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PR target/35504
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1 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
2
3         PR target/35504
4         * config/i386/i386.c (x86_this_parameter): Calculate correct location
5         of "this" pointer when "regparm = N" or "fastcall" is in effect.
6
7 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8
9         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
10
11 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
12
13         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
14         is true.
15         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
16         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
17         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
18         target after ignore has been set, and move there also the commputation
19         of subtarget and original_target.
20         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
21         (LANG_HOOKS_INITIALIZER): Remove it.
22         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
23
24 2008-03-18  Richard Guenther  <rguenther@suse.de>
25
26         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
27         found an expression with constants, note that in the VN for the lhs.
28         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
29         fold them to constants if possible.  Run cleanup_cfg if done so.
30         (execute_pre): Return todo.
31         (do_pre): Likewise.
32         (execute_fre): Likewise.
33         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
34         of constants.
35         (get_prop_source_stmt): Look through pointer conversions.
36
37 2008-03-18  Jan Hubicka  <jh@suse.cz>
38
39         * tree-pretty-print.c: Include predict.h.
40         (dump_generic_node): Dump predictor.
41         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
42         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
43         * gimple-low.c (lower_stmt): Likewise.
44         * expr.c (expand_expr_real): Likewise.
45         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
46         them.
47         (build_predict_expr, build_predict_expr): New.
48         * predict.h (predictor_name, build_predict_expr): Update.
49         * c-typeck.c (c_finish_bc_stmt): Add prediction.
50         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
51         * predict.def (PRED_CONTINUE): Update hitrate.
52         * tree.def (PREDICT_EXPR): Define.
53         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
54         do not handle BIND_EXPR.
55         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
56         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
57         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
58         operands.
59
60 2008-03-18  Michael Matz  <matz@suse.de>
61
62         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
63
64 2008-03-18  Richard Guenther  <rguenther@suse.de>
65
66         * tree-gimple.h (is_gimple_invariant_address): Declare.
67         (is_gimple_constant): Likewise.
68         * tree-gimple.c (is_gimple_constant): New function.
69         (is_gimple_invariant_address): Likewise.
70         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
71         and is_gimple_invariant_address.
72         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
73         previous change.
74         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
75         an addressable base.
76
77 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
78
79         PR middle-end/35611
80         * gimplify.c (gimplify_expr): Gimplify second operand of
81         OMP_ATOMIC_LOAD.
82
83 2008-03-17  Richard Guenther  <rguenther@suse.de>
84
85         * tree-pretty-print.c: Include predict.h.
86         (dump_generic_node): Dump predictor.
87         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
88         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
89         * gimple-low.c (lower_stmt): Likewise.
90         * expr.c (expand_expr_real): Likewise.
91         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
92         them.
93         (build_predict_expr, build_predict_expr): New.
94         * predict.h (predictor_name, build_predict_expr): Update.
95         * c-typeck.c (c_finish_bc_stmt): Add prediction.
96         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
97         * predict.def (PRED_CONTINUE): Update hitrate.
98         * tree.def (PREDICT_EXPR): Define.
99         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
100         do not handle BIND_EXPR.
101         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
102         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
103         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
104         operands.
105
106 2008-03-17  Richard Guenther  <rguenther@suse.de>
107
108         PR tree-optimization/19637
109         * fold-const.c (fold_unary): Remove restrictions of removing
110         intermediate pointer-conversions (P2)(P1)P0.
111         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
112         conversion to void pointer.
113         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
114
115 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
116
117         PR debug/31510
118         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
119         emulated thread local variables.
120
121 2008-03-16  Richard Guenther  <rguenther@suse.de>
122
123         PR middle-end/35607
124         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
125         expand TREE_INVARIANT operations that are not gimple invariant.
126
127 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
128
129         * doc/extend.texi (Alignment): Say that the ABI controls
130         the __alignof__ for non-strict-alignment targets rather
131         than being a recommendation.
132
133 2008-03-15  Paul Brook  <paul@codesourcery.com>
134
135         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
136         annotations.
137         (arm_output_fn_unwind): Mark functions that can not be unwound.
138
139 2008-03-15  Paul Brook  <paul@codesourcery.com>
140
141         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
142         extension instructions.
143
144 2008-03-15  Richard Guenther  <rguenther@suse.de>
145
146         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
147         and fold constant aggregate refs.
148         (fold_const_aggregate_ref): Handle string constants
149         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
150         (evaluate_stmt): Simplify now that ccp_fold folds constant
151         aggregate refs.
152
153 2008-03-15  Paul Brook  <paul@codesourcery.com>
154
155         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
156         (extzv): Use gen_extzv_t2.
157         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
158
159 2008-03-15  Richard Guenther  <rguenther@suse.de>
160
161         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
162         (fold_const_aggregate_ref): Likewise.
163         (get_value): Return NULL if we don't have any values.
164         (ccp_finalize): Set const_val to NULL after freeing it.
165         * tree-flow.h (get_symbol_constant_value): Declare.
166         (fold_const_aggregate_ref): Likewise.
167         * tree-ssa-sccvn.c (try_to_simplify): Use them.
168
169 2008-03-15  Richard Guenther  <rguenther@suse.de>
170
171         PR middle-end/35593
172         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
173         to not produce negative array indices if not allowed.  Add
174         parameter to indicate that.
175         (maybe_fold_offset_to_component_ref): Allow negative array
176         indices only for the first member of a structure.
177         (maybe_fold_offset_to_reference): Allow negative array indices.
178         (maybe_fold_stmt_addition): Likewise.
179
180 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
181             Anatoly Sokolov <aesok@post.ru>
182
183         * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
184         (avr_arch): Add ARCH_AVR6.
185         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
186         (initial_elimination_offset): Initialize and use 'avr_pc_size' 
187         instead of fixed value 2.
188         (print_operand_address): Use gs() asm specifier instead of pm().
189         (avr_assemble_integer): (Ditto.).
190         (avr_output_addr_vec_elt): (Ditto.).
191         (print_operand): Handle "!" code.
192         * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add 
193         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
194         (AVR_HAVE_EIJMP_EICALL): Define.
195         (AVR_3_BYTE_PC): Redefine.
196         (AVR_2_BYTE_PC): (Ditto.).
197         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
198         (LINK_SPEC): Add atmega2560 and atmega2561.
199         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561 
200         (crtm2561.o).
201         * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall 
202         for 3 byte PC devices.
203         (call_value_insn): (Ditto.).
204         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
205         (indirect_jump): Use only for for 2 byte PC devices.
206         (*tablejump): (Ditto.).
207         (*indirect_jump_avr6): Add insn.
208         (*tablejump_rjmp): Don't use for 3 byte PC devices.
209         * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp 
210         instead of ijmp for 3 byte PC devices.
211         (__tablejump2__): (Ditto.).
212         * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
213         (MULITLIB_DIRNAMES): (Ditto.). 
214         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
215
216 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
217
218         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
219         "sse2_umulsidi3".  Use V1DI mode for operand 0.
220         ("mmx_psadbw"): Use V1DI mode for operand 0.
221         * config/i386/i386-modes.def (V1SI): New vector mode.
222         * config/i386/i386.c (struct builtin_description)
223         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
224         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
225         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
226         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
227         v1di_ftype_v8qi_v8qi type.
228         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
229
230         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
231         __builtin_ia32_pmuludq]: Fix the mode of return value.
232
233 2008-03-15  Richard Guenther  <rguenther@suse.de>
234
235         PR middle-end/35595
236         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
237         being a PHI_NODE.
238
239 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
240         
241         * doc/invoke.texi (Option Summary, Xtensa Options): Document
242         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
243         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
244         unless TARGET_SERIALIZE_VOLATILE is enabled.
245         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
246         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
247         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
248
249 2008-03-14  Richard Guenther  <rguenther@suse.de>
250
251         PR tree-optimization/34172
252         * tree-flow.h (refs_may_alias_p): Declare.
253         (get_single_def_stmt): Likewise.
254         (get_single_def_stmt_from_phi): Likewise.
255         (get_single_def_stmt_with_phi): Likewise.
256         * tree-dfa.c (refs_may_alias_p): New function.
257         (get_single_def_stmt): Likewise.
258         (get_single_def_stmt_from_phi): Likewise.
259         (get_single_def_stmt_with_phi): Likewise.
260         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
261         (vn_reference_lookup_1): New helper function.
262         (vn_reference_lookup): Walk the virtual use-def chain to
263         continue searching for a match if the def does not alias the
264         reference we are looking for.
265
266 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
267
268         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
269         archive and Perzl.  Update The Written Word listing.
270
271 2008-03-14  Richard Guenther  <rguenther@suse.de>
272
273         PR tree-optimization/34043
274         PR tree-optimization/33989
275         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
276         when doing FRE.
277         (bitmap_find_leader): Use extra argument to verify dominance
278         relationship inside a basic-block.
279         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
280         (find_leader_in_sets): Adjust.
281         (create_component_ref_by_pieces): Take extra argument for
282         dominance check, handle lookup failures.
283         (find_or_generate_expression): Likewise.
284         (create_expression_by_pieces): Likewise.
285         (insert_into_preds_of_block): Adjust.
286         (create_value_expr_from): If asked for, verify all operands
287         are in the blocks AVAIL_OUT set.
288         (make_values_for_stmt): Check for SSA_NAMEs that are life
289         over an abnormal edge.
290         (compute_avail): Remove such check.
291         (do_SCCVN_insertion): New function.
292         (eliminate): If we do not find a leader suitable for replacement
293         insert a replacement expression from SCCVN if available.
294         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
295         (struct vn_ssa_aux): Add needs_insertion flag.
296         * tree-ssa-sccvn.c (may_insert): New global flag.
297         (copy_reference_ops_from_ref): Value-number union member access
298         based on its size, not type and member if insertion is allowed.
299         (visit_reference_op_load): For a weak match from union type
300         punning lookup a view-converted value and insert a SSA_NAME
301         for that value if that is not found.
302         (visit_use): Make dumps shorter.  Do not disallow value numbering
303         SSA_NAMEs that are life over an abnormal edge to constants.
304         (free_scc_vn): Release inserted SSA_NAMEs.
305         (run_scc_vn): New flag to specify whether insertion is allowed.
306         Process SSA_NAMEs in forward order.
307         * tree-ssa-loop-im.c (for_each_index): Handle invariant
308         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
309         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
310         pointer type to/from integral types that do not change the
311         precision to regular conversions.
312
313 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
314
315         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
316         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
317         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
318         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
319         input arguments and the mode of return value.  Built-in functions
320         that operate on whole 64-bit MMX register now use V1DI mode.
321
322 2008-03-13  Alon Dayan  <alond@il.ibm.com>
323             Olga Golovanevsky  <olga@il.ibm.com>
324
325         PR tree-optimization/35041
326         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
327         to locate the right position in a statement.
328
329 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
330
331         PR target/34000
332         PR target/35553
333         * config/i386/xmmintrin.h:  Change all static inline functions to
334         extern inline and add __gnu_inline__ attribute.
335         * config/i386/bmintrin.h: Ditto.
336         * config/i386/smmintrin.h: Ditto.
337         * config/i386/tmmintrin.h: Ditto.
338         * config/i386/mmintrin-common.h: Ditto.
339         * config/i386/ammintrin.h: Ditto.
340         * config/i386/emmintrin.h: Ditto.
341         * config/i386/pmmintrin.h: Ditto.
342         * config/i386/mmintrin.h: Ditto.
343         * config/i386/mm3dnow.h: Ditto.
344
345 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
346
347         PR middle-end/35185
348         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
349         (lower_omp_2): New function.
350         (lower_omp_1, lower_omp): Rewritten.
351
352 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
353
354         PR 35054
355         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
356         with the phrase "Microsoft Windows compilers".
357         (Push/Pop Macro Pragmas): New subsection. Document
358         #pragma push_macro and pragma pop_macro.
359
360 2008-03-12  Paul Brook  <paul@codesourcery.com>
361
362         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
363
364 2008-03-12  Paul Brook  <paul@codesourcery.com>
365
366         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
367         (thumb2_alusi3_short): Exclude PLUS and MINUS.
368         (thumb2_addsi_shortim): Rename ...
369         (thumb2_addsi_short): ... to this.  Allow register operands.
370         (thumb2_subsi_short): New pattern.
371         (thumb2_one_cmplsi2_short,
372         thumb2_negsi2_short): New patterns and peepholes.
373
374 2008-03-12  Paul Brook  <paul@codesourcery.com>
375
376         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
377
378 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
379
380         * config/i386/i386.md (int_cond): New code iterator.
381         (fp_cond): Ditto.
382         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
383         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
384         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
385         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
386         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
387         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
388         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
389         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
390
391 2008-03-12  Paul Brook  <paul@codesourcery.com>
392
393         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
394         instead of {arm,thumb}_compute_save_reg_mask.
395         (output_return_instruction): Ditto.
396         (thumb_unexpanded_epilogue): Ditto.
397         (thumb1_expand_prologue): Ditto.
398         (thumb1_output_function_prologue): Ditto.
399         (arm_set_return_address): Ditto.
400         (thumb_set_return_address): Ditto.
401         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
402         regs to achieve stack alignment.
403         (thumb1_compute_save_reg_mask): Fix compiler warning.
404         (arm_output_epilogue): Use offsets->saved_regs_mask.
405         Adjust stack pointer by poping call clobered registers.
406         (arm_expand_prologue): Use offsets->saved_regs_mask.
407         Adjust stack pointer by pushing extra registers.
408         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
409
410 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
411
412         PR tree-opt/35422
413         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
414         conversion to the operands of a multiplication.
415
416 2008-03-12  Richard Guenther  <rguenther@suse.de>
417
418         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
419         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
420         * timevar.def (TV_TREE_PHIPROP): Add.
421         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
422         pass description.  Use TV_TREE_PHIPROP.
423         * tree-ssa-forwprop.c: Remove phiprop code.
424
425 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
426
427         PR middle-end/35549
428         * omp-low.c (maybe_lookup_decl): Constify first argument.
429         (use_pointer_for_field): Change last argument from bool to
430         omp_context *.  Disallow shared copy-in/out in nested
431         parallel if decl is shared in outer parallel too.
432         (build_outer_var_ref, scan_sharing_clauses,
433         lower_rec_input_clauses, lower_copyprivate_clauses,
434         lower_send_clauses, lower_send_shared_vars): Adjust callers.
435
436 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
437             Ira Rosen  <irar@il.ibm.com>
438
439         * tree-vectorizer.c (free_stmt_vec_info): New function.
440         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
441         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
442         * tree-vectorizer.h (free_stmt_vec_info): Declare.
443         * tree-vect-transform.c (vectorizable_conversion): Free
444         vec_oprnds0 if it was allocated.
445         (vect_permute_store_chain): Remove unused VECs.
446         (vectorizable_store): Free VECs that are allocated in the..
447         function.
448         (vect_transform_strided_load, vectorizable_load): Likewise.
449         (vect_remove_stores): Simplify the code.
450         (vect_transform_loop): Move code to vect_remove_stores().
451         Call vect_remove_stores() and free_stmt_vec_info().
452
453 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
454
455         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
456         TARGET_HPUX.  Revise comment.
457         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
458         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
459         Use sr4 variant of `be' instruction when not generating PIC code.
460         (attr_length_call): Adjust for above change.
461
462 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
463
464         * ipa-reference.c (static_execute): Remove module_statics_const and
465         associated setting code.
466
467 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
468
469         PR target/35540
470         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
471         constraint for operand 1.
472         (paritysi2_cmp): Use register_operand constraint for operand 2.
473         Use earlyclobber modifier for operand 1.  Remove support for
474         memory operands.
475         (paritydi2_cmp): Use register_operand constraint for operand 3.
476         Use earlyclobber modifier for operand 1.  Remove support for
477         memory operands.
478
479 2008-03-11  Paul Brook  <paul@codesourcery.com>
480             Vladimir Prus  <vladimir@codesourcery.com>
481
482         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
483         (arm_compute_save_reg0_reg12_mask): Always
484         check if register 11 must be saved.  Always safe hard frame pointer
485         when frame_pointer_needeed.
486         (arm_compute_save_reg_mask): Save IP and PC
487         only with apcs frames.
488         (arm_output_epilogue): Adjust Thumb2 codepath to
489         be also invoked and work for ARM non-apcs frames.
490         (arm_expand_prologue): Don't bother saving IP
491         for non-apcs frame, since it's not clobbered by
492         prologue code.  Implement non-apcs frame
493         layout.
494
495 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
496
497         PR rtl-optimization/35281
498         * expr.c (convert_move): Use a new pseudo for the intermediate
499         from_mode->word_mode result.
500
501 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
502
503         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
504         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
505         * toplev.c (compile_file): Don't call it.
506
507 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
508
509         PR middle-end/35526
510         * expr.c (store_expr): Call emit_block_move if the mode
511         of "temp" RTX is BLKmode.
512
513 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
514             Richard Guenther  <rguenther@suse.de>
515
516         PR tree-optimization/31358
517         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
518         the step with a NULL_TREE.
519         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
520         to sizetype if type is a pointer type.
521         (add_candidate_1): Don't convert the base and step to
522         the generic type if the orginal type is a pointer type.
523         (add_iv_value_candidates): Use sizetype for the step
524         if type is a pointer type.
525         (cand_value_at): Likewise.
526         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
527         for pointer types.
528         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
529         Don't convert the tem affine to the type.
530         (add_elt_to_tree): Use sizetype for the step if a pointer.
531         Use POINTER_PLUS_EXPR for pointers.
532         (aff_combination_to_tree): Use sizetype for the step if a
533         pointer.
534
535 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
536
537         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
538         Remove commutativity hint.
539
540 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
541
542         PR c/35438
543         PR c/35439
544         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
545         errorneous type.  Check that v is a VAR_DECL.
546
547         PR middle-end/35099
548         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
549
550 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
551
552         PR tree-optimization/35494
553         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
554         may be overriden at link and run time.
555
556 2008-03-10  Richard Guenther  <rguenther@suse.de>
557
558         PR tree-optimization/34677
559         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
560         (poolify_tree): Likewise.
561         (modify_expr_template): Likewise.
562         (poolify_modify_stmt): Likewise.
563         (insert_fake_stores): Handle all component-ref style stores
564         in addition to INDIRECT_REF.  Also handle complex types.
565         Do not poolify the inserted load.
566         (realify_fake_stores): Do not rebuild the tree but only
567         make it a SSA_NAME copy.
568         (init_pre): Remove initialzation of modify_expr_template.
569         Do not allocate modify_expr_node_pool.
570         (fini_pre): Do not free modify_expr_node_pool.
571
572 2008-03-10  Paul Brook  <paul@codesourcery.com>
573
574         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
575         to avoid conflicts.
576
577 2008-03-10  Paul Brook  <paul@codesourcery.com>
578             Mark Shinwell  <shinwell@codesourcery.com>
579
580         * config/arm/cortex-r4.md: New.
581         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
582         insn attributes.
583         * config/arm/arm.md: Include cortex-r4.md.
584         (insn): Add smmls, sdiv and udiv values.
585         (generic_sched): Don't use generic scheduling for Cortex-R4.
586         (arm_issue_rate): New function.
587         (TARGET_SCHED_ISSUE_RATE): Define.
588
589 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
590
591         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
592
593 2008-03-10  Richard Guenther  <rguenther@suse.de>
594
595         * tree-ssa-pre.c (get_sccvn_value): Simplify.
596         (compute_avail): Do not add stmt uses to AVAIL_OUT.
597
598 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
599
600         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
601         Set default to true.
602
603 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
604
605         * c.opt (Wsynth): Deprecate.
606         * doc/invoke.texi (Option Summary, Warning Options): Document
607         -Wno-format-contains-nul.
608
609 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
610
611         PR target/35496
612         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
613         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
614
615 2008-03-09  Ira Rosen  <irar@il.ibm.com>
616
617         * config/rs6000/rs6000.c (builtin_description): Rename vector
618         left shift operations.
619         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
620         (altivec_vsl<VI_char>): Rename to ...
621         (ashl<mode>3): ... new name.
622         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
623         gen_ashlv4si3.
624         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
625
626 2008-03-08  Richard Guenther  <rguenther@suse.de>
627
628         * coverage.h (tree_coverage_counter_addr): Declare.
629         * coverage.c (tree_coverage_counter_addr): New function.
630         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
631         before using again.
632         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
633         (tree_gen_one_value_profiler): Likewise.
634         (tree_gen_ic_profiler): Likewise.
635         (tree_gen_average_profiler): Likewise.
636         (tree_gen_ior_profiler): Likewise.
637
638 2008-03-08  Richard Guenther  <rguenther@suse.de>
639
640         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
641         (vn_binary_op_insert): Likewise.
642         (vn_unary_op_lookup): Likewise.
643         (vn_unary_op_insert): Likewise.
644         (vn_nary_op_lookup): Declare.
645         (vn_nary_op_insert): Likewise.
646         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
647         and binary hashes, use a single obstack for unary_op_pool
648         and binary_op_pool.
649         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
650         a single struct vn_nary_op_s.  Store tree code length and
651         a variable number of operands.
652         (struct vn_reference_op_struct): Remove unused op2.
653         (vn_reference_op_eq): Do not compare op2.
654         (vn_reference_op_compute_hash): Do not compute hash of op2.
655         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
656         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
657         with vn_nary_op_compute_hash.
658         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
659         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
660         vn_nary_op_lookup.
661         (vn_unary_op_insert, vn_binary_op_insert): Replace with
662         vn_nary_op_insert.
663         (visit_unary_op): Call nary functions.
664         (visit_binary_op): Likewise.
665         (process_scc): Adjust for struct vn_tables_s changes.
666         (allocate_vn_table): Likewise.
667         (free_vn_table): Likewise.
668         * tree-vn.c (vn_add): Call nary functions.
669         (vn_lookup): Likewise.
670
671 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
672
673         PR target/35498
674         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
675         wdst back after sync_compare_and_swapqhi_internal.
676
677 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
678
679         PR target/22152
680         * config/i386/i386-modes.def (V1DI): New vector mode.
681         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
682         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
683         (MMXMODE248): Ditto.
684         (MMXMODE): Add V1DI mode.
685         (mmxvecsize): Change DI mode to V1DI mode.
686         ("mov<mode>): Use MMXMODEI8 mode iterator.
687         ("*mov<mode>_internal_rex64"): Ditto.
688         ("*mov<mode>_internal"): Ditto.
689         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
690         ("mmx_sub<mode>3"): Ditto.
691         ("mmx_adddi3"): Remove insn pattern.
692         ("mmx_subdi3"): Ditto.
693         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
694         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
695         ("mmx_ashl<mode>3"): Ditto.
696         ("mmx_lshrdi3"): Remove insn pattern.
697         ("mmx_ashldi3"): Ditto.
698         * config/i386/i386.c (classify_argument): Handle V1DImode.
699         (function_arg_advance_32): Ditto.
700         (function_arg_32): Ditto.
701         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
702         mmx_addv1di3 insn pattern.
703         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
704         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
705         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
706         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
707         Remove definitions of built-in functions.
708         (V1DI_type_node): New node.
709         (v1di_ftype_v1di_int): Ditto.
710         (v1di_ftype_v1di_v1di): Ditto.
711         (v2si_ftype_v2si_si): Ditto.
712         (v4hi_ftype_v4hi_di): Remove node.
713         (v2si_ftype_v2si_di): Ditto.
714         (ix86_init_mmx_sse_builtins): Handle V1DImode.
715         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
716         Redefine builtins using def_builtin_const with *_ftype_*_int node.
717         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
718         Add new builtins using def_builtin_const.
719         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
720         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
721         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
722         * config/i386/mmintrin.h (__v1di): New typedef.
723         (_mm_add_si64): Cast arguments to __v1di type.
724         (_mm_sub_si64): Ditto.
725         (_mm_sll_pi16): Cast __count to __v4hi type.
726         (_mm_sll_pi32): Cast __count to __v2si type.
727         (_mm_sll_si64): Cast arguments to __v1di type.
728         (_mm_srl_pi16): Cast __count to __v4hi type.
729         (_mm_srl_pi32): Cast __count to __v2si type.
730         (_mm_srl_si64): Cast arguments to __v1di type.
731         (_mm_sra_pi16): Cast __count to __v4hi type.
732         (_mm_sra_pi32): Cast __count to __v2si type.
733         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
734         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
735         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
736         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
737         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
738         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
739         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
740         (_mm_srai_pi32): Use __builtin_ia32_psradi.
741         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
742         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
743         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
744         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
745
746 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
747
748         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
749
750 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
751
752         PR target/35373
753         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
754         reg+const addressing for Altivec modes.  Don't generate reg+reg
755         addressing for TFmode or TDmode quantities.
756
757 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
758
759         * c-common.c (vector_types_convertible_p): Call langhook
760         instead of comptypes.
761
762 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
763
764         PR tree-opt/35402
765         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
766         integral and scalar float variables which have a
767         NULL DECL_INITIAL.
768
769 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
770
771         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
772         dwarf_register_span hook when emitting unwind information for
773         register-to-memory saves.
774         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
775         (rs6000_frame_related): Remove call to spe_synthesize_frame.
776
777 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
778
779         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
780         for the same VAR_DECL.
781
782 2008-03-06  Tom Tromey  <tromey@redhat.com>
783
784         * treelang: Delete.
785         * doc/standards.texi (Standards): Don't mention treelang.
786         * doc/invoke.texi (Overall Options): Don't mention treelang.
787         * doc/install.texi (Prerequisites): Don't mention bison or
788         treelang.
789         (Configuration): Don't mention treelang.
790         (Building): Likewise.
791         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
792
793 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
794
795         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
796         word-extractions out of a multi-word object.
797
798 2008-03-06  Richard Guenther  <rguenther@suse.de>
799
800         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
801         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
802         result type and precision.
803         * expr.c (get_inner_reference): Set unsignedp based on the result
804         type of BIT_FIELD_REF.
805         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
806         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
807         (try_instantiate_multiple_fields): Likewise.  Use the correct type
808         for BIT_FIELD_REF.
809         (sra_build_assignment): Likewise.
810         (sra_build_elt_assignment): Likewise.
811         (sra_explode_bitfield_assignment): Likewise.
812         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
813         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
814         set BIT_FIELD_REF_UNSIGNED.
815         (vectorizable_load): Likewise.
816
817 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
818
819         * cse.c (cse_extended_basic_block): Invalidate artificial defs
820         at bb start.
821
822 2008-03-06  Richard Guenther  <rguenther@suse.de>
823
824         * alias.c (struct alias_set_entry): Move has_zero_child field
825         to pack with alias_set.
826
827 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
828
829         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
830         32bit host.
831
832 2008-03-05  Ian Lance Taylor  <iant@google.com>
833
834         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
835
836 2008-03-05  Kenneth Zadeck <zadeck@naturalbridge.com>
837
838         * fwprop.c (update_df): Support width and offset parameters of
839         df_ref_create.
840         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
841         global_conflicts): Change DF_REF_EXTRACT to either
842         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
843         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
844         * df-scan.c (df_ref_record, df_defs_record,
845         df_ref_create_structure, df_def_record_1, df_uses_record,
846         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
847         df_bb_refs_collect, df_entry_block_defs_collect,
848         df_exit_block_uses_collect): Support new width and offset fields.
849         (ref_extract_pool): New storage pool.
850         (df_free_ref): New function.
851         (df_reg_chain_unlink, df_free_collection_rec,
852         df_sort_and_compress_refs): Call df_free_ref.
853         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
854         of df_ref_extract.
855         (df_ref_create_structure): Allocate df_ref_extract if offset and
856         width fields are used.
857         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
858         (df_uses_record): Get offset and width from ZERO_EXTRACT 
859         and SIGN_EXTRACT.
860         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
861         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
862         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
863         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
864         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
865         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
866         (df_ref_extract): New structure.
867         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
868         (df_ref_create): Add width and offset parameters.
869         
870 2008-03-05  Richard Guenther  <rguenther@suse.de>
871
872         * tree-ssa-structalias.c (get_constraint_for_component_ref):
873         Use ranges_overlap_p.
874         (offset_overlaps_with_access): Rename
875         to ranges_overlap_p and move ...
876         * tree-flow-inline.h (ranges_overlap_p): ... here.
877
878         * tree.h (get_inner_reference, handled_component_p): Update
879         comments.
880
881         * tree.h (record_component_aliases, get_alias_set,
882         alias_sets_conflict_p, alias_sets_must_conflict_p,
883         objects_must_conflict_p): Move declarations ...
884         * alias.h (record_component_aliases, get_alias_set,
885         alias_sets_conflict_p, alias_sets_must_conflict_p,
886         objects_must_conflict_p): ... here.
887         Include coretypes.h.
888         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
889
890 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
891
892         * cfg.c: Include tree-flow.h.
893         (remove_edge_raw): Call redirect_edge_var_map_clear.
894         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
895         * tree-flow-inline.h (redirect_edge_var_map_def): New.
896         (redirect_edge_var_map_result): New.
897         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
898         PENDING_STMT use with redirect_edge_var_map_*.
899         * tree-ssa.c (edge_var_maps): New definition.
900         (redirect_edge_var_map_add): New.
901         (redirect_edge_var_map_clear): New.
902         (redirect_edge_var_map_dup): New.
903         (redirect_edge_var_map_vector): New.
904         (redirect_edge_var_map_destroy): New.
905         (ssa_redirect_edge): Replace PENDING_STMT use with
906         redirect_edge_var_map_*.
907         (flush_pending_stmts): Same.
908         (delete_tree_ssa): Destroy edge var map.
909         * tree-flow.h (struct _edge_var_map): New.
910         Define edge_var_map vector type.
911         Declare redirect_edge_var_map_* prototypes.
912         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
913         * tree-cfg.c (reinstall_phi_args): Replace
914         PENDING_STMT use with redirect_edge_var_map_*.
915
916 2008-03-05  Richard Guenther  <rguenther@suse.de>
917
918         PR tree-optimization/35472
919         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
920         whose single use_stmt has a overlapping set of loaded and
921         stored symbols as that use_stmt might be a noop assignment then.
922
923 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
924
925         * gthr-rtems.h: Implement __gthread_mutex_destroy.
926
927 2008-03-05  Richard Guenther  <rguenther@suse.de>
928
929         PR c++/35336
930         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
931         should be constants.
932         * tree-cfg.c (verify_expr): Verify it.
933         * fold-const.c (fold_truthop): Remove code generating
934         BIT_FIELD_REFs of structure bases.
935         (fold_binary): Likewise.
936         (fold_ternary): Position and size of BIT_FIELD_REFs are
937         always host integers.
938         (make_bit_field_ref): Remove.
939         (optimize_bit_field_compare): Remove.
940         (all_ones_mask_p): Remove.
941
942 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
943
944         PR gcc/33009
945         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
946         (split_block_and_df_analyze): New. Split basic block and rebuild
947         dataflow.
948         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
949         SPLIT_BLOCK.
950         (split_pattern_seq): Likewise.
951         (erase_matching_seqs): Likewise.
952         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
953
954 2008-03-04  Geoff Keating  <geoffk@apple.com>
955
956         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
957         declaration and code.
958         (tree_invalid_nonnegative_warnv_p): Likewise.
959
960 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
961
962         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
963         examples.  Truncate option-names then causing overfull hbox.
964
965 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
966
967         PR target/35222
968         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
969         on hpux10.
970         * configure: Rebuilt.
971
972 2008-03-04  Rafael Espindola  <espindola@google.com>
973
974         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
975         (tree_unary_nonnegative_warnv_p): New.
976         (tree_binary_nonnegative_warnv_p): New.
977         (tree_single_nonnegative_warnv_p): New.
978         (tree_invalid_nonnegative_warnv_p): New.
979         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
980
981 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
982
983         PR 28322
984         * opts.c (handle_option): Postpone 'unknown option' errors only for
985         warning options.
986
987 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
988
989         PR target/35453
990         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
991         (_SIDD_XXX): This.
992
993 2008-03-04  Rafael Espindola  <espindola@google.com>
994
995         * fold-const.c (tree_unary_nonzero_warnv_p): New.
996         (tree_binary_nonzero_warnv_p): New.
997         (tree_single_nonzero_warnv_p): New.
998         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
999
1000 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
1001
1002         PR middle-end/35456
1003         * fold-const.c (fold_cond_expr_with_comparison): Prevent
1004         transformations for modes that have signed zeros.
1005         * ifcvt.c (noce_try_abs): Ditto.
1006
1007 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
1008
1009         * config/i386/i386.c (override_options): Force
1010         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
1011
1012 2008-03-04  Jan Hubicka  <jh@suse.cz>
1013
1014         PR c++/35262
1015         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
1016         in last commit.
1017
1018 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
1019
1020         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
1021         label to probe the stack.
1022
1023 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
1024
1025         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
1026         (__gthr_win32_mutex_destroy): Declare.
1027         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
1028         __gthr_win32_mutex_destroy.
1029         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
1030
1031 2008-03-03  Jan Hubicka  <jh@suse.cz>
1032
1033         PR c++/35262
1034         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
1035         aggressive on inlining cold calls.
1036
1037 2008-03-03  Richard Guenther  <rguenther@suse.de>
1038
1039         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
1040         struct copies into the expression table.
1041         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
1042         (try_to_simplify): Likewise.
1043         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
1044         integral and pointer arguments which do not change the
1045         precision to NOP_EXPRs.
1046         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
1047         VIEW_CONVERT_EXPR case.
1048
1049 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
1050
1051         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
1052         defined in a loop at depth 0 is invariant.
1053         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
1054         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
1055         be called at loop depth 0.
1056
1057 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
1058
1059         PR driver/35420
1060         * gcc.c (process_command): Update copyright notice dates.
1061         * gcov.c (print_version): Likewise.
1062         * gcov-dump.c (print_version): Likewise.
1063         * mips-tfile.c (main): Likewise.
1064         * mips-tdump.c (main): Likewise.
1065
1066 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1067
1068         PR 24924
1069         * c-common.c (flag_permissive): Delete.
1070         (constant_expression_warnings): Check flags first.
1071         (constant_expression_error): New.
1072         * c-common.h (flag_permissive): Delete.
1073         (constant_expression_error): Declare.
1074         * flags.h (flag_permissive): Declare. Update description.
1075         * diagnostic.c (pedwarn): Update.
1076         (permerror): New.
1077         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
1078         (permissive_error_kind): New.
1079         * toplev.c (flag_permissive): Define. Update description.
1080         * toplev.h (permissive_error_kind): Declare.
1081         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
1082         (pedwarn_c90): Use pedantic_warning_kind.
1083         * c-opts.c (c_common_post_options): flag_permissive does not affect
1084         flag_pedantic_errors.
1085
1086 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
1087
1088         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
1089         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
1090         __absvsi2, __absvDI2): Use unsigned arithmetic.
1091
1092 2008-03-02  Andi Kleen  <ak@suse.de>
1093             Richard Guenther  <rguenther@suse.de>
1094
1095         * struct-equiv.c: Remove file.
1096         * cfg_cleanup.c (condjump_equiv_p): Remove.
1097         * Makefile.in (OBJS-common): Remove struct-equiv.o.
1098         (struct-equiv.o): Remove rule.
1099         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
1100         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
1101         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
1102
1103 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
1104
1105         * ifcvt.c (noce_process_if_block): Try to handle only the then
1106         block if the else block exists but isn't suitable.
1107
1108 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
1109
1110         PR gcc/35063
1111         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
1112         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
1113         regression from previous patch.
1114
1115 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
1116
1117         PR gcc/35063
1118         * gthr.h: Add __gthread_mutex_destroy as a function that must be
1119         implemented.
1120         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
1121         * gthr-single.h (__gthread_mutex_destroy): Likewise.
1122         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
1123         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
1124         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
1125         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
1126         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
1127         (__gthread_mutex_destroy_function): Rename to
1128         __gthread_mutex_destroy.
1129         * gthr-dce.h (__gthread_mutex_destroy): Call
1130         pthread_mutex_destroy.
1131         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
1132         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
1133         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
1134
1135 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
1136
1137         * df-scan.c (df_ref_chain_change_bb): Simplify.
1138         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
1139         set_block_for_insn if there's any change.
1140         * df.h ((df_insn_change_bb): Fix prototype.
1141         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
1142         df_insn_change_bb, don't call set_block_for_insn.
1143         * emit-rtl.c (reorder_insns): Likewise.
1144         * haifa-sched.c (move_insn): Likewise.
1145
1146 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
1147
1148         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
1149
1150 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
1151
1152         * tree-flow-inline.h (next_readonly_imm_use): Return
1153         NULL_USE_OPERAND_P after the end.
1154
1155 2008-03-01  Richard Guenther  <rguenther@suse.de>
1156
1157         PR tree-optimization/35411
1158         * tree-sra.c (sra_build_assignment): Split conversion to
1159         final type to a separate statement if we are not assigning
1160         to a register.
1161
1162 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
1163
1164         * fold-const.c (fold_convertible_p): Correct the logic to follow
1165         that in fold_convert().
1166
1167 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
1168
1169         PR c++/35315
1170         * tree-inline.c (build_duplicate_type): When we make a
1171         duplicate type, make it unique in the canonical types system.
1172
1173 2008-02-29  Tom Tromey  <tromey@redhat.com>
1174
1175         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
1176         input_file_stack_history, input_file_stack_restored): Remove.
1177         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
1178         * input.h (struct file_stack): Remove.
1179         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
1180         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
1181         Likewise.
1182         * diagnostic.h (struct diagnostic_context) <last_module>: Change
1183         type.
1184         (diagnostic_last_module_changed): Add 'map' argument.
1185         (diagnostic_set_last_function): Likewise.
1186         * diagnostic.c (undiagnostic_report_current_module): Iterate using
1187         line map, not input_file_stack.
1188         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
1189
1190 2008-02-29  Paul Brook  <paul@codesourcery.com>
1191
1192         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
1193
1194 2008-02-29  Paul Brook  <paul@codesourcery.com>
1195
1196         * config/arm/ieee754-df.S (muldf3): Use RET macros.
1197
1198 2008-02-29  Richard Guenther  <rguenther@suse.de>
1199
1200         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
1201         vn_lookup_or_add.
1202         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
1203         value for comparing for a store match.
1204         (simplify_unary_expression): Do nothing for SSA_NAMEs.
1205         (try_to_simplify): Do not do a full-blown reference lookup.
1206
1207 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
1208
1209         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
1210         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
1211
1212         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
1213
1214 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
1215
1216         * tree-loop-linear.c (try_interchange_loops): Compare memory access
1217         strides against cache sizes.
1218
1219 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
1220
1221         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
1222         constant to fpul.
1223
1224 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
1225
1226         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
1227         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
1228         is smaller than the original promoted value.
1229         (simplify_subreg): If OP is a SUBREG, try to preserve its
1230         SUBREG_PROMOTED_VAR_P information.
1231
1232 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
1233
1234         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
1235         (VN_INFO_GET): Allocate new objects on the obstack.
1236         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
1237         for rpo_numbers_temp, for consistency.
1238         (free_scc_vn): Free the obstack.
1239
1240 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
1241
1242         * doc/invoke.texi: Document -ftree-loop-distribution.
1243         * tree-loop-distribution.c: New.
1244         * tree-pass.h (pass_loop_distribution): New.
1245         * graphds.h (struct graph): Add htab_t indices.
1246         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
1247         * tree-vectorizer.c (rename_variables_in_loop): Extern.
1248         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
1249         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
1250         * tree-data-ref.c (debug_data_dependence_relations): New.
1251         (dump_data_dependence_relation): Also print data references.
1252         (free_data_ref): Extern.
1253         (same_access_functions): Moved...
1254         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
1255         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
1256         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
1257         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
1258         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
1259         (stmts_from_loop): Skip LABEL_EXPR.
1260         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
1261         New.
1262         (build_rdg): Initialize rdg->indices htab.
1263         (free_rdg, stores_from_loop, ref_base_address,
1264         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
1265         have_similar_memory_accesses_1, ref_base_address_1,
1266         remove_similar_memory_refs): New.
1267         * tree-data-ref.h: Depend on tree-chrec.h.
1268         (debug_data_dependence_relations, free_data_ref): Declared.
1269         (same_access_functions): ... here.
1270         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
1271         New.
1272         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
1273         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
1274         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
1275         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
1276         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
1277         rdg_vertex_for_stmt): Declared.
1278         (struct rdg_edge): Add level.
1279         (RDGE_LEVEL): New.
1280         (free_rdg, stores_from_loop, remove_similar_memory_refs,
1281         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
1282         Declared.
1283         (rdg_has_similar_memory_accesses): New.
1284         * tree-vect-analyze.c: Remove unused static decls.
1285         * lambda.h (dependence_level): New.
1286         * common.opt (ftree-loop-distribution): New.
1287         * tree-flow.h (mark_virtual_ops_in_bb, 
1288         slpeel_tree_duplicate_loop_to_edge_cfg,
1289         rename_variables_in_loop): Declared.
1290         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
1291         (OBJS-common): Add tree-loop-distribution.o.
1292         (tree-loop-distribution.o): New rule.
1293         * tree-cfg.c (mark_virtual_ops_in_bb): New.
1294         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
1295         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
1296
1297 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
1298
1299         PR target/33963
1300         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
1301         other than structures and unions.
1302
1303 2008-02-28  Richard Guenther  <rguenther@suse.de>
1304
1305         Revert:
1306         2008-02-26  Richard Guenther  <rguenther@suse.de>
1307
1308         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1309         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1310         (lookup_decl_from_uid): Declare.
1311         (remove_decl_from_map): Likewise.
1312         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1313         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1314         (decl_for_uid_map): New global hashtable mapping DECL_UID
1315         to the decl tree.
1316         (init_ttree): Allocate it.
1317         (insert_decl_to_uid_decl_map): New helper function.
1318         (make_node_stat): Insert new decls into the map.
1319         (copy_node_stat): Likewise.
1320         (lookup_decl_from_uid): New function.
1321         (remove_decl_from_map): Likewise.
1322         (print_decl_for_uid_map_statistics): New helper.
1323         (dump_tree_statistics): Call it.
1324
1325         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1326         (referenced_var_iterator): Adjust.
1327         (FOR_EACH_REFERENCED_VAR): Adjust.
1328         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1329         (num_referenced_vars): Adjust.
1330         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1331         (first_referenced_var): Remove.
1332         (end_referenced_vars_p): Likewise.
1333         (next_referenced_var): Likewise.
1334         (referenced_var_iterator_set): New helper function.
1335         * tree-dfa.c (referenced_var_lookup): Adjust.
1336         (referenced_var_check_and_insert): Likewise.
1337         (remove_referenced_var): Likewise.
1338         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1339         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1340         (verify_call_clobbering): Likewise.
1341         (verify_memory_partitions): Likewise.
1342         (init_tree_ssa): Allocate bitmap instead of hashtable for
1343         referenced_vars.
1344         (delete_tree_ssa): Adjust.
1345         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1346         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1347         (compute_tag_properties): Likewise.
1348         (set_initial_properties): Likewise.
1349         (find_partition_for): Likewise.
1350         (update_reference_counts): Likewise.
1351         (dump_may_aliases_for): Likewise.
1352         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1353         (add_call_clobber_ops): Likewise.
1354         (add_call_read_ops): Likewise.
1355         (get_asm_expr_operands): Likewise.
1356         * tree-into-ssa.c (dump_decl_set): Likewise.
1357         (update_ssa): Likewise.
1358         * tree-sra.c (scan_function): Likewise.
1359         (decide_instantiations): Likewise.
1360         (scalarize_parms): Likewise.
1361         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1362         (dsa_named_for): Likewise.
1363         * tree-ssa-structalias.c (update_alias_info): Likewise.
1364         (merge_smts_into): Likewise.
1365
1366 2008-02-27  David Daney  <ddaney@avtrex.com>
1367
1368         PR target/34409
1369         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
1370         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
1371         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
1372         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
1373         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
1374
1375 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
1376
1377         PR target/25477
1378         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
1379         (BUILT_IN_NEXTTOWARD): Remove.
1380         (BUILT_IN_NEXTTOWARDF): Ditto.
1381         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
1382         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
1383
1384 2008-02-27  Tom Tromey  <tromey@redhat.com>
1385
1386         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
1387         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
1388
1389 2008-02-27  Jan Beulich  <jbeulich@novell.com>
1390
1391         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
1392         update the respective field on newdecl.
1393
1394 2008-02-27  Revital Eres  <eres@il.ibm.com>
1395
1396         PR rtl-optimization/34999
1397         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
1398         crossing edges that ends with a call insn.
1399         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
1400         call insn and clear the EDGE_CROSSING flag of the crossing edge
1401         when fixing fallthru edges.
1402
1403 2008-02-27  Richard Guenther  <rguenther@suse.de>
1404
1405         PR middle-end/35390
1406         * fold-const.c (fold_unary): Return the correct argument,
1407         converted to the result type.
1408
1409 2008-02-27  Richard Guenther  <rguenther@suse.de>
1410
1411         PR middle-end/34971
1412         * expr.c (expand_expr_real_1): Assert on rotates that operate
1413         on partial modes.
1414         * fold-const.c (fold_binary): Use the types precision, not the
1415         bitsize of the mode if folding rotate expressions.  Build rotates
1416         only for full modes.
1417
1418 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
1419
1420         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
1421         and CPP_PRAGMA_EOL.
1422         * c-pragma.c (pragma_ns_name): New typedef.
1423         (registered_pp_pragmas): New variable.
1424         (c_pp_lookup_pragma): New function.
1425         (c_register_pragma_1): If flag_preprocess_only, do nothing
1426         for non-expanded pragmas, for expanded ones push pragma's
1427         namespace and name into registered_pp_pragmas vector.
1428         (c_invoke_pragma_handler): Register OpenMP pragmas even when
1429         flag_preprocess_only, don't register GCC pch_preprocess
1430         pragma if flag_preprocess_only.
1431         * c-opts.c (c_common_init): Call init_pragma even if
1432         flag_preprocess_only.
1433         * c-pragma.c (c_pp_lookup_pragma): New prototype.
1434         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
1435         cpp_register_pragma if flag_preprocess_only.
1436
1437 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1438
1439         PR c/28800
1440         * c-parser.c (c_parser_translation_unit): Warn for empty
1441         translation unit, not empty source file.
1442
1443 2008-02-26  Paul Brook  <paul@codesourcery.com>
1444
1445         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
1446         operand for Thumb-2.
1447         * config/arm/arm.h (reg_class): Add CORE_REGS.
1448         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
1449         (BASE_REG_CLASS): Use CORE_REGS.
1450         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
1451         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
1452         (REGNO_OK_FOR_INDEX_P): Exclude SP.
1453         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
1454         ARM_REGNO_OK_FOR_INDEX_P.
1455         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
1456         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
1457         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
1458         (ldm/stm peepholes): Ditto.
1459         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
1460         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
1461         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
1462         * config/arm/constraints.md: Enable "k" constraint on ARM.
1463
1464 2008-02-27  Ben Elliston  <bje@au.ibm.com>
1465
1466         * config/rs6000/rs6000.c: Annotate cache line size field in all
1467         instances of struct processor_costs.
1468
1469 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
1470
1471         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
1472         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
1473         jump_bypass): New counters.
1474         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
1475         * dce.c (gate_ud_dce): Same.
1476         (gate_fast_dce): Same.
1477         * dse.c (gate_dse1): New function.
1478         (gate_dse2): New function.
1479         (gate_dse): Merge results of new gate functions.
1480         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
1481         (gate_handle_jump_bypass): Add dbg_cnt.
1482         (gate_handle_gcse): Add dbg_cnt.
1483         * ifcvt.c (gate_handle_if_conversion): Same.
1484         (gate_handle_if_after_combine): Same.
1485         (gate_handle_if_after_reload): Same.
1486         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
1487
1488 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
1489
1490         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
1491         line sizes.
1492         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
1493
1494 2008-02-26  Jason Merrill  <jason@redhat.com>
1495
1496         PR c++/35315
1497         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
1498         alone if it's the naming decl for the type's main variant.
1499
1500 2008-02-26  Tom Tromey  <tromey@redhat.com>
1501
1502         * system.h (USE_MAPPED_LOCATION): Poison.
1503         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
1504         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
1505         (make_goto_expr_edges): Likewise.
1506         (remove_bb): Likewise.
1507         (execute_warn_function_return): Likewise.
1508         * basic-block.h (struct edge_def) <goto_locus>: Change type to
1509         location_t.
1510         * c-common.c (fname_decl): Remove old location code.
1511         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
1512         location code.
1513         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
1514         variant.
1515         (ASM_INPUT_SOURCE_LOCATION): Likewise.
1516         (gen_rtx_ASM_INPUT): Likewise.
1517         (gen_rtx_ASM_INPUT_loc): Likewise.
1518         (get_rtx_asm_OPERANDS): Remove.
1519         * cfglayout.c (insn_locators_alloc): Remove old location code.
1520         (set_curr_insn_source_location): Likewise.
1521         (curr_insn_locator): Likewise.
1522         * print-tree.c (print_node): Remove old location code.
1523         * tree-mudflap.c (mf_varname_tree): Remove old location code.
1524         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
1525         * cfgexpand.c (expand_gimple_cond_expr): Don't use
1526         location_from_locus.
1527         (construct_exit_block): Remove old location code.
1528         * emit-rtl.c (force_next_line_note): Remove old location code.
1529         * profile.c (branch_prob): Remove old location code.
1530         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
1531         LOC_LINE): Remove old-location variants.
1532         * langhooks.c (lhd_print_error_function): Remove old location
1533         code.
1534         * configure, config.in: Rebuilt.
1535         * configure.ac (--enable-mapped-location): Remove.
1536         * c-decl.c (c_init_decl_processing): Remove old location code.
1537         (finish_function): Likewise.
1538         * recog.c (decode_asm_operands): Remove old location code.
1539         * c-pch.c (c_common_read_pch): Remove old location code.
1540         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
1541         variants.
1542         * gimple-low.c (lower_function_body): Remove old location code.
1543         * toplev.c (unknown_location): Remove.
1544         (push_srcloc): Remove old-location variant.
1545         (process_options): Remove old location code.
1546         (lang_dependent_init): Likewise.
1547         * input.h (UNKNOWN_LOCATION): Move definition.
1548         (location_t): Undeprecate.
1549         (source_locus): Remove.
1550         (location_from_locus): Remove.
1551         (struct location_s): Remove.
1552         Remove all old-location code.
1553         (input_line, input_filename): Remove.
1554         * final.c (final_scan_insn): Remove old location code.
1555         * diagnostic.c (diagnostic_build_prefix): Remove
1556         USE_MAPPED_LOCATION test.
1557         * tree.h (gimple_stmt) <locus>: Now a location_t.
1558         (tree_exp) <locus>: Likewise.
1559         (DECL_IS_BUILTIN): Remove old-location variant.
1560         (annotate_with_file_line, annotate_with_locus): Likewise.
1561         (expr_locus, set_expr_locus): Update.
1562         * tree.c (build1_stat): Remove old location code.
1563         (last_annotated_node): Remove.
1564         (annotate_with_file_line): Remove old-location variant.
1565         (annotate_with_locus): Likewise.
1566         (expr_location): Remove old location code.
1567         (set_expr_location): Likewise.
1568         (expr_has_location): Likewise.
1569         (expr_locus): Likewise.
1570         (set_expr_locus): Likewise.
1571         (expr_filename): Don't use location_from_locus.
1572         (expr_lineno): Likewise.
1573         * rtl-error.c (location_for_asm): Remove old location code.
1574         * c-lex.c (cb_line_change): Remove old location code.
1575         (fe_file_change): Likewise.
1576         (cb_def_pragma): Likewise.
1577         (c_lex_with_flags): Likewise.
1578         * gengtype.c (do_typedef): Don't special-case location types.
1579         (define_location_structures): Remove.
1580         (main): Don't call define_location_structures.
1581         * tree-pretty-print.c (dump_implicit_edges): Remove old location
1582         code.
1583
1584 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1585
1586         PR 26264
1587         * builtins.def (BUILT_IN_STDARG_START): Remove.
1588         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
1589         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
1590         * tree-inline.c (inline_forbidden_p_1): Likewise.
1591         
1592 2008-02-26  Richard Guenther  <rguenther@suse.de>
1593
1594         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1595         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1596         (lookup_decl_from_uid): Declare.
1597         (remove_decl_from_map): Likewise.
1598         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1599         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1600         (decl_for_uid_map): New global hashtable mapping DECL_UID
1601         to the decl tree.
1602         (init_ttree): Allocate it.
1603         (insert_decl_to_uid_decl_map): New helper function.
1604         (make_node_stat): Insert new decls into the map.
1605         (copy_node_stat): Likewise.
1606         (lookup_decl_from_uid): New function.
1607         (remove_decl_from_map): Likewise.
1608         (print_decl_for_uid_map_statistics): New helper.
1609         (dump_tree_statistics): Call it.
1610
1611         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1612         (referenced_var_iterator): Adjust.
1613         (FOR_EACH_REFERENCED_VAR): Adjust.
1614         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1615         (num_referenced_vars): Adjust.
1616         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1617         (first_referenced_var): Remove.
1618         (end_referenced_vars_p): Likewise.
1619         (next_referenced_var): Likewise.
1620         (referenced_var_iterator_set): New helper function.
1621         * tree-dfa.c (referenced_var_lookup): Adjust.
1622         (referenced_var_check_and_insert): Likewise.
1623         (remove_referenced_var): Likewise.
1624         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1625         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1626         (verify_call_clobbering): Likewise.
1627         (verify_memory_partitions): Likewise.
1628         (init_tree_ssa): Allocate bitmap instead of hashtable for
1629         referenced_vars.
1630         (delete_tree_ssa): Adjust.
1631         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1632         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1633         (compute_tag_properties): Likewise.
1634         (set_initial_properties): Likewise.
1635         (find_partition_for): Likewise.
1636         (update_reference_counts): Likewise.
1637         (dump_may_aliases_for): Likewise.
1638         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1639         (add_call_clobber_ops): Likewise.
1640         (add_call_read_ops): Likewise.
1641         (get_asm_expr_operands): Likewise.
1642         * tree-into-ssa.c (dump_decl_set): Likewise.
1643         (update_ssa): Likewise.
1644         * tree-sra.c (scan_function): Likewise.
1645         (decide_instantiations): Likewise.
1646         (scalarize_parms): Likewise.
1647         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1648         (dsa_named_for): Likewise.
1649         * tree-ssa-structalias.c (update_alias_info): Likewise.
1650         (merge_smts_into): Likewise.
1651
1652 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1653
1654         PR 34351
1655         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
1656         * c-opts.c (c_common_handle_option): Wall enables
1657         Wvolatile-register-var.
1658         * common.opt: Move Wvolatile-register-var to...
1659         * c.opt: ...here.
1660         
1661 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1662
1663         * common.opt (Wlarger-than=): New.
1664         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
1665         -Wlarger-than=.
1666         * opts.c (common_handle_option): Handle -Wlarger-than=.
1667         * optc-gen.awk: Likewise.
1668         * opth-gen.awk: Likewise.
1669         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
1670         * tree-optimize.c (tree_rest_of_compilation): Likewise.
1671         
1672 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1673
1674         * c-common.c (match_case_to_enum_1): Add appropriate
1675         OPT_W* parameter to warning.
1676         (c_do_switch_warnings): Likewise.
1677         * c-typeck.c (warning_init): Add one more parameter following
1678         'warning' function.
1679         (push_init_level): Update call to warning_init.
1680         (pop_init_level): Likewise.
1681         (add_pending_init): Likewise.
1682         (output_init_element: Likewise.
1683
1684 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1685
1686         PR 28322
1687         * toplev.c (toplev_main): If there are warnings or error, print
1688         errors for ignored options.
1689         * opts.c (ignored_options): New static variable.
1690         (postpone_unknown_option_error): New.
1691         (print_ignored_options): New.
1692         (handle_option): Postpone errors for unknown -Wno-* options.
1693         * opts.h (print_ignored_options): Declare.
1694         
1695 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
1696
1697         * config/mips/mips.md (loadgp_blockage, blockage): Change type
1698         to "ghost".
1699
1700 2008-02-25  Richard Guenther  <rguenther@suse.de>
1701
1702         Revert:
1703         2008-02-25  Richard Guenther  <rguenther@suse.de>
1704
1705         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1706         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1707         (lookup_decl_from_uid): Declare.
1708         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1709         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1710         (decl_for_uid_map): New global hashtable mapping DECL_UID
1711         to the decl tree.
1712         (init_ttree): Allocate it.
1713         (insert_decl_to_uid_decl_map): New helper function.
1714         (make_node_stat): Insert new decls into the map.
1715         (copy_node_stat): Likewise.
1716         (lookup_decl_from_uid): New function.
1717         (print_decl_for_uid_map_statistics): New helper.
1718         (dump_tree_statistics): Call it.
1719
1720         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1721         (referenced_var_iterator): Adjust.
1722         (FOR_EACH_REFERENCED_VAR): Adjust.
1723         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1724         (num_referenced_vars): Adjust.
1725         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1726         (first_referenced_var): Remove.
1727         (end_referenced_vars_p): Likewise.
1728         (next_referenced_var): Likewise.
1729         (referenced_var_iterator_set): New helper function.
1730         * tree-dfa.c (referenced_var_lookup): Adjust.
1731         (referenced_var_check_and_insert): Likewise.
1732         (remove_referenced_var): Likewise.
1733         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1734         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1735         (verify_call_clobbering): Likewise.
1736         (verify_memory_partitions): Likewise.
1737         (init_tree_ssa): Allocate bitmap instead of hashtable for
1738         referenced_vars.
1739         (delete_tree_ssa): Adjust.
1740         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1741         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1742         (compute_tag_properties): Likewise.
1743         (set_initial_properties): Likewise.
1744         (find_partition_for): Likewise.
1745         (update_reference_counts): Likewise.
1746         (dump_may_aliases_for): Likewise.
1747         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1748         (add_call_clobber_ops): Likewise.
1749         (add_call_read_ops): Likewise.
1750         (get_asm_expr_operands): Likewise.
1751         * tree-into-ssa.c (dump_decl_set): Likewise.
1752         (update_ssa): Likewise.
1753         * tree-sra.c (scan_function): Likewise.
1754         (decide_instantiations): Likewise.
1755         (scalarize_parms): Likewise.
1756         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1757         (dsa_named_for): Likewise.
1758         * tree-ssa-structalias.c (update_alias_info): Likewise.
1759         (merge_smts_into): Likewise.
1760
1761 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
1762
1763         PR fortran/29549
1764         * doc/invoke.texi (-fcx-limited-range): Document new option.
1765         * toplev.c (process_options): Handle -fcx-fortran-rules.
1766         * common.opt: Add documentation for -fcx-fortran-rules.
1767
1768 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
1769
1770         PR c/35162
1771         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
1772         actual behaviour and C99.
1773         
1774 2008-02-26  Ben Elliston  <bje@au.ibm.com>
1775
1776         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
1777         (ASM_CPU_POWER6_SPEC): Likewise.
1778         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
1779         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
1780         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
1781
1782 2008-02-25  Richard Guenther  <rguenther@suse.de>
1783
1784         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1785         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1786         (lookup_decl_from_uid): Declare.
1787         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1788         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1789         (decl_for_uid_map): New global hashtable mapping DECL_UID
1790         to the decl tree.
1791         (init_ttree): Allocate it.
1792         (insert_decl_to_uid_decl_map): New helper function.
1793         (make_node_stat): Insert new decls into the map.
1794         (copy_node_stat): Likewise.
1795         (lookup_decl_from_uid): New function.
1796         (print_decl_for_uid_map_statistics): New helper.
1797         (dump_tree_statistics): Call it.
1798
1799         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1800         (referenced_var_iterator): Adjust.
1801         (FOR_EACH_REFERENCED_VAR): Adjust.
1802         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1803         (num_referenced_vars): Adjust.
1804         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1805         (first_referenced_var): Remove.
1806         (end_referenced_vars_p): Likewise.
1807         (next_referenced_var): Likewise.
1808         (referenced_var_iterator_set): New helper function.
1809         * tree-dfa.c (referenced_var_lookup): Adjust.
1810         (referenced_var_check_and_insert): Likewise.
1811         (remove_referenced_var): Likewise.
1812         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1813         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1814         (verify_call_clobbering): Likewise.
1815         (verify_memory_partitions): Likewise.
1816         (init_tree_ssa): Allocate bitmap instead of hashtable for
1817         referenced_vars.
1818         (delete_tree_ssa): Adjust.
1819         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1820         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1821         (compute_tag_properties): Likewise.
1822         (set_initial_properties): Likewise.
1823         (find_partition_for): Likewise.
1824         (update_reference_counts): Likewise.
1825         (dump_may_aliases_for): Likewise.
1826         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1827         (add_call_clobber_ops): Likewise.
1828         (add_call_read_ops): Likewise.
1829         (get_asm_expr_operands): Likewise.
1830         * tree-into-ssa.c (dump_decl_set): Likewise.
1831         (update_ssa): Likewise.
1832         * tree-sra.c (scan_function): Likewise.
1833         (decide_instantiations): Likewise.
1834         (scalarize_parms): Likewise.
1835         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1836         (dsa_named_for): Likewise.
1837         * tree-ssa-structalias.c (update_alias_info): Likewise.
1838         (merge_smts_into): Likewise.
1839
1840 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
1841
1842         PR target/35258
1843         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
1844         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
1845         * alias.h (nonoverlapping_memrefs_p): Likewise.
1846
1847 2008-02-25  Jan Beulich  <jbeulich@novell.com>
1848
1849         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
1850         * config/i386/netware-libgcc.exp: Add __bswap?i2,
1851         __emultls_get_address, __emultls_register_common,
1852         __floatundi?f, and _Unwind_GetIPInfo.
1853         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
1854         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
1855         (gen_regparm_prefix): Likewise.
1856         (i386_nlm_encode_section_info): Sync with
1857         config/i386/winnt.c:i386_pe_encode_section_info().
1858         (i386_nlm_maybe_mangle_decl_assembler_name): New.
1859         i386_nlm_mangle_decl_assembler_name): New.
1860         (netware_override_options): New.
1861         * config/i386/netware.h (netware_override_options): Declare.
1862         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
1863         (i386_nlm_mangle_decl_assembler_name): Declare.
1864         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
1865
1866 2008-02-25  Ben Elliston  <bje@au.ibm.com>
1867
1868         PR other/32948
1869         * c-decl.c (grokdeclarator): Remove unused local variables
1870         `typedef_type' and `type_as_written'.
1871         * bb-reorder.c
1872         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
1873         unused local variable `has_hot_blocks'.
1874         (fix_crossing_conditional_branches): Remove unused local variable
1875         `prev_bb'.
1876         
1877 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
1878
1879         PR middle-end/19984
1880         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
1881         using DEF_C99_BUILTIN.
1882         (BUILT_IN_NANF): Ditto.
1883         (BUILT_IN_NANL): Ditto.
1884
1885 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
1886             Revital Eres  <eres@il.ibm.com>
1887
1888         * modulo-sched.c (calculate_must_precede_follow): Address TODO
1889         regarding the order of two dependent insns in the same row.
1890
1891 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
1892
1893         * stor-layout.c (layout_decl): Do not bump the alignment of a
1894         bit-field to more than byte alignment if it is packed.
1895
1896 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
1897
1898         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
1899         e300c2 and e300c3.
1900
1901 2008-02-24  Diego Novillo  <dnovillo@google.com>
1902
1903         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
1904
1905         PR 33738
1906         * tree-vrp.c (vrp_evaluate_conditional): With
1907         -Wtype-limits, emit a warning when comparing against a
1908         constant outside the natural range of OP0's type.
1909         * c.opt (Wtype-limits): Move ...
1910         * common.opt (Wtype-limits): ... here.
1911
1912 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
1913
1914         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
1915         * config/rs6000/e300c2c3.md: New file.
1916         * config/rs6000/rs6000.c (processor_costs): Add new costs for
1917         e300c2 and e300c3.
1918         (rs6000_override_options): Add e300c2 and e300c3 cases to
1919         processor_target_table. Do not allow usage of Altivec or Spe
1920         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
1921         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
1922         * config/rs6000/rs6000.h (processor_type): Add
1923         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
1924         (ASM_CPU_SPEC): Add e300c2 and e300c3.
1925         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
1926         and ppce300c3. Include e300c2c3.md.
1927
1928 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
1929
1930         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
1931         instead of TARGET_STRICT_ALIGN.
1932
1933 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
1934
1935         * explow.c (memory_address): Assert that the generated address is
1936         valid.
1937
1938 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
1939
1940         PR target/25477
1941         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
1942         * config/darwin-ppc-ldouble-patch.def: New file.
1943         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
1944         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
1945         SUBTARGET_INIT_BUILTINS if defined.
1946         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
1947         New functions.
1948
1949 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1950
1951         PR rtl-opt/33512
1952         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
1953         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
1954
1955 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1956
1957         PR pch/35027
1958         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
1959         file" warning condtional on -Winvalid-PCH.
1960
1961 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
1962
1963         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
1964
1965 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
1966
1967         PR target/22076
1968         PR target/34256 
1969         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
1970         prevent reload from using MMX registers.
1971         (*mov<mode>_internal): Ditto.
1972         (*movv2sf_internal_rex64): Ditto.
1973         (*movv2sf_internal): Ditto.
1974
1975 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1976
1977         PR documentation/31569
1978         * doc/install.texi2html: Use makeinfo --no-number-sections.
1979
1980 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
1981
1982         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
1983         ensure that we can address an entire entity > 8 bytes.  Don't
1984         generate reg+reg addressing for such data.
1985
1986 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
1987
1988         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
1989         strings when optimizing for size, unless the target cares about
1990         alignment.
1991
1992 2008-02-22  Tom Tromey  <tromey@redhat.com>
1993
1994         * regclass.c (current_pass): Remove declaration.
1995
1996 2008-02-22  Anatoly Sokolov <aesok@post.ru>
1997
1998         * config/avr/libgcc.S (__RAMPZ__): Define.
1999         (__do_copy_data): Add for devices with 128KB code memory.
2000
2001 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
2002
2003         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
2004         Use spe_abi.
2005         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
2006
2007 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
2008
2009         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
2010         GENNONACR_REGS.
2011
2012 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2013
2014         PR c/19999
2015         * c-typeck.c (build_binary_op): Warn about floating point
2016         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
2017
2018 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
2019
2020         PR target/34526
2021         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
2022         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
2023         add vrsave.
2024         (rs6000_override_options): Set altivec_abi as default, not override,
2025         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
2026         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
2027         is used; use new member spe_abi.
2028         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
2029         spe_abi and altivec_abi.
2030
2031 2008-02-22  Tomas Bily  <tbily@suse.cz>
2032
2033         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
2034
2035 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2036
2037         PR bootstrap/35273
2038         * config.build (build_file_translate): Set to `CMD //c' only if
2039         it works.
2040         * Makefile.in (build_file_translate): Improve comment.
2041
2042 2008-02-21  Jan Hubicka  <jh@suse.cz>
2043
2044         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
2045         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
2046         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
2047
2048 2008-02-21  Michael Matz  <matz@suse.de>
2049
2050         PR target/35264
2051         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
2052
2053 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
2054
2055         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
2056         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
2057         as insn constraint.
2058         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
2059         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
2060         SSE_VEC_FLOAT_MODE_P as insn constraint.
2061         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
2062         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
2063         sse4a_movntdf using MODEF mode iterator.
2064         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
2065         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
2066         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
2067         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
2068         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
2069         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
2070         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
2071
2072 2008-02-21  Richard Guenther  <rguenther@suse.de>
2073
2074         * tree.def (PAREN_EXPR): New tree code.
2075         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
2076         and PAREN_EXPR.
2077         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
2078         * expr.c (expand_expr_real_1): Likewise.
2079         * tree-inline.c (estimate_num_insns_1): Likewise.
2080         * tree-complex.c (expand_complex_move): Likewise.
2081         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
2082         as plain x.
2083
2084 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
2085
2086         PR target/35225
2087         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
2088
2089 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
2090
2091         PR target/35190
2092         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
2093
2094         * config/sh/sh.c (find_barrier): Don't go past
2095         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
2096
2097 2008-02-20  DJ Delorie  <dj@redhat.com>
2098
2099         * config/h8300/h8300.md (insv): Force source operand to be a register.
2100
2101         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
2102         as a jump, not as a plain insn.
2103         
2104 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
2105
2106         * doc/invoke.texi (Warning Options): Add new option
2107         -Wframe-larger-than=.
2108         (-Wframe-larger-than): Document.
2109
2110         * flags.h (warn_frame_larger_than, frame_larger_than_size):
2111         Add declarations for new option variables.
2112
2113         * final.c (final_start_function): Check the frame size
2114         before emission and issue a Wframe-larger-than warning.
2115
2116         * opts.c (warn_frame_larger_than, frame_larger_than_size):
2117         Add definitions for new option variables.
2118         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
2119
2120         * common.opt (Wframe-larger-than=): New option.
2121
2122 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
2123
2124         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
2125         (<sse>_div<mode>3): Ditto.
2126         (<sse>_vmdiv<mode>3): Ditto.
2127         (<sse>_vmsqrt<mode>2): Ditto.
2128         (*smax<mode>3): Ditto.
2129         (sse5_frcz<mode>2): Ditto.
2130         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
2131         as insn constraint.
2132
2133 2008-02-20  Richard Guenther  <rguenther@suse.de>
2134
2135         PR middle-end/35265
2136         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
2137         be happy with INTEGRAL_TYPE_P.
2138
2139 2008-02-20  Richard Guenther  <rguenther@suse.de>
2140
2141         * fold-const.c (split_tree): Associate floatig-point expressions
2142         if flag_associative_math is set.
2143
2144 2008-02-20  Richard Guenther  <rguenther@suse.de>
2145
2146         * tree.h (fold_real_zero_addition_p): Declare.
2147         * fold-const.c (fold_real_zero_addition_p): Export.
2148         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
2149         floating-point operations with zero and one.
2150
2151 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
2152
2153         * doc/install.texi: Correct references to CFLAGS, replacing them
2154         with BOOT_CFLAGS.  Document flags used during bootstrap for
2155         target libraries.
2156                                 
2157 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
2158
2159         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
2160         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
2161         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
2162         insn constraint.
2163         (smin<mode>3): Ditto from similar patterns.
2164         (smax<mode>3): Ditto.
2165         (*ieee_smin<mode>3): Ditto.
2166         (*ieee_smax<mode>3): Ditto.
2167         * config/i386/sse.md (sse): New mode attribute.
2168         (mov<mode>): Macroize expander from movv4sf and movv2df using
2169         SSEMODEF2P mode iterator.
2170         (<sse>_movnt<mode>): Ditto from similar patterns. Use
2171         SSE_VEC_FLOAT_MODE_P as insn constraint.
2172         (storent<mode>): Ditto.
2173         (storent<mode>): Macroize expander from storentsf and storentdf using
2174         MODEF mode iterator.
2175         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
2176         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
2177         (abs<mode>2): Ditto from similar patterns.
2178         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
2179         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
2180         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
2181         (<sse>_vmsqrt<mode>2): Ditto.
2182         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
2183         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
2184         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
2185         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
2186         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
2187         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
2188         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
2189         insn constraint.
2190         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
2191         iterator and SSE_FLOAT_MODE_P as insn constraint.
2192         (<sse>_ucomi): Ditto from similar patterns.
2193         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
2194         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
2195         SSE_VEC_FLOAT_MODE_P as insn constraint.
2196         (vcond<mode>): Ditto from similar patterns.
2197         (and<mode>3, *and<mode>3): Ditto.
2198         (<sse>_nand<mode>3): Ditto.
2199         (ior<mode>3, *ior<mode>3): Ditto.
2200         (xor<mode>3, *xor<mode>3): Ditto.
2201         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
2202         iterator and SSE_FLOAT_MODE_P as insn constraint.
2203         (*nand<mode>3): Ditto from similar patterns.
2204         (*ior<mode>3): Ditto.
2205         (*xor<mode>3): Ditto.
2206
2207 2008-02-20  Ira Rosen  <irar@il.ibm.com>
2208
2209         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
2210         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
2211         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
2212
2213 2008-02-19  Jan Hubicka  <jh@suse.cz>
2214
2215         * predict.c (tree_bb_level_predictions): Remove variable next
2216         mistakely introduced by previous commit.
2217
2218 2008-02-19  Jan Hubicka  <jh@suse.cz>
2219
2220         * predict.c (predict_paths_leading_to): Rewrite.
2221         (predict_paths_for_bb): New.
2222         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
2223
2224 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2225
2226         PR bootstrap/35218
2227         * Makefile.in (build_file_translate): New.
2228         (gcc-vers.texi): Use it for translating $(abs_srcdir).
2229         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
2230         * configure.ac (build_file_translate): Substitute it.
2231         * configure: Regenerate.
2232
2233 2008-02-19  Jan Hubicka  <jh@suse.cz>
2234
2235         PR rtl-optimization/34408
2236         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
2237         invalid sharing.
2238
2239 2008-02-19  Jan Hubicka  <jh@suse.cz>
2240
2241         PR middle-end/28779
2242         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
2243         call_expr.
2244
2245 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
2246
2247         PR Ada/35186
2248         * config/i386/i386-modes.def: Revert the last DI alignment
2249         change until Ada people can look into it.
2250
2251 2008-02-19  Nick Clifton  <nickc@redhat.com>
2252
2253         * opts.c (print_specific_help): Fix typo in --help text.
2254
2255 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
2256
2257         PR target/35239
2258         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
2259         32-bit inline asm without asm alternatives for host GCC < 3.0.
2260
2261 2008-02-19  Richard Guenther  <rguenther@suse.de>
2262
2263         PR tree-optimization/34989
2264         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
2265         Allow propagation to INDIRECT_REF if we can simplify only.
2266
2267 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2268
2269         * c-common.c (warn_for_collisions_1): Use appropriate option when
2270         warning.
2271
2272 2008-02-19  Nick Clifton  <nickc@redhat.com>
2273
2274         PR other/31349
2275         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
2276         (handle_options): Fix indentation.
2277         (print_filtered_help): If no language-specific options were
2278         displayed tell the user how to list all the options supported by
2279         the language's front-end.
2280         (print_specific_help): Fix indentation and remove duplicate line.
2281         (common_handle_option): Handle the -v option.
2282         For --help enable the display of undocumented options if the -v
2283         switch has been included on the command line.
2284         For --help= check for overlaps in the arguments between the option
2285         classes and the language names and issue a warning when they
2286         cannot be disambiguated.
2287         * c.opt (v): Pass on to the common option handler.
2288
2289 2008-02-19  Revital Eres  <eres@il.ibm.com> 
2290
2291         * modulo-sched.c (sms_schedule): Change dump message when
2292         create_ddg function fails.
2293         (try_scheduling_node_in_cycle): Rename row to cycle.
2294         (print_partial_schedule): Rename CYCLE to ROW.
2295
2296 2008-02-19  Christian Bruel  <christian.bruel@st.com>
2297             Zdenek Dvorak  <ook@ucw.cz>
2298
2299         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
2300
2301 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
2302
2303         PR target/33555
2304         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
2305         (*x86_movdicc_0_m1_se): Ditto.
2306
2307 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
2308
2309         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
2310         (CMPtype): Define as __gcc_CMPtype.
2311         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
2312         (CMPtype): Define as __gcc_CMPtype.
2313
2314 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
2315
2316         Support valgrind 3.3 for --enable-checking=valgrind.
2317         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
2318         here.
2319         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
2320         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
2321         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
2322         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
2323         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
2324         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
2325         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
2326         respectively.
2327         * ggc-zone.c: Similar.
2328         * ggc-page.c: Similar.
2329
2330 2008-02-19  Paul Brook  <paul@codesourcery.com>
2331
2332         PR target/35071
2333         * config/arm/ieee754-df.S: Fix do_it typo.
2334         * config/arm/ieee754-sf.S: Fix do_it typo.
2335
2336 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
2337
2338         PR target/35189
2339         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
2340         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
2341         (OPTION_MASK_ISA_SSE_SET): Likewise.
2342         (OPTION_MASK_ISA_SSE2_SET): Likewise.
2343         (OPTION_MASK_ISA_SSE3_SET): Likewise.
2344         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
2345         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
2346         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
2347         (OPTION_MASK_ISA_SSE4_SET): Likewise.
2348         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
2349         (OPTION_MASK_ISA_SSE5_SET): Likewise.
2350         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
2351         (OPTION_MASK_ISA_MMX_UNSET): Updated.
2352         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
2353         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
2354         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
2355         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
2356         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
2357         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
2358         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
2359         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
2360         (OPTION_MASK_ISA_SSE4): Removed.
2361         (ix86_handle_option): Turn on bits in ix86_isa_flags and
2362         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
2363         (override_options): Don't turn on implied SSE/MMX bits in
2364         ix86_isa_flags.
2365
2366 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
2367
2368         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
2369         32bit host.
2370
2371 2008-02-18  Joey Ye  <joey.ye@intel.com>
2372
2373         PR middle-end/34921
2374         * tree-nested.c (insert_field_into_struct): Set type alignment
2375         to field alignment if the former is less than the latter.
2376
2377 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
2378
2379         * BASE-VER: Set to 4.4.0.
2380
2381 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2382
2383         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
2384         * doc/cfg.texi: Likewise.
2385         * doc/extend.texi: Likewise.
2386         * doc/gty.texi: Likewise.
2387         * doc/invoke.texi: Likewise.
2388         * doc/loop.texi: Likewise.
2389         * doc/md.texi: Likewise.
2390         * doc/passes.texi: Likewise.
2391         * doc/rtl.texi: Likewise.
2392         * doc/sourcebuild.texi: Likewise.
2393         * doc/tm.texi: Likewise.
2394         * doc/tree-ssa.texi: Likewise.
2395
2396 2008-02-17  Richard Guenther  <rguenther@suse.de>
2397
2398         PR middle-end/35227
2399         * tree-complex.c (init_parameter_lattice_values): Handle parameters
2400         without default definition.
2401
2402 2008-02-17  Richard Guenther  <rguenther@suse.de>
2403
2404         PR tree-optimization/35231
2405         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
2406         if A | B != 1.
2407
2408 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
2409
2410         Revert:
2411
2412         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>    
2413         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
2414         libgcc_cmp_return mode.
2415
2416 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2417
2418         PR c/28368
2419         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
2420
2421 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
2422
2423         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
2424         multilibs.
2425
2426 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2427
2428         * doc/c-tree.texi: Use `@.' where appropriate.
2429         * doc/extend.texi: Likewise.
2430         * doc/install.texi: Likewise.
2431         * doc/invoke.texi: Likewise.
2432         * doc/loop.texi: Likewise.
2433         * doc/makefile.texi: Likewise.
2434         * doc/md.texi: Likewise.
2435         * doc/passes.texi: Likewise.
2436         * doc/standards.texi: Likewise.
2437         * doc/tm.texi: Likewise.
2438
2439 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
2440
2441         PR middle-end/35196
2442         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
2443         in entry_bb.
2444         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
2445         rather than in entry_bb.
2446
2447 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
2448
2449         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
2450         libgcc_cmp_return mode.
2451
2452 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
2453
2454         PR middle-end/35130
2455         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
2456         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
2457
2458 2008-02-15  Richard Guenther  <rguenther@suse.de>
2459             Zdenek Dvorak  <ook@ucw.cz>
2460
2461         PR tree-optimization/35164
2462         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
2463         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
2464         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
2465         Only propagate addresses which do not have abnormal SSA_NAMEs
2466         in their operands.
2467
2468 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
2469
2470         PR target/35088
2471         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
2472
2473 2008-02-15  Jan Hubicka  <jh@suse.cz>
2474
2475         PR middle-end/35149
2476         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
2477
2478 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
2479
2480         PR middle-end/34621
2481         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
2482         when calculating alignment_pad.
2483
2484 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
2485
2486         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
2487         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
2488         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
2489         and STACK_BOUNDARY define.
2490
2491 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
2492
2493         PR preprocessor/35061
2494         * c-pragma.c (handle_pragma_pop_macro): Check that
2495         pushed_macro_table has been allocated.
2496
2497 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
2498
2499         PR middle-end/35136
2500         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
2501         (force_gimple_operand): Likewise.
2502         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
2503         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
2504         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
2505         (find_interesting_uses_address): Check addressability and alignment
2506         of the base expression only after substituting bases of IVs into it.
2507
2508 2008-02-14  Michael Matz  <matz@suse.de>
2509
2510         PR target/34930
2511         * function.c (instantiate_virtual_regs_in_insn): Reload address
2512         before falling back to reloading the whole operand.
2513
2514 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
2515
2516         * config/s390/s390.c (s390_mainpool_start): Emit the pool
2517         before the first section switch note.
2518
2519 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2520
2521         * doc/bugreport.texi: Update copyright years.
2522         * doc/c-tree.texi: Likewise.
2523         * doc/cfg.texi: Likewise.
2524         * doc/cpp.texi: Likewise.
2525         * doc/cppinternals.texi: Likewise.
2526         * doc/fragments.texi: Likewise.
2527         * doc/frontends.texi: Likewise.
2528         * doc/gcc.texi: Likewise.
2529         * doc/gty.texi: Likewise.
2530         * doc/hostconfig.texi: Likewise.
2531         * doc/implement-c.texi: Likewise.
2532         * doc/libgcc.texi: Likewise.
2533         * doc/loop.texi: Likewise.
2534         * doc/makefile.texi: Likewise.
2535         * doc/options.texi: Likewise.
2536         * doc/passes.texi: Likewise.
2537         * doc/rtl.texi: Likewise.
2538         * doc/sourcebuild.texi: Likewise.
2539         * doc/standards.texi: Likewise.
2540         * doc/tree-ssa.texi: Likewise.
2541         * doc/trouble.texi: Likewise.
2542
2543         * doc/extend.texi: Use @: or add comma where appropriate.
2544         * doc/invoke.texi: Likewise.
2545         * doc/tm.texi: Likewise.
2546
2547 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
2548
2549         PR target/34393
2550         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
2551         to a reg.
2552
2553 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
2554
2555         * doc/md.texi (clz, ctz): Add reference.
2556         * doc/rtl.texi (clz, ctz): Likewise.
2557
2558 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2559
2560         PR other/35148
2561         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
2562         srcdir.
2563
2564 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
2565
2566         * config/s390/s390.c (struct constant_pool): New field
2567         emit_pool_after added.
2568         (s390_mainpool_start): Set the emit_pool_after flag according
2569         to the section switch notes.
2570         (s390_mainpool_finish): Consider emit_pool_after when emitting
2571         the literal pool at the end of the function.
2572         (s390_chunkify_start): Force literal pool splits at section
2573         switch notes.
2574
2575 2008-02-13  Michael Matz  <matz@suse.de>
2576
2577         PR debug/35065
2578         * var-tracking.c (clobber_variable_part): Correctly traverse the
2579         list.
2580
2581 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2582
2583         PR 29673
2584         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
2585         Add -fdump-ipa-inline.
2586         * tree-dump.c (dump_files): Remove tree-inlined dump.
2587         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
2588         
2589 2008-02-12  Richard Guenther  <rguenther@suse.de>
2590
2591         PR tree-optimization/35171
2592         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
2593         default defs.
2594
2595 2008-02-12  Richard Guenther  <rguenther@suse.de>
2596
2597         PR middle-end/35163
2598         * fold-const.c (fold_widened_comparison): Use get_unwidened in
2599         value-preserving mode.  Disallow final truncation.
2600
2601 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
2602
2603         PR middle-end/35136
2604         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
2605         code from here to...
2606         (force_gimple_operand): ...here.
2607
2608 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
2609
2610         PR c++/35144
2611         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
2612         non-compatible pointers.
2613         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
2614         different FIELD_DECLs, try harder by comparing field offsets, sizes
2615         and types.
2616
2617         PR inline-asm/35160
2618         * function.c (match_asm_constraints_1): Don't replace the same input
2619         multiple times.
2620
2621 2008-02-12  Anatoly Sokolov <aesok@post.ru>
2622
2623         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
2624         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
2625         (expand_epilogue): Restore RAMPZ register.
2626         * config/avr/avr.md (RAMPZ_ADDR): New constant.
2627
2628 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
2629
2630         * config/i386/cygwin.asm: (__alloca): Correct calling
2631         convention and alignment.
2632         (__chkstk): Force 8 byte stack alignment.
2633
2634 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
2635             Richard Guenther  <rguenther@suse.de>
2636
2637         PR tree-optimization/33992
2638         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
2639         the zero we compare against.
2640
2641 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
2642
2643         PR libfortran/35063
2644         * gthr-win32.h (__gthread_mutex_destroy_function): New function
2645         to CloseHandle after unlocking to prevent accumulation of handle
2646         count.
2647
2648 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2649
2650         PR middle_end/34150
2651         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
2652         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
2653         and update LABEL_NUSES during and after reload.
2654
2655 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
2656
2657         PR middle-end/34627
2658         * combine.c (simplify_if_then_else): Make sure the comparison is
2659         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
2660
2661 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
2662
2663         PR bootstrap/35051
2664         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
2665         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
2666         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
2667         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
2668         * tree.h (get_type_static_bounds): Likewise.
2669
2670 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2671
2672         * doc/invoke.texi (Option Summary, C++ Dialect Options)
2673         (Objective-C and Objective-C++ Dialect Options, Warning Options):
2674         Make -Wfoo language annotations match what the compiler outputs.
2675
2676 2008-02-08  Sa Liu  <saliu@de.ibm.com>
2677
2678         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu 
2679         intrinsics spu_convts, spu_convtu, spu_convtf.
2680         * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
2681
2682 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
2683
2684         * doc/extend.texi (Function Attributes) <noinline>: Mention
2685         asm ("") as method to keep calls.
2686
2687 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2688
2689         PR other/32754
2690         * doc/options.texi (Options): Replace references to opts.sh with
2691         optc-gen.awk.
2692         * opts-common.c: Likewise.
2693         * optc-gen.awk: Likewise.
2694         
2695 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
2696
2697         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
2698
2699 2008-02-07  Richard Henderson  <rth@redhat.com>
2700
2701         PR rtl-opt/33410
2702         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
2703         EXPR_LIST for the REG_EQUAL instead of a comparison with a 
2704         funny mode.
2705
2706 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
2707
2708         PR tree-optimization/35085
2709         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
2710         for operand entry oe2 in addition to operand entry oe3 in order to
2711         expose more opportunities for vectorizer sum reduction.
2712
2713 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2714
2715         PR other/35107
2716         * Makefile.in (LIBS): Remove $(GMPLIBS).
2717         (cc1-dummy, cc1): Add $(GMPLIBS).
2718
2719 2008-02-06  Jan Hubicka  <jh@suse.cz>
2720
2721         PR target/23322
2722         * i386.md (moddf_integer): Do not produce partial memory stalls for
2723         targets where it hurts.
2724
2725 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
2726
2727         PR target/35083
2728         * optabs.c (expand_float): Do not check for decimal modes when
2729         expanding unsigned integer through signed conversion.
2730
2731 2008-02-06  Nick Clifton  <nickc@redhat.com>
2732
2733         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
2734         inside the clobber with a match_operand and duplicated operand
2735         number in the constraint.
2736         (ineqbranchsi): Delete redundant comment.
2737
2738 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
2739
2740         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add 
2741         builtin_define ("__USE_INIT_FINI__").
2742         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
2743         -msx multilibs.
2744         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
2745
2746 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2747
2748         PR documentation/30330
2749         * doc/invoke.texi (C++ Dialect Options)
2750         (Objective-C and Objective-C++ Dialect Options, Warning Options):
2751         For each warning option -Wfoo that allows -Wno-foo, ensure both
2752         -Wfoo and -Wno-foo are listed in the option index.  Fix index
2753         entry of -Wswitch-default, index -Wnormalized= including the
2754         `=', and -Wlarger-than-@var{len} including @var{len}.
2755
2756 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
2757
2758         * config/i386/i386.md (floatunssisf2): Use
2759         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
2760         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
2761         Macroize expander using MODEF mode iterator.
2762
2763 2008-02-05  Diego Novillo  <dnovillo@google.com>
2764
2765         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
2766
2767         PR 33738
2768         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
2769
2770 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2771
2772         PR other/35070
2773         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
2774
2775 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
2776
2777         PR target/35084
2778         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
2779         to indicate if a message should be generated.
2780         (init_cumulative_args): Updated.
2781         (function_value_32): Likewise.
2782
2783 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
2784
2785         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
2786
2787 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
2788
2789         PR target/35083
2790         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
2791         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
2792
2793 2008-02-04  Diego Novillo  <dnovillo@google.com>
2794
2795         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
2796
2797         PR 33738
2798         * tree-vrp.c (vrp_evaluate_conditional): With
2799         -Wtype-limits, emit a warning when comparing against a
2800         constant outside the natural range of OP0's type.
2801
2802 2008-02-04  Richard Guenther  <rguenther@suse.de>
2803
2804         PR middle-end/33631
2805         * expr.c (count_type_elements): Give for unions instead of
2806         guessing.
2807
2808 2008-02-04  Richard Guenther  <rguenther@suse.de>
2809
2810         PR middle-end/35043
2811         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
2812         to TYPE_DOMAINs base type instead of using bitsizetype here.
2813
2814 2008-02-03  Jason Merrill  <jason@redhat.com>
2815
2816         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
2817
2818 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2819
2820         PR other/29972
2821         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
2822         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
2823         (RS/6000 and PowerPC Options): Fix typos and markup.
2824         * doc/passes.texi (Tree-SSA passes): Likewise.
2825
2826 2008-02-02  Michael Matz  <matz@suse.de>
2827
2828         PR target/35045
2829         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
2830         from record_last_reg_set_info.
2831         (record_last_reg_set_info): Take an RTX argument, iterate over all
2832         constituent hardregs.
2833         (record_last_set_info, record_opr_changes): Change calls to
2834         new signature or to record_last_reg_set_info_regno.
2835
2836 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
2837
2838         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
2839
2840 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
2841
2842         PR rtl-optimization/34773
2843         * reg-notes.def (EQUAL): Mention significance of combination of
2844         REG_EQUAL and REG_RETVAL.
2845         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
2846         insn that has a REG_RETVAL.
2847
2848 2008-02-01  Roger Sayle  <roger@eyesopen.com>
2849
2850         PR bootstrap/33781
2851         * configure.ac (--enable-fixed-point): Disable unless explicitly
2852         requested on IRIX.
2853         * configure: Regenerate.
2854
2855 2008-02-01  Richard Guenther  <rguenther@suse.de>
2856
2857         PR other/35042
2858         * invoke.texi (-finline-limit): Remove no longer true parts
2859         of the documentation.  Note that there is no default value.
2860
2861 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
2862             Mark Mitchell  <mark@codesourcery.com>
2863             Ben Elliston  <bje@au.ibm.com>
2864
2865         PR c/29326
2866         * doc/extend.texi (Other Builtins): Document.
2867
2868 2008-01-31  Tom Browder <tom.browder@gmail.com>
2869
2870         * doc/c-tree.texi (Types): Fix grammar.
2871         (Expression trees): Ditto.
2872         * doc/passes.texi (Tree-SSA passes): Ditto.
2873         
2874         * doc/configterms.texi (Configure Terms): Fix typo.
2875         * doc/cpp.texi (Common Predefined Macros): Ditto.
2876         * doc/md.texi (Machine Constraints): Ditto.
2877         
2878         * doc/makefile.texi (Makefile): Add comma.
2879
2880 2008-01-31  Tom Browder  <tom.browder@gmail.com>
2881             Gerald Pfeifer  <gerald@pfeifer.com>
2882         
2883         * doc/sourcebuild.texi (Front End): Remove references to CVS
2884         and CVSROOT/modules.
2885         (Texinfo Manuals): Replace reference to CVS by one to SVN.
2886         (Back End): Remove reference to CVS.
2887
2888 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
2889
2890         PR target/34900
2891         * config/mips/mips.c (gen_load_const_gp): New function, taking a
2892         comment from...
2893         (mips16_gp_pseudo_reg): ...here.
2894         * config/mips/mips.md (load_const_gp): Replace with...
2895         (load_const_gp_<mode>): ...this :P-based insn.
2896
2897 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2898
2899         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
2900         options. Minor fixes.
2901         (-std): Move reference to standards closer to where language
2902         standards are first mentioned.
2903         
2904 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
2905
2906         PR rtl-optimization/34995
2907         * reload.c (alternative_allows_const_pool_ref): Take an rtx
2908         parameter and return a bool.  If the rtx parameter is nonnull,
2909         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
2910         (find_reloads): Update call accordingly.  Pass the new operand
2911         if it needed no address reloads, otherwise pass null.
2912
2913 2008-01-30  Richard Henderson  <rth@redhat.com>
2914
2915         PR c/34993
2916         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
2917         for unbounded arrays.
2918
2919 2008-01-30  Silvius Rus  <rus@google.com>
2920
2921         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
2922
2923 2008-01-30  Jan Hubicka  <jh@suse.cz>
2924
2925         PR target/34982
2926         * i386.c (init_cumulative_args): Use real function declaration when
2927         calling locally.
2928
2929 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
2930
2931         PR rtl-optimization/34998
2932         * global.c (build_insn_chain): Treat non-subreg_lowpart
2933         SUBREGs of pseudos as clobbering all the words covered by the
2934         SUBREG, not just all the bytes.
2935         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
2936         original df_ref rather than an extract parameter.
2937         (global_conflicts): Update call accordingly.
2938
2939 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
2940
2941         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
2942         the overflow check to make it easier to read.
2943         (__fixtfdi): Change the type of the ll member in union
2944         long_double to UDItype_x.
2945
2946 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
2947
2948         PR middle-end/34969
2949         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
2950         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
2951         * tree-inline.c (fold_marked_statements): Call
2952         cgraph_update_edges_for_call_stmt if folding a call statement.
2953         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
2954         debug_generic_stmt calls, reset it back afterwards.
2955
2956         PR c/35017
2957         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
2958         static decls.
2959         * c-typeck.c (build_external_ref): Don't pedwarn about
2960         static vars in current function's scope.
2961
2962 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
2963
2964         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
2965
2966 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
2967
2968         PR c/35002
2969         * ipa-struct-reorg.c: Fix spelling.
2970         * params.def: Ditto.
2971
2972 2008-01-29  Richard Guenther  <rguenther@suse.de>
2973
2974         PR middle-end/35006
2975         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
2976         field.
2977         * tree-inline.c (remap_type): Increment remapping_type_depth
2978         around remapping types.
2979         (copy_body_r): Only add referenced variables if they are referenced
2980         from code, not types.
2981
2982 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
2983
2984         PR c++/34055
2985         PR c++/34103
2986         PR c++/34219
2987         PR c++/34606
2988         PR c++/34753
2989         PR c++/34754
2990         PR c++/34755
2991         PR c++/34919
2992         PR c++/34961
2993         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
2994         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
2995
2996 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
2997
2998         PR target/34412
2999         * config/avr/avr.c (expand_prologue): Use correct QI mode frame 
3000         pointer for tiny stack.
3001
3002 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
3003
3004         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
3005
3006 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
3007
3008         * config/vx-common.h: Fix typo in comment.
3009
3010 2008-01-28  Ian Lance Taylor  <iant@google.com>
3011
3012         PR c++/34862
3013         PR c++/33407
3014         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
3015         coalesce pointers if they have different DECL_NO_TBAA_P values.
3016         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
3017         between variables with different DECL_NO_TBAA_P values.
3018
3019 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
3020
3021         PR 31535
3022         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
3023         are not legitimate small data references on SPE targets.
3024
3025 2008-01-28  David Daney  <ddaney@avtrex.com>
3026
3027         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
3028
3029 2008-01-28  David Daney  <ddaney@avtrex.com>
3030
3031         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
3032
3033 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
3034
3035         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
3036         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
3037         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
3038         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
3039         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
3040         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
3041         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
3042         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
3043
3044 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
3045
3046         * basic-block.h (condjump_equiv_p): Fix comment.
3047
3048 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
3049
3050         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
3051         print_generic_stmt_indented): Fix comment.
3052
3053 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
3054
3055         * configure.ac (__stack_chk_fail): Add detecion for availability
3056         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
3057         * configure: Regenerate.
3058
3059 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
3060
3061         PR middle-end/34688
3062         * final.c (output_addr_const): Handle TRUNCATE.
3063
3064 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
3065
3066         PR target/34711
3067         * tree-ssa-loop-ivopts.c (comp_cost): New type.
3068         (zero_cost, infinite_cost): New constants.
3069         (struct cost_pair): Change type of cost to comp_cost.
3070         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
3071         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
3072         New functions.
3073         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
3074         split_address_cost, ptr_difference_cost, difference_cost,
3075         get_computation_cost_at, get_computation_cost,
3076         determine_use_iv_cost_generic, determine_use_iv_cost_address,
3077         determine_use_iv_cost_condition, determine_use_iv_costs,
3078         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
3079         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
3080         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
3081         Change type of cost to comp_cost.
3082         (determine_iv_cost): Increase cost of non-original ivs, instead
3083         of decreasing the cost of original ones.
3084         (get_address_cost): Indicate the complexity of the addressing mode 
3085         in comp_cost.
3086         (try_add_cand_for): Prefer using ivs not specific to some object.
3087         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
3088
3089 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
3090             Janis Johnson  <janis187@us.ibm.com>
3091
3092         PR target/34814
3093         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
3094         (TARGET_INSTANTIATE_DECLS): Likewise.
3095         * target.h (expand_to_rtl_hook): New target hook.
3096         (instantiate_decls): Likewise.
3097         * function.c (instantiate_decl): Make non-static.  Rename to...
3098         (instantiate_decl_rtl): ... this.
3099         (instantiate_expr): Use instantiate_decl_rtl.
3100         (instantiate_decls_1): Likewise.
3101         (instantiate_decls): Likewise.
3102         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
3103         * function.h (instantiate_decl_rtl): Add prototype.
3104         * cfgexpand.c (target.h): New include.
3105         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
3106         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
3107         (TARGET_INSTANTIATE_DECLS): Likewise.
3108         (TARGET_INITIALIZER): New target hooks added.
3109         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
3110         New prototype.
3111         * config/rs6000/rs6000.c (tree-flow.h): New include.
3112         (machine_function): Add sdmode_stack_slot field.
3113         (rs6000_alloc_sdmode_stack_slot): New function.
3114         (rs6000_instantiate_decls): Likewise.
3115         (rs6000_secondary_memory_needed_rtx): Likewise.
3116         (rs6000_check_sdmode): Likewise.
3117         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
3118         (TARGET_INSTANTIATE_DECLS): Likewise.
3119         (rs6000_hard_regno_mode_ok): Allow SDmode.
3120         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
3121         (rs6000_emit_move): Handle SDmode.
3122         (function_arg_advance): Likewise.
3123         (function_arg): Likewise.
3124         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
3125         SDmode var args for 32-bit compiles.
3126         (rs6000_secondary_reload_class): Handle SDmode.
3127         (rs6000_output_function_epilogue): Likewise.
3128         (rs6000_function_value): Simplify if statement.
3129         (rs6000_libcall_value): Likewise.
3130         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
3131         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
3132         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
3133         (movsd_hardfloat): New define_insn.
3134         (movsd_softfloat): Likewise.
3135         (movsd_store): Likewise.
3136         (movsd_load): Likewise.
3137         (extendsddd2): Likewise.
3138         (extendsdtd2): Likewise.
3139         (truncddsd2): Likewise.
3140         (movdd_hardfloat64): Fixup comment.
3141         (UNSPEC_MOVSD_LOAD): New constant.
3142         (UNSPEC_MOVSD_STORE): Likewise.
3143
3144 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
3145
3146         PR c++/34965
3147         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
3148         TRUTH_XOR_EXPR.
3149         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
3150         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
3151         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
3152         and TRUTH_XOR_EXPR.
3153
3154 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
3155
3156         PR target/34794
3157         * config.gcc: Separate AIX 5.3 from AIX 6.1.
3158         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3159         __LONGDOUBLE128 too.
3160         * config/rs6000/aix61.h: New file.
3161
3162 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
3163
3164         PR rtl-optimization/34959
3165         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
3166         popcount and parity rtxes the same mode as their operand.
3167         Truncate or extend the result to the return value's mode
3168         if necessary.
3169
3170 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
3171
3172         PR target/34981
3173         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
3174         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
3175         to GOT_VERSION_REGNUM.
3176         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
3177         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
3178         * config/mips/mips.c (mips_emit_call_insn): New function.
3179         (mips_call_tls_get_addr): Call mips_expand_call directly.
3180         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
3181         emit_call_insn.
3182         (mips16_build_call_stub): Likewise.  Return the call insn or null.
3183         (mips_expand_call): Update the call to mips16_build_call_stub
3184         accordingly and a remove redundant condition.  Assert that MIPS16
3185         stubs do not use lazy binding.  Use mips_emit_call_insn and return
3186         the call insn.
3187         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
3188         TARGET_USE_GOT.
3189         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
3190         (mips_avoid_hazard): Remove hazard_set handling.
3191         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
3192         (UNSPEC_RESTORE_GP): ...this.
3193         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
3194         (FAKE_CALL_REGNO): Rename to...
3195         (GOT_VERSION_REGNUM): ...this.
3196         (type): Add "ghost" value.  Add an associated insn reservation.
3197         (hazard_set): Remove.
3198         (exception_receiver): Rename to...
3199         (restore_gp): ...this and update the unspec identifier accordingly.
3200         (exception_receiver, nonlocal_got_receiver): New expanders.
3201         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
3202         FAKE_CALL_REGNO.  Remove hazard_set attribute.
3203         (set_got_version, update_got_version): New patterns.
3204
3205 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
3206
3207         PR target/34970
3208         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
3209
3210 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
3211
3212         PR other/31955
3213         * doc/install.texi2html: Generate gcc-vers.texi.
3214
3215 2008-01-25  DJ Delorie  <dj@redhat.com>
3216
3217         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
3218
3219 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
3220
3221         * config/c4x: Remove directory.
3222         * config.gcc (crx-*, mt-*): Mark obsolete.
3223         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
3224         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
3225         sh-*-rtemscoff*): Remove cases.
3226         * defaults.h (C4X_FLOAT_FORMAT): Remove.
3227         * real.c (encode_c4x_single, decode_c4x_single,
3228         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
3229         c4x_extended_format): Remove.
3230         * real.h (c4x_single_format, c4x_extended_format): Remove.
3231         * doc/extend.texi (interrupt, naked): Remove mention of attributes
3232         on C4x.
3233         (Pragmas): Remove comment about c4x pragmas.
3234         * doc/install.texi (c4x): Remove target-specific instructions.
3235         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
3236         * doc/md.texi (Machine Constraints): Remove C4x documentation.
3237         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
3238         refer to C4x source files as examples.
3239         (C4X_FLOAT_FORMAT): Remove documentation.
3240
3241 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
3242
3243         * config/bfin/bfin.c (override_options): Reorder tests so that
3244         flag_pic gets enabled for -msep-data.
3245
3246 2008-01-25  Richard Guenther  <rguenther@suse.de>
3247
3248         PR middle-end/32244
3249         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
3250         to its bitfield precision if required.
3251
3252 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
3253
3254         PR middle-end/33880
3255         * tree-nested.c (walk_omp_for): New function.
3256         (convert_nonlocal_reference, convert_local_reference): Call
3257         walk_omp_for on OMP_FOR.
3258         (convert_call_expr): Call walk_body on OMP_FOR's
3259         OMP_FOR_PRE_INIT_BODY.
3260
3261 2008-01-25  Richard Guenther  <rguenther@suse.de>
3262
3263         PR tree-optimization/34966
3264         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
3265         default defs and PHI_NODEs we have to insert after the
3266         defining statement.
3267
3268 2008-01-24  Nick Clifton  <nickc@redhat.com>
3269
3270         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
3271         Provide a default definition.
3272         (LIBGCC2_UNITS_PER_WORD): Likewise.
3273
3274         * config/stormy16/stormy16.c: Include df.h for the prototype
3275         for df_regs_ever_live_p.
3276         (xstormy16_expand_builtin_va_start): Convert the stack offset
3277         into a component_ref and then use POINTER_PLUS_EXPR to add it
3278         to the incoming_virtual_args_rtx.
3279         (xstormy16_gimplify_va_arg_expr): Rename to
3280         xstormy16_gimplify_va_arg_expr.
3281         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
3282         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
3283         xstormy16_gimplify_va_arg_expr.
3284         Fix up some formatting issues.
3285
3286         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
3287         Move to predicates.md.
3288         (xs_hi_general_operand): Likewise.
3289         (xs_hi_nonmemory_operand): Likewise.
3290         * config/stormy16/predicates.md:
3291         (xstormy16_carry_plus_operand): New predicate.
3292         (xs_hi_general_operand): New predicate.
3293         (xs_hi_nonmemory_operand): New predicate.
3294         * config/stormy16/stormy16-protos.h:
3295         (xstormy16_carry_plus_operand): Delete prototype.
3296         (xs_hi_general_operand): Likewise.
3297         (xs_hi_nonmemory_operand): Likewise.
3298
3299         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
3300         modifiers as they are no longer needed and they can trigger
3301         reload spill failures.
3302
3303         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
3304         with a match_operand in order to help reload.
3305
3306         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
3307         constraint with 'e' for the 8th alternative as this version of
3308         the mov.w instruction only accepts the lower 8 registers.
3309
3310 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
3311
3312         PR target/34856
3313         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
3314         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
3315         vector elements.
3316
3317 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
3318
3319         PR middle-end/33333
3320         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
3321
3322 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
3323
3324         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
3325         New functions.
3326         (remove_structure): Update allocations list before removing structure.
3327         
3328 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
3329
3330         * ipa-struct-reorg.c (is_safe_cond_expr, 
3331         create_new_stmts_for_cond_expr): Use integer_zerop function,
3332         that recognize not only zero-pointer, but zero-integer too.
3333
3334 2008-01-25  Ben Elliston  <bje@au.ibm.com>
3335
3336         PR other/22232
3337         * fixproto: Escape "." in sed expression that strips leading "./".
3338
3339 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
3340
3341         PR driver/34904
3342         * gcc.c (SWITCH_OK): Removed.
3343         (SWITCH_LIVE): Changed to bit.
3344         (SWITCH_FALSE): Likewise.
3345         (SWITCH_IGNORE): Likewise.
3346         (switchstr): Change live_cond to unsigned int.
3347         (process_command): Replace SWITCH_OK with 0.
3348         (do_self_spec): Likewise.
3349         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
3350         (give_switch): Likewise.
3351         (used_arg): Likewise.
3352         (do_spec_1): Set the SWITCH_IGNORE bit.
3353         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
3354         bits.  Set the SWITCH_LIVE bit.
3355
3356 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3357
3358         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
3359
3360 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
3361
3362         PR tree-optimization/34472
3363         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
3364         parameter to a "bool *" and set *DATA to false if there is
3365         an unsafe access.  Do not delete the structure here.
3366         (check_cond_exprs): Delete it here instead.
3367         (check_cond_exprs, exclude_cold_structs): Do not increase
3368         I when removing a structure.
3369
3370 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
3371
3372         PR target/34856
3373         * config/i386/i386.c (ix86_expand_vector_init): Consider only
3374         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
3375
3376 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
3377
3378         PR middle-end/34934
3379         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
3380         a fixed vector for stack.
3381
3382 2008-01-24  Ben Elliston  <bje@au.ibm.com>
3383
3384         PR c++/25701
3385         * doc/gcc.texi (Software development): Add a direntry for g++.
3386         
3387 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
3388
3389         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
3390         stale and straggling -fforce-addr comments above.
3391
3392         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
3393         define.
3394         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
3395         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
3396
3397 2008-01-23  Michael Matz  <matz@suse.de>
3398
3399         PR debug/34895
3400         * dwarf2out.c (force_type_die): Use modified_type_die instead of
3401         gen_type_die.
3402
3403 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
3404
3405         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
3406         malloc result type.
3407
3408 2008-01-23 Anatoly Sokolov <aesok@post.ru>
3409
3410         * config/avr/avr.c (avr_current_arch): New variable.
3411         (avr_arch_types): Add 'avr31' and 'avr51' entries.
3412         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
3413         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
3414         (avr_override_options): Init 'avr_current_arch'. 
3415         (base_arch_s): Move from here...
3416         * config/avr/avr.h (base_arch_s): ... here. Add new members 
3417         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename 
3418         'mega' to 'have_jmp_call'.
3419         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__", 
3420         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
3421         macros.
3422         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51' 
3423         architectures.
3424         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, 
3425         MULTILIB_MATCHES): (Ditto.).
3426
3427 2008-01-23  Richard Guenther  <rguenther@suse.de>
3428
3429         PR middle-end/31529
3430         * cgraphunit.c (cgraph_reset_node): Always mark the node
3431         not reachable if it is not queued already.
3432
3433 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
3434
3435         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
3436         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
3437         (cputype_selected): New static variable.
3438         (bfin_handle_option): Set it if -mcpu is used.
3439         (override_option): Select default set of workarounds if no cpu type
3440         selected on the command line.
3441         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
3442
3443         From  Michael Frysinger  <michael.frysinger@analog.com>
3444         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
3445         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
3446
3447         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
3448         for bf547, bf523, bf524, and bf526.
3449         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
3450         bf526.
3451         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3452         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
3453         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
3454         __ADSPBF547__ and __ADSPBF54x__ for bf547.
3455         * doc/invoke.texi (Blackfin Options): Document that
3456         -mcpu now accept bf547, bf523, bf524, and bf526.
3457
3458 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
3459
3460         PR rtl-optimization/34628
3461         * combine.c (try_combine): Stop and undo after the first combination
3462         if an autoincrement side-effect on the first insn has effectively
3463         been lost.
3464
3465 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
3466
3467         PR target/34529
3468         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
3469         Offset addresses are not valid for Altivec or paired float modes.
3470
3471 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
3472
3473         PR c++/34607
3474         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
3475         if DECL_INITIAL (decl) is error_mark_node.
3476
3477         PR c++/34914
3478         * c-common.c (handle_vector_size_attribute): Only allow
3479         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
3480         the same way as pointer, array etc. types.
3481         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
3482
3483         PR c++/34917
3484         * tree.c (build_type_attribute_qual_variant): Call
3485         build_qualified_type if attributes are equal, but quals are not.
3486
3487 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3488
3489         PR 32102
3490         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
3491         * flags.h (warn_strict_aliasing): Remove.
3492         (warn_strict_overflow): Remove.
3493         * opts.c (warn_strict_aliasing): Remove.
3494         (warn_strict_overflow): Remove.
3495         * c-opts.c (c_common_handle_option): -Wall only sets
3496         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
3497         (c_common_post_options): Give default values to -Wstrict-aliasing
3498         and -Wstrict-overflow if they are uninitialized.
3499         * common.opt (Wstrict-aliasing): Specify Var and Init.
3500         (Wstrict-overflow): Likewise.
3501
3502 2008-01-22  Kenneth Zadeck <zadeck@naturalbridge.com>
3503
3504         PR rtl-optimization/26854
3505         PR rtl-optimization/34400
3506         PR rtl-optimization/34884
3507         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
3508         DF_RD->gen.
3509         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
3510         (df_rd_bb_info.expanded_lr_out): Deleted
3511         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
3512         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
3513         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
3514         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
3515         Removed code to allocate, initialize or free expanded_lr_out.
3516         (df_rd_bb_local_compute_process_def): Restructured to make more
3517         understandable.
3518         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
3519         sets if the sets are being trimmed.
3520
3521 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
3522
3523         PR bootstrap/32287
3524         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
3525         (as_vers): Likewise.
3526         * configure: Regenerated.
3527
3528 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3529
3530         PR middle-end/33092
3531         * tree-pass.h (pass_build_alias): New pass.
3532         * tree-ssa-alias.c (gate_build_alias): New.
3533         (pass_build_alias): New.
3534         * passes.c (init_optimization_passes): Add pass_build_alias after
3535         pass_create_structure_vars.
3536
3537 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
3538
3539         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
3540         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
3541         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
3542         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
3543         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
3544         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
3545         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
3546         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
3547         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
3548         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
3549         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
3550         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
3551         * config/s390/s390.md (FP_ALL): New mode iterator.
3552         (_d): New mode attribute.
3553         ("*signbit<mode>2>"): Changed mode of first operand.
3554         ("isinf<mode>2"): Changed mode of first operand.
3555         ("*TDC_insn"): Adaptation for DFP modes.
3556
3557 2008-01-22  Ben Elliston  <bje@au.ibm.com>
3558
3559         * tree.c (check_qualified_type): Improve function description.
3560
3561 2008-01-21  Jason Merrill  <jason@redhat.com>
3562
3563         PR c++/34196
3564         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
3565         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
3566         if it is set.
3567
3568 2008-01-21  DJ Delorie  <dj@redhat.com>
3569
3570         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
3571         return zero.
3572
3573 2008-01-21  Richard Guenther  <rguenther@suse.de>
3574
3575         PR middle-end/34856
3576         * tree-cfg.c (verify_expr): Allow all invariant expressions
3577         instead of just constant class ones as reference argument.
3578         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
3579         like any other constant.
3580         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
3581
3582 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
3583
3584         * regmove.c (fixup_match_1): Update call crossed frequencies.
3585
3586 2008-01-21  Richard Guenther  <rguenther@suse.de>
3587
3588         PR c/34885
3589         * tree-inline.c (setup_one_parameter): Deal with mismatched
3590         types using a VIEW_CONVERT_EXPR.
3591
3592 2008-01-21  Alon Dayan  <alond@il.ibm.com>
3593             Olga Golovanevsky  <olga@il.ibm.com>
3594         
3595         PR tree-optimization/34701
3596         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
3597         when the structure size is not a power of 2.
3598
3599 2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>
3600
3601         * doc/install.texi: Add doc for --enable-checking=df.
3602         
3603 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
3604
3605         PR rtl-optimization/34808
3606         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
3607
3608 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
3609
3610         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
3611         input.
3612
3613 2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
3614
3615         PR rtl-optimization/26854
3616         PR rtl-optimization/34400
3617         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
3618         DF_RD->gen.
3619         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
3620         (df_rd_bb_info.expanded_lr_out): New.
3621         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
3622         * loop_iv.c (iv_analysis_loop_init): Ditto.
3623         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
3624         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
3625         Added code to allocate, initialize or free expanded_lr_out.
3626         (df_rd_bb_local_compute_process_def): Restructured to make
3627         more understandable.
3628         (df_rd_confluence_n): Add code to do nothing with fake edges and
3629         code to no apply invalidate_by_call sets if the sets are being trimmed.
3630         (df_lr_local_finalize): Renamed to df_lr_finalize.
3631         (df_live_local_finalize): Renamed to df_live_finalize.
3632
3633 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
3634
3635         PR target/34831
3636         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
3637         deciding whether to use reciprocal instructions.
3638
3639 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
3640
3641         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
3642         dwarf2out_note_section_used if cold_text_section is NULL.
3643
3644 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
3645
3646         PR gcov-profile/34610
3647         * tree-cfg.c (make_edges): Mark both outgoing edges from
3648         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
3649         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
3650         from OMP_FOR and OMP_CONTINUE outgoing edges.
3651
3652         * tree-profile.c (tree_profiling): Return early if
3653         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
3654         at the end.
3655         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
3656         from cfun to child_cfun.
3657         * function.h (struct function): Add after_tree_profile bit.
3658
3659 2008-01-19 Anatoly Sokolov <aesok@post.ru>
3660
3661         * config/avr/avr.S (_exit): Disable interrupt.
3662
3663 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
3664             Steven Bosscher  <stevenb.gcc@gmail.com>
3665
3666         PR rtl-optimization/26854
3667         PR rtl-optimization/34400
3668         * df-problems.c (df_live_scratch): New scratch bitmap.
3669         (df_live_alloc): Allocate df_live_scratch when doing df_live.
3670         (df_live_reset): Clear the proper bitmaps.
3671         (df_live_bb_local_compute): Only process the artificial defs once
3672         since the order is not important.
3673         (df_live_init): Init the df_live sets only with the variables
3674         found live by df_lr.
3675         (df_live_transfer_function): Use the df_lr sets to prune the
3676         df_live sets as they are being computed.  
3677         (df_live_free): Free df_live_scratch.
3678
3679 2008-01-18  Ian Lance Taylor  <iant@google.com>
3680
3681         * common.opt: Add fmerge-debug-strings.
3682         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
3683         flag_merge_debug_strings rather than flag_merge_constants.
3684         * doc/invoke.texi (Option Summary): Mention
3685         -fmerge-debug-strings.
3686         (Debugging Options): Document -fmerge-debug-strings.
3687
3688 2008-01-18  Ian Lance Taylor  <iant@google.com>
3689
3690         PR c++/33407
3691         * tree.h (DECL_IS_OPERATOR_NEW): Define.
3692         (struct tree_function_decl): Add new field operator_new_flag.
3693         * tree-inline.c (expand_call_inline): When inlining a call to
3694         operator new, force the return value to go into a variable, and
3695         set DECL_NO_TBAA_P on that variable.
3696         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
3697
3698 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
3699
3700         PR debug/34484
3701         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
3702         DWARF2_DEBUGGING_INFO.
3703         (dwarf2out_note_section_used): Ditto.  Add prototype.
3704         (have_multiple_function_sections, text_section_used,
3705         cold_text_section_used, *cold_text_sections): Move declarations
3706         before their uses.
3707
3708 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
3709
3710         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
3711         field and add signal_ra.
3712         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
3713         assignments to frame state pc.  Move end of stack check after
3714         MD_FALLBACK_FRAME_STATE_FOR.
3715         (uw_update_context_1): Use frame state signal_regs if set, instead
3716         of checking signal_frame flag.
3717         (uw_update_context): Use frame state signal_ra if set.
3718         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
3719         * config/xtensa/linux-unwind.h: New file.
3720
3721 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
3722
3723         * modulo-sched.c (get_sched_window): Fix comment typo.
3724
3725 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
3726
3727         PR tree-optimization/34648
3728         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
3729
3730 2008-01-17  Anatoly Sokolov <aesok@post.ru>
3731
3732         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
3733         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
3734
3735 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
3736
3737         PR rtl-optimization/34400
3738         * df-core.c (df_worklist_dataflow_overeager,
3739         df_worklist_dataflow_doublequeue): New functions.
3740         (df_worklist_dataflow): Two different worklist solvers.
3741         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
3742         New param.
3743
3744 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3745
3746         PR testsuite/34821
3747         * doc/invoke.texi: Document the dependence on pthread for fopenmp
3748         and ftree-parallelize-loops.
3749
3750 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
3751
3752         PR rtl-optimization/34826
3753         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
3754
3755 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
3756
3757         * global.c (find_reg): Mark the eh regs as used if necessary.
3758         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
3759         * ra.h (struct allocno): no_eh_reg field added.  Changed
3760         no_stack_reg type to bitfield.
3761
3762 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
3763
3764         * tree.c (substitute_in_expr): Add missing 'break'.
3765
3766 2008-01-17  Richard Guenther  <rguenther@suse.de>
3767
3768         PR tree-optimization/34825
3769         * tree-ssa-math-opts.c (is_division_by): Do not recognize
3770         x / x as division to handle.
3771
3772 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3773
3774         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
3775         "-pthread" is specified.
3776         * pa-hpux11.h (LIB_SPEC): Likewise.
3777
3778 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
3779             Peter Bergner  <bergner@vnet.ibm.com>
3780
3781         PR rtl-optimization/33796
3782         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
3783
3784 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3785
3786         PR libgfortran/34699
3787         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
3788         static links.
3789         * pa-hpux10.h (LINK_SPEC): Likewise.
3790         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
3791
3792 2008-01-16  Richard Guenther  <rguenther@suse.de>
3793
3794         PR middle-end/32628
3795         * fold-const.c (fold_convert_const_int_from_int): Do not
3796         set overflow if that occured only because of a sign extension
3797         change when converting from/to a sizetype with the same
3798         precision and signedness.
3799
3800 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
3801
3802         PR debug/34249
3803         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
3804         location address to the correct place.  Update copyright year.
3805
3806 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3807
3808         * lambda-code.c (lambda_transform_legal_p): Handle the case of
3809         no dependences in the dependence_relations vector.
3810
3811 2008-01-16  Jan Hubicka  <jh@suse.cz>
3812
3813         PR rtl-optimization/31396
3814         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
3815         * cfg.c (dump_reg_info): Print it.
3816         * regs.h (struct reg_info_t): add freq_calls_crossed.
3817         (REG_FREQ_CALLS_CROSSED): New macro.
3818         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
3819         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
3820         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
3821         regmove_optimize): Update call crossed frequencies.
3822         * local-alloc.c (struct qty): Add freq_calls_crossed.
3823         (alloc_qty): Copute freq_calls_crossed.
3824         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
3825         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
3826         * ra.h (struct allocno): Add freq_calls_crossed.
3827
3828 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3829
3830         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
3831         libgomp when compiling with ftree-parallelize-loops.
3832         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
3833
3834 2008-01-16  Richard Guenther  <rguenther@suse.de>
3835
3836         PR tree-optimization/34769
3837         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
3838         * tree.c (int_cst_value): Instead make this function more
3839         permissive in what it accepts as valid input.  Document this
3840         function always sign-extends the value.
3841
3842 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
3843             Richard Guenther  <rguenther@suse.de>
3844
3845         PR c/34668
3846         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
3847         (gimple_fold_indirect_ref_rhs): ... this.
3848         (gimple_fold_indirect_ref): New function with foldings
3849         that preserve lvalueness.
3850         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
3851         * tree-flow.h (gimple_fold_indirect_ref): Declare.
3852         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
3853         to fold an INDIRECT_REF, fall back to the old use of
3854         fold_indirect_ref_1.
3855
3856 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3857
3858         * tree-data-ref.c (subscript_dependence_tester_1): Call 
3859         free_conflict_function.
3860         (compute_self_dependence): Same.
3861
3862 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
3863
3864         PR debug/34249
3865         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
3866         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
3867         function global.
3868         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
3869         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
3870         for DWARF2_UNWIND_INFO targets.
3871
3872 2008-01-16  Richard Guenther  <rguenther@suse.de>
3873
3874         PR c/34768
3875         * c-typeck.c (common_pointer_type): Do not merge inconsistent
3876         type qualifiers for function types.
3877
3878 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
3879
3880         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
3881         loop_iterator li from previous commit.
3882
3883 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3884
3885         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
3886
3887 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
3888
3889         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
3890         (parallelize_loops): Don't parallelize irreducible components.
3891
3892 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3893
3894         PR c++/24924
3895         * c-opts (c_common_post_options): Do not enable CPP
3896         flag_pedantic_errors by default.
3897         
3898 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
3899
3900         PR rtl-optimization/31944
3901         * cse.c (remove_pseudo_from_table): New function.
3902         (merge_equiv_classes): Use above function to remove pseudo-registers.
3903         (invalidate): Likewise.
3904
3905 2008-01-13  Richard Guenther  <rguenther@suse.de>
3906
3907         PR middle-end/34601
3908         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
3909         instead of TYPE_MODE to deal with calls from expand_one_error_var.
3910
3911 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
3912
3913         * gcse.c (cprop_jump): Call validate_unshare_change instead of
3914         validate_change to unshare the source of the PC set.
3915
3916 2008-01-12  Jan Hubicka  <jh@suse.cz>
3917
3918         PR middle-end/32135
3919         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
3920         references above array bounds.  This might trigger bounds checks for
3921         pointers to arrays.
3922
3923 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
3924
3925         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
3926         new_replaceable_dependencies.
3927
3928 2008-01-12  Doug Kwan  <dougkwan@google.com>
3929
3930         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
3931         instead of OPT_Wreturn_type in warning due to ignored return type
3932         qualifiers.
3933         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
3934         options included in -Wextra.
3935         * c.opt: New option -Wignored_qualifiers.
3936         * doc/invoke.texi (Warning Options, -Wextra): Add new option
3937         -Wignore_qualifiers.
3938         (-Wignored-qualifiers): Document.
3939         (-Wreturn-type): Remove description of functionality now handled
3940         by -Wignored-qualifiers.
3941
3942 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
3943
3944         PR ada/33788
3945         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
3946         NOP_EXPR if it is between integral types with the same precision.
3947
3948 2008-01-12  Jan Hubicka  <jh@suse.cz>
3949
3950         PR other/28023
3951         * invoke.texi (max-inline-recursive-depth): Fix default value.
3952
3953 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
3954
3955         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
3956         correct type.
3957
3958 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
3959         
3960         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
3961         
3962 2008-01-11  James E. Wilson  <wilson@specifix.com>
3963
3964         PR target/26015
3965         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
3966
3967 2008-01-11  Anatoly Sokolov <aesok@post.ru>
3968
3969         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't 
3970         save/restore frame pointer register and don't use 'call-prologues' 
3971         optimization in function with "OS_task" attribute.
3972
3973 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3974
3975         PR middle-end/31309
3976         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
3977         when copying to memory.
3978
3979 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
3980
3981         PR rtl-optimization/30905
3982         * cfgcleanup.c: Include dce.h
3983         (crossjumps_occured): New global variable.
3984         (try_crossjump_bb): Exit loop after finding a fallthru edge.
3985         If something changed, set crossjumps_occured to true.
3986         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
3987         Don't add/remove fake edges to exit here...
3988         (cleanup_cfg): ...but do it here, when crossjumping.
3989         Run a fast DCE when successful crossjumps occured in the latest
3990         iteration of try_optimize_cfg.
3991
3992 2008-01-11  Richard Guenther  <rguenther@suse.de>
3993
3994         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
3995         (struct vn_unary_op_s): Likewise.
3996         (vn_reference_insert): Free old reference on hash collision.
3997
3998 2008-01-10  Raksit Ashok  <raksit@google.com>
3999
4000         PR rtl-optimization/27971
4001         * combine.c (find_split_point): Split PLUS expressions which are
4002         inside a MEM rtx, and whose first operand is complex.
4003
4004 2008-01-10  DJ Delorie  <dj@redhat.com>
4005
4006         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
4007         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
4008         (m32c_hard_regno_ok): Call the underlying function.
4009
4010 2008-01-10  Richard Guenther  <rguenther@suse.de>
4011
4012         PR middle-end/34683
4013         * tree-cfg.c (tree_merge_blocks): Do not go through the
4014         full-blown folding and stmt updating path if we just deal
4015         with virtual operands.
4016         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
4017         test for abnormal SSA_NAMEs.
4018
4019 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
4020
4021         PR middle-end/34641
4022         * reload.c (push_reload): Add assertions.  All constants from
4023         reg_equiv_constant should have been used for replacing the respective
4024         pseudo earlier.
4025         (find_reloads_address): Invoke find_reloads_address_part for
4026         constant taken from the reg_equiv_constant array.
4027
4028 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
4029
4030         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
4031         field (valnum) the first in the struct.  Replace bools with
4032         unit bit fields.
4033
4034 2008-01-10  Richard Guenther  <rguenther@suse.de>
4035
4036         PR tree-optimization/34651
4037         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
4038         types and ordering for masking and converting.
4039
4040 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
4041
4042         PR tree-optimization/34017
4043         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
4044         also for PHI_NODE expressions.
4045
4046 2008-01-09  Jan Hubicka  <jh@suse.cz>
4047
4048         PR tree-optimization/34708
4049         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
4050         based on number of case labels.
4051         (init_inline_once): Remove switch_cost.
4052         * tree-inline.h (eni_weights_d): Remove switch_cost.
4053
4054 2008-01-09  Richard Guenther  <rguenther@suse.de>
4055         Andrew Pinski  <andrew_pinski@playstation.sony.com>
4056
4057         PR middle-end/30132
4058         * gimplify.c (gimplify_cond_expr): Do not create an addressable
4059         temporary if an rvalue is ok or an lvalue is not required.
4060
4061 2008-01-09  Richard Guenther  <rguenther@suse.de>
4062
4063         PR middle-end/34458
4064         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
4065         adjust return type.
4066
4067 2008-01-09  Richard Guenther  <rguenther@suse.de>
4068
4069         PR middle-end/34679
4070         * tree.c (host_integerp): Check for sizetype only if the
4071         type is an integer type.
4072
4073 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
4074
4075         PR debug/26364
4076         * opts.c (decode_options): Disable inlining of functions called
4077         once if not in unit-at-a-time mode.
4078
4079 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
4080
4081         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
4082
4083 2008-01-08  Richard Guenther  <rguenther@suse.de>
4084
4085         PR middle-end/31863
4086         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
4087         out early if the result will be unused.
4088
4089 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
4090
4091         PR target/34709
4092         Revert:
4093
4094         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
4095         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
4096         for TARGET_RECIP.       
4097         
4098 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
4099         
4100         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
4101         for vectorization tuned.
4102         
4103 2008-01-08  Richard Guenther  <rguenther@suse.de>
4104
4105         PR tree-optimization/34683
4106         * tree-ssa-operands.c (operand_build_cmp): Export.
4107         * tree-ssa-operands.h (operand_build_cmp): Declare.
4108         * tree-vn.c (vuses_compare): Remove.
4109         (sort_vuses): Use operand_build_cmp.
4110         (sort_vuses_heap): Likewise.
4111         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
4112         to re-use old VEC if available.  Do not sort already sorted VUSEs.
4113         (vdefs_to_vec): Do not sort already sorted VDEFs.
4114
4115 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
4116
4117         PR middle-end/34694
4118         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
4119
4120 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
4121
4122         PR target/34702
4123         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
4124         limitations of reciprocal sequences on x86 targets.
4125
4126 2008-01-08  Richard Guenther  <rguenther@suse.de>
4127
4128         PR tree-optimization/34683
4129         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
4130
4131 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
4132
4133         PR target/34622
4134         * config/darwin.c (darwin_mergeable_string_section): Don't use
4135         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
4136
4137 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
4138
4139         PR target/34682
4140         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
4141         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
4142         predicates of op0 and op1 to register_operand.
4143         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
4144         expander using X87MODEF mode iterator.  Change predicates of
4145         op0 and op1 to register_operand.
4146         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
4147         corresponding patterns and macroize using MODEF macro.  Change
4148         predicates of op0 and op1 to register_operand and remove
4149         "m" constraint. Disparage "r" alternative with "!".
4150         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
4151         macroize using X87MODEF macro.  Change predicates of op0 and op1
4152         to register_operand and remove "m" constraint.  Disparage "r"
4153         alternative with "!".
4154         (absneg splitter with memory operands): Remove.
4155         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
4156         patterns and macroize using X87MODEF mode iterator.
4157         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
4158         Change predicate of op1 to register_operand.
4159         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
4160         for memory operands.
4161
4162 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
4163
4164         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
4165
4166 2008-01-07  Richard Guenther  <rguenther@suse.de>
4167
4168         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
4169         fields.
4170
4171 2008-01-07  Richard Guenther  <rguenther@suse.de>
4172
4173         PR tree-optimization/34683
4174         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
4175         VOPs of the needed size to save memory.  Use VEC_quick_push
4176         to save compile-time.
4177         (vdefs_to_vec): Likewise.
4178
4179 2008-01-07  Sa Liu  <saliu@de.ibm.com>
4180
4181         * config/spu/spu.md (divdf3): Genetate inline code for double
4182         division.  The implementation doesn't handle INF or NAN, therefore it
4183         only applies when -ffinite-math-only is given.
4184
4185 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
4186
4187         PR libstdc++/34680
4188         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
4189         * doc/cpp.texi ([Common Predefined Macros]): Document.
4190
4191 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
4192
4193         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
4194         order to use commutative addition instead of subtraction.
4195
4196 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4197             Mircea Namolaru  <namolaru@il.ibm.com>
4198             Vladimir Yanovsky  <yanov@il.ibm.com>
4199             Revital Eres  <eres@il.ibm.com>
4200
4201         PR tree-optimization/34263
4202         * tree-outof-ssa.c (process_single_block_loop_latch,
4203         contains_tree_r): New functions.
4204         (analyze_edges_for_bb): Call process_single_block_loop_latch
4205         function to empty single-basic-block latch block if possible.
4206
4207 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
4208
4209         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
4210         for TARGET_RECIP.
4211         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
4212
4213 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
4214
4215         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
4216
4217 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
4218
4219         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
4220
4221 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
4222
4223         PR tree-optimization/34618
4224         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
4225         flag from T.
4226
4227 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
4228
4229         PR target/34673
4230         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
4231         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
4232         Update copyright year.
4233
4234         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
4235         Update copyright year.
4236         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
4237         using NR fixup.
4238
4239 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
4240
4241         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
4242         edge does not point to current bb before changing need_assert.
4243
4244 2008-01-04  Richard Guenther  <rguenther@suse.de>
4245
4246         PR middle-end/34029
4247         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
4248         for verifying purposes if they are is_gimple_min_invariant.
4249
4250 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
4251
4252         PR tree-optimization/34448
4253         PR tree-optimization/34465
4254         * gimplify.c (gimplify_init_constructor): Add new parameter
4255         notify_temp_creation.  Use it.
4256         (gimplify_modify_expr_rhs): Take volatiles into account when
4257         optimizing constructors.
4258         Do not optimize constructors if gimplify_init_constructor will dump to
4259         memory.
4260         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
4261         * gcc.c-torture/compile/pr34448.c: New.
4262
4263 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
4264
4265         PR gcov-profile/34609
4266         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
4267         return_slot if result is TREE_ADDRESSABLE.
4268
4269 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
4270
4271         * config/mips/mips.md (sqrt_condition): Tweak comment.
4272         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
4273
4274 2008-01-03  Tom Tromey  <tromey@redhat.com>
4275
4276         PR c/34457
4277         * c-common.c (c_type_hash): Handle VLAs.
4278
4279 2008-01-03  Jan Hubicka  <jh@suse.cz>
4280
4281         PR tree-optimization/31081
4282         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
4283         0 when inlining and not inlining to first basic block.
4284         (remap_decl): When var is initialized to 0, don't set default_def.
4285         (expand_call_inline): Set entry_bb.
4286         * tree-inline.h (copy_body_data): Add entry_bb.
4287
4288 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
4289
4290         PR c++/34619
4291         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
4292         before returning.
4293
4294         PR tree-optimization/29484
4295         * tree-inline.c (inline_forbidden_p_2): New function.
4296         (inline_forbidden_p): Disallow inlining if some static var
4297         has an address of a local LABEL_DECL in its initializer.
4298         * doc/extend.texi (Labels as Values): Document &&foo behaviour
4299         vs. inlining.
4300
4301 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
4302
4303         PR tree-optimization/34635
4304         * tree-data-ref.c (add_other_self_distances): Make sure that the
4305         evolution step is constant.
4306
4307 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
4308
4309         PR middle-end/34608
4310         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
4311
4312 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
4313
4314         * tree-sra.c (scalarize_init): Insert the generate_element_init
4315         statements after the generate_element_zero statements.
4316
4317 2008-01-02  Richard Guenther  <rguenther@suse.de>
4318
4319         PR middle-end/34093
4320         PR middle-end/31976
4321         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
4322         for very large number of operands instead of ICEing.
4323
4324 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
4325
4326         PR target/34013
4327         * config/i386/i386.c (ix86_expand_prologue): Save red-zone
4328         while stack probing.
4329
4330 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
4331
4332         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
4333         in C++0x mode.
4334
4335 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
4336
4337         PR libmudflap/26442
4338         * tree-mudflap.c (mx_register_decls): Guard warning by
4339         !DECL_ARTIFICIAL check.
4340
4341 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
4342
4343         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
4344         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
4345         sse5_perm<mode>): Fix constraints.