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2008-04-07 Kenneth Zadeck <zadeck@naturalbridge.com>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2008-04-07  Kenneth Zadeck <zadeck@naturalbridge.com>
2
3         doc/rtl.texi: Rewrite of subreg section.
4         
5 2008-04-07  Kai Tietz  <kai.tietz@onevision.com>
6
7         PR/35842
8         * config/i386/i386.c (legitimize_pic_address): Add treating
9         of dllimport SYM_REF's.
10         (legitimize_dllimport_symbol): Add prototype.
11
12 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
13
14         * fold-const.c (fold) <ARRAY_REF>: New case.  Try to fold constant
15         reference in constructor with non self-referential type.
16
17 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
18
19         Removal of Return with Depressed Stack Pointer support
20         * tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete.
21         (ECF_SP_DEPRESSED): Likewise.
22         (ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust.
23         * calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED.
24         (flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED.
25         (expand_call): Do not test ECF_SP_DEPRESSED.
26         * dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED.
27         * function.c (keep_stack_depressed): Delete.
28         (handle_epilogue_set): Likewise.
29         (update_epilogue_consts): Likewise.
30         (emit_equiv_load): Likewise.
31         (thread_prologue_and_epilogue_insns): Remove support for Return with
32         Depressed Stack Pointer.
33         * print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED.
34
35 2008-04-06  Richard Guenther  <rguenther@suse.de>
36
37         PR tree-optimization/35400
38         * tree-vrp.c (vrp_evaluate_conditional): Only query value-range
39         information from SSA_NAMEs.
40
41 2008-04-06  Anatoly Sokolov <aesok@post.ru>
42
43         * config/avr/avr.h (avr_mega_p): Remove declaration.
44         (AVR_MEGA): Remove macro.
45         * config/avr/avr.c (avr_mega_p): Remove variable.
46         (avr_override_options): Remove inicializion of avr_mega_p.
47         Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
48         (print_operand): Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
49         (avr_jump_mode): (Ditto.).
50         (avr_output_progmem_section_asm_op): (Ditto.).
51         (avr_asm_init_sections): (Ditto.).
52         (avr_asm_init_sections): (Ditto.).
53         (avr_rtx_costs): (Ditto.).
54         * config/avr/avr.md: (Ditto.).
55         * config/avr/avr.h: Use '__AVR_HAVE_JMP_CALL__' instead of 
56         '__AVR_MEGA__'.
57
58 2008-04-06  Richard Guenther  <rguenther@suse.de>
59
60         PR tree-optimization/35842
61         * tree-ssa-address.c (fixed_address_object_p): Adjust to match
62         is_gimple_invariant_address.
63
64 2008-04-06  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
65
66         * gcc.c (default_compilers): Sync Fortran extensions list with
67         that in fortran/lang-specs.h.
68         * doc/invoke.texi: Likewise.
69         * dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
70         * dwarf2out.c (gen_compile_unit_die): Likewise.
71
72 2008-04-06  Tom G. Christensen  <tgc@jupiterrise.com>
73
74         * gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &.
75
76 2008-04-05  Uros Bizjak  <ubizjak@gmail.com>
77
78         PR target/12329
79         * config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
80         attribute is used for nested functions.
81
82 2008-04-05  Jan Hubicka  <jh@suse.cz>
83
84         * emit-rtl.c (init_emit): xcalloc regno_pointer_align.
85
86         * tree-dump.c (dump_enable_all): Remove prototype; do not accept
87         letter argument.
88         (dump_files): Update.
89         (enable_rtl_dump_file): Do not accept letter argument.
90         * tree-pass.h (dump_file_info): Remove letter argument.
91         * toplev.c (decode_d_option): Update -da handling.
92         * toplev.h (enable_rtl_dump_file): Update prototype.
93         * passes.c (register_one_dump_file): Do not accept IPA argument; work
94         it out based on pass type.
95         (register_dump_files_1): Likewise.
96         (init_optimization_passes): Update register_one_dump_file calls.
97         (execute_one_pass): Sanity check that IPA passes are called at IPA
98         level and RTL passes at RTL level.
99         (execute_pass_list): IPA pass can not be after or subpass of
100         GIMPLE/RTL pass.
101         (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
102         disallov RTL subpasses of IPA subpasses.
103
104 2008-04-05  Ben Elliston  <bje@au.ibm.com>
105
106         * tree-cfg.c (need_fake_edge_p): Return false for calls to
107         builtins that return exactly once and do not throw. Cache call to
108         call_expr_flags.
109
110 2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>
111
112         PR rtl-optimization/34916
113         PR middle-end/35519
114         * combine.c (create_log_links): Do not create duplicate LOG_LINKS
115         between instruction pairs.
116
117 2008-04-04  Naveen.H.S  <naveen.hs@kpitcummins.com>
118
119         * doc/invoke.texi: Document -mbitops for SH.
120         * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
121         * config/sh/predicates.md (bitwise_memory_operand): New predicate.
122         * config/sh/sh.c (print_operand): Add %t operand code.
123         * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
124         * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
125         (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
126         (extendqihi2): Likewise.
127         (movqi_i): Likewise.
128         (insv): Use bset, bclr and bst instructions for SH2A if possible.
129         (extv): Use bld instruction for SH2A if possible.
130         (extzv): Likewise.
131         (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
132         bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
133         bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
134         (bset.b, bclr.b): Define peepholes.
135         * config/sh/sh.opt (mbitops): New option.
136
137 2008-04-04  Janis Johnson  <janis187@us.ibm.com>
138
139         PR target/35620
140         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
141         and view convert expression.
142
143 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
144
145         PR target/35364
146         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
147
148 2008-04-04  H.J. Lu  <hongjiu.lu@intel.com>
149
150         * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.
151
152         * config/i386/cpuid.h (bit_AES): New.
153         (bit_PCLMUL): Likewise.
154
155         * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
156         (override_options): Handle PTA_AES and PTA_PCLMUL.  Enable
157         SSE2 if AES or PCLMUL is enabled.
158         (ix86_builtins): Add IX86_BUILTIN_AESENC128,
159         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
160         IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
161         IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
162         (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
163         (bdesc_2arg): Add IX86_BUILTIN_AESENC128,
164         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
165         IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
166         (bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
167         (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
168         __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
169         __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
170         __builtin_ia32_aeskeygenassist128 and
171         __builtin_ia32_pclmulqdq128.
172         * config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
173         (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
174         IX86_BUILTIN_PSRLDQI128.  Handle IX86_BUILTIN_AESKEYGENASSIST128.
175
176         * config/i386/i386.h (TARGET_AES): New.
177         (TARGET_PCLMUL): Likewise.
178         (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.
179
180         * config/i386/i386.md (UNSPEC_AESENC): New.
181         (UNSPEC_AESENCLAST): Likewise.
182         (UNSPEC_AESDEC): Likewise.
183         (UNSPEC_AESDECLAST): Likewise.
184         (UNSPEC_AESIMC): Likewise.
185         (UNSPEC_AESKEYGENASSIST): Likewise.
186         (UNSPEC_PCLMUL): Likewise.
187
188         * config/i386/i386.opt (maes): New.
189         (mpclmul): Likewise.
190
191         * config/i386/sse.md (aesenc): New pattern.
192         (aesenclast): Likewise.
193         (aesdec): Likewise.
194         (aesdeclast): Likewise.
195         (aesimc): Likewise.
196         (aeskeygenassist): Likewise.
197         (pclmulqdq): Likewise.
198
199         * config/i386/wmmintrin.h: New.
200
201         * doc/extend.texi: Document AES and PCLMUL built-in function.
202
203         * doc/invoke.texi: Document -maes and -mpclmul.
204
205 2008-04-04  Paolo Bonzini  <bonzini@gnu.org>
206
207         * function.c (free_after_parsing): Replace with
208         cxx_push_function_context from C++ front-end.
209         (allocate_struct_function): Don't call langhook.
210         * langhooks.h (struct lang_hooks_for_functions): Delete.
211         (struct lang_hooks): Add back missing_noreturn_ok_p here, delete
212         member "function".
213         * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
214         (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
215         LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
216         LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
217         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
218         remove LANG_HOOKS_FUNCTION_INITIALIZER.
219         * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.
220
221         * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
222         Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
223         
224 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
225
226         PR c/35440
227         * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
228         for all types.
229
230 2008-04-04  Richard Guenther  <rguenther@suse.de>
231
232         PR middle-end/35823
233         * fold-const.c (optimize_minmax_comparison): Use the correct
234         type for the constant in the simplified comparison.
235
236 2008-04-04  Zuxy Meng <zuxy.meng@gmail.com>
237
238         * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
239         Pass L2 size as "--param l2-cache-size" to the compiler.
240         (decode_l2_cache): New function to decode L2 cache parameters using
241         0x8000006 extended cpuid function.
242         (detect_caches_amd): Determine parameters of L2 cache using
243         decode_l2_caches function.
244         (decode_caches_intel): Decode L2 cache parameters.
245         (detect_caches_intel): Determine L2 cache parameters using
246         decode_caches_intel and decode_l2_caches functions.
247
248 2008-04-03  Bob Wilson  <bob.wilson@acm.org>
249
250         * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
251         secondary input reload for subword loads from the constant pool.
252
253 2008-04-03  Janis Johnson  <janis187@us.ibm.com>
254
255         PR target/35713
256         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
257           constants of the appropriate size for runtime calculations.
258
259         PR c/35712
260         * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
261           decimal-float literal constant zero.
262
263 2008-04-03  Jakub Jelinek  <jakub@redhat.com>
264
265         PR c/35738
266         * c-parser.c (c_parser_omp_atomic): Call
267         default_function_array_conversion on the RHS.
268
269         PR middle-end/35818
270         * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
271         call is_variable_sized if decl has incomplete type.
272
273 2008-04-03  H.J. Lu  <hongjiu.lu@intel.com>
274
275         * config/i386/i386-protos.h (ix86_aligned_p): Removed.
276
277 2008-04-03  Adam Nemet  <anemet@caviumnetworks.com>
278
279         * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
280         iterators.
281         (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and
282         leu.
283         (sgt<u>): Merge sgt and sgtu into new expander.
284         (sgt, sgtu): Remove expanders.
285         (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new
286         pattern.
287         (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
288         (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
289         *sgtu_<mode>_mips16 into new pattern.
290         (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
291         (sge<u>): Merge sge and sgeu into new expander.
292         (sge, sgeu): Remove expanders.
293         (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
294         new pattern.
295         (*sge_<mode>, second *sge_<mode>): Remove patterns.
296         (slt<u>): Merge slt and sltu into new expander.
297         (slt, sltu): Remove expanders.
298         (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new
299         pattern.
300         (*slt_<mode>, *sltu_<mode>): Remove patterns.
301         (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
302         *sltu_<mode>_mips16 into new pattern.
303         (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
304         (sle<u>): Merge sle and sleu into new expander.
305         (sle, sleu): Remove expanders.
306         (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new
307         pattern.
308         (*sle_<mode>, *sleu_<mode>): Remove patterns.
309         (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
310         *sleu_<mode>_mips16 into new pattern.
311         (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
312
313 2008-04-03  Jan Hubicka  <jh@suse.cz>
314
315         PR tree-optimization/35795
316         * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
317         * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
318         * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
319         * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
320         * score/score3.c (score3_output_mi_thunk): Likewise.
321         * score/score7.c (score7_output_mi_thunk): Likewise.
322         * mips/mips.c (mips_output_mi_thunk): Likewise.
323
324 2008-04-03  Richard Guenther  <rguenther@suse.de>
325
326         * tree-vrp.c (extract_range_from_unary_expr): Handle all
327         conversions.  Simplify code.
328
329 2008-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
330
331         * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
332
333 2008-04-03  Tom Tromey  <tromey@redhat.com>
334             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
335
336         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
337         * config/bfin/t-bfin-linux (generated_files): Add
338         linux-sysroot-suffix.h.
339         * doc/install.texi (Prerequisites): Require make 3.80.
340         * doc/sourcebuild.texi (Front End Directory): Document new
341         variable.
342         * Makefile.in (generated_files): New variable.
343         (ALL_HOST_OBJS): New variable.
344         ($(ALL_HOST_OBJS)): New target.
345
346 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
347
348         * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
349         (remap_block): Call id->transform_lang_insert_block instead
350         of langhook.
351         (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
352         Set id.transform_lang_insert_block to NULL.
353         (clone_body): Move to cp/optimize.c
354         * tree-inline.h (struct copy_body_data): Change
355         transform_lang_insert_block to function pointer.
356         (copy_generic_body, copy_decl_no_change): Export.
357         * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
358         * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
359         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
360
361         * c-tree.h (insert_block): Kill.
362         * c-decl.c (insert_block): Kill.
363
364 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
365
366         * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
367         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
368         * c-tree.h (c_push_function_context, c_pop_function_context): Remove
369         argument.
370         * c-decl.c (c_push_function_context, c_pop_function_context): Remove
371         argument, call {push,pop}_function_context from here.
372         * c-parser.c: Use c_{push,pop}_function_context.
373
374         * function.c (push_function_context_to): Move meat ...
375         (push_function_context): ... here.  Simplify.
376         * function.c (pop_function_context_from): Move meat ...
377         (pop_function_context): ... here.  Simplify.
378         * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
379         leave_nested).
380         * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
381         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
382         (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
383         * tree.h (push_function_context_to, pop_function_context_from): Remove.
384
385 2008-04-03  Ben Elliston  <bje@au.ibm.com>
386
387         * expmed.c (extract_force_align_mem_bit_field): Remove.
388
389 2008-04-03  Richard Guenther  <rguenther@suse.de>
390
391         PR middle-end/35800
392         * expr.h (try_casesi): Adjust prototype.
393         * expr.c (try_casesi): Take fallback label as extra parameter.
394         Use that for gen_casesi if default_label is NULL.
395         * stmt.c (expand_case): Pass fallback label to try_casesi,
396         make sure to fill gaps with a fallback label if default_label
397         is not present.
398
399 2008-04-03  Dominique d'Humieres <dominiq@lps.ens.fr>
400
401         PR target/35801
402         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
403
404 2008-04-03  Ben Elliston  <bje@au.ibm.com>
405
406         * expmed.c (extract_split_bit_field): Remove if (0) code.
407         * tree-ssa-structalias.c (do_sd_constraint): Likewise.
408         (do_ds_constraint): Likewise.
409
410 2008-04-02  Joseph Myers  <joseph@codesourcery.com>
411
412         * doc/cppopts.texi (-dU): Document.
413         * c-common.h (flag_dump_macros): Update comment.
414         * c-opts.c (handle_OPT_d): Handle -dU.
415         * c-ppoutput.c (macro_queue, define_queue, undef_queue,
416         dump_queued_macros, cb_used_define, cb_used_undef): New.
417         (init_pp_output): Handle -dU.
418         (cb_line_change): Call dump_queued_macros.
419         * toplev.c (decode_d_option): Accept -dU as preprocessor option.
420
421 2008-04-02  Anatoly Sokolov <aesok@post.ru>
422
423         * config/avr/predicates.md (io_address_operand): New predicate. 
424         * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
425         * config/avr/avr.c (avr_io_address_p): Remove function.
426         (out_movqi_r_mr): Use 'io_address_operand' predicate instead of 
427         'avr_io_address_p' function.
428         (out_movhi_r_mr): (Ditto.).
429         (out_movqi_mr_r): (Ditto.).
430         (out_movhi_mr_r): (Ditto.).
431         (avr_address_cost): (Ditto.).
432
433 2008-04-02  Uros Bizjak  <ubizjak@gmail.com>
434
435         * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
436         Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
437         in 32bit mode when XMM registers are available to avoid store
438         forwarding stalls.
439         (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
440         corresponding post-reload splitters.
441
442 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
443
444         * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
445         and __builtin_ia32_shufpd.  Provide __builtin_ia32_roundsd and
446         __builtin_ia32_roundss.
447         (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
448         __builtin_ia32_shufpd, __builtin_ia32_roundsd and
449         __builtin_ia32_roundss.
450         (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
451         IX86_BUILTIN_SHUFPD here.
452
453 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
454
455         * config/i386/i386.md (plogic): New.
456         (plogicprefix): Likewise.
457
458         * config/i386/mmx.md (mmx_<code><mode>3): New.
459         (mmx_and<mode>3): Removed.
460         (mmx_ior<mode>3): Likewise.
461         (mmx_xor<mode>3): Likewise.
462
463         * config/i386/sse.md (<code><mode>3): New.
464         (*<code><mode>3): Likewise.
465         (*<code><mode>3): Likewise.
466         (<code><mode>3): Likewise.
467         (*sse_<code><mode>3): Likewise.
468         (*sse2_<code><mode>3): Likewise.
469         (<code>tf3): Likewise.
470         (*<code>tf3): Likewise.
471         (and<mode>3): Likewise.
472         (*and<mode>3): Likewise.
473         (ior<mode>3): Removed.
474         (*ior<mode>3): Likewise.
475         (xor<mode>3): Likewise.
476         (*xor<mode>3): Likewise.
477         (*and<mode>3): Likewise.
478         (*ior<mode>3): Likewise.
479         (*xor<mode>3): Likewise.
480         (and<mode>3): Likewise.
481         (*sse_and<mode>3): Likewise.
482         (*sse2_and<mode>3): Likewise.
483         (andtf3): Likewise.
484         (*andtf3): Likewise.
485         (ior<mode>3): Likewise.
486         (*sse_ior<mode>3): Likewise.
487         (*sse2_ior<mode>3): Likewise.
488         (iortf3): Likewise.
489         (*iortf3): Likewise.
490         (xor<mode>3): Likewise.
491         (*sse_xor<mode>3): Likewise.
492         (*sse2_xor<mode>3): Likewise.
493         (xortf3): Likewise.
494         (*xortf3): Likewise.
495
496 2008-04-02  Richard Guenther  <rguenther@suse.de>
497
498         PR tree-optimization/14495
499         PR tree-optimization/34793
500         * tree-vrp.c (struct switch_update): New structure.
501         (to_remove_edges, to_update_switch_stmts): New VECs.
502         (simplify_switch_using_ranges): New function.  Remove not taken
503         case labels and edges.
504         (simplify_stmt_using_ranges): Call it.
505         (identify_jump_threads): Mark edges we have queued for removal
506         so we don't thread them.
507         (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
508         case label vector.
509         * tree-cfg.c (group_case_labels): Deal with missing default label.
510         (tree_verify_flow_info): Allow missing default label.
511         * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
512         (emit_case_nodes): Likewise.
513         (expand_case): Do not rely on the default label to be present.
514         * expr.c (try_casesi): Deal with NULL default_label.
515         (do_tablejump): Likewise.
516
517 2008-04-02  Richard Guenther  <rguenther@suse.de>
518
519         PR tree-optimization/14495
520         * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
521         SWITCH_EXPR here ...
522         (vrp_visit_switch_stmt): ... but here (new function).
523         (find_case_label_index): New helper function.
524         (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
525
526 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
527
528         * fwprop.c: Fix ISO-C99ism.
529
530 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
531
532         PR bootstrap/35752
533         * Makefile.in (objdir): Set it here.
534         * configure.ac: Not here.  Find dynamic linker characteristics.
535         * exec-tool.in: Use them.
536         * aclocal.m4: Regenerate.
537         * configure: Regenerate.
538
539 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
540
541         * expr.c (expand_var): Delete it.
542         * expr.h (expand_var): Delete prototype.
543         * function.c (expand_function_start): Use expand_decl instead.
544         * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
545         langhook.
546
547 2008-04-02  Andy Hutchinson <hutchinsonamdy@aim.com>
548
549         PR rtl-optimization/35542
550         * fwprop.c (forward_propagate_and_simplify): Replace
551         loc_reg_mentioned_in_p with reg_mentioned_p.
552
553 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
554
555         PR rtl-optimization/35281
556         * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
557         (propagate_rtx_1): Handle PR_HANDLE_MEM.
558         (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
559         (varying_mem_p): Move above propagate_rtx.
560         (all_uses_available_at): Do not check MEMs.
561
562 2008-04-02  Rafael Espindola  <espindola@google.com>
563
564         * tree-vrp.c (extract_code_and_val_from_cond): Remove.
565         (register_edge_assert_for_2): Split the cond argument.
566         (register_edge_assert_for_1): Adjust for the change in
567         register_edge_assert_for_2.
568         (register_edge_assert_for): Split the cond argument.
569         (find_switch_asserts): Adjust for the change in
570         register_edge_assert_for.
571
572 2008-04-02  Kai Tietz  <kai.tietz@onevision.com>
573
574         * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
575         * gcc/config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
576         offsets for 64-bit mingw.
577         * gcc/config/i386/i386.c (ix86_pass_by_reference): Correct calling
578         abi for x86_64-pc-mingw.
579
580 2008-04-02  Richard Guenther  <rguenther@suse.de>
581
582         * tree-vrp.c (extract_range_from_assert): Make sure to not
583         produce range min/max with TREE_OVERFOW set.
584         If merging a anti-range and a range keep the anti-range if
585         the range covers all values of the type.
586         (register_edge_assert_for_2): Only allow sign-changing
587         conversions in detecting canonical range checks.  Also
588         register an assert for the unsigned name if useful.
589
590         PR tree-optimization/35787
591         * tree-vrp.c (vrp_val_max): New function.
592         (vrp_val_min): Likewise.
593         (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
594         (vrp_val_is_min): Likewise.
595         (supports_overflow_infinity): Use vrp_val_{min,max}.
596         (negative_overflow_infinity): Likewise.
597         (positive_overflow_infinity): Likewise.
598         (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
599         (is_positive_overflow_infinity): Likewise.
600         (is_overflow_infinity): Likewise.
601         (avoid_overflow_infinity): Use vrp_val_{min,max} and
602         vrp_val_is_{min,max}.
603         (set_and_canonicalize_value_range): Canonicalize anti-ranges
604         to ranges if possible.  Avoid empty ranges.
605
606 2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
607
608         PR middle-end/35705
609         * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
610         the expression is a function address.
611
612 2008-04-01  George Helffrich  <george@gcc.gnu.org>
613
614         PR fortran/PR35154, fortran/PR23057
615         * fortran/trans-common.c (create_common):  Add decl to function
616         chain to preserve identifier scope in debug output.
617
618         * dbxout.c: Emit .stabs debug info for Fortran COMMON block
619         variables as base symbol name + offset using N_BCOMM/N_ECOMM.
620         (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
621         (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
622         in common.
623         (dbxout_syms): Check for COMMON-based symbol and wrap in
624         N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
625         in bracket for efficiency.
626
627         * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
628         using DW_TAG_common_block + member offset.
629         (add_pubname_string): New function.
630         (dw_expand_expr): New function to find block name and offset for
631         COMMON var.
632         (common_check): New function to check whether symbol in Fortran COMMON.
633         (gen_variable_die): If COMMON, use DW_TAG_common_block.
634
635         * testsuite/gcc.dg/debug/pr35154.c:  New test to check that non-Fortran
636         use of common is unchanged.
637
638         * testsuite/lib/gfortran-dg.exp:  New harness to compile Fortran progs
639         with all combinations of debug options available on target.
640         * testsuite/gfortran.dg/debug/debug.exp:  Ditto.
641         * testsuite/gfortran.dg/debug/trivial.f:  Ditto.
642         * testsuite/gfortran.dg/debug/pr35154-stabs.f:  New test case for
643         .stabs functionality.
644         * testsuite/gfortran.dg/debug/pr35154-dwarf2.f:  New test case for
645         DWARF functionality.
646
647 2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>
648
649         PR c/35436
650         * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
651
652 2008-04-02  Ben Elliston  <bje@au.ibm.com>
653
654         * config/v850/v850.md (casesi): Remove if (0) code.
655         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
656         * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
657
658 2008-04-01  Uros Bizjak  <ubizjak@gmail.com>
659
660         * config/i386/i386.md (rex64suffix): New mode attribute.
661         (floathi<mode>2): Disable expander for SSE math.
662         (*floathi<mode>2_1): New insn insn_and_split pattern.
663         (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
664         corresponding post-reload splitters.
665         (*floathi<mode>2_i387): New macroized insn pattern.
666         (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
667         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
668         insn_and_split pattern.
669         (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
670         New macroized instruction patterns and corresponding post-reload
671         splitters.
672         (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
673         and corresponding post-reload splitters.
674         (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
675         New macroized instruction patterns.
676         (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
677         macroized instruction patterns and corresponding post-reload splitters.
678         (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
679         corresponding post-reload splitters.
680         (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
681         New macroized instruction patterns.
682         (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
683         corresponding post-reload splitters.
684         (*floatsi<mode>2_i387): New macroized instruction patterns.
685
686 2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>
687
688         * config/i386/i386.md (smaxmin): New.
689         (umaxmin): Likewise.
690         (maxminiprefix): Likewise.
691         (maxminfprefix): Likewise.
692         (<code><mode>3): Likewise.
693         (smin<mode>3): Removed.
694         (smax<mode>3): Likewise.
695
696         * config/i386/mmx.md (mmx_<code>v2sf3): New.
697         (mmx_<code>v4hi3): Likewise.
698         (mmx_<code>v8qi3): Likewise.
699         (mmx_smaxv2sf3): Removed.
700         (mmx_sminv2sf3): Likewise.
701         (mmx_umaxv8qi3): Likewise.
702         (mmx_smaxv4hi3): Likewise.
703         (mmx_uminv8qi3): Likewise.
704         (mmx_sminv4hi3): Likewise.
705
706         * config/i386/sse.md (<addsub><mode>3): New.
707         (*<addsub><mode>3): Likewise.
708         (<sse>_vm<addsub><mode>3): Likewise.
709         (<maxmin><mode>3): Likewise.
710         (*<maxmin><mode>3_finite): Likewise.
711         (*<maxmin><mode>3): Likewise.
712         (<sse>_vm<maxmin><mode>3): Likewise.
713         (sse3_h<addsub>v4sf3): Likewise.
714         (sse3_h<addsub>v2df3): Likewise.
715         (<maxmin>v16qi3): Likewise.
716         (*<maxmin>v16qi3): Likewise.
717         (<maxmin>v8hi3): Likewise.
718         (*<maxmin>v8hi3): Likewise.
719         (*sse4_1_<maxmin><mode>3): Likewise.
720         (*sse4_1_<maxmin><mode>3): Likewise.
721         (add<mode>3): Removed.
722         (*add<mode>3): Likewise.
723         (<sse>_vmadd<mode>3): Likewise.
724         (sub<mode>3): Likewise.
725         (*sub<mode>3): Likewise.
726         (<sse>_vmsub<mode>3): Likewise.
727         (smin<mode>3): Likewise.
728         (*smin<mode>3_finite): Likewise.
729         (*smin<mode>3): Likewise.
730         (<sse>_vmsmin<mode>3): Likewise.
731         (smax<mode>3): Likewise.
732         (*smax<mode>3_finite): Likewise.
733         (*smax<mode>3): Likewise.
734         (<sse>_vmsmax<mode>3): Likewise.
735         (sse3_haddv4sf3): Likewise.
736         (sse3_haddv2df3): Likewise.
737         (sse3_hsubv4sf3): Likewise.
738         (sse3_hsubv2df3): Likewise.
739         (umaxv16qi3): Likewise.
740         (*umaxv16qi3): Likewise.
741         (smaxv8hi3): Likewise.
742         (*smaxv8hi3): Likewise.
743         (*sse4_1_smax<mode>3): Likewise.
744         (*sse4_1_umax<mode>3): Likewise.
745         (uminv16qi3): Likewise.
746         (*uminv16qi3): Likewise.
747         (sminv8hi3): Likewise.
748         (*sminv8hi3): Likewise.
749         (*sse4_1_smin<mode>3): Likewise.
750         (*sse4_1_umin<mode>3): Likewise.
751
752 2008-04-01  Rafael Espindola  <espindola@google.com>
753
754         * tree-cfg.c (verify_expr): remove in_phi.
755         (verify_stmt): Don't call walk_tree with verify_expr. Use
756         is_gimple_min_invariant instead of is_gimple_val.
757
758 2008-04-01  Joseph Myers  <joseph@codesourcery.com>
759
760         * doc/include/gpl_v3.texi: Update for manpage generation.
761         * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
762         gpl.texi.
763         * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
764         * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
765         gpl_v3.texi instead of gpl.texi.
766         (gpl.pod): New.
767
768 2008-04-01  Jakub Jelinek  <jakub@redhat.com>
769
770         PR pch/13675
771         * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
772
773 2008-04-01  Rafael Espindola  <espindola@google.com>
774
775         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
776         (extract_code_and_val_from_cond): Use
777         extract_code_and_val_from_cond_with_ops.
778
779 2008-04-01  Jan Hubicka  <jh@suse.cz>
780
781         * function.c (free_after_compilation): Free epilogue_delay_list.
782         (prepare_function_start): Assert that previous compilation was freed.
783
784 2008-04-01  Jan Hubicka  <jh@suse.cz>
785             Jim Wilson  <wilson@tuliptree.org>
786             Andreas Tobler <andreast@gcc.gnu.org>
787
788         PR middle-end/35781
789         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
790         rtl.emit instead cfun->emit.
791         * sparc/sparc.h (INIT_EXPANDERS): Likewise.
792         * ia64/ia64.h (INIT_EXPANDERS): Likewise.
793
794 2008-04-01  Ben Elliston  <bje@au.ibm.com>
795
796         * doc/c-tree.texi (Function Basics): Fix grammatical error.
797
798 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
799
800         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
801         New options
802         (fprofile-use): Add var flag_profile_use
803         * coverage.c (coverage_begin_output): Do not open a gcno file for
804         output only if -ftest-coverage is set.
805         Do not add getpwd() to gcda file path.
806         (build_gcov_info): Check the new flag
807         flag_profile_datafile_relative_path.
808         (coverage_init): Use profile_data_prefix.
809         Read profile counter only if flag_profile_use is set.
810         * opts.c (common_handle_option): New option fprofile-use=,
811         fprofile-dir=, fprofile-generate=.
812         * toplev.c (profile_data_prefix): New variable definition.
813         * toplev.h (profile_data_prefix): New declaration.
814         * doc/invoke.tex (Option Summary, Optimization Options):
815         Add new options.
816
817 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
818
819         * varasm.c (output_constant_pool_1): In LABEL_REF check,
820         use tmp consistently.
821
822         PR target/35695
823         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
824         * config/ia64/ia64.c (rtx_needs_barrier): Handle
825         UNSPEC_FR_RECIP_APPROX_RES.
826         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
827
828 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
829
830         PR c/35750
831         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
832
833 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
834
835         PR middle-end/30186
836         * fold-const.c (fold_indirect_ref_1): Support accessing non first
837         element of the vector via a pointer.
838
839 2008-03-31  Ian Lance Taylor  <iant@google.com>
840
841         * tlink.c (scan_linker_output): Look for symbol name in single quotes.
842
843 2008-03-31  Jan Hubicka  <jh@suse.cz>
844
845         * builtins.c (expand_builtin_setjmp_receiver): Update call of
846         get_arg_pointer_save_area.
847         * expr.c (init_expr): Just clear out rtl.expr.
848         * function.c (free_after_compilation): Clear out whole RTL structure.
849         (get_func_frame_size): Merge into ...
850         (get_frame_size): ... this one.
851         (assign_stack_local_1): Merge into ...
852         (assign_stack_local): ... this one.
853         (expand_function_end): Update call of get_arg_pointer_save_area.
854         (get_art_pointer_save_area): Remove cfun argument.
855         * function.h (emit_status): regno_pointer_align does not need length
856         attribute. Move x_regno_reg_rtx to ...
857         (regno_reg_rtx): ... new global array.
858         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
859         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
860         apply_args_value, forced_labels, stack_pointer_delta):
861         Update accestors.
862         (struct varasm_status): Move here from varasm.c
863         (struct rtl_data): New. Move here some fields from struct function.
864         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
865         frame_offset, stack_check_probe_note, arg_pointer_save_area,
866         used_temp_slots avail_temp_slots, temp_slot_level,
867         nonlocal_goto_handler_labels): Update accesstors.
868         (rtl): New global variable.
869         (struct function): Move some fileds to rtl_data.
870         (get_arg_pointer_save_area): Update prototype.
871         * emit-rtl.c (rtl): Declare.
872         (regno_reg_rtx): Declare.
873         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
874         Update.
875         (gen_reg_rtx): Update.
876         (init_virtual_regs): Do not tate emit_status argument.
877         (init_emit): Do not allocate emit.
878         * varasm.c (varasm_statuc): Move to function.h.
879         (n_deferred_constatns): Update accestor.
880         (init_varasm_status): Do not allocate varasm_status.
881         (force_const_mem, get_pool_size, output_constant_pool): Update.
882         * stmt.c (force_label_rtx): Do not use x_ prefixes.
883         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
884
885 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
886
887         PR rtl-optimization/35729
888         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
889         references.
890
891 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
892
893         PR target/32000
894         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
895         load/store if memory is unaligned.
896         (*movti_rex64): Likewise.
897
898         * config/i386/predicates.md (misaligned_operand): New.
899
900 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
901
902         PR tree-opt/35431
903         * tree-ssa-phiopt.c (conditional_replacement): Return early for
904         complex types.
905
906 2008-03-31  Jan Beulich  <jbeulich@novell.com>
907
908         * config/ia64/constraints.md: Add 'j' constraint.
909         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
910         (movdi_internal): Likewise.
911
912 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
913
914         PR c/35748
915         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
916
917 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
918
919         PR target/35757
920         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
921         proper error message for the third argument on blendpd and
922         blendps.
923
924         * config/i386/sse.md (blendbits): New.
925         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
926
927 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
928
929         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
930
931 2008-03-30  Richard Guenther  <rguenther@suse.de>
932
933         PR middle-end/31023
934         * fold-const.c (fold_sign_changed_comparison): Do leave
935         conversions to base-types alone.
936
937 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
938
939         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
940         the link register if one altivec register is be saved.
941
942 2008-03-30  Ben Elliston  <bje@au.ibm.com>
943
944         * final.c (final_scan_insn): Remove if (0) code.
945
946 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
947
948         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
949
950 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
951
952         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
953         of V4SFmode to ix86_binary_operator_ok.
954
955 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
956
957         * config/i386/i386.c (override_options): Initialize
958         ix86_veclib_handler to ix86_veclibabi_svml when
959         -mveclibabi=svml is used.
960         (ix86_veclibabi_svml): New function for SVML ABI style
961         vectorization support.
962         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
963
964 2008-03-28  Rafael Espindola  <espindola@google.com>
965
966         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
967         (tree_binary_nonnegative_warnv_p): Make it public.
968         (tree_single_nonnegative_warnv_p): Make it public.
969         (tree_invalid_nonnegative_warnv_p): Make it public.
970         (tree_unary_nonzero_warnv_p): Make it public.
971         (tree_binary_nonzero_warnv_p): Make it public
972         (tree_single_nonzero_warnv_p): Make it public.
973         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
974         (extract_range_from_binary_expr): Split the expr argument.
975         (extract_range_from_unary_expr): Split the expr argument.
976         (extract_range_from_comparison): Split the expr argument.
977         (extract_range_from_expr): Use the new aux functions.
978         (vrp_evaluate_conditional_warnv): Use
979         vrp_evaluate_conditional_warnv_with_ops.
980         * tree.h (tree_unary_nonzero_warnv_p): Declare.
981         (tree_binary_nonzero_warnv_p): Declare.
982         (tree_single_nonzero_warnv_p): Declare.
983         (tree_expr_nonzero_warnv_p): Declare.
984         (tree_unary_nonnegative_warnv_p): Declare.
985         (tree_binary_nonnegative_warnv_p): Declare.
986         (tree_single_nonnegative_warnv_p): Declare.
987         (tree_invalid_nonnegative_warnv_p): Declare.
988
989 2008-03-28  Richard Guenther  <rguenther@suse.de>
990
991         PR tree-optimization/30317
992         PR tree-optimization/30911
993         PR tree-optimization/34793
994         * tree-vrp.c (set_and_canonicalize_value_range): New function.
995         (struct assert_locus_d): New member EXPR.
996         (register_new_assert_for): Add EXPR parameter to support
997         ASSERT_EXPR <name, expr OP limit>.
998         (register_edge_assert_for_1): Adjust callers.
999         (find_assert_locations): Likewise.
1000         (process_assert_insertions_for): Build condition from expression.
1001         (extract_range_from_assert): Handle ASSERT_EXPRs
1002         of the form ASSERT_EXPR <name, expr OP limit>.
1003         (register_edge_assert_for_2): New helper registering
1004         asserts for comparisons.  Recognize range tests of the form
1005         (unsigned)i - CST1 OP CST2.
1006         (register_edge_assert_for_1): Use it.
1007         (register_edge_assert_for): Likewise.
1008         (needs_overflow_infinity): Integer sub-types
1009         do not need overflow infinities.
1010         (vrp_val_is_max): The extreme values of integer sub-types
1011         are those of the base type.
1012         (vrp_val_is_min): Likewise.
1013         * tree.def (ASSERT_EXPR): Document extra allowed conditional
1014         expressions.
1015
1016 2008-03-28  Nick Clifton  <nickc@redhat.com>
1017
1018         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
1019         Return GENERAL_REGS for stack adjustment reloads.
1020
1021 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1022
1023         PR target/31334
1024         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
1025         const_vector when all the vectors are constant.
1026
1027 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
1028
1029         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
1030         comparisons.
1031         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
1032         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
1033         (scc_sf): New.
1034         (s<code>_sf): Use new scc_sf attribute for opcode names.
1035
1036 2008-03-27  Tom Tromey  <tromey@redhat.com>
1037
1038         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
1039         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
1040         config/spu/t-spu-elf, config/i386/t-interix,
1041         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
1042         config/i386/x-darwin, config/i386/x-mingw32,
1043         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
1044         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
1045         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
1046         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
1047         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
1048         config/rs6000/x-darwin, config/rs6000/t-rs6000,
1049         config/score/t-score-elf, config/arm/t-strongarm-pe,
1050         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
1051         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
1052         Revert automatic dependency patch.
1053
1054 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
1055
1056         PR target/35657
1057         * config/i386/i386.c (ix86_function_arg_boundary): Align
1058         decimal floating point to its natural boundary.
1059
1060 2008-03-27  Richard Guenther  <rguenther@suse.de>
1061
1062         PR middle-end/35716
1063         * fold-const.c (fold_comparison): Restrict distinct decl
1064         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
1065         solely rely on operand_equal_p.
1066
1067 2008-03-27  Richard Guenther  <rguenther@suse.de>
1068
1069         PR c/32511
1070         * c-common.c (handle_weak_attribute): Reject combination of
1071         weak and inline.
1072
1073 2008-03-27  Richard Guenther  <rguenther@suse.de>
1074
1075         PR tree-optimization/32810
1076         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
1077         conversions from DECL_INITIAL.
1078         (fold_const_aggregate_ref): Likewise from constructor elements.
1079
1080 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
1081
1082         * tree-affine.h (aff_combination_expand): Declare.
1083         (get_inner_reference_aff): Likewise.
1084         * tree-affine.c (aff_combination_expand): Split out from
1085         tree_to_aff_combination_expand.
1086         (get_inner_reference_aff): New function.
1087         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
1088         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
1089         (struct lim_aux_data): sm_done field removed.
1090         (mem_ref_loc_p, mem_ref_locs_p): New types.
1091         (struct mem_ref): Added id, stored, accesses_in_loop,
1092         indep_loop, dep_loop, indep_ref, dep_ref fields.
1093         Removed is_stored, locs and next fields.
1094         (memory_accesses): New variable.
1095         (movement_possibility): Do not allow moving statements
1096         that store to memory.
1097         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
1098         New functions.
1099         (determine_max_movement): For statements with memory references,
1100         find the outermost loop in that the reference is independent.
1101         (move_computations_stmt): Mark the virtual operands for renaming.
1102         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
1103         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
1104         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
1105         add_vop_ref_mapping, create_vop_ref_mapping_loop,
1106         create_vop_ref_mapping, analyze_memory_references,
1107         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
1108         get_all_locs_in_loop, ref_always_accessed_p,
1109         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
1110         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
1111         store_motion_loop, store_motion): New functions.
1112         (struct vop_to_refs_elt): New type.
1113         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
1114         memref_hash, memref_eq, hoist_memory_references): Rewritten.
1115         (schedule_sm): Replaced by...
1116         (execute_sm): ... this.
1117         (determine_lsm_ref, hoist_memory_references,
1118         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
1119         find_more_ref_vops, free_mem_ref, free_mem_refs,
1120         determine_lsm_loop, determine_lsm): Removed.
1121         (tree_ssa_lim_finalize): Free data structures used by store motion.
1122         (tree_ssa_lim): Call analyze_memory_references.  Use
1123         store_motion instead of determine_lsm.
1124
1125 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
1126
1127         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
1128         rename tmake_file to m68hc11/t-m68hc11.
1129         (mcore): Set inhibit_libc to true.
1130         * config.host (alpha*-dec-*vms*): Set extra_programs.
1131         (interix3*): Don't use host_xmake_file.
1132         * configure.ac: Let config.gcc override inhibit_libc.
1133         * configure: Regenerate.
1134
1135         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
1136         * config/t-openbsd-thread: Remove commented out lines.
1137         
1138         * config/x-interix: Remove.
1139
1140         * config/m68hc11/t-m68hc11-gas: Rename to...
1141         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
1142
1143         * config/mcore/t-mcore: Remove T_CFLAGS.
1144         * config/mcore/t-mcore-pe: Likewise.
1145
1146 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
1147
1148         * configure.ac: Replace custom __GNU_SOURCE test with
1149         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
1150         * aclocal.m4: Regenerate.
1151         * configure: Regenerate.
1152         * config.in: Regenerate.
1153
1154 2008-03-27  Richard Guenther  <rguenther@suse.de>
1155
1156         * fold-const.c (target.h): Include.
1157         (fold_comparison): Fold comparison of addresses of decls
1158         that bind locally or of constants.  Consolidate address folding code.
1159         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
1160         results from fold_binary_to_constant.
1161         (compare_values_warnv): Likewise.
1162
1163 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
1164
1165         PR middle-end/35429
1166         * fold-const.c (fold_truthop): Check for integeral types when folding
1167         a == 0 && b == 0 and a != 0 || b != 0 .
1168
1169 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
1170
1171         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
1172
1173 2008-03-26  Andreas Schwab  <schwab@suse.de>
1174
1175         * doc/invoke.texi: Fix use of @item vs. @itemx.
1176
1177 2008-03-26  Tom Tromey  <tromey@redhat.com>
1178
1179         * Makefile.in (build/gensupport.o, build/print-rtl.o,
1180         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
1181         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
1182         build/gencodes.o, build/genconditions.o, build/genconfig.o,
1183         build/genconstants.o, build/genemit.o, build/genextract.o,
1184         build/genflags.o, build/genmddeps.o, build/genopinit.o,
1185         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
1186         options.h.
1187
1188 2008-03-26  Richard Guenther  <rguenther@suse.de>
1189
1190         Revert
1191         2008-03-26  Richard Guenther  <rguenther@suse.de>
1192
1193         * fold-const.c (target.h): Include.
1194         (fold_comparison): Fold comparison of addresses of two decls
1195         that bind locally.  Consolidate address folding code.
1196
1197 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1198
1199         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
1200         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
1201         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
1202         dconstsqrt2, dconstthird, dconste and/or dconst10.
1203         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
1204         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
1205         dconstsqrt2, dconste): Delete.
1206         (init_emit_once): Likewise.  Simplify initializing dconstm1.
1207         Constify variable.
1208         * real.c (get_real_const): New.
1209         * real.h (dconst3, dconst10, dconstm2, dconstthird,
1210         dconstsqrt2, dconste): Delete.
1211         (real_value_const, get_real_const): New.
1212
1213 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
1214
1215         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
1216
1217         * config/i386/i386.c (ix86_function_arg_boundary): Check
1218         BIGGEST_ALIGNMENT instead of 128.
1219         (setup_incoming_varargs_64): Likewise.
1220
1221 2008-03-26  Tom Tromey  <tromey@redhat.com>
1222
1223         * Makefile.in (DEPFILES): Add missing '/'.
1224
1225 2008-03-26  Richard Guenther  <rguenther@suse.de>
1226
1227         * fold-const.c (target.h): Include.
1228         (fold_comparison): Fold comparison of addresses of two decls
1229         that bind locally.  Consolidate address folding code.
1230
1231 2008-03-26  Nick Clifton  <nickc@redhat.com>
1232
1233         PR target/31232
1234         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
1235         not allow INT+INT as a legitimate addressing mode.
1236
1237 2008-03-26  Richard Guenther  <rguenther@suse.de>
1238
1239         * tree-flow.h (widen_bitfield): Remove declaration.
1240         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
1241         (widen_bitfield): Remove function.
1242         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
1243         code.
1244
1245 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1246
1247         PR target/31558
1248         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
1249         error_mark_node's.
1250
1251 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
1252
1253         PR rtl-optimization/35232
1254         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
1255         (forget_old_reloads_1, forget_marked_reloads): Don't clear
1256         reg_reloaded_call_part_clobbered here.
1257         (reload_regs_reach_end_p): New function.
1258         (reload_reg_rtx_for_input): New variable.
1259         (reload_reg_rtx_for_output): Likewise.
1260         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
1261         when reassigning a pseudo register.  Load reloadreg from 
1262         reload_reg_rtx_for_input, moving the mode and register
1263         calculation to...
1264         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
1265         instead of the original when deciding whether an input reload
1266         would be a no-op or whether an output reload can be deleted.
1267         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
1268         when setting up new_spill_reg_store.  Load it from
1269         reload_reg_rtx_for_output, moving the mode and register
1270         calculation to...
1271         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
1272         instead of the original when deciding whether an output reload
1273         would be a no-op.  Do the same when modifying insn notes.
1274         Use rtx_equal_p instead of == to compare the registers.
1275         (inherit_piecemeal_p): Take a mode and two register numbers
1276         as argument.
1277         (emit_reload_insns): Clear new_spill_reg_store for every hard
1278         register in the reload register.  Remove spill registers
1279         from reg_reloaded_valid before considering whether to record
1280         inheritance information for them.  Use reload_reg_rtx_for_output
1281         instead of reg_rtx when recording output reloads.  Use
1282         reload_reg_rtx_for_input instead of reg_rtx when recording
1283         input reloads.  Set or clear reg_reloaded_call_part_clobbered
1284         at the same time as setting reg_reloaded_valid.
1285         (delete_output_reload): Add a new_reload_reg parameter and use it
1286         instead of rld[j].reg_rtx.
1287         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
1288         calls accordingly.
1289
1290 2008-03-25  Tom Tromey  <tromey@redhat.com>
1291
1292         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
1293         (build/genattr.o): Likewise.
1294         (build/genattrtab.o): Likewise.
1295         (build/gencodes.o): Likewise.
1296         (build/genconfig.o): Likewise.
1297         (build/genconstants.o): Likewise.
1298         (build/genemit.o): Likewise.
1299         (build/genextract.o): Likewise.
1300         (build/genflags.o): Likewise.
1301
1302 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
1303         
1304         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
1305         instead of size_int for integer types.
1306         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
1307         to match type of MINUS_EXPR.
1308         
1309 2008-03-25  Tom Tromey  <tromey@redhat.com>
1310
1311         * configure: Rebuilt.
1312         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
1313         Makefile.
1314
1315 2008-03-25  Tom Tromey  <tromey@redhat.com>
1316
1317         * config/x-solaris (host-solaris.o): Update.
1318         * config/x-linux (host-linux.o): Update.
1319         * config/x-hpux (host-hpux.o): Update.
1320         * config/x-darwin (host-darwin.o): Update.
1321         * config/v850/t-v850e (v850-c.o): Update.
1322         * config/v850/t-v850 (v850-c.o): Update.
1323         * config/t-vxworks (vxworks.o): Update.
1324         * config/t-sol2 (sol2-c.o, sol2.o): Update.
1325         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
1326         * config/spu/t-spu-elf (spu-c.o): Update.
1327         (spu.o): Remove.
1328         * config/sh/t-symbian (sh-c.o): Update.
1329         (symbian.o): Update.
1330         * config/sh/t-sh (sh-c.o): Update.
1331         * config/score/t-score-elf (score7.o, score3.o): Update.
1332         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
1333         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
1334         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
1335         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
1336         (rs6000.o): Remove.
1337         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
1338         * config/m32c/t-m32c (m32c-pragma.o): Update.
1339         * config/ia64/t-ia64 (ia64-c.o): Update.
1340         * config/i386/x-mingw32 (host-mingw32.o): Update.
1341         * config/i386/x-i386 (driver-i386.o): Update.
1342         * config/i386/x-darwin (host-i386-darwin.o): Update.
1343         * config/i386/x-cygwin (host-cygwin.o): Update.
1344         * config/i386/t-nwld (nwld.o): Update.
1345         * config/i386/t-netware (netware.o): Update.
1346         * config/i386/t-interix (winnt.o): Update.
1347         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
1348         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
1349         msformat-c.o): Update.
1350         * config/bfin/t-bfin-linux (generated_files): Add
1351         linux-sysroot-suffix.h.
1352         * config/arm/t-wince-pe (pe.o): Update.
1353         * config/arm/t-strongarm-pe (pe.o): Update.
1354         * config/arm/t-pe (pe.o): Update.
1355         * config/arm/t-arm (arm-c.o): Update.
1356         * doc/install.texi (Prerequisites): Require make 3.80.
1357         * Makefile.in: Remove .o targets.
1358         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
1359         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
1360         (simple_generated_h, simple_generated_c): Move earlier.
1361         (generated_files): New variable.
1362         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
1363         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
1364         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
1365         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
1366         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
1367         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
1368         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
1369         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
1370         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
1371         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
1372         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
1373         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
1374         (.c.o): Remove.
1375         (COMPILE.base, COMPILE): New variables.
1376         (%.o): New pattern rule.
1377         (ALL_HOST_OBJS): New variable.
1378         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
1379         (dummy-checksum.o, cc1-checksum.o): Remove.
1380         (DRIVER_SHLIB): New variable.
1381         (DRIVER_DEFINES): Use it.
1382         (gencondmd.c): Move out of build/.
1383         (s-conditions): Update.
1384         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
1385         (ALL_BUILD_OBJS): Likewise.
1386         (build/%.o): Use BUILDCOMPILE.
1387         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
1388         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
1389         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
1390         build/gencheck.o, build/gencodes.o, build/genconditions.o,
1391         build/genconfig.o, build/genconstants.o, build/genemit.o,
1392         build/genextract.o, build/genflags.o, build/genmddeps.o,
1393         build/genopinit.o, build/genoutput.o, build/genpeep.o,
1394         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
1395         build/gen-protos.o, build/scan.o, build/fix-header.o,
1396         build/scan-decls.o): Simplify.
1397         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
1398         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
1399         prefix.o, toplev.o): Reduce to variable setting.
1400         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
1401         ($(out_object_file), gcc-options.o): New targets.
1402         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
1403         * configure: Rebuilt.
1404         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
1405         * doc/sourcebuild.texi (Front End Directory): Document new variable.
1406
1407 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
1408
1409         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
1410         complain when we hit an error, return ERROR_MARK_NODE.
1411
1412 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
1413
1414         * config/sh/constraints.md (Pso, Psz): New constraints.
1415         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
1416         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
1417
1418 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
1419
1420         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
1421         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
1422
1423 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
1424
1425         * config/sh/sh.md (prefetch): Add condition for SH2A target.
1426         (prefetch_sh2a): New.   
1427
1428 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
1429             Naveen.H.S  <naveen.hs@kpitcummins.com>
1430
1431         * config/sh/constraints.md (I28): New constraint.
1432         * config/sh/sh.c (broken_move): Add support for movi20s.
1433         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
1434
1435 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
1436             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
1437             Naveen.H.S  <naveen.hs@kpitcummins.com>
1438
1439         * config/sh/sh.c (SH_ATTRIBUTES): Define.
1440         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
1441         (print_operand): Handle resbank in %@ operand code.
1442         (sh_encode_section_info): New.
1443         (push_regs): Add conditions for resbank.
1444         (sh_expand_epilogue): Likewise.
1445         (sh_insert_attributes): Likewise.
1446         (sh_attribute_table): Likewise.
1447         (sh_handle_resbank_handler_attribute): New.
1448         (sh2a_handle_function_vector_handler_attribute): New.
1449         (sh2a_is_function_vector_call): New.
1450         (sh2a_get_function_vector_number): New.
1451         (sh2a_function_vector_p): New.
1452         (sh_cfun_resbank_handler_p): New.
1453         * config/sh/sh.md (calli): Emit jsr/n if possible.
1454         (calli_tbr_rel): New.
1455         (calli_pcrel): Emit jsr/n if possible.
1456         (return_i): Emit rts/n if possible.
1457         (call_valuei_tbr_rel): New.
1458         (call_valuei_pcrel): Add condition for SH2A target.
1459         (call_value): Likewise.
1460         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
1461         (sh2a_get_function_vector_number): Likewise.
1462         (sh2a_is_function_vector_call): Likewise.
1463         * doc/extend.texi: Document TBR relative addressing of SH2A.
1464         (resbank): Add description for SH2A.
1465
1466 2008-03-24  Richard Guenther  <rguenther@suse.de>
1467
1468         PR c/22371
1469         * gimplify.c (gimplify_modify_expr): For frontend type-correct
1470         pointer assignments change conversions according to middle-end rules.
1471         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
1472         * configure.ac: Include type checking in yes.
1473         * configure: Regenerate.
1474
1475 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1476
1477         * diagnostic.c (diagnostic_count_diagnostic): Delete.
1478         (diagnostic_report_diagnostic): Update. Handle ICEs here.
1479         
1480 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
1481
1482         * gthr-vxworks.h (UNUSED): Define.
1483
1484 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
1485
1486         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
1487
1488 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
1489
1490         * doc/extend.texi (Function Attributes): Add missing comma in the
1491         example of the "alloc_size" attribute.
1492         
1493 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
1494
1495         Revert:
1496         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
1497
1498         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1499         32bit host.
1500
1501         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
1502
1503         PR target/35496
1504         * stor-layout.c (update_alignment_for_field): Set minimum alignment
1505         of the underlying type of a MS bitfield layout to the natural
1506         alignment of the type.
1507
1508         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
1509
1510         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
1511         to their natural alignment to avoid store forwarding stalls.
1512
1513 2008-03-22  Richard Guenther  <rguenther@suse.de>
1514
1515         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
1516         For PHI nodes verify the address is invariant.
1517         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
1518         (get_symbol_constant_value): Use is_gimple_min_invariant.
1519         (maybe_fold_stmt_indirect): Likewise.
1520
1521 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
1522
1523         PR rtl-optimization/33927
1524         * Makefile.in (dse.o): Depend on $(TM_P_H).
1525         * expr.h (extract_low_bits): Declare.
1526         * expmed.c (extract_low_bits): New function.
1527         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
1528         * dse.c: Include tm_p.h.
1529         (find_shift_sequence): Remove the read_reg argument and return the
1530         read value.  Emit the instructions instead of returning them.
1531         Iterate on new_mode rather than calculating it each time.
1532         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
1533         source to NEW_MODE and extract_low_bits to convert the shifted
1534         value to READ_MODE.
1535         (replace_read): Allow the load and store to have different mode
1536         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
1537         or extraction instructions before trying the replacement.  Update
1538         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
1539
1540 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
1541
1542         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
1543         to their natural alignment to avoid store forwarding stalls.
1544
1545 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1546
1547         PR target/27946
1548         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
1549         encouraging but not allowing gprs for input;
1550         change the input constraint to !f#r.
1551         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
1552         gprs for output;
1553         change the output constraint to !f#r.
1554
1555 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
1556
1557         PR target/13958
1558         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
1559         corresponding post-reload splitters.
1560         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
1561         when x87 FP math is selected.
1562         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
1563         New function prototype.
1564         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
1565         unreachable function to ease macroization of insn patterns.
1566
1567 2008-03-21  Martin Jambor  <mjambor@suse.cz>
1568
1569         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
1570         reference dumps if ddr is NULL or dependence is unknown.
1571
1572 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1573
1574         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
1575         unsigned extension into account.
1576         (ATOMIC_COMPARE_AND_SWAP): Likewise.
1577         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
1578         Do computations on a scratch register.
1579
1580 2008-03-21  Richard Guenther  <rguenther@suse.de>
1581
1582         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1583         Use is_gimple_min_invariant instead of TREE_INVARIANT.
1584         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
1585         * tree-ssa-dom.c (record_equality): Likewise.
1586         * tree-inline.c (copy_body_r): Likewise.
1587         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
1588         TREE_INVARIANT.
1589
1590 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1591
1592         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
1593         as 'delete_unused' argument.
1594
1595 2008-03-20  Richard Guenther  <rguenther@suse.de>
1596
1597         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
1598         special casing of constant qualifiers.
1599         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
1600         care about them in general.
1601         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
1602         regardless of their type.
1603         (fold_stmt_r): Forcefully fold *& if we end up with that.
1604
1605 2008-03-20  Paul Brook  <paul@codesourcery.com>
1606
1607         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
1608         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
1609         linker flags.
1610         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
1611         definition.
1612         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
1613         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
1614
1615 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
1616
1617         * common.opt (Wmudflap): New option.
1618         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
1619         (mx_register_decls): Likewise.
1620         (mudflap_finish_file): Likewise.
1621         * doc/invoke.texi: Document -Wno-mudflap.
1622
1623 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
1624
1625         * c-format.c (replace_format_name_to_system_name): New.
1626         (cmp_attribs): New.
1627         (convert_format_name_to_system_name): New.
1628         (decode_format_attr): Add use of convert_format_name_to_system_name.
1629         (format_types_orig): Add gnu_ prefix to names.
1630         (check_format_info_main): Special treating of \0 escaped names for
1631         supporting multi-character format specifiers as I32, I64.
1632         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
1633         (gnu_target_overrides_format_attributes): New.
1634         * c-format.h: Add structure target_ovr_attr to hold
1635         system specific formatter names.
1636         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
1637         msformat-c.o file to c_target_objs and cxx_target_objs.
1638         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
1639         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
1640         (TARGET_N_FORMAT_TYPES): New.
1641         * config/i386/msformat-c.c: New.
1642         * config/i386/t-cygming: Add build rule for msformat-c.o.
1643         * doc/extend.texi: Add new format names gnu_* and ms_* and
1644         further details.
1645         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
1646
1647 2008-03-20  Ira Rosen  <irar@il.ibm.com>
1648
1649         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
1650         optimizations turned on under -O3.
1651         (ftree-vectorize): Add that the flag is turned on with -O3.
1652
1653 2008-03-20  Ben Elliston  <bje@au.ibm.com>
1654
1655         * regmove.c (try_auto_increment): Fix spelling error in comment.
1656         * final.c (final_scan_insn): Likewise.
1657
1658 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
1659
1660         PR target/14552
1661         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
1662         allocator preferences for "y" and "r" class registers.
1663         ("*mov<mode>_internal"): Ditto.
1664         ("*movv2sf_internal_rex64"): Ditto.
1665         ("*movv2sf_internal"): Ditto.
1666
1667 2008-03-19  Michael Matz  <matz@suse.de>
1668
1669         PR middle-end/35616
1670         * calls.c (expand_call): Check overlap of arguments with call
1671         address for sibcalls.
1672
1673 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
1674
1675         PR target/35496
1676         * stor-layout.c (update_alignment_for_field): Set minimum alignment
1677         of the underlying type of a MS bitfield layout to the natural
1678         alignment of the type.
1679
1680 2008-03-19  Jan Hubicka  <jh@suse.cz>
1681
1682         PR other/35094
1683         * toplev.c (decode_d_option): Handle all CPP flags.
1684         * tree-vrp.c: Update tree_pass descriptors.
1685         * regrename.c: Update tree_pass descriptors.
1686         * fwprop.c: Update tree_pass descriptors.
1687         * doc/invoke.texi: Remove documentation of dropped -d? flags.
1688         * tree-into-ssa.c: Update tree_pass descriptors.
1689         * tree-dump.c: Update tree_pass descriptors.
1690         * tree-complex.c: Update tree_pass descriptors.
1691         * tree-dump.h: Update tree_pass descriptors.
1692         * see.c: Update tree_pass descriptors.
1693         * cgraphbuild.c: Update tree_pass descriptors.
1694         * tracer.c: Update tree_pass descriptors.
1695         * tree-loop-distribution.c: Update tree_pass descriptors.
1696         * cgraph.c: Update tree_pass descriptors.
1697         * postreload-gcse.c: Update tree_pass descriptors.
1698         * postreload.c: Update tree_pass descriptors.
1699         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
1700         * tree-tailcall.c: Update tree_pass descriptors.
1701         * tree-pass.h (tree_opt_pass): Rename to ...
1702         (opt_pass) ... this one; add "type" field and remove letter field.
1703         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
1704         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
1705         all_lowering_passes): Update declaration.
1706         * ipa-cp.c: Update tree_pass descriptors.
1707         * final.c: Update tree_pass descriptors.
1708         * omp-low.c: Update tree_pass descriptors.
1709         * tree-ssa-dse.c: Update tree_pass descriptors.
1710         * ipa-reference.c: Update tree_pass descriptors.
1711         * tree-ssa-uncprop.c: Update tree_pass descriptors.
1712         * auto-inc-dec.c: Update tree_pass descriptors.
1713         * reorg.c: Update tree_pass descriptors.
1714         * cgraphunit.c: Update tree_pass descriptors.
1715         * tree-ssa-copyrename.c: Update tree_pass descriptors.
1716         * tree-ssa-ccp.c: Update tree_pass descriptors.
1717         * df-core.c: Update tree_pass descriptors.
1718         * mode-switching.c: Update tree_pass descriptors.
1719         * tree-nomudflap.c: Update tree_pass descriptors.
1720         * modulo-sched.c: Update tree_pass descriptors.
1721         * ipa-pure-const.c: Update tree_pass descriptors.
1722         * cse.c: Update tree_pass descriptors.
1723         * web.c: Update tree_pass descriptors.
1724         * tree-stdarg.c: Update tree_pass descriptors.
1725         * tree-ssa-math-opts.c: Update tree_pass descriptors.
1726         * tree-ssa-dom.c: Update tree_pass descriptors.
1727         * tree-nrv.c: Update tree_pass descriptors.
1728         * tree-ssa-alias.c: Update tree_pass descriptors.
1729         * loop-init.c: Update tree_pass descriptors.
1730         * gimple-low.c: Update tree_pass descriptors.
1731         * ipa-inline.c: Update tree_pass descriptors.
1732         * tree-ssa-sink.c: Update tree_pass descriptors.
1733         * global.c: Update tree_pass descriptors.
1734         * ifcvt.c: Update tree_pass descriptors.
1735         * jump.c: Update tree_pass descriptors.
1736         * predict.c: Update tree_pass descriptors.
1737         * tree-ssa-loop.c: Update tree_pass descriptors.
1738         * recog.c: Update tree_pass descriptors.
1739         * dse.c: Update tree_pass descriptors.
1740         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
1741         * tree-eh.c: Update tree_pass descriptors.
1742         * regmove.c: Update tree_pass descriptors.
1743         * local-alloc.c
1744         * function.c: Update tree_pass descriptors.
1745         * tree-vectorizer.c: Update tree_pass descriptors.
1746         * gcse.c: Update tree_pass descriptors.
1747         * ipa-type-escape.c: Update tree_pass descriptors.
1748         * tree-if-conv.c: Update tree_pass descriptors.
1749         * init-regs.c: Update tree_pass descriptors.
1750         * ipa.c: Update tree_pass descriptors.
1751         * tree-ssa-phiopt.c: Update tree_pass descriptors.
1752         * rtl-factoring.c: Update tree_pass descriptors.
1753         * lower-subreg.c: Update tree_pass descriptors.
1754         * bt-load.c: Update tree_pass descriptors.
1755         * tree-dfa.c: Update tree_pass descriptors.
1756         * except.c: Update tree_pass descriptors.
1757         * emit-rtl.c: Update tree_pass descriptors.
1758         * cfgexpand.c: Update tree_pass descriptors.
1759         * tree-cfgcleanup.c: Update tree_pass descriptors.
1760         * cfgcleanup.c: Update tree_pass descriptors.
1761         * tree-ssa-pre.c: Update tree_pass descriptors.
1762         * tree-sra.c: Update tree_pass descriptors.
1763         * tree-mudflap.c: Update tree_pass descriptors.
1764         * tree-ssa-copy.c: Update tree_pass descriptors.
1765         * cfglayout.c: Update tree_pass descriptors.
1766         * tree-ssa-forwprop.c: Update tree_pass descriptors.
1767         * tree-ssa-dce.c: Update tree_pass descriptors.
1768         * tree-ssa.c: Update tree_pass descriptors.
1769         * regclass.c: Update tree_pass descriptors.
1770         * integrate.c: Update tree_pass descriptors.
1771         * tree-optimize.c: Update tree_pass descriptors.
1772         * tree-ssa-phiprop.c: Update tree_pass descriptors.
1773         * tree-object-size.c: Update tree_pass descriptors.
1774         * combine.c: Update tree_pass descriptors.
1775         * tree-outof-ssa.c: Update tree_pass descriptors.
1776         * bb-reorder.c: Update tree_pass descriptors.
1777         * stack-ptr-mod.c: Update tree_pass descriptors.
1778         * var-tracking.c: Update tree_pass descriptors.
1779         * tree-profile.c: Update tree_pass descriptors.
1780         * tree-vect-generic.c: Update tree_pass descriptors.
1781         * reg-stack.c: Update tree_pass descriptors.
1782         * sched-rgn.c: Update tree_pass descriptors.
1783         * tree-ssa-structalias.c: Update tree_pass descriptors.
1784         * tree-cfg.c: Update tree_pass descriptors.
1785         * passes.c (current_pass): Update declaration.
1786         (finish_optimization_passes): Update.
1787         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
1788         (register_one_dump_file, register_dump_files_1, next_pass_1):
1789         Update arguments.
1790         (init_optimization_passes): Update handling of new types.
1791         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
1792         * ipa-struct-reorg.c: Update tree_pass descriptors.
1793         * tree-ssa-reassoc.c: Update tree_pass descriptors.
1794         * combine-stack-adj.c: Update tree_pass descriptors.
1795         * cfgrtl.c: Update tree_pass descriptors.
1796         * dce.c: Update tree_pass descriptors.
1797         * tree-ssanames.c: Update tree_pass descriptors.
1798
1799 2008-03-19  Richard Guenther  <rguenther@suse.de>
1800
1801         PR middle-end/35609
1802         * tree-ssa.c (walk_data): New structure.
1803         (warn_uninitialized_var): If not always_executed warn with "maybe"
1804         instead of "is".
1805         (execute_early_warn_uninitialized): Compute post-dominators.
1806         Initialize always_executed before processing each basic block.
1807
1808 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
1809
1810         PR target/35504
1811         * config/i386/i386.c (x86_this_parameter): Calculate correct location
1812         of "this" pointer when "regparm = N" or "fastcall" is in effect.
1813
1814 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1815
1816         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
1817
1818 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
1819
1820         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
1821         is true.
1822         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
1823         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
1824         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
1825         target after ignore has been set, and move there also the commputation
1826         of subtarget and original_target.
1827         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
1828         (LANG_HOOKS_INITIALIZER): Remove it.
1829         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
1830
1831 2008-03-18  Richard Guenther  <rguenther@suse.de>
1832
1833         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
1834         found an expression with constants, note that in the VN for the lhs.
1835         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
1836         fold them to constants if possible.  Run cleanup_cfg if done so.
1837         (execute_pre): Return todo.
1838         (do_pre): Likewise.
1839         (execute_fre): Likewise.
1840         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
1841         of constants.
1842         (get_prop_source_stmt): Look through pointer conversions.
1843
1844 2008-03-18  Jan Hubicka  <jh@suse.cz>
1845
1846         * tree-pretty-print.c: Include predict.h.
1847         (dump_generic_node): Dump predictor.
1848         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
1849         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
1850         * gimple-low.c (lower_stmt): Likewise.
1851         * expr.c (expand_expr_real): Likewise.
1852         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
1853         them.
1854         (build_predict_expr, build_predict_expr): New.
1855         * predict.h (predictor_name, build_predict_expr): Update.
1856         * c-typeck.c (c_finish_bc_stmt): Add prediction.
1857         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
1858         * predict.def (PRED_CONTINUE): Update hitrate.
1859         * tree.def (PREDICT_EXPR): Define.
1860         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
1861         do not handle BIND_EXPR.
1862         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
1863         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
1864         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
1865         operands.
1866
1867 2008-03-18  Michael Matz  <matz@suse.de>
1868
1869         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
1870
1871 2008-03-18  Richard Guenther  <rguenther@suse.de>
1872
1873         * tree-gimple.h (is_gimple_invariant_address): Declare.
1874         (is_gimple_constant): Likewise.
1875         * tree-gimple.c (is_gimple_constant): New function.
1876         (is_gimple_invariant_address): Likewise.
1877         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
1878         and is_gimple_invariant_address.
1879         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
1880         previous change.
1881         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
1882         an addressable base.
1883
1884 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
1885
1886         PR middle-end/35611
1887         * gimplify.c (gimplify_expr): Gimplify second operand of
1888         OMP_ATOMIC_LOAD.
1889
1890 2008-03-17  Richard Guenther  <rguenther@suse.de>
1891
1892         PR tree-optimization/19637
1893         * fold-const.c (fold_unary): Remove restrictions of removing
1894         intermediate pointer-conversions (P2)(P1)P0.
1895         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
1896         conversion to void pointer.
1897         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
1898
1899 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
1900
1901         PR debug/31510
1902         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
1903         emulated thread local variables.
1904
1905 2008-03-16  Richard Guenther  <rguenther@suse.de>
1906
1907         PR middle-end/35607
1908         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
1909         expand TREE_INVARIANT operations that are not gimple invariant.
1910
1911 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
1912
1913         * doc/extend.texi (Alignment): Say that the ABI controls
1914         the __alignof__ for non-strict-alignment targets rather
1915         than being a recommendation.
1916
1917 2008-03-15  Paul Brook  <paul@codesourcery.com>
1918
1919         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
1920         annotations.
1921         (arm_output_fn_unwind): Mark functions that can not be unwound.
1922
1923 2008-03-15  Paul Brook  <paul@codesourcery.com>
1924
1925         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
1926         extension instructions.
1927
1928 2008-03-15  Richard Guenther  <rguenther@suse.de>
1929
1930         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
1931         and fold constant aggregate refs.
1932         (fold_const_aggregate_ref): Handle string constants
1933         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
1934         (evaluate_stmt): Simplify now that ccp_fold folds constant
1935         aggregate refs.
1936
1937 2008-03-15  Paul Brook  <paul@codesourcery.com>
1938
1939         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
1940         (extzv): Use gen_extzv_t2.
1941         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
1942
1943 2008-03-15  Richard Guenther  <rguenther@suse.de>
1944
1945         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
1946         (fold_const_aggregate_ref): Likewise.
1947         (get_value): Return NULL if we don't have any values.
1948         (ccp_finalize): Set const_val to NULL after freeing it.
1949         * tree-flow.h (get_symbol_constant_value): Declare.
1950         (fold_const_aggregate_ref): Likewise.
1951         * tree-ssa-sccvn.c (try_to_simplify): Use them.
1952
1953 2008-03-15  Richard Guenther  <rguenther@suse.de>
1954
1955         PR middle-end/35593
1956         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
1957         to not produce negative array indices if not allowed.  Add
1958         parameter to indicate that.
1959         (maybe_fold_offset_to_component_ref): Allow negative array
1960         indices only for the first member of a structure.
1961         (maybe_fold_offset_to_reference): Allow negative array indices.
1962         (maybe_fold_stmt_addition): Likewise.
1963
1964 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
1965             Anatoly Sokolov <aesok@post.ru>
1966
1967         * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
1968         (avr_arch): Add ARCH_AVR6.
1969         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
1970         (initial_elimination_offset): Initialize and use 'avr_pc_size' 
1971         instead of fixed value 2.
1972         (print_operand_address): Use gs() asm specifier instead of pm().
1973         (avr_assemble_integer): (Ditto.).
1974         (avr_output_addr_vec_elt): (Ditto.).
1975         (print_operand): Handle "!" code.
1976         * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add 
1977         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
1978         (AVR_HAVE_EIJMP_EICALL): Define.
1979         (AVR_3_BYTE_PC): Redefine.
1980         (AVR_2_BYTE_PC): (Ditto.).
1981         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
1982         (LINK_SPEC): Add atmega2560 and atmega2561.
1983         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561 
1984         (crtm2561.o).
1985         * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall 
1986         for 3 byte PC devices.
1987         (call_value_insn): (Ditto.).
1988         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
1989         (indirect_jump): Use only for for 2 byte PC devices.
1990         (*tablejump): (Ditto.).
1991         (*indirect_jump_avr6): Add insn.
1992         (*tablejump_rjmp): Don't use for 3 byte PC devices.
1993         * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp 
1994         instead of ijmp for 3 byte PC devices.
1995         (__tablejump2__): (Ditto.).
1996         * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
1997         (MULITLIB_DIRNAMES): (Ditto.). 
1998         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
1999
2000 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
2001
2002         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
2003         "sse2_umulsidi3".  Use V1DI mode for operand 0.
2004         ("mmx_psadbw"): Use V1DI mode for operand 0.
2005         * config/i386/i386-modes.def (V1SI): New vector mode.
2006         * config/i386/i386.c (struct builtin_description)
2007         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
2008         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
2009         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
2010         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
2011         v1di_ftype_v8qi_v8qi type.
2012         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
2013
2014         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
2015         __builtin_ia32_pmuludq]: Fix the mode of return value.
2016
2017 2008-03-15  Richard Guenther  <rguenther@suse.de>
2018
2019         PR middle-end/35595
2020         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
2021         being a PHI_NODE.
2022
2023 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
2024         
2025         * doc/invoke.texi (Option Summary, Xtensa Options): Document
2026         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
2027         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
2028         unless TARGET_SERIALIZE_VOLATILE is enabled.
2029         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
2030         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
2031         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
2032
2033 2008-03-14  Richard Guenther  <rguenther@suse.de>
2034
2035         PR tree-optimization/34172
2036         * tree-flow.h (refs_may_alias_p): Declare.
2037         (get_single_def_stmt): Likewise.
2038         (get_single_def_stmt_from_phi): Likewise.
2039         (get_single_def_stmt_with_phi): Likewise.
2040         * tree-dfa.c (refs_may_alias_p): New function.
2041         (get_single_def_stmt): Likewise.
2042         (get_single_def_stmt_from_phi): Likewise.
2043         (get_single_def_stmt_with_phi): Likewise.
2044         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
2045         (vn_reference_lookup_1): New helper function.
2046         (vn_reference_lookup): Walk the virtual use-def chain to
2047         continue searching for a match if the def does not alias the
2048         reference we are looking for.
2049
2050 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
2051
2052         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
2053         archive and Perzl.  Update The Written Word listing.
2054
2055 2008-03-14  Richard Guenther  <rguenther@suse.de>
2056
2057         PR tree-optimization/34043
2058         PR tree-optimization/33989
2059         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
2060         when doing FRE.
2061         (bitmap_find_leader): Use extra argument to verify dominance
2062         relationship inside a basic-block.
2063         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
2064         (find_leader_in_sets): Adjust.
2065         (create_component_ref_by_pieces): Take extra argument for
2066         dominance check, handle lookup failures.
2067         (find_or_generate_expression): Likewise.
2068         (create_expression_by_pieces): Likewise.
2069         (insert_into_preds_of_block): Adjust.
2070         (create_value_expr_from): If asked for, verify all operands
2071         are in the blocks AVAIL_OUT set.
2072         (make_values_for_stmt): Check for SSA_NAMEs that are life
2073         over an abnormal edge.
2074         (compute_avail): Remove such check.
2075         (do_SCCVN_insertion): New function.
2076         (eliminate): If we do not find a leader suitable for replacement
2077         insert a replacement expression from SCCVN if available.
2078         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
2079         (struct vn_ssa_aux): Add needs_insertion flag.
2080         * tree-ssa-sccvn.c (may_insert): New global flag.
2081         (copy_reference_ops_from_ref): Value-number union member access
2082         based on its size, not type and member if insertion is allowed.
2083         (visit_reference_op_load): For a weak match from union type
2084         punning lookup a view-converted value and insert a SSA_NAME
2085         for that value if that is not found.
2086         (visit_use): Make dumps shorter.  Do not disallow value numbering
2087         SSA_NAMEs that are life over an abnormal edge to constants.
2088         (free_scc_vn): Release inserted SSA_NAMEs.
2089         (run_scc_vn): New flag to specify whether insertion is allowed.
2090         Process SSA_NAMEs in forward order.
2091         * tree-ssa-loop-im.c (for_each_index): Handle invariant
2092         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
2093         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
2094         pointer type to/from integral types that do not change the
2095         precision to regular conversions.
2096
2097 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
2098
2099         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
2100         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
2101         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
2102         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
2103         input arguments and the mode of return value.  Built-in functions
2104         that operate on whole 64-bit MMX register now use V1DI mode.
2105
2106 2008-03-13  Alon Dayan  <alond@il.ibm.com>
2107             Olga Golovanevsky  <olga@il.ibm.com>
2108
2109         PR tree-optimization/35041
2110         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
2111         to locate the right position in a statement.
2112
2113 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
2114
2115         PR target/34000
2116         PR target/35553
2117         * config/i386/xmmintrin.h:  Change all static inline functions to
2118         extern inline and add __gnu_inline__ attribute.
2119         * config/i386/bmintrin.h: Ditto.
2120         * config/i386/smmintrin.h: Ditto.
2121         * config/i386/tmmintrin.h: Ditto.
2122         * config/i386/mmintrin-common.h: Ditto.
2123         * config/i386/ammintrin.h: Ditto.
2124         * config/i386/emmintrin.h: Ditto.
2125         * config/i386/pmmintrin.h: Ditto.
2126         * config/i386/mmintrin.h: Ditto.
2127         * config/i386/mm3dnow.h: Ditto.
2128
2129 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
2130
2131         PR middle-end/35185
2132         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
2133         (lower_omp_2): New function.
2134         (lower_omp_1, lower_omp): Rewritten.
2135
2136 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
2137
2138         PR 35054
2139         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
2140         with the phrase "Microsoft Windows compilers".
2141         (Push/Pop Macro Pragmas): New subsection. Document
2142         #pragma push_macro and pragma pop_macro.
2143
2144 2008-03-12  Paul Brook  <paul@codesourcery.com>
2145
2146         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
2147
2148 2008-03-12  Paul Brook  <paul@codesourcery.com>
2149
2150         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
2151         (thumb2_alusi3_short): Exclude PLUS and MINUS.
2152         (thumb2_addsi_shortim): Rename ...
2153         (thumb2_addsi_short): ... to this.  Allow register operands.
2154         (thumb2_subsi_short): New pattern.
2155         (thumb2_one_cmplsi2_short,
2156         thumb2_negsi2_short): New patterns and peepholes.
2157
2158 2008-03-12  Paul Brook  <paul@codesourcery.com>
2159
2160         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
2161
2162 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
2163
2164         * config/i386/i386.md (int_cond): New code iterator.
2165         (fp_cond): Ditto.
2166         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
2167         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
2168         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
2169         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
2170         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
2171         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
2172         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
2173         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
2174
2175 2008-03-12  Paul Brook  <paul@codesourcery.com>
2176
2177         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
2178         instead of {arm,thumb}_compute_save_reg_mask.
2179         (output_return_instruction): Ditto.
2180         (thumb_unexpanded_epilogue): Ditto.
2181         (thumb1_expand_prologue): Ditto.
2182         (thumb1_output_function_prologue): Ditto.
2183         (arm_set_return_address): Ditto.
2184         (thumb_set_return_address): Ditto.
2185         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
2186         regs to achieve stack alignment.
2187         (thumb1_compute_save_reg_mask): Fix compiler warning.
2188         (arm_output_epilogue): Use offsets->saved_regs_mask.
2189         Adjust stack pointer by poping call clobered registers.
2190         (arm_expand_prologue): Use offsets->saved_regs_mask.
2191         Adjust stack pointer by pushing extra registers.
2192         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
2193
2194 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
2195
2196         PR tree-opt/35422
2197         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
2198         conversion to the operands of a multiplication.
2199
2200 2008-03-12  Richard Guenther  <rguenther@suse.de>
2201
2202         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
2203         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
2204         * timevar.def (TV_TREE_PHIPROP): Add.
2205         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
2206         pass description.  Use TV_TREE_PHIPROP.
2207         * tree-ssa-forwprop.c: Remove phiprop code.
2208
2209 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
2210
2211         PR middle-end/35549
2212         * omp-low.c (maybe_lookup_decl): Constify first argument.
2213         (use_pointer_for_field): Change last argument from bool to
2214         omp_context *.  Disallow shared copy-in/out in nested
2215         parallel if decl is shared in outer parallel too.
2216         (build_outer_var_ref, scan_sharing_clauses,
2217         lower_rec_input_clauses, lower_copyprivate_clauses,
2218         lower_send_clauses, lower_send_shared_vars): Adjust callers.
2219
2220 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
2221             Ira Rosen  <irar@il.ibm.com>
2222
2223         * tree-vectorizer.c (free_stmt_vec_info): New function.
2224         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
2225         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
2226         * tree-vectorizer.h (free_stmt_vec_info): Declare.
2227         * tree-vect-transform.c (vectorizable_conversion): Free
2228         vec_oprnds0 if it was allocated.
2229         (vect_permute_store_chain): Remove unused VECs.
2230         (vectorizable_store): Free VECs that are allocated in the..
2231         function.
2232         (vect_transform_strided_load, vectorizable_load): Likewise.
2233         (vect_remove_stores): Simplify the code.
2234         (vect_transform_loop): Move code to vect_remove_stores().
2235         Call vect_remove_stores() and free_stmt_vec_info().
2236
2237 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2238
2239         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
2240         TARGET_HPUX.  Revise comment.
2241         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
2242         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
2243         Use sr4 variant of `be' instruction when not generating PIC code.
2244         (attr_length_call): Adjust for above change.
2245
2246 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2247
2248         * ipa-reference.c (static_execute): Remove module_statics_const and
2249         associated setting code.
2250
2251 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
2252
2253         PR target/35540
2254         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
2255         predicate for operand 1.
2256         (paritysi2_cmp): Use register_operand predicate for operand 2.
2257         Use earlyclobber modifier for operand 1.  Remove support for
2258         memory operands.
2259         (paritydi2_cmp): Use register_operand predicate for operand 3.
2260         Use earlyclobber modifier for operand 1.  Remove support for
2261         memory operands.
2262
2263 2008-03-11  Paul Brook  <paul@codesourcery.com>
2264             Vladimir Prus  <vladimir@codesourcery.com>
2265
2266         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
2267         (arm_compute_save_reg0_reg12_mask): Always
2268         check if register 11 must be saved.  Always safe hard frame pointer
2269         when frame_pointer_needeed.
2270         (arm_compute_save_reg_mask): Save IP and PC
2271         only with apcs frames.
2272         (arm_output_epilogue): Adjust Thumb2 codepath to
2273         be also invoked and work for ARM non-apcs frames.
2274         (arm_expand_prologue): Don't bother saving IP
2275         for non-apcs frame, since it's not clobbered by
2276         prologue code.  Implement non-apcs frame
2277         layout.
2278
2279 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
2280
2281         PR rtl-optimization/35281
2282         * expr.c (convert_move): Use a new pseudo for the intermediate
2283         from_mode->word_mode result.
2284
2285 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
2286
2287         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
2288         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
2289         * toplev.c (compile_file): Don't call it.
2290
2291 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
2292
2293         PR middle-end/35526
2294         * expr.c (store_expr): Call emit_block_move if the mode
2295         of "temp" RTX is BLKmode.
2296
2297 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2298             Richard Guenther  <rguenther@suse.de>
2299
2300         PR tree-optimization/31358
2301         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
2302         the step with a NULL_TREE.
2303         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
2304         to sizetype if type is a pointer type.
2305         (add_candidate_1): Don't convert the base and step to
2306         the generic type if the orginal type is a pointer type.
2307         (add_iv_value_candidates): Use sizetype for the step
2308         if type is a pointer type.
2309         (cand_value_at): Likewise.
2310         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
2311         for pointer types.
2312         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
2313         Don't convert the tem affine to the type.
2314         (add_elt_to_tree): Use sizetype for the step if a pointer.
2315         Use POINTER_PLUS_EXPR for pointers.
2316         (aff_combination_to_tree): Use sizetype for the step if a
2317         pointer.
2318
2319 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
2320
2321         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
2322         Remove commutativity hint.
2323
2324 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
2325
2326         PR c/35438
2327         PR c/35439
2328         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
2329         errorneous type.  Check that v is a VAR_DECL.
2330
2331         PR middle-end/35099
2332         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
2333
2334 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
2335
2336         PR tree-optimization/35494
2337         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
2338         may be overriden at link and run time.
2339
2340 2008-03-10  Richard Guenther  <rguenther@suse.de>
2341
2342         PR tree-optimization/34677
2343         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
2344         (poolify_tree): Likewise.
2345         (modify_expr_template): Likewise.
2346         (poolify_modify_stmt): Likewise.
2347         (insert_fake_stores): Handle all component-ref style stores
2348         in addition to INDIRECT_REF.  Also handle complex types.
2349         Do not poolify the inserted load.
2350         (realify_fake_stores): Do not rebuild the tree but only
2351         make it a SSA_NAME copy.
2352         (init_pre): Remove initialzation of modify_expr_template.
2353         Do not allocate modify_expr_node_pool.
2354         (fini_pre): Do not free modify_expr_node_pool.
2355
2356 2008-03-10  Paul Brook  <paul@codesourcery.com>
2357
2358         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
2359         to avoid conflicts.
2360
2361 2008-03-10  Paul Brook  <paul@codesourcery.com>
2362             Mark Shinwell  <shinwell@codesourcery.com>
2363
2364         * config/arm/cortex-r4.md: New.
2365         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
2366         insn attributes.
2367         * config/arm/arm.md: Include cortex-r4.md.
2368         (insn): Add smmls, sdiv and udiv values.
2369         (generic_sched): Don't use generic scheduling for Cortex-R4.
2370         (arm_issue_rate): New function.
2371         (TARGET_SCHED_ISSUE_RATE): Define.
2372
2373 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
2374
2375         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
2376
2377 2008-03-10  Richard Guenther  <rguenther@suse.de>
2378
2379         * tree-ssa-pre.c (get_sccvn_value): Simplify.
2380         (compute_avail): Do not add stmt uses to AVAIL_OUT.
2381
2382 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
2383
2384         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
2385         Set default to true.
2386
2387 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2388
2389         * c.opt (Wsynth): Deprecate.
2390         * doc/invoke.texi (Option Summary, Warning Options): Document
2391         -Wno-format-contains-nul.
2392
2393 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
2394
2395         PR target/35496
2396         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
2397         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
2398
2399 2008-03-09  Ira Rosen  <irar@il.ibm.com>
2400
2401         * config/rs6000/rs6000.c (builtin_description): Rename vector
2402         left shift operations.
2403         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
2404         (altivec_vsl<VI_char>): Rename to ...
2405         (ashl<mode>3): ... new name.
2406         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
2407         gen_ashlv4si3.
2408         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
2409
2410 2008-03-08  Richard Guenther  <rguenther@suse.de>
2411
2412         * coverage.h (tree_coverage_counter_addr): Declare.
2413         * coverage.c (tree_coverage_counter_addr): New function.
2414         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
2415         before using again.
2416         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
2417         (tree_gen_one_value_profiler): Likewise.
2418         (tree_gen_ic_profiler): Likewise.
2419         (tree_gen_average_profiler): Likewise.
2420         (tree_gen_ior_profiler): Likewise.
2421
2422 2008-03-08  Richard Guenther  <rguenther@suse.de>
2423
2424         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
2425         (vn_binary_op_insert): Likewise.
2426         (vn_unary_op_lookup): Likewise.
2427         (vn_unary_op_insert): Likewise.
2428         (vn_nary_op_lookup): Declare.
2429         (vn_nary_op_insert): Likewise.
2430         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
2431         and binary hashes, use a single obstack for unary_op_pool
2432         and binary_op_pool.
2433         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
2434         a single struct vn_nary_op_s.  Store tree code length and
2435         a variable number of operands.
2436         (struct vn_reference_op_struct): Remove unused op2.
2437         (vn_reference_op_eq): Do not compare op2.
2438         (vn_reference_op_compute_hash): Do not compute hash of op2.
2439         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
2440         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
2441         with vn_nary_op_compute_hash.
2442         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
2443         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
2444         vn_nary_op_lookup.
2445         (vn_unary_op_insert, vn_binary_op_insert): Replace with
2446         vn_nary_op_insert.
2447         (visit_unary_op): Call nary functions.
2448         (visit_binary_op): Likewise.
2449         (process_scc): Adjust for struct vn_tables_s changes.
2450         (allocate_vn_table): Likewise.
2451         (free_vn_table): Likewise.
2452         * tree-vn.c (vn_add): Call nary functions.
2453         (vn_lookup): Likewise.
2454
2455 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
2456
2457         PR target/35498
2458         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
2459         wdst back after sync_compare_and_swapqhi_internal.
2460
2461 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
2462
2463         PR target/22152
2464         * config/i386/i386-modes.def (V1DI): New vector mode.
2465         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
2466         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
2467         (MMXMODE248): Ditto.
2468         (MMXMODE): Add V1DI mode.
2469         (mmxvecsize): Change DI mode to V1DI mode.
2470         ("mov<mode>): Use MMXMODEI8 mode iterator.
2471         ("*mov<mode>_internal_rex64"): Ditto.
2472         ("*mov<mode>_internal"): Ditto.
2473         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
2474         ("mmx_sub<mode>3"): Ditto.
2475         ("mmx_adddi3"): Remove insn pattern.
2476         ("mmx_subdi3"): Ditto.
2477         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
2478         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
2479         ("mmx_ashl<mode>3"): Ditto.
2480         ("mmx_lshrdi3"): Remove insn pattern.
2481         ("mmx_ashldi3"): Ditto.
2482         * config/i386/i386.c (classify_argument): Handle V1DImode.
2483         (function_arg_advance_32): Ditto.
2484         (function_arg_32): Ditto.
2485         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
2486         mmx_addv1di3 insn pattern.
2487         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
2488         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
2489         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
2490         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
2491         Remove definitions of built-in functions.
2492         (V1DI_type_node): New node.
2493         (v1di_ftype_v1di_int): Ditto.
2494         (v1di_ftype_v1di_v1di): Ditto.
2495         (v2si_ftype_v2si_si): Ditto.
2496         (v4hi_ftype_v4hi_di): Remove node.
2497         (v2si_ftype_v2si_di): Ditto.
2498         (ix86_init_mmx_sse_builtins): Handle V1DImode.
2499         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
2500         Redefine builtins using def_builtin_const with *_ftype_*_int node.
2501         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
2502         Add new builtins using def_builtin_const.
2503         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
2504         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
2505         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
2506         * config/i386/mmintrin.h (__v1di): New typedef.
2507         (_mm_add_si64): Cast arguments to __v1di type.
2508         (_mm_sub_si64): Ditto.
2509         (_mm_sll_pi16): Cast __count to __v4hi type.
2510         (_mm_sll_pi32): Cast __count to __v2si type.
2511         (_mm_sll_si64): Cast arguments to __v1di type.
2512         (_mm_srl_pi16): Cast __count to __v4hi type.
2513         (_mm_srl_pi32): Cast __count to __v2si type.
2514         (_mm_srl_si64): Cast arguments to __v1di type.
2515         (_mm_sra_pi16): Cast __count to __v4hi type.
2516         (_mm_sra_pi32): Cast __count to __v2si type.
2517         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
2518         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
2519         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
2520         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
2521         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
2522         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
2523         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
2524         (_mm_srai_pi32): Use __builtin_ia32_psradi.
2525         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
2526         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
2527         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
2528         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
2529
2530 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
2531
2532         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
2533
2534 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
2535
2536         PR target/35373
2537         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
2538         reg+const addressing for Altivec modes.  Don't generate reg+reg
2539         addressing for TFmode or TDmode quantities.
2540
2541 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
2542
2543         * c-common.c (vector_types_convertible_p): Call langhook
2544         instead of comptypes.
2545
2546 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2547
2548         PR tree-opt/35402
2549         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
2550         integral and scalar float variables which have a
2551         NULL DECL_INITIAL.
2552
2553 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
2554
2555         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
2556         dwarf_register_span hook when emitting unwind information for
2557         register-to-memory saves.
2558         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
2559         (rs6000_frame_related): Remove call to spe_synthesize_frame.
2560
2561 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
2562
2563         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
2564         for the same VAR_DECL.
2565
2566 2008-03-06  Tom Tromey  <tromey@redhat.com>
2567
2568         * treelang: Delete.
2569         * doc/standards.texi (Standards): Don't mention treelang.
2570         * doc/invoke.texi (Overall Options): Don't mention treelang.
2571         * doc/install.texi (Prerequisites): Don't mention bison or
2572         treelang.
2573         (Configuration): Don't mention treelang.
2574         (Building): Likewise.
2575         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
2576
2577 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
2578
2579         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
2580         word-extractions out of a multi-word object.
2581
2582 2008-03-06  Richard Guenther  <rguenther@suse.de>
2583
2584         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
2585         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
2586         result type and precision.
2587         * expr.c (get_inner_reference): Set unsignedp based on the result
2588         type of BIT_FIELD_REF.
2589         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
2590         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
2591         (try_instantiate_multiple_fields): Likewise.  Use the correct type
2592         for BIT_FIELD_REF.
2593         (sra_build_assignment): Likewise.
2594         (sra_build_elt_assignment): Likewise.
2595         (sra_explode_bitfield_assignment): Likewise.
2596         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
2597         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
2598         set BIT_FIELD_REF_UNSIGNED.
2599         (vectorizable_load): Likewise.
2600
2601 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
2602
2603         * cse.c (cse_extended_basic_block): Invalidate artificial defs
2604         at bb start.
2605
2606 2008-03-06  Richard Guenther  <rguenther@suse.de>
2607
2608         * alias.c (struct alias_set_entry): Move has_zero_child field
2609         to pack with alias_set.
2610
2611 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
2612
2613         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
2614         32bit host.
2615
2616 2008-03-05  Ian Lance Taylor  <iant@google.com>
2617
2618         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
2619
2620 2008-03-05  Kenneth Zadeck <zadeck@naturalbridge.com>
2621
2622         * fwprop.c (update_df): Support width and offset parameters of
2623         df_ref_create.
2624         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
2625         global_conflicts): Change DF_REF_EXTRACT to either
2626         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2627         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2628         * df-scan.c (df_ref_record, df_defs_record,
2629         df_ref_create_structure, df_def_record_1, df_uses_record,
2630         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
2631         df_bb_refs_collect, df_entry_block_defs_collect,
2632         df_exit_block_uses_collect): Support new width and offset fields.
2633         (ref_extract_pool): New storage pool.
2634         (df_free_ref): New function.
2635         (df_reg_chain_unlink, df_free_collection_rec,
2636         df_sort_and_compress_refs): Call df_free_ref.
2637         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
2638         of df_ref_extract.
2639         (df_ref_create_structure): Allocate df_ref_extract if offset and
2640         width fields are used.
2641         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
2642         (df_uses_record): Get offset and width from ZERO_EXTRACT 
2643         and SIGN_EXTRACT.
2644         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
2645         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2646         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2647         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
2648         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2649         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2650         (df_ref_extract): New structure.
2651         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
2652         (df_ref_create): Add width and offset parameters.
2653         
2654 2008-03-05  Richard Guenther  <rguenther@suse.de>
2655
2656         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2657         Use ranges_overlap_p.
2658         (offset_overlaps_with_access): Rename
2659         to ranges_overlap_p and move ...
2660         * tree-flow-inline.h (ranges_overlap_p): ... here.
2661
2662         * tree.h (get_inner_reference, handled_component_p): Update
2663         comments.
2664
2665         * tree.h (record_component_aliases, get_alias_set,
2666         alias_sets_conflict_p, alias_sets_must_conflict_p,
2667         objects_must_conflict_p): Move declarations ...
2668         * alias.h (record_component_aliases, get_alias_set,
2669         alias_sets_conflict_p, alias_sets_must_conflict_p,
2670         objects_must_conflict_p): ... here.
2671         Include coretypes.h.
2672         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
2673
2674 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
2675
2676         * cfg.c: Include tree-flow.h.
2677         (remove_edge_raw): Call redirect_edge_var_map_clear.
2678         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
2679         * tree-flow-inline.h (redirect_edge_var_map_def): New.
2680         (redirect_edge_var_map_result): New.
2681         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
2682         PENDING_STMT use with redirect_edge_var_map_*.
2683         * tree-ssa.c (edge_var_maps): New definition.
2684         (redirect_edge_var_map_add): New.
2685         (redirect_edge_var_map_clear): New.
2686         (redirect_edge_var_map_dup): New.
2687         (redirect_edge_var_map_vector): New.
2688         (redirect_edge_var_map_destroy): New.
2689         (ssa_redirect_edge): Replace PENDING_STMT use with
2690         redirect_edge_var_map_*.
2691         (flush_pending_stmts): Same.
2692         (delete_tree_ssa): Destroy edge var map.
2693         * tree-flow.h (struct _edge_var_map): New.
2694         Define edge_var_map vector type.
2695         Declare redirect_edge_var_map_* prototypes.
2696         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
2697         * tree-cfg.c (reinstall_phi_args): Replace
2698         PENDING_STMT use with redirect_edge_var_map_*.
2699
2700 2008-03-05  Richard Guenther  <rguenther@suse.de>
2701
2702         PR tree-optimization/35472
2703         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
2704         whose single use_stmt has a overlapping set of loaded and
2705         stored symbols as that use_stmt might be a noop assignment then.
2706
2707 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
2708
2709         * gthr-rtems.h: Implement __gthread_mutex_destroy.
2710
2711 2008-03-05  Richard Guenther  <rguenther@suse.de>
2712
2713         PR c++/35336
2714         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
2715         should be constants.
2716         * tree-cfg.c (verify_expr): Verify it.
2717         * fold-const.c (fold_truthop): Remove code generating
2718         BIT_FIELD_REFs of structure bases.
2719         (fold_binary): Likewise.
2720         (fold_ternary): Position and size of BIT_FIELD_REFs are
2721         always host integers.
2722         (make_bit_field_ref): Remove.
2723         (optimize_bit_field_compare): Remove.
2724         (all_ones_mask_p): Remove.
2725
2726 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
2727
2728         PR gcc/33009
2729         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
2730         (split_block_and_df_analyze): New. Split basic block and rebuild
2731         dataflow.
2732         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
2733         SPLIT_BLOCK.
2734         (split_pattern_seq): Likewise.
2735         (erase_matching_seqs): Likewise.
2736         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
2737
2738 2008-03-04  Geoff Keating  <geoffk@apple.com>
2739
2740         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
2741         declaration and code.
2742         (tree_invalid_nonnegative_warnv_p): Likewise.
2743
2744 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
2745
2746         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
2747         examples.  Truncate option-names then causing overfull hbox.
2748
2749 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2750
2751         PR target/35222
2752         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
2753         on hpux10.
2754         * configure: Rebuilt.
2755
2756 2008-03-04  Rafael Espindola  <espindola@google.com>
2757
2758         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
2759         (tree_unary_nonnegative_warnv_p): New.
2760         (tree_binary_nonnegative_warnv_p): New.
2761         (tree_single_nonnegative_warnv_p): New.
2762         (tree_invalid_nonnegative_warnv_p): New.
2763         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
2764
2765 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2766
2767         PR 28322
2768         * opts.c (handle_option): Postpone 'unknown option' errors only for
2769         warning options.
2770
2771 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
2772
2773         PR target/35453
2774         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
2775         (_SIDD_XXX): This.
2776
2777 2008-03-04  Rafael Espindola  <espindola@google.com>
2778
2779         * fold-const.c (tree_unary_nonzero_warnv_p): New.
2780         (tree_binary_nonzero_warnv_p): New.
2781         (tree_single_nonzero_warnv_p): New.
2782         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
2783
2784 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
2785
2786         PR middle-end/35456
2787         * fold-const.c (fold_cond_expr_with_comparison): Prevent
2788         transformations for modes that have signed zeros.
2789         * ifcvt.c (noce_try_abs): Ditto.
2790
2791 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
2792
2793         * config/i386/i386.c (override_options): Force
2794         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
2795
2796 2008-03-04  Jan Hubicka  <jh@suse.cz>
2797
2798         PR c++/35262
2799         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
2800         in last commit.
2801
2802 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
2803
2804         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
2805         label to probe the stack.
2806
2807 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
2808
2809         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
2810         (__gthr_win32_mutex_destroy): Declare.
2811         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
2812         __gthr_win32_mutex_destroy.
2813         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
2814
2815 2008-03-03  Jan Hubicka  <jh@suse.cz>
2816
2817         PR c++/35262
2818         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
2819         aggressive on inlining cold calls.
2820
2821 2008-03-03  Richard Guenther  <rguenther@suse.de>
2822
2823         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
2824         struct copies into the expression table.
2825         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
2826         (try_to_simplify): Likewise.
2827         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
2828         integral and pointer arguments which do not change the
2829         precision to NOP_EXPRs.
2830         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
2831         VIEW_CONVERT_EXPR case.
2832
2833 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2834
2835         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
2836         defined in a loop at depth 0 is invariant.
2837         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
2838         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
2839         be called at loop depth 0.
2840
2841 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
2842
2843         PR driver/35420
2844         * gcc.c (process_command): Update copyright notice dates.
2845         * gcov.c (print_version): Likewise.
2846         * gcov-dump.c (print_version): Likewise.
2847         * mips-tfile.c (main): Likewise.
2848         * mips-tdump.c (main): Likewise.
2849
2850 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2851
2852         PR 24924
2853         * c-common.c (flag_permissive): Delete.
2854         (constant_expression_warnings): Check flags first.
2855         (constant_expression_error): New.
2856         * c-common.h (flag_permissive): Delete.
2857         (constant_expression_error): Declare.
2858         * flags.h (flag_permissive): Declare. Update description.
2859         * diagnostic.c (pedwarn): Update.
2860         (permerror): New.
2861         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
2862         (permissive_error_kind): New.
2863         * toplev.c (flag_permissive): Define. Update description.
2864         * toplev.h (permissive_error_kind): Declare.
2865         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
2866         (pedwarn_c90): Use pedantic_warning_kind.
2867         * c-opts.c (c_common_post_options): flag_permissive does not affect
2868         flag_pedantic_errors.
2869
2870 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
2871
2872         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
2873         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
2874         __absvsi2, __absvDI2): Use unsigned arithmetic.
2875
2876 2008-03-02  Andi Kleen  <ak@suse.de>
2877             Richard Guenther  <rguenther@suse.de>
2878
2879         * struct-equiv.c: Remove file.
2880         * cfg_cleanup.c (condjump_equiv_p): Remove.
2881         * Makefile.in (OBJS-common): Remove struct-equiv.o.
2882         (struct-equiv.o): Remove rule.
2883         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
2884         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
2885         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
2886
2887 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2888
2889         * ifcvt.c (noce_process_if_block): Try to handle only the then
2890         block if the else block exists but isn't suitable.
2891
2892 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
2893
2894         PR gcc/35063
2895         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
2896         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
2897         regression from previous patch.
2898
2899 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
2900
2901         PR gcc/35063
2902         * gthr.h: Add __gthread_mutex_destroy as a function that must be
2903         implemented.
2904         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
2905         * gthr-single.h (__gthread_mutex_destroy): Likewise.
2906         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
2907         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
2908         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
2909         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
2910         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
2911         (__gthread_mutex_destroy_function): Rename to
2912         __gthread_mutex_destroy.
2913         * gthr-dce.h (__gthread_mutex_destroy): Call
2914         pthread_mutex_destroy.
2915         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
2916         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
2917         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
2918
2919 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2920
2921         * df-scan.c (df_ref_chain_change_bb): Simplify.
2922         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
2923         set_block_for_insn if there's any change.
2924         * df.h ((df_insn_change_bb): Fix prototype.
2925         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
2926         df_insn_change_bb, don't call set_block_for_insn.
2927         * emit-rtl.c (reorder_insns): Likewise.
2928         * haifa-sched.c (move_insn): Likewise.
2929
2930 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2931
2932         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
2933
2934 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2935
2936         * tree-flow-inline.h (next_readonly_imm_use): Return
2937         NULL_USE_OPERAND_P after the end.
2938
2939 2008-03-01  Richard Guenther  <rguenther@suse.de>
2940
2941         PR tree-optimization/35411
2942         * tree-sra.c (sra_build_assignment): Split conversion to
2943         final type to a separate statement if we are not assigning
2944         to a register.
2945
2946 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2947
2948         * fold-const.c (fold_convertible_p): Correct the logic to follow
2949         that in fold_convert().
2950
2951 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
2952
2953         PR c++/35315
2954         * tree-inline.c (build_duplicate_type): When we make a
2955         duplicate type, make it unique in the canonical types system.
2956
2957 2008-02-29  Tom Tromey  <tromey@redhat.com>
2958
2959         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
2960         input_file_stack_history, input_file_stack_restored): Remove.
2961         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2962         * input.h (struct file_stack): Remove.
2963         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2964         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
2965         Likewise.
2966         * diagnostic.h (struct diagnostic_context) <last_module>: Change
2967         type.
2968         (diagnostic_last_module_changed): Add 'map' argument.
2969         (diagnostic_set_last_function): Likewise.
2970         * diagnostic.c (undiagnostic_report_current_module): Iterate using
2971         line map, not input_file_stack.
2972         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
2973
2974 2008-02-29  Paul Brook  <paul@codesourcery.com>
2975
2976         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
2977
2978 2008-02-29  Paul Brook  <paul@codesourcery.com>
2979
2980         * config/arm/ieee754-df.S (muldf3): Use RET macros.
2981
2982 2008-02-29  Richard Guenther  <rguenther@suse.de>
2983
2984         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
2985         vn_lookup_or_add.
2986         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
2987         value for comparing for a store match.
2988         (simplify_unary_expression): Do nothing for SSA_NAMEs.
2989         (try_to_simplify): Do not do a full-blown reference lookup.
2990
2991 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
2992
2993         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
2994         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2995
2996         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
2997
2998 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
2999
3000         * tree-loop-linear.c (try_interchange_loops): Compare memory access
3001         strides against cache sizes.
3002
3003 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
3004
3005         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
3006         constant to fpul.
3007
3008 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
3009
3010         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
3011         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
3012         is smaller than the original promoted value.
3013         (simplify_subreg): If OP is a SUBREG, try to preserve its
3014         SUBREG_PROMOTED_VAR_P information.
3015
3016 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
3017
3018         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
3019         (VN_INFO_GET): Allocate new objects on the obstack.
3020         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
3021         for rpo_numbers_temp, for consistency.
3022         (free_scc_vn): Free the obstack.
3023
3024 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
3025
3026         * doc/invoke.texi: Document -ftree-loop-distribution.
3027         * tree-loop-distribution.c: New.
3028         * tree-pass.h (pass_loop_distribution): New.
3029         * graphds.h (struct graph): Add htab_t indices.
3030         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
3031         * tree-vectorizer.c (rename_variables_in_loop): Extern.
3032         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
3033         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
3034         * tree-data-ref.c (debug_data_dependence_relations): New.
3035         (dump_data_dependence_relation): Also print data references.
3036         (free_data_ref): Extern.
3037         (same_access_functions): Moved...
3038         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
3039         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
3040         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
3041         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
3042         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
3043         (stmts_from_loop): Skip LABEL_EXPR.
3044         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
3045         New.
3046         (build_rdg): Initialize rdg->indices htab.
3047         (free_rdg, stores_from_loop, ref_base_address,
3048         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
3049         have_similar_memory_accesses_1, ref_base_address_1,
3050         remove_similar_memory_refs): New.
3051         * tree-data-ref.h: Depend on tree-chrec.h.
3052         (debug_data_dependence_relations, free_data_ref): Declared.
3053         (same_access_functions): ... here.
3054         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
3055         New.
3056         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
3057         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
3058         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
3059         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
3060         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
3061         rdg_vertex_for_stmt): Declared.
3062         (struct rdg_edge): Add level.
3063         (RDGE_LEVEL): New.
3064         (free_rdg, stores_from_loop, remove_similar_memory_refs,
3065         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
3066         Declared.
3067         (rdg_has_similar_memory_accesses): New.
3068         * tree-vect-analyze.c: Remove unused static decls.
3069         * lambda.h (dependence_level): New.
3070         * common.opt (ftree-loop-distribution): New.
3071         * tree-flow.h (mark_virtual_ops_in_bb, 
3072         slpeel_tree_duplicate_loop_to_edge_cfg,
3073         rename_variables_in_loop): Declared.
3074         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
3075         (OBJS-common): Add tree-loop-distribution.o.
3076         (tree-loop-distribution.o): New rule.
3077         * tree-cfg.c (mark_virtual_ops_in_bb): New.
3078         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
3079         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
3080
3081 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
3082
3083         PR target/33963
3084         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
3085         other than structures and unions.
3086
3087 2008-02-28  Richard Guenther  <rguenther@suse.de>
3088
3089         Revert:
3090         2008-02-26  Richard Guenther  <rguenther@suse.de>
3091
3092         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3093         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3094         (lookup_decl_from_uid): Declare.
3095         (remove_decl_from_map): Likewise.
3096         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3097         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3098         (decl_for_uid_map): New global hashtable mapping DECL_UID
3099         to the decl tree.
3100         (init_ttree): Allocate it.
3101         (insert_decl_to_uid_decl_map): New helper function.
3102         (make_node_stat): Insert new decls into the map.
3103         (copy_node_stat): Likewise.
3104         (lookup_decl_from_uid): New function.
3105         (remove_decl_from_map): Likewise.
3106         (print_decl_for_uid_map_statistics): New helper.
3107         (dump_tree_statistics): Call it.
3108
3109         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3110         (referenced_var_iterator): Adjust.
3111         (FOR_EACH_REFERENCED_VAR): Adjust.
3112         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3113         (num_referenced_vars): Adjust.
3114         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3115         (first_referenced_var): Remove.
3116         (end_referenced_vars_p): Likewise.
3117         (next_referenced_var): Likewise.
3118         (referenced_var_iterator_set): New helper function.
3119         * tree-dfa.c (referenced_var_lookup): Adjust.
3120         (referenced_var_check_and_insert): Likewise.
3121         (remove_referenced_var): Likewise.
3122         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3123         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3124         (verify_call_clobbering): Likewise.
3125         (verify_memory_partitions): Likewise.
3126         (init_tree_ssa): Allocate bitmap instead of hashtable for
3127         referenced_vars.
3128         (delete_tree_ssa): Adjust.
3129         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3130         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3131         (compute_tag_properties): Likewise.
3132         (set_initial_properties): Likewise.
3133         (find_partition_for): Likewise.
3134         (update_reference_counts): Likewise.
3135         (dump_may_aliases_for): Likewise.
3136         * tree-ssa-operands.c (add_virtual_operand): Likewise.
3137         (add_call_clobber_ops): Likewise.
3138         (add_call_read_ops): Likewise.
3139         (get_asm_expr_operands): Likewise.
3140         * tree-into-ssa.c (dump_decl_set): Likewise.
3141         (update_ssa): Likewise.
3142         * tree-sra.c (scan_function): Likewise.
3143         (decide_instantiations): Likewise.
3144         (scalarize_parms): Likewise.
3145         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3146         (dsa_named_for): Likewise.
3147         * tree-ssa-structalias.c (update_alias_info): Likewise.
3148         (merge_smts_into): Likewise.
3149
3150 2008-02-27  David Daney  <ddaney@avtrex.com>
3151
3152         PR target/34409
3153         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
3154         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
3155         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
3156         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
3157         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
3158
3159 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
3160
3161         PR target/25477
3162         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
3163         (BUILT_IN_NEXTTOWARD): Remove.
3164         (BUILT_IN_NEXTTOWARDF): Ditto.
3165         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
3166         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
3167
3168 2008-02-27  Tom Tromey  <tromey@redhat.com>
3169
3170         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
3171         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
3172
3173 2008-02-27  Jan Beulich  <jbeulich@novell.com>
3174
3175         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
3176         update the respective field on newdecl.
3177
3178 2008-02-27  Revital Eres  <eres@il.ibm.com>
3179
3180         PR rtl-optimization/34999
3181         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
3182         crossing edges that ends with a call insn.
3183         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
3184         call insn and clear the EDGE_CROSSING flag of the crossing edge
3185         when fixing fallthru edges.
3186
3187 2008-02-27  Richard Guenther  <rguenther@suse.de>
3188
3189         PR middle-end/35390
3190         * fold-const.c (fold_unary): Return the correct argument,
3191         converted to the result type.
3192
3193 2008-02-27  Richard Guenther  <rguenther@suse.de>
3194
3195         PR middle-end/34971
3196         * expr.c (expand_expr_real_1): Assert on rotates that operate
3197         on partial modes.
3198         * fold-const.c (fold_binary): Use the types precision, not the
3199         bitsize of the mode if folding rotate expressions.  Build rotates
3200         only for full modes.
3201
3202 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
3203
3204         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
3205         and CPP_PRAGMA_EOL.
3206         * c-pragma.c (pragma_ns_name): New typedef.
3207         (registered_pp_pragmas): New variable.
3208         (c_pp_lookup_pragma): New function.
3209         (c_register_pragma_1): If flag_preprocess_only, do nothing
3210         for non-expanded pragmas, for expanded ones push pragma's
3211         namespace and name into registered_pp_pragmas vector.
3212         (c_invoke_pragma_handler): Register OpenMP pragmas even when
3213         flag_preprocess_only, don't register GCC pch_preprocess
3214         pragma if flag_preprocess_only.
3215         * c-opts.c (c_common_init): Call init_pragma even if
3216         flag_preprocess_only.
3217         * c-pragma.c (c_pp_lookup_pragma): New prototype.
3218         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
3219         cpp_register_pragma if flag_preprocess_only.
3220
3221 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3222
3223         PR c/28800
3224         * c-parser.c (c_parser_translation_unit): Warn for empty
3225         translation unit, not empty source file.
3226
3227 2008-02-26  Paul Brook  <paul@codesourcery.com>
3228
3229         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
3230         operand for Thumb-2.
3231         * config/arm/arm.h (reg_class): Add CORE_REGS.
3232         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
3233         (BASE_REG_CLASS): Use CORE_REGS.
3234         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
3235         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
3236         (REGNO_OK_FOR_INDEX_P): Exclude SP.
3237         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
3238         ARM_REGNO_OK_FOR_INDEX_P.
3239         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
3240         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
3241         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
3242         (ldm/stm peepholes): Ditto.
3243         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
3244         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
3245         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
3246         * config/arm/constraints.md: Enable "k" constraint on ARM.
3247
3248 2008-02-27  Ben Elliston  <bje@au.ibm.com>
3249
3250         * config/rs6000/rs6000.c: Annotate cache line size field in all
3251         instances of struct processor_costs.
3252
3253 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
3254
3255         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
3256         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
3257         jump_bypass): New counters.
3258         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
3259         * dce.c (gate_ud_dce): Same.
3260         (gate_fast_dce): Same.
3261         * dse.c (gate_dse1): New function.
3262         (gate_dse2): New function.
3263         (gate_dse): Merge results of new gate functions.
3264         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
3265         (gate_handle_jump_bypass): Add dbg_cnt.
3266         (gate_handle_gcse): Add dbg_cnt.
3267         * ifcvt.c (gate_handle_if_conversion): Same.
3268         (gate_handle_if_after_combine): Same.
3269         (gate_handle_if_after_reload): Same.
3270         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
3271
3272 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
3273
3274         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
3275         line sizes.
3276         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
3277
3278 2008-02-26  Jason Merrill  <jason@redhat.com>
3279
3280         PR c++/35315
3281         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
3282         alone if it's the naming decl for the type's main variant.
3283
3284 2008-02-26  Tom Tromey  <tromey@redhat.com>
3285
3286         * system.h (USE_MAPPED_LOCATION): Poison.
3287         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
3288         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
3289         (make_goto_expr_edges): Likewise.
3290         (remove_bb): Likewise.
3291         (execute_warn_function_return): Likewise.
3292         * basic-block.h (struct edge_def) <goto_locus>: Change type to
3293         location_t.
3294         * c-common.c (fname_decl): Remove old location code.
3295         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
3296         location code.
3297         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
3298         variant.
3299         (ASM_INPUT_SOURCE_LOCATION): Likewise.
3300         (gen_rtx_ASM_INPUT): Likewise.
3301         (gen_rtx_ASM_INPUT_loc): Likewise.
3302         (get_rtx_asm_OPERANDS): Remove.
3303         * cfglayout.c (insn_locators_alloc): Remove old location code.
3304         (set_curr_insn_source_location): Likewise.
3305         (curr_insn_locator): Likewise.
3306         * print-tree.c (print_node): Remove old location code.
3307         * tree-mudflap.c (mf_varname_tree): Remove old location code.
3308         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
3309         * cfgexpand.c (expand_gimple_cond_expr): Don't use
3310         location_from_locus.
3311         (construct_exit_block): Remove old location code.
3312         * emit-rtl.c (force_next_line_note): Remove old location code.
3313         * profile.c (branch_prob): Remove old location code.
3314         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
3315         LOC_LINE): Remove old-location variants.
3316         * langhooks.c (lhd_print_error_function): Remove old location
3317         code.
3318         * configure, config.in: Rebuilt.
3319         * configure.ac (--enable-mapped-location): Remove.
3320         * c-decl.c (c_init_decl_processing): Remove old location code.
3321         (finish_function): Likewise.
3322         * recog.c (decode_asm_operands): Remove old location code.
3323         * c-pch.c (c_common_read_pch): Remove old location code.
3324         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
3325         variants.
3326         * gimple-low.c (lower_function_body): Remove old location code.
3327         * toplev.c (unknown_location): Remove.
3328         (push_srcloc): Remove old-location variant.
3329         (process_options): Remove old location code.
3330         (lang_dependent_init): Likewise.
3331         * input.h (UNKNOWN_LOCATION): Move definition.
3332         (location_t): Undeprecate.
3333         (source_locus): Remove.
3334         (location_from_locus): Remove.
3335         (struct location_s): Remove.
3336         Remove all old-location code.
3337         (input_line, input_filename): Remove.
3338         * final.c (final_scan_insn): Remove old location code.
3339         * diagnostic.c (diagnostic_build_prefix): Remove
3340         USE_MAPPED_LOCATION test.
3341         * tree.h (gimple_stmt) <locus>: Now a location_t.
3342         (tree_exp) <locus>: Likewise.
3343         (DECL_IS_BUILTIN): Remove old-location variant.
3344         (annotate_with_file_line, annotate_with_locus): Likewise.
3345         (expr_locus, set_expr_locus): Update.
3346         * tree.c (build1_stat): Remove old location code.
3347         (last_annotated_node): Remove.
3348         (annotate_with_file_line): Remove old-location variant.
3349         (annotate_with_locus): Likewise.
3350         (expr_location): Remove old location code.
3351         (set_expr_location): Likewise.
3352         (expr_has_location): Likewise.
3353         (expr_locus): Likewise.
3354         (set_expr_locus): Likewise.
3355         (expr_filename): Don't use location_from_locus.
3356         (expr_lineno): Likewise.
3357         * rtl-error.c (location_for_asm): Remove old location code.
3358         * c-lex.c (cb_line_change): Remove old location code.
3359         (fe_file_change): Likewise.
3360         (cb_def_pragma): Likewise.
3361         (c_lex_with_flags): Likewise.
3362         * gengtype.c (do_typedef): Don't special-case location types.
3363         (define_location_structures): Remove.
3364         (main): Don't call define_location_structures.
3365         * tree-pretty-print.c (dump_implicit_edges): Remove old location
3366         code.
3367
3368 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3369
3370         PR 26264
3371         * builtins.def (BUILT_IN_STDARG_START): Remove.
3372         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
3373         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
3374         * tree-inline.c (inline_forbidden_p_1): Likewise.
3375         
3376 2008-02-26  Richard Guenther  <rguenther@suse.de>
3377
3378         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3379         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3380         (lookup_decl_from_uid): Declare.
3381         (remove_decl_from_map): Likewise.
3382         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3383         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3384         (decl_for_uid_map): New global hashtable mapping DECL_UID
3385         to the decl tree.
3386         (init_ttree): Allocate it.
3387         (insert_decl_to_uid_decl_map): New helper function.
3388         (make_node_stat): Insert new decls into the map.
3389         (copy_node_stat): Likewise.
3390         (lookup_decl_from_uid): New function.
3391         (remove_decl_from_map): Likewise.
3392         (print_decl_for_uid_map_statistics): New helper.
3393         (dump_tree_statistics): Call it.
3394
3395         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3396         (referenced_var_iterator): Adjust.
3397         (FOR_EACH_REFERENCED_VAR): Adjust.
3398         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3399         (num_referenced_vars): Adjust.
3400         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3401         (first_referenced_var): Remove.
3402         (end_referenced_vars_p): Likewise.
3403         (next_referenced_var): Likewise.
3404         (referenced_var_iterator_set): New helper function.
3405         * tree-dfa.c (referenced_var_lookup): Adjust.
3406         (referenced_var_check_and_insert): Likewise.
3407         (remove_referenced_var): Likewise.
3408         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3409         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3410         (verify_call_clobbering): Likewise.