewise.
1099         * mips-tfile.c: Likewise.
1100         * mkmap-flat.awk: Likewise.
1101         * mkmap-symver.awk: Likewise.
1102         * modulo-sched.c: Likewise.
1103         * omp-low.c: Likewise.
1104         * optabs.c: Likewise.
1105         * optabs.h: Likewise.
1106         * opts.c: Likewise.
1107         * passes.c: Likewise.
1108         * postreload-gcse.c: Likewise.
1109         * postreload.c: Likewise.
1110         * predict.c: Likewise.
1111         * pretty-print.h: Likewise.
1112         * profile.c: Likewise.
1113         * protoize.c: Likewise.
1114         * ra-conflict.c: Likewise.
1115         * real.c: Likewise.
1116         * recog.c: Likewise.
1117         * regclass.c: Likewise.
1118         * regs.h: Likewise.
1119         * reload.c: Likewise.
1120         * rtl-error.c: Likewise.
1121         * rtlanal.c: Likewise.
1122         * scan.h: Likewise.
1123         * sched-rgn.c: Likewise.
1124         * see.c: Likewise.
1125         * stmt.c: Likewise.
1126         * target.h: Likewise.
1127         * tree-dfa.c: Likewise.
1128         * tree-eh.c: Likewise.
1129         * tree-flow-inline.h: Likewise.
1130         * tree-inline.c: Likewise.
1131         * tree-into-ssa.c: Likewise.
1132         * tree-loop-distribution.c: Likewise.
1133         * tree-nested.c: Likewise.
1134         * tree-parloops.c: Likewise.
1135         * tree-pass.h: Likewise.
1136         * tree-pretty-print.c: Likewise.
1137         * tree-profile.c: Likewise.
1138         * tree-scalar-evolution.c: Likewise.
1139         * tree-sra.c: Likewise.
1140         * tree-ssa-alias-warnings.c: Likewise.
1141         * tree-ssa-ccp.c: Likewise.
1142         * tree-ssa-coalesce.c: Likewise.
1143         * tree-ssa-dom.c: Likewise.
1144         * tree-ssa-dse.c: Likewise.
1145         * tree-ssa-forwprop.c: Likewise.
1146         * tree-ssa-live.c: Likewise.
1147         * tree-ssa-live.h: Likewise.
1148         * tree-ssa-loop-im.c: Likewise.
1149         * tree-ssa-loop-ivopts.c: Likewise.
1150         * tree-ssa-loop-niter.c: Likewise.
1151         * tree-ssa-loop-prefetch.c: Likewise.
1152         * tree-ssa-phiopt.c: Likewise.
1153         * tree-ssa-phiprop.c: Likewise.
1154         * tree-ssa-sccvn.c: Likewise.
1155         * tree-ssa-ter.c: Likewise.
1156         * tree-ssa-threadupdate.c: Likewise.
1157         * tree-ssa.c: Likewise.
1158         * tree-vect-analyze.c: Likewise.
1159         * tree-vect-transform.c: Likewise.
1160         * tree-vectorizer.c: Likewise.
1161         * tree-vn.c: Likewise.
1162         * tree-vrp.c: Likewise.
1163         * tree.c: Likewise.
1164         * tree.def: Likewise.
1165         * tree.h: Likewise.
1166         * unwind-dw2-fde.c: Likewise.
1167         * unwind.inc: Likewise.
1168         * value-prof.c: Likewise.
1169         * vmsdbgout.c: Likewise.
1170
1171 2008-06-05  David Edelsohn  <edelsohn@gnu.org>
1172
1173         * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Do not
1174         always place FP constants in the TOC for TARGET_POWERPC64.
1175         * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Same.
1176
1177 2008-06-05  Joseph Myers  <joseph@codesourcery.com>
1178
1179         * config.gcc (powerpc-*-linux*spe*): Use t-dfprules.
1180         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): Do not
1181         enable for TARGET_E500_DOUBLE.
1182         (*movdd_softfloat32): Also enable for !TARGET_FPRS.
1183         * config/rs6000/rs6000.c (invalid_e500_subreg): Treat decimal
1184         floating-point modes like integer modes for E500 double.
1185         (rs6000_legitimate_offset_address_p): Likewise.
1186         (rs6000_legitimize_address): Likewise.  Do not allow REG+REG
1187         addressing for DDmode for E500 double.
1188         (rs6000_hard_regno_nregs): Do not treat decimal floating-point
1189         modes as using 64-bits of registers for E500 double.
1190         (spe_build_register_parallel): Do not handle DDmode or TDmode.
1191         (rs6000_spe_function_arg): Do not handle DDmode or TDmode
1192         specially for E500 double.
1193         (function_arg): Do not call rs6000_spe_function_arg for DDmode or
1194         TDmode for E500 double.
1195         (rs6000_gimplify_va_arg): Only handle SDmode in registers
1196         specially if TARGET_HARD_FLOAT && TARGET_FPRS.
1197         (rs6000_split_multireg_move): Do not handle TDmode specially for
1198         E500 double.
1199         (spe_func_has_64bit_regs_p): Do not treat DDmode or TDmode as
1200         using 64-bit registers for E500 double.
1201         (emit_frame_save): Do not handle DDmode specially for E500 double.
1202         (gen_frame_mem_offset): Likewise.
1203         (rs6000_function_value): Do not call spe_build_register_parallel
1204         for DDmode or TDmode.
1205         (rs6000_libcall_value): Likewise.
1206         * config/rs6000/rs6000.h (LOCAL_ALIGNMENT, MEMBER_TYPE_FORCES_BLK,
1207         DATA_ALIGNMENT, CLASS_MAX_NREGS): Do not handle DDmode specially
1208         for E500 double.
1209
1210 2008-06-04  H.J. Lu  <hongjiu.lu@intel.com>
1211
1212         * config/i386/i386.c (setup_incoming_varargs_64): Fix a typo
1213         in comments.
1214
1215 2008-06-04  Junjie Gu <jgu@tensilica.com>
1216
1217         * config/xtensa/lib2funcs.S (__xtensa_nonlocal_goto): Use unsigned
1218         comparison for frame pointers.
1219
1220 2008-06-04  Andy Hutchinson  <hutchinsonandy@aim.com>
1221
1222         PR target/27386
1223         * config/avr/avr.h (PUSH_ROUNDING): Remove.
1224
1225 2008-06-04  Andy Hutchinson  <hutchinsonandy@aim.com>
1226
1227         PR target/30243
1228         * builtins.c (expand_builtin_signbit): Don't take lowpart when
1229         register is already smaller or equal to required mode. 
1230
1231 2008-06-04  Xinliang David Li  <davidxl@google.com>
1232
1233         * tree-call-cdce.c: New file. 
1234         (cond_dead_built_in_calls): New static variable.
1235         (input_domain): New struct.
1236         (check_pow): New function.
1237         (check_builtin_call): Ditto.
1238         (check_target_format): Ditto.
1239         (is_call_dce_candidate): Ditto.
1240         (gen_one_condition): Ditto.
1241         (gen_conditions_for_domain): Ditto.
1242         (get_domain): Ditto.
1243         (gen_conditions_for_pow_cst_base): Ditto.
1244         (gen_conditions_for_pow_int_base): Ditto.
1245         (gen_conditions_for_pow): Ditto.
1246         (get_no_error_domain): Ditto.
1247         (gen_shrink_wrap_conditions): Ditto.
1248         (shrink_wrap_one_built_in_call): Ditto.
1249         (shink_wrap_conditional_dead_built_in_calls): Ditto.
1250         (tree_call_cdce): Ditto.
1251         (gate_call_cdce): Ditto.
1252         (pass_call_cdce): New gimple pass.
1253         * passes.c: (init_optimization_passes): New pass.
1254         * tree-pass.h: New pass declaration.
1255         * opts.c (decode_options): New flag setting.
1256         * common.opt: Add -ftree-builtin-call-dce flag.
1257         * Makefile.in: Add new source file.
1258         * tempvar.def: New tv_id.
1259         * doc/invoke.texi (-ftree-builtin-call-dce): New flag.
1260
1261 2008-06-04  Richard Guenther  <rguenther@suse.de>
1262
1263         * tree-flow-inline.h (is_global_var): Do not check TREE_STATIC on MTAGs.
1264         (is_call_clobbered): Always check var_ann->call_clobbered.
1265         (mark_call_clobbered): Always set var_ann->call_clobbered.
1266         (clear_call_clobbered): Always clear var_ann->call_clobbered.
1267         * tree-ssa-alias.c (mark_non_addressable): Use clear_call_clobbered.
1268         (reset_alias_info): Clear call clobbering info on MTAGs and
1269         globals as well.
1270         (set_pt_anything): Set pt_global_mem.
1271         (create_tag_raw): Adjust comment.
1272         (may_be_aliased): Do not check TREE_PUBLIC on MTAGs.
1273
1274 2008-06-04  Joseph Myers  <joseph@codesourcery.com>
1275             Maxim Kuvyrkov  <maxim@codesourcery.com>
1276
1277         * config/m68k/m68k.opt (mxgot): New option.
1278         * config/m68k/m68k.c (legitimize_pic_address): Handle -mxgot.
1279         (m68k_output_addr_const_extra): New.
1280         * config/m68k/m68k.h (OUTPUT_ADDR_CONST_EXTRA): New.
1281         * config/m68k/m68k-protos.h (m68k_output_addr_const_extra): Declare.
1282         * config/m68k/m68k.md (UNSPEC_GOTOFF): Define.
1283         * doc/invoke.texi (M680x0 Options): Document -mxgot.
1284
1285 2008-06-04  Richard Guenther  <rguenther@suse.de>
1286
1287         * tree-ssa-structalias.c (handle_ptr_arith): Correctly handle
1288         negative or non-representable offsets.
1289
1290 2008-06-03  H.J. Lu  <hongjiu.lu@intel.com>
1291
1292         * config/i386/i386.c (ix86_gen_leave): New.
1293         (ix86_gen_pop1): Likewise.
1294         (ix86_gen_add3): Likewise.
1295         (ix86_gen_sub3): Likewise.
1296         (ix86_gen_sub3_carry): Likewise.
1297         (ix86_gen_one_cmpl2): Likewise.
1298         (ix86_gen_monitor): Likewise.
1299         (override_options): Initialize ix86_gen_leave, ix86_gen_pop1,
1300         ix86_gen_add3, ix86_gen_sub3, ix86_gen_sub3_carry,
1301         ix86_gen_one_cmpl2 and ix86_gen_monitor.
1302         (ix86_file_end): Use mov%z0 instead of mov{q}/mov{l}.
1303         (output_set_got): Use mov%z0, pop%z0 and add%z0 instead of
1304         mov{q}/mov{l}, pop{q}/pop{l} and add{q}/add{l}.
1305         (ix86_expand_epilogue): Updated.
1306         (print_operand): Handle integer register operand for 'z'.
1307         (ix86_expand_strlensi_unroll_1): Likewise.
1308         (ix86_expand_strlen): Likewise.
1309         (ix86_expand_builtin): Likewise.
1310         (x86_output_mi_thunk): Use mov%z1 and add%z1 instead of
1311         mov{q}/mov{l} and add{q}/add{l}.
1312
1313 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
1314
1315         * config/i386/i386.md (P): New mode iterator.
1316         (SFmode push_operand splitter): Macroize DImode and SImode pushes
1317         using P mode iterator.
1318         (DFmode push_operand splitter): Ditto.
1319         (XFmode push_operand splitter): Ditto.
1320         (DFmode float_extend SFmode push_operand splitter): Ditto.
1321         (XFmode float_extend SFmode push_operand splitter): Do not generate
1322         SImode pushes for 64bit target.  Macroize Dimode and SImode
1323         pushes using P mode iterator.
1324         (XFmode float_extend DFmode push_operand splitter): Ditto.
1325
1326 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
1327
1328         * config/i386/i386-protos.h (ix86_reg_parm_stack_space): New.
1329         * config/i386/i386.h (ix86_reg_parm_stack_space): Removed prototype.
1330         * config/i386/i386.c (ix86_reg_parm_stack_space): Changed
1331         return type to int.
1332         (ix86_call_abi_override): Remove check for call_used_regs.
1333
1334 2008-06-03  Richard Guenther  <rguenther@suse.de>
1335
1336         * tree-ssa-structalias.c (find_func_aliases): Add constraints
1337         for the lhs of calls if the return type contains pointers.
1338
1339 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
1340
1341         * doc/tm.texi (OVERRIDE_ABI_FORMAT): New.
1342         * doc/extend.texi (ms_abi,sysv_abi): New attribute description.
1343         * function.c (allocate_struct_function): Use of OVERRIDE_ABI_FORMAT.
1344         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Make use
1345         of cfun and DEFAULT_ABI to deceide abi mode.
1346         (DEFAULT_ABI): New.
1347         (REG_PARM_STACK_SPACE): Removed.
1348         (OUTGOING_REG_PARM_STACK_SPACE): Removed.
1349         (STACK_BOUNDARY): Use default target to deceide stack boundary.
1350         * config/i386/i386-protos.h (ix86_cfun_abi): New.
1351         (ix86_function_abi): Likewise.
1352         (ix86_function_type_abi): Likewise.
1353         (ix86_call_abi_override): Likewise.
1354         * confid/i386/i386.md (SSE_REGPARM_MAX): Replaced by abi
1355         specific define X86_64_SSE_REGPARM_MAX/X64_SSE_REGPARM_MAX.
1356         * config/i386/i386.c (override_options): Replace TARGET_64BIT_MS_ABI.
1357         (X86_64_VARARGS_SIZE): Replace REGPARM_MAX and SSE_REGPARM_MAX by abi
1358         specific defines.
1359         (X86_64_REGPARM_MAX): New.
1360         (X86_64_SSE_REGPARM_MAX): New.
1361         (X64_REGPARM_MAX): New.
1362         (X64_SSE_REGPARM_MAX): New.
1363         (X86_32_REGPARM_MAX): New.
1364         (X86_32_SSE_REGPARM_MAX): New.
1365         (ix86_handle_cconv_attribute): Replace TARGET_64BIT_MS_ABI.
1366         (ix86_function_regparm): Handle user calling abi.
1367         (ix86_function_arg_regno_p): Replace TARGET_64BIT_MS_ABI
1368         by DEFAULT_ABI versus SYSV_ABI check.
1369         (ix86_reg_parm_stack_space): New.
1370         (ix86_function_type_abi): New.
1371         (ix86_call_abi_override): New.
1372         (ix86_function_abi): New.
1373         (ix86_cfun_abi): New.
1374         (init_cumulative_args): Call abi specific initialization.
1375         (function_arg_advance): Remove TARGET_64BIT_MS_ABI.
1376         (function_arg_64): Extend SSE_REGPARM_MAX check.
1377         (function_arg (): Remove TARGET_64BIT_MS_ABI.
1378         (ix86_pass_by_reference): Likewise.
1379         (ix86_function_value_regno_p): Likewise.
1380         (function_value_64): Replace REGPARM_MAX, and SSE_REGPARM_MAX.
1381         (ix86_function_value_1): Replace TARGET_64BIT_MS_ABI.
1382         (return_in_memory_ms_64): Replace TARGET_64BIT_MS_ABI.
1383         (ix86_build_builtin_va_list): Replace TARGET_64BIT_MS_ABI.
1384         (setup_incoming_varargs_64): Adjust regparm for call abi.
1385         (ix86_setup_incoming_varargs): Replace TARGET_64BIT_MS_ABI.
1386         (ix86_va_start): Likewise.
1387         (ix86_gimplify_va_arg): Likewise.
1388         (ix86_expand_prologue): Likewise.
1389         (output_pic_addr_const): Likewise.
1390         (ix86_init_machine_status): Initialize call_abi by DEFAULT_ABI.
1391         (x86_this_parameter): Replace TARGET_64BIT_MS_ABI.
1392         (x86_output_mi_thunk): Likewise.
1393         (x86_function_profiler): Likewise.
1394         * config/i386/i386.h (TARGET_64BIT_MS_ABI): Use ix64_cfun_abi.
1395         (SYSV_ABI, MS_ABI): New constants.
1396         (DEFAULT_ABI): New.
1397         (init_regs): Add prototype of function in regclass.c file.
1398         (OVERRIDE_ABI_FORMAT): New.
1399         (CONDITIONAL_REGISTER_USAGE): Remove TARGET_64BIT_MS_ABI part.
1400         (REG_PARM_STACK_SPACE): Use ix86_reg_parm_stack_space.
1401         (OUTGOING_REG_PARM_STACK_SPACE): New.
1402         (ix86_reg_parm_stack_space): New prototype.
1403         (CUMULATIVE_ARGS): Add call_abi member.
1404         (machine_function): Add call_abi member.
1405         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Replace
1406         TARGET_64BIT_MS_ABI by DEFAULT_ABI compare to MS_ABI.
1407
1408 2008-06-02  Andy Hutchinson  <hutchinsonandy@aim.com> 
1409
1410         PR target/34879
1411         * config/avr/avr.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Redefine.
1412         (avr_builtin_setjmp_frame_value): New function.
1413         * config/avr/avr.md (nonlocal_goto_receiver): Define.
1414         (nonlocal_goto): Define.
1415
1416 2008-06-02  Richard Sandiford  <rdsandiford@googlemail.com>
1417
1418         * config/mips/mips.c (mips_emit_loadgp): Return early if
1419         there is nothing do to, otherwise emit a blockage if
1420         !TARGET_EXPLICIT_RELOCS || crtl->profile.
1421         * config/mips/mips.md (loadgp_blockage): Use SI rather than DI.
1422
1423 2008-06-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1424
1425         * configure.ac: Drop unneeded backslash ending up in config.in.
1426         * acinclude.m4: Likewise.
1427         * config.in: Regenerate.
1428
1429 2008-05-26  Jan Hubicka  <jh@suse.cz>
1430
1431         * predict.c (maybe_hot_frequency_p): Break out of...
1432         (maybe_hot_bb_p): ... here.
1433         (maybe_hot_edge_p): New.
1434         * tree-ssa-coalesce.c (coalesce_cost_edge): Compute cost based on edge.
1435         * basic-block.h (maybe_hot_edge_p): Declare.
1436
1437 2008-05-31  Uros Bizjak  <ubizjak@gmail.com>
1438
1439         * config/i386/i386.md (*cmpfp_<mode>): Enable for optimize_size.
1440         (*cmpfp_<mode>_cc): Ditto.
1441         (*fp_jcc_8<mode>_387): Ditto.
1442         (*fop_<MODEF:mode>_2_i387): Ditto.
1443         (*fop_<MODEF:mode>_3_i387): Ditto.
1444         (*fop_xf_2_i387): Ditto.
1445         (*fop_xf_3_i387): Ditto.
1446
1447 2008-06-02  Tomas Bily  <tbily@suse.cz>
1448
1449         * tree-ssa-ifcombine.c (get_name_for_bit_test): Use CONVERT_EXPR_P.
1450
1451 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
1452
1453         * config/mips/mips.c (mips_valid_offset_p): New function.
1454         (mips_valid_lo_sum_p): Likewise.
1455         (mips_classify_address): Use them.
1456         (mips_force_address): New function.
1457         (mips_legitimize_address): Use it.
1458         * config/mips/mips.md (MOVE128): New mode iterator.
1459         (movtf): Require TARGET_64BIT.  Remove empty strings.
1460         (*movtf_internal): Rename to...
1461         (*movtf): ...this and require !TARGET_MIPS16.  Use "m" instead
1462         of "R" and use {,fp}{load,store} attributes instead of "multi".
1463         Use a separate define_split.
1464         (*movtf_mips16): New pattern.
1465
1466 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
1467
1468         * config/mips/mips-protos.h (mips_expand_before_return): Declare.
1469         * config/mips/mips.c (mips_expand_before_return): New function.
1470         (mips_expand_epilogue): Call it.
1471         * config/mips/mips.md (return): Turn into a define_expand.
1472         (*return): New insn.
1473
1474 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
1475
1476         * rtl.h (emit_clobber, gen_clobber, emit_use, gen_use): Declare.
1477         * emit-rtl.c (emit_clobber, gen_clobber, emit_use, gen_use): New
1478         functions.  Do not emit uses and clobbers of CONCATs; individually
1479         use and clobber their operands.
1480         * builtins.c (expand_builtin_setjmp_receiver): Use emit_clobber,
1481         gen_clobber, emit_use and gen_use.
1482         (expand_builtin_longjmp, expand_builtin_nonlocal_goto): Likewise.
1483         (expand_builtin_return): Likewise.
1484         * cfgbuild.c (count_basic_blocks): Likewise.
1485         * cfgrtl.c (rtl_flow_call_edges_add): Likewise.
1486         * explow.c (emit_stack_restore): Likewise.
1487         * expmed.c (extract_bit_field_1): Likewise.
1488         * expr.c (convert_move, emit_move_complex_parts): Likewise.
1489         (emit_move_multi_word, store_constructor): Likewise.
1490         * function.c (do_clobber_return_reg, do_use_return_reg): Likewise.
1491         (thread_prologue_and_epilogue_insns): Likewise.
1492         * lower-subreg.c (resolve_simple_move): Likewise.
1493         * optabs.c (widen_operand, expand_binop): Likewise.
1494         (expand_doubleword_bswap, emit_no_conflict_block): Likewise.
1495         * reload.c (find_reloads): Likewise.
1496         * reload1.c (eliminate_regs_in_insn): Likewise.
1497         * stmt.c (expand_nl_goto_receiver): Likewise.
1498         * config/alpha/alpha.md (builtin_longjmp): Likewise.
1499         * config/arc/arc.md (*movdi_insn, *movdf_insn): Likewise.
1500         * config/arm/arm.c (arm_load_pic_register): Likewise.
1501         (thumb1_expand_epilogue, thumb_set_return_address): Likewise.
1502         * config/arm/arm.md (untyped_return): Likewise.
1503         * config/arm/linux-elf.h (PROFILE_HOOK): Likewise.
1504         * config/avr/avr.c (expand_prologue): Likewise.
1505         * config/bfin/bfin.c (do_unlink): Likewise.
1506         * config/bfin/bfin.md (<optab>di3, adddi3, subdi3): Likewise.
1507         * config/cris/cris.c (cris_expand_prologue): Likewise.
1508         * config/darwin.c (machopic_indirect_data_reference): Likewise.
1509         (machopic_legitimize_pic_address): Likewise.
1510         * config/frv/frv.c (frv_frame_access, frv_expand_epilogue): Likewise.
1511         (frv_ifcvt_modify_insn, frv_expand_mdpackh_builtin): Likewise.
1512         * config/i386/i386.c (ix86_expand_vector_move_misalign): Likewise.
1513         (ix86_expand_convert_uns_didf_sse): Likewise.
1514         (ix86_expand_vector_init_general): Likewise.
1515         * config/ia64/ia64.md (eh_epilogue): Likewise.
1516         * config/iq2000/iq2000.c (iq2000_expand_epilogue): Likewise.
1517         * config/m32c/m32c.c (m32c_emit_eh_epilogue): Likewise.
1518         * config/m32r/m32r.c (m32r_reload_lr): Likewise.
1519         (config/iq2000/iq2000.c): Likewise.
1520         * config/mips/mips.md (fixuns_truncdfsi2): Likewise.
1521         (fixuns_truncdfdi2, fixuns_truncsfsi2, fixuns_truncsfdi2): Likewise.
1522         (builtin_longjmp): Likewise.
1523         * config/mn10300/mn10300.md (call, call_value): Likewise.
1524         * config/pa/pa.md (nonlocal_goto, nonlocal_longjmp): Likewise.
1525         * config/pdp11/pdp11.md (abshi2): Likewise.
1526         * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
1527         * config/s390/s390.c (s390_emit_prologue): Likewise.
1528         * config/s390/s390.md (movmem_long, setmem_long): Likewise.
1529         (cmpmem_long, extendsidi2, zero_extendsidi2, udivmoddi4): Likewise.
1530         (builtin_setjmp_receiver, restore_stack_nonlocal): Likewise.
1531         * config/sh/sh.c (prepare_move_operands): Likewise.
1532         (output_stack_adjust, sh_expand_epilogue): Likewise.
1533         (sh_set_return_address, sh_expand_t_scc): Likewise.
1534         * config/sparc/sparc.c (load_pic_register): Likewise.
1535         * config/sparc/sparc.md (untyped_return, nonlocal_goto): Likewise.
1536         * config/spu/spu.c (spu_expand_epilogue): Likewise.
1537         * config/v850/v850.c (expand_epilogue): Likewise.
1538
1539 2008-05-31  Anatoly Sokolov  <aesok@post.ru>
1540
1541         * config/avr/avr.md (UNSPECV_WRITE_SP_IRQ_ON): New constants.
1542         (UNSPECV_WRITE_SP_IRQ_OFF): (Ditto.).
1543         (movhi_sp_r_irq_off, movhi_sp_r_irq_on): New insn.
1544         * config/avr/avr.c (expand_prologue, expand_epilogue): Use 
1545         movhi_sp_r_irq_off and movhi_sp_r_irq_on insns for writing to the 
1546         stack pointer register.
1547         (output_movhi): Remove code for interrupt specific writing to the 
1548         stack pointer register.
1549
1550 2008-05-31  Richard Guenther  <rguenther@suse.de>
1551
1552         PR tree-optimization/34244
1553         * fold-const.c (tree_expr_nonnegative_warnv_p): Do not ask VRP.
1554         (tree_expr_nonzero_warnv_p): Likewise.
1555         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
1556         ssa_name_nonnegative_p.
1557         (vrp_expr_computes_nonzero): Call ssa_name_nonzero_p.
1558         (extract_range_from_unary_expr): Use vrp_expr_computes_nonzero,
1559         not tree_expr_nonzero_warnv_p.
1560
1561         PR tree-optimization/36262
1562         Revert
1563         2007-11-29  Zdenek Dvorak  <ook@ucw.cz>
1564
1565         PR tree-optimization/34244
1566         * tree-vrp.c (adjust_range_with_scev): Clear scev cache.
1567         (record_numbers_of_iterations): New function.
1568         (execute_vrp): Cache the numbers of iterations of loops.
1569         * tree-scalar-evolution.c (scev_reset_except_niters):
1570         New function.
1571         (scev_reset): Use scev_reset_except_niters.
1572         * tree-scalar-evolution.h (scev_reset_except_niters): Declare.
1573
1574 2008-05-31  Bernd Schmidt  <bernd.schmidt@analog.com>
1575
1576         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
1577         __WORKAROUND_RETS when appropriate.
1578
1579 2008-05-31  Uros Bizjak  <ubizjak@gmail.com>
1580
1581         * config/i386/i386.md (*fop_<mode>_comm_mixed): Macroize from
1582         *fop_sf_comm_mixed and *fop_df_comm_mixed insn patterns using MODEF
1583         mode iterator.
1584         (*fop_<mode>_comm_sse): Macroize from *fop_sf_comm_sse and
1585         *fop_df_comm_sse insn patterns using MODEF mode iterator.
1586         (*fop_<mode>_comm_i387): Macroize from *fop_sf_comm_i387 and
1587         *fop_df_comm_i387 insn patterns using MODEF mode iterator.
1588         (*fop_<mode>_1_mixed): Macroize from *fop_sf_1_mixed and
1589         *fop_df_1_mixed insn patterns using MODEF mode iterator.
1590         (*fop_<mode>_1_sse): Macroize from *fop_sf_1_sse and
1591         *fop_df_1_sse insn patterns using MODEF mode iterator.
1592         (*fop_<mode>_1_i387): Macroize from *fop_sf_1_i387 and
1593         *fop_df_1_i387 insn patterns using MODEF mode iterator.
1594         (*fop_<MODEF:mode>_2_i387): Macroize from *fop_sf_2<mode>_i387 and
1595         *fop_df_2<mode>_i387 insn patterns using MODEF mode iterator.
1596         (*fop_<MODEF:mode>_3_i387): Macroize from *fop_sf_3<mode>_i387 and
1597         *fop_df_3<mode>_i387 insn patterns using MODEF mode iterator.
1598         (*fop_xf_2_i387): Rename from *fop_xf_2<mode>_i387.
1599         (*fop_xf_3_i387): Rename from *fop_xf_3<mode>_i387.
1600         (*fop_xf_4_i387): Use <MODE> for mode attribute.
1601         (*fop_xf_5_i387): Ditto.
1602         (*fop_xf_6_i387): Ditto.
1603
1604 2008-05-30  Richard Guenther  <rguenther@suse.de>
1605
1606         * builtins.c (build_string_literal): Avoid generating
1607         a non-gimple_val result.
1608
1609 2008-05-30  DJ Delorie  <dj@redhat.com>
1610
1611         * exec-tool.in: Use an environment variable (private) instead of a
1612         file (shared) as a semaphore, so as to not break parallel builds.
1613
1614 2008-05-30  Steven Bosscher  <stevenb.gcc@gmail.com>
1615
1616         * optabs.c (maybe_encapsulate_block): Remove.
1617         (emit_libcall_block): Adjust accordingly.
1618         * optabs.h (maybe_encapsulate_block): Remove prototype.
1619
1620         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address):
1621         Don't use maybe_encapsulate_block.
1622
1623 2008-05-30  Steven Bosscher  <stevenb.gcc@gmail.com>
1624
1625         * config/rs6000/rs6000.c (rs6000_legitimize_address,
1626         rs6000_legitimize_reload_address, rs6000_emit_move): Make sure an
1627         rtx is a SYMBOL_REF before calling get_pool_constant.
1628
1629 2008-05-30  Eric Botcazou  <ebotcazou@adacore.com>
1630
1631         * fold-const.c (fold_unary) <CASE_CONVERT>: Add ??? comment.
1632
1633 2008-05-30  Danny Smith  <dannysmith@users.sourceforge.net>
1634
1635         * incpath.c: Use HOST_LACKS_INODE_NUMBERS conditional
1636         rather than OS names to choose INO_T_EQ definition.
1637         (DIRS_EQ) [!INO_T_EQ]: Don't worry about case in comparison.
1638         (add_path) [!INO_T_EQ]: Use lrealpath to fill canonical_name field.
1639
1640 2008-05-29  Daniel Franke  <franke.daniel@gmail.com>
1641
1642         PR target/36348
1643         * config/darwin-f.c: New.
1644         * config/t-darwin: Added rule to build darwin-f.o.
1645         * config.gcc: Defined new variable, fortran_target_objs.
1646         (*-*-darwin*): Set fortran_target_objs.
1647         * Makefile.in: Defined new variable FORTRAN_TARGET_OBJS.
1648         * configure.ac: Substitute fortran_target_objs, set FORTRAN_TARGET_OBJS.
1649         * configure: Regenerated.
1650
1651 2008-05-29  H.J. Lu  <hongjiu.lu@intel.com>
1652
1653         PR target/35771
1654         * config/i386/i386.c (ix86_function_arg_boundary): Convert to
1655         canonical type if needed.
1656
1657 2008-05-29  Eric Botcazou  <ebotcazou@adacore.com>
1658
1659         * tree-nested.c (check_for_nested_with_variably_modified): Fix typo.
1660
1661 2008-05-29  Richard Guenther  <rguenther@suse.de>
1662
1663         PR tree-optimization/36343
1664         PR tree-optimization/36346
1665         PR tree-optimization/36347
1666         * tree-flow.h (clobber_what_p_points_to): Declare.
1667         * tree-ssa-structalias.c (set_uids_in_ptset): Whether the
1668         pointed-to variable is dereferenced is irrelevant to whether
1669         the pointer can access the pointed-to variable.
1670         (clobber_what_p_points_to): New function.
1671         * tree-ssa-alias.c (set_initial_properties): Use it.
1672         * tree-ssa.c (verify_flow_sensitive_alias_info): Adjust
1673         call clobber check for NMTs.
1674
1675 2008-05-28  Seongbae Park  <seongbae.park@gmail.com>
1676         
1677         * value-prof.c (tree_ic_transform): Use HOST_WIDEST_INT_PRINT_DEC
1678         for printing gcov_type.
1679
1680 2008-05-28  Seongbae Park  <seongbae.park@gmail.com>
1681
1682         * tree-ssa-propagate.c (set_rhs): Preserve the histogram
1683         and the eh region information.
1684         * value-prof.c (gimple_move_stmt_histograms): New function.
1685         * value-prof.h (gimple_move_stmt_histograms): New function declaration.
1686
1687 2008-05-28  Andreas Tobler  <a.tobler@schweiz.org>
1688
1689         * config/pa/pa.md: Remove extern frame_pointer_needed declaration.
1690
1691 2008-05-28  Seongbae Park <seongbae.park@gmail.com>
1692
1693         * value-prof.c (tree_ic_transform): Print counts.
1694         * tree-profile.c (tree_gen_ic_func_profiler):
1695         Clear __gcov_indreict_call_callee variable to avoid misattribution
1696         of the profile.
1697
1698 2008-05-28  Rafael Espindola  <espindola@google.com>
1699
1700         * see.c (see_def_extension_not_merged): Use copy_rtx_if_shared to avoid
1701         invalid sharing.
1702
1703 2008-05-28  Richard Guenther  <rguenther@suse.de>
1704
1705         PR tree-optimization/36339
1706         * tree-ssa-alias.c (set_initial_properties): Move pt_anything
1707         and clobbering code out of the loop.
1708
1709 2008-05-28  Andreas Krebbel  <krebbel1@de.ibm.com>
1710
1711         * config/s390/constraints.md ('b', 'C', 'D', 'e'): New constraint
1712         letters defined.
1713
1714         * config/s390/s390.c (s390_compare_and_branch_condition_mask,
1715         s390_contiguous_bitmask_p, s390_symref_operand_p,
1716         s390_check_symref_alignment, s390_reload_larl_operand,
1717         s390_reload_symref_address): New functions.
1718         (s390_branch_condition_mnemonic): Support compare and branch
1719         instructions.
1720         (s390_mem_constraint): Avoid symrefs to accepted by the 'T'
1721         and 'W' constraints.
1722         (s390_secondary_reload): Add secondary reloads for unaligned
1723         symbol refs or symbol refs to floating point or QI/TI mode
1724         integer values.
1725         (legitimate_address_p): Accept symbol references as addresses.
1726         (s390_expand_insv): Use rotate and insert selected bits
1727         instruction for insv when building for z10.
1728         (print_operand_address): Handle symbol ref addresses.
1729         (print_operand): Output modifier 'c' added for signed byte values.
1730         (s390_encode_section_info): Mark symbol refs with
1731         SYMBOL_FLAG_NOT_NATURALLY_ALIGNED if appropriate.
1732
1733         * config/s390/s390.md (SIL,RRS,RIS): New instruction formats added.
1734         (length attribute): RRF, RRR have 4 byte length.
1735         (FPALL, INTALL): New mode iterators added.
1736         (*tstdi_sign, *cmpdi_ccs_sign, *cmpsi_ccs_sign,
1737         *cmp<mode>_ccs, *cmpdi_ccu_zero, *cmpdi_ccu, *cmpsi_ccu, *cmphi_ccu,
1738         *movdi_64, *movsi_zarch, *movhi, movmem<mode>, *movmem_short,
1739         *extendsidi2, *extendhidi2_extimm, *extendhisi2_extimm,
1740         *zero_extendsidi2, adddi3, *adddi3_31z, *adddi3_31, addsi3,
1741         *add<mode>3, *add<mode>3_carry1_cc, *add<mode>3_carry2_cc,
1742         *add<mode>3_cc, *add<mode>3_imm_cc, *muldi3_sign, muldi3,
1743         *mulsi3_sign, mulsi3, mulsidi3): Patterns enhanced with z10
1744         instructions.
1745         (*cmphi_ccs_z10, *cmpdi_ccs_signhi_rl, *cmpsi_ccu_zerohi_rlsi,
1746         *cmp<GPR:mode>_ccu_zerohi_rldi, *cmp_and_br_signed_<mode>,
1747         *cmp_and_br_unsigned_<mode>, reload<INTALL:mode><P:mode>_tomem_z10,
1748         reload<INTALL:mode><P:mode>_toreg_z10,
1749         reload<FPALL:mode><P:mode>_tomem_z10,
1750         reload<FPALL:mode><P:mode>_toreg_z10,
1751         reload<P:mode>_larl_odd_addend_z10, *execute_rl, *insv<mode>_z10,
1752         *insv<mode>_z10_noshift, *insv<mode>_or_z10_noshift,
1753         *zero_extendhi<mode>2_z10, *cmp_and_trap_signed_int<mode>,
1754         *cmp_and_trap_unsigned_int<mode>, prefetch): New pattern or expander
1755         definition.
1756         (movmem, clrmem, cmpmem): New splitters added.
1757
1758         * config/s390/predicates.md (larl_operand): Use
1759         SYMBOL_REF_FLAGS (op) & SYMBOL_FLAG_ALIGN1 replaced with
1760         SYMBOL_REF_ALIGN1_P.
1761         (s390_signed_integer_comparison,
1762         s390_unsigned_integer_comparison): New predicates.
1763
1764         * config/s390/s390-protos.h (s390_check_symref_alignment,
1765         s390_contiguous_bitmask_p, s390_reload_larl_operand,
1766         s390_reload_symref_address,
1767         s390_compare_and_branch_condition_mask): Prototypes added.
1768
1769         * config/s390/s390.h (TARGET_MEM_CONSTRAINT,
1770         SYMBOL_REF_ALIGN1_P, SYMBOL_FLAG_NOT_NATURALLY_ALIGNED,
1771         SYMBOL_REF_NOT_NATURALLY_ALIGNED_P): Macro definition added.
1772
1773 2008-05-28  Andreas Krebbel  <krebbel1@de.ibm.com>
1774
1775         * config/s390/s390.c (z10_cost): New cost function for z10.
1776         (s390_handle_arch_option, override_options): Support -march=z10 switch.
1777         (s390_issue_rate): Adjust issue rate for z10.
1778         * config/s390/s390.h (processor_type): Add PROCESSOR_2097_Z10.
1779         (processor_flags): Add PF_Z10.
1780         (TARGET_CPU_Z10, TARGET_Z10): New macro definitions.
1781         * config/s390/s390.md (cpu, cpu_facility attributes): Add z10.
1782         * gcc/config.gcc: Add z10.
1783
1784 2008-05-28  Richard Guenther  <rguenther@suse.de>
1785
1786         PR tree-optimization/36291
1787         * tree-flow. h (struct gimple_df): Remove var_anns member.
1788         * tree-flow-inline.h (gimple_var_anns): Remove.
1789         (var_ann): Simplify.
1790         * tree-dfa.c (create_var_ann): Simplify.
1791         (remove_referenced_var): Clear alias info from var_anns of globals.
1792         * tree-ssa.c (init_tree_ssa): Do not allocate var_anns.
1793         (delete_tree_ssa): Clear alias info from var_anns of globals.
1794         Do not free var_anns.
1795         (var_ann_eq): Remove.
1796         (var_ann_hash): Likewise.
1797
1798 2008-05-28  Mark Shinwell  <shinwell@codesourcery.com>
1799
1800         * config/mips/mips.c (mips_cpu_info_table): Add loongson2e
1801         and loongson2f entries.
1802         (mips_rtx_cost_data): Add entries for Loongson-2E/2F.
1803         * config/mips/mips.h (processor_type): Add Loongson-2E
1804         and Loongson-2F entries.
1805         (TARGET_LOONGSON_2E, TARGET_LOONGSON_2F, TARGET_LOONGSON_2EF): New.
1806         (MIPS_ISA_LEVEL_SPEC): Handle Loongson-2E/2F.
1807         * config/mips/mips.md (define_attr cpu): Add loongson2e and loongson2f.
1808         * doc/invoke.texi (MIPS Options): Document loongson2e
1809         and loongson2f processor names.
1810
1811 2008-05-27  H.J. Lu  <hongjiu.lu@intel.com>
1812
1813         PR target/35767
1814         PR target/35771
1815         * config/i386/i386.c (ix86_function_arg_boundary): Use
1816         alignment of canonical type.
1817         (ix86_expand_vector_move): Check unaligned memory access for
1818         all SSE modes.
1819
1820 2008-05-27  H.J. Lu  <hongjiu.lu@intel.com>
1821
1822         * dwarf2out.c (current_fde): Change return type to dw_fde_ref.
1823         Moved to the front of file.
1824
1825 2008-05-27  Xuepeng Guo  <xuepeng.guo@intel.com>
1826             H.J. Lu  <hongjiu.lu@intel.com>
1827
1828         * dwarf2out.c (current_fde): New.
1829         (add_cfi): Use it.
1830         (lookup_cfa:): Likewise.
1831         (dwarf2out_end_epilogue): Likewise.
1832         (dwarf2out_note_section_used): Likewise.
1833
1834 2008-05-27  Michael Matz  <matz@suse.de>
1835
1836         PR c++/27975
1837         * c.opt (Wenum-compare): New warning option.
1838         * doc/invoke.texi  (Warning Options): Document -Wenum-compare.
1839
1840 2008-05-27  Michael Matz  <matz@suse.de>
1841
1842         PR middle-end/36326
1843         * tree-gimple.c (is_gimple_mem_rhs): Remove work-around for
1844         non-BLKmode types.
1845         * tree-tailcall.c (find_tail_calls): Don't mark calls storing
1846         into memory as tail calls.
1847
1848 2008-05-27  Richard Guenther  <rguenther@suse.de>
1849
1850         PR tree-optimization/36339
1851         * tree-ssa-alias.c (set_initial_properties): Escaped pt_anything
1852         pointers cause all addressable variables to be call clobbered.
1853
1854 2008-05-27  Richard Guenther  <rguenther@suse.de>
1855
1856         PR tree-optimization/36245
1857         * tree-ssa-address.c (add_to_parts): Deal with non-pointer bases.
1858
1859 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
1860
1861         * config/s390/s390.md: Replace all occurences of the 'm'
1862         constraint with 'RT'.
1863
1864 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
1865
1866         * config/s390/s390.md ("cpu_facility", "enabled"): Attribute
1867         definitions added.
1868         ("*movdi_64dfp", "*movdi_64extimm", "*movdi_64"): Merged into
1869         "*movdi_64".
1870         ("*anddi3_extimm", "*anddi3"): Merged into "*anddi3".
1871         ("*iordi3_extimm", "*iordi3"): Merged into "*iordi3".
1872         ("*xordi3_extimm", "*xordi3"): Merged into "*xordi3".
1873
1874 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
1875
1876         * reload.c: (find_reloads): Skip alternatives according to the
1877         "enabled" attribute. Constify the constraint variable.
1878         * recog.c (get_attr_enabled): Add default implementation.
1879         (extract_insn): Set the alternative_enabled_p array
1880         in the recog_data struct.
1881         (preprocess_constraints, constrain_operands): Skip
1882         alternatives according to the "enabled" attribute
1883         * recog.h (struct recog_data): New field alternative_enabled_p.
1884         (skip_alternative): New inline function.
1885         * regclass.c: (record_operand_costs): Check the "enabled" attribute.
1886         (record_reg_classes): Skip alternative according to the
1887         "enabled" attribute.
1888
1889         * doc/md.texi: Add documention for the "enabled" attribute.
1890
1891 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
1892
1893         * defaults.h (TARGET_MEM_CONSTRAINT): New target macro added.
1894         * postreload.c (reload_cse_simplify_operands): Replace 'm'
1895         constraint with TARGET_MEM_CONSTRAINT.
1896         * recog.c (asm_operand_ok, preprocess_constraints,
1897         constrain_operands): Likewise.
1898         * regclass.c (record_reg_classes): Likewise.
1899         * reload.c (find_reloads, alternative_allows_const_pool_ref): Likewise.
1900         * reload1.c (maybe_fix_stack_asms): Likewise.
1901         * stmt.c (parse_output_constraint, parse_input_constraint): Likewise.
1902         * recog.h: Adjust comment.
1903         * genpreds.c (generic_constraint_letters): Remove 'm' constraint.
1904         * genoutput.c (note_constraint): Don't emit error for 'm' constraint.
1905         * doc/md.texi: Add a note to description of 'm' constraint.
1906         * doc/tm.texi: Document the new TARGET_MEM_CONSTRAINT macro.
1907
1908 2008-05-27  Eric Botcazou  <ebotcazou@adacore.com>
1909
1910         * tree-sra.c (sra_type_can_be_decomposed_p) <RECORD_TYPE>: Make sure
1911         that the bitfield is of integral type before testing its precision.
1912
1913 2008-05-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
1914             Sa Liu  <saliu@de.ibm.com> 
1915
1916         * config/spu/spu.c (spu_init_libfuncs): Add __multi3, __divti3, 
1917         __modti3, __udivti3, __umodti3 and __udivmodti4.
1918         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add files
1919         that implement TImode mul and div functions.
1920         * config/spu/multi3.c: New. Implement __multi3.
1921         * config/spu/divmodti4.c: New. Implement _udivmodti4 and others.
1922         * testsuite/gcc.target/spu/muldivti3.c: New. Test TImode mul and div
1923         functions on SPU.
1924
1925 2008-05-26  Steven Bosscher  <stevenb.gcc@gmail.com>
1926
1927         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Generate
1928         new tls_gd_* and tls_ld_* insns instead of an insn sequence.
1929         * config/rs6000/rs6000.md (TLSmode, tls_abi_suffix, tls_insn_suffix,
1930         tls_sysv_suffix): New mode and mode attribute iterators.
1931         (tls_gd_32, tls_gd_64, tls_ld_32, tls_ld_64): Remove.
1932         (lts_gd_aix*, tls_gd_sysv*, tls_ld_aix*, tls_ld_sysv*): New patterns.
1933         (tls_dtprel_*, tls_dtprel_ha_*, tls_dtprel_lo_*, tls_got_dtprel_*,
1934         tls_tprel_*, tls_tprel_ha_*, tls_tprel_lo_*, tls_got_tprel_*,
1935         tls_tls_*): Merge 32 bit and 64 bit variants using aforementioned
1936         iterators.
1937
1938 2008-05-26  Eric Botcazou  <ebotcazou@adacore.com>
1939
1940         PR tree-optimization/36329
1941         * tree.h (CALL_CANNOT_INLINE_P): Add access check.
1942         * tree-gimple.h (CALL_STMT_CANNOT_INLINE_P): New macro.
1943         * cgraphbuild.c (initialize_inline_failed): Use the latter
1944         macro in lieu of the former.
1945         * ipa-inline.c (cgraph_mark_inline): Likewise.
1946         (cgraph_decide_inlining_of_small_function): Likewise.
1947         (cgraph_decide_inlining): Likewise.
1948         (cgraph_decide_inlining_incrementally): Likewise.
1949
1950 2008-05-26  Tristan Gingold  <gingold@adacore.com>
1951             Anatoly Sokolov  <aesok@post.ru>
1952
1953         * config/avr/avr.md ("call_prologue_saves"): Use hi8(gs())/lo8(gs())
1954         instead of pm_lo8/pm_hi8 to makes this call working on avr6.
1955         * config/avr/avr.c (expand_prologue): Tune "call_prologue" 
1956         optimization for 'avr6' architecture.
1957
1958 2008-05-26  Andy Hutchinson  <hutchinsonandy@aim.com>
1959
1960         PR target/34932
1961         * config/avr/avr.md (*addhi3_zero_extend2): Remove.
1962
1963 2008-05-26  Richard Guenther  <rguenther@suse.de>
1964
1965         * tree-ssa-sccvn.c (expr_has_constants): Declare.
1966         (visit_reference_op_load): Initialize VN_INFO->has_constants properly.
1967
1968 2008-05-26  H.J. Lu  <hongjiu.lu@intel.com>
1969
1970         PR middle-end/36253
1971         * caller-save.c (insert_restore): Verify alignment of spill space.
1972         (insert_save): Likewise.
1973         * cfgexpand.c (LOCAL_ALIGNMENT): Removed.
1974         * defaults.h (LOCAL_ALIGNMENT): New. Provide default.
1975         (STACK_SLOT_ALIGNMENT): Likewise.
1976         * function.c (LOCAL_ALIGNMENT): Removed.
1977         (get_stack_local_alignment): New.
1978         (assign_stack_local): Use it.  Set alignment on stack slot.
1979         (assign_stack_temp_for_type): Use get_stack_local_alignment.
1980         * config/i386/i386.h (LOCAL_ALIGNMENT): Updated.
1981         (STACK_SLOT_ALIGNMENT): New.
1982         * config/i386/i386.c (ix86_local_alignment): Handle caller-save
1983         stack slot in XFmode.
1984
1985         * doc/tm.texi (STACK_SLOT_ALIGNMENT): New.
1986
1987 2008-05-26  Kai Tietz  <kai.tietz@onevision.com>
1988
1989         PR/36321
1990         * config/i386/i386.md (allocate_stack_worker_64): Make sure
1991         argument operand in rax isn't removed.
1992
1993 2008-05-26  Richard Guenther  <rguenther@suse.de>
1994
1995         PR middle-end/36300
1996         * fold-const.c (extract_muldiv_1): Use TYPE_OVERFLOW_WRAPS,
1997         not TYPE_UNSIGNED.  Use TYPE_PRECISION instead of GET_MODE_SIZE.
1998
1999 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
2000
2001         PR bootstrap/36331
2002         * c-cppbuiltin.c (define__GNUC__): Re-add definition of __GNUG__.
2003
2004 2008-05-26  Dominique Dhumieres  <dominiq@lps.ens.fr>
2005
2006         * config/darwin-c.c: Include "incpath.h" instead of "c-incpath.h".
2007         * config/t-darwin: Use "incpath.h" instead of "c-incpath.h".
2008
2009 2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>
2010
2011         * tree-nested.c (convert_tramp_reference) <ADDR_EXPR>: Do not
2012         build a trampoline if we don't want one.
2013         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Do not
2014         return zero for nested functions if we don't want a trampoline.
2015
2016 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
2017
2018         * doc/invoke.texi: Added f77, f77-cpp-input to list of file types.
2019
2020 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
2021
2022         PR fortran/18428
2023         * c.opt: Removed undocumented option '-lang-fortran'.
2024         * c-common.h: Removed global variable 'lang_fortran'.
2025         * c-opts.c (c_common_handle_option): Removed code to handle
2026         option '-lang-fortran'. Updated includes.
2027         * c-cppbuiltin.c (c_cpp_builtins): Removed conditional
2028         definition of '__GFORTRAN__'.
2029         (define__GNUC__): Reimplemented to use BASEVER and
2030         cpp_define_formatted.
2031         (builtin_define_with_value_n): Removed.
2032         * c-incpath.h: Renamed to ...
2033         * incpath.h: ... this.
2034         * c-incpath.c: Renamed to ...
2035         * incpath.c: ... this. Updated includes.
2036         * fix-header.c: Updated includes.
2037         * Makefile.in: Replaced c-incpath.[ch] by incpath.[ch].
2038         (c-cppbuiltin.o): Added dependency on and definition of BASEVER.
2039         (OBJ-archive): Added cppdefault.o, incpath.o and prefix.o.
2040
2041 2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>
2042
2043         * tree.h: Update the table of flags used on tree nodes.
2044         (TREE_NO_TRAMPOLINE): New accessor for static_flag.
2045         (SAVE_EXPR_RESOLVED_P): Use automatically-built access check.
2046         (FORCED_LABEL): Add access check.
2047         (CALL_EXPR_RETURN_SLOT_OPT): Likewise.
2048         (ASM_INPUT_P): Likewise.
2049         (ASM_VOLATILE_P): Likewise.
2050         (EH_FILTER_MUST_NOT_THROW): Access static_flag directly.
2051         (OMP_SECTION_LAST): Access private_flag directly.
2052         (OMP_RETURN_NOWAIT): Likewise.
2053         (OMP_PARALLEL_COMBINED): Likewise.
2054         (OMP_CLAUSE_PRIVATE_DEBUG): Access public_flag directly.
2055         (OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE): Likewise.
2056         * tree-ssa-propagate.c (STMT_IN_SSA_EDGE_WORKLIST): Access
2057         deprecated_flag directly.
2058
2059 2008-05-25  H.J. Lu  <hongjiu.lu@intel.com>
2060
2061         * final.c (frame_pointer_needed): Removed.
2062         * flags.h (frame_pointer_needed): Likewise.
2063
2064         * function.h (rtl_data): Add frame_pointer_needed.
2065         (frame_pointer_needed): New.
2066
2067 2008-05-25  Arthur Loiret  <arthur.loiret@u-psud.fr>
2068
2069         * config.gcc (sh2[lbe]*-*-linux*): Allow target.
2070
2071 2008-05-25  Steven Bosscher  <stevenb.gcc@gmail.com>
2072
2073         * gcse.c (hash_scan_set): Do not pick up a REG_EQUAL value if
2074         SRC is a REG.
2075
2076 2008-05-25  Alan Modra  <amodra@bigpond.net.au>
2077
2078         * c-common.c (strip_array_types): Move function to..
2079         * tree.c: ..here.
2080         (get_inner_array_type): Delete.
2081         * c-common.h (strip_array_types): Move declaration to..
2082         * tree.h: ..here.
2083         (get_inner_array_type): Delete.
2084         * config/i386/i386.c (x86_field_alignment): Use strip_array_types.
2085         * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Likewise.
2086         * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
2087         * config/pa/pa.c (emit_move_sequence): Likewise.
2088
2089 2008-05-24  H.J. Lu  <hongjiu.lu@intel.com>
2090
2091         * config/i386/i386.md (*sse_prologue_save_insn): Set length
2092         attribute to 34.
2093
2094 2008-05-24  Andy Hutchinson  <hutchinsonandy@aim.com>
2095
2096         * function.c: Include target hook for nonlocal_goto frame value.
2097
2098 2008-05-24  Richard Guenther  <rguenther@suse.de>
2099
2100         * tree-dfa.c (refs_may_alias_p): Re-instantiate case that a scalar
2101         variable can be only accessed through a pointer or a union.
2102
2103 2008-05-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2104
2105         * builtins.c (fold_builtin_fpclassify): Fix spelling of FP_INFINITE.
2106         * doc/extend.texi: Likewise.
2107
2108 2008-05-23  DJ Delorie  <dj@redhat.com>
2109
2110         * config/m32c/jump.md (untyped_call): Add.
2111
2112         * config/m32c/m32c.c (m32c_return_addr_rtx): Change pointer type
2113         for A24 to PSImode.
2114         (m32c_address_cost): Detail costs for indirect offsets.
2115
2116 2008-05-23  Rafael Espindola  <espindola@google.com>
2117
2118         * see.c (see_get_extension_data): Don't use SUBREG_REG to test
2119         if a node is a SUBREG.
2120         (see_analyze_one_def): Don't use SUBREG_REG to test if a node
2121         is a SUBREG.
2122
2123 2008-05-23  Paul Brook  <paul@codesourcery.com>
2124             Carlos O'Donell  <carlos@codesourcery.com>
2125
2126         * doc/extend.texi: Clarify use of __attribute__((naked)).
2127         * doc/tm.texi: Document TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
2128         * target.h (gcc_target): Add allocate_stack_slots_for_args.
2129         * function.c (use_register_for_decl): Use
2130         targetm.calls.allocate_stack_slots_for_args.
2131         * target-def.h (TARGET_CALLS): Add TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
2132         * config/arm/arm.c (arm_allocate_stack_slots_for_args): New function.
2133         (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Define.
2134
2135 2008-05-23  Eric Botcazou  <ebotcazou@adacore.com>
2136
2137         * expr.c (highest_pow2_factor) <BIT_AND_EXPR>: New case.
2138
2139 2008-05-23  Steven Munroe  <sjmunroe@us.ibm.com>
2140
2141         * config/rs6000/darwin-ldouble.c (fmsub): Eliminate the full
2142         PACK/UNPACK between FP_SUB_Q and FD_TRUNC so that the result
2143         is only rounded once.
2144
2145 2008-05-23  Richard Guenther  <rguenther@suse.de>
2146
2147         * tree-ssa-operands.c (mark_difference_for_renaming): Use bitmap_xor.
2148
2149 2008-05-23  Uros Bizjak  <ubizjak@gmail.com>
2150             Jakub Jelinek  <jakub@redhat.com>
2151
2152         PR target/36079
2153         * configure.ac: Handle --enable-cld.
2154         * configure: Regenerated.
2155         * config.gcc: Add USE_IX86_CLD to tm_defines for x86 targets.
2156         * config/i386/i386.h (struct machine_function): Add needs_cld field.
2157         (ix86_current_function_needs_cld): New define.
2158         * config/i386/i386.md (UNSPEC_CLD): New unspec volatile constant.
2159         (cld): New isns pattern.
2160         (strmov_singleop, rep_mov, strset_singleop, rep_stos, cmpstrnqi_nz_1,
2161         cmpstrnqi_1, strlenqi_1): Set ix86_current_function_needs_cld flag.
2162         * config/i386/i386.opt (mcld): New option.
2163         * config/i386/i386.c (ix86_expand_prologue): Emit cld insn if
2164         TARGET_CLD and ix86_current_function_needs_cld.
2165         (override_options): Use -mcld by default for 32-bit code if
2166         USE_IX86_CLD.
2167
2168         * doc/install.texi (Options specification): Document --enable-cld.
2169         * doc/invoke.texi (Machine Dependent Options)
2170         [i386 and x86-64 Options]: Add -mcld option.
2171         (Intel 386 and AMD x86-64 Options): Document -mcld option.
2172
2173 2008-05-23  Kai Tietz  <kai.tietz@onevison.com>
2174         * config/i386/i386.c (return_in_memory_32): Add ATTRIBUTE_UNUSED.
2175         (return_in_memory_64): Likewise.
2176         (return_in_memory_ms_64): Likewise.
2177
2178 2008-05-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2179
2180         * builtin-types.def (BT_FN_INT_INT_INT_INT_INT_INT_VAR): New.
2181         * builtins.c (fold_builtin_fpclassify): New.
2182         (fold_builtin_varargs): Handle BUILT_IN_FPCLASSIFY.
2183         * builtins.def (BUILT_IN_FPCLASSIFY): New.
2184         * c-common.c (handle_type_generic_attribute): Adjust to accept
2185         fixed arguments before an elipsis.
2186         (check_builtin_function_arguments): Handle BUILT_IN_FPCLASSIFY.
2187         * doc/extend.texi: Document __builtin_fpclassify.
2188
2189 2008-05-22  Aldy Hernandez  <aldyh@redhat.com>
2190
2191         * omp-low.c (gate_expand_omp_ssa): Remove.
2192         (pass_expand_omp_ssa): Remove.
2193         (gate_expand_omp): Do not check for flag_openmp_ssa.
2194         * common.opt (-fopenmp-ssa): Remove.
2195         * passes.c (init_optimization_passes): Remove pass_expand_omp_ssa.
2196
2197 2008-05-22  Kaz Kojima  <kkojima@gcc.gnu.org>
2198
2199         * config/sh/sh.opt (mfixed-range): New option.
2200         * config/sh/sh-protos.h (sh_fix_range): Declare.
2201         * config/sh/sh.c (sh_fix_range): New function.
2202         * config/sh/sh.h (sh_fixed_range_str): Declare.
2203         (OVERRIDE_OPTIONS): Call sh_fix_range if sh_fixed_range_str
2204         is not empty.
2205         * doc/invoke.texi (SH Options): Document -mfixed-range.
2206
2207 2008-05-22  Kai Tietz  <kai.tietz@onevision.com>
2208
2209         * config/i386/sol2-10.h (SUBTARGET_RETURN_IN_MEMORY): Undefine
2210         it before the redeclaration.
2211
2212 2008-05-22  Anatoly Sokolov <aesok@post.ru>
2213
2214         * config/avr/avr.c (get_sequence_length): Add new function.
2215         (expand_prologue, expand_epilogue): Remove duplicate code.
2216
2217 2008-05-22  Rafael Espindola  <espindola@google.com>
2218
2219         * see.c (see_pre_insert_extensions): Use copy_rtx to avoid invalid rtx
2220         sharing.
2221
2222 2008-05-22  H.J. Lu  <hongjiu.lu@intel.com>
2223
2224         * defaults.h (UNITS_PER_SIMD_WORD): Add scalar mode as argument.
2225         * doc/tm.texi (UNITS_PER_SIMD_WORD): Likewise.
2226
2227         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Replace
2228         UNITS_PER_SIMD_WORD with GET_MODE_SIZE (TYPE_MODE (vectype)).
2229         (vect_update_misalignment_for_peel): Likewise.
2230         (vector_alignment_reachable_p): Likewise.
2231         * tree-vect-transform.c (vectorizable_load): Likewise.
2232         * tree-vectorizer.c (vect_supportable_dr_alignment): Likewise.
2233         (get_vectype_for_scalar_type): Pass mode of scalar_type
2234         to UNITS_PER_SIMD_WORD.
2235
2236         * config/arm/arm.h (UNITS_PER_SIMD_WORD): Updated.
2237         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Likewise.
2238         * config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
2239         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
2240         * config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.
2241
2242 2008-05-22  Ira Rosen  <irar@il.ibm.com>
2243
2244         PR tree-optimization/36293
2245         * tree-vect-transform.c (vect_transform_strided_load): Don't check
2246         if the first load must be skipped because of a gap.
2247
2248 2008-05-22  Richard Guenther  <rguenther@suse.de>
2249
2250         * tree-dfa.c (refs_may_alias_p): Exit early if possible.  Handle
2251         more cases of offset disambiguation that is possible if
2252         strict-aliasing rules apply.
2253         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Use refs_may_alias_p
2254         for basic offset and type-based disambiguation.
2255
2256 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
2257
2258         * config/i386/i386.c (ix86_expand_vector_init_one_var): Use
2259         ix86_expand_vector_set on V16QImode for SSE4.1.
2260
2261 2008-05-21  Tom Tromey  <tromey@redhat.com>
2262
2263         * c.opt (Wimport): Mark as undocumented.
2264         * doc/invoke.texi (Option Summary): Don't mention -Wimport or
2265         -Wno-import.
2266         (Warning Options): Likewise.
2267         * doc/cppopts.texi: Don't mention -Wimport.
2268
2269 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
2270
2271         PR tree-optimization/36287
2272         PR tree-optimization/36286
2273         * lambda-code.c (build_access_matrix): Do not use the loop->num
2274         for computing the number of induction variables: use the loop depth
2275         instead.
2276
2277 2008-05-21  Kai Tietz  <kai.tietz@onevision.com>
2278
2279         PR/36280
2280         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Honor
2281         option -f(no-)leading-underscore.
2282
2283 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
2284
2285         * config/i386/i386.c (ix86_expand_vector_init_general): Use
2286         GET_MODE_NUNITS (mode).
2287
2288 2008-05-21  Peter Bergner  <bergner@vnet.ibm.com>
2289
2290         * doc/invoke.texi: Add cpu_type's 464 and 464fp.
2291         (-mmulhw): Add 464 to description.
2292         (-mdlmzb): Likewise.
2293         * config.gcc: Handle --with-cpu=464 and --with-cpu=464fp.
2294         * config/rs6000/rs6000.c (processor_target_table): Add 464 and
2295         464fp entries.
2296         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add 464 and 464fp support.
2297         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include -mcpu=464.
2298         * config/rs6000/rs6000.md: Update comments for 464.
2299
2300 2008-05-21  Janis Johnson  <janis187@us.ibm.com>
2301
2302         * doc/sourcebuild.texi (Test Directives): Add dg-xfail-run-if.
2303
2304 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
2305
2306         * config/i386/sse.md (vec_extractv4sf): Removed.
2307         (vec_extractv2df): Likewise.
2308         (vec_extractv2di): Likewise.
2309         (vec_extractv4si): Likewise.
2310         (vec_extractv8hi): Likewise.
2311         (vec_extractv16qi): Likewise.
2312         (vec_extract<mode>): New.
2313
2314 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
2315
2316         * config/i386/sse.md (vec_setv4sf): Removed.
2317         (vec_setv2df): Likewise.
2318         (vec_setv2di): Likewise.
2319         (vec_setv4si): Likewise.
2320         (vec_setv8hi): Likewise.
2321         (vec_setv16qi): Likewise.
2322         (vec_set<mode>): New.
2323
2324 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
2325
2326         * config/i386/i386.c (ix86_expand_vector_init_general): Remove
2327         goto for vec_concat and vec_interleave.
2328
2329 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
2330
2331         * config/i386/sse.md (vec_initv4sf): Removed.
2332         (vec_initv2df): Likewise.
2333         (vec_initv2di): Likewise.
2334         (vec_initv4si): Likewise.
2335         (vec_initv8hi): Likewise.
2336         (vec_initv16qi): Likewise.
2337         (vec_init<mode>): New.
2338
2339 2008-05-21  Joseph Myers  <joseph@codesourcery.com>
2340
2341         * collect2.c (find_a_file): Use IS_ABSOLUTE_PATH.
2342
2343 2008-05-21  Tom Tromey  <tromey@redhat.com>
2344
2345         * ggc-zone.c (lookup_page_table_if_allocated): New function.
2346         (zone_find_object_offset): Likewise.
2347         (gt_ggc_m_S): Likewise.
2348         (highest_bit): Likewise.
2349         * ggc-page.c (gt_ggc_m_S): New function.
2350         * stringpool.c (string_stack): Remove.
2351         (init_stringpool): Update.
2352         (ggc_alloc_string): Use ggc_alloc.
2353         (maybe_delete_ident): New function.
2354         (ggc_purge_stringpool): Likewise.
2355         (gt_ggc_m_S): Remove.
2356         * ggc-common.c (ggc_protect_identifiers): New global.
2357         (ggc_mark_roots): Call ggc_purge_stringpool.  Use
2358         ggc_protect_identifiers.
2359         * ggc.h (ggc_protect_identifiers): Declare.
2360         (gt_ggc_m_S): Update.
2361         (ggc_purge_stringpool): Declare.
2362         * toplev.c (compile_file): Set and reset ggc_protect_identifiers.
2363         * gengtype.c (write_types_process_field) <TYPE_STRING>: Remove
2364         special case.
2365         (write_root): Cast gt_ggc_m_S to gt_pointer_walker.
2366
2367 2008-05-21  David S. Miller  <davem@davemloft.net>
2368
2369         * config.gcc (sparc-*-linux*): Always include sparc/t-linux in
2370         tmake_file.
2371
2372 2008-05-21  Eric Botcazou  <ebotcazou@adacore.com>
2373
2374         * cfgexpand.c (tree_expand_cfg): Zap the EH throw statement table
2375         once finished.
2376
2377 2008-05-20  David Daney  <ddaney@avtrex.com>
2378
2379         * config/mips/mips.md (UNSPEC_SYNC_NEW_OP_12,
2380         UNSPEC_SYNC_OLD_OP_12, UNSPEC_SYNC_EXCHANGE_12): New define_constants.
2381         (UNSPEC_SYNC_EXCHANGE, UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
2382         UNSPEC_UPDATE_GOT_VERSION): Renumber.
2383         (optab, insn): Add 'plus' and 'minus' to define_code_attr.
2384         (atomic_hiqi_op): New define_code_iterator.
2385         (sync_compare_and_swap<mode>): Call mips_expand_atomic_qihi instead of
2386         mips_expand_compare_and_swap_12.
2387         (compare_and_swap_12): Use MIPS_COMPARE_AND_SWAP_12 instead of
2388         MIPS_COMPARE_AND_SWAP_12_0.  Pass argument to MIPS_COMPARE_AND_SWAP_12.
2389         (sync_<optab><mode>, sync_old_<optab><mode>,
2390         sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
2391         sync_new_nand<mode>): New define_expands for HI and QI mode operands.
2392         (sync_<optab>_12, sync_old_<optab>_12, sync_new_<optab>_12,
2393         sync_nand_12, sync_old_nand_12, sync_new_nand_12): New insns.
2394         (sync_lock_test_and_set<mode>): New define_expand for HI and QI modes.
2395         (test_and_set_12): New insn.
2396         (sync_old_add<mode>, sync_new_add<mode>, sync_old_<optab><mode>,
2397         sync_new_<optab><mode>, sync_old_nand<mode>,
2398         sync_new_nand<mode>, sync_lock_test_and_set<mode>):  Add early
2399         clobber to operand 0 for SI and DI mode insns.
2400         * config/mips/mips-protos.h (mips_gen_fn_6, mips_gen_fn_5,
2401         mips_gen_fn_4): New typedefs.
2402         (mips_gen_fn_ptrs): Define new union type.
2403         (mips_expand_compare_and_swap_12): Remove declaration.
2404         (mips_expand_atomic_qihi): Declare function.
2405         * config/mips/mips.c (mips_expand_compare_and_swap_12): Rename to...
2406         (mips_expand_atomic_qihi): ... this.  Use new generator function
2407         parameter.
2408         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): Add OPS parameter.
2409         (MIPS_COMPARE_AND_SWAP_12_0): Delete macro.
2410         (MIPS_COMPARE_AND_SWAP_12_ZERO_OP, MIPS_COMPARE_AND_SWAP_12_NONZERO_OP,
2411         MIPS_SYNC_OP_12, MIPS_SYNC_OP_12_NOT_NOP,
2412         MIPS_SYNC_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12,
2413         MIPS_SYNC_OLD_OP_12_NOT_NOP, MIPS_SYNC_OLD_OP_12_NOT_NOP_REG,
2414         MIPS_SYNC_OLD_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12_NOT_NOT_REG,
2415         MIPS_SYNC_NEW_OP_12, MIPS_SYNC_NEW_OP_12_NOT_NOP,
2416         MIPS_SYNC_NEW_OP_12_NOT_NOT, MIPS_SYNC_EXCHANGE_12,
2417         MIPS_SYNC_EXCHANGE_12_ZERO_OP, MIPS_SYNC_EXCHANGE_12_NONZERO_OP):
2418         New macros.
2419
2420 2008-05-20  H.J. Lu  <hongjiu.lu@intel.com>
2421
2422         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Add
2423         the missing break.
2424
2425 2008-05-20  Anatoly Sokolov <aesok@post.ru>
2426
2427         * config/avr/avr.h (machine_function): Add 'is_OS_main' field.
2428         * config/avr/avr.c (avr_OS_main_function_p): Add new function.
2429         (avr_attribute_table): Add 'OS_main' function attribute.
2430         (avr_regs_to_save, expand_prologue, expand_epilogue): Handle
2431         functions with 'OS_main' attribute.
2432
2433 2008-05-20  Richard Guenther  <rguenther@suse.de>
2434
2435         PR tree-optimization/35204
2436         * tree-ssa-sccvn.c (extract_and_process_scc_for_name): New
2437         helper, split out from ...
2438         (DFS): ... here.  Make the DFS walk non-recursive.
2439
2440 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
2441             Jan Sjodin  <jan.sjodin@amd.com>
2442
2443         PR tree-optimization/36181
2444         * tree-parloops.c (loop_has_vector_phi_nodes): New.
2445         (parallelize_loops): Don't parallelize when the loop has vector
2446         phi nodes.
2447
2448 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
2449             Sebastian Pop  <sebastian.pop@amd.com>
2450
2451         * tree-loop-linear.c (gather_interchange_stats): Look in the access
2452         matrix, and never look at the tree representation of the memory
2453         accesses.
2454         (linear_transform_loops): Computes parameters and access matrices.
2455         * tree-data-ref.c (compute_data_dependences_for_loop): Returns false
2456         when fails.
2457         (access_matrix_get_index_for_parameter): New.
2458         * tree-data-ref.h (struct access_matrix): New.
2459         (AM_LOOP_NEST_NUM, AM_NB_INDUCTION_VARS, AM_PARAMETERS, AM_MATRIX,
2460         AM_NB_PARAMETERS, AM_CONST_COLUMN_INDEX, AM_NB_COLUMNS,
2461         AM_GET_SUBSCRIPT_ACCESS_VECTOR, AM_GET_ACCESS_MATRIX_ELEMENT,
2462         am_vector_index_for_loop): New.
2463         (struct data_reference): Add field access_matrix.
2464         (DR_ACCESS_MATRIX): New.
2465         (compute_data_dependences_for_loop): Update declaration.
2466         (lambda_collect_parameters, lambda_compute_access_matrices): Declared.
2467         * lambda.h (lambda_vector_vec_p): Declared.
2468         * lambda-code.c: Depend on pointer-set.h.
2469         (lambda_collect_parameters_from_af, lambda_collect_parameters,
2470         av_for_af_base, av_for_af, build_access_matrix,
2471         lambda_compute_access_matrices): New.
2472         * Makefile.in (lambda-code.o): Depend on pointer-set.h.
2473
2474 2008-05-20  Joseph Myers  <joseph@codesourcery.com>
2475
2476         * doc/install.texi2html: Generate gcc-vers.texi in $DESTDIR not
2477         $SOURCEDIR/include.
2478
2479 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
2480             Sebastian Pop  <sebastian.pop@amd.com>
2481
2482         PR tree-optimization/36206
2483         * tree-scalar-evolution.c: Remove enum INSERT_SUPERLOOP_CHRECS,
2484         FOLD_CONVERSIONS.
2485         (instantiate_scev_1): Rename flags to fold_conversions.
2486         Do not check for INSERT_SUPERLOOP_CHRECS, keep SSA_NAMEs defined
2487         outeside instantiation_loop.
2488         * tree-chrec.h (evolution_function_is_affine_in_loop): New.
2489         (evolution_function_is_affine_or_constant_p): Removed.
2490         * tree-data-ref.c (dr_analyze_indices): Replace resolve_mixers with
2491         instantiate_scev.
2492         (analyze_siv_subscript): Pass in the loop nest number.
2493         Call evolution_function_is_affine_in_loop instead of 
2494         evolution_function_is_affine_p.
2495         (analyze_overlapping_iterations): Pass in the loop nest number.
2496
2497 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
2498             Sebastian Pop  <sebastian.pop@amd.com>
2499
2500         PR tree-optimization/36206
2501         * tree-chrec.h (chrec_fold_op): New.
2502         * tree-data-ref.c (initialize_matrix_A): Traverse NOP_EXPR, PLUS_EXPR,
2503         and other trees.
2504
2505 2008-05-20  Nathan Sidwell  <nathan@codesourcery.com>
2506
2507         * c-incpath.c (INO_T_EQ): Do not define on non-inode systems.
2508         (DIRS_EQ): New.
2509         (remove_duplicates): Do not set inode on non-inode systems.
2510         Use DIRS_EQ.
2511
2512 2008-05-20  Sandra Loosemore  <sandra@codesourcery.com>
2513
2514         * config.gcc (tm_file): Update comments about relative pathnames.
2515
2516 2008-05-20  Richard Guenther  <rguenther@suse.de>
2517
2518         * tree-ssa-reassoc.c (fini_reassoc): Use the statistics infrastructure.
2519         * tree-ssa-sccvn.c (process_scc): Likewise.
2520         * tree-ssa-sink.c (execute_sink_code): Likewise.
2521         * tree-ssa-threadupdate.c (thread_through_all_blocks): Likewise.
2522         * tree-vrp.c (process_assert_insertions): Likewise.
2523         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
2524         (perform_tree_ssa_dce): Likewise.
2525         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
2526         (dump_dominator_optimization_stats): Likewise.
2527         * tree-vectorizer.c (vectorize_loops): Likewise.
2528
2529 2008-05-20  Richard Guenther  <rguenther@suse.de>
2530
2531         * tree-vn.c (vn_lookup_with_vuses): Do not use the alias oracle.
2532
2533 2008-05-20  Kai Tietz  <kai.tietz@onevision.com>
2534
2535         * config/i386/i386-protos.h (ix86_return_in_memory): Removed.
2536         (ix86_i386elf_return_in_memory): Likewise.
2537         (ix86_i386interix_return_in_memory): Likewise.
2538         * config/i386/i386-interix.h (TARGET_RETURN_IN_MEMORY): Removed.
2539         (SUBTARGET_RETURN_IN_MEMORY): New.
2540         * config/i386/i386elf.h: Likewise.
2541         * config/i386/ptx4-i.h: Likewise.
2542         * config/i386/sol2-10.h: Likewise.
2543         * config/i386/sysv4.h: Likewise.
2544         * config/i386/vx-common.h: Likewise.
2545         * config/i386/i386.h (TARGET_RETURN_IN_MEMORY): Removed.
2546         * config/i386/i386.c (ix86_return_in_memory): Made static and
2547         make use of optional SUBTARGET_RETURN_IN_MEMORY macro.
2548         (ix86_i386elf_return_in_memory): Removed.
2549         (ix86_i386interix_return_in_memory): Removed.
2550         (TARGET_RETURN_IN_MEMORY): Declared within i386.c only.
2551         * target-def.h (TARGET_RETURN_IN_MEMORY): Remove protection #ifdef.
2552
2553 2008-05-20  Alexandre Oliva  <aoliva@redhat.com>
2554
2555         * cselib.c (cselib_record_sets): Use correct mode for IF_THEN_ELSE.
2556
2557 2008-05-19  Xinliang David Li  <davidxl@google.com>
2558
2559         * tree-ssa-dce.c: Revert patches of 2008-05-17 and 2008-05-18. 
2560         * opts.c: Ditto.
2561         * common.opt: Ditto.
2562         * doc/invoke.texi: Ditto.
2563
2564 2008-05-19  Eric Botcazou  <ebotcazou@adacore.com>
2565
2566         * tree.c (substitute_in_expr) <tcc_vl_exp>: Fix thinko.
2567         (substitute_placeholder_in_expr) <tcc_vl_exp>: Minor tweak.
2568
2569 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
2570
2571         * config/i386/i386.c (ix86_expand_vector_init_concat): Change
2572         sizes of operand array from 8/4 to 4/2.
2573         (ix86_expand_vector_init_general): Change size of operand array
2574         from 32 to 16.  Remove op0, op1 and half_mode.
2575
2576 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
2577
2578         * config/i386/i386.c (ix86_expand_vector_init_concat): New.
2579         (ix86_expand_vector_init_interleave): Likewise.
2580         (ix86_expand_vector_init_general): Use them.  Assert
2581         word_mode == SImode when n_words == 4.
2582
2583 2008-05-19  Uros Bizjak  <ubizjak@gmail.com>
2584
2585         * config/i386/i386.c (ix86_secondary_reload): New static function.
2586         (TARGET_SECONDARY_RELOAD): New define.
2587         * config/i386/i386.h (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
2588         * config/i386/i386.md (reload_outqi): Remove.
2589
2590 2008-05-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2591
2592         PR middle-end/35509
2593         * builtins.c (mathfn_built_in_1): Renamed from mathfn_built_in.
2594         Add `implicit' parameter.  Handle BUILT_IN_SIGNBIT.
2595         (mathfn_built_in): Rewrite in terms of mathfn_built_in_1.
2596         (fold_builtin_classify): Handle BUILT_IN_ISINF_SIGN.
2597         (fold_builtin_1): Likewise.
2598         * builtins.def (BUILT_IN_ISINF_SIGN): New.
2599         c-common.c (check_builtin_function_arguments): Handle
2600         BUILT_IN_ISINF_SIGN.
2601         * doc/extend.texi: Document __builtin_isinf_sign.
2602         * fold-const.c (operand_equal_p): Handle COND_EXPR.
2603
2604 2008-05-18  Eric Botcazou  <ebotcazou@adacore.com>
2605
2606         * tree-ssa-dom.c (tree_ssa_dominator_optimize): If some blocks need
2607         EH cleanup at the end of the pass, search for those that have been
2608         turned into forwarder blocks and do the cleanup on their successor.
2609
2610 2008-05-18  Richard Guenther  <rguenther@suse.de>
2611
2612         * tree-cfg.c (verify_gimple_expr): Allow conversions from
2613         pointers to sizetype and vice versa.
2614
2615 2008-05-18 Xinliang David Li   <davidxl@google.com>
2616
2617         * gcc/tree-ssa-dce.c: Coding style fix.
2618         (check_pow): Documentation comment. 
2619         (check_log): Documenation comment. Coding style fix.
2620         (is_unnecessary_except_errno_call): Ditto.
2621         (gen_conditions_for_pow): Ditto.
2622         (gen_conditions_for_log): Ditto.
2623         (gen_shrink_wrap_conditions): Ditto.
2624         (shrink_wrap_one_built_in_calls): Ditto.
2625         * gcc/doc/invoke.texi: Better documentation string.
2626         * ChangeLog: Fix wrong change log entries from 
2627         May 17 checkin on function call DCE.
2628
2629 2008-05-17  Kaz Kojima  <kkojima@gcc.gnu.org>
2630
2631         * config/sh/sh.c (sh_output_mi_thunk): Update the use of init_flow.
2632
2633 2008-05-17  Kenneth Zadeck <zadeck@naturalbridge.com>
2634
2635         * doc/rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P): Fixed typos.
2636         * df-problems.c (simulation routines): Fixed block comment to
2637         properly say how to add forwards scanning functions.
2638         
2639 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
2640
2641         * tree-inline.c (setup_one_parameter): Remove dead code.
2642
2643 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
2644
2645         * fold-const.c (fold_unary) <CASE_CONVERT>: Fold the cast into
2646         a BIT_AND_EXPR only for an INTEGER_TYPE.
2647
2648 2008-05-17 Xinliang David Li   <davidxl@google.com>
2649
2650         * gcc/tree-ssa-dce.c (cond_dead_built_in_calls): New static variable.
2651         (check_pow, check_log, is_unnecessary_except_errno_call): New 
2652         functions to check for eliminating math functions that are pure 
2653         except for setting errno.
2654         (gen_conditions_for_pow, gen_conditionas_for_log): New functions to
2655         general condition expressions for shrink-wrapping pow/log calls.
2656         (gen_shrink_wrap_conditions): Ditto.
2657         (shrink_wrap_one_built_in_call): Ditto.
2658         (shrink_wrap_conditional_dead_built_in_calls): Ditto.
2659         (mark_operand_necessary): If debugging, output if OP is necessary.
2660         (eliminate_unnecessary_stmts): Eliminate pow, log calls that are
2661         unnecessary.
2662         * gcc/opts.c (decode_options): set flag_tree_builtin_dce to 1 when
2663         opt level >= 2.
2664         * gcc/common.opt: New user flag -ftree-builtin-dce.
2665         * gcc/doc/invoke.texi (-ftree-builtin-dce): New option.
2666
2667 2008-05-16  David S. Miller  <davem@davemloft.net>
2668
2669         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Undef before overriding.
2670         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
2671
2672 2008-05-16  Uros Bizjak  <ubizjak@gmail.com>
2673
2674         PR target/36246
2675         * config/i386/i386.h (SECONDARY_MEMORY_NEEDED_MODE): New define.
2676
2677 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
2678
2679         * ifcvt.c (dead_or_predicable): Rename
2680         df_simulate_one_insn_backwards to df_simulate_one_insn.
2681         * recog.c (peephole2_optimize): Ditto.
2682         * rtl-factoring.c (collect_pattern_seqs, clear_regs_live_in_seq):
2683         Ditto.
2684         * df.h: Rename df_simulate_one_insn_backwards to
2685         df_simulate_one_insn.  and delete df_simulate_one_insn_forwards.
2686         * df-problems.c (df_simulate_artificial_refs_at_top) Reversed
2687         scanning of defs and uses.
2688         (df_simulate_one_insn_backwards): Renamed to df_simulate_one_insn.
2689         (df_simulate_one_insn_forwards): Removed.
2690
2691 2008-05-16  Doug Kwan  <dougkwan@google.com>
2692
2693         * real.c (real_to_decimal, real_to_hexadecimal): Distinguish
2694         QNaN & SNaN.
2695         (real_from_string): Handle NaNs and Inf as approriate.
2696
2697 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
2698
2699         * doc/gty.texi (Source Files Containing Type Information): Note
2700         that headers should appear first in the gtfiles list.
2701
2702 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
2703
2704         * tree.def (COND_EXEC): Properly documented this code.
2705
2706 2008-05-16  Diego Novillo  <dnovillo@google.com>
2707
2708         * dwarf2asm.c (dw2_assemble_integer): Clarify comment.
2709         * tree-nested.c (get_trampoline_type): Set DECL_CONTEXT for
2710         the new field.
2711
2712 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
2713
2714         * tree-ssa-dse (max_stmt_uid): Removed.
2715         (get_stmt_uid, dse_possible_dead_store_p, dse_optimize_stmt, 
2716         tree_ssa_dse): Encapsulate all uses of stmt_ann->uid.
2717         * tree-ssa-sccvn.c (compare_ops, init_scc_vn): Ditto.
2718         * function.h (cfun.last_stmt_uid): New field.
2719         * tree-flow-inline.h (set_gimple_stmt_uid, gimple_stmt_uid,
2720         gimple_stmt_max_uid, set_gimple_stmt_max_uid, inc_gimple_stmt_max_uid):
2721         New functions.
2722         * tree-dfa.c (renumber_gimple_stmt_uids): New function.
2723         (create_stmt_ann): Initialize the ann->uid field.
2724         * tree-ssa-pre.c (compute_avail): Encapsulate the stmt_ann->uid
2725         with new calls.
2726         * tree-flow.h (renumber_gimple_stmt_uids): New function.
2727
2728 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
2729
2730         * tree-flow.h (init_empty_tree_cfg_for_function): Declare.
2731         * tree-cfg.c (init_empty_tree_cfg_for_function): Define.
2732         (init_empty_tree_cfg): Call it.
2733
2734 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
2735
2736         * cfg.c (init_flow): Add argument THE_FUN.  Use it instead of cfun.
2737         Update all users.
2738
2739 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
2740
2741         * doc/invoke.text (-fdump-tree-*-verbose): New option.
2742         * tree-dump.c (dump_options): New verbose option.
2743         * tree-pretty-print.c (dump_phi_nodes, dump_generic_bb_buff):
2744         Add verbose dump.
2745         * tree-pass.h (TDF_VERBOSE): New dump flag.
2746         * print-tree.c (print_node): Added code to be able to print PHI_NODES.
2747         (tree-flow.h): Added include.
2748         * Makefile.in (print-tree.o):  Added TREE_FLOW_H.
2749
2750 2008-05-16  Bernd Schmidt  <bernd.schmidt@analog.com>
2751
2752         * config/bfin/bfin.c (bfin_discover_loops): Delete empty loops.
2753
2754         From Jie Zhang  <jie.zhang@analog.com>
2755         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
2756         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Remove mcpu=bf532-0.3,
2757         mcpu=bf561-none and mcpu=bf561-0.2.
2758         * config/bfin/t-bfin-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
2759         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
2760         * config/bfin/t-bfin-linux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
2761         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
2762         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add BFIN_CPU_UNKNOWN.
2763         * config/bfin/elf.h (STARTFILE_SPEC): Use specific CRT for BF561.
2764         (LIB_SPEC): Use proper linker script for bf561.  Error if no mcpu
2765         option.
2766         * config/bfin/bfin.c (bfin_cpu_type): Set to BFIN_CPU_UNKNOWN.
2767         (cputype_selected): Remove.
2768         (bfin_handle_option): Don't use cputype_selected.
2769         (override_options): When no mcpu option, enable all workarounds.
2770         Don't use bfin_workarounds.
2771         * config/bfin/bfin.h (DRIVER_SELF_SPECS): Don't set default
2772         processor type.
2773         (DEFAULT_CPU_TYPE): Don't define.
2774
2775 2008-05-16  Richard Guenther  <rguenther@suse.de>
2776
2777         * tree-ssa-propagate.c (substitute_and_fold): Fix stmt walking
2778         on deletion of the last stmt.
2779
2780 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2781
2782         * config/i386/i386.c (ix86_expand_vector_init_general): Optimize
2783         V8HImode for SSE2 and V16QImode for SSE4.1.
2784
2785 2008-05-15  Kenneth Zadeck <zadeck@naturalbridge.com>
2786
2787         * cgraph.h (compute_inline_parameters): Made public.
2788         * tree-pass.h (ipa_opt_pass): Removed function_generate_summary,
2789         variable_generate_summary, function_write_summary,
2790         variable_write_summary, variable_read_summary.  Added generate_summary,
2791         write_summary, read_summary.
2792         * cgraphunit.c (cgraph_process_new_functions): Changed call from
2793         pass_ipa_inline.function_generate_summary, to
2794         compute_inline_parameters. 
2795         * ipa-inline.c (compute_inline_parameters): Made public and added
2796         node parameter.
2797         (compute_inline_parameters_for_current): New function.
2798         (pass_inline_param): Now calls compute_inline_parameters_for_current.
2799         (inline_generate_summary): Removed parameter and made to loop over
2800         all cgraph nodes.
2801         (pass_ipa_inline): Updated for new IPA_PASS structure.
2802         * passes.c (execute_ipa_summary_passes): Now is called once per
2803         pass rather than once per node*pass.
2804         
2805 2008-05-15  Anatoly Sokolov <aesok@post.ru>
2806
2807         * config/avr/avr.c (avr_base_arch_macro, avr_have_movw_lpmx_p, 
2808         avr_have_mul_p, avr_asm_only_p): Remove variables.
2809         (avr_override_options): Remove initialization of removed variables.
2810         (avr_file_start):  Convert removed variables to fields of 
2811         'struct base_arch_s *avr_current_arch'. 
2812         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): (Ditto.).
2813         (AVR_HAVE_MUL): (Ditto.).
2814         (AVR_HAVE_MOVW): (Ditto.).
2815         (AVR_HAVE_LPMX): (Ditto.). 
2816         (avr_base_arch_macro, avr_have_movw_lpmx_p, avr_have_mul_p, 
2817         avr_asm_only_p): Remove declaration.
2818
2819 2008-05-15  Diego Novillo  <dnovillo@google.com>
2820
2821         * config/arm/arm.c (arm_return_in_memory): Fix return type.
2822         * config/arm/arm-protos.h (arm_return_in_memory): Likewise.
2823
2824 2008-05-15  Adam Nemet  <anemet@caviumnetworks.com>
2825
2826         PR middle-end/36194
2827         * combine.c (check_conversion): Rename back to check_promoted_subreg.
2828         Don't call record_truncated_value from here.
2829         (record_truncated_value): Turn it into a for_each_rtx callback.
2830         (record_truncated_values): New function.
2831         (combine_instructions): Call note_uses with record_truncated_values.
2832         Change name of check_conversion to check_promoted_subreg. 
2833
2834 2008-05-15  Janis Johnson  <janis187@us.ibm.com>
2835
2836         * doc/sourcebuild.texi: Document support for torture tests.
2837
2838 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
2839
2840         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Add "m" constraint
2841         to alternative 4 of operand 2.
2842
2843 2008-05-15  Richard Guenther  <rguenther@suse.de>
2844
2845         * tree-pass.h (current_pass): Declare.
2846         (get_pass_for_id): Likewise.
2847         * passes.c (passes_by_id, passes_by_id_size): New globals.
2848         (set_pass_for_id): New function.
2849         (get_pass_for_id): Likewise.
2850         (register_one_dump_file): Use set_pass_for_id to populate passes_by_id.
2851         (execute_function_todo): Flush per function statistics.
2852         * toplev.c (compile_file): Init statistics.
2853         (general_init): Do early statistics initialization.
2854         (finalize): Finish statistics.
2855         * statistics.h (statistics_early_init): Declare.
2856         (statistics_init): Likewise.
2857         (statistics_fini): Likewise.
2858         (statistics_fini_pass): Likewise.
2859         (statistics_counter_event): Likewise.
2860         (statistics_histogram_event): Likewise.
2861         * statistics.c: New file.
2862         * Makefile.in (OBJS-common): Add statistics.o.
2863         (statistics.o): Add dependencies.
2864         * doc/invoke.texi (-fdump-statistics): Document.
2865
2866         * tree-ssa-pre.c (compute_antic): Use statistics_histogram_event.
2867         (insert): Likewise.
2868         (execute_pre): Use statistics_counter_event.
2869         * tree-ssa-propagate.c (struct prop_stats_d): Add num_dce field.
2870         (substitute_and_fold): Increment it.  Use statistics_counter_event.
2871
2872 2008-05-15  Diego Novillo  <dnovillo@google.com>
2873
2874         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00893.html
2875
2876         * treestruct.def (TS_STRUCT_FIELD_TAG): Remove.
2877         * tree-ssa-alias.c (new_type_alias): Remove references to
2878         sub-variables from comment.
2879         * tree-ssa-operands.c (swap_tree_operands): Likewise.
2880
2881 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2882
2883         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Set prefix_extra
2884         attribute to 1 only for insertps alternative.
2885
2886 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
2887
2888         * config/bfin/bfin.md (loadbytes): New pattern.
2889         * config/bfin/bfin.c (enum bfin_builtins): Add BFIN_BUILTIN_LOADBYTES.
2890         (bfin_init_builtins): Initialize it.
2891         (bdesc_1arg): Add it.
2892
2893 2008-05-15  Sa Liu  <saliu@de.ibm.com>
2894
2895         * testsuite/gfortran.dg/c_kind_int128_test1.f03: New.
2896         * testsuite/gfortran.dg/c_kind_int128_test2.f03: New.
2897         * testsuite/lib/target-supports.exp: Add
2898         check_effective_target_fortran_integer_16.
2899
2900 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
2901
2902         * config/bfin/bfin.h (TARGET_RETURN_IN_MEMORY): Don't define here.
2903         * config/bfin/bfin-protos.h (bfin_return_in_memory): Don't declare.
2904         * config/bfin/bfin.c (bfin_return_in_memory): Now static.  Return bool.
2905         (TARGET_RETURN_IN_MEMORY): Define.
2906
2907 2008-05-15  Richard Guenther  <rguenther@suse.de>
2908
2909         PR middle-end/36244
2910         * tree-ssa-alias.c (new_type_alias): Do not set TREE_READONLY.
2911         * tree-flow-inline.h (unmodifiable_var_p): Memory tags never
2912         represent unmodifiable vars.
2913
2914 2008-05-15  Richard Guenther  <rguenther@suse.de>
2915
2916         * tree-dfa.c (refs_may_alias_p): Allow all kinds of
2917         INDIRECT_REF and TARGET_MEM_REF.
2918         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2919         TARGET_MEM_REF.
2920
2921 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
2922             H.J. Lu  <hongjiu.lu@intel.com>
2923
2924         * config/i386/sse.md (*vec_concatv2sf_sse4_1): New insn pattern.
2925         (*vec_concatv2si_sse4_1): Use vector_move_operand predicate
2926         for operand 2.  Remove pinsr{q,d} with 0x0 immediate operand from
2927         insn alternatives.  Add missing alternatives.
2928         (*vec_concatv2di_rex64_sse4_1): Likewise.
2929         (*vec_concatv2si_sse2): Use "x" register constraint instead of "Y2".
2930         (*vec_concatv2di_rex64_sse): Rename from *vec_concatv2di_rex64.
2931         Require TARGET_SSE.
2932
2933 2008-05-15  Richard Guenther  <rguenther@suse.de>
2934
2935         PR tree-optimization/36009
2936         PR tree-optimization/36204
2937         * tree-ssa-loop-im.c (tree-ssa-propagate.h): Include.
2938         (determine_invariantness_stmt): Record the loop a store is
2939         always executed in.
2940         * Makefile.in (tree-ssa-loop-im.o): Add tree-ssa-propagate.h
2941         dependency.
2942
2943 2008-05-15  Richard Guenther  <rguenther@suse.de>
2944
2945         PR tree-optimization/34330
2946         * tree-ssa-alias.c (get_smt_for): Only assert that accesses
2947         through the pointer will alias the SMT.
2948
2949 2008-05-14  Andreas Tobler  <a.tobler@schweiz.org>
2950
2951         * config/sparc/sparc.h (NO_PROFILE_COUNTERS): Define as 0.
2952
2953 2008-05-14  H.J. Lu  <hongjiu.lu@intel.com>
2954
2955         * config/i386/sse.md (*sse4_1_pinsrq): Make it 64bit only.
2956
2957 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
2958             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
2959
2960         * optabs.h (optab_index): Add OTI_vashl, OTI_vlshr, OTI_vashr,
2961         OTI_vrotl, OTI_vrotr to support vector/vector shifts.
2962         (vashl_optab): New optab for vector/vector shifts.
2963         (vashr_optab): Ditto.
2964         (vlshr_optab): Ditto.
2965         (vrotl_optab): Ditto.
2966         (vrotr_optab): Ditto.
2967         (optab_subtype): New enum for optab_for_tree_code call.
2968         (optab_for_tree_code): Add enum optab_subtype argument.
2969
2970         * optabs.c (optab_for_tree_code): Take an additional argument to
2971         distinguish between a vector shift by a scalar and vector shift by
2972         a vector.  Make lshr/ashr/ashl/rotl/rotr optabs just vector
2973         shifted by a scalar.  Use vlshr/vashr/vashl/vrotl/vrotr for the
2974         vector shift by a vector.
2975         (expand_widen_pattern_expr): Pass additional argument to
2976         optab_for_tree_code.
2977
2978         * genopinit.c (optabs): Add vashr_optab, vashl_optab, vlshr_optab,
2979         vrotl_optab, vrotr_optab.
2980
2981         * expr.c (expand_expr_real_1): Update calls to
2982         optab_for_tree_code to distinguish between vector shifted by a
2983         scalar and vector shifted by a vector.
2984         * tree-vectorizer.c (supportable_widening_operation): Ditto.
2985         (supportable_narrowing_operation): Ditto.
2986         * tree-vect-analyze.c (vect_build_slp_tree): Ditto.
2987         * tree-vect-patterns.c (vect_pattern_recog_1): Ditto.
2988         * tree-vect-transform.c (vect_model_reduction_cost): Ditto.
2989         (vect_create_epilog_for_reduction): Ditto.
2990         (vectorizable_reduction): Ditto.
2991         (vectorizable_operation): Ditto.
2992         (vect_strided_store_supported): Ditto.
2993         (vect_strided_load_supported): Ditto.
2994         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
2995         * expmed.c (expand_shift): Ditto.
2996
2997         * doc/md.texi (ashl@var{m}3): Document that operand 2 is always a
2998         scalar type.
2999         (ashr@var{m}3): Ditto.
3000         (vashl@var{m}3): Document new vector/vector shift standard name.
3001         (vashr@var{m}3): Ditto.
3002         (vlshr@var{m}3): Ditto.
3003         (vrotl@var{m}3): Ditto.
3004         (vrotr@var{m}3): Ditto.
3005
3006         * config/i386/i386.md (PPERM_SRC): Move PPERM masks here from i386.c.
3007         (PPERM_INVERT): Ditto.
3008         (PPERM_REVERSE): Ditto.
3009         (PPERM_REV_INV): Ditto.
3010         (PPERM_ZERO): Ditto.
3011         (PPERM_ONES): Ditto.
3012         (PPERM_SIGN): Ditto.
3013         (PPERM_INV_SIGN): Ditto.
3014         (PPERM_SRC1): Ditto.
3015         (PPERM_SRC2): Ditto.
3016
3017         * config/i386/sse.md (mulv2di3): Add SSE5 support.
3018         (sse5_pmacsdql_mem): New SSE5 define_and_split that temporarily
3019         allows a memory operand to be the value being added, and split it
3020         to improve vectorization.
3021         (sse5_pmacsdqh_mem): Ditto.
3022         (sse5_mulv2div2di3_low): SSE5 32-bit multiply and extend function.
3023         (sse5_mulv2div2di3_high): Ditto.
3024         (vec_pack_trunc_v8hi): Add SSE5 pperm support.
3025         (vec_pack_trunc_v4si): Ditto.
3026         (vec_pack_trunc_v2di): Ditto.
3027         (sse5_pcmov_<mode>): Remove code that tried to use use
3028         andps/andnps instead of pcmov.
3029         (vec_widen_smult_hi_v4si): If we have SSE5, use the pmacsdql and
3030         pmacsdqh instructions.
3031         (vec_widen_smult_lo_v4si): Ditto.
3032
3033         * config/i386/i386.c (PPERM_SRC): Move PPERM masks to i386.md.
3034         (PPERM_INVERT): Ditto.
3035         (PPERM_REVERSE): Ditto.
3036         (PPERM_REV_INV): Ditto.
3037         (PPERM_ZERO): Ditto.
3038         (PPERM_ONES): Ditto.
3039         (PPERM_SIGN): Ditto.
3040         (PPERM_INV_SIGN): Ditto.
3041         (PPERM_SRC1): Ditto.
3042         (PPERM_SRC2): Ditto.
3043         (ix86_expand_sse_movcc): Move the SSE5 test after the if
3044         true/false tests.
3045         (ix86_expand_int_vcond): If SSE5 generate all possible integer
3046         comparisons.
3047         (ix86_sse5_valid_op_p): Allow num_memory to be negative, which
3048         says ignore whether the last reference is a memory operand.
3049
3050 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
3051             Paolo Bonzini <bonzini at gnu dot org>
3052
3053         * config/rs6000/rs6000.c (bdesc_2arg): Change the names of vector
3054         shift patterns.
3055
3056         * config/rs6000/altivec.md (vashl<mode>3): Rename from ashl<mode>3.
3057         (vlshr<mode>3): Rename from vlshr<mode>3.
3058         (vashr<mode>3): Rename from vashr<mode>3.
3059         (mulv4sf3): Change the names of vector shift patterns.
3060         (mulv4si3): Ditto.
3061         (negv4sf2): Ditt.
3062
3063         * config/spu/spu.c (spu_initialize_trampoline): Rename vector
3064         shift insns.
3065
3066         * config/spu/spu-builtins.def (SI_SHLH): Rename vector shift insns.
3067         (SI_SHLHI): Ditto.
3068         (SI_SHL): Ditto.
3069         (SI_SHLI): Ditto.
3070         (SI_ROTH): Ditto.
3071         (SI_ROTHI): Ditto.
3072         (SI_ROT): Ditto.
3073         (SI_ROTI): Ditto.
3074         (SPU_RL_0): Ditto.
3075         (SPU_RL_1): Ditto.
3076         (SPU_RL_2): Ditto.
3077         (SPU_RL_3): Ditto.
3078         (SPU_RL_4): Ditto.
3079         (SPU_RL_5): Ditto.
3080         (SPU_RL_6): Ditto.
3081         (SPU_RL_7): Ditto.
3082         (SPU_SL_0): Ditto.
3083         (SPU_SL_1): Ditto.
3084         (SPU_SL_2): Ditto.
3085         (SPU_SL_3): Ditto.
3086         (SPU_SL_4): Ditto.
3087         (SPU_SL_5): Ditto.
3088         (SPU_SL_6): Ditto.
3089         (SPU_SL_7): Ditto.
3090
3091         * config/spu/spu.md (v): New iterator macro to add v for vector types.
3092         (floatunssidf2_internal): Change vector/vector shift names.
3093         (floatunsdidf2_internal): Ditto.
3094         (mulv8hi3): Ditto.
3095         (ashrdi3): Ditto.
3096         (ashrti3): Ditto.
3097         (cgt_df): Ditto.
3098         (cgt_v2df): Ditto.
3099         (dftsv): Ditto.
3100         (vashl<mode>3): Rename from ashl<mode>3.
3101         (vashr<mode>3): Rename from ashr<mode>3.
3102         (vlshr<mode>3): Rename from lshr<mode>3.
3103         (vrotl<mode>3): Rename from rotl<mode>3.
3104
3105 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
3106
3107         PR target/36224
3108         * config/i386/sse.md (vec_widen_smult_hi_v4si): Delete, using unsigned
3109         multiply gives the wrong value when doing widening multiplies.
3110         (vec_widen_smult_lo_v4si): Ditto.
3111
3112 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
3113
3114         * optabs.c (prepare_cmp_insn): Changed LCT_PURE_MAKE_BLOCK to
3115         LCT_PURE and LCT_CONST_MAKE_BLOCK to LCT_CONST in calls to
3116         emit_library_call_value. 
3117         * builtins.c (expand_builtin_powi, expand_builtin_memcmp): Ditto.
3118         * tree.h (ECF_LIBCALL_BLOCK): Removed.
3119         * calls.c (initialize_argument_information, precompute_arguments, 
3120         expand_call, emit_library_call_value_1): Remove ECF_LIBCALL_BLOCK.
3121         (precompute_arguments): Removed flags parameter.
3122         * rtl.h (LCT_CONST_MAKE_BLOCK, LCT_PURE_MAKE_BLOCK): Removed.
3123         
3124 2008-05-14  Richard Guenther  <rguenther@suse.de>
3125
3126         * tree-ssa-dse.c (dse_possible_dead_store_p): Remove dead code.
3127         Make sure to register the store if the use is a PHI_NODE.
3128
3129 2008-05-14  Olivier Hainque  <hainque@adacore.com>
3130
3131         * expr.c (expand_expr_real_1) <normal_inner_ref>: Force op0 to
3132         memory if the component is to be referenced in BLKmode according
3133         to get_inner_reference.
3134
3135 2008-05-14  Adam Nemet  <anemet@caviumnetworks.com>
3136
3137         * calls.c (emit_library_call_value_1): Restore code clearing
3138         ECF_LIBCALL_BLOCK to ensure that we only call end_sequence once.
3139
3140 2008-05-14  Olivier Hainque  <hainque@adacore.com>
3141             Nicolas Roche  <roche@adacore.com>
3142
3143         * configure.ac: Add support for a "gcc_subdir" variable in
3144         config-lang.in, to denote a subdirectory where the language/GCC
3145         integration files are to be found.
3146         * configure: Regenerate.
3147
3148 2008-05-14  Ira Rosen  <irar@il.ibm.com>
3149
3150         PR tree-optimization/36098
3151         * tree-vect-analyze.c (vect_analyze_group_access): Set the gap
3152         value for the first load in the group in case of a gap.
3153         (vect_build_slp_tree): Check that there are no gaps in loads.
3154
3155 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
3156
3157         * doc/rtl.texi: Removed reference to REG_NO_CONFLICT notes.
3158         * optabs.c (expand_binop, expand_absneg_bit, expand_unop,
3159         expand_copysign_bit, ): Change call to emit_no_conflict_block to
3160         emit_insn and remove unneeded code to construct extra args.
3161         (emit_no_conflict_block): Removed.
3162         * optabls.h: (emit_no_conflict_block): Removed.
3163         * cse.c (cse_extended_basic_block): Remove search for
3164         REG_NO_CONFLICT note.
3165         * global.c: Removed incorrect comment added in revision 117.
3166         * expr.c (convert_move): Change call to emit_no_conflict_block to
3167         emit_insn.
3168         * recog.c: Change comments so that they do not mention
3169         REG_NO_CONFLICT.
3170         * local_alloc.c (combine_regs): Removed last parameter.
3171         (no_conflict_p): Removed.
3172         (block_alloc): Removed note, no_conflict_combined_regno and set
3173         local vars. Removed all code to process REG_NO_CONFLICT blocks.
3174         (combine_regs): Removed already_dead and code to look for
3175         REG_NO_CONFLICT notes.
3176         * lower_subreg (remove_retval_note): Removed code to look for
3177         REG_NO_CONFLICT block.
3178         (resolve_reg_notes): Removed REG_NO_CONFLICT case.
3179         (resolve_clobber): Remove code to process libcalls that have
3180         REG_NO_CONFLICT notes.
3181         * loop_invariant.c (find_invariant_insn): Removed REG_NO_CONFLICT
3182         case.
3183         * combine.c (can_combine_p, distribute_notes):  Removed
3184         REG_NO_CONFLICT case.
3185         * config/cris/cris.md (movdi pattern): Changed emit_no_conflict_block
3186         to emit_insns.
3187         * config/mn10300/mn10300.md (absdf2, negdf2 patterns): Ditto.
3188         * config/m68k/m68k.md (negdf2, negxf2, absdf2, absxf2 patterns):
3189         Ditto.
3190         * reg-notes.def (NO_CONFLICT): Removed.
3191
3192 2008-05-14  David S. Miller  <davem@davemloft.net>
3193
3194         * config/sparc/sparc.c (sparc_profile_hook): If
3195         NO_PROFILE_COUNTERS, don't generate and pass a label into mcount.
3196         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Define as 1.
3197         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
3198
3199 2008-05-14  Andreas Krebbel  <krebbel1@de.ibm.com>
3200
3201         * cse.c (cse_cc_succs): Invoke delete_insn_and_edges.
3202
3203 2008-05-13  Uros Bizjak  <ubizjak@gmail.com>
3204
3205         PR target/36222
3206         * config/i386/i386.c (ix86_expand_vector_init_general): Rearrange op0
3207         and op1 expansion before vector concat to have less live pseudos.
3208
3209 2008-05-13  H.J. Lu  <hongjiu.lu@intel.com>
3210
3211         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
3212         ix86_expand_vector_set if supported.
3213
3214 2008-05-13  Diego Novillo  <dnovillo@google.com>
3215             Kenneth Zadeck  <zadeck@naturalbridge.com>
3216
3217         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00748.html
3218
3219         * tree.h (init_phinodes, fini_phinodes, release_phi_node,
3220         phinodes_print_statistics, init_ssanames, fini_ssanames,
3221         make_ssa_name, duplicate_ssa_name, duplicate_ssa_name_ptr_info,
3222         release_ssa_name, release_defs, replace_ssa_name_symbol,
3223         ssanames_print_statistics): Move ...
3224         * tree-flow.h: ... here.
3225         * tree-ssanames.c (init_ssanames): Add arguments FN and SIZE.
3226         Use FN instead of cfun.
3227         (make_ssa_name_fn): Rename from make_ssa_name.
3228         (pass_release_ssa_names): Add TODO_dump_func to finish flags.
3229         * tree-flow-inline.h (make_ssa_name): Move from
3230         tree-ssanames.c.  Convert to static inline.  Call make_ssa_name_fn.
3231         * omp-low.c (expand_omp_parallel):
3232         * tree-flow-inline.h (redirect_edge_var_map_result):
3233         * tree-ssa.c (init_tree_ssa): Add argument FN.
3234         Use it instead of cfun.  Update all users.
3235
3236 2008-05-13  Tom Tromey  <tromey@redhat.com>
3237
3238         PR preprocessor/22168:
3239         * doc/cpp.texi (Top): Update menu.
3240         (Alternatives to Wrapper #ifndef): New node.
3241         (Other Directives): Document deprecation.
3242         (Obsolete Features): Remove menu.
3243         (Assertions): Merge node into Obsolete Features.
3244         (Obsolete once-only headers): Move earlier; rename to Alternatives
3245         to Wrapper #ifndef.
3246         * doc/cppopts.texi: Update.
3247         * c.opt (Wdeprecated): Enable for C and ObjC.
3248         * doc/invoke.texi (Option Summary): Move -Wno-deprecated.
3249         (C++ Dialect Options): Move -Wno-deprecated from here to...
3250         (Warning Options): ... here.
3251
3252 2008-05-13  Richard Guenther  <rguenther@suse.de>
3253
3254         PR middle-end/36227
3255         * fold-const.c (fold_sign_changed_comparison): Do not allow
3256         changes in pointer-ness.
3257
3258 2008-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
3259
3260         PR target/24713
3261         * config/sh/sh.c (sh_expand_prologue): Don't clear
3262         RTX_FRAME_RELATED_P for push insns.
3263
3264 2008-05-12  Andy Hutchinson  <hutchinsonandy@aim.com>
3265
3266         * config/avr/avr.h (MAX_OFILE_ALIGNMENT): Define.
3267
3268 2008-05-12  Anatoly Sokolov <aesok@post.ru>
3269
3270         * config/avr/avr.h (machine_function): Add 'is_leaf' field.
3271         * config/avr/avr.c (avr_regs_to_save): Compute 'machine->is_leaf'.
3272         Use 'machine->is_leaf' instead of 'leaf_func_p'.
3273
3274 2008-05-12  H.J. Lu  <hongjiu.lu@intel.com>
3275
3276         * config/i386/sse.md (*sse_concatv4sf): Renamed to ...
3277         (*vec_concatv4sf_sse): This.
3278         (*sse2_concatv2si): Renamed to ...
3279         (*vec_concatv2si_sse2): This.
3280         (*sse1_concatv2si): Renamed to ...
3281         (*vec_concatv2si_sse): This.
3282         (*vec_concatv2di_rex): Renamed to ...
3283         (*vec_concatv2di_rex64): This.
3284         (*vec_concatv2si_sse4_1): New.
3285         (*vec_concatv2di_rex64_sse4_1): Likewise.
3286
3287 2008-05-12  Uros Bizjak  <ubizjak@gmail.com>
3288
3289         PR rtl-optimization/36111
3290         * recog.c (validate_replace_rtx_1): Unshare new RTL expression
3291         that was created for swappable operands.
3292
3293 2008-05-12  Samuel Tardieu  <sam@rfc1149.net>
3294
3295         PR ada/36001
3296         * Makefile.in: Substitute GNATMAKE and GNATBIND.
3297         * configure.ac: Add call to ACX_PROG_GNAT.
3298
3299 2008-05-11  Volker Reichelt  <v.reichelt@netcologne.de>
3300
3301         * optc-gen.awk: Fix comment typo.
3302
3303 2008-05-11  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
3304
3305         * pretty-print.c (pp_integer_with_precision): Use
3306         HOST_LONG_LONG_FORMAT.
3307
3308 2008-05-10  Kenneth Zadeck  <zadeck@naturalbridge.com>
3309
3310         * gcse.c (store_killed_in_insn): Negated call to RTL_CONST_CALL_P.
3311                 
3312 2008-05-10  H.J. Lu  <hongjiu.lu@intel.com>
3313
3314         * config/i386/i386.c (bdesc_ptest): Removed.
3315         (ix86_builtin_type): Add INT_FTYPE_V2DI_V2DI_PTEST.
3316         (bdesc_args): Add __builtin_ia32_ptestz128,
3317         __builtin_ia32_ptestc128 and __builtin_ia32_ptestnzc128.
3318         (ix86_init_mmx_sse_builtins): Updated.
3319         (ix86_expand_args_builtin): Handle INT_FTYPE_V2DI_V2DI_PTEST.
3320         (ix86_expand_builtin): Updated.
3321
3322 2008-05-10  Richard Sandiford  <rdsandiford@googlemail.com>
3323
3324         * tree-cfg.c (valid_fixed_convert_types_p): New function.
3325         (verify_gimple_expr): Handle FIXED_CONVERT_EXPR.
3326
3327 2008-05-10  Uros Bizjak  <ubizjak@gmail.com>
3328
3329         * value-prof.c (interesting_stringop_to_profile): Do not
3330         return early for BUILT_IN_MEMPCPY.
3331
3332 2008-05-09  H.J. Lu  <hongjiu.lu@intel.com>
3333
3334         * calls.c (expand_call): Don't use callgraph to increase
3335         preferred_stack_boundary.
3336
3337         * cgraph.h (cgraph_rtl_info): Use unsigned on
3338         preferred_incoming_stack_boundary.
3339
3340         * final.c (rest_of_clean_state): Use unsigned on
3341         preferred_stack_boundary.
3342
3343 2008-05-09  Tom Tromey  <tromey@redhat.com>
3344
3345         PR preprocessor/22231:
3346         * c-opts.c (sanitize_cpp_opts): Disallow -MG if compilation is
3347         proceeding.
3348
3349 2008-05-09  Uros Bizjak  <ubizjak@gmail.com>
3350
3351         PR tree-optimization/36129
3352         * tree-ssa-ccp.c: Include value-prof.h.
3353         (execute_fold_all_builtins): Call gimple_remove_stmt_histograms if
3354         built-in function was folded to a constant.
3355         * Makefile.in (tree-ssa-ccp.c): Depend on value-prof.h
3356
3357 2008-05-09  Jan Sjodin  <jan.sjodin@amd.com>
3358             Sebastian Pop  <sebastian.pop@amd.com>
3359
3360         * tree-scalar-evolution.c: Document instantiate_scev.
3361         (instantiate_parameters_1): Renamed instantiate_scev_1.
3362         Don't use the same loop for instantiation_loop and evolution_loop.
3363         (instantiate_scev): New.
3364         (instantiate_parameters): Moved...
3365         (resolve_mixers): Update call to instantiate_scev_1 to pass the
3366         same loop twice.  Maintains the semantics for this function.
3367         * tree-scalar-evolution.h (instantiate_scev): Declare.
3368         (instantiate_parameters): ...here.  Now static inline.
3369         * tree-data-ref.c (dr_analyze_indices): Call instantiate_scev
3370         instead of resolve_mixers.
3371
3372 2008-05-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
3373
3374         * rtl-factoring.c (collect_pattern_seqs): Fix typo.
3375
3376 2008-05-09  Tomas Bily  <tbily@suse.cz>
3377
3378         * config/pa/pa.c (reloc_needed): Use CASE_CONVERT.
3379         * tree-cfg.c (verify_expr, verify_gimple_expr): Likewise.
3380         * tree-ssa-structalias.c (get_constraint_for): Likewise.
3381         * c-common.c (c_common_truthvalue_conversion): Likewise.
3382         * tree-object-size.c (compute_object_offset): Likewise.
3383         * tree-inline.c (estimate_num_insns_1): Likewise.
3384         * varasm.c (const_hash_1, compare_constant, copy_constant)
3385         (compute_reloc_for_constant, output_addressed_constants)
3386         (initializer_constant_valid_p): Likewise.
3387         * c-omp.c (check_omp_for_incr_expr): Likewise.
3388         * gimplify.c (gimplify_expr): Likewise.
3389         * c-typeck.c (c_finish_return): Likewise.
3390         * tree-vectorizer.c (supportable_widening_operation)
3391         (supportable_narrowing_operation): Likewise.
3392         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Likewise.
3393         * matrix-reorg.c (can_calculate_expr_before_stmt): Likewise.
3394         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
3395         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info)
3396         (descr_info_loc): Likewise.
3397         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
3398         * fold-const.c (operand_equal_p, make_range, extract_muldiv_1)
3399         (fold_unary): Likewise.
3400         * builtins.c (get_pointer_alignment): Likewise.
3401         * tree-scalar-evolution.c (interpret_rhs_modify_stmt)
3402         (instantiate_parameters_1): Likewise.
3403         * tree.c (expr_align, stabilize_reference): Likewise.
3404         * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
3405         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
3406         * convert.c (strip_float_extensions): Use CONVERT_EXPR_P.
3407         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
3408         * config/alpha/alpha.c (va_list_skip_additions): Likewise.
3409         * c-common.c (c_alignof_expr, check_function_arguments_recurse):
3410         Likewise.
3411         * tree-ssa.c (tree_ssa_useless_type_conversion): Likewise.
3412         * varasm.c (initializer_constant_valid_p, output_constant): Likewise.
3413         * tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from)
3414         (forward_propagate_addr_expr_1, forward_propagate_addr_expr)
3415         (forward_propagate_comparison)
3416         (tree_ssa_forward_propagate_single_use_vars): Likewise.
3417         * cfgexpand.c (discover_nonconstant_array_refs_r): Likewise.
3418         * emit-rtl.c (component_ref_for_mem_expr)
3419         (set_mem_attributes_minus_bitpos): Likewise.
3420         * tree-ssa-phiopt.c (conditional_replacement): Likewise.
3421         * gimplify.c (gimplify_conversion, goa_lhs_expr_p, gimplify_expr):
3422         Likewise.
3423         * c-typeck.c (default_function_array_conversion, build_indirect_ref)
3424         (build_function_call, pointer_diff, build_compound_expr)
3425         (c_finish_return): Likewise.
3426         * tree-vect-analyze.c (vect_determine_vectorization_factor): Likewise.
3427         * matrix-reorg.c (get_inner_of_cast_expr, may_flatten_matrices_1):
3428         Likewise.
3429         * tree-ssa-ifcombine.c (recognize_single_bit_test): Likewise.
3430         * expr.c (is_aligning_offset): Likewise.
3431         * tree-ssa-alias.c (is_escape_site): Likewise.
3432         * tree-stdarg.c (va_list_counter_bump, check_va_list_escapes)
3433         (check_all_va_list_escapes): Likewise.
3434         * tree-ssa-loop-ivopts.c (determine_base_object)
3435         (determine_common_wider_type): Likewise.
3436         * dojump.c (do_jump): Likewise.
3437         * tree-ssa-sccvn.c (simplify_unary_expression): Likewise.
3438         * tree-gimple.c (is_gimple_cast): Likewise.
3439         * fold-const.c (decode_field_reference, )
3440         (fold_sign_changed_comparison, fold_unary, fold_comparison)
3441         (fold_binary): Likewise.
3442         * tree-ssa-alias-warnings.c (find_alias_site_helper)
3443         (already_warned_in_frontend_p): Likewise.
3444         * builtins.c (get_memory_rtx, fold_builtin_next_arg): Likewise.
3445         * tree.c (really_constant_p, get_unwidened): Likewise.
3446         * tree-ssa-loop-niter.c (expand_simple_operations): Likewise.
3447         * tree-ssa-loop-im.c (rewrite_bittest): Likewise.
3448         * tree-vrp.c (register_edge_assert_for_2, register_edge_assert_for_1):
3449         Likewise.
3450         * tree.h (STRIP_NOPS, STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Use
3451         CONVERT_EXPR_P.
3452         (CONVERT_EXPR_P): Define.
3453         (CASE_CONVERT): Define.
3454         
3455 2008-05-08  Kenneth Zadeck  <zadeck@naturalbridge.com>
3456
3457         PR middle-end/36117
3458         * dce.c (deletable_insn_p): Do not delete calls if df_in_progress.
3459         (delete_unmarked_insns): When deleting a call, call
3460         delete_unreachable_blocks.
3461         * rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
3462         RTL_CONST_OR_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P): Fixed doc.
3463
3464 2008-05-08  Richard Guenther  <rguenther@suse.de>
3465
3466         * doc/invoke.texi (-fdump-tree-salias): Remove documentation.
3467         (-ftree-salias): Likewise.
3468         (salias-max-implicit-fields): Remove param documentation.
3469         (salias-max-array-elements): Likewise.
3470         * tree-pass.h (pass_create_structure_vars): Remove.
3471         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): Remove.
3472         (SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
3473         * tree-ssa-alias.c (create_structure_vars): Remove.
3474         (gate_structure_vars): Likewise.
3475         (pass_create_structure_vars): Likewise.
3476         (gate_build_alias): Likewise.
3477         (pass_build_alias): Adjust to run always and dump the function.
3478         * common.opt (ftree-salias): Hide.
3479         * passes.c (init_optimization_passes): Remove
3480         pass_create_structure_vars, adjust comment.
3481         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): Remove.
3482         (PARAM_SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
3483         * opts.c (decode_options): Do not set flag_tree_salias.
3484         (common_handle_option): Add OPT_ftree_salias to the backward
3485         compatibility section.
3486
3487 2008-05-08  Richard Guenther  <rguenther@suse.de>
3488
3489         * tree-flow-inline.h (var_can_have_subvars): Move ...
3490         * tree-ssa-structalias.c (var_can_have_subvars): ... here.
3491         * tree-flow.h (var_can_have_subvars): Remove.
3492         (push_fields_onto_fieldstack): Remove.
3493         (sort_fieldstack): Likewise.
3494         (struct fieldoff): Move ...
3495         * tree-ssa-structalias.c (struct fieldoff): ... here.  Remove
3496         alias_set and base_for_components fields.
3497         (sort_fieldstack): Make static.
3498         (push_fields_onto_fieldstack): Likewise.  Remove code that
3499         handles anything but RECORD_TYPEs.  Remove alias_set and
3500         base_for_components handling.
3501         (create_variable_info_for): Adjust.
3502
3503 2008-05-08  Seongbae Park  <seongbae.park@gmail.com>
3504
3505         * common.opt (Wframe-larger-than=): Shorten the help message
3506         to one line.
3507         * doc/invoke.texi (Wframe-larger-than=): Add more description.
3508
3509 2008-05-08  Rafael Espindola  <espindola@google.com>
3510
3511         * tree-complex.c (expand_complex_div_wide): Don't create CONDs that
3512         trap.
3513         * tree-gimple.c (is_gimple_condexpr): Check that the expression doesn't
3514         trap and that both operands are gimple values.
3515         (canonicalize_cond_expr_cond): Use is_gimple_condexpr.
3516         * gcc/tree-eh.c (tree_could_trap_p): Correctly detect if a comparison
3517         is a fp operation.
3518
3519 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
3520
3521         * read-rtl.c (join_c_conditions): Return the first string if the
3522         two strings are equal.
3523
3524 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
3525
3526         * gensupport.h (pred_data): Add a "num_codes" field.
3527         (add_predicate_code): Declare.
3528         * gensupport.c (add_predicate_code): New function.
3529         (std_pred_table): Add an "allows_const_p" field.
3530         (std_preds): Set this field for predicates that allow RTX_CONST_OBJs.
3531         Remove the (incomplete) list of such codes from the codes field.
3532         (init_predicate_table): Use add_predicate_code.  Add all
3533         RTX_CONST_OBJs if allows_const_p is true.
3534         * genrecog.c (process_define_predicate): Use add_predicate_code.
3535
3536 2008-05-08  David Daney  <ddaney@avtrex.com>
3537             Richard Sandiford  <rsandifo@nildram.co.uk>
3538         
3539         * config/mips/mips.md (mips_expand_compare_and_swap_12): Handle
3540         special case of constant zero operands.
3541         * config/mips/mips.c (mips_expand_compare_and_swap_12): Zero extend
3542         old and new values.  Special case constant zero values.
3543         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP): Skip 'sync' if compare
3544         fails.
3545         (MIPS_COMPARE_AND_SWAP_12): Handle constant zero operands.
3546         (MIPS_COMPARE_AND_SWAP_12_0): New macro.
3547
3548 2008-05-08  Paolo Bonzini  <bonzini@gnu.org>
3549
3550         PR target/36090
3551         * simplify-rtx.c (simplify_plus_minus): Create CONST of
3552         similar RTX_CONST_OBJ before CONST_INT.
3553
3554 2008-05-08  Steve Ellcey  <sje@cup.hp.com>
3555
3556         * stmt.c (expand_stack_restore): Change sa mode if needed.
3557
3558 2008-05-08  Richard Guenther  <rguenther@suse.de>
3559
3560         * config/i386/i386-protos.h (ix86_return_in_memory): Adjust
3561         return type to bool.
3562         (ix86_sol10_return_in_memory): Likewise.
3563         (ix86_i386elf_return_in_memory): Likewise.
3564         (ix86_i386interix_return_in_memory): Likewise.
3565         * config/i386/i386.c (ix86_return_in_memory): Likewise.
3566         (ix86_sol10_return_in_memory): Likewise.
3567         (ix86_i386elf_return_in_memory): Likewise.
3568         (ix86_i386interix_return_in_memory): Likewise.
3569
3570 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
3571
3572         PR bootstrap/36180
3573         * calls.c (compute_argument_block_size ): Add ATTRIBUTE_UNUSED to
3574         fndecl argument.
3575         (emit_library_call_value_1): Add ATTRIBUTE_UNUSED to variable fndecl.
3576         * target-def.h: Check that TARGET_RETURN_IN_MEMORY isn't
3577         declared in front.
3578
3579 2008-05-08  Richard Guenther  <rguenther@suse.de>
3580
3581         * tree-data-ref.c (dr_analyze_alias): Do not set DR_SUBVARS.
3582         * tree-data-ref.h (struct dr_alias): Remove subvars field.
3583         (DR_SUBVARS): Remove.
3584         * tree-dfa.c (dump_subvars_for): Remove.
3585         (debug_subvars_for): Likewise.
3586         (dump_variable): Do not dump subvars.
3587         (remove_referenced_var): Do not remove subvars.
3588         * tree-flow-inline.h (clear_call_clobbered): SFTs no longer exist.
3589         (lookup_subvars_for_var): Remove.
3590         (get_subvars_for_var): Likewise.
3591         (get_subvars_at): Likewise.
3592         (get_first_overlapping_subvar): Likewise.
3593         (overlap_subvar): Likewise.
3594         * tree-flow.h (subvar_t): Remove.
3595         (struct var_ann_d): Remove subvars field.
3596         * tree-ssa-alias.c (mark_aliases_call_clobbered): Remove queued
3597         argument.  Remove special handling of SFTs.
3598         (compute_tag_properties): Likewise.
3599         (set_initial_properties): Likewise.
3600         (compute_call_clobbered): Likewise.
3601         (count_mem_refs): Likewise.
3602         (compute_memory_partitions): Likewise.
3603         (compute_flow_insensitive_aliasing): Likewise.
3604         (setup_pointers_and_addressables): Likewise.
3605         (new_type_alias): Likewise.
3606         (struct used_part): Remove.
3607         (used_portions): Likewise.
3608         (struct used_part_map): Likewise.
3609         (used_part_map_eq): Likewise.
3610         (used_part_map_hash): Likewise.
3611         (free_used_part_map): Likewise.
3612         (up_lookup): Likewise.
3613         (up_insert): Likewise.
3614         (get_or_create_used_part_for): Likewise.
3615         (create_sft): Likewise.
3616         (create_overlap_variables_for): Likewise.
3617         (find_used_portions): Likewise.
3618         (create_structure_vars): Likewise.
3619         * tree.def (STRUCT_FIELD_TAG): Remove.
3620         * tree.h (MTAG_P): Adjust.
3621         (struct tree_memory_tag): Remove base_for_components and
3622         unpartitionable flags.
3623         (struct tree_struct_field_tag): Remove.
3624         (SFT_PARENT_VAR): Likewise.
3625         (SFT_OFFSET): Likewise.
3626         (SFT_SIZE): Likewise.
3627         (SFT_NONADDRESSABLE_P): Likewise.
3628         (SFT_ALIAS_SET): Likewise.
3629         (SFT_UNPARTITIONABLE_P): Likewise.
3630         (SFT_BASE_FOR_COMPONENTS_P): Likewise.
3631         (union tree_node): Remove sft field.
3632         * alias.c (get_alias_set): Remove special handling of SFTs.
3633         * print-tree.c (print_node): Remove handling of SFTs.
3634         * tree-dump.c (dequeue_and_dump): Likewise.
3635         * tree-into-ssa.c (mark_sym_for_renaming): Likewise.
3636         * tree-nrv.c (dest_safe_for_nrv_p): Remove special handling of SFTs.
3637         * tree-predcom.c (set_alias_info): Do not set subvars.
3638         * tree-pretty-print.c (dump_generic_node): Do not handle SFTs.
3639         * tree-ssa-loop-ivopts.c (get_ref_tag): Likewise.
3640         * tree-ssa-operands.c (access_can_touch_variable): Likewise.
3641         (add_vars_for_offset): Remove.
3642         (add_virtual_operand): Remove special handling of SFTs.
3643         (add_call_clobber_ops): Likewise.
3644         (add_call_read_ops): Likewise.
3645         (get_asm_expr_operands): Likewise.
3646         (get_modify_stmt_operands): Likewise.
3647         (get_expr_operands): Likewise.
3648         (add_to_addressable_set): Likewise.
3649         * tree-ssa.c (verify_ssa_name): Do not handle SFTs.
3650         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
3651         * tree-vect-transform.c (vect_create_data_ref_ptr): Do not set subvars.
3652         * tree.c (init_ttree): Remove STRUCT_FIELD_TAG initialization.
3653         (tree_code_size): Remove STRUCT_FIELD_TAG handling.
3654         (tree_node_structure): Likewise.
3655         * tree-ssa-structalias.c (set_uids_in_ptset): Remove special
3656         handling of SFTs.
3657         (find_what_p_points_to): Likewise.
3658
3659 2008-05-08  Sa Liu  <saliu@de.ibm.com>
3660
3661         * config/spu/spu.md: Fixed subti3 pattern.
3662
3663 2008-05-08  Richard Guenther  <rguenther@suse.de>
3664
3665         PR middle-end/36154
3666         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
3667         sure to create a representative for trailing arrays for PTA.
3668
3669 2008-05-08  Richard Guenther  <rguenther@suse.de>
3670
3671         PR middle-end/36172
3672         * fold-const.c (operand_equal_p): Two objects which types
3673         differ in pointerness are not equal.
3674
3675 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
3676
3677         * calls.c (compute_argument_block_size): Add argument tree fndecl.
3678         (OUTGOING_REG_PARM_STACK_SPACE): Add function type argument.
3679         (emit_library_call_value_1): Add new variable fndecl initialized by
3680         NULL_TREE. It should be the decl type of orgfun, but this information
3681         seems not to be available here, so it uses the default calling abi.
3682         * config/arm/arm.c (arm_return_in_memory): Add fntype argumen.
3683         * config/arm/arm.h (RETURN_IN_MEMORY): Replace RETURN_IN_MEMORY
3684         by TARGET_RETURN_IN_MEMORY.
3685         * config/i386/i386-interix.h: Likewise.
3686         * config/i386/i386.h: Likewise.
3687         * config/i386/i386elf.h: Likewise.
3688         * config/i386/ptx4-i.h: Likewise.
3689         * config/i386/sol2-10.h: Likewise.
3690         * config/i386/sysv4.h: Likewise.
3691         * config/i386/vx-common.h: Likewise.
3692         * config/cris/cris.h: Removed #if 0 clause.
3693         * config/arm/arm-protos.h (arm_return_in_memory): Add fntype argument.
3694         * config/i386/i386-protos.h (ix86_return_in_memory): Add fntype
3695         argument.
3696         (ix86_sol10_return_in_memory): Likewise.
3697         (ix86_i386elf_return_in_memory): New.
3698         (ix86_i386interix_return_in_memory): New.
3699         * config/mt/mt-protos.h (mt_return_in_memory): New.
3700         * config/mt/mt.c: Likewise.
3701         * config/mt/mt.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
3702         (RETURN_IN_MEMORY):  Replace by TARGET_RETURN_IN_MEMORY.
3703         * config/bfin/bfin.h: Likewise.
3704         * config/bfin/bfin-protos.h (bfin_return_in_memory): Add fntype
3705         argument.
3706         * config/bfin/bfin.c: Likewise.
3707         * config/pa/pa.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
3708         * config/alpha/unicosmk.h: Likewise.
3709         * config/i386/cygming.h: Likewise.
3710         * config/iq2000/iq2000.h: Likewise.
3711         * config/mips/mips.h: Likewise.
3712         * config/mn10300/mn10300.h: Likewise.
3713         * config/rs6000/rs6000.h: Likewise.
3714         * config/score/score.h: Likewise.
3715         * config/spu/spu.h: Likewise.
3716         * config/v850/v850.h: Likewise.
3717         * defaults.h: Likewise.
3718         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Adjust documentation.
3719         * expr.c (emit_block_move): Adjust use of
3720         OUTGOING_REG_PARM_STACK_SPACE.
3721         * function.c (STACK_DYNAMIC_OFFSET): Adjust use of
3722         OUTGOING_REG_PARM_STACK_SPACE.
3723         * targhooks.c (default_return_in_memory): Remove RETURN_IN_MEMORY.
3724
3725 2008-05-08  Jakub Jelinek  <jakub@redhat.com>
3726
3727         * tree-parloops.c (create_parallel_loop): Set OMP_RETURN_NOWAIT
3728         on OMP_RETURN for OMP_FOR.
3729
3730         PR debug/35896
3731         * dwarf2out.c (dw_expand_expr, common_check): Removed.
3732         (fortran_common): New function.
3733         (gen_variable_die): Call fortran_common instead of common_check,
3734         adjust for it returning tree instead of rtx.  Formatting.
3735
3736 2008-05-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
3737
3738         PR rtl/7335
3739         PR rtl/33826
3740         * see.c (see_copy_insn): Copy new pure const attributes for new call.
3741         * c-decl.c (merge_decls): Ditto.
3742         * postreload.c (record_opr_changes): Change CONST_OR_PURE_CALL_P
3743         to RTL_CONST_OR_PURE_CALL_P.
3744         * tree.c (define_local_buitin): Rename DECL_IS_PURE to DECL_PURE_P.
3745         Initialized DECL_LOOPING_CONST_PURE.
3746         (process_call_operands): Set tree_side_effects properly.
3747         * tree.h (TREE_READONLY_DECL_P): Removed.
3748         (DECL_IS_PURE): Renamed to DECL_PURE_P.
3749         (DECL_LOOPING_OR_CONST_P): New macro.
3750         (struct tree_function_decl): Added looping_const_or_pure_p.
3751         (ECF_*) Renumbered.
3752         (ECF_LOOPING_OR_CONST_P): New macro.
3753         * rtlanal.c (pure_const_p): Removed.
3754         * builtins.c (expand_builtin): Rename DECL_IS_PURE to DECL_PURE_P.
3755         * reorg.c (delete_prior_computation) Changed CONST_OR_PURE_CALL_P
3756         to RTL_CONST_CALL_P.
3757         * ipa-pure-const.c (pure_const_state_e): Added looping field.
3758         (check_decl, check_tree, check_call, scan_function): Initialize
3759         looping.
3760         (analyze_function): Rename DECL_IS_PURE to DECL_PURE_P.
3761         (static_execute): Set looping true for recursive functions.
3762         Undo setting state to IPA_NEITHER for recursive functions.
3763         * cse.c (cse_insn): 
3764         * ifcvt.c (noce_can_store_speculate_p): Changed
3765         CONST_OR_PURE_CALL_P and pure_call_p to RTL_CONST_CALL_P or 
3766         RTL_CONST_OR_PURE_CALL_P.
3767         * dse.c (scan_insn): Ditto.
3768         * local-alloc.c (validate_equiv_mem, memref_used_between_p): Ditto.
3769         * gcse.c (oprs_not_seen_p) Changed CONST_OR_PURE_CALL_P to
3770         RTL_CONST_OR_PURE_CALL_P.
3771         (store_killed_in_insn): Changed CONST_OR_PURE_CALL_P and
3772         pure_call_p to RTL_CONST_CALL_P.
3773         * gimplify.c (gimplify_call_expr): Clear side effects for
3774         non-looping pure and constant calls.
3775         * calls.c (emit_call_1): Set rtl flags from ecf flags.
3776         (flags_from_decl_or_type): Set ecf flags from decl flags.
3777         (initialize_argument_information): Turn off
3778         ECF_LOOPING_CONST_OR_PURE when turning off ECF_CONST.
3779         Change const to pure if callee_copies is true rather than just
3780         turning off const.
3781         (expand_call): Turn off ECF_LOOPING_PURE_CONST_CALL and remove old
3782         way of marking pure calls.
3783         (emit_library_call_value_1): Turn off ECF_LOOPING_PURE_CONST_CALL.
3784         Remove hack that was supposed to fix pr7335 and remove old
3785         way of marking pure calls.
3786         * emit-rtl.c (emit_copy_of_insn_after): Copy RTL_CONST_CALL_P,
3787         RTL_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P.
3788         * cselib.c (cselib_process_insn): Changed CONST_OR_PURE_CALL_P to
3789         RTL_CONST_OR_PURE_CALL_P.
3790         * tree-ssa-pre.c (can_value_number_call): Fixed spacing.
3791         * loop-invariant.c (find_exits, find_invariant_bb): Changed
3792         CONST_OR_PURE_CALL_P to RTL_CONST_OR_PURE_CALL_P.
3793         * sched-deps.c (schedule_analyze): Ditto.
3794         * rtl.h (struct rtx_def): Use call field, unchanging field, and
3795         return_val field of calls to represent pure and const function info.
3796         (CONST_OR_PURE_CALL_P): Deleted macro.
3797         (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
3798         RTL_LOOPING_CONST_OR_PURE_CALL_P, RTL_CONST_OR_PURE_P): New macros.
3799         * tree-inline.c (copy_body_r): Changed TREE_READONLY_DECL_P to
3800         TREE_READONLY.
3801         * tree-optimize.c (execute_fixup_cfg): Added test for
3802         ECF_LOOPING_CONST_OR_PURE.
3803         * c-common.c (handle_pure_attribute): Changed DECL_IS_PURE to
3804         DECL_PURE_P.
3805         * tree-cfg.c (update_call_expr_flags): Do not clear tree side
3806         effects for looping pure or const calls.
3807         (verify_gimple_expr): Added verification code. 
3808         * config/alpha/alpha.c (alpha_legitimize_address,
3809         alpha_emit_xfloating_libcall): Changed CONST_OR_PURE_CALL_P to
3810         RTL_CONST_CALL_P.
3811         * config/s390/s390.c (s390_emit_tls_call_insn): Ditto.
3812         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Ditto.
3813         * config/mips/mips.c (mips_call_tls_get_addr): Ditto.
3814         * cfgrtl.c (need_fake_edge_p): Changed CONST_OR_PURE_CALL_P to
3815         RTL_CONST_OR_PURE_CALL_P.
3816         * dce.c (deletable_insn_p): Allow non looping, non sibling, pure
3817         and const calls to be deleted.
3818
3819 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
3820
3821         PR target/35714
3822         * config/i386/mmx.md (mmx_subv2sf3): New expander.
3823         (*mmx_subv2sf3): Rename from mmx_subv2sf3 insn pattern.
3824         (*mmx_eqv2sf3): Rename from mmx_eqv2sf3 insn pattern.
3825         (mmx_eqv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
3826         to handle nonimmediate operands.
3827         (*mmx_paddwd): Rename from mmx_paddwd insn pattern.
3828         (mmx_paddwd): New expander.  Use ix86_fixup_binary_operands_no_copy
3829         to handle nonimmediate operands.
3830         (*mmx_pmulhrwv4hi3): Rename from mmx_pmulhrwv4hi3 insn pattern.
3831         (mmx_pmulhrwv4hi3): New expander.  Use
3832         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3833         (*sse2_umulv1siv1di3): Rename from sse2_umulv1siv1di3 insn pattern.
3834         (sse2_umulv1siv1di3): New expander.  Use
3835         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3836         (*mmx_eq<mode>3): Rename from mmx_eq<mode>3 insn pattern.
3837         (mmx_eq<mode>3): New expander.  Use
3838         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3839         (*mmx_uavgv8qi3): Rename from mmx_uavgv8qi3 insn pattern.
3840         (mmx_uavgv8qi3): New expander.  Use
3841         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3842         (*mmx_uavgv4hi3): Rename from mmx_uavgv4hi3 insn pattern.
3843         (mmx_uavgv4hi3): New expander.  Use
3844         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3845
3846         * config/i386/sse.md
3847         (sse_movhlps_exp): New expander.  Use ix86_fixup_binary_operands
3848         to handle nonimmediate operands.
3849         (sse_movlhps_exp): New expander.  Use ix86_fixup_binary_operands
3850         to handle nonimmediate operands.
3851         (sse_loadhps_exp): New expander.  Use ix86_fixup_binary_operands
3852         to handle nonimmediate operands.
3853         (sse_loadlps_exp): New expander.  Use ix86_fixup_binary_operands
3854         to handle nonimmediate operands.
3855         (sse2_unpckhpd_exp): New expander.  Use
3856         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3857         (sse2_unpcklpd_exp): New expander.  Use
3858         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3859         (sse_loadhpd_exp): New expander.  Use ix86_fixup_binary_operands
3860         to handle nonimmediate operands.
3861         (sse_loadlpd): New expander.  Use ix86_fixup_binary_operands
3862         to handle nonimmediate operands.
3863         (*sse2_<plusminus_insn><mode>3): Rename from
3864         sse2_<plusminus_insn><mode>3 insn pattern.
3865         (sse2_<plusminus_insn><mode>3): New expander.  Use
3866         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3867         (*sse2_umulv2siv2di3): Rename from sse2_umulv2siv2di3 insn pattern.
3868         (sse2_umulv2siv2di3): New expander.  Use
3869         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3870         (*sse4_1_mulv2siv2di3): Rename from sse4_1_mulv2siv2di3 insn pattern.
3871         (sse4_1_mulv2siv2di3): New expander.  Use
3872         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3873         (*sse2_pmaddwd): Rename from sse2_pmaddwd insn pattern.
3874         (sse2_pmaddwd): New expander.  Use
3875         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3876         (*sse2_eq<mode>3): Rename from sse2_eq<mode>3 insn pattern.
3877         (sse2_eq<mode>3): New expander.  Use
3878         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3879         (*sse4_1_eqv2di3): Rename from sse4_1_eqv2di3 insn pattern.
3880         (sse4_1_eqv2di3): New expander.  Use
3881         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3882         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
3883         (sse2_uavgv16qi3): New expander.  Use
3884         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3885         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
3886         (sse2_uavgv16qi3): New expander.  Use
3887         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3888         (*sse2_uavgv8hi3): Rename from sse2_uavgv8hi3 insn pattern.
3889         (sse2_uavgv8hi3): New expander.  Use
3890         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3891         (*ssse3_pmulhrswv8hi3): Rename from ssse3_pmulhrswv8hi3 insn pattern.
3892         (ssse3_pmulhrswv8hi3): New expander.  Use
3893         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3894         (*ssse3_pmulhrswv4hi3): Rename from ssse3_pmulhrswv4hi3 insn pattern.
3895         (ssse3_pmulhrswv4hi3): New expander.  Use
3896         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3897
3898         (<sse>_vm<plusminus_insn><mode>3): Do not use ix86_binary_operator_ok.
3899         (<sse>_vmmul<mode>3): Ditto.
3900         (divv4sf3): Do not use ix86_fixup_binary_operands_no_copy.
3901         (divv2df3): Ditto.
3902         (ssse3_pmaddubsw128): Use register_operand for operand 1.
3903         (ssse3_pmaddubsw): Ditto.
3904
3905         * config/i386/i386.c (struct_builtin_description)
3906         [IX86_BUILTIN_LOADHPS]: Use CODE_FOR_sse_loadhps_exp.
3907         [IX86_BUILTIN_STOREHPS]: Use CODE_FOR_sse_loadlps_exp.
3908         [IX86_BUILTIN_LOADHPD]: Use CODE_FOR_sse2_loadhpd_exp.
3909         [IX86_BUILTIN_LOADLPD]: Use CODE_FOR_sse2_loadlpd_exp.
3910         [IX86_BUILTIN_MOVHLPS]: Use CODE_FOR_sse_movhlps_exp.
3911         [IX86_BUILTIN_MOVLHPS]: Use CODE_FOR_sse_movlhps_exp.
3912         [IX86_BUILTIN_UNPCKHPD]: Use FOR_sse2_unpckhpd_exp.
3913         [IX86_BUILTIN_UNPCKLPD]: Use FOR_sse2_unpcklpd_exp.
3914         (ix86_fixup_binary_operands): Assert that src1
3915         and src2 must have the same mode when swapped.
3916         (ix86_expand_binop_builtin): Do not use ix86_fixup_binary_operands
3917         and ix86_binary_operator_ok.  Do not force operands in registers
3918         when optimizing.
3919
3920 2008-05-07  Jan Hubicka  <jh@suse.cz>
3921
3922         * cgraph.c (dump_cgraph_node): Update.
3923         * cgraph.h (cgraph_local_info): Break out inline summary.
3924         * cgraphunit.c (cgraph_process_new_functions): Use inliner analysis
3925         hook.
3926         * ipa-inline (inline_summary): New accestor function.
3927         (cgraph_clone_inlined_nodes, cgraph_check_inline_limits,
3928         cgraph_decide_inlining, compute_inline_parameters): Update.
3929         * ipa.c (cgraph_remove_unreachable_nodes): Remove statistics.
3930
3931 2008-05-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
3932
3933         Cleanup ColdFire scheduling support and add V4 pipeline model.
3934
3935         * config/m68k/m68k.md (UNSPEC_TIE): New constant.
3936         (define_attr cpu): Add cfv4 value.
3937         (define_attr type, define_attr type1): Merge into a single 'type'
3938         attribute.  Update all uses.
3939         (define_attr opx_type, define_attr opy_type, define_attr opx_access):
3940         Rearrange and update.  Rename value 'reg' to 'Rn', add value 'FPn'.
3941         Update all uses.
3942         (define_attr opx_mem, define_attr opy_mem): Remove.
3943         (define_attr op_mem): Clean up, update comment.
3944         (define_attr size): Use specific values instead of general int.
3945         (define_attr guess, define_attr split): Remove.  Update all uses.
3946         (movdf_internal, tstsi_internal, tsthi_internal, tstqi_internal,
3947         tst<mode>_68881, pushexthisi_const, movsi_const0_68000_10,
3948         movsi_const0_68040_60, movsi_const0, movsi_cf, movstrictqi_cf,
3949         zero_extendhisi2_cf, zero_extendqisi2_cfv4, cfv4_extendhisi2,
3950         68k_extendhisi2, extendqihi2, cfv4_extendqisi2, 68k_extendqisi2,
3951         floatsi<mode>2_68881, ftrunc<mode>2_68881, ftrunc<mode>2_cf,
3952         fix<mode>qi2_68881, fix<mode>hi2_68881, fix<mode>si2_68881,
3953         adddi_dishl32, addsi3_5200, add<mode>3_floatsi_68881,
3954         add<mode>3_floathi_68881, add<mode>3_floatqi_68881,
3955         add<mode>3_68881, add<mode>3_cf, subdi_dishl32, subsi3,
3956         sub<mode>3_floatsi_68881, sub<mode>3_floathi_68881,
3957         sub<mode>3_floatqi_68881, sub<mode>3_68881, sub<mode>3_cf,
3958         mulhi3, mulhisi3, mulhisisi3_s, mulsi3_68020, mulsi3_cf,
3959         umulhisi3, mulhisisi3_z, mul<mode>3_floatsi_68881,
3960         mul<mode>3_floathi_68881, mul<mode>3_floatqi_68881, fmul<mode>3_cf,
3961         div<mode>3_cf, sqrt<mode>2_cf, abs<mode>2_cf, clzsi2,
3962         one_cmplsi2_5200, subreghi1ashrdi_const32, ashrsi3, lshrsi3,
3963         bsetmemqi, bsetmemqi_ext, bclrmemqi, bclrmemqi_ext,
3964         beq, bne, bgt, blt, bordered, bunordered, buneq, bunge, bungt, bunle,
3965         bunlt, bltgt, tablejump_internal, call, non_symbolic_call_value,
3966         symbolic_call_value_jsr, symbolic_call_value_bsr, link):
3967         Update or set attributes.
3968         (stack_tie): New fake instruction.
3969
3970         * config/m68k/m68k.h (TUNE_CFV4): New macro.
3971         (m68k_sched_attr_size): Update declaration.
3972         (m68k_sched_attr_type2): Remove.
3973         (m68k_sched_address_bypass_p, m68k_sched_indexed_address_bypass_p):
3974         Declare new bypass predicates.
3975
3976         * config/m68k/m68k.c (m68k_sched_issue_rate,
3977         m68k_sched_first_cycle_multipass_dfa_lookahead): Declare hook
3978         implementations.
3979         (TARGET_SCHED_ISSUE_RATE,
3980         TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): Override hooks.
3981         (override_options): Handle scheduling for ColdFire V4 core.
3982         (m68k_expand_prologue): Emit stack_tie.
3983         (enum attr_op_type): Split value 'OP_TYPE_REG' to 'OP_TYPE_RN' and
3984         'OP_TYPE_FPN'.  Update all uses.
3985         (sched_guess_p): Remove.
3986         (sched_address_type): Handle symbolic addresses.
3987         (sched_get_operand): New static function.
3988         (sched_operand_type): Merge into sched_attr_op_type.
3989         (sched_attr_op_type): Handle FP registers, handle quick constants,
3990         update.
3991         (m68k_sched_attr_opx_type, m68k_sched_attr_opy_type): Update.
3992         (m68k_sched_attr_size): Update.  Move logic to ...
3993         (sched_get_attr_size_int): New static function.
3994         (sched_get_opxy_mem_type): New static function.
3995         (m68k_sched_attr_op_mem): Update.
3996         (m68k_sched_attr_type2): Remove.
3997         (sched_cfv4_bypass_data): New static variable.
3998         (m68k_sched_adjust_cost): Handle ColdFire V4 bypass.
3999         (m68k_sched_issue_rate): Implement scheduler hook.
4000         (struct _sched_ib: enabled_p): New field.
4001         (m68k_sched_variable_issue): Update.  Handle V4.
4002         (SCHED_DUMP_TODO, SCHED_DUMP_DONE, SCHED_DUMP_NOTHING,
4003         sched_dump_class_func_t, sched_dump_split_class,
4004         sched_dump_dfa_guess_unit_code, sched_dump_dfa_state,
4005         sched_dump_dfa_class, m68k_sched_dump): Remove.
4006         (m68k_sched_first_cycle_multipass_dfa_lookahead): Implement scheduler
4007         hook.
4008         (m68k_sched_init_global): Remove statisctics dumping, introduce
4009         sanity check that all instructions have pipeline reservations.  Handle
4010         ColdFire V4 core.
4011         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
4012         Handle ColdFire V4 core.
4013         (sched_mem_operand_p, sched_get_reg_operand, sched_get_mem_operand):
4014         New static functions.
4015         (m68k_sched_address_bypass_p): New bypass predicate.
4016         (sched_get_indexed_address_scale): New static function.
4017         (m68k_sched_indexed_address_bypass_p): New bypass predicate.
4018
4019         * cf.md: Update comments.
4020         (define_attr type2): Remove.  Use 'type' attribute instead.
4021         Update all uses.
4022         (cf_ib): Rename to cfv123_ib.  Update all uses.
4023         (cf_oep): Rename to cfv123_oep.  Update all uses.
4024         (cf_chr): Rename to cfv123_chr.  Update all uses.
4025         (cf_mem): Rename to cfv123_mem.  Update all uses.
4026         (cf_mac): Move to more appropriate place.
4027         (cfv123_guess): New automaton and cpu_unit.
4028         (cfv123_*, cfv12_*, cfv1_*, cfv2_*, cfv3_*): Use type attribute.
4029         Update uses of 'size' attribute.  Handle before reload scheduling.
4030         (cfv123_guess): New dummy reservation for unhandled instructions.
4031         (cfv4_*): Pipeline description of ColdFire V4 core.
4032         (ignore): New reservation to handle 'ignore' type.
4033
4034 2008-05-07  Ian Lance Taylor  <iant@google.com>
4035
4036         PR middle-end/36013
4037         * gimplify.c (find_single_pointer_decl_1): Don't look through
4038         indirections.
4039         (find_single_pointer_decl): Adjust comments.
4040
4041 2008-05-07  Jakub Jelinek  <jakub@redhat.com>
4042
4043         PR middle-end/36137
4044         * fold-const.c (fold_binary): Use STRIP_SIGN_NOPS instead of
4045         STRIP_NOPS on arguments even for MIN_EXPR and MAX_EXPR.
4046
4047         PR middle-end/36106
4048         * omp-low.c (expand_omp_atomic_pipeline): Load value using the
4049         integral type rather than floating point, then VIEW_CONVERT_EXPR
4050         to the floating point type.
4051
4052 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
4053
4054         * config/i386/i386.c (ix86_expand_copysign): Force non-zero constant
4055         TFmode op0 to register.
4056
4057 2008-05-07  Alan Modra  <amodra@bigpond.net.au>
4058
4059         * c-decl.c (grokdeclarator): Comment typo.
4060
4061 2008-05-06  Aldy Hernandez  <aldyh@redhat.com>
4062
4063         * tree-flow.h: Remove prototype for computed_goto_p.
4064         * tree-cfg.c (computed_goto_p): Make static.
4065
4066 2008-05-06  H.J. Lu  <hongjiu.lu@intel.com>
4067
4068         PR target/35657
4069         * config/i386/i386.c (contains_128bit_aligned_vector_p): Renamed to ...
4070         (contains_aligned_value_p): This.  Handle _Decimal128.
4071         (ix86_function_arg_boundary): Only align _Decimal128 to its
4072         natural boundary and handle it properly.
4073
4074 2008-05-06  Martin Jambor  <mjambor@suse.cz>
4075
4076         * ipa-cp.c (ipcp_method_orig_node): Renamed to ipcp_get_orig_node.
4077         (ipcp_method_is_cloned): Renamed to ipcp_node_is_clone
4078         (ipcp_method_set_orig_node): Removed.
4079         (ipcp_cval_get_cvalue_type): Removed.
4080         (ipcp_method_get_scale): Renamed to ipcp_get_node_scale.
4081         (ipcp_method_set_scale): Renamed to ipcp_set_node_scale.
4082         (ipcp_cval_set_cvalue_type): Removed.
4083         (ipcp_cval_get_cvalue): Removed.
4084         (ipcp_cval_set_cvalue): Removed.
4085         (ipcp_type_is_const): Renamed to ipcp_lat_is_const.
4086         (ipcp_cval_equal_cvalues): Renamed to ipcp_lats_are_equal
4087         (ipcp_lats_are_equal): Changed parameters to two ipcp_lattice's
4088         (ipcp_cval_meet): Renamed to ipa_lattice_meet
4089         (ipcp_cval_changed): Changed to use ipcp_lat_is_const
4090         (ipcp_method_cval): Renamed to ipcp_get_ith_lattice
4091         (ipcp_get_ith_lattice): Changed parameters.
4092         (ipcp_cval_compute): Renamed to ipcp_lattice_from_jfunc
4093         (ipcp_lattice_from_jfunc): Changed parameters.
4094         (ipcp_redirect): Local lattice pointer instead of lattice type variable.
4095         (ipcp_method_cval_print): Added temporary variable info.
4096         (ipcp_redirect): Removed already unused local variable caller.
4097         (ipcp_redirect): New temporary variable orig_callee_info
4098         (ipcp_redirect): Removed newly unused local variable callee.
4099         (ipcp_redirect): Removed (a bit confusing) local variable type.
4100         (ipcp_insert_stage): Added local variable info.
4101         (ipcp_cval_changed): Renamed to ipcp_lattice_changed, parameters 
4102         renamed too
4103         (ipcp_formal_create): Removed.
4104         (ipcp_method_cval_set): Removed.
4105         (ipcp_propagate_stage): Renamed lattice variables.
4106         (ipcp_method_cval_set_cvalue_type): Removed.
4107         (ipcp_method_cval_print): Renamed to ipcp_print_all_lattices
4108         (ipcp_print_all_lattices): Changed printed strings to refer to 
4109         lattices rather than cvals.
4110         (ipcp_method_cval_init): Renamed to ipcp_initialize_node_lattices
4111         (ipcp_propagate_const): Changed formal parameters.
4112         (build_const_val): Changed formal parameters.
4113         (ipcp_insert_stage): Removed useless variable cvalue
4114         (build_const_val): Changed formal parameters.
4115         (ipcp_method_compute_scale): Renamed to ipcp_compute_node_scale
4116         (ipcp_after_propagate): Renamed to ipcp_change_tops_to_bottom
4117         (ipcp_callsite_param_print): Renamed to ipcp_print_all_jump_functions
4118         (ipcp_profile_mt_count_print): Renamed to ipcp_print_func_profile_counts
4119         (ipcp_print_func_profile_counts): Changed string from "method" to 
4120         "function"
4121         (ipcp_profile_cs_count_print): Renamed to ipcp_print_call_profile_counts
4122         (ipcp_profile_edge_print): Renamed to ipcp_print_edge_profiles
4123         (ipcp_profile_bb_print): Renamed to ipcp_print_bb_profiles
4124         (ipcp_structures_print): Renamed to ipcp_print_all_structures
4125         (ipcp_profile_print): Renamed to ipcp_print_profile_data
4126         (ipcp_lat_is_const): Changed parameters and made inline.
4127         (ipcp_replace_map_create): Renamed to ipcp_create_replace_map
4128         (ipcp_redirect): Renamed to ipcp_need_redirect_p
4129         (ipcp_need_redirect_p): Calls ipcp_lat_is_const instead of using 
4130         the predicate condition directly
4131         (ipcp_propagate_stage): Added local variable args. Removed local
4132         variable callee.  (Both are mere code simplifications.)
4133         (ipcp_method_dont_insert_const): Renamed to
4134         ipcp_node_not_modifiable_p.
4135         (ipcp_node_not_modifiable_p): Made inline.
4136         (ipcp_cloned_create): Renamed to ipcp_init_cloned_node
4137         (ipcp_propagate_const): Renamed to ipcp_propagate_one_const
4138         (ipcp_print_all_lattices): Removed variable cvalue
4139         (ipcp_method_scale_print): Renamed to ipcp_function_scale_print
4140         Updated comments.
4141
4142 2008-05-06  Olivier Hainque  <hainque@adacore.com>
4143
4144         * tree-sra.c (try_instantiate_multiple_fields): Early return
4145         if field has POINTER_TYPE.
4146
4147 2008-05-06  Kai Tietz  <kai.tietz@onevision.com>
4148
4149         * config/i386/i386.c (output_set_got): Fix for x86_64 output_emit_asm
4150         by using 'q' specifier for instruction.
4151         (ix86_file_end): Replaced case TARGET_64BIT_MS_ABI by TARGET_64BIT.
4152
4153 2008-05-06  Anatoly Sokolov <aesok@post.ru>
4154
4155         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
4156         Change mode of zero_extract from QImode to HImode.
4157         (sign bit tests peepholes): (Ditto.).
4158
4159 2008-05-06  Uros Bizjak  <ubizjak@gmail.com>
4160
4161         * config/i386/mmx.md: Remove double backslashes from asm templates.
4162         (*mmx_addv2sf3): Rename from mmx_addv2sf3 insn pattern.
4163         (mmx_addv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
4164         to handle nonimmediate operands.
4165         (*mmx_mulv2sf3): Rename from mmx_mulv2sf3 insn pattern.
4166         (mmx_mulv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
4167         to handle nonimmediate operands.
4168         (*mmx_<code>v2sf3_finite): New insn pattern.
4169         (*mmx_<code>v2sf3): Rename from mmx_<code>v2sf3 insn pattern.
4170         (mmx_<code>v2sf3): New expander.  Use
4171         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4172         (mmx_<plusminus_insn><mode>3): New expander.  Use
4173         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4174         (*mmx_<plusminus_insn><mode>3): New insn pattern.
4175         (mmx_add<mode>3): Removed.
4176         (mmx_ssadd<mode>3): Ditto.
4177         (mmx_usadd<mode>3): Ditto.
4178         (mmx_sub<mode>3): Ditto.
4179         (mmx_sssub<mode>3): Ditto.
4180         (mmx_ussub<mode>3): Ditto.
4181         (*mmx_mulv4hi3): Rename from mmx_mulv4hi3 insn pattern.
4182         (mmx_mulv4hi3): New expander.  Use ix86_fixup_binary_operands_no_copy
4183         to handle nonimmediate operands.
4184         (*mmx_smulv4hi3_highpart): Rename from mmx_smulv4hi3_highpart
4185         insn pattern.
4186         (mmx_smulv4hi3_highpart): New expander.  Use
4187         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4188         (*mmx_umulv4hi3_highpart): Rename from mmx_umulv4hi3_highpart
4189         insn pattern.
4190         (mmx_umulv4hi3_highpart): New expander.  Use
4191         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4192         (*mmx_<code>v4hi3): Rename from mmx_<code>v4hi3 insn pattern.
4193         (mmx_<code>v4hi3): New expander.  Use
4194         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4195         (*mmx_<code>v8qi3): Rename from mmx_<code>v8qi3 insn pattern.
4196         (mmx_<code>v8qi3): New expander.  Use
4197         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4198         (*mmx_<code><mode>3): Rename from mmx_<code><mode>3 insn pattern.
4199         (mmx_<code><mode>3): New expander.  Use
4200         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4201
4202 2008-05-05  Jan Hubicka  <jh@suse.cz>
4203
4204         PR tree-optimization/36118
4205         * passes.c (pass_init_dump_file): Fix dump header.
4206
4207 2008-05-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4208
4209         PR middle-end/36141
4210         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Don't create
4211         VCE for function decls.
4212
4213 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
4214
4215         * config/i386/sse.md (sse2_<plusminus_insn><mode>3): Fix a typo.
4216
4217 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
4218
4219         * config/i386/i386.md (sat_plusminus): New.
4220         (plusminus_insn): Likewise.
4221         (plusminus_mnemonic): Likewise.
4222         (addsub): Removed.
4223         (comm): Add ss_plus, us_plus, ss_minus and us_minus.
4224         (*<addsub><mode>3_cc_overflow): Renamed to ...
4225         (*<plusminus_insn><mode>3_cc_overflow): This.
4226         (*<addsub>si3_zext_cc_overflow): Renamed to ...
4227         (*<plusminus_insn>si3_zext_cc_overflow): This.
4228
4229         * config/i386/sse.md (<addsub><mode>3): Renamed to ...
4230         (<plusminus_insn><mode>3): This.
4231         (*<addsub><mode>3): Renamed to ...
4232         (*<plusminus_insn><mode>3): This.
4233         (<sse>_vm<addsub><mode>3): Renamed to ...
4234         (<sse>_vm<plusminus_insn><mode>3): This.
4235         (sse3_h<addsub>v4sf3): Renamed to ...
4236         (sse3_h<plusminus_insn>v4sf3): This.
4237         (sse3_h<addsub>v2df3): Renamed to ...
4238         (sse3_h<plusminus_insn>v2df3): This.
4239         (<plusminus_insn><mode>3): New.
4240         (*<plusminus_insn><mode>3): Likewise.
4241         (sse2_<plusminus_insn><mode>3): Likewise.
4242         (add<mode>): Removed.
4243         (*add<mode>3): Likewise.
4244         (sse2_ssadd<mode>3): Likewise.
4245         (sse2_usadd<mode>3): Likewise.
4246         (sub<mode>3): Likewise.
4247         (*sub<mode>3): Likewise.
4248         (sse2_sssub<mode>3): Likewise.
4249         (sse2_ussub<mode>3): Likewise.
4250
4251 2008-05-05  Benjamin Kosnik  <bkoz@redhat.com>
4252
4253         * gthr-single.h: Add in required interface elements as per gthr.h.
4254         Add stub types for __gthread_key_t, __gthread_once_t. Add defines
4255         for __GTHREAD_ONCE_INIT, __GTHREAD_RECURSIVE_MUTEX_INIT.
4256         Generalize UNUSED macro. 
4257         (__gthread_once): Add.
4258         (__gthread_key_create): Add.
4259         (__gthread_key_delete): Add.
4260         (__gthread_getspecific): Add.
4261         (__gthread_setspecific): Add.
4262         
4263 2008-05-05  Andrew Pinski  <Andrew.Pinski@playstation.sony.com>
4264
4265         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): If we have
4266         the same size types for the indirect reference on the rhs, then
4267         create a VCE.
4268
4269 2008-05-05  Uros Bizjak  <ubizjak@gmail.com>
4270
4271         * config/i386/i386.md
4272         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit): Use only
4273         one insn template instead of template series.
4274         (*xordi_1_rex64): Ditto.
4275         (*xordi_2_rex64): Ditto.
4276
4277 2008-05-05  Ira Rosen  <irar@il.ibm.com>
4278
4279         PR tree-optimization/36119
4280         * tree-vect-transform.c (vectorizable_assignment): Set NCOPIES to 1
4281         in case of SLP.
4282
4283 2008-06-04  Jan Hubicka  <jh@suse.cz>
4284
4285         tree-optimization/36100
4286         * tree-pass.h (pass_O0_always_inline): Declare.
4287         * ipa-inline.c (inline_transform): Remove dead code.
4288         (cgraph_gate_O0_always_inline, cgraph_O0_always_inline,
4289         pass_O0_always_inline): New.
4290         * passes.c (init_optimization_passes): Add pass_O0_always_inline.
4291
4292 2008-05-04  Kai Tietz  <kai.tietz@onevision.com>
4293
4294         * config/i386/i386.c (x86_output_mi_thunk): Use movq alternative
4295         mnemonic in this_param move for TARGET_64BIT.
4296
4297 2008-05-04  Uros Bizjak  <ubizjak@gmail.com>
4298
4299         * config/i386/i386.md (*strmovsi_1): Simplify asm alternatives.
4300         (*strmovsi_rex_1): Ditto.
4301         (*strsetsi_1): Ditto.
4302         (*strsetsi_rex_1): Ditto.
4303
4304         (add<mode>cc): Macroize expander from addqicc, addhicc, addsicc and
4305         adddicc expanders using SWI mode iterator.
4306
4307 2008-05-04  H.J. Lu  <hongjiu.lu@intel.com>
4308
4309         PR target/36121
4310         * config/i386/i386.c (ix86_expand_special_args_builtin): Remove three
4311         argument handling.
4312
4313 2008-05-04  David S. Miller  <davem@davemloft.net>
4314
4315         * config.gcc (sparc*-*-*): Always set need_64bit_hwint to yes.
4316         (sparc*-*-linux*): Use linux.h in tm_file.
4317         (sparc-*-linux*): If 'enabled_targets' is 'all', build a bi-arch
4318         compiler defaulting to 32-bit.
4319         (sparc*-*-*): Remove explicit target settings of need_64bit_hwint,
4320         no longer needed.
4321         * config/sparc/linux.h: Remove definitions now obtained
4322         properly from linux.h
4323         * config/sparc/linux64.h: Likewise.
4324         (ASM_CPU_DEFAULT_SPEC): Change this to ASM_CPU64_DEFAULT_SPEC, we
4325         don't want this setting for 32-bit builds in a biarch compiler.
4326         * doc/install.texi: Add sparc-linux to list of targets
4327         supporting --enable-targets=all.
4328
4329 2008-05-03  Andrew Pinski  <pinskia@gmail.com>
4330
4331         * Makefile.in (tree-ssa-phiprop.o): Fix dependencies.
4332
4333 2008-05-03  H.J. Lu  <hongjiu.lu@intel.com>
4334
4335         * config/i386/i386.c (ix86_builtin_type): Move V4SI_FTYPE_V4SF
4336         after V4SI_FTYPE_V8HI.
4337         (ix86_init_mmx_sse_builtins): Move case V4HI_FTYPE_V4HI after
4338         case V4SI_FTYPE_V2DF.
4339
4340 2008-05-03  Kenneth Zadeck  <zadeck@naturalbridge.com>
4341
4342         * doc/invoke.texi (max-flow-memory-locations): Removed.
4343         * params.def (PARAM_MAX_FLOW_MEMORY_LOCATIONS): Removed.
4344         
4345 2008-05-03  Richard Guenther  <rguenther@suse.de>
4346
4347         PR middle-end/34973
4348         * opts.c (set_Wstrict_aliasing): Handle the turn-off case.
4349
4350 2008-05-02  David S. Miller  <davem@davemloft.net>
4351
4352         * config.gcc (need_64bit_hwint): Document libcpp dependency.
4353
4354 2008-05-02  Simon Baldwin <simonb@google.com>
4355
4356         PR bootstrap/36108
4357         * c-common.h (warn_array_subscript_range): Removed.
4358         * c-common.c (warn_array_subscript_range): Ditto.
4359         * tree-vrp.c (check_array_ref): Revert to ignoring arrays with size 2.
4360         * c-typeck.c (build_array_ref): Remove warn_array_subscript_range.
4361
4362 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
4363
4364         * config/i386/i386.c (ix86_special_builtin_type): New.
4365         (bdesc_special_args): Likewise.
4366         (ix86_expand_special_args_builtin): Likewise.
4367         (ix86_init_mmx_sse_builtins): Updated.
4368         (ix86_expand_builtin): Updated.
4369         (ix86_expand_store_builtin): Removed.
4370         (ix86_expand_unop_builtin): Likewise.
4371
4372         * config/i386/mm3dnow.h (__v2sf): Moved to ...
4373         * config/i386/mmintrin.h (__v2sf): Here.
4374
4375         * config/i386/xmmintrin.h (_mm_loadh_pi): Replace __v2si with
4376         const __v2sf.
4377         (_mm_loadl_pi): Likewise.
4378         (_mm_storeh_pi): Replace __v2si with __v2sf.
4379         (_mm_storel_pi): Likewise.
4380
4381         * doc/extend.texi: Correct __builtin_ia32_loadhps,
4382         __builtin_ia32_loadlps, __builtin_ia32_storehps,
4383         __builtin_ia32_storelps, __builtin_ia32_loadhpd and
4384         __builtin_ia32_loadlpd.
4385
4386 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
4387
4388         * config/i386/i386.c (ix86_builtin_type): Add FLOAT_FTYPE_FLOAT,
4389         V4SF_FTYPE_V4SF_VEC_MERGE and V2DF_FTYPE_V2DF_VEC_MERGE.
4390         (bdesc_args): Updated.  Add scalar SSE builtins with vec_merge.
4391         (ix86_init_mmx_sse_builtins): Updated.
4392         (ix86_expand_args_builtin): Likewise.
4393         (ix86_expand_builtin): Likewise.
4394         (ix86_expand_unop1_builtin): Renamed to ...
4395         (ix86_expand_unop_vec_merge_builtin): This.
4396
4397 2008-05-01  Jan Hubicka  <jh@suse.cz>
4398
4399         PR bootstrap/36100
4400         * ipa-inline.c (inline_generate_summary): Make static.
4401         (inline_transform): Do not call inlining at -O0; make static.
4402         * passes.c (execute_todo): Add sanity check.
4403         (execute_one_ipa_transform_pass): Execute proper flags.
4404
4405 2008-05-01  Eric Botcazou  <ebotcazou@adacore.com>
4406
4407         * tree.h (TYPE_NONALIASED_COMPONENT): Expand comment.
4408         (DECL_NONADDRESSABLE_P): Likewise.
4409         * alias.c (record_component_aliases): Fix comment.
4410
4411 2008-05-01  Simon Baldwin <simonb@google.com>
4412
4413         * c-common.h (warn_array_subscript_range): New function.
4414         * c-common.c (warn_array_subscript_range): Ditto.
4415         * tree-vrp.c (check_array_ref): Corrected code to agree with
4416         comment, ignoring only arrays of size 0 or size 1.
4417         * c-typeck.c (build_array_ref): Call warn_array_subscript_range.
4418
4419 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
4420
4421         * config/i386/i386.c (ix86_builtin_type): Replace
4422         DI_FTYPE_DI_DI_INT with V1DI2DI_FTYPE_V1DI_V1DI_INT.
4423         (bdesc_args): Updated.
4424         (ix86_init_mmx_sse_builtins): Likewise.
4425         (ix86_expand_args_builtin): Likewise.
4426
4427         * config/i386/tmmintrin.h (_mm_alignr_pi8): Replace long long
4428         with __v1di.
4429
4430         * doc/extend.texi: Correct __builtin_ia32_palignr.
4431
4432 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
4433
4434         PR target/36095
4435         * config/i386/i386.c (bdesc_crc32): Removed.
4436         (ix86_expand_crc32): Likewise.
4437         (ix86_builtin_type): Replace V2DI2TI_FTYPE_V2DI2TI_INT with
4438         V2DI2TI_FTYPE_V2DI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT with
4439         V2DI2TI_FTYPE_V2DI_V2DI_INT.  Add UINT64_FTYPE_UINT64_UINT64,
4440         UINT_FTYPE_UINT_UINT, UINT_FTYPE_UINT_USHORT and
4441         UINT_FTYPE_UINT_UCHAR.
4442         (bdesc_args): Updated. Add crc32 builtins.
4443         (ix86_init_mmx_sse_builtins): Updated.
4444         (ix86_expand_args_builtin): Updated to support subreg.
4445
4446         * doc/extend.texi: Correct __builtin_ia32_crc32di.
4447
4448 2008-05-01  Jan Hubicka  <jh@suse.cz>
4449
4450         * tree-pass.h (opt_pass): Add IPA_PASS.
4451         (varpool_node, cgraph_node): Forward declare.
4452         (ipa_opt_pass): Define.
4453         (pass_ipa_inline): Turn into ipa_opt_pass.
4454         (pass_apply_inline): Remove.
4455         * ipa-inline.c (pass_ipa_inline): Turn into ipa_opt_pass.
4456         (apply_inline): Turn into ....
4457         (inline_transform): ... this one.
4458         (inline_generate_summary): New function.
4459         (pass_apply_inline): Remove.
4460         * function.h (ipa_opt_pass): Forward declare structure; typedef;
4461         vector.
4462         (struct function): Add ipa_transforms_to_apply.
4463         * passes.c (register_one_dump_file): Work on IPA_PASS.
4464         (init_optimization_passes): Remove pass_inline_parameters and
4465         pass_apply_inline.
4466         (pass_init_dump_file, pass_fini_dump_file): Break out from ....
4467         (execute_one_pass) ... here; apply transforms when possible.
4468         (add_ipa_transform_pass, execute_ipa_summary_asses,
4469         execute_one_ipa_transform_pass): New.
4470         (execute_ipa_pass_list): Update for IPA_PASS type.
4471
4472 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
4473
4474         * config/i386/i386.c (ix86_builtin_type): Add
4475         V2DI_FTYPE_V2DI_V16QI, V2DI_FTYPE_V2DI_UINT_UINT and
4476         V2DI_FTYPE_V2DI_V2DI_UINT_UINT.
4477         (bdesc_args): Add SSE4a builtins.
4478         (ix86_init_mmx_sse_builtins): Updated.
4479         (ix86_expand_args_builtin): Likewise.
4480         (ix86_expand_builtin): Likewise.
4481
4482 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
4483
4484         * config/i386/i386.c (ix86_builtin_type): Add
4485         V8HI_FTYPE_V8HI_V8HI_COUNT, V8HI_FTYPE_V8HI_SI_COUNT,
4486         V4SI_FTYPE_V4SI_V4SI_COUNT, V4SI_FTYPE_V4SI_SI_COUNT,
4487         V4HI_FTYPE_V4HI_V4HI_COUNT, V4HI_FTYPE_V4HI_SI_COUNT,
4488         V2DI_FTYPE_V2DI_V2DI_COUNT, V2DI_FTYPE_V2DI_SI_COUNT,
4489         V2SI_FTYPE_V2SI_V2SI_COUNT, V2SI_FTYPE_V2SI_SI_COUNT,
4490         V1DI_FTYPE_V1DI_V1DI_COUNT, V1DI_FTYPE_V1DI_SI_COUNT,
4491         V8HI_FTYPE_V8HI_INT, V4SI_FTYPE_V4SI_INT, V4HI_FTYPE_V4HI_INT,
4492         V2DI2TI_FTYPE_V2DI2TI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT
4493         and DI_FTYPE_DI_DI_INT.
4494         (bdesc_args): Add MMX/SSE shift, shuffle and palignr builtins.
4495         (ix86_init_mmx_sse_builtins): Updated.
4496         (ix86_expand_args_builtin): Likewise.
4497         (ix86_expand_builtin): Likewise.
4498         (ix86_expand_binop_imm_builtin): Removed.
4499
4500         * doc/extend.texi: Correct __builtin_ia32_palignr128.
4501
4502 2008-04-30  Richard Guenther  <rguenther@suse.de>
4503
4504         PR tree-optimization/32921
4505         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Disambiguate with TBAA.
4506
4507 2008-04-30  Richard Sandiford  <rsandifo@nildram.co.uk>
4508
4509         * config/arm/arm.c (arm_unwind_emit): Use
4510         crtl->all_throwers_are_sibcalls instead of
4511         cfun->all_throwers_are_sibcalls.
4512         (arm_output_fn_unwind): Likewise.
4513         * config/frv/frv.c (frv_stack_info): Use crtl->uses_pic_offset_table
4514         instead of cfun->uses_pic_offset_table.
4515         (frv_expand_prologue): Likewise.
4516         (frv_frame_pointer_required): Likewise.
4517         (frv_expand_fdpic_call): Likewise.
4518         (frv_emit_movsi): Likewise.
4519         * config/iq2000/iq2000.c (iq2000_expand_prologue): Use
4520         cfun->returns_pcc_struct instead of
4521         current_function_returns_pcc_struct.
4522         * config/m32c/m32c.c (need_to_save): Use crtl->calls_eh_return
4523         instead of cfun->calls_eh_return.
4524         (m32c_pushm_popm): Likewise.
4525         * config/xtensa/xtensa.h (cfun->calls_alloca): Remove bogus
4526         "extern" declaration.
4527
4528 2008-04-30  Richard Guenther  <rguenther@suse.de>
4529
4530         PR tree-optimization/21636
4531         * tree-ssa-ccp.c (ccp_fold): Handle &p->x with p being a
4532         constant address.
4533         (evaluate_stmt): Print the likely value.
4534         (ccp_visit_stmt): Avoid excessive vertical spacing.
4535
4536 2008-04-30  Rafael Espindola  <espindola@google.com>
4537
4538         * builtins.c (fold_call_expr): Return realret.
4539         * tree-ssa-threadedge.c
4540         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
4541         __builtin_object_size.
4542
4543 2008-04-30  Seongbae Park  <seongbae.park@gmail.com>
4544
4545         * gcc.c (wrapper_string): New variable.
4546         (insert_wrapper): New function.
4547         (execute): New option -wrapper.
4548         * doc/invoke.texi (Overall Options): New driver option -wrapper.
4549
4550 2008-04-30  Nathan Froyd  <froydnj@codesourcery.com>
4551
4552         * config/rs6000/crtresgpr.asm, config/rs6000/crtresxgpr.asm,
4553         config/rs6000/crtsavgpr.asm, config/rs6000/crtresfpr.asm,
4554         config/rs6000/crtresxfpr.asm, config/rs6000/crtsavfpr.asm: Break out
4555         from...
4556         * config/rs6000/crtsavres.asm: ...here.  Remove unneeded file.
4557         * config/rs6000/e500crtres32gpr.asm, config/rs6000/e500crtres64gpr.asm,
4558         config/rs6000/e500crtres64gprctr.asm,
4559         config/rs6000/e500crtrest32gpr.asm, config/rs6000/e500crtrest64gpr.asm,
4560         config/rs6000/e500crtresx32gpr.asm, config/rs6000/e500crtresx64gpr.asm,
4561         config/rs6000/e500crtsav32gpr.asm, config/rs6000/e500crtsav64gpr.asm,
4562         config/rs6000/e500crtsav64gprctr.asm,
4563         config/rs6000/e500crtsavg32gpr.asm, config/rs6000/e500crtsavg64gpr.asm,
4564         config/rs6000/e500crtsavg64gprctr.asm: New files.
4565         * config/rs6000/t-ppccomm: Add build rules for new files.
4566         (LIB2FUNCS_STATIC_EXTRA): Add new files.
4567         * config/rs6000/t-netbsd: Add build rules for new files.
4568         (LIB2FUNCS_STATIC_EXTRA): New variable.
4569         * config/rs6000/sysv4.h (ENDFILE_SPEC): Don't include crtsavres.o
4570         (CRTSAVRES_DEFAULT_SPEC): Likewise.
4571         * config/rs6000/netbsd.h (ENDFILE_SPEC): Likewise.
4572
4573 2008-04-30  H.J. Lu  <hongjiu.lu@intel.com>
4574
4575         * config/i386/i386.c (ix86_builtin_type): Add
4576         FLOAT128_FTYPE_FLOAT128_FLOAT128, V16QI_FTYPE_V16QI_V16QI,
4577         V16QI_FTYPE_V8HI_V8HI, V8QI_FTYPE_V8QI_V8QI,
4578         V8QI_FTYPE_V4HI_V4HI, V8HI_FTYPE_V8HI_V8HI,
4579         V8HI_FTYPE_V16QI_V16QI, V8HI_FTYPE_V4SI_V4SI,
4580         V4SI_FTYPE_V4SI_V4SI, V4SI_FTYPE_V8HI_V8HI,
4581         V4SI_FTYPE_V4SF_V4SF, V4SI_FTYPE_V2DF_V2DF,
4582         V4HI_FTYPE_V4HI_V4HI, V4HI_FTYPE_V8QI_V8QI,
4583         V4HI_FTYPE_V2SI_V2SI, V4SF_FTYPE_V4SF_V4SF,
4584         V4SF_FTYPE_V4SF_V4SF_SWAP, V4SF_FTYPE_V4SF_V2SI,
4585         V4SF_FTYPE_V4SF_V2DF, V4SF_FTYPE_V4SF_DI,
4586         V4SF_FTYPE_V4SF_SI, V2DI_FTYPE_V2DI_V2DI,
4587         V2DI_FTYPE_V16QI_V16QI, V2DI_FTYPE_V4SI_V4SI,
4588         V2DI_FTYPE_V2DF_V2DF, V2SI_FTYPE_V2SI_V2SI,
4589         V2SI_FTYPE_V4HI_V4HI, V2SI_FTYPE_V2SF_V2SF,
4590         V2DF_FTYPE_V2DF_V2DF, V2DF_FTYPE_V2DF_V2DF_SWAP,
4591         V2DF_FTYPE_V2DF_V4SF, V2DF_FTYPE_V2DF_DI,
4592         V2DF_FTYPE_V2DF_SI, V2SF_FTYPE_V2SF_V2SF,
4593         V1DI_FTYPE_V1DI_V1DI, V1DI_FTYPE_V8QI_V8QI and
4594         V1DI_FTYPE_V2SI_V2SI.
4595         (bdesc_2arg): Moved to ...
4596         (bdesc_args): Here.
4597         (ix86_init_mmx_sse_builtins): Updated.
4598         (ix86_expand_args_builtin): Updated.  Take a pointer
4599         to const struct builtin_description.  Handle comparison
4600         builtin functions.
4601         (ix86_expand_sse_compare): Take a new argument for swapping operands.
4602         (ix86_expand_builtin): Updated.
4603
4604         * config/i386/sse.md (ssse3_pmaddubswv8hi3): Renamed to ...
4605         (ssse3_pmaddubsw128): This.
4606         (ssse3_pmaddubswv4hi3): Renamed to ...
4607         (ssse3_pmaddubsw): This.
4608
4609         * doc/extend.texi (__builtin_ia32_packsswb128): Correct prototype.
4610         (__builtin_ia32_packssdw128): Likewise.
4611         (__builtin_ia32_packuswb128): Likewise.
4612         (__builtin_ia32_pmaddubsw): Likewise.
4613         (__builtin_ia32_pmaddubsw128): Likewise.
4614
4615 2008-04-30  Richard Guenther  <rguenther@suse.de>
4616
4617         PR tree-optimization/14847
4618         * tree-ssa-ifcombine.c (get_name_for_bit_test): New helper function.
4619         (recognize_bits_test): Use it.
4620         (recognize_single_bit_test): Likewise.
4621
4622 2008-04-30  Martin Jambor  <mjambor@suse.cz>
4623
4624         * ipa-cp.c (ipcp_init_stage): Calls ipa_set_called_with_variable_arg
4625         instead of setting number of formal parameters to zero.
4626         (ipcp_init_stage): Do not set the number of actual parameters to zero 
4627         either.
4628         (ipcp_propagate_stage): Explicitly skipping all calls to nodes
4629         which are called with variable number of arguments.
4630         (ipcp_insert_stage): Explicitely skipping all nodes which are
4631         called with variable number of arguments.
4632         (ipcp_callsite_param_print): Skipps callsites to nodes with varaible 
4633         number of parameters.
4634
4635         * ipa-prop.h (struct ipa_node_params): Added flag
4636         called_with_var_arguments
4637         (ipa_set_param_count): Added.  Changed sole setter to use it.
4638         (ipa_get_param_count): Added.  All readers of param_count
4639         converted to use it instead.
4640         (ipa_set_called_with_variable_arg): Added.
4641         (ipa_is_called_with_var_arguments): Added.
4642         (ipa_get_ith_param): Added.  All readers of param_decls converted
4643         to use it instead.
4644         (ipa_set_cs_argument_count): Added, sole writer to argument_count 
4645         changed to use it. 
4646         (ipa_get_cs_argument_count): Added, all readers of argument_count
4647         changed to cal it.
4648         (ipa_get_ith_jump_func): Added. Accessors of jump values changed 
4649         to use it.
4650         
4651         * ipa-prop.h (struct ipcp_formal): Renamed to ipcp_lattice
4652         (struct ipcp_lattice): Renamed cval_type to type
4653         (struct ipa_node_params): ipcp_cval renamed to ipcp_lattices
4654
4655         * ipa-cp.c (ipcp_cval_get_cvalue): Changed return value to tree
4656         (ipcp_cval_set_cvalue): Changed type of parameter value to tree
4657         (ipcp_insert_stage): Changed the type of variable cvalue to tree
4658         (ipcp_replace_map_create): Changed the type of parameter cvalue to tree
4659         (build_const_val): Changed the type of parameter cvalue to tree
4660         (ipcp_propagate_const): Changed the type of parameter cvalue to tree
4661         (ipcp_method_cval_set_cvalue_type): Renamed parameter cval_type1 to type
4662         
4663         * ipa-prop.h (struct ipcp_formal): Replaced cvalue with tree called 
4664         constant 
4665
4666         * ipa-prop.c (ipa_methodlist_init): Renamed to ipa_init_func_list
4667         (ipa_methodlist_not_empty): Removed, the sole user now checks directly
4668         (ipa_add_method): Renamed to ipa_push_func_to_list
4669         (ipa_remove_method): Renamed to ipa_pop_func_from_list
4670         (ipa_callsite_param_count): Removed.
4671         (ipa_callsite_param_count_set): Removed.
4672         (ipa_callsite_param): Removed.
4673         (ipa_callsite_callee): Removed.
4674         (ipa_callsite_compute_param): Renamed to ipa_compute_jump_functions
4675         (ipa_callsite_compute_count): Renamed to ipa_count_arguments
4676         (ipa_method_formal_count): Removed.
4677         (ipa_method_formal_count_set): Removed.
4678         (ipa_method_get_tree): Removed.
4679         (ipa_method_tree_map_create): Removed.
4680         (ipa_method_compute_tree_map): Renamed to ipa_create_param_decls_array
4681         (ipa_create_param_decls_array): Creates the array itself
4682         (ipa_create_param_decls_array): Temporary variable info instead of 
4683         a few dereferences.
4684         (ipa_method_formal_compute_count): Renamed to ipa_count_formal_params
4685         (ipa_method_compute_modify): Renamed to ipa_detect_param_modifications
4686         (get_type): Removed.
4687         (ipa_jf_get_info_type): Removed.
4688         (ipa_node_create): Renamed to ipa_create_node_params
4689         (ipa_free): Renamed to ipa_free_all_node_params
4690         (ipa_nodes_create): Renamed to ipa_create_all_node_params
4691         (ipa_edges_create): Renamed to ipa_create_all_edge_args
4692         (ipa_edges_free): Renamed to ipa_free_all_edge_args
4693         (ipa_nodes_free): Integrated into ipa_free_all_node_params and removed
4694         (ipa_free_all_node_params): Deallocation to jump_functions moved to 
4695         ipa_free_all_edge_args
4696         (ipa_method_tree_print): Renamed to ipa_print_all_tree_maps
4697         (ipa_method_modify_print): Renamed to ipa_print_all_params_modified
4698         (ipa_create_methodlist_node): Removed.
4699         (ipa_methodlist_method): Removed.
4700         (ipa_methodlist_method_set): Removed.
4701         (ipa_methodlist_next_method): Removed.
4702         (ipa_methodlist_next_method_set): Removed.
4703         (ipa_method_is_modified): Removed.
4704         (ipa_method_modify_create): Removed.
4705         (ipa_method_modify_init): Temporary variable info instead of a few 
4706         dereferences.
4707         (ipa_detect_param_modifications): Temporary variable info instead of 
4708         a few dereferences.
4709         (ipa_compute_jump_functions): Temporary variable info instead of 
4710         a few dereferences.
4711         (ipa_method_modify_set): Removed.
4712         (ipa_method_tree_map): Renamed to ipa_get_param_decl_index
4713         (ipa_get_param_decl_index): Now accepts struct ipa_node_params rather 
4714         than craph_node as the first parameter.
4715         (ipa_method_modify_stmt): Renamed to ipa_check_stmt_modifications
4716         (ipa_method_modify_init): Removed.
4717         (ipa_compute_jump_functions): Added a temp variable instead of 
4718         repeatadly dereferencing the cgraph_edge.aux pointer
4719         (ipa_callsite_param_set_type): Removed.
4720         (ipa_compute_jump_functions): i renamed to index and moved to 
4721         an inner block
4722         (ipa_callsite_param_set_info_type_formal): Removed.
4723         (ipa_callsite_param_set_info_type): Removed.
4724         (ipa_callsite_param_map_create): Removed.
4725         (ipa_callsite_tree): Removed.
4726         (ipa_callsite_caller): Removed.
4727         (ipa_pop_func_from_list): return_method removed to return_func
4728
4729         * ipa-prop.h (enum cvalue_type): Renamed to ipa_lattice_type,
4730         prefixed all values with IPA_. Changed all users.
4731         (enum jump_func_type): Rnamed UNKNOWN_IPATYPE to IPA_UNKNOWN, 
4732         CONST_IPATYPE to IPA_CONST, CONST_IPATYPE_REF to IPA_CONST_REF 
4733         and FORMAL_IPATYPE IPA_PASS_THROUGH. 
4734         (union parameter_info): Renamed to jump_func_value.
4735         (union jump_func_value): Renamed value to constant
4736         (struct ipa_jump_func): Renamed info_type to value
4737         (struct ipa_node): Renamed to ipa_node_params
4738         (struct ipa_node_params): Renamed ipa_arg_num to param_count
4739         (struct ipa_node_params): Renamed ipa_param_tree to param_decls
4740         (struct ipa_node_params): Renamed ipa_mod to modified_flags
4741         (struct ipa_edge): Renamed to ipa_edge_args
4742         (struct ipa_edge_args): Renamed ipa_param_num to argument_count
4743         (struct ipa_edge_args): Renamed ipa_param_map to jump_functions
4744         (struct ipa_methodlist): Renamed to ipa_func_list
4745         (struct ipa_func_list): method_p renamed to node, next_method
4746         renamed to next
4747         (ipa_methodlist_p): Removed, switched all users to struct pointer
4748         (IS_VALID_TREE_MAP_INDEX): Renamed to IS_VALID_JUMP_FUNC_INDEX
4749
4750 2008-04-30  Alan Modra  <amodra@bigpond.net.au>
4751
4752         * config/rs6000/rs6000.c (ALWAYS_RESTORE_ALTIVEC_BEFORE_POP): Define.
4753         (rs6000_emit_epilogue): Use backchain to restore only when we
4754         have a large frame.  Make use of frame pointer to restore if we
4755         have one.  Handle ALWAYS_RESTORE_ALTIVEC_BEFORE_POP.
4756
4757 2008-04-29  Paolo Bonzini  <bonzini@gnu.org>
4758
4759         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
4760         Add mode to zero_extract.
4761         (sign bit tests peepholes): (Ditto.).
4762
4763 2008-04-29  H.J. Lu  <hongjiu.lu@intel.com>
4764
4765         * config/i386/i386.c (ix86_builtins): Replace Prescott New
4766         Instructions in comments with SSE3.
4767         (ix86_builtin_type): This.  Add FLOAT128_FTYPE_FLOAT128,
4768         INT64_FTYPE_V4SF, INT64_FTYPE_V2DF, INT_FTYPE_V16QI,
4769         INT_FTYPE_V8QI, INT_FTYPE_V4SF, INT_FTYPE_V2DF,
4770         V16QI_FTYPE_V16QI, V8HI_FTYPE_V8HI, V8HI_FTYPE_V16QI,
4771         V8QI_FTYPE_V8QI, V4SI_FTYPE_V4SI, V4SI_FTYPE_V16QI,
4772         V4SI_FTYPE_V4SF, V4SI_FTYPE_V8HI, V4SI_FTYPE_V2DF,
4773         V4HI_FTYPE_V4HI, V4SF_FTYPE_V4SF, V4SF_FTYPE_V4SI,
4774         V4SF_FTYPE_V2DF, V2DI_FTYPE_V2DI, V2DI_FTYPE_V16QI,
4775         V2DI_FTYPE_V8HI, V2DI_FTYPE_V4SI, V2DF_FTYPE_V2DF,
4776         V2DF_FTYPE_V4SI, V2DF_FTYPE_V4SF, V2DF_FTYPE_V2SI,
4777         V2SI_FTYPE_V2SI, V2SI_FTYPE_V4SF, V2SI_FTYPE_V2SF,
4778         V2SI_FTYPE_V2DF, V2SF_FTYPE_V2SF and V2SF_FTYPE_V2SI.
4779         (bdesc_sse_args): Renamed to ...
4780         (bdesc_args): This.  Add IX86_BUILTIN_PF2ID, IX86_BUILTIN_PFRCP,
4781         IX86_BUILTIN_PFRSQRT, IX86_BUILTIN_PI2FD, IX86_BUILTIN_PF2IW,
4782         IX86_BUILTIN_PSWAPDSI, IX86_BUILTIN_PSWAPDSF and
4783         IX86_BUILTIN_FABSQ.
4784         (bdesc_1arg): Moved to ...
4785         (bdesc_args): Here.
4786         (ix86_init_mmx_sse_builtins): Updated.  Replace Prescott New
4787         Instructions in comments with SSE3.
4788         (ix86_expand_sse_operands_builtin): Renamed to ...
4789         (ix86_expand_args_builtin): This.  Updated.
4790         (ix86_expand_unop1_builtin): Update comments.
4791         (ix86_expand_builtin): Updated.
4792
4793 2008-04-29  Richard Guenther  <rguenther@suse.de>
4794
4795         PR tree-optimization/36078
4796         * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely):
4797         Update virtual SSA form after cleaning up the CFG.
4798
4799 2008-04-29  Richard Guenther  <rguenther@suse.de>
4800
4801         PR middle-end/15255
4802         * fold-const.c (fold_binary): Fold (A + A) * C to A * 2*C.
4803
4804 2008-04-29  Richard Guenther  <rguenther@suse.de>
4805
4806         * tree-ssa-alias.c (finalize_ref_all_pointers): Remove.
4807         (compute_may_aliases): Do not call finalize_ref_all_pointers.
4808         (compute_flow_insensitive_aliasing): Do not treat
4809         PTR_IS_REF_ALL pointers special.
4810         (get_smt_for): Likewise.
4811         (may_alias_p): Re-structure.
4812         (is_escape_site): A ref-all pointer conversion is not an escape site.
4813         * tree-ssa-structalias.c (find_what_p_points_to): Do not treat
4814         PTR_IS_REF_ALL pointers special.
4815         * tree-ssa-structalias.h (struct alias_info): Remove
4816         ref_all_symbol_mem_tag field.
4817         (PTR_IS_REF_ALL): Remove.
4818
4819 2008-04-29  Richard Guenther  <rguenther@suse.de>
4820
4821         PR middle-end/36077
4822         * fold-const.c (extract_muldiv_1): In combining division constants
4823         make sure to never overflow.
4824
4825 2008-04-29  Nick Clifton  <nickc@redhat.com>
4826
4827         * doc/tm.texi (RETURN_ADDR_RTX): Fix typo.
4828
4829 2008-04-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4830
4831         PR bootstrap/35169
4832         * optc-gen.awk: Work around HP-UX/IA awk bug.
4833
4834 2008-04-28  Danny Smith  <dannysmith@users.sourceforge.net>
4835
4836         * config/i386/cygming-crtend.c (register_frame_ctor): Revert my
4837         2008-04-25 commit.
4838
4839 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
4840
4841         PR target/36073
4842         * config/i386/i386.md
4843         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit):
4844         Change operand 1 predicate to nonimmediate_operand.
4845
4846 2008-04-28  Jakub Jelinek  <jakub@redhat.com>
4847
4848         PR debug/36060
4849         * dwarf2out.c (struct die_struct): Mark as chain_circular through
4850         die_sub field.
4851         * gengtype.c (walk_type, write_func_for_structure): Handle
4852         chain_circular.
4853         * doc/gty.texi: Document chain_circular.
4854
4855 2008-04-28  Richard Guenther  <rguenther@suse.de>
4856
4857         PR tree-optimization/36066
4858         * tree-vrp.c (execute_vrp): Cleanup the CFG only after finalizing
4859         SCEV and loop.
4860
4861 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
4862
4863         PR target/36064
4864         * config/i386/i386.md
4865         (floatdi<X87MODEF:mode>2_i387_with_xmm splitters):
4866         Use match_scratch instead of match_operand for operands 3 and 4.
4867
4868 2008-04-27  Richard Guenther  <rguenther@suse.de>
4869
4870         PR tree-optimization/18754
4871         PR tree-optimization/34223
4872         * tree-pass.h (pass_complete_unrolli): Declare.
4873         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Print
4874         loop size before and after unconditionally of UL_NO_GROWTH in effect.
4875         Rewrite loop into loop closed SSA form if it is not already.
4876         (tree_unroll_loops_completely): Re-structure to iterate over
4877         innermost loops with intermediate CFG cleanups.
4878         Unroll outermost loops only if requested or the code does not grow
4879         doing so.
4880         * tree-ssa-loop.c (gate_tree_vectorize): Don't shortcut if no
4881         loops are available.
4882         (tree_vectorize): Instead do so here.
4883         (tree_complete_unroll): Also unroll outermost loops.
4884         (tree_complete_unroll_inner): New function.
4885         (gate_tree_complete_unroll_inner): Likewise.
4886         (pass_complete_unrolli): New pass.
4887         * tree-ssa-loop-manip.c (find_uses_to_rename_use): Only record
4888         uses outside of the loop.
4889         (tree_duplicate_loop_to_header_edge): Only verify loop-closed SSA
4890         form if it is available.  
4891         * tree-flow.h (tree_unroll_loops_completely): Add extra parameter.
4892         * passes.c (init_optimization_passes): Schedule complete inner
4893         loop unrolling pass before the first CCP pass after final inlining.
4894
4895 2008-04-27  Nathan Sidwell  <nathan@codesourcery.com>
4896
4897         * targhooks.h (default_emutls_var_fields,
4898         default_emutls_var_init): Declare.
4899         * tree.h (DECL_THREAD_LOCAL): Compare against TLS_MODEL_REAL.
4900         * target.h (struct gcc_target): Add struct emutls member.
4901         * target-def.h (TARGET_EMUTLS_GET_ADDRESS,
4902         TARGET_EMUTLS_REGISTER_COMMON, TARGET_EMUTLS_VAR_SECTION,
4903         TARGET_EMUTLS_TMPL_SECTION, TARGET_EMUTLS_VAR_PREFIX,
4904         TARGET_EMUTLS_TMPL_PREFIX, TARGET_EMUTLS_VAR_FIELDS,
4905         TARGET_EMUTLS_VAR_INIT, TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS,
4906         TARGET_EMUTLS_VAR_ALIGN_FIXED, TARGET_EMUTLS): New.
4907         (TARGET_INITIALIZER): Add TARGET_EMUTLS.
4908         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS,
4909         BUILT_IN_EMUTLS_REGISTER_COMMON): Get name from targetm structure.
4910         * dwarf2out.c (loc_descriptor_from_tree_1): Check if emutls can
4911         emit debug information.
4912         * coretypes.h (tls_model): Add TLS_MODEL_EMULATED, TLS_MODEL_REAL.
4913         * varasm.c: Include targhooks.h.
4914         (emutls_object_section, emutls_tmpl_section): New.
4915         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): Remove.
4916         (EMUTLS_SEPARATOR): New.
4917         (prefix_name): New.
4918         (get_emutls_object_name): New.
4919         (default_emutls_var_fields): New, broken out of ...
4920         (get_emutls_object_type): ... here.  Adjust to use target hooks.
4921         (get_emutls_init_templ_addr): Adjust to use target hooks.
4922         (emutls_decl): Adjust to use target hooks.
4923         (emutls_finish): Likewise.
4924         (default_emutls_var_init): New, broken out of ...
4925         (assemble_variable): ... here.  Adjust to use target hooks.
4926         * output.h (enum section_category): Add SECCAT_EMUTLS_VAR,
4927         SECCAT_EMUTLS_TMPL.
4928         * c-common.c (handle_section_attribute): Prevent overriding
4929         sections for emulated tls with special sections.
4930         * config/i386/i386.c (x86_64_elf_select_section): Add
4931         SECCAT_EMUTLS_VAR and SECCAT_EMUTLS_TMPL.
4932         (x86_64_elf_unique_section): Likewise.
4933         * config/vxworks.c: Include tree.h.
4934         (vxworks_emutls_var_fields, vxworks_emutls_var_init): New.
4935         (vxworks_override_options): Set TLS scheme.
4936         * doc/tm.texi (Emulated TLS): New node.
4937
4938 2008-04-26  Simon Baldwin <simonb@google.com>
4939
4940         PR c/35652
4941         * builtins.c (c_strlen): Suppressed multiple warnings that can occur
4942         with propagated string constants.
4943
4944 2008-04-26  Uros Bizjak  <ubizjak@gmail.com>
4945
4946         * config/i386/i386.md (fix_trunc<mode>_i387_fisttp_with_temp): Use 'X'
4947         constraint for operand 2 when operand 0 is memory operand.
4948         (fix_truncdi_i387_with_temp): : Use 'X' constraint for operand 4 when
4949         operand 0 is memory operand.
4950         (fix_trunc<mode>_i387_with_temp): Ditto.
4951         (*floatsi<mode>2_vector_mixed_with_temp): Use 'X' constraint for
4952         operand 2 when operand 1 is memory operand.
4953         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_with_temp): Ditto.
4954         (*floatsi<mode>2_vector_sse_with_temp): Ditto.
4955         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_with_temp): Ditto.
4956         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
4957         (floatdi<X87MODEF:mode>2_i387_with_xmm): Use 'X' constraint for
4958         operands 2,3 and 4 when operand 1 is memory operand.
4959         (fistdi2_with_temp): Use 'X' constraint for operand 2 when operand 0
4960         is memory operand.
4961         (fistdi2_floor_with_temp): Ditto.
4962         (fist<mode>2_floor_with_temp): Ditto.
4963         (fistdi2_ceil_with_temp): Ditto.
4964         (fist<mode>2_ceil_with_temp): Ditto.
4965         (*truncdfsf_fast_mixed): Merge alternatives 0 and 1.
4966
4967 2008-04-26  David Daney  <ddaney@avtrex.com>
4968
4969         * config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP_12): New
4970         unspec_volitile.
4971         (UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE,
4972         UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
4973         UNSPEC_UPDATE_GOT_VERSION): Renumber.
4974         (sync_compare_and_swap<mode>): New expand for QI and HI modes.
4975         (compare_and_swap_12): New insn.
4976         * config/mips/mips-protos.h (mips_expand_compare_and_swap_12): Declare.
4977         * config/mips/mips.c (mips_force_binary): New function.
4978         (mips_emit_int_order_test, mips_expand_synci_loop): Use it.
4979         (mips_expand_compare_and_swap_12): New function.
4980         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): New macro.
4981
4982 2008-04-25  Jan Hubicka  <jh@suse.cz>
4983
4984         PR testsuite/35843
4985         * cfgexpand.c (pass_expand): Turn into RTL pass.
4986         * passes.c (execute_one_pass): Do pass typechecking after execution.
4987         * tree-pass.h (pass_expand): Turn into RTL pass.
4988
4989         * function.h (struct rtl_data): Move here fields
4990         accesses_prior_frames, calls_eh_return, saves_all_registers,
4991         has_nonlocal_goto, has_asm_statement, is_thunk,
4992         all_throwers_are_sibcalls, limit_stack, profile, uses_const_pool,
4993         uses_pic_offset_table, uses_eh_lsda, tail_call_emit,
4994         arg_pointer_save_area_init from struct function; turn into bool.
4995         (struct function): Move
4996         calls_eh_return, saves_all_registers, has_nonlocal_goto,
4997         has_asm_statement, is_thunk, all_throwers_are_sibcalls, limit_stack,
4998         profile, uses_const_pool, uses_pic_offset_table, uses_eh_lsda,
4999         tail_call_emit, arg_pointer_save_area_init
5000         into struct rtl_data.  Remove recursive_call_emit and gimplified flags.
5001         (current_function_returns_struct, current_function_returns_pcc_struct,
5002         current_function_calls_setjmp, current_function_calls_alloca,
5003         current_function_accesses_prior_frames,
5004         current_function_calls_eh_return, current_function_is_thunk,
5005         current_function_stdarg, current_function_profile,
5006         current_function_limit_stack, current_function_uses_pic_offset_table,
5007         current_function_uses_const_pool, current_function_has_nonlocal_label,
5008         current_function_saves_all_registers,
5009         current_function_has_nonlocal_goto,
5010         current_function_has_asm_statement): Remove accesor macros.
5011         * ra-conflict.c (global_conflicts): Update.
5012         * tree-tailcall.c (suitable_for_tail_opt_p): Update.
5013         (suitable_for_tail_call_opt_p): Update.
5014         * builtins.c (expand_builtin_return_addr): Update.
5015         (expand_builtin_setjmp_setup): Update.
5016         (expand_builtin_nonlocal_goto): Update.
5017         * final.c (final_start_function): Update.
5018         (profile_function): Update.
5019         (leaf_function_p): Update.
5020         (only_leaf_regs_used): Update.
5021         * df-scan.c (df_get_exit_block_use_set): Update.
5022         * dojump.c (clear_pending_stack_adjust): Update.
5023         * tree-stdarg.c (gate_optimize_stdarg): Update.
5024         * gimple-low.c (lower_function_body): Update.
5025         * global.c (compute_regsets): Update.
5026         (global_alloc): Update.
5027         * dwarf2out.c (dwarf2out_begin_prologue): Update.
5028         * expr.c (expand_assignment): Update.
5029         * dse.c (dse_step0): Update.
5030         (dse_step1): Update.
5031         * c-decl.c (store_parm_decls): Update.
5032         * local-alloc.c (combine_regs): Update.
5033         (find_free_reg): Update.
5034         * function.c (assign_parms_augmented_arg_list): Update.
5035         (assign_parm_find_data_types): Update.
5036         (assign_parms): Update.
5037         (allocate_struct_function): Update.
5038         (expand_function_start): Update.
5039         (expand_function_end): Update.
5040         (get_arg_pointer_save_area): Update.
5041         (thread_prologue_and_epilogue_insns): Update.
5042         (rest_of_match_asm_constraints): Update.
5043         * stor-layout.c (variable_size): Update.
5044         * gcse.c (gcse_main): Update.
5045         (bypass_jumps): Update.
5046         * gimplify.c (gimplify_function_tree): Update.
5047         * calls.c (emit_call_1): Update.
5048         (expand_call): Update.
5049         * bt-load.c (compute_defs_uses_and_gen): Update.
5050         * except.c (sjlj_assign_call_site_values): Update.
5051         (sjlj_emit_function_enter): Update.
5052         (can_throw_external): Update.
5053         (set_nothrow_function_flags): Update.
5054         (expand_builtin_unwind_init): Update.
5055         (expand_eh_return): Update.
5056         (convert_to_eh_region_ranges): Update.
5057         (output_function_exception_table): Update.
5058         * emit-rtl.c (gen_tmp_stack_mem): Update.
5059         * cfgexpand.c (expand_used_vars): Update.
5060         (tree_expand_cfg): Update.
5061         * cfgcleanup.c (rest_of_handle_jump): Update.
5062         * explow.c (allocate_dynamic_stack_space): Update.
5063         * varasm.c (assemble_start_function): Update.
5064         (force_const_mem): Update.
5065         (mark_constant_pool): Update.
5066         * tree-optimize.c (tree_rest_of_compilation): Update.
5067         * stack-ptr-mod.c (notice_stack_pointer_modification): Update.
5068         * tree-cfg.c (notice_special_calls): Update.
5069         (is_ctrl_altering_stmt): Update.
5070         (tree_can_make_abnormal_goto): Update.
5071         (tree_purge_dead_abnormal_call_edges): Update.
5072         * config/alpha/predicates.md: Update.
5073         * config/alpha/alpha.c (alpha_sa_mask): Update.
5074         (alpha_sa_size): Update.
5075         (alpha_does_function_need_gp): Update.
5076         (alpha_expand_prologue): Update.
5077         (alpha_start_function): Update.
5078         (alpha_output_function_end_prologue): Update.
5079         (alpha_expand_epilogue): Update.
5080         * config/frv/frv.c (frv_stack_info): Update.
5081         (frv_expand_epilogue): Update.
5082         * config/s390/s390.c (s390_regs_ever_clobbered): Update.
5083         (s390_register_info): Update.
5084         (s390_frame_info): Update.
5085         (s390_init_frame_layout): Update.
5086         (s390_can_eliminate): Update.
5087         (save_gprs): Update.
5088         * config/spu/spu.c (spu_split_immediate): Update.
5089         (need_to_save_reg): Update.
5090         (spu_expand_prologue): Update.
5091         (spu_expand_epilogue): Update.
5092         * config/sparc/sparc.md: Update.
5093         * config/sparc/sparc.c (eligible_for_return_delay): Update.
5094         (sparc_tls_got): Update.
5095         (legitimize_pic_address): Update.
5096         (sparc_emit_call_insn): Update.
5097         (sparc_expand_prologue): Update.
5098         (output_return): Update.
5099         (print_operand): Update.
5100         (sparc_function_ok_for_sibcall): Update.
5101         * config/sparc/sparc.h (EXIT_IGNORE_STACK): Update.
5102         * config/m32r/m32r.md: Update.
5103         * config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Update.
5104         (m32r_compute_frame_size): Update.
5105         (m32r_expand_prologue): Update.
5106         (m32r_expand_epilogue): Update.
5107         (m32r_legitimize_pic_address): Update.
5108         * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Update.
5109         * config/i386/linux.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
5110         * config/i386/i386.c (ix86_frame_pointer_required): Update.
5111         (gen_push): Update.
5112         (ix86_save_reg): Update.
5113         (ix86_compute_frame_layout): Update.
5114         (ix86_expand_prologue): Update.
5115         (ix86_expand_epilogue): Update.
5116         * config/sh/sh.c (output_stack_adjust): Update.
5117         (calc_live_regs): Update.
5118         (sh5_schedule_saves): Update.
5119         (sh_expand_prologue): Update.
5120         (sh_expand_epilogue): Update.
5121         (sh_setup_incoming_varargs): Update.
5122         (sh_allocate_initial_value): Update.
5123         (sh_get_pr_initial_val): Update.
5124         * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Update.
5125         * config/sh/sh.md (label:): Update.
5126         * config/avr/avr.c (out_movhi_mr_r): Update.
5127         * config/crx/crx.h (enum): Update.
5128         * config/xtensa/xtensa.h (along): Update.
5129         * config/stormy16/stormy16.c Update.
5130         (xstormy16_compute_stack_layout): Update.
5131         * config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Update.
5132         (fr30_expand_prologue): Update.
5133         * config/cris/cris.c (cris_conditional_register_usage): Update.
5134         (cris_reg_saved_in_regsave_area): Update.
5135         (cris_initial_frame_pointer_offset): Update.
5136         (cris_simple_epilogue): Update.
5137         (cris_expand_prologue): Update.
5138         (cris_expand_epilogue): Update.
5139         (cris_expand_pic_call_address): Update.
5140         (cris_asm_output_symbol_ref): Update.
5141         (cris_asm_output_label_ref): Update.
5142         * config/cris/cris.md Update.
5143         * config/iq2000/iq2000.c (compute_frame_size): Update.
5144         (iq2000_expand_epilogue): Update.
5145         * config/mt/mt.h (save_direction): Update.
5146         * config/mn10300/mn10300.c (mn10300_function_value): Update.
5147         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
5148         (ia64_secondary_reload_class): Update.
5149         * config/m68k/m68k.c (m68k_save_reg): Update.
5150         (m68k_expand_prologue): Update.
5151         (m68k_expand_epilogue): Update.
5152         (legitimize_pic_address): Update.
5153         * config/rs6000/rs6000.c (rs6000_got_register): Update.
5154         (first_reg_to_save): Update.
5155         (first_altivec_reg_to_save): Update.
5156         (compute_vrsave_mask): Update.
5157         (compute_save_world_info): Update.
5158         (rs6000_stack_info): Update.
5159         (spe_func_has_64bit_regs_p): Update.
5160         (rs6000_ra_ever_killed): Update.
5161         (rs6000_emit_eh_reg_restore): Update.
5162         (rs6000_emit_allocate_stack): Update.
5163         (rs6000_emit_prologue): Update.
5164         (rs6000_emit_epilogue): Update.
5165         (rs6000_output_function_epilogue): Update.
5166         (output_profile_hook): Update.
5167         (rs6000_elf_declare_function_name): Update.
5168         * config/rs6000/rs6000.h (rs6000_args): Update.
5169         * config/rs6000/rs6000.md: Update.
5170         * config/mcore/mcore.c (mcore_expand_prolog): Update.
5171         * config/arc/arc.c (arc_output_function_epilogue): Update.
5172         * config/arc/arc.h (FRAME_POINTER_REQUIRED): Update.
5173         * config/darwin.c (machopic_function_base_name): Update.
5174         * config/score/score3.c (score3_compute_frame_size): Update.
5175         (rpush): Update.
5176         (rpop): Update.
5177         (score3_epilogue): Update.
5178         * config/score/score7.c (score7_compute_frame_size): Update.
5179         (score7_prologue): Update.
5180         (score7_epilogue): Update.
5181         * config/score/score.h (FRAME_POINTER_REQUIRED): Update.
5182         * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
5183         * config/arm/arm.c (use_return_insn): Update.
5184         (require_pic_register): Update.
5185         (arm_load_pic_register): Update.
5186         (arm_compute_save_reg0_reg12_mask): Update.
5187         (arm_compute_save_reg_mask): Update.
5188         (thumb1_compute_save_reg_mask): Update.
5189         (output_return_instruction): Update.
5190         (arm_output_function_prologue): Update.
5191         (arm_output_epilogue): Update.
5192         (arm_get_frame_offsets): Update.
5193         (arm_expand_prologue): Update.
5194         (thumb_pushpop): Update.
5195         (thumb_exit): Update.
5196         (thumb1_expand_prologue): Update.
5197         (thumb1_expand_epilogue): Update.
5198         (arm_unwind_emit): Update.
5199         (arm_output_fn_unwind): Update.
5200         * config/arm/arm.h (FRAME_POINTER_REQUIRED): Update.
5201         * config/arm/arm.md: Update.
5202         * config/pa/pa.md: Update.
5203         * config/pa/pa.c (legitimize_pic_address): Update.
5204         (compute_frame_size): Update.
5205         (hppa_expand_prologue): Update.
5206         (hppa_expand_epilogue): Update.
5207         (borx_reg_operand): Update.
5208         * config/pa/pa.h (FRAME_POINTER_REQUIRED): Update.
5209         (HARD_REGNO_RENAME_OK): Update.
5210         * config/mips/mips.c (mips_global_pointer): Update.
5211         (mips_save_reg_p): Update.
5212         (mips_compute_frame_info): Update.
5213         (mips_frame_pointer_required): Update.
5214         (mips_expand_prologue): Update.
5215         (mips_expand_epilogue): Update.
5216         (mips_can_use_return_insn): Update.
5217         (mips_reorg_process_insns): Update.
5218         * config/v850/v850.c (compute_register_save_size): Update.
5219         * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Update.
5220         * config/mmix/mmix.c (along): Update.
5221         (mmix_expand_epilogue): Update.
5222         * config/bfin/bfin.c (legitimize_pic_address): Update.
5223         (must_save_p): Update.
5224         (stack_frame_needed_p): Update.
5225         (add_to_reg): Update.
5226         (bfin_expand_prologue): Update.
5227         * stmt.c (expand_asm_operands): Update.
5228         * reload1.c (reload): Update.
5229         (init_elim_table): Update.
5230
5231 2008-04-25  Bob Wilson  <bob.wilson@acm.org>
5232         
5233         * optabs.c (expand_float): Fix REG_EQUAL for UNSIGNED_FLOAT libcall.
5234         
5235 2008-04-25  H.J. Lu  <hongjiu.lu@intel.com>
5236
5237         * config/i386/sse.md (mov<mode>): Replace SSEMODEI with SSEMODE.
5238         (*mov<mode>_internal): Likewise.  Support V4SF and V2DF.
5239         (mov<mode>): Removed.
5240         (*movv4sf_internal): Likewise.
5241         (*movv2df_internal): Likewise.
5242
5243 2008-04-25  Pompapathi V Gadad <Pompapathi.V.Gadad@nsc.com>
5244
5245         * config.gcc (crx-*-elf): Remove deprecation.
5246
5247 2008-04-25  Danny Smith  <dannysmith@users.sourceforge.net>
5248
5249         * config/i386/cygming-crtend.c (register_frame_ctor): Register
5250         __gcc_deregister_frame with atexit.
5251         (deregister_frame_dtor): Remove.
5252
5253 2008-04-24  Nathan Froyd  <froydnj@codesourcery.com>
5254             Nathan Sidwell  <nathan@codesourcery.com>
5255
5256         * config/rs6000/rs6000.opt (mspe): Remove Var property.
5257         (misel): Likewise.
5258         * config/rs6000/rs6000.h (rs6000_spe): Declare.
5259         (rs6000_isel): Likewise.
5260         * config/rs6000/rs6000.c (rs6000_spe): New variable.
5261         (rs6000_isel): New variable.
5262         (rs6000_handle_option): Handle OPT_mspe and OPT_misel.
5263
5264 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
5265
5266         PR c++/35758
5267         * c-common.c (handle_vector_size_attribute): Call
5268         lang_hooks.types.reconstruct_complex_type instead of
5269         reconstruct_complex_type.
5270         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Likewise.
5271         * config/spu/spu.c (spu_handle_vector_attribute): Likewise.
5272         * langhooks.h (struct lang_hooks_for_types): Add
5273         reconstruct_complex_type hook.
5274         * langhooks-def.h (LANG_HOOKS_RECONSTRUCT_COMPLEX_TYPE): Define.
5275         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add it.
5276
5277 2008-04-24  Richard Guenther  <rguenther@suse.de>
5278
5279         * c-common.h (check_builtin_function_arguments): Declare.
5280         * c-common.c (validate_nargs): New function.
5281         (check_builtin_function_arguments): Likewise.
5282         * c-typeck.c (build_function_call): Call
5283         check_builtin_function_arguments.
5284         * builtins.c (fold_builtin_classify): Remove error reporting code.
5285         (fold_builtin_unordered_cmp): Likewise.
5286         (fold_builtin_1): Likewise.
5287         (fold_builtin_n): Likewise.
5288
5289 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
5290
5291         PR tree-optimization/36008
5292         * fold-const.c (try_move_mult_to_index): If s == NULL, divide
5293         the original op1, rather than delta by step.
5294
5295 2008-04-22  Antoniu Pop  <antoniu.pop@gmail.com>
5296             Sebastian Pop  <sebastian.pop@amd.com>
5297
5298         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
5299         eliminate_local_variables_stmt, eliminate_local_variables,
5300         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
5301         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
5302         of code delimited by two edges in the CFG.
5303         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
5304         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
5305         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate 
5306         the case of parallelisation of reductions.
5307         (expr_invariant_in_region_p): New.
5308
5309         * tree-flow.h (gather_blocks_in_sese_region): Declared.
5310         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
5311
5312 2008-04-24  Ira Rosen  <irar@il.ibm.com>
5313             Richard Guenther  <rguenther@suse.de>
5314
5315         PR tree-optimization/36034
5316         * tree-vect-analyze.c (vect_analyze_group_access): SLP is
5317         incapable of dealing with loads with gaps.
5318
5319 2008-04-24  Rafael Espindola  <espindola@google.com>
5320
5321         * tree-flow.h (vrp_evaluate_conditional): Change signature.
5322         * tree-ssa-propagate.c (fold_predicate_in): Update call to
5323         vrp_evaluate_conditional.
5324         * tree-vrp.c (vrp_evaluate_conditional_warnv): Remove.
5325         (vrp_evaluate_conditional): Split the cond argument.
5326         (vrp_visit_cond_stmt): Use vrp_evaluate_conditional_warnv_with_ops.
5327         (simplify_stmt_for_jump_threading): Update call to
5328         vrp_evaluate_conditional.
5329
5330 2008-04-24  Ira Rosen  <irar@il.ibm.com>
5331
5332         PR tree-optimization/35982
5333         * tree-vect-analyze.c (vect_check_interleaving): Check that the
5334         interleaved data-refs are of the same type.
5335
5336 2008-04-24  Danny Smith  <dannysmith@users.net>
5337
5338         * c-format.c (check_format_info_main): Use strncmp rather than a
5339         magic prefix to handle multichar length specs.
5340         * config/i386/msformat-c.c (format_length_info ms_printf_length_specs):
5341         Don't prefix "I64" and "I32" with '\0'.
5342
5343 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
5344
5345         PR target/36015
5346         * config/i386/i386.c (init_cumulative_args): Don't pass anything
5347         in registers for -m32 only if stdarg_p (fntype).
5348
5349 2008-04-24  Uros Bizjak  <ubizjak@gmail.com>
5350
5351         PR rtl-optimization/36006
5352         * expmed.c (store_fixed_bit_field): Copy op0 rtx before moving
5353         temp to op0 in order to avoid invalid rtx sharing.
5354
5355 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
5356
5357         * tree-cfg.c (verify_expr): Check with is_gimple_address.  Don't
5358         check TREE_INVARIANT.
5359         * tree-gimple.c (is_gimple_address): New.
5360         (is_gimple_invariant_address): Simplify using decl_address_invariant_p.
5361         * tree-gimple.h (is_gimple_address): New.
5362         * tree.h (decl_address_invariant_p): New.
5363         * tree.c (make_node_stat): Don't set TREE_INVARIANT.
5364         (build_string): Likewise.
5365         (decl_address_invariant_p): New, from is_gimple_invariant_address.
5366         (tree_invariant_p_1): Likewise.
5367         (save_expr): Use it.
5368         (tree_invariant_p): New.
5369         (skip_simple_arithmetic): Use it.
5370         (stabilize_reference_1): Use it.
5371         (recompute_tree_invariant_for_addr_expr): Don't update TREE_INVARIANT,
5372         simplify.
5373         (build1_stat): Drop code to compute TREE_INVARIANT.
5374         (build2_stat): Drop code to compute TREE_INVARIANT.
5375         (build3_stat): Drop code to compute TREE_INVARIANT.
5376         (build4_stat): Drop code to compute TREE_INVARIANT.
5377         (build5_stat): Drop code to compute TREE_INVARIANT.
5378         (build7_stat): Drop code to compute TREE_INVARIANT.
5379         (merge_dllimport_decl_attributes): Don't mention TREE_INVARIANT.
5380         * tree.h (struct tree_base): Remove invariant_flag.
5381         (TREE_INVARIANT): Remove.
5382         * builtins.c (build_string_literal): Don't set TREE_INVARIANT.
5383         (fold_builtin_expect): Check TREE_CONSTANT.
5384         * tree-ssa-ccp.c (fold_stmt_r): Adjust comment.
5385         * c-tree.h (c_expr_to_decl): Drop third parameter.
5386         * c-typeck.c (build_external_ref): Don't set TREE_INVARIANT.
5387         (build_c_cast): Don't set TREE_INVARIANT.
5388         (pop_init_level): Don't set TREE_INVARIANT.
5389         (c_objc_common_truthvalue_conversion): Don't set TREE_INVARIANT.
5390         * gimplify.c (gimplify_init_ctor_preeval): Add assertion, test
5391         TREE_CONSTANT.
5392         (gimplify_init_constructor): Don't set TREE_INVARIANT.
5393         (gimplify_addr_expr): Adjust comment.
5394         * tree-mudflap.c (mf_build_string):
5395         * print-tree.c (print_node): Don't print TREE_INVARIANT.
5396         * tree-nested.c (convert_nonlocal_reference): Adjust comment.
5397         * c-common.c (fix_string_type): Don't set TREE_INVARIANT.
5398         * langhooks-def.h (lhd_expr_to_decl): Drop third parameter.
5399         * langhooks.c (lhd_expr_to_decl): Drop third parameter.
5400         * langhooks.h (struct lang_hooks): Drop third parameter from
5401         expr_to_decl.
5402
5403 2008-04-23  Richard Guenther  <rguenther@suse.de>
5404
5405         PR tree-optimization/27799
5406         PR tree-optimization/32921
5407         PR tree-optimization/32624
5408         * tree-ssa-structalias.c (merge_smts_into): Only merge the
5409         SMTs aliases and the tag itself into the solution.
5410         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Do not
5411         merge the points-to solution back into the SMT aliases.
5412         (may_alias_p): Use alias_set_subset_of instead of
5413         aliases_conflict_p.  A pointer which points to
5414         memory with alias set zero may access any variable.
5415
5416 2008-04-23  Richard Guenther  <rguenther@suse.de>
5417
5418         * alias.c (alias_set_subset_of): Correctly handle asking
5419         if zero is a subset of an alias set with zero child.
5420         * tree-ssa-alias.c (have_common_aliases_p): Simplify logic.
5421         (compute_flow_insensitive_aliasing): Correctly walk all
5422         pointers.  Do not unnecessarily union sets.
5423
5424 2008-04-23  Richard Guenther  <rguenther@suse.de>
5425
5426         PR middle-end/36021
5427         * c-common.c (handle_alloc_size_attribute): Use type_num_arguments.
5428
5429 2008-04-22  Tomas Bily  <tbily@suse.cz>
5430
5431         * tree-cfg.c (verify_expr): Check for NON_LVALUE_EXPR as
5432         unreachable case.
5433         * tree-vrp.c (extract_range_from_unary_expr): Removed unused
5434         NON_LVALUE_EXPR.
5435         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
5436         * tree-ssa-structalias.c (get_constraint_for): Likewise.
5437         * tree-inline.c (estimate_num_insns_1): Likewise.
5438         * varasm.c (const_hash_1, compare_constant, copy_constant)
5439         (compute_reloc_for_constant, output_addressed_constants): Likewise.
5440         * emit-rtl.c (component_ref_for_mem_expr)
5441         (set_mem_attributes_minus_bitpos): Likewise.
5442         * expr.c (highest_pow2_factor, expand_expr_real_1, )
5443         (is_aligning_offset): Likewise.
5444         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info): Likewise.
5445         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
5446         * dojump.c (do_jump): Likewise.
5447         * builtins.c (get_pointer_alignment, get_memory_rtx)
5448         (integer_valued_real_p, fold_builtin_next_arg): Likewise.
5449         * tree-scalar-evolution.c (instantiate_parameters_1): Likewise.
5450
5451 2008-04-23  Jakub Jelinek  <jakub@redhat.com>
5452
5453         PR rtl-optimization/36017
5454         * builtins.c (expand_errno_check): Clear CALL_EXPR_TAILCALL before
5455         expanding the library call.
5456
5457 2008-04-22  Ian Lance Taylor  <iant@google.com>
5458
5459         * fold-const.c (pointer_may_wrap_p): Call int_size_in_bytes rather
5460         than size_in_bytes.
5461
5462 2008-04-22  Pat Haugen  <pthaugen@us.ibm.com>
5463
5464         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase cost
5465         of LR/CTR moves for Power6.
5466
5467 2008-04-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
5468
5469         PR middle-end/36003
5470         * passes.c (init_optimization_passes): Remove
5471         pass_fast_rtl_byte_dce.
5472         
5473 2008-04-22  Uros Bizjak  <ubizjak@gmail.com>
5474
5475         PR target/29096
5476         * config/i386/xmmintrin.h (_mm_cvtpi16_ps): Rearrange calls to
5477         builtin functions to generate faster code.
5478         (_mm_cvtpu16_ps): Ditto.
5479         (_mm_cvtpi32x2_ps): Ditto.
5480
5481 2008-04-22  Nick Clifton  <nickc@redhat.com>
5482
5483         * common.opt (ftree-loop-distribution): Add Optimization
5484         attribute.
5485
5486         * config/frv/frv.c (frv_stack_info): Use crtl instead of cfun.
5487         (frv_expand_builtin_va_start): Likewise.
5488
5489         * config/arm/arm.c (thumb_find_work_register): Fix location of
5490         argument register count.
5491
5492 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
5493
5494         Support scheduling for ColdFire V1 and V3 microarchitecture.
5495         Improve scheduling of multiplication instructions.
5496
5497         * config/m68k/m68k.md (cpu): Add cfv1 and cfv3.  Rename cf_v2 to cfv1.
5498         (mac): New instruction attribute.
5499         * config/m68k/m68k.c (override_options): Handle cfv1, cfv3 and mac.
5500         (m68k_sched_mac): New variable.
5501         (m68k_sched_attr_type2, m68k_sched_md_init_global): Update.
5502         Handle cfv1 and cfv3.
5503         (max_insn_size): New static variable.
5504         (struct _sched_ib): New type.
5505         (sched_ib): New static variable.
5506         (sched_ib_size, sched_ib_filled, sched_ib_insn): Convert variables
5507         to fields of 'struct _sched_ib sched_ib'.  Update all uses.
5508         (m68k_sched_variable_issue): Add modeling of cfv3 instruction buffer.
5509         Update.
5510         (m68k_sched_md_init_global, m68k_sched_md_finish_global,
5511         m68k_sched_md_init, m68k_sched_md_finish): Handle cfv1 and cfv3.  Init
5512         new variables.  Update.
5513         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
5514         Add modeling of cfv3 instruction buffer.  Update.
5515         * config/m68k/m68k-protos.h (m68k_sched_mac): Declare.
5516         * config/m68k/m68k.h (TUNE_CFV3): New macro.
5517         * config/m68k/cf.md: Change substrings 'cf_v2' to 'cfv12' or 'cfv123'.
5518         (cf_* reservations): Rename to cfv12 or cfv123 to indicate cores
5519         a particular reservation applies to.
5520         (type2): Reorganize attribute values.  Rename alu to alu_reg,
5521         alu_l to alu, move_l to omove.  Join move to alu.  Split mul
5522         to mul_l and mul_w.
5523         (cf_ib_*): Simplify description of instruction buffer.
5524         (cf_ib_w0, cf_ib_w4, cf_ib_w5, cf_ib_w6): Remove.
5525         (cf_mem): Split into cf_mem1 and cf_mem2.
5526         (cf_v2_move_??): Rename to cfv12_alu_??.
5527         (cf_v2_move_l_??): Rename to cfv12_omove_??.
5528         (cf_v2_mul_??): Remove reservations.
5529         (cfv12_mul_l_??, cfv12_mul_w_??, cfv12_mac_w_??, cfv12_mac_l_??,
5530         cfv12_emac_??, cfv12_emac_w_i0): New reservations.
5531         (cfv12_rts, cfv12_call, cfv12_bcc, cfv12_bra, cfv12_jmp): Move to
5532         appropriate place.
5533         (cfv3_alu_10, cfv3_omove_10, cfv3_alu_i0, cfv3_omove_i0, cfv3_alu_01,
5534         cfv3_alu_0i, cfv3_alu_11, cfv3_omove_11, cfv3_alu_i1, cfv3_omove_i1,
5535         cfv3_alu_1i, cfv3_omove_1i, cfv3_pea_11, cfv3_pea_i1, cfv3_mul_w_10,
5536         cfv3_mul_l_10, cfv3_mul_w_i0, cfv3_mac_w_10, cfv3_mac_l_10,
5537         cfv3_mac_w_i0, cfv3_emac_10, cfv3_emac_w_i0, cfv3_rts, cfv3_call,
5538         cfv3_bcc, cfv3_bra, cfv3_jmp): New reservations.
5539         (cfv3_*_1, cfv3_*_2, cfv3_*_3): New instruction reservations that are
5540         expansions of the above reservations for instructions of sizes
5541         1, 2 and 3 words.
5542
5543 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
5544
5545         * rtl-factoring.c (collect_patterns_seqs): Handle CC0 targets.
5546
5547 2008-04-21  Adam Nemet  <anemet@caviumnetworks.com>
5548
5549         * coverage.c: Include tree-pass.h.
5550         (coverage_counter_alloc): Print da_file_name to the dump file.
5551
5552 2008-04-21  Kenneth Zadeck  <zadeck@naturalbridge.com>
5553
5554         * sbitmap.c (sbitmap_range_empty_p): New function.
5555         * sbitmap.h (sbitmap_range_empty_p): New function.
5556         * bitmap.h: Now includes obstack.h.
5557
5558 2008-04-21  Richard Sandiford  <rsandifo@nildram.co.uk>
5559             Kenneth Zadeck  <zadeck@naturalbridge.com>
5560
5561         * dbgcnt.def (ra_byte_scan): Added.
5562         * dbgcnt.c (dbg_cnt): Added code to print message to dump_file
5563         when the last hit happens for a counter.  
5564         * timevar.def (TV_DF_BYTE_LR): New variable.
5565         * tree-pass.h (pass_fast_rtl_byte_dce): New pass.
5566         * passes.c (pass_fast_rtl_byte_dce): New pass.
5567         * fwprop.c (update_df): Added mode to call df_ref_create.
5568         Renamed DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
5569         DF_REF_EXTRACT_OFFSET.
5570         * df.h (DF_BYTE_LR, DF_BYTE_LR_BB_INFO, DF_BYTE_LR_IN, 
5571         DF_BYTE_LR_OUT, df_byte_lr): New macro.
5572         (df_mm): New enum.
5573         (df_ref_extract): Added mode field.
5574         (DF_REF_WIDTH, DF_REF_OFFSET) Renamed to DF_REF_EXTRACT_WIDTH and
5575         DF_REF_EXTRACT_OFFSET.
5576         (DF_REF_EXTRACT_MODE): New macro.
5577         (df_byte_lr_bb_info): New structure.
5578         (df_print_byte_regset, df_compute_accessed_bytes, 
5579         df_byte_lr_add_problem, df_byte_lr_get_regno_start,
5580         df_byte_lr_get_regno_len, df_byte_lr_simulate_defs,
5581         df_byte_lr_simulate_uses,
5582         df_byte_lr_simulate_artificial_refs_at_top,
5583         df_byte_lr_simulate_artificial_refs_at_end,
5584         df_compute_accessed_bytes): New function.
5585         (df_ref_create): Add parameter.
5586         (df_byte_lr_get_bb_info): New inline function.
5587         * df-scan.c (df_ref_record, df_uses_record,
5588         df_ref_create_structure): Added mode parameter.
5589         (df_ref_create, df_notes_rescan, df_ref_record, df_def_record_1, 
5590         df_defs_record, df_uses_record, df_get_conditional_uses,
5591         df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect, 
5592         df_entry_block_defs_collect, df_exit_block_uses_collect):
5593         Added mode parameter to calls to df_ref_record, df_uses_record,
5594         df_ref_create_structure.
5595         (df_ref_equal_p, df_ref_compare): Added test for modes.
5596         (df_ref_create_structure): Added code to set mode.  Renamed
5597         DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
5598         DF_REF_EXTRACT_OFFSET.
5599         * df-core.c (df_print_byte_regset): New function.
5600         * df-byte-scan.c: New file.
5601         * df-problems.c (df_rd_transfer_function): Removed unnecessary
5602         calls to BITMAP_FREE.  
5603         (df_byte_lr_problem_data, df_problem problem_BYTE_LR): New structure.
5604         (df_byte_lr_get_regno_start, df_byte_lr_get_regno_len,
5605         df_byte_lr_set_bb_info, df_byte_lr_free_bb_info, 
5606         df_byte_lr_check_regs, df_byte_lr_expand_bitmap, 
5607         df_byte_lr_alloc, df_byte_lr_reset, df_byte_lr_bb_local_compute,
5608         df_byte_lr_local_compute, df_byte_lr_init,
5609         df_byte_lr_confluence_0, df_byte_lr_confluence_n, 
5610         df_byte_lr_transfer_function, df_byte_lr_free, 
5611         df_byte_lr_top_dump, df_byte_lr_bottom_dump,
5612         df_byte_lr_add_problem, df_byte_lr_simulate_defs, 
5613         df_byte_lr_simulate_uses,
5614         df_byte_lr_simulate_artificial_refs_at_top,
5615         df_byte_lr_simulate_artificial_refs_at_end): New function.
5616         * dce.c (byte_dce_process_block): New function.
5617         (dce_process_block): au is now passed in rather than computed
5618         locally.  Changed loops that look at artificial defs to not look
5619         for conditional or partial ones, because there never are any.  
5620         (fast_dce): Now is able to drive byte_dce_process_block or 
5621         dce_process_block depending on the kind of dce being done.
5622         (rest_of_handle_fast_dce): Add parameter to fast_dce.
5623         (rest_of_handle_fast_byte_dce): New function.
5624         (rtl_opt_pass pass_fast_rtl_byte_dce): New pass.
5625         * Makefile.in (df-byte-scan.o, debugcnt.o): Added dependencies.
5626
5627 2008-04-21  Daniel Franke  <franke.daniel@gmail.com>
5628
5629         PR fortran/35019
5630         * gcc.h: Added fortran options that take arguments to
5631         DEFAULT_SWITCH_TAKES_ARG and DEFAULT_WORD_SWITCH_TAKES_ARG
5632         macros.
5633
5634 2008-04-20  Eric Botcazou  <ebotcazou@adacore.com>
5635
5636         * tree-sra.c (sra_walk_expr) <VIEW_CONVERT_EXPR>: Disable
5637         scalarization if on the LHS and not a full access.
5638
5639 2008-04-20  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5640
5641         * Makefile.in (s-gtyp-input): Remove tmp-gi.list before writing it.
5642
5643 2008-04-18  Rafael Espindola  <espindola@google.com>
5644
5645         * tree-vrp.c (find_case_label_index): Fix the binary search.
5646         (find_case_label_range): New.
5647         (vrp_visit_switch_stmt): Use find_case_label_range.
5648         (simplify_switch_using_ranges): Use find_case_label_range.
5649
5650 2008-04-18  Eric Botcazou  <ebotcazou@adacore.com>
5651
5652         * gimplify.c (gimplify_modify_expr_rhs) <COND_EXPR>: Gimplify the LHS
5653         using the is_gimple_lvalue predicate instead of is_gimple_min_lval.
5654
5655 2008-04-18  Tom Tromey  <tromey@redhat.com>
5656
5657         PR libcpp/15500:
5658         * doc/cpp.texi (Implementation-defined behavior): Mention
5659         -finput-charset.
5660
5661 2008-04-18  Ian Lance Taylor  <iant@google.com>
5662
5663         * fold-const.c (pointer_may_wrap_p): New static function.
5664         (fold_comparison): Add another test for pointer overflow.  Use
5665         pointer_may_wrap_p to disable some false positives.
5666
5667 2008-04-18  Kris Van Hees <kris.van.hees@oracle.com>
5668           
5669         * c-common.c (CHAR16_TYPE, CHAR32_TYPE): New macros.
5670         (fname_as_string): Match updated cpp_interpret_string prototype.
5671         (fix_string_type): Support char16_t* and char32_t*.
5672         (c_common_nodes_and_builtins): Add char16_t and char32_t (and
5673         derivative) nodes.  Register as builtin if C++0x.
5674         (c_parse_error): Support CPP_CHAR{16,32}.
5675         * c-common.h (RID_CHAR16, RID_CHAR32): New elements. 
5676         (enum c_tree_index) <CTI_CHAR16_TYPE, CTI_SIGNED_CHAR16_TYPE,
5677         CTI_UNSIGNED_CHAR16_TYPE, CTI_CHAR32_TYPE, CTI_SIGNED_CHAR32_TYPE,
5678         CTI_UNSIGNED_CHAR32_TYPE, CTI_CHAR16_ARRAY_TYPE,
5679         CTI_CHAR32_ARRAY_TYPE>: New elements.
5680         (char16_type_node, signed_char16_type_node, unsigned_char16_type_node,
5681         char32_type_node, signed_char32_type_node, char16_array_type_node,
5682         char32_array_type_node): New defines.
5683         * c-lex.c (cb_ident): Match updated cpp_interpret_string prototype.
5684         (c_lex_with_flags): Support CPP_CHAR{16,32} and CPP_STRING{16,32}.
5685         (lex_string): Support CPP_STRING{16,32}, match updated
5686         cpp_interpret_string and cpp_interpret_string_notranslate prototypes.
5687         (lex_charconst): Support CPP_CHAR{16,32}.
5688         * c-parser.c (c_parser_postfix_expression): Support CPP_CHAR{16,32}
5689         and CPP_STRING{16,32}.
5690
5691 2008-04-18  Paolo Bonzini  <bonzini@gnu.org>
5692
5693         PR bootstrap/35457
5694         * aclocal.m4: Regenerate.
5695         * configure: Regenerate.
5696
5697 2008-04-18  Jan Hubicka  <jh@suse.cz>
5698
5699         * except.c (dw2_size_of_call_site_table,
5700         sjlj_size_of_call_site_table): Use vector API for call_site_record.
5701
5702         * cgraphbuild.c (build_cgraph_edges): Update.
5703         * tree-pass.h: Update comment.
5704         * final.c (leaf_function_p): Update.
5705         (leaf_renumber_regs): Update.
5706         (rest_of_clean_state): Update.
5707         * omp-low.c (expand_omp_parallel): Update.
5708         * ipa-reference.c (analyze_function): Update.
5709         * reorg.c (find_end_label): Update.
5710         (optimize_skip): Update.
5711         (fill_simple_delay_slots): Update.
5712         (fill_simple_delay_slots): Update.
5713         (make_return_insns): Update.
5714         (dbr_schedule): Update.
5715         * gimple-low.c (record_vars_into): Update.
5716         * cfgbuild.c (make_edges): Update.
5717         * function.c (assign_stack_local): Update.
5718         (assign_parm_adjust_stack_rtl): Update.
5719         (locate_and_pad_parm): Update.
5720         (allocate_struct_function): Do not initialize stack_alignment_needed
5721         and preferred_stack_boundary here.
5722         (stack_protect_prologue): Update.
5723         (stack_protect_epilogue): Update.
5724         (expand_function_start): Initialize stack_alignment_needed,
5725         preferred_stack_boundary and max_jumptable_ents.
5726         (expand_function_end): Update.
5727         (free_after_compilation): Do not NULLify epilogue_delay_list.
5728         * function.h (struct rtl_data): Add stack_protect_guard,
5729         stack_alignment_needed,
5730         preferred_stack_boundary, epilogue_delay_list.
5731         (struct function): Remove value_histograms, stack_alignment_needed,
5732         preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
5733         last_label_uid,
5734         unexpanded_var_list, stack_protect_guard.
5735         (current_function_epilogue_delay_list): Remove.
5736         * ipa-type-escape.c (analyze_function): Update.
5737         * gimplify.c (pop_gimplify_context): Update comment.
5738         * calls.c (expand_call): Update.
5739         (emit_library_call_value_1): Update.
5740         * except.c (set_nothrow_function_flags): Update.
5741         * cfgexpand.c (get_decl_align_unit): Update.
5742         (create_stack_guard): Update.
5743         (estimated_stack_frame_size): Update.
5744         (expand_used_vars): Update.
5745         (tree_expand_cfg): Free histogram earliers, init expansion variables.
5746         * explow.c (allocate_dynamic_stack_space): Update.
5747         * tree-ssa-live.c (remove_unused_locals): Update.
5748         * varasm.c (mark_constant_pool): Update.
5749         * tree-inline.c (remap_decls): Update.
5750         (initialize_cfun): Update.
5751         (declare_return_variable): Update.
5752         (inline_forbidden_p): Update.
5753         (expand_call_inline): Update.
5754         (declare_inline_vars): Update.
5755         (tree_function_versioning): Update.
5756         * tree-flow.h (value_histograms): New.
5757         (VALUE_HISTOGRAMS): New macro.
5758         * basic-block.h (control_flow_graph): Add max_jumptable_ents,
5759         last_label_uid.
5760         * tree-cfg.c (set_bb_for_stmt): Update.
5761         (replace_by_duplicate_decl): Update.
5762         (move_block_to_fn): Update.
5763         (new_label_mapper): Update.
5764         (dump_function_to_file): Update.
5765         * ipa-struct-reorg.c (build_data_structure): Update.
5766         * cfgrtl.c (print_rtl_with_bb): Update.
5767         * reload1.c (reload): Update.
5768         (reload): Update.
5769         * config/i386/i386.c (setup_incoming_varargs_64,
5770         ix86_compute_frame_layout): Update.
5771         * config/arc/arc.c (arc_output_function_epilogue): Update.
5772
5773 2008-04-18  Marius Strobl <marius@FreeBSD.org>
5774
5775         * gthr-posix.h (__gthread_active_p): Use the Solaris implementation
5776         for FreeBSD as well.
5777         * gthr-posix95.h: Likewise.
5778
5779 2008-04-17  Richard Sandiford  <rsandifo@nildram.co.uk>
5780
5781         PR rtl-optimization/35838
5782         * dse.c (find_shift_sequence): Use subreg_lowpart_offset to work
5783         out the byte offset of the first subreg.
5784
5785 2008-04-17  Uros Bizjak  <ubizjak@gmail.com>
5786
5787         * config/i386/i386.md (addti3 splitter): Pass arrays of 3 operands
5788         to split_ti instead of three separate calls with single member arrays.
5789         (subti3 splitter): Ditto.
5790         (adddi3 splitter): Ditto with split_di.
5791         (subdi3 splitter): Ditto.
5792         (negti2 splitter): Pass arrays of 2 operands to split_ti instead of
5793         two separate calls with single member arrays.  Swap match_dup
5794         operands 1 and 2 to better fit into the array.
5795         (negdi2 splitter): Ditto with split_di.
5796         (movdfcc splitter):  Pass arrays of 2 operands to split_di instead of
5797         two separate calls with single member arrays.  Swap match_dup operands
5798         6 and 7 to better fit into the array.
5799
5800 2008-04-17  H.J. Lu  <hongjiu.lu@intel.com>
5801
5802         * config/i386/i386.c (sse_builtin_type): New.
5803         (bdesc_sse_args): Likewise.
5804         (bdesc_sse_3arg): Removed.
5805         (bdesc_2arg): Remove IX86_BUILTIN_AESKEYGENASSIST128.
5806         (bdesc_1arg): Remove IX86_BUILTIN_ROUNDPD and
5807         IX86_BUILTIN_ROUNDPS.
5808         (ix86_init_mmx_sse_builtins): Handle bdesc_sse_args.  Remove
5809         bdesc_sse_3arg.  Remove IX86_BUILTIN_ROUNDPD and
5810         IX86_BUILTIN_ROUNDPS.
5811         (ix86_expand_sse_4_operands_builtin): Removed.
5812         (ix86_expand_sse_operands_builtin): New.
5813         (ix86_expand_unop_builtin): Remove CODE_FOR_sse4_1_roundpd
5814         and CODE_FOR_sse4_1_roundps.
5815         (ix86_expand_builtin): Remove IX86_BUILTIN_AESKEYGENASSIST128.
5816         Handle bdesc_sse_args.  Remove bdesc_sse_3arg.
5817
5818 2008-04-17  Alan Modra  <amodra@bigpond.net.au>
5819
5820         PR target/35907
5821         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Restore vr and vrsave
5822         regs before frame pop when needed.  If use_backchain_to_restore_sp
5823         then load backchain into a temp reg to restore vr and vrsave.  Add
5824         code to restore vr after frame pop if possible.
5825
5826 2008-04-17  Richard Guenther  <rguenther@suse.de>
5827
5828         * tree-vn.c (expressions_equal_p): Do not check type
5829         equality or compatibility before calling operand_equal_p.
5830         * fold-const.c (operand_equal_p): Check equivalence of
5831         integer constants before bailing out due to signedness or
5832         precision differences.
5833         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Ignore
5834         spurious differences in type qualification.  Ignore types
5835         for COMPONENT_REFs at all.
5836
5837 2008-04-17  Christian Bruel  <christian.bruel@st.com>
5838
5839         * config/sh/sh.c (expand_cbranchdi4): Use original operands for
5840         msw_skip comparison.
5841         
5842 2008-04-16  Jakub Jelinek  <jakub@redhat.com>
5843
5844         PR c/35739
5845         * tree-nrv.c (tree_nrv): Don't optimize if result_type is GIMPLE
5846         reg type.
5847
5848         PR tree-optimization/35899
5849         * tree-inline.c (expand_call_inline): Use GIMPLE_STMT_OPERAND
5850         rather than TREE_OPERAND.
5851
5852 2008-04-16  Uros Bizjak  <ubizjak@gmail.com>
5853
5854         PR target/35944
5855         * config/i386/i386.md (fmodxf3): Copy operand 1 and operand 2 into
5856         temporary registers.  Change operand predicate to general_operand.
5857         (remainderxf3): Ditto.
5858
5859 2008-04-16  Richard Guenther  <rguenther@suse.de>
5860
5861         * Makefile.in (tree-affine.o): Add $(FLAGS_H) dependency.
5862         * tree-affine.c (aff_combination_expand): Look through some
5863         conversions.
5864
5865 2008-04-15  Doug Kwan  <dougkwan@google.com>
5866
5867         * dwarf2asm.c (dw2_assemble_integer): Cast to unsigned HOST_WIDE_INT
5868         for hex printing.
5869         * tree-pretty-print.c (dump_generic_node): Ditto.
5870         * final.c (output_addr_const): Ditto.
5871         * dwarf2out.c (output_cfi): Ditto.
5872         * c-pretty-print.c (pp_c_integer_constant): Ditto.
5873         * print-rtl.c (print_rtx): Ditto.
5874         * print-tree.c (print_node_brief, print_node): Ditto.
5875         * c-common.c (match_case_to_enum_1): Ditto.
5876         * sched-vis.c (print_value): Ditto.
5877         * config/i386/i386.c (print_operand): Cast to long unsigned int
5878         for hex printing.
5879
5880 2008-04-15  Danny Smith  <dannysmith@users.sourceforge.net>
5881         * libgcc2.c [L_trampoline]: Remove  unnecessary prototype for
5882         MS Windows VirtualProtect function.
5883
5884 2008-04-15  Jan Hubicka  <jh@suse.cz>
5885
5886         * gengtype.c (write_root): Param_is argument is OK.
5887         * expr.c (expand_expr_real_1): Update call of get_exception_*.
5888         * function.h: Include varray.h
5889         (rtl_eh): New stucture based on except.c one.
5890         (call_site_record): New forward declaration and vector type.
5891         * calls.c (emit_call_1): Do not call
5892         note_current_region_may_contain_throw.
5893         * except.c (eh_status): Remove cur_region, try_region since they are
5894         unused.
5895         Move filter, exc_ptr, ttype_data, ehspec_data, action_record_data and
5896         exception_handler_label_map, ehr_stackadj, ehr_handler, ehr_label,
5897         sjlj_fc, sjlj_exit_after to rth_eh in function.h. 
5898         Remove call_site_data_used, call_site_data_size.
5899         Turn call_site_record into vector in function.h.
5900         (note_current_region_may_contain_throw): Remove.
5901         (get_exception_pointer, get_exception_filter): Do not take struct
5902         function argument; update.
5903         (add_ehl_entry, find_exception_handler_labels, ehspec_filter_hash,
5904         add_ttypes_entry, add_ehspec_entry, assign_filter_values,
5905         build_post_landing_pads, dw2_build_landing_pads,
5906         sjlj_assign_call_site_values, sjlj_mark_call_sites,
5907         sjlj_emit_function_enter, sjlj_emit_function_enter, 
5908         sjlj_emit_function_exit, sjlj_emit_dispatch_table,
5909         sjlj_build_landing_pads, finish_eh_generation,
5910         remove_exception_handler_label, remove_eh_handler,
5911         maybe_remove_eh_handler, add_reachable_handler,
5912         reachable_handlers, expand_builtin_eh_return, expand_eh_return,
5913         add_action_record, collect_one_action_chain, add_call_site,
5914         convert_to_eh_region_ranges, sjlj_size_of_call_site_table,
5915         sjlj_output_call_site_table, output_function_exception_table,
5916         * except.h (note_current_region_may_contain_throw): Remove
5917         (get_exception_pointer, get_exception_filter): Do not take struct
5918         function argument.
5919         * Makefile.in (GTFILES): Put varargs before struct function.
5920
5921 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
5922
5923         * tree-ssa-structalias.c (get_constraint_for_component_ref): Do not
5924         punt for STRING_CST.
5925         (get_constraint_for): Deal with STRING_CST here instead.
5926
5927 2008-04-15  Richard Guenther  <rguenther@suse.de>
5928
5929         * tree-ssa-propagate.c (substitute_and_fold): Substitute
5930         statements in a basic-block with a backward walk.  Do not
5931         substitute into dead statements but instead remove those.
5932
5933 2008-04-15  Richard Guenther  <rguenther@suse.de>
5934
5935         * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Set default
5936         to zero, thus disable creation of SFTs.
5937
5938 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
5939
5940         * tree-predcom.c (suitable_reference_p): Return false if the
5941         reference can throw.
5942
5943 2008-04-15  Jakub Jelinek  <jakub@redhat.com>
5944
5945         PR c/35751
5946         * c-decl.c (finish_decl): If extern or static var has variable
5947         size, set TREE_TYPE (decl) to error_mark_node.
5948
5949 2008-04-15  Rafael Espindola  <espindola@google.com>
5950
5951         * fold-const.c (tree_call_nonnegative_warnv_p): Remove local
5952         variable arg1.
5953
5954 2008-04-15  Richard Guenther  <rguenther@suse.de>
5955
5956         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
5957         * tree-ssa-sccvn.c (vn_reference_lookup): New parameter maywalk.
5958         (visit_reference_op_load): Do walk vuse-vdef chains on
5959         vn_reference_lookup.
5960         (visit_reference_op_store): But do not here.
5961         * tree-vn.c (vn_lookup): Do not walk vuse-vdef chains on
5962         vn_reference_lookup.
5963         (vn_lookup_with_vuses): But do so here.
5964
5965 2008-04-14  Ian Lance Taylor  <iant@google.com>
5966
5967         * fold-const.c (fold_overflow_warning): Remove assertion.
5968
5969 2008-04-15  Ben Elliston  <bje@au.ibm.com>
5970
5971         * config/alpha/alpha.c (alpha_initialize_trampoline): Remove temp,
5972         temp1 local variables.
5973
5974 2008-04-15  Zuxy Meng  <zuxy.meng@gmail.com>
5975
5976         PR target/35661
5977         * config/i386/winnt.c (i386_pe_section_type_flags): Mark
5978         ".text.unlikely" section as executable.
5979
5980 2008-04-14  James E. Wilson  <wilson@tuliptree.org>
5981
5982         * config/ia64/ia64.c (rtx_needs_barrier): Handle
5983         UNSPEC_FR_SQRT_RECIP_APPROX_RES.
5984         * config/ia64/ia64.c (UNSPEC_FR_SQRT_RECIP_APPROX_RES): Define.
5985         (divsi3_internal, divdi3_internal_lat, divdi3_internal_thr,
5986         divsf3_internal_lat, sqrt_approx, sqrtsf2_internal_thr,
5987         divdf3_internal_lat, sqrtdf2_internal_thr, divxf3_internal_lat,
5988         divxf3_internal_thr, sqrtxf2_internal_thr, recip_approx): Use it.
5989
5990 2008-04-14  Ian Lance Taylor  <iant@google.com>
5991
5992         * flags.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Define.
5993         * fold-const.c (fold_comparison): If appropriate, test
5994         POINTER_TYPE_OVERFLOW_UNDEFINED, and issue an overflow warning.
5995         (fold_binary): Test POINTER_TYPE_OVERFLOW_UNDEFINED when
5996         reassociating a pointer type.
5997         * doc/invoke.texi (Optimize Options): Document that
5998         -fstrict-overflow applies to pointer wraparound.
5999
6000 2008-04-13  Jan Hubicka  <jh@suse.cz>
6001
6002         * m32.c (m32c_pushm_popm): Use crtl->retrun_rtx.
6003
6004 2008-04-12  Andrew Pinski  <pinskia@gmail.com>
6005
6006         * config/rs6000/rs6000.c (compute_save_world_info): Set lr_save_p if
6007         we are going to "save the world".
6008
6009 2008-04-13  Hans-Peter Nilsson  <hp@axis.com>
6010
6011         * config/cris/cris.md ("*andhi_lowpart_non_v32", "*andhi_lowpart_v32")
6012         ("*andqi_lowpart_non_v32", "*andqi_lowpart_v32"): Use "+" for the
6013         operand 0 constraint, not "=".
6014
6015 2008-04-11  James E. Wilson  <wilson@tuliptree.org>
6016
6017         * system.h: Change ASSERT_CHECKING to ENABLE_ASSERT_CHECKING.
6018
6019 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
6020
6021         * dse.c (record_store): Use HOST_BITS_PER_WIDE_INT instead
6022         of size of positions_needed * CHAR_BIT.
6023
6024 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
6025
6026         PR middle-end/35897
6027         * dse.c (store_info): Change positions_needed to unsigned
6028         HOST_WIDE_INT.
6029         (lowpart_bitmask): New.
6030         (record_store): Cast to unsigned HOST_WIDE_INT for
6031         positions_needed.  Assert width <= size of positions_needed *
6032         CHAR_BIT.  Call lowpart_bitmask to initialize positions_needed.
6033         (check_mem_read_rtx): Use unsigned HOST_WIDE_INT on mask.  Call
6034         lowpart_bitmask to set mask.
6035
6036 2008-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
6037
6038         * config/bfin/constraints.md: New file.
6039         * config/bfin/bfin.md: Include it.
6040         (adddi3): Use satisfies_constraint functions instead of the old macros.
6041         * config/bfin/bfin.h (REG_CLASS_FROM_LETTER, CONSTRAINT_LEN,
6042         CONST_18UBIT_IMM_P, CONST_16BIT_IMM_P, CONST_16UBIT_IMM_P,
6043         CONST_7BIT_IMM_P, CONST_7NBIT_IMM_P, CONST_5UBIT_IMM_P,
6044         CONST_4BIT_IMM_P, CONST_4UBIT_IMM_P, CONST_3BIT_IMM_P,
6045         CONST_3UBIT_IMM_P, CONST_OK_FOR_K, CONST_OK_FOR_P, CONST_OK_FOR_M,
6046         CONST_OK_FOR_CONSTRAINT_P, CONST_DOUBLE_OK_FOR_LETTER,
6047         EXTRA_CONSTRAINT): Delete.
6048         * config/bfin/predicates.md (highbits_operand, reg_or_7bit_operand,
6049         reg_or_neg7bit_operand): Use satisfies_constraint functions instead
6050         of the old macros.
6051         * config/bfin/bfin.c: Include "tm-constrs.h".
6052         (bfin_secondary_reload, split_load_immediate, bfin_rtx_costs):
6053         Use satisfies_constraint functions instead of the old macros.
6054         * doc/md.texi (Blackfin Constraints): Update file name reference.
6055
6056 2008-04-11  Richard Guenther  <rguenther@suse.de>
6057
6058         PR tree-optimization/35869
6059         * tree-vrp.c (execute_vrp): Move switch statement update after
6060         jump threading.  Schedule another cfg cleanup run.
6061
6062 2008-04-11  Volker Reichelt  <v.reichelt@netcologne.de>
6063
6064         PR c/35744
6065         * attribs.c (decl_attributes): Return early on errorneous node.
6066
6067 2008-04-10  Oleg Ryjkov  <olegr@google.com>
6068
6069         * tree.h (struct tree_base): Added a new flag default_def_flag.
6070         (SSA_NAME_IS_DEFAULT_DEF): Changed to use the new flag.
6071
6072 2008-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
6073
6074         * config.gcc (need_64bit_hwint): Need 64bit hwint for sh-*-*.
6075
6076 2008-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6077
6078         PR target/35768
6079         * pa.md: Define mode iterator P.  Define mode attribute dwc.
6080         (dcacheflush): Update pattern to use iterator P and attribute dwc.
6081         (icacheflush): Likewise.
6082         * pa.h (INITIALIZE_TRAMPOLINE): Use dcacheflushsi/icacheflushsi if
6083         !TARGET_64BIT, and dcacheflushdi/icacheflushdi if TARGET_64BIT.
6084
6085 2008-04-11  Ben Elliston  <bje@au.ibm.com>
6086
6087         * config/spu/spu.c (spu_init_builtins): Mark builtins as nothrow.
6088
6089 2008-04-10  Rafael Espindola  <espindola@google.com>
6090
6091         * tree-vrp.c (extract_range_from_binary_expr): Don't handle
6092         TRUTH_ANDIF_EXPR or TRUTH_ORIF_EXPR.
6093         (extract_range_from_expr): The same.
6094
6095 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
6096
6097         * config/mips/mips.md (GPR2): New mode iterator.
6098         (seq): Add comment.
6099         (*seq_<mode>, *seq_<mode>_mips16, *sne_<mode>, *sgt<u>_<mode>,
6100         *sgt<u>_<mode>_mips16, *sge<u>_<mode>, *slt<u>_<mode>,
6101         *slt<u>_<mode>_mips16 *sle<u>_<mode>, *sle<u>_<mode>_mips16):
6102         Rewrite these to take two modes, the mode of comparison and the
6103         mode of the destination.
6104         * config/mips/mips.c (mips_expand_scc): Instead of having
6105         paradoxical subreg as destination, expand "narrowing" scc if mode
6106         of comparison is SI and target is requested in DI mode.
6107         (mips_emit_int_order_test): Update comment.  Make mode of
6108         comparison match CMP0 rather than TARGET.  When creating inverse
6109         target use mode of TARGET.
6110
6111 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
6112
6113         * gcov-dump.c (tag_summary): Only print summaries for the first
6114         GCOV_COUNTERS_SUMMABLE counters.
6115
6116 2008-04-10  Uros Bizjak  <ubizjak@gmail.com>
6117
6118         * config/i386/i386.md (absneg): New code iterator.
6119         (absnegprefix): New code attribute.
6120         (<code><mode>2): Macroize expander from abs<mode>2 and neg<mode>2
6121         patterns using absneg code iterator.
6122         (<code>tf2): Macroize expander from abstf2 and negtf2 patterns
6123         using absneg code iterator.
6124         (*<code><mode>2_1): Macroize insn pattern from *abs<mode>2_1 and
6125         *neg<mode>2 patterns using absneg code iterator.
6126         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
6127         *negextendsfdf2 patterns using absneg code iterator.
6128         (*<code>extendsfxf2): Macroize insn pattern from *absextendsfxf2 and
6129         *negextendsfxf2 patterns using absneg code iterator.
6130         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
6131         *negextendsfdf2 patterns using absneg code iterator.
6132         * config/i386/sse.md (<code><mode>2): Macroize expander from
6133         abs<mode>2 and neg<mode>2 patterns using absneg code iterator. 
6134
6135 2008-04-10  Andreas Krebbel  <krebbel1@de.ibm.com>
6136
6137         * config/s390/s390.h: Remove the remains of the recent search
6138         & replace action of current_function_outgoing_args_size.
6139
6140 2008-04-10  Ira Rosen  <irar@il.ibm.com>
6141
6142         PR tree-optimization/35821
6143         * tree-vect-transform.c (vect_create_data_ref_ptr): Add check that
6144         NEW_STMT_LIST is not NULL.
6145
6146 2008-04-09  David Edelsohn  <edelsohn@gnu.org>
6147
6148         PR libstdc++/35597
6149         * toplev.c (process_options): Remove -ffunction-sections debugging
6150         warning.
6151
6152 2008-04-09  Peter Bergner  <bergner@vnet.ibm.com>
6153
6154         PR middle-end/PR28690
6155         * explow.c (break_out_memory_refs): Use simplify_gen_binary rather
6156         than gen_rtx_fmt_ee to perform more canonicalizations.
6157
6158 2008-04-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6159
6160         PR driver/35665
6161         * collect2.c (write_c_file): Don't wrap in "#ifdef __cplusplus".
6162
6163 2008-04-09  Richard Guenther  <rguenther@suse.de>
6164
6165         * tree-cfg.c (verify_stmt): Print complete bogus stmt.
6166         (dump_function_to_file): Dump function arguments with types.
6167
6168 2008-04-08  Richard Guenther  <rguenther@suse.de>
6169
6170         * fold-const.c (fold_widened_comparison): Do not allow
6171         sign-changes that change the result.
6172
6173 2008-04-08  Janis Johnson  <janis187@us.ibm.com>
6174
6175         PR target/35839
6176         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle additional
6177         kinds of indirect references.
6178
6179 2008-04-08  David Edelsohn  <edelsohn@gnu.org>
6180
6181         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update
6182         GNU Fortran language string.
6183
6184 2008-04-08  Rafael Espindola  <espindola@google.com>
6185
6186         * fold-canst.c (tree_call_nonnegative_warnv_p): New.
6187         (tree_invalid_nonnegative_warnv_p): Use tree_call_nonnegative_warnv_p.
6188         * tree.h (tree_call_nonnegative_warnv_p): New.
6189
6190 2008-04-08  Jan Hubicka  <jh@suse.cz>
6191
6192         * function.c (free_after_compilation): Clear out regno_reg_rtx
6193         pointer.
6194
6195 2008-04-08  Peter Bergner  <bergner@vnet.ibm.com>
6196
6197         Revert
6198         2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
6199
6200         PR middle-end/PR28690
6201         * rtlanal.c: (commutative_operand_precedence): Give SYMBOL_REF's the
6202         same precedence as REG_POINTER and MEM_POINTER operands.
6203
6204 2008-04-08  Richard Guenther  <rguenther@suse.de>
6205
6206         PR middle-end/35834
6207         * tree-ssa-address.c (create_mem_ref): Use POINTER_PLUS_EXPR
6208         for adding index to base.
6209
6210 2008-04-08  Kai Tietz  <kai.tietz@onevision.com>
6211
6212         * config/i386/mingw32.h (ENABLE_EXECUTE_STACK): New.
6213         (MINGW_ENABLE_EXECUTE_STACK): New.
6214         (IN_LIBGCC2): For libgcc include windows.h file for
6215         function declarations.
6216
6217 2008-04-08  Hans-Peter Nilsson  <hp@axis.com>
6218
6219         * config/cris/cris.c (cris_address_cost): For a PLUS, swap tem1
6220         and tem2 if tem1 is not a REG or MULT.
6221
6222 2008-04-08  Jan Hubicka  <jh@suse.cz>
6223
6224         * function.h (incomming_args): Break out of struct function.
6225         (function_subsections): Break out of struct function.
6226         (rtl_data): Add args, subsections fields. Break out outgoing_args_size,
6227         return_rtx and hard_reg_initial_vals from struct function.
6228         Kill inl_max_label_num.
6229         (current_function_pops_args, current_function_args_info,
6230         current_function_args_size, current_function_args_size,
6231         current_function_pretend_args_size,
6232         current_function_outgoing_args_size,
6233         current_function_internal_arg_pointer, current_function_return_rtx):
6234         Kill compatibility accestor macros.
6235         * builtins.c (expand_builtin_apply_args_1): Update.
6236         (expand_builtin_next_arg): Update.
6237         * df-scan.c (df_get_call_refs): Update.
6238         * dbxout.c (dbxout_function_end): Update.
6239         * dwarf2out.c (dwarf2out_switch_text_section): Update.
6240         (output_line_info): Update.
6241         (secname_for_decl): Update.
6242         (dwarf2out_var_location): Update.
6243         * function.c (free_after_compilation): Update.
6244         (assign_parm_find_stack_rtl): Update.
6245         (assign_parms): Update.
6246         (expand_dummy_function_end): Update.
6247         (expand_function_end): Update.
6248         * calls.c (mem_overlaps_already_clobbered_arg_p): Update.
6249         (expand_call): Update.
6250         (emit_library_call_value_1): Update.
6251         (store_one_arg): Update.
6252         * varasm.c (initialize_cold_section_name): Update.
6253         (unlikely_text_section): Update.
6254         (unlikely_text_section_p): Update.
6255         (assemble_start_function): Update.
6256         (assemble_end_function): Update.
6257         (default_section_type_flags): Update.
6258         (switch_to_section): Update.
6259         * integrate.c (set_decl_abstract_flags): Update.
6260         (get_hard_reg_initial_val): Update.
6261         (has_hard_reg_initial_val): Update.
6262         (allocate_initial_values): Update.
6263         * resource.c (init_resource_info): Update.
6264         * config/alpha/alpha.c (NUM_ARGS): Update.
6265         (direct_return): Update.
6266         (alpha_va_start): Update.
6267         (alpha_sa_size): Update.
6268         (alpha_initial_elimination_offset): Update.
6269         (alpha_expand_prologue): Update.
6270         (alpha_start_function): Update.
6271         (alpha_expand_epilogue): Update.
6272         (unicosmk_initial_elimination_offset):
6273         * config/alpha/alpha.md (call expander): Update.
6274         * config/s390/s390.c (s390_register_info): Update.
6275         (s390_register_info): Update.
6276         (s390_frame_info): Update.
6277         (s390_initial_elimination_offset): Update.
6278         (s390_build_builtin_va_list): Update.
6279         (s390_va_start): Update.
6280         * config/spu/spu.c (direct_return): Update.
6281         (spu_expand_prologue): Update.
6282         (spu_initial_elimination_offset): Update.
6283         (spu_build_builtin_va_list): Update.
6284         (spu_va_start): Update.
6285         * config/sparc/sparc.c (sparc_init_modes): Update.
6286         (sparc_compute_frame_size): Update.
6287         (function_value): Update.
6288         * config/m32r/m32r.c (m32r_compute_frame_size): Update.
6289         * config/i386/i386.md (return expander): Update.
6290         * config/i386/i386.c (ix86_va_start): Update.
6291         (ix86_can_use_return_insn_p): Update.
6292         (ix86_compute_frame_layout): Update.
6293         (ix86_expand_epilogue): Update.
6294         * config/sh/sh.c (output_stack_adjust): Update.
6295         (calc_live_regs): Update.
6296         (sh_expand_prologue): Update.
6297         (sh_builtin_saveregs): Update.
6298         (sh_va_start): Update.
6299         (initial_elimination_offset): Update.
6300         (sh_allocate_initial_value): Update.
6301         (sh_function_ok_for_sibcall): Update.
6302         (sh_get_pr_initial_val): Update.
6303         * config/sh/sh.md (return expander): Update.
6304         * config/avr/avr.c (frame_pointer_required_p): UPdate.
6305         * config/crx/crx.c (crx_compute_frame): UPdate.
6306         (crx_initial_elimination_offset): UPdate.
6307         * config/xtensa/xtensa.c (compute_frame_size): Update
6308         (xtensa_builtin_saveregs): Update.
6309         (xtensa_va_start): Update.
6310         (order_regs_for_local_alloc): Update.
6311         * config/stormy16/stormy16.c (xstormy16_compute_stack_layout): Update.
6312         (xstormy16_expand_builtin_va_start): Update.
6313         * config/fr30/fr30.c (fr30_compute_frame_size): Update.
6314         * config/m68hc11/m68hc11.md (return expanders): Update.
6315         * config/m68hc11/m68hc11.c (expand_prologue): Update.
6316         (expand_epilogue): Update.
6317         * config/cris/cris.c (cris_initial_frame_pointer_offset): Update.
6318         (cris_simple_epilogue): Update.
6319         (cris_expand_prologue): Update.
6320         (cris_expand_epilogue): Update.
6321         * config/iq2000/iq2000.c (iq2000_va_start): Update.
6322         (compute_frame_size): Update.
6323         * config/mt/mt.c (mt_compute_frame_size): Update.
6324         * config/mn10300/mn10300.c (expand_prologue): Update.
6325         (expand_epilogue): Update.
6326         (initial_offset): Update.
6327         (mn10300_builtin_saveregs):
6328         * config/mn10300/mn10300.md (return expander): Update.
6329         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
6330         (ia64_initial_elimination_offset): Update.
6331         (ia64_initial_elimination_offset): Update.
6332         (ia64_expand_prologue): Update.
6333         * config/m68k/m68k.md (return expander): Update.
6334         * config/rs6000/rs6000.c (rs6000_va_start): Update.
6335         (rs6000_stack_info): Update.
6336         * config/mcore/mcore.c (layout_mcore_frame): Update.
6337         (mcore_expand_prolog): Update.
6338         * config/arc/arc.c (arc_compute_frame_size): Update.
6339         * config/score/score3.c (score3_compute_frame_size): Update.
6340         * config/score/score7.c (score7_compute_frame_size): Update.
6341         * config/arm/arm.c (use_return_insn): Update.
6342         (thumb_find_work_register): Update.
6343         (arm_compute_save_reg_mask): Update.
6344         (arm_output_function_prologue): Update.
6345         (arm_output_epilogue): Update.
6346         (arm_size_return_regs): Update.
6347         (arm_get_frame_offsets): Update.
6348         (arm_expand_prologue): Update.
6349         (thumb_exit): Update.
6350         (thumb_unexpanded_epilogue): Update.
6351         (thumb1_output_function_prologue): Update.
6352         * config/pa/pa.md (return expander): Update.
6353         * config/pa/pa.c (compute_frame_size): Update.
6354         (hppa_builtin_saveregs): Update.
6355         * config/mips/mips.c (mips_va_start): Update.
6356         (mips16_build_function_stub): Update.
6357         (mips_compute_frame_info): Update.
6358         (mips_restore_gp): Update.
6359         (mips_output_function_prologue): Update.
6360         (mips_expand_prologue): Update.
6361         * config/v850/v850.c (compute_frame_size): Update.
6362         (expand_prologue): * config/mmix/mmix.c (along): update.
6363         (mmix_initial_elimination_offset): update.
6364         (mmix_reorg): update.
6365         (mmix_use_simple_return): update.
6366         (mmix_expand_prologue): update.
6367         (mmix_expand_epilogue): Update.
6368         * config/bfin/bfin.c (bfin_initial_elimination_offset): Update.
6369         (emit_link_insn): Update.
6370
6371 2008-04-08  Anatoly Sokolov <aesok@post.ru>
6372
6373         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Define 
6374         __AVR_HAVE_EIJMP_EICALL__ macro if device have EIJMP and EICALL 
6375         instructions.
6376         * config/avr/avr.c (avr_mcu_types): Set AVR31 architecture for 
6377         atmega103 device.
6378
6379 2008-04-07  Jan Hubicka  <jh@suse.cz>
6380
6381         * function.h (rtl): Rename to x_rtl.
6382         (crtl): New define.
6383         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
6384         frame_offset, stack_check_probe_note, arg_pointer_save_area,
6385         used_temp_slots avail_temp_slots, temp_slot_level,
6386         nonlocal_goto_handler_labels): Update accesstors.
6387         (rtl): New global variable.
6388         (struct function): Move some fileds to rtl_data.
6389         (get_arg_pointer_save_area): Update prototype.
6390         * builtins.c (expand_builtin_setjmp_receiver): Update call of
6391         get_arg_pointer_save_area.
6392         * expr.c (init_expr): Update
6393         * function.c (get_frame_size): Update
6394         (assign_stack_local): Update
6395         (expand_function_end): Update.
6396         (get_art_pointer_save_area): Update
6397         * function.h 
6398         * emit-rtl.c (rtl): Declare.
6399         (regno_reg_rtx): Declare.
6400         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
6401         Update.
6402         (gen_reg_rtx): Update.
6403         * varasm.c (n_deferred_constatns): Update accestor.
6404         (init_varasm_status): Do not allocate varasm_status.
6405         (force_const_mem, get_pool_size, output_constant_pool): Update.
6406         * stmt.c (force_label_rtx): Do not use x_ prefixes.
6407         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
6408         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Update.
6409         * sparc/sparc.h (INIT_EXPANDERS): Update.
6410         * ia64/ia64.h (INIT_EXPANDERS): Update.
6411
6412 2008-04-07  James E. Wilson  <wilson@tuliptree.org>
6413
6414         * reload.c (push_secondary_reload): Add missing break to for loop.
6415
6416 2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
6417
6418         PR middle-end/PR28690
6419         * rtlanal.c: Update copyright years.
6420         (commutative_operand_precedence): Give SYMBOL_REF's the same precedence
6421         as REG_POINTER and MEM_POINTER operands.
6422         * emit-rtl.c (gen_reg_rtx_and_attrs): New function.
6423         (set_reg_attrs_from_value): Call mark_reg_pointer as appropriate.
6424         * rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function.
6425         * gcse.c: Update copyright years.
6426         (pre_delete): Call gen_reg_rtx_and_attrs.
6427         (hoist_code): Likewise.
6428         (build_store_vectors): Likewise.
6429         (delete_store): Likewise.
6430         * loop-invariant.c (move_invariant_reg): Likewise.
6431         Update copyright years.
6432
6433 2008-04-07  Uros Bizjak  <ubizjak@gmail.com>
6434
6435         * config/i386/i386.md ("*sse_prologue_save_insn"): Use braced output
6436         control string instead of quoted.
6437
6438 2008-04-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
6439
6440         * doc/rtl.texi: Rewrite of subreg section.
6441
6442 2008-04-07  Kai Tietz  <kai.tietz@onevision.com>
6443
6444         PR/35842
6445         * config/i386/i386.c (legitimize_pic_address): Add treating
6446         of dllimport SYM_REF's.
6447         (legitimize_dllimport_symbol): Add prototype.
6448
6449 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
6450
6451         * fold-const.c (fold) <ARRAY_REF>: New case.  Try to fold constant
6452         reference in constructor with non self-referential type.
6453
6454 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
6455
6456         Removal of Return with Depressed Stack Pointer support
6457         * tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete.
6458         (ECF_SP_DEPRESSED): Likewise.
6459         (ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust.
6460         * calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED.
6461         (flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED.
6462         (expand_call): Do not test ECF_SP_DEPRESSED.
6463         * dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED.
6464         * function.c (keep_stack_depressed): Delete.
6465         (handle_epilogue_set): Likewise.
6466         (update_epilogue_consts): Likewise.
6467         (emit_equiv_load): Likewise.
6468         (thread_prologue_and_epilogue_insns): Remove support for Return with
6469         Depressed Stack Pointer.
6470         * print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED.
6471
6472 2008-04-06  Richard Guenther  <rguenther@suse.de>
6473
6474         PR tree-optimization/35400
6475         * tree-vrp.c (vrp_evaluate_conditional): Only query value-range
6476         information from SSA_NAMEs.
6477
6478 2008-04-06  Anatoly Sokolov <aesok@post.ru>
6479
6480         * config/avr/avr.h (avr_mega_p): Remove declaration.
6481         (AVR_MEGA): Remove macro.
6482         * config/avr/avr.c (avr_mega_p): Remove variable.
6483         (avr_override_options): Remove inicializion of avr_mega_p.
6484         Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
6485         (print_operand): Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
6486         (avr_jump_mode): (Ditto.).
6487         (avr_output_progmem_section_asm_op): (Ditto.).
6488         (avr_asm_init_sections): (Ditto.).
6489         (avr_asm_init_sections): (Ditto.).
6490         (avr_rtx_costs): (Ditto.).
6491         * config/avr/avr.md: (Ditto.).
6492         * config/avr/avr.h: Use '__AVR_HAVE_JMP_CALL__' instead of 
6493         '__AVR_MEGA__'.
6494
6495 2008-04-06  Richard Guenther  <rguenther@suse.de>
6496
6497         PR tree-optimization/35842
6498         * tree-ssa-address.c (fixed_address_object_p): Adjust to match
6499         is_gimple_invariant_address.
6500
6501 2008-04-06  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
6502
6503         * gcc.c (default_compilers): Sync Fortran extensions list with
6504         that in fortran/lang-specs.h.
6505         * doc/invoke.texi: Likewise.
6506         * dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
6507         * dwarf2out.c (gen_compile_unit_die): Likewise.
6508
6509 2008-04-06  Tom G. Christensen  <tgc@jupiterrise.com>
6510
6511         * gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &.
6512
6513 2008-04-05  Uros Bizjak  <ubizjak@gmail.com>
6514
6515         PR target/12329
6516         * config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
6517         attribute is used for nested functions.
6518
6519 2008-04-05  Jan Hubicka  <jh@suse.cz>
6520
6521         * emit-rtl.c (init_emit): xcalloc regno_pointer_align.
6522
6523         * tree-dump.c (dump_enable_all): Remove prototype; do not accept
6524         letter argument.
6525         (dump_files): Update.
6526         (enable_rtl_dump_file): Do not accept letter argument.
6527         * tree-pass.h (dump_file_info): Remove letter argument.
6528         * toplev.c (decode_d_option): Update -da handling.
6529         * toplev.h (enable_rtl_dump_file): Update prototype.
6530         * passes.c (register_one_dump_file): Do not accept IPA argument; work
6531         it out based on pass type.
6532         (register_dump_files_1): Likewise.
6533         (init_optimization_passes): Update register_one_dump_file calls.
6534         (execute_one_pass): Sanity check that IPA passes are called at IPA
6535         level and RTL passes at RTL level.
6536         (execute_pass_list): IPA pass can not be after or subpass of
6537         GIMPLE/RTL pass.
6538         (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
6539         disallov RTL subpasses of IPA subpasses.
6540
6541 2008-04-05  Ben Elliston  <bje@au.ibm.com>
6542
6543         * tree-cfg.c (need_fake_edge_p): Return false for calls to
6544         builtins that return exactly once and do not throw. Cache call to
6545         call_expr_flags.
6546
6547 2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>
6548
6549         PR rtl-optimization/34916
6550         PR middle-end/35519
6551         * combine.c (create_log_links): Do not create duplicate LOG_LINKS
6552         between instruction pairs.
6553
6554 2008-04-04  Naveen.H.S  <naveen.hs@kpitcummins.com>
6555
6556         * doc/invoke.texi: Document -mbitops for SH.
6557         * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
6558         * config/sh/predicates.md (bitwise_memory_operand): New predicate.
6559         * config/sh/sh.c (print_operand): Add %t operand code.
6560         * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
6561         * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
6562         (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
6563         (extendqihi2): Likewise.
6564         (movqi_i): Likewise.
6565         (insv): Use bset, bclr and bst instructions for SH2A if possible.
6566         (extv): Use bld instruction for SH2A if possible.
6567         (extzv): Likewise.
6568         (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
6569         bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
6570         bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
6571         (bset.b, bclr.b): Define peepholes.
6572         * config/sh/sh.opt (mbitops): New option.
6573
6574 2008-04-04  Janis Johnson  <janis187@us.ibm.com>
6575
6576         PR target/35620
6577         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
6578         and view convert expression.
6579
6580 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
6581
6582         PR target/35364
6583         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
6584
6585 2008-04-04  H.J. Lu  <hongjiu.lu@intel.com>
6586
6587         * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.
6588
6589         * config/i386/cpuid.h (bit_AES): New.
6590         (bit_PCLMUL): Likewise.
6591
6592         * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
6593         (override_options): Handle PTA_AES and PTA_PCLMUL.  Enable
6594         SSE2 if AES or PCLMUL is enabled.
6595         (ix86_builtins): Add IX86_BUILTIN_AESENC128,
6596         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
6597         IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
6598         IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
6599         (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
6600         (bdesc_2arg): Add IX86_BUILTIN_AESENC128,
6601         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
6602         IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
6603         (bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
6604         (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
6605         __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
6606         __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
6607         __builtin_ia32_aeskeygenassist128 and
6608         __builtin_ia32_pclmulqdq128.
6609         * config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
6610         (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
6611         IX86_BUILTIN_PSRLDQI128.  Handle IX86_BUILTIN_AESKEYGENASSIST128.
6612
6613         * config/i386/i386.h (TARGET_AES): New.
6614         (TARGET_PCLMUL): Likewise.
6615         (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.
6616
6617         * config/i386/i386.md (UNSPEC_AESENC): New.
6618         (UNSPEC_AESENCLAST): Likewise.
6619         (UNSPEC_AESDEC): Likewise.
6620         (UNSPEC_AESDECLAST): Likewise.
6621         (UNSPEC_AESIMC): Likewise.
6622         (UNSPEC_AESKEYGENASSIST): Likewise.
6623         (UNSPEC_PCLMUL): Likewise.
6624
6625         * config/i386/i386.opt (maes): New.
6626         (mpclmul): Likewise.
6627
6628         * config/i386/sse.md (aesenc): New pattern.
6629         (aesenclast): Likewise.
6630         (aesdec): Likewise.
6631         (aesdeclast): Likewise.
6632         (aesimc): Likewise.
6633         (aeskeygenassist): Likewise.
6634         (pclmulqdq): Likewise.
6635
6636         * config/i386/wmmintrin.h: New.
6637
6638         * doc/extend.texi: Document AES and PCLMUL built-in function.
6639
6640         * doc/invoke.texi: Document -maes and -mpclmul.
6641
6642 2008-04-04  Paolo Bonzini  <bonzini@gnu.org>
6643
6644         * function.c (free_after_parsing): Replace with
6645         cxx_push_function_context from C++ front-end.
6646         (allocate_struct_function): Don't call langhook.
6647         * langhooks.h (struct lang_hooks_for_functions): Delete.
6648         (struct lang_hooks): Add back missing_noreturn_ok_p here, delete
6649         member "function".
6650         * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
6651         (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
6652         LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
6653         LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
6654         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
6655         remove LANG_HOOKS_FUNCTION_INITIALIZER.
6656         * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.
6657
6658         * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
6659         Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
6660         
6661 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
6662
6663         PR c/35440
6664         * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
6665         for all types.
6666
6667 2008-04-04  Richard Guenther  <rguenther@suse.de>
6668
6669         PR middle-end/35823
6670         * fold-const.c (optimize_minmax_comparison): Use the correct
6671         type for the constant in the simplified comparison.
6672
6673 2008-04-04  Zuxy Meng <zuxy.meng@gmail.com>
6674
6675         * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
6676         Pass L2 size as "--param l2-cache-size" to the compiler.
6677         (decode_l2_cache): New function to decode L2 cache parameters using
6678         0x8000006 extended cpuid function.
6679         (detect_caches_amd): Determine parameters of L2 cache using
6680         decode_l2_caches function.
6681         (decode_caches_intel): Decode L2 cache parameters.
6682         (detect_caches_intel): Determine L2 cache parameters using
6683         decode_caches_intel and decode_l2_caches functions.
6684
6685 2008-04-03  Bob Wilson  <bob.wilson@acm.org>
6686
6687         * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
6688         secondary input reload for subword loads from the constant pool.
6689
6690 2008-04-03  Janis Johnson  <janis187@us.ibm.com>
6691
6692         PR target/35713
6693         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
6694           constants of the appropriate size for runtime calculations.
6695
6696         PR c/35712
6697         * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
6698           decimal-float literal constant zero.
6699
6700 2008-04-03  Jakub Jelinek  <jakub@redhat.com>
6701
6702         PR c/35738
6703         * c-parser.c (c_parser_omp_atomic): Call
6704         default_function_array_conversion on the RHS.
6705
6706         PR middle-end/35818
6707         * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
6708         call is_variable_sized if decl has incomplete type.
6709
6710 2008-04-03  H.J. Lu  <hongjiu.lu@intel.com>
6711
6712         * config/i386/i386-protos.h (ix86_aligned_p): Removed.
6713
6714 2008-04-03  Adam Nemet  <anemet@caviumnetworks.com>
6715
6716         * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
6717         iterators.
6718         (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and leu.
6719         (sgt<u>): Merge sgt and sgtu into new expander.
6720         (sgt, sgtu): Remove expanders.
6721         (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new pattern.
6722         (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
6723         (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
6724         *sgtu_<mode>_mips16 into new pattern.
6725         (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
6726         (sge<u>): Merge sge and sgeu into new expander.
6727         (sge, sgeu): Remove expanders.
6728         (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
6729         new pattern.
6730         (*sge_<mode>, second *sge_<mode>): Remove patterns.
6731         (slt<u>): Merge slt and sltu into new expander.
6732         (slt, sltu): Remove expanders.
6733         (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new pattern.
6734         (*slt_<mode>, *sltu_<mode>): Remove patterns.
6735         (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
6736         *sltu_<mode>_mips16 into new pattern.
6737         (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
6738         (sle<u>): Merge sle and sleu into new expander.
6739         (sle, sleu): Remove expanders.
6740         (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new pattern.
6741         (*sle_<mode>, *sleu_<mode>): Remove patterns.
6742         (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
6743         *sleu_<mode>_mips16 into new pattern.
6744         (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
6745
6746 2008-04-03  Jan Hubicka  <jh@suse.cz>
6747
6748         PR tree-optimization/35795
6749         * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
6750         * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
6751         * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
6752         * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
6753         * score/score3.c (score3_output_mi_thunk): Likewise.
6754         * score/score7.c (score7_output_mi_thunk): Likewise.
6755         * mips/mips.c (mips_output_mi_thunk): Likewise.
6756
6757 2008-04-03  Richard Guenther  <rguenther@suse.de>
6758
6759         * tree-vrp.c (extract_range_from_unary_expr): Handle all
6760         conversions.  Simplify code.
6761
6762 2008-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
6763
6764         * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
6765
6766 2008-04-03  Tom Tromey  <tromey@redhat.com>
6767             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6768
6769         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
6770         * config/bfin/t-bfin-linux (generated_files): Add
6771         linux-sysroot-suffix.h.
6772         * doc/install.texi (Prerequisites): Require make 3.80.
6773         * doc/sourcebuild.texi (Front End Directory): Document new
6774         variable.
6775         * Makefile.in (generated_files): New variable.
6776         (ALL_HOST_OBJS): New variable.
6777         ($(ALL_HOST_OBJS)): New target.
6778
6779 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
6780
6781         * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
6782         (remap_block): Call id->transform_lang_insert_block instead
6783         of langhook.
6784         (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
6785         Set id.transform_lang_insert_block to NULL.
6786         (clone_body): Move to cp/optimize.c
6787         * tree-inline.h (struct copy_body_data): Change
6788         transform_lang_insert_block to function pointer.
6789         (copy_generic_body, copy_decl_no_change): Export.
6790         * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
6791         * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
6792         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
6793
6794         * c-tree.h (insert_block): Kill.
6795         * c-decl.c (insert_block): Kill.
6796
6797 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
6798
6799         * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
6800         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
6801         * c-tree.h (c_push_function_context, c_pop_function_context): Remove
6802         argument.
6803         * c-decl.c (c_push_function_context, c_pop_function_context): Remove
6804         argument, call {push,pop}_function_context from here.
6805         * c-parser.c: Use c_{push,pop}_function_context.
6806
6807         * function.c (push_function_context_to): Move meat ...
6808         (push_function_context): ... here.  Simplify.
6809         * function.c (pop_function_context_from): Move meat ...
6810         (pop_function_context): ... here.  Simplify.
6811         * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
6812         leave_nested).
6813         * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
6814         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
6815         (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
6816         * tree.h (push_function_context_to, pop_function_context_from): Remove.
6817
6818 2008-04-03  Ben Elliston  <bje@au.ibm.com>
6819
6820         * expmed.c (extract_force_align_mem_bit_field): Remove.
6821
6822 2008-04-03  Richard Guenther  <rguenther@suse.de>
6823
6824         PR middle-end/35800
6825         * expr.h (try_casesi): Adjust prototype.
6826         * expr.c (try_casesi): Take fallback label as extra parameter.
6827         Use that for gen_casesi if default_label is NULL.
6828         * stmt.c (expand_case): Pass fallback label to try_casesi,
6829         make sure to fill gaps with a fallback label if default_label
6830         is not present.
6831
6832 2008-04-03  Dominique d'Humieres <dominiq@lps.ens.fr>
6833
6834         PR target/35801
6835         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
6836
6837 2008-04-03  Ben Elliston  <bje@au.ibm.com>
6838
6839         * expmed.c (extract_split_bit_field): Remove if (0) code.
6840         * tree-ssa-structalias.c (do_sd_constraint): Likewise.
6841         (do_ds_constraint): Likewise.
6842
6843 2008-04-02  Joseph Myers  <joseph@codesourcery.com>
6844
6845         * doc/cppopts.texi (-dU): Document.
6846         * c-common.h (flag_dump_macros): Update comment.
6847         * c-opts.c (handle_OPT_d): Handle -dU.
6848         * c-ppoutput.c (macro_queue, define_queue, undef_queue,
6849         dump_queued_macros, cb_used_define, cb_used_undef): New.
6850         (init_pp_output): Handle -dU.
6851         (cb_line_change): Call dump_queued_macros.
6852         * toplev.c (decode_d_option): Accept -dU as preprocessor option.
6853
6854 2008-04-02  Anatoly Sokolov <aesok@post.ru>
6855
6856         * config/avr/predicates.md (io_address_operand): New predicate. 
6857         * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
6858         * config/avr/avr.c (avr_io_address_p): Remove function.
6859         (out_movqi_r_mr): Use 'io_address_operand' predicate instead of 
6860         'avr_io_address_p' function.
6861         (out_movhi_r_mr): (Ditto.).
6862         (out_movqi_mr_r): (Ditto.).
6863         (out_movhi_mr_r): (Ditto.).
6864         (avr_address_cost): (Ditto.).
6865
6866 2008-04-02  Uros Bizjak  <ubizjak@gmail.com>
6867
6868         * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
6869         Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
6870         in 32bit mode when XMM registers are available to avoid store
6871         forwarding stalls.
6872         (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
6873         corresponding post-reload splitters.
6874
6875 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
6876
6877         * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
6878         and __builtin_ia32_shufpd.  Provide __builtin_ia32_roundsd and
6879         __builtin_ia32_roundss.
6880         (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
6881         __builtin_ia32_shufpd, __builtin_ia32_roundsd and
6882         __builtin_ia32_roundss.
6883         (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
6884         IX86_BUILTIN_SHUFPD here.
6885
6886 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
6887
6888         * config/i386/i386.md (plogic): New.
6889         (plogicprefix): Likewise.
6890
6891         * config/i386/mmx.md (mmx_<code><mode>3): New.
6892         (mmx_and<mode>3): Removed.
6893         (mmx_ior<mode>3): Likewise.
6894         (mmx_xor<mode>3): Likewise.
6895
6896         * config/i386/sse.md (<code><mode>3): New.
6897         (*<code><mode>3): Likewise.
6898         (*<code><mode>3): Likewise.
6899         (<code><mode>3): Likewise.
6900         (*sse_<code><mode>3): Likewise.
6901         (*sse2_<code><mode>3): Likewise.
6902         (<code>tf3): Likewise.
6903         (*<code>tf3): Likewise.
6904         (and<mode>3): Likewise.
6905         (*and<mode>3): Likewise.
6906         (ior<mode>3): Removed.
6907         (*ior<mode>3): Likewise.
6908         (xor<mode>3): Likewise.
6909         (*xor<mode>3): Likewise.
6910         (*and<mode>3): Likewise.
6911         (*ior<mode>3): Likewise.
6912         (*xor<mode>3): Likewise.
6913         (and<mode>3): Likewise.
6914         (*sse_and<mode>3): Likewise.
6915         (*sse2_and<mode>3): Likewise.
6916         (andtf3): Likewise.
6917         (*andtf3): Likewise.
6918         (ior<mode>3): Likewise.
6919         (*sse_ior<mode>3): Likewise.
6920         (*sse2_ior<mode>3): Likewise.
6921         (iortf3): Likewise.
6922         (*iortf3): Likewise.
6923         (xor<mode>3): Likewise.
6924         (*sse_xor<mode>3): Likewise.
6925         (*sse2_xor<mode>3): Likewise.
6926         (xortf3): Likewise.
6927         (*xortf3): Likewise.
6928
6929 2008-04-02  Richard Guenther  <rguenther@suse.de>
6930
6931         PR tree-optimization/14495
6932         PR tree-optimization/34793
6933         * tree-vrp.c (struct switch_update): New structure.
6934         (to_remove_edges, to_update_switch_stmts): New VECs.
6935         (simplify_switch_using_ranges): New function.  Remove not taken
6936         case labels and edges.
6937         (simplify_stmt_using_ranges): Call it.
6938         (identify_jump_threads): Mark edges we have queued for removal
6939         so we don't thread them.
6940         (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
6941         case label vector.
6942         * tree-cfg.c (group_case_labels): Deal with missing default label.
6943         (tree_verify_flow_info): Allow missing default label.
6944         * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
6945         (emit_case_nodes): Likewise.
6946         (expand_case): Do not rely on the default label to be present.
6947         * expr.c (try_casesi): Deal with NULL default_label.
6948         (do_tablejump): Likewise.
6949
6950 2008-04-02  Richard Guenther  <rguenther@suse.de>
6951
6952         PR tree-optimization/14495
6953         * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
6954         SWITCH_EXPR here ...
6955         (vrp_visit_switch_stmt): ... but here (new function).
6956         (find_case_label_index): New helper function.
6957         (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
6958
6959 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
6960
6961         * fwprop.c: Fix ISO-C99ism.
6962
6963 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
6964
6965         PR bootstrap/35752
6966         * Makefile.in (objdir): Set it here.
6967         * configure.ac: Not here.  Find dynamic linker characteristics.
6968         * exec-tool.in: Use them.
6969         * aclocal.m4: Regenerate.
6970         * configure: Regenerate.
6971
6972 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
6973
6974         * expr.c (expand_var): Delete it.
6975         * expr.h (expand_var): Delete prototype.
6976         * function.c (expand_function_start): Use expand_decl instead.
6977         * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
6978         langhook.
6979
6980 2008-04-02  Andy Hutchinson <hutchinsonamdy@aim.com>
6981
6982         PR rtl-optimization/35542
6983         * fwprop.c (forward_propagate_and_simplify): Replace
6984         loc_reg_mentioned_in_p with reg_mentioned_p.
6985
6986 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
6987
6988         PR rtl-optimization/35281
6989         * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
6990         (propagate_rtx_1): Handle PR_HANDLE_MEM.
6991         (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
6992         (varying_mem_p): Move above propagate_rtx.
6993         (all_uses_available_at): Do not check MEMs.
6994
6995 2008-04-02  Rafael Espindola  <espindola@google.com>
6996
6997         * tree-vrp.c (extract_code_and_val_from_cond): Remove.
6998         (register_edge_assert_for_2): Split the cond argument.
6999         (register_edge_assert_for_1): Adjust for the change in
7000         register_edge_assert_for_2.
7001         (register_edge_assert_for): Split the cond argument.
7002         (find_switch_asserts): Adjust for the change in
7003         register_edge_assert_for.
7004
7005 2008-04-02  Kai Tietz  <kai.tietz@onevision.com>
7006
7007         * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
7008         * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
7009         offsets for 64-bit mingw.
7010         * config/i386/i386.c (ix86_pass_by_reference): Correct calling
7011         abi for x86_64-pc-mingw.
7012
7013 2008-04-02  Richard Guenther  <rguenther@suse.de>
7014
7015         * tree-vrp.c (extract_range_from_assert): Make sure to not
7016         produce range min/max with TREE_OVERFOW set.
7017         If merging a anti-range and a range keep the anti-range if
7018         the range covers all values of the type.
7019         (register_edge_assert_for_2): Only allow sign-changing
7020         conversions in detecting canonical range checks.  Also
7021         register an assert for the unsigned name if useful.
7022
7023         PR tree-optimization/35787
7024         * tree-vrp.c (vrp_val_max): New function.
7025         (vrp_val_min): Likewise.
7026         (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
7027         (vrp_val_is_min): Likewise.
7028         (supports_overflow_infinity): Use vrp_val_{min,max}.
7029         (negative_overflow_infinity): Likewise.
7030         (positive_overflow_infinity): Likewise.
7031         (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
7032         (is_positive_overflow_infinity): Likewise.
7033         (is_overflow_infinity): Likewise.
7034         (avoid_overflow_infinity): Use vrp_val_{min,max} and
7035         vrp_val_is_{min,max}.
7036         (set_and_canonicalize_value_range): Canonicalize anti-ranges
7037         to ranges if possible.  Avoid empty ranges.
7038
7039 2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7040
7041         PR middle-end/35705
7042         * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
7043         the expression is a function address.
7044
7045 2008-04-01  George Helffrich  <george@gcc.gnu.org>
7046
7047         PR fortran/35154, fortran/23057
7048         * dbxout.c: Emit .stabs debug info for Fortran COMMON block
7049         variables as base symbol name + offset using N_BCOMM/N_ECOMM.
7050         (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
7051         (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
7052         in common.
7053         (dbxout_syms): Check for COMMON-based symbol and wrap in
7054         N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
7055         in bracket for efficiency.
7056
7057         * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
7058         using DW_TAG_common_block + member offset.
7059         (add_pubname_string): New function.
7060         (dw_expand_expr): New function to find block name and offset for
7061         COMMON var.
7062         (common_check): New function to check whether symbol in Fortran COMMON.
7063         (gen_variable_die): If COMMON, use DW_TAG_common_block.
7064
7065 2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>
7066
7067         PR c/35436
7068         * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
7069
7070 2008-04-02  Ben Elliston  <bje@au.ibm.com>
7071
7072         * config/v850/v850.md (casesi): Remove if (0) code.
7073         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
7074         * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
7075
7076 2008-04-01  Uros Bizjak  <ubizjak@gmail.com>
7077
7078         * config/i386/i386.md (rex64suffix): New mode attribute.
7079         (floathi<mode>2): Disable expander for SSE math.
7080         (*floathi<mode>2_1): New insn insn_and_split pattern.
7081         (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
7082         corresponding post-reload splitters.
7083         (*floathi<mode>2_i387): New macroized insn pattern.
7084         (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
7085         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
7086         insn_and_split pattern.
7087         (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
7088         New macroized instruction patterns and corresponding post-reload
7089         splitters.
7090         (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
7091         and corresponding post-reload splitters.
7092         (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
7093         New macroized instruction patterns.
7094         (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
7095         macroized instruction patterns and corresponding post-reload splitters.
7096         (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
7097         corresponding post-reload splitters.
7098         (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
7099         New macroized instruction patterns.
7100         (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
7101         corresponding post-reload splitters.
7102         (*floatsi<mode>2_i387): New macroized instruction patterns.
7103
7104 2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>
7105
7106         * config/i386/i386.md (smaxmin): New.
7107         (umaxmin): Likewise.
7108         (maxminiprefix): Likewise.
7109         (maxminfprefix): Likewise.
7110         (<code><mode>3): Likewise.
7111         (smin<mode>3): Removed.
7112         (smax<mode>3): Likewise.
7113
7114         * config/i386/mmx.md (mmx_<code>v2sf3): New.
7115         (mmx_<code>v4hi3): Likewise.
7116         (mmx_<code>v8qi3): Likewise.
7117         (mmx_smaxv2sf3): Removed.
7118         (mmx_sminv2sf3): Likewise.
7119         (mmx_umaxv8qi3): Likewise.
7120         (mmx_smaxv4hi3): Likewise.
7121         (mmx_uminv8qi3): Likewise.
7122         (mmx_sminv4hi3): Likewise.
7123
7124         * config/i386/sse.md (<addsub><mode>3): New.
7125         (*<addsub><mode>3): Likewise.
7126         (<sse>_vm<addsub><mode>3): Likewise.
7127         (<maxmin><mode>3): Likewise.
7128         (*<maxmin><mode>3_finite): Likewise.
7129         (*<maxmin><mode>3): Likewise.
7130         (<sse>_vm<maxmin><mode>3): Likewise.
7131         (sse3_h<addsub>v4sf3): Likewise.
7132         (sse3_h<addsub>v2df3): Likewise.
7133         (<maxmin>v16qi3): Likewise.
7134         (*<maxmin>v16qi3): Likewise.
7135         (<maxmin>v8hi3): Likewise.
7136         (*<maxmin>v8hi3): Likewise.
7137         (*sse4_1_<maxmin><mode>3): Likewise.
7138         (*sse4_1_<maxmin><mode>3): Likewise.
7139         (add<mode>3): Removed.
7140         (*add<mode>3): Likewise.
7141         (<sse>_vmadd<mode>3): Likewise.
7142         (sub<mode>3): Likewise.
7143         (*sub<mode>3): Likewise.
7144         (<sse>_vmsub<mode>3): Likewise.
7145         (smin<mode>3): Likewise.
7146         (*smin<mode>3_finite): Likewise.
7147         (*smin<mode>3): Likewise.
7148         (<sse>_vmsmin<mode>3): Likewise.
7149         (smax<mode>3): Likewise.
7150         (*smax<mode>3_finite): Likewise.
7151         (*smax<mode>3): Likewise.
7152         (<sse>_vmsmax<mode>3): Likewise.
7153         (sse3_haddv4sf3): Likewise.
7154         (sse3_haddv2df3): Likewise.
7155         (sse3_hsubv4sf3): Likewise.
7156         (sse3_hsubv2df3): Likewise.
7157         (umaxv16qi3): Likewise.
7158         (*umaxv16qi3): Likewise.
7159         (smaxv8hi3): Likewise.
7160         (*smaxv8hi3): Likewise.
7161         (*sse4_1_smax<mode>3): Likewise.
7162         (*sse4_1_umax<mode>3): Likewise.
7163         (uminv16qi3): Likewise.
7164         (*uminv16qi3): Likewise.
7165         (sminv8hi3): Likewise.
7166         (*sminv8hi3): Likewise.
7167         (*sse4_1_smin<mode>3): Likewise.
7168         (*sse4_1_umin<mode>3): Likewise.
7169
7170 2008-04-01  Rafael Espindola  <espindola@google.com>
7171
7172         * tree-cfg.c (verify_expr): remove in_phi.
7173         (verify_stmt): Don't call walk_tree with verify_expr. Use
7174         is_gimple_min_invariant instead of is_gimple_val.
7175
7176 2008-04-01  Joseph Myers  <joseph@codesourcery.com>
7177
7178         * doc/include/gpl_v3.texi: Update for manpage generation.
7179         * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
7180         gpl.texi.
7181         * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
7182         * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
7183         gpl_v3.texi instead of gpl.texi.
7184         (gpl.pod): New.
7185
7186 2008-04-01  Jakub Jelinek  <jakub@redhat.com>
7187
7188         PR pch/13675
7189         * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
7190
7191 2008-04-01  Rafael Espindola  <espindola@google.com>
7192
7193         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
7194         (extract_code_and_val_from_cond): Use
7195         extract_code_and_val_from_cond_with_ops.
7196
7197 2008-04-01  Jan Hubicka  <jh@suse.cz>
7198
7199         * function.c (free_after_compilation): Free epilogue_delay_list.
7200         (prepare_function_start): Assert that previous compilation was freed.
7201
7202 2008-04-01  Jan Hubicka  <jh@suse.cz>
7203             Jim Wilson  <wilson@tuliptree.org>
7204             Andreas Tobler <andreast@gcc.gnu.org>
7205
7206         PR middle-end/35781
7207         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
7208         rtl.emit instead cfun->emit.
7209         * sparc/sparc.h (INIT_EXPANDERS): Likewise.
7210         * ia64/ia64.h (INIT_EXPANDERS): Likewise.
7211
7212 2008-04-01  Ben Elliston  <bje@au.ibm.com>
7213
7214         * doc/c-tree.texi (Function Basics): Fix grammatical error.
7215
7216 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
7217
7218         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
7219         New options
7220         (fprofile-use): Add var flag_profile_use
7221         * coverage.c (coverage_begin_output): Do not open a gcno file for
7222         output only if -ftest-coverage is set.
7223         Do not add getpwd() to gcda file path.
7224         (build_gcov_info): Check the new flag
7225         flag_profile_datafile_relative_path.
7226         (coverage_init): Use profile_data_prefix.
7227         Read profile counter only if flag_profile_use is set.
7228         * opts.c (common_handle_option): New option fprofile-use=,
7229         fprofile-dir=, fprofile-generate=.
7230         * toplev.c (profile_data_prefix): New variable definition.
7231         * toplev.h (profile_data_prefix): New declaration.
7232         * doc/invoke.tex (Option Summary, Optimization Options):
7233         Add new options.
7234
7235 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
7236
7237         * varasm.c (output_constant_pool_1): In LABEL_REF check,
7238         use tmp consistently.
7239
7240         PR target/35695
7241         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
7242         * config/ia64/ia64.c (rtx_needs_barrier): Handle
7243         UNSPEC_FR_RECIP_APPROX_RES.
7244         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
7245
7246 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
7247
7248         PR c/35750
7249         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
7250
7251 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7252
7253         PR middle-end/30186
7254         * fold-const.c (fold_indirect_ref_1): Support accessing non first
7255         element of the vector via a pointer.
7256
7257 2008-03-31  Ian Lance Taylor  <iant@google.com>
7258
7259         * tlink.c (scan_linker_output): Look for symbol name in single quotes.
7260
7261 2008-03-31  Jan Hubicka  <jh@suse.cz>
7262
7263         * builtins.c (expand_builtin_setjmp_receiver): Update call of
7264         get_arg_pointer_save_area.
7265         * expr.c (init_expr): Just clear out rtl.expr.
7266         * function.c (free_after_compilation): Clear out whole RTL structure.
7267         (get_func_frame_size): Merge into ...
7268         (get_frame_size): ... this one.
7269         (assign_stack_local_1): Merge into ...
7270         (assign_stack_local): ... this one.
7271         (expand_function_end): Update call of get_arg_pointer_save_area.
7272         (get_art_pointer_save_area): Remove cfun argument.
7273         * function.h (emit_status): regno_pointer_align does not need length
7274         attribute. Move x_regno_reg_rtx to ...
7275         (regno_reg_rtx): ... new global array.
7276         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
7277         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
7278         apply_args_value, forced_labels, stack_pointer_delta):
7279         Update accestors.
7280         (struct varasm_status): Move here from varasm.c
7281         (struct rtl_data): New. Move here some fields from struct function.
7282         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
7283         frame_offset, stack_check_probe_note, arg_pointer_save_area,
7284         used_temp_slots avail_temp_slots, temp_slot_level,
7285         nonlocal_goto_handler_labels): Update accesstors.
7286         (rtl): New global variable.
7287         (struct function): Move some fileds to rtl_data.
7288         (get_arg_pointer_save_area): Update prototype.
7289         * emit-rtl.c (rtl): Declare.
7290         (regno_reg_rtx): Declare.
7291         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
7292         Update.
7293         (gen_reg_rtx): Update.
7294         (init_virtual_regs): Do not tate emit_status argument.
7295         (init_emit): Do not allocate emit.
7296         * varasm.c (varasm_statuc): Move to function.h.
7297         (n_deferred_constatns): Update accestor.
7298         (init_varasm_status): Do not allocate varasm_status.
7299         (force_const_mem, get_pool_size, output_constant_pool): Update.
7300         * stmt.c (force_label_rtx): Do not use x_ prefixes.
7301         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
7302
7303 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
7304
7305         PR rtl-optimization/35729
7306         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
7307         references.
7308
7309 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
7310
7311         PR target/32000
7312         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
7313         load/store if memory is unaligned.
7314         (*movti_rex64): Likewise.
7315
7316         * config/i386/predicates.md (misaligned_operand): New.
7317
7318 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
7319
7320         PR tree-opt/35431
7321         * tree-ssa-phiopt.c (conditional_replacement): Return early for
7322         complex types.
7323
7324 2008-03-31  Jan Beulich  <jbeulich@novell.com>
7325
7326         * config/ia64/constraints.md: Add 'j' constraint.
7327         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
7328         (movdi_internal): Likewise.
7329
7330 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
7331
7332         PR c/35748
7333         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
7334
7335 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
7336
7337         PR target/35757
7338         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
7339         proper error message for the third argument on blendpd and
7340         blendps.
7341
7342         * config/i386/sse.md (blendbits): New.
7343         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
7344
7345 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
7346
7347         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
7348
7349 2008-03-30  Richard Guenther  <rguenther@suse.de>
7350
7351         PR middle-end/31023
7352         * fold-const.c (fold_sign_changed_comparison): Do leave
7353         conversions to base-types alone.
7354
7355 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7356
7357         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
7358         the link register if one altivec register is be saved.
7359
7360 2008-03-30  Ben Elliston  <bje@au.ibm.com>
7361
7362         * final.c (final_scan_insn): Remove if (0) code.
7363
7364 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
7365
7366         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
7367
7368 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
7369
7370         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
7371         of V4SFmode to ix86_binary_operator_ok.
7372
7373 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
7374
7375         * config/i386/i386.c (override_options): Initialize
7376         ix86_veclib_handler to ix86_veclibabi_svml when
7377         -mveclibabi=svml is used.
7378         (ix86_veclibabi_svml): New function for SVML ABI style
7379         vectorization support.
7380         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
7381
7382 2008-03-28  Rafael Espindola  <espindola@google.com>
7383
7384         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
7385         (tree_binary_nonnegative_warnv_p): Make it public.
7386         (tree_single_nonnegative_warnv_p): Make it public.
7387         (tree_invalid_nonnegative_warnv_p): Make it public.
7388         (tree_unary_nonzero_warnv_p): Make it public.
7389         (tree_binary_nonzero_warnv_p): Make it public
7390         (tree_single_nonzero_warnv_p): Make it public.
7391         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
7392         (extract_range_from_binary_expr): Split the expr argument.
7393         (extract_range_from_unary_expr): Split the expr argument.
7394         (extract_range_from_comparison): Split the expr argument.
7395         (extract_range_from_expr): Use the new aux functions.
7396         (vrp_evaluate_conditional_warnv): Use
7397         vrp_evaluate_conditional_warnv_with_ops.
7398         * tree.h (tree_unary_nonzero_warnv_p): Declare.
7399         (tree_binary_nonzero_warnv_p): Declare.
7400         (tree_single_nonzero_warnv_p): Declare.
7401         (tree_expr_nonzero_warnv_p): Declare.
7402         (tree_unary_nonnegative_warnv_p): Declare.
7403         (tree_binary_nonnegative_warnv_p): Declare.
7404         (tree_single_nonnegative_warnv_p): Declare.
7405         (tree_invalid_nonnegative_warnv_p): Declare.
7406
7407 2008-03-28  Richard Guenther  <rguenther@suse.de>
7408
7409         PR tree-optimization/30317
7410         PR tree-optimization/30911
7411         PR tree-optimization/34793
7412         * tree-vrp.c (set_and_canonicalize_value_range): New function.
7413         (struct assert_locus_d): New member EXPR.
7414         (register_new_assert_for): Add EXPR parameter to support
7415         ASSERT_EXPR <name, expr OP limit>.
7416         (register_edge_assert_for_1): Adjust callers.
7417         (find_assert_locations): Likewise.
7418         (process_assert_insertions_for): Build condition from expression.
7419         (extract_range_from_assert): Handle ASSERT_EXPRs
7420         of the form ASSERT_EXPR <name, expr OP limit>.
7421         (register_edge_assert_for_2): New helper registering
7422         asserts for comparisons.  Recognize range tests of the form
7423         (unsigned)i - CST1 OP CST2.
7424         (register_edge_assert_for_1): Use it.
7425         (register_edge_assert_for): Likewise.
7426         (needs_overflow_infinity): Integer sub-types
7427         do not need overflow infinities.
7428         (vrp_val_is_max): The extreme values of integer sub-types
7429         are those of the base type.
7430         (vrp_val_is_min): Likewise.
7431         * tree.def (ASSERT_EXPR): Document extra allowed conditional
7432         expressions.
7433
7434 2008-03-28  Nick Clifton  <nickc@redhat.com>
7435
7436         PR target/31110
7437         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
7438         Return GENERAL_REGS for stack adjustment reloads.
7439
7440 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7441
7442         PR target/31334
7443         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
7444         const_vector when all the vectors are constant.
7445
7446 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
7447
7448         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
7449         comparisons.
7450         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
7451         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
7452         (scc_sf): New.
7453         (s<code>_sf): Use new scc_sf attribute for opcode names.
7454
7455 2008-03-27  Tom Tromey  <tromey@redhat.com>
7456
7457         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
7458         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
7459         config/spu/t-spu-elf, config/i386/t-interix,
7460         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
7461         config/i386/x-darwin, config/i386/x-mingw32,
7462         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
7463         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
7464         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
7465         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
7466         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
7467         config/rs6000/x-darwin, config/rs6000/t-rs6000,
7468         config/score/t-score-elf, config/arm/t-strongarm-pe,
7469         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
7470         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
7471         Revert automatic dependency patch.
7472
7473 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
7474
7475         PR target/35657
7476         * config/i386/i386.c (ix86_function_arg_boundary): Align
7477         decimal floating point to its natural boundary.
7478
7479 2008-03-27  Richard Guenther  <rguenther@suse.de>
7480
7481         PR middle-end/35716
7482         * fold-const.c (fold_comparison): Restrict distinct decl
7483         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
7484         solely rely on operand_equal_p.
7485
7486 2008-03-27  Richard Guenther  <rguenther@suse.de>
7487
7488         PR c/32511
7489         * c-common.c (handle_weak_attribute): Reject combination of
7490         weak and inline.
7491
7492 2008-03-27  Richard Guenther  <rguenther@suse.de>
7493
7494         PR tree-optimization/32810
7495         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
7496         conversions from DECL_INITIAL.
7497         (fold_const_aggregate_ref): Likewise from constructor elements.
7498
7499 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
7500
7501         * tree-affine.h (aff_combination_expand): Declare.
7502         (get_inner_reference_aff): Likewise.
7503         * tree-affine.c (aff_combination_expand): Split out from
7504         tree_to_aff_combination_expand.
7505         (get_inner_reference_aff): New function.
7506         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
7507         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
7508         (struct lim_aux_data): sm_done field removed.
7509         (mem_ref_loc_p, mem_ref_locs_p): New types.
7510         (struct mem_ref): Added id, stored, accesses_in_loop,
7511         indep_loop, dep_loop, indep_ref, dep_ref fields.
7512         Removed is_stored, locs and next fields.
7513         (memory_accesses): New variable.
7514         (movement_possibility): Do not allow moving statements
7515         that store to memory.
7516         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
7517         New functions.
7518         (determine_max_movement): For statements with memory references,
7519         find the outermost loop in that the reference is independent.
7520         (move_computations_stmt): Mark the virtual operands for renaming.
7521         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
7522         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
7523         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
7524         add_vop_ref_mapping, create_vop_ref_mapping_loop,
7525         create_vop_ref_mapping, analyze_memory_references,
7526         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
7527         get_all_locs_in_loop, ref_always_accessed_p,
7528         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
7529         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
7530         store_motion_loop, store_motion): New functions.
7531         (struct vop_to_refs_elt): New type.
7532         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
7533         memref_hash, memref_eq, hoist_memory_references): Rewritten.
7534         (schedule_sm): Replaced by...
7535         (execute_sm): ... this.
7536         (determine_lsm_ref, hoist_memory_references,
7537         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
7538         find_more_ref_vops, free_mem_ref, free_mem_refs,
7539         determine_lsm_loop, determine_lsm): Removed.
7540         (tree_ssa_lim_finalize): Free data structures used by store motion.
7541         (tree_ssa_lim): Call analyze_memory_references.  Use
7542         store_motion instead of determine_lsm.
7543
7544 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
7545
7546         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
7547         rename tmake_file to m68hc11/t-m68hc11.
7548         (mcore): Set inhibit_libc to true.
7549         * config.host (alpha*-dec-*vms*): Set extra_programs.
7550         (interix3*): Don't use host_xmake_file.
7551         * configure.ac: Let config.gcc override inhibit_libc.
7552         * configure: Regenerate.
7553
7554         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
7555         * config/t-openbsd-thread: Remove commented out lines.
7556         
7557         * config/x-interix: Remove.
7558
7559         * config/m68hc11/t-m68hc11-gas: Rename to...
7560         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
7561
7562         * config/mcore/t-mcore: Remove T_CFLAGS.
7563         * config/mcore/t-mcore-pe: Likewise.
7564
7565 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
7566
7567         * configure.ac: Replace custom __GNU_SOURCE test with
7568         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
7569         * aclocal.m4: Regenerate.
7570         * configure: Regenerate.
7571         * config.in: Regenerate.
7572
7573 2008-03-27  Richard Guenther  <rguenther@suse.de>
7574
7575         * fold-const.c (target.h): Include.
7576         (fold_comparison): Fold comparison of addresses of decls
7577         that bind locally or of constants.  Consolidate address folding code.
7578         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
7579         results from fold_binary_to_constant.
7580         (compare_values_warnv): Likewise.
7581
7582 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
7583
7584         PR middle-end/35429
7585         * fold-const.c (fold_truthop): Check for integeral types when folding
7586         a == 0 && b == 0 and a != 0 || b != 0 .
7587
7588 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
7589
7590         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
7591
7592 2008-03-26  Andreas Schwab  <schwab@suse.de>
7593
7594         * doc/invoke.texi: Fix use of @item vs. @itemx.
7595
7596 2008-03-26  Tom Tromey  <tromey@redhat.com>
7597
7598         * Makefile.in (build/gensupport.o, build/print-rtl.o,
7599         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
7600         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
7601         build/gencodes.o, build/genconditions.o, build/genconfig.o,
7602         build/genconstants.o, build/genemit.o, build/genextract.o,
7603         build/genflags.o, build/genmddeps.o, build/genopinit.o,
7604         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
7605         options.h.
7606
7607 2008-03-26  Richard Guenther  <rguenther@suse.de>
7608
7609         Revert
7610         2008-03-26  Richard Guenther  <rguenther@suse.de>
7611
7612         * fold-const.c (target.h): Include.
7613         (fold_comparison): Fold comparison of addresses of two decls
7614         that bind locally.  Consolidate address folding code.
7615
7616 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7617
7618         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
7619         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
7620         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
7621         dconstsqrt2, dconstthird, dconste and/or dconst10.
7622         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
7623         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
7624         dconstsqrt2, dconste): Delete.
7625         (init_emit_once): Likewise.  Simplify initializing dconstm1.
7626         Constify variable.
7627         * real.c (get_real_const): New.
7628         * real.h (dconst3, dconst10, dconstm2, dconstthird,
7629         dconstsqrt2, dconste): Delete.
7630         (real_value_const, get_real_const): New.
7631
7632 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
7633
7634         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
7635
7636         * config/i386/i386.c (ix86_function_arg_boundary): Check
7637         BIGGEST_ALIGNMENT instead of 128.
7638         (setup_incoming_varargs_64): Likewise.
7639
7640 2008-03-26  Tom Tromey  <tromey@redhat.com>
7641
7642         * Makefile.in (DEPFILES): Add missing '/'.
7643
7644 2008-03-26  Richard Guenther  <rguenther@suse.de>
7645
7646         * fold-const.c (target.h): Include.
7647         (fold_comparison): Fold comparison of addresses of two decls
7648         that bind locally.  Consolidate address folding code.
7649
7650 2008-03-26  Nick Clifton  <nickc@redhat.com>
7651
7652         PR target/31232
7653         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
7654         not allow INT+INT as a legitimate addressing mode.
7655
7656 2008-03-26  Richard Guenther  <rguenther@suse.de>
7657
7658         * tree-flow.h (widen_bitfield): Remove declaration.
7659         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
7660         (widen_bitfield): Remove function.
7661         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
7662         code.
7663
7664 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7665
7666         PR target/31558
7667         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
7668         error_mark_node's.
7669
7670 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
7671
7672         PR rtl-optimization/35232
7673         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
7674         (forget_old_reloads_1, forget_marked_reloads): Don't clear
7675         reg_reloaded_call_part_clobbered here.
7676         (reload_regs_reach_end_p): New function.
7677         (reload_reg_rtx_for_input): New variable.
7678         (reload_reg_rtx_for_output): Likewise.
7679         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
7680         when reassigning a pseudo register.  Load reloadreg from 
7681         reload_reg_rtx_for_input, moving the mode and register
7682         calculation to...
7683         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
7684         instead of the original when deciding whether an input reload
7685         would be a no-op or whether an output reload can be deleted.
7686         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
7687         when setting up new_spill_reg_store.  Load it from
7688         reload_reg_rtx_for_output, moving the mode and register
7689         calculation to...
7690         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
7691         instead of the original when deciding whether an output reload
7692         would be a no-op.  Do the same when modifying insn notes.
7693         Use rtx_equal_p instead of == to compare the registers.
7694         (inherit_piecemeal_p): Take a mode and two register numbers
7695         as argument.
7696         (emit_reload_insns): Clear new_spill_reg_store for every hard
7697         register in the reload register.  Remove spill registers
7698         from reg_reloaded_valid before considering whether to record
7699         inheritance information for them.  Use reload_reg_rtx_for_output
7700         instead of reg_rtx when recording output reloads.  Use
7701         reload_reg_rtx_for_input instead of reg_rtx when recording
7702         input reloads.  Set or clear reg_reloaded_call_part_clobbered
7703         at the same time as setting reg_reloaded_valid.
7704         (delete_output_reload): Add a new_reload_reg parameter and use it
7705         instead of rld[j].reg_rtx.
7706         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
7707         calls accordingly.
7708
7709 2008-03-25  Tom Tromey  <tromey@redhat.com>
7710
7711         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
7712         (build/genattr.o): Likewise.
7713         (build/genattrtab.o): Likewise.
7714         (build/gencodes.o): Likewise.
7715         (build/genconfig.o): Likewise.
7716         (build/genconstants.o): Likewise.
7717         (build/genemit.o): Likewise.
7718         (build/genextract.o): Likewise.
7719         (build/genflags.o): Likewise.
7720
7721 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
7722         
7723         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
7724         instead of size_int for integer types.
7725         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
7726         to match type of MINUS_EXPR.
7727         
7728 2008-03-25  Tom Tromey  <tromey@redhat.com>
7729
7730         * configure: Rebuilt.
7731         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
7732         Makefile.
7733
7734 2008-03-25  Tom Tromey  <tromey@redhat.com>
7735
7736         * config/x-solaris (host-solaris.o): Update.
7737         * config/x-linux (host-linux.o): Update.
7738         * config/x-hpux (host-hpux.o): Update.
7739         * config/x-darwin (host-darwin.o): Update.
7740         * config/v850/t-v850e (v850-c.o): Update.
7741         * config/v850/t-v850 (v850-c.o): Update.
7742         * config/t-vxworks (vxworks.o): Update.
7743         * config/t-sol2 (sol2-c.o, sol2.o): Update.
7744         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
7745         * config/spu/t-spu-elf (spu-c.o): Update.
7746         (spu.o): Remove.
7747         * config/sh/t-symbian (sh-c.o): Update.
7748         (symbian.o): Update.
7749         * config/sh/t-sh (sh-c.o): Update.
7750         * config/score/t-score-elf (score7.o, score3.o): Update.
7751         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
7752         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
7753         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
7754         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
7755         (rs6000.o): Remove.
7756         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
7757         * config/m32c/t-m32c (m32c-pragma.o): Update.
7758         * config/ia64/t-ia64 (ia64-c.o): Update.
7759         * config/i386/x-mingw32 (host-mingw32.o): Update.
7760         * config/i386/x-i386 (driver-i386.o): Update.
7761         * config/i386/x-darwin (host-i386-darwin.o): Update.
7762         * config/i386/x-cygwin (host-cygwin.o): Update.
7763         * config/i386/t-nwld (nwld.o): Update.
7764         * config/i386/t-netware (netware.o): Update.
7765         * config/i386/t-interix (winnt.o): Update.
7766         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
7767         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
7768         msformat-c.o): Update.
7769         * config/bfin/t-bfin-linux (generated_files): Add
7770         linux-sysroot-suffix.h.
7771         * config/arm/t-wince-pe (pe.o): Update.
7772         * config/arm/t-strongarm-pe (pe.o): Update.
7773         * config/arm/t-pe (pe.o): Update.
7774         * config/arm/t-arm (arm-c.o): Update.
7775         * doc/install.texi (Prerequisites): Require make 3.80.
7776         * Makefile.in: Remove .o targets.
7777         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
7778         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
7779         (simple_generated_h, simple_generated_c): Move earlier.
7780         (generated_files): New variable.
7781         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
7782         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
7783         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
7784         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
7785         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
7786         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
7787         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
7788         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
7789         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
7790         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
7791         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
7792         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
7793         (.c.o): Remove.
7794         (COMPILE.base, COMPILE): New variables.
7795         (%.o): New pattern rule.
7796         (ALL_HOST_OBJS): New variable.
7797         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
7798         (dummy-checksum.o, cc1-checksum.o): Remove.
7799         (DRIVER_SHLIB): New variable.
7800         (DRIVER_DEFINES): Use it.
7801         (gencondmd.c): Move out of build/.
7802         (s-conditions): Update.
7803         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
7804         (ALL_BUILD_OBJS): Likewise.
7805         (build/%.o): Use BUILDCOMPILE.
7806         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
7807         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
7808         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
7809         build/gencheck.o, build/gencodes.o, build/genconditions.o,
7810         build/genconfig.o, build/genconstants.o, build/genemit.o,
7811         build/genextract.o, build/genflags.o, build/genmddeps.o,
7812         build/genopinit.o, build/genoutput.o, build/genpeep.o,
7813         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
7814         build/gen-protos.o, build/scan.o, build/fix-header.o,
7815         build/scan-decls.o): Simplify.
7816         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
7817         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
7818         prefix.o, toplev.o): Reduce to variable setting.
7819         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
7820         ($(out_object_file), gcc-options.o): New targets.
7821         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
7822         * configure: Rebuilt.
7823         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
7824         * doc/sourcebuild.texi (Front End Directory): Document new variable.
7825
7826 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
7827
7828         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
7829         complain when we hit an error, return ERROR_MARK_NODE.
7830
7831 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
7832
7833         * config/sh/constraints.md (Pso, Psz): New constraints.
7834         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
7835         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
7836
7837 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
7838
7839         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
7840         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
7841
7842 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
7843
7844         * config/sh/sh.md (prefetch): Add condition for SH2A target.
7845         (prefetch_sh2a): New.   
7846
7847 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
7848             Naveen.H.S  <naveen.hs@kpitcummins.com>
7849
7850         * config/sh/constraints.md (I28): New constraint.
7851         * config/sh/sh.c (broken_move): Add support for movi20s.
7852         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
7853
7854 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
7855             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
7856             Naveen.H.S  <naveen.hs@kpitcummins.com>
7857
7858         * config/sh/sh.c (SH_ATTRIBUTES): Define.
7859         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
7860         (print_operand): Handle resbank in %@ operand code.
7861         (sh_encode_section_info): New.
7862         (push_regs): Add conditions for resbank.
7863         (sh_expand_epilogue): Likewise.
7864         (sh_insert_attributes): Likewise.
7865         (sh_attribute_table): Likewise.
7866         (sh_handle_resbank_handler_attribute): New.
7867         (sh2a_handle_function_vector_handler_attribute): New.
7868         (sh2a_is_function_vector_call): New.
7869         (sh2a_get_function_vector_number): New.
7870         (sh2a_function_vector_p): New.
7871         (sh_cfun_resbank_handler_p): New.
7872         * config/sh/sh.md (calli): Emit jsr/n if possible.
7873         (calli_tbr_rel): New.
7874         (calli_pcrel): Emit jsr/n if possible.
7875         (return_i): Emit rts/n if possible.
7876         (call_valuei_tbr_rel): New.
7877         (call_valuei_pcrel): Add condition for SH2A target.
7878         (call_value): Likewise.
7879         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
7880         (sh2a_get_function_vector_number): Likewise.
7881         (sh2a_is_function_vector_call): Likewise.
7882         * doc/extend.texi: Document TBR relative addressing of SH2A.
7883         (resbank): Add description for SH2A.
7884
7885 2008-03-24  Richard Guenther  <rguenther@suse.de>
7886
7887         PR c/22371
7888         * gimplify.c (gimplify_modify_expr): For frontend type-correct
7889         pointer assignments change conversions according to middle-end rules.
7890         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
7891         * configure.ac: Include type checking in yes.
7892         * configure: Regenerate.
7893
7894 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7895
7896         * diagnostic.c (diagnostic_count_diagnostic): Delete.
7897         (diagnostic_report_diagnostic): Update. Handle ICEs here.
7898         
7899 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
7900
7901         * gthr-vxworks.h (UNUSED): Define.
7902
7903 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
7904
7905         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
7906
7907 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
7908
7909         * doc/extend.texi (Function Attributes): Add missing comma in the
7910         example of the "alloc_size" attribute.
7911         
7912 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
7913
7914         Revert:
7915         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
7916
7917         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
7918         32bit host.
7919
7920         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
7921
7922         PR target/35496
7923         * stor-layout.c (update_alignment_for_field): Set minimum alignment
7924         of the underlying type of a MS bitfield layout to the natural
7925         alignment of the type.
7926
7927         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
7928
7929         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
7930         to their natural alignment to avoid store forwarding stalls.
7931
7932 2008-03-22  Richard Guenther  <rguenther@suse.de>
7933
7934         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
7935         For PHI nodes verify the address is invariant.
7936         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
7937         (get_symbol_constant_value): Use is_gimple_min_invariant.
7938         (maybe_fold_stmt_indirect): Likewise.
7939
7940 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
7941
7942         PR rtl-optimization/33927
7943         * Makefile.in (dse.o): Depend on $(TM_P_H).
7944         * expr.h (extract_low_bits): Declare.
7945         * expmed.c (extract_low_bits): New function.
7946         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
7947         * dse.c: Include tm_p.h.
7948         (find_shift_sequence): Remove the read_reg argument and return the
7949         read value.  Emit the instructions instead of returning them.
7950         Iterate on new_mode rather than calculating it each time.
7951         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
7952         source to NEW_MODE and extract_low_bits to convert the shifted
7953         value to READ_MODE.
7954         (replace_read): Allow the load and store to have different mode
7955         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
7956         or extraction instructions before trying the replacement.  Update
7957         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
7958
7959 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
7960
7961         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
7962         to their natural alignment to avoid store forwarding stalls.
7963
7964 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7965
7966         PR target/27946
7967         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
7968         encouraging but not allowing gprs for input;
7969         change the input constraint to !f#r.
7970         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
7971         gprs for output;
7972         change the output constraint to !f#r.
7973
7974 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
7975
7976         PR target/13958
7977         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
7978         corresponding post-reload splitters.
7979         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
7980         when x87 FP math is selected.
7981         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
7982         New function prototype.
7983         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
7984         unreachable function to ease macroization of insn patterns.
7985
7986 2008-03-21  Martin Jambor  <mjambor@suse.cz>
7987
7988         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
7989         reference dumps if ddr is NULL or dependence is unknown.
7990
7991 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
7992
7993         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
7994         unsigned extension into account.
7995         (ATOMIC_COMPARE_AND_SWAP): Likewise.
7996         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
7997         Do computations on a scratch register.
7998
7999 2008-03-21  Richard Guenther  <rguenther@suse.de>
8000
8001         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
8002         Use is_gimple_min_invariant instead of TREE_INVARIANT.
8003         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
8004         * tree-ssa-dom.c (record_equality): Likewise.
8005         * tree-inline.c (copy_body_r): Likewise.
8006         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
8007         TREE_INVARIANT.
8008
8009 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
8010
8011         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
8012         as 'delete_unused' argument.
8013
8014 2008-03-20  Richard Guenther  <rguenther@suse.de>
8015
8016         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
8017         special casing of constant qualifiers.
8018         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
8019         care about them in general.
8020         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
8021         regardless of their type.
8022         (fold_stmt_r): Forcefully fold *& if we end up with that.
8023
8024 2008-03-20  Paul Brook  <paul@codesourcery.com>
8025
8026         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
8027         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
8028         linker flags.
8029         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
8030         definition.
8031         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
8032         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
8033
8034 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
8035
8036         * common.opt (Wmudflap): New option.
8037         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
8038         (mx_register_decls): Likewise.
8039         (mudflap_finish_file): Likewise.
8040         * doc/invoke.texi: Document -Wno-mudflap.
8041
8042 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
8043
8044         * c-format.c (replace_format_name_to_system_name): New.
8045         (cmp_attribs): New.
8046         (convert_format_name_to_system_name): New.
8047         (decode_format_attr): Add use of convert_format_name_to_system_name.
8048         (format_types_orig): Add gnu_ prefix to names.
8049         (check_format_info_main): Special treating of \0 escaped names for
8050         supporting multi-character format specifiers as I32, I64.
8051         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
8052         (gnu_target_overrides_format_attributes): New.
8053         * c-format.h: Add structure target_ovr_attr to hold
8054         system specific formatter names.
8055         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
8056         msformat-c.o file to c_target_objs and cxx_target_objs.
8057         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
8058         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
8059         (TARGET_N_FORMAT_TYPES): New.
8060         * config/i386/msformat-c.c: New.
8061         * config/i386/t-cygming: Add build rule for msformat-c.o.
8062         * doc/extend.texi: Add new format names gnu_* and ms_* and
8063         further details.
8064         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
8065
8066 2008-03-20  Ira Rosen  <irar@il.ibm.com>
8067
8068         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
8069         optimizations turned on under -O3.
8070         (ftree-vectorize): Add that the flag is turned on with -O3.
8071
8072 2008-03-20  Ben Elliston  <bje@au.ibm.com>
8073
8074         * regmove.c (try_auto_increment): Fix spelling error in comment.
8075         * final.c (final_scan_insn): Likewise.
8076
8077 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
8078
8079         PR target/14552
8080         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
8081         allocator preferences for "y" and "r" class registers.
8082         ("*mov<mode>_internal"): Ditto.
8083         ("*movv2sf_internal_rex64"): Ditto.
8084         ("*movv2sf_internal"): Ditto.
8085
8086 2008-03-19  Michael Matz  <matz@suse.de>
8087
8088         PR middle-end/35616
8089         * calls.c (expand_call): Check overlap of arguments with call
8090         address for sibcalls.
8091
8092 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
8093
8094         PR target/35496
8095         * stor-layout.c (update_alignment_for_field): Set minimum alignment
8096         of the underlying type of a MS bitfield layout to the natural
8097         alignment of the type.
8098
8099 2008-03-19  Jan Hubicka  <jh@suse.cz>
8100
8101         PR other/35094
8102         * toplev.c (decode_d_option): Handle all CPP flags.
8103         * tree-vrp.c: Update tree_pass descriptors.
8104         * regrename.c: Update tree_pass descriptors.
8105         * fwprop.c: Update tree_pass descriptors.
8106         * doc/invoke.texi: Remove documentation of dropped -d? flags.
8107         * tree-into-ssa.c: Update tree_pass descriptors.
8108         * tree-dump.c: Update tree_pass descriptors.
8109         * tree-complex.c: Update tree_pass descriptors.
8110         * tree-dump.h: Update tree_pass descriptors.
8111         * see.c: Update tree_pass descriptors.
8112         * cgraphbuild.c: Update tree_pass descriptors.
8113         * tracer.c: Update tree_pass descriptors.
8114         * tree-loop-distribution.c: Update tree_pass descriptors.
8115         * cgraph.c: Update tree_pass descriptors.
8116         * postreload-gcse.c: Update tree_pass descriptors.
8117         * postreload.c: Update tree_pass descriptors.
8118         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
8119         * tree-tailcall.c: Update tree_pass descriptors.
8120         * tree-pass.h (tree_opt_pass): Rename to ...
8121         (opt_pass) ... this one; add "type" field and remove letter field.
8122         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
8123         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
8124         all_lowering_passes): Update declaration.
8125         * ipa-cp.c: Update tree_pass descriptors.
8126         * final.c: Update tree_pass descriptors.
8127         * omp-low.c: Update tree_pass descriptors.
8128         * tree-ssa-dse.c: Update tree_pass descriptors.
8129         * ipa-reference.c: Update tree_pass descriptors.
8130         * tree-ssa-uncprop.c: Update tree_pass descriptors.
8131         * auto-inc-dec.c: Update tree_pass descriptors.
8132         * reorg.c: Update tree_pass descriptors.
8133         * cgraphunit.c: Update tree_pass descriptors.
8134         * tree-ssa-copyrename.c: Update tree_pass descriptors.
8135         * tree-ssa-ccp.c: Update tree_pass descriptors.
8136         * df-core.c: Update tree_pass descriptors.
8137         * mode-switching.c: Update tree_pass descriptors.
8138         * tree-nomudflap.c: Update tree_pass descriptors.
8139         * modulo-sched.c: Update tree_pass descriptors.
8140         * ipa-pure-const.c: Update tree_pass descriptors.
8141         * cse.c: Update tree_pass descriptors.
8142         * web.c: Update tree_pass descriptors.
8143         * tree-stdarg.c: Update tree_pass descriptors.
8144         * tree-ssa-math-opts.c: Update tree_pass descriptors.
8145         * tree-ssa-dom.c: Update tree_pass descriptors.
8146         * tree-nrv.c: Update tree_pass descriptors.
8147         * tree-ssa-alias.c: Update tree_pass descriptors.
8148         * loop-init.c: Update tree_pass descriptors.
8149         * gimple-low.c: Update tree_pass descriptors.
8150         * ipa-inline.c: Update tree_pass descriptors.
8151         * tree-ssa-sink.c: Update tree_pass descriptors.
8152         * global.c: Update tree_pass descriptors.
8153         * ifcvt.c: Update tree_pass descriptors.
8154         * jump.c: Update tree_pass descriptors.
8155         * predict.c: Update tree_pass descriptors.
8156         * tree-ssa-loop.c: Update tree_pass descriptors.
8157         * recog.c: Update tree_pass descriptors.
8158         * dse.c: Update tree_pass descriptors.
8159         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
8160         * tree-eh.c: Update tree_pass descriptors.
8161         * regmove.c: Update tree_pass descriptors.
8162         * local-alloc.c
8163         * function.c: Update tree_pass descriptors.
8164         * tree-vectorizer.c: Update tree_pass descriptors.
8165         * gcse.c: Update tree_pass descriptors.
8166         * ipa-type-escape.c: Update tree_pass descriptors.
8167         * tree-if-conv.c: Update tree_pass descriptors.
8168         * init-regs.c: Update tree_pass descriptors.
8169         * ipa.c: Update tree_pass descriptors.
8170         * tree-ssa-phiopt.c: Update tree_pass descriptors.
8171         * rtl-factoring.c: Update tree_pass descriptors.
8172         * lower-subreg.c: Update tree_pass descriptors.
8173         * bt-load.c: Update tree_pass descriptors.
8174         * tree-dfa.c: Update tree_pass descriptors.
8175         * except.c: Update tree_pass descriptors.
8176         * emit-rtl.c: Update tree_pass descriptors.
8177         * cfgexpand.c: Update tree_pass descriptors.
8178         * tree-cfgcleanup.c: Update tree_pass descriptors.
8179         * cfgcleanup.c: Update tree_pass descriptors.
8180         * tree-ssa-pre.c: Update tree_pass descriptors.
8181         * tree-sra.c: Update tree_pass descriptors.
8182         * tree-mudflap.c: Update tree_pass descriptors.
8183         * tree-ssa-copy.c: Update tree_pass descriptors.
8184         * cfglayout.c: Update tree_pass descriptors.
8185         * tree-ssa-forwprop.c: Update tree_pass descriptors.
8186         * tree-ssa-dce.c: Update tree_pass descriptors.
8187         * tree-ssa.c: Update tree_pass descriptors.
8188         * regclass.c: Update tree_pass descriptors.
8189         * integrate.c: Update tree_pass descriptors.
8190         * tree-optimize.c: Update tree_pass descriptors.
8191         * tree-ssa-phiprop.c: Update tree_pass descriptors.
8192         * tree-object-size.c: Update tree_pass descriptors.
8193         * combine.c: Update tree_pass descriptors.
8194         * tree-outof-ssa.c: Update tree_pass descriptors.
8195         * bb-reorder.c: Update tree_pass descriptors.
8196         * stack-ptr-mod.c: Update tree_pass descriptors.
8197         * var-tracking.c: Update tree_pass descriptors.
8198         * tree-profile.c: Update tree_pass descriptors.
8199         * tree-vect-generic.c: Update tree_pass descriptors.
8200         * reg-stack.c: Update tree_pass descriptors.
8201         * sched-rgn.c: Update tree_pass descriptors.
8202         * tree-ssa-structalias.c: Update tree_pass descriptors.
8203         * tree-cfg.c: Update tree_pass descriptors.
8204         * passes.c (current_pass): Update declaration.
8205         (finish_optimization_passes): Update.
8206         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
8207         (register_one_dump_file, register_dump_files_1, next_pass_1):
8208         Update arguments.
8209         (init_optimization_passes): Update handling of new types.
8210         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
8211         * ipa-struct-reorg.c: Update tree_pass descriptors.
8212         * tree-ssa-reassoc.c: Update tree_pass descriptors.
8213         * combine-stack-adj.c: Update tree_pass descriptors.
8214         * cfgrtl.c: Update tree_pass descriptors.
8215         * dce.c: Update tree_pass descriptors.
8216         * tree-ssanames.c: Update tree_pass descriptors.
8217
8218 2008-03-19  Richard Guenther  <rguenther@suse.de>
8219
8220         PR middle-end/35609
8221         * tree-ssa.c (walk_data): New structure.
8222         (warn_uninitialized_var): If not always_executed warn with "maybe"
8223         instead of "is".
8224         (execute_early_warn_uninitialized): Compute post-dominators.
8225         Initialize always_executed before processing each basic block.
8226
8227 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
8228
8229         PR target/35504
8230         * config/i386/i386.c (x86_this_parameter): Calculate correct location
8231         of "this" pointer when "regparm = N" or "fastcall" is in effect.
8232
8233 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8234
8235         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
8236
8237 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
8238
8239         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
8240         is true.
8241         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
8242         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
8243         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
8244         target after ignore has been set, and move there also the commputation
8245         of subtarget and original_target.
8246         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
8247         (LANG_HOOKS_INITIALIZER): Remove it.
8248         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
8249
8250 2008-03-18  Richard Guenther  <rguenther@suse.de>
8251
8252         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
8253         found an expression with constants, note that in the VN for the lhs.
8254         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
8255         fold them to constants if possible.  Run cleanup_cfg if done so.
8256         (execute_pre): Return todo.
8257         (do_pre): Likewise.
8258         (execute_fre): Likewise.
8259         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
8260         of constants.
8261         (get_prop_source_stmt): Look through pointer conversions.
8262
8263 2008-03-18  Jan Hubicka  <jh@suse.cz>
8264
8265         * tree-pretty-print.c: Include predict.h.
8266         (dump_generic_node): Dump predictor.
8267         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
8268         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
8269         * gimple-low.c (lower_stmt): Likewise.
8270         * expr.c (expand_expr_real): Likewise.
8271         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
8272         them.
8273         (build_predict_expr, build_predict_expr): New.
8274         * predict.h (predictor_name, build_predict_expr): Update.
8275         * c-typeck.c (c_finish_bc_stmt): Add prediction.
8276         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
8277         * predict.def (PRED_CONTINUE): Update hitrate.
8278         * tree.def (PREDICT_EXPR): Define.
8279         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
8280         do not handle BIND_EXPR.
8281         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
8282         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
8283         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
8284         operands.
8285
8286 2008-03-18  Michael Matz  <matz@suse.de>
8287
8288         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
8289
8290 2008-03-18  Richard Guenther  <rguenther@suse.de>
8291
8292         * tree-gimple.h (is_gimple_invariant_address): Declare.
8293         (is_gimple_constant): Likewise.
8294         * tree-gimple.c (is_gimple_constant): New function.
8295         (is_gimple_invariant_address): Likewise.
8296         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
8297         and is_gimple_invariant_address.
8298         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
8299         previous change.
8300         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
8301         an addressable base.
8302
8303 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
8304
8305         PR middle-end/35611
8306         * gimplify.c (gimplify_expr): Gimplify second operand of
8307         OMP_ATOMIC_LOAD.
8308
8309 2008-03-17  Richard Guenther  <rguenther@suse.de>
8310
8311         PR tree-optimization/19637
8312         * fold-const.c (fold_unary): Remove restrictions of removing
8313         intermediate pointer-conversions (P2)(P1)P0.
8314         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
8315         conversion to void pointer.
8316         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
8317
8318 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
8319
8320         PR debug/31510
8321         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
8322         emulated thread local variables.
8323
8324 2008-03-16  Richard Guenther  <rguenther@suse.de>
8325
8326         PR middle-end/35607
8327         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
8328         expand TREE_INVARIANT operations that are not gimple invariant.
8329
8330 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
8331
8332         * doc/extend.texi (Alignment): Say that the ABI controls
8333         the __alignof__ for non-strict-alignment targets rather
8334         than being a recommendation.
8335
8336 2008-03-15  Paul Brook  <paul@codesourcery.com>
8337
8338         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
8339         annotations.
8340         (arm_output_fn_unwind): Mark functions that can not be unwound.
8341
8342 2008-03-15  Paul Brook  <paul@codesourcery.com>
8343
8344         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
8345         extension instructions.
8346
8347 2008-03-15  Richard Guenther  <rguenther@suse.de>
8348
8349         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
8350         and fold constant aggregate refs.
8351         (fold_const_aggregate_ref): Handle string constants
8352         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
8353         (evaluate_stmt): Simplify now that ccp_fold folds constant
8354         aggregate refs.
8355
8356 2008-03-15  Paul Brook  <paul@codesourcery.com>
8357
8358         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
8359         (extzv): Use gen_extzv_t2.
8360         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
8361
8362 2008-03-15  Richard Guenther  <rguenther@suse.de>
8363
8364         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
8365         (fold_const_aggregate_ref): Likewise.
8366         (get_value): Return NULL if we don't have any values.
8367         (ccp_finalize): Set const_val to NULL after freeing it.
8368         * tree-flow.h (get_symbol_constant_value): Declare.
8369         (fold_const_aggregate_ref): Likewise.
8370         * tree-ssa-sccvn.c (try_to_simplify): Use them.
8371
8372 2008-03-15  Richard Guenther  <rguenther@suse.de>
8373
8374         PR middle-end/35593
8375         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
8376         to not produce negative array indices if not allowed.  Add
8377         parameter to indicate that.
8378         (maybe_fold_offset_to_component_ref): Allow negative array
8379         indices only for the first member of a structure.
8380         (maybe_fold_offset_to_reference): Allow negative array indices.
8381         (maybe_fold_stmt_addition): Likewise.
8382
8383 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
8384             Anatoly Sokolov <aesok@post.ru>
8385
8386         * config/avr/avr.c (avr_arch_types): Add avr6 entry.
8387         (avr_arch): Add ARCH_AVR6.
8388         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
8389         (initial_elimination_offset): Initialize and use 'avr_pc_size' 
8390         instead of fixed value 2.
8391         (print_operand_address): Use gs() asm specifier instead of pm().
8392         (avr_assemble_integer): (Ditto.).
8393         (avr_output_addr_vec_elt): (Ditto.).
8394         (print_operand): Handle "!" code.
8395         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add 
8396         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
8397         (AVR_HAVE_EIJMP_EICALL): Define.
8398         (AVR_3_BYTE_PC): Redefine.
8399         (AVR_2_BYTE_PC): (Ditto.).
8400         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
8401         (LINK_SPEC): Add atmega2560 and atmega2561.
8402         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561 
8403         (crtm2561.o).
8404         * config/avr/avr.md (call_insn): Use eicall instead of icall 
8405         for 3 byte PC devices.
8406         (call_value_insn): (Ditto.).
8407         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
8408         (indirect_jump): Use only for for 2 byte PC devices.
8409         (*tablejump): (Ditto.).
8410         (*indirect_jump_avr6): Add insn.
8411         (*tablejump_rjmp): Don't use for 3 byte PC devices.
8412         * config/avr/libgcc.S (__prologue_saves__): Use eijmp 
8413         instead of ijmp for 3 byte PC devices.
8414         (__tablejump2__): (Ditto.).
8415         * config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
8416         (MULITLIB_DIRNAMES): (Ditto.). 
8417         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
8418
8419 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
8420
8421         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
8422         "sse2_umulsidi3".  Use V1DI mode for operand 0.
8423         ("mmx_psadbw"): Use V1DI mode for operand 0.
8424         * config/i386/i386-modes.def (V1SI): New vector mode.
8425         * config/i386/i386.c (struct builtin_description)
8426         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
8427         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
8428         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
8429         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
8430         v1di_ftype_v8qi_v8qi type.
8431         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
8432
8433         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
8434         __builtin_ia32_pmuludq]: Fix the mode of return value.
8435
8436 2008-03-15  Richard Guenther  <rguenther@suse.de>
8437
8438         PR middle-end/35595
8439         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
8440         being a PHI_NODE.
8441
8442 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
8443         
8444         * doc/invoke.texi (Option Summary, Xtensa Options): Document
8445         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
8446         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
8447         unless TARGET_SERIALIZE_VOLATILE is enabled.
8448         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
8449         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
8450         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
8451
8452 2008-03-14  Richard Guenther  <rguenther@suse.de>
8453
8454         PR tree-optimization/34172
8455         * tree-flow.h (refs_may_alias_p): Declare.
8456         (get_single_def_stmt): Likewise.
8457         (get_single_def_stmt_from_phi): Likewise.
8458         (get_single_def_stmt_with_phi): Likewise.
8459         * tree-dfa.c (refs_may_alias_p): New function.
8460         (get_single_def_stmt): Likewise.
8461         (get_single_def_stmt_from_phi): Likewise.
8462         (get_single_def_stmt_with_phi): Likewise.
8463         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
8464         (vn_reference_lookup_1): New helper function.
8465         (vn_reference_lookup): Walk the virtual use-def chain to
8466         continue searching for a match if the def does not alias the
8467         reference we are looking for.
8468
8469 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
8470
8471         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
8472         archive and Perzl.  Update The Written Word listing.
8473
8474 2008-03-14  Richard Guenther  <rguenther@suse.de>
8475
8476         PR tree-optimization/34043
8477         PR tree-optimization/33989
8478         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
8479         when doing FRE.
8480         (bitmap_find_leader): Use extra argument to verify dominance
8481         relationship inside a basic-block.
8482         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
8483         (find_leader_in_sets): Adjust.
8484         (create_component_ref_by_pieces): Take extra argument for
8485         dominance check, handle lookup failures.
8486         (find_or_generate_expression): Likewise.
8487         (create_expression_by_pieces): Likewise.
8488         (insert_into_preds_of_block): Adjust.
8489         (create_value_expr_from): If asked for, verify all operands
8490         are in the blocks AVAIL_OUT set.
8491         (make_values_for_stmt): Check for SSA_NAMEs that are life
8492         over an abnormal edge.
8493         (compute_avail): Remove such check.
8494         (do_SCCVN_insertion): New function.
8495         (eliminate): If we do not find a leader suitable for replacement
8496         insert a replacement expression from SCCVN if available.
8497         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
8498         (struct vn_ssa_aux): Add needs_insertion flag.
8499         * tree-ssa-sccvn.c (may_insert): New global flag.
8500         (copy_reference_ops_from_ref): Value-number union member access
8501         based on its size, not type and member if insertion is allowed.
8502         (visit_reference_op_load): For a weak match from union type
8503         punning lookup a view-converted value and insert a SSA_NAME
8504         for that value if that is not found.
8505         (visit_use): Make dumps shorter.  Do not disallow value numbering
8506         SSA_NAMEs that are life over an abnormal edge to constants.
8507         (free_scc_vn): Release inserted SSA_NAMEs.
8508         (run_scc_vn): New flag to specify whether insertion is allowed.
8509         Process SSA_NAMEs in forward order.
8510         * tree-ssa-loop-im.c (for_each_index): Handle invariant
8511         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
8512         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
8513         pointer type to/from integral types that do not change the
8514         precision to regular conversions.
8515
8516 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
8517
8518         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
8519         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
8520         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
8521         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
8522         input arguments and the mode of return value.  Built-in functions
8523         that operate on whole 64-bit MMX register now use V1DI mode.
8524
8525 2008-03-13  Alon Dayan  <alond@il.ibm.com>
8526             Olga Golovanevsky  <olga@il.ibm.com>
8527
8528         PR tree-optimization/35041
8529         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
8530         to locate the right position in a statement.
8531
8532 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
8533
8534         PR target/34000
8535         PR target/35553
8536         * config/i386/xmmintrin.h:  Change all static inline functions to
8537         extern inline and add __gnu_inline__ attribute.
8538         * config/i386/bmintrin.h: Ditto.
8539         * config/i386/smmintrin.h: Ditto.
8540         * config/i386/tmmintrin.h: Ditto.
8541         * config/i386/mmintrin-common.h: Ditto.
8542         * config/i386/ammintrin.h: Ditto.
8543         * config/i386/emmintrin.h: Ditto.
8544         * config/i386/pmmintrin.h: Ditto.
8545         * config/i386/mmintrin.h: Ditto.
8546         * config/i386/mm3dnow.h: Ditto.
8547
8548 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
8549
8550         PR middle-end/35185
8551         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
8552         (lower_omp_2): New function.
8553         (lower_omp_1, lower_omp): Rewritten.
8554
8555 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
8556
8557         PR 35054
8558         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
8559         with the phrase "Microsoft Windows compilers".
8560         (Push/Pop Macro Pragmas): New subsection. Document
8561         #pragma push_macro and pragma pop_macro.
8562
8563 2008-03-12  Paul Brook  <paul@codesourcery.com>
8564
8565         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
8566
8567 2008-03-12  Paul Brook  <paul@codesourcery.com>
8568
8569         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
8570         (thumb2_alusi3_short): Exclude PLUS and MINUS.
8571         (thumb2_addsi_shortim): Rename ...
8572         (thumb2_addsi_short): ... to this.  Allow register operands.
8573         (thumb2_subsi_short): New pattern.
8574         (thumb2_one_cmplsi2_short,
8575         thumb2_negsi2_short): New patterns and peepholes.
8576
8577 2008-03-12  Paul Brook  <paul@codesourcery.com>
8578
8579         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
8580
8581 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
8582
8583         * config/i386/i386.md (int_cond): New code iterator.
8584         (fp_cond): Ditto.
8585         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
8586         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
8587         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
8588         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
8589         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
8590         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
8591         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
8592         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
8593
8594 2008-03-12  Paul Brook  <paul@codesourcery.com>
8595
8596         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
8597         instead of {arm,thumb}_compute_save_reg_mask.
8598         (output_return_instruction): Ditto.
8599         (thumb_unexpanded_epilogue): Ditto.
8600         (thumb1_expand_prologue): Ditto.
8601         (thumb1_output_function_prologue): Ditto.
8602         (arm_set_return_address): Ditto.
8603         (thumb_set_return_address): Ditto.
8604         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
8605         regs to achieve stack alignment.
8606         (thumb1_compute_save_reg_mask): Fix compiler warning.
8607         (arm_output_epilogue): Use offsets->saved_regs_mask.
8608         Adjust stack pointer by poping call clobered registers.
8609         (arm_expand_prologue): Use offsets->saved_regs_mask.
8610         Adjust stack pointer by pushing extra registers.
8611         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
8612
8613 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
8614
8615         PR tree-opt/35422
8616         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
8617         conversion to the operands of a multiplication.
8618
8619 2008-03-12  Richard Guenther  <rguenther@suse.de>
8620
8621         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
8622         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
8623         * timevar.def (TV_TREE_PHIPROP): Add.
8624         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
8625         pass description.  Use TV_TREE_PHIPROP.
8626         * tree-ssa-forwprop.c: Remove phiprop code.
8627
8628 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
8629
8630         PR middle-end/35549
8631         * omp-low.c (maybe_lookup_decl): Constify first argument.
8632         (use_pointer_for_field): Change last argument from bool to
8633         omp_context *.  Disallow shared copy-in/out in nested
8634         parallel if decl is shared in outer parallel too.
8635         (build_outer_var_ref, scan_sharing_clauses,
8636         lower_rec_input_clauses, lower_copyprivate_clauses,
8637         lower_send_clauses, lower_send_shared_vars): Adjust callers.
8638
8639 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
8640             Ira Rosen  <irar@il.ibm.com>
8641
8642         * tree-vectorizer.c (free_stmt_vec_info): New function.
8643         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
8644         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
8645         * tree-vectorizer.h (free_stmt_vec_info): Declare.
8646         * tree-vect-transform.c (vectorizable_conversion): Free
8647         vec_oprnds0 if it was allocated.
8648         (vect_permute_store_chain): Remove unused VECs.
8649         (vectorizable_store): Free VECs that are allocated in the..
8650         function.
8651         (vect_transform_strided_load, vectorizable_load): Likewise.
8652         (vect_remove_stores): Simplify the code.
8653         (vect_transform_loop): Move code to vect_remove_stores().
8654         Call vect_remove_stores() and free_stmt_vec_info().
8655
8656 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8657
8658         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
8659         TARGET_HPUX.  Revise comment.
8660         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
8661         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
8662         Use sr4 variant of `be' instruction when not generating PIC code.
8663         (attr_length_call): Adjust for above change.
8664
8665 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8666
8667         * ipa-reference.c (static_execute): Remove module_statics_const and
8668         associated setting code.
8669
8670 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
8671
8672         PR target/35540
8673         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
8674         predicate for operand 1.
8675         (paritysi2_cmp): Use register_operand predicate for operand 2.
8676         Use earlyclobber modifier for operand 1.  Remove support for
8677         memory operands.
8678         (paritydi2_cmp): Use register_operand predicate for operand 3.
8679         Use earlyclobber modifier for operand 1.  Remove support for
8680         memory operands.
8681
8682 2008-03-11  Paul Brook  <paul@codesourcery.com>
8683             Vladimir Prus  <vladimir@codesourcery.com>
8684
8685         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
8686         (arm_compute_save_reg0_reg12_mask): Always
8687         check if register 11 must be saved.  Always safe hard frame pointer
8688         when frame_pointer_needeed.
8689         (arm_compute_save_reg_mask): Save IP and PC
8690         only with apcs frames.
8691         (arm_output_epilogue): Adjust Thumb2 codepath to
8692         be also invoked and work for ARM non-apcs frames.
8693         (arm_expand_prologue): Don't bother saving IP
8694         for non-apcs frame, since it's not clobbered by
8695         prologue code.  Implement non-apcs frame
8696         layout.
8697
8698 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
8699
8700         PR rtl-optimization/35281
8701         * expr.c (convert_move): Use a new pseudo for the intermediate
8702         from_mode->word_mode result.
8703
8704 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
8705
8706         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
8707         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
8708         * toplev.c (compile_file): Don't call it.
8709
8710 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
8711
8712         PR middle-end/35526
8713         * expr.c (store_expr): Call emit_block_move if the mode
8714         of "temp" RTX is BLKmode.
8715
8716 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8717             Richard Guenther  <rguenther@suse.de>
8718
8719         PR tree-optimization/31358
8720         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
8721         the step with a NULL_TREE.
8722         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
8723         to sizetype if type is a pointer type.
8724         (add_candidate_1): Don't convert the base and step to
8725         the generic type if the orginal type is a pointer type.
8726         (add_iv_value_candidates): Use sizetype for the step
8727         if type is a pointer type.
8728         (cand_value_at): Likewise.
8729         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
8730         for pointer types.
8731         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
8732         Don't convert the tem affine to the type.
8733         (add_elt_to_tree): Use sizetype for the step if a pointer.
8734         Use POINTER_PLUS_EXPR for pointers.
8735         (aff_combination_to_tree): Use sizetype for the step if a
8736         pointer.
8737
8738 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
8739
8740         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
8741         Remove commutativity hint.
8742
8743 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
8744
8745         PR c/35438
8746         PR c/35439
8747         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
8748         errorneous type.  Check that v is a VAR_DECL.
8749
8750         PR middle-end/35099
8751         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
8752
8753 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
8754
8755         PR tree-optimization/35494
8756         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
8757         may be overriden at link and run time.
8758
8759 2008-03-10  Richard Guenther  <rguenther@suse.de>
8760
8761         PR tree-optimization/34677
8762         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
8763         (poolify_tree): Likewise.
8764         (modify_expr_template): Likewise.
8765         (poolify_modify_stmt): Likewise.
8766         (insert_fake_stores): Handle all component-ref style stores
8767         in addition to INDIRECT_REF.  Also handle complex types.
8768         Do not poolify the inserted load.
8769         (realify_fake_stores): Do not rebuild the tree but only
8770         make it a SSA_NAME copy.
8771         (init_pre): Remove initialzation of modify_expr_template.
8772         Do not allocate modify_expr_node_pool.
8773         (fini_pre): Do not free modify_expr_node_pool.
8774
8775 2008-03-10  Paul Brook  <paul@codesourcery.com>
8776
8777         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
8778         to avoid conflicts.
8779
8780 2008-03-10  Paul Brook  <paul@codesourcery.com>
8781             Mark Shinwell  <shinwell@codesourcery.com>
8782
8783         * config/arm/cortex-r4.md: New.
8784         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
8785         insn attributes.
8786         * config/arm/arm.md: Include cortex-r4.md.
8787         (insn): Add smmls, sdiv and udiv values.
8788         (generic_sched): Don't use generic scheduling for Cortex-R4.
8789         (arm_issue_rate): New function.
8790         (TARGET_SCHED_ISSUE_RATE): Define.
8791
8792 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
8793
8794         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
8795
8796 2008-03-10  Richard Guenther  <rguenther@suse.de>
8797
8798         * tree-ssa-pre.c (get_sccvn_value): Simplify.
8799         (compute_avail): Do not add stmt uses to AVAIL_OUT.
8800
8801 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
8802
8803         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
8804         Set default to true.
8805
8806 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8807
8808         * c.opt (Wsynth): Deprecate.
8809         * doc/invoke.texi (Option Summary, Warning Options): Document
8810         -Wno-format-contains-nul.
8811
8812 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
8813
8814         PR target/35496
8815         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
8816         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
8817
8818 2008-03-09  Ira Rosen  <irar@il.ibm.com>
8819
8820         * config/rs6000/rs6000.c (builtin_description): Rename vector
8821         left shift operations.
8822         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
8823         (altivec_vsl<VI_char>): Rename to ...
8824         (ashl<mode>3): ... new name.
8825         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
8826         gen_ashlv4si3.
8827         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
8828
8829 2008-03-08  Richard Guenther  <rguenther@suse.de>
8830
8831         * coverage.h (tree_coverage_counter_addr): Declare.
8832         * coverage.c (tree_coverage_counter_addr): New function.
8833         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
8834         before using again.
8835         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
8836         (tree_gen_one_value_profiler): Likewise.
8837         (tree_gen_ic_profiler): Likewise.
8838         (tree_gen_average_profiler): Likewise.
8839         (tree_gen_ior_profiler): Likewise.
8840
8841 2008-03-08  Richard Guenther  <rguenther@suse.de>
8842
8843         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
8844         (vn_binary_op_insert): Likewise.
8845         (vn_unary_op_lookup): Likewise.
8846         (vn_unary_op_insert): Likewise.
8847         (vn_nary_op_lookup): Declare.
8848         (vn_nary_op_insert): Likewise.
8849         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
8850         and binary hashes, use a single obstack for unary_op_pool
8851         and binary_op_pool.
8852         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
8853         a single struct vn_nary_op_s.  Store tree code length and
8854         a variable number of operands.
8855         (struct vn_reference_op_struct): Remove unused op2.
8856         (vn_reference_op_eq): Do not compare op2.
8857         (vn_reference_op_compute_hash): Do not compute hash of op2.
8858         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
8859         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
8860         with vn_nary_op_compute_hash.
8861         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
8862         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
8863         vn_nary_op_lookup.
8864         (vn_unary_op_insert, vn_binary_op_insert): Replace with
8865         vn_nary_op_insert.
8866         (visit_unary_op): Call nary functions.
8867         (visit_binary_op): Likewise.
8868         (process_scc): Adjust for struct vn_tables_s changes.
8869         (allocate_vn_table): Likewise.
8870         (free_vn_table): Likewise.
8871         * tree-vn.c (vn_add): Call nary functions.
8872         (vn_lookup): Likewise.
8873
8874 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
8875
8876         PR target/35498
8877         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
8878         wdst back after sync_compare_and_swapqhi_internal.
8879
8880 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
8881
8882         PR target/22152
8883         * config/i386/i386-modes.def (V1DI): New vector mode.
8884         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
8885         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
8886         (MMXMODE248): Ditto.
8887         (MMXMODE): Add V1DI mode.
8888         (mmxvecsize): Change DI mode to V1DI mode.
8889         ("mov<mode>): Use MMXMODEI8 mode iterator.
8890         ("*mov<mode>_internal_rex64"): Ditto.
8891         ("*mov<mode>_internal"): Ditto.
8892         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
8893         ("mmx_sub<mode>3"): Ditto.
8894         ("mmx_adddi3"): Remove insn pattern.
8895         ("mmx_subdi3"): Ditto.
8896         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
8897         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
8898         ("mmx_ashl<mode>3"): Ditto.
8899         ("mmx_lshrdi3"): Remove insn pattern.
8900         ("mmx_ashldi3"): Ditto.
8901         * config/i386/i386.c (classify_argument): Handle V1DImode.
8902         (function_arg_advance_32): Ditto.
8903         (function_arg_32): Ditto.
8904         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
8905         mmx_addv1di3 insn pattern.
8906         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
8907         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
8908         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
8909         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
8910         Remove definitions of built-in functions.
8911         (V1DI_type_node): New node.
8912         (v1di_ftype_v1di_int): Ditto.
8913         (v1di_ftype_v1di_v1di): Ditto.
8914         (v2si_ftype_v2si_si): Ditto.
8915         (v4hi_ftype_v4hi_di): Remove node.
8916         (v2si_ftype_v2si_di): Ditto.
8917         (ix86_init_mmx_sse_builtins): Handle V1DImode.
8918         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
8919         Redefine builtins using def_builtin_const with *_ftype_*_int node.
8920         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
8921         Add new builtins using def_builtin_const.
8922         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
8923         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
8924         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
8925         * config/i386/mmintrin.h (__v1di): New typedef.
8926         (_mm_add_si64): Cast arguments to __v1di type.
8927         (_mm_sub_si64): Ditto.
8928         (_mm_sll_pi16): Cast __count to __v4hi type.
8929         (_mm_sll_pi32): Cast __count to __v2si type.
8930         (_mm_sll_si64): Cast arguments to __v1di type.
8931         (_mm_srl_pi16): Cast __count to __v4hi type.
8932         (_mm_srl_pi32): Cast __count to __v2si type.
8933         (_mm_srl_si64): Cast arguments to __v1di type.
8934         (_mm_sra_pi16): Cast __count to __v4hi type.
8935         (_mm_sra_pi32): Cast __count to __v2si type.
8936         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
8937         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
8938         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
8939         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
8940         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
8941         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
8942         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
8943         (_mm_srai_pi32): Use __builtin_ia32_psradi.
8944         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
8945         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
8946         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
8947         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
8948
8949 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
8950
8951         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
8952
8953 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
8954
8955         PR target/35373
8956         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
8957         reg+const addressing for Altivec modes.  Don't generate reg+reg
8958         addressing for TFmode or TDmode quantities.
8959
8960 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
8961
8962         * c-common.c (vector_types_convertible_p): Call langhook
8963         instead of comptypes.
8964
8965 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8966
8967         PR tree-opt/35402
8968         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
8969         integral and scalar float variables which have a
8970         NULL DECL_INITIAL.
8971
8972 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
8973
8974         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
8975         dwarf_register_span hook when emitting unwind information for
8976         register-to-memory saves.
8977         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
8978         (rs6000_frame_related): Remove call to spe_synthesize_frame.
8979
8980 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
8981
8982         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
8983         for the same VAR_DECL.
8984
8985 2008-03-06  Tom Tromey  <tromey@redhat.com>
8986
8987         * treelang: Delete.
8988         * doc/standards.texi (Standards): Don't mention treelang.
8989         * doc/invoke.texi (Overall Options): Don't mention treelang.
8990         * doc/install.texi (Prerequisites): Don't mention bison or
8991         treelang.
8992         (Configuration): Don't mention treelang.
8993         (Building): Likewise.
8994         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
8995
8996 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
8997
8998         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
8999         word-extractions out of a multi-word object.
9000
9001 2008-03-06  Richard Guenther  <rguenther@suse.de>
9002
9003         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
9004         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
9005         result type and precision.
9006         * expr.c (get_inner_reference): Set unsignedp based on the result
9007         type of BIT_FIELD_REF.
9008         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
9009         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
9010         (try_instantiate_multiple_fields): Likewise.  Use the correct type
9011         for BIT_FIELD_REF.
9012         (sra_build_assignment): Likewise.
9013         (sra_build_elt_assignment): Likewise.
9014         (sra_explode_bitfield_assignment): Likewise.
9015         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
9016         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
9017         set BIT_FIELD_REF_UNSIGNED.
9018         (vectorizable_load): Likewise.
9019
9020 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
9021
9022         * cse.c (cse_extended_basic_block): Invalidate artificial defs
9023         at bb start.
9024
9025 2008-03-06  Richard Guenther  <rguenther@suse.de>
9026
9027         * alias.c (struct alias_set_entry): Move has_zero_child field
9028         to pack with alias_set.
9029
9030 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
9031
9032         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
9033         32bit host.
9034
9035 2008-03-05  Ian Lance Taylor  <iant@google.com>
9036
9037         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
9038
9039 2008-03-05  Kenneth Zadeck  <zadeck@naturalbridge.com>
9040
9041         * fwprop.c (update_df): Support width and offset parameters of
9042         df_ref_create.
9043         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
9044         global_conflicts): Change DF_REF_EXTRACT to either
9045         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
9046         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
9047         * df-scan.c (df_ref_record, df_defs_record,
9048         df_ref_create_structure, df_def_record_1, df_uses_record,
9049         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
9050         df_bb_refs_collect, df_entry_block_defs_collect,
9051         df_exit_block_uses_collect): Support new width and offset fields.
9052         (ref_extract_pool): New storage pool.
9053         (df_free_ref): New function.
9054         (df_reg_chain_unlink, df_free_collection_rec,
9055         df_sort_and_compress_refs): Call df_free_ref.
9056         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
9057         of df_ref_extract.
9058         (df_ref_create_structure): Allocate df_ref_extract if offset and
9059         width fields are used.
9060         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
9061         (df_uses_record): Get offset and width from ZERO_EXTRACT 
9062         and SIGN_EXTRACT.
9063         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
9064         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
9065         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
9066         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
9067         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
9068         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
9069         (df_ref_extract): New structure.
9070         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
9071         (df_ref_create): Add width and offset parameters.
9072         
9073 2008-03-05  Richard Guenther  <rguenther@suse.de>
9074
9075         * tree-ssa-structalias.c (get_constraint_for_component_ref):
9076         Use ranges_overlap_p.
9077         (offset_overlaps_with_access): Rename
9078         to ranges_overlap_p and move ...
9079         * tree-flow-inline.h (ranges_overlap_p): ... here.
9080
9081         * tree.h (get_inner_reference, handled_component_p): Update
9082         comments.
9083
9084         * tree.h (record_component_aliases, get_alias_set,
9085         alias_sets_conflict_p, alias_sets_must_conflict_p,
9086         objects_must_conflict_p): Move declarations ...
9087         * alias.h (record_component_aliases, get_alias_set,
9088         alias_sets_conflict_p, alias_sets_must_conflict_p,
9089         objects_must_conflict_p): ... here.
9090         Include coretypes.h.
9091         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
9092
9093 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
9094
9095         * cfg.c: Include tree-flow.h.
9096         (remove_edge_raw): Call redirect_edge_var_map_clear.
9097         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
9098         * tree-flow-inline.h (redirect_edge_var_map_def): New.
9099         (redirect_edge_var_map_result): New.
9100         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
9101         PENDING_STMT use with redirect_edge_var_map_*.
9102         * tree-ssa.c (edge_var_maps): New definition.
9103         (redirect_edge_var_map_add): New.
9104         (redirect_edge_var_map_clear): New.
9105         (redirect_edge_var_map_dup): New.
9106         (redirect_edge_var_map_vector): New.
9107         (redirect_edge_var_map_destroy): New.
9108         (ssa_redirect_edge): Replace PENDING_STMT use with
9109         redirect_edge_var_map_*.
9110         (flush_pending_stmts): Same.
9111         (delete_tree_ssa): Destroy edge var map.
9112         * tree-flow.h (struct _edge_var_map): New.
9113         Define edge_var_map vector type.
9114         Declare redirect_edge_var_map_* prototypes.
9115         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
9116         * tree-cfg.c (reinstall_phi_args): Replace
9117         PENDING_STMT use with redirect_edge_var_map_*.
9118
9119 2008-03-05  Richard Guenther  <rguenther@suse.de>
9120
9121         PR tree-optimization/35472
9122         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
9123         whose single use_stmt has a overlapping set of loaded and
9124         stored symbols as that use_stmt might be a noop assignment then.
9125
9126 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
9127
9128         * gthr-rtems.h: Implement __gthread_mutex_destroy.
9129
9130 2008-03-05  Richard Guenther  <rguenther@suse.de>
9131
9132         PR c++/35336
9133         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
9134         should be constants.
9135         * tree-cfg.c (verify_expr): Verify it.
9136         * fold-const.c (fold_truthop): Remove code generating
9137         BIT_FIELD_REFs of structure bases.
9138         (fold_binary): Likewise.
9139         (fold_ternary): Position and size of BIT_FIELD_REFs are
9140         always host integers.
9141         (make_bit_field_ref): Remove.
9142         (optimize_bit_field_compare): Remove.
9143         (all_ones_mask_p): Remove.
9144
9145 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
9146
9147         PR gcc/33009
9148         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
9149         (split_block_and_df_analyze): New. Split basic block and rebuild
9150         dataflow.
9151         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
9152         SPLIT_BLOCK.
9153         (split_pattern_seq): Likewise.
9154         (erase_matching_seqs): Likewise.
9155         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
9156
9157 2008-03-04  Geoff Keating  <geoffk@apple.com>
9158
9159         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
9160         declaration and code.
9161         (tree_invalid_nonnegative_warnv_p): Likewise.
9162
9163 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
9164
9165         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
9166         examples.  Truncate option-names then causing overfull hbox.
9167
9168 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9169
9170         PR target/35222
9171         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
9172         on hpux10.
9173         * configure: Rebuilt.
9174
9175 2008-03-04  Rafael Espindola  <espindola@google.com>
9176
9177         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
9178         (tree_unary_nonnegative_warnv_p): New.
9179         (tree_binary_nonnegative_warnv_p): New.
9180         (tree_single_nonnegative_warnv_p): New.
9181         (tree_invalid_nonnegative_warnv_p): New.
9182         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
9183
9184 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9185
9186         PR 28322
9187         * opts.c (handle_option): Postpone 'unknown option' errors only for
9188         warning options.
9189
9190 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
9191
9192         PR target/35453
9193         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
9194         (_SIDD_XXX): This.
9195
9196 2008-03-04  Rafael Espindola  <espindola@google.com>
9197
9198         * fold-const.c (tree_unary_nonzero_warnv_p): New.
9199         (tree_binary_nonzero_warnv_p): New.
9200         (tree_single_nonzero_warnv_p): New.
9201         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
9202
9203 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
9204
9205         PR middle-end/35456
9206         * fold-const.c (fold_cond_expr_with_comparison): Prevent
9207         transformations for modes that have signed zeros.
9208         * ifcvt.c (noce_try_abs): Ditto.
9209
9210 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
9211
9212         * config/i386/i386.c (override_options): Force
9213         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
9214
9215 2008-03-04  Jan Hubicka  <jh@suse.cz>
9216
9217         PR c++/35262
9218         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
9219         in last commit.
9220
9221 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
9222
9223         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
9224         label to probe the stack.
9225
9226 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
9227
9228         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
9229         (__gthr_win32_mutex_destroy): Declare.
9230         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
9231         __gthr_win32_mutex_destroy.
9232         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
9233
9234 2008-03-03  Jan Hubicka  <jh@suse.cz>
9235
9236         PR c++/35262
9237         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
9238         aggressive on inlining cold calls.
9239
9240 2008-03-03  Richard Guenther  <rguenther@suse.de>
9241
9242         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
9243         struct copies into the expression table.
9244         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
9245         (try_to_simplify): Likewise.
9246         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
9247         integral and pointer arguments which do not change the
9248         precision to NOP_EXPRs.
9249         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
9250         VIEW_CONVERT_EXPR case.
9251
9252 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
9253
9254         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
9255         defined in a loop at depth 0 is invariant.
9256         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
9257         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
9258         be called at loop depth 0.
9259
9260 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
9261
9262         PR driver/35420
9263         * gcc.c (process_command): Update copyright notice dates.
9264         * gcov.c (print_version): Likewise.
9265         * gcov-dump.c (print_version): Likewise.
9266         * mips-tfile.c (main): Likewise.
9267         * mips-tdump.c (main): Likewise.
9268
9269 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9270
9271         PR 24924
9272         * c-common.c (flag_permissive): Delete.
9273         (constant_expression_warnings): Check flags first.
9274         (constant_expression_error): New.
9275         * c-common.h (flag_permissive): Delete.
9276         (constant_expression_error): Declare.
9277         * flags.h (flag_permissive): Declare. Update description.
9278         * diagnostic.c (pedwarn): Update.
9279         (permerror): New.
9280         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
9281         (permissive_error_kind): New.
9282         * toplev.c (flag_permissive): Define. Update description.
9283         * toplev.h (permissive_error_kind): Declare.
9284         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
9285         (pedwarn_c90): Use pedantic_warning_kind.
9286         * c-opts.c (c_common_post_options): flag_permissive does not affect
9287         flag_pedantic_errors.
9288
9289 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
9290
9291         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
9292         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
9293         __absvsi2, __absvDI2): Use unsigned arithmetic.
9294
9295 2008-03-02  Andi Kleen  <ak@suse.de>
9296             Richard Guenther  <rguenther@suse.de>
9297
9298         * struct-equiv.c: Remove file.
9299         * cfg_cleanup.c (condjump_equiv_p): Remove.
9300         * Makefile.in (OBJS-common): Remove struct-equiv.o.
9301         (struct-equiv.o): Remove rule.
9302         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
9303         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
9304         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
9305
9306 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
9307
9308         * ifcvt.c (noce_process_if_block): Try to handle only the then
9309         block if the else block exists but isn't suitable.
9310
9311 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
9312
9313         PR gcc/35063
9314         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
9315         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
9316         regression from previous patch.
9317
9318 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
9319
9320         PR gcc/35063
9321         * gthr.h: Add __gthread_mutex_destroy as a function that must be
9322         implemented.
9323         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
9324         * gthr-single.h (__gthread_mutex_destroy): Likewise.
9325         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
9326         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
9327         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
9328         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
9329         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
9330         (__gthread_mutex_destroy_function): Rename to
9331         __gthread_mutex_destroy.
9332         * gthr-dce.h (__gthread_mutex_destroy): Call
9333         pthread_mutex_destroy.
9334         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
9335         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
9336         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
9337
9338 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
9339
9340         * df-scan.c (df_ref_chain_change_bb): Simplify.
9341         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
9342         set_block_for_insn if there's any change.
9343         * df.h ((df_insn_change_bb): Fix prototype.
9344         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
9345         df_insn_change_bb, don't call set_block_for_insn.
9346         * emit-rtl.c (reorder_insns): Likewise.
9347         * haifa-sched.c (move_insn): Likewise.
9348
9349 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
9350
9351         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
9352
9353 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
9354
9355         * tree-flow-inline.h (next_readonly_imm_use): Return
9356         NULL_USE_OPERAND_P after the end.
9357
9358 2008-03-01  Richard Guenther  <rguenther@suse.de>
9359
9360         PR tree-optimization/35411
9361         * tree-sra.c (sra_build_assignment): Split conversion to
9362         final type to a separate statement if we are not assigning
9363         to a register.
9364
9365 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
9366
9367         * fold-const.c (fold_convertible_p): Correct the logic to follow
9368         that in fold_convert().
9369
9370 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
9371
9372         PR c++/35315
9373         * tree-inline.c (build_duplicate_type): When we make a
9374         duplicate type, make it unique in the canonical types system.
9375
9376 2008-02-29  Tom Tromey  <tromey@redhat.com>
9377
9378         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
9379         input_file_stack_history, input_file_stack_restored): Remove.
9380         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
9381         * input.h (struct file_stack): Remove.
9382         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
9383         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
9384         Likewise.
9385         * diagnostic.h (struct diagnostic_context) <last_module>: Change
9386         type.
9387         (diagnostic_last_module_changed): Add 'map' argument.
9388         (diagnostic_set_last_function): Likewise.
9389         * diagnostic.c (undiagnostic_report_current_module): Iterate using
9390         line map, not input_file_stack.
9391         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
9392
9393 2008-02-29  Paul Brook  <paul@codesourcery.com>
9394
9395         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
9396
9397 2008-02-29  Paul Brook  <paul@codesourcery.com>
9398
9399         * config/arm/ieee754-df.S (muldf3): Use RET macros.
9400
9401 2008-02-29  Richard Guenther  <rguenther@suse.de>
9402
9403         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
9404         vn_lookup_or_add.
9405         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
9406         value for comparing for a store match.
9407         (simplify_unary_expression): Do nothing for SSA_NAMEs.
9408         (try_to_simplify): Do not do a full-blown reference lookup.
9409
9410 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
9411
9412         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
9413         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
9414
9415         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
9416
9417 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
9418
9419         * tree-loop-linear.c (try_interchange_loops): Compare memory access
9420         strides against cache sizes.
9421
9422 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
9423
9424         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
9425         constant to fpul.
9426
9427 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
9428
9429         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
9430         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
9431         is smaller than the original promoted value.
9432         (simplify_subreg): If OP is a SUBREG, try to preserve its
9433         SUBREG_PROMOTED_VAR_P information.
9434
9435 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
9436
9437         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
9438         (VN_INFO_GET): Allocate new objects on the obstack.
9439         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
9440         for rpo_numbers_temp, for consistency.
9441         (free_scc_vn): Free the obstack.
9442
9443 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
9444
9445         * doc/invoke.texi: Document -ftree-loop-distribution.
9446         * tree-loop-distribution.c: New.
9447         * tree-pass.h (pass_loop_distribution): New.
9448         * graphds.h (struct graph): Add htab_t indices.
9449         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
9450         * tree-vectorizer.c (rename_variables_in_loop): Extern.
9451         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
9452         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
9453         * tree-data-ref.c (debug_data_dependence_relations): New.
9454         (dump_data_dependence_relation): Also print data references.
9455         (free_data_ref): Extern.
9456         (same_access_functions): Moved...
9457         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
9458         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
9459         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
9460         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
9461         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
9462         (stmts_from_loop): Skip LABEL_EXPR.
9463         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
9464         New.
9465         (build_rdg): Initialize rdg->indices htab.
9466         (free_rdg, stores_from_loop, ref_base_address,
9467         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
9468         have_similar_memory_accesses_1, ref_base_address_1,
9469         remove_similar_memory_refs): New.
9470         * tree-data-ref.h: Depend on tree-chrec.h.
9471         (debug_data_dependence_relations, free_data_ref): Declared.
9472         (same_access_functions): ... here.
9473         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
9474         New.
9475         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
9476         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
9477         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
9478         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
9479         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
9480         rdg_vertex_for_stmt): Declared.
9481         (struct rdg_edge): Add level.
9482         (RDGE_LEVEL): New.
9483         (free_rdg, stores_from_loop, remove_similar_memory_refs,
9484         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
9485         Declared.
9486         (rdg_has_similar_memory_accesses): New.
9487         * tree-vect-analyze.c: Remove unused static decls.
9488         * lambda.h (dependence_level): New.
9489         * common.opt (ftree-loop-distribution): New.
9490         * tree-flow.h (mark_virtual_ops_in_bb, 
9491         slpeel_tree_duplicate_loop_to_edge_cfg,
9492         rename_variables_in_loop): Declared.
9493         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
9494         (OBJS-common): Add tree-loop-distribution.o.
9495         (tree-loop-distribution.o): New rule.
9496         * tree-cfg.c (mark_virtual_ops_in_bb): New.
9497         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
9498         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
9499
9500 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
9501
9502         PR target/33963
9503         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
9504         other than structures and unions.
9505
9506 2008-02-28  Richard Guenther  <rguenther@suse.de>
9507
9508         Revert:
9509         2008-02-26  Richard Guenther  <rguenther@suse.de>
9510
9511         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
9512         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
9513         (lookup_decl_from_uid): Declare.
9514         (remove_decl_from_map): Likewise.
9515         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
9516         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
9517         (decl_for_uid_map): New global hashtable mapping DECL_UID
9518         to the decl tree.
9519         (init_ttree): Allocate it.
9520         (insert_decl_to_uid_decl_map): New helper function.
9521         (make_node_stat): Insert new decls into the map.
9522         (copy_node_stat): Likewise.
9523         (lookup_decl_from_uid): New function.
9524         (remove_decl_from_map): Likewise.
9525         (print_decl_for_uid_map_statistics): New helper.
9526         (dump_tree_statistics): Call it.
9527
9528         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
9529         (referenced_var_iterator): Adjust.
9530         (FOR_EACH_REFERENCED_VAR): Adjust.
9531         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
9532         (num_referenced_vars): Adjust.
9533         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
9534         (first_referenced_var): Remove.
9535         (end_referenced_vars_p): Likewise.
9536         (next_referenced_var): Likewise.
9537         (referenced_var_iterator_set): New helper function.
9538         * tree-dfa.c (referenced_var_lookup): Adjust.
9539         (referenced_var_check_and_insert): Likewise.
9540         (remove_referenced_var): Likewise.
9541         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
9542         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
9543         (verify_call_clobbering): Likewise.
9544         (verify_memory_partitions): Likewise.
9545         (init_tree_ssa): Allocate bitmap instead of hashtable for
9546         referenced_vars.
9547         (delete_tree_ssa): Adjust.
9548         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
9549         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
9550         (compute_tag_properties): Likewise.
9551         (set_initial_properties): Likewise.
9552         (find_partition_for): Likewise.
9553         (update_reference_counts): Likewise.
9554         (dump_may_aliases_for): Likewise.
9555         * tree-ssa-operands.c (add_virtual_operand): Likewise.
9556         (add_call_clobber_ops): Likewise.
9557         (add_call_read_ops): Likewise.
9558         (get_asm_expr_operands): Likewise.
9559         * tree-into-ssa.c (dump_decl_set): Likewise.
9560         (update_ssa): Likewise.
9561         * tree-sra.c (scan_function): Likewise.
9562         (decide_instantiations): Likewise.
9563         (scalarize_parms): Likewise.
9564         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
9565         (dsa_named_for): Likewise.
9566         * tree-ssa-structalias.c (update_alias_info): Likewise.
9567         (merge_smts_into): Likewise.
9568
9569 2008-02-27  David Daney  <ddaney@avtrex.com>
9570
9571         PR target/34409
9572         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
9573         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
9574         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
9575         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
9576         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
9577
9578 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
9579
9580         PR target/25477
9581         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
9582         (BUILT_IN_NEXTTOWARD): Remove.
9583         (BUILT_IN_NEXTTOWARDF): Ditto.
9584         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
9585         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
9586
9587 2008-02-27  Tom Tromey  <tromey@redhat.com>
9588
9589         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
9590         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
9591
9592 2008-02-27  Jan Beulich  <jbeulich@novell.com>
9593
9594         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
9595         update the respective field on newdecl.
9596
9597 2008-02-27  Revital Eres  <eres@il.ibm.com>
9598
9599         PR rtl-optimization/34999
9600         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
9601         crossing edges that ends with a call insn.
9602         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
9603         call insn and clear the EDGE_CROSSING flag of the crossing edge
9604         when fixing fallthru edges.
9605
9606 2008-02-27  Richard Guenther  <rguenther@suse.de>
9607
9608         PR middle-end/35390
9609         * fold-const.c (fold_unary): Return the correct argument,
9610         converted to the result type.
9611
9612 2008-02-27  Richard Guenther  <rguenther@suse.de>
9613
9614         PR middle-end/34971
9615         * expr.c (expand_expr_real_1): Assert on rotates that operate
9616         on partial modes.
9617         * fold-const.c (fold_binary): Use the types precision, not the
9618         bitsize of the mode if folding rotate expressions.  Build rotates
9619         only for full modes.
9620
9621 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
9622
9623         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
9624         and CPP_PRAGMA_EOL.
9625         * c-pragma.c (pragma_ns_name): New typedef.
9626         (registered_pp_pragmas): New variable.
9627         (c_pp_lookup_pragma): New function.
9628         (c_register_pragma_1): If flag_preprocess_only, do nothing
9629         for non-expanded pragmas, for expanded ones push pragma's
9630         namespace and name into registered_pp_pragmas vector.
9631         (c_invoke_pragma_handler): Register OpenMP pragmas even when
9632         flag_preprocess_only, don't register GCC pch_preprocess
9633         pragma if flag_preprocess_only.
9634         * c-opts.c (c_common_init): Call init_pragma even if
9635         flag_preprocess_only.
9636         * c-pragma.c (c_pp_lookup_pragma): New prototype.
9637         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
9638         cpp_register_pragma if flag_preprocess_only.
9639
9640 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9641
9642         PR c/28800
9643         * c-parser.c (c_parser_translation_unit): Warn for empty
9644         translation unit, not empty source file.
9645
9646 2008-02-26  Paul Brook  <paul@codesourcery.com>
9647
9648         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
9649         operand for Thumb-2.
9650         * config/arm/arm.h (reg_class): Add CORE_REGS.
9651         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
9652         (BASE_REG_CLASS): Use CORE_REGS.
9653         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
9654         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
9655         (REGNO_OK_FOR_INDEX_P): Exclude SP.
9656         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
9657         ARM_REGNO_OK_FOR_INDEX_P.
9658         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
9659         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
9660         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
9661         (ldm/stm peepholes): Ditto.
9662         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
9663         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
9664         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
9665         * config/arm/constraints.md: Enable "k" constraint on ARM.
9666
9667 2008-02-27  Ben Elliston  <bje@au.ibm.com>
9668
9669         * config/rs6000/rs6000.c: Annotate cache line size field in all
9670         instances of struct processor_costs.
9671
9672 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
9673
9674         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
9675         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
9676         jump_bypass): New counters.
9677         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
9678         * dce.c (gate_ud_dce): Same.
9679         (gate_fast_dce): Same.
9680         * dse.c (gate_dse1): New function.
9681         (gate_dse2): New function.
9682         (gate_dse): Merge results of new gate functions.
9683         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
9684         (gate_handle_jump_bypass): Add dbg_cnt.
9685         (gate_handle_gcse): Add dbg_cnt.
9686         * ifcvt.c (gate_handle_if_conversion): Same.
9687         (gate_handle_if_after_combine): Same.
9688         (gate_handle_if_after_reload): Same.
9689         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
9690
9691 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
9692
9693         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
9694         line sizes.
9695         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
9696
9697 2008-02-26  Jason Merrill  <jason@redhat.com>
9698
9699         PR c++/35315
9700         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
9701         alone if it's the naming decl for the type's main variant.
9702
9703 2008-02-26  Tom Tromey  <tromey@redhat.com>
9704
9705         * system.h (USE_MAPPED_LOCATION): Poison.
9706         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
9707         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
9708         (make_goto_expr_edges): Likewise.
9709         (remove_bb): Likewise.
9710         (execute_warn_function_return): Likewise.
9711         * basic-block.h (struct edge_def) <goto_locus>: Change type to
9712         location_t.
9713         * c-common.c (fname_decl): Remove old location code.
9714         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
9715         location code.
9716         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
9717         variant.
9718         (ASM_INPUT_SOURCE_LOCATION): Likewise.
9719         (gen_rtx_ASM_INPUT): Likewise.
9720         (gen_rtx_ASM_INPUT_loc): Likewise.
9721         (get_rtx_asm_OPERANDS): Remove.
9722         * cfglayout.c (insn_locators_alloc): Remove old location code.
9723         (set_curr_insn_source_location): Likewise.
9724         (curr_insn_locator): Likewise.
9725         * print-tree.c (print_node): Remove old location code.
9726         * tree-mudflap.c (mf_varname_tree): Remove old location code.
9727         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
9728         * cfgexpand.c (expand_gimple_cond_expr): Don't use
9729         location_from_locus.
9730         (construct_exit_block): Remove old location code.
9731         * emit-rtl.c (force_next_line_note): Remove old location code.
9732         * profile.c (branch_prob): Remove old location code.
9733         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
9734         LOC_LINE): Remove old-location variants.
9735         * langhooks.c (lhd_print_error_function): Remove old location
9736         code.
9737         * configure, config.in: Rebuilt.
9738         * configure.ac (--enable-mapped-location): Remove.
9739         * c-decl.c (c_init_decl_processing): Remove old location code.
9740         (finish_function): Likewise.
9741         * recog.c (decode_asm_operands): Remove old location code.
9742         * c-pch.c (c_common_read_pch): Remove old location code.
9743         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
9744         variants.
9745         * gimple-low.c (lower_function_body): Remove old location code.
9746         * toplev.c (unknown_location): Remove.
9747         (push_srcloc): Remove old-location variant.
9748         (process_options): Remove old location code.
9749         (lang_dependent_init): Likewise.
9750         * input.h (UNKNOWN_LOCATION): Move definition.
9751         (location_t): Undeprecate.
9752         (source_locus): Remove.
9753         (location_from_locus): Remove.
9754         (struct location_s): Remove.
9755         Remove all old-location code.
9756         (input_line, input_filename): Remove.
9757         * final.c (final_scan_insn): Remove old location code.
9758         * diagnostic.c (diagnostic_build_prefix): Remove
9759         USE_MAPPED_LOCATION test.
9760         * tree.h (gimple_stmt) <locus>: Now a location_t.
9761         (tree_exp) <locus>: Likewise.
9762         (DECL_IS_BUILTIN): Remove old-location variant.
9763         (annotate_with_file_line, annotate_with_locus): Likewise.
9764         (expr_locus, set_expr_locus): Update.
9765         * tree.c (build1_stat): Remove old location code.
9766         (last_annotated_node): Remove.
9767         (annotate_with_file_line): Remove old-location variant.
9768         (annotate_with_locus): Likewise.
9769         (expr_location): Remove old location code.
9770         (set_expr_location): Likewise.
9771         (expr_has_location): Likewise.
9772         (expr_locus): Likewise.
9773         (set_expr_locus): Likewise.
9774         (expr_filename): Don't use location_from_locus.
9775         (expr_lineno): Likewise.
9776         * rtl-error.c (location_for_asm): Remove old location code.
9777         * c-lex.c (cb_line_change): Remove old location code.
9778         (fe_file_change): Likewise.
9779         (cb_def_pragma): Likewise.
9780         (c_lex_with_flags): Likewise.
9781         * gengtype.c (do_typedef): Don't special-case location types.
9782         (define_location_structures): Remove.
9783         (main): Don't call define_location_structures.
9784         * tree-pretty-print.c (dump_implicit_edges): Remove old location
9785         code.
9786
9787 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9788
9789         PR 26264
9790         * builtins.def (BUILT_IN_STDARG_START): Remove.
9791         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
9792         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
9793         * tree-inline.c (inline_forbidden_p_1): Likewise.
9794         
9795 2008-02-26  Richard Guenther  <rguenther@suse.de>
9796
9797         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
9798         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
9799         (lookup_decl_from_uid): Declare.
9800         (remove_decl_from_map): Likewise.
9801         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
9802         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
9803         (decl_for_uid_map): New global hashtable mapping DECL_UID
9804         to the decl tree.
9805         (init_ttree): Allocate it.
9806         (insert_decl_to_uid_decl_map): New helper function.
9807         (make_node_stat): Insert new decls into the map.
9808         (copy_node_stat): Likewise.
9809         (lookup_decl_from_uid): New function.
9810         (remove_decl_from_map): Likewise.
9811         (print_decl_for_uid_map_statistics): New helper.
9812         (dump_tree_statistics): Call it.
9813
9814         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
9815         (referenced_var_iterator): Adjust.
9816         (FOR_EACH_REFERENCED_VAR): Adjust.
9817         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
9818         (num_referenced_vars): Adjust.
9819         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
9820         (first_referenced_var): Remove.
9821         (end_referenced_vars_p): Likewise.
9822         (next_referenced_var): Likewise.
9823         (referenced_var_iterator_set): New helper function.
9824         * tree-dfa.c (referenced_var_lookup): Adjust.
9825         (referenced_var_check_and_insert): Likewise.
9826         (remove_referenced_var): Likewise.
9827         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
9828         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
9829         (verify_call_clobbering): Likewise.
9830         (verify_memory_partitions): Likewise.
9831         (init_tree_ssa): Allocate bitmap instead of hashtable for
9832         referenced_vars.
9833         (delete_tree_ssa): Adjust.
9834         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
9835         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
9836         (compute_tag_properties): Likewise.
9837         (set_initial_properties): Likewise.
9838         (find_partition_for): Likewise.
9839         (update_reference_counts): Likewise.
9840         (dump_may_aliases_for): Likewise.
9841         * tree-ssa-operands.c (add_virtual_operand): Likewise.
9842         (add_call_clobber_ops): Likewise.
9843         (add_call_read_ops): Likewise.
9844         (get_asm_expr_operands): Likewise.
9845         * tree-into-ssa.c (dump_decl_set): Likewise.
9846         (update_ssa): Likewise.
9847         * tree-sra.c (scan_function): Likewise.
9848         (decide_instantiations): Likewise.
9849         (scalarize_parms): Likewise.
9850         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
9851         (dsa_named_for): Likewise.
9852         * tree-ssa-structalias.c (update_alias_info): Likewise.
9853         (merge_smts_into): Likewise.
9854
9855 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9856
9857         PR 34351
9858         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
9859         * c-opts.c (c_common_handle_option): Wall enables
9860         Wvolatile-register-var.
9861         * common.opt: Move Wvolatile-register-var to...
9862         * c.opt: ...here.
9863         
9864 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9865
9866         * common.opt (Wlarger-than=): New.
9867         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
9868         -Wlarger-than=.
9869         * opts.c (common_handle_option): Handle -Wlarger-than=.
9870         * optc-gen.awk: Likewise.
9871         * opth-gen.awk: Likewise.
9872         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
9873         * tree-optimize.c (tree_rest_of_compilation): Likewise.
9874         
9875 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
9876
9877         * c-common.c (match_case_to_enum_1): Add appropriate
9878         OPT_W* parameter to warning.
9879         (c_do_switch_warnings): Likewise.
9880         * c-typeck.c (warning_init): Add one more parameter following
9881         'warning' function.
9882         (push_init_level): Update call to warning_init.
9883         (pop_init_level): Likewise.
9884         (add_pending_init): Likewise.
9885         (output_init_element: Likewise.
9886
9887 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9888
9889         PR 28322
9890         * toplev.c (toplev_main): If there are warnings or error, print
9891         errors for ignored options.
9892         * opts.c (ignored_options): New static variable.
9893         (postpone_unknown_option_error): New.
9894         (print_ignored_options): New.
9895         (handle_option): Postpone errors for unknown -Wno-* options.
9896         * opts.h (print_ignored_options): Declare.
9897         
9898 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
9899
9900         * config/mips/mips.md (loadgp_blockage, blockage): Change type
9901         to "ghost".
9902
9903 2008-02-25  Richard Guenther  <rguenther@suse.de>
9904
9905         Revert:
9906         2008-02-25  Richard Guenther  <rguenther@suse.de>
9907
9908         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
9909         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
9910         (lookup_decl_from_uid): Declare.
9911         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
9912         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
9913         (decl_for_uid_map): New global hashtable mapping DECL_UID
9914         to the decl tree.
9915         (init_ttree): Allocate it.
9916         (insert_decl_to_uid_decl_map): New helper function.
9917         (make_node_stat): Insert new decls into the map.
9918         (copy_node_stat): Likewise.
9919         (lookup_decl_from_uid): New function.
9920         (print_decl_for_uid_map_statistics): New helper.
9921         (dump_tree_statistics): Call it.
9922
9923         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
9924         (referenced_var_iterator): Adjust.
9925         (FOR_EACH_REFERENCED_VAR): Adjust.
9926         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
9927         (num_referenced_vars): Adjust.
9928         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
9929         (first_referenced_var): Remove.
9930         (end_referenced_vars_p): Likewise.
9931         (next_referenced_var): Likewise.
9932         (referenced_var_iterator_set): New helper function.
9933         * tree-dfa.c (referenced_var_lookup): Adjust.
9934         (referenced_var_check_and_insert): Likewise.
9935         (remove_referenced_var): Likewise.
9936         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
9937         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
9938         (verify_call_clobbering): Likewise.
9939         (verify_memory_partitions): Likewise.
9940         (init_tree_ssa): Allocate bitmap instead of hashtable for
9941         referenced_vars.
9942         (delete_tree_ssa): Adjust.
9943         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
9944         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
9945         (compute_tag_properties): Likewise.
9946         (set_initial_properties): Likewise.
9947         (find_partition_for): Likewise.
9948         (update_reference_counts): Likewise.
9949         (dump_may_aliases_for): Likewise.
9950         * tree-ssa-operands.c (add_virtual_operand): Likewise.
9951         (add_call_clobber_ops): Likewise.
9952         (add_call_read_ops): Likewise.
9953         (get_asm_expr_operands): Likewise.
9954         * tree-into-ssa.c (dump_decl_set): Likewise.
9955         (update_ssa): Likewise.
9956         * tree-sra.c (scan_function): Likewise.
9957         (decide_instantiations): Likewise.
9958         (scalarize_parms): Likewise.
9959         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
9960         (dsa_named_for): Likewise.
9961         * tree-ssa-structalias.c (update_alias_info): Likewise.
9962         (merge_smts_into): Likewise.
9963
9964 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
9965
9966         PR fortran/29549
9967         * doc/invoke.texi (-fcx-limited-range): Document new option.
9968         * toplev.c (process_options): Handle -fcx-fortran-rules.
9969         * common.opt: Add documentation for -fcx-fortran-rules.
9970
9971 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
9972
9973         PR c/35162
9974         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
9975         actual behaviour and C99.
9976         
9977 2008-02-26  Ben Elliston  <bje@au.ibm.com>
9978
9979         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
9980         (ASM_CPU_POWER6_SPEC): Likewise.
9981         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
9982         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
9983         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
9984
9985 2008-02-25  Richard Guenther  <rguenther@suse.de>
9986
9987         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
9988         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
9989         (lookup_decl_from_uid): Declare.
9990         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
9991         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
9992         (decl_for_uid_map): New global hashtable mapping DECL_UID
9993         to the decl tree.
9994         (init_ttree): Allocate it.
9995         (insert_decl_to_uid_decl_map): New helper function.
9996         (make_node_stat): Insert new decls into the map.
9997         (copy_node_stat): Likewise.
9998         (lookup_decl_from_uid): New function.
9999         (print_decl_for_uid_map_statistics): New helper.
10000         (dump_tree_statistics): Call it.
10001
10002         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
10003         (referenced_var_iterator): Adjust.
10004         (FOR_EACH_REFERENCED_VAR): Adjust.
10005         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
10006         (num_referenced_vars): Adjust.
10007         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
10008         (first_referenced_var): Remove.
10009         (end_referenced_vars_p): Likewise.
10010         (next_referenced_var): Likewise.
10011         (referenced_var_iterator_set): New helper function.
10012         * tree-dfa.c (referenced_var_lookup): Adjust.
10013         (referenced_var_check_and_insert): Likewise.
10014         (remove_referenced_var): Likewise.
10015         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
10016         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
10017         (verify_call_clobbering): Likewise.
10018         (verify_memory_partitions): Likewise.
10019         (init_tree_ssa): Allocate bitmap instead of hashtable for
10020         referenced_vars.
10021         (delete_tree_ssa): Adjust.
10022         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
10023         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
10024         (compute_tag_properties): Likewise.
10025         (set_initial_properties): Likewise.
10026         (find_partition_for): Likewise.
10027         (update_reference_counts): Likewise.
10028         (dump_may_aliases_for): Likewise.
10029         * tree-ssa-operands.c (add_virtual_operand): Likewise.
10030         (add_call_clobber_ops): Likewise.
10031         (add_call_read_ops): Likewise.
10032         (get_asm_expr_operands): Likewise.
10033         * tree-into-ssa.c (dump_decl_set): Likewise.
10034         (update_ssa): Likewise.
10035         * tree-sra.c (scan_function): Likewise.
10036         (decide_instantiations): Likewise.
10037         (scalarize_parms): Likewise.
10038         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
10039         (dsa_named_for): Likewise.
10040         * tree-ssa-structalias.c (update_alias_info): Likewise.
10041         (merge_smts_into): Likewise.
10042
10043 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
10044
10045         PR target/35258
10046         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
10047         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
10048         * alias.h (nonoverlapping_memrefs_p): Likewise.
10049
10050 2008-02-25  Jan Beulich  <jbeulich@novell.com>
10051
10052         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
10053         * config/i386/netware-libgcc.exp: Add __bswap?i2,
10054         __emultls_get_address, __emultls_register_common,
10055         __floatundi?f, and _Unwind_GetIPInfo.
10056         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
10057         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
10058         (gen_regparm_prefix): Likewise.
10059         (i386_nlm_encode_section_info): Sync with
10060         config/i386/winnt.c:i386_pe_encode_section_info().
10061         (i386_nlm_maybe_mangle_decl_assembler_name): New.
10062         i386_nlm_mangle_decl_assembler_name): New.
10063         (netware_override_options): New.
10064         * config/i386/netware.h (netware_override_options): Declare.
10065         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
10066         (i386_nlm_mangle_decl_assembler_name): Declare.
10067         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
10068
10069 2008-02-25  Ben Elliston  <bje@au.ibm.com>
10070
10071         PR other/32948
10072         * c-decl.c (grokdeclarator): Remove unused local variables
10073         `typedef_type' and `type_as_written'.
10074         * bb-reorder.c
10075         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
10076         unused local variable `has_hot_blocks'.
10077         (fix_crossing_conditional_branches): Remove unused local variable
10078         `prev_bb'.
10079         
10080 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
10081
10082         PR middle-end/19984
10083         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
10084         using DEF_C99_BUILTIN.
10085         (BUILT_IN_NANF): Ditto.
10086         (BUILT_IN_NANL): Ditto.
10087
10088 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
10089             Revital Eres  <eres@il.ibm.com>
10090
10091         * modulo-sched.c (calculate_must_precede_follow): Address TODO
10092         regarding the order of two dependent insns in the same row.
10093
10094 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
10095
10096         * stor-layout.c (layout_decl): Do not bump the alignment of a
10097         bit-field to more than byte alignment if it is packed.
10098
10099 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
10100
10101         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
10102         e300c2 and e300c3.
10103
10104 2008-02-24  Diego Novillo  <dnovillo@google.com>
10105
10106         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
10107
10108         PR 33738
10109         * tree-vrp.c (vrp_evaluate_conditional): With
10110         -Wtype-limits, emit a warning when comparing against a
10111         constant outside the natural range of OP0's type.
10112         * c.opt (Wtype-limits): Move ...
10113         * common.opt (Wtype-limits): ... here.
10114
10115 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
10116
10117         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
10118         * config/rs6000/e300c2c3.md: New file.
10119         * config/rs6000/rs6000.c (processor_costs): Add new costs for
10120         e300c2 and e300c3.
10121         (rs6000_override_options): Add e300c2 and e300c3 cases to
10122         processor_target_table. Do not allow usage of Altivec or Spe
10123         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
10124         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
10125         * config/rs6000/rs6000.h (processor_type): Add
10126         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
10127         (ASM_CPU_SPEC): Add e300c2 and e300c3.
10128         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
10129         and ppce300c3. Include e300c2c3.md.
10130
10131 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
10132
10133         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
10134         instead of TARGET_STRICT_ALIGN.
10135
10136 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
10137
10138         * explow.c (memory_address): Assert that the generated address is
10139         valid.
10140
10141 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
10142
10143         PR target/25477
10144         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
10145         * config/darwin-ppc-ldouble-patch.def: New file.
10146         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
10147         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
10148         SUBTARGET_INIT_BUILTINS if defined.
10149         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
10150         New functions.
10151
10152 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10153
10154         PR rtl-opt/33512
10155         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
10156         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
10157
10158 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10159
10160         PR pch/35027
10161         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
10162         file" warning condtional on -Winvalid-PCH.
10163
10164 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
10165
10166         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
10167
10168 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
10169
10170         PR target/22076
10171         PR target/34256 
10172         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
10173         prevent reload from using MMX registers.
10174         (*mov<mode>_internal): Ditto.
10175         (*movv2sf_internal_rex64): Ditto.
10176         (*movv2sf_internal): Ditto.
10177
10178 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10179
10180         PR documentation/31569
10181         * doc/install.texi2html: Use makeinfo --no-number-sections.
10182
10183 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
10184
10185         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
10186         ensure that we can address an entire entity > 8 bytes.  Don't
10187         generate reg+reg addressing for such data.
10188
10189 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
10190
10191         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
10192         strings when optimizing for size, unless the target cares about
10193         alignment.
10194
10195 2008-02-22  Tom Tromey  <tromey@redhat.com>
10196
10197         * regclass.c (current_pass): Remove declaration.
10198
10199 2008-02-22  Anatoly Sokolov <aesok@post.ru>
10200
10201         * config/avr/libgcc.S (__RAMPZ__): Define.
10202         (__do_copy_data): Add for devices with 128KB code memory.
10203
10204 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
10205
10206         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
10207         Use spe_abi.
10208         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
10209
10210 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
10211
10212         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
10213         GENNONACR_REGS.
10214
10215 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10216
10217         PR c/19999
10218         * c-typeck.c (build_binary_op): Warn about floating point
10219         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
10220
10221 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
10222
10223         PR target/34526
10224         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
10225         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
10226         add vrsave.
10227         (rs6000_override_options): Set altivec_abi as default, not override,
10228         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
10229         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
10230         is used; use new member spe_abi.
10231         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
10232         spe_abi and altivec_abi.
10233
10234 2008-02-22  Tomas Bily  <tbily@suse.cz>
10235
10236         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
10237
10238 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10239
10240         PR bootstrap/35273
10241         * config.build (build_file_translate): Set to `CMD //c' only if
10242         it works.
10243         * Makefile.in (build_file_translate): Improve comment.
10244
10245 2008-02-21  Jan Hubicka  <jh@suse.cz>
10246
10247         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
10248         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
10249         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
10250
10251 2008-02-21  Michael Matz  <matz@suse.de>
10252
10253         PR target/35264
10254         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
10255
10256 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
10257
10258         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
10259         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
10260         as insn constraint.
10261         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
10262         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
10263         SSE_VEC_FLOAT_MODE_P as insn constraint.
10264         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
10265         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
10266         sse4a_movntdf using MODEF mode iterator.
10267         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
10268         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
10269         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
10270         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
10271         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
10272         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
10273         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
10274
10275 2008-02-21  Richard Guenther  <rguenther@suse.de>
10276
10277         * tree.def (PAREN_EXPR): New tree code.
10278         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
10279         and PAREN_EXPR.
10280         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
10281         * expr.c (expand_expr_real_1): Likewise.
10282         * tree-inline.c (estimate_num_insns_1): Likewise.
10283         * tree-complex.c (expand_complex_move): Likewise.
10284         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
10285         as plain x.
10286
10287 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
10288
10289         PR target/35225
10290         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
10291
10292 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
10293
10294         PR target/35190
10295         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
10296
10297         * config/sh/sh.c (find_barrier): Don't go past
10298         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
10299
10300 2008-02-20  DJ Delorie  <dj@redhat.com>
10301
10302         * config/h8300/h8300.md (insv): Force source operand to be a register.
10303
10304         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
10305         as a jump, not as a plain insn.
10306         
10307 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
10308
10309         * doc/invoke.texi (Warning Options): Add new option
10310         -Wframe-larger-than=.
10311         (-Wframe-larger-than): Document.
10312
10313         * flags.h (warn_frame_larger_than, frame_larger_than_size):
10314         Add declarations for new option variables.
10315
10316         * final.c (final_start_function): Check the frame size
10317         before emission and issue a Wframe-larger-than warning.
10318
10319         * opts.c (warn_frame_larger_than, frame_larger_than_size):
10320         Add definitions for new option variables.
10321         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
10322
10323         * common.opt (Wframe-larger-than=): New option.
10324
10325 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
10326
10327         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
10328         (<sse>_div<mode>3): Ditto.
10329         (<sse>_vmdiv<mode>3): Ditto.
10330         (<sse>_vmsqrt<mode>2): Ditto.
10331         (*smax<mode>3): Ditto.
10332         (sse5_frcz<mode>2): Ditto.
10333         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
10334         as insn constraint.
10335
10336 2008-02-20  Richard Guenther  <rguenther@suse.de>
10337
10338         PR middle-end/35265
10339         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
10340         be happy with INTEGRAL_TYPE_P.
10341
10342 2008-02-20  Richard Guenther  <rguenther@suse.de>
10343
10344         * fold-const.c (split_tree): Associate floatig-point expressions
10345         if flag_associative_math is set.
10346
10347 2008-02-20  Richard Guenther  <rguenther@suse.de>
10348
10349         * tree.h (fold_real_zero_addition_p): Declare.
10350         * fold-const.c (fold_real_zero_addition_p): Export.
10351         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
10352         floating-point operations with zero and one.
10353
10354 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
10355
10356         * doc/install.texi: Correct references to CFLAGS, replacing them
10357         with BOOT_CFLAGS.  Document flags used during bootstrap for
10358         target libraries.
10359                                 
10360 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
10361
10362         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
10363         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
10364         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
10365         insn constraint.
10366         (smin<mode>3): Ditto from similar patterns.
10367         (smax<mode>3): Ditto.
10368         (*ieee_smin<mode>3): Ditto.
10369         (*ieee_smax<mode>3): Ditto.
10370         * config/i386/sse.md (sse): New mode attribute.
10371         (mov<mode>): Macroize expander from movv4sf and movv2df using
10372         SSEMODEF2P mode iterator.
10373         (<sse>_movnt<mode>): Ditto from similar patterns. Use
10374         SSE_VEC_FLOAT_MODE_P as insn constraint.
10375         (storent<mode>): Ditto.
10376         (storent<mode>): Macroize expander from storentsf and storentdf using
10377         MODEF mode iterator.
10378         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
10379         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
10380         (abs<mode>2): Ditto from similar patterns.
10381         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
10382         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
10383         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
10384         (<sse>_vmsqrt<mode>2): Ditto.
10385         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
10386         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
10387         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
10388         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
10389         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
10390         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
10391         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
10392         insn constraint.
10393         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
10394         iterator and SSE_FLOAT_MODE_P as insn constraint.
10395         (<sse>_ucomi): Ditto from similar patterns.
10396         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
10397         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
10398         SSE_VEC_FLOAT_MODE_P as insn constraint.
10399         (vcond<mode>): Ditto from similar patterns.
10400         (and<mode>3, *and<mode>3): Ditto.
10401         (<sse>_nand<mode>3): Ditto.
10402         (ior<mode>3, *ior<mode>3): Ditto.
10403         (xor<mode>3, *xor<mode>3): Ditto.
10404         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
10405         iterator and SSE_FLOAT_MODE_P as insn constraint.
10406         (*nand<mode>3): Ditto from similar patterns.
10407         (*ior<mode>3): Ditto.
10408         (*xor<mode>3): Ditto.
10409
10410 2008-02-20  Ira Rosen  <irar@il.ibm.com>
10411
10412         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
10413         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
10414         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
10415
10416 2008-02-19  Jan Hubicka  <jh@suse.cz>
10417
10418         * predict.c (tree_bb_level_predictions): Remove variable next
10419         mistakely introduced by previous commit.
10420
10421 2008-02-19  Jan Hubicka  <jh@suse.cz>
10422
10423         * predict.c (predict_paths_leading_to): Rewrite.
10424         (predict_paths_for_bb): New.
10425         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
10426
10427 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10428
10429         PR bootstrap/35218
10430         * Makefile.in (build_file_translate): New.
10431         (gcc-vers.texi): Use it for translating $(abs_srcdir).
10432         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
10433         * configure.ac (build_file_translate): Substitute it.
10434         * configure: Regenerate.
10435
10436 2008-02-19  Jan Hubicka  <jh@suse.cz>
10437
10438         PR rtl-optimization/34408
10439         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
10440         invalid sharing.
10441
10442 2008-02-19  Jan Hubicka  <jh@suse.cz>
10443
10444         PR middle-end/28779
10445         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
10446         call_expr.
10447
10448 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
10449
10450         PR Ada/35186
10451         * config/i386/i386-modes.def: Revert the last DI alignment
10452         change until Ada people can look into it.
10453
10454 2008-02-19  Nick Clifton  <nickc@redhat.com>
10455
10456         * opts.c (print_specific_help): Fix typo in --help text.
10457
10458 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
10459
10460         PR target/35239
10461         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
10462         32-bit inline asm without asm alternatives for host GCC < 3.0.
10463
10464 2008-02-19  Richard Guenther  <rguenther@suse.de>
10465
10466         PR tree-optimization/34989
10467         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
10468         Allow propagation to INDIRECT_REF if we can simplify only.
10469
10470 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10471
10472         * c-common.c (warn_for_collisions_1): Use appropriate option when
10473         warning.
10474
10475 2008-02-19  Nick Clifton  <nickc@redhat.com>
10476
10477         PR other/31349
10478         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
10479         (handle_options): Fix indentation.
10480         (print_filtered_help): If no language-specific options were
10481         displayed tell the user how to list all the options supported by
10482         the language's front-end.
10483         (print_specific_help): Fix indentation and remove duplicate line.
10484         (common_handle_option): Handle the -v option.
10485         For --help enable the display of undocumented options if the -v
10486         switch has been included on the command line.
10487         For --help= check for overlaps in the arguments between the option
10488         classes and the language names and issue a warning when they
10489         cannot be disambiguated.
10490         * c.opt (v): Pass on to the common option handler.
10491
10492 2008-02-19  Revital Eres  <eres@il.ibm.com> 
10493
10494         * modulo-sched.c (sms_schedule): Change dump message when
10495         create_ddg function fails.
10496         (try_scheduling_node_in_cycle): Rename row to cycle.
10497         (print_partial_schedule): Rename CYCLE to ROW.
10498
10499 2008-02-19  Christian Bruel  <christian.bruel@st.com>
10500             Zdenek Dvorak  <ook@ucw.cz>
10501
10502         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
10503
10504 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
10505
10506         PR target/33555
10507         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
10508         (*x86_movdicc_0_m1_se): Ditto.
10509
10510 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
10511
10512         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
10513         (CMPtype): Define as __gcc_CMPtype.
10514         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
10515         (CMPtype): Define as __gcc_CMPtype.
10516
10517 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
10518
10519         Support valgrind 3.3 for --enable-checking=valgrind.
10520         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
10521         here.
10522         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
10523         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
10524         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
10525         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
10526         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
10527         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
10528         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
10529         respectively.
10530         * ggc-zone.c: Similar.
10531         * ggc-page.c: Similar.
10532
10533 2008-02-19  Paul Brook  <paul@codesourcery.com>
10534
10535         PR target/35071
10536         * config/arm/ieee754-df.S: Fix do_it typo.
10537         * config/arm/ieee754-sf.S: Fix do_it typo.
10538
10539 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
10540
10541         PR target/35189
10542         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
10543         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
10544         (OPTION_MASK_ISA_SSE_SET): Likewise.
10545         (OPTION_MASK_ISA_SSE2_SET): Likewise.
10546         (OPTION_MASK_ISA_SSE3_SET): Likewise.
10547         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
10548         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
10549         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
10550         (OPTION_MASK_ISA_SSE4_SET): Likewise.
10551         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
10552         (OPTION_MASK_ISA_SSE5_SET): Likewise.
10553         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
10554         (OPTION_MASK_ISA_MMX_UNSET): Updated.
10555         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
10556         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
10557         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
10558         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
10559         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
10560         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
10561         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
10562         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
10563         (OPTION_MASK_ISA_SSE4): Removed.
10564         (ix86_handle_option): Turn on bits in ix86_isa_flags and
10565         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
10566         (override_options): Don't turn on implied SSE/MMX bits in
10567         ix86_isa_flags.
10568
10569 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
10570
10571         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
10572         32bit host.
10573
10574 2008-02-18  Joey Ye  <joey.ye@intel.com>
10575
10576         PR middle-end/34921
10577         * tree-nested.c (insert_field_into_struct): Set type alignment
10578         to field alignment if the former is less than the latter.
10579
10580 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
10581
10582         * BASE-VER: Set to 4.4.0.
10583
10584 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
10585
10586         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
10587         * doc/cfg.texi: Likewise.
10588         * doc/extend.texi: Likewise.
10589         * doc/gty.texi: Likewise.
10590         * doc/invoke.texi: Likewise.
10591         * doc/loop.texi: Likewise.
10592         * doc/md.texi: Likewise.
10593         * doc/passes.texi: Likewise.
10594         * doc/rtl.texi: Likewise.
10595         * doc/sourcebuild.texi: Likewise.
10596         * doc/tm.texi: Likewise.
10597         * doc/tree-ssa.texi: Likewise.
10598
10599 2008-02-17  Richard Guenther  <rguenther@suse.de>
10600
10601         PR middle-end/35227
10602         * tree-complex.c (init_parameter_lattice_values): Handle parameters
10603         without default definition.
10604
10605 2008-02-17  Richard Guenther  <rguenther@suse.de>
10606
10607         PR tree-optimization/35231
10608         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
10609         if A | B != 1.
10610
10611 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
10612
10613         Revert:
10614         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>    
10615         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
10616         libgcc_cmp_return mode.
10617
10618 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10619
10620         PR c/28368
10621         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
10622
10623 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
10624
10625         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
10626         multilibs.
10627
10628 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10629
10630         * doc/c-tree.texi: Use `@.' where appropriate.
10631         * doc/extend.texi: Likewise.
10632         * doc/install.texi: Likewise.
10633         * doc/invoke.texi: Likewise.
10634         * doc/loop.texi: Likewise.
10635         * doc/makefile.texi: Likewise.
10636         * doc/md.texi: Likewise.
10637         * doc/passes.texi: Likewise.
10638         * doc/standards.texi: Likewise.
10639         * doc/tm.texi: Likewise.
10640
10641 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
10642
10643         PR middle-end/35196
10644         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
10645         in entry_bb.
10646         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
10647         rather than in entry_bb.
10648
10649 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
10650
10651         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
10652         libgcc_cmp_return mode.
10653
10654 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
10655
10656         PR middle-end/35130
10657         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
10658         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
10659
10660 2008-02-15  Richard Guenther  <rguenther@suse.de>
10661             Zdenek Dvorak  <ook@ucw.cz>
10662
10663         PR tree-optimization/35164
10664         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
10665         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
10666         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
10667         Only propagate addresses which do not have abnormal SSA_NAMEs
10668         in their operands.
10669
10670 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
10671
10672         PR target/35088
10673         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
10674
10675 2008-02-15  Jan Hubicka  <jh@suse.cz>
10676
10677         PR middle-end/35149
10678         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
10679
10680 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
10681
10682         PR middle-end/34621
10683         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
10684         when calculating alignment_pad.
10685
10686 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
10687
10688         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
10689         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
10690         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
10691         and STACK_BOUNDARY define.
10692
10693 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
10694
10695         PR preprocessor/35061
10696         * c-pragma.c (handle_pragma_pop_macro): Check that
10697         pushed_macro_table has been allocated.
10698
10699 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
10700
10701         PR middle-end/35136
10702         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
10703         (force_gimple_operand): Likewise.
10704         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
10705         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
10706         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
10707         (find_interesting_uses_address): Check addressability and alignment
10708         of the base expression only after substituting bases of IVs into it.
10709
10710 2008-02-14  Michael Matz  <matz@suse.de>
10711
10712         PR target/34930
10713         * function.c (instantiate_virtual_regs_in_insn): Reload address
10714         before falling back to reloading the whole operand.
10715
10716 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
10717
10718         * config/s390/s390.c (s390_mainpool_start): Emit the pool
10719         before the first section switch note.
10720
10721 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
10722
10723         * doc/bugreport.texi: Update copyright years.
10724         * doc/c-tree.texi: Likewise.
10725         * doc/cfg.texi: Likewise.
10726         * doc/cpp.texi: Likewise.
10727         * doc/cppinternals.texi: Likewise.
10728         * doc/fragments.texi: Likewise.
10729         * doc/frontends.texi: Likewise.
10730         * doc/gcc.texi: Likewise.
10731         * doc/gty.texi: Likewise.
10732         * doc/hostconfig.texi: Likewise.
10733         * doc/implement-c.texi: Likewise.
10734         * doc/libgcc.texi: Likewise.
10735         * doc/loop.texi: Likewise.
10736         * doc/makefile.texi: Likewise.
10737         * doc/options.texi: Likewise.
10738         * doc/passes.texi: Likewise.
10739         * doc/rtl.texi: Likewise.
10740         * doc/sourcebuild.texi: Likewise.
10741         * doc/standards.texi: Likewise.
10742         * doc/tree-ssa.texi: Likewise.
10743         * doc/trouble.texi: Likewise.
10744
10745         * doc/extend.texi: Use @: or add comma where appropriate.
10746         * doc/invoke.texi: Likewise.
10747         * doc/tm.texi: Likewise.
10748
10749 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
10750
10751         PR target/34393
10752         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
10753         to a reg.
10754
10755 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
10756
10757         * doc/md.texi (clz, ctz): Add reference.
10758         * doc/rtl.texi (clz, ctz): Likewise.
10759
10760 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10761
10762         PR other/35148
10763         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
10764         srcdir.
10765
10766 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
10767
10768         * config/s390/s390.c (struct constant_pool): New field
10769         emit_pool_after added.
10770         (s390_mainpool_start): Set the emit_pool_after flag according
10771         to the section switch notes.
10772         (s390_mainpool_finish): Consider emit_pool_after when emitting
10773         the literal pool at the end of the function.
10774         (s390_chunkify_start): Force literal pool splits at section
10775         switch notes.
10776
10777 2008-02-13  Michael Matz  <matz@suse.de>
10778
10779         PR debug/35065
10780         * var-tracking.c (clobber_variable_part): Correctly traverse the
10781         list.
10782
10783 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10784
10785         PR 29673
10786         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
10787         Add -fdump-ipa-inline.
10788         * tree-dump.c (dump_files): Remove tree-inlined dump.
10789         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
10790         
10791 2008-02-12  Richard Guenther  <rguenther@suse.de>
10792
10793         PR tree-optimization/35171
10794         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
10795         default defs.
10796
10797 2008-02-12  Richard Guenther  <rguenther@suse.de>
10798
10799         PR middle-end/35163
10800         * fold-const.c (fold_widened_comparison): Use get_unwidened in
10801         value-preserving mode.  Disallow final truncation.
10802
10803 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
10804
10805         PR middle-end/35136
10806         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
10807         code from here to...
10808         (force_gimple_operand): ...here.
10809
10810 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
10811
10812         PR c++/35144
10813         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
10814         non-compatible pointers.
10815         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
10816         different FIELD_DECLs, try harder by comparing field offsets, sizes
10817         and types.
10818
10819         PR inline-asm/35160
10820         * function.c (match_asm_constraints_1): Don't replace the same input
10821         multiple times.
10822
10823 2008-02-12  Anatoly Sokolov <aesok@post.ru>
10824
10825         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
10826         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
10827         (expand_epilogue): Restore RAMPZ register.
10828         * config/avr/avr.md (RAMPZ_ADDR): New constant.
10829
10830 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
10831
10832         * config/i386/cygwin.asm: (__alloca): Correct calling
10833         convention and alignment.
10834         (__chkstk): Force 8 byte stack alignment.
10835
10836 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
10837             Richard Guenther  <rguenther@suse.de>
10838
10839         PR tree-optimization/33992
10840         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
10841         the zero we compare against.
10842
10843 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
10844
10845         PR libfortran/35063
10846         * gthr-win32.h (__gthread_mutex_destroy_function): New function
10847         to CloseHandle after unlocking to prevent accumulation of handle
10848         count.
10849
10850 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10851
10852         PR middle_end/34150
10853         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
10854         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
10855         and update LABEL_NUSES during and after reload.
10856
10857 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
10858
10859         PR middle-end/34627
10860         * combine.c (simplify_if_then_else): Make sure the comparison is
10861         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
10862
10863 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
10864
10865         PR bootstrap/35051
10866         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
10867         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
10868         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
10869         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
10870         * tree.h (get_type_static_bounds): Likewise.
10871
10872 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10873
10874         * doc/invoke.texi (Option Summary, C++ Dialect Options)
10875         (Objective-C and Objective-C++ Dialect Options, Warning Options):
10876         Make -Wfoo language annotations match what the compiler outputs.
10877
10878 2008-02-08  Sa Liu  <saliu@de.ibm.com>
10879
10880         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu 
10881         intrinsics spu_convts, spu_convtu, spu_convtf.
10882
10883 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
10884
10885         * doc/extend.texi (Function Attributes) <noinline>: Mention
10886         asm ("") as method to keep calls.
10887
10888 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10889
10890         PR other/32754
10891         * doc/options.texi (Options): Replace references to opts.sh with
10892         optc-gen.awk.
10893         * opts-common.c: Likewise.
10894         * optc-gen.awk: Likewise.
10895         
10896 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
10897
10898         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
10899
10900 2008-02-07  Richard Henderson  <rth@redhat.com>
10901
10902         PR rtl-opt/33410
10903         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
10904         EXPR_LIST for the REG_EQUAL instead of a comparison with a 
10905         funny mode.
10906
10907 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
10908
10909         PR tree-optimization/35085
10910         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
10911         for operand entry oe2 in addition to operand entry oe3 in order to
10912         expose more opportunities for vectorizer sum reduction.
10913
10914 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10915
10916         PR other/35107
10917         * Makefile.in (LIBS): Remove $(GMPLIBS).
10918         (cc1-dummy, cc1): Add $(GMPLIBS).
10919
10920 2008-02-06  Jan Hubicka  <jh@suse.cz>
10921
10922         PR target/23322
10923         * i386.md (moddf_integer): Do not produce partial memory stalls for
10924         targets where it hurts.
10925
10926 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
10927
10928         PR target/35083
10929         * optabs.c (expand_float): Do not check for decimal modes when
10930         expanding unsigned integer through signed conversion.
10931
10932 2008-02-06  Nick Clifton  <nickc@redhat.com>
10933
10934         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
10935         inside the clobber with a match_operand and duplicated operand
10936         number in the constraint.
10937         (ineqbranchsi): Delete redundant comment.
10938
10939 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
10940
10941         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add 
10942         builtin_define ("__USE_INIT_FINI__").
10943         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
10944         -msx multilibs.
10945         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
10946
10947 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10948
10949         PR documentation/30330
10950         * doc/invoke.texi (C++ Dialect Options)
10951         (Objective-C and Objective-C++ Dialect Options, Warning Options):
10952         For each warning option -Wfoo that allows -Wno-foo, ensure both
10953         -Wfoo and -Wno-foo are listed in the option index.  Fix index
10954         entry of -Wswitch-default, index -Wnormalized= including the
10955         `=', and -Wlarger-than-@var{len} including @var{len}.
10956
10957 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
10958
10959         * config/i386/i386.md (floatunssisf2): Use
10960         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
10961         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
10962         Macroize expander using MODEF mode iterator.
10963
10964 2008-02-05  Diego Novillo  <dnovillo@google.com>
10965
10966         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
10967
10968         PR 33738
10969         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
10970
10971 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10972
10973         PR other/35070
10974         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
10975
10976 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
10977
10978         PR target/35084
10979         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
10980         to indicate if a message should be generated.
10981         (init_cumulative_args): Updated.
10982         (function_value_32): Likewise.
10983
10984 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
10985
10986         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
10987
10988 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
10989
10990         PR target/35083
10991         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
10992         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
10993
10994 2008-02-04  Diego Novillo  <dnovillo@google.com>
10995
10996         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
10997
10998         PR 33738
10999         * tree-vrp.c (vrp_evaluate_conditional): With
11000         -Wtype-limits, emit a warning when comparing against a
11001         constant outside the natural range of OP0's type.
11002
11003 2008-02-04  Richard Guenther  <rguenther@suse.de>
11004
11005         PR middle-end/33631
11006         * expr.c (count_type_elements): Give for unions instead of
11007         guessing.
11008
11009 2008-02-04  Richard Guenther  <rguenther@suse.de>
11010
11011         PR middle-end/35043
11012         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
11013         to TYPE_DOMAINs base type instead of using bitsizetype here.
11014
11015 2008-02-03  Jason Merrill  <jason@redhat.com>
11016
11017         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
11018
11019 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11020
11021         PR other/29972
11022         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
11023         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
11024         (RS/6000 and PowerPC Options): Fix typos and markup.
11025         * doc/passes.texi (Tree-SSA passes): Likewise.
11026
11027 2008-02-02  Michael Matz  <matz@suse.de>
11028
11029         PR target/35045
11030         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
11031         from record_last_reg_set_info.
11032         (record_last_reg_set_info): Take an RTX argument, iterate over all
11033         constituent hardregs.
11034         (record_last_set_info, record_opr_changes): Change calls to
11035         new signature or to record_last_reg_set_info_regno.
11036
11037 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
11038
11039         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
11040
11041 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
11042
11043         PR rtl-optimization/34773
11044         * reg-notes.def (EQUAL): Mention significance of combination of
11045         REG_EQUAL and REG_RETVAL.
11046         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
11047         insn that has a REG_RETVAL.
11048
11049 2008-02-01  Roger Sayle  <roger@eyesopen.com>
11050
11051         PR bootstrap/33781
11052         * configure.ac (--enable-fixed-point): Disable unless explicitly
11053         requested on IRIX.
11054         * configure: Regenerate.
11055
11056 2008-02-01  Richard Guenther  <rguenther@suse.de>
11057
11058         PR other/35042
11059         * invoke.texi (-finline-limit): Remove no longer true parts
11060         of the documentation.  Note that there is no default value.
11061
11062 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
11063             Mark Mitchell  <mark@codesourcery.com>
11064             Ben Elliston  <bje@au.ibm.com>
11065
11066         PR c/29326
11067         * doc/extend.texi (Other Builtins): Document.
11068
11069 2008-01-31  Tom Browder <tom.browder@gmail.com>
11070
11071         * doc/c-tree.texi (Types): Fix grammar.
11072         (Expression trees): Ditto.
11073         * doc/passes.texi (Tree-SSA passes): Ditto.
11074         
11075         * doc/configterms.texi (Configure Terms): Fix typo.
11076         * doc/cpp.texi (Common Predefined Macros): Ditto.
11077         * doc/md.texi (Machine Constraints): Ditto.
11078         
11079         * doc/makefile.texi (Makefile): Add comma.
11080
11081 2008-01-31  Tom Browder  <tom.browder@gmail.com>
11082             Gerald Pfeifer  <gerald@pfeifer.com>
11083         
11084         * doc/sourcebuild.texi (Front End): Remove references to CVS
11085         and CVSROOT/modules.
11086         (Texinfo Manuals): Replace reference to CVS by one to SVN.
11087         (Back End): Remove reference to CVS.
11088
11089 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
11090
11091         PR target/34900
11092         * config/mips/mips.c (gen_load_const_gp): New function, taking a
11093         comment from...
11094         (mips16_gp_pseudo_reg): ...here.
11095         * config/mips/mips.md (load_const_gp): Replace with...
11096         (load_const_gp_<mode>): ...this :P-based insn.
11097
11098 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11099
11100         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
11101         options. Minor fixes.
11102         (-std): Move reference to standards closer to where language
11103         standards are first mentioned.
11104         
11105 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
11106
11107         PR rtl-optimization/34995
11108         * reload.c (alternative_allows_const_pool_ref): Take an rtx
11109         parameter and return a bool.  If the rtx parameter is nonnull,
11110         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
11111         (find_reloads): Update call accordingly.  Pass the new operand
11112         if it needed no address reloads, otherwise pass null.
11113
11114 2008-01-30  Richard Henderson  <rth@redhat.com>
11115
11116         PR c/34993
11117         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
11118         for unbounded arrays.
11119
11120 2008-01-30  Silvius Rus  <rus@google.com>
11121
11122         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
11123
11124 2008-01-30  Jan Hubicka  <jh@suse.cz>
11125
11126         PR target/34982
11127         * i386.c (init_cumulative_args): Use real function declaration when
11128         calling locally.
11129
11130 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
11131
11132         PR rtl-optimization/34998
11133         * global.c (build_insn_chain): Treat non-subreg_lowpart
11134         SUBREGs of pseudos as clobbering all the words covered by the
11135         SUBREG, not just all the bytes.
11136         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
11137         original df_ref rather than an extract parameter.
11138         (global_conflicts): Update call accordingly.
11139
11140 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
11141
11142         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
11143         the overflow check to make it easier to read.
11144         (__fixtfdi): Change the type of the ll member in union
11145         long_double to UDItype_x.
11146
11147 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
11148
11149         PR middle-end/34969
11150         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
11151         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
11152         * tree-inline.c (fold_marked_statements): Call
11153         cgraph_update_edges_for_call_stmt if folding a call statement.
11154         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
11155         debug_generic_stmt calls, reset it back afterwards.
11156
11157         PR c/35017
11158         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
11159         static decls.
11160         * c-typeck.c (build_external_ref): Don't pedwarn about
11161         static vars in current function's scope.
11162
11163 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
11164
11165         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
11166
11167 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
11168
11169         PR c/35002
11170         * ipa-struct-reorg.c: Fix spelling.
11171         * params.def: Ditto.
11172
11173 2008-01-29  Richard Guenther  <rguenther@suse.de>
11174
11175         PR middle-end/35006
11176         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
11177         field.
11178         * tree-inline.c (remap_type): Increment remapping_type_depth
11179         around remapping types.
11180         (copy_body_r): Only add referenced variables if they are referenced
11181         from code, not types.
11182
11183 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
11184
11185         PR c++/34055
11186         PR c++/34103
11187         PR c++/34219
11188         PR c++/34606
11189         PR c++/34753
11190         PR c++/34754
11191         PR c++/34755
11192         PR c++/34919
11193         PR c++/34961
11194         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
11195         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
11196
11197 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
11198
11199         PR target/34412
11200         * config/avr/avr.c (expand_prologue): Use correct QI mode frame 
11201         pointer for tiny stack.
11202
11203 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
11204
11205         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
11206
11207 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
11208
11209         * config/vx-common.h: Fix typo in comment.
11210
11211 2008-01-28  Ian Lance Taylor  <iant@google.com>
11212
11213         PR c++/34862
11214         PR c++/33407
11215         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
11216         coalesce pointers if they have different DECL_NO_TBAA_P values.
11217         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
11218         between variables with different DECL_NO_TBAA_P values.
11219
11220 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
11221
11222         PR 31535
11223         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
11224         are not legitimate small data references on SPE targets.
11225
11226 2008-01-28  David Daney  <ddaney@avtrex.com>
11227
11228         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
11229
11230 2008-01-28  David Daney  <ddaney@avtrex.com>
11231
11232         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
11233
11234 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
11235
11236         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
11237         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
11238         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
11239         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
11240         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
11241         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
11242         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
11243         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
11244
11245 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
11246
11247         * basic-block.h (condjump_equiv_p): Fix comment.
11248
11249 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
11250
11251         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
11252         print_generic_stmt_indented): Fix comment.
11253
11254 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
11255
11256         * configure.ac (__stack_chk_fail): Add detecion for availability
11257         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
11258         * configure: Regenerate.
11259
11260 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
11261
11262         PR middle-end/34688
11263         * final.c (output_addr_const): Handle TRUNCATE.
11264
11265 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
11266
11267         PR target/34711
11268         * tree-ssa-loop-ivopts.c (comp_cost): New type.
11269         (zero_cost, infinite_cost): New constants.
11270         (struct cost_pair): Change type of cost to comp_cost.
11271         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
11272         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
11273         New functions.
11274         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
11275         split_address_cost, ptr_difference_cost, difference_cost,
11276         get_computation_cost_at, get_computation_cost,
11277         determine_use_iv_cost_generic, determine_use_iv_cost_address,
11278         determine_use_iv_cost_condition, determine_use_iv_costs,
11279         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
11280         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
11281         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
11282         Change type of cost to comp_cost.
11283         (determine_iv_cost): Increase cost of non-original ivs, instead
11284         of decreasing the cost of original ones.
11285         (get_address_cost): Indicate the complexity of the addressing mode 
11286         in comp_cost.
11287         (try_add_cand_for): Prefer using ivs not specific to some object.
11288         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
11289
11290 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
11291             Janis Johnson  <janis187@us.ibm.com>
11292
11293         PR target/34814
11294         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
11295         (TARGET_INSTANTIATE_DECLS): Likewise.
11296         * target.h (expand_to_rtl_hook): New target hook.
11297         (instantiate_decls): Likewise.
11298         * function.c (instantiate_decl): Make non-static.  Rename to...
11299         (instantiate_decl_rtl): ... this.
11300         (instantiate_expr): Use instantiate_decl_rtl.
11301         (instantiate_decls_1): Likewise.
11302         (instantiate_decls): Likewise.
11303         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
11304         * function.h (instantiate_decl_rtl): Add prototype.
11305         * cfgexpand.c (target.h): New include.
11306         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
11307         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
11308         (TARGET_INSTANTIATE_DECLS): Likewise.
11309         (TARGET_INITIALIZER): New target hooks added.
11310         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
11311         New prototype.
11312         * config/rs6000/rs6000.c (tree-flow.h): New include.
11313         (machine_function): Add sdmode_stack_slot field.
11314         (rs6000_alloc_sdmode_stack_slot): New function.
11315         (rs6000_instantiate_decls): Likewise.
11316         (rs6000_secondary_memory_needed_rtx): Likewise.
11317         (rs6000_check_sdmode): Likewise.
11318         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
11319         (TARGET_INSTANTIATE_DECLS): Likewise.
11320         (rs6000_hard_regno_mode_ok): Allow SDmode.
11321         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
11322         (rs6000_emit_move): Handle SDmode.
11323         (function_arg_advance): Likewise.
11324         (function_arg): Likewise.
11325         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
11326         SDmode var args for 32-bit compiles.
11327         (rs6000_secondary_reload_class): Handle SDmode.
11328         (rs6000_output_function_epilogue): Likewise.
11329         (rs6000_function_value): Simplify if statement.
11330         (rs6000_libcall_value): Likewise.
11331         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
11332         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
11333         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
11334         (movsd_hardfloat): New define_insn.
11335         (movsd_softfloat): Likewise.
11336         (movsd_store): Likewise.
11337         (movsd_load): Likewise.
11338         (extendsddd2): Likewise.
11339         (extendsdtd2): Likewise.
11340         (truncddsd2): Likewise.
11341         (movdd_hardfloat64): Fixup comment.
11342         (UNSPEC_MOVSD_LOAD): New constant.
11343         (UNSPEC_MOVSD_STORE): Likewise.
11344
11345 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
11346
11347         PR c++/34965
11348         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
11349         TRUTH_XOR_EXPR.
11350         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
11351         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
11352         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
11353         and TRUTH_XOR_EXPR.
11354
11355 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
11356
11357         PR target/34794
11358         * config.gcc: Separate AIX 5.3 from AIX 6.1.
11359         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
11360         __LONGDOUBLE128 too.
11361         * config/rs6000/aix61.h: New file.
11362
11363 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
11364
11365         PR rtl-optimization/34959
11366         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
11367         popcount and parity rtxes the same mode as their operand.
11368         Truncate or extend the result to the return value's mode
11369         if necessary.
11370
11371 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
11372
11373         PR target/34981
11374         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
11375         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
11376         to GOT_VERSION_REGNUM.
11377         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
11378         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
11379         * config/mips/mips.c (mips_emit_call_insn): New function.
11380         (mips_call_tls_get_addr): Call mips_expand_call directly.
11381         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
11382         emit_call_insn.
11383         (mips16_build_call_stub): Likewise.  Return the call insn or null.
11384         (mips_expand_call): Update the call to mips16_build_call_stub
11385         accordingly and a remove redundant condition.  Assert that MIPS16
11386         stubs do not use lazy binding.  Use mips_emit_call_insn and return
11387         the call insn.
11388         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
11389         TARGET_USE_GOT.
11390         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
11391         (mips_avoid_hazard): Remove hazard_set handling.
11392         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
11393         (UNSPEC_RESTORE_GP): ...this.
11394         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
11395         (FAKE_CALL_REGNO): Rename to...
11396         (GOT_VERSION_REGNUM): ...this.
11397         (type): Add "ghost" value.  Add an associated insn reservation.
11398         (hazard_set): Remove.
11399         (exception_receiver): Rename to...
11400         (restore_gp): ...this and update the unspec identifier accordingly.
11401         (exception_receiver, nonlocal_got_receiver): New expanders.
11402         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
11403         FAKE_CALL_REGNO.  Remove hazard_set attribute.
11404         (set_got_version, update_got_version): New patterns.
11405
11406 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
11407
11408         PR target/34970
11409         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
11410
11411 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
11412
11413         PR other/31955
11414         * doc/install.texi2html: Generate gcc-vers.texi.
11415
11416 2008-01-25  DJ Delorie  <dj@redhat.com>
11417
11418         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
11419
11420 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
11421
11422         * config/c4x: Remove directory.
11423         * config.gcc (crx-*, mt-*): Mark obsolete.
11424         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
11425         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
11426         sh-*-rtemscoff*): Remove cases.
11427         * defaults.h (C4X_FLOAT_FORMAT): Remove.
11428         * real.c (encode_c4x_single, decode_c4x_single,
11429         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
11430         c4x_extended_format): Remove.
11431         * real.h (c4x_single_format, c4x_extended_format): Remove.
11432         * doc/extend.texi (interrupt, naked): Remove mention of attributes
11433         on C4x.
11434         (Pragmas): Remove comment about c4x pragmas.
11435         * doc/install.texi (c4x): Remove target-specific instructions.
11436         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
11437         * doc/md.texi (Machine Constraints): Remove C4x documentation.
11438         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
11439         refer to C4x source files as examples.
11440         (C4X_FLOAT_FORMAT): Remove documentation.
11441
11442 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
11443
11444         * config/bfin/bfin.c (override_options): Reorder tests so that
11445         flag_pic gets enabled for -msep-data.
11446
11447 2008-01-25  Richard Guenther  <rguenther@suse.de>
11448
11449         PR middle-end/32244
11450         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
11451         to its bitfield precision if required.
11452
11453 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
11454
11455         PR middle-end/33880
11456         * tree-nested.c (walk_omp_for): New function.
11457         (convert_nonlocal_reference, convert_local_reference): Call
11458         walk_omp_for on OMP_FOR.
11459         (convert_call_expr): Call walk_body on OMP_FOR's
11460         OMP_FOR_PRE_INIT_BODY.
11461
11462 2008-01-25  Richard Guenther  <rguenther@suse.de>
11463
11464         PR tree-optimization/34966
11465         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
11466         default defs and PHI_NODEs we have to insert after the
11467         defining statement.
11468
11469 2008-01-24  Nick Clifton  <nickc@redhat.com>
11470
11471         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
11472         Provide a default definition.
11473         (LIBGCC2_UNITS_PER_WORD): Likewise.
11474
11475         * config/stormy16/stormy16.c: Include df.h for the prototype
11476         for df_regs_ever_live_p.
11477         (xstormy16_expand_builtin_va_start): Convert the stack offset
11478         into a component_ref and then use POINTER_PLUS_EXPR to add it
11479         to the incoming_virtual_args_rtx.
11480         (xstormy16_gimplify_va_arg_expr): Rename to
11481         xstormy16_gimplify_va_arg_expr.
11482         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
11483         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
11484         xstormy16_gimplify_va_arg_expr.
11485         Fix up some formatting issues.
11486
11487         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
11488         Move to predicates.md.
11489         (xs_hi_general_operand): Likewise.
11490         (xs_hi_nonmemory_operand): Likewise.
11491         * config/stormy16/predicates.md:
11492         (xstormy16_carry_plus_operand): New predicate.
11493         (xs_hi_general_operand): New predicate.
11494         (xs_hi_nonmemory_operand): New predicate.
11495         * config/stormy16/stormy16-protos.h:
11496         (xstormy16_carry_plus_operand): Delete prototype.
11497         (xs_hi_general_operand): Likewise.
11498         (xs_hi_nonmemory_operand): Likewise.
11499
11500         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
11501         modifiers as they are no longer needed and they can trigger
11502         reload spill failures.
11503
11504         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
11505         with a match_operand in order to help reload.
11506
11507         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
11508         constraint with 'e' for the 8th alternative as this version of
11509         the mov.w instruction only accepts the lower 8 registers.
11510
11511 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
11512
11513         PR target/34856
11514         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
11515         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
11516         vector elements.
11517
11518 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
11519
11520         PR middle-end/33333
11521         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
11522
11523 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
11524
11525         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
11526         New functions.
11527         (remove_structure): Update allocations list before removing structure.
11528         
11529 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
11530
11531         * ipa-struct-reorg.c (is_safe_cond_expr, 
11532         create_new_stmts_for_cond_expr): Use integer_zerop function,
11533         that recognize not only zero-pointer, but zero-integer too.
11534
11535 2008-01-25  Ben Elliston  <bje@au.ibm.com>
11536
11537         PR other/22232
11538         * fixproto: Escape "." in sed expression that strips leading "./".
11539
11540 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
11541
11542         PR driver/34904
11543         * gcc.c (SWITCH_OK): Removed.
11544         (SWITCH_LIVE): Changed to bit.
11545         (SWITCH_FALSE): Likewise.
11546         (SWITCH_IGNORE): Likewise.
11547         (switchstr): Change live_cond to unsigned int.
11548         (process_command): Replace SWITCH_OK with 0.
11549         (do_self_spec): Likewise.
11550         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
11551         (give_switch): Likewise.
11552         (used_arg): Likewise.
11553         (do_spec_1): Set the SWITCH_IGNORE bit.
11554         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
11555         bits.  Set the SWITCH_LIVE bit.
11556
11557 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
11558
11559         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
11560
11561 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
11562
11563         PR tree-optimization/34472
11564         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
11565         parameter to a "bool *" and set *DATA to false if there is
11566         an unsafe access.  Do not delete the structure here.
11567         (check_cond_exprs): Delete it here instead.
11568         (check_cond_exprs, exclude_cold_structs): Do not increase
11569         I when removing a structure.
11570
11571 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
11572
11573         PR target/34856
11574         * config/i386/i386.c (ix86_expand_vector_init): Consider only
11575         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
11576
11577 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
11578
11579         PR middle-end/34934
11580         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
11581         a fixed vector for stack.
11582
11583 2008-01-24  Ben Elliston  <bje@au.ibm.com>
11584
11585         PR c++/25701
11586         * doc/gcc.texi (Software development): Add a direntry for g++.
11587         
11588 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
11589
11590         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
11591         stale and straggling -fforce-addr comments above.
11592
11593         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
11594         define.
11595         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
11596         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
11597
11598 2008-01-23  Michael Matz  <matz@suse.de>
11599
11600         PR debug/34895
11601         * dwarf2out.c (force_type_die): Use modified_type_die instead of
11602         gen_type_die.
11603
11604 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
11605
11606         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
11607         malloc result type.
11608
11609 2008-01-23 Anatoly Sokolov <aesok@post.ru>
11610
11611         * config/avr/avr.c (avr_current_arch): New variable.
11612         (avr_arch_types): Add 'avr31' and 'avr51' entries.
11613         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
11614         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
11615         (avr_override_options): Init 'avr_current_arch'. 
11616         (base_arch_s): Move from here...
11617         * config/avr/avr.h (base_arch_s): ... here. Add new members 
11618         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename 
11619         'mega' to 'have_jmp_call'.
11620         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__", 
11621         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
11622         macros.
11623         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51' 
11624         architectures.
11625         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, 
11626         MULTILIB_MATCHES): (Ditto.).
11627
11628 2008-01-23  Richard Guenther  <rguenther@suse.de>
11629
11630         PR middle-end/31529
11631         * cgraphunit.c (cgraph_reset_node): Always mark the node
11632         not reachable if it is not queued already.
11633
11634 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
11635
11636         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
11637         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
11638         (cputype_selected): New static variable.
11639         (bfin_handle_option): Set it if -mcpu is used.
11640         (override_option): Select default set of workarounds if no cpu type
11641         selected on the command line.
11642         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
11643
11644         From  Michael Frysinger  <michael.frysinger@analog.com>
11645         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
11646         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
11647
11648         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
11649         for bf547, bf523, bf524, and bf526.
11650         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
11651         bf526.
11652         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
11653         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
11654         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
11655         __ADSPBF547__ and __ADSPBF54x__ for bf547.
11656         * doc/invoke.texi (Blackfin Options): Document that
11657         -mcpu now accept bf547, bf523, bf524, and bf526.
11658
11659 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
11660
11661         PR rtl-optimization/34628
11662         * combine.c (try_combine): Stop and undo after the first combination
11663         if an autoincrement side-effect on the first insn has effectively
11664         been lost.
11665
11666 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
11667
11668         PR target/34529
11669         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
11670         Offset addresses are not valid for Altivec or paired float modes.
11671
11672 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
11673
11674         PR c++/34607
11675         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
11676         if DECL_INITIAL (decl) is error_mark_node.
11677
11678         PR c++/34914
11679         * c-common.c (handle_vector_size_attribute): Only allow
11680         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
11681         the same way as pointer, array etc. types.
11682         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
11683
11684         PR c++/34917
11685         * tree.c (build_type_attribute_qual_variant): Call
11686         build_qualified_type if attributes are equal, but quals are not.
11687
11688 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11689
11690         PR 32102
11691         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
11692         * flags.h (warn_strict_aliasing): Remove.
11693         (warn_strict_overflow): Remove.
11694         * opts.c (warn_strict_aliasing): Remove.
11695         (warn_strict_overflow): Remove.
11696         * c-opts.c (c_common_handle_option): -Wall only sets
11697         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
11698         (c_common_post_options): Give default values to -Wstrict-aliasing
11699         and -Wstrict-overflow if they are uninitialized.
11700         * common.opt (Wstrict-aliasing): Specify Var and Init.
11701         (Wstrict-overflow): Likewise.
11702
11703 2008-01-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
11704
11705         PR rtl-optimization/26854
11706         PR rtl-optimization/34400
11707         PR rtl-optimization/34884
11708         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
11709         DF_RD->gen.
11710         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
11711         (df_rd_bb_info.expanded_lr_out): Deleted
11712         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
11713         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
11714         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
11715         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
11716         Removed code to allocate, initialize or free expanded_lr_out.
11717         (df_rd_bb_local_compute_process_def): Restructured to make more
11718         understandable.
11719         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
11720         sets if the sets are being trimmed.
11721
11722 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
11723
11724         PR bootstrap/32287
11725         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
11726         (as_vers): Likewise.
11727         * configure: Regenerated.
11728
11729 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11730
11731         PR middle-end/33092
11732         * tree-pass.h (pass_build_alias): New pass.
11733         * tree-ssa-alias.c (gate_build_alias): New.
11734         (pass_build_alias): New.
11735         * passes.c (init_optimization_passes): Add pass_build_alias after
11736         pass_create_structure_vars.
11737
11738 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
11739
11740         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
11741         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
11742         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
11743         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
11744         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
11745         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
11746         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
11747         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
11748         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
11749         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
11750         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
11751         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
11752         * config/s390/s390.md (FP_ALL): New mode iterator.
11753         (_d): New mode attribute.
11754         ("*signbit<mode>2>"): Changed mode of first operand.
11755         ("isinf<mode>2"): Changed mode of first operand.
11756         ("*TDC_insn"): Adaptation for DFP modes.
11757
11758 2008-01-22  Ben Elliston  <bje@au.ibm.com>
11759
11760         * tree.c (check_qualified_type): Improve function description.
11761
11762 2008-01-21  Jason Merrill  <jason@redhat.com>
11763
11764         PR c++/34196
11765         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
11766         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
11767         if it is set.
11768
11769 2008-01-21  DJ Delorie  <dj@redhat.com>
11770
11771         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
11772         return zero.
11773
11774 2008-01-21  Richard Guenther  <rguenther@suse.de>
11775
11776         PR middle-end/34856
11777         * tree-cfg.c (verify_expr): Allow all invariant expressions
11778         instead of just constant class ones as reference argument.
11779         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
11780         like any other constant.
11781         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
11782
11783 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
11784
11785         * regmove.c (fixup_match_1): Update call crossed frequencies.
11786
11787 2008-01-21  Richard Guenther  <rguenther@suse.de>
11788
11789         PR c/34885
11790         * tree-inline.c (setup_one_parameter): Deal with mismatched
11791         types using a VIEW_CONVERT_EXPR.
11792
11793 2008-01-21  Alon Dayan  <alond@il.ibm.com>
11794             Olga Golovanevsky  <olga@il.ibm.com>
11795         
11796         PR tree-optimization/34701
11797         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
11798         when the structure size is not a power of 2.
11799
11800 2008-01-20  Kenneth Zadeck  <zadeck@naturalbridge.com>
11801
11802         * doc/install.texi: Add doc for --enable-checking=df.
11803         
11804 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
11805
11806         PR rtl-optimization/34808
11807         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
11808
11809 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
11810
11811         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
11812         input.
11813
11814 2008-01-19  Kenneth Zadeck  <zadeck@naturalbridge.com>
11815
11816         PR rtl-optimization/26854
11817         PR rtl-optimization/34400
11818         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
11819         DF_RD->gen.
11820         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
11821         (df_rd_bb_info.expanded_lr_out): New.
11822         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
11823         * loop_iv.c (iv_analysis_loop_init): Ditto.
11824         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
11825         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
11826         Added code to allocate, initialize or free expanded_lr_out.
11827         (df_rd_bb_local_compute_process_def): Restructured to make
11828         more understandable.
11829         (df_rd_confluence_n): Add code to do nothing with fake edges and
11830         code to no apply invalidate_by_call sets if the sets are being trimmed.
11831         (df_lr_local_finalize): Renamed to df_lr_finalize.
11832         (df_live_local_finalize): Renamed to df_live_finalize.
11833
11834 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
11835
11836         PR target/34831
11837         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
11838         deciding whether to use reciprocal instructions.
11839
11840 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
11841
11842         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
11843         dwarf2out_note_section_used if cold_text_section is NULL.
11844
11845 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
11846
11847         PR gcov-profile/34610
11848         * tree-cfg.c (make_edges): Mark both outgoing edges from
11849         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
11850         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
11851         from OMP_FOR and OMP_CONTINUE outgoing edges.
11852
11853         * tree-profile.c (tree_profiling): Return early if
11854         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
11855         at the end.
11856         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
11857         from cfun to child_cfun.
11858         * function.h (struct function): Add after_tree_profile bit.
11859
11860 2008-01-19 Anatoly Sokolov <aesok@post.ru>
11861
11862         * config/avr/avr.S (_exit): Disable interrupt.
11863
11864 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
11865             Steven Bosscher  <stevenb.gcc@gmail.com>
11866
11867         PR rtl-optimization/26854
11868         PR rtl-optimization/34400
11869         * df-problems.c (df_live_scratch): New scratch bitmap.
11870         (df_live_alloc): Allocate df_live_scratch when doing df_live.
11871         (df_live_reset): Clear the proper bitmaps.
11872         (df_live_bb_local_compute): Only process the artificial defs once
11873         since the order is not important.
11874         (df_live_init): Init the df_live sets only with the variables
11875         found live by df_lr.
11876         (df_live_transfer_function): Use the df_lr sets to prune the
11877         df_live sets as they are being computed.  
11878         (df_live_free): Free df_live_scratch.
11879
11880 2008-01-18  Ian Lance Taylor  <iant@google.com>
11881
11882         * common.opt: Add fmerge-debug-strings.
11883         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
11884         flag_merge_debug_strings rather than flag_merge_constants.
11885         * doc/invoke.texi (Option Summary): Mention
11886         -fmerge-debug-strings.
11887         (Debugging Options): Document -fmerge-debug-strings.
11888
11889 2008-01-18  Ian Lance Taylor  <iant@google.com>
11890
11891         PR c++/33407
11892         * tree.h (DECL_IS_OPERATOR_NEW): Define.
11893         (struct tree_function_decl): Add new field operator_new_flag.
11894         * tree-inline.c (expand_call_inline): When inlining a call to
11895         operator new, force the return value to go into a variable, and
11896         set DECL_NO_TBAA_P on that variable.
11897         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
11898
11899 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
11900
11901         PR debug/34484
11902         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
11903         DWARF2_DEBUGGING_INFO.
11904         (dwarf2out_note_section_used): Ditto.  Add prototype.
11905         (have_multiple_function_sections, text_section_used,
11906         cold_text_section_used, *cold_text_sections): Move declarations
11907         before their uses.
11908
11909 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
11910
11911         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
11912         field and add signal_ra.
11913         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
11914         assignments to frame state pc.  Move end of stack check after
11915         MD_FALLBACK_FRAME_STATE_FOR.
11916         (uw_update_context_1): Use frame state signal_regs if set, instead
11917         of checking signal_frame flag.
11918         (uw_update_context): Use frame state signal_ra if set.
11919         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
11920         * config/xtensa/linux-unwind.h: New file.
11921
11922 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
11923
11924         * modulo-sched.c (get_sched_window): Fix comment typo.
11925
11926 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
11927
11928         PR tree-optimization/34648
11929         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
11930
11931 2008-01-17  Anatoly Sokolov <aesok@post.ru>
11932
11933         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
11934         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
11935
11936 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
11937
11938         PR rtl-optimization/34400
11939         * df-core.c (df_worklist_dataflow_overeager,
11940         df_worklist_dataflow_doublequeue): New functions.
11941         (df_worklist_dataflow): Two different worklist solvers.
11942         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
11943         New param.
11944
11945 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
11946
11947         PR testsuite/34821
11948         * doc/invoke.texi: Document the dependence on pthread for fopenmp
11949         and ftree-parallelize-loops.
11950
11951 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
11952
11953         PR rtl-optimization/34826
11954         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
11955
11956 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
11957
11958         * global.c (find_reg): Mark the eh regs as used if necessary.
11959         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
11960         * ra.h (struct allocno): no_eh_reg field added.  Changed
11961         no_stack_reg type to bitfield.
11962
11963 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
11964
11965         * tree.c (substitute_in_expr): Add missing 'break'.
11966
11967 2008-01-17  Richard Guenther  <rguenther@suse.de>
11968
11969         PR tree-optimization/34825
11970         * tree-ssa-math-opts.c (is_division_by): Do not recognize
11971         x / x as division to handle.
11972
11973 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11974
11975         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
11976         "-pthread" is specified.
11977         * pa-hpux11.h (LIB_SPEC): Likewise.
11978
11979 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
11980             Peter Bergner  <bergner@vnet.ibm.com>
11981
11982         PR rtl-optimization/33796
11983         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
11984
11985 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11986
11987         PR libgfortran/34699
11988         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
11989         static links.
11990         * pa-hpux10.h (LINK_SPEC): Likewise.
11991         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
11992
11993 2008-01-16  Richard Guenther  <rguenther@suse.de>
11994
11995         PR middle-end/32628
11996         * fold-const.c (fold_convert_const_int_from_int): Do not
11997         set overflow if that occured only because of a sign extension
11998         change when converting from/to a sizetype with the same
11999         precision and signedness.
12000
12001 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
12002
12003         PR debug/34249
12004         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
12005         location address to the correct place.  Update copyright year.
12006
12007 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
12008
12009         * lambda-code.c (lambda_transform_legal_p): Handle the case of
12010         no dependences in the dependence_relations vector.
12011
12012 2008-01-16  Jan Hubicka  <jh@suse.cz>
12013
12014         PR rtl-optimization/31396
12015         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
12016         * cfg.c (dump_reg_info): Print it.
12017         * regs.h (struct reg_info_t): add freq_calls_crossed.
12018         (REG_FREQ_CALLS_CROSSED): New macro.
12019         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
12020         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
12021         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
12022         regmove_optimize): Update call crossed frequencies.
12023         * local-alloc.c (struct qty): Add freq_calls_crossed.
12024         (alloc_qty): Copute freq_calls_crossed.
12025         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
12026         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
12027         * ra.h (struct allocno): Add freq_calls_crossed.
12028
12029 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
12030
12031         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
12032         libgomp when compiling with ftree-parallelize-loops.
12033         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
12034
12035 2008-01-16  Richard Guenther  <rguenther@suse.de>
12036
12037         PR tree-optimization/34769
12038         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
12039         * tree.c (int_cst_value): Instead make this function more
12040         permissive in what it accepts as valid input.  Document this
12041         function always sign-extends the value.
12042
12043 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
12044             Richard Guenther  <rguenther@suse.de>
12045
12046         PR c/34668
12047         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
12048         (gimple_fold_indirect_ref_rhs): ... this.
12049         (gimple_fold_indirect_ref): New function with foldings
12050         that preserve lvalueness.
12051         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
12052         * tree-flow.h (gimple_fold_indirect_ref): Declare.
12053         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
12054         to fold an INDIRECT_REF, fall back to the old use of
12055         fold_indirect_ref_1.
12056
12057 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
12058
12059         * tree-data-ref.c (subscript_dependence_tester_1): Call 
12060         free_conflict_function.
12061         (compute_self_dependence): Same.
12062
12063 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
12064
12065         PR debug/34249
12066         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
12067         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
12068         function global.
12069         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
12070         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
12071         for DWARF2_UNWIND_INFO targets.
12072
12073 2008-01-16  Richard Guenther  <rguenther@suse.de>
12074
12075         PR c/34768
12076         * c-typeck.c (common_pointer_type): Do not merge inconsistent
12077         type qualifiers for function types.
12078
12079 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
12080
12081         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
12082         loop_iterator li from previous commit.
12083
12084 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
12085
12086         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
12087
12088 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
12089
12090         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
12091         (parallelize_loops): Don't parallelize irreducible components.
12092
12093 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12094
12095         PR c++/24924
12096         * c-opts (c_common_post_options): Do not enable CPP
12097         flag_pedantic_errors by default.
12098         
12099 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
12100
12101         PR rtl-optimization/31944
12102         * cse.c (remove_pseudo_from_table): New function.
12103         (merge_equiv_classes): Use above function to remove pseudo-registers.
12104         (invalidate): Likewise.
12105
12106 2008-01-13  Richard Guenther  <rguenther@suse.de>
12107
12108         PR middle-end/34601
12109         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
12110         instead of TYPE_MODE to deal with calls from expand_one_error_var.
12111
12112 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
12113
12114         * gcse.c (cprop_jump): Call validate_unshare_change instead of
12115         validate_change to unshare the source of the PC set.
12116
12117 2008-01-12  Jan Hubicka  <jh@suse.cz>
12118
12119         PR middle-end/32135
12120         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
12121         references above array bounds.  This might trigger bounds checks for
12122         pointers to arrays.
12123
12124 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
12125
12126         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
12127         new_replaceable_dependencies.
12128
12129 2008-01-12  Doug Kwan  <dougkwan@google.com>
12130
12131         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
12132         instead of OPT_Wreturn_type in warning due to ignored return type
12133         qualifiers.
12134         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
12135         options included in -Wextra.
12136         * c.opt: New option -Wignored_qualifiers.
12137         * doc/invoke.texi (Warning Options, -Wextra): Add new option
12138         -Wignore_qualifiers.
12139         (-Wignored-qualifiers): Document.
12140         (-Wreturn-type): Remove description of functionality now handled
12141         by -Wignored-qualifiers.
12142
12143 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
12144
12145         PR ada/33788
12146         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
12147         NOP_EXPR if it is between integral types with the same precision.
12148
12149 2008-01-12  Jan Hubicka  <jh@suse.cz>
12150
12151         PR other/28023
12152         * invoke.texi (max-inline-recursive-depth): Fix default value.
12153
12154 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
12155
12156         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
12157         correct type.
12158
12159 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
12160         
12161         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
12162         
12163 2008-01-11  James E. Wilson  <wilson@specifix.com>
12164
12165         PR target/26015
12166         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
12167
12168 2008-01-11  Anatoly Sokolov <aesok@post.ru>
12169
12170         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't 
12171         save/restore frame pointer register and don't use 'call-prologues' 
12172         optimization in function with "OS_task" attribute.
12173
12174 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
12175
12176         PR middle-end/31309
12177         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
12178         when copying to memory.
12179
12180 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
12181
12182         PR rtl-optimization/30905
12183         * cfgcleanup.c: Include dce.h
12184         (crossjumps_occured): New global variable.
12185         (try_crossjump_bb): Exit loop after finding a fallthru edge.
12186         If something changed, set crossjumps_occured to true.
12187         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
12188         Don't add/remove fake edges to exit here...
12189         (cleanup_cfg): ...but do it here, when crossjumping.
12190         Run a fast DCE when successful crossjumps occured in the latest
12191         iteration of try_optimize_cfg.
12192
12193 2008-01-11  Richard Guenther  <rguenther@suse.de>
12194
12195         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
12196         (struct vn_unary_op_s): Likewise.
12197         (vn_reference_insert): Free old reference on hash collision.
12198
12199 2008-01-10  Raksit Ashok  <raksit@google.com>
12200
12201         PR rtl-optimization/27971
12202         * combine.c (find_split_point): Split PLUS expressions which are
12203         inside a MEM rtx, and whose first operand is complex.
12204
12205 2008-01-10  DJ Delorie  <dj@redhat.com>
12206
12207         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
12208         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
12209         (m32c_hard_regno_ok): Call the underlying function.
12210
12211 2008-01-10  Richard Guenther  <rguenther@suse.de>
12212
12213         PR middle-end/34683
12214         * tree-cfg.c (tree_merge_blocks): Do not go through the
12215         full-blown folding and stmt updating path if we just deal
12216         with virtual operands.
12217         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
12218         test for abnormal SSA_NAMEs.
12219
12220 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
12221
12222         PR middle-end/34641
12223         * reload.c (push_reload): Add assertions.  All constants from
12224         reg_equiv_constant should have been used for replacing the respective
12225         pseudo earlier.
12226         (find_reloads_address): Invoke find_reloads_address_part for
12227         constant taken from the reg_equiv_constant array.
12228
12229 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
12230
12231         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
12232         field (valnum) the first in the struct.  Replace bools with
12233         unit bit fields.
12234
12235 2008-01-10  Richard Guenther  <rguenther@suse.de>
12236
12237         PR tree-optimization/34651
12238         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
12239         types and ordering for masking and converting.
12240
12241 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
12242
12243         PR tree-optimization/34017
12244         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
12245         also for PHI_NODE expressions.
12246
12247 2008-01-09  Jan Hubicka  <jh@suse.cz>
12248
12249         PR tree-optimization/34708
12250         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
12251         based on number of case labels.
12252         (init_inline_once): Remove switch_cost.
12253         * tree-inline.h (eni_weights_d): Remove switch_cost.
12254
12255 2008-01-09  Richard Guenther  <rguenther@suse.de>
12256         Andrew Pinski  <andrew_pinski@playstation.sony.com>
12257
12258         PR middle-end/30132
12259         * gimplify.c (gimplify_cond_expr): Do not create an addressable
12260         temporary if an rvalue is ok or an lvalue is not required.
12261
12262 2008-01-09  Richard Guenther  <rguenther@suse.de>
12263
12264         PR middle-end/34458
12265         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
12266         adjust return type.
12267
12268 2008-01-09  Richard Guenther  <rguenther@suse.de>
12269
12270         PR middle-end/34679
12271         * tree.c (host_integerp): Check for sizetype only if the
12272         type is an integer type.
12273
12274 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
12275
12276         PR debug/26364
12277         * opts.c (decode_options): Disable inlining of functions called
12278         once if not in unit-at-a-time mode.
12279
12280 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
12281
12282         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
12283
12284 2008-01-08  Richard Guenther  <rguenther@suse.de>
12285
12286         PR middle-end/31863
12287         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
12288         out early if the result will be unused.
12289
12290 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
12291
12292         PR target/34709
12293         Revert:
12294
12295         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
12296         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
12297         for TARGET_RECIP.       
12298         
12299 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
12300         
12301         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
12302         for vectorization tuned.
12303         
12304 2008-01-08  Richard Guenther  <rguenther@suse.de>
12305
12306         PR tree-optimization/34683
12307         * tree-ssa-operands.c (operand_build_cmp): Export.
12308         * tree-ssa-operands.h (operand_build_cmp): Declare.
12309         * tree-vn.c (vuses_compare): Remove.
12310         (sort_vuses): Use operand_build_cmp.
12311         (sort_vuses_heap): Likewise.
12312         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
12313         to re-use old VEC if available.  Do not sort already sorted VUSEs.
12314         (vdefs_to_vec): Do not sort already sorted VDEFs.
12315
12316 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
12317
12318         PR middle-end/34694
12319         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
12320
12321 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
12322
12323         PR target/34702
12324         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
12325         limitations of reciprocal sequences on x86 targets.
12326
12327 2008-01-08  Richard Guenther  <rguenther@suse.de>
12328
12329         PR tree-optimization/34683
12330         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
12331
12332 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
12333
12334         PR target/34622
12335         * config/darwin.c (darwin_mergeable_string_section): Don't use
12336         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
12337
12338 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
12339
12340         PR target/34682
12341         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
12342         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
12343         predicates of op0 and op1 to register_operand.
12344         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
12345         expander using X87MODEF mode iterator.  Change predicates of
12346         op0 and op1 to register_operand.
12347         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
12348         corresponding patterns and macroize using MODEF macro.  Change
12349         predicates of op0 and op1 to register_operand and remove
12350         "m" constraint. Disparage "r" alternative with "!".
12351         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
12352         macroize using X87MODEF macro.  Change predicates of op0 and op1
12353         to register_operand and remove "m" constraint.  Disparage "r"
12354         alternative with "!".
12355         (absneg splitter with memory operands): Remove.
12356         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
12357         patterns and macroize using X87MODEF mode iterator.
12358         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
12359         Change predicate of op1 to register_operand.
12360         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
12361         for memory operands.
12362
12363 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
12364
12365         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
12366
12367 2008-01-07  Richard Guenther  <rguenther@suse.de>
12368
12369         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
12370         fields.
12371
12372 2008-01-07  Richard Guenther  <rguenther@suse.de>
12373
12374         PR tree-optimization/34683
12375         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
12376         VOPs of the needed size to save memory.  Use VEC_quick_push
12377         to save compile-time.
12378         (vdefs_to_vec): Likewise.
12379
12380 2008-01-07  Sa Liu  <saliu@de.ibm.com>
12381
12382         * config/spu/spu.md (divdf3): Genetate inline code for double
12383         division.  The implementation doesn't handle INF or NAN, therefore it
12384         only applies when -ffinite-math-only is given.
12385
12386 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
12387
12388         PR libstdc++/34680
12389         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
12390         * doc/cpp.texi ([Common Predefined Macros]): Document.
12391
12392 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
12393
12394         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
12395         order to use commutative addition instead of subtraction.
12396
12397 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12398             Mircea Namolaru  <namolaru@il.ibm.com>
12399             Vladimir Yanovsky  <yanov@il.ibm.com>
12400             Revital Eres  <eres@il.ibm.com>
12401
12402         PR tree-optimization/34263
12403         * tree-outof-ssa.c (process_single_block_loop_latch,
12404         contains_tree_r): New functions.
12405         (analyze_edges_for_bb): Call process_single_block_loop_latch
12406         function to empty single-basic-block latch block if possible.
12407
12408 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
12409
12410         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
12411         for TARGET_RECIP.
12412         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
12413
12414 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
12415
12416         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
12417
12418 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
12419
12420         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
12421
12422 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
12423
12424         PR tree-optimization/34618
12425         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
12426         flag from T.
12427
12428 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
12429
12430         PR target/34673
12431         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
12432         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
12433         Update copyright year.
12434
12435         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
12436         Update copyright year.
12437         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
12438         using NR fixup.
12439
12440 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
12441
12442         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
12443         edge does not point to current bb before changing need_assert.
12444
12445 2008-01-04  Richard Guenther  <rguenther@suse.de>
12446
12447         PR middle-end/34029
12448         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
12449         for verifying purposes if they are is_gimple_min_invariant.
12450
12451 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
12452
12453         PR tree-optimization/34448
12454         PR tree-optimization/34465
12455         * gimplify.c (gimplify_init_constructor): Add new parameter
12456         notify_temp_creation.  Use it.
12457         (gimplify_modify_expr_rhs): Take volatiles into account when
12458         optimizing constructors.
12459         Do not optimize constructors if gimplify_init_constructor will dump to
12460         memory.
12461         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
12462         * gcc.c-torture/compile/pr34448.c: New.
12463
12464 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
12465
12466         PR gcov-profile/34609
12467         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
12468         return_slot if result is TREE_ADDRESSABLE.
12469
12470 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
12471
12472         * config/mips/mips.md (sqrt_condition): Tweak comment.
12473         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
12474
12475 2008-01-03  Tom Tromey  <tromey@redhat.com>
12476
12477         PR c/34457
12478         * c-common.c (c_type_hash): Handle VLAs.
12479
12480 2008-01-03  Jan Hubicka  <jh@suse.cz>
12481
12482         PR tree-optimization/31081
12483         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
12484         0 when inlining and not inlining to first basic block.
12485         (remap_decl): When var is initialized to 0, don't set default_def.
12486         (expand_call_inline): Set entry_bb.
12487         * tree-inline.h (copy_body_data): Add entry_bb.
12488
12489 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
12490
12491         PR c++/34619
12492         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
12493         before returning.
12494
12495         PR tree-optimization/29484
12496         * tree-inline.c (inline_forbidden_p_2): New function.
12497         (inline_forbidden_p): Disallow inlining if some static var
12498         has an address of a local LABEL_DECL in its initializer.
12499         * doc/extend.texi (Labels as Values): Document &&foo behaviour
12500         vs. inlining.
12501
12502 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
12503
12504         PR tree-optimization/34635
12505         * tree-data-ref.c (add_other_self_distances): Make sure that the
12506         evolution step is constant.
12507
12508 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
12509
12510         PR middle-end/34608
12511         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
12512
12513 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
12514
12515         * tree-sra.c (scalarize_init): Insert the generate_element_init
12516         statements after the generate_element_zero statements.
12517
12518 2008-01-02  Richard Guenther  <rguenther@suse.de>
12519
12520         PR middle-end/34093
12521         PR middle-end/31976
12522         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
12523         for very large number of operands instead of ICEing.
12524
12525 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
12526
12527         PR target/34013
12528         * config/i386/i386.c (ix86_expand_prologue): Save red-zone
12529         while stack probing.
12530
12531 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
12532
12533         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
12534         in C++0x mode.
12535
12536 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
12537
12538         PR libmudflap/26442
12539         * tree-mudflap.c (mx_register_decls): Guard warning by
12540         !DECL_ARTIFICIAL check.
12541
12542 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
12543
12544         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
12545         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
12546         sse5_perm<mode>): Fix constraints.