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1 2008-04-05  Jan Hubicka  <jh@suse.cz>
2
3         * emit-rtl.c (init_emit): xcalloc regno_pointer_align.
4
5         * tree-dump.c (dump_enable_all): Remove prototype; do not accept
6         letter argument.
7         (dump_files): Update.
8         (enable_rtl_dump_file): Do not accept letter argument.
9         * tree-pass.h (dump_file_info): Remove letter argument.
10         * toplev.c (decode_d_option): Update -da handling.
11         * toplev.h (enable_rtl_dump_file): Update prototype.
12         * passes.c (register_one_dump_file): Do not accept IPA argument; work
13         it out based on pass type.
14         (register_dump_files_1): Likewise.
15         (init_optimization_passes): Update register_one_dump_file calls.
16         (execute_one_pass): Sanity check that IPA passes are called at IPA level
17         and RTL passes at RTL level.
18         (execute_pass_list): IPA pass can not be after or subpass of
19         GIMPLE/RTL pass.
20         (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
21         disallov RTL subpasses of IPA subpasses.
22
23 2008-04-05  Ben Elliston  <bje@au.ibm.com>
24
25         * tree-cfg.c (need_fake_edge_p): Return false for calls to
26         builtins that return exactly once and do not throw. Cache call to
27         call_expr_flags.
28
29 2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>
30
31         PR rtl-optimization/34916
32         PR middle-end/35519
33         * combine.c (create_log_links): Do not create duplicate LOG_LINKS
34         between instruction pairs.
35
36 2008-04-04  Naveen.H.S  <naveen.hs@kpitcummins.com>
37
38         * doc/invoke.texi: Document -mbitops for SH.
39         * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
40         * config/sh/predicates.md (bitwise_memory_operand): New predicate.
41         * config/sh/sh.c (print_operand): Add %t operand code.
42         * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
43         * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
44         (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
45         (extendqihi2): Likewise.
46         (movqi_i): Likewise.
47         (insv): Use bset, bclr and bst instructions for SH2A if possible.
48         (extv): Use bld instruction for SH2A if possible.
49         (extzv): Likewise.
50         (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
51         bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
52         bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
53         (bset.b, bclr.b): Define peepholes.
54         * config/sh/sh.opt (mbitops): New option.
55
56 2008-04-04  Janis Johnson  <janis187@us.ibm.com>
57
58         PR target/35620
59         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
60         and view convert expression.
61
62 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
63
64         PR target/35364
65         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
66
67 2008-04-04  H.J. Lu  <hongjiu.lu@intel.com>
68
69         * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.
70
71         * config/i386/cpuid.h (bit_AES): New.
72         (bit_PCLMUL): Likewise.
73
74         * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
75         (override_options): Handle PTA_AES and PTA_PCLMUL.  Enable
76         SSE2 if AES or PCLMUL is enabled.
77         (ix86_builtins): Add IX86_BUILTIN_AESENC128,
78         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
79         IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
80         IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
81         (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
82         (bdesc_2arg): Add IX86_BUILTIN_AESENC128,
83         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
84         IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
85         (bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
86         (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
87         __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
88         __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
89         __builtin_ia32_aeskeygenassist128 and
90         __builtin_ia32_pclmulqdq128.
91         * config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
92         (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
93         IX86_BUILTIN_PSRLDQI128.  Handle IX86_BUILTIN_AESKEYGENASSIST128.
94
95         * config/i386/i386.h (TARGET_AES): New.
96         (TARGET_PCLMUL): Likewise.
97         (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.
98
99         * config/i386/i386.md (UNSPEC_AESENC): New.
100         (UNSPEC_AESENCLAST): Likewise.
101         (UNSPEC_AESDEC): Likewise.
102         (UNSPEC_AESDECLAST): Likewise.
103         (UNSPEC_AESIMC): Likewise.
104         (UNSPEC_AESKEYGENASSIST): Likewise.
105         (UNSPEC_PCLMUL): Likewise.
106
107         * config/i386/i386.opt (maes): New.
108         (mpclmul): Likewise.
109
110         * config/i386/sse.md (aesenc): New pattern.
111         (aesenclast): Likewise.
112         (aesdec): Likewise.
113         (aesdeclast): Likewise.
114         (aesimc): Likewise.
115         (aeskeygenassist): Likewise.
116         (pclmulqdq): Likewise.
117
118         * config/i386/wmmintrin.h: New.
119
120         * doc/extend.texi: Document AES and PCLMUL built-in function.
121
122         * doc/invoke.texi: Document -maes and -mpclmul.
123
124 2008-04-04  Paolo Bonzini  <bonzini@gnu.org>
125
126         * function.c (free_after_parsing): Replace with
127         cxx_push_function_context from C++ front-end.
128         (allocate_struct_function): Don't call langhook.
129         * langhooks.h (struct lang_hooks_for_functions): Delete.
130         (struct lang_hooks): Add back missing_noreturn_ok_p here, delete
131         member "function".
132         * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
133         (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
134         LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
135         LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
136         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
137         remove LANG_HOOKS_FUNCTION_INITIALIZER.
138         * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.
139
140         * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
141         Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
142         
143 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
144
145         PR c/35440
146         * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
147         for all types.
148
149 2008-04-04  Richard Guenther  <rguenther@suse.de>
150
151         PR middle-end/35823
152         * fold-const.c (optimize_minmax_comparison): Use the correct
153         type for the constant in the simplified comparison.
154
155 2008-04-04  Zuxy Meng <zuxy.meng@gmail.com>
156
157         * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
158         Pass L2 size as "--param l2-cache-size" to the compiler.
159         (decode_l2_cache): New function to decode L2 cache parameters using
160         0x8000006 extended cpuid function.
161         (detect_caches_amd): Determine parameters of L2 cache using
162         decode_l2_caches function.
163         (decode_caches_intel): Decode L2 cache parameters.
164         (detect_caches_intel): Determine L2 cache parameters using
165         decode_caches_intel and decode_l2_caches functions.
166
167 2008-04-03  Bob Wilson  <bob.wilson@acm.org>
168
169         * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
170         secondary input reload for subword loads from the constant pool.
171
172 2008-04-03  Janis Johnson  <janis187@us.ibm.com>
173
174         PR target/35713
175         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
176           constants of the appropriate size for runtime calculations.
177
178         PR c/35712
179         * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
180           decimal-float literal constant zero.
181
182 2008-04-03  Jakub Jelinek  <jakub@redhat.com>
183
184         PR c/35738
185         * c-parser.c (c_parser_omp_atomic): Call
186         default_function_array_conversion on the RHS.
187
188         PR middle-end/35818
189         * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
190         call is_variable_sized if decl has incomplete type.
191
192 2008-04-03  H.J. Lu  <hongjiu.lu@intel.com>
193
194         * config/i386/i386-protos.h (ix86_aligned_p): Removed.
195
196 2008-04-03  Adam Nemet  <anemet@caviumnetworks.com>
197
198         * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
199         iterators.
200         (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and
201         leu.
202         (sgt<u>): Merge sgt and sgtu into new expander.
203         (sgt, sgtu): Remove expanders.
204         (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new
205         pattern.
206         (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
207         (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
208         *sgtu_<mode>_mips16 into new pattern.
209         (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
210         (sge<u>): Merge sge and sgeu into new expander.
211         (sge, sgeu): Remove expanders.
212         (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
213         new pattern.
214         (*sge_<mode>, second *sge_<mode>): Remove patterns.
215         (slt<u>): Merge slt and sltu into new expander.
216         (slt, sltu): Remove expanders.
217         (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new
218         pattern.
219         (*slt_<mode>, *sltu_<mode>): Remove patterns.
220         (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
221         *sltu_<mode>_mips16 into new pattern.
222         (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
223         (sle<u>): Merge sle and sleu into new expander.
224         (sle, sleu): Remove expanders.
225         (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new
226         pattern.
227         (*sle_<mode>, *sleu_<mode>): Remove patterns.
228         (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
229         *sleu_<mode>_mips16 into new pattern.
230         (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
231
232 2008-04-03  Jan Hubicka  <jh@suse.cz>
233
234         PR tree-optimization/35795
235         * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
236         * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
237         * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
238         * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
239         * score/score3.c (score3_output_mi_thunk): Likewise.
240         * score/score7.c (score7_output_mi_thunk): Likewise.
241         * mips/mips.c (mips_output_mi_thunk): Likewise.
242
243 2008-04-03  Richard Guenther  <rguenther@suse.de>
244
245         * tree-vrp.c (extract_range_from_unary_expr): Handle all
246         conversions.  Simplify code.
247
248 2008-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
249
250         * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
251
252 2008-04-03  Tom Tromey  <tromey@redhat.com>
253             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
254
255         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
256         * config/bfin/t-bfin-linux (generated_files): Add
257         linux-sysroot-suffix.h.
258         * doc/install.texi (Prerequisites): Require make 3.80.
259         * doc/sourcebuild.texi (Front End Directory): Document new
260         variable.
261         * Makefile.in (generated_files): New variable.
262         (ALL_HOST_OBJS): New variable.
263         ($(ALL_HOST_OBJS)): New target.
264
265 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
266
267         * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
268         (remap_block): Call id->transform_lang_insert_block instead
269         of langhook.
270         (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
271         Set id.transform_lang_insert_block to NULL.
272         (clone_body): Move to cp/optimize.c
273         * tree-inline.h (struct copy_body_data): Change
274         transform_lang_insert_block to function pointer.
275         (copy_generic_body, copy_decl_no_change): Export.
276         * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
277         * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
278         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
279
280         * c-tree.h (insert_block): Kill.
281         * c-decl.c (insert_block): Kill.
282
283 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
284
285         * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
286         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
287         * c-tree.h (c_push_function_context, c_pop_function_context): Remove
288         argument.
289         * c-decl.c (c_push_function_context, c_pop_function_context): Remove
290         argument, call {push,pop}_function_context from here.
291         * c-parser.c: Use c_{push,pop}_function_context.
292
293         * function.c (push_function_context_to): Move meat ...
294         (push_function_context): ... here.  Simplify.
295         * function.c (pop_function_context_from): Move meat ...
296         (pop_function_context): ... here.  Simplify.
297         * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
298         leave_nested).
299         * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
300         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
301         (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
302         * tree.h (push_function_context_to, pop_function_context_from): Remove.
303
304 2008-04-03  Ben Elliston  <bje@au.ibm.com>
305
306         * expmed.c (extract_force_align_mem_bit_field): Remove.
307
308 2008-04-03  Richard Guenther  <rguenther@suse.de>
309
310         PR middle-end/35800
311         * expr.h (try_casesi): Adjust prototype.
312         * expr.c (try_casesi): Take fallback label as extra parameter.
313         Use that for gen_casesi if default_label is NULL.
314         * stmt.c (expand_case): Pass fallback label to try_casesi,
315         make sure to fill gaps with a fallback label if default_label
316         is not present.
317
318 2008-04-03  Dominique d'Humieres <dominiq@lps.ens.fr>
319
320         PR target/35801
321         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
322
323 2008-04-03  Ben Elliston  <bje@au.ibm.com>
324
325         * expmed.c (extract_split_bit_field): Remove if (0) code.
326         * tree-ssa-structalias.c (do_sd_constraint): Likewise.
327         (do_ds_constraint): Likewise.
328
329 2008-04-02  Joseph Myers  <joseph@codesourcery.com>
330
331         * doc/cppopts.texi (-dU): Document.
332         * c-common.h (flag_dump_macros): Update comment.
333         * c-opts.c (handle_OPT_d): Handle -dU.
334         * c-ppoutput.c (macro_queue, define_queue, undef_queue,
335         dump_queued_macros, cb_used_define, cb_used_undef): New.
336         (init_pp_output): Handle -dU.
337         (cb_line_change): Call dump_queued_macros.
338         * toplev.c (decode_d_option): Accept -dU as preprocessor option.
339
340 2008-04-02  Anatoly Sokolov <aesok@post.ru>
341
342         * config/avr/predicates.md (io_address_operand): New predicate. 
343         * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
344         * config/avr/avr.c (avr_io_address_p): Remove function.
345         (out_movqi_r_mr): Use 'io_address_operand' predicate instead of 
346         'avr_io_address_p' function.
347         (out_movhi_r_mr): (Ditto.).
348         (out_movqi_mr_r): (Ditto.).
349         (out_movhi_mr_r): (Ditto.).
350         (avr_address_cost): (Ditto.).
351
352 2008-04-02  Uros Bizjak  <ubizjak@gmail.com>
353
354         * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
355         Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
356         in 32bit mode when XMM registers are available to avoid store
357         forwarding stalls.
358         (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
359         corresponding post-reload splitters.
360
361 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
362
363         * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
364         and __builtin_ia32_shufpd.  Provide __builtin_ia32_roundsd and
365         __builtin_ia32_roundss.
366         (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
367         __builtin_ia32_shufpd, __builtin_ia32_roundsd and
368         __builtin_ia32_roundss.
369         (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
370         IX86_BUILTIN_SHUFPD here.
371
372 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
373
374         * config/i386/i386.md (plogic): New.
375         (plogicprefix): Likewise.
376
377         * config/i386/mmx.md (mmx_<code><mode>3): New.
378         (mmx_and<mode>3): Removed.
379         (mmx_ior<mode>3): Likewise.
380         (mmx_xor<mode>3): Likewise.
381
382         * config/i386/sse.md (<code><mode>3): New.
383         (*<code><mode>3): Likewise.
384         (*<code><mode>3): Likewise.
385         (<code><mode>3): Likewise.
386         (*sse_<code><mode>3): Likewise.
387         (*sse2_<code><mode>3): Likewise.
388         (<code>tf3): Likewise.
389         (*<code>tf3): Likewise.
390         (and<mode>3): Likewise.
391         (*and<mode>3): Likewise.
392         (ior<mode>3): Removed.
393         (*ior<mode>3): Likewise.
394         (xor<mode>3): Likewise.
395         (*xor<mode>3): Likewise.
396         (*and<mode>3): Likewise.
397         (*ior<mode>3): Likewise.
398         (*xor<mode>3): Likewise.
399         (and<mode>3): Likewise.
400         (*sse_and<mode>3): Likewise.
401         (*sse2_and<mode>3): Likewise.
402         (andtf3): Likewise.
403         (*andtf3): Likewise.
404         (ior<mode>3): Likewise.
405         (*sse_ior<mode>3): Likewise.
406         (*sse2_ior<mode>3): Likewise.
407         (iortf3): Likewise.
408         (*iortf3): Likewise.
409         (xor<mode>3): Likewise.
410         (*sse_xor<mode>3): Likewise.
411         (*sse2_xor<mode>3): Likewise.
412         (xortf3): Likewise.
413         (*xortf3): Likewise.
414
415 2008-04-02  Richard Guenther  <rguenther@suse.de>
416
417         PR tree-optimization/14495
418         PR tree-optimization/34793
419         * tree-vrp.c (struct switch_update): New structure.
420         (to_remove_edges, to_update_switch_stmts): New VECs.
421         (simplify_switch_using_ranges): New function.  Remove not taken
422         case labels and edges.
423         (simplify_stmt_using_ranges): Call it.
424         (identify_jump_threads): Mark edges we have queued for removal
425         so we don't thread them.
426         (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
427         case label vector.
428         * tree-cfg.c (group_case_labels): Deal with missing default label.
429         (tree_verify_flow_info): Allow missing default label.
430         * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
431         (emit_case_nodes): Likewise.
432         (expand_case): Do not rely on the default label to be present.
433         * expr.c (try_casesi): Deal with NULL default_label.
434         (do_tablejump): Likewise.
435
436 2008-04-02  Richard Guenther  <rguenther@suse.de>
437
438         PR tree-optimization/14495
439         * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
440         SWITCH_EXPR here ...
441         (vrp_visit_switch_stmt): ... but here (new function).
442         (find_case_label_index): New helper function.
443         (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
444
445 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
446
447         * fwprop.c: Fix ISO-C99ism.
448
449 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
450
451         PR bootstrap/35752
452         * Makefile.in (objdir): Set it here.
453         * configure.ac: Not here.  Find dynamic linker characteristics.
454         * exec-tool.in: Use them.
455         * aclocal.m4: Regenerate.
456         * configure: Regenerate.
457
458 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
459
460         * expr.c (expand_var): Delete it.
461         * expr.h (expand_var): Delete prototype.
462         * function.c (expand_function_start): Use expand_decl instead.
463         * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
464         langhook.
465
466 2008-04-02  Andy Hutchinson <hutchinsonamdy@aim.com>
467
468         PR rtl-optimization/35542
469         * fwprop.c (forward_propagate_and_simplify): Replace
470         loc_reg_mentioned_in_p with reg_mentioned_p.
471
472 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
473
474         PR rtl-optimization/35281
475         * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
476         (propagate_rtx_1): Handle PR_HANDLE_MEM.
477         (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
478         (varying_mem_p): Move above propagate_rtx.
479         (all_uses_available_at): Do not check MEMs.
480
481 2008-04-02  Rafael Espindola  <espindola@google.com>
482
483         * tree-vrp.c (extract_code_and_val_from_cond): Remove.
484         (register_edge_assert_for_2): Split the cond argument.
485         (register_edge_assert_for_1): Adjust for the change in
486         register_edge_assert_for_2.
487         (register_edge_assert_for): Split the cond argument.
488         (find_switch_asserts): Adjust for the change in
489         register_edge_assert_for.
490
491 2008-04-02  Kai Tietz  <kai.tietz@onevision.com>
492
493         * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
494         * gcc/config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
495         offsets for 64-bit mingw.
496         * gcc/config/i386/i386.c (ix86_pass_by_reference): Correct calling
497         abi for x86_64-pc-mingw.
498
499 2008-04-02  Richard Guenther  <rguenther@suse.de>
500
501         * tree-vrp.c (extract_range_from_assert): Make sure to not
502         produce range min/max with TREE_OVERFOW set.
503         If merging a anti-range and a range keep the anti-range if
504         the range covers all values of the type.
505         (register_edge_assert_for_2): Only allow sign-changing
506         conversions in detecting canonical range checks.  Also
507         register an assert for the unsigned name if useful.
508
509         PR tree-optimization/35787
510         * tree-vrp.c (vrp_val_max): New function.
511         (vrp_val_min): Likewise.
512         (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
513         (vrp_val_is_min): Likewise.
514         (supports_overflow_infinity): Use vrp_val_{min,max}.
515         (negative_overflow_infinity): Likewise.
516         (positive_overflow_infinity): Likewise.
517         (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
518         (is_positive_overflow_infinity): Likewise.
519         (is_overflow_infinity): Likewise.
520         (avoid_overflow_infinity): Use vrp_val_{min,max} and
521         vrp_val_is_{min,max}.
522         (set_and_canonicalize_value_range): Canonicalize anti-ranges
523         to ranges if possible.  Avoid empty ranges.
524
525 2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
526
527         PR middle-end/35705
528         * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
529         the expression is a function address.
530
531 2008-04-01  George Helffrich  <george@gcc.gnu.org>
532
533         PR fortran/PR35154, fortran/PR23057
534         * fortran/trans-common.c (create_common):  Add decl to function
535         chain to preserve identifier scope in debug output.
536
537         * dbxout.c: Emit .stabs debug info for Fortran COMMON block
538         variables as base symbol name + offset using N_BCOMM/N_ECOMM.
539         (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
540         (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
541         in common.
542         (dbxout_syms): Check for COMMON-based symbol and wrap in
543         N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
544         in bracket for efficiency.
545
546         * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
547         using DW_TAG_common_block + member offset.
548         (add_pubname_string): New function.
549         (dw_expand_expr): New function to find block name and offset for
550         COMMON var.
551         (common_check): New function to check whether symbol in Fortran COMMON.
552         (gen_variable_die): If COMMON, use DW_TAG_common_block.
553
554         * testsuite/gcc.dg/debug/pr35154.c:  New test to check that non-Fortran
555         use of common is unchanged.
556
557         * testsuite/lib/gfortran-dg.exp:  New harness to compile Fortran progs
558         with all combinations of debug options available on target.
559         * testsuite/gfortran.dg/debug/debug.exp:  Ditto.
560         * testsuite/gfortran.dg/debug/trivial.f:  Ditto.
561         * testsuite/gfortran.dg/debug/pr35154-stabs.f:  New test case for
562         .stabs functionality.
563         * testsuite/gfortran.dg/debug/pr35154-dwarf2.f:  New test case for
564         DWARF functionality.
565
566 2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>
567
568         PR c/35436
569         * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
570
571 2008-04-02  Ben Elliston  <bje@au.ibm.com>
572
573         * config/v850/v850.md (casesi): Remove if (0) code.
574         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
575         * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
576
577 2008-04-01  Uros Bizjak  <ubizjak@gmail.com>
578
579         * config/i386/i386.md (rex64suffix): New mode attribute.
580         (floathi<mode>2): Disable expander for SSE math.
581         (*floathi<mode>2_1): New insn insn_and_split pattern.
582         (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
583         corresponding post-reload splitters.
584         (*floathi<mode>2_i387): New macroized insn pattern.
585         (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
586         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
587         insn_and_split pattern.
588         (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
589         New macroized instruction patterns and corresponding post-reload
590         splitters.
591         (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
592         and corresponding post-reload splitters.
593         (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
594         New macroized instruction patterns.
595         (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
596         macroized instruction patterns and corresponding post-reload splitters.
597         (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
598         corresponding post-reload splitters.
599         (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
600         New macroized instruction patterns.
601         (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
602         corresponding post-reload splitters.
603         (*floatsi<mode>2_i387): New macroized instruction patterns.
604
605 2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>
606
607         * config/i386/i386.md (smaxmin): New.
608         (umaxmin): Likewise.
609         (maxminiprefix): Likewise.
610         (maxminfprefix): Likewise.
611         (<code><mode>3): Likewise.
612         (smin<mode>3): Removed.
613         (smax<mode>3): Likewise.
614
615         * config/i386/mmx.md (mmx_<code>v2sf3): New.
616         (mmx_<code>v4hi3): Likewise.
617         (mmx_<code>v8qi3): Likewise.
618         (mmx_smaxv2sf3): Removed.
619         (mmx_sminv2sf3): Likewise.
620         (mmx_umaxv8qi3): Likewise.
621         (mmx_smaxv4hi3): Likewise.
622         (mmx_uminv8qi3): Likewise.
623         (mmx_sminv4hi3): Likewise.
624
625         * config/i386/sse.md (<addsub><mode>3): New.
626         (*<addsub><mode>3): Likewise.
627         (<sse>_vm<addsub><mode>3): Likewise.
628         (<maxmin><mode>3): Likewise.
629         (*<maxmin><mode>3_finite): Likewise.
630         (*<maxmin><mode>3): Likewise.
631         (<sse>_vm<maxmin><mode>3): Likewise.
632         (sse3_h<addsub>v4sf3): Likewise.
633         (sse3_h<addsub>v2df3): Likewise.
634         (<maxmin>v16qi3): Likewise.
635         (*<maxmin>v16qi3): Likewise.
636         (<maxmin>v8hi3): Likewise.
637         (*<maxmin>v8hi3): Likewise.
638         (*sse4_1_<maxmin><mode>3): Likewise.
639         (*sse4_1_<maxmin><mode>3): Likewise.
640         (add<mode>3): Removed.
641         (*add<mode>3): Likewise.
642         (<sse>_vmadd<mode>3): Likewise.
643         (sub<mode>3): Likewise.
644         (*sub<mode>3): Likewise.
645         (<sse>_vmsub<mode>3): Likewise.
646         (smin<mode>3): Likewise.
647         (*smin<mode>3_finite): Likewise.
648         (*smin<mode>3): Likewise.
649         (<sse>_vmsmin<mode>3): Likewise.
650         (smax<mode>3): Likewise.
651         (*smax<mode>3_finite): Likewise.
652         (*smax<mode>3): Likewise.
653         (<sse>_vmsmax<mode>3): Likewise.
654         (sse3_haddv4sf3): Likewise.
655         (sse3_haddv2df3): Likewise.
656         (sse3_hsubv4sf3): Likewise.
657         (sse3_hsubv2df3): Likewise.
658         (umaxv16qi3): Likewise.
659         (*umaxv16qi3): Likewise.
660         (smaxv8hi3): Likewise.
661         (*smaxv8hi3): Likewise.
662         (*sse4_1_smax<mode>3): Likewise.
663         (*sse4_1_umax<mode>3): Likewise.
664         (uminv16qi3): Likewise.
665         (*uminv16qi3): Likewise.
666         (sminv8hi3): Likewise.
667         (*sminv8hi3): Likewise.
668         (*sse4_1_smin<mode>3): Likewise.
669         (*sse4_1_umin<mode>3): Likewise.
670
671 2008-04-01  Rafael Espindola  <espindola@google.com>
672
673         * tree-cfg.c (verify_expr): remove in_phi.
674         (verify_stmt): Don't call walk_tree with verify_expr. Use
675         is_gimple_min_invariant instead of is_gimple_val.
676
677 2008-04-01  Joseph Myers  <joseph@codesourcery.com>
678
679         * doc/include/gpl_v3.texi: Update for manpage generation.
680         * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
681         gpl.texi.
682         * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
683         * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
684         gpl_v3.texi instead of gpl.texi.
685         (gpl.pod): New.
686
687 2008-04-01  Jakub Jelinek  <jakub@redhat.com>
688
689         PR pch/13675
690         * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
691
692 2008-04-01  Rafael Espindola  <espindola@google.com>
693
694         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
695         (extract_code_and_val_from_cond): Use
696         extract_code_and_val_from_cond_with_ops.
697
698 2008-04-01  Jan Hubicka  <jh@suse.cz>
699
700         * function.c (free_after_compilation): Free epilogue_delay_list.
701         (prepare_function_start): Assert that previous compilation was freed.
702
703 2008-04-01  Jan Hubicka  <jh@suse.cz>
704             Jim Wilson  <wilson@tuliptree.org>
705             Andreas Tobler <andreast@gcc.gnu.org>
706
707         PR middle-end/35781
708         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
709         rtl.emit instead cfun->emit.
710         * sparc/sparc.h (INIT_EXPANDERS): Likewise.
711         * ia64/ia64.h (INIT_EXPANDERS): Likewise.
712
713 2008-04-01  Ben Elliston  <bje@au.ibm.com>
714
715         * doc/c-tree.texi (Function Basics): Fix grammatical error.
716
717 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
718
719         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
720         New options
721         (fprofile-use): Add var flag_profile_use
722         * coverage.c (coverage_begin_output): Do not open a gcno file for
723         output only if -ftest-coverage is set.
724         Do not add getpwd() to gcda file path.
725         (build_gcov_info): Check the new flag
726         flag_profile_datafile_relative_path.
727         (coverage_init): Use profile_data_prefix.
728         Read profile counter only if flag_profile_use is set.
729         * opts.c (common_handle_option): New option fprofile-use=,
730         fprofile-dir=, fprofile-generate=.
731         * toplev.c (profile_data_prefix): New variable definition.
732         * toplev.h (profile_data_prefix): New declaration.
733         * doc/invoke.tex (Option Summary, Optimization Options):
734         Add new options.
735
736 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
737
738         * varasm.c (output_constant_pool_1): In LABEL_REF check,
739         use tmp consistently.
740
741         PR target/35695
742         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
743         * config/ia64/ia64.c (rtx_needs_barrier): Handle
744         UNSPEC_FR_RECIP_APPROX_RES.
745         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
746
747 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
748
749         PR c/35750
750         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
751
752 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
753
754         PR middle-end/30186
755         * fold-const.c (fold_indirect_ref_1): Support accessing non first
756         element of the vector via a pointer.
757
758 2008-03-31  Ian Lance Taylor  <iant@google.com>
759
760         * tlink.c (scan_linker_output): Look for symbol name in single quotes.
761
762 2008-03-31  Jan Hubicka  <jh@suse.cz>
763
764         * builtins.c (expand_builtin_setjmp_receiver): Update call of
765         get_arg_pointer_save_area.
766         * expr.c (init_expr): Just clear out rtl.expr.
767         * function.c (free_after_compilation): Clear out whole RTL structure.
768         (get_func_frame_size): Merge into ...
769         (get_frame_size): ... this one.
770         (assign_stack_local_1): Merge into ...
771         (assign_stack_local): ... this one.
772         (expand_function_end): Update call of get_arg_pointer_save_area.
773         (get_art_pointer_save_area): Remove cfun argument.
774         * function.h (emit_status): regno_pointer_align does not need length
775         attribute. Move x_regno_reg_rtx to ...
776         (regno_reg_rtx): ... new global array.
777         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
778         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
779         apply_args_value, forced_labels, stack_pointer_delta):
780         Update accestors.
781         (struct varasm_status): Move here from varasm.c
782         (struct rtl_data): New. Move here some fields from struct function.
783         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
784         frame_offset, stack_check_probe_note, arg_pointer_save_area,
785         used_temp_slots avail_temp_slots, temp_slot_level,
786         nonlocal_goto_handler_labels): Update accesstors.
787         (rtl): New global variable.
788         (struct function): Move some fileds to rtl_data.
789         (get_arg_pointer_save_area): Update prototype.
790         * emit-rtl.c (rtl): Declare.
791         (regno_reg_rtx): Declare.
792         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
793         Update.
794         (gen_reg_rtx): Update.
795         (init_virtual_regs): Do not tate emit_status argument.
796         (init_emit): Do not allocate emit.
797         * varasm.c (varasm_statuc): Move to function.h.
798         (n_deferred_constatns): Update accestor.
799         (init_varasm_status): Do not allocate varasm_status.
800         (force_const_mem, get_pool_size, output_constant_pool): Update.
801         * stmt.c (force_label_rtx): Do not use x_ prefixes.
802         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
803
804 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
805
806         PR rtl-optimization/35729
807         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
808         references.
809
810 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
811
812         PR target/32000
813         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
814         load/store if memory is unaligned.
815         (*movti_rex64): Likewise.
816
817         * config/i386/predicates.md (misaligned_operand): New.
818
819 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
820
821         PR tree-opt/35431
822         * tree-ssa-phiopt.c (conditional_replacement): Return early for
823         complex types.
824
825 2008-03-31  Jan Beulich  <jbeulich@novell.com>
826
827         * config/ia64/constraints.md: Add 'j' constraint.
828         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
829         (movdi_internal): Likewise.
830
831 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
832
833         PR c/35748
834         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
835
836 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
837
838         PR target/35757
839         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
840         proper error message for the third argument on blendpd and
841         blendps.
842
843         * config/i386/sse.md (blendbits): New.
844         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
845
846 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
847
848         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
849
850 2008-03-30  Richard Guenther  <rguenther@suse.de>
851
852         PR middle-end/31023
853         * fold-const.c (fold_sign_changed_comparison): Do leave
854         conversions to base-types alone.
855
856 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
857
858         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
859         the link register if one altivec register is be saved.
860
861 2008-03-30  Ben Elliston  <bje@au.ibm.com>
862
863         * final.c (final_scan_insn): Remove if (0) code.
864
865 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
866
867         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
868
869 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
870
871         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
872         of V4SFmode to ix86_binary_operator_ok.
873
874 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
875
876         * config/i386/i386.c (override_options): Initialize
877         ix86_veclib_handler to ix86_veclibabi_svml when
878         -mveclibabi=svml is used.
879         (ix86_veclibabi_svml): New function for SVML ABI style
880         vectorization support.
881         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
882
883 2008-03-28  Rafael Espindola  <espindola@google.com>
884
885         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
886         (tree_binary_nonnegative_warnv_p): Make it public.
887         (tree_single_nonnegative_warnv_p): Make it public.
888         (tree_invalid_nonnegative_warnv_p): Make it public.
889         (tree_unary_nonzero_warnv_p): Make it public.
890         (tree_binary_nonzero_warnv_p): Make it public
891         (tree_single_nonzero_warnv_p): Make it public.
892         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
893         (extract_range_from_binary_expr): Split the expr argument.
894         (extract_range_from_unary_expr): Split the expr argument.
895         (extract_range_from_comparison): Split the expr argument.
896         (extract_range_from_expr): Use the new aux functions.
897         (vrp_evaluate_conditional_warnv): Use
898         vrp_evaluate_conditional_warnv_with_ops.
899         * tree.h (tree_unary_nonzero_warnv_p): Declare.
900         (tree_binary_nonzero_warnv_p): Declare.
901         (tree_single_nonzero_warnv_p): Declare.
902         (tree_expr_nonzero_warnv_p): Declare.
903         (tree_unary_nonnegative_warnv_p): Declare.
904         (tree_binary_nonnegative_warnv_p): Declare.
905         (tree_single_nonnegative_warnv_p): Declare.
906         (tree_invalid_nonnegative_warnv_p): Declare.
907
908 2008-03-28  Richard Guenther  <rguenther@suse.de>
909
910         PR tree-optimization/30317
911         PR tree-optimization/30911
912         PR tree-optimization/34793
913         * tree-vrp.c (set_and_canonicalize_value_range): New function.
914         (struct assert_locus_d): New member EXPR.
915         (register_new_assert_for): Add EXPR parameter to support
916         ASSERT_EXPR <name, expr OP limit>.
917         (register_edge_assert_for_1): Adjust callers.
918         (find_assert_locations): Likewise.
919         (process_assert_insertions_for): Build condition from expression.
920         (extract_range_from_assert): Handle ASSERT_EXPRs
921         of the form ASSERT_EXPR <name, expr OP limit>.
922         (register_edge_assert_for_2): New helper registering
923         asserts for comparisons.  Recognize range tests of the form
924         (unsigned)i - CST1 OP CST2.
925         (register_edge_assert_for_1): Use it.
926         (register_edge_assert_for): Likewise.
927         (needs_overflow_infinity): Integer sub-types
928         do not need overflow infinities.
929         (vrp_val_is_max): The extreme values of integer sub-types
930         are those of the base type.
931         (vrp_val_is_min): Likewise.
932         * tree.def (ASSERT_EXPR): Document extra allowed conditional
933         expressions.
934
935 2008-03-28  Nick Clifton  <nickc@redhat.com>
936
937         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
938         Return GENERAL_REGS for stack adjustment reloads.
939
940 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
941
942         PR target/31334
943         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
944         const_vector when all the vectors are constant.
945
946 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
947
948         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
949         comparisons.
950         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
951         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
952         (scc_sf): New.
953         (s<code>_sf): Use new scc_sf attribute for opcode names.
954
955 2008-03-27  Tom Tromey  <tromey@redhat.com>
956
957         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
958         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
959         config/spu/t-spu-elf, config/i386/t-interix,
960         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
961         config/i386/x-darwin, config/i386/x-mingw32,
962         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
963         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
964         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
965         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
966         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
967         config/rs6000/x-darwin, config/rs6000/t-rs6000,
968         config/score/t-score-elf, config/arm/t-strongarm-pe,
969         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
970         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
971         Revert automatic dependency patch.
972
973 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
974
975         PR target/35657
976         * config/i386/i386.c (ix86_function_arg_boundary): Align
977         decimal floating point to its natural boundary.
978
979 2008-03-27  Richard Guenther  <rguenther@suse.de>
980
981         PR middle-end/35716
982         * fold-const.c (fold_comparison): Restrict distinct decl
983         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
984         solely rely on operand_equal_p.
985
986 2008-03-27  Richard Guenther  <rguenther@suse.de>
987
988         PR c/32511
989         * c-common.c (handle_weak_attribute): Reject combination of
990         weak and inline.
991
992 2008-03-27  Richard Guenther  <rguenther@suse.de>
993
994         PR tree-optimization/32810
995         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
996         conversions from DECL_INITIAL.
997         (fold_const_aggregate_ref): Likewise from constructor elements.
998
999 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
1000
1001         * tree-affine.h (aff_combination_expand): Declare.
1002         (get_inner_reference_aff): Likewise.
1003         * tree-affine.c (aff_combination_expand): Split out from
1004         tree_to_aff_combination_expand.
1005         (get_inner_reference_aff): New function.
1006         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
1007         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
1008         (struct lim_aux_data): sm_done field removed.
1009         (mem_ref_loc_p, mem_ref_locs_p): New types.
1010         (struct mem_ref): Added id, stored, accesses_in_loop,
1011         indep_loop, dep_loop, indep_ref, dep_ref fields.
1012         Removed is_stored, locs and next fields.
1013         (memory_accesses): New variable.
1014         (movement_possibility): Do not allow moving statements
1015         that store to memory.
1016         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
1017         New functions.
1018         (determine_max_movement): For statements with memory references,
1019         find the outermost loop in that the reference is independent.
1020         (move_computations_stmt): Mark the virtual operands for renaming.
1021         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
1022         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
1023         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
1024         add_vop_ref_mapping, create_vop_ref_mapping_loop,
1025         create_vop_ref_mapping, analyze_memory_references,
1026         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
1027         get_all_locs_in_loop, ref_always_accessed_p,
1028         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
1029         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
1030         store_motion_loop, store_motion): New functions.
1031         (struct vop_to_refs_elt): New type.
1032         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
1033         memref_hash, memref_eq, hoist_memory_references): Rewritten.
1034         (schedule_sm): Replaced by...
1035         (execute_sm): ... this.
1036         (determine_lsm_ref, hoist_memory_references,
1037         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
1038         find_more_ref_vops, free_mem_ref, free_mem_refs,
1039         determine_lsm_loop, determine_lsm): Removed.
1040         (tree_ssa_lim_finalize): Free data structures used by store motion.
1041         (tree_ssa_lim): Call analyze_memory_references.  Use
1042         store_motion instead of determine_lsm.
1043
1044 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
1045
1046         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
1047         rename tmake_file to m68hc11/t-m68hc11.
1048         (mcore): Set inhibit_libc to true.
1049         * config.host (alpha*-dec-*vms*): Set extra_programs.
1050         (interix3*): Don't use host_xmake_file.
1051         * configure.ac: Let config.gcc override inhibit_libc.
1052         * configure: Regenerate.
1053
1054         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
1055         * config/t-openbsd-thread: Remove commented out lines.
1056         
1057         * config/x-interix: Remove.
1058
1059         * config/m68hc11/t-m68hc11-gas: Rename to...
1060         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
1061
1062         * config/mcore/t-mcore: Remove T_CFLAGS.
1063         * config/mcore/t-mcore-pe: Likewise.
1064
1065 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
1066
1067         * configure.ac: Replace custom __GNU_SOURCE test with
1068         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
1069         * aclocal.m4: Regenerate.
1070         * configure: Regenerate.
1071         * config.in: Regenerate.
1072
1073 2008-03-27  Richard Guenther  <rguenther@suse.de>
1074
1075         * fold-const.c (target.h): Include.
1076         (fold_comparison): Fold comparison of addresses of decls
1077         that bind locally or of constants.  Consolidate address folding code.
1078         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
1079         results from fold_binary_to_constant.
1080         (compare_values_warnv): Likewise.
1081
1082 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
1083
1084         PR middle-end/35429
1085         * fold-const.c (fold_truthop): Check for integeral types when folding
1086         a == 0 && b == 0 and a != 0 || b != 0 .
1087
1088 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
1089
1090         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
1091
1092 2008-03-26  Andreas Schwab  <schwab@suse.de>
1093
1094         * doc/invoke.texi: Fix use of @item vs. @itemx.
1095
1096 2008-03-26  Tom Tromey  <tromey@redhat.com>
1097
1098         * Makefile.in (build/gensupport.o, build/print-rtl.o,
1099         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
1100         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
1101         build/gencodes.o, build/genconditions.o, build/genconfig.o,
1102         build/genconstants.o, build/genemit.o, build/genextract.o,
1103         build/genflags.o, build/genmddeps.o, build/genopinit.o,
1104         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
1105         options.h.
1106
1107 2008-03-26  Richard Guenther  <rguenther@suse.de>
1108
1109         Revert
1110         2008-03-26  Richard Guenther  <rguenther@suse.de>
1111
1112         * fold-const.c (target.h): Include.
1113         (fold_comparison): Fold comparison of addresses of two decls
1114         that bind locally.  Consolidate address folding code.
1115
1116 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1117
1118         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
1119         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
1120         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
1121         dconstsqrt2, dconstthird, dconste and/or dconst10.
1122         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
1123         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
1124         dconstsqrt2, dconste): Delete.
1125         (init_emit_once): Likewise.  Simplify initializing dconstm1.
1126         Constify variable.
1127         * real.c (get_real_const): New.
1128         * real.h (dconst3, dconst10, dconstm2, dconstthird,
1129         dconstsqrt2, dconste): Delete.
1130         (real_value_const, get_real_const): New.
1131
1132 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
1133
1134         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
1135
1136         * config/i386/i386.c (ix86_function_arg_boundary): Check
1137         BIGGEST_ALIGNMENT instead of 128.
1138         (setup_incoming_varargs_64): Likewise.
1139
1140 2008-03-26  Tom Tromey  <tromey@redhat.com>
1141
1142         * Makefile.in (DEPFILES): Add missing '/'.
1143
1144 2008-03-26  Richard Guenther  <rguenther@suse.de>
1145
1146         * fold-const.c (target.h): Include.
1147         (fold_comparison): Fold comparison of addresses of two decls
1148         that bind locally.  Consolidate address folding code.
1149
1150 2008-03-26  Nick Clifton  <nickc@redhat.com>
1151
1152         PR target/31232
1153         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
1154         not allow INT+INT as a legitimate addressing mode.
1155
1156 2008-03-26  Richard Guenther  <rguenther@suse.de>
1157
1158         * tree-flow.h (widen_bitfield): Remove declaration.
1159         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
1160         (widen_bitfield): Remove function.
1161         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
1162         code.
1163
1164 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1165
1166         PR target/31558
1167         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
1168         error_mark_node's.
1169
1170 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
1171
1172         PR rtl-optimization/35232
1173         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
1174         (forget_old_reloads_1, forget_marked_reloads): Don't clear
1175         reg_reloaded_call_part_clobbered here.
1176         (reload_regs_reach_end_p): New function.
1177         (reload_reg_rtx_for_input): New variable.
1178         (reload_reg_rtx_for_output): Likewise.
1179         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
1180         when reassigning a pseudo register.  Load reloadreg from 
1181         reload_reg_rtx_for_input, moving the mode and register
1182         calculation to...
1183         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
1184         instead of the original when deciding whether an input reload
1185         would be a no-op or whether an output reload can be deleted.
1186         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
1187         when setting up new_spill_reg_store.  Load it from
1188         reload_reg_rtx_for_output, moving the mode and register
1189         calculation to...
1190         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
1191         instead of the original when deciding whether an output reload
1192         would be a no-op.  Do the same when modifying insn notes.
1193         Use rtx_equal_p instead of == to compare the registers.
1194         (inherit_piecemeal_p): Take a mode and two register numbers
1195         as argument.
1196         (emit_reload_insns): Clear new_spill_reg_store for every hard
1197         register in the reload register.  Remove spill registers
1198         from reg_reloaded_valid before considering whether to record
1199         inheritance information for them.  Use reload_reg_rtx_for_output
1200         instead of reg_rtx when recording output reloads.  Use
1201         reload_reg_rtx_for_input instead of reg_rtx when recording
1202         input reloads.  Set or clear reg_reloaded_call_part_clobbered
1203         at the same time as setting reg_reloaded_valid.
1204         (delete_output_reload): Add a new_reload_reg parameter and use it
1205         instead of rld[j].reg_rtx.
1206         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
1207         calls accordingly.
1208
1209 2008-03-25  Tom Tromey  <tromey@redhat.com>
1210
1211         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
1212         (build/genattr.o): Likewise.
1213         (build/genattrtab.o): Likewise.
1214         (build/gencodes.o): Likewise.
1215         (build/genconfig.o): Likewise.
1216         (build/genconstants.o): Likewise.
1217         (build/genemit.o): Likewise.
1218         (build/genextract.o): Likewise.
1219         (build/genflags.o): Likewise.
1220
1221 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
1222         
1223         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
1224         instead of size_int for integer types.
1225         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
1226         to match type of MINUS_EXPR.
1227         
1228 2008-03-25  Tom Tromey  <tromey@redhat.com>
1229
1230         * configure: Rebuilt.
1231         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
1232         Makefile.
1233
1234 2008-03-25  Tom Tromey  <tromey@redhat.com>
1235
1236         * config/x-solaris (host-solaris.o): Update.
1237         * config/x-linux (host-linux.o): Update.
1238         * config/x-hpux (host-hpux.o): Update.
1239         * config/x-darwin (host-darwin.o): Update.
1240         * config/v850/t-v850e (v850-c.o): Update.
1241         * config/v850/t-v850 (v850-c.o): Update.
1242         * config/t-vxworks (vxworks.o): Update.
1243         * config/t-sol2 (sol2-c.o, sol2.o): Update.
1244         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
1245         * config/spu/t-spu-elf (spu-c.o): Update.
1246         (spu.o): Remove.
1247         * config/sh/t-symbian (sh-c.o): Update.
1248         (symbian.o): Update.
1249         * config/sh/t-sh (sh-c.o): Update.
1250         * config/score/t-score-elf (score7.o, score3.o): Update.
1251         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
1252         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
1253         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
1254         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
1255         (rs6000.o): Remove.
1256         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
1257         * config/m32c/t-m32c (m32c-pragma.o): Update.
1258         * config/ia64/t-ia64 (ia64-c.o): Update.
1259         * config/i386/x-mingw32 (host-mingw32.o): Update.
1260         * config/i386/x-i386 (driver-i386.o): Update.
1261         * config/i386/x-darwin (host-i386-darwin.o): Update.
1262         * config/i386/x-cygwin (host-cygwin.o): Update.
1263         * config/i386/t-nwld (nwld.o): Update.
1264         * config/i386/t-netware (netware.o): Update.
1265         * config/i386/t-interix (winnt.o): Update.
1266         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
1267         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
1268         msformat-c.o): Update.
1269         * config/bfin/t-bfin-linux (generated_files): Add
1270         linux-sysroot-suffix.h.
1271         * config/arm/t-wince-pe (pe.o): Update.
1272         * config/arm/t-strongarm-pe (pe.o): Update.
1273         * config/arm/t-pe (pe.o): Update.
1274         * config/arm/t-arm (arm-c.o): Update.
1275         * doc/install.texi (Prerequisites): Require make 3.80.
1276         * Makefile.in: Remove .o targets.
1277         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
1278         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
1279         (simple_generated_h, simple_generated_c): Move earlier.
1280         (generated_files): New variable.
1281         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
1282         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
1283         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
1284         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
1285         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
1286         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
1287         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
1288         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
1289         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
1290         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
1291         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
1292         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
1293         (.c.o): Remove.
1294         (COMPILE.base, COMPILE): New variables.
1295         (%.o): New pattern rule.
1296         (ALL_HOST_OBJS): New variable.
1297         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
1298         (dummy-checksum.o, cc1-checksum.o): Remove.
1299         (DRIVER_SHLIB): New variable.
1300         (DRIVER_DEFINES): Use it.
1301         (gencondmd.c): Move out of build/.
1302         (s-conditions): Update.
1303         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
1304         (ALL_BUILD_OBJS): Likewise.
1305         (build/%.o): Use BUILDCOMPILE.
1306         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
1307         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
1308         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
1309         build/gencheck.o, build/gencodes.o, build/genconditions.o,
1310         build/genconfig.o, build/genconstants.o, build/genemit.o,
1311         build/genextract.o, build/genflags.o, build/genmddeps.o,
1312         build/genopinit.o, build/genoutput.o, build/genpeep.o,
1313         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
1314         build/gen-protos.o, build/scan.o, build/fix-header.o,
1315         build/scan-decls.o): Simplify.
1316         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
1317         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
1318         prefix.o, toplev.o): Reduce to variable setting.
1319         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
1320         ($(out_object_file), gcc-options.o): New targets.
1321         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
1322         * configure: Rebuilt.
1323         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
1324         * doc/sourcebuild.texi (Front End Directory): Document new variable.
1325
1326 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
1327
1328         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
1329         complain when we hit an error, return ERROR_MARK_NODE.
1330
1331 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
1332
1333         * config/sh/constraints.md (Pso, Psz): New constraints.
1334         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
1335         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
1336
1337 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
1338
1339         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
1340         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
1341
1342 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
1343
1344         * config/sh/sh.md (prefetch): Add condition for SH2A target.
1345         (prefetch_sh2a): New.   
1346
1347 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
1348             Naveen.H.S  <naveen.hs@kpitcummins.com>
1349
1350         * config/sh/constraints.md (I28): New constraint.
1351         * config/sh/sh.c (broken_move): Add support for movi20s.
1352         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
1353
1354 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
1355             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
1356             Naveen.H.S  <naveen.hs@kpitcummins.com>
1357
1358         * config/sh/sh.c (SH_ATTRIBUTES): Define.
1359         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
1360         (print_operand): Handle resbank in %@ operand code.
1361         (sh_encode_section_info): New.
1362         (push_regs): Add conditions for resbank.
1363         (sh_expand_epilogue): Likewise.
1364         (sh_insert_attributes): Likewise.
1365         (sh_attribute_table): Likewise.
1366         (sh_handle_resbank_handler_attribute): New.
1367         (sh2a_handle_function_vector_handler_attribute): New.
1368         (sh2a_is_function_vector_call): New.
1369         (sh2a_get_function_vector_number): New.
1370         (sh2a_function_vector_p): New.
1371         (sh_cfun_resbank_handler_p): New.
1372         * config/sh/sh.md (calli): Emit jsr/n if possible.
1373         (calli_tbr_rel): New.
1374         (calli_pcrel): Emit jsr/n if possible.
1375         (return_i): Emit rts/n if possible.
1376         (call_valuei_tbr_rel): New.
1377         (call_valuei_pcrel): Add condition for SH2A target.
1378         (call_value): Likewise.
1379         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
1380         (sh2a_get_function_vector_number): Likewise.
1381         (sh2a_is_function_vector_call): Likewise.
1382         * doc/extend.texi: Document TBR relative addressing of SH2A.
1383         (resbank): Add description for SH2A.
1384
1385 2008-03-24  Richard Guenther  <rguenther@suse.de>
1386
1387         PR c/22371
1388         * gimplify.c (gimplify_modify_expr): For frontend type-correct
1389         pointer assignments change conversions according to middle-end rules.
1390         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
1391         * configure.ac: Include type checking in yes.
1392         * configure: Regenerate.
1393
1394 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1395
1396         * diagnostic.c (diagnostic_count_diagnostic): Delete.
1397         (diagnostic_report_diagnostic): Update. Handle ICEs here.
1398         
1399 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
1400
1401         * gthr-vxworks.h (UNUSED): Define.
1402
1403 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
1404
1405         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
1406
1407 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
1408
1409         * doc/extend.texi (Function Attributes): Add missing comma in the
1410         example of the "alloc_size" attribute.
1411         
1412 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
1413
1414         Revert:
1415         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
1416
1417         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1418         32bit host.
1419
1420         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
1421
1422         PR target/35496
1423         * stor-layout.c (update_alignment_for_field): Set minimum alignment
1424         of the underlying type of a MS bitfield layout to the natural
1425         alignment of the type.
1426
1427         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
1428
1429         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
1430         to their natural alignment to avoid store forwarding stalls.
1431
1432 2008-03-22  Richard Guenther  <rguenther@suse.de>
1433
1434         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
1435         For PHI nodes verify the address is invariant.
1436         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
1437         (get_symbol_constant_value): Use is_gimple_min_invariant.
1438         (maybe_fold_stmt_indirect): Likewise.
1439
1440 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
1441
1442         PR rtl-optimization/33927
1443         * Makefile.in (dse.o): Depend on $(TM_P_H).
1444         * expr.h (extract_low_bits): Declare.
1445         * expmed.c (extract_low_bits): New function.
1446         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
1447         * dse.c: Include tm_p.h.
1448         (find_shift_sequence): Remove the read_reg argument and return the
1449         read value.  Emit the instructions instead of returning them.
1450         Iterate on new_mode rather than calculating it each time.
1451         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
1452         source to NEW_MODE and extract_low_bits to convert the shifted
1453         value to READ_MODE.
1454         (replace_read): Allow the load and store to have different mode
1455         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
1456         or extraction instructions before trying the replacement.  Update
1457         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
1458
1459 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
1460
1461         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
1462         to their natural alignment to avoid store forwarding stalls.
1463
1464 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1465
1466         PR target/27946
1467         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
1468         encouraging but not allowing gprs for input;
1469         change the input constraint to !f#r.
1470         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
1471         gprs for output;
1472         change the output constraint to !f#r.
1473
1474 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
1475
1476         PR target/13958
1477         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
1478         corresponding post-reload splitters.
1479         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
1480         when x87 FP math is selected.
1481         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
1482         New function prototype.
1483         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
1484         unreachable function to ease macroization of insn patterns.
1485
1486 2008-03-21  Martin Jambor  <mjambor@suse.cz>
1487
1488         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
1489         reference dumps if ddr is NULL or dependence is unknown.
1490
1491 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1492
1493         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
1494         unsigned extension into account.
1495         (ATOMIC_COMPARE_AND_SWAP): Likewise.
1496         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
1497         Do computations on a scratch register.
1498
1499 2008-03-21  Richard Guenther  <rguenther@suse.de>
1500
1501         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1502         Use is_gimple_min_invariant instead of TREE_INVARIANT.
1503         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
1504         * tree-ssa-dom.c (record_equality): Likewise.
1505         * tree-inline.c (copy_body_r): Likewise.
1506         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
1507         TREE_INVARIANT.
1508
1509 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1510
1511         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
1512         as 'delete_unused' argument.
1513
1514 2008-03-20  Richard Guenther  <rguenther@suse.de>
1515
1516         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
1517         special casing of constant qualifiers.
1518         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
1519         care about them in general.
1520         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
1521         regardless of their type.
1522         (fold_stmt_r): Forcefully fold *& if we end up with that.
1523
1524 2008-03-20  Paul Brook  <paul@codesourcery.com>
1525
1526         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
1527         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
1528         linker flags.
1529         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
1530         definition.
1531         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
1532         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
1533
1534 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
1535
1536         * common.opt (Wmudflap): New option.
1537         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
1538         (mx_register_decls): Likewise.
1539         (mudflap_finish_file): Likewise.
1540         * doc/invoke.texi: Document -Wno-mudflap.
1541
1542 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
1543
1544         * c-format.c (replace_format_name_to_system_name): New.
1545         (cmp_attribs): New.
1546         (convert_format_name_to_system_name): New.
1547         (decode_format_attr): Add use of convert_format_name_to_system_name.
1548         (format_types_orig): Add gnu_ prefix to names.
1549         (check_format_info_main): Special treating of \0 escaped names for
1550         supporting multi-character format specifiers as I32, I64.
1551         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
1552         (gnu_target_overrides_format_attributes): New.
1553         * c-format.h: Add structure target_ovr_attr to hold
1554         system specific formatter names.
1555         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
1556         msformat-c.o file to c_target_objs and cxx_target_objs.
1557         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
1558         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
1559         (TARGET_N_FORMAT_TYPES): New.
1560         * config/i386/msformat-c.c: New.
1561         * config/i386/t-cygming: Add build rule for msformat-c.o.
1562         * doc/extend.texi: Add new format names gnu_* and ms_* and
1563         further details.
1564         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
1565
1566 2008-03-20  Ira Rosen  <irar@il.ibm.com>
1567
1568         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
1569         optimizations turned on under -O3.
1570         (ftree-vectorize): Add that the flag is turned on with -O3.
1571
1572 2008-03-20  Ben Elliston  <bje@au.ibm.com>
1573
1574         * regmove.c (try_auto_increment): Fix spelling error in comment.
1575         * final.c (final_scan_insn): Likewise.
1576
1577 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
1578
1579         PR target/14552
1580         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
1581         allocator preferences for "y" and "r" class registers.
1582         ("*mov<mode>_internal"): Ditto.
1583         ("*movv2sf_internal_rex64"): Ditto.
1584         ("*movv2sf_internal"): Ditto.
1585
1586 2008-03-19  Michael Matz  <matz@suse.de>
1587
1588         PR middle-end/35616
1589         * calls.c (expand_call): Check overlap of arguments with call
1590         address for sibcalls.
1591
1592 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
1593
1594         PR target/35496
1595         * stor-layout.c (update_alignment_for_field): Set minimum alignment
1596         of the underlying type of a MS bitfield layout to the natural
1597         alignment of the type.
1598
1599 2008-03-19  Jan Hubicka  <jh@suse.cz>
1600
1601         PR other/35094
1602         * toplev.c (decode_d_option): Handle all CPP flags.
1603         * tree-vrp.c: Update tree_pass descriptors.
1604         * regrename.c: Update tree_pass descriptors.
1605         * fwprop.c: Update tree_pass descriptors.
1606         * doc/invoke.texi: Remove documentation of dropped -d? flags.
1607         * tree-into-ssa.c: Update tree_pass descriptors.
1608         * tree-dump.c: Update tree_pass descriptors.
1609         * tree-complex.c: Update tree_pass descriptors.
1610         * tree-dump.h: Update tree_pass descriptors.
1611         * see.c: Update tree_pass descriptors.
1612         * cgraphbuild.c: Update tree_pass descriptors.
1613         * tracer.c: Update tree_pass descriptors.
1614         * tree-loop-distribution.c: Update tree_pass descriptors.
1615         * cgraph.c: Update tree_pass descriptors.
1616         * postreload-gcse.c: Update tree_pass descriptors.
1617         * postreload.c: Update tree_pass descriptors.
1618         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
1619         * tree-tailcall.c: Update tree_pass descriptors.
1620         * tree-pass.h (tree_opt_pass): Rename to ...
1621         (opt_pass) ... this one; add "type" field and remove letter field.
1622         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
1623         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
1624         all_lowering_passes): Update declaration.
1625         * ipa-cp.c: Update tree_pass descriptors.
1626         * final.c: Update tree_pass descriptors.
1627         * omp-low.c: Update tree_pass descriptors.
1628         * tree-ssa-dse.c: Update tree_pass descriptors.
1629         * ipa-reference.c: Update tree_pass descriptors.
1630         * tree-ssa-uncprop.c: Update tree_pass descriptors.
1631         * auto-inc-dec.c: Update tree_pass descriptors.
1632         * reorg.c: Update tree_pass descriptors.
1633         * cgraphunit.c: Update tree_pass descriptors.
1634         * tree-ssa-copyrename.c: Update tree_pass descriptors.
1635         * tree-ssa-ccp.c: Update tree_pass descriptors.
1636         * df-core.c: Update tree_pass descriptors.
1637         * mode-switching.c: Update tree_pass descriptors.
1638         * tree-nomudflap.c: Update tree_pass descriptors.
1639         * modulo-sched.c: Update tree_pass descriptors.
1640         * ipa-pure-const.c: Update tree_pass descriptors.
1641         * cse.c: Update tree_pass descriptors.
1642         * web.c: Update tree_pass descriptors.
1643         * tree-stdarg.c: Update tree_pass descriptors.
1644         * tree-ssa-math-opts.c: Update tree_pass descriptors.
1645         * tree-ssa-dom.c: Update tree_pass descriptors.
1646         * tree-nrv.c: Update tree_pass descriptors.
1647         * tree-ssa-alias.c: Update tree_pass descriptors.
1648         * loop-init.c: Update tree_pass descriptors.
1649         * gimple-low.c: Update tree_pass descriptors.
1650         * ipa-inline.c: Update tree_pass descriptors.
1651         * tree-ssa-sink.c: Update tree_pass descriptors.
1652         * global.c: Update tree_pass descriptors.
1653         * ifcvt.c: Update tree_pass descriptors.
1654         * jump.c: Update tree_pass descriptors.
1655         * predict.c: Update tree_pass descriptors.
1656         * tree-ssa-loop.c: Update tree_pass descriptors.
1657         * recog.c: Update tree_pass descriptors.
1658         * dse.c: Update tree_pass descriptors.
1659         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
1660         * tree-eh.c: Update tree_pass descriptors.
1661         * regmove.c: Update tree_pass descriptors.
1662         * local-alloc.c
1663         * function.c: Update tree_pass descriptors.
1664         * tree-vectorizer.c: Update tree_pass descriptors.
1665         * gcse.c: Update tree_pass descriptors.
1666         * ipa-type-escape.c: Update tree_pass descriptors.
1667         * tree-if-conv.c: Update tree_pass descriptors.
1668         * init-regs.c: Update tree_pass descriptors.
1669         * ipa.c: Update tree_pass descriptors.
1670         * tree-ssa-phiopt.c: Update tree_pass descriptors.
1671         * rtl-factoring.c: Update tree_pass descriptors.
1672         * lower-subreg.c: Update tree_pass descriptors.
1673         * bt-load.c: Update tree_pass descriptors.
1674         * tree-dfa.c: Update tree_pass descriptors.
1675         * except.c: Update tree_pass descriptors.
1676         * emit-rtl.c: Update tree_pass descriptors.
1677         * cfgexpand.c: Update tree_pass descriptors.
1678         * tree-cfgcleanup.c: Update tree_pass descriptors.
1679         * cfgcleanup.c: Update tree_pass descriptors.
1680         * tree-ssa-pre.c: Update tree_pass descriptors.
1681         * tree-sra.c: Update tree_pass descriptors.
1682         * tree-mudflap.c: Update tree_pass descriptors.
1683         * tree-ssa-copy.c: Update tree_pass descriptors.
1684         * cfglayout.c: Update tree_pass descriptors.
1685         * tree-ssa-forwprop.c: Update tree_pass descriptors.
1686         * tree-ssa-dce.c: Update tree_pass descriptors.
1687         * tree-ssa.c: Update tree_pass descriptors.
1688         * regclass.c: Update tree_pass descriptors.
1689         * integrate.c: Update tree_pass descriptors.
1690         * tree-optimize.c: Update tree_pass descriptors.
1691         * tree-ssa-phiprop.c: Update tree_pass descriptors.
1692         * tree-object-size.c: Update tree_pass descriptors.
1693         * combine.c: Update tree_pass descriptors.
1694         * tree-outof-ssa.c: Update tree_pass descriptors.
1695         * bb-reorder.c: Update tree_pass descriptors.
1696         * stack-ptr-mod.c: Update tree_pass descriptors.
1697         * var-tracking.c: Update tree_pass descriptors.
1698         * tree-profile.c: Update tree_pass descriptors.
1699         * tree-vect-generic.c: Update tree_pass descriptors.
1700         * reg-stack.c: Update tree_pass descriptors.
1701         * sched-rgn.c: Update tree_pass descriptors.
1702         * tree-ssa-structalias.c: Update tree_pass descriptors.
1703         * tree-cfg.c: Update tree_pass descriptors.
1704         * passes.c (current_pass): Update declaration.
1705         (finish_optimization_passes): Update.
1706         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
1707         (register_one_dump_file, register_dump_files_1, next_pass_1):
1708         Update arguments.
1709         (init_optimization_passes): Update handling of new types.
1710         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
1711         * ipa-struct-reorg.c: Update tree_pass descriptors.
1712         * tree-ssa-reassoc.c: Update tree_pass descriptors.
1713         * combine-stack-adj.c: Update tree_pass descriptors.
1714         * cfgrtl.c: Update tree_pass descriptors.
1715         * dce.c: Update tree_pass descriptors.
1716         * tree-ssanames.c: Update tree_pass descriptors.
1717
1718 2008-03-19  Richard Guenther  <rguenther@suse.de>
1719
1720         PR middle-end/35609
1721         * tree-ssa.c (walk_data): New structure.
1722         (warn_uninitialized_var): If not always_executed warn with "maybe"
1723         instead of "is".
1724         (execute_early_warn_uninitialized): Compute post-dominators.
1725         Initialize always_executed before processing each basic block.
1726
1727 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
1728
1729         PR target/35504
1730         * config/i386/i386.c (x86_this_parameter): Calculate correct location
1731         of "this" pointer when "regparm = N" or "fastcall" is in effect.
1732
1733 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1734
1735         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
1736
1737 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
1738
1739         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
1740         is true.
1741         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
1742         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
1743         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
1744         target after ignore has been set, and move there also the commputation
1745         of subtarget and original_target.
1746         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
1747         (LANG_HOOKS_INITIALIZER): Remove it.
1748         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
1749
1750 2008-03-18  Richard Guenther  <rguenther@suse.de>
1751
1752         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
1753         found an expression with constants, note that in the VN for the lhs.
1754         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
1755         fold them to constants if possible.  Run cleanup_cfg if done so.
1756         (execute_pre): Return todo.
1757         (do_pre): Likewise.
1758         (execute_fre): Likewise.
1759         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
1760         of constants.
1761         (get_prop_source_stmt): Look through pointer conversions.
1762
1763 2008-03-18  Jan Hubicka  <jh@suse.cz>
1764
1765         * tree-pretty-print.c: Include predict.h.
1766         (dump_generic_node): Dump predictor.
1767         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
1768         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
1769         * gimple-low.c (lower_stmt): Likewise.
1770         * expr.c (expand_expr_real): Likewise.
1771         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
1772         them.
1773         (build_predict_expr, build_predict_expr): New.
1774         * predict.h (predictor_name, build_predict_expr): Update.
1775         * c-typeck.c (c_finish_bc_stmt): Add prediction.
1776         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
1777         * predict.def (PRED_CONTINUE): Update hitrate.
1778         * tree.def (PREDICT_EXPR): Define.
1779         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
1780         do not handle BIND_EXPR.
1781         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
1782         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
1783         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
1784         operands.
1785
1786 2008-03-18  Michael Matz  <matz@suse.de>
1787
1788         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
1789
1790 2008-03-18  Richard Guenther  <rguenther@suse.de>
1791
1792         * tree-gimple.h (is_gimple_invariant_address): Declare.
1793         (is_gimple_constant): Likewise.
1794         * tree-gimple.c (is_gimple_constant): New function.
1795         (is_gimple_invariant_address): Likewise.
1796         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
1797         and is_gimple_invariant_address.
1798         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
1799         previous change.
1800         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
1801         an addressable base.
1802
1803 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
1804
1805         PR middle-end/35611
1806         * gimplify.c (gimplify_expr): Gimplify second operand of
1807         OMP_ATOMIC_LOAD.
1808
1809 2008-03-17  Richard Guenther  <rguenther@suse.de>
1810
1811         PR tree-optimization/19637
1812         * fold-const.c (fold_unary): Remove restrictions of removing
1813         intermediate pointer-conversions (P2)(P1)P0.
1814         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
1815         conversion to void pointer.
1816         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
1817
1818 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
1819
1820         PR debug/31510
1821         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
1822         emulated thread local variables.
1823
1824 2008-03-16  Richard Guenther  <rguenther@suse.de>
1825
1826         PR middle-end/35607
1827         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
1828         expand TREE_INVARIANT operations that are not gimple invariant.
1829
1830 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
1831
1832         * doc/extend.texi (Alignment): Say that the ABI controls
1833         the __alignof__ for non-strict-alignment targets rather
1834         than being a recommendation.
1835
1836 2008-03-15  Paul Brook  <paul@codesourcery.com>
1837
1838         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
1839         annotations.
1840         (arm_output_fn_unwind): Mark functions that can not be unwound.
1841
1842 2008-03-15  Paul Brook  <paul@codesourcery.com>
1843
1844         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
1845         extension instructions.
1846
1847 2008-03-15  Richard Guenther  <rguenther@suse.de>
1848
1849         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
1850         and fold constant aggregate refs.
1851         (fold_const_aggregate_ref): Handle string constants
1852         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
1853         (evaluate_stmt): Simplify now that ccp_fold folds constant
1854         aggregate refs.
1855
1856 2008-03-15  Paul Brook  <paul@codesourcery.com>
1857
1858         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
1859         (extzv): Use gen_extzv_t2.
1860         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
1861
1862 2008-03-15  Richard Guenther  <rguenther@suse.de>
1863
1864         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
1865         (fold_const_aggregate_ref): Likewise.
1866         (get_value): Return NULL if we don't have any values.
1867         (ccp_finalize): Set const_val to NULL after freeing it.
1868         * tree-flow.h (get_symbol_constant_value): Declare.
1869         (fold_const_aggregate_ref): Likewise.
1870         * tree-ssa-sccvn.c (try_to_simplify): Use them.
1871
1872 2008-03-15  Richard Guenther  <rguenther@suse.de>
1873
1874         PR middle-end/35593
1875         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
1876         to not produce negative array indices if not allowed.  Add
1877         parameter to indicate that.
1878         (maybe_fold_offset_to_component_ref): Allow negative array
1879         indices only for the first member of a structure.
1880         (maybe_fold_offset_to_reference): Allow negative array indices.
1881         (maybe_fold_stmt_addition): Likewise.
1882
1883 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
1884             Anatoly Sokolov <aesok@post.ru>
1885
1886         * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
1887         (avr_arch): Add ARCH_AVR6.
1888         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
1889         (initial_elimination_offset): Initialize and use 'avr_pc_size' 
1890         instead of fixed value 2.
1891         (print_operand_address): Use gs() asm specifier instead of pm().
1892         (avr_assemble_integer): (Ditto.).
1893         (avr_output_addr_vec_elt): (Ditto.).
1894         (print_operand): Handle "!" code.
1895         * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add 
1896         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
1897         (AVR_HAVE_EIJMP_EICALL): Define.
1898         (AVR_3_BYTE_PC): Redefine.
1899         (AVR_2_BYTE_PC): (Ditto.).
1900         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
1901         (LINK_SPEC): Add atmega2560 and atmega2561.
1902         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561 
1903         (crtm2561.o).
1904         * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall 
1905         for 3 byte PC devices.
1906         (call_value_insn): (Ditto.).
1907         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
1908         (indirect_jump): Use only for for 2 byte PC devices.
1909         (*tablejump): (Ditto.).
1910         (*indirect_jump_avr6): Add insn.
1911         (*tablejump_rjmp): Don't use for 3 byte PC devices.
1912         * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp 
1913         instead of ijmp for 3 byte PC devices.
1914         (__tablejump2__): (Ditto.).
1915         * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
1916         (MULITLIB_DIRNAMES): (Ditto.). 
1917         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
1918
1919 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
1920
1921         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
1922         "sse2_umulsidi3".  Use V1DI mode for operand 0.
1923         ("mmx_psadbw"): Use V1DI mode for operand 0.
1924         * config/i386/i386-modes.def (V1SI): New vector mode.
1925         * config/i386/i386.c (struct builtin_description)
1926         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
1927         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
1928         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
1929         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
1930         v1di_ftype_v8qi_v8qi type.
1931         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
1932
1933         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
1934         __builtin_ia32_pmuludq]: Fix the mode of return value.
1935
1936 2008-03-15  Richard Guenther  <rguenther@suse.de>
1937
1938         PR middle-end/35595
1939         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
1940         being a PHI_NODE.
1941
1942 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
1943         
1944         * doc/invoke.texi (Option Summary, Xtensa Options): Document
1945         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
1946         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
1947         unless TARGET_SERIALIZE_VOLATILE is enabled.
1948         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
1949         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
1950         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
1951
1952 2008-03-14  Richard Guenther  <rguenther@suse.de>
1953
1954         PR tree-optimization/34172
1955         * tree-flow.h (refs_may_alias_p): Declare.
1956         (get_single_def_stmt): Likewise.
1957         (get_single_def_stmt_from_phi): Likewise.
1958         (get_single_def_stmt_with_phi): Likewise.
1959         * tree-dfa.c (refs_may_alias_p): New function.
1960         (get_single_def_stmt): Likewise.
1961         (get_single_def_stmt_from_phi): Likewise.
1962         (get_single_def_stmt_with_phi): Likewise.
1963         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
1964         (vn_reference_lookup_1): New helper function.
1965         (vn_reference_lookup): Walk the virtual use-def chain to
1966         continue searching for a match if the def does not alias the
1967         reference we are looking for.
1968
1969 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
1970
1971         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
1972         archive and Perzl.  Update The Written Word listing.
1973
1974 2008-03-14  Richard Guenther  <rguenther@suse.de>
1975
1976         PR tree-optimization/34043
1977         PR tree-optimization/33989
1978         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
1979         when doing FRE.
1980         (bitmap_find_leader): Use extra argument to verify dominance
1981         relationship inside a basic-block.
1982         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
1983         (find_leader_in_sets): Adjust.
1984         (create_component_ref_by_pieces): Take extra argument for
1985         dominance check, handle lookup failures.
1986         (find_or_generate_expression): Likewise.
1987         (create_expression_by_pieces): Likewise.
1988         (insert_into_preds_of_block): Adjust.
1989         (create_value_expr_from): If asked for, verify all operands
1990         are in the blocks AVAIL_OUT set.
1991         (make_values_for_stmt): Check for SSA_NAMEs that are life
1992         over an abnormal edge.
1993         (compute_avail): Remove such check.
1994         (do_SCCVN_insertion): New function.
1995         (eliminate): If we do not find a leader suitable for replacement
1996         insert a replacement expression from SCCVN if available.
1997         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
1998         (struct vn_ssa_aux): Add needs_insertion flag.
1999         * tree-ssa-sccvn.c (may_insert): New global flag.
2000         (copy_reference_ops_from_ref): Value-number union member access
2001         based on its size, not type and member if insertion is allowed.
2002         (visit_reference_op_load): For a weak match from union type
2003         punning lookup a view-converted value and insert a SSA_NAME
2004         for that value if that is not found.
2005         (visit_use): Make dumps shorter.  Do not disallow value numbering
2006         SSA_NAMEs that are life over an abnormal edge to constants.
2007         (free_scc_vn): Release inserted SSA_NAMEs.
2008         (run_scc_vn): New flag to specify whether insertion is allowed.
2009         Process SSA_NAMEs in forward order.
2010         * tree-ssa-loop-im.c (for_each_index): Handle invariant
2011         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
2012         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
2013         pointer type to/from integral types that do not change the
2014         precision to regular conversions.
2015
2016 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
2017
2018         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
2019         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
2020         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
2021         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
2022         input arguments and the mode of return value.  Built-in functions
2023         that operate on whole 64-bit MMX register now use V1DI mode.
2024
2025 2008-03-13  Alon Dayan  <alond@il.ibm.com>
2026             Olga Golovanevsky  <olga@il.ibm.com>
2027
2028         PR tree-optimization/35041
2029         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
2030         to locate the right position in a statement.
2031
2032 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
2033
2034         PR target/34000
2035         PR target/35553
2036         * config/i386/xmmintrin.h:  Change all static inline functions to
2037         extern inline and add __gnu_inline__ attribute.
2038         * config/i386/bmintrin.h: Ditto.
2039         * config/i386/smmintrin.h: Ditto.
2040         * config/i386/tmmintrin.h: Ditto.
2041         * config/i386/mmintrin-common.h: Ditto.
2042         * config/i386/ammintrin.h: Ditto.
2043         * config/i386/emmintrin.h: Ditto.
2044         * config/i386/pmmintrin.h: Ditto.
2045         * config/i386/mmintrin.h: Ditto.
2046         * config/i386/mm3dnow.h: Ditto.
2047
2048 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
2049
2050         PR middle-end/35185
2051         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
2052         (lower_omp_2): New function.
2053         (lower_omp_1, lower_omp): Rewritten.
2054
2055 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
2056
2057         PR 35054
2058         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
2059         with the phrase "Microsoft Windows compilers".
2060         (Push/Pop Macro Pragmas): New subsection. Document
2061         #pragma push_macro and pragma pop_macro.
2062
2063 2008-03-12  Paul Brook  <paul@codesourcery.com>
2064
2065         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
2066
2067 2008-03-12  Paul Brook  <paul@codesourcery.com>
2068
2069         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
2070         (thumb2_alusi3_short): Exclude PLUS and MINUS.
2071         (thumb2_addsi_shortim): Rename ...
2072         (thumb2_addsi_short): ... to this.  Allow register operands.
2073         (thumb2_subsi_short): New pattern.
2074         (thumb2_one_cmplsi2_short,
2075         thumb2_negsi2_short): New patterns and peepholes.
2076
2077 2008-03-12  Paul Brook  <paul@codesourcery.com>
2078
2079         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
2080
2081 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
2082
2083         * config/i386/i386.md (int_cond): New code iterator.
2084         (fp_cond): Ditto.
2085         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
2086         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
2087         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
2088         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
2089         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
2090         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
2091         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
2092         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
2093
2094 2008-03-12  Paul Brook  <paul@codesourcery.com>
2095
2096         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
2097         instead of {arm,thumb}_compute_save_reg_mask.
2098         (output_return_instruction): Ditto.
2099         (thumb_unexpanded_epilogue): Ditto.
2100         (thumb1_expand_prologue): Ditto.
2101         (thumb1_output_function_prologue): Ditto.
2102         (arm_set_return_address): Ditto.
2103         (thumb_set_return_address): Ditto.
2104         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
2105         regs to achieve stack alignment.
2106         (thumb1_compute_save_reg_mask): Fix compiler warning.
2107         (arm_output_epilogue): Use offsets->saved_regs_mask.
2108         Adjust stack pointer by poping call clobered registers.
2109         (arm_expand_prologue): Use offsets->saved_regs_mask.
2110         Adjust stack pointer by pushing extra registers.
2111         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
2112
2113 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
2114
2115         PR tree-opt/35422
2116         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
2117         conversion to the operands of a multiplication.
2118
2119 2008-03-12  Richard Guenther  <rguenther@suse.de>
2120
2121         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
2122         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
2123         * timevar.def (TV_TREE_PHIPROP): Add.
2124         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
2125         pass description.  Use TV_TREE_PHIPROP.
2126         * tree-ssa-forwprop.c: Remove phiprop code.
2127
2128 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
2129
2130         PR middle-end/35549
2131         * omp-low.c (maybe_lookup_decl): Constify first argument.
2132         (use_pointer_for_field): Change last argument from bool to
2133         omp_context *.  Disallow shared copy-in/out in nested
2134         parallel if decl is shared in outer parallel too.
2135         (build_outer_var_ref, scan_sharing_clauses,
2136         lower_rec_input_clauses, lower_copyprivate_clauses,
2137         lower_send_clauses, lower_send_shared_vars): Adjust callers.
2138
2139 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
2140             Ira Rosen  <irar@il.ibm.com>
2141
2142         * tree-vectorizer.c (free_stmt_vec_info): New function.
2143         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
2144         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
2145         * tree-vectorizer.h (free_stmt_vec_info): Declare.
2146         * tree-vect-transform.c (vectorizable_conversion): Free
2147         vec_oprnds0 if it was allocated.
2148         (vect_permute_store_chain): Remove unused VECs.
2149         (vectorizable_store): Free VECs that are allocated in the..
2150         function.
2151         (vect_transform_strided_load, vectorizable_load): Likewise.
2152         (vect_remove_stores): Simplify the code.
2153         (vect_transform_loop): Move code to vect_remove_stores().
2154         Call vect_remove_stores() and free_stmt_vec_info().
2155
2156 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2157
2158         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
2159         TARGET_HPUX.  Revise comment.
2160         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
2161         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
2162         Use sr4 variant of `be' instruction when not generating PIC code.
2163         (attr_length_call): Adjust for above change.
2164
2165 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2166
2167         * ipa-reference.c (static_execute): Remove module_statics_const and
2168         associated setting code.
2169
2170 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
2171
2172         PR target/35540
2173         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
2174         predicate for operand 1.
2175         (paritysi2_cmp): Use register_operand predicate for operand 2.
2176         Use earlyclobber modifier for operand 1.  Remove support for
2177         memory operands.
2178         (paritydi2_cmp): Use register_operand predicate for operand 3.
2179         Use earlyclobber modifier for operand 1.  Remove support for
2180         memory operands.
2181
2182 2008-03-11  Paul Brook  <paul@codesourcery.com>
2183             Vladimir Prus  <vladimir@codesourcery.com>
2184
2185         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
2186         (arm_compute_save_reg0_reg12_mask): Always
2187         check if register 11 must be saved.  Always safe hard frame pointer
2188         when frame_pointer_needeed.
2189         (arm_compute_save_reg_mask): Save IP and PC
2190         only with apcs frames.
2191         (arm_output_epilogue): Adjust Thumb2 codepath to
2192         be also invoked and work for ARM non-apcs frames.
2193         (arm_expand_prologue): Don't bother saving IP
2194         for non-apcs frame, since it's not clobbered by
2195         prologue code.  Implement non-apcs frame
2196         layout.
2197
2198 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
2199
2200         PR rtl-optimization/35281
2201         * expr.c (convert_move): Use a new pseudo for the intermediate
2202         from_mode->word_mode result.
2203
2204 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
2205
2206         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
2207         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
2208         * toplev.c (compile_file): Don't call it.
2209
2210 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
2211
2212         PR middle-end/35526
2213         * expr.c (store_expr): Call emit_block_move if the mode
2214         of "temp" RTX is BLKmode.
2215
2216 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2217             Richard Guenther  <rguenther@suse.de>
2218
2219         PR tree-optimization/31358
2220         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
2221         the step with a NULL_TREE.
2222         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
2223         to sizetype if type is a pointer type.
2224         (add_candidate_1): Don't convert the base and step to
2225         the generic type if the orginal type is a pointer type.
2226         (add_iv_value_candidates): Use sizetype for the step
2227         if type is a pointer type.
2228         (cand_value_at): Likewise.
2229         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
2230         for pointer types.
2231         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
2232         Don't convert the tem affine to the type.
2233         (add_elt_to_tree): Use sizetype for the step if a pointer.
2234         Use POINTER_PLUS_EXPR for pointers.
2235         (aff_combination_to_tree): Use sizetype for the step if a
2236         pointer.
2237
2238 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
2239
2240         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
2241         Remove commutativity hint.
2242
2243 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
2244
2245         PR c/35438
2246         PR c/35439
2247         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
2248         errorneous type.  Check that v is a VAR_DECL.
2249
2250         PR middle-end/35099
2251         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
2252
2253 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
2254
2255         PR tree-optimization/35494
2256         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
2257         may be overriden at link and run time.
2258
2259 2008-03-10  Richard Guenther  <rguenther@suse.de>
2260
2261         PR tree-optimization/34677
2262         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
2263         (poolify_tree): Likewise.
2264         (modify_expr_template): Likewise.
2265         (poolify_modify_stmt): Likewise.
2266         (insert_fake_stores): Handle all component-ref style stores
2267         in addition to INDIRECT_REF.  Also handle complex types.
2268         Do not poolify the inserted load.
2269         (realify_fake_stores): Do not rebuild the tree but only
2270         make it a SSA_NAME copy.
2271         (init_pre): Remove initialzation of modify_expr_template.
2272         Do not allocate modify_expr_node_pool.
2273         (fini_pre): Do not free modify_expr_node_pool.
2274
2275 2008-03-10  Paul Brook  <paul@codesourcery.com>
2276
2277         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
2278         to avoid conflicts.
2279
2280 2008-03-10  Paul Brook  <paul@codesourcery.com>
2281             Mark Shinwell  <shinwell@codesourcery.com>
2282
2283         * config/arm/cortex-r4.md: New.
2284         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
2285         insn attributes.
2286         * config/arm/arm.md: Include cortex-r4.md.
2287         (insn): Add smmls, sdiv and udiv values.
2288         (generic_sched): Don't use generic scheduling for Cortex-R4.
2289         (arm_issue_rate): New function.
2290         (TARGET_SCHED_ISSUE_RATE): Define.
2291
2292 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
2293
2294         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
2295
2296 2008-03-10  Richard Guenther  <rguenther@suse.de>
2297
2298         * tree-ssa-pre.c (get_sccvn_value): Simplify.
2299         (compute_avail): Do not add stmt uses to AVAIL_OUT.
2300
2301 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
2302
2303         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
2304         Set default to true.
2305
2306 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2307
2308         * c.opt (Wsynth): Deprecate.
2309         * doc/invoke.texi (Option Summary, Warning Options): Document
2310         -Wno-format-contains-nul.
2311
2312 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
2313
2314         PR target/35496
2315         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
2316         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
2317
2318 2008-03-09  Ira Rosen  <irar@il.ibm.com>
2319
2320         * config/rs6000/rs6000.c (builtin_description): Rename vector
2321         left shift operations.
2322         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
2323         (altivec_vsl<VI_char>): Rename to ...
2324         (ashl<mode>3): ... new name.
2325         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
2326         gen_ashlv4si3.
2327         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
2328
2329 2008-03-08  Richard Guenther  <rguenther@suse.de>
2330
2331         * coverage.h (tree_coverage_counter_addr): Declare.
2332         * coverage.c (tree_coverage_counter_addr): New function.
2333         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
2334         before using again.
2335         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
2336         (tree_gen_one_value_profiler): Likewise.
2337         (tree_gen_ic_profiler): Likewise.
2338         (tree_gen_average_profiler): Likewise.
2339         (tree_gen_ior_profiler): Likewise.
2340
2341 2008-03-08  Richard Guenther  <rguenther@suse.de>
2342
2343         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
2344         (vn_binary_op_insert): Likewise.
2345         (vn_unary_op_lookup): Likewise.
2346         (vn_unary_op_insert): Likewise.
2347         (vn_nary_op_lookup): Declare.
2348         (vn_nary_op_insert): Likewise.
2349         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
2350         and binary hashes, use a single obstack for unary_op_pool
2351         and binary_op_pool.
2352         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
2353         a single struct vn_nary_op_s.  Store tree code length and
2354         a variable number of operands.
2355         (struct vn_reference_op_struct): Remove unused op2.
2356         (vn_reference_op_eq): Do not compare op2.
2357         (vn_reference_op_compute_hash): Do not compute hash of op2.
2358         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
2359         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
2360         with vn_nary_op_compute_hash.
2361         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
2362         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
2363         vn_nary_op_lookup.
2364         (vn_unary_op_insert, vn_binary_op_insert): Replace with
2365         vn_nary_op_insert.
2366         (visit_unary_op): Call nary functions.
2367         (visit_binary_op): Likewise.
2368         (process_scc): Adjust for struct vn_tables_s changes.
2369         (allocate_vn_table): Likewise.
2370         (free_vn_table): Likewise.
2371         * tree-vn.c (vn_add): Call nary functions.
2372         (vn_lookup): Likewise.
2373
2374 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
2375
2376         PR target/35498
2377         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
2378         wdst back after sync_compare_and_swapqhi_internal.
2379
2380 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
2381
2382         PR target/22152
2383         * config/i386/i386-modes.def (V1DI): New vector mode.
2384         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
2385         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
2386         (MMXMODE248): Ditto.
2387         (MMXMODE): Add V1DI mode.
2388         (mmxvecsize): Change DI mode to V1DI mode.
2389         ("mov<mode>): Use MMXMODEI8 mode iterator.
2390         ("*mov<mode>_internal_rex64"): Ditto.
2391         ("*mov<mode>_internal"): Ditto.
2392         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
2393         ("mmx_sub<mode>3"): Ditto.
2394         ("mmx_adddi3"): Remove insn pattern.
2395         ("mmx_subdi3"): Ditto.
2396         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
2397         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
2398         ("mmx_ashl<mode>3"): Ditto.
2399         ("mmx_lshrdi3"): Remove insn pattern.
2400         ("mmx_ashldi3"): Ditto.
2401         * config/i386/i386.c (classify_argument): Handle V1DImode.
2402         (function_arg_advance_32): Ditto.
2403         (function_arg_32): Ditto.
2404         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
2405         mmx_addv1di3 insn pattern.
2406         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
2407         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
2408         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
2409         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
2410         Remove definitions of built-in functions.
2411         (V1DI_type_node): New node.
2412         (v1di_ftype_v1di_int): Ditto.
2413         (v1di_ftype_v1di_v1di): Ditto.
2414         (v2si_ftype_v2si_si): Ditto.
2415         (v4hi_ftype_v4hi_di): Remove node.
2416         (v2si_ftype_v2si_di): Ditto.
2417         (ix86_init_mmx_sse_builtins): Handle V1DImode.
2418         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
2419         Redefine builtins using def_builtin_const with *_ftype_*_int node.
2420         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
2421         Add new builtins using def_builtin_const.
2422         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
2423         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
2424         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
2425         * config/i386/mmintrin.h (__v1di): New typedef.
2426         (_mm_add_si64): Cast arguments to __v1di type.
2427         (_mm_sub_si64): Ditto.
2428         (_mm_sll_pi16): Cast __count to __v4hi type.
2429         (_mm_sll_pi32): Cast __count to __v2si type.
2430         (_mm_sll_si64): Cast arguments to __v1di type.
2431         (_mm_srl_pi16): Cast __count to __v4hi type.
2432         (_mm_srl_pi32): Cast __count to __v2si type.
2433         (_mm_srl_si64): Cast arguments to __v1di type.
2434         (_mm_sra_pi16): Cast __count to __v4hi type.
2435         (_mm_sra_pi32): Cast __count to __v2si type.
2436         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
2437         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
2438         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
2439         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
2440         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
2441         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
2442         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
2443         (_mm_srai_pi32): Use __builtin_ia32_psradi.
2444         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
2445         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
2446         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
2447         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
2448
2449 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
2450
2451         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
2452
2453 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
2454
2455         PR target/35373
2456         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
2457         reg+const addressing for Altivec modes.  Don't generate reg+reg
2458         addressing for TFmode or TDmode quantities.
2459
2460 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
2461
2462         * c-common.c (vector_types_convertible_p): Call langhook
2463         instead of comptypes.
2464
2465 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2466
2467         PR tree-opt/35402
2468         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
2469         integral and scalar float variables which have a
2470         NULL DECL_INITIAL.
2471
2472 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
2473
2474         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
2475         dwarf_register_span hook when emitting unwind information for
2476         register-to-memory saves.
2477         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
2478         (rs6000_frame_related): Remove call to spe_synthesize_frame.
2479
2480 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
2481
2482         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
2483         for the same VAR_DECL.
2484
2485 2008-03-06  Tom Tromey  <tromey@redhat.com>
2486
2487         * treelang: Delete.
2488         * doc/standards.texi (Standards): Don't mention treelang.
2489         * doc/invoke.texi (Overall Options): Don't mention treelang.
2490         * doc/install.texi (Prerequisites): Don't mention bison or
2491         treelang.
2492         (Configuration): Don't mention treelang.
2493         (Building): Likewise.
2494         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
2495
2496 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
2497
2498         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
2499         word-extractions out of a multi-word object.
2500
2501 2008-03-06  Richard Guenther  <rguenther@suse.de>
2502
2503         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
2504         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
2505         result type and precision.
2506         * expr.c (get_inner_reference): Set unsignedp based on the result
2507         type of BIT_FIELD_REF.
2508         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
2509         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
2510         (try_instantiate_multiple_fields): Likewise.  Use the correct type
2511         for BIT_FIELD_REF.
2512         (sra_build_assignment): Likewise.
2513         (sra_build_elt_assignment): Likewise.
2514         (sra_explode_bitfield_assignment): Likewise.
2515         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
2516         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
2517         set BIT_FIELD_REF_UNSIGNED.
2518         (vectorizable_load): Likewise.
2519
2520 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
2521
2522         * cse.c (cse_extended_basic_block): Invalidate artificial defs
2523         at bb start.
2524
2525 2008-03-06  Richard Guenther  <rguenther@suse.de>
2526
2527         * alias.c (struct alias_set_entry): Move has_zero_child field
2528         to pack with alias_set.
2529
2530 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
2531
2532         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
2533         32bit host.
2534
2535 2008-03-05  Ian Lance Taylor  <iant@google.com>
2536
2537         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
2538
2539 2008-03-05  Kenneth Zadeck <zadeck@naturalbridge.com>
2540
2541         * fwprop.c (update_df): Support width and offset parameters of
2542         df_ref_create.
2543         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
2544         global_conflicts): Change DF_REF_EXTRACT to either
2545         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2546         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2547         * df-scan.c (df_ref_record, df_defs_record,
2548         df_ref_create_structure, df_def_record_1, df_uses_record,
2549         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
2550         df_bb_refs_collect, df_entry_block_defs_collect,
2551         df_exit_block_uses_collect): Support new width and offset fields.
2552         (ref_extract_pool): New storage pool.
2553         (df_free_ref): New function.
2554         (df_reg_chain_unlink, df_free_collection_rec,
2555         df_sort_and_compress_refs): Call df_free_ref.
2556         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
2557         of df_ref_extract.
2558         (df_ref_create_structure): Allocate df_ref_extract if offset and
2559         width fields are used.
2560         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
2561         (df_uses_record): Get offset and width from ZERO_EXTRACT 
2562         and SIGN_EXTRACT.
2563         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
2564         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2565         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2566         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
2567         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2568         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2569         (df_ref_extract): New structure.
2570         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
2571         (df_ref_create): Add width and offset parameters.
2572         
2573 2008-03-05  Richard Guenther  <rguenther@suse.de>
2574
2575         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2576         Use ranges_overlap_p.
2577         (offset_overlaps_with_access): Rename
2578         to ranges_overlap_p and move ...
2579         * tree-flow-inline.h (ranges_overlap_p): ... here.
2580
2581         * tree.h (get_inner_reference, handled_component_p): Update
2582         comments.
2583
2584         * tree.h (record_component_aliases, get_alias_set,
2585         alias_sets_conflict_p, alias_sets_must_conflict_p,
2586         objects_must_conflict_p): Move declarations ...
2587         * alias.h (record_component_aliases, get_alias_set,
2588         alias_sets_conflict_p, alias_sets_must_conflict_p,
2589         objects_must_conflict_p): ... here.
2590         Include coretypes.h.
2591         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
2592
2593 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
2594
2595         * cfg.c: Include tree-flow.h.
2596         (remove_edge_raw): Call redirect_edge_var_map_clear.
2597         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
2598         * tree-flow-inline.h (redirect_edge_var_map_def): New.
2599         (redirect_edge_var_map_result): New.
2600         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
2601         PENDING_STMT use with redirect_edge_var_map_*.
2602         * tree-ssa.c (edge_var_maps): New definition.
2603         (redirect_edge_var_map_add): New.
2604         (redirect_edge_var_map_clear): New.
2605         (redirect_edge_var_map_dup): New.
2606         (redirect_edge_var_map_vector): New.
2607         (redirect_edge_var_map_destroy): New.
2608         (ssa_redirect_edge): Replace PENDING_STMT use with
2609         redirect_edge_var_map_*.
2610         (flush_pending_stmts): Same.
2611         (delete_tree_ssa): Destroy edge var map.
2612         * tree-flow.h (struct _edge_var_map): New.
2613         Define edge_var_map vector type.
2614         Declare redirect_edge_var_map_* prototypes.
2615         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
2616         * tree-cfg.c (reinstall_phi_args): Replace
2617         PENDING_STMT use with redirect_edge_var_map_*.
2618
2619 2008-03-05  Richard Guenther  <rguenther@suse.de>
2620
2621         PR tree-optimization/35472
2622         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
2623         whose single use_stmt has a overlapping set of loaded and
2624         stored symbols as that use_stmt might be a noop assignment then.
2625
2626 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
2627
2628         * gthr-rtems.h: Implement __gthread_mutex_destroy.
2629
2630 2008-03-05  Richard Guenther  <rguenther@suse.de>
2631
2632         PR c++/35336
2633         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
2634         should be constants.
2635         * tree-cfg.c (verify_expr): Verify it.
2636         * fold-const.c (fold_truthop): Remove code generating
2637         BIT_FIELD_REFs of structure bases.
2638         (fold_binary): Likewise.
2639         (fold_ternary): Position and size of BIT_FIELD_REFs are
2640         always host integers.
2641         (make_bit_field_ref): Remove.
2642         (optimize_bit_field_compare): Remove.
2643         (all_ones_mask_p): Remove.
2644
2645 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
2646
2647         PR gcc/33009
2648         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
2649         (split_block_and_df_analyze): New. Split basic block and rebuild
2650         dataflow.
2651         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
2652         SPLIT_BLOCK.
2653         (split_pattern_seq): Likewise.
2654         (erase_matching_seqs): Likewise.
2655         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
2656
2657 2008-03-04  Geoff Keating  <geoffk@apple.com>
2658
2659         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
2660         declaration and code.
2661         (tree_invalid_nonnegative_warnv_p): Likewise.
2662
2663 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
2664
2665         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
2666         examples.  Truncate option-names then causing overfull hbox.
2667
2668 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2669
2670         PR target/35222
2671         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
2672         on hpux10.
2673         * configure: Rebuilt.
2674
2675 2008-03-04  Rafael Espindola  <espindola@google.com>
2676
2677         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
2678         (tree_unary_nonnegative_warnv_p): New.
2679         (tree_binary_nonnegative_warnv_p): New.
2680         (tree_single_nonnegative_warnv_p): New.
2681         (tree_invalid_nonnegative_warnv_p): New.
2682         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
2683
2684 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2685
2686         PR 28322
2687         * opts.c (handle_option): Postpone 'unknown option' errors only for
2688         warning options.
2689
2690 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
2691
2692         PR target/35453
2693         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
2694         (_SIDD_XXX): This.
2695
2696 2008-03-04  Rafael Espindola  <espindola@google.com>
2697
2698         * fold-const.c (tree_unary_nonzero_warnv_p): New.
2699         (tree_binary_nonzero_warnv_p): New.
2700         (tree_single_nonzero_warnv_p): New.
2701         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
2702
2703 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
2704
2705         PR middle-end/35456
2706         * fold-const.c (fold_cond_expr_with_comparison): Prevent
2707         transformations for modes that have signed zeros.
2708         * ifcvt.c (noce_try_abs): Ditto.
2709
2710 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
2711
2712         * config/i386/i386.c (override_options): Force
2713         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
2714
2715 2008-03-04  Jan Hubicka  <jh@suse.cz>
2716
2717         PR c++/35262
2718         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
2719         in last commit.
2720
2721 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
2722
2723         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
2724         label to probe the stack.
2725
2726 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
2727
2728         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
2729         (__gthr_win32_mutex_destroy): Declare.
2730         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
2731         __gthr_win32_mutex_destroy.
2732         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
2733
2734 2008-03-03  Jan Hubicka  <jh@suse.cz>
2735
2736         PR c++/35262
2737         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
2738         aggressive on inlining cold calls.
2739
2740 2008-03-03  Richard Guenther  <rguenther@suse.de>
2741
2742         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
2743         struct copies into the expression table.
2744         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
2745         (try_to_simplify): Likewise.
2746         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
2747         integral and pointer arguments which do not change the
2748         precision to NOP_EXPRs.
2749         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
2750         VIEW_CONVERT_EXPR case.
2751
2752 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2753
2754         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
2755         defined in a loop at depth 0 is invariant.
2756         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
2757         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
2758         be called at loop depth 0.
2759
2760 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
2761
2762         PR driver/35420
2763         * gcc.c (process_command): Update copyright notice dates.
2764         * gcov.c (print_version): Likewise.
2765         * gcov-dump.c (print_version): Likewise.
2766         * mips-tfile.c (main): Likewise.
2767         * mips-tdump.c (main): Likewise.
2768
2769 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2770
2771         PR 24924
2772         * c-common.c (flag_permissive): Delete.
2773         (constant_expression_warnings): Check flags first.
2774         (constant_expression_error): New.
2775         * c-common.h (flag_permissive): Delete.
2776         (constant_expression_error): Declare.
2777         * flags.h (flag_permissive): Declare. Update description.
2778         * diagnostic.c (pedwarn): Update.
2779         (permerror): New.
2780         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
2781         (permissive_error_kind): New.
2782         * toplev.c (flag_permissive): Define. Update description.
2783         * toplev.h (permissive_error_kind): Declare.
2784         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
2785         (pedwarn_c90): Use pedantic_warning_kind.
2786         * c-opts.c (c_common_post_options): flag_permissive does not affect
2787         flag_pedantic_errors.
2788
2789 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
2790
2791         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
2792         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
2793         __absvsi2, __absvDI2): Use unsigned arithmetic.
2794
2795 2008-03-02  Andi Kleen  <ak@suse.de>
2796             Richard Guenther  <rguenther@suse.de>
2797
2798         * struct-equiv.c: Remove file.
2799         * cfg_cleanup.c (condjump_equiv_p): Remove.
2800         * Makefile.in (OBJS-common): Remove struct-equiv.o.
2801         (struct-equiv.o): Remove rule.
2802         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
2803         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
2804         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
2805
2806 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2807
2808         * ifcvt.c (noce_process_if_block): Try to handle only the then
2809         block if the else block exists but isn't suitable.
2810
2811 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
2812
2813         PR gcc/35063
2814         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
2815         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
2816         regression from previous patch.
2817
2818 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
2819
2820         PR gcc/35063
2821         * gthr.h: Add __gthread_mutex_destroy as a function that must be
2822         implemented.
2823         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
2824         * gthr-single.h (__gthread_mutex_destroy): Likewise.
2825         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
2826         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
2827         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
2828         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
2829         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
2830         (__gthread_mutex_destroy_function): Rename to
2831         __gthread_mutex_destroy.
2832         * gthr-dce.h (__gthread_mutex_destroy): Call
2833         pthread_mutex_destroy.
2834         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
2835         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
2836         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
2837
2838 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2839
2840         * df-scan.c (df_ref_chain_change_bb): Simplify.
2841         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
2842         set_block_for_insn if there's any change.
2843         * df.h ((df_insn_change_bb): Fix prototype.
2844         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
2845         df_insn_change_bb, don't call set_block_for_insn.
2846         * emit-rtl.c (reorder_insns): Likewise.
2847         * haifa-sched.c (move_insn): Likewise.
2848
2849 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2850
2851         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
2852
2853 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2854
2855         * tree-flow-inline.h (next_readonly_imm_use): Return
2856         NULL_USE_OPERAND_P after the end.
2857
2858 2008-03-01  Richard Guenther  <rguenther@suse.de>
2859
2860         PR tree-optimization/35411
2861         * tree-sra.c (sra_build_assignment): Split conversion to
2862         final type to a separate statement if we are not assigning
2863         to a register.
2864
2865 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2866
2867         * fold-const.c (fold_convertible_p): Correct the logic to follow
2868         that in fold_convert().
2869
2870 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
2871
2872         PR c++/35315
2873         * tree-inline.c (build_duplicate_type): When we make a
2874         duplicate type, make it unique in the canonical types system.
2875
2876 2008-02-29  Tom Tromey  <tromey@redhat.com>
2877
2878         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
2879         input_file_stack_history, input_file_stack_restored): Remove.
2880         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2881         * input.h (struct file_stack): Remove.
2882         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2883         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
2884         Likewise.
2885         * diagnostic.h (struct diagnostic_context) <last_module>: Change
2886         type.
2887         (diagnostic_last_module_changed): Add 'map' argument.
2888         (diagnostic_set_last_function): Likewise.
2889         * diagnostic.c (undiagnostic_report_current_module): Iterate using
2890         line map, not input_file_stack.
2891         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
2892
2893 2008-02-29  Paul Brook  <paul@codesourcery.com>
2894
2895         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
2896
2897 2008-02-29  Paul Brook  <paul@codesourcery.com>
2898
2899         * config/arm/ieee754-df.S (muldf3): Use RET macros.
2900
2901 2008-02-29  Richard Guenther  <rguenther@suse.de>
2902
2903         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
2904         vn_lookup_or_add.
2905         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
2906         value for comparing for a store match.
2907         (simplify_unary_expression): Do nothing for SSA_NAMEs.
2908         (try_to_simplify): Do not do a full-blown reference lookup.
2909
2910 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
2911
2912         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
2913         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2914
2915         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
2916
2917 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
2918
2919         * tree-loop-linear.c (try_interchange_loops): Compare memory access
2920         strides against cache sizes.
2921
2922 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
2923
2924         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
2925         constant to fpul.
2926
2927 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
2928
2929         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
2930         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
2931         is smaller than the original promoted value.
2932         (simplify_subreg): If OP is a SUBREG, try to preserve its
2933         SUBREG_PROMOTED_VAR_P information.
2934
2935 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
2936
2937         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
2938         (VN_INFO_GET): Allocate new objects on the obstack.
2939         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
2940         for rpo_numbers_temp, for consistency.
2941         (free_scc_vn): Free the obstack.
2942
2943 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
2944
2945         * doc/invoke.texi: Document -ftree-loop-distribution.
2946         * tree-loop-distribution.c: New.
2947         * tree-pass.h (pass_loop_distribution): New.
2948         * graphds.h (struct graph): Add htab_t indices.
2949         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
2950         * tree-vectorizer.c (rename_variables_in_loop): Extern.
2951         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
2952         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
2953         * tree-data-ref.c (debug_data_dependence_relations): New.
2954         (dump_data_dependence_relation): Also print data references.
2955         (free_data_ref): Extern.
2956         (same_access_functions): Moved...
2957         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
2958         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
2959         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
2960         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
2961         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
2962         (stmts_from_loop): Skip LABEL_EXPR.
2963         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
2964         New.
2965         (build_rdg): Initialize rdg->indices htab.
2966         (free_rdg, stores_from_loop, ref_base_address,
2967         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
2968         have_similar_memory_accesses_1, ref_base_address_1,
2969         remove_similar_memory_refs): New.
2970         * tree-data-ref.h: Depend on tree-chrec.h.
2971         (debug_data_dependence_relations, free_data_ref): Declared.
2972         (same_access_functions): ... here.
2973         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
2974         New.
2975         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
2976         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
2977         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
2978         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
2979         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
2980         rdg_vertex_for_stmt): Declared.
2981         (struct rdg_edge): Add level.
2982         (RDGE_LEVEL): New.
2983         (free_rdg, stores_from_loop, remove_similar_memory_refs,
2984         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
2985         Declared.
2986         (rdg_has_similar_memory_accesses): New.
2987         * tree-vect-analyze.c: Remove unused static decls.
2988         * lambda.h (dependence_level): New.
2989         * common.opt (ftree-loop-distribution): New.
2990         * tree-flow.h (mark_virtual_ops_in_bb, 
2991         slpeel_tree_duplicate_loop_to_edge_cfg,
2992         rename_variables_in_loop): Declared.
2993         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
2994         (OBJS-common): Add tree-loop-distribution.o.
2995         (tree-loop-distribution.o): New rule.
2996         * tree-cfg.c (mark_virtual_ops_in_bb): New.
2997         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
2998         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
2999
3000 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
3001
3002         PR target/33963
3003         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
3004         other than structures and unions.
3005
3006 2008-02-28  Richard Guenther  <rguenther@suse.de>
3007
3008         Revert:
3009         2008-02-26  Richard Guenther  <rguenther@suse.de>
3010
3011         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3012         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3013         (lookup_decl_from_uid): Declare.
3014         (remove_decl_from_map): Likewise.
3015         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3016         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3017         (decl_for_uid_map): New global hashtable mapping DECL_UID
3018         to the decl tree.
3019         (init_ttree): Allocate it.
3020         (insert_decl_to_uid_decl_map): New helper function.
3021         (make_node_stat): Insert new decls into the map.
3022         (copy_node_stat): Likewise.
3023         (lookup_decl_from_uid): New function.
3024         (remove_decl_from_map): Likewise.
3025         (print_decl_for_uid_map_statistics): New helper.
3026         (dump_tree_statistics): Call it.
3027
3028         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3029         (referenced_var_iterator): Adjust.
3030         (FOR_EACH_REFERENCED_VAR): Adjust.
3031         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3032         (num_referenced_vars): Adjust.
3033         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3034         (first_referenced_var): Remove.
3035         (end_referenced_vars_p): Likewise.
3036         (next_referenced_var): Likewise.
3037         (referenced_var_iterator_set): New helper function.
3038         * tree-dfa.c (referenced_var_lookup): Adjust.
3039         (referenced_var_check_and_insert): Likewise.
3040         (remove_referenced_var): Likewise.
3041         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3042         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3043         (verify_call_clobbering): Likewise.
3044         (verify_memory_partitions): Likewise.
3045         (init_tree_ssa): Allocate bitmap instead of hashtable for
3046         referenced_vars.
3047         (delete_tree_ssa): Adjust.
3048         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3049         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3050         (compute_tag_properties): Likewise.
3051         (set_initial_properties): Likewise.
3052         (find_partition_for): Likewise.
3053         (update_reference_counts): Likewise.
3054         (dump_may_aliases_for): Likewise.
3055         * tree-ssa-operands.c (add_virtual_operand): Likewise.
3056         (add_call_clobber_ops): Likewise.
3057         (add_call_read_ops): Likewise.
3058         (get_asm_expr_operands): Likewise.
3059         * tree-into-ssa.c (dump_decl_set): Likewise.
3060         (update_ssa): Likewise.
3061         * tree-sra.c (scan_function): Likewise.
3062         (decide_instantiations): Likewise.
3063         (scalarize_parms): Likewise.
3064         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3065         (dsa_named_for): Likewise.
3066         * tree-ssa-structalias.c (update_alias_info): Likewise.
3067         (merge_smts_into): Likewise.
3068
3069 2008-02-27  David Daney  <ddaney@avtrex.com>
3070
3071         PR target/34409
3072         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
3073         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
3074         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
3075         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
3076         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
3077
3078 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
3079
3080         PR target/25477
3081         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
3082         (BUILT_IN_NEXTTOWARD): Remove.
3083         (BUILT_IN_NEXTTOWARDF): Ditto.
3084         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
3085         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
3086
3087 2008-02-27  Tom Tromey  <tromey@redhat.com>
3088
3089         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
3090         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
3091
3092 2008-02-27  Jan Beulich  <jbeulich@novell.com>
3093
3094         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
3095         update the respective field on newdecl.
3096
3097 2008-02-27  Revital Eres  <eres@il.ibm.com>
3098
3099         PR rtl-optimization/34999
3100         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
3101         crossing edges that ends with a call insn.
3102         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
3103         call insn and clear the EDGE_CROSSING flag of the crossing edge
3104         when fixing fallthru edges.
3105
3106 2008-02-27  Richard Guenther  <rguenther@suse.de>
3107
3108         PR middle-end/35390
3109         * fold-const.c (fold_unary): Return the correct argument,
3110         converted to the result type.
3111
3112 2008-02-27  Richard Guenther  <rguenther@suse.de>
3113
3114         PR middle-end/34971
3115         * expr.c (expand_expr_real_1): Assert on rotates that operate
3116         on partial modes.
3117         * fold-const.c (fold_binary): Use the types precision, not the
3118         bitsize of the mode if folding rotate expressions.  Build rotates
3119         only for full modes.
3120
3121 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
3122
3123         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
3124         and CPP_PRAGMA_EOL.
3125         * c-pragma.c (pragma_ns_name): New typedef.
3126         (registered_pp_pragmas): New variable.
3127         (c_pp_lookup_pragma): New function.
3128         (c_register_pragma_1): If flag_preprocess_only, do nothing
3129         for non-expanded pragmas, for expanded ones push pragma's
3130         namespace and name into registered_pp_pragmas vector.
3131         (c_invoke_pragma_handler): Register OpenMP pragmas even when
3132         flag_preprocess_only, don't register GCC pch_preprocess
3133         pragma if flag_preprocess_only.
3134         * c-opts.c (c_common_init): Call init_pragma even if
3135         flag_preprocess_only.
3136         * c-pragma.c (c_pp_lookup_pragma): New prototype.
3137         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
3138         cpp_register_pragma if flag_preprocess_only.
3139
3140 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3141
3142         PR c/28800
3143         * c-parser.c (c_parser_translation_unit): Warn for empty
3144         translation unit, not empty source file.
3145
3146 2008-02-26  Paul Brook  <paul@codesourcery.com>
3147
3148         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
3149         operand for Thumb-2.
3150         * config/arm/arm.h (reg_class): Add CORE_REGS.
3151         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
3152         (BASE_REG_CLASS): Use CORE_REGS.
3153         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
3154         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
3155         (REGNO_OK_FOR_INDEX_P): Exclude SP.
3156         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
3157         ARM_REGNO_OK_FOR_INDEX_P.
3158         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
3159         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
3160         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
3161         (ldm/stm peepholes): Ditto.
3162         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
3163         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
3164         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
3165         * config/arm/constraints.md: Enable "k" constraint on ARM.
3166
3167 2008-02-27  Ben Elliston  <bje@au.ibm.com>
3168
3169         * config/rs6000/rs6000.c: Annotate cache line size field in all
3170         instances of struct processor_costs.
3171
3172 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
3173
3174         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
3175         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
3176         jump_bypass): New counters.
3177         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
3178         * dce.c (gate_ud_dce): Same.
3179         (gate_fast_dce): Same.
3180         * dse.c (gate_dse1): New function.
3181         (gate_dse2): New function.
3182         (gate_dse): Merge results of new gate functions.
3183         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
3184         (gate_handle_jump_bypass): Add dbg_cnt.
3185         (gate_handle_gcse): Add dbg_cnt.
3186         * ifcvt.c (gate_handle_if_conversion): Same.
3187         (gate_handle_if_after_combine): Same.
3188         (gate_handle_if_after_reload): Same.
3189         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
3190
3191 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
3192
3193         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
3194         line sizes.
3195         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
3196
3197 2008-02-26  Jason Merrill  <jason@redhat.com>
3198
3199         PR c++/35315
3200         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
3201         alone if it's the naming decl for the type's main variant.
3202
3203 2008-02-26  Tom Tromey  <tromey@redhat.com>
3204
3205         * system.h (USE_MAPPED_LOCATION): Poison.
3206         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
3207         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
3208         (make_goto_expr_edges): Likewise.
3209         (remove_bb): Likewise.
3210         (execute_warn_function_return): Likewise.
3211         * basic-block.h (struct edge_def) <goto_locus>: Change type to
3212         location_t.
3213         * c-common.c (fname_decl): Remove old location code.
3214         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
3215         location code.
3216         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
3217         variant.
3218         (ASM_INPUT_SOURCE_LOCATION): Likewise.
3219         (gen_rtx_ASM_INPUT): Likewise.
3220         (gen_rtx_ASM_INPUT_loc): Likewise.
3221         (get_rtx_asm_OPERANDS): Remove.
3222         * cfglayout.c (insn_locators_alloc): Remove old location code.
3223         (set_curr_insn_source_location): Likewise.
3224         (curr_insn_locator): Likewise.
3225         * print-tree.c (print_node): Remove old location code.
3226         * tree-mudflap.c (mf_varname_tree): Remove old location code.
3227         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
3228         * cfgexpand.c (expand_gimple_cond_expr): Don't use
3229         location_from_locus.
3230         (construct_exit_block): Remove old location code.
3231         * emit-rtl.c (force_next_line_note): Remove old location code.
3232         * profile.c (branch_prob): Remove old location code.
3233         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
3234         LOC_LINE): Remove old-location variants.
3235         * langhooks.c (lhd_print_error_function): Remove old location
3236         code.
3237         * configure, config.in: Rebuilt.
3238         * configure.ac (--enable-mapped-location): Remove.
3239         * c-decl.c (c_init_decl_processing): Remove old location code.
3240         (finish_function): Likewise.
3241         * recog.c (decode_asm_operands): Remove old location code.
3242         * c-pch.c (c_common_read_pch): Remove old location code.
3243         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
3244         variants.
3245         * gimple-low.c (lower_function_body): Remove old location code.
3246         * toplev.c (unknown_location): Remove.
3247         (push_srcloc): Remove old-location variant.
3248         (process_options): Remove old location code.
3249         (lang_dependent_init): Likewise.
3250         * input.h (UNKNOWN_LOCATION): Move definition.
3251         (location_t): Undeprecate.
3252         (source_locus): Remove.
3253         (location_from_locus): Remove.
3254         (struct location_s): Remove.
3255         Remove all old-location code.
3256         (input_line, input_filename): Remove.
3257         * final.c (final_scan_insn): Remove old location code.
3258         * diagnostic.c (diagnostic_build_prefix): Remove
3259         USE_MAPPED_LOCATION test.
3260         * tree.h (gimple_stmt) <locus>: Now a location_t.
3261         (tree_exp) <locus>: Likewise.
3262         (DECL_IS_BUILTIN): Remove old-location variant.
3263         (annotate_with_file_line, annotate_with_locus): Likewise.
3264         (expr_locus, set_expr_locus): Update.
3265         * tree.c (build1_stat): Remove old location code.
3266         (last_annotated_node): Remove.
3267         (annotate_with_file_line): Remove old-location variant.
3268         (annotate_with_locus): Likewise.
3269         (expr_location): Remove old location code.
3270         (set_expr_location): Likewise.
3271         (expr_has_location): Likewise.
3272         (expr_locus): Likewise.
3273         (set_expr_locus): Likewise.
3274         (expr_filename): Don't use location_from_locus.
3275         (expr_lineno): Likewise.
3276         * rtl-error.c (location_for_asm): Remove old location code.
3277         * c-lex.c (cb_line_change): Remove old location code.
3278         (fe_file_change): Likewise.
3279         (cb_def_pragma): Likewise.
3280         (c_lex_with_flags): Likewise.
3281         * gengtype.c (do_typedef): Don't special-case location types.
3282         (define_location_structures): Remove.
3283         (main): Don't call define_location_structures.
3284         * tree-pretty-print.c (dump_implicit_edges): Remove old location
3285         code.
3286
3287 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3288
3289         PR 26264
3290         * builtins.def (BUILT_IN_STDARG_START): Remove.
3291         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
3292         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
3293         * tree-inline.c (inline_forbidden_p_1): Likewise.
3294         
3295 2008-02-26  Richard Guenther  <rguenther@suse.de>
3296
3297         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3298         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3299         (lookup_decl_from_uid): Declare.
3300         (remove_decl_from_map): Likewise.
3301         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3302         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3303         (decl_for_uid_map): New global hashtable mapping DECL_UID
3304         to the decl tree.
3305         (init_ttree): Allocate it.
3306         (insert_decl_to_uid_decl_map): New helper function.
3307         (make_node_stat): Insert new decls into the map.
3308         (copy_node_stat): Likewise.
3309         (lookup_decl_from_uid): New function.
3310         (remove_decl_from_map): Likewise.
3311         (print_decl_for_uid_map_statistics): New helper.
3312         (dump_tree_statistics): Call it.
3313
3314         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3315         (referenced_var_iterator): Adjust.
3316         (FOR_EACH_REFERENCED_VAR): Adjust.
3317         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3318         (num_referenced_vars): Adjust.
3319         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3320         (first_referenced_var): Remove.
3321         (end_referenced_vars_p): Likewise.
3322         (next_referenced_var): Likewise.
3323         (referenced_var_iterator_set): New helper function.
3324         * tree-dfa.c (referenced_var_lookup): Adjust.
3325         (referenced_var_check_and_insert): Likewise.
3326         (remove_referenced_var): Likewise.
3327         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3328         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3329         (verify_call_clobbering): Likewise.
3330         (verify_memory_partitions): Likewise.
3331         (init_tree_ssa): Allocate bitmap instead of hashtable for
3332         referenced_vars.
3333         (delete_tree_ssa): Adjust.
3334         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3335         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3336         (compute_tag_properties): Likewise.
3337         (set_initial_properties): Likewise.
3338         (find_partition_for): Likewise.
3339         (update_reference_counts): Likewise.
3340         (dump_may_aliases_for): Likewise.
3341         * tree-ssa-operands.c (add_virtual_operand): Likewise.
3342         (add_call_clobber_ops): Likewise.
3343         (add_call_read_ops): Likewise.
3344         (get_asm_expr_operands): Likewise.
3345         * tree-into-ssa.c (dump_decl_set): Likewise.
3346         (update_ssa): Likewise.
3347         * tree-sra.c (scan_function): Likewise.
3348         (decide_instantiations): Likewise.
3349         (scalarize_parms): Likewise.
3350         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3351         (dsa_named_for): Likewise.
3352         * tree-ssa-structalias.c (update_alias_info): Likewise.
3353         (merge_smts_into): Likewise.
3354
3355 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3356
3357         PR 34351
3358         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
3359         * c-opts.c (c_common_handle_option): Wall enables
3360         Wvolatile-register-var.
3361         * common.opt: Move Wvolatile-register-var to...
3362         * c.opt: ...here.
3363         
3364 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3365
3366         * common.opt (Wlarger-than=): New.
3367         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
3368         -Wlarger-than=.
3369         * opts.c (common_handle_option): Handle -Wlarger-than=.
3370         * optc-gen.awk: Likewise.
3371         * opth-gen.awk: Likewise.
3372         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
3373         * tree-optimize.c (tree_rest_of_compilation): Likewise.
3374         
3375 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3376
3377         * c-common.c (match_case_to_enum_1): Add appropriate
3378         OPT_W* parameter to warning.
3379         (c_do_switch_warnings): Likewise.
3380         * c-typeck.c (warning_init): Add one more parameter following
3381         'warning' function.
3382         (push_init_level): Update call to warning_init.
3383         (pop_init_level): Likewise.
3384         (add_pending_init): Likewise.
3385         (output_init_element: Likewise.
3386
3387 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3388
3389         PR 28322
3390         * toplev.c (toplev_main): If there are warnings or error, print
3391         errors for ignored options.
3392         * opts.c (ignored_options): New static variable.
3393         (postpone_unknown_option_error): New.
3394         (print_ignored_options): New.
3395         (handle_option): Postpone errors for unknown -Wno-* options.
3396         * opts.h (print_ignored_options): Declare.
3397         
3398 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
3399
3400         * config/mips/mips.md (loadgp_blockage, blockage): Change type
3401         to "ghost".
3402
3403 2008-02-25  Richard Guenther  <rguenther@suse.de>
3404
3405         Revert:
3406         2008-02-25  Richard Guenther  <rguenther@suse.de>
3407
3408         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3409         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3410         (lookup_decl_from_uid): Declare.
3411         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3412         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3413         (decl_for_uid_map): New global hashtable mapping DECL_UID
3414         to the decl tree.
3415         (init_ttree): Allocate it.
3416         (insert_decl_to_uid_decl_map): New helper function.
3417         (make_node_stat): Insert new decls into the map.
3418         (copy_node_stat): Likewise.
3419         (lookup_decl_from_uid): New function.
3420         (print_decl_for_uid_map_statistics): New helper.
3421         (dump_tree_statistics): Call it.
3422
3423         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3424         (referenced_var_iterator): Adjust.
3425         (FOR_EACH_REFERENCED_VAR): Adjust.
3426         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3427         (num_referenced_vars): Adjust.
3428         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3429         (first_referenced_var): Remove.
3430         (end_referenced_vars_p): Likewise.
3431         (next_referenced_var): Likewise.
3432         (referenced_var_iterator_set): New helper function.
3433         * tree-dfa.c (referenced_var_lookup): Adjust.
3434         (referenced_var_check_and_insert): Likewise.
3435         (remove_referenced_var): Likewise.
3436         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3437         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3438         (verify_call_clobbering): Likewise.
3439         (verify_memory_partitions): Likewise.
3440         (init_tree_ssa): Allocate bitmap instead of hashtable for
3441         referenced_vars.
3442         (delete_tree_ssa): Adjust.
3443         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3444         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3445         (compute_tag_properties): Likewise.
3446         (set_initial_properties): Likewise.
3447         (find_partition_for): Likewise.
3448         (update_reference_counts): Likewise.
3449         (dump_may_aliases_for): Likewise.
3450         * tree-ssa-operands.c (add_virtual_operand): Likewise.
3451         (add_call_clobber_ops): Likewise.
3452         (add_call_read_ops): Likewise.
3453         (get_asm_expr_operands): Likewise.
3454         * tree-into-ssa.c (dump_decl_set): Likewise.
3455         (update_ssa): Likewise.
3456         * tree-sra.c (scan_function): Likewise.
3457         (decide_instantiations): Likewise.
3458         (scalarize_parms): Likewise.
3459         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3460         (dsa_named_for): Likewise.
3461         * tree-ssa-structalias.c (update_alias_info): Likewise.
3462         (merge_smts_into): Likewise.
3463
3464 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
3465
3466         PR fortran/29549
3467         * doc/invoke.texi (-fcx-limited-range): Document new option.
3468         * toplev.c (process_options): Handle -fcx-fortran-rules.
3469         * common.opt: Add documentation for -fcx-fortran-rules.
3470
3471 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
3472
3473         PR c/35162
3474         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
3475         actual behaviour and C99.
3476         
3477 2008-02-26  Ben Elliston  <bje@au.ibm.com>
3478
3479         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
3480         (ASM_CPU_POWER6_SPEC): Likewise.
3481         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
3482         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
3483         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
3484
3485 2008-02-25  Richard Guenther  <rguenther@suse.de>
3486
3487         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3488         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3489         (lookup_decl_from_uid): Declare.
3490         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3491         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3492         (decl_for_uid_map): New global hashtable mapping DECL_UID
3493         to the decl tree.
3494         (init_ttree): Allocate it.
3495         (insert_decl_to_uid_decl_map): New helper function.
3496         (make_node_stat): Insert new decls into the map.
3497         (copy_node_stat): Likewise.
3498         (lookup_decl_from_uid): New function.
3499         (print_decl_for_uid_map_statistics): New helper.
3500         (dump_tree_statistics): Call it.
3501
3502         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3503         (referenced_var_iterator): Adjust.
3504         (FOR_EACH_REFERENCED_VAR): Adjust.
3505         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3506         (num_referenced_vars): Adjust.
3507         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3508         (first_referenced_var): Remove.
3509         (end_referenced_vars_p): Likewise.
3510         (next_referenced_var): Likewise.
3511         (referenced_var_iterator_set): New helper function.
3512         * tree-dfa.c (referenced_var_lookup): Adjust.
3513         (referenced_var_check_and_insert): Likewise.
3514         (remove_referenced_var): Likewise.
3515         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3516         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3517         (verify_call_clobbering): Likewise.
3518         (verify_memory_partitions): Likewise.
3519         (init_tree_ssa): Allocate bitmap instead of hashtable for
3520         referenced_vars.
3521         (delete_tree_ssa): Adjust.
3522         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3523         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3524         (compute_tag_properties): Likewise.
3525         (set_initial_properties): Likewise.
3526         (find_partition_for): Likewise.
3527         (update_reference_counts): Likewise.
3528         (dump_may_aliases_for): Likewise.
3529         * tree-ssa-operands.c (add_virtual_operand): Likewise.
3530         (add_call_clobber_ops): Likewise.
3531         (add_call_read_ops): Likewise.
3532         (get_asm_expr_operands): Likewise.
3533         * tree-into-ssa.c (dump_decl_set): Likewise.
3534         (update_ssa): Likewise.
3535         * tree-sra.c (scan_function): Likewise.
3536         (decide_instantiations): Likewise.
3537         (scalarize_parms): Likewise.
3538         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3539         (dsa_named_for): Likewise.
3540         * tree-ssa-structalias.c (update_alias_info): Likewise.
3541         (merge_smts_into): Likewise.
3542
3543 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
3544
3545         PR target/35258
3546         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
3547         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
3548         * alias.h (nonoverlapping_memrefs_p): Likewise.
3549
3550 2008-02-25  Jan Beulich  <jbeulich@novell.com>
3551
3552         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
3553         * config/i386/netware-libgcc.exp: Add __bswap?i2,
3554         __emultls_get_address, __emultls_register_common,
3555         __floatundi?f, and _Unwind_GetIPInfo.
3556         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
3557         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
3558         (gen_regparm_prefix): Likewise.
3559         (i386_nlm_encode_section_info): Sync with
3560         config/i386/winnt.c:i386_pe_encode_section_info().
3561         (i386_nlm_maybe_mangle_decl_assembler_name): New.
3562         i386_nlm_mangle_decl_assembler_name): New.
3563         (netware_override_options): New.
3564         * config/i386/netware.h (netware_override_options): Declare.
3565         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
3566         (i386_nlm_mangle_decl_assembler_name): Declare.
3567         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
3568
3569 2008-02-25  Ben Elliston  <bje@au.ibm.com>
3570
3571         PR other/32948
3572         * c-decl.c (grokdeclarator): Remove unused local variables
3573         `typedef_type' and `type_as_written'.
3574         * bb-reorder.c
3575         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
3576         unused local variable `has_hot_blocks'.
3577         (fix_crossing_conditional_branches): Remove unused local variable
3578         `prev_bb'.
3579         
3580 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
3581
3582         PR middle-end/19984
3583         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
3584         using DEF_C99_BUILTIN.
3585         (BUILT_IN_NANF): Ditto.
3586         (BUILT_IN_NANL): Ditto.
3587
3588 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
3589             Revital Eres  <eres@il.ibm.com>
3590
3591         * modulo-sched.c (calculate_must_precede_follow): Address TODO
3592         regarding the order of two dependent insns in the same row.
3593
3594 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
3595
3596         * stor-layout.c (layout_decl): Do not bump the alignment of a
3597         bit-field to more than byte alignment if it is packed.
3598
3599 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
3600
3601         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
3602         e300c2 and e300c3.
3603
3604 2008-02-24  Diego Novillo  <dnovillo@google.com>
3605
3606         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
3607
3608         PR 33738
3609         * tree-vrp.c (vrp_evaluate_conditional): With
3610         -Wtype-limits, emit a warning when comparing against a
3611         constant outside the natural range of OP0's type.
3612         * c.opt (Wtype-limits): Move ...
3613         * common.opt (Wtype-limits): ... here.
3614
3615 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
3616
3617         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
3618         * config/rs6000/e300c2c3.md: New file.
3619         * config/rs6000/rs6000.c (processor_costs): Add new costs for
3620         e300c2 and e300c3.
3621         (rs6000_override_options): Add e300c2 and e300c3 cases to
3622         processor_target_table. Do not allow usage of Altivec or Spe
3623         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
3624         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
3625         * config/rs6000/rs6000.h (processor_type): Add
3626         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
3627         (ASM_CPU_SPEC): Add e300c2 and e300c3.
3628         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
3629         and ppce300c3. Include e300c2c3.md.
3630
3631 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
3632
3633         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
3634         instead of TARGET_STRICT_ALIGN.
3635
3636 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
3637
3638         * explow.c (memory_address): Assert that the generated address is
3639         valid.
3640
3641 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3642
3643         PR target/25477
3644         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
3645         * config/darwin-ppc-ldouble-patch.def: New file.
3646         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
3647         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
3648         SUBTARGET_INIT_BUILTINS if defined.
3649         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
3650         New functions.
3651
3652 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3653
3654         PR rtl-opt/33512
3655         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
3656         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
3657
3658 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3659
3660         PR pch/35027
3661         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
3662         file" warning condtional on -Winvalid-PCH.
3663
3664 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
3665
3666         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
3667
3668 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
3669
3670         PR target/22076
3671         PR target/34256 
3672         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
3673         prevent reload from using MMX registers.
3674         (*mov<mode>_internal): Ditto.
3675         (*movv2sf_internal_rex64): Ditto.
3676         (*movv2sf_internal): Ditto.
3677
3678 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3679
3680         PR documentation/31569
3681         * doc/install.texi2html: Use makeinfo --no-number-sections.
3682
3683 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
3684
3685         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
3686         ensure that we can address an entire entity > 8 bytes.  Don't
3687         generate reg+reg addressing for such data.
3688
3689 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
3690
3691         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
3692         strings when optimizing for size, unless the target cares about
3693         alignment.
3694
3695 2008-02-22  Tom Tromey  <tromey@redhat.com>
3696
3697         * regclass.c (current_pass): Remove declaration.
3698
3699 2008-02-22  Anatoly Sokolov <aesok@post.ru>
3700
3701         * config/avr/libgcc.S (__RAMPZ__): Define.
3702         (__do_copy_data): Add for devices with 128KB code memory.
3703
3704 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
3705
3706         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
3707         Use spe_abi.
3708         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
3709
3710 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
3711
3712         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
3713         GENNONACR_REGS.
3714
3715 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3716
3717         PR c/19999
3718         * c-typeck.c (build_binary_op): Warn about floating point
3719         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
3720
3721 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
3722
3723         PR target/34526
3724         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
3725         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
3726         add vrsave.
3727         (rs6000_override_options): Set altivec_abi as default, not override,
3728         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
3729         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
3730         is used; use new member spe_abi.
3731         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
3732         spe_abi and altivec_abi.
3733
3734 2008-02-22  Tomas Bily  <tbily@suse.cz>
3735
3736         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
3737
3738 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3739
3740         PR bootstrap/35273
3741         * config.build (build_file_translate): Set to `CMD //c' only if
3742         it works.
3743         * Makefile.in (build_file_translate): Improve comment.
3744
3745 2008-02-21  Jan Hubicka  <jh@suse.cz>
3746
3747         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
3748         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
3749         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
3750
3751 2008-02-21  Michael Matz  <matz@suse.de>
3752
3753         PR target/35264
3754         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
3755
3756 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
3757
3758         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
3759         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
3760         as insn constraint.
3761         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
3762         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
3763         SSE_VEC_FLOAT_MODE_P as insn constraint.
3764         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
3765         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
3766         sse4a_movntdf using MODEF mode iterator.
3767         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
3768         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
3769         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
3770         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
3771         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
3772         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
3773         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
3774
3775 2008-02-21  Richard Guenther  <rguenther@suse.de>
3776
3777         * tree.def (PAREN_EXPR): New tree code.
3778         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
3779         and PAREN_EXPR.
3780         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
3781         * expr.c (expand_expr_real_1): Likewise.
3782         * tree-inline.c (estimate_num_insns_1): Likewise.
3783         * tree-complex.c (expand_complex_move): Likewise.
3784         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
3785         as plain x.
3786
3787 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
3788
3789         PR target/35225
3790         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
3791
3792 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
3793
3794         PR target/35190
3795         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
3796
3797         * config/sh/sh.c (find_barrier): Don't go past
3798         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
3799
3800 2008-02-20  DJ Delorie  <dj@redhat.com>
3801
3802         * config/h8300/h8300.md (insv): Force source operand to be a register.
3803
3804         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
3805         as a jump, not as a plain insn.
3806         
3807 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
3808
3809         * doc/invoke.texi (Warning Options): Add new option
3810         -Wframe-larger-than=.
3811         (-Wframe-larger-than): Document.
3812
3813         * flags.h (warn_frame_larger_than, frame_larger_than_size):
3814         Add declarations for new option variables.
3815
3816         * final.c (final_start_function): Check the frame size
3817         before emission and issue a Wframe-larger-than warning.
3818
3819         * opts.c (warn_frame_larger_than, frame_larger_than_size):
3820         Add definitions for new option variables.
3821         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
3822
3823         * common.opt (Wframe-larger-than=): New option.
3824
3825 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
3826
3827         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
3828         (<sse>_div<mode>3): Ditto.
3829         (<sse>_vmdiv<mode>3): Ditto.
3830         (<sse>_vmsqrt<mode>2): Ditto.
3831         (*smax<mode>3): Ditto.
3832         (sse5_frcz<mode>2): Ditto.
3833         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
3834         as insn constraint.
3835
3836 2008-02-20  Richard Guenther  <rguenther@suse.de>
3837
3838         PR middle-end/35265
3839         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
3840         be happy with INTEGRAL_TYPE_P.
3841
3842 2008-02-20  Richard Guenther  <rguenther@suse.de>
3843
3844         * fold-const.c (split_tree): Associate floatig-point expressions
3845         if flag_associative_math is set.
3846
3847 2008-02-20  Richard Guenther  <rguenther@suse.de>
3848
3849         * tree.h (fold_real_zero_addition_p): Declare.
3850         * fold-const.c (fold_real_zero_addition_p): Export.
3851         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
3852         floating-point operations with zero and one.
3853
3854 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
3855
3856         * doc/install.texi: Correct references to CFLAGS, replacing them
3857         with BOOT_CFLAGS.  Document flags used during bootstrap for
3858         target libraries.
3859                                 
3860 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
3861
3862         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
3863         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
3864         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
3865         insn constraint.
3866         (smin<mode>3): Ditto from similar patterns.
3867         (smax<mode>3): Ditto.
3868         (*ieee_smin<mode>3): Ditto.
3869         (*ieee_smax<mode>3): Ditto.
3870         * config/i386/sse.md (sse): New mode attribute.
3871         (mov<mode>): Macroize expander from movv4sf and movv2df using
3872         SSEMODEF2P mode iterator.
3873         (<sse>_movnt<mode>): Ditto from similar patterns. Use
3874         SSE_VEC_FLOAT_MODE_P as insn constraint.
3875         (storent<mode>): Ditto.
3876         (storent<mode>): Macroize expander from storentsf and storentdf using
3877         MODEF mode iterator.
3878         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
3879         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
3880         (abs<mode>2): Ditto from similar patterns.
3881         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
3882         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
3883         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
3884         (<sse>_vmsqrt<mode>2): Ditto.
3885         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
3886         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
3887         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
3888         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
3889         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
3890         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
3891         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
3892         insn constraint.
3893         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
3894         iterator and SSE_FLOAT_MODE_P as insn constraint.
3895         (<sse>_ucomi): Ditto from similar patterns.
3896         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
3897         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
3898         SSE_VEC_FLOAT_MODE_P as insn constraint.
3899         (vcond<mode>): Ditto from similar patterns.
3900         (and<mode>3, *and<mode>3): Ditto.
3901         (<sse>_nand<mode>3): Ditto.
3902         (ior<mode>3, *ior<mode>3): Ditto.
3903         (xor<mode>3, *xor<mode>3): Ditto.
3904         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
3905         iterator and SSE_FLOAT_MODE_P as insn constraint.
3906         (*nand<mode>3): Ditto from similar patterns.
3907         (*ior<mode>3): Ditto.
3908         (*xor<mode>3): Ditto.
3909
3910 2008-02-20  Ira Rosen  <irar@il.ibm.com>
3911
3912         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
3913         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
3914         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
3915
3916 2008-02-19  Jan Hubicka  <jh@suse.cz>
3917
3918         * predict.c (tree_bb_level_predictions): Remove variable next
3919         mistakely introduced by previous commit.
3920
3921 2008-02-19  Jan Hubicka  <jh@suse.cz>
3922
3923         * predict.c (predict_paths_leading_to): Rewrite.
3924         (predict_paths_for_bb): New.
3925         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
3926
3927 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3928
3929         PR bootstrap/35218
3930         * Makefile.in (build_file_translate): New.
3931         (gcc-vers.texi): Use it for translating $(abs_srcdir).
3932         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
3933         * configure.ac (build_file_translate): Substitute it.
3934         * configure: Regenerate.
3935
3936 2008-02-19  Jan Hubicka  <jh@suse.cz>
3937
3938         PR rtl-optimization/34408
3939         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
3940         invalid sharing.
3941
3942 2008-02-19  Jan Hubicka  <jh@suse.cz>
3943
3944         PR middle-end/28779
3945         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
3946         call_expr.
3947
3948 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
3949
3950         PR Ada/35186
3951         * config/i386/i386-modes.def: Revert the last DI alignment
3952         change until Ada people can look into it.
3953
3954 2008-02-19  Nick Clifton  <nickc@redhat.com>
3955
3956         * opts.c (print_specific_help): Fix typo in --help text.
3957
3958 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
3959
3960         PR target/35239
3961         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
3962         32-bit inline asm without asm alternatives for host GCC < 3.0.
3963
3964 2008-02-19  Richard Guenther  <rguenther@suse.de>
3965
3966         PR tree-optimization/34989
3967         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
3968         Allow propagation to INDIRECT_REF if we can simplify only.
3969
3970 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3971
3972         * c-common.c (warn_for_collisions_1): Use appropriate option when
3973         warning.
3974
3975 2008-02-19  Nick Clifton  <nickc@redhat.com>
3976
3977         PR other/31349
3978         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
3979         (handle_options): Fix indentation.
3980         (print_filtered_help): If no language-specific options were
3981         displayed tell the user how to list all the options supported by
3982         the language's front-end.
3983         (print_specific_help): Fix indentation and remove duplicate line.
3984         (common_handle_option): Handle the -v option.
3985         For --help enable the display of undocumented options if the -v
3986         switch has been included on the command line.
3987         For --help= check for overlaps in the arguments between the option
3988         classes and the language names and issue a warning when they
3989         cannot be disambiguated.
3990         * c.opt (v): Pass on to the common option handler.
3991
3992 2008-02-19  Revital Eres  <eres@il.ibm.com> 
3993
3994    &