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1 2008-04-07  Kai Tietz  <kai.tietz@onevision.com>
2
3         PR/35842
4         * config/i386/i386.c (legitimize_pic_address): Add treating
5         of dllimport SYM_REF's.
6         (legitimize_dllimport_symbol): Add prototype.
7
8 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
9
10         * fold-const.c (fold) <ARRAY_REF>: New case.  Try to fold constant
11         reference in constructor with non self-referential type.
12
13 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
14
15         Removal of Return with Depressed Stack Pointer support
16         * tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete.
17         (ECF_SP_DEPRESSED): Likewise.
18         (ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust.
19         * calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED.
20         (flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED.
21         (expand_call): Do not test ECF_SP_DEPRESSED.
22         * dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED.
23         * function.c (keep_stack_depressed): Delete.
24         (handle_epilogue_set): Likewise.
25         (update_epilogue_consts): Likewise.
26         (emit_equiv_load): Likewise.
27         (thread_prologue_and_epilogue_insns): Remove support for Return with
28         Depressed Stack Pointer.
29         * print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED.
30
31 2008-04-06  Richard Guenther  <rguenther@suse.de>
32
33         PR tree-optimization/35400
34         * tree-vrp.c (vrp_evaluate_conditional): Only query value-range
35         information from SSA_NAMEs.
36
37 2008-04-06  Anatoly Sokolov <aesok@post.ru>
38
39         * config/avr/avr.h (avr_mega_p): Remove declaration.
40         (AVR_MEGA): Remove macro.
41         * config/avr/avr.c (avr_mega_p): Remove variable.
42         (avr_override_options): Remove inicializion of avr_mega_p.
43         Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
44         (print_operand): Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
45         (avr_jump_mode): (Ditto.).
46         (avr_output_progmem_section_asm_op): (Ditto.).
47         (avr_asm_init_sections): (Ditto.).
48         (avr_asm_init_sections): (Ditto.).
49         (avr_rtx_costs): (Ditto.).
50         * config/avr/avr.md: (Ditto.).
51         * config/avr/avr.h: Use '__AVR_HAVE_JMP_CALL__' instead of 
52         '__AVR_MEGA__'.
53
54 2008-04-06  Richard Guenther  <rguenther@suse.de>
55
56         PR tree-optimization/35842
57         * tree-ssa-address.c (fixed_address_object_p): Adjust to match
58         is_gimple_invariant_address.
59
60 2008-04-06  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
61
62         * gcc.c (default_compilers): Sync Fortran extensions list with
63         that in fortran/lang-specs.h.
64         * doc/invoke.texi: Likewise.
65         * dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
66         * dwarf2out.c (gen_compile_unit_die): Likewise.
67
68 2008-04-06  Tom G. Christensen  <tgc@jupiterrise.com>
69
70         * gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &.
71
72 2008-04-05  Uros Bizjak  <ubizjak@gmail.com>
73
74         PR target/12329
75         * config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
76         attribute is used for nested functions.
77
78 2008-04-05  Jan Hubicka  <jh@suse.cz>
79
80         * emit-rtl.c (init_emit): xcalloc regno_pointer_align.
81
82         * tree-dump.c (dump_enable_all): Remove prototype; do not accept
83         letter argument.
84         (dump_files): Update.
85         (enable_rtl_dump_file): Do not accept letter argument.
86         * tree-pass.h (dump_file_info): Remove letter argument.
87         * toplev.c (decode_d_option): Update -da handling.
88         * toplev.h (enable_rtl_dump_file): Update prototype.
89         * passes.c (register_one_dump_file): Do not accept IPA argument; work
90         it out based on pass type.
91         (register_dump_files_1): Likewise.
92         (init_optimization_passes): Update register_one_dump_file calls.
93         (execute_one_pass): Sanity check that IPA passes are called at IPA
94         level and RTL passes at RTL level.
95         (execute_pass_list): IPA pass can not be after or subpass of
96         GIMPLE/RTL pass.
97         (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
98         disallov RTL subpasses of IPA subpasses.
99
100 2008-04-05  Ben Elliston  <bje@au.ibm.com>
101
102         * tree-cfg.c (need_fake_edge_p): Return false for calls to
103         builtins that return exactly once and do not throw. Cache call to
104         call_expr_flags.
105
106 2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>
107
108         PR rtl-optimization/34916
109         PR middle-end/35519
110         * combine.c (create_log_links): Do not create duplicate LOG_LINKS
111         between instruction pairs.
112
113 2008-04-04  Naveen.H.S  <naveen.hs@kpitcummins.com>
114
115         * doc/invoke.texi: Document -mbitops for SH.
116         * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
117         * config/sh/predicates.md (bitwise_memory_operand): New predicate.
118         * config/sh/sh.c (print_operand): Add %t operand code.
119         * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
120         * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
121         (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
122         (extendqihi2): Likewise.
123         (movqi_i): Likewise.
124         (insv): Use bset, bclr and bst instructions for SH2A if possible.
125         (extv): Use bld instruction for SH2A if possible.
126         (extzv): Likewise.
127         (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
128         bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
129         bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
130         (bset.b, bclr.b): Define peepholes.
131         * config/sh/sh.opt (mbitops): New option.
132
133 2008-04-04  Janis Johnson  <janis187@us.ibm.com>
134
135         PR target/35620
136         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
137         and view convert expression.
138
139 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
140
141         PR target/35364
142         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
143
144 2008-04-04  H.J. Lu  <hongjiu.lu@intel.com>
145
146         * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.
147
148         * config/i386/cpuid.h (bit_AES): New.
149         (bit_PCLMUL): Likewise.
150
151         * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
152         (override_options): Handle PTA_AES and PTA_PCLMUL.  Enable
153         SSE2 if AES or PCLMUL is enabled.
154         (ix86_builtins): Add IX86_BUILTIN_AESENC128,
155         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
156         IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
157         IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
158         (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
159         (bdesc_2arg): Add IX86_BUILTIN_AESENC128,
160         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
161         IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
162         (bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
163         (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
164         __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
165         __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
166         __builtin_ia32_aeskeygenassist128 and
167         __builtin_ia32_pclmulqdq128.
168         * config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
169         (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
170         IX86_BUILTIN_PSRLDQI128.  Handle IX86_BUILTIN_AESKEYGENASSIST128.
171
172         * config/i386/i386.h (TARGET_AES): New.
173         (TARGET_PCLMUL): Likewise.
174         (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.
175
176         * config/i386/i386.md (UNSPEC_AESENC): New.
177         (UNSPEC_AESENCLAST): Likewise.
178         (UNSPEC_AESDEC): Likewise.
179         (UNSPEC_AESDECLAST): Likewise.
180         (UNSPEC_AESIMC): Likewise.
181         (UNSPEC_AESKEYGENASSIST): Likewise.
182         (UNSPEC_PCLMUL): Likewise.
183
184         * config/i386/i386.opt (maes): New.
185         (mpclmul): Likewise.
186
187         * config/i386/sse.md (aesenc): New pattern.
188         (aesenclast): Likewise.
189         (aesdec): Likewise.
190         (aesdeclast): Likewise.
191         (aesimc): Likewise.
192         (aeskeygenassist): Likewise.
193         (pclmulqdq): Likewise.
194
195         * config/i386/wmmintrin.h: New.
196
197         * doc/extend.texi: Document AES and PCLMUL built-in function.
198
199         * doc/invoke.texi: Document -maes and -mpclmul.
200
201 2008-04-04  Paolo Bonzini  <bonzini@gnu.org>
202
203         * function.c (free_after_parsing): Replace with
204         cxx_push_function_context from C++ front-end.
205         (allocate_struct_function): Don't call langhook.
206         * langhooks.h (struct lang_hooks_for_functions): Delete.
207         (struct lang_hooks): Add back missing_noreturn_ok_p here, delete
208         member "function".
209         * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
210         (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
211         LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
212         LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
213         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
214         remove LANG_HOOKS_FUNCTION_INITIALIZER.
215         * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.
216
217         * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
218         Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
219         
220 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
221
222         PR c/35440
223         * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
224         for all types.
225
226 2008-04-04  Richard Guenther  <rguenther@suse.de>
227
228         PR middle-end/35823
229         * fold-const.c (optimize_minmax_comparison): Use the correct
230         type for the constant in the simplified comparison.
231
232 2008-04-04  Zuxy Meng <zuxy.meng@gmail.com>
233
234         * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
235         Pass L2 size as "--param l2-cache-size" to the compiler.
236         (decode_l2_cache): New function to decode L2 cache parameters using
237         0x8000006 extended cpuid function.
238         (detect_caches_amd): Determine parameters of L2 cache using
239         decode_l2_caches function.
240         (decode_caches_intel): Decode L2 cache parameters.
241         (detect_caches_intel): Determine L2 cache parameters using
242         decode_caches_intel and decode_l2_caches functions.
243
244 2008-04-03  Bob Wilson  <bob.wilson@acm.org>
245
246         * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
247         secondary input reload for subword loads from the constant pool.
248
249 2008-04-03  Janis Johnson  <janis187@us.ibm.com>
250
251         PR target/35713
252         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
253           constants of the appropriate size for runtime calculations.
254
255         PR c/35712
256         * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
257           decimal-float literal constant zero.
258
259 2008-04-03  Jakub Jelinek  <jakub@redhat.com>
260
261         PR c/35738
262         * c-parser.c (c_parser_omp_atomic): Call
263         default_function_array_conversion on the RHS.
264
265         PR middle-end/35818
266         * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
267         call is_variable_sized if decl has incomplete type.
268
269 2008-04-03  H.J. Lu  <hongjiu.lu@intel.com>
270
271         * config/i386/i386-protos.h (ix86_aligned_p): Removed.
272
273 2008-04-03  Adam Nemet  <anemet@caviumnetworks.com>
274
275         * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
276         iterators.
277         (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and
278         leu.
279         (sgt<u>): Merge sgt and sgtu into new expander.
280         (sgt, sgtu): Remove expanders.
281         (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new
282         pattern.
283         (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
284         (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
285         *sgtu_<mode>_mips16 into new pattern.
286         (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
287         (sge<u>): Merge sge and sgeu into new expander.
288         (sge, sgeu): Remove expanders.
289         (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
290         new pattern.
291         (*sge_<mode>, second *sge_<mode>): Remove patterns.
292         (slt<u>): Merge slt and sltu into new expander.
293         (slt, sltu): Remove expanders.
294         (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new
295         pattern.
296         (*slt_<mode>, *sltu_<mode>): Remove patterns.
297         (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
298         *sltu_<mode>_mips16 into new pattern.
299         (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
300         (sle<u>): Merge sle and sleu into new expander.
301         (sle, sleu): Remove expanders.
302         (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new
303         pattern.
304         (*sle_<mode>, *sleu_<mode>): Remove patterns.
305         (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
306         *sleu_<mode>_mips16 into new pattern.
307         (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
308
309 2008-04-03  Jan Hubicka  <jh@suse.cz>
310
311         PR tree-optimization/35795
312         * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
313         * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
314         * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
315         * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
316         * score/score3.c (score3_output_mi_thunk): Likewise.
317         * score/score7.c (score7_output_mi_thunk): Likewise.
318         * mips/mips.c (mips_output_mi_thunk): Likewise.
319
320 2008-04-03  Richard Guenther  <rguenther@suse.de>
321
322         * tree-vrp.c (extract_range_from_unary_expr): Handle all
323         conversions.  Simplify code.
324
325 2008-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
326
327         * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
328
329 2008-04-03  Tom Tromey  <tromey@redhat.com>
330             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
331
332         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
333         * config/bfin/t-bfin-linux (generated_files): Add
334         linux-sysroot-suffix.h.
335         * doc/install.texi (Prerequisites): Require make 3.80.
336         * doc/sourcebuild.texi (Front End Directory): Document new
337         variable.
338         * Makefile.in (generated_files): New variable.
339         (ALL_HOST_OBJS): New variable.
340         ($(ALL_HOST_OBJS)): New target.
341
342 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
343
344         * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
345         (remap_block): Call id->transform_lang_insert_block instead
346         of langhook.
347         (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
348         Set id.transform_lang_insert_block to NULL.
349         (clone_body): Move to cp/optimize.c
350         * tree-inline.h (struct copy_body_data): Change
351         transform_lang_insert_block to function pointer.
352         (copy_generic_body, copy_decl_no_change): Export.
353         * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
354         * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
355         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
356
357         * c-tree.h (insert_block): Kill.
358         * c-decl.c (insert_block): Kill.
359
360 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
361
362         * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
363         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
364         * c-tree.h (c_push_function_context, c_pop_function_context): Remove
365         argument.
366         * c-decl.c (c_push_function_context, c_pop_function_context): Remove
367         argument, call {push,pop}_function_context from here.
368         * c-parser.c: Use c_{push,pop}_function_context.
369
370         * function.c (push_function_context_to): Move meat ...
371         (push_function_context): ... here.  Simplify.
372         * function.c (pop_function_context_from): Move meat ...
373         (pop_function_context): ... here.  Simplify.
374         * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
375         leave_nested).
376         * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
377         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
378         (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
379         * tree.h (push_function_context_to, pop_function_context_from): Remove.
380
381 2008-04-03  Ben Elliston  <bje@au.ibm.com>
382
383         * expmed.c (extract_force_align_mem_bit_field): Remove.
384
385 2008-04-03  Richard Guenther  <rguenther@suse.de>
386
387         PR middle-end/35800
388         * expr.h (try_casesi): Adjust prototype.
389         * expr.c (try_casesi): Take fallback label as extra parameter.
390         Use that for gen_casesi if default_label is NULL.
391         * stmt.c (expand_case): Pass fallback label to try_casesi,
392         make sure to fill gaps with a fallback label if default_label
393         is not present.
394
395 2008-04-03  Dominique d'Humieres <dominiq@lps.ens.fr>
396
397         PR target/35801
398         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
399
400 2008-04-03  Ben Elliston  <bje@au.ibm.com>
401
402         * expmed.c (extract_split_bit_field): Remove if (0) code.
403         * tree-ssa-structalias.c (do_sd_constraint): Likewise.
404         (do_ds_constraint): Likewise.
405
406 2008-04-02  Joseph Myers  <joseph@codesourcery.com>
407
408         * doc/cppopts.texi (-dU): Document.
409         * c-common.h (flag_dump_macros): Update comment.
410         * c-opts.c (handle_OPT_d): Handle -dU.
411         * c-ppoutput.c (macro_queue, define_queue, undef_queue,
412         dump_queued_macros, cb_used_define, cb_used_undef): New.
413         (init_pp_output): Handle -dU.
414         (cb_line_change): Call dump_queued_macros.
415         * toplev.c (decode_d_option): Accept -dU as preprocessor option.
416
417 2008-04-02  Anatoly Sokolov <aesok@post.ru>
418
419         * config/avr/predicates.md (io_address_operand): New predicate. 
420         * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
421         * config/avr/avr.c (avr_io_address_p): Remove function.
422         (out_movqi_r_mr): Use 'io_address_operand' predicate instead of 
423         'avr_io_address_p' function.
424         (out_movhi_r_mr): (Ditto.).
425         (out_movqi_mr_r): (Ditto.).
426         (out_movhi_mr_r): (Ditto.).
427         (avr_address_cost): (Ditto.).
428
429 2008-04-02  Uros Bizjak  <ubizjak@gmail.com>
430
431         * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
432         Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
433         in 32bit mode when XMM registers are available to avoid store
434         forwarding stalls.
435         (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
436         corresponding post-reload splitters.
437
438 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
439
440         * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
441         and __builtin_ia32_shufpd.  Provide __builtin_ia32_roundsd and
442         __builtin_ia32_roundss.
443         (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
444         __builtin_ia32_shufpd, __builtin_ia32_roundsd and
445         __builtin_ia32_roundss.
446         (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
447         IX86_BUILTIN_SHUFPD here.
448
449 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
450
451         * config/i386/i386.md (plogic): New.
452         (plogicprefix): Likewise.
453
454         * config/i386/mmx.md (mmx_<code><mode>3): New.
455         (mmx_and<mode>3): Removed.
456         (mmx_ior<mode>3): Likewise.
457         (mmx_xor<mode>3): Likewise.
458
459         * config/i386/sse.md (<code><mode>3): New.
460         (*<code><mode>3): Likewise.
461         (*<code><mode>3): Likewise.
462         (<code><mode>3): Likewise.
463         (*sse_<code><mode>3): Likewise.
464         (*sse2_<code><mode>3): Likewise.
465         (<code>tf3): Likewise.
466         (*<code>tf3): Likewise.
467         (and<mode>3): Likewise.
468         (*and<mode>3): Likewise.
469         (ior<mode>3): Removed.
470         (*ior<mode>3): Likewise.
471         (xor<mode>3): Likewise.
472         (*xor<mode>3): Likewise.
473         (*and<mode>3): Likewise.
474         (*ior<mode>3): Likewise.
475         (*xor<mode>3): Likewise.
476         (and<mode>3): Likewise.
477         (*sse_and<mode>3): Likewise.
478         (*sse2_and<mode>3): Likewise.
479         (andtf3): Likewise.
480         (*andtf3): Likewise.
481         (ior<mode>3): Likewise.
482         (*sse_ior<mode>3): Likewise.
483         (*sse2_ior<mode>3): Likewise.
484         (iortf3): Likewise.
485         (*iortf3): Likewise.
486         (xor<mode>3): Likewise.
487         (*sse_xor<mode>3): Likewise.
488         (*sse2_xor<mode>3): Likewise.
489         (xortf3): Likewise.
490         (*xortf3): Likewise.
491
492 2008-04-02  Richard Guenther  <rguenther@suse.de>
493
494         PR tree-optimization/14495
495         PR tree-optimization/34793
496         * tree-vrp.c (struct switch_update): New structure.
497         (to_remove_edges, to_update_switch_stmts): New VECs.
498         (simplify_switch_using_ranges): New function.  Remove not taken
499         case labels and edges.
500         (simplify_stmt_using_ranges): Call it.
501         (identify_jump_threads): Mark edges we have queued for removal
502         so we don't thread them.
503         (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
504         case label vector.
505         * tree-cfg.c (group_case_labels): Deal with missing default label.
506         (tree_verify_flow_info): Allow missing default label.
507         * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
508         (emit_case_nodes): Likewise.
509         (expand_case): Do not rely on the default label to be present.
510         * expr.c (try_casesi): Deal with NULL default_label.
511         (do_tablejump): Likewise.
512
513 2008-04-02  Richard Guenther  <rguenther@suse.de>
514
515         PR tree-optimization/14495
516         * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
517         SWITCH_EXPR here ...
518         (vrp_visit_switch_stmt): ... but here (new function).
519         (find_case_label_index): New helper function.
520         (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
521
522 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
523
524         * fwprop.c: Fix ISO-C99ism.
525
526 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
527
528         PR bootstrap/35752
529         * Makefile.in (objdir): Set it here.
530         * configure.ac: Not here.  Find dynamic linker characteristics.
531         * exec-tool.in: Use them.
532         * aclocal.m4: Regenerate.
533         * configure: Regenerate.
534
535 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
536
537         * expr.c (expand_var): Delete it.
538         * expr.h (expand_var): Delete prototype.
539         * function.c (expand_function_start): Use expand_decl instead.
540         * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
541         langhook.
542
543 2008-04-02  Andy Hutchinson <hutchinsonamdy@aim.com>
544
545         PR rtl-optimization/35542
546         * fwprop.c (forward_propagate_and_simplify): Replace
547         loc_reg_mentioned_in_p with reg_mentioned_p.
548
549 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
550
551         PR rtl-optimization/35281
552         * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
553         (propagate_rtx_1): Handle PR_HANDLE_MEM.
554         (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
555         (varying_mem_p): Move above propagate_rtx.
556         (all_uses_available_at): Do not check MEMs.
557
558 2008-04-02  Rafael Espindola  <espindola@google.com>
559
560         * tree-vrp.c (extract_code_and_val_from_cond): Remove.
561         (register_edge_assert_for_2): Split the cond argument.
562         (register_edge_assert_for_1): Adjust for the change in
563         register_edge_assert_for_2.
564         (register_edge_assert_for): Split the cond argument.
565         (find_switch_asserts): Adjust for the change in
566         register_edge_assert_for.
567
568 2008-04-02  Kai Tietz  <kai.tietz@onevision.com>
569
570         * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
571         * gcc/config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
572         offsets for 64-bit mingw.
573         * gcc/config/i386/i386.c (ix86_pass_by_reference): Correct calling
574         abi for x86_64-pc-mingw.
575
576 2008-04-02  Richard Guenther  <rguenther@suse.de>
577
578         * tree-vrp.c (extract_range_from_assert): Make sure to not
579         produce range min/max with TREE_OVERFOW set.
580         If merging a anti-range and a range keep the anti-range if
581         the range covers all values of the type.
582         (register_edge_assert_for_2): Only allow sign-changing
583         conversions in detecting canonical range checks.  Also
584         register an assert for the unsigned name if useful.
585
586         PR tree-optimization/35787
587         * tree-vrp.c (vrp_val_max): New function.
588         (vrp_val_min): Likewise.
589         (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
590         (vrp_val_is_min): Likewise.
591         (supports_overflow_infinity): Use vrp_val_{min,max}.
592         (negative_overflow_infinity): Likewise.
593         (positive_overflow_infinity): Likewise.
594         (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
595         (is_positive_overflow_infinity): Likewise.
596         (is_overflow_infinity): Likewise.
597         (avoid_overflow_infinity): Use vrp_val_{min,max} and
598         vrp_val_is_{min,max}.
599         (set_and_canonicalize_value_range): Canonicalize anti-ranges
600         to ranges if possible.  Avoid empty ranges.
601
602 2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
603
604         PR middle-end/35705
605         * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
606         the expression is a function address.
607
608 2008-04-01  George Helffrich  <george@gcc.gnu.org>
609
610         PR fortran/PR35154, fortran/PR23057
611         * fortran/trans-common.c (create_common):  Add decl to function
612         chain to preserve identifier scope in debug output.
613
614         * dbxout.c: Emit .stabs debug info for Fortran COMMON block
615         variables as base symbol name + offset using N_BCOMM/N_ECOMM.
616         (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
617         (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
618         in common.
619         (dbxout_syms): Check for COMMON-based symbol and wrap in
620         N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
621         in bracket for efficiency.
622
623         * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
624         using DW_TAG_common_block + member offset.
625         (add_pubname_string): New function.
626         (dw_expand_expr): New function to find block name and offset for
627         COMMON var.
628         (common_check): New function to check whether symbol in Fortran COMMON.
629         (gen_variable_die): If COMMON, use DW_TAG_common_block.
630
631         * testsuite/gcc.dg/debug/pr35154.c:  New test to check that non-Fortran
632         use of common is unchanged.
633
634         * testsuite/lib/gfortran-dg.exp:  New harness to compile Fortran progs
635         with all combinations of debug options available on target.
636         * testsuite/gfortran.dg/debug/debug.exp:  Ditto.
637         * testsuite/gfortran.dg/debug/trivial.f:  Ditto.
638         * testsuite/gfortran.dg/debug/pr35154-stabs.f:  New test case for
639         .stabs functionality.
640         * testsuite/gfortran.dg/debug/pr35154-dwarf2.f:  New test case for
641         DWARF functionality.
642
643 2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>
644
645         PR c/35436
646         * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
647
648 2008-04-02  Ben Elliston  <bje@au.ibm.com>
649
650         * config/v850/v850.md (casesi): Remove if (0) code.
651         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
652         * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
653
654 2008-04-01  Uros Bizjak  <ubizjak@gmail.com>
655
656         * config/i386/i386.md (rex64suffix): New mode attribute.
657         (floathi<mode>2): Disable expander for SSE math.
658         (*floathi<mode>2_1): New insn insn_and_split pattern.
659         (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
660         corresponding post-reload splitters.
661         (*floathi<mode>2_i387): New macroized insn pattern.
662         (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
663         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
664         insn_and_split pattern.
665         (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
666         New macroized instruction patterns and corresponding post-reload
667         splitters.
668         (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
669         and corresponding post-reload splitters.
670         (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
671         New macroized instruction patterns.
672         (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
673         macroized instruction patterns and corresponding post-reload splitters.
674         (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
675         corresponding post-reload splitters.
676         (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
677         New macroized instruction patterns.
678         (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
679         corresponding post-reload splitters.
680         (*floatsi<mode>2_i387): New macroized instruction patterns.
681
682 2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>
683
684         * config/i386/i386.md (smaxmin): New.
685         (umaxmin): Likewise.
686         (maxminiprefix): Likewise.
687         (maxminfprefix): Likewise.
688         (<code><mode>3): Likewise.
689         (smin<mode>3): Removed.
690         (smax<mode>3): Likewise.
691
692         * config/i386/mmx.md (mmx_<code>v2sf3): New.
693         (mmx_<code>v4hi3): Likewise.
694         (mmx_<code>v8qi3): Likewise.
695         (mmx_smaxv2sf3): Removed.
696         (mmx_sminv2sf3): Likewise.
697         (mmx_umaxv8qi3): Likewise.
698         (mmx_smaxv4hi3): Likewise.
699         (mmx_uminv8qi3): Likewise.
700         (mmx_sminv4hi3): Likewise.
701
702         * config/i386/sse.md (<addsub><mode>3): New.
703         (*<addsub><mode>3): Likewise.
704         (<sse>_vm<addsub><mode>3): Likewise.
705         (<maxmin><mode>3): Likewise.
706         (*<maxmin><mode>3_finite): Likewise.
707         (*<maxmin><mode>3): Likewise.
708         (<sse>_vm<maxmin><mode>3): Likewise.
709         (sse3_h<addsub>v4sf3): Likewise.
710         (sse3_h<addsub>v2df3): Likewise.
711         (<maxmin>v16qi3): Likewise.
712         (*<maxmin>v16qi3): Likewise.
713         (<maxmin>v8hi3): Likewise.
714         (*<maxmin>v8hi3): Likewise.
715         (*sse4_1_<maxmin><mode>3): Likewise.
716         (*sse4_1_<maxmin><mode>3): Likewise.
717         (add<mode>3): Removed.
718         (*add<mode>3): Likewise.
719         (<sse>_vmadd<mode>3): Likewise.
720         (sub<mode>3): Likewise.
721         (*sub<mode>3): Likewise.
722         (<sse>_vmsub<mode>3): Likewise.
723         (smin<mode>3): Likewise.
724         (*smin<mode>3_finite): Likewise.
725         (*smin<mode>3): Likewise.
726         (<sse>_vmsmin<mode>3): Likewise.
727         (smax<mode>3): Likewise.
728         (*smax<mode>3_finite): Likewise.
729         (*smax<mode>3): Likewise.
730         (<sse>_vmsmax<mode>3): Likewise.
731         (sse3_haddv4sf3): Likewise.
732         (sse3_haddv2df3): Likewise.
733         (sse3_hsubv4sf3): Likewise.
734         (sse3_hsubv2df3): Likewise.
735         (umaxv16qi3): Likewise.
736         (*umaxv16qi3): Likewise.
737         (smaxv8hi3): Likewise.
738         (*smaxv8hi3): Likewise.
739         (*sse4_1_smax<mode>3): Likewise.
740         (*sse4_1_umax<mode>3): Likewise.
741         (uminv16qi3): Likewise.
742         (*uminv16qi3): Likewise.
743         (sminv8hi3): Likewise.
744         (*sminv8hi3): Likewise.
745         (*sse4_1_smin<mode>3): Likewise.
746         (*sse4_1_umin<mode>3): Likewise.
747
748 2008-04-01  Rafael Espindola  <espindola@google.com>
749
750         * tree-cfg.c (verify_expr): remove in_phi.
751         (verify_stmt): Don't call walk_tree with verify_expr. Use
752         is_gimple_min_invariant instead of is_gimple_val.
753
754 2008-04-01  Joseph Myers  <joseph@codesourcery.com>
755
756         * doc/include/gpl_v3.texi: Update for manpage generation.
757         * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
758         gpl.texi.
759         * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
760         * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
761         gpl_v3.texi instead of gpl.texi.
762         (gpl.pod): New.
763
764 2008-04-01  Jakub Jelinek  <jakub@redhat.com>
765
766         PR pch/13675
767         * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
768
769 2008-04-01  Rafael Espindola  <espindola@google.com>
770
771         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
772         (extract_code_and_val_from_cond): Use
773         extract_code_and_val_from_cond_with_ops.
774
775 2008-04-01  Jan Hubicka  <jh@suse.cz>
776
777         * function.c (free_after_compilation): Free epilogue_delay_list.
778         (prepare_function_start): Assert that previous compilation was freed.
779
780 2008-04-01  Jan Hubicka  <jh@suse.cz>
781             Jim Wilson  <wilson@tuliptree.org>
782             Andreas Tobler <andreast@gcc.gnu.org>
783
784         PR middle-end/35781
785         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
786         rtl.emit instead cfun->emit.
787         * sparc/sparc.h (INIT_EXPANDERS): Likewise.
788         * ia64/ia64.h (INIT_EXPANDERS): Likewise.
789
790 2008-04-01  Ben Elliston  <bje@au.ibm.com>
791
792         * doc/c-tree.texi (Function Basics): Fix grammatical error.
793
794 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
795
796         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
797         New options
798         (fprofile-use): Add var flag_profile_use
799         * coverage.c (coverage_begin_output): Do not open a gcno file for
800         output only if -ftest-coverage is set.
801         Do not add getpwd() to gcda file path.
802         (build_gcov_info): Check the new flag
803         flag_profile_datafile_relative_path.
804         (coverage_init): Use profile_data_prefix.
805         Read profile counter only if flag_profile_use is set.
806         * opts.c (common_handle_option): New option fprofile-use=,
807         fprofile-dir=, fprofile-generate=.
808         * toplev.c (profile_data_prefix): New variable definition.
809         * toplev.h (profile_data_prefix): New declaration.
810         * doc/invoke.tex (Option Summary, Optimization Options):
811         Add new options.
812
813 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
814
815         * varasm.c (output_constant_pool_1): In LABEL_REF check,
816         use tmp consistently.
817
818         PR target/35695
819         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
820         * config/ia64/ia64.c (rtx_needs_barrier): Handle
821         UNSPEC_FR_RECIP_APPROX_RES.
822         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
823
824 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
825
826         PR c/35750
827         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
828
829 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
830
831         PR middle-end/30186
832         * fold-const.c (fold_indirect_ref_1): Support accessing non first
833         element of the vector via a pointer.
834
835 2008-03-31  Ian Lance Taylor  <iant@google.com>
836
837         * tlink.c (scan_linker_output): Look for symbol name in single quotes.
838
839 2008-03-31  Jan Hubicka  <jh@suse.cz>
840
841         * builtins.c (expand_builtin_setjmp_receiver): Update call of
842         get_arg_pointer_save_area.
843         * expr.c (init_expr): Just clear out rtl.expr.
844         * function.c (free_after_compilation): Clear out whole RTL structure.
845         (get_func_frame_size): Merge into ...
846         (get_frame_size): ... this one.
847         (assign_stack_local_1): Merge into ...
848         (assign_stack_local): ... this one.
849         (expand_function_end): Update call of get_arg_pointer_save_area.
850         (get_art_pointer_save_area): Remove cfun argument.
851         * function.h (emit_status): regno_pointer_align does not need length
852         attribute. Move x_regno_reg_rtx to ...
853         (regno_reg_rtx): ... new global array.
854         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
855         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
856         apply_args_value, forced_labels, stack_pointer_delta):
857         Update accestors.
858         (struct varasm_status): Move here from varasm.c
859         (struct rtl_data): New. Move here some fields from struct function.
860         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
861         frame_offset, stack_check_probe_note, arg_pointer_save_area,
862         used_temp_slots avail_temp_slots, temp_slot_level,
863         nonlocal_goto_handler_labels): Update accesstors.
864         (rtl): New global variable.
865         (struct function): Move some fileds to rtl_data.
866         (get_arg_pointer_save_area): Update prototype.
867         * emit-rtl.c (rtl): Declare.
868         (regno_reg_rtx): Declare.
869         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
870         Update.
871         (gen_reg_rtx): Update.
872         (init_virtual_regs): Do not tate emit_status argument.
873         (init_emit): Do not allocate emit.
874         * varasm.c (varasm_statuc): Move to function.h.
875         (n_deferred_constatns): Update accestor.
876         (init_varasm_status): Do not allocate varasm_status.
877         (force_const_mem, get_pool_size, output_constant_pool): Update.
878         * stmt.c (force_label_rtx): Do not use x_ prefixes.
879         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
880
881 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
882
883         PR rtl-optimization/35729
884         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
885         references.
886
887 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
888
889         PR target/32000
890         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
891         load/store if memory is unaligned.
892         (*movti_rex64): Likewise.
893
894         * config/i386/predicates.md (misaligned_operand): New.
895
896 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
897
898         PR tree-opt/35431
899         * tree-ssa-phiopt.c (conditional_replacement): Return early for
900         complex types.
901
902 2008-03-31  Jan Beulich  <jbeulich@novell.com>
903
904         * config/ia64/constraints.md: Add 'j' constraint.
905         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
906         (movdi_internal): Likewise.
907
908 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
909
910         PR c/35748
911         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
912
913 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
914
915         PR target/35757
916         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
917         proper error message for the third argument on blendpd and
918         blendps.
919
920         * config/i386/sse.md (blendbits): New.
921         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
922
923 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
924
925         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
926
927 2008-03-30  Richard Guenther  <rguenther@suse.de>
928
929         PR middle-end/31023
930         * fold-const.c (fold_sign_changed_comparison): Do leave
931         conversions to base-types alone.
932
933 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
934
935         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
936         the link register if one altivec register is be saved.
937
938 2008-03-30  Ben Elliston  <bje@au.ibm.com>
939
940         * final.c (final_scan_insn): Remove if (0) code.
941
942 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
943
944         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
945
946 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
947
948         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
949         of V4SFmode to ix86_binary_operator_ok.
950
951 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
952
953         * config/i386/i386.c (override_options): Initialize
954         ix86_veclib_handler to ix86_veclibabi_svml when
955         -mveclibabi=svml is used.
956         (ix86_veclibabi_svml): New function for SVML ABI style
957         vectorization support.
958         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
959
960 2008-03-28  Rafael Espindola  <espindola@google.com>
961
962         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
963         (tree_binary_nonnegative_warnv_p): Make it public.
964         (tree_single_nonnegative_warnv_p): Make it public.
965         (tree_invalid_nonnegative_warnv_p): Make it public.
966         (tree_unary_nonzero_warnv_p): Make it public.
967         (tree_binary_nonzero_warnv_p): Make it public
968         (tree_single_nonzero_warnv_p): Make it public.
969         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
970         (extract_range_from_binary_expr): Split the expr argument.
971         (extract_range_from_unary_expr): Split the expr argument.
972         (extract_range_from_comparison): Split the expr argument.
973         (extract_range_from_expr): Use the new aux functions.
974         (vrp_evaluate_conditional_warnv): Use
975         vrp_evaluate_conditional_warnv_with_ops.
976         * tree.h (tree_unary_nonzero_warnv_p): Declare.
977         (tree_binary_nonzero_warnv_p): Declare.
978         (tree_single_nonzero_warnv_p): Declare.
979         (tree_expr_nonzero_warnv_p): Declare.
980         (tree_unary_nonnegative_warnv_p): Declare.
981         (tree_binary_nonnegative_warnv_p): Declare.
982         (tree_single_nonnegative_warnv_p): Declare.
983         (tree_invalid_nonnegative_warnv_p): Declare.
984
985 2008-03-28  Richard Guenther  <rguenther@suse.de>
986
987         PR tree-optimization/30317
988         PR tree-optimization/30911
989         PR tree-optimization/34793
990         * tree-vrp.c (set_and_canonicalize_value_range): New function.
991         (struct assert_locus_d): New member EXPR.
992         (register_new_assert_for): Add EXPR parameter to support
993         ASSERT_EXPR <name, expr OP limit>.
994         (register_edge_assert_for_1): Adjust callers.
995         (find_assert_locations): Likewise.
996         (process_assert_insertions_for): Build condition from expression.
997         (extract_range_from_assert): Handle ASSERT_EXPRs
998         of the form ASSERT_EXPR <name, expr OP limit>.
999         (register_edge_assert_for_2): New helper registering
1000         asserts for comparisons.  Recognize range tests of the form
1001         (unsigned)i - CST1 OP CST2.
1002         (register_edge_assert_for_1): Use it.
1003         (register_edge_assert_for): Likewise.
1004         (needs_overflow_infinity): Integer sub-types
1005         do not need overflow infinities.
1006         (vrp_val_is_max): The extreme values of integer sub-types
1007         are those of the base type.
1008         (vrp_val_is_min): Likewise.
1009         * tree.def (ASSERT_EXPR): Document extra allowed conditional
1010         expressions.
1011
1012 2008-03-28  Nick Clifton  <nickc@redhat.com>
1013
1014         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
1015         Return GENERAL_REGS for stack adjustment reloads.
1016
1017 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1018
1019         PR target/31334
1020         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
1021         const_vector when all the vectors are constant.
1022
1023 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
1024
1025         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
1026         comparisons.
1027         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
1028         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
1029         (scc_sf): New.
1030         (s<code>_sf): Use new scc_sf attribute for opcode names.
1031
1032 2008-03-27  Tom Tromey  <tromey@redhat.com>
1033
1034         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
1035         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
1036         config/spu/t-spu-elf, config/i386/t-interix,
1037         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
1038         config/i386/x-darwin, config/i386/x-mingw32,
1039         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
1040         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
1041         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
1042         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
1043         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
1044         config/rs6000/x-darwin, config/rs6000/t-rs6000,
1045         config/score/t-score-elf, config/arm/t-strongarm-pe,
1046         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
1047         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
1048         Revert automatic dependency patch.
1049
1050 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
1051
1052         PR target/35657
1053         * config/i386/i386.c (ix86_function_arg_boundary): Align
1054         decimal floating point to its natural boundary.
1055
1056 2008-03-27  Richard Guenther  <rguenther@suse.de>
1057
1058         PR middle-end/35716
1059         * fold-const.c (fold_comparison): Restrict distinct decl
1060         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
1061         solely rely on operand_equal_p.
1062
1063 2008-03-27  Richard Guenther  <rguenther@suse.de>
1064
1065         PR c/32511
1066         * c-common.c (handle_weak_attribute): Reject combination of
1067         weak and inline.
1068
1069 2008-03-27  Richard Guenther  <rguenther@suse.de>
1070
1071         PR tree-optimization/32810
1072         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
1073         conversions from DECL_INITIAL.
1074         (fold_const_aggregate_ref): Likewise from constructor elements.
1075
1076 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
1077
1078         * tree-affine.h (aff_combination_expand): Declare.
1079         (get_inner_reference_aff): Likewise.
1080         * tree-affine.c (aff_combination_expand): Split out from
1081         tree_to_aff_combination_expand.
1082         (get_inner_reference_aff): New function.
1083         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
1084         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
1085         (struct lim_aux_data): sm_done field removed.
1086         (mem_ref_loc_p, mem_ref_locs_p): New types.
1087         (struct mem_ref): Added id, stored, accesses_in_loop,
1088         indep_loop, dep_loop, indep_ref, dep_ref fields.
1089         Removed is_stored, locs and next fields.
1090         (memory_accesses): New variable.
1091         (movement_possibility): Do not allow moving statements
1092         that store to memory.
1093         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
1094         New functions.
1095         (determine_max_movement): For statements with memory references,
1096         find the outermost loop in that the reference is independent.
1097         (move_computations_stmt): Mark the virtual operands for renaming.
1098         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
1099         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
1100         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
1101         add_vop_ref_mapping, create_vop_ref_mapping_loop,
1102         create_vop_ref_mapping, analyze_memory_references,
1103         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
1104         get_all_locs_in_loop, ref_always_accessed_p,
1105         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
1106         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
1107         store_motion_loop, store_motion): New functions.
1108         (struct vop_to_refs_elt): New type.
1109         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
1110         memref_hash, memref_eq, hoist_memory_references): Rewritten.
1111         (schedule_sm): Replaced by...
1112         (execute_sm): ... this.
1113         (determine_lsm_ref, hoist_memory_references,
1114         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
1115         find_more_ref_vops, free_mem_ref, free_mem_refs,
1116         determine_lsm_loop, determine_lsm): Removed.
1117         (tree_ssa_lim_finalize): Free data structures used by store motion.
1118         (tree_ssa_lim): Call analyze_memory_references.  Use
1119         store_motion instead of determine_lsm.
1120
1121 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
1122
1123         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
1124         rename tmake_file to m68hc11/t-m68hc11.
1125         (mcore): Set inhibit_libc to true.
1126         * config.host (alpha*-dec-*vms*): Set extra_programs.
1127         (interix3*): Don't use host_xmake_file.
1128         * configure.ac: Let config.gcc override inhibit_libc.
1129         * configure: Regenerate.
1130
1131         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
1132         * config/t-openbsd-thread: Remove commented out lines.
1133         
1134         * config/x-interix: Remove.
1135
1136         * config/m68hc11/t-m68hc11-gas: Rename to...
1137         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
1138
1139         * config/mcore/t-mcore: Remove T_CFLAGS.
1140         * config/mcore/t-mcore-pe: Likewise.
1141
1142 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
1143
1144         * configure.ac: Replace custom __GNU_SOURCE test with
1145         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
1146         * aclocal.m4: Regenerate.
1147         * configure: Regenerate.
1148         * config.in: Regenerate.
1149
1150 2008-03-27  Richard Guenther  <rguenther@suse.de>
1151
1152         * fold-const.c (target.h): Include.
1153         (fold_comparison): Fold comparison of addresses of decls
1154         that bind locally or of constants.  Consolidate address folding code.
1155         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
1156         results from fold_binary_to_constant.
1157         (compare_values_warnv): Likewise.
1158
1159 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
1160
1161         PR middle-end/35429
1162         * fold-const.c (fold_truthop): Check for integeral types when folding
1163         a == 0 && b == 0 and a != 0 || b != 0 .
1164
1165 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
1166
1167         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
1168
1169 2008-03-26  Andreas Schwab  <schwab@suse.de>
1170
1171         * doc/invoke.texi: Fix use of @item vs. @itemx.
1172
1173 2008-03-26  Tom Tromey  <tromey@redhat.com>
1174
1175         * Makefile.in (build/gensupport.o, build/print-rtl.o,
1176         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
1177         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
1178         build/gencodes.o, build/genconditions.o, build/genconfig.o,
1179         build/genconstants.o, build/genemit.o, build/genextract.o,
1180         build/genflags.o, build/genmddeps.o, build/genopinit.o,
1181         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
1182         options.h.
1183
1184 2008-03-26  Richard Guenther  <rguenther@suse.de>
1185
1186         Revert
1187         2008-03-26  Richard Guenther  <rguenther@suse.de>
1188
1189         * fold-const.c (target.h): Include.
1190         (fold_comparison): Fold comparison of addresses of two decls
1191         that bind locally.  Consolidate address folding code.
1192
1193 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1194
1195         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
1196         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
1197         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
1198         dconstsqrt2, dconstthird, dconste and/or dconst10.
1199         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
1200         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
1201         dconstsqrt2, dconste): Delete.
1202         (init_emit_once): Likewise.  Simplify initializing dconstm1.
1203         Constify variable.
1204         * real.c (get_real_const): New.
1205         * real.h (dconst3, dconst10, dconstm2, dconstthird,
1206         dconstsqrt2, dconste): Delete.
1207         (real_value_const, get_real_const): New.
1208
1209 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
1210
1211         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
1212
1213         * config/i386/i386.c (ix86_function_arg_boundary): Check
1214         BIGGEST_ALIGNMENT instead of 128.
1215         (setup_incoming_varargs_64): Likewise.
1216
1217 2008-03-26  Tom Tromey  <tromey@redhat.com>
1218
1219         * Makefile.in (DEPFILES): Add missing '/'.
1220
1221 2008-03-26  Richard Guenther  <rguenther@suse.de>
1222
1223         * fold-const.c (target.h): Include.
1224         (fold_comparison): Fold comparison of addresses of two decls
1225         that bind locally.  Consolidate address folding code.
1226
1227 2008-03-26  Nick Clifton  <nickc@redhat.com>
1228
1229         PR target/31232
1230         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
1231         not allow INT+INT as a legitimate addressing mode.
1232
1233 2008-03-26  Richard Guenther  <rguenther@suse.de>
1234
1235         * tree-flow.h (widen_bitfield): Remove declaration.
1236         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
1237         (widen_bitfield): Remove function.
1238         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
1239         code.
1240
1241 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1242
1243         PR target/31558
1244         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
1245         error_mark_node's.
1246
1247 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
1248
1249         PR rtl-optimization/35232
1250         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
1251         (forget_old_reloads_1, forget_marked_reloads): Don't clear
1252         reg_reloaded_call_part_clobbered here.
1253         (reload_regs_reach_end_p): New function.
1254         (reload_reg_rtx_for_input): New variable.
1255         (reload_reg_rtx_for_output): Likewise.
1256         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
1257         when reassigning a pseudo register.  Load reloadreg from 
1258         reload_reg_rtx_for_input, moving the mode and register
1259         calculation to...
1260         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
1261         instead of the original when deciding whether an input reload
1262         would be a no-op or whether an output reload can be deleted.
1263         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
1264         when setting up new_spill_reg_store.  Load it from
1265         reload_reg_rtx_for_output, moving the mode and register
1266         calculation to...
1267         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
1268         instead of the original when deciding whether an output reload
1269         would be a no-op.  Do the same when modifying insn notes.
1270         Use rtx_equal_p instead of == to compare the registers.
1271         (inherit_piecemeal_p): Take a mode and two register numbers
1272         as argument.
1273         (emit_reload_insns): Clear new_spill_reg_store for every hard
1274         register in the reload register.  Remove spill registers
1275         from reg_reloaded_valid before considering whether to record
1276         inheritance information for them.  Use reload_reg_rtx_for_output
1277         instead of reg_rtx when recording output reloads.  Use
1278         reload_reg_rtx_for_input instead of reg_rtx when recording
1279         input reloads.  Set or clear reg_reloaded_call_part_clobbered
1280         at the same time as setting reg_reloaded_valid.
1281         (delete_output_reload): Add a new_reload_reg parameter and use it
1282         instead of rld[j].reg_rtx.
1283         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
1284         calls accordingly.
1285
1286 2008-03-25  Tom Tromey  <tromey@redhat.com>
1287
1288         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
1289         (build/genattr.o): Likewise.
1290         (build/genattrtab.o): Likewise.
1291         (build/gencodes.o): Likewise.
1292         (build/genconfig.o): Likewise.
1293         (build/genconstants.o): Likewise.
1294         (build/genemit.o): Likewise.
1295         (build/genextract.o): Likewise.
1296         (build/genflags.o): Likewise.
1297
1298 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
1299         
1300         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
1301         instead of size_int for integer types.
1302         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
1303         to match type of MINUS_EXPR.
1304         
1305 2008-03-25  Tom Tromey  <tromey@redhat.com>
1306
1307         * configure: Rebuilt.
1308         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
1309         Makefile.
1310
1311 2008-03-25  Tom Tromey  <tromey@redhat.com>
1312
1313         * config/x-solaris (host-solaris.o): Update.
1314         * config/x-linux (host-linux.o): Update.
1315         * config/x-hpux (host-hpux.o): Update.
1316         * config/x-darwin (host-darwin.o): Update.
1317         * config/v850/t-v850e (v850-c.o): Update.
1318         * config/v850/t-v850 (v850-c.o): Update.
1319         * config/t-vxworks (vxworks.o): Update.
1320         * config/t-sol2 (sol2-c.o, sol2.o): Update.
1321         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
1322         * config/spu/t-spu-elf (spu-c.o): Update.
1323         (spu.o): Remove.
1324         * config/sh/t-symbian (sh-c.o): Update.
1325         (symbian.o): Update.
1326         * config/sh/t-sh (sh-c.o): Update.
1327         * config/score/t-score-elf (score7.o, score3.o): Update.
1328         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
1329         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
1330         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
1331         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
1332         (rs6000.o): Remove.
1333         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
1334         * config/m32c/t-m32c (m32c-pragma.o): Update.
1335         * config/ia64/t-ia64 (ia64-c.o): Update.
1336         * config/i386/x-mingw32 (host-mingw32.o): Update.
1337         * config/i386/x-i386 (driver-i386.o): Update.
1338         * config/i386/x-darwin (host-i386-darwin.o): Update.
1339         * config/i386/x-cygwin (host-cygwin.o): Update.
1340         * config/i386/t-nwld (nwld.o): Update.
1341         * config/i386/t-netware (netware.o): Update.
1342         * config/i386/t-interix (winnt.o): Update.
1343         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
1344         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
1345         msformat-c.o): Update.
1346         * config/bfin/t-bfin-linux (generated_files): Add
1347         linux-sysroot-suffix.h.
1348         * config/arm/t-wince-pe (pe.o): Update.
1349         * config/arm/t-strongarm-pe (pe.o): Update.
1350         * config/arm/t-pe (pe.o): Update.
1351         * config/arm/t-arm (arm-c.o): Update.
1352         * doc/install.texi (Prerequisites): Require make 3.80.
1353         * Makefile.in: Remove .o targets.
1354         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
1355         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
1356         (simple_generated_h, simple_generated_c): Move earlier.
1357         (generated_files): New variable.
1358         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
1359         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
1360         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
1361         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
1362         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
1363         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
1364         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
1365         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
1366         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
1367         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
1368         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
1369         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
1370         (.c.o): Remove.
1371         (COMPILE.base, COMPILE): New variables.
1372         (%.o): New pattern rule.
1373         (ALL_HOST_OBJS): New variable.
1374         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
1375         (dummy-checksum.o, cc1-checksum.o): Remove.
1376         (DRIVER_SHLIB): New variable.
1377         (DRIVER_DEFINES): Use it.
1378         (gencondmd.c): Move out of build/.
1379         (s-conditions): Update.
1380         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
1381         (ALL_BUILD_OBJS): Likewise.
1382         (build/%.o): Use BUILDCOMPILE.
1383         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
1384         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
1385         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
1386         build/gencheck.o, build/gencodes.o, build/genconditions.o,
1387         build/genconfig.o, build/genconstants.o, build/genemit.o,
1388         build/genextract.o, build/genflags.o, build/genmddeps.o,
1389         build/genopinit.o, build/genoutput.o, build/genpeep.o,
1390         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
1391         build/gen-protos.o, build/scan.o, build/fix-header.o,
1392         build/scan-decls.o): Simplify.
1393         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
1394         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
1395         prefix.o, toplev.o): Reduce to variable setting.
1396         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
1397         ($(out_object_file), gcc-options.o): New targets.
1398         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
1399         * configure: Rebuilt.
1400         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
1401         * doc/sourcebuild.texi (Front End Directory): Document new variable.
1402
1403 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
1404
1405         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
1406         complain when we hit an error, return ERROR_MARK_NODE.
1407
1408 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
1409
1410         * config/sh/constraints.md (Pso, Psz): New constraints.
1411         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
1412         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
1413
1414 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
1415
1416         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
1417         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
1418
1419 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
1420
1421         * config/sh/sh.md (prefetch): Add condition for SH2A target.
1422         (prefetch_sh2a): New.   
1423
1424 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
1425             Naveen.H.S  <naveen.hs@kpitcummins.com>
1426
1427         * config/sh/constraints.md (I28): New constraint.
1428         * config/sh/sh.c (broken_move): Add support for movi20s.
1429         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
1430
1431 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
1432             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
1433             Naveen.H.S  <naveen.hs@kpitcummins.com>
1434
1435         * config/sh/sh.c (SH_ATTRIBUTES): Define.
1436         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
1437         (print_operand): Handle resbank in %@ operand code.
1438         (sh_encode_section_info): New.
1439         (push_regs): Add conditions for resbank.
1440         (sh_expand_epilogue): Likewise.
1441         (sh_insert_attributes): Likewise.
1442         (sh_attribute_table): Likewise.
1443         (sh_handle_resbank_handler_attribute): New.
1444         (sh2a_handle_function_vector_handler_attribute): New.
1445         (sh2a_is_function_vector_call): New.
1446         (sh2a_get_function_vector_number): New.
1447         (sh2a_function_vector_p): New.
1448         (sh_cfun_resbank_handler_p): New.
1449         * config/sh/sh.md (calli): Emit jsr/n if possible.
1450         (calli_tbr_rel): New.
1451         (calli_pcrel): Emit jsr/n if possible.
1452         (return_i): Emit rts/n if possible.
1453         (call_valuei_tbr_rel): New.
1454         (call_valuei_pcrel): Add condition for SH2A target.
1455         (call_value): Likewise.
1456         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
1457         (sh2a_get_function_vector_number): Likewise.
1458         (sh2a_is_function_vector_call): Likewise.
1459         * doc/extend.texi: Document TBR relative addressing of SH2A.
1460         (resbank): Add description for SH2A.
1461
1462 2008-03-24  Richard Guenther  <rguenther@suse.de>
1463
1464         PR c/22371
1465         * gimplify.c (gimplify_modify_expr): For frontend type-correct
1466         pointer assignments change conversions according to middle-end rules.
1467         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
1468         * configure.ac: Include type checking in yes.
1469         * configure: Regenerate.
1470
1471 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1472
1473         * diagnostic.c (diagnostic_count_diagnostic): Delete.
1474         (diagnostic_report_diagnostic): Update. Handle ICEs here.
1475         
1476 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
1477
1478         * gthr-vxworks.h (UNUSED): Define.
1479
1480 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
1481
1482         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
1483
1484 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
1485
1486         * doc/extend.texi (Function Attributes): Add missing comma in the
1487         example of the "alloc_size" attribute.
1488         
1489 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
1490
1491         Revert:
1492         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
1493
1494         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1495         32bit host.
1496
1497         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
1498
1499         PR target/35496
1500         * stor-layout.c (update_alignment_for_field): Set minimum alignment
1501         of the underlying type of a MS bitfield layout to the natural
1502         alignment of the type.
1503
1504         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
1505
1506         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
1507         to their natural alignment to avoid store forwarding stalls.
1508
1509 2008-03-22  Richard Guenther  <rguenther@suse.de>
1510
1511         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
1512         For PHI nodes verify the address is invariant.
1513         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
1514         (get_symbol_constant_value): Use is_gimple_min_invariant.
1515         (maybe_fold_stmt_indirect): Likewise.
1516
1517 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
1518
1519         PR rtl-optimization/33927
1520         * Makefile.in (dse.o): Depend on $(TM_P_H).
1521         * expr.h (extract_low_bits): Declare.
1522         * expmed.c (extract_low_bits): New function.
1523         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
1524         * dse.c: Include tm_p.h.
1525         (find_shift_sequence): Remove the read_reg argument and return the
1526         read value.  Emit the instructions instead of returning them.
1527         Iterate on new_mode rather than calculating it each time.
1528         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
1529         source to NEW_MODE and extract_low_bits to convert the shifted
1530         value to READ_MODE.
1531         (replace_read): Allow the load and store to have different mode
1532         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
1533         or extraction instructions before trying the replacement.  Update
1534         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
1535
1536 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
1537
1538         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
1539         to their natural alignment to avoid store forwarding stalls.
1540
1541 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1542
1543         PR target/27946
1544         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
1545         encouraging but not allowing gprs for input;
1546         change the input constraint to !f#r.
1547         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
1548         gprs for output;
1549         change the output constraint to !f#r.
1550
1551 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
1552
1553         PR target/13958
1554         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
1555         corresponding post-reload splitters.
1556         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
1557         when x87 FP math is selected.
1558         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
1559         New function prototype.
1560         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
1561         unreachable function to ease macroization of insn patterns.
1562
1563 2008-03-21  Martin Jambor  <mjambor@suse.cz>
1564
1565         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
1566         reference dumps if ddr is NULL or dependence is unknown.
1567
1568 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1569
1570         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
1571         unsigned extension into account.
1572         (ATOMIC_COMPARE_AND_SWAP): Likewise.
1573         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
1574         Do computations on a scratch register.
1575
1576 2008-03-21  Richard Guenther  <rguenther@suse.de>
1577
1578         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1579         Use is_gimple_min_invariant instead of TREE_INVARIANT.
1580         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
1581         * tree-ssa-dom.c (record_equality): Likewise.
1582         * tree-inline.c (copy_body_r): Likewise.
1583         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
1584         TREE_INVARIANT.
1585
1586 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1587
1588         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
1589         as 'delete_unused' argument.
1590
1591 2008-03-20  Richard Guenther  <rguenther@suse.de>
1592
1593         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
1594         special casing of constant qualifiers.
1595         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
1596         care about them in general.
1597         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
1598         regardless of their type.
1599         (fold_stmt_r): Forcefully fold *& if we end up with that.
1600
1601 2008-03-20  Paul Brook  <paul@codesourcery.com>
1602
1603         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
1604         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
1605         linker flags.
1606         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
1607         definition.
1608         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
1609         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
1610
1611 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
1612
1613         * common.opt (Wmudflap): New option.
1614         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
1615         (mx_register_decls): Likewise.
1616         (mudflap_finish_file): Likewise.
1617         * doc/invoke.texi: Document -Wno-mudflap.
1618
1619 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
1620
1621         * c-format.c (replace_format_name_to_system_name): New.
1622         (cmp_attribs): New.
1623         (convert_format_name_to_system_name): New.
1624         (decode_format_attr): Add use of convert_format_name_to_system_name.
1625         (format_types_orig): Add gnu_ prefix to names.
1626         (check_format_info_main): Special treating of \0 escaped names for
1627         supporting multi-character format specifiers as I32, I64.
1628         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
1629         (gnu_target_overrides_format_attributes): New.
1630         * c-format.h: Add structure target_ovr_attr to hold
1631         system specific formatter names.
1632         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
1633         msformat-c.o file to c_target_objs and cxx_target_objs.
1634         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
1635         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
1636         (TARGET_N_FORMAT_TYPES): New.
1637         * config/i386/msformat-c.c: New.
1638         * config/i386/t-cygming: Add build rule for msformat-c.o.
1639         * doc/extend.texi: Add new format names gnu_* and ms_* and
1640         further details.
1641         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
1642
1643 2008-03-20  Ira Rosen  <irar@il.ibm.com>
1644
1645         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
1646         optimizations turned on under -O3.
1647         (ftree-vectorize): Add that the flag is turned on with -O3.
1648
1649 2008-03-20  Ben Elliston  <bje@au.ibm.com>
1650
1651         * regmove.c (try_auto_increment): Fix spelling error in comment.
1652         * final.c (final_scan_insn): Likewise.
1653
1654 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
1655
1656         PR target/14552
1657         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
1658         allocator preferences for "y" and "r" class registers.
1659         ("*mov<mode>_internal"): Ditto.
1660         ("*movv2sf_internal_rex64"): Ditto.
1661         ("*movv2sf_internal"): Ditto.
1662
1663 2008-03-19  Michael Matz  <matz@suse.de>
1664
1665         PR middle-end/35616
1666         * calls.c (expand_call): Check overlap of arguments with call
1667         address for sibcalls.
1668
1669 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
1670
1671         PR target/35496
1672         * stor-layout.c (update_alignment_for_field): Set minimum alignment
1673         of the underlying type of a MS bitfield layout to the natural
1674         alignment of the type.
1675
1676 2008-03-19  Jan Hubicka  <jh@suse.cz>
1677
1678         PR other/35094
1679         * toplev.c (decode_d_option): Handle all CPP flags.
1680         * tree-vrp.c: Update tree_pass descriptors.
1681         * regrename.c: Update tree_pass descriptors.
1682         * fwprop.c: Update tree_pass descriptors.
1683         * doc/invoke.texi: Remove documentation of dropped -d? flags.
1684         * tree-into-ssa.c: Update tree_pass descriptors.
1685         * tree-dump.c: Update tree_pass descriptors.
1686         * tree-complex.c: Update tree_pass descriptors.
1687         * tree-dump.h: Update tree_pass descriptors.
1688         * see.c: Update tree_pass descriptors.
1689         * cgraphbuild.c: Update tree_pass descriptors.
1690         * tracer.c: Update tree_pass descriptors.
1691         * tree-loop-distribution.c: Update tree_pass descriptors.
1692         * cgraph.c: Update tree_pass descriptors.
1693         * postreload-gcse.c: Update tree_pass descriptors.
1694         * postreload.c: Update tree_pass descriptors.
1695         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
1696         * tree-tailcall.c: Update tree_pass descriptors.
1697         * tree-pass.h (tree_opt_pass): Rename to ...
1698         (opt_pass) ... this one; add "type" field and remove letter field.
1699         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
1700         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
1701         all_lowering_passes): Update declaration.
1702         * ipa-cp.c: Update tree_pass descriptors.
1703         * final.c: Update tree_pass descriptors.
1704         * omp-low.c: Update tree_pass descriptors.
1705         * tree-ssa-dse.c: Update tree_pass descriptors.
1706         * ipa-reference.c: Update tree_pass descriptors.
1707         * tree-ssa-uncprop.c: Update tree_pass descriptors.
1708         * auto-inc-dec.c: Update tree_pass descriptors.
1709         * reorg.c: Update tree_pass descriptors.
1710         * cgraphunit.c: Update tree_pass descriptors.
1711         * tree-ssa-copyrename.c: Update tree_pass descriptors.
1712         * tree-ssa-ccp.c: Update tree_pass descriptors.
1713         * df-core.c: Update tree_pass descriptors.
1714         * mode-switching.c: Update tree_pass descriptors.
1715         * tree-nomudflap.c: Update tree_pass descriptors.
1716         * modulo-sched.c: Update tree_pass descriptors.
1717         * ipa-pure-const.c: Update tree_pass descriptors.
1718         * cse.c: Update tree_pass descriptors.
1719         * web.c: Update tree_pass descriptors.
1720         * tree-stdarg.c: Update tree_pass descriptors.
1721         * tree-ssa-math-opts.c: Update tree_pass descriptors.
1722         * tree-ssa-dom.c: Update tree_pass descriptors.
1723         * tree-nrv.c: Update tree_pass descriptors.
1724         * tree-ssa-alias.c: Update tree_pass descriptors.
1725         * loop-init.c: Update tree_pass descriptors.
1726         * gimple-low.c: Update tree_pass descriptors.
1727         * ipa-inline.c: Update tree_pass descriptors.
1728         * tree-ssa-sink.c: Update tree_pass descriptors.
1729         * global.c: Update tree_pass descriptors.
1730         * ifcvt.c: Update tree_pass descriptors.
1731         * jump.c: Update tree_pass descriptors.
1732         * predict.c: Update tree_pass descriptors.
1733         * tree-ssa-loop.c: Update tree_pass descriptors.
1734         * recog.c: Update tree_pass descriptors.
1735         * dse.c: Update tree_pass descriptors.
1736         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
1737         * tree-eh.c: Update tree_pass descriptors.
1738         * regmove.c: Update tree_pass descriptors.
1739         * local-alloc.c
1740         * function.c: Update tree_pass descriptors.
1741         * tree-vectorizer.c: Update tree_pass descriptors.
1742         * gcse.c: Update tree_pass descriptors.
1743         * ipa-type-escape.c: Update tree_pass descriptors.
1744         * tree-if-conv.c: Update tree_pass descriptors.
1745         * init-regs.c: Update tree_pass descriptors.
1746         * ipa.c: Update tree_pass descriptors.
1747         * tree-ssa-phiopt.c: Update tree_pass descriptors.
1748         * rtl-factoring.c: Update tree_pass descriptors.
1749         * lower-subreg.c: Update tree_pass descriptors.
1750         * bt-load.c: Update tree_pass descriptors.
1751         * tree-dfa.c: Update tree_pass descriptors.
1752         * except.c: Update tree_pass descriptors.
1753         * emit-rtl.c: Update tree_pass descriptors.
1754         * cfgexpand.c: Update tree_pass descriptors.
1755         * tree-cfgcleanup.c: Update tree_pass descriptors.
1756         * cfgcleanup.c: Update tree_pass descriptors.
1757         * tree-ssa-pre.c: Update tree_pass descriptors.
1758         * tree-sra.c: Update tree_pass descriptors.
1759         * tree-mudflap.c: Update tree_pass descriptors.
1760         * tree-ssa-copy.c: Update tree_pass descriptors.
1761         * cfglayout.c: Update tree_pass descriptors.
1762         * tree-ssa-forwprop.c: Update tree_pass descriptors.
1763         * tree-ssa-dce.c: Update tree_pass descriptors.
1764         * tree-ssa.c: Update tree_pass descriptors.
1765         * regclass.c: Update tree_pass descriptors.
1766         * integrate.c: Update tree_pass descriptors.
1767         * tree-optimize.c: Update tree_pass descriptors.
1768         * tree-ssa-phiprop.c: Update tree_pass descriptors.
1769         * tree-object-size.c: Update tree_pass descriptors.
1770         * combine.c: Update tree_pass descriptors.
1771         * tree-outof-ssa.c: Update tree_pass descriptors.
1772         * bb-reorder.c: Update tree_pass descriptors.
1773         * stack-ptr-mod.c: Update tree_pass descriptors.
1774         * var-tracking.c: Update tree_pass descriptors.
1775         * tree-profile.c: Update tree_pass descriptors.
1776         * tree-vect-generic.c: Update tree_pass descriptors.
1777         * reg-stack.c: Update tree_pass descriptors.
1778         * sched-rgn.c: Update tree_pass descriptors.
1779         * tree-ssa-structalias.c: Update tree_pass descriptors.
1780         * tree-cfg.c: Update tree_pass descriptors.
1781         * passes.c (current_pass): Update declaration.
1782         (finish_optimization_passes): Update.
1783         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
1784         (register_one_dump_file, register_dump_files_1, next_pass_1):
1785         Update arguments.
1786         (init_optimization_passes): Update handling of new types.
1787         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
1788         * ipa-struct-reorg.c: Update tree_pass descriptors.
1789         * tree-ssa-reassoc.c: Update tree_pass descriptors.
1790         * combine-stack-adj.c: Update tree_pass descriptors.
1791         * cfgrtl.c: Update tree_pass descriptors.
1792         * dce.c: Update tree_pass descriptors.
1793         * tree-ssanames.c: Update tree_pass descriptors.
1794
1795 2008-03-19  Richard Guenther  <rguenther@suse.de>
1796
1797         PR middle-end/35609
1798         * tree-ssa.c (walk_data): New structure.
1799         (warn_uninitialized_var): If not always_executed warn with "maybe"
1800         instead of "is".
1801         (execute_early_warn_uninitialized): Compute post-dominators.
1802         Initialize always_executed before processing each basic block.
1803
1804 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
1805
1806         PR target/35504
1807         * config/i386/i386.c (x86_this_parameter): Calculate correct location
1808         of "this" pointer when "regparm = N" or "fastcall" is in effect.
1809
1810 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1811
1812         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
1813
1814 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
1815
1816         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
1817         is true.
1818         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
1819         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
1820         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
1821         target after ignore has been set, and move there also the commputation
1822         of subtarget and original_target.
1823         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
1824         (LANG_HOOKS_INITIALIZER): Remove it.
1825         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
1826
1827 2008-03-18  Richard Guenther  <rguenther@suse.de>
1828
1829         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
1830         found an expression with constants, note that in the VN for the lhs.
1831         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
1832         fold them to constants if possible.  Run cleanup_cfg if done so.
1833         (execute_pre): Return todo.
1834         (do_pre): Likewise.
1835         (execute_fre): Likewise.
1836         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
1837         of constants.
1838         (get_prop_source_stmt): Look through pointer conversions.
1839
1840 2008-03-18  Jan Hubicka  <jh@suse.cz>
1841
1842         * tree-pretty-print.c: Include predict.h.
1843         (dump_generic_node): Dump predictor.
1844         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
1845         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
1846         * gimple-low.c (lower_stmt): Likewise.
1847         * expr.c (expand_expr_real): Likewise.
1848         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
1849         them.
1850         (build_predict_expr, build_predict_expr): New.
1851         * predict.h (predictor_name, build_predict_expr): Update.
1852         * c-typeck.c (c_finish_bc_stmt): Add prediction.
1853         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
1854         * predict.def (PRED_CONTINUE): Update hitrate.
1855         * tree.def (PREDICT_EXPR): Define.
1856         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
1857         do not handle BIND_EXPR.
1858         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
1859         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
1860         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
1861         operands.
1862
1863 2008-03-18  Michael Matz  <matz@suse.de>
1864
1865         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
1866
1867 2008-03-18  Richard Guenther  <rguenther@suse.de>
1868
1869         * tree-gimple.h (is_gimple_invariant_address): Declare.
1870         (is_gimple_constant): Likewise.
1871         * tree-gimple.c (is_gimple_constant): New function.
1872         (is_gimple_invariant_address): Likewise.
1873         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
1874         and is_gimple_invariant_address.
1875         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
1876         previous change.
1877         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
1878         an addressable base.
1879
1880 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
1881
1882         PR middle-end/35611
1883         * gimplify.c (gimplify_expr): Gimplify second operand of
1884         OMP_ATOMIC_LOAD.
1885
1886 2008-03-17  Richard Guenther  <rguenther@suse.de>
1887
1888         PR tree-optimization/19637
1889         * fold-const.c (fold_unary): Remove restrictions of removing
1890         intermediate pointer-conversions (P2)(P1)P0.
1891         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
1892         conversion to void pointer.
1893         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
1894
1895 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
1896
1897         PR debug/31510
1898         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
1899         emulated thread local variables.
1900
1901 2008-03-16  Richard Guenther  <rguenther@suse.de>
1902
1903         PR middle-end/35607
1904         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
1905         expand TREE_INVARIANT operations that are not gimple invariant.
1906
1907 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
1908
1909         * doc/extend.texi (Alignment): Say that the ABI controls
1910         the __alignof__ for non-strict-alignment targets rather
1911         than being a recommendation.
1912
1913 2008-03-15  Paul Brook  <paul@codesourcery.com>
1914
1915         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
1916         annotations.
1917         (arm_output_fn_unwind): Mark functions that can not be unwound.
1918
1919 2008-03-15  Paul Brook  <paul@codesourcery.com>
1920
1921         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
1922         extension instructions.
1923
1924 2008-03-15  Richard Guenther  <rguenther@suse.de>
1925
1926         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
1927         and fold constant aggregate refs.
1928         (fold_const_aggregate_ref): Handle string constants
1929         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
1930         (evaluate_stmt): Simplify now that ccp_fold folds constant
1931         aggregate refs.
1932
1933 2008-03-15  Paul Brook  <paul@codesourcery.com>
1934
1935         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
1936         (extzv): Use gen_extzv_t2.
1937         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
1938
1939 2008-03-15  Richard Guenther  <rguenther@suse.de>
1940
1941         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
1942         (fold_const_aggregate_ref): Likewise.
1943         (get_value): Return NULL if we don't have any values.
1944         (ccp_finalize): Set const_val to NULL after freeing it.
1945         * tree-flow.h (get_symbol_constant_value): Declare.
1946         (fold_const_aggregate_ref): Likewise.
1947         * tree-ssa-sccvn.c (try_to_simplify): Use them.
1948
1949 2008-03-15  Richard Guenther  <rguenther@suse.de>
1950
1951         PR middle-end/35593
1952         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
1953         to not produce negative array indices if not allowed.  Add
1954         parameter to indicate that.
1955         (maybe_fold_offset_to_component_ref): Allow negative array
1956         indices only for the first member of a structure.
1957         (maybe_fold_offset_to_reference): Allow negative array indices.
1958         (maybe_fold_stmt_addition): Likewise.
1959
1960 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
1961             Anatoly Sokolov <aesok@post.ru>
1962
1963         * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
1964         (avr_arch): Add ARCH_AVR6.
1965         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
1966         (initial_elimination_offset): Initialize and use 'avr_pc_size' 
1967         instead of fixed value 2.
1968         (print_operand_address): Use gs() asm specifier instead of pm().
1969         (avr_assemble_integer): (Ditto.).
1970         (avr_output_addr_vec_elt): (Ditto.).
1971         (print_operand): Handle "!" code.
1972         * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add 
1973         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
1974         (AVR_HAVE_EIJMP_EICALL): Define.
1975         (AVR_3_BYTE_PC): Redefine.
1976         (AVR_2_BYTE_PC): (Ditto.).
1977         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
1978         (LINK_SPEC): Add atmega2560 and atmega2561.
1979         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561 
1980         (crtm2561.o).
1981         * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall 
1982         for 3 byte PC devices.
1983         (call_value_insn): (Ditto.).
1984         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
1985         (indirect_jump): Use only for for 2 byte PC devices.
1986         (*tablejump): (Ditto.).
1987         (*indirect_jump_avr6): Add insn.
1988         (*tablejump_rjmp): Don't use for 3 byte PC devices.
1989         * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp 
1990         instead of ijmp for 3 byte PC devices.
1991         (__tablejump2__): (Ditto.).
1992         * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
1993         (MULITLIB_DIRNAMES): (Ditto.). 
1994         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
1995
1996 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
1997
1998         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
1999         "sse2_umulsidi3".  Use V1DI mode for operand 0.
2000         ("mmx_psadbw"): Use V1DI mode for operand 0.
2001         * config/i386/i386-modes.def (V1SI): New vector mode.
2002         * config/i386/i386.c (struct builtin_description)
2003         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
2004         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
2005         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
2006         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
2007         v1di_ftype_v8qi_v8qi type.
2008         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
2009
2010         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
2011         __builtin_ia32_pmuludq]: Fix the mode of return value.
2012
2013 2008-03-15  Richard Guenther  <rguenther@suse.de>
2014
2015         PR middle-end/35595
2016         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
2017         being a PHI_NODE.
2018
2019 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
2020         
2021         * doc/invoke.texi (Option Summary, Xtensa Options): Document
2022         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
2023         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
2024         unless TARGET_SERIALIZE_VOLATILE is enabled.
2025         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
2026         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
2027         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
2028
2029 2008-03-14  Richard Guenther  <rguenther@suse.de>
2030
2031         PR tree-optimization/34172
2032         * tree-flow.h (refs_may_alias_p): Declare.
2033         (get_single_def_stmt): Likewise.
2034         (get_single_def_stmt_from_phi): Likewise.
2035         (get_single_def_stmt_with_phi): Likewise.
2036         * tree-dfa.c (refs_may_alias_p): New function.
2037         (get_single_def_stmt): Likewise.
2038         (get_single_def_stmt_from_phi): Likewise.
2039         (get_single_def_stmt_with_phi): Likewise.
2040         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
2041         (vn_reference_lookup_1): New helper function.
2042         (vn_reference_lookup): Walk the virtual use-def chain to
2043         continue searching for a match if the def does not alias the
2044         reference we are looking for.
2045
2046 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
2047
2048         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
2049         archive and Perzl.  Update The Written Word listing.
2050
2051 2008-03-14  Richard Guenther  <rguenther@suse.de>
2052
2053         PR tree-optimization/34043
2054         PR tree-optimization/33989
2055         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
2056         when doing FRE.
2057         (bitmap_find_leader): Use extra argument to verify dominance
2058         relationship inside a basic-block.
2059         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
2060         (find_leader_in_sets): Adjust.
2061         (create_component_ref_by_pieces): Take extra argument for
2062         dominance check, handle lookup failures.
2063         (find_or_generate_expression): Likewise.
2064         (create_expression_by_pieces): Likewise.
2065         (insert_into_preds_of_block): Adjust.
2066         (create_value_expr_from): If asked for, verify all operands
2067         are in the blocks AVAIL_OUT set.
2068         (make_values_for_stmt): Check for SSA_NAMEs that are life
2069         over an abnormal edge.
2070         (compute_avail): Remove such check.
2071         (do_SCCVN_insertion): New function.
2072         (eliminate): If we do not find a leader suitable for replacement
2073         insert a replacement expression from SCCVN if available.
2074         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
2075         (struct vn_ssa_aux): Add needs_insertion flag.
2076         * tree-ssa-sccvn.c (may_insert): New global flag.
2077         (copy_reference_ops_from_ref): Value-number union member access
2078         based on its size, not type and member if insertion is allowed.
2079         (visit_reference_op_load): For a weak match from union type
2080         punning lookup a view-converted value and insert a SSA_NAME
2081         for that value if that is not found.
2082         (visit_use): Make dumps shorter.  Do not disallow value numbering
2083         SSA_NAMEs that are life over an abnormal edge to constants.
2084         (free_scc_vn): Release inserted SSA_NAMEs.
2085         (run_scc_vn): New flag to specify whether insertion is allowed.
2086         Process SSA_NAMEs in forward order.
2087         * tree-ssa-loop-im.c (for_each_index): Handle invariant
2088         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
2089         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
2090         pointer type to/from integral types that do not change the
2091         precision to regular conversions.
2092
2093 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
2094
2095         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
2096         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
2097         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
2098         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
2099         input arguments and the mode of return value.  Built-in functions
2100         that operate on whole 64-bit MMX register now use V1DI mode.
2101
2102 2008-03-13  Alon Dayan  <alond@il.ibm.com>
2103             Olga Golovanevsky  <olga@il.ibm.com>
2104
2105         PR tree-optimization/35041
2106         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
2107         to locate the right position in a statement.
2108
2109 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
2110
2111         PR target/34000
2112         PR target/35553
2113         * config/i386/xmmintrin.h:  Change all static inline functions to
2114         extern inline and add __gnu_inline__ attribute.
2115         * config/i386/bmintrin.h: Ditto.
2116         * config/i386/smmintrin.h: Ditto.
2117         * config/i386/tmmintrin.h: Ditto.
2118         * config/i386/mmintrin-common.h: Ditto.
2119         * config/i386/ammintrin.h: Ditto.
2120         * config/i386/emmintrin.h: Ditto.
2121         * config/i386/pmmintrin.h: Ditto.
2122         * config/i386/mmintrin.h: Ditto.
2123         * config/i386/mm3dnow.h: Ditto.
2124
2125 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
2126
2127         PR middle-end/35185
2128         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
2129         (lower_omp_2): New function.
2130         (lower_omp_1, lower_omp): Rewritten.
2131
2132 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
2133
2134         PR 35054
2135         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
2136         with the phrase "Microsoft Windows compilers".
2137         (Push/Pop Macro Pragmas): New subsection. Document
2138         #pragma push_macro and pragma pop_macro.
2139
2140 2008-03-12  Paul Brook  <paul@codesourcery.com>
2141
2142         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
2143
2144 2008-03-12  Paul Brook  <paul@codesourcery.com>
2145
2146         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
2147         (thumb2_alusi3_short): Exclude PLUS and MINUS.
2148         (thumb2_addsi_shortim): Rename ...
2149         (thumb2_addsi_short): ... to this.  Allow register operands.
2150         (thumb2_subsi_short): New pattern.
2151         (thumb2_one_cmplsi2_short,
2152         thumb2_negsi2_short): New patterns and peepholes.
2153
2154 2008-03-12  Paul Brook  <paul@codesourcery.com>
2155
2156         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
2157
2158 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
2159
2160         * config/i386/i386.md (int_cond): New code iterator.
2161         (fp_cond): Ditto.
2162         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
2163         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
2164         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
2165         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
2166         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
2167         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
2168         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
2169         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
2170
2171 2008-03-12  Paul Brook  <paul@codesourcery.com>
2172
2173         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
2174         instead of {arm,thumb}_compute_save_reg_mask.
2175         (output_return_instruction): Ditto.
2176         (thumb_unexpanded_epilogue): Ditto.
2177         (thumb1_expand_prologue): Ditto.
2178         (thumb1_output_function_prologue): Ditto.
2179         (arm_set_return_address): Ditto.
2180         (thumb_set_return_address): Ditto.
2181         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
2182         regs to achieve stack alignment.
2183         (thumb1_compute_save_reg_mask): Fix compiler warning.
2184         (arm_output_epilogue): Use offsets->saved_regs_mask.
2185         Adjust stack pointer by poping call clobered registers.
2186         (arm_expand_prologue): Use offsets->saved_regs_mask.
2187         Adjust stack pointer by pushing extra registers.
2188         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
2189
2190 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
2191
2192         PR tree-opt/35422
2193         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
2194         conversion to the operands of a multiplication.
2195
2196 2008-03-12  Richard Guenther  <rguenther@suse.de>
2197
2198         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
2199         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
2200         * timevar.def (TV_TREE_PHIPROP): Add.
2201         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
2202         pass description.  Use TV_TREE_PHIPROP.
2203         * tree-ssa-forwprop.c: Remove phiprop code.
2204
2205 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
2206
2207         PR middle-end/35549
2208         * omp-low.c (maybe_lookup_decl): Constify first argument.
2209         (use_pointer_for_field): Change last argument from bool to
2210         omp_context *.  Disallow shared copy-in/out in nested
2211         parallel if decl is shared in outer parallel too.
2212         (build_outer_var_ref, scan_sharing_clauses,
2213         lower_rec_input_clauses, lower_copyprivate_clauses,
2214         lower_send_clauses, lower_send_shared_vars): Adjust callers.
2215
2216 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
2217             Ira Rosen  <irar@il.ibm.com>
2218
2219         * tree-vectorizer.c (free_stmt_vec_info): New function.
2220         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
2221         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
2222         * tree-vectorizer.h (free_stmt_vec_info): Declare.
2223         * tree-vect-transform.c (vectorizable_conversion): Free
2224         vec_oprnds0 if it was allocated.
2225         (vect_permute_store_chain): Remove unused VECs.
2226         (vectorizable_store): Free VECs that are allocated in the..
2227         function.
2228         (vect_transform_strided_load, vectorizable_load): Likewise.
2229         (vect_remove_stores): Simplify the code.
2230         (vect_transform_loop): Move code to vect_remove_stores().
2231         Call vect_remove_stores() and free_stmt_vec_info().
2232
2233 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2234
2235         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
2236         TARGET_HPUX.  Revise comment.
2237         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
2238         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
2239         Use sr4 variant of `be' instruction when not generating PIC code.
2240         (attr_length_call): Adjust for above change.
2241
2242 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2243
2244         * ipa-reference.c (static_execute): Remove module_statics_const and
2245         associated setting code.
2246
2247 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
2248
2249         PR target/35540
2250         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
2251         predicate for operand 1.
2252         (paritysi2_cmp): Use register_operand predicate for operand 2.
2253         Use earlyclobber modifier for operand 1.  Remove support for
2254         memory operands.
2255         (paritydi2_cmp): Use register_operand predicate for operand 3.
2256         Use earlyclobber modifier for operand 1.  Remove support for
2257         memory operands.
2258
2259 2008-03-11  Paul Brook  <paul@codesourcery.com>
2260             Vladimir Prus  <vladimir@codesourcery.com>
2261
2262         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
2263         (arm_compute_save_reg0_reg12_mask): Always
2264         check if register 11 must be saved.  Always safe hard frame pointer
2265         when frame_pointer_needeed.
2266         (arm_compute_save_reg_mask): Save IP and PC
2267         only with apcs frames.
2268         (arm_output_epilogue): Adjust Thumb2 codepath to
2269         be also invoked and work for ARM non-apcs frames.
2270         (arm_expand_prologue): Don't bother saving IP
2271         for non-apcs frame, since it's not clobbered by
2272         prologue code.  Implement non-apcs frame
2273         layout.
2274
2275 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
2276
2277         PR rtl-optimization/35281
2278         * expr.c (convert_move): Use a new pseudo for the intermediate
2279         from_mode->word_mode result.
2280
2281 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
2282
2283         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
2284         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
2285         * toplev.c (compile_file): Don't call it.
2286
2287 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
2288
2289         PR middle-end/35526
2290         * expr.c (store_expr): Call emit_block_move if the mode
2291         of "temp" RTX is BLKmode.
2292
2293 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2294             Richard Guenther  <rguenther@suse.de>
2295
2296         PR tree-optimization/31358
2297         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
2298         the step with a NULL_TREE.
2299         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
2300         to sizetype if type is a pointer type.
2301         (add_candidate_1): Don't convert the base and step to
2302         the generic type if the orginal type is a pointer type.
2303         (add_iv_value_candidates): Use sizetype for the step
2304         if type is a pointer type.
2305         (cand_value_at): Likewise.
2306         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
2307         for pointer types.
2308         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
2309         Don't convert the tem affine to the type.
2310         (add_elt_to_tree): Use sizetype for the step if a pointer.
2311         Use POINTER_PLUS_EXPR for pointers.
2312         (aff_combination_to_tree): Use sizetype for the step if a
2313         pointer.
2314
2315 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
2316
2317         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
2318         Remove commutativity hint.
2319
2320 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
2321
2322         PR c/35438
2323         PR c/35439
2324         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
2325         errorneous type.  Check that v is a VAR_DECL.
2326
2327         PR middle-end/35099
2328         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
2329
2330 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
2331
2332         PR tree-optimization/35494
2333         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
2334         may be overriden at link and run time.
2335
2336 2008-03-10  Richard Guenther  <rguenther@suse.de>
2337
2338         PR tree-optimization/34677
2339         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
2340         (poolify_tree): Likewise.
2341         (modify_expr_template): Likewise.
2342         (poolify_modify_stmt): Likewise.
2343         (insert_fake_stores): Handle all component-ref style stores
2344         in addition to INDIRECT_REF.  Also handle complex types.
2345         Do not poolify the inserted load.
2346         (realify_fake_stores): Do not rebuild the tree but only
2347         make it a SSA_NAME copy.
2348         (init_pre): Remove initialzation of modify_expr_template.
2349         Do not allocate modify_expr_node_pool.
2350         (fini_pre): Do not free modify_expr_node_pool.
2351
2352 2008-03-10  Paul Brook  <paul@codesourcery.com>
2353
2354         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
2355         to avoid conflicts.
2356
2357 2008-03-10  Paul Brook  <paul@codesourcery.com>
2358             Mark Shinwell  <shinwell@codesourcery.com>
2359
2360         * config/arm/cortex-r4.md: New.
2361         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
2362         insn attributes.
2363         * config/arm/arm.md: Include cortex-r4.md.
2364         (insn): Add smmls, sdiv and udiv values.
2365         (generic_sched): Don't use generic scheduling for Cortex-R4.
2366         (arm_issue_rate): New function.
2367         (TARGET_SCHED_ISSUE_RATE): Define.
2368
2369 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
2370
2371         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
2372
2373 2008-03-10  Richard Guenther  <rguenther@suse.de>
2374
2375         * tree-ssa-pre.c (get_sccvn_value): Simplify.
2376         (compute_avail): Do not add stmt uses to AVAIL_OUT.
2377
2378 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
2379
2380         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
2381         Set default to true.
2382
2383 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2384
2385         * c.opt (Wsynth): Deprecate.
2386         * doc/invoke.texi (Option Summary, Warning Options): Document
2387         -Wno-format-contains-nul.
2388
2389 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
2390
2391         PR target/35496
2392         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
2393         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
2394
2395 2008-03-09  Ira Rosen  <irar@il.ibm.com>
2396
2397         * config/rs6000/rs6000.c (builtin_description): Rename vector
2398         left shift operations.
2399         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
2400         (altivec_vsl<VI_char>): Rename to ...
2401         (ashl<mode>3): ... new name.
2402         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
2403         gen_ashlv4si3.
2404         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
2405
2406 2008-03-08  Richard Guenther  <rguenther@suse.de>
2407
2408         * coverage.h (tree_coverage_counter_addr): Declare.
2409         * coverage.c (tree_coverage_counter_addr): New function.
2410         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
2411         before using again.
2412         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
2413         (tree_gen_one_value_profiler): Likewise.
2414         (tree_gen_ic_profiler): Likewise.
2415         (tree_gen_average_profiler): Likewise.
2416         (tree_gen_ior_profiler): Likewise.
2417
2418 2008-03-08  Richard Guenther  <rguenther@suse.de>
2419
2420         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
2421         (vn_binary_op_insert): Likewise.
2422         (vn_unary_op_lookup): Likewise.
2423         (vn_unary_op_insert): Likewise.
2424         (vn_nary_op_lookup): Declare.
2425         (vn_nary_op_insert): Likewise.
2426         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
2427         and binary hashes, use a single obstack for unary_op_pool
2428         and binary_op_pool.
2429         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
2430         a single struct vn_nary_op_s.  Store tree code length and
2431         a variable number of operands.
2432         (struct vn_reference_op_struct): Remove unused op2.
2433         (vn_reference_op_eq): Do not compare op2.
2434         (vn_reference_op_compute_hash): Do not compute hash of op2.
2435         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
2436         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
2437         with vn_nary_op_compute_hash.
2438         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
2439         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
2440         vn_nary_op_lookup.
2441         (vn_unary_op_insert, vn_binary_op_insert): Replace with
2442         vn_nary_op_insert.
2443         (visit_unary_op): Call nary functions.
2444         (visit_binary_op): Likewise.
2445         (process_scc): Adjust for struct vn_tables_s changes.
2446         (allocate_vn_table): Likewise.
2447         (free_vn_table): Likewise.
2448         * tree-vn.c (vn_add): Call nary functions.
2449         (vn_lookup): Likewise.
2450
2451 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
2452
2453         PR target/35498
2454         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
2455         wdst back after sync_compare_and_swapqhi_internal.
2456
2457 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
2458
2459         PR target/22152
2460         * config/i386/i386-modes.def (V1DI): New vector mode.
2461         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
2462         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
2463         (MMXMODE248): Ditto.
2464         (MMXMODE): Add V1DI mode.
2465         (mmxvecsize): Change DI mode to V1DI mode.
2466         ("mov<mode>): Use MMXMODEI8 mode iterator.
2467         ("*mov<mode>_internal_rex64"): Ditto.
2468         ("*mov<mode>_internal"): Ditto.
2469         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
2470         ("mmx_sub<mode>3"): Ditto.
2471         ("mmx_adddi3"): Remove insn pattern.
2472         ("mmx_subdi3"): Ditto.
2473         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
2474         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
2475         ("mmx_ashl<mode>3"): Ditto.
2476         ("mmx_lshrdi3"): Remove insn pattern.
2477         ("mmx_ashldi3"): Ditto.
2478         * config/i386/i386.c (classify_argument): Handle V1DImode.
2479         (function_arg_advance_32): Ditto.
2480         (function_arg_32): Ditto.
2481         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
2482         mmx_addv1di3 insn pattern.
2483         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
2484         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
2485         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
2486         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
2487         Remove definitions of built-in functions.
2488         (V1DI_type_node): New node.
2489         (v1di_ftype_v1di_int): Ditto.
2490         (v1di_ftype_v1di_v1di): Ditto.
2491         (v2si_ftype_v2si_si): Ditto.
2492         (v4hi_ftype_v4hi_di): Remove node.
2493         (v2si_ftype_v2si_di): Ditto.
2494         (ix86_init_mmx_sse_builtins): Handle V1DImode.
2495         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
2496         Redefine builtins using def_builtin_const with *_ftype_*_int node.
2497         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
2498         Add new builtins using def_builtin_const.
2499         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
2500         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
2501         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
2502         * config/i386/mmintrin.h (__v1di): New typedef.
2503         (_mm_add_si64): Cast arguments to __v1di type.
2504         (_mm_sub_si64): Ditto.
2505         (_mm_sll_pi16): Cast __count to __v4hi type.
2506         (_mm_sll_pi32): Cast __count to __v2si type.
2507         (_mm_sll_si64): Cast arguments to __v1di type.
2508         (_mm_srl_pi16): Cast __count to __v4hi type.
2509         (_mm_srl_pi32): Cast __count to __v2si type.
2510         (_mm_srl_si64): Cast arguments to __v1di type.
2511         (_mm_sra_pi16): Cast __count to __v4hi type.
2512         (_mm_sra_pi32): Cast __count to __v2si type.
2513         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
2514         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
2515         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
2516         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
2517         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
2518         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
2519         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
2520         (_mm_srai_pi32): Use __builtin_ia32_psradi.
2521         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
2522         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
2523         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
2524         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
2525
2526 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
2527
2528         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
2529
2530 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
2531
2532         PR target/35373
2533         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
2534         reg+const addressing for Altivec modes.  Don't generate reg+reg
2535         addressing for TFmode or TDmode quantities.
2536
2537 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
2538
2539         * c-common.c (vector_types_convertible_p): Call langhook
2540         instead of comptypes.
2541
2542 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2543
2544         PR tree-opt/35402
2545         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
2546         integral and scalar float variables which have a
2547         NULL DECL_INITIAL.
2548
2549 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
2550
2551         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
2552         dwarf_register_span hook when emitting unwind information for
2553         register-to-memory saves.
2554         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
2555         (rs6000_frame_related): Remove call to spe_synthesize_frame.
2556
2557 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
2558
2559         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
2560         for the same VAR_DECL.
2561
2562 2008-03-06  Tom Tromey  <tromey@redhat.com>
2563
2564         * treelang: Delete.
2565         * doc/standards.texi (Standards): Don't mention treelang.
2566         * doc/invoke.texi (Overall Options): Don't mention treelang.
2567         * doc/install.texi (Prerequisites): Don't mention bison or
2568         treelang.
2569         (Configuration): Don't mention treelang.
2570         (Building): Likewise.
2571         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
2572
2573 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
2574
2575         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
2576         word-extractions out of a multi-word object.
2577
2578 2008-03-06  Richard Guenther  <rguenther@suse.de>
2579
2580         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
2581         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
2582         result type and precision.
2583         * expr.c (get_inner_reference): Set unsignedp based on the result
2584         type of BIT_FIELD_REF.
2585         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
2586         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
2587         (try_instantiate_multiple_fields): Likewise.  Use the correct type
2588         for BIT_FIELD_REF.
2589         (sra_build_assignment): Likewise.
2590         (sra_build_elt_assignment): Likewise.
2591         (sra_explode_bitfield_assignment): Likewise.
2592         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
2593         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
2594         set BIT_FIELD_REF_UNSIGNED.
2595         (vectorizable_load): Likewise.
2596
2597 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
2598
2599         * cse.c (cse_extended_basic_block): Invalidate artificial defs
2600         at bb start.
2601
2602 2008-03-06  Richard Guenther  <rguenther@suse.de>
2603
2604         * alias.c (struct alias_set_entry): Move has_zero_child field
2605         to pack with alias_set.
2606
2607 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
2608
2609         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
2610         32bit host.
2611
2612 2008-03-05  Ian Lance Taylor  <iant@google.com>
2613
2614         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
2615
2616 2008-03-05  Kenneth Zadeck <zadeck@naturalbridge.com>
2617
2618         * fwprop.c (update_df): Support width and offset parameters of
2619         df_ref_create.
2620         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
2621         global_conflicts): Change DF_REF_EXTRACT to either
2622         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2623         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2624         * df-scan.c (df_ref_record, df_defs_record,
2625         df_ref_create_structure, df_def_record_1, df_uses_record,
2626         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
2627         df_bb_refs_collect, df_entry_block_defs_collect,
2628         df_exit_block_uses_collect): Support new width and offset fields.
2629         (ref_extract_pool): New storage pool.
2630         (df_free_ref): New function.
2631         (df_reg_chain_unlink, df_free_collection_rec,
2632         df_sort_and_compress_refs): Call df_free_ref.
2633         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
2634         of df_ref_extract.
2635         (df_ref_create_structure): Allocate df_ref_extract if offset and
2636         width fields are used.
2637         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
2638         (df_uses_record): Get offset and width from ZERO_EXTRACT 
2639         and SIGN_EXTRACT.
2640         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
2641         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2642         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2643         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
2644         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2645         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2646         (df_ref_extract): New structure.
2647         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
2648         (df_ref_create): Add width and offset parameters.
2649         
2650 2008-03-05  Richard Guenther  <rguenther@suse.de>
2651
2652         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2653         Use ranges_overlap_p.
2654         (offset_overlaps_with_access): Rename
2655         to ranges_overlap_p and move ...
2656         * tree-flow-inline.h (ranges_overlap_p): ... here.
2657
2658         * tree.h (get_inner_reference, handled_component_p): Update
2659         comments.
2660
2661         * tree.h (record_component_aliases, get_alias_set,
2662         alias_sets_conflict_p, alias_sets_must_conflict_p,
2663         objects_must_conflict_p): Move declarations ...
2664         * alias.h (record_component_aliases, get_alias_set,
2665         alias_sets_conflict_p, alias_sets_must_conflict_p,
2666         objects_must_conflict_p): ... here.
2667         Include coretypes.h.
2668         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
2669
2670 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
2671
2672         * cfg.c: Include tree-flow.h.
2673         (remove_edge_raw): Call redirect_edge_var_map_clear.
2674         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
2675         * tree-flow-inline.h (redirect_edge_var_map_def): New.
2676         (redirect_edge_var_map_result): New.
2677         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
2678         PENDING_STMT use with redirect_edge_var_map_*.
2679         * tree-ssa.c (edge_var_maps): New definition.
2680         (redirect_edge_var_map_add): New.
2681         (redirect_edge_var_map_clear): New.
2682         (redirect_edge_var_map_dup): New.
2683         (redirect_edge_var_map_vector): New.
2684         (redirect_edge_var_map_destroy): New.
2685         (ssa_redirect_edge): Replace PENDING_STMT use with
2686         redirect_edge_var_map_*.
2687         (flush_pending_stmts): Same.
2688         (delete_tree_ssa): Destroy edge var map.
2689         * tree-flow.h (struct _edge_var_map): New.
2690         Define edge_var_map vector type.
2691         Declare redirect_edge_var_map_* prototypes.
2692         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
2693         * tree-cfg.c (reinstall_phi_args): Replace
2694         PENDING_STMT use with redirect_edge_var_map_*.
2695
2696 2008-03-05  Richard Guenther  <rguenther@suse.de>
2697
2698         PR tree-optimization/35472
2699         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
2700         whose single use_stmt has a overlapping set of loaded and
2701         stored symbols as that use_stmt might be a noop assignment then.
2702
2703 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
2704
2705         * gthr-rtems.h: Implement __gthread_mutex_destroy.
2706
2707 2008-03-05  Richard Guenther  <rguenther@suse.de>
2708
2709         PR c++/35336
2710         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
2711         should be constants.
2712         * tree-cfg.c (verify_expr): Verify it.
2713         * fold-const.c (fold_truthop): Remove code generating
2714         BIT_FIELD_REFs of structure bases.
2715         (fold_binary): Likewise.
2716         (fold_ternary): Position and size of BIT_FIELD_REFs are
2717         always host integers.
2718         (make_bit_field_ref): Remove.
2719         (optimize_bit_field_compare): Remove.
2720         (all_ones_mask_p): Remove.
2721
2722 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
2723
2724         PR gcc/33009
2725         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
2726         (split_block_and_df_analyze): New. Split basic block and rebuild
2727         dataflow.
2728         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
2729         SPLIT_BLOCK.
2730         (split_pattern_seq): Likewise.
2731         (erase_matching_seqs): Likewise.
2732         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
2733
2734 2008-03-04  Geoff Keating  <geoffk@apple.com>
2735
2736         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
2737         declaration and code.
2738         (tree_invalid_nonnegative_warnv_p): Likewise.
2739
2740 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
2741
2742         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
2743         examples.  Truncate option-names then causing overfull hbox.
2744
2745 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2746
2747         PR target/35222
2748         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
2749         on hpux10.
2750         * configure: Rebuilt.
2751
2752 2008-03-04  Rafael Espindola  <espindola@google.com>
2753
2754         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
2755         (tree_unary_nonnegative_warnv_p): New.
2756         (tree_binary_nonnegative_warnv_p): New.
2757         (tree_single_nonnegative_warnv_p): New.
2758         (tree_invalid_nonnegative_warnv_p): New.
2759         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
2760
2761 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2762
2763         PR 28322
2764         * opts.c (handle_option): Postpone 'unknown option' errors only for
2765         warning options.
2766
2767 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
2768
2769         PR target/35453
2770         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
2771         (_SIDD_XXX): This.
2772
2773 2008-03-04  Rafael Espindola  <espindola@google.com>
2774
2775         * fold-const.c (tree_unary_nonzero_warnv_p): New.
2776         (tree_binary_nonzero_warnv_p): New.
2777         (tree_single_nonzero_warnv_p): New.
2778         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
2779
2780 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
2781
2782         PR middle-end/35456
2783         * fold-const.c (fold_cond_expr_with_comparison): Prevent
2784         transformations for modes that have signed zeros.
2785         * ifcvt.c (noce_try_abs): Ditto.
2786
2787 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
2788
2789         * config/i386/i386.c (override_options): Force
2790         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
2791
2792 2008-03-04  Jan Hubicka  <jh@suse.cz>
2793
2794         PR c++/35262
2795         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
2796         in last commit.
2797
2798 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
2799
2800         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
2801         label to probe the stack.
2802
2803 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
2804
2805         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
2806         (__gthr_win32_mutex_destroy): Declare.
2807         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
2808         __gthr_win32_mutex_destroy.
2809         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
2810
2811 2008-03-03  Jan Hubicka  <jh@suse.cz>
2812
2813         PR c++/35262
2814         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
2815         aggressive on inlining cold calls.
2816
2817 2008-03-03  Richard Guenther  <rguenther@suse.de>
2818
2819         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
2820         struct copies into the expression table.
2821         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
2822         (try_to_simplify): Likewise.
2823         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
2824         integral and pointer arguments which do not change the
2825         precision to NOP_EXPRs.
2826         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
2827         VIEW_CONVERT_EXPR case.
2828
2829 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2830
2831         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
2832         defined in a loop at depth 0 is invariant.
2833         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
2834         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
2835         be called at loop depth 0.
2836
2837 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
2838
2839         PR driver/35420
2840         * gcc.c (process_command): Update copyright notice dates.
2841         * gcov.c (print_version): Likewise.
2842         * gcov-dump.c (print_version): Likewise.
2843         * mips-tfile.c (main): Likewise.
2844         * mips-tdump.c (main): Likewise.
2845
2846 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2847
2848         PR 24924
2849         * c-common.c (flag_permissive): Delete.
2850         (constant_expression_warnings): Check flags first.
2851         (constant_expression_error): New.
2852         * c-common.h (flag_permissive): Delete.
2853         (constant_expression_error): Declare.
2854         * flags.h (flag_permissive): Declare. Update description.
2855         * diagnostic.c (pedwarn): Update.
2856         (permerror): New.
2857         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
2858         (permissive_error_kind): New.
2859         * toplev.c (flag_permissive): Define. Update description.
2860         * toplev.h (permissive_error_kind): Declare.
2861         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
2862         (pedwarn_c90): Use pedantic_warning_kind.
2863         * c-opts.c (c_common_post_options): flag_permissive does not affect
2864         flag_pedantic_errors.
2865
2866 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
2867
2868         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
2869         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
2870         __absvsi2, __absvDI2): Use unsigned arithmetic.
2871
2872 2008-03-02  Andi Kleen  <ak@suse.de>
2873             Richard Guenther  <rguenther@suse.de>
2874
2875         * struct-equiv.c: Remove file.
2876         * cfg_cleanup.c (condjump_equiv_p): Remove.
2877         * Makefile.in (OBJS-common): Remove struct-equiv.o.
2878         (struct-equiv.o): Remove rule.
2879         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
2880         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
2881         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
2882
2883 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2884
2885         * ifcvt.c (noce_process_if_block): Try to handle only the then
2886         block if the else block exists but isn't suitable.
2887
2888 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
2889
2890         PR gcc/35063
2891         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
2892         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
2893         regression from previous patch.
2894
2895 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
2896
2897         PR gcc/35063
2898         * gthr.h: Add __gthread_mutex_destroy as a function that must be
2899         implemented.
2900         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
2901         * gthr-single.h (__gthread_mutex_destroy): Likewise.
2902         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
2903         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
2904         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
2905         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
2906         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
2907         (__gthread_mutex_destroy_function): Rename to
2908         __gthread_mutex_destroy.
2909         * gthr-dce.h (__gthread_mutex_destroy): Call
2910         pthread_mutex_destroy.
2911         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
2912         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
2913         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
2914
2915 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2916
2917         * df-scan.c (df_ref_chain_change_bb): Simplify.
2918         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
2919         set_block_for_insn if there's any change.
2920         * df.h ((df_insn_change_bb): Fix prototype.
2921         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
2922         df_insn_change_bb, don't call set_block_for_insn.
2923         * emit-rtl.c (reorder_insns): Likewise.
2924         * haifa-sched.c (move_insn): Likewise.
2925
2926 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2927
2928         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
2929
2930 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2931
2932         * tree-flow-inline.h (next_readonly_imm_use): Return
2933         NULL_USE_OPERAND_P after the end.
2934
2935 2008-03-01  Richard Guenther  <rguenther@suse.de>
2936
2937         PR tree-optimization/35411
2938         * tree-sra.c (sra_build_assignment): Split conversion to
2939         final type to a separate statement if we are not assigning
2940         to a register.
2941
2942 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2943
2944         * fold-const.c (fold_convertible_p): Correct the logic to follow
2945         that in fold_convert().
2946
2947 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
2948
2949         PR c++/35315
2950         * tree-inline.c (build_duplicate_type): When we make a
2951         duplicate type, make it unique in the canonical types system.
2952
2953 2008-02-29  Tom Tromey  <tromey@redhat.com>
2954
2955         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
2956         input_file_stack_history, input_file_stack_restored): Remove.
2957         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2958         * input.h (struct file_stack): Remove.
2959         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2960         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
2961         Likewise.
2962         * diagnostic.h (struct diagnostic_context) <last_module>: Change
2963         type.
2964         (diagnostic_last_module_changed): Add 'map' argument.
2965         (diagnostic_set_last_function): Likewise.
2966         * diagnostic.c (undiagnostic_report_current_module): Iterate using
2967         line map, not input_file_stack.
2968         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
2969
2970 2008-02-29  Paul Brook  <paul@codesourcery.com>
2971
2972         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
2973
2974 2008-02-29  Paul Brook  <paul@codesourcery.com>
2975
2976         * config/arm/ieee754-df.S (muldf3): Use RET macros.
2977
2978 2008-02-29  Richard Guenther  <rguenther@suse.de>
2979
2980         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
2981         vn_lookup_or_add.
2982         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
2983         value for comparing for a store match.
2984         (simplify_unary_expression): Do nothing for SSA_NAMEs.
2985         (try_to_simplify): Do not do a full-blown reference lookup.
2986
2987 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
2988
2989         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
2990         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2991
2992         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
2993
2994 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
2995
2996         * tree-loop-linear.c (try_interchange_loops): Compare memory access
2997         strides against cache sizes.
2998
2999 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
3000
3001         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
3002         constant to fpul.
3003
3004 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
3005
3006         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
3007         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
3008         is smaller than the original promoted value.
3009         (simplify_subreg): If OP is a SUBREG, try to preserve its
3010         SUBREG_PROMOTED_VAR_P information.
3011
3012 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
3013
3014         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
3015         (VN_INFO_GET): Allocate new objects on the obstack.
3016         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
3017         for rpo_numbers_temp, for consistency.
3018         (free_scc_vn): Free the obstack.
3019
3020 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
3021
3022         * doc/invoke.texi: Document -ftree-loop-distribution.
3023         * tree-loop-distribution.c: New.
3024         * tree-pass.h (pass_loop_distribution): New.
3025         * graphds.h (struct graph): Add htab_t indices.
3026         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
3027         * tree-vectorizer.c (rename_variables_in_loop): Extern.
3028         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
3029         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
3030         * tree-data-ref.c (debug_data_dependence_relations): New.
3031         (dump_data_dependence_relation): Also print data references.
3032         (free_data_ref): Extern.
3033         (same_access_functions): Moved...
3034         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
3035         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
3036         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
3037         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
3038         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
3039         (stmts_from_loop): Skip LABEL_EXPR.
3040         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
3041         New.
3042         (build_rdg): Initialize rdg->indices htab.
3043         (free_rdg, stores_from_loop, ref_base_address,
3044         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
3045         have_similar_memory_accesses_1, ref_base_address_1,
3046         remove_similar_memory_refs): New.
3047         * tree-data-ref.h: Depend on tree-chrec.h.
3048         (debug_data_dependence_relations, free_data_ref): Declared.
3049         (same_access_functions): ... here.
3050         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
3051         New.
3052         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
3053         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
3054         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
3055         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
3056         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
3057         rdg_vertex_for_stmt): Declared.
3058         (struct rdg_edge): Add level.
3059         (RDGE_LEVEL): New.
3060         (free_rdg, stores_from_loop, remove_similar_memory_refs,
3061         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
3062         Declared.
3063         (rdg_has_similar_memory_accesses): New.
3064         * tree-vect-analyze.c: Remove unused static decls.
3065         * lambda.h (dependence_level): New.
3066         * common.opt (ftree-loop-distribution): New.
3067         * tree-flow.h (mark_virtual_ops_in_bb, 
3068         slpeel_tree_duplicate_loop_to_edge_cfg,
3069         rename_variables_in_loop): Declared.
3070         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
3071         (OBJS-common): Add tree-loop-distribution.o.
3072         (tree-loop-distribution.o): New rule.
3073         * tree-cfg.c (mark_virtual_ops_in_bb): New.
3074         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
3075         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
3076
3077 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
3078
3079         PR target/33963
3080         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
3081         other than structures and unions.
3082
3083 2008-02-28  Richard Guenther  <rguenther@suse.de>
3084
3085         Revert:
3086         2008-02-26  Richard Guenther  <rguenther@suse.de>
3087
3088         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3089         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3090         (lookup_decl_from_uid): Declare.
3091         (remove_decl_from_map): Likewise.
3092         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3093         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3094         (decl_for_uid_map): New global hashtable mapping DECL_UID
3095         to the decl tree.
3096         (init_ttree): Allocate it.
3097         (insert_decl_to_uid_decl_map): New helper function.
3098         (make_node_stat): Insert new decls into the map.
3099         (copy_node_stat): Likewise.
3100         (lookup_decl_from_uid): New function.
3101         (remove_decl_from_map): Likewise.
3102         (print_decl_for_uid_map_statistics): New helper.
3103         (dump_tree_statistics): Call it.
3104
3105         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3106         (referenced_var_iterator): Adjust.
3107         (FOR_EACH_REFERENCED_VAR): Adjust.
3108         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3109         (num_referenced_vars): Adjust.
3110         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3111         (first_referenced_var): Remove.
3112         (end_referenced_vars_p): Likewise.
3113         (next_referenced_var): Likewise.
3114         (referenced_var_iterator_set): New helper function.
3115         * tree-dfa.c (referenced_var_lookup): Adjust.
3116         (referenced_var_check_and_insert): Likewise.
3117         (remove_referenced_var): Likewise.
3118         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3119         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3120         (verify_call_clobbering): Likewise.
3121         (verify_memory_partitions): Likewise.
3122         (init_tree_ssa): Allocate bitmap instead of hashtable for
3123         referenced_vars.
3124         (delete_tree_ssa): Adjust.
3125         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3126         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3127         (compute_tag_properties): Likewise.
3128         (set_initial_properties): Likewise.
3129         (find_partition_for): Likewise.
3130         (update_reference_counts): Likewise.
3131         (dump_may_aliases_for): Likewise.
3132         * tree-ssa-operands.c (add_virtual_operand): Likewise.
3133         (add_call_clobber_ops): Likewise.
3134         (add_call_read_ops): Likewise.
3135         (get_asm_expr_operands): Likewise.
3136         * tree-into-ssa.c (dump_decl_set): Likewise.
3137         (update_ssa): Likewise.
3138         * tree-sra.c (scan_function): Likewise.
3139         (decide_instantiations): Likewise.
3140         (scalarize_parms): Likewise.
3141         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3142         (dsa_named_for): Likewise.
3143         * tree-ssa-structalias.c (update_alias_info): Likewise.
3144         (merge_smts_into): Likewise.
3145
3146 2008-02-27  David Daney  <ddaney@avtrex.com>
3147
3148         PR target/34409
3149         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
3150         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
3151         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
3152         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
3153         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
3154
3155 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
3156
3157         PR target/25477
3158         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
3159         (BUILT_IN_NEXTTOWARD): Remove.
3160         (BUILT_IN_NEXTTOWARDF): Ditto.
3161         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
3162         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
3163
3164 2008-02-27  Tom Tromey  <tromey@redhat.com>
3165
3166         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
3167         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
3168
3169 2008-02-27  Jan Beulich  <jbeulich@novell.com>
3170
3171         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
3172         update the respective field on newdecl.
3173
3174 2008-02-27  Revital Eres  <eres@il.ibm.com>
3175
3176         PR rtl-optimization/34999
3177         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
3178         crossing edges that ends with a call insn.
3179         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
3180         call insn and clear the EDGE_CROSSING flag of the crossing edge
3181         when fixing fallthru edges.
3182
3183 2008-02-27  Richard Guenther  <rguenther@suse.de>
3184
3185         PR middle-end/35390
3186         * fold-const.c (fold_unary): Return the correct argument,
3187         converted to the result type.
3188
3189 2008-02-27  Richard Guenther  <rguenther@suse.de>
3190
3191         PR middle-end/34971
3192         * expr.c (expand_expr_real_1): Assert on rotates that operate
3193         on partial modes.
3194         * fold-const.c (fold_binary): Use the types precision, not the
3195         bitsize of the mode if folding rotate expressions.  Build rotates
3196         only for full modes.
3197
3198 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
3199
3200         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
3201         and CPP_PRAGMA_EOL.
3202         * c-pragma.c (pragma_ns_name): New typedef.
3203         (registered_pp_pragmas): New variable.
3204         (c_pp_lookup_pragma): New function.
3205         (c_register_pragma_1): If flag_preprocess_only, do nothing
3206         for non-expanded pragmas, for expanded ones push pragma's
3207         namespace and name into registered_pp_pragmas vector.
3208         (c_invoke_pragma_handler): Register OpenMP pragmas even when
3209         flag_preprocess_only, don't register GCC pch_preprocess
3210         pragma if flag_preprocess_only.
3211         * c-opts.c (c_common_init): Call init_pragma even if
3212         flag_preprocess_only.
3213         * c-pragma.c (c_pp_lookup_pragma): New prototype.
3214         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
3215         cpp_register_pragma if flag_preprocess_only.
3216
3217 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3218
3219         PR c/28800
3220         * c-parser.c (c_parser_translation_unit): Warn for empty
3221         translation unit, not empty source file.
3222
3223 2008-02-26  Paul Brook  <paul@codesourcery.com>
3224
3225         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
3226         operand for Thumb-2.
3227         * config/arm/arm.h (reg_class): Add CORE_REGS.
3228         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
3229         (BASE_REG_CLASS): Use CORE_REGS.
3230         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
3231         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
3232         (REGNO_OK_FOR_INDEX_P): Exclude SP.
3233         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
3234         ARM_REGNO_OK_FOR_INDEX_P.
3235         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
3236         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
3237         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
3238         (ldm/stm peepholes): Ditto.
3239         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
3240         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
3241         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
3242         * config/arm/constraints.md: Enable "k" constraint on ARM.
3243
3244 2008-02-27  Ben Elliston  <bje@au.ibm.com>
3245
3246         * config/rs6000/rs6000.c: Annotate cache line size field in all
3247         instances of struct processor_costs.
3248
3249 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
3250
3251         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
3252         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
3253         jump_bypass): New counters.
3254         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
3255         * dce.c (gate_ud_dce): Same.
3256         (gate_fast_dce): Same.
3257         * dse.c (gate_dse1): New function.
3258         (gate_dse2): New function.
3259         (gate_dse): Merge results of new gate functions.
3260         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
3261         (gate_handle_jump_bypass): Add dbg_cnt.
3262         (gate_handle_gcse): Add dbg_cnt.
3263         * ifcvt.c (gate_handle_if_conversion): Same.
3264         (gate_handle_if_after_combine): Same.
3265         (gate_handle_if_after_reload): Same.
3266         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
3267
3268 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
3269
3270         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
3271         line sizes.
3272         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
3273
3274 2008-02-26  Jason Merrill  <jason@redhat.com>
3275
3276         PR c++/35315
3277         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
3278         alone if it's the naming decl for the type's main variant.
3279
3280 2008-02-26  Tom Tromey  <tromey@redhat.com>
3281
3282         * system.h (USE_MAPPED_LOCATION): Poison.
3283         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
3284         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
3285         (make_goto_expr_edges): Likewise.
3286         (remove_bb): Likewise.
3287         (execute_warn_function_return): Likewise.
3288         * basic-block.h (struct edge_def) <goto_locus>: Change type to
3289         location_t.
3290         * c-common.c (fname_decl): Remove old location code.
3291         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
3292         location code.
3293         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
3294         variant.
3295         (ASM_INPUT_SOURCE_LOCATION): Likewise.
3296         (gen_rtx_ASM_INPUT): Likewise.
3297         (gen_rtx_ASM_INPUT_loc): Likewise.
3298         (get_rtx_asm_OPERANDS): Remove.
3299         * cfglayout.c (insn_locators_alloc): Remove old location code.
3300         (set_curr_insn_source_location): Likewise.
3301         (curr_insn_locator): Likewise.
3302         * print-tree.c (print_node): Remove old location code.
3303         * tree-mudflap.c (mf_varname_tree): Remove old location code.
3304         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
3305         * cfgexpand.c (expand_gimple_cond_expr): Don't use
3306         location_from_locus.
3307         (construct_exit_block): Remove old location code.
3308         * emit-rtl.c (force_next_line_note): Remove old location code.
3309         * profile.c (branch_prob): Remove old location code.
3310         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
3311         LOC_LINE): Remove old-location variants.
3312         * langhooks.c (lhd_print_error_function): Remove old location
3313         code.
3314         * configure, config.in: Rebuilt.
3315         * configure.ac (--enable-mapped-location): Remove.
3316         * c-decl.c (c_init_decl_processing): Remove old location code.
3317         (finish_function): Likewise.
3318         * recog.c (decode_asm_operands): Remove old location code.
3319         * c-pch.c (c_common_read_pch): Remove old location code.
3320         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
3321         variants.
3322         * gimple-low.c (lower_function_body): Remove old location code.
3323         * toplev.c (unknown_location): Remove.
3324         (push_srcloc): Remove old-location variant.
3325         (process_options): Remove old location code.
3326         (lang_dependent_init): Likewise.
3327         * input.h (UNKNOWN_LOCATION): Move definition.
3328         (location_t): Undeprecate.
3329         (source_locus): Remove.
3330         (location_from_locus): Remove.
3331         (struct location_s): Remove.
3332         Remove all old-location code.
3333         (input_line, input_filename): Remove.
3334         * final.c (final_scan_insn): Remove old location code.
3335         * diagnostic.c (diagnostic_build_prefix): Remove
3336         USE_MAPPED_LOCATION test.
3337         * tree.h (gimple_stmt) <locus>: Now a location_t.
3338         (tree_exp) <locus>: Likewise.
3339         (DECL_IS_BUILTIN): Remove old-location variant.
3340         (annotate_with_file_line, annotate_with_locus): Likewise.
3341         (expr_locus, set_expr_locus): Update.
3342         * tree.c (build1_stat): Remove old location code.
3343         (last_annotated_node): Remove.
3344         (annotate_with_file_line): Remove old-location variant.
3345         (annotate_with_locus): Likewise.
3346         (expr_location): Remove old location code.
3347         (set_expr_location): Likewise.
3348         (expr_has_location): Likewise.
3349         (expr_locus): Likewise.
3350         (set_expr_locus): Likewise.
3351         (expr_filename): Don't use location_from_locus.
3352         (expr_lineno): Likewise.
3353         * rtl-error.c (location_for_asm): Remove old location code.
3354         * c-lex.c (cb_line_change): Remove old location code.
3355         (fe_file_change): Likewise.
3356         (cb_def_pragma): Likewise.
3357         (c_lex_with_flags): Likewise.
3358         * gengtype.c (do_typedef): Don't special-case location types.
3359         (define_location_structures): Remove.
3360         (main): Don't call define_location_structures.
3361         * tree-pretty-print.c (dump_implicit_edges): Remove old location
3362         code.
3363
3364 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3365
3366         PR 26264
3367         * builtins.def (BUILT_IN_STDARG_START): Remove.
3368         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
3369         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
3370         * tree-inline.c (inline_forbidden_p_1): Likewise.
3371         
3372 2008-02-26  Richard Guenther  <rguenther@suse.de>
3373
3374         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3375         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3376         (lookup_decl_from_uid): Declare.
3377         (remove_decl_from_map): Likewise.
3378         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3379         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3380         (decl_for_uid_map): New global hashtable mapping DECL_UID
3381         to the decl tree.
3382         (init_ttree): Allocate it.
3383         (insert_decl_to_uid_decl_map): New helper function.
3384         (make_node_stat): Insert new decls into the map.
3385         (copy_node_stat): Likewise.
3386         (lookup_decl_from_uid): New function.
3387         (remove_decl_from_map): Likewise.
3388         (print_decl_for_uid_map_statistics): New helper.
3389         (dump_tree_statistics): Call it.
3390
3391         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3392         (referenced_var_iterator): Adjust.
3393         (FOR_EACH_REFERENCED_VAR): Adjust.
3394         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3395         (num_referenced_vars): Adjust.
3396         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3397         (first_referenced_var): Remove.
3398         (end_referenced_vars_p): Likewise.
3399         (next_referenced_var): Likewise.
3400         (referenced_var_iterator_set): New helper function.
3401         * tree-dfa.c (referenced_var_lookup): Adjust.
3402         (referenced_var_check_and_insert): Likewise.
3403         (remove_referenced_var): Likewise.
3404         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3405         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3406         (verify_call_clobbering): Likewise.
3407         (verify_memory_partitions): Likewise.
3408         (init_tree_ssa): Allocate bitmap instead of hashtable for
3409         referenced_vars.
3410         (delete_tree_ssa): Adjust.
3411         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3412         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3413         (compute_tag_properties): Likewise.