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