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Removal of Return with Depressed Stack Pointer support
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
2
3         Removal of Return with Depressed Stack Pointer support
4         * tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete.
5         (ECF_SP_DEPRESSED): Likewise.
6         (ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust.
7         * calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED.
8         (flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED.
9         (expand_call): Do not test ECF_SP_DEPRESSED.
10         * dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED.
11         * function.c (keep_stack_depressed): Delete.
12         (handle_epilogue_set): Likewise.
13         (update_epilogue_consts): Likewise.
14         (emit_equiv_load): Likewise.
15         (thread_prologue_and_epilogue_insns): Remove support for Return with
16         Depressed Stack Pointer.
17         * print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED.
18
19 2008-04-06  Richard Guenther  <rguenther@suse.de>
20
21         PR tree-optimization/35400
22         * tree-vrp.c (vrp_evaluate_conditional): Only query value-range
23         information from SSA_NAMEs.
24
25 2008-04-06  Anatoly Sokolov <aesok@post.ru>
26
27         * config/avr/avr.h (avr_mega_p): Remove declaration.
28         (AVR_MEGA): Remove macro.
29         * config/avr/avr.c (avr_mega_p): Remove variable.
30         (avr_override_options): Remove inicializion of avr_mega_p.
31         Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
32         (print_operand): Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
33         (avr_jump_mode): (Ditto.).
34         (avr_output_progmem_section_asm_op): (Ditto.).
35         (avr_asm_init_sections): (Ditto.).
36         (avr_asm_init_sections): (Ditto.).
37         (avr_rtx_costs): (Ditto.).
38         * config/avr/avr.md: (Ditto.).
39         * config/avr/avr.h: Use '__AVR_HAVE_JMP_CALL__' instead of 
40         '__AVR_MEGA__'.
41
42 2008-04-06  Richard Guenther  <rguenther@suse.de>
43
44         PR tree-optimization/35842
45         * tree-ssa-address.c (fixed_address_object_p): Adjust to match
46         is_gimple_invariant_address.
47
48 2008-04-06  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
49
50         * gcc.c (default_compilers): Sync Fortran extensions list with
51         that in fortran/lang-specs.h.
52         * doc/invoke.texi: Likewise.
53         * dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
54         * dwarf2out.c (gen_compile_unit_die): Likewise.
55
56 2008-04-06  Tom G. Christensen  <tgc@jupiterrise.com>
57
58         * gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &.
59
60 2008-04-05  Uros Bizjak  <ubizjak@gmail.com>
61
62         PR target/12329
63         * config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
64         attribute is used for nested functions.
65
66 2008-04-05  Jan Hubicka  <jh@suse.cz>
67
68         * emit-rtl.c (init_emit): xcalloc regno_pointer_align.
69
70         * tree-dump.c (dump_enable_all): Remove prototype; do not accept
71         letter argument.
72         (dump_files): Update.
73         (enable_rtl_dump_file): Do not accept letter argument.
74         * tree-pass.h (dump_file_info): Remove letter argument.
75         * toplev.c (decode_d_option): Update -da handling.
76         * toplev.h (enable_rtl_dump_file): Update prototype.
77         * passes.c (register_one_dump_file): Do not accept IPA argument; work
78         it out based on pass type.
79         (register_dump_files_1): Likewise.
80         (init_optimization_passes): Update register_one_dump_file calls.
81         (execute_one_pass): Sanity check that IPA passes are called at IPA
82         level and RTL passes at RTL level.
83         (execute_pass_list): IPA pass can not be after or subpass of
84         GIMPLE/RTL pass.
85         (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
86         disallov RTL subpasses of IPA subpasses.
87
88 2008-04-05  Ben Elliston  <bje@au.ibm.com>
89
90         * tree-cfg.c (need_fake_edge_p): Return false for calls to
91         builtins that return exactly once and do not throw. Cache call to
92         call_expr_flags.
93
94 2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>
95
96         PR rtl-optimization/34916
97         PR middle-end/35519
98         * combine.c (create_log_links): Do not create duplicate LOG_LINKS
99         between instruction pairs.
100
101 2008-04-04  Naveen.H.S  <naveen.hs@kpitcummins.com>
102
103         * doc/invoke.texi: Document -mbitops for SH.
104         * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
105         * config/sh/predicates.md (bitwise_memory_operand): New predicate.
106         * config/sh/sh.c (print_operand): Add %t operand code.
107         * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
108         * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
109         (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
110         (extendqihi2): Likewise.
111         (movqi_i): Likewise.
112         (insv): Use bset, bclr and bst instructions for SH2A if possible.
113         (extv): Use bld instruction for SH2A if possible.
114         (extzv): Likewise.
115         (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
116         bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
117         bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
118         (bset.b, bclr.b): Define peepholes.
119         * config/sh/sh.opt (mbitops): New option.
120
121 2008-04-04  Janis Johnson  <janis187@us.ibm.com>
122
123         PR target/35620
124         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
125         and view convert expression.
126
127 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
128
129         PR target/35364
130         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
131
132 2008-04-04  H.J. Lu  <hongjiu.lu@intel.com>
133
134         * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.
135
136         * config/i386/cpuid.h (bit_AES): New.
137         (bit_PCLMUL): Likewise.
138
139         * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
140         (override_options): Handle PTA_AES and PTA_PCLMUL.  Enable
141         SSE2 if AES or PCLMUL is enabled.
142         (ix86_builtins): Add IX86_BUILTIN_AESENC128,
143         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
144         IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
145         IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
146         (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
147         (bdesc_2arg): Add IX86_BUILTIN_AESENC128,
148         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
149         IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
150         (bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
151         (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
152         __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
153         __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
154         __builtin_ia32_aeskeygenassist128 and
155         __builtin_ia32_pclmulqdq128.
156         * config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
157         (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
158         IX86_BUILTIN_PSRLDQI128.  Handle IX86_BUILTIN_AESKEYGENASSIST128.
159
160         * config/i386/i386.h (TARGET_AES): New.
161         (TARGET_PCLMUL): Likewise.
162         (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.
163
164         * config/i386/i386.md (UNSPEC_AESENC): New.
165         (UNSPEC_AESENCLAST): Likewise.
166         (UNSPEC_AESDEC): Likewise.
167         (UNSPEC_AESDECLAST): Likewise.
168         (UNSPEC_AESIMC): Likewise.
169         (UNSPEC_AESKEYGENASSIST): Likewise.
170         (UNSPEC_PCLMUL): Likewise.
171
172         * config/i386/i386.opt (maes): New.
173         (mpclmul): Likewise.
174
175         * config/i386/sse.md (aesenc): New pattern.
176         (aesenclast): Likewise.
177         (aesdec): Likewise.
178         (aesdeclast): Likewise.
179         (aesimc): Likewise.
180         (aeskeygenassist): Likewise.
181         (pclmulqdq): Likewise.
182
183         * config/i386/wmmintrin.h: New.
184
185         * doc/extend.texi: Document AES and PCLMUL built-in function.
186
187         * doc/invoke.texi: Document -maes and -mpclmul.
188
189 2008-04-04  Paolo Bonzini  <bonzini@gnu.org>
190
191         * function.c (free_after_parsing): Replace with
192         cxx_push_function_context from C++ front-end.
193         (allocate_struct_function): Don't call langhook.
194         * langhooks.h (struct lang_hooks_for_functions): Delete.
195         (struct lang_hooks): Add back missing_noreturn_ok_p here, delete
196         member "function".
197         * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
198         (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
199         LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
200         LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
201         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
202         remove LANG_HOOKS_FUNCTION_INITIALIZER.
203         * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.
204
205         * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
206         Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
207         
208 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
209
210         PR c/35440
211         * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
212         for all types.
213
214 2008-04-04  Richard Guenther  <rguenther@suse.de>
215
216         PR middle-end/35823
217         * fold-const.c (optimize_minmax_comparison): Use the correct
218         type for the constant in the simplified comparison.
219
220 2008-04-04  Zuxy Meng <zuxy.meng@gmail.com>
221
222         * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
223         Pass L2 size as "--param l2-cache-size" to the compiler.
224         (decode_l2_cache): New function to decode L2 cache parameters using
225         0x8000006 extended cpuid function.
226         (detect_caches_amd): Determine parameters of L2 cache using
227         decode_l2_caches function.
228         (decode_caches_intel): Decode L2 cache parameters.
229         (detect_caches_intel): Determine L2 cache parameters using
230         decode_caches_intel and decode_l2_caches functions.
231
232 2008-04-03  Bob Wilson  <bob.wilson@acm.org>
233
234         * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
235         secondary input reload for subword loads from the constant pool.
236
237 2008-04-03  Janis Johnson  <janis187@us.ibm.com>
238
239         PR target/35713
240         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
241           constants of the appropriate size for runtime calculations.
242
243         PR c/35712
244         * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
245           decimal-float literal constant zero.
246
247 2008-04-03  Jakub Jelinek  <jakub@redhat.com>
248
249         PR c/35738
250         * c-parser.c (c_parser_omp_atomic): Call
251         default_function_array_conversion on the RHS.
252
253         PR middle-end/35818
254         * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
255         call is_variable_sized if decl has incomplete type.
256
257 2008-04-03  H.J. Lu  <hongjiu.lu@intel.com>
258
259         * config/i386/i386-protos.h (ix86_aligned_p): Removed.
260
261 2008-04-03  Adam Nemet  <anemet@caviumnetworks.com>
262
263         * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
264         iterators.
265         (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and
266         leu.
267         (sgt<u>): Merge sgt and sgtu into new expander.
268         (sgt, sgtu): Remove expanders.
269         (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new
270         pattern.
271         (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
272         (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
273         *sgtu_<mode>_mips16 into new pattern.
274         (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
275         (sge<u>): Merge sge and sgeu into new expander.
276         (sge, sgeu): Remove expanders.
277         (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
278         new pattern.
279         (*sge_<mode>, second *sge_<mode>): Remove patterns.
280         (slt<u>): Merge slt and sltu into new expander.
281         (slt, sltu): Remove expanders.
282         (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new
283         pattern.
284         (*slt_<mode>, *sltu_<mode>): Remove patterns.
285         (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
286         *sltu_<mode>_mips16 into new pattern.
287         (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
288         (sle<u>): Merge sle and sleu into new expander.
289         (sle, sleu): Remove expanders.
290         (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new
291         pattern.
292         (*sle_<mode>, *sleu_<mode>): Remove patterns.
293         (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
294         *sleu_<mode>_mips16 into new pattern.
295         (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
296
297 2008-04-03  Jan Hubicka  <jh@suse.cz>
298
299         PR tree-optimization/35795
300         * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
301         * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
302         * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
303         * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
304         * score/score3.c (score3_output_mi_thunk): Likewise.
305         * score/score7.c (score7_output_mi_thunk): Likewise.
306         * mips/mips.c (mips_output_mi_thunk): Likewise.
307
308 2008-04-03  Richard Guenther  <rguenther@suse.de>
309
310         * tree-vrp.c (extract_range_from_unary_expr): Handle all
311         conversions.  Simplify code.
312
313 2008-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
314
315         * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
316
317 2008-04-03  Tom Tromey  <tromey@redhat.com>
318             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
319
320         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
321         * config/bfin/t-bfin-linux (generated_files): Add
322         linux-sysroot-suffix.h.
323         * doc/install.texi (Prerequisites): Require make 3.80.
324         * doc/sourcebuild.texi (Front End Directory): Document new
325         variable.
326         * Makefile.in (generated_files): New variable.
327         (ALL_HOST_OBJS): New variable.
328         ($(ALL_HOST_OBJS)): New target.
329
330 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
331
332         * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
333         (remap_block): Call id->transform_lang_insert_block instead
334         of langhook.
335         (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
336         Set id.transform_lang_insert_block to NULL.
337         (clone_body): Move to cp/optimize.c
338         * tree-inline.h (struct copy_body_data): Change
339         transform_lang_insert_block to function pointer.
340         (copy_generic_body, copy_decl_no_change): Export.
341         * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
342         * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
343         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
344
345         * c-tree.h (insert_block): Kill.
346         * c-decl.c (insert_block): Kill.
347
348 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
349
350         * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
351         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
352         * c-tree.h (c_push_function_context, c_pop_function_context): Remove
353         argument.
354         * c-decl.c (c_push_function_context, c_pop_function_context): Remove
355         argument, call {push,pop}_function_context from here.
356         * c-parser.c: Use c_{push,pop}_function_context.
357
358         * function.c (push_function_context_to): Move meat ...
359         (push_function_context): ... here.  Simplify.
360         * function.c (pop_function_context_from): Move meat ...
361         (pop_function_context): ... here.  Simplify.
362         * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
363         leave_nested).
364         * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
365         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
366         (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
367         * tree.h (push_function_context_to, pop_function_context_from): Remove.
368
369 2008-04-03  Ben Elliston  <bje@au.ibm.com>
370
371         * expmed.c (extract_force_align_mem_bit_field): Remove.
372
373 2008-04-03  Richard Guenther  <rguenther@suse.de>
374
375         PR middle-end/35800
376         * expr.h (try_casesi): Adjust prototype.
377         * expr.c (try_casesi): Take fallback label as extra parameter.
378         Use that for gen_casesi if default_label is NULL.
379         * stmt.c (expand_case): Pass fallback label to try_casesi,
380         make sure to fill gaps with a fallback label if default_label
381         is not present.
382
383 2008-04-03  Dominique d'Humieres <dominiq@lps.ens.fr>
384
385         PR target/35801
386         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
387
388 2008-04-03  Ben Elliston  <bje@au.ibm.com>
389
390         * expmed.c (extract_split_bit_field): Remove if (0) code.
391         * tree-ssa-structalias.c (do_sd_constraint): Likewise.
392         (do_ds_constraint): Likewise.
393
394 2008-04-02  Joseph Myers  <joseph@codesourcery.com>
395
396         * doc/cppopts.texi (-dU): Document.
397         * c-common.h (flag_dump_macros): Update comment.
398         * c-opts.c (handle_OPT_d): Handle -dU.
399         * c-ppoutput.c (macro_queue, define_queue, undef_queue,
400         dump_queued_macros, cb_used_define, cb_used_undef): New.
401         (init_pp_output): Handle -dU.
402         (cb_line_change): Call dump_queued_macros.
403         * toplev.c (decode_d_option): Accept -dU as preprocessor option.
404
405 2008-04-02  Anatoly Sokolov <aesok@post.ru>
406
407         * config/avr/predicates.md (io_address_operand): New predicate. 
408         * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
409         * config/avr/avr.c (avr_io_address_p): Remove function.
410         (out_movqi_r_mr): Use 'io_address_operand' predicate instead of 
411         'avr_io_address_p' function.
412         (out_movhi_r_mr): (Ditto.).
413         (out_movqi_mr_r): (Ditto.).
414         (out_movhi_mr_r): (Ditto.).
415         (avr_address_cost): (Ditto.).
416
417 2008-04-02  Uros Bizjak  <ubizjak@gmail.com>
418
419         * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
420         Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
421         in 32bit mode when XMM registers are available to avoid store
422         forwarding stalls.
423         (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
424         corresponding post-reload splitters.
425
426 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
427
428         * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
429         and __builtin_ia32_shufpd.  Provide __builtin_ia32_roundsd and
430         __builtin_ia32_roundss.
431         (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
432         __builtin_ia32_shufpd, __builtin_ia32_roundsd and
433         __builtin_ia32_roundss.
434         (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
435         IX86_BUILTIN_SHUFPD here.
436
437 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
438
439         * config/i386/i386.md (plogic): New.
440         (plogicprefix): Likewise.
441
442         * config/i386/mmx.md (mmx_<code><mode>3): New.
443         (mmx_and<mode>3): Removed.
444         (mmx_ior<mode>3): Likewise.
445         (mmx_xor<mode>3): Likewise.
446
447         * config/i386/sse.md (<code><mode>3): New.
448         (*<code><mode>3): Likewise.
449         (*<code><mode>3): Likewise.
450         (<code><mode>3): Likewise.
451         (*sse_<code><mode>3): Likewise.
452         (*sse2_<code><mode>3): Likewise.
453         (<code>tf3): Likewise.
454         (*<code>tf3): Likewise.
455         (and<mode>3): Likewise.
456         (*and<mode>3): Likewise.
457         (ior<mode>3): Removed.
458         (*ior<mode>3): Likewise.
459         (xor<mode>3): Likewise.
460         (*xor<mode>3): Likewise.
461         (*and<mode>3): Likewise.
462         (*ior<mode>3): Likewise.
463         (*xor<mode>3): Likewise.
464         (and<mode>3): Likewise.
465         (*sse_and<mode>3): Likewise.
466         (*sse2_and<mode>3): Likewise.
467         (andtf3): Likewise.
468         (*andtf3): Likewise.
469         (ior<mode>3): Likewise.
470         (*sse_ior<mode>3): Likewise.
471         (*sse2_ior<mode>3): Likewise.
472         (iortf3): Likewise.
473         (*iortf3): Likewise.
474         (xor<mode>3): Likewise.
475         (*sse_xor<mode>3): Likewise.
476         (*sse2_xor<mode>3): Likewise.
477         (xortf3): Likewise.
478         (*xortf3): Likewise.
479
480 2008-04-02  Richard Guenther  <rguenther@suse.de>
481
482         PR tree-optimization/14495
483         PR tree-optimization/34793
484         * tree-vrp.c (struct switch_update): New structure.
485         (to_remove_edges, to_update_switch_stmts): New VECs.
486         (simplify_switch_using_ranges): New function.  Remove not taken
487         case labels and edges.
488         (simplify_stmt_using_ranges): Call it.
489         (identify_jump_threads): Mark edges we have queued for removal
490         so we don't thread them.
491         (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
492         case label vector.
493         * tree-cfg.c (group_case_labels): Deal with missing default label.
494         (tree_verify_flow_info): Allow missing default label.
495         * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
496         (emit_case_nodes): Likewise.
497         (expand_case): Do not rely on the default label to be present.
498         * expr.c (try_casesi): Deal with NULL default_label.
499         (do_tablejump): Likewise.
500
501 2008-04-02  Richard Guenther  <rguenther@suse.de>
502
503         PR tree-optimization/14495
504         * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
505         SWITCH_EXPR here ...
506         (vrp_visit_switch_stmt): ... but here (new function).
507         (find_case_label_index): New helper function.
508         (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
509
510 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
511
512         * fwprop.c: Fix ISO-C99ism.
513
514 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
515
516         PR bootstrap/35752
517         * Makefile.in (objdir): Set it here.
518         * configure.ac: Not here.  Find dynamic linker characteristics.
519         * exec-tool.in: Use them.
520         * aclocal.m4: Regenerate.
521         * configure: Regenerate.
522
523 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
524
525         * expr.c (expand_var): Delete it.
526         * expr.h (expand_var): Delete prototype.
527         * function.c (expand_function_start): Use expand_decl instead.
528         * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
529         langhook.
530
531 2008-04-02  Andy Hutchinson <hutchinsonamdy@aim.com>
532
533         PR rtl-optimization/35542
534         * fwprop.c (forward_propagate_and_simplify): Replace
535         loc_reg_mentioned_in_p with reg_mentioned_p.
536
537 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
538
539         PR rtl-optimization/35281
540         * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
541         (propagate_rtx_1): Handle PR_HANDLE_MEM.
542         (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
543         (varying_mem_p): Move above propagate_rtx.
544         (all_uses_available_at): Do not check MEMs.
545
546 2008-04-02  Rafael Espindola  <espindola@google.com>
547
548         * tree-vrp.c (extract_code_and_val_from_cond): Remove.
549         (register_edge_assert_for_2): Split the cond argument.
550         (register_edge_assert_for_1): Adjust for the change in
551         register_edge_assert_for_2.
552         (register_edge_assert_for): Split the cond argument.
553         (find_switch_asserts): Adjust for the change in
554         register_edge_assert_for.
555
556 2008-04-02  Kai Tietz  <kai.tietz@onevision.com>
557
558         * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
559         * gcc/config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
560         offsets for 64-bit mingw.
561         * gcc/config/i386/i386.c (ix86_pass_by_reference): Correct calling
562         abi for x86_64-pc-mingw.
563
564 2008-04-02  Richard Guenther  <rguenther@suse.de>
565
566         * tree-vrp.c (extract_range_from_assert): Make sure to not
567         produce range min/max with TREE_OVERFOW set.
568         If merging a anti-range and a range keep the anti-range if
569         the range covers all values of the type.
570         (register_edge_assert_for_2): Only allow sign-changing
571         conversions in detecting canonical range checks.  Also
572         register an assert for the unsigned name if useful.
573
574         PR tree-optimization/35787
575         * tree-vrp.c (vrp_val_max): New function.
576         (vrp_val_min): Likewise.
577         (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
578         (vrp_val_is_min): Likewise.
579         (supports_overflow_infinity): Use vrp_val_{min,max}.
580         (negative_overflow_infinity): Likewise.
581         (positive_overflow_infinity): Likewise.
582         (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
583         (is_positive_overflow_infinity): Likewise.
584         (is_overflow_infinity): Likewise.
585         (avoid_overflow_infinity): Use vrp_val_{min,max} and
586         vrp_val_is_{min,max}.
587         (set_and_canonicalize_value_range): Canonicalize anti-ranges
588         to ranges if possible.  Avoid empty ranges.
589
590 2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
591
592         PR middle-end/35705
593         * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
594         the expression is a function address.
595
596 2008-04-01  George Helffrich  <george@gcc.gnu.org>
597
598         PR fortran/PR35154, fortran/PR23057
599         * fortran/trans-common.c (create_common):  Add decl to function
600         chain to preserve identifier scope in debug output.
601
602         * dbxout.c: Emit .stabs debug info for Fortran COMMON block
603         variables as base symbol name + offset using N_BCOMM/N_ECOMM.
604         (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
605         (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
606         in common.
607         (dbxout_syms): Check for COMMON-based symbol and wrap in
608         N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
609         in bracket for efficiency.
610
611         * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
612         using DW_TAG_common_block + member offset.
613         (add_pubname_string): New function.
614         (dw_expand_expr): New function to find block name and offset for
615         COMMON var.
616         (common_check): New function to check whether symbol in Fortran COMMON.
617         (gen_variable_die): If COMMON, use DW_TAG_common_block.
618
619         * testsuite/gcc.dg/debug/pr35154.c:  New test to check that non-Fortran
620         use of common is unchanged.
621
622         * testsuite/lib/gfortran-dg.exp:  New harness to compile Fortran progs
623         with all combinations of debug options available on target.
624         * testsuite/gfortran.dg/debug/debug.exp:  Ditto.
625         * testsuite/gfortran.dg/debug/trivial.f:  Ditto.
626         * testsuite/gfortran.dg/debug/pr35154-stabs.f:  New test case for
627         .stabs functionality.
628         * testsuite/gfortran.dg/debug/pr35154-dwarf2.f:  New test case for
629         DWARF functionality.
630
631 2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>
632
633         PR c/35436
634         * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
635
636 2008-04-02  Ben Elliston  <bje@au.ibm.com>
637
638         * config/v850/v850.md (casesi): Remove if (0) code.
639         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
640         * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
641
642 2008-04-01  Uros Bizjak  <ubizjak@gmail.com>
643
644         * config/i386/i386.md (rex64suffix): New mode attribute.
645         (floathi<mode>2): Disable expander for SSE math.
646         (*floathi<mode>2_1): New insn insn_and_split pattern.
647         (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
648         corresponding post-reload splitters.
649         (*floathi<mode>2_i387): New macroized insn pattern.
650         (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
651         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
652         insn_and_split pattern.
653         (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
654         New macroized instruction patterns and corresponding post-reload
655         splitters.
656         (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
657         and corresponding post-reload splitters.
658         (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
659         New macroized instruction patterns.
660         (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
661         macroized instruction patterns and corresponding post-reload splitters.
662         (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
663         corresponding post-reload splitters.
664         (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
665         New macroized instruction patterns.
666         (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
667         corresponding post-reload splitters.
668         (*floatsi<mode>2_i387): New macroized instruction patterns.
669
670 2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>
671
672         * config/i386/i386.md (smaxmin): New.
673         (umaxmin): Likewise.
674         (maxminiprefix): Likewise.
675         (maxminfprefix): Likewise.
676         (<code><mode>3): Likewise.
677         (smin<mode>3): Removed.
678         (smax<mode>3): Likewise.
679
680         * config/i386/mmx.md (mmx_<code>v2sf3): New.
681         (mmx_<code>v4hi3): Likewise.
682         (mmx_<code>v8qi3): Likewise.
683         (mmx_smaxv2sf3): Removed.
684         (mmx_sminv2sf3): Likewise.
685         (mmx_umaxv8qi3): Likewise.
686         (mmx_smaxv4hi3): Likewise.
687         (mmx_uminv8qi3): Likewise.
688         (mmx_sminv4hi3): Likewise.
689
690         * config/i386/sse.md (<addsub><mode>3): New.
691         (*<addsub><mode>3): Likewise.
692         (<sse>_vm<addsub><mode>3): Likewise.
693         (<maxmin><mode>3): Likewise.
694         (*<maxmin><mode>3_finite): Likewise.
695         (*<maxmin><mode>3): Likewise.
696         (<sse>_vm<maxmin><mode>3): Likewise.
697         (sse3_h<addsub>v4sf3): Likewise.
698         (sse3_h<addsub>v2df3): Likewise.
699         (<maxmin>v16qi3): Likewise.
700         (*<maxmin>v16qi3): Likewise.
701         (<maxmin>v8hi3): Likewise.
702         (*<maxmin>v8hi3): Likewise.
703         (*sse4_1_<maxmin><mode>3): Likewise.
704         (*sse4_1_<maxmin><mode>3): Likewise.
705         (add<mode>3): Removed.
706         (*add<mode>3): Likewise.
707         (<sse>_vmadd<mode>3): Likewise.
708         (sub<mode>3): Likewise.
709         (*sub<mode>3): Likewise.
710         (<sse>_vmsub<mode>3): Likewise.
711         (smin<mode>3): Likewise.
712         (*smin<mode>3_finite): Likewise.
713         (*smin<mode>3): Likewise.
714         (<sse>_vmsmin<mode>3): Likewise.
715         (smax<mode>3): Likewise.
716         (*smax<mode>3_finite): Likewise.
717         (*smax<mode>3): Likewise.
718         (<sse>_vmsmax<mode>3): Likewise.
719         (sse3_haddv4sf3): Likewise.
720         (sse3_haddv2df3): Likewise.
721         (sse3_hsubv4sf3): Likewise.
722         (sse3_hsubv2df3): Likewise.
723         (umaxv16qi3): Likewise.
724         (*umaxv16qi3): Likewise.
725         (smaxv8hi3): Likewise.
726         (*smaxv8hi3): Likewise.
727         (*sse4_1_smax<mode>3): Likewise.
728         (*sse4_1_umax<mode>3): Likewise.
729         (uminv16qi3): Likewise.
730         (*uminv16qi3): Likewise.
731         (sminv8hi3): Likewise.
732         (*sminv8hi3): Likewise.
733         (*sse4_1_smin<mode>3): Likewise.
734         (*sse4_1_umin<mode>3): Likewise.
735
736 2008-04-01  Rafael Espindola  <espindola@google.com>
737
738         * tree-cfg.c (verify_expr): remove in_phi.
739         (verify_stmt): Don't call walk_tree with verify_expr. Use
740         is_gimple_min_invariant instead of is_gimple_val.
741
742 2008-04-01  Joseph Myers  <joseph@codesourcery.com>
743
744         * doc/include/gpl_v3.texi: Update for manpage generation.
745         * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
746         gpl.texi.
747         * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
748         * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
749         gpl_v3.texi instead of gpl.texi.
750         (gpl.pod): New.
751
752 2008-04-01  Jakub Jelinek  <jakub@redhat.com>
753
754         PR pch/13675
755         * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
756
757 2008-04-01  Rafael Espindola  <espindola@google.com>
758
759         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
760         (extract_code_and_val_from_cond): Use
761         extract_code_and_val_from_cond_with_ops.
762
763 2008-04-01  Jan Hubicka  <jh@suse.cz>
764
765         * function.c (free_after_compilation): Free epilogue_delay_list.
766         (prepare_function_start): Assert that previous compilation was freed.
767
768 2008-04-01  Jan Hubicka  <jh@suse.cz>
769             Jim Wilson  <wilson@tuliptree.org>
770             Andreas Tobler <andreast@gcc.gnu.org>
771
772         PR middle-end/35781
773         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
774         rtl.emit instead cfun->emit.
775         * sparc/sparc.h (INIT_EXPANDERS): Likewise.
776         * ia64/ia64.h (INIT_EXPANDERS): Likewise.
777
778 2008-04-01  Ben Elliston  <bje@au.ibm.com>
779
780         * doc/c-tree.texi (Function Basics): Fix grammatical error.
781
782 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
783
784         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
785         New options
786         (fprofile-use): Add var flag_profile_use
787         * coverage.c (coverage_begin_output): Do not open a gcno file for
788         output only if -ftest-coverage is set.
789         Do not add getpwd() to gcda file path.
790         (build_gcov_info): Check the new flag
791         flag_profile_datafile_relative_path.
792         (coverage_init): Use profile_data_prefix.
793         Read profile counter only if flag_profile_use is set.
794         * opts.c (common_handle_option): New option fprofile-use=,
795         fprofile-dir=, fprofile-generate=.
796         * toplev.c (profile_data_prefix): New variable definition.
797         * toplev.h (profile_data_prefix): New declaration.
798         * doc/invoke.tex (Option Summary, Optimization Options):
799         Add new options.
800
801 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
802
803         * varasm.c (output_constant_pool_1): In LABEL_REF check,
804         use tmp consistently.
805
806         PR target/35695
807         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
808         * config/ia64/ia64.c (rtx_needs_barrier): Handle
809         UNSPEC_FR_RECIP_APPROX_RES.
810         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
811
812 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
813
814         PR c/35750
815         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
816
817 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
818
819         PR middle-end/30186
820         * fold-const.c (fold_indirect_ref_1): Support accessing non first
821         element of the vector via a pointer.
822
823 2008-03-31  Ian Lance Taylor  <iant@google.com>
824
825         * tlink.c (scan_linker_output): Look for symbol name in single quotes.
826
827 2008-03-31  Jan Hubicka  <jh@suse.cz>
828
829         * builtins.c (expand_builtin_setjmp_receiver): Update call of
830         get_arg_pointer_save_area.
831         * expr.c (init_expr): Just clear out rtl.expr.
832         * function.c (free_after_compilation): Clear out whole RTL structure.
833         (get_func_frame_size): Merge into ...
834         (get_frame_size): ... this one.
835         (assign_stack_local_1): Merge into ...
836         (assign_stack_local): ... this one.
837         (expand_function_end): Update call of get_arg_pointer_save_area.
838         (get_art_pointer_save_area): Remove cfun argument.
839         * function.h (emit_status): regno_pointer_align does not need length
840         attribute. Move x_regno_reg_rtx to ...
841         (regno_reg_rtx): ... new global array.
842         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
843         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
844         apply_args_value, forced_labels, stack_pointer_delta):
845         Update accestors.
846         (struct varasm_status): Move here from varasm.c
847         (struct rtl_data): New. Move here some fields from struct function.
848         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
849         frame_offset, stack_check_probe_note, arg_pointer_save_area,
850         used_temp_slots avail_temp_slots, temp_slot_level,
851         nonlocal_goto_handler_labels): Update accesstors.
852         (rtl): New global variable.
853         (struct function): Move some fileds to rtl_data.
854         (get_arg_pointer_save_area): Update prototype.
855         * emit-rtl.c (rtl): Declare.
856         (regno_reg_rtx): Declare.
857         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
858         Update.
859         (gen_reg_rtx): Update.
860         (init_virtual_regs): Do not tate emit_status argument.
861         (init_emit): Do not allocate emit.
862         * varasm.c (varasm_statuc): Move to function.h.
863         (n_deferred_constatns): Update accestor.
864         (init_varasm_status): Do not allocate varasm_status.
865         (force_const_mem, get_pool_size, output_constant_pool): Update.
866         * stmt.c (force_label_rtx): Do not use x_ prefixes.
867         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
868
869 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
870
871         PR rtl-optimization/35729
872         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
873         references.
874
875 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
876
877         PR target/32000
878         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
879         load/store if memory is unaligned.
880         (*movti_rex64): Likewise.
881
882         * config/i386/predicates.md (misaligned_operand): New.
883
884 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
885
886         PR tree-opt/35431
887         * tree-ssa-phiopt.c (conditional_replacement): Return early for
888         complex types.
889
890 2008-03-31  Jan Beulich  <jbeulich@novell.com>
891
892         * config/ia64/constraints.md: Add 'j' constraint.
893         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
894         (movdi_internal): Likewise.
895
896 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
897
898         PR c/35748
899         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
900
901 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
902
903         PR target/35757
904         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
905         proper error message for the third argument on blendpd and
906         blendps.
907
908         * config/i386/sse.md (blendbits): New.
909         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
910
911 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
912
913         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
914
915 2008-03-30  Richard Guenther  <rguenther@suse.de>
916
917         PR middle-end/31023
918         * fold-const.c (fold_sign_changed_comparison): Do leave
919         conversions to base-types alone.
920
921 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
922
923         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
924         the link register if one altivec register is be saved.
925
926 2008-03-30  Ben Elliston  <bje@au.ibm.com>
927
928         * final.c (final_scan_insn): Remove if (0) code.
929
930 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
931
932         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
933
934 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
935
936         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
937         of V4SFmode to ix86_binary_operator_ok.
938
939 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
940
941         * config/i386/i386.c (override_options): Initialize
942         ix86_veclib_handler to ix86_veclibabi_svml when
943         -mveclibabi=svml is used.
944         (ix86_veclibabi_svml): New function for SVML ABI style
945         vectorization support.
946         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
947
948 2008-03-28  Rafael Espindola  <espindola@google.com>
949
950         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
951         (tree_binary_nonnegative_warnv_p): Make it public.
952         (tree_single_nonnegative_warnv_p): Make it public.
953         (tree_invalid_nonnegative_warnv_p): Make it public.
954         (tree_unary_nonzero_warnv_p): Make it public.
955         (tree_binary_nonzero_warnv_p): Make it public
956         (tree_single_nonzero_warnv_p): Make it public.
957         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
958         (extract_range_from_binary_expr): Split the expr argument.
959         (extract_range_from_unary_expr): Split the expr argument.
960         (extract_range_from_comparison): Split the expr argument.
961         (extract_range_from_expr): Use the new aux functions.
962         (vrp_evaluate_conditional_warnv): Use
963         vrp_evaluate_conditional_warnv_with_ops.
964         * tree.h (tree_unary_nonzero_warnv_p): Declare.
965         (tree_binary_nonzero_warnv_p): Declare.
966         (tree_single_nonzero_warnv_p): Declare.
967         (tree_expr_nonzero_warnv_p): Declare.
968         (tree_unary_nonnegative_warnv_p): Declare.
969         (tree_binary_nonnegative_warnv_p): Declare.
970         (tree_single_nonnegative_warnv_p): Declare.
971         (tree_invalid_nonnegative_warnv_p): Declare.
972
973 2008-03-28  Richard Guenther  <rguenther@suse.de>
974
975         PR tree-optimization/30317
976         PR tree-optimization/30911
977         PR tree-optimization/34793
978         * tree-vrp.c (set_and_canonicalize_value_range): New function.
979         (struct assert_locus_d): New member EXPR.
980         (register_new_assert_for): Add EXPR parameter to support
981         ASSERT_EXPR <name, expr OP limit>.
982         (register_edge_assert_for_1): Adjust callers.
983         (find_assert_locations): Likewise.
984         (process_assert_insertions_for): Build condition from expression.
985         (extract_range_from_assert): Handle ASSERT_EXPRs
986         of the form ASSERT_EXPR <name, expr OP limit>.
987         (register_edge_assert_for_2): New helper registering
988         asserts for comparisons.  Recognize range tests of the form
989         (unsigned)i - CST1 OP CST2.
990         (register_edge_assert_for_1): Use it.
991         (register_edge_assert_for): Likewise.
992         (needs_overflow_infinity): Integer sub-types
993         do not need overflow infinities.
994         (vrp_val_is_max): The extreme values of integer sub-types
995         are those of the base type.
996         (vrp_val_is_min): Likewise.
997         * tree.def (ASSERT_EXPR): Document extra allowed conditional
998         expressions.
999
1000 2008-03-28  Nick Clifton  <nickc@redhat.com>
1001
1002         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
1003         Return GENERAL_REGS for stack adjustment reloads.
1004
1005 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1006
1007         PR target/31334
1008         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
1009         const_vector when all the vectors are constant.
1010
1011 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
1012
1013         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
1014         comparisons.
1015         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
1016         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
1017         (scc_sf): New.
1018         (s<code>_sf): Use new scc_sf attribute for opcode names.
1019
1020 2008-03-27  Tom Tromey  <tromey@redhat.com>
1021
1022         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
1023         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
1024         config/spu/t-spu-elf, config/i386/t-interix,
1025         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
1026         config/i386/x-darwin, config/i386/x-mingw32,
1027         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
1028         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
1029         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
1030         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
1031         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
1032         config/rs6000/x-darwin, config/rs6000/t-rs6000,
1033         config/score/t-score-elf, config/arm/t-strongarm-pe,
1034         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
1035         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
1036         Revert automatic dependency patch.
1037
1038 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
1039
1040         PR target/35657
1041         * config/i386/i386.c (ix86_function_arg_boundary): Align
1042         decimal floating point to its natural boundary.
1043
1044 2008-03-27  Richard Guenther  <rguenther@suse.de>
1045
1046         PR middle-end/35716
1047         * fold-const.c (fold_comparison): Restrict distinct decl
1048         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
1049         solely rely on operand_equal_p.
1050
1051 2008-03-27  Richard Guenther  <rguenther@suse.de>
1052
1053         PR c/32511
1054         * c-common.c (handle_weak_attribute): Reject combination of
1055         weak and inline.
1056
1057 2008-03-27  Richard Guenther  <rguenther@suse.de>
1058
1059         PR tree-optimization/32810
1060         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
1061         conversions from DECL_INITIAL.
1062         (fold_const_aggregate_ref): Likewise from constructor elements.
1063
1064 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
1065
1066         * tree-affine.h (aff_combination_expand): Declare.
1067         (get_inner_reference_aff): Likewise.
1068         * tree-affine.c (aff_combination_expand): Split out from
1069         tree_to_aff_combination_expand.
1070         (get_inner_reference_aff): New function.
1071         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
1072         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
1073         (struct lim_aux_data): sm_done field removed.
1074         (mem_ref_loc_p, mem_ref_locs_p): New types.
1075         (struct mem_ref): Added id, stored, accesses_in_loop,
1076         indep_loop, dep_loop, indep_ref, dep_ref fields.
1077         Removed is_stored, locs and next fields.
1078         (memory_accesses): New variable.
1079         (movement_possibility): Do not allow moving statements
1080         that store to memory.
1081         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
1082         New functions.
1083         (determine_max_movement): For statements with memory references,
1084         find the outermost loop in that the reference is independent.
1085         (move_computations_stmt): Mark the virtual operands for renaming.
1086         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
1087         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
1088         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
1089         add_vop_ref_mapping, create_vop_ref_mapping_loop,
1090         create_vop_ref_mapping, analyze_memory_references,
1091         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
1092         get_all_locs_in_loop, ref_always_accessed_p,
1093         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
1094         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
1095         store_motion_loop, store_motion): New functions.
1096         (struct vop_to_refs_elt): New type.
1097         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
1098         memref_hash, memref_eq, hoist_memory_references): Rewritten.
1099         (schedule_sm): Replaced by...
1100         (execute_sm): ... this.
1101         (determine_lsm_ref, hoist_memory_references,
1102         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
1103         find_more_ref_vops, free_mem_ref, free_mem_refs,
1104         determine_lsm_loop, determine_lsm): Removed.
1105         (tree_ssa_lim_finalize): Free data structures used by store motion.
1106         (tree_ssa_lim): Call analyze_memory_references.  Use
1107         store_motion instead of determine_lsm.
1108
1109 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
1110
1111         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
1112         rename tmake_file to m68hc11/t-m68hc11.
1113         (mcore): Set inhibit_libc to true.
1114         * config.host (alpha*-dec-*vms*): Set extra_programs.
1115         (interix3*): Don't use host_xmake_file.
1116         * configure.ac: Let config.gcc override inhibit_libc.
1117         * configure: Regenerate.
1118
1119         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
1120         * config/t-openbsd-thread: Remove commented out lines.
1121         
1122         * config/x-interix: Remove.
1123
1124         * config/m68hc11/t-m68hc11-gas: Rename to...
1125         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
1126
1127         * config/mcore/t-mcore: Remove T_CFLAGS.
1128         * config/mcore/t-mcore-pe: Likewise.
1129
1130 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
1131
1132         * configure.ac: Replace custom __GNU_SOURCE test with
1133         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
1134         * aclocal.m4: Regenerate.
1135         * configure: Regenerate.
1136         * config.in: Regenerate.
1137
1138 2008-03-27  Richard Guenther  <rguenther@suse.de>
1139
1140         * fold-const.c (target.h): Include.
1141         (fold_comparison): Fold comparison of addresses of decls
1142         that bind locally or of constants.  Consolidate address folding code.
1143         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
1144         results from fold_binary_to_constant.
1145         (compare_values_warnv): Likewise.
1146
1147 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
1148
1149         PR middle-end/35429
1150         * fold-const.c (fold_truthop): Check for integeral types when folding
1151         a == 0 && b == 0 and a != 0 || b != 0 .
1152
1153 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
1154
1155         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
1156
1157 2008-03-26  Andreas Schwab  <schwab@suse.de>
1158
1159         * doc/invoke.texi: Fix use of @item vs. @itemx.
1160
1161 2008-03-26  Tom Tromey  <tromey@redhat.com>
1162
1163         * Makefile.in (build/gensupport.o, build/print-rtl.o,
1164         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
1165         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
1166         build/gencodes.o, build/genconditions.o, build/genconfig.o,
1167         build/genconstants.o, build/genemit.o, build/genextract.o,
1168         build/genflags.o, build/genmddeps.o, build/genopinit.o,
1169         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
1170         options.h.
1171
1172 2008-03-26  Richard Guenther  <rguenther@suse.de>
1173
1174         Revert
1175         2008-03-26  Richard Guenther  <rguenther@suse.de>
1176
1177         * fold-const.c (target.h): Include.
1178         (fold_comparison): Fold comparison of addresses of two decls
1179         that bind locally.  Consolidate address folding code.
1180
1181 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1182
1183         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
1184         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
1185         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
1186         dconstsqrt2, dconstthird, dconste and/or dconst10.
1187         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
1188         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
1189         dconstsqrt2, dconste): Delete.
1190         (init_emit_once): Likewise.  Simplify initializing dconstm1.
1191         Constify variable.
1192         * real.c (get_real_const): New.
1193         * real.h (dconst3, dconst10, dconstm2, dconstthird,
1194         dconstsqrt2, dconste): Delete.
1195         (real_value_const, get_real_const): New.
1196
1197 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
1198
1199         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
1200
1201         * config/i386/i386.c (ix86_function_arg_boundary): Check
1202         BIGGEST_ALIGNMENT instead of 128.
1203         (setup_incoming_varargs_64): Likewise.
1204
1205 2008-03-26  Tom Tromey  <tromey@redhat.com>
1206
1207         * Makefile.in (DEPFILES): Add missing '/'.
1208
1209 2008-03-26  Richard Guenther  <rguenther@suse.de>
1210
1211         * fold-const.c (target.h): Include.
1212         (fold_comparison): Fold comparison of addresses of two decls
1213         that bind locally.  Consolidate address folding code.
1214
1215 2008-03-26  Nick Clifton  <nickc@redhat.com>
1216
1217         PR target/31232
1218         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
1219         not allow INT+INT as a legitimate addressing mode.
1220
1221 2008-03-26  Richard Guenther  <rguenther@suse.de>
1222
1223         * tree-flow.h (widen_bitfield): Remove declaration.
1224         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
1225         (widen_bitfield): Remove function.
1226         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
1227         code.
1228
1229 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1230
1231         PR target/31558
1232         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
1233         error_mark_node's.
1234
1235 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
1236
1237         PR rtl-optimization/35232
1238         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
1239         (forget_old_reloads_1, forget_marked_reloads): Don't clear
1240         reg_reloaded_call_part_clobbered here.
1241         (reload_regs_reach_end_p): New function.
1242         (reload_reg_rtx_for_input): New variable.
1243         (reload_reg_rtx_for_output): Likewise.
1244         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
1245         when reassigning a pseudo register.  Load reloadreg from 
1246         reload_reg_rtx_for_input, moving the mode and register
1247         calculation to...
1248         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
1249         instead of the original when deciding whether an input reload
1250         would be a no-op or whether an output reload can be deleted.
1251         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
1252         when setting up new_spill_reg_store.  Load it from
1253         reload_reg_rtx_for_output, moving the mode and register
1254         calculation to...
1255         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
1256         instead of the original when deciding whether an output reload
1257         would be a no-op.  Do the same when modifying insn notes.
1258         Use rtx_equal_p instead of == to compare the registers.
1259         (inherit_piecemeal_p): Take a mode and two register numbers
1260         as argument.
1261         (emit_reload_insns): Clear new_spill_reg_store for every hard
1262         register in the reload register.  Remove spill registers
1263         from reg_reloaded_valid before considering whether to record
1264         inheritance information for them.  Use reload_reg_rtx_for_output
1265         instead of reg_rtx when recording output reloads.  Use
1266         reload_reg_rtx_for_input instead of reg_rtx when recording
1267         input reloads.  Set or clear reg_reloaded_call_part_clobbered
1268         at the same time as setting reg_reloaded_valid.
1269         (delete_output_reload): Add a new_reload_reg parameter and use it
1270         instead of rld[j].reg_rtx.
1271         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
1272         calls accordingly.
1273
1274 2008-03-25  Tom Tromey  <tromey@redhat.com>
1275
1276         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
1277         (build/genattr.o): Likewise.
1278         (build/genattrtab.o): Likewise.
1279         (build/gencodes.o): Likewise.
1280         (build/genconfig.o): Likewise.
1281         (build/genconstants.o): Likewise.
1282         (build/genemit.o): Likewise.
1283         (build/genextract.o): Likewise.
1284         (build/genflags.o): Likewise.
1285
1286 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
1287         
1288         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
1289         instead of size_int for integer types.
1290         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
1291         to match type of MINUS_EXPR.
1292         
1293 2008-03-25  Tom Tromey  <tromey@redhat.com>
1294
1295         * configure: Rebuilt.
1296         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
1297         Makefile.
1298
1299 2008-03-25  Tom Tromey  <tromey@redhat.com>
1300
1301         * config/x-solaris (host-solaris.o): Update.
1302         * config/x-linux (host-linux.o): Update.
1303         * config/x-hpux (host-hpux.o): Update.
1304         * config/x-darwin (host-darwin.o): Update.
1305         * config/v850/t-v850e (v850-c.o): Update.
1306         * config/v850/t-v850 (v850-c.o): Update.
1307         * config/t-vxworks (vxworks.o): Update.
1308         * config/t-sol2 (sol2-c.o, sol2.o): Update.
1309         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
1310         * config/spu/t-spu-elf (spu-c.o): Update.
1311         (spu.o): Remove.
1312         * config/sh/t-symbian (sh-c.o): Update.
1313         (symbian.o): Update.
1314         * config/sh/t-sh (sh-c.o): Update.
1315         * config/score/t-score-elf (score7.o, score3.o): Update.
1316         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
1317         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
1318         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
1319         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
1320         (rs6000.o): Remove.
1321         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
1322         * config/m32c/t-m32c (m32c-pragma.o): Update.
1323         * config/ia64/t-ia64 (ia64-c.o): Update.
1324         * config/i386/x-mingw32 (host-mingw32.o): Update.
1325         * config/i386/x-i386 (driver-i386.o): Update.
1326         * config/i386/x-darwin (host-i386-darwin.o): Update.
1327         * config/i386/x-cygwin (host-cygwin.o): Update.
1328         * config/i386/t-nwld (nwld.o): Update.
1329         * config/i386/t-netware (netware.o): Update.
1330         * config/i386/t-interix (winnt.o): Update.
1331         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
1332         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
1333         msformat-c.o): Update.
1334         * config/bfin/t-bfin-linux (generated_files): Add
1335         linux-sysroot-suffix.h.
1336         * config/arm/t-wince-pe (pe.o): Update.
1337         * config/arm/t-strongarm-pe (pe.o): Update.
1338         * config/arm/t-pe (pe.o): Update.
1339         * config/arm/t-arm (arm-c.o): Update.
1340         * doc/install.texi (Prerequisites): Require make 3.80.
1341         * Makefile.in: Remove .o targets.
1342         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
1343         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
1344         (simple_generated_h, simple_generated_c): Move earlier.
1345         (generated_files): New variable.
1346         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
1347         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
1348         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
1349         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
1350         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
1351         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
1352         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
1353         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
1354         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
1355         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
1356         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
1357         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
1358         (.c.o): Remove.
1359         (COMPILE.base, COMPILE): New variables.
1360         (%.o): New pattern rule.
1361         (ALL_HOST_OBJS): New variable.
1362         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
1363         (dummy-checksum.o, cc1-checksum.o): Remove.
1364         (DRIVER_SHLIB): New variable.
1365         (DRIVER_DEFINES): Use it.
1366         (gencondmd.c): Move out of build/.
1367         (s-conditions): Update.
1368         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
1369         (ALL_BUILD_OBJS): Likewise.
1370         (build/%.o): Use BUILDCOMPILE.
1371         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
1372         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
1373         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
1374         build/gencheck.o, build/gencodes.o, build/genconditions.o,
1375         build/genconfig.o, build/genconstants.o, build/genemit.o,
1376         build/genextract.o, build/genflags.o, build/genmddeps.o,
1377         build/genopinit.o, build/genoutput.o, build/genpeep.o,
1378         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
1379         build/gen-protos.o, build/scan.o, build/fix-header.o,
1380         build/scan-decls.o): Simplify.
1381         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
1382         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
1383         prefix.o, toplev.o): Reduce to variable setting.
1384         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
1385         ($(out_object_file), gcc-options.o): New targets.
1386         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
1387         * configure: Rebuilt.
1388         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
1389         * doc/sourcebuild.texi (Front End Directory): Document new variable.
1390
1391 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
1392
1393         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
1394         complain when we hit an error, return ERROR_MARK_NODE.
1395
1396 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
1397
1398         * config/sh/constraints.md (Pso, Psz): New constraints.
1399         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
1400         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
1401
1402 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
1403
1404         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
1405         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
1406
1407 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
1408
1409         * config/sh/sh.md (prefetch): Add condition for SH2A target.
1410         (prefetch_sh2a): New.   
1411
1412 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
1413             Naveen.H.S  <naveen.hs@kpitcummins.com>
1414
1415         * config/sh/constraints.md (I28): New constraint.
1416         * config/sh/sh.c (broken_move): Add support for movi20s.
1417         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
1418
1419 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
1420             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
1421             Naveen.H.S  <naveen.hs@kpitcummins.com>
1422
1423         * config/sh/sh.c (SH_ATTRIBUTES): Define.
1424         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
1425         (print_operand): Handle resbank in %@ operand code.
1426         (sh_encode_section_info): New.
1427         (push_regs): Add conditions for resbank.
1428         (sh_expand_epilogue): Likewise.
1429         (sh_insert_attributes): Likewise.
1430         (sh_attribute_table): Likewise.
1431         (sh_handle_resbank_handler_attribute): New.
1432         (sh2a_handle_function_vector_handler_attribute): New.
1433         (sh2a_is_function_vector_call): New.
1434         (sh2a_get_function_vector_number): New.
1435         (sh2a_function_vector_p): New.
1436         (sh_cfun_resbank_handler_p): New.
1437         * config/sh/sh.md (calli): Emit jsr/n if possible.
1438         (calli_tbr_rel): New.
1439         (calli_pcrel): Emit jsr/n if possible.
1440         (return_i): Emit rts/n if possible.
1441         (call_valuei_tbr_rel): New.
1442         (call_valuei_pcrel): Add condition for SH2A target.
1443         (call_value): Likewise.
1444         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
1445         (sh2a_get_function_vector_number): Likewise.
1446         (sh2a_is_function_vector_call): Likewise.
1447         * doc/extend.texi: Document TBR relative addressing of SH2A.
1448         (resbank): Add description for SH2A.
1449
1450 2008-03-24  Richard Guenther  <rguenther@suse.de>
1451
1452         PR c/22371
1453         * gimplify.c (gimplify_modify_expr): For frontend type-correct
1454         pointer assignments change conversions according to middle-end rules.
1455         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
1456         * configure.ac: Include type checking in yes.
1457         * configure: Regenerate.
1458
1459 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1460
1461         * diagnostic.c (diagnostic_count_diagnostic): Delete.
1462         (diagnostic_report_diagnostic): Update. Handle ICEs here.
1463         
1464 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
1465
1466         * gthr-vxworks.h (UNUSED): Define.
1467
1468 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
1469
1470         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
1471
1472 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
1473
1474         * doc/extend.texi (Function Attributes): Add missing comma in the
1475         example of the "alloc_size" attribute.
1476         
1477 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
1478
1479         Revert:
1480         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
1481
1482         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1483         32bit host.
1484
1485         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
1486
1487         PR target/35496
1488         * stor-layout.c (update_alignment_for_field): Set minimum alignment
1489         of the underlying type of a MS bitfield layout to the natural
1490         alignment of the type.
1491
1492         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
1493
1494         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
1495         to their natural alignment to avoid store forwarding stalls.
1496
1497 2008-03-22  Richard Guenther  <rguenther@suse.de>
1498
1499         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
1500         For PHI nodes verify the address is invariant.
1501         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
1502         (get_symbol_constant_value): Use is_gimple_min_invariant.
1503         (maybe_fold_stmt_indirect): Likewise.
1504
1505 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
1506
1507         PR rtl-optimization/33927
1508         * Makefile.in (dse.o): Depend on $(TM_P_H).
1509         * expr.h (extract_low_bits): Declare.
1510         * expmed.c (extract_low_bits): New function.
1511         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
1512         * dse.c: Include tm_p.h.
1513         (find_shift_sequence): Remove the read_reg argument and return the
1514         read value.  Emit the instructions instead of returning them.
1515         Iterate on new_mode rather than calculating it each time.
1516         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
1517         source to NEW_MODE and extract_low_bits to convert the shifted
1518         value to READ_MODE.
1519         (replace_read): Allow the load and store to have different mode
1520         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
1521         or extraction instructions before trying the replacement.  Update
1522         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
1523
1524 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
1525
1526         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
1527         to their natural alignment to avoid store forwarding stalls.
1528
1529 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1530
1531         PR target/27946
1532         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
1533         encouraging but not allowing gprs for input;
1534         change the input constraint to !f#r.
1535         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
1536         gprs for output;
1537         change the output constraint to !f#r.
1538
1539 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
1540
1541         PR target/13958
1542         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
1543         corresponding post-reload splitters.
1544         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
1545         when x87 FP math is selected.
1546         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
1547         New function prototype.
1548         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
1549         unreachable function to ease macroization of insn patterns.
1550
1551 2008-03-21  Martin Jambor  <mjambor@suse.cz>
1552
1553         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
1554         reference dumps if ddr is NULL or dependence is unknown.
1555
1556 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1557
1558         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
1559         unsigned extension into account.
1560         (ATOMIC_COMPARE_AND_SWAP): Likewise.
1561         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
1562         Do computations on a scratch register.
1563
1564 2008-03-21  Richard Guenther  <rguenther@suse.de>
1565
1566         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1567         Use is_gimple_min_invariant instead of TREE_INVARIANT.
1568         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
1569         * tree-ssa-dom.c (record_equality): Likewise.
1570         * tree-inline.c (copy_body_r): Likewise.
1571         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
1572         TREE_INVARIANT.
1573
1574 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1575
1576         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
1577         as 'delete_unused' argument.
1578
1579 2008-03-20  Richard Guenther  <rguenther@suse.de>
1580
1581         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
1582         special casing of constant qualifiers.
1583         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
1584         care about them in general.
1585         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
1586         regardless of their type.
1587         (fold_stmt_r): Forcefully fold *& if we end up with that.
1588
1589 2008-03-20  Paul Brook  <paul@codesourcery.com>
1590
1591         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
1592         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
1593         linker flags.
1594         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
1595         definition.
1596         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
1597         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
1598
1599 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
1600
1601         * common.opt (Wmudflap): New option.
1602         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
1603         (mx_register_decls): Likewise.
1604         (mudflap_finish_file): Likewise.
1605         * doc/invoke.texi: Document -Wno-mudflap.
1606
1607 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
1608
1609         * c-format.c (replace_format_name_to_system_name): New.
1610         (cmp_attribs): New.
1611         (convert_format_name_to_system_name): New.
1612         (decode_format_attr): Add use of convert_format_name_to_system_name.
1613         (format_types_orig): Add gnu_ prefix to names.
1614         (check_format_info_main): Special treating of \0 escaped names for
1615         supporting multi-character format specifiers as I32, I64.
1616         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
1617         (gnu_target_overrides_format_attributes): New.
1618         * c-format.h: Add structure target_ovr_attr to hold
1619         system specific formatter names.
1620         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
1621         msformat-c.o file to c_target_objs and cxx_target_objs.
1622         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
1623         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
1624         (TARGET_N_FORMAT_TYPES): New.
1625         * config/i386/msformat-c.c: New.
1626         * config/i386/t-cygming: Add build rule for msformat-c.o.
1627         * doc/extend.texi: Add new format names gnu_* and ms_* and
1628         further details.
1629         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
1630
1631 2008-03-20  Ira Rosen  <irar@il.ibm.com>
1632
1633         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
1634         optimizations turned on under -O3.
1635         (ftree-vectorize): Add that the flag is turned on with -O3.
1636
1637 2008-03-20  Ben Elliston  <bje@au.ibm.com>
1638
1639         * regmove.c (try_auto_increment): Fix spelling error in comment.
1640         * final.c (final_scan_insn): Likewise.
1641
1642 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
1643
1644         PR target/14552
1645         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
1646         allocator preferences for "y" and "r" class registers.
1647         ("*mov<mode>_internal"): Ditto.
1648         ("*movv2sf_internal_rex64"): Ditto.
1649         ("*movv2sf_internal"): Ditto.
1650
1651 2008-03-19  Michael Matz  <matz@suse.de>
1652
1653         PR middle-end/35616
1654         * calls.c (expand_call): Check overlap of arguments with call
1655         address for sibcalls.
1656
1657 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
1658
1659         PR target/35496
1660         * stor-layout.c (update_alignment_for_field): Set minimum alignment
1661         of the underlying type of a MS bitfield layout to the natural
1662         alignment of the type.
1663
1664 2008-03-19  Jan Hubicka  <jh@suse.cz>
1665
1666         PR other/35094
1667         * toplev.c (decode_d_option): Handle all CPP flags.
1668         * tree-vrp.c: Update tree_pass descriptors.
1669         * regrename.c: Update tree_pass descriptors.
1670         * fwprop.c: Update tree_pass descriptors.
1671         * doc/invoke.texi: Remove documentation of dropped -d? flags.
1672         * tree-into-ssa.c: Update tree_pass descriptors.
1673         * tree-dump.c: Update tree_pass descriptors.
1674         * tree-complex.c: Update tree_pass descriptors.
1675         * tree-dump.h: Update tree_pass descriptors.
1676         * see.c: Update tree_pass descriptors.
1677         * cgraphbuild.c: Update tree_pass descriptors.
1678         * tracer.c: Update tree_pass descriptors.
1679         * tree-loop-distribution.c: Update tree_pass descriptors.
1680         * cgraph.c: Update tree_pass descriptors.
1681         * postreload-gcse.c: Update tree_pass descriptors.
1682         * postreload.c: Update tree_pass descriptors.
1683         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
1684         * tree-tailcall.c: Update tree_pass descriptors.
1685         * tree-pass.h (tree_opt_pass): Rename to ...
1686         (opt_pass) ... this one; add "type" field and remove letter field.
1687         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
1688         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
1689         all_lowering_passes): Update declaration.
1690         * ipa-cp.c: Update tree_pass descriptors.
1691         * final.c: Update tree_pass descriptors.
1692         * omp-low.c: Update tree_pass descriptors.
1693         * tree-ssa-dse.c: Update tree_pass descriptors.
1694         * ipa-reference.c: Update tree_pass descriptors.
1695         * tree-ssa-uncprop.c: Update tree_pass descriptors.
1696         * auto-inc-dec.c: Update tree_pass descriptors.
1697         * reorg.c: Update tree_pass descriptors.
1698         * cgraphunit.c: Update tree_pass descriptors.
1699         * tree-ssa-copyrename.c: Update tree_pass descriptors.
1700         * tree-ssa-ccp.c: Update tree_pass descriptors.
1701         * df-core.c: Update tree_pass descriptors.
1702         * mode-switching.c: Update tree_pass descriptors.
1703         * tree-nomudflap.c: Update tree_pass descriptors.
1704         * modulo-sched.c: Update tree_pass descriptors.
1705         * ipa-pure-const.c: Update tree_pass descriptors.
1706         * cse.c: Update tree_pass descriptors.
1707         * web.c: Update tree_pass descriptors.
1708         * tree-stdarg.c: Update tree_pass descriptors.
1709         * tree-ssa-math-opts.c: Update tree_pass descriptors.
1710         * tree-ssa-dom.c: Update tree_pass descriptors.
1711         * tree-nrv.c: Update tree_pass descriptors.
1712         * tree-ssa-alias.c: Update tree_pass descriptors.
1713         * loop-init.c: Update tree_pass descriptors.
1714         * gimple-low.c: Update tree_pass descriptors.
1715         * ipa-inline.c: Update tree_pass descriptors.
1716         * tree-ssa-sink.c: Update tree_pass descriptors.
1717         * global.c: Update tree_pass descriptors.
1718         * ifcvt.c: Update tree_pass descriptors.
1719         * jump.c: Update tree_pass descriptors.
1720         * predict.c: Update tree_pass descriptors.
1721         * tree-ssa-loop.c: Update tree_pass descriptors.
1722         * recog.c: Update tree_pass descriptors.
1723         * dse.c: Update tree_pass descriptors.
1724         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
1725         * tree-eh.c: Update tree_pass descriptors.
1726         * regmove.c: Update tree_pass descriptors.
1727         * local-alloc.c
1728         * function.c: Update tree_pass descriptors.
1729         * tree-vectorizer.c: Update tree_pass descriptors.
1730         * gcse.c: Update tree_pass descriptors.
1731         * ipa-type-escape.c: Update tree_pass descriptors.
1732         * tree-if-conv.c: Update tree_pass descriptors.
1733         * init-regs.c: Update tree_pass descriptors.
1734         * ipa.c: Update tree_pass descriptors.
1735         * tree-ssa-phiopt.c: Update tree_pass descriptors.
1736         * rtl-factoring.c: Update tree_pass descriptors.
1737         * lower-subreg.c: Update tree_pass descriptors.
1738         * bt-load.c: Update tree_pass descriptors.
1739         * tree-dfa.c: Update tree_pass descriptors.
1740         * except.c: Update tree_pass descriptors.
1741         * emit-rtl.c: Update tree_pass descriptors.
1742         * cfgexpand.c: Update tree_pass descriptors.
1743         * tree-cfgcleanup.c: Update tree_pass descriptors.
1744         * cfgcleanup.c: Update tree_pass descriptors.
1745         * tree-ssa-pre.c: Update tree_pass descriptors.
1746         * tree-sra.c: Update tree_pass descriptors.
1747         * tree-mudflap.c: Update tree_pass descriptors.
1748         * tree-ssa-copy.c: Update tree_pass descriptors.
1749         * cfglayout.c: Update tree_pass descriptors.
1750         * tree-ssa-forwprop.c: Update tree_pass descriptors.
1751         * tree-ssa-dce.c: Update tree_pass descriptors.
1752         * tree-ssa.c: Update tree_pass descriptors.
1753         * regclass.c: Update tree_pass descriptors.
1754         * integrate.c: Update tree_pass descriptors.
1755         * tree-optimize.c: Update tree_pass descriptors.
1756         * tree-ssa-phiprop.c: Update tree_pass descriptors.
1757         * tree-object-size.c: Update tree_pass descriptors.
1758         * combine.c: Update tree_pass descriptors.
1759         * tree-outof-ssa.c: Update tree_pass descriptors.
1760         * bb-reorder.c: Update tree_pass descriptors.
1761         * stack-ptr-mod.c: Update tree_pass descriptors.
1762         * var-tracking.c: Update tree_pass descriptors.
1763         * tree-profile.c: Update tree_pass descriptors.
1764         * tree-vect-generic.c: Update tree_pass descriptors.
1765         * reg-stack.c: Update tree_pass descriptors.
1766         * sched-rgn.c: Update tree_pass descriptors.
1767         * tree-ssa-structalias.c: Update tree_pass descriptors.
1768         * tree-cfg.c: Update tree_pass descriptors.
1769         * passes.c (current_pass): Update declaration.
1770         (finish_optimization_passes): Update.
1771         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
1772         (register_one_dump_file, register_dump_files_1, next_pass_1):
1773         Update arguments.
1774         (init_optimization_passes): Update handling of new types.
1775         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
1776         * ipa-struct-reorg.c: Update tree_pass descriptors.
1777         * tree-ssa-reassoc.c: Update tree_pass descriptors.
1778         * combine-stack-adj.c: Update tree_pass descriptors.
1779         * cfgrtl.c: Update tree_pass descriptors.
1780         * dce.c: Update tree_pass descriptors.
1781         * tree-ssanames.c: Update tree_pass descriptors.
1782
1783 2008-03-19  Richard Guenther  <rguenther@suse.de>
1784
1785         PR middle-end/35609
1786         * tree-ssa.c (walk_data): New structure.
1787         (warn_uninitialized_var): If not always_executed warn with "maybe"
1788         instead of "is".
1789         (execute_early_warn_uninitialized): Compute post-dominators.
1790         Initialize always_executed before processing each basic block.
1791
1792 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
1793
1794         PR target/35504
1795         * config/i386/i386.c (x86_this_parameter): Calculate correct location
1796         of "this" pointer when "regparm = N" or "fastcall" is in effect.
1797
1798 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1799
1800         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
1801
1802 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
1803
1804         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
1805         is true.
1806         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
1807         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
1808         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
1809         target after ignore has been set, and move there also the commputation
1810         of subtarget and original_target.
1811         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
1812         (LANG_HOOKS_INITIALIZER): Remove it.
1813         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
1814
1815 2008-03-18  Richard Guenther  <rguenther@suse.de>
1816
1817         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
1818         found an expression with constants, note that in the VN for the lhs.
1819         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
1820         fold them to constants if possible.  Run cleanup_cfg if done so.
1821         (execute_pre): Return todo.
1822         (do_pre): Likewise.
1823         (execute_fre): Likewise.
1824         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
1825         of constants.
1826         (get_prop_source_stmt): Look through pointer conversions.
1827
1828 2008-03-18  Jan Hubicka  <jh@suse.cz>
1829
1830         * tree-pretty-print.c: Include predict.h.
1831         (dump_generic_node): Dump predictor.
1832         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
1833         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
1834         * gimple-low.c (lower_stmt): Likewise.
1835         * expr.c (expand_expr_real): Likewise.
1836         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
1837         them.
1838         (build_predict_expr, build_predict_expr): New.
1839         * predict.h (predictor_name, build_predict_expr): Update.
1840         * c-typeck.c (c_finish_bc_stmt): Add prediction.
1841         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
1842         * predict.def (PRED_CONTINUE): Update hitrate.
1843         * tree.def (PREDICT_EXPR): Define.
1844         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
1845         do not handle BIND_EXPR.
1846         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
1847         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
1848         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
1849         operands.
1850
1851 2008-03-18  Michael Matz  <matz@suse.de>
1852
1853         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
1854
1855 2008-03-18  Richard Guenther  <rguenther@suse.de>
1856
1857         * tree-gimple.h (is_gimple_invariant_address): Declare.
1858         (is_gimple_constant): Likewise.
1859         * tree-gimple.c (is_gimple_constant): New function.
1860         (is_gimple_invariant_address): Likewise.
1861         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
1862         and is_gimple_invariant_address.
1863         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
1864         previous change.
1865         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
1866         an addressable base.
1867
1868 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
1869
1870         PR middle-end/35611
1871         * gimplify.c (gimplify_expr): Gimplify second operand of
1872         OMP_ATOMIC_LOAD.
1873
1874 2008-03-17  Richard Guenther  <rguenther@suse.de>
1875
1876         PR tree-optimization/19637
1877         * fold-const.c (fold_unary): Remove restrictions of removing
1878         intermediate pointer-conversions (P2)(P1)P0.
1879         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
1880         conversion to void pointer.
1881         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
1882
1883 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
1884
1885         PR debug/31510
1886         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
1887         emulated thread local variables.
1888
1889 2008-03-16  Richard Guenther  <rguenther@suse.de>
1890
1891         PR middle-end/35607
1892         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
1893         expand TREE_INVARIANT operations that are not gimple invariant.
1894
1895 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
1896
1897         * doc/extend.texi (Alignment): Say that the ABI controls
1898         the __alignof__ for non-strict-alignment targets rather
1899         than being a recommendation.
1900
1901 2008-03-15  Paul Brook  <paul@codesourcery.com>
1902
1903         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
1904         annotations.
1905         (arm_output_fn_unwind): Mark functions that can not be unwound.
1906
1907 2008-03-15  Paul Brook  <paul@codesourcery.com>
1908
1909         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
1910         extension instructions.
1911
1912 2008-03-15  Richard Guenther  <rguenther@suse.de>
1913
1914         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
1915         and fold constant aggregate refs.
1916         (fold_const_aggregate_ref): Handle string constants
1917         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
1918         (evaluate_stmt): Simplify now that ccp_fold folds constant
1919         aggregate refs.
1920
1921 2008-03-15  Paul Brook  <paul@codesourcery.com>
1922
1923         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
1924         (extzv): Use gen_extzv_t2.
1925         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
1926
1927 2008-03-15  Richard Guenther  <rguenther@suse.de>
1928
1929         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
1930         (fold_const_aggregate_ref): Likewise.
1931         (get_value): Return NULL if we don't have any values.
1932         (ccp_finalize): Set const_val to NULL after freeing it.
1933         * tree-flow.h (get_symbol_constant_value): Declare.
1934         (fold_const_aggregate_ref): Likewise.
1935         * tree-ssa-sccvn.c (try_to_simplify): Use them.
1936
1937 2008-03-15  Richard Guenther  <rguenther@suse.de>
1938
1939         PR middle-end/35593
1940         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
1941         to not produce negative array indices if not allowed.  Add
1942         parameter to indicate that.
1943         (maybe_fold_offset_to_component_ref): Allow negative array
1944         indices only for the first member of a structure.
1945         (maybe_fold_offset_to_reference): Allow negative array indices.
1946         (maybe_fold_stmt_addition): Likewise.
1947
1948 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
1949             Anatoly Sokolov <aesok@post.ru>
1950
1951         * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
1952         (avr_arch): Add ARCH_AVR6.
1953         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
1954         (initial_elimination_offset): Initialize and use 'avr_pc_size' 
1955         instead of fixed value 2.
1956         (print_operand_address): Use gs() asm specifier instead of pm().
1957         (avr_assemble_integer): (Ditto.).
1958         (avr_output_addr_vec_elt): (Ditto.).
1959         (print_operand): Handle "!" code.
1960         * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add 
1961         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
1962         (AVR_HAVE_EIJMP_EICALL): Define.
1963         (AVR_3_BYTE_PC): Redefine.
1964         (AVR_2_BYTE_PC): (Ditto.).
1965         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
1966         (LINK_SPEC): Add atmega2560 and atmega2561.
1967         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561 
1968         (crtm2561.o).
1969         * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall 
1970         for 3 byte PC devices.
1971         (call_value_insn): (Ditto.).
1972         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
1973         (indirect_jump): Use only for for 2 byte PC devices.
1974         (*tablejump): (Ditto.).
1975         (*indirect_jump_avr6): Add insn.
1976         (*tablejump_rjmp): Don't use for 3 byte PC devices.
1977         * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp 
1978         instead of ijmp for 3 byte PC devices.
1979         (__tablejump2__): (Ditto.).
1980         * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
1981         (MULITLIB_DIRNAMES): (Ditto.). 
1982         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
1983
1984 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
1985
1986         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
1987         "sse2_umulsidi3".  Use V1DI mode for operand 0.
1988         ("mmx_psadbw"): Use V1DI mode for operand 0.
1989         * config/i386/i386-modes.def (V1SI): New vector mode.
1990         * config/i386/i386.c (struct builtin_description)
1991         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
1992         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
1993         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
1994         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
1995         v1di_ftype_v8qi_v8qi type.
1996         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
1997
1998         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
1999         __builtin_ia32_pmuludq]: Fix the mode of return value.
2000
2001 2008-03-15  Richard Guenther  <rguenther@suse.de>
2002
2003         PR middle-end/35595
2004         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
2005         being a PHI_NODE.
2006
2007 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
2008         
2009         * doc/invoke.texi (Option Summary, Xtensa Options): Document
2010         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
2011         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
2012         unless TARGET_SERIALIZE_VOLATILE is enabled.
2013         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
2014         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
2015         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
2016
2017 2008-03-14  Richard Guenther  <rguenther@suse.de>
2018
2019         PR tree-optimization/34172
2020         * tree-flow.h (refs_may_alias_p): Declare.
2021         (get_single_def_stmt): Likewise.
2022         (get_single_def_stmt_from_phi): Likewise.
2023         (get_single_def_stmt_with_phi): Likewise.
2024         * tree-dfa.c (refs_may_alias_p): New function.
2025         (get_single_def_stmt): Likewise.
2026         (get_single_def_stmt_from_phi): Likewise.
2027         (get_single_def_stmt_with_phi): Likewise.
2028         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
2029         (vn_reference_lookup_1): New helper function.
2030         (vn_reference_lookup): Walk the virtual use-def chain to
2031         continue searching for a match if the def does not alias the
2032         reference we are looking for.
2033
2034 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
2035
2036         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
2037         archive and Perzl.  Update The Written Word listing.
2038
2039 2008-03-14  Richard Guenther  <rguenther@suse.de>
2040
2041         PR tree-optimization/34043
2042         PR tree-optimization/33989
2043         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
2044         when doing FRE.
2045         (bitmap_find_leader): Use extra argument to verify dominance
2046         relationship inside a basic-block.
2047         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
2048         (find_leader_in_sets): Adjust.
2049         (create_component_ref_by_pieces): Take extra argument for
2050         dominance check, handle lookup failures.
2051         (find_or_generate_expression): Likewise.
2052         (create_expression_by_pieces): Likewise.
2053         (insert_into_preds_of_block): Adjust.
2054         (create_value_expr_from): If asked for, verify all operands
2055         are in the blocks AVAIL_OUT set.
2056         (make_values_for_stmt): Check for SSA_NAMEs that are life
2057         over an abnormal edge.
2058         (compute_avail): Remove such check.
2059         (do_SCCVN_insertion): New function.
2060         (eliminate): If we do not find a leader suitable for replacement
2061         insert a replacement expression from SCCVN if available.
2062         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
2063         (struct vn_ssa_aux): Add needs_insertion flag.
2064         * tree-ssa-sccvn.c (may_insert): New global flag.
2065         (copy_reference_ops_from_ref): Value-number union member access
2066         based on its size, not type and member if insertion is allowed.
2067         (visit_reference_op_load): For a weak match from union type
2068         punning lookup a view-converted value and insert a SSA_NAME
2069         for that value if that is not found.
2070         (visit_use): Make dumps shorter.  Do not disallow value numbering
2071         SSA_NAMEs that are life over an abnormal edge to constants.
2072         (free_scc_vn): Release inserted SSA_NAMEs.
2073         (run_scc_vn): New flag to specify whether insertion is allowed.
2074         Process SSA_NAMEs in forward order.
2075         * tree-ssa-loop-im.c (for_each_index): Handle invariant
2076         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
2077         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
2078         pointer type to/from integral types that do not change the
2079         precision to regular conversions.
2080
2081 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
2082
2083         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
2084         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
2085         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
2086         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
2087         input arguments and the mode of return value.  Built-in functions
2088         that operate on whole 64-bit MMX register now use V1DI mode.
2089
2090 2008-03-13  Alon Dayan  <alond@il.ibm.com>
2091             Olga Golovanevsky  <olga@il.ibm.com>
2092
2093         PR tree-optimization/35041
2094         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
2095         to locate the right position in a statement.
2096
2097 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
2098
2099         PR target/34000
2100         PR target/35553
2101         * config/i386/xmmintrin.h:  Change all static inline functions to
2102         extern inline and add __gnu_inline__ attribute.
2103         * config/i386/bmintrin.h: Ditto.
2104         * config/i386/smmintrin.h: Ditto.
2105         * config/i386/tmmintrin.h: Ditto.
2106         * config/i386/mmintrin-common.h: Ditto.
2107         * config/i386/ammintrin.h: Ditto.
2108         * config/i386/emmintrin.h: Ditto.
2109         * config/i386/pmmintrin.h: Ditto.
2110         * config/i386/mmintrin.h: Ditto.
2111         * config/i386/mm3dnow.h: Ditto.
2112
2113 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
2114
2115         PR middle-end/35185
2116         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
2117         (lower_omp_2): New function.
2118         (lower_omp_1, lower_omp): Rewritten.
2119
2120 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
2121
2122         PR 35054
2123         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
2124         with the phrase "Microsoft Windows compilers".
2125         (Push/Pop Macro Pragmas): New subsection. Document
2126         #pragma push_macro and pragma pop_macro.
2127
2128 2008-03-12  Paul Brook  <paul@codesourcery.com>
2129
2130         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
2131
2132 2008-03-12  Paul Brook  <paul@codesourcery.com>
2133
2134         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
2135         (thumb2_alusi3_short): Exclude PLUS and MINUS.
2136         (thumb2_addsi_shortim): Rename ...
2137         (thumb2_addsi_short): ... to this.  Allow register operands.
2138         (thumb2_subsi_short): New pattern.
2139         (thumb2_one_cmplsi2_short,
2140         thumb2_negsi2_short): New patterns and peepholes.
2141
2142 2008-03-12  Paul Brook  <paul@codesourcery.com>
2143
2144         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
2145
2146 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
2147
2148         * config/i386/i386.md (int_cond): New code iterator.
2149         (fp_cond): Ditto.
2150         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
2151         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
2152         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
2153         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
2154         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
2155         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
2156         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
2157         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
2158
2159 2008-03-12  Paul Brook  <paul@codesourcery.com>
2160
2161         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
2162         instead of {arm,thumb}_compute_save_reg_mask.
2163         (output_return_instruction): Ditto.
2164         (thumb_unexpanded_epilogue): Ditto.
2165         (thumb1_expand_prologue): Ditto.
2166         (thumb1_output_function_prologue): Ditto.
2167         (arm_set_return_address): Ditto.
2168         (thumb_set_return_address): Ditto.
2169         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
2170         regs to achieve stack alignment.
2171         (thumb1_compute_save_reg_mask): Fix compiler warning.
2172         (arm_output_epilogue): Use offsets->saved_regs_mask.
2173         Adjust stack pointer by poping call clobered registers.
2174         (arm_expand_prologue): Use offsets->saved_regs_mask.
2175         Adjust stack pointer by pushing extra registers.
2176         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
2177
2178 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
2179
2180         PR tree-opt/35422
2181         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
2182         conversion to the operands of a multiplication.
2183
2184 2008-03-12  Richard Guenther  <rguenther@suse.de>
2185
2186         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
2187         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
2188         * timevar.def (TV_TREE_PHIPROP): Add.
2189         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
2190         pass description.  Use TV_TREE_PHIPROP.
2191         * tree-ssa-forwprop.c: Remove phiprop code.
2192
2193 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
2194
2195         PR middle-end/35549
2196         * omp-low.c (maybe_lookup_decl): Constify first argument.
2197         (use_pointer_for_field): Change last argument from bool to
2198         omp_context *.  Disallow shared copy-in/out in nested
2199         parallel if decl is shared in outer parallel too.
2200         (build_outer_var_ref, scan_sharing_clauses,
2201         lower_rec_input_clauses, lower_copyprivate_clauses,
2202         lower_send_clauses, lower_send_shared_vars): Adjust callers.
2203
2204 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
2205             Ira Rosen  <irar@il.ibm.com>
2206
2207         * tree-vectorizer.c (free_stmt_vec_info): New function.
2208         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
2209         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
2210         * tree-vectorizer.h (free_stmt_vec_info): Declare.
2211         * tree-vect-transform.c (vectorizable_conversion): Free
2212         vec_oprnds0 if it was allocated.
2213         (vect_permute_store_chain): Remove unused VECs.
2214         (vectorizable_store): Free VECs that are allocated in the..
2215         function.
2216         (vect_transform_strided_load, vectorizable_load): Likewise.
2217         (vect_remove_stores): Simplify the code.
2218         (vect_transform_loop): Move code to vect_remove_stores().
2219         Call vect_remove_stores() and free_stmt_vec_info().
2220
2221 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2222
2223         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
2224         TARGET_HPUX.  Revise comment.
2225         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
2226         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
2227         Use sr4 variant of `be' instruction when not generating PIC code.
2228         (attr_length_call): Adjust for above change.
2229
2230 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2231
2232         * ipa-reference.c (static_execute): Remove module_statics_const and
2233         associated setting code.
2234
2235 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
2236
2237         PR target/35540
2238         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
2239         predicate for operand 1.
2240         (paritysi2_cmp): Use register_operand predicate for operand 2.
2241         Use earlyclobber modifier for operand 1.  Remove support for
2242         memory operands.
2243         (paritydi2_cmp): Use register_operand predicate for operand 3.
2244         Use earlyclobber modifier for operand 1.  Remove support for
2245         memory operands.
2246
2247 2008-03-11  Paul Brook  <paul@codesourcery.com>
2248             Vladimir Prus  <vladimir@codesourcery.com>
2249
2250         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
2251         (arm_compute_save_reg0_reg12_mask): Always
2252         check if register 11 must be saved.  Always safe hard frame pointer
2253         when frame_pointer_needeed.
2254         (arm_compute_save_reg_mask): Save IP and PC
2255         only with apcs frames.
2256         (arm_output_epilogue): Adjust Thumb2 codepath to
2257         be also invoked and work for ARM non-apcs frames.
2258         (arm_expand_prologue): Don't bother saving IP
2259         for non-apcs frame, since it's not clobbered by
2260         prologue code.  Implement non-apcs frame
2261         layout.
2262
2263 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
2264
2265         PR rtl-optimization/35281
2266         * expr.c (convert_move): Use a new pseudo for the intermediate
2267         from_mode->word_mode result.
2268
2269 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
2270
2271         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
2272         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
2273         * toplev.c (compile_file): Don't call it.
2274
2275 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
2276
2277         PR middle-end/35526
2278         * expr.c (store_expr): Call emit_block_move if the mode
2279         of "temp" RTX is BLKmode.
2280
2281 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2282             Richard Guenther  <rguenther@suse.de>
2283
2284         PR tree-optimization/31358
2285         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
2286         the step with a NULL_TREE.
2287         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
2288         to sizetype if type is a pointer type.
2289         (add_candidate_1): Don't convert the base and step to
2290         the generic type if the orginal type is a pointer type.
2291         (add_iv_value_candidates): Use sizetype for the step
2292         if type is a pointer type.
2293         (cand_value_at): Likewise.
2294         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
2295         for pointer types.
2296         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
2297         Don't convert the tem affine to the type.
2298         (add_elt_to_tree): Use sizetype for the step if a pointer.
2299         Use POINTER_PLUS_EXPR for pointers.
2300         (aff_combination_to_tree): Use sizetype for the step if a
2301         pointer.
2302
2303 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
2304
2305         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
2306         Remove commutativity hint.
2307
2308 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
2309
2310         PR c/35438
2311         PR c/35439
2312         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
2313         errorneous type.  Check that v is a VAR_DECL.
2314
2315         PR middle-end/35099
2316         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
2317
2318 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
2319
2320         PR tree-optimization/35494
2321         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
2322         may be overriden at link and run time.
2323
2324 2008-03-10  Richard Guenther  <rguenther@suse.de>
2325
2326         PR tree-optimization/34677
2327         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
2328         (poolify_tree): Likewise.
2329         (modify_expr_template): Likewise.
2330         (poolify_modify_stmt): Likewise.
2331         (insert_fake_stores): Handle all component-ref style stores
2332         in addition to INDIRECT_REF.  Also handle complex types.
2333         Do not poolify the inserted load.
2334         (realify_fake_stores): Do not rebuild the tree but only
2335         make it a SSA_NAME copy.
2336         (init_pre): Remove initialzation of modify_expr_template.
2337         Do not allocate modify_expr_node_pool.
2338         (fini_pre): Do not free modify_expr_node_pool.
2339
2340 2008-03-10  Paul Brook  <paul@codesourcery.com>
2341
2342         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
2343         to avoid conflicts.
2344
2345 2008-03-10  Paul Brook  <paul@codesourcery.com>
2346             Mark Shinwell  <shinwell@codesourcery.com>
2347
2348         * config/arm/cortex-r4.md: New.
2349         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
2350         insn attributes.
2351         * config/arm/arm.md: Include cortex-r4.md.
2352         (insn): Add smmls, sdiv and udiv values.
2353         (generic_sched): Don't use generic scheduling for Cortex-R4.
2354         (arm_issue_rate): New function.
2355         (TARGET_SCHED_ISSUE_RATE): Define.
2356
2357 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
2358
2359         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
2360
2361 2008-03-10  Richard Guenther  <rguenther@suse.de>
2362
2363         * tree-ssa-pre.c (get_sccvn_value): Simplify.
2364         (compute_avail): Do not add stmt uses to AVAIL_OUT.
2365
2366 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
2367
2368         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
2369         Set default to true.
2370
2371 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2372
2373         * c.opt (Wsynth): Deprecate.
2374         * doc/invoke.texi (Option Summary, Warning Options): Document
2375         -Wno-format-contains-nul.
2376
2377 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
2378
2379         PR target/35496
2380         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
2381         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
2382
2383 2008-03-09  Ira Rosen  <irar@il.ibm.com>
2384
2385         * config/rs6000/rs6000.c (builtin_description): Rename vector
2386         left shift operations.
2387         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
2388         (altivec_vsl<VI_char>): Rename to ...
2389         (ashl<mode>3): ... new name.
2390         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
2391         gen_ashlv4si3.
2392         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
2393
2394 2008-03-08  Richard Guenther  <rguenther@suse.de>
2395
2396         * coverage.h (tree_coverage_counter_addr): Declare.
2397         * coverage.c (tree_coverage_counter_addr): New function.
2398         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
2399         before using again.
2400         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
2401         (tree_gen_one_value_profiler): Likewise.
2402         (tree_gen_ic_profiler): Likewise.
2403         (tree_gen_average_profiler): Likewise.
2404         (tree_gen_ior_profiler): Likewise.
2405
2406 2008-03-08  Richard Guenther  <rguenther@suse.de>
2407
2408         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
2409         (vn_binary_op_insert): Likewise.
2410         (vn_unary_op_lookup): Likewise.
2411         (vn_unary_op_insert): Likewise.
2412         (vn_nary_op_lookup): Declare.
2413         (vn_nary_op_insert): Likewise.
2414         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
2415         and binary hashes, use a single obstack for unary_op_pool
2416         and binary_op_pool.
2417         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
2418         a single struct vn_nary_op_s.  Store tree code length and
2419         a variable number of operands.
2420         (struct vn_reference_op_struct): Remove unused op2.
2421         (vn_reference_op_eq): Do not compare op2.
2422         (vn_reference_op_compute_hash): Do not compute hash of op2.
2423         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
2424         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
2425         with vn_nary_op_compute_hash.
2426         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
2427         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
2428         vn_nary_op_lookup.
2429         (vn_unary_op_insert, vn_binary_op_insert): Replace with
2430         vn_nary_op_insert.
2431         (visit_unary_op): Call nary functions.
2432         (visit_binary_op): Likewise.
2433         (process_scc): Adjust for struct vn_tables_s changes.
2434         (allocate_vn_table): Likewise.
2435         (free_vn_table): Likewise.
2436         * tree-vn.c (vn_add): Call nary functions.
2437         (vn_lookup): Likewise.
2438
2439 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
2440
2441         PR target/35498
2442         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
2443         wdst back after sync_compare_and_swapqhi_internal.
2444
2445 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
2446
2447         PR target/22152
2448         * config/i386/i386-modes.def (V1DI): New vector mode.
2449         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
2450         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
2451         (MMXMODE248): Ditto.
2452         (MMXMODE): Add V1DI mode.
2453         (mmxvecsize): Change DI mode to V1DI mode.
2454         ("mov<mode>): Use MMXMODEI8 mode iterator.
2455         ("*mov<mode>_internal_rex64"): Ditto.
2456         ("*mov<mode>_internal"): Ditto.
2457         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
2458         ("mmx_sub<mode>3"): Ditto.
2459         ("mmx_adddi3"): Remove insn pattern.
2460         ("mmx_subdi3"): Ditto.
2461         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
2462         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
2463         ("mmx_ashl<mode>3"): Ditto.
2464         ("mmx_lshrdi3"): Remove insn pattern.
2465         ("mmx_ashldi3"): Ditto.
2466         * config/i386/i386.c (classify_argument): Handle V1DImode.
2467         (function_arg_advance_32): Ditto.
2468         (function_arg_32): Ditto.
2469         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
2470         mmx_addv1di3 insn pattern.
2471         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
2472         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
2473         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
2474         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
2475         Remove definitions of built-in functions.
2476         (V1DI_type_node): New node.
2477         (v1di_ftype_v1di_int): Ditto.
2478         (v1di_ftype_v1di_v1di): Ditto.
2479         (v2si_ftype_v2si_si): Ditto.
2480         (v4hi_ftype_v4hi_di): Remove node.
2481         (v2si_ftype_v2si_di): Ditto.
2482         (ix86_init_mmx_sse_builtins): Handle V1DImode.
2483         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
2484         Redefine builtins using def_builtin_const with *_ftype_*_int node.
2485         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
2486         Add new builtins using def_builtin_const.
2487         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
2488         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
2489         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
2490         * config/i386/mmintrin.h (__v1di): New typedef.
2491         (_mm_add_si64): Cast arguments to __v1di type.
2492         (_mm_sub_si64): Ditto.
2493         (_mm_sll_pi16): Cast __count to __v4hi type.
2494         (_mm_sll_pi32): Cast __count to __v2si type.
2495         (_mm_sll_si64): Cast arguments to __v1di type.
2496         (_mm_srl_pi16): Cast __count to __v4hi type.
2497         (_mm_srl_pi32): Cast __count to __v2si type.
2498         (_mm_srl_si64): Cast arguments to __v1di type.
2499         (_mm_sra_pi16): Cast __count to __v4hi type.
2500         (_mm_sra_pi32): Cast __count to __v2si type.
2501         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
2502         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
2503         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
2504         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
2505         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
2506         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
2507         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
2508         (_mm_srai_pi32): Use __builtin_ia32_psradi.
2509         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
2510         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
2511         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
2512         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
2513
2514 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
2515
2516         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
2517
2518 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
2519
2520         PR target/35373
2521         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
2522         reg+const addressing for Altivec modes.  Don't generate reg+reg
2523         addressing for TFmode or TDmode quantities.
2524
2525 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
2526
2527         * c-common.c (vector_types_convertible_p): Call langhook
2528         instead of comptypes.
2529
2530 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2531
2532         PR tree-opt/35402
2533         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
2534         integral and scalar float variables which have a
2535         NULL DECL_INITIAL.
2536
2537 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
2538
2539         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
2540         dwarf_register_span hook when emitting unwind information for
2541         register-to-memory saves.
2542         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
2543         (rs6000_frame_related): Remove call to spe_synthesize_frame.
2544
2545 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
2546
2547         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
2548         for the same VAR_DECL.
2549
2550 2008-03-06  Tom Tromey  <tromey@redhat.com>
2551
2552         * treelang: Delete.
2553         * doc/standards.texi (Standards): Don't mention treelang.
2554         * doc/invoke.texi (Overall Options): Don't mention treelang.
2555         * doc/install.texi (Prerequisites): Don't mention bison or
2556         treelang.
2557         (Configuration): Don't mention treelang.
2558         (Building): Likewise.
2559         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
2560
2561 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
2562
2563         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
2564         word-extractions out of a multi-word object.
2565
2566 2008-03-06  Richard Guenther  <rguenther@suse.de>
2567
2568         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
2569         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
2570         result type and precision.
2571         * expr.c (get_inner_reference): Set unsignedp based on the result
2572         type of BIT_FIELD_REF.
2573         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
2574         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
2575         (try_instantiate_multiple_fields): Likewise.  Use the correct type
2576         for BIT_FIELD_REF.
2577         (sra_build_assignment): Likewise.
2578         (sra_build_elt_assignment): Likewise.
2579         (sra_explode_bitfield_assignment): Likewise.
2580         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
2581         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
2582         set BIT_FIELD_REF_UNSIGNED.
2583         (vectorizable_load): Likewise.
2584
2585 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
2586
2587         * cse.c (cse_extended_basic_block): Invalidate artificial defs
2588         at bb start.
2589
2590 2008-03-06  Richard Guenther  <rguenther@suse.de>
2591
2592         * alias.c (struct alias_set_entry): Move has_zero_child field
2593         to pack with alias_set.
2594
2595 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
2596
2597         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
2598         32bit host.
2599
2600 2008-03-05  Ian Lance Taylor  <iant@google.com>
2601
2602         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
2603
2604 2008-03-05  Kenneth Zadeck <zadeck@naturalbridge.com>
2605
2606         * fwprop.c (update_df): Support width and offset parameters of
2607         df_ref_create.
2608         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
2609         global_conflicts): Change DF_REF_EXTRACT to either
2610         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2611         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2612         * df-scan.c (df_ref_record, df_defs_record,
2613         df_ref_create_structure, df_def_record_1, df_uses_record,
2614         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
2615         df_bb_refs_collect, df_entry_block_defs_collect,
2616         df_exit_block_uses_collect): Support new width and offset fields.
2617         (ref_extract_pool): New storage pool.
2618         (df_free_ref): New function.
2619         (df_reg_chain_unlink, df_free_collection_rec,
2620         df_sort_and_compress_refs): Call df_free_ref.
2621         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
2622         of df_ref_extract.
2623         (df_ref_create_structure): Allocate df_ref_extract if offset and
2624         width fields are used.
2625         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
2626         (df_uses_record): Get offset and width from ZERO_EXTRACT 
2627         and SIGN_EXTRACT.
2628         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
2629         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2630         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2631         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
2632         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2633         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2634         (df_ref_extract): New structure.
2635         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
2636         (df_ref_create): Add width and offset parameters.
2637         
2638 2008-03-05  Richard Guenther  <rguenther@suse.de>
2639
2640         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2641         Use ranges_overlap_p.
2642         (offset_overlaps_with_access): Rename
2643         to ranges_overlap_p and move ...
2644         * tree-flow-inline.h (ranges_overlap_p): ... here.
2645
2646         * tree.h (get_inner_reference, handled_component_p): Update
2647         comments.
2648
2649         * tree.h (record_component_aliases, get_alias_set,
2650         alias_sets_conflict_p, alias_sets_must_conflict_p,
2651         objects_must_conflict_p): Move declarations ...
2652         * alias.h (record_component_aliases, get_alias_set,
2653         alias_sets_conflict_p, alias_sets_must_conflict_p,
2654         objects_must_conflict_p): ... here.
2655         Include coretypes.h.
2656         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
2657
2658 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
2659
2660         * cfg.c: Include tree-flow.h.
2661         (remove_edge_raw): Call redirect_edge_var_map_clear.
2662         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
2663         * tree-flow-inline.h (redirect_edge_var_map_def): New.
2664         (redirect_edge_var_map_result): New.
2665         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
2666         PENDING_STMT use with redirect_edge_var_map_*.
2667         * tree-ssa.c (edge_var_maps): New definition.
2668         (redirect_edge_var_map_add): New.
2669         (redirect_edge_var_map_clear): New.
2670         (redirect_edge_var_map_dup): New.
2671         (redirect_edge_var_map_vector): New.
2672         (redirect_edge_var_map_destroy): New.
2673         (ssa_redirect_edge): Replace PENDING_STMT use with
2674         redirect_edge_var_map_*.
2675         (flush_pending_stmts): Same.
2676         (delete_tree_ssa): Destroy edge var map.
2677         * tree-flow.h (struct _edge_var_map): New.
2678         Define edge_var_map vector type.
2679         Declare redirect_edge_var_map_* prototypes.
2680         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
2681         * tree-cfg.c (reinstall_phi_args): Replace
2682         PENDING_STMT use with redirect_edge_var_map_*.
2683
2684 2008-03-05  Richard Guenther  <rguenther@suse.de>
2685
2686         PR tree-optimization/35472
2687         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
2688         whose single use_stmt has a overlapping set of loaded and
2689         stored symbols as that use_stmt might be a noop assignment then.
2690
2691 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
2692
2693         * gthr-rtems.h: Implement __gthread_mutex_destroy.
2694
2695 2008-03-05  Richard Guenther  <rguenther@suse.de>
2696
2697         PR c++/35336
2698         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
2699         should be constants.
2700         * tree-cfg.c (verify_expr): Verify it.
2701         * fold-const.c (fold_truthop): Remove code generating
2702         BIT_FIELD_REFs of structure bases.
2703         (fold_binary): Likewise.
2704         (fold_ternary): Position and size of BIT_FIELD_REFs are
2705         always host integers.
2706         (make_bit_field_ref): Remove.
2707         (optimize_bit_field_compare): Remove.
2708         (all_ones_mask_p): Remove.
2709
2710 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
2711
2712         PR gcc/33009
2713         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
2714         (split_block_and_df_analyze): New. Split basic block and rebuild
2715         dataflow.
2716         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
2717         SPLIT_BLOCK.
2718         (split_pattern_seq): Likewise.
2719         (erase_matching_seqs): Likewise.
2720         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
2721
2722 2008-03-04  Geoff Keating  <geoffk@apple.com>
2723
2724         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
2725         declaration and code.
2726         (tree_invalid_nonnegative_warnv_p): Likewise.
2727
2728 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
2729
2730         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
2731         examples.  Truncate option-names then causing overfull hbox.
2732
2733 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2734
2735         PR target/35222
2736         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
2737         on hpux10.
2738         * configure: Rebuilt.
2739
2740 2008-03-04  Rafael Espindola  <espindola@google.com>
2741
2742         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
2743         (tree_unary_nonnegative_warnv_p): New.
2744         (tree_binary_nonnegative_warnv_p): New.
2745         (tree_single_nonnegative_warnv_p): New.
2746         (tree_invalid_nonnegative_warnv_p): New.
2747         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
2748
2749 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2750
2751         PR 28322
2752         * opts.c (handle_option): Postpone 'unknown option' errors only for
2753         warning options.
2754
2755 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
2756
2757         PR target/35453
2758         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
2759         (_SIDD_XXX): This.
2760
2761 2008-03-04  Rafael Espindola  <espindola@google.com>
2762
2763         * fold-const.c (tree_unary_nonzero_warnv_p): New.
2764         (tree_binary_nonzero_warnv_p): New.
2765         (tree_single_nonzero_warnv_p): New.
2766         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
2767
2768 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
2769
2770         PR middle-end/35456
2771         * fold-const.c (fold_cond_expr_with_comparison): Prevent
2772         transformations for modes that have signed zeros.
2773         * ifcvt.c (noce_try_abs): Ditto.
2774
2775 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
2776
2777         * config/i386/i386.c (override_options): Force
2778         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
2779
2780 2008-03-04  Jan Hubicka  <jh@suse.cz>
2781
2782         PR c++/35262
2783         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
2784         in last commit.
2785
2786 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
2787
2788         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
2789         label to probe the stack.
2790
2791 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
2792
2793         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
2794         (__gthr_win32_mutex_destroy): Declare.
2795         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
2796         __gthr_win32_mutex_destroy.
2797         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
2798
2799 2008-03-03  Jan Hubicka  <jh@suse.cz>
2800
2801         PR c++/35262
2802         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
2803         aggressive on inlining cold calls.
2804
2805 2008-03-03  Richard Guenther  <rguenther@suse.de>
2806
2807         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
2808         struct copies into the expression table.
2809         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
2810         (try_to_simplify): Likewise.
2811         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
2812         integral and pointer arguments which do not change the
2813         precision to NOP_EXPRs.
2814         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
2815         VIEW_CONVERT_EXPR case.
2816
2817 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2818
2819         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
2820         defined in a loop at depth 0 is invariant.
2821         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
2822         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
2823         be called at loop depth 0.
2824
2825 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
2826
2827         PR driver/35420
2828         * gcc.c (process_command): Update copyright notice dates.
2829         * gcov.c (print_version): Likewise.
2830         * gcov-dump.c (print_version): Likewise.
2831         * mips-tfile.c (main): Likewise.
2832         * mips-tdump.c (main): Likewise.
2833
2834 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2835
2836         PR 24924
2837         * c-common.c (flag_permissive): Delete.
2838         (constant_expression_warnings): Check flags first.
2839         (constant_expression_error): New.
2840         * c-common.h (flag_permissive): Delete.
2841         (constant_expression_error): Declare.
2842         * flags.h (flag_permissive): Declare. Update description.
2843         * diagnostic.c (pedwarn): Update.
2844         (permerror): New.
2845         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
2846         (permissive_error_kind): New.
2847         * toplev.c (flag_permissive): Define. Update description.
2848         * toplev.h (permissive_error_kind): Declare.
2849         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
2850         (pedwarn_c90): Use pedantic_warning_kind.
2851         * c-opts.c (c_common_post_options): flag_permissive does not affect
2852         flag_pedantic_errors.
2853
2854 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
2855
2856         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
2857         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
2858         __absvsi2, __absvDI2): Use unsigned arithmetic.
2859
2860 2008-03-02  Andi Kleen  <ak@suse.de>
2861             Richard Guenther  <rguenther@suse.de>
2862
2863         * struct-equiv.c: Remove file.
2864         * cfg_cleanup.c (condjump_equiv_p): Remove.
2865         * Makefile.in (OBJS-common): Remove struct-equiv.o.
2866         (struct-equiv.o): Remove rule.
2867         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
2868         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
2869         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
2870
2871 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2872
2873         * ifcvt.c (noce_process_if_block): Try to handle only the then
2874         block if the else block exists but isn't suitable.
2875
2876 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
2877
2878         PR gcc/35063
2879         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
2880         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
2881         regression from previous patch.
2882
2883 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
2884
2885         PR gcc/35063
2886         * gthr.h: Add __gthread_mutex_destroy as a function that must be
2887         implemented.
2888         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
2889         * gthr-single.h (__gthread_mutex_destroy): Likewise.
2890         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
2891         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
2892         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
2893         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
2894         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
2895         (__gthread_mutex_destroy_function): Rename to
2896         __gthread_mutex_destroy.
2897         * gthr-dce.h (__gthread_mutex_destroy): Call
2898         pthread_mutex_destroy.
2899         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
2900         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
2901         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
2902
2903 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2904
2905         * df-scan.c (df_ref_chain_change_bb): Simplify.
2906         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
2907         set_block_for_insn if there's any change.
2908         * df.h ((df_insn_change_bb): Fix prototype.
2909         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
2910         df_insn_change_bb, don't call set_block_for_insn.
2911         * emit-rtl.c (reorder_insns): Likewise.
2912         * haifa-sched.c (move_insn): Likewise.
2913
2914 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2915
2916         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
2917
2918 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2919
2920         * tree-flow-inline.h (next_readonly_imm_use): Return
2921         NULL_USE_OPERAND_P after the end.
2922
2923 2008-03-01  Richard Guenther  <rguenther@suse.de>
2924
2925         PR tree-optimization/35411
2926         * tree-sra.c (sra_build_assignment): Split conversion to
2927         final type to a separate statement if we are not assigning
2928         to a register.
2929
2930 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2931
2932         * fold-const.c (fold_convertible_p): Correct the logic to follow
2933         that in fold_convert().
2934
2935 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
2936
2937         PR c++/35315
2938         * tree-inline.c (build_duplicate_type): When we make a
2939         duplicate type, make it unique in the canonical types system.
2940
2941 2008-02-29  Tom Tromey  <tromey@redhat.com>
2942
2943         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
2944         input_file_stack_history, input_file_stack_restored): Remove.
2945         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2946         * input.h (struct file_stack): Remove.
2947         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2948         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
2949         Likewise.
2950         * diagnostic.h (struct diagnostic_context) <last_module>: Change
2951         type.
2952         (diagnostic_last_module_changed): Add 'map' argument.
2953         (diagnostic_set_last_function): Likewise.
2954         * diagnostic.c (undiagnostic_report_current_module): Iterate using
2955         line map, not input_file_stack.
2956         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
2957
2958 2008-02-29  Paul Brook  <paul@codesourcery.com>
2959
2960         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
2961
2962 2008-02-29  Paul Brook  <paul@codesourcery.com>
2963
2964         * config/arm/ieee754-df.S (muldf3): Use RET macros.
2965
2966 2008-02-29  Richard Guenther  <rguenther@suse.de>
2967
2968         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
2969         vn_lookup_or_add.
2970         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
2971         value for comparing for a store match.
2972         (simplify_unary_expression): Do nothing for SSA_NAMEs.
2973         (try_to_simplify): Do not do a full-blown reference lookup.
2974
2975 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
2976
2977         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
2978         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2979
2980         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
2981
2982 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
2983
2984         * tree-loop-linear.c (try_interchange_loops): Compare memory access
2985         strides against cache sizes.
2986
2987 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
2988
2989         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
2990         constant to fpul.
2991
2992 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
2993
2994         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
2995         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
2996         is smaller than the original promoted value.
2997         (simplify_subreg): If OP is a SUBREG, try to preserve its
2998         SUBREG_PROMOTED_VAR_P information.
2999
3000 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
3001
3002         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
3003         (VN_INFO_GET): Allocate new objects on the obstack.
3004         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
3005         for rpo_numbers_temp, for consistency.
3006         (free_scc_vn): Free the obstack.
3007
3008 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
3009
3010         * doc/invoke.texi: Document -ftree-loop-distribution.
3011         * tree-loop-distribution.c: New.
3012         * tree-pass.h (pass_loop_distribution): New.
3013         * graphds.h (struct graph): Add htab_t indices.
3014         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
3015         * tree-vectorizer.c (rename_variables_in_loop): Extern.
3016         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
3017         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
3018         * tree-data-ref.c (debug_data_dependence_relations): New.
3019         (dump_data_dependence_relation): Also print data references.
3020         (free_data_ref): Extern.
3021         (same_access_functions): Moved...
3022         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
3023         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
3024         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
3025         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
3026         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
3027         (stmts_from_loop): Skip LABEL_EXPR.
3028         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
3029         New.
3030         (build_rdg): Initialize rdg->indices htab.
3031         (free_rdg, stores_from_loop, ref_base_address,
3032         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
3033         have_similar_memory_accesses_1, ref_base_address_1,
3034         remove_similar_memory_refs): New.
3035         * tree-data-ref.h: Depend on tree-chrec.h.
3036         (debug_data_dependence_relations, free_data_ref): Declared.
3037         (same_access_functions): ... here.
3038         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
3039         New.
3040         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
3041         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
3042         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
3043         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
3044         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
3045         rdg_vertex_for_stmt): Declared.
3046         (struct rdg_edge): Add level.
3047         (RDGE_LEVEL): New.
3048         (free_rdg, stores_from_loop, remove_similar_memory_refs,
3049         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
3050         Declared.
3051         (rdg_has_similar_memory_accesses): New.
3052         * tree-vect-analyze.c: Remove unused static decls.
3053         * lambda.h (dependence_level): New.
3054         * common.opt (ftree-loop-distribution): New.
3055         * tree-flow.h (mark_virtual_ops_in_bb, 
3056         slpeel_tree_duplicate_loop_to_edge_cfg,
3057         rename_variables_in_loop): Declared.
3058         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
3059         (OBJS-common): Add tree-loop-distribution.o.
3060         (tree-loop-distribution.o): New rule.
3061         * tree-cfg.c (mark_virtual_ops_in_bb): New.
3062         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
3063         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
3064
3065 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
3066
3067         PR target/33963
3068         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
3069         other than structures and unions.
3070
3071 2008-02-28  Richard Guenther  <rguenther@suse.de>
3072
3073         Revert:
3074         2008-02-26  Richard Guenther  <rguenther@suse.de>
3075
3076         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3077         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3078         (lookup_decl_from_uid): Declare.
3079         (remove_decl_from_map): Likewise.
3080         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3081         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3082         (decl_for_uid_map): New global hashtable mapping DECL_UID
3083         to the decl tree.
3084         (init_ttree): Allocate it.
3085         (insert_decl_to_uid_decl_map): New helper function.
3086         (make_node_stat): Insert new decls into the map.
3087         (copy_node_stat): Likewise.
3088         (lookup_decl_from_uid): New function.
3089         (remove_decl_from_map): Likewise.
3090         (print_decl_for_uid_map_statistics): New helper.
3091         (dump_tree_statistics): Call it.
3092
3093         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3094         (referenced_var_iterator): Adjust.
3095         (FOR_EACH_REFERENCED_VAR): Adjust.
3096         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3097         (num_referenced_vars): Adjust.
3098         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3099         (first_referenced_var): Remove.
3100         (end_referenced_vars_p): Likewise.
3101         (next_referenced_var): Likewise.
3102         (referenced_var_iterator_set): New helper function.
3103         * tree-dfa.c (referenced_var_lookup): Adjust.
3104         (referenced_var_check_and_insert): Likewise.
3105         (remove_referenced_var): Likewise.
3106         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3107         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3108         (verify_call_clobbering): Likewise.
3109         (verify_memory_partitions): Likewise.
3110         (init_tree_ssa): Allocate bitmap instead of hashtable for
3111         referenced_vars.
3112         (delete_tree_ssa): Adjust.
3113         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3114         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3115         (compute_tag_properties): Likewise.
3116         (set_initial_properties): Likewise.
3117         (find_partition_for): Likewise.
3118         (update_reference_counts): Likewise.
3119         (dump_may_aliases_for): Likewise.
3120         * tree-ssa-operands.c (add_virtual_operand): Likewise.
3121         (add_call_clobber_ops): Likewise.
3122         (add_call_read_ops): Likewise.
3123         (get_asm_expr_operands): Likewise.
3124         * tree-into-ssa.c (dump_decl_set): Likewise.
3125         (update_ssa): Likewise.
3126         * tree-sra.c (scan_function): Likewise.
3127         (decide_instantiations): Likewise.
3128         (scalarize_parms): Likewise.
3129         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3130         (dsa_named_for): Likewise.
3131         * tree-ssa-structalias.c (update_alias_info): Likewise.
3132         (merge_smts_into): Likewise.
3133
3134 2008-02-27  David Daney  <ddaney@avtrex.com>
3135
3136         PR target/34409
3137         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
3138         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
3139         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
3140         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
3141         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
3142
3143 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
3144
3145         PR target/25477
3146         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
3147         (BUILT_IN_NEXTTOWARD): Remove.
3148         (BUILT_IN_NEXTTOWARDF): Ditto.
3149         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
3150         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
3151
3152 2008-02-27  Tom Tromey  <tromey@redhat.com>
3153
3154         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
3155         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
3156
3157 2008-02-27  Jan Beulich  <jbeulich@novell.com>
3158
3159         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
3160         update the respective field on newdecl.
3161
3162 2008-02-27  Revital Eres  <eres@il.ibm.com>
3163
3164         PR rtl-optimization/34999
3165         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
3166         crossing edges that ends with a call insn.
3167         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
3168         call insn and clear the EDGE_CROSSING flag of the crossing edge
3169         when fixing fallthru edges.
3170
3171 2008-02-27  Richard Guenther  <rguenther@suse.de>
3172
3173         PR middle-end/35390
3174         * fold-const.c (fold_unary): Return the correct argument,
3175         converted to the result type.
3176
3177 2008-02-27  Richard Guenther  <rguenther@suse.de>
3178
3179         PR middle-end/34971
3180         * expr.c (expand_expr_real_1): Assert on rotates that operate
3181         on partial modes.
3182         * fold-const.c (fold_binary): Use the types precision, not the
3183         bitsize of the mode if folding rotate expressions.  Build rotates
3184         only for full modes.
3185
3186 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
3187
3188         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
3189         and CPP_PRAGMA_EOL.
3190         * c-pragma.c (pragma_ns_name): New typedef.
3191         (registered_pp_pragmas): New variable.
3192         (c_pp_lookup_pragma): New function.
3193         (c_register_pragma_1): If flag_preprocess_only, do nothing
3194         for non-expanded pragmas, for expanded ones push pragma's
3195         namespace and name into registered_pp_pragmas vector.
3196         (c_invoke_pragma_handler): Register OpenMP pragmas even when
3197         flag_preprocess_only, don't register GCC pch_preprocess
3198         pragma if flag_preprocess_only.
3199         * c-opts.c (c_common_init): Call init_pragma even if
3200         flag_preprocess_only.
3201         * c-pragma.c (c_pp_lookup_pragma): New prototype.
3202         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
3203         cpp_register_pragma if flag_preprocess_only.
3204
3205 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3206
3207         PR c/28800
3208         * c-parser.c (c_parser_translation_unit): Warn for empty
3209         translation unit, not empty source file.
3210
3211 2008-02-26  Paul Brook  <paul@codesourcery.com>
3212
3213         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
3214         operand for Thumb-2.
3215         * config/arm/arm.h (reg_class): Add CORE_REGS.
3216         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
3217         (BASE_REG_CLASS): Use CORE_REGS.
3218         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
3219         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
3220         (REGNO_OK_FOR_INDEX_P): Exclude SP.
3221         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
3222         ARM_REGNO_OK_FOR_INDEX_P.
3223         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
3224         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
3225         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
3226         (ldm/stm peepholes): Ditto.
3227         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
3228         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
3229         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
3230         * config/arm/constraints.md: Enable "k" constraint on ARM.
3231
3232 2008-02-27  Ben Elliston  <bje@au.ibm.com>
3233
3234         * config/rs6000/rs6000.c: Annotate cache line size field in all
3235         instances of struct processor_costs.
3236
3237 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
3238
3239         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
3240         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
3241         jump_bypass): New counters.
3242         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
3243         * dce.c (gate_ud_dce): Same.
3244         (gate_fast_dce): Same.
3245         * dse.c (gate_dse1): New function.
3246         (gate_dse2): New function.
3247         (gate_dse): Merge results of new gate functions.
3248         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
3249         (gate_handle_jump_bypass): Add dbg_cnt.
3250         (gate_handle_gcse): Add dbg_cnt.
3251         * ifcvt.c (gate_handle_if_conversion): Same.
3252         (gate_handle_if_after_combine): Same.
3253         (gate_handle_if_after_reload): Same.
3254         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
3255
3256 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
3257
3258         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
3259         line sizes.
3260         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
3261
3262 2008-02-26  Jason Merrill  <jason@redhat.com>
3263
3264         PR c++/35315
3265         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
3266         alone if it's the naming decl for the type's main variant.
3267
3268 2008-02-26  Tom Tromey  <tromey@redhat.com>
3269
3270         * system.h (USE_MAPPED_LOCATION): Poison.
3271         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
3272         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
3273         (make_goto_expr_edges): Likewise.
3274         (remove_bb): Likewise.
3275         (execute_warn_function_return): Likewise.
3276         * basic-block.h (struct edge_def) <goto_locus>: Change type to
3277         location_t.
3278         * c-common.c (fname_decl): Remove old location code.
3279         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
3280         location code.
3281         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
3282         variant.
3283         (ASM_INPUT_SOURCE_LOCATION): Likewise.
3284         (gen_rtx_ASM_INPUT): Likewise.
3285         (gen_rtx_ASM_INPUT_loc): Likewise.
3286         (get_rtx_asm_OPERANDS): Remove.
3287         * cfglayout.c (insn_locators_alloc): Remove old location code.
3288         (set_curr_insn_source_location): Likewise.
3289         (curr_insn_locator): Likewise.
3290         * print-tree.c (print_node): Remove old location code.
3291         * tree-mudflap.c (mf_varname_tree): Remove old location code.
3292         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
3293         * cfgexpand.c (expand_gimple_cond_expr): Don't use
3294         location_from_locus.
3295         (construct_exit_block): Remove old location code.
3296         * emit-rtl.c (force_next_line_note): Remove old location code.
3297         * profile.c (branch_prob): Remove old location code.
3298         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
3299         LOC_LINE): Remove old-location variants.
3300         * langhooks.c (lhd_print_error_function): Remove old location
3301         code.
3302         * configure, config.in: Rebuilt.
3303         * configure.ac (--enable-mapped-location): Remove.
3304         * c-decl.c (c_init_decl_processing): Remove old location code.
3305         (finish_function): Likewise.
3306         * recog.c (decode_asm_operands): Remove old location code.
3307         * c-pch.c (c_common_read_pch): Remove old location code.
3308         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
3309         variants.
3310         * gimple-low.c (lower_function_body): Remove old location code.
3311         * toplev.c (unknown_location): Remove.
3312         (push_srcloc): Remove old-location variant.
3313         (process_options): Remove old location code.
3314         (lang_dependent_init): Likewise.
3315         * input.h (UNKNOWN_LOCATION): Move definition.
3316         (location_t): Undeprecate.
3317         (source_locus): Remove.
3318         (location_from_locus): Remove.
3319         (struct location_s): Remove.
3320         Remove all old-location code.
3321         (input_line, input_filename): Remove.
3322         * final.c (final_scan_insn): Remove old location code.
3323         * diagnostic.c (diagnostic_build_prefix): Remove
3324         USE_MAPPED_LOCATION test.
3325         * tree.h (gimple_stmt) <locus>: Now a location_t.
3326         (tree_exp) <locus>: Likewise.
3327         (DECL_IS_BUILTIN): Remove old-location variant.
3328         (annotate_with_file_line, annotate_with_locus): Likewise.
3329         (expr_locus, set_expr_locus): Update.
3330         * tree.c (build1_stat): Remove old location code.
3331         (last_annotated_node): Remove.
3332         (annotate_with_file_line): Remove old-location variant.
3333         (annotate_with_locus): Likewise.
3334         (expr_location): Remove old location code.
3335         (set_expr_location): Likewise.
3336         (expr_has_location): Likewise.
3337         (expr_locus): Likewise.
3338         (set_expr_locus): Likewise.
3339         (expr_filename): Don't use location_from_locus.
3340         (expr_lineno): Likewise.
3341         * rtl-error.c (location_for_asm): Remove old location code.
3342         * c-lex.c (cb_line_change): Remove old location code.
3343         (fe_file_change): Likewise.
3344         (cb_def_pragma): Likewise.
3345         (c_lex_with_flags): Likewise.
3346         * gengtype.c (do_typedef): Don't special-case location types.
3347         (define_location_structures): Remove.
3348         (main): Don't call define_location_structures.
3349         * tree-pretty-print.c (dump_implicit_edges): Remove old location
3350         code.
3351
3352 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3353
3354         PR 26264
3355         * builtins.def (BUILT_IN_STDARG_START): Remove.
3356         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
3357         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
3358         * tree-inline.c (inline_forbidden_p_1): Likewise.
3359         
3360 2008-02-26  Richard Guenther  <rguenther@suse.de>
3361
3362         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3363         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3364         (lookup_decl_from_uid): Declare.
3365         (remove_decl_from_map): Likewise.
3366         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3367         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3368         (decl_for_uid_map): New global hashtable mapping DECL_UID
3369         to the decl tree.
3370         (init_ttree): Allocate it.
3371         (insert_decl_to_uid_decl_map): New helper function.
3372         (make_node_stat): Insert new decls into the map.
3373         (copy_node_stat): Likewise.
3374         (lookup_decl_from_uid): New function.
3375         (remove_decl_from_map): Likewise.
3376         (print_decl_for_uid_map_statistics): New helper.
3377         (dump_tree_statistics): Call it.
3378
3379         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3380         (referenced_var_iterator): Adjust.
3381         (FOR_EACH_REFERENCED_VAR): Adjust.
3382         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3383         (num_referenced_vars): Adjust.
3384         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3385         (first_referenced_var): Remove.
3386         (end_referenced_vars_p): Likewise.
3387         (next_referenced_var): Likewise.
3388         (referenced_var_iterator_set): New helper function.
3389         * tree-dfa.c (referenced_var_lookup): Adjust.
3390         (referenced_var_check_and_insert): Likewise.
3391         (remove_referenced_var): Likewise.
3392         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3393         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3394         (verify_call_clobbering): Likewise.
3395         (verify_memory_partitions): Likewise.
3396         (init_tree_ssa): Allocate bitmap instead of hashtable for
3397         referenced_vars.
3398         (delete_tree_ssa): Adjust.
3399         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3400         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3401         (compute_tag_properties): Likewise.
3402         (set_initial_properties): Likewise.
3403         (find_partition_for): Likewise.
3404         (update_reference_counts): Likewise.
3405         (dump_may_aliases_for): Likewise.
3406         * tree-ssa-operands.c (add_virtual_operand): Likewise.
3407         (add_call_clobber_ops): Likewise.
3408         (add_call_read_ops): Likewise.
3409         (get_asm_expr_operands): Likewise.
3410         * tree-into-ssa.c (dump_decl_set): Likewise.
3411         (update_ssa): Likewise.
3412         * tree-sra.c (scan_function): Likewise.
3413         (decide_instantiations): Likewise.
3414         (scalarize_parms): Likewise.
3415         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3416         (dsa_named_for): Likewise.
3417         * tree-ssa-structalias.c (update_alias_info): Likewise.
3418         (merge_smts_into): Likewise.
3419
3420 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3421
3422         PR 34351
3423         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
3424         * c-opts.c (c_common_handle_option): Wall enables
3425         Wvolatile-register-var.
3426         * common.opt: Move Wvolatile-register-var to...
3427         * c.opt: ...here.
3428         
3429 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3430
3431         * common.opt (Wlarger-than=): New.
3432         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
3433         -Wlarger-than=.
3434         * opts.c (common_handle_option): Handle -Wlarger-than=.
3435         * optc-gen.awk: Likewise.
3436         * opth-gen.awk: Likewise.
3437         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
3438         * tree-optimize.c (tree_rest_of_compilation): Likewise.
3439         
3440 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3441
3442         * c-common.c (match_case_to_enum_1): Add appropriate
3443         OPT_W* parameter to warning.
3444         (c_do_switch_warnings): Likewise.
3445         * c-typeck.c (warning_init): Add one more parameter following
3446         'warning' function.
3447         (push_init_level): Update call to warning_init.
3448         (pop_init_level): Likewise.
3449         (add_pending_init): Likewise.
3450         (output_init_element: Likewise.
3451
3452 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3453
3454         PR 28322
3455         * toplev.c (toplev_main): If there are warnings or error, print
3456         errors for ignored options.
3457         * opts.c (ignored_options): New static variable.
3458         (postpone_unknown_option_error): New.
3459         (print_ignored_options): New.
3460         (handle_option): Postpone errors for unknown -Wno-* options.
3461         * opts.h (print_ignored_options): Declare.
3462         
3463 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
3464
3465         * config/mips/mips.md (loadgp_blockage, blockage): Change type
3466         to "ghost".
3467
3468 2008-02-25  Richard Guenther  <rguenther@suse.de>
3469
3470         Revert:
3471         2008-02-25  Richard Guenther  <rguenther@suse.de>
3472
3473         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3474         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3475         (lookup_decl_from_uid): Declare.
3476         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3477         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3478         (decl_for_uid_map): New global hashtable mapping DECL_UID
3479         to the decl tree.
3480         (init_ttree): Allocate it.
3481         (insert_decl_to_uid_decl_map): New helper function.
3482         (make_node_stat): Insert new decls into the map.
3483         (copy_node_stat): Likewise.
3484         (lookup_decl_from_uid): New function.
3485         (print_decl_for_uid_map_statistics): New helper.
3486         (dump_tree_statistics): Call it.
3487
3488         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3489         (referenced_var_iterator): Adjust.
3490         (FOR_EACH_REFERENCED_VAR): Adjust.
3491         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3492         (num_referenced_vars): Adjust.
3493         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3494         (first_referenced_var): Remove.
3495         (end_referenced_vars_p): Likewise.
3496         (next_referenced_var): Likewise.
3497         (referenced_var_iterator_set): New helper function.
3498         * tree-dfa.c (referenced_var_lookup): Adjust.
3499         (referenced_var_check_and_insert): Likewise.
3500         (remove_referenced_var): Likewise.
3501         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3502         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3503         (verify_call_clobbering): Likewise.
3504         (verify_memory_partitions): Likewise.
3505         (init_tree_ssa): Allocate bitmap instead of hashtable for
3506         referenced_vars.
3507         (delete_tree_ssa): Adjust.
3508         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3509         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3510         (compute_tag_properties): Likewise.
3511         (set_initial_properties): Likewise.
3512         (find_partition_for): Likewise.
3513         (update_reference_counts): Likewise.
3514         (dump_may_aliases_for): Likewise.
3515         * tree-ssa-operands.c (add_virtual_operand): Likewise.
3516         (add_call_clobber_ops): Likewise.
3517         (add_call_read_ops): Likewise.
3518         (get_asm_expr_operands): Likewise.
3519         * tree-into-ssa.c (dump_decl_set): Likewise.
3520         (update_ssa): Likewise.
3521         * tree-sra.c (scan_function): Likewise.
3522         (decide_instantiations): Likewise.
3523         (scalarize_parms): Likewise.
3524         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3525         (dsa_named_for): Likewise.
3526         * tree-ssa-structalias.c (update_alias_info): Likewise.
3527         (merge_smts_into): Likewise.
3528
3529 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
3530
3531         PR fortran/29549
3532         * doc/invoke.texi (-fcx-limited-range): Document new option.
3533         * toplev.c (process_options): Handle -fcx-fortran-rules.
3534         * common.opt: Add documentation for -fcx-fortran-rules.
3535
3536 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
3537
3538         PR c/35162
3539         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
3540         actual behaviour and C99.
3541         
3542 2008-02-26  Ben Elliston  <bje@au.ibm.com>
3543
3544         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
3545         (ASM_CPU_POWER6_SPEC): Likewise.
3546         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
3547         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
3548         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
3549
3550 2008-02-25  Richard Guenther  <rguenther@suse.de>
3551
3552         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3553         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3554         (lookup_decl_from_uid): Declare.
3555         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3556         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3557         (decl_for_uid_map): New global hashtable mapping DECL_UID
3558         to the decl tree.
3559         (init_ttree): Allocate it.
3560         (insert_decl_to_uid_decl_map): New helper function.
3561         (make_node_stat): Insert new decls into the map.
3562         (copy_node_stat): Likewise.
3563         (lookup_decl_from_uid): New function.
3564         (print_decl_for_uid_map_statistics): New helper.
3565         (dump_tree_statistics): Call it.
3566
3567         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3568         (referenced_var_iterator): Adjust.
3569         (FOR_EACH_REFERENCED_VAR): Adjust.
3570         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3571         (num_referenced_vars): Adjust.
3572         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3573         (first_referenced_var): Remove.
3574         (end_referenced_vars_p): Likewise.
3575         (next_referenced_var): Likewise.
3576         (referenced_var_iterator_set): New helper function.
3577         * tree-dfa.c (referenced_var_lookup): Adjust.
3578         (referenced_var_check_and_insert): Likewise.
3579         (remove_referenced_var): Likewise.
3580         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3581         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3582         (verify_call_clobbering): Likewise.
3583         (verify_memory_partitions): Likewise.
3584         (init_tree_ssa): Allocate bitmap instead of hashtable for
3585         referenced_vars.
3586         (delete_tree_ssa): Adjust.
3587         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3588         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3589         (compute_tag_properties): Likewise.
3590         (set_initial_properties): Likewise.
3591         (find_partition_for): Likewise.
3592         (update_reference_counts): Likewise.
3593         (dump_may_aliases_for): Likewise.
3594         * tree-ssa-operands.c (add_virtual_operand): Likewise.
3595         (add_call_clobber_ops): Likewise.
3596         (add_call_read_ops): Likewise.
3597         (get_asm_expr_operands): Likewise.
3598         * tree-into-ssa.c (dump_decl_set): Likewise.
3599         (update_ssa): Likewise.
3600         * tree-sra.c (scan_function): Likewise.
3601         (decide_instantiations): Likewise.
3602         (scalarize_parms): Likewise.
3603         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3604         (dsa_named_for): Likewise.
3605         * tree-ssa-structalias.c (update_alias_info): Likewise.
3606         (merge_smts_into): Likewise.
3607
3608 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
3609
3610         PR target/35258
3611         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
3612         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
3613         * alias.h (nonoverlapping_memrefs_p): Likewise.
3614
3615 2008-02-25  Jan Beulich  <jbeulich@novell.com>
3616
3617         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
3618         * config/i386/netware-libgcc.exp: Add __bswap?i2,
3619         __emultls_get_address, __emultls_register_common,
3620         __floatundi?f, and _Unwind_GetIPInfo.
3621         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
3622         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
3623         (gen_regparm_prefix): Likewise.
3624         (i386_nlm_encode_section_info): Sync with
3625         config/i386/winnt.c:i386_pe_encode_section_info().
3626         (i386_nlm_maybe_mangle_decl_assembler_name): New.
3627         i386_nlm_mangle_decl_assembler_name): New.
3628         (netware_override_options): New.
3629         * config/i386/netware.h (netware_override_options): Declare.
3630         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
3631         (i386_nlm_mangle_decl_assembler_name): Declare.
3632         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
3633
3634 2008-02-25  Ben Elliston  <bje@au.ibm.com>
3635
3636         PR other/32948
3637         * c-decl.c (grokdeclarator): Remove unused local variables
3638         `typedef_type' and `type_as_written'.
3639         * bb-reorder.c
3640         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
3641         unused local variable `has_hot_blocks'.
3642         (fix_crossing_conditional_branches): Remove unused local variable
3643         `prev_bb'.
3644         
3645 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
3646
3647         PR middle-end/19984
3648         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
3649         using DEF_C99_BUILTIN.
3650         (BUILT_IN_NANF): Ditto.
3651         (BUILT_IN_NANL): Ditto.
3652
3653 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
3654             Revital Eres  <eres@il.ibm.com>
3655
3656         * modulo-sched.c (calculate_must_precede_follow): Address TODO
3657         regarding the order of two dependent insns in the same row.
3658
3659 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
3660
3661         * stor-layout.c (layout_decl): Do not bump the alignment of a
3662         bit-field to more than byte alignment if it is packed.
3663
3664 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
3665
3666         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
3667         e300c2 and e300c3.
3668
3669 2008-02-24  Diego Novillo  <dnovillo@google.com>
3670
3671         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
3672
3673         PR 33738
3674         * tree-vrp.c (vrp_evaluate_conditional): With
3675         -Wtype-limits, emit a warning when comparing against a
3676         constant outside the natural range of OP0's type.
3677         * c.opt (Wtype-limits): Move ...
3678         * common.opt (Wtype-limits): ... here.
3679
3680 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
3681
3682         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
3683         * config/rs6000/e300c2c3.md: New file.
3684         * config/rs6000/rs6000.c (processor_costs): Add new costs for
3685         e300c2 and e300c3.
3686         (rs6000_override_options): Add e300c2 and e300c3 cases to
3687         processor_target_table. Do not allow usage of Altivec or Spe
3688         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
3689         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
3690         * config/rs6000/rs6000.h (processor_type): Add
3691         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
3692         (ASM_CPU_SPEC): Add e300c2 and e300c3.
3693         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
3694         and ppce300c3. Include e300c2c3.md.
3695
3696 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
3697
3698         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
3699         instead of TARGET_STRICT_ALIGN.
3700
3701 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
3702
3703         * explow.c (memory_address): Assert that the generated address is
3704         valid.
3705
3706 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3707
3708         PR target/25477
3709         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
3710         * config/darwin-ppc-ldouble-patch.def: New file.
3711         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
3712         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
3713         SUBTARGET_INIT_BUILTINS if defined.
3714         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
3715         New functions.
3716
3717 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3718
3719         PR rtl-opt/33512
3720         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
3721         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
3722
3723 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3724
3725         PR pch/35027
3726         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
3727         file" warning condtional on -Winvalid-PCH.
3728
3729 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
3730
3731         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
3732
3733 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
3734
3735         PR target/22076
3736         PR target/34256 
3737         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
3738         prevent reload from using MMX registers.
3739         (*mov<mode>_internal): Ditto.
3740         (*movv2sf_internal_rex64): Ditto.
3741         (*movv2sf_internal): Ditto.
3742
3743 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3744
3745         PR documentation/31569
3746         * doc/install.texi2html: Use makeinfo --no-number-sections.
3747
3748 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
3749
3750         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
3751         ensure that we can address an entire entity > 8 bytes.  Don't
3752         generate reg+reg addressing for such data.
3753
3754 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
3755
3756         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
3757         strings when optimizing for size, unless the target cares about
3758         alignment.
3759
3760 2008-02-22  Tom Tromey  <tromey@redhat.com>
3761
3762         * regclass.c (current_pass): Remove declaration.
3763
3764 2008-02-22  Anatoly Sokolov <aesok@post.ru>
3765
3766         * config/avr/libgcc.S (__RAMPZ__): Define.
3767         (__do_copy_data): Add for devices with 128KB code memory.
3768
3769 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
3770
3771         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
3772         Use spe_abi.
3773         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
3774
3775 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
3776
3777         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
3778         GENNONACR_REGS.
3779
3780 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3781
3782         PR c/19999
3783         * c-typeck.c (build_binary_op): Warn about floating point
3784         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
3785
3786 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
3787
3788         PR target/34526
3789         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
3790         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
3791         add vrsave.
3792         (rs6000_override_options): Set altivec_abi as default, not override,
3793         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
3794         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
3795         is used; use new member spe_abi.
3796         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
3797         spe_abi and altivec_abi.
3798
3799 2008-02-22  Tomas Bily  <tbily@suse.cz>
3800
3801         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
3802
3803 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3804
3805         PR bootstrap/35273
3806         * config.build (build_file_translate): Set to `CMD //c' only if
3807         it works.
3808         * Makefile.in (build_file_translate): Improve comment.
3809
3810 2008-02-21  Jan Hubicka  <jh@suse.cz>
3811
3812         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
3813         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
3814         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
3815
3816 2008-02-21  Michael Matz  <matz@suse.de>
3817
3818         PR target/35264
3819         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
3820
3821 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
3822
3823         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
3824         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
3825         as insn constraint.
3826         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
3827         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
3828         SSE_VEC_FLOAT_MODE_P as insn constraint.
3829         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
3830         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
3831         sse4a_movntdf using MODEF mode iterator.
3832         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
3833         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
3834         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
3835         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
3836         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
3837         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
3838         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
3839
3840 2008-02-21  Richard Guenther  <rguenther@suse.de>
3841
3842         * tree.def (PAREN_EXPR): New tree code.
3843         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
3844         and PAREN_EXPR.
3845         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
3846         * expr.c (expand_expr_real_1): Likewise.
3847         * tree-inline.c (estimate_num_insns_1): Likewise.
3848         * tree-complex.c (expand_complex_move): Likewise.
3849         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
3850         as plain x.
3851
3852 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
3853
3854         PR target/35225
3855         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
3856
3857 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
3858
3859         PR target/35190
3860         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
3861
3862         * config/sh/sh.c (find_barrier): Don't go past
3863         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
3864
3865 2008-02-20  DJ Delorie  <dj@redhat.com>
3866
3867         * config/h8300/h8300.md (insv): Force source operand to be a register.
3868
3869         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
3870         as a jump, not as a plain insn.
3871         
3872 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
3873
3874         * doc/invoke.texi (Warning Options): Add new option
3875         -Wframe-larger-than=.
3876         (-Wframe-larger-than): Document.
3877
3878         * flags.h (warn_frame_larger_than, frame_larger_than_size):
3879         Add declarations for new option variables.
3880
3881         * final.c (final_start_function): Check the frame size
3882         before emission and issue a Wframe-larger-than warning.
3883
3884         * opts.c (warn_frame_larger_than, frame_larger_than_size):
3885         Add definitions for new option variables.
3886         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
3887
3888         * common.opt (Wframe-larger-than=): New option.
3889
3890 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
3891
3892         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
3893         (<sse>_div<mode>3): Ditto.
3894         (<sse>_vmdiv<mode>3): Ditto.
3895         (<sse>_vmsqrt<mode>2): Ditto.
3896         (*smax<mode>3): Ditto.
3897         (sse5_frcz<mode>2): Ditto.
3898         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
3899         as insn constraint.
3900
3901 2008-02-20  Richard Guenther  <rguenther@suse.de>
3902
3903         PR middle-end/35265
3904         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
3905         be happy with INTEGRAL_TYPE_P.
3906
3907 2008-02-20  Richard Guenther  <rguenther@suse.de>
3908
3909         * fold-const.c (split_tree): Associate floatig-point expressions
3910         if flag_associative_math is set.
3911
3912 2008-02-20  Richard Guenther  <rguenther@suse.de>
3913
3914         * tree.h (fold_real_zero_addition_p): Declare.
3915         * fold-const.c (fold_real_zero_addition_p): Export.
3916         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
3917         floating-point operations with zero and one.
3918
3919 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
3920
3921         * doc/install.texi: Correct references to CFLAGS, replacing them
3922         with BOOT_CFLAGS.  Document flags used during bootstrap for
3923         target libraries.
3924                                 
3925 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
3926
3927         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
3928         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
3929         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
3930         insn constraint.
3931         (smin<mode>3): Ditto from similar patterns.
3932         (smax<mode>3): Ditto.
3933         (*ieee_smin<mode>3): Ditto.
3934         (*ieee_smax<mode>3): Ditto.
3935         * config/i386/sse.md (sse): New mode attribute.
3936         (mov<mode>): Macroize expander from movv4sf and movv2df using
3937         SSEMODEF2P mode iterator.
3938         (<sse>_movnt<mode>): Ditto from similar patterns. Use
3939         SSE_VEC_FLOAT_MODE_P as insn constraint.
3940         (storent<mode>): Ditto.
3941         (storent<mode>): Macroize expander from storentsf and storentdf using
3942         MODEF mode iterator.
3943         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
3944         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
3945         (abs<mode>2): Ditto from similar patterns.
3946         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
3947         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
3948         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
3949         (<sse>_vmsqrt<mode>2): Ditto.
3950         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
3951         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
3952         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
3953         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
3954         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
3955         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
3956         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
3957         insn constraint.
3958         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
3959         iterator and SSE_FLOAT_MODE_P as insn constraint.
3960         (<sse>_ucomi): Ditto from similar patterns.
3961         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
3962         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
3963         SSE_VEC_FLOAT_MODE_P as insn constraint.
3964         (vcond<mode>): Ditto from similar patterns.
3965         (and<mode>3, *and<mode>3): Ditto.
3966         (<sse>_nand<mode>3): Ditto.
3967         (ior<mode>3, *ior<mode>3): Ditto.
3968         (xor<mode>3, *xor<mode>3): Ditto.
3969         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
3970         iterator and SSE_FLOAT_MODE_P as insn constraint.
3971         (*nand<mode>3): Ditto from similar patterns.
3972         (*ior<mode>3): Ditto.
3973         (*xor<mode>3): Ditto.
3974
3975 2008-02-20  Ira Rosen  <irar@il.ibm.com>
3976
3977         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
3978         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
3979         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
3980
3981 2008-02-19  Jan Hubicka  <jh@suse.cz>
3982
3983         * predict.c (tree_bb_level_predictions): Remove variable next
3984         mistakely introduced by previous commit.
3985
3986 2008-02-19  Jan Hubicka  <jh@suse.cz>
3987
3988         * predict.c (predict_paths_leading_to): Rewrite.
3989         (predict_paths_for_bb): New.
3990         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
3991
3992 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3993
3994         PR bootstrap/35218
3995         * Makefile.in (build_file_translate): New.
3996         (gcc-vers.texi): Use it for translating $(abs_srcdir).
3997         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
3998         * configure.ac (build_file_translate): Substitute it.
3999         * configure: Regenerate.
4000
4001 2008-02-19  Jan Hubicka  <jh@suse.cz>
4002
4003         PR rtl-optimization/34408
4004         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
4005         invalid sharing.
4006
4007 2008-02-19  Jan Hubicka  <jh@suse.cz>
4008
4009         PR middle-end/28779
4010         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
4011         call_expr.
4012
4013 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
4014
4015         PR Ada/35186
4016         * config/i386/i386-modes.def: Revert the last DI alignment
4017         change until Ada people can look into it.
4018
4019 2008-02-19  Nick Clifton  <nickc@redhat.com>
4020
4021         * opts.c (print_specific_help): Fix typo in --help text.
4022
4023 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
4024
4025         PR target/35239
4026         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
4027         32-bit inline asm without asm alternatives for host GCC < 3.0.
4028
4029 2008-02-19  Richard Guenther  <rguenther@suse.de>
4030
4031         PR tree-optimization/34989
4032         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
4033         Allow propagation to INDIRECT_REF if we can simplify only.
4034
4035 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4036
4037         * c-common.c (warn_for_collisions_1): Use appropriate option when
4038         warning.
4039
4040 2008-02-19  Nick Clifton  <nickc@redhat.com>
4041
4042         PR other/31349
4043         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
4044         (handle_options): Fix indentation.
4045         (print_filtered_help): If no language-specific options were
4046         displayed tell the user how to list all the options supported by
4047         the language's front-end.
4048         (print_specific_help): Fix indentation and remove duplicate line.
4049         (common_handle_option): Handle the -v option.
4050         For --help enable the display of undocumented options if the -v
4051         switch has been included on the command line.
4052         For --help= check for overlaps in the arguments between the option
4053         classes and the language names and issue a warning when they
4054         cannot be disambiguated.
4055         * c.opt (v): Pass on to the common option handler.
4056
4057 2008-02-19  Revital Eres  <eres@il.ibm.com> 
4058
4059         * modulo-sched.c (sms_schedule): Change dump message when
4060         create_ddg function fails.
4061         (try_scheduling_node_in_cycle): Rename row to cycle.
4062         (print_partial_schedule): Rename CYCLE to ROW.
4063
4064 2008-02-19  Christian Bruel  <christian.bruel@st.com>
4065             Zdenek Dvorak  <ook@ucw.cz>
4066
4067         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
4068
4069 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
4070
4071         PR target/33555
4072         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
4073         (*x86_movdicc_0_m1_se): Ditto.
4074
4075 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
4076
4077         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
4078         (CMPtype): Define as __gcc_CMPtype.
4079         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
4080         (CMPtype): Define as __gcc_CMPtype.
4081
4082 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
4083
4084         Support valgrind 3.3 for --enable-checking=valgrind.
4085         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
4086         here.
4087         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
4088         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
4089         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
4090         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
4091         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
4092         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
4093         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
4094         respectively.
4095         * ggc-zone.c: Similar.
4096         * ggc-page.c: Similar.
4097
4098 2008-02-19  Paul Brook  <paul@codesourcery.com>
4099
4100         PR target/35071
4101         * config/arm/ieee754-df.S: Fix do_it typo.
4102         * config/arm/ieee754-sf.S: Fix do_it typo.
4103
4104 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
4105
4106         PR target/35189
4107         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
4108         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
4109         (OPTION_MASK_ISA_SSE_SET): Likewise.
4110         (OPTION_MASK_ISA_SSE2_SET): Likewise.
4111         (OPTION_MASK_ISA_SSE3_SET): Likewise.
4112         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
4113         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
4114         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
4115         (OPTION_MASK_ISA_SSE4_SET): Likewise.
4116         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
4117         (OPTION_MASK_ISA_SSE5_SET): Likewise.
4118         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
4119         (OPTION_MASK_ISA_MMX_UNSET): Updated.
4120         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
4121         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
4122         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
4123         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
4124         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
4125         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
4126         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
4127         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
4128         (OPTION_MASK_ISA_SSE4): Removed.
4129         (ix86_handle_option): Turn on bits in ix86_isa_flags and
4130         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
4131         (override_options): Don't turn on implied SSE/MMX bits in
4132         ix86_isa_flags.
4133
4134 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
4135
4136         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
4137         32bit host.
4138
4139 2008-02-18  Joey Ye  <joey.ye@intel.com>
4140
4141         PR middle-end/34921
4142         * tree-nested.c (insert_field_into_struct): Set type alignment
4143         to field alignment if the former is less than the latter.
4144
4145 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
4146
4147         * BASE-VER: Set to 4.4.0.
4148
4149 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4150
4151         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
4152         * doc/cfg.texi: Likewise.
4153         * doc/extend.texi: Likewise.
4154         * doc/gty.texi: Likewise.
4155         * doc/invoke.texi: Likewise.
4156         * doc/loop.texi: Likewise.
4157         * doc/md.texi: Likewise.
4158         * doc/passes.texi: Likewise.
4159         * doc/rtl.texi: Likewise.
4160         * doc/sourcebuild.texi: Likewise.
4161         * doc/tm.texi: Likewise.
4162         * doc/tree-ssa.texi: Likewise.
4163
4164 2008-02-17  Richard Guenther  <rguenther@suse.de>
4165
4166         PR middle-end/35227
4167         * tree-complex.c (init_parameter_lattice_values): Handle parameters
4168         without default definition.
4169
4170 2008-02-17  Richard Guenther  <rguenther@suse.de>
4171
4172         PR tree-optimization/35231
4173         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
4174         if A | B != 1.
4175
4176 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
4177
4178         Revert:
4179         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>    
4180         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
4181         libgcc_cmp_return mode.
4182
4183 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4184
4185         PR c/28368
4186         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
4187
4188 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
4189
4190         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
4191         multilibs.
4192
4193 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4194
4195         * doc/c-tree.texi: Use `@.' where appropriate.
4196         * doc/extend.texi: Likewise.
4197         * doc/install.texi: Likewise.
4198         * doc/invoke.texi: Likewise.
4199         * doc/loop.texi: Likewise.
4200         * doc/makefile.texi: Likewise.
4201         * doc/md.texi: Likewise.
4202         * doc/passes.texi: Likewise.
4203         * doc/standards.texi: Likewise.
4204         * doc/tm.texi: Likewise.
4205
4206 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
4207
4208         PR middle-end/35196
4209         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
4210         in entry_bb.
4211         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
4212         rather than in entry_bb.
4213
4214 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
4215
4216         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
4217         libgcc_cmp_return mode.
4218
4219 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
4220
4221         PR middle-end/35130
4222         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
4223         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
4224
4225 2008-02-15  Richard Guenther  <rguenther@suse.de>
4226             Zdenek Dvorak  <ook@ucw.cz>
4227
4228         PR tree-optimization/35164
4229         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
4230         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
4231         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
4232         Only propagate addresses which do not have abnormal SSA_NAMEs
4233         in their operands.
4234
4235 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
4236
4237         PR target/35088
4238         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
4239
4240 2008-02-15  Jan Hubicka  <jh@suse.cz>
4241
4242         PR middle-end/35149
4243         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
4244
4245 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
4246
4247         PR middle-end/34621
4248         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
4249         when calculating alignment_pad.
4250
4251 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
4252
4253         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
4254         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
4255         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
4256         and STACK_BOUNDARY define.
4257
4258 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
4259
4260         PR preprocessor/35061
4261         * c-pragma.c (handle_pragma_pop_macro): Check that
4262         pushed_macro_table has been allocated.
4263
4264 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
4265
4266         PR middle-end/35136
4267         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
4268         (force_gimple_operand): Likewise.
4269         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
4270         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
4271         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
4272         (find_interesting_uses_address): Check addressability and alignment
4273         of the base expression only after substituting bases of IVs into it.
4274
4275 2008-02-14  Michael Matz  <matz@suse.de>
4276
4277         PR target/34930
4278         * function.c (instantiate_virtual_regs_in_insn): Reload address
4279         before falling back to reloading the whole operand.
4280
4281 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
4282
4283         * config/s390/s390.c (s390_mainpool_start): Emit the pool
4284         before the first section switch note.
4285
4286 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4287
4288         * doc/bugreport.texi: Update copyright years.
4289         * doc/c-tree.texi: Likewise.
4290         * doc/cfg.texi: Likewise.
4291         * doc/cpp.texi: Likewise.
4292         * doc/cppinternals.texi: Likewise.
4293         * doc/fragments.texi: Likewise.
4294         * doc/frontends.texi: Likewise.
4295         * doc/gcc.texi: Likewise.
4296         * doc/gty.texi: Likewise.
4297         * doc/hostconfig.texi: Likewise.
4298         * doc/implement-c.texi: Likewise.
4299         * doc/libgcc.texi: Likewise.
4300         * doc/loop.texi: Likewise.
4301         * doc/makefile.texi: Likewise.
4302         * doc/options.texi: Likewise.
4303         * doc/passes.texi: Likewise.
4304         * doc/rtl.texi: Likewise.
4305         * doc/sourcebuild.texi: Likewise.
4306         * doc/standards.texi: Likewise.
4307         * doc/tree-ssa.texi: Likewise.
4308         * doc/trouble.texi: Likewise.
4309
4310         * doc/extend.texi: Use @: or add comma where appropriate.
4311         * doc/invoke.texi: Likewise.
4312         * doc/tm.texi: Likewise.
4313
4314 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
4315
4316         PR target/34393
4317         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
4318         to a reg.
4319
4320 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
4321
4322         * doc/md.texi (clz, ctz): Add reference.
4323         * doc/rtl.texi (clz, ctz): Likewise.
4324
4325 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4326
4327         PR other/35148
4328         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
4329         srcdir.
4330
4331 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
4332
4333         * config/s390/s390.c (struct constant_pool): New field
4334         emit_pool_after added.
4335         (s390_mainpool_start): Set the emit_pool_after flag according
4336         to the section switch notes.
4337         (s390_mainpool_finish): Consider emit_pool_after when emitting
4338         the literal pool at the end of the function.
4339         (s390_chunkify_start): Force literal pool splits at section
4340         switch notes.
4341
4342 2008-02-13  Michael Matz  <matz@suse.de>
4343
4344         PR debug/35065
4345         * var-tracking.c (clobber_variable_part): Correctly traverse the
4346         list.
4347
4348 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4349
4350         PR 29673
4351         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
4352         Add -fdump-ipa-inline.
4353         * tree-dump.c (dump_files): Remove tree-inlined dump.
4354         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
4355         
4356 2008-02-12  Richard Guenther  <rguenther@suse.de>
4357
4358         PR tree-optimization/35171
4359         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
4360         default defs.
4361
4362 2008-02-12  Richard Guenther  <rguenther@suse.de>
4363
4364         PR middle-end/35163
4365         * fold-const.c (fold_widened_comparison): Use get_unwidened in
4366         value-preserving mode.  Disallow final truncation.
4367
4368 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
4369
4370         PR middle-end/35136
4371         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
4372         code from here to...
4373         (force_gimple_operand): ...here.
4374
4375 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
4376
4377         PR c++/35144
4378         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
4379         non-compatible pointers.
4380         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
4381         different FIELD_DECLs, try harder by comparing field offsets, sizes
4382         and types.
4383
4384         PR inline-asm/35160
4385         * function.c (match_asm_constraints_1): Don't replace the same input
4386         multiple times.
4387
4388 2008-02-12  Anatoly Sokolov <aesok@post.ru>
4389
4390         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
4391         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
4392         (expand_epilogue): Restore RAMPZ register.
4393         * config/avr/avr.md (RAMPZ_ADDR): New constant.
4394
4395 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
4396
4397         * config/i386/cygwin.asm: (__alloca): Correct calling
4398         convention and alignment.
4399         (__chkstk): Force 8 byte stack alignment.
4400
4401 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
4402             Richard Guenther  <rguenther@suse.de>
4403
4404         PR tree-optimization/33992
4405         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
4406         the zero we compare against.
4407
4408 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
4409
4410         PR libfortran/35063
4411         * gthr-win32.h (__gthread_mutex_destroy_function): New function
4412         to CloseHandle after unlocking to prevent accumulation of handle
4413         count.
4414
4415 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4416
4417         PR middle_end/34150
4418         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
4419         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
4420         and update LABEL_NUSES during and after reload.
4421
4422 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
4423
4424         PR middle-end/34627
4425         * combine.c (simplify_if_then_else): Make sure the comparison is
4426         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
4427
4428 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
4429
4430         PR bootstrap/35051
4431         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
4432         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
4433         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
4434         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
4435         * tree.h (get_type_static_bounds): Likewise.
4436
4437 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4438
4439         * doc/invoke.texi (Option Summary, C++ Dialect Options)
4440         (Objective-C and Objective-C++ Dialect Options, Warning Options):
4441         Make -Wfoo language annotations match what the compiler outputs.
4442
4443 2008-02-08  Sa Liu  <saliu@de.ibm.com>
4444
4445         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu 
4446         intrinsics spu_convts, spu_convtu, spu_convtf.
4447         * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
4448
4449 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
4450
4451         * doc/extend.texi (Function Attributes) <noinline>: Mention
4452         asm ("") as method to keep calls.
4453
4454 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4455
4456         PR other/32754
4457         * doc/options.texi (Options): Replace references to opts.sh with
4458         optc-gen.awk.
4459         * opts-common.c: Likewise.
4460         * optc-gen.awk: Likewise.
4461         
4462 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
4463
4464         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
4465
4466 2008-02-07  Richard Henderson  <rth@redhat.com>
4467
4468         PR rtl-opt/33410
4469         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
4470         EXPR_LIST for the REG_EQUAL instead of a comparison with a 
4471         funny mode.
4472
4473 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
4474
4475         PR tree-optimization/35085
4476         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
4477         for operand entry oe2 in addition to operand entry oe3 in order to
4478         expose more opportunities for vectorizer sum reduction.
4479
4480 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4481
4482         PR other/35107
4483         * Makefile.in (LIBS): Remove $(GMPLIBS).
4484         (cc1-dummy, cc1): Add $(GMPLIBS).
4485
4486 2008-02-06  Jan Hubicka  <jh@suse.cz>
4487
4488         PR target/23322
4489         * i386.md (moddf_integer): Do not produce partial memory stalls for
4490         targets where it hurts.
4491
4492 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
4493
4494         PR target/35083
4495         * optabs.c (expand_float): Do not check for decimal modes when
4496         expanding unsigned integer through signed conversion.
4497
4498 2008-02-06  Nick Clifton  <nickc@redhat.com>
4499
4500         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
4501         inside the clobber with a match_operand and duplicated operand
4502         number in the constraint.
4503         (ineqbranchsi): Delete redundant comment.
4504
4505 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
4506
4507         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add 
4508         builtin_define ("__USE_INIT_FINI__").
4509         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
4510         -msx multilibs.
4511         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
4512
4513 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4514
4515         PR documentation/30330
4516         * doc/invoke.texi (C++ Dialect Options)
4517         (Objective-C and Objective-C++ Dialect Options, Warning Options):
4518         For each warning option -Wfoo that allows -Wno-foo, ensure both
4519         -Wfoo and -Wno-foo are listed in the option index.  Fix index
4520         entry of -Wswitch-default, index -Wnormalized= including the
4521         `=', and -Wlarger-than-@var{len} including @var{len}.
4522
4523 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
4524
4525         * config/i386/i386.md (floatunssisf2): Use
4526         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
4527         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
4528         Macroize expander using MODEF mode iterator.
4529
4530 2008-02-05  Diego Novillo  <dnovillo@google.com>
4531
4532         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
4533
4534         PR 33738
4535         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
4536
4537 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4538
4539         PR other/35070
4540         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
4541
4542 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
4543
4544         PR target/35084
4545         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
4546         to indicate if a message should be generated.
4547         (init_cumulative_args): Updated.
4548         (function_value_32): Likewise.
4549
4550 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
4551
4552         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
4553
4554 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
4555
4556         PR target/35083
4557         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
4558         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
4559
4560 2008-02-04  Diego Novillo  <dnovillo@google.com>
4561
4562         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
4563
4564         PR 33738
4565         * tree-vrp.c (vrp_evaluate_conditional): With
4566         -Wtype-limits, emit a warning when comparing against a
4567         constant outside the natural range of OP0's type.
4568
4569 2008-02-04  Richard Guenther  <rguenther@suse.de>
4570
4571         PR middle-end/33631
4572         * expr.c (count_type_elements): Give for unions instead of
4573         guessing.
4574
4575 2008-02-04  Richard Guenther  <rguenther@suse.de>
4576
4577         PR middle-end/35043
4578         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
4579         to TYPE_DOMAINs base type instead of using bitsizetype here.
4580
4581 2008-02-03  Jason Merrill  <jason@redhat.com>
4582
4583         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
4584
4585 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4586
4587         PR other/29972
4588         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
4589         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
4590         (RS/6000 and PowerPC Options): Fix typos and markup.
4591         * doc/passes.texi (Tree-SSA passes): Likewise.
4592
4593 2008-02-02  Michael Matz  <matz@suse.de>
4594
4595         PR target/35045
4596         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
4597         from record_last_reg_set_info.
4598         (record_last_reg_set_info): Take an RTX argument, iterate over all
4599         constituent hardregs.
4600         (record_last_set_info, record_opr_changes): Change calls to
4601         new signature or to record_last_reg_set_info_regno.
4602
4603 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
4604
4605         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
4606
4607 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
4608
4609         PR rtl-optimization/34773
4610         * reg-notes.def (EQUAL): Mention significance of combination of
4611         REG_EQUAL and REG_RETVAL.
4612         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
4613         insn that has a REG_RETVAL.
4614
4615 2008-02-01  Roger Sayle  <roger@eyesopen.com>
4616
4617         PR bootstrap/33781
4618         * configure.ac (--enable-fixed-point): Disable unless explicitly
4619         requested on IRIX.
4620         * configure: Regenerate.
4621
4622 2008-02-01  Richard Guenther  <rguenther@suse.de>
4623
4624         PR other/35042
4625         * invoke.texi (-finline-limit): Remove no longer true parts
4626         of the documentation.  Note that there is no default value.
4627
4628 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
4629             Mark Mitchell  <mark@codesourcery.com>
4630             Ben Elliston  <bje@au.ibm.com>
4631
4632         PR c/29326
4633         * doc/extend.texi (Other Builtins): Document.
4634
4635 2008-01-31  Tom Browder <tom.browder@gmail.com>
4636
4637         * doc/c-tree.texi (Types): Fix grammar.
4638         (Expression trees): Ditto.
4639         * doc/passes.texi (Tree-SSA passes): Ditto.
4640         
4641         * doc/configterms.texi (Configure Terms): Fix typo.
4642         * doc/cpp.texi (Common Predefined Macros): Ditto.
4643         * doc/md.texi (Machine Constraints): Ditto.
4644         
4645         * doc/makefile.texi (Makefile): Add comma.
4646
4647 2008-01-31  Tom Browder  <tom.browder@gmail.com>
4648             Gerald Pfeifer  <gerald@pfeifer.com>
4649         
4650         * doc/sourcebuild.texi (Front End): Remove references to CVS
4651         and CVSROOT/modules.
4652         (Texinfo Manuals): Replace reference to CVS by one to SVN.
4653         (Back End): Remove reference to CVS.
4654
4655 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
4656
4657         PR target/34900
4658         * config/mips/mips.c (gen_load_const_gp): New function, taking a
4659         comment from...
4660         (mips16_gp_pseudo_reg): ...here.
4661         * config/mips/mips.md (load_const_gp): Replace with...
4662         (load_const_gp_<mode>): ...this :P-based insn.
4663
4664 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4665
4666         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
4667         options. Minor fixes.
4668         (-std): Move reference to standards closer to where language
4669         standards are first mentioned.
4670         
4671 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
4672
4673         PR rtl-optimization/34995
4674         * reload.c (alternative_allows_const_pool_ref): Take an rtx
4675         parameter and return a bool.  If the rtx parameter is nonnull,
4676         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
4677         (find_reloads): Update call accordingly.  Pass the new operand
4678         if it needed no address reloads, otherwise pass null.
4679
4680 2008-01-30  Richard Henderson  <rth@redhat.com>
4681
4682         PR c/34993
4683         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
4684         for unbounded arrays.
4685
4686 2008-01-30  Silvius Rus  <rus@google.com>
4687
4688         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
4689
4690 2008-01-30  Jan Hubicka  <jh@suse.cz>
4691
4692         PR target/34982
4693         * i386.c (init_cumulative_args): Use real function declaration when
4694         calling locally.
4695
4696 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
4697
4698         PR rtl-optimization/34998
4699         * global.c (build_insn_chain): Treat non-subreg_lowpart
4700         SUBREGs of pseudos as clobbering all the words covered by the
4701         SUBREG, not just all the bytes.
4702         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
4703         original df_ref rather than an extract parameter.
4704         (global_conflicts): Update call accordingly.
4705
4706 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
4707
4708         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
4709         the overflow check to make it easier to read.
4710         (__fixtfdi): Change the type of the ll member in union
4711         long_double to UDItype_x.
4712
4713 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
4714
4715         PR middle-end/34969
4716         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
4717         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
4718         * tree-inline.c (fold_marked_statements): Call
4719         cgraph_update_edges_for_call_stmt if folding a call statement.
4720         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
4721         debug_generic_stmt calls, reset it back afterwards.
4722
4723         PR c/35017
4724         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
4725         static decls.
4726         * c-typeck.c (build_external_ref): Don't pedwarn about
4727         static vars in current function's scope.
4728
4729 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
4730
4731         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
4732
4733 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
4734
4735         PR c/35002
4736         * ipa-struct-reorg.c: Fix spelling.
4737         * params.def: Ditto.
4738
4739 2008-01-29  Richard Guenther  <rguenther@suse.de>
4740
4741         PR middle-end/35006
4742         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
4743         field.
4744         * tree-inline.c (remap_type): Increment remapping_type_depth
4745         around remapping types.
4746         (copy_body_r): Only add referenced variables if they are referenced
4747         from code, not types.
4748
4749 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
4750
4751         PR c++/34055
4752         PR c++/34103
4753         PR c++/34219
4754         PR c++/34606
4755         PR c++/34753
4756         PR c++/34754
4757         PR c++/34755
4758         PR c++/34919
4759         PR c++/34961
4760         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
4761         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
4762
4763 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
4764
4765         PR target/34412
4766         * config/avr/avr.c (expand_prologue): Use correct QI mode frame 
4767         pointer for tiny stack.
4768
4769 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
4770
4771         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
4772
4773 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
4774
4775         * config/vx-common.h: Fix typo in comment.
4776
4777 2008-01-28  Ian Lance Taylor  <iant@google.com>
4778
4779         PR c++/34862
4780         PR c++/33407
4781         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
4782         coalesce pointers if they have different DECL_NO_TBAA_P values.
4783         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
4784         between variables with different DECL_NO_TBAA_P values.
4785
4786 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
4787
4788         PR 31535
4789         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
4790         are not legitimate small data references on SPE targets.
4791
4792 2008-01-28  David Daney  <ddaney@avtrex.com>
4793
4794         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
4795
4796 2008-01-28  David Daney  <ddaney@avtrex.com>
4797
4798         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
4799
4800 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
4801
4802         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
4803         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
4804         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
4805         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
4806         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
4807         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
4808         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
4809         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
4810
4811 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
4812
4813         * basic-block.h (condjump_equiv_p): Fix comment.
4814
4815 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
4816
4817         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
4818         print_generic_stmt_indented): Fix comment.
4819
4820 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
4821
4822         * configure.ac (__stack_chk_fail): Add detecion for availability
4823         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
4824         * configure: Regenerate.
4825
4826 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
4827
4828         PR middle-end/34688
4829         * final.c (output_addr_const): Handle TRUNCATE.
4830
4831 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
4832
4833         PR target/34711
4834         * tree-ssa-loop-ivopts.c (comp_cost): New type.
4835         (zero_cost, infinite_cost): New constants.
4836         (struct cost_pair): Change type of cost to comp_cost.
4837         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
4838         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
4839         New functions.
4840         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
4841         split_address_cost, ptr_difference_cost, difference_cost,
4842         get_computation_cost_at, get_computation_cost,
4843         determine_use_iv_cost_generic, determine_use_iv_cost_address,
4844         determine_use_iv_cost_condition, determine_use_iv_costs,
4845         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
4846         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
4847         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
4848         Change type of cost to comp_cost.
4849         (determine_iv_cost): Increase cost of non-original ivs, instead
4850         of decreasing the cost of original ones.
4851         (get_address_cost): Indicate the complexity of the addressing mode 
4852         in comp_cost.
4853         (try_add_cand_for): Prefer using ivs not specific to some object.
4854         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
4855
4856 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
4857             Janis Johnson  <janis187@us.ibm.com>
4858
4859         PR target/34814
4860         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
4861         (TARGET_INSTANTIATE_DECLS): Likewise.
4862         * target.h (expand_to_rtl_hook): New target hook.
4863         (instantiate_decls): Likewise.
4864         * function.c (instantiate_decl): Make non-static.  Rename to...
4865         (instantiate_decl_rtl): ... this.
4866         (instantiate_expr): Use instantiate_decl_rtl.
4867         (instantiate_decls_1): Likewise.
4868         (instantiate_decls): Likewise.
4869         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
4870         * function.h (instantiate_decl_rtl): Add prototype.
4871         * cfgexpand.c (target.h): New include.
4872         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
4873         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
4874         (TARGET_INSTANTIATE_DECLS): Likewise.
4875         (TARGET_INITIALIZER): New target hooks added.
4876         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
4877         New prototype.
4878         * config/rs6000/rs6000.c (tree-flow.h): New include.
4879         (machine_function): Add sdmode_stack_slot field.
4880         (rs6000_alloc_sdmode_stack_slot): New function.
4881         (rs6000_instantiate_decls): Likewise.
4882         (rs6000_secondary_memory_needed_rtx): Likewise.
4883         (rs6000_check_sdmode): Likewise.
4884         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
4885         (TARGET_INSTANTIATE_DECLS): Likewise.
4886         (rs6000_hard_regno_mode_ok): Allow SDmode.
4887         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
4888         (rs6000_emit_move): Handle SDmode.
4889         (function_arg_advance): Likewise.
4890         (function_arg): Likewise.
4891         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
4892         SDmode var args for 32-bit compiles.
4893         (rs6000_secondary_reload_class): Handle SDmode.
4894         (rs6000_output_function_epilogue): Likewise.
4895         (rs6000_function_value): Simplify if statement.
4896         (rs6000_libcall_value): Likewise.
4897         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
4898         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
4899         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
4900         (movsd_hardfloat): New define_insn.
4901         (movsd_softfloat): Likewise.
4902         (movsd_store): Likewise.
4903         (movsd_load): Likewise.
4904         (extendsddd2): Likewise.
4905         (extendsdtd2): Likewise.
4906         (truncddsd2): Likewise.
4907         (movdd_hardfloat64): Fixup comment.
4908         (UNSPEC_MOVSD_LOAD): New constant.
4909         (UNSPEC_MOVSD_STORE): Likewise.
4910
4911 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
4912
4913         PR c++/34965
4914         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
4915         TRUTH_XOR_EXPR.
4916         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
4917         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
4918         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
4919         and TRUTH_XOR_EXPR.
4920
4921 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
4922
4923         PR target/34794
4924         * config.gcc: Separate AIX 5.3 from AIX 6.1.
4925         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4926         __LONGDOUBLE128 too.
4927         * config/rs6000/aix61.h: New file.
4928
4929 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
4930
4931         PR rtl-optimization/34959
4932         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
4933         popcount and parity rtxes the same mode as their operand.
4934         Truncate or extend the result to the return value's mode
4935         if necessary.
4936
4937 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
4938
4939         PR target/34981
4940         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
4941         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
4942         to GOT_VERSION_REGNUM.
4943         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
4944         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
4945         * config/mips/mips.c (mips_emit_call_insn): New function.
4946         (mips_call_tls_get_addr): Call mips_expand_call directly.
4947         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
4948         emit_call_insn.
4949         (mips16_build_call_stub): Likewise.  Return the call insn or null.
4950         (mips_expand_call): Update the call to mips16_build_call_stub
4951         accordingly and a remove redundant condition.  Assert that MIPS16
4952         stubs do not use lazy binding.  Use mips_emit_call_insn and return
4953         the call insn.
4954         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
4955         TARGET_USE_GOT.
4956         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
4957         (mips_avoid_hazard): Remove hazard_set handling.
4958         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
4959         (UNSPEC_RESTORE_GP): ...this.
4960         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
4961         (FAKE_CALL_REGNO): Rename to...
4962         (GOT_VERSION_REGNUM): ...this.
4963         (type): Add "ghost" value.  Add an associated insn reservation.
4964         (hazard_set): Remove.
4965         (exception_receiver): Rename to...
4966         (restore_gp): ...this and update the unspec identifier accordingly.
4967         (exception_receiver, nonlocal_got_receiver): New expanders.
4968         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
4969         FAKE_CALL_REGNO.  Remove hazard_set attribute.
4970         (set_got_version, update_got_version): New patterns.
4971
4972 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
4973
4974         PR target/34970
4975         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
4976
4977 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
4978
4979         PR other/31955
4980         * doc/install.texi2html: Generate gcc-vers.texi.
4981
4982 2008-01-25  DJ Delorie  <dj@redhat.com>
4983
4984         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
4985
4986 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
4987
4988         * config/c4x: Remove directory.
4989         * config.gcc (crx-*, mt-*): Mark obsolete.
4990         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
4991         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
4992         sh-*-rtemscoff*): Remove cases.
4993         * defaults.h (C4X_FLOAT_FORMAT): Remove.
4994         * real.c (encode_c4x_single, decode_c4x_single,
4995         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
4996         c4x_extended_format): Remove.
4997         * real.h (c4x_single_format, c4x_extended_format): Remove.
4998         * doc/extend.texi (interrupt, naked): Remove mention of attributes
4999         on C4x.
5000         (Pragmas): Remove comment about c4x pragmas.
5001         * doc/install.texi (c4x): Remove target-specific instructions.
5002         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
5003         * doc/md.texi (Machine Constraints): Remove C4x documentation.
5004         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
5005         refer to C4x source files as examples.
5006         (C4X_FLOAT_FORMAT): Remove documentation.
5007
5008 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
5009
5010         * config/bfin/bfin.c (override_options): Reorder tests so that
5011         flag_pic gets enabled for -msep-data.
5012
5013 2008-01-25  Richard Guenther  <rguenther@suse.de>
5014
5015         PR middle-end/32244
5016         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
5017         to its bitfield precision if required.
5018
5019 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
5020
5021         PR middle-end/33880
5022         * tree-nested.c (walk_omp_for): New function.
5023         (convert_nonlocal_reference, convert_local_reference): Call
5024         walk_omp_for on OMP_FOR.
5025         (convert_call_expr): Call walk_body on OMP_FOR's
5026         OMP_FOR_PRE_INIT_BODY.
5027
5028 2008-01-25  Richard Guenther  <rguenther@suse.de>
5029
5030         PR tree-optimization/34966
5031         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
5032         default defs and PHI_NODEs we have to insert after the
5033         defining statement.
5034
5035 2008-01-24  Nick Clifton  <nickc@redhat.com>
5036
5037         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
5038         Provide a default definition.
5039         (LIBGCC2_UNITS_PER_WORD): Likewise.
5040
5041         * config/stormy16/stormy16.c: Include df.h for the prototype
5042         for df_regs_ever_live_p.
5043         (xstormy16_expand_builtin_va_start): Convert the stack offset
5044         into a component_ref and then use POINTER_PLUS_EXPR to add it
5045         to the incoming_virtual_args_rtx.
5046         (xstormy16_gimplify_va_arg_expr): Rename to
5047         xstormy16_gimplify_va_arg_expr.
5048         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
5049         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
5050         xstormy16_gimplify_va_arg_expr.
5051         Fix up some formatting issues.
5052
5053         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
5054         Move to predicates.md.
5055         (xs_hi_general_operand): Likewise.
5056         (xs_hi_nonmemory_operand): Likewise.
5057         * config/stormy16/predicates.md:
5058         (xstormy16_carry_plus_operand): New predicate.
5059         (xs_hi_general_operand): New predicate.
5060         (xs_hi_nonmemory_operand): New predicate.
5061         * config/stormy16/stormy16-protos.h:
5062         (xstormy16_carry_plus_operand): Delete prototype.
5063         (xs_hi_general_operand): Likewise.
5064         (xs_hi_nonmemory_operand): Likewise.
5065
5066         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
5067         modifiers as they are no longer needed and they can trigger
5068         reload spill failures.
5069
5070         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
5071         with a match_operand in order to help reload.
5072
5073         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
5074         constraint with 'e' for the 8th alternative as this version of
5075         the mov.w instruction only accepts the lower 8 registers.
5076
5077 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
5078
5079         PR target/34856
5080         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
5081         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
5082         vector elements.
5083
5084 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
5085
5086         PR middle-end/33333
5087         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
5088
5089 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
5090
5091         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
5092         New functions.
5093         (remove_structure): Update allocations list before removing structure.
5094         
5095 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
5096
5097         * ipa-struct-reorg.c (is_safe_cond_expr, 
5098         create_new_stmts_for_cond_expr): Use integer_zerop function,
5099         that recognize not only zero-pointer, but zero-integer too.
5100
5101 2008-01-25  Ben Elliston  <bje@au.ibm.com>
5102
5103         PR other/22232
5104         * fixproto: Escape "." in sed expression that strips leading "./".
5105
5106 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
5107
5108         PR driver/34904
5109         * gcc.c (SWITCH_OK): Removed.
5110         (SWITCH_LIVE): Changed to bit.
5111         (SWITCH_FALSE): Likewise.
5112         (SWITCH_IGNORE): Likewise.
5113         (switchstr): Change live_cond to unsigned int.
5114         (process_command): Replace SWITCH_OK with 0.
5115         (do_self_spec): Likewise.
5116         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
5117         (give_switch): Likewise.
5118         (used_arg): Likewise.
5119         (do_spec_1): Set the SWITCH_IGNORE bit.
5120         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
5121         bits.  Set the SWITCH_LIVE bit.
5122
5123 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
5124
5125         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
5126
5127 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
5128
5129         PR tree-optimization/34472
5130         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
5131         parameter to a "bool *" and set *DATA to false if there is
5132         an unsafe access.  Do not delete the structure here.
5133         (check_cond_exprs): Delete it here instead.
5134         (check_cond_exprs, exclude_cold_structs): Do not increase
5135         I when removing a structure.
5136
5137 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
5138
5139         PR target/34856
5140         * config/i386/i386.c (ix86_expand_vector_init): Consider only
5141         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
5142
5143 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
5144
5145         PR middle-end/34934
5146         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
5147         a fixed vector for stack.
5148
5149 2008-01-24  Ben Elliston  <bje@au.ibm.com>
5150
5151         PR c++/25701
5152         * doc/gcc.texi (Software development): Add a direntry for g++.
5153         
5154 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
5155
5156         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
5157         stale and straggling -fforce-addr comments above.
5158
5159         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
5160         define.
5161         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
5162         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
5163
5164 2008-01-23  Michael Matz  <matz@suse.de>
5165
5166         PR debug/34895
5167         * dwarf2out.c (force_type_die): Use modified_type_die instead of
5168         gen_type_die.
5169
5170 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
5171
5172         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
5173         malloc result type.
5174
5175 2008-01-23 Anatoly Sokolov <aesok@post.ru>
5176
5177         * config/avr/avr.c (avr_current_arch): New variable.
5178         (avr_arch_types): Add 'avr31' and 'avr51' entries.
5179         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
5180         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
5181         (avr_override_options): Init 'avr_current_arch'. 
5182         (base_arch_s): Move from here...
5183         * config/avr/avr.h (base_arch_s): ... here. Add new members 
5184         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename 
5185         'mega' to 'have_jmp_call'.
5186         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__", 
5187         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
5188         macros.
5189         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51' 
5190         architectures.
5191         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, 
5192         MULTILIB_MATCHES): (Ditto.).
5193
5194 2008-01-23  Richard Guenther  <rguenther@suse.de>
5195
5196         PR middle-end/31529
5197         * cgraphunit.c (cgraph_reset_node): Always mark the node
5198         not reachable if it is not queued already.
5199
5200 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
5201
5202         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
5203         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
5204         (cputype_selected): New static variable.
5205         (bfin_handle_option): Set it if -mcpu is used.
5206         (override_option): Select default set of workarounds if no cpu type
5207         selected on the command line.
5208         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
5209
5210         From  Michael Frysinger  <michael.frysinger@analog.com>
5211         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
5212         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
5213
5214         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
5215         for bf547, bf523, bf524, and bf526.
5216         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
5217         bf526.
5218         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
5219         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
5220         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
5221         __ADSPBF547__ and __ADSPBF54x__ for bf547.
5222         * doc/invoke.texi (Blackfin Options): Document that
5223         -mcpu now accept bf547, bf523, bf524, and bf526.
5224
5225 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
5226
5227         PR rtl-optimization/34628
5228         * combine.c (try_combine): Stop and undo after the first combination
5229         if an autoincrement side-effect on the first insn has effectively
5230         been lost.
5231
5232 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
5233
5234         PR target/34529
5235         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
5236         Offset addresses are not valid for Altivec or paired float modes.
5237
5238 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
5239
5240         PR c++/34607
5241         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
5242         if DECL_INITIAL (decl) is error_mark_node.
5243
5244         PR c++/34914
5245         * c-common.c (handle_vector_size_attribute): Only allow
5246         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
5247         the same way as pointer, array etc. types.
5248         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
5249
5250         PR c++/34917
5251         * tree.c (build_type_attribute_qual_variant): Call
5252         build_qualified_type if attributes are equal, but quals are not.
5253
5254 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5255
5256         PR 32102
5257         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
5258         * flags.h (warn_strict_aliasing): Remove.
5259         (warn_strict_overflow): Remove.
5260         * opts.c (warn_strict_aliasing): Remove.
5261         (warn_strict_overflow): Remove.
5262         * c-opts.c (c_common_handle_option): -Wall only sets
5263         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
5264         (c_common_post_options): Give default values to -Wstrict-aliasing
5265         and -Wstrict-overflow if they are uninitialized.
5266         * common.opt (Wstrict-aliasing): Specify Var and Init.
5267         (Wstrict-overflow): Likewise.
5268
5269 2008-01-22  Kenneth Zadeck <zadeck@naturalbridge.com>
5270
5271         PR rtl-optimization/26854
5272         PR rtl-optimization/34400
5273         PR rtl-optimization/34884
5274         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
5275         DF_RD->gen.
5276         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
5277         (df_rd_bb_info.expanded_lr_out): Deleted
5278         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
5279         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
5280         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
5281         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
5282         Removed code to allocate, initialize or free expanded_lr_out.
5283         (df_rd_bb_local_compute_process_def): Restructured to make more
5284         understandable.
5285         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
5286         sets if the sets are being trimmed.
5287
5288 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
5289
5290         PR bootstrap/32287
5291         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
5292         (as_vers): Likewise.
5293         * configure: Regenerated.
5294
5295 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5296
5297         PR middle-end/33092
5298         * tree-pass.h (pass_build_alias): New pass.
5299         * tree-ssa-alias.c (gate_build_alias): New.
5300         (pass_build_alias): New.
5301         * passes.c (init_optimization_passes): Add pass_build_alias after
5302         pass_create_structure_vars.
5303
5304 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
5305
5306         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
5307         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
5308         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
5309         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
5310         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
5311         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
5312         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
5313         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
5314         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
5315         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
5316         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
5317         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
5318         * config/s390/s390.md (FP_ALL): New mode iterator.
5319         (_d): New mode attribute.
5320         ("*signbit<mode>2>"): Changed mode of first operand.
5321         ("isinf<mode>2"): Changed mode of first operand.
5322         ("*TDC_insn"): Adaptation for DFP modes.
5323
5324 2008-01-22  Ben Elliston  <bje@au.ibm.com>
5325
5326         * tree.c (check_qualified_type): Improve function description.
5327
5328 2008-01-21  Jason Merrill  <jason@redhat.com>
5329
5330         PR c++/34196
5331         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
5332         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
5333         if it is set.
5334
5335 2008-01-21  DJ Delorie  <dj@redhat.com>
5336
5337         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
5338         return zero.
5339
5340 2008-01-21  Richard Guenther  <rguenther@suse.de>
5341
5342         PR middle-end/34856
5343         * tree-cfg.c (verify_expr): Allow all invariant expressions
5344         instead of just constant class ones as reference argument.
5345         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
5346         like any other constant.
5347         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
5348
5349 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
5350
5351         * regmove.c (fixup_match_1): Update call crossed frequencies.
5352
5353 2008-01-21  Richard Guenther  <rguenther@suse.de>
5354
5355         PR c/34885
5356         * tree-inline.c (setup_one_parameter): Deal with mismatched
5357         types using a VIEW_CONVERT_EXPR.
5358
5359 2008-01-21  Alon Dayan  <alond@il.ibm.com>
5360             Olga Golovanevsky  <olga@il.ibm.com>
5361         
5362         PR tree-optimization/34701
5363         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
5364         when the structure size is not a power of 2.
5365
5366 2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>
5367
5368         * doc/install.texi: Add doc for --enable-checking=df.
5369         
5370 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
5371
5372         PR rtl-optimization/34808
5373         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
5374
5375 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
5376
5377         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
5378         input.
5379
5380 2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
5381
5382         PR rtl-optimization/26854
5383         PR rtl-optimization/34400
5384         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
5385         DF_RD->gen.
5386         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
5387         (df_rd_bb_info.expanded_lr_out): New.
5388         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
5389         * loop_iv.c (iv_analysis_loop_init): Ditto.
5390         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
5391         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
5392         Added code to allocate, initialize or free expanded_lr_out.
5393         (df_rd_bb_local_compute_process_def): Restructured to make
5394         more understandable.
5395         (df_rd_confluence_n): Add code to do nothing with fake edges and
5396         code to no apply invalidate_by_call sets if the sets are being trimmed.
5397         (df_lr_local_finalize): Renamed to df_lr_finalize.
5398         (df_live_local_finalize): Renamed to df_live_finalize.
5399
5400 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
5401
5402         PR target/34831
5403         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
5404         deciding whether to use reciprocal instructions.
5405
5406 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
5407
5408         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
5409         dwarf2out_note_section_used if cold_text_section is NULL.
5410
5411 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
5412
5413         PR gcov-profile/34610
5414         * tree-cfg.c (make_edges): Mark both outgoing edges from
5415         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
5416         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
5417         from OMP_FOR and OMP_CONTINUE outgoing edges.
5418
5419         * tree-profile.c (tree_profiling): Return early if
5420         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
5421         at the end.
5422         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
5423         from cfun to child_cfun.
5424         * function.h (struct function): Add after_tree_profile bit.
5425
5426 2008-01-19 Anatoly Sokolov <aesok@post.ru>
5427
5428         * config/avr/avr.S (_exit): Disable interrupt.
5429
5430 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
5431             Steven Bosscher  <stevenb.gcc@gmail.com>
5432
5433         PR rtl-optimization/26854
5434         PR rtl-optimization/34400
5435         * df-problems.c (df_live_scratch): New scratch bitmap.
5436         (df_live_alloc): Allocate df_live_scratch when doing df_live.
5437         (df_live_reset): Clear the proper bitmaps.
5438         (df_live_bb_local_compute): Only process the artificial defs once
5439         since the order is not important.
5440         (df_live_init): Init the df_live sets only with the variables
5441         found live by df_lr.
5442         (df_live_transfer_function): Use the df_lr sets to prune the
5443         df_live sets as they are being computed.  
5444         (df_live_free): Free df_live_scratch.
5445
5446 2008-01-18  Ian Lance Taylor  <iant@google.com>
5447
5448         * common.opt: Add fmerge-debug-strings.
5449         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
5450         flag_merge_debug_strings rather than flag_merge_constants.
5451         * doc/invoke.texi (Option Summary): Mention
5452         -fmerge-debug-strings.
5453         (Debugging Options): Document -fmerge-debug-strings.
5454
5455 2008-01-18  Ian Lance Taylor  <iant@google.com>
5456
5457         PR c++/33407
5458         * tree.h (DECL_IS_OPERATOR_NEW): Define.
5459         (struct tree_function_decl): Add new field operator_new_flag.
5460         * tree-inline.c (expand_call_inline): When inlining a call to
5461         operator new, force the return value to go into a variable, and
5462         set DECL_NO_TBAA_P on that variable.
5463         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
5464
5465 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
5466
5467         PR debug/34484
5468         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
5469         DWARF2_DEBUGGING_INFO.
5470         (dwarf2out_note_section_used): Ditto.  Add prototype.
5471         (have_multiple_function_sections, text_section_used,
5472         cold_text_section_used, *cold_text_sections): Move declarations
5473         before their uses.
5474
5475 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
5476
5477         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
5478         field and add signal_ra.
5479         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
5480         assignments to frame state pc.  Move end of stack check after
5481         MD_FALLBACK_FRAME_STATE_FOR.
5482         (uw_update_context_1): Use frame state signal_regs if set, instead
5483         of checking signal_frame flag.
5484         (uw_update_context): Use frame state signal_ra if set.
5485         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
5486         * config/xtensa/linux-unwind.h: New file.
5487
5488 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
5489
5490         * modulo-sched.c (get_sched_window): Fix comment typo.
5491
5492 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
5493
5494         PR tree-optimization/34648
5495         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
5496
5497 2008-01-17  Anatoly Sokolov <aesok@post.ru>
5498
5499         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
5500         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
5501
5502 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
5503
5504         PR rtl-optimization/34400
5505         * df-core.c (df_worklist_dataflow_overeager,
5506         df_worklist_dataflow_doublequeue): New functions.
5507         (df_worklist_dataflow): Two different worklist solvers.
5508         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
5509         New param.
5510
5511 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
5512
5513         PR testsuite/34821
5514         * doc/invoke.texi: Document the dependence on pthread for fopenmp
5515         and ftree-parallelize-loops.
5516
5517 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
5518
5519         PR rtl-optimization/34826
5520         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
5521
5522 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
5523
5524         * global.c (find_reg): Mark the eh regs as used if necessary.
5525         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
5526         * ra.h (struct allocno): no_eh_reg field added.  Changed
5527         no_stack_reg type to bitfield.
5528
5529 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
5530
5531         * tree.c (substitute_in_expr): Add missing 'break'.
5532
5533 2008-01-17  Richard Guenther  <rguenther@suse.de>
5534
5535         PR tree-optimization/34825
5536         * tree-ssa-math-opts.c (is_division_by): Do not recognize
5537         x / x as division to handle.
5538
5539 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5540
5541         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
5542         "-pthread" is specified.
5543         * pa-hpux11.h (LIB_SPEC): Likewise.
5544
5545 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
5546             Peter Bergner  <bergner@vnet.ibm.com>
5547
5548         PR rtl-optimization/33796
5549         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
5550
5551 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5552
5553         PR libgfortran/34699
5554         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
5555         static links.
5556         * pa-hpux10.h (LINK_SPEC): Likewise.
5557         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
5558
5559 2008-01-16  Richard Guenther  <rguenther@suse.de>
5560
5561         PR middle-end/32628
5562         * fold-const.c (fold_convert_const_int_from_int): Do not
5563         set overflow if that occured only because of a sign extension
5564         change when converting from/to a sizetype with the same
5565         precision and signedness.
5566
5567 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
5568
5569         PR debug/34249
5570         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
5571         location address to the correct place.  Update copyright year.
5572
5573 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
5574
5575         * lambda-code.c (lambda_transform_legal_p): Handle the case of
5576         no dependences in the dependence_relations vector.
5577
5578 2008-01-16  Jan Hubicka  <jh@suse.cz>
5579
5580         PR rtl-optimization/31396
5581         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
5582         * cfg.c (dump_reg_info): Print it.
5583         * regs.h (struct reg_info_t): add freq_calls_crossed.
5584         (REG_FREQ_CALLS_CROSSED): New macro.
5585         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
5586         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
5587         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
5588         regmove_optimize): Update call crossed frequencies.
5589         * local-alloc.c (struct qty): Add freq_calls_crossed.
5590         (alloc_qty): Copute freq_calls_crossed.
5591         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
5592         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
5593         * ra.h (struct allocno): Add freq_calls_crossed.
5594
5595 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
5596
5597         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
5598         libgomp when compiling with ftree-parallelize-loops.
5599         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
5600
5601 2008-01-16  Richard Guenther  <rguenther@suse.de>
5602
5603         PR tree-optimization/34769
5604         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
5605         * tree.c (int_cst_value): Instead make this function more
5606         permissive in what it accepts as valid input.  Document this
5607         function always sign-extends the value.
5608
5609 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
5610             Richard Guenther  <rguenther@suse.de>
5611
5612         PR c/34668
5613         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
5614         (gimple_fold_indirect_ref_rhs): ... this.
5615         (gimple_fold_indirect_ref): New function with foldings
5616         that preserve lvalueness.
5617         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
5618         * tree-flow.h (gimple_fold_indirect_ref): Declare.
5619         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
5620         to fold an INDIRECT_REF, fall back to the old use of
5621         fold_indirect_ref_1.
5622
5623 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
5624
5625         * tree-data-ref.c (subscript_dependence_tester_1): Call 
5626         free_conflict_function.
5627         (compute_self_dependence): Same.
5628
5629 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
5630
5631         PR debug/34249
5632         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
5633         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
5634         function global.
5635         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
5636         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
5637         for DWARF2_UNWIND_INFO targets.
5638
5639 2008-01-16  Richard Guenther  <rguenther@suse.de>
5640
5641         PR c/34768
5642         * c-typeck.c (common_pointer_type): Do not merge inconsistent
5643         type qualifiers for function types.
5644
5645 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
5646
5647         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
5648         loop_iterator li from previous commit.
5649
5650 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
5651
5652         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
5653
5654 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
5655
5656         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
5657         (parallelize_loops): Don't parallelize irreducible components.
5658
5659 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5660
5661         PR c++/24924
5662         * c-opts (c_common_post_options): Do not enable CPP
5663         flag_pedantic_errors by default.
5664         
5665 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
5666
5667         PR rtl-optimization/31944
5668         * cse.c (remove_pseudo_from_table): New function.
5669         (merge_equiv_classes): Use above function to remove pseudo-registers.
5670         (invalidate): Likewise.
5671
5672 2008-01-13  Richard Guenther  <rguenther@suse.de>
5673
5674         PR middle-end/34601
5675         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
5676         instead of TYPE_MODE to deal with calls from expand_one_error_var.
5677
5678 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
5679
5680         * gcse.c (cprop_jump): Call validate_unshare_change instead of
5681         validate_change to unshare the source of the PC set.
5682
5683 2008-01-12  Jan Hubicka  <jh@suse.cz>
5684
5685         PR middle-end/32135
5686         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
5687         references above array bounds.  This might trigger bounds checks for
5688         pointers to arrays.
5689
5690 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
5691
5692         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
5693         new_replaceable_dependencies.
5694
5695 2008-01-12  Doug Kwan  <dougkwan@google.com>
5696
5697         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
5698         instead of OPT_Wreturn_type in warning due to ignored return type
5699         qualifiers.
5700         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
5701         options included in -Wextra.
5702         * c.opt: New option -Wignored_qualifiers.
5703         * doc/invoke.texi (Warning Options, -Wextra): Add new option
5704         -Wignore_qualifiers.
5705         (-Wignored-qualifiers): Document.
5706         (-Wreturn-type): Remove description of functionality now handled
5707         by -Wignored-qualifiers.
5708
5709 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
5710
5711         PR ada/33788
5712         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
5713         NOP_EXPR if it is between integral types with the same precision.
5714
5715 2008-01-12  Jan Hubicka  <jh@suse.cz>
5716
5717         PR other/28023
5718         * invoke.texi (max-inline-recursive-depth): Fix default value.
5719
5720 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
5721
5722         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
5723         correct type.
5724
5725 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
5726         
5727         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
5728         
5729 2008-01-11  James E. Wilson  <wilson@specifix.com>
5730
5731         PR target/26015
5732         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
5733
5734 2008-01-11  Anatoly Sokolov <aesok@post.ru>
5735
5736         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't 
5737         save/restore frame pointer register and don't use 'call-prologues' 
5738         optimization in function with "OS_task" attribute.
5739
5740 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
5741
5742         PR middle-end/31309
5743         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
5744         when copying to memory.
5745
5746 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
5747
5748         PR rtl-optimization/30905
5749         * cfgcleanup.c: Include dce.h
5750         (crossjumps_occured): New global variable.
5751         (try_crossjump_bb): Exit loop after finding a fallthru edge.
5752         If something changed, set crossjumps_occured to true.
5753         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
5754         Don't add/remove fake edges to exit here...
5755         (cleanup_cfg): ...but do it here, when crossjumping.
5756         Run a fast DCE when successful crossjumps occured in the latest
5757         iteration of try_optimize_cfg.
5758
5759 2008-01-11  Richard Guenther  <rguenther@suse.de>
5760
5761         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
5762         (struct vn_unary_op_s): Likewise.
5763         (vn_reference_insert): Free old reference on hash collision.
5764
5765 2008-01-10  Raksit Ashok  <raksit@google.com>
5766
5767         PR rtl-optimization/27971
5768         * combine.c (find_split_point): Split PLUS expressions which are
5769         inside a MEM rtx, and whose first operand is complex.
5770
5771 2008-01-10  DJ Delorie  <dj@redhat.com>
5772
5773         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
5774         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
5775         (m32c_hard_regno_ok): Call the underlying function.
5776
5777 2008-01-10  Richard Guenther  <rguenther@suse.de>
5778
5779         PR middle-end/34683
5780         * tree-cfg.c (tree_merge_blocks): Do not go through the
5781         full-blown folding and stmt updating path if we just deal
5782         with virtual operands.
5783         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
5784         test for abnormal SSA_NAMEs.
5785
5786 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
5787
5788         PR middle-end/34641
5789         * reload.c (push_reload): Add assertions.  All constants from
5790         reg_equiv_constant should have been used for replacing the respective
5791         pseudo earlier.
5792         (find_reloads_address): Invoke find_reloads_address_part for
5793         constant taken from the reg_equiv_constant array.
5794
5795 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
5796
5797         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
5798         field (valnum) the first in the struct.  Replace bools with
5799         unit bit fields.
5800
5801 2008-01-10  Richard Guenther  <rguenther@suse.de>
5802
5803         PR tree-optimization/34651
5804         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
5805         types and ordering for masking and converting.
5806
5807 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
5808
5809         PR tree-optimization/34017
5810         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
5811         also for PHI_NODE expressions.
5812
5813 2008-01-09  Jan Hubicka  <jh@suse.cz>
5814
5815         PR tree-optimization/34708
5816         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
5817         based on number of case labels.
5818         (init_inline_once): Remove switch_cost.
5819         * tree-inline.h (eni_weights_d): Remove switch_cost.
5820
5821 2008-01-09  Richard Guenther  <rguenther@suse.de>
5822         Andrew Pinski  <andrew_pinski@playstation.sony.com>
5823
5824         PR middle-end/30132
5825         * gimplify.c (gimplify_cond_expr): Do not create an addressable
5826         temporary if an rvalue is ok or an lvalue is not required.
5827
5828 2008-01-09  Richard Guenther  <rguenther@suse.de>
5829
5830         PR middle-end/34458
5831         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
5832         adjust return type.
5833
5834 2008-01-09  Richard Guenther  <rguenther@suse.de>
5835
5836         PR middle-end/34679
5837         * tree.c (host_integerp): Check for sizetype only if the
5838         type is an integer type.
5839
5840 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
5841
5842         PR debug/26364
5843         * opts.c (decode_options): Disable inlining of functions called
5844         once if not in unit-at-a-time mode.
5845
5846 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
5847
5848         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
5849
5850 2008-01-08  Richard Guenther  <rguenther@suse.de>
5851
5852         PR middle-end/31863
5853         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
5854         out early if the result will be unused.
5855
5856 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
5857
5858         PR target/34709
5859         Revert:
5860
5861         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
5862         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
5863         for TARGET_RECIP.       
5864         
5865 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
5866         
5867         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
5868         for vectorization tuned.
5869         
5870 2008-01-08  Richard Guenther  <rguenther@suse.de>
5871
5872         PR tree-optimization/34683
5873         * tree-ssa-operands.c (operand_build_cmp): Export.
5874         * tree-ssa-operands.h (operand_build_cmp): Declare.
5875         * tree-vn.c (vuses_compare): Remove.
5876         (sort_vuses): Use operand_build_cmp.
5877         (sort_vuses_heap): Likewise.
5878         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
5879         to re-use old VEC if available.  Do not sort already sorted VUSEs.
5880         (vdefs_to_vec): Do not sort already sorted VDEFs.
5881
5882 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
5883
5884         PR middle-end/34694
5885         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
5886
5887 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
5888
5889         PR target/34702
5890         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
5891         limitations of reciprocal sequences on x86 targets.
5892
5893 2008-01-08  Richard Guenther  <rguenther@suse.de>
5894
5895         PR tree-optimization/34683
5896         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
5897
5898 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
5899
5900         PR target/34622
5901         * config/darwin.c (darwin_mergeable_string_section): Don't use
5902         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
5903
5904 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
5905
5906         PR target/34682
5907         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
5908         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
5909         predicates of op0 and op1 to register_operand.
5910         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
5911         expander using X87MODEF mode iterator.  Change predicates of
5912         op0 and op1 to register_operand.
5913         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
5914         corresponding patterns and macroize using MODEF macro.  Change
5915         predicates of op0 and op1 to register_operand and remove
5916         "m" constraint. Disparage "r" alternative with "!".
5917         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
5918         macroize using X87MODEF macro.  Change predicates of op0 and op1
5919         to register_operand and remove "m" constraint.  Disparage "r"
5920         alternative with "!".
5921         (absneg splitter with memory operands): Remove.
5922         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
5923         patterns and macroize using X87MODEF mode iterator.
5924         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
5925         Change predicate of op1 to register_operand.
5926         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
5927         for memory operands.
5928
5929 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
5930
5931         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
5932
5933 2008-01-07  Richard Guenther  <rguenther@suse.de>
5934
5935         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
5936         fields.
5937
5938 2008-01-07  Richard Guenther  <rguenther@suse.de>
5939
5940         PR tree-optimization/34683
5941         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
5942         VOPs of the needed size to save memory.  Use VEC_quick_push
5943         to save compile-time.
5944         (vdefs_to_vec): Likewise.
5945
5946 2008-01-07  Sa Liu  <saliu@de.ibm.com>
5947
5948         * config/spu/spu.md (divdf3): Genetate inline code for double
5949         division.  The implementation doesn't handle INF or NAN, therefore it
5950         only applies when -ffinite-math-only is given.
5951
5952 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
5953
5954         PR libstdc++/34680
5955         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
5956         * doc/cpp.texi ([Common Predefined Macros]): Document.
5957
5958 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
5959
5960         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
5961         order to use commutative addition instead of subtraction.
5962
5963 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5964             Mircea Namolaru  <namolaru@il.ibm.com>
5965             Vladimir Yanovsky  <yanov@il.ibm.com>
5966             Revital Eres  <eres@il.ibm.com>
5967
5968         PR tree-optimization/34263
5969         * tree-outof-ssa.c (process_single_block_loop_latch,
5970         contains_tree_r): New functions.
5971         (analyze_edges_for_bb): Call process_single_block_loop_latch
5972         function to empty single-basic-block latch block if possible.
5973
5974 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
5975
5976         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
5977         for TARGET_RECIP.
5978         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
5979
5980 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
5981
5982         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
5983
5984 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
5985
5986         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
5987
5988 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
5989
5990         PR tree-optimization/34618
5991         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
5992         flag from T.
5993
5994 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
5995
5996         PR target/34673
5997         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
5998         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
5999         Update copyright year.
6000
6001         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
6002         Update copyright year.
6003         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
6004         using NR fixup.
6005
6006 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
6007
6008         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
6009         edge does not point to current bb before changing need_assert.
6010
6011 2008-01-04  Richard Guenther  <rguenther@suse.de>
6012
6013         PR middle-end/34029
6014         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
6015         for verifying purposes if they are is_gimple_min_invariant.
6016
6017 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
6018
6019         PR tree-optimization/34448
6020         PR tree-optimization/34465
6021         * gimplify.c (gimplify_init_constructor): Add new parameter
6022         notify_temp_creation.  Use it.
6023         (gimplify_modify_expr_rhs): Take volatiles into account when
6024         optimizing constructors.
6025         Do not optimize constructors if gimplify_init_constructor will dump to
6026         memory.
6027         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
6028         * gcc.c-torture/compile/pr34448.c: New.
6029
6030 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
6031
6032         PR gcov-profile/34609
6033         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
6034         return_slot if result is TREE_ADDRESSABLE.
6035
6036 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
6037
6038         * config/mips/mips.md (sqrt_condition): Tweak comment.
6039         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
6040
6041 2008-01-03  Tom Tromey  <tromey@redhat.com>
6042
6043         PR c/34457
6044         * c-common.c (c_type_hash): Handle VLAs.
6045
6046 2008-01-03  Jan Hubicka  <jh@suse.cz>
6047
6048         PR tree-optimization/31081
6049         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
6050         0 when inlining and not inlining to first basic block.
6051         (remap_decl): When var is initialized to 0, don't set default_def.
6052         (expand_call_inline): Set entry_bb.
6053         * tree-inline.h (copy_body_data): Add entry_bb.
6054
6055 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
6056
6057         PR c++/34619
6058         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
6059         before returning.
6060
6061         PR tree-optimization/29484
6062         * tree-inline.c (inline_forbidden_p_2): New function.
6063         (inline_forbidden_p): Disallow inlining if some static var
6064         has an address of a local LABEL_DECL in its initializer.
6065         * doc/extend.texi (Labels as Values): Document &&foo behaviour
6066         vs. inlining.
6067
6068 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
6069
6070         PR tree-optimization/34635
6071         * tree-data-ref.c (add_other_self_distances): Make sure that the
6072         evolution step is constant.
6073
6074 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
6075
6076         PR middle-end/34608
6077         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
6078
6079 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
6080
6081         * tree-sra.c (scalarize_init): Insert the generate_element_init
6082         statements after the generate_element_zero statements.
6083
6084 2008-01-02  Richard Guenther  <rguenther@suse.de>
6085
6086         PR middle-end/34093
6087         PR middle-end/31976
6088         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
6089         for very large number of operands instead of ICEing.
6090
6091 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
6092
6093         PR target/34013
6094         * config/i386/i386.c (ix86_expand_prologue): Save red-zone
6095         while stack probing.
6096
6097 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
6098
6099         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
6100         in C++0x mode.
6101
6102 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
6103
6104         PR libmudflap/26442
6105         * tree-mudflap.c (mx_register_decls): Guard warning by
6106         !DECL_ARTIFICIAL check.
6107
6108 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
6109
6110         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
6111         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
6112         sse5_perm<mode>): Fix constraints.