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