OSDN Git Service

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