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1 2007-03-09  Sa Liu  <saliu@de.ibm.com>
2
3         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
4
5 2007-03-09  Ian Lance Taylor  <iant@google.com>
6
7         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
8         argument) like -Wstrict-overflow=2.
9         * doc/invoke.texi (Warning Options): Update documentation.
10
11 2007-03-09  Dirk Mueller  <dmueller@suse.de>
12
13         PR c++/17946
14         * doc/invoke.texi (-Wlogical-op): Document.
15         * common.opt (-Wlogical-op): New.
16         * c-common.h (warn_logical_operator): Declare.
17         * c-common.c (warn_logical_operator): Define.
18         * c-typeck.c (parser_build_binary_op): Call
19         warn_logical_operator.
20
21 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
22
23         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
24         * final.c (final_scan_insn): Test for non-"" file name.
25
26 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
27
28         * doc/loop.texi: Document the Omega linear constraints solver.
29         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
30         omega-max-geqs, omega-max-eqs, omega-max-wild-cards, 
31         omega-hash-table-size, omega-max-keys, and 
32         omega-eliminate-redundant-constraints.
33         * tree-pass.h (pass_check_data_deps): Declared.
34         * omega.c: New.
35         * omega.h: New.
36         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
37         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps, 
38         pass_check_data_deps): New.
39         * tree-data-ref.c (init_data_ref): Remove declaration.
40         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
41         (analyze_array): Renamed init_array_ref, move up initializations.
42         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
43         Removed arguments that are set to NULL.
44         (analyze_indirect_ref): Correct indentation, correct call to 
45         init_pointer_ref.
46         (object_analysis): Call init_array_ref instead of analyze_array.
47         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
48         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
49         of DR_ACCESS_FNS_ADDR.
50         (init_omega_eq_with_af, omega_extract_distance_vectors, 
51         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
52         ddr_consistent_p): New.
53         (compute_affine_dependence): Check consistency of ddrs when 
54         flag_check_data_deps is passed.
55         (analyze_all_data_dependences): Uncomment.
56         (tree_check_data_deps): New.
57         * tree-data-ref.h: Include omega.h.
58         (DR_ACCESS_FNS_ADDR): Removed.
59         (data_dependence_relation): Add inner_loop.
60         (DDR_INNER_LOOP): New.
61         * common.opt (fcheck-data-deps): New.
62         * tree-flow.h (tree_check_data_deps): Declare.
63         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
64         (OBJS-common): Depend on omega.o.
65         (omega.o): Define.
66         * passes.c (pass_check_data_deps): Scheduled.
67         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS, 
68         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
69         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
70         PARAM_VECT_MAX_VERSION_CHECKS,
71         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
72
73 2007-03-09  Richard Guenther  <rguenther@suse.de>
74
75         PR tree-optimization/30904
76         PR middle-end/31058
77         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
78         the same way as *_DIV_EXPR.
79
80 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
81
82         * recog.c (decode_asm_operands): No mixed declarations and code.
83
84 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
85
86         * rtl.def (ASM_INPUT): Add location.
87         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
88         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
89         (decode_asm_operands): Add loc operand.
90         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
91         * stmt.c (expand_asm): Rename to...
92         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
93         gen_rtx_ASM_INPUT_loc.
94         (expand_asm_expr): Adjust.
95         * recog.c (decode_asm_operands): Add loc operand.
96         (check_asm_operands, extract_insn): Adjust.
97         * reload1.c (maybe_fix_stack_asms): Likewise.
98         * final.c (asm_insn_count): Likewise.
99         (final_scan_insn): Output # line before and after asm.
100
101 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
102
103         * tree-ssa-structalias.c (variable_info): Remove
104         finished_solution.
105         (new_var_info): Ditto.
106         (shared_bitmap_info_t): New structure.
107         (shared_bitmap_table): New variable.
108         (shared_bitmap_hash): New function.
109         (shared_bitmap_eq): Ditto
110         (shared_bitmap_lookup): Ditto.
111         (shared_bitmap_add): Ditto.
112         (merge_smts_into): Change to take bitmap directly.
113         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
114         (init_alias_vars): Init shared bitmap hashtable.
115         (delete_points_to_sets): Delete shared bitmap hashtable.
116         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
117         is_aliased removal as a change that was still necessary was
118         deleted.
119
120 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
121
122         * config/i386/i386.h (override_options): Conditionally disable
123         x86_sahf for 64bit targets only.
124
125 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
126
127         PR C/31072
128         * c-decl.c (merge_decls): Don't call make_var_volatile.
129         * varasm.c (make_var_volatile): Remove.
130         * output.h (make_var_volatile): Remove.
131
132 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
133
134         PR tree-optimization/31085
135         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
136
137 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
138
139         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
140         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
141         ATTR_CONST_NOTHROW_LIST.
142         
143         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
144         FIX_TRUNC_EXPR.
145
146 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
147
148         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
149
150 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
151
152         PR 31013
153         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
154         is declared.
155         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
156         passed, use shared libgcc.
157
158 2007-03-08  Roger Sayle  <roger@eyesopen.com>
159
160         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
161         instead of calling build2 with a GIMPLE_MODIFY_STMT.
162         (honor_protect_cleanup_actions, lower_try_finally_switch):
163         Likewise.
164         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
165         ifc_temp_var): Likewise.
166         * tree-inline.c (setup_one_parameter): Likewise.
167         * tree-mudflap.c (mf_decl_cache_locals,
168         mf_build_check_statement_for): Likewise.
169         * tree-nested.c (init_tmp_var, save_tmp_var,
170         finalize_nesting_tree_1): Likewise.
171         * tree-outof-ssa.c (insert_copy_on_edge,
172         insert_backedge_copies): Likewise.
173         * tree-profile.c (tree_gen_edge_profiler,
174         tree_gen_ic_profiler): Likewise.
175         * tree-scalar-evolution.c (scev_const_prop): Likewise.
176         * tree-sra.c (sra_build_assignment): Likewise.
177         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
178         * tree-ssa-math-opts.c (insert_reciprocals,
179         execute_cse_sincos_1): Likewise.
180         * tree-tailcall.c (adjust_accumulator_values,
181         adjust_return_value): Likewise.
182         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
183         * tree-vect-transform.c (vect_create_data_ref_ptr,
184         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
185         vect_create_epilog_for_reduction, vectorizable_reduction,
186         vectorizable_call, vectorizable_conversion,
187         vectorizable_assignment, vectorizable_operation,
188         vectorizable_type_demotion, vect_gen_widened_results_half,
189         vect_permute_store_chain, vectorizable_store,
190         vect_setup_realignment, vect_permute_load_chain,
191         vectorizable_load, vectorizable_condition,
192         vect_create_cond_for_align_checks): Likewise.
193         * tree-vrp.c (build_assert_expr_for): Likewise.
194
195 2007-03-08  Ian Lance Taylor  <iant@google.com>
196
197         * tree-vrp.c: Include "intl.h".
198         (usable_range_p): New static function.
199         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
200         overflowed values, juts set *strict_overflow_p.
201         (compare_values): Only return -2 if one of the operands is not a
202         constant.
203         (compare_ranges): Call usable_range_p.
204         (compare_range_with_value): Likewise.
205         (vrp_evaluate_conditional_warnv): Rename from
206         vrp_evaluate_conditional.  Make static.  Change all callers.
207         (vrp_evaluate_conditional): New function.
208         (simplify_div_or_mod_using_ranges): Issue warning about reliance
209         on signed overflow.
210         (simplify_abs_using_ranges): Likewise.
211         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
212         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
213         within_stmt parameter.
214         * tree-ssa-propagate.c (fold_predicate_in): Update call to
215         vrp_evaluate_conditional.
216         * tree-ssa-threadedge.c
217         (record_temporary_equivalences_from_stmts_at_dest): Change
218         simplify parameter to take a second tree parameter.
219         (simplify_control_stmt_condition): Likewise.
220         (thread_across_edge): Likewise.
221         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
222         (thread_across_edge): Likewise.
223         * gcc/Makefile.in (tree-vrp.o): Depend upon intl.h.
224
225 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
226
227         * config/i386/i386.h (TARGET_SAHF): New define.
228         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
229         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
230         (x86_sahf): New global variable.
231         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
232         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
233         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
234         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
235         for 64-bit.
236         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
237         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
238         when expanding fcomi/sahf based tests.
239         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
240         expanding sahf based alternative. Emit sahf based sequence when
241         optimizing for code size.
242         * config/i386/i386.md (x86_sahf_1): Do not disable for
243         TARGET_64BIT, enable for TARGET_SAHF. 
244
245 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
246
247         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
248         spurious whitespace from error message.
249
250 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
251
252         PR c++/30852
253         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
254
255 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
256
257         * c-decl.c (grokdeclarator): Disable warnings for anonymous
258         bitfields.
259         * tree-sra.c (instantiate_element): Propagate disabled warnings
260         from the element itself to the created variable.
261
262 2007-03-07  Richard Henderson  <rth@redhat.com>
263
264         PR target/30848
265         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
266         silently fix up the stack in the case of a missing register.
267
268 2007-03-07  Paul Brook  <paul@codesourcery.com>
269
270         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
271
272 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
273
274         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
275         New.
276         (phase1_vrs): Use them.
277         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
278         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
279         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
280         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
281         __gnu_Unwind_Restore_WMMXC if required.
282         (_Unwind_VRS_Pop): Implement iWMMXt support.
283         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
284         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
285         gnu_Unwind_Save_WMMXC): Define.
286
287 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
288
289         * config/vxworks.h (vxworks_override_options): Declare.
290         (VXWORKS_OVERRIDE_OPTIONS): Use it.
291         * config/vxworks.c: Include target.h and toplev.h.
292         (vxworks_override_options): New function.
293         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
294
295 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
296
297         * config/s390/s390.c (override_options): Don't emit an error when
298         -mstack-size is used without providing -mstack-guard.
299         (s390_emit_prologue): Choose stack_guard value automatically if not
300         provided via command line.
301         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
302
303 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
304
305         * config/i386/i386.c (output_set_got): Add a GOT initialization
306         sequence for VxWorks PIC.
307         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
308         around labels as well as symbols.  Use gotoff_operand instead
309         of local_symbolic_operand.
310         (legitimize_pic_address): Use gotoff_operand instead of
311         local_symbolic_operand.  Use @GOT accesses for labels as
312         well as symbols.
313         (ix86_output_addr_diff_elt): Use PC-relative rather than
314         GP-relative offsets for VxWorks PIC.
315         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
316         no_new_pseudos.  Check whether the returned register is op0.
317         * config/i386/i386.md (tablejump): Use PC-relative rather than
318         GP-relative offsets for VxWorks PIC.
319         * config/i386/predicates.md (gotoff_operand): New predicate.
320
321 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
322
323         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
324         before defining.
325         * config/vxworks-dummy.h: New file.
326         * config/i386/i386.h: Include it.
327
328 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
329
330         * dwarf2out.c (is_inlined_entry_point): New
331         (add_high_low_attributes): Emit DW_AT_entry_pc along with
332         DW_AT_ranges if the first subblock is the entry point.
333
334 2007-03-06  David Daney  <ddaney@avtrex.com>
335
336         * doc/install.texi (mips-*-*): Change recommended binutils
337         version.
338
339 2007-03-06  Anatoly Sokolov <aesok@post.ru>
340
341         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
342         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162 
343         devices.
344         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
345         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
346
347 2007-03-06  Jan Hubicka  <jh@suse.cz>
348
349         * errors.h (warning, error, fatal, internal_error): Mark as cold.
350         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
351         are hot.
352         (probably_cold_bb_p): Cold functions are cold.
353         (probably_never_executed_bb_p): Cold functions are cold.
354         (tree_bb_level_predictions): Predict calls to cold functions as not
355         taken.
356         (compute_function_frequency): Check hot/cold attributes.
357         * function.h (function_frequency): Update comments.
358         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
359         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
360         (c_common_att): Add cold and hot.
361
362         * doc/extend.texi (hot,cold attributes): Document.
363
364 2007-03-06  Andrew Haley  <aph@redhat.com>
365
366         * function.c (expand_function_end): Move blockage to just after we
367         emit the label for the naked return from the function.
368
369 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
370
371         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
372         before redefining.
373
374 2007-03-06  Jan Hubicka  <jh@suse.cz>
375
376         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
377         loaded for constant large models.  Non-large 64bit PIC can do.
378         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
379         * cmodel.h: Add LARGE PIC.
380         * i386.md (UNSPEC_PLTOFF): New.
381         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
382         needed.
383         (*call_1_rex64): Disable for large models.
384         (*call_1_rex64_large): New.
385         (*call_value_1_rex64): Disable for large models.
386         (*call_value_1_rex64_large): New.
387         (set_rip_rex4): New.
388         (set_got_offset_rex64): New.
389         * predicates.md (constant_call_address_operand): For large model
390         constant calls are not possible.
391         * i386-protos.h (construct_plt_address): Declare.
392         * i386.c (override_options): Accept large models.
393         (ix86_expand_prologue): Expand large PIC GOT pointer load.
394         (legitimate_constant_p): Add new UNSPECs.
395         (legitimate_pic_operand_p): Likewise.
396         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
397         (legitimize_pic_address): Do easy RIP relative way for TLS only for
398         non-large model.
399         (output_pic_addr_const): Add PLTOFF.
400         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
401         (ix86_expand_move): Legitimize pic address when in PIC mode.
402         (construct_plt_address): New function.
403         (ix86_expand_call): Offload the address to register and use GOT pointer
404         for large model.
405         * invoke.texi (mcmodel=large): Update documentation.
406
407 2007-03-06  Richard Henderson  <rth@redhat.com>
408
409         * config/i386/i386.c (x86_use_leave, x86_push_memory,
410         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
411         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
412         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
413         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
414         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
415         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix, 
416         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
417         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
418         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves, 
419         x86_partial_reg_dependency, x86_memory_mismatch_stall, 
420         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
421         x86_sse_partial_reg_dependency, x86_sse_split_regs, 
422         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
423         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
424         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
425         x86_schedule, x86_use_bt, x86_pad_returns): Merge into ...
426         (ix86_tune_features): ... here.  New array.
427         (x86_cmove, x86_use_xchgb, x86_cmpxchg, x86_cmpxchg8b,  
428         x86_xadd, x86_bswap): Merge into ...
429         (ix86_arch_features): ... here.  New array.
430         (x86_3dnow_a): Remove.
431         (x86_accumulate_outgoing_args): Make static.
432         (x86_arch_always_fancy_math_387): Make static.
433         (ix86_tune_mask, ix86_arch_mask): Move ...
434         (override_options): ... to local variables here.  Apply the
435         appropriate mask to each element of ix86_arch_features and
436         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
437         as were done in the old macros.
438         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
439         * config/i386/i386.h (x86_use_leave, x86_push_memory,
440         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
441         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
442         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
443         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
444         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
445         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
446         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
447         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
448         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
449         x86_partial_reg_dependency, x86_memory_mismatch_stall,
450         x86_accumulate_outgoing_args, x86_prologue_using_move,
451         x86_epilogue_using_move, x86_decompose_lea,
452         x86_arch_always_fancy_math_387, x86_shift1,
453         x86_sse_partial_reg_dependency, x86_sse_split_regs,
454         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,        
455         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
456         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
457         x86_use_incdec, x86_pad_returns, x86_bswap,
458         x86_partial_flag_reg_stall): Remove.
459         (enum ix86_tune_indices): New.
460         (ix86_tune_features): New.
461         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
462         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
463         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
464         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
465         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
466         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
467         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
468         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
469         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
470         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
471         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
472         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
473         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
474         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
475         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
476         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
477         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
478         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
479         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
480         TARGET_EXT_80387_CONSTANTS): Use it.
481         (enum ix86_arch_indices): New.
482         (ix86_arch_features): New.
483         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
484         TARGET_BSWAP): Use it.
485         (ix86_tune_mask, ix86_arch_mask): Remove.
486
487 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
488
489         PR bootstrap/31020
490         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
491         Define using $${sysroot_headers_suffix}.
492         * configure: Regenerate.
493         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
494         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
495         defined.
496         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
497         * gcc.c (print_sysroot_headers_suffix): New.
498         (option_map): Include --print-sysroot-headers-suffix.
499         (display_help): Mention -print-sysroot-headers-suffix.
500         (process_command): Handle -print-sysroot-headers-suffix.
501         (do_spec_1): Append multilib directory to include-fixed path if
502         sysroot suffixes in use.
503         (main): Handle -print-sysroot-headers-suffix.
504         * Makefile.in (start.encap): Don't depend on xlimits.h
505         (xlimits.h): Remove.
506         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
507         limits.h for each multilib in fixinc_list.
508         (fixinc_list, s-fixinc_list): New.
509         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
510         generate them for each multilib in fixinc_list.
511         (stmp-fixproto): Use include-fixed.  Run fixproto for each
512         multilib in fixinc_list.
513         (mostlyclean): Don't remove xlimits.h.
514         (clean): Remove include-fixed.
515         (real-install-headers-tar, real-install-headers-cpio,
516         real-install-headers-cp): Don't copy include, only include-fixed.
517         (install-mkheaders): Depend on fixinc_list.  Don't depend on
518         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
519         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
520         SYSTEM_HEADER_DIR setting in mkheaders.conf.
521
522 2007-03-06  Jan Hubicka  <jh@suse.cz>
523
524         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
525         NANs easilly.
526
527 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
528
529         * configure.ac: Allow tm_file to contain build-directory files.
530         * configure: Regenerate.
531         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
532         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
533         * config/m68k/print-sysroot-suffix.sh: New file.
534
535 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
536
537         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
538         of pic_offset_table_rtx if reload_completed.
539         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
540         PIC_OFFSET_TABLE_REGNUM.
541         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
542         return true.
543         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
544         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
545
546 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
547
548         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
549         functions that call eh_return.
550
551 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
552
553         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
554         functions that need a constant pool.
555
556 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
557
558         PR target/28181
559         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
560         (m68k_preferred_reload_class): Likewise.
561         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
562         (SECONDARY_RELOAD_CLASS): Define.
563         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
564         (LIMIT_RELOAD_CLASS): Delete.
565         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
566         registers from storing bytes.
567         (m68k_secondary_reload_class): New function.
568         (m68k_preferred_reload_class): Likewise.
569
570 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
571
572         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
573         leaf functions.
574         (m68k_expand_prologue): Likewise.
575
576 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
577
578         * config/m68k/m68k-protos.h (output_sibcall): Declare.
579         (mips_expand_epilogue): Add a bool parameter.
580         (m68k_legitimize_sibcall_address): Declare.
581         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
582         (m68k_expand_epilogue): Add a parameter to select between sibling
583         and normal epilogues.  Only generate a return for the latter.
584         (m68k_ok_for_sibcall_p): New function.
585         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
586         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
587         (sibcall_value, *sibcall_value): Likewise.
588         (*call, *call_value): Require !SIBLING_CALL_P.
589         (epilogue): Update call to m68k_expand_epilogue.
590         (sibcall_epilogue): New pattern.
591         * config/m68k/predicates.md (const_call_operand): Say that this
592         predicate applies to sibling calls too.
593         (sibcall_operand): New predicate.
594
595 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
596
597         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
598         alternatives as movsi_cf.
599         (movsf_cf_hard): Add commentary.
600
601 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
602             Richard Sandiford  <richard@codesourcery.com>
603
604         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
605         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
606         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
607         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
608         as being live on exit from an interrupt function.
609         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
610         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
611         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
612         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
613         (m68k_interrupt_function_p): Globalize.
614         (m68k_compute_frame_layout): Remove reverse mask code.
615         (m68k_emit_movem, m68k_set_frame_related): New functions.
616         (m68k_output_function_prologue): Delete in favor of...
617         (m68k_expand_prologue): ...this new function.
618         (m68k_output_function_epilogue): Delete in favor of...
619         (m68k_expand_epilogue): ...this new function.
620         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
621         functions.
622         (print_operand): Handle %?.
623         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
624         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
625         (prologue, epilogue): New patterns.
626         (return): Turn into a define_expand.
627         (*return): New pattern, derived from old "return" pattern.  Use rte
628         rather than rts for interrupt functions.  Only use rtd if the pop
629         count is nonzero.
630         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
631         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
632         (link, *link, unlink, *unlink, load_got): Likewise.
633
634 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
635
636         PR target/23482
637         PR target/17114
638         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
639         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
640         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
641         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
642         and m68k_matches_u_p.
643         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
644         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
645         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
646         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
647         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
648         (REG_STRICT_P): New macro.
649         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
650         PCREL_GENERAL_OPERAND_OK.
651         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
652         m68k_legitimate_base_reg_p.
653         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
654         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
655         (PIC_CASE_VECTOR_ADDRESS): Update comment.
656         * config/m68k/m68k.c (m68k_address): New structure.
657         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
658         (m68k_decompose_index, m68k_legitimate_constant_address_p)
659         (m68k_jump_table_ref_p, m68k_decompose_address)
660         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
661         (m68k_matches_u_p): New functions.
662         (print_operand_address): Rewrite to use m68k_decompose_index.
663
664 2007-03-05  David Taylor  <dtaylor@emc.com>
665
666         * gcc.c: Correct copyright date in --version output.
667
668 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
669
670         * pa.md: In unamed move patterns, disparge copies between general
671         and floating point registers using '?' modifier.  Don't include 'f'
672         constraint for register preferences in DImode, SImode, HImode and
673         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
674         Remove constraints for copies between general and floating registers
675         in soft-float DFmode pattern.
676         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
677         floating register.
678         (movsf): Likewise. 
679
680 2007-03-05  Mike Stump  <mrs@apple.com>
681
682         * c-common.c (targetcm): Add.   
683         * c-opts.c (c_common_handle_option): Handle language specific
684         target options.
685         * opts.c (handle_option): Verify language for target options, if
686         any are given.
687         * opth-gen.awk: Add CL_LANG_ALL.
688         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
689         (TARGETCM_INITIALIZER): Add.
690         * target.h (struct gcc_targetcm): Add.
691         (targetcm): Add.
692         * targhooks.c (default_handle_c_option): Add.
693         * targhooks.h (default_handle_c_option): Add.
694         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
695
696         * config/darwin.opt (iframework): Add.
697         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
698         * config/darwin-c.c (handle_c_option): Add.
699         (TARGET_HANDLE_C_OPTION): Add.
700         (targetcm): Add.
701         * doc/invoke.texi (Darwin Options): Add -iframework.
702
703 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
704
705         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
706         conversion.
707
708 2007-03-05  Ian Lance Taylor  <iant@google.com>
709
710         * c.opt (fgnu89-inline): New option.
711         * c-opts.c (c_common_post_options): Set default value for
712         flag_gnu89_inline.
713         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
714         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
715         inline functions.
716         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
717         (grokdeclarator, start_function): Likewise.
718         * c-cppbuiltin.c (c_cpp_builtins): Define either
719         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
720         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
721         (C Dialect Options): Document -fgnu89-inline.
722         * doc/extend.texi (Function Attributes): Explain what the
723         gnu_inline attribute does.
724         * doc/cpp.texi (Common Predefined Macros): Document
725         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
726
727 2007-03-05  Ian Lance Taylor  <iant@google.com>
728
729         PR tree-optimization/31034
730         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
731         half-range if the other side is an overflow infinity.
732
733 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
734
735         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
736         (bfin*-linux-uclibc*): New configuration.
737         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
738         defining.
739         * config/bfin/linux.h: New file.
740         * config/bfin/libgcc-bfin.ver: New file.
741         * config/bfin/t-bfin-uclinux: New file.
742         * config/bfin/t-bfin-linux: New file.
743         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
744         (TARGET_OS_CPP_BUILTINS): New macro.
745
746 2007-03-05  Richard Guenther  <rguenther@suse.de>
747
748         * fold-const.c (fold_binary): Remove duplicate folding
749         of comparison of non-null ADDR_EXPR against null.
750
751 2007-03-05  Richard Guenther  <rguenther@suse.de>
752             Dorit Nuzman  <dorit@il.ibm.com>
753
754         PR tree-optimization/26420
755         * tree-vectorizer.c (vectorize_loops): Bail out early if there
756         are no loops in the function.  Only print the number of
757         vectorized loops if it is greater than zero or we are supposed
758         to print information about unvectorized loops.
759
760 2007-03-05  Revital Eres  <eres@il.ibm.com>
761
762         * gcc.dg/var-expand1.c: New test.
763         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
764         when an accumulator is expanded.
765
766 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
767
768         PR other/30465
769         * c-common.c (convert_and_check): Don't give warnings for
770         conversion if 'expr' already overflowed.
771         
772 2007-03-04  Roger Sayle  <roger@eyesopen.com>
773
774         PR middle-end/30744
775         * fold-const.c (fold_comparison): Enforce type consistency when
776         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
777
778 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
779
780         * tree-ssa-address.c (create_mem_ref): Do not put an expression
781         containing a cast to the base of TARGET_MEM_REF.
782
783 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
784
785         * tree.c (tree_contains_struct_check_failed): Remove spurious
786         whitespace from error message.
787
788 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
789
790         PR target/30406
791         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
792         instead of precision.
793
794 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
795             Nathan Sidwell  <nathan@codesourcery.com>
796
797         * emit-rtl.c (find_auto_inc): New.
798         (try_split): recreate REG_INC notes,
799         Use regular for loops rather than whiles.
800
801 2007-03-03  Andreas Schwab  <schwab@suse.de>
802
803         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
804         * configure: Regenerate.
805
806 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
807
808         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
809         flag_rounding_math, not flag_unsafe_math_optimizations.
810
811         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
812         fold_build2.
813         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
814         alpha_fold_vector_minmax): Likewise.
815         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
816         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
817
818 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
819
820         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
821         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
822         if the lhs has side-effects.
823         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
824
825 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
826
827         * config/i386/i386.h (TUNEMASK): Remove define.
828         (ARCHMASK): Remove define.
829         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
830          Use ix86_arch_mask variable instead of ARCHMASK.
831         * config/i386/i386.c (override_options): Ditto.
832         (standard_80387_constant_p): Ditto.
833
834 2007-03-02  Ian Lance Taylor  <iant@google.com>
835
836         Used signed infinities in VRP.
837         * tree-vrp.c (uses_overflow_infinity): New static function.
838         (supports_overflow_infinity): New static function.
839         (make_overflow_infinity): New static function.
840         (negative_overflow_infinity): New static function.
841         (positive_overflow_infinity): New static function.
842         (is_negative_overflow_infinity): New static function.
843         (is_positive_overflow_infinity): New static function.
844         (is_overflow_infinity): New static function.
845         (overflow_infinity_range_p): New static function.
846         (compare_values_warnv): New function split out of compare_values.
847         (compare_value): Call it.
848         (set_value_range_to_nonnegative): Add overflow_infinity
849         parameter.  Change caller.
850         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
851         Change callers.
852         (vrp_expr_computes_nonzero): Likewise.
853         (compare_ranges, compare_range_with_value): Likewise.
854         (compare_name_with_value, compare_names): Likewise.
855         (vrp_evaluate_conditional): Likewise.
856         (set_value_range): Handle infinity
857         (vrp_operand_equal_p, operand_less_p): Likewise.
858         (extract_range_from_assert): Likewise.
859         (vrp_int_const_binop): Likewise.
860         (extract_range_from_binary_expr): Likewise.
861         (extract_range_from_unary_expr): Likewise.
862         (extract_range_from_comparison): Likewise.
863         (extract_range_from_expr): Likewise.
864         (dump_value_range): Likewise.
865         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
866         (test_for_singularity): Likewise.
867         (vrp_int_const_binop): Remove inline qualifier.
868         (adjust_range_with_scev): Add comment.
869         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
870
871 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
872
873         * tree-ssa-structalias.c (could_have_pointers): Tidy.
874         (get_constraint_for): Likewise.
875         (do_structure_copy): Likewise.
876         (find_func_aliases): Fix references to MODIFY_EXPR.
877         (intra_create_variable_infos): Tidy.
878         * tree-ssa-operands.c (add_virtual_operand): Add argument
879         IS_CALL_SITE.
880         When adding members of alias sets, if IS_CALL_SITE is true and
881         the symbol is not call-clobbered, skip it.
882         Adjust all callers.
883
884 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
885
886         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
887         entry by means of emit_insn_at_entry.
888
889 2007-03-02  Richard Henderson  <rth@redhat.com>
890
891         * expr.h (promoted_input_arg): Remove decl.
892         * function.c (promoted_input_arg): Merge into ...
893         * combine.c (setup_incoming_promotions): ... only caller.
894         Rearrange to avoid double loop.
895
896 2007-03-02  Ben Elliston  <bje@au.ibm.com>
897             Peter Bergner  <bergner@vnet.ibm.com>
898             Janis Johnson  <janis187@us.ibm.com>
899
900         * config/rs6000/dfp.md: New file.
901         * config/rs6000/rs6000.md: Include dfp.md.
902         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
903         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
904         and TDmode decimal float modes in FP registers.
905         (num_insns_constant): Likewise.
906         (rs6000_legitimate_offset_address_p): Likewise.
907         (rs6000_legitimize_address): Likewise.
908         (rs6000_legitimize_reload_address): Likewise.
909         (rs6000_legitimate_address): Likewise.
910         (rs6000_emit_move): Likewise.
911         (function_arg_boundary): Likewise.
912         (function_arg_advance): Likewise.
913         (rs6000_darwin64_record_arg_recurse): Likewise.
914         (function_arg): Likewise.
915         (rs6000_gimplify_va_arg): Likewise.
916         (rs6000_split_multireg_move): Likewise.
917         (rs6000_output_function_epilogue): Likewise.
918         (rs6000_output_function_epilogue): Likewise.
919         (rs6000_register_move_cost): Likewise.
920         (rs6000_function_value): Likewise.
921         (rs6000_libcall_value): Likewise.
922
923 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
924
925         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
926
927 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
928
929         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
930         Use $MULTIDIR to choose between the kernel and RTP headers,
931         and use $WIND_BASE and $WIND_USR to locate them.
932
933 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
934
935         * config/i386/i386.c (override_options): Put initialization of
936         ix86_tune_mask and ix86_arch_mask to the correct place.
937
938 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
939             Michael Meissner  <michael.meissner@amd.com>
940
941         PR target/31019
942         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
943         (ARCHMASK): Define.
944         (TARGET_CMOVE): Use ARCHMASK.
945         (TARGET_CMPXCHG): Ditto.
946         (TARGET_CMPXCHG8B): Ditto.
947         (TARGET_XADD): Ditto.
948         (TARGET_BSWAP): Ditto.
949         * config/i386/i386.c (ix86_tune_mask): New global variable.
950         (ix86_arch_mask): Ditto.
951         (override_options): Initialize ix86_tune_mask and
952         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
953         target_flags.
954
955 2007-03-02  Ben Elliston  <bje@au.ibm.com>
956
957         PR 30992
958         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
959
960 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
961
962         * target.h (init_dwarf_reg_sizes_extra): New target hook.
963         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
964         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
965         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
966         hook.
967         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
968         rs6000_init_dwarf_reg_sizes_extra): New.
969         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
970         SPE register high parts.
971
972 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
973
974         * Makefile.in: Add install-pdf target as
975         copied from automake v1.10 rules.
976         * configure.ac: Add install-pdf to target list.
977         * configure: Regenerate.
978
979 2007-03-01  Paul Brook  <paul@codesourcery.com>
980
981         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
982         modes to LDRD for DImode.
983         (output_move_double): Fixup out of range ldrd/strd.
984         (vfp_secondary_reload_class): Rename...
985         (coproc_secondary_reload_class): ... to this.  Add wb argument.
986         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
987         coproc_secondary_reload_class for CLASS_IWMMXT.
988         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
989         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
990
991 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
992
993         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
994         factor by the estimated number of iterations.
995         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
996         prefetch latency.
997
998         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
999         decode_caches_intel, detect_caches_intel): New functions.
1000         (host_detect_local_cpu): Use detect_caches_amd and
1001         detect_caches_intel.
1002
1003 2007-03-01  Richard Henderson  <rth@redhat.com>
1004
1005         * expr.c (emit_move_complex_push): Export.
1006         (emit_move_complex_parts): Split out from ...
1007         (emit_move_complex): ... here.
1008         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
1009         * config/i386/i386.md (movcdi): New.
1010
1011 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
1012
1013         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
1014         size of mode1 to check for tieable modes in MMX case.
1015
1016 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
1017
1018         * Makefile.in (rtlanal.o): Depend on tree.h.
1019         * rtl.h (offset_within_section_p, split_const): Declare.
1020         * rtlanal.c: Include tree.h.
1021         (offset_within_block_p): New function, taken from
1022         mips_offset_within_object_p.
1023         (split_const): New function, taken from mips_split_const.
1024         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
1025         Declare.
1026         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
1027         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
1028         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
1029         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
1030         (m68k_illegitimate_symbolic_constant_p): New function.
1031         * config/m68k/m68k.md (movsi): Remove misleading predicates.
1032         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
1033         symbolic constant that might be outside the symbol's section,
1034         move the symbol first and then add the offset.
1035         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
1036         Override.
1037         * config/mips/mips.c (mips_split_const): Delete.
1038         (mips_offset_within_object_p): Delete.
1039         (mips_symbolic_constant_p): Use offset_within_section_p and
1040         split_const instead of mips_offset_within_object_p and
1041         mips_split_const.
1042         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
1043         (mips_legitimize_const_move, print_operand_reloc)
1044         (mips_dangerous_for_la25_p): Use split_const instead of
1045         mips_split_const.
1046
1047 2007-02-28  Eric Christopher  <echristo@apple.com>
1048
1049         * Makefile.in (install-include-dir): Don't rm -rf include.
1050
1051 2007-02-28  Richard Guenther  <rguenther@suse.de>
1052
1053         PR middle-end/30364
1054         * fold-const.c (fold_binary): Do not associate expressions
1055         with more than one variable for integer types that do not wrap.
1056
1057 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
1058
1059         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
1060         Delete, and replace with...
1061         (fold_builtin_call_array): This.  Update callers to use it.
1062         * fold-const.c (fold_build_call_list): Delete, and replace with...
1063         (fold_build_call_array): This.
1064         (fold_build_call_list_initializer): Delete, and replace with...
1065         (fold_build_call_array_initializer): This.
1066         * tree.h: Update declarations to reflect above changes.
1067
1068         * c-typeck.c (build_function_call): Store converted arguments
1069         in a stack-allocated array instead of building a list.
1070         (convert_arguments): Store arguments in the array passed in as an
1071         argument, and return the actual number of arguments.
1072         * c-format.c: (check_function_format): Pass arguments in an
1073         array instead of a list.
1074         * c-common.c (check_function_nonnull): Likewise.
1075         (check_function_sentinel): Likewise.
1076         (check_function_arguments): Likewise.
1077         * c-common.h: Update declarations to reflect above changes.
1078
1079 2007-02-28  Jan Hubicka  <jh@suse.cz>
1080
1081         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
1082         PRED_NEGATIVE_RETURN): Update outcomes.
1083
1084 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
1085
1086         * calls.c (emit_library_call_value_1): Handle partial registers
1087         correctly when building up CALL_INSN_FUNCTION_USAGE.
1088
1089 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1090
1091         * pa/predicates.md (move_src_operand): Allow zero for mode.
1092         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
1093         move pattern.
1094
1095 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
1096
1097         PR target/30970
1098         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
1099         *movv2df_internal): Enable pattern only for valid operand
1100         combinations.
1101         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
1102         tie only 128bit modes. For MMX registers, tie only 64bit modes.
1103
1104 2007-02-27  Mike Stump  <mrs@apple.com>
1105
1106         * config/darwin-crt3.c: Avoid compilation when compiling for a
1107         kext multilib.
1108
1109 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
1110
1111         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
1112         FIXED_INCLUDE_DIR.
1113         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
1114         for fixed headers and limits.h.
1115         (install-include-dir, install-headers-tar, install-headers-cpio,
1116         install-headers-cp, real-install-headers-tar,
1117         real-install-headers-cpio, real-install-headers-cp): Handle
1118         include-fixed as well as include.
1119         (install-mkheaders): Don't install files that go only in include
1120         not include-fixed.
1121         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
1122         from GCC_INCLUDE_DIR.
1123         * gcc.c (process_command): Remove special -BstageN/ handling.
1124         (do_spec_1): Add include-fixed directories.
1125
1126 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
1127
1128         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
1129         _smulsi3_highpart.
1130         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
1131         New functions.
1132         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
1133         patterns.
1134
1135 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
1136
1137         * c-common.c (get_priority): Add check for
1138         SUPPORTS_INIT_PRIORITY.
1139
1140 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
1141
1142         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
1143
1144         * config/bfin/bfin.c: Include "cfglayout.h".
1145         (MAX_LSETUP_DISTANCE): New macro.
1146         (struct loop_info): New members incoming, incoming_src and
1147         incoming_dest.  Delete member predecessor.
1148         (length_for_loop): New function.
1149         (bfin_optimize_loop): Handle more different loop structures.
1150         (bfin_discover_loop): Rework detection of predecessor blocks by
1151         examining incoming edges.
1152         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
1153         bfin_reorg_loops.
1154         (bfin_reorder_loops): New function.
1155         (bfin_reorg_loops): Use these three new functions.
1156
1157         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
1158         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
1159         (CONSTRAINT_LEN): Add entry for 'q'.
1160         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
1161         Add 'q' constraints.
1162         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
1163         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
1164
1165         * config/bfin/bfin.md (add_with_carry): New pattern.
1166         (s_or_u, su_optab, su_modifier): New code macros/attrs.
1167         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
1168         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
1169         support unsigned multiplies too.  Removed incorrect commutativity from
1170         operand 1 constraint where appropriate.
1171         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
1172         patterns.
1173         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
1174         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
1175         New patterns.
1176         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
1177         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
1178         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
1179         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
1180         usmulhisi_hh_huh): New patterns.
1181
1182         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
1183         lshifthi3): Fix output template to use half reg for operand 2.
1184
1185         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
1186         instead of R2.
1187
1188         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
1189
1190 2007-02-27  Andreas Schwab  <schwab@suse.de>
1191
1192         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
1193
1194 2007-02-27  Jan Hubicka  <jh@suse.cz>
1195
1196         * predict.c (last_basic_block_p): Remove.
1197         (tree_estimate_probability): Update return heuristic for commonized
1198         return blocks.
1199
1200 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
1201
1202         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
1203
1204 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
1205
1206         * doc/include/gcc-common.texi (versionsubtitle): New macro.
1207         * doc/cpp.texi: Standardize title page.
1208         * doc/cppinternals.texi: Likewise.
1209         * doc/gcc.texi: Standardize title page, remove version number
1210         from copyright page.
1211         * doc/gccint.texi: Likewise.
1212         * doc/install.texi: Standardize title page, add table of
1213         contents.
1214
1215 2007-02-26  Jan Hubicka  <jh@suse.cz>
1216
1217         * predict.def: Set outcomes according to more recent results.
1218         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
1219         Remove dead predictors.
1220         * predict.c (return_prediction): Fix pasto.
1221
1222 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
1223
1224         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
1225         change; avoid a memory leak when returning early.
1226
1227 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
1228
1229         * c-decl.c (static_ctors): Move to c-common.c.
1230         (static_dtors): Likewise.
1231         (finish_function): Use c_record_cdtor_fn.
1232         (build_cdtor): Move to c-common.c.
1233         (c_write_global_declarations): Use c_build_cdtor_fns.
1234         * c-common.h (static_ctors): Declare.
1235         (static_dtors): Likewise.
1236         (c_record_cdtor_fn): Likewise.
1237         (c_build_cdtor_fns): Likewise.
1238         * c-common.c (static_ctors): New variable.
1239         (static_dtors): Likewise.
1240         (c_record_cdtor_fn): New function.
1241         (build_cdtor): Move from c-decl.c
1242         (c_build_cdtor_fns): New function.
1243
1244         * output.h (assemble_addr_to_section): Declare.
1245         (get_cdtor_priority_section): Likewise.
1246         * varasm.c (assemble_addr_to_section): New function.
1247         (get_cdtor_priority_section): Likewise.
1248         (default_named_section_asm_out_destructor): Use them.
1249         (destor_dtor_section_asm_out_destructor): Likewise.
1250         (default_named_section_asm_out_constructor): Likewise.
1251         (default_ctor_section_asm_out_constructor): Likewise.
1252         * config.gcc (*-*-vxworks*): Include vxworks.o.
1253         * config/t-vxworks (vxworks.o): New target.
1254         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
1255         (TARGET_ASM_CONSTRUCTOR): Define.
1256         (TARGET_ASM_DESTRUCTOR): Likewise.
1257         (vxworks_asm_out_constructor): Declare.
1258         (vxworks_asm_out_destructor): Likewise.
1259
1260         * c-common.c (get_priority): Check that we have not just an
1261         INTEGER_CST, but an integer constant with integeral type.
1262
1263 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
1264
1265         PR tree-optimization/30938
1266         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
1267         use &dt[nargs-1] instead of &dt[nargs] in the call to
1268         vect_is_simple_use().
1269
1270 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
1271
1272         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
1273         from register elimination as PRE_MODIFY / POST_MODIFY increments.
1274         Do not attempt to handle MEM inside auto-inc expressions.
1275         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
1276         of a register modified by an auto-inc expression.  However, do handle
1277         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
1278         (elimination_effects): Prohibit elimination of a register modified
1279         by an auto-inc expression.  Disable register elimination rules whose
1280         target register is modified by an auto-inc expression with variable
1281         increment.
1282
1283 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
1284
1285         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
1286         off-by-one error.
1287         (array_at_struct_end_p): New function.
1288         (idx_infer_loop_bounds): Use it.
1289         (estimate_numbers_of_iterations_loop): Export.
1290         * predict.c (predict_loops): Use estimated_loop_iterations_int.
1291         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
1292         (tree_estimate_probability): Call record_loop_exits.
1293         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
1294         (estimated_loop_iterations, estimated_loop_iterations_int,
1295         estimated_loop_iterations_tree): New functions.
1296         (analyze_siv_subscript_cst_affine,
1297         compute_overlap_steps_for_affine_1_2,
1298         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
1299         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
1300         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
1301         (PRED_LOOP_ITERATIONS_GUESSED): New.
1302         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
1303         * cfgloop.h (estimate_numbers_of_iterations_loop,
1304         estimated_loop_iterations_int): Declare.
1305
1306 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
1307
1308         * doc/extend.texi: Document optional priority argument to
1309         constructors and destructors.
1310         * tree.c (init_priority_for_decl): Adjust GTY markers.
1311         (init_ttree): Use priority-info hash functions for
1312         init_priority_for_decl.
1313         (tree_map_eq): Rename to ...
1314         (tree_map_base_eq): ... this.
1315         (tree_map_marked_p): Rename to ...
1316         (tree_map_base_marked_p): ... this.
1317         (tree_map_base_hash): New function.
1318         (decl_init_priority_lookup): Rework.
1319         (decl_fini_priority_lookup): New function.
1320         (decl_priority_info): New function.
1321         (decl_init_priority_insert): Use it.
1322         (decl_fini_priority_insert): Likewise.
1323         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
1324         hierarchy.
1325         (decl_restrict_base_insert): Likewise.
1326         (decl_debug_expr_insert): Likewise.
1327         (decl_value_expr_lookup): Likewise.
1328         (decl_value_expr_insert): Likewise.
1329         * tree.h (priority_type): New type.
1330         (decl_init_priority_lookup): Use priority_type.
1331         (decl_fini_priority_lookup): New function.
1332         (decl_init_priority_insert): Use priority_type.
1333         (decl_fini_priority_insert): New function.
1334         (DECL_HAS_INIT_PRIORITY): Tweak comments.
1335         (DECL_INIT_PRIORITY): Likewise.
1336         (SET_DECL_INIT_PRIORITY): Add comment.
1337         (DECL_FINI_PRIORITY): New macro.
1338         (SET_DECL_FINI_PRIORITY): Likewise.
1339         (DEFAULT_INIT_PRIORITY): Document.
1340         (MAX_INIT_PRIORITY): Likewise.
1341         (MAX_RESERVED_INIT_PRIORITY): Likewise.
1342         (tree_map_base): New type.
1343         (tree_map_base_eq): New function.
1344         (tree_map_base_hash): Likewise.
1345         (tree_map_base_marked_p): Likewise.
1346         (tree_map): Inherit from tree_map_base.
1347         (tree_map_eq): Make it a macro.
1348         (tree_map_marked_p): Likewise.
1349         (tree_int_map): Inherit from tree_map_base.
1350         (tree_int_map_eq): Make it a macro.
1351         (tree_int_map_hash): Likewise.
1352         (tree_int_map_marked_p): Likewise.
1353         (tree_priority_map): New type.
1354         (tree_priority_map_eq): New macro.
1355         (tree_priority_map_hash): Likewise.
1356         (tree_priority_map_marked_p): Likewise.
1357         * varasm.c (emults_decl): Adjust for refactoring of tree_map
1358         hierarchy.
1359         (emutls_common_1): Likewise.
1360         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
1361         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
1362         of tree_map hierarchy.
1363         * tree-cfg.c (move_stmt_r): Likewise.
1364         (new_label_mapper): Likewise.
1365         * c-tree.h (c_expand_body): Move to ...
1366         * c-common.h (c_expand_body): ... here.
1367         * c-decl.c (c_expand_body): Move to ...
1368         * c-common.c (c_expand_body): ... here.
1369         (c_common_attribute_table): Allow 1 argument for the constructor
1370         and destructor attributes.
1371         (get_priority): New function.
1372         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
1373         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
1374
1375 2007-02-24  Jan Hubicka  <jh@suse.cz>
1376
1377         PR middle-end/30509
1378         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
1379
1380 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
1381             Jan Hubicka  <jh@suse.cz>
1382
1383         PR target/30778
1384         * i386.c (counter_mode): New function.
1385         (expand_set_or_movmem_via_loop): Use it.
1386         (expand_movmem_epilogue): Likewise; fix pasto.
1387         (ix86_expand_movmem): Do emit guard even for constant counts.
1388         (ix86_expand_setmem): Likewise.
1389
1390 2007-02-25  Nick Clifton  <nickc@redhat.com>
1391
1392         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
1393         (JUMP_TABLES_IN_TEXT_SECTION): Define.
1394
1395 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
1396
1397         PR target/30770
1398         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
1399         count argument with 0x10, not with 0x16.
1400         (expand_setmem_epilogue): Ditto.
1401
1402 2007-02-24  Mike Stump  <mrs@apple.com>
1403
1404         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
1405         symbols.
1406
1407 2007-02-24  Richard Guenther  <rguenther@suse.de>
1408
1409         PR middle-end/30951
1410         * fold-const.c (fold_binary): Fold x +- CST op x for
1411         EQ_EXPR and NE_EXPR.
1412
1413 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1414
1415         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
1416
1417 2007-02-24  Jan Hubicka  <jh@suse.cz>
1418
1419         * cgraphunit.c (decide_is_function_needed): Honor
1420         -fkeep-inline-functions.
1421
1422 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1423
1424         * builtins.c (fold_builtin_modf): New.
1425         (fold_builtin_2): Use it.
1426
1427 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
1428
1429         * loop-iv.c (implies_p): Detect additional cases where A implies B.
1430         (determine_max_iter): Take additional LOOP arg; all callers changed.
1431         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
1432         one using simplifications.
1433         (simplify_using_initial_values): Return if the expression becomes
1434         invalid due to altered regs.
1435
1436 2007-02-23  DJ Delorie  <dj@redhat.com>
1437
1438         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
1439
1440 2007-02-23  Mike Stump  <mrs@apple.com>
1441
1442         * tlink.c (scan_linker_output): Parse linker messages from
1443         darwin9's linker better.
1444
1445 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
1446
1447         PR debug/29614
1448         * varpool.c (varpool_assemble_pending_decls):  Set
1449         varpool_last_needed_node to null.
1450
1451 2007-02-23  DJ Delorie  <dj@redhat.com>
1452
1453         * config/i386/i386.c (ix86_data_alignment): Don't specify an
1454         alignment bigger than the object file can handle.
1455
1456 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
1457
1458         PR target/30825
1459         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
1460         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
1461         (*movsf_1): Penalize MMX moves.
1462
1463 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
1464
1465         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
1466         2^32-1 or more times unless flag_unsafe_loop_optimizations.
1467
1468         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
1469
1470 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1471
1472         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
1473         (fold_builtin_1): Use them.
1474         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
1475         BUILT_IN_SIGNIFICAND.
1476
1477 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
1478
1479         * config/i386/i386.c (bdesc_1arg): Initialize
1480         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
1481         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
1482         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
1483         and IX86_BUILTIN_MOVSLDUP.
1484
1485 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
1486
1487         PR rtl-optimization/30841
1488         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
1489
1490 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1491
1492         * builtins.c (fold_builtin_frexp): New.
1493         (fold_builtin_2): Use it.
1494
1495 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
1496
1497         * doc/invoke.texi (Spec Files): Document getenv spec function.
1498
1499         * gcc.c (getenv_spec_function): New function.
1500         (static_spec_functions): Add it.
1501         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
1502         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
1503         header files.
1504
1505 2007-02-22  Michael Matz  <matz@suse.de
1506
1507         PR c++/29433
1508         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
1509         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
1510
1511 2007-02-22  Ian Lance Taylor  <iant@google.com>
1512
1513         PR debug/30898
1514         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
1515         (mem_loc_descriptor): Call it.
1516
1517 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
1518             Ira Rosen  <irar@il.ibm.com>
1519
1520         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
1521
1522 2007-02-22  Ira Rosen  <irar@il.ibm.com>
1523
1524         PR tree-optimization/30843
1525         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
1526         stores only after all the group is vectorized.
1527
1528 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
1529
1530         PR tree-optimization/30858
1531         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
1532         in the reduction cycle have a single use in the loop.
1533         * tree-vectorizer.h (relevant): Add documentation.
1534
1535 2007-02-20  Mike Stump  <mrs@apple.com>
1536
1537         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
1538         * configure: Regenerate.
1539
1540 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
1541
1542         Change the defaults of some parameters and options.
1543         * config/spu/spu-protos.h (spu_optimization_options): Declare.
1544         * config/spu/spu.c (spu_optimization_options): Add.
1545         (spu_override_options): Change params in spu_optimization_options.
1546         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
1547
1548         Register 127 is only 16 byte aligned when used as a frame pointer.
1549         * config/spu/spu-protos.h (spu_init_expanders): Declare.
1550         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
1551         HARD_FRAME_POINTER_REGNUM.
1552         (spu_legitimate_address):  Use regno_aligned_for_reload.
1553         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
1554         aligned when frame_pointer_needed is true.
1555         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
1556         to 8 bits.
1557         * config/spu/spu.h (INIT_EXPANDERS): Define.
1558
1559         Make sure shift and rotate instructions have valid immediate operands.
1560         * config/spu/predicates.md (spu_shift_operand): Remove.
1561         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
1562         * config/spu/constraints.md (W, O): Extend range.
1563         * config/spu/spu.md (umask, nmask): Define.
1564         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
1565         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
1566         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
1567         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
1568         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
1569         (lshr<mode>3_reg):  Fix rtl description.
1570
1571         Make sure mulhisi immediate operands are valid.
1572         * config/spu/predicates.md (imm_K_operand): Add.
1573         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
1574
1575         Generate constants using fsmbi and andi.
1576         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
1577         (print_operand, spu_split_immediate, classify_immediate,
1578         fsmbi_const_p): Handle IC_FSMBI2.
1579
1580         Correctly handle a CONST_VECTOR containing symbols.
1581         * config/spu/spu.c (print_operand): Handle HIGH correctly.
1582         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
1583         (immediate_load_p): Allow symbols that use 2 instructions to create.
1584         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
1585         with symbols when flag_pic is set.
1586         (const_vector_immediate_p): New.
1587         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
1588         accept a CONST_VECTOR with symbols.
1589         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
1590         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
1591         correctly.
1592         * config/spu/spu.md (high, low): Delete.
1593         (low_<mode>): Define.
1594
1595         Remove INTRmode and INTR_REGNUM, which didn't work.
1596         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
1597         of INTR_REGNUM.
1598         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
1599         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
1600         peephole2 pattern): Don't use INTR or 131.
1601         (movintrcc): Delete.
1602         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
1603         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
1604         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
1605         (UNSPEC_SET_INTR): Add.
1606         * config/spu/spu-modes.def (INTR): Remove.
1607
1608         More accurate warnings about run-time relocations.
1609         * config/spu/spu.c (reloc_diagnostic): Test in_section.
1610
1611         Correctly warn about immediate arguments to specific intrinsics.
1612         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
1613         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
1614         the instruction predicate.
1615
1616         Fix tree check errors with latest update.
1617         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
1618         CALL_EXPR_ARG.
1619         (spu_expand_builtin): Use CALL_EXPR_FN.
1620
1621         Add missing specific intrinsics.
1622         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
1623         si_bislede.
1624         * config/spu/spu_internals.h: Ditto.
1625
1626         Fix incorrect operand modifiers.
1627         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
1628         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
1629
1630         Optimize one case of zero_extend of a vec_select.
1631         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
1632
1633         Accept any immediate for hbr.
1634         * config/spu/spu.md (hbr):  Change s constraints to i.
1635
1636 2007-02-21  Paul Brook  <paul@codesourcery.com>
1637
1638         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
1639         condexec_count when skipping USE and CLOBBER.
1640
1641 2007-02-21  Nick Clifton  <nickc@redhat.com>
1642
1643         * common.opt (Warray-bounds): Add Warning attribute.
1644         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
1645         Likewise.
1646         (fsized-zeroes): Add Optimization attribute.
1647         (fsplit-wide-types, ftree-scev-cprop): Likewise.
1648         * c.opt (Wc++0x-compat): Add Warning attribute.
1649
1650 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
1651
1652         PR middle-end/30761
1653         * reload1.c (eliminate_regs_in_insn): In the single_set special
1654         case, attempt to re-recognize the insn before falling back to
1655         having reload fix it up.
1656
1657 2007-02-20  Eric Christopher  <echristo@gmail.com>
1658
1659         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
1660         Rewrite accordingly.
1661         (frv_read_iacc_argument): Ditto.
1662         (frv_expand_set_builtin): Take a call instead of arglist, update for
1663         above changes.
1664         (frv_expand_unop_builtin): Ditto.
1665         (frv_expand_binop_builtin): Ditto.
1666         (frv_expand_cut_builtin): Ditto.
1667         (frv_expand_binopimm_builtin): Ditto.
1668         (frv_expand_voidbinop_builtin): Ditto.
1669         (frv_expand_int_void2arg): Ditto.
1670         (frv_expand_prefetches): Ditto.
1671         (frv_expand_voidtriop_builtin): Ditto.
1672         (frv_expand_voidaccop_builtin): Ditto.
1673         (frv_expand_load_builtin): Ditto.
1674         (frv_expand_store_builtin): Ditto.
1675         (frv_expand_mdpackh_builtin): Ditto.
1676         (frv_expand_mclracc_builtin): Ditto.
1677         (frv_expand_mrdacc_builtin): Ditto.
1678         (frv_expand_mwtacc_builtin): Ditto.
1679         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
1680         calls for above.
1681
1682 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
1683
1684         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
1685         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
1686         cmpb instruction.
1687         (HAVE_GAS_DFP): Check for assembler support of decimal floating
1688         point instructions.
1689         * configure: Regenerate.
1690         * config.in: Regenerate.
1691         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
1692         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
1693         masks to power6 and power6x and to POWERPC_MASKS.
1694         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1695         _ARCH_PWR6.
1696         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
1697         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
1698         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
1699         Access PROTOTYPE as variable, not mask.
1700
1701 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
1702
1703         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
1704         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
1705         * combine.c (adjust_for_new_dest): Use it.
1706         * postreload.c (reload_combine): Likewise.
1707
1708 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
1709
1710         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
1711         notes on an insn with multiple sets, even if single_set returns
1712         non-NULL for that insn.
1713
1714 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1715
1716         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
1717         scalbn and scalbln.
1718
1719 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
1720
1721         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
1722         if user didn't pass it.
1723         * config/i386/darwin.h (CC1_SPEC): Likewise.
1724         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
1725         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
1726         -mmacosx-version-min.
1727
1728 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1729             Uros Bizjak  <ubizjak@gmail.com>
1730
1731         * optabs.h (enum optab_index): Add new OTI_scalb.
1732         (scalb_optab): Define corresponding macro.
1733         * optabs.c (init_optabs): Initialize scalb_optab.
1734         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
1735         patterns.
1736         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
1737         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
1738         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
1739         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
1740         flag_unsafe_math_optimizations is set.
1741
1742         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
1743         to implement scalbf, scalb and scalbl built-ins as inline x87
1744         intrinsics.
1745
1746 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1747             DJ Delorie <dj@redhat.com>
1748
1749         PR other/30824
1750         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
1751         (diagnostic_report_diagnostic): ... here, and turn them into real
1752         errors. If warnings are inhibited, no need to do anything.
1753
1754 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
1755
1756         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
1757         better code generation.
1758
1759 2007-02-20  Ben Elliston  <bje@au.ibm.com>
1760
1761         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
1762
1763 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
1764
1765         * config/alpha/alpha.c, config/alpha/alpha.md,
1766         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
1767         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
1768         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
1769         config/arm/lib1funcs.asm: Follow spelling conventions.
1770
1771         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
1772         config/fr30/fr30.md, config/i386/i386.h,
1773         config/iq2000/iq2000.h, config/iq2000/predicates.md,
1774         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
1775         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
1776         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
1777         config/rs6000/altivec.md, config/rs6000/rs6000.c,
1778         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
1779         config/sparc/sparc.c, config/sparc/sparc.h,
1780         config/sparc/sparc.md, config/spu/constraints.md,
1781         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
1782         conventions.
1783
1784 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
1785
1786         PR target/29943
1787         * varasm.c (use_blocks_for_decl_p): Return false for decls with
1788         alias attribute.
1789
1790 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
1791
1792         * doc/invoke.texi (-ftree-lrs): Remove.
1793
1794 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
1795
1796         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
1797         NULL.
1798
1799 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
1800
1801         * config/ia64/ia64.c (ia64_expand_builtin): Use the
1802         new CALL_EXPR_FN macro for retrieving the function
1803         declaration of the input expression.
1804
1805 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1806
1807         * c.opt (Waddress): New.
1808         * common.opt (Walways-true): Delete.
1809         (Wstring-literal-comparison): Delete.
1810         * doc/invoke.texi (Warning Options): Delete -Walways-true and
1811         -Wstring-literal-comparison. Add -Waddress.
1812         (Waddress): New.
1813         (Walways-true): Delete.
1814         (Wstring-literal-comparison): Delete.
1815         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
1816         consistently instead of -Walways-true in example.
1817         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
1818         * c-typeck.c (parser_build_binary_op): Replace
1819         -Wstring-literal-comparison and -Walways-true with -Waddress.
1820         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
1821         with -Waddress.
1822
1823 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
1824
1825         * tree-cfg.c (dump_function_to_file): Be prepared for functions
1826         without DECL_STRUCT_FUNCTION initialized.
1827
1828 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
1829
1830         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
1831         due to calls to functions taking pointers as parameters.
1832
1833 2007-02-19  Richard Henderson  <rth@redhat.com>
1834
1835         PR debug/29558
1836         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
1837         in memory.
1838
1839 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1840
1841         * config/s390/s390.c (s390_call_saved_register_used,
1842         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
1843         accessed to the new scheme.
1844
1845 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
1846
1847         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
1848         (cris_print_index, cris_print_operand, cris_print_operand_address)
1849         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
1850         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
1851         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
1852         GET_CODE () == xxx.
1853         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
1854         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
1855         GO_IF_LEGITIMATE_ADDRESS): Ditto.
1856         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
1857         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
1858         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
1859         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
1860         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
1861         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
1862         (uminsi3, call, call_value): Ditto.
1863         (define_split: indir_to_reg_split, unnamed): Ditto.
1864
1865 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
1866
1867         PR tree-optimization/30975
1868         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
1869         wrong assert.
1870
1871 2007-02-18  Eric Christopher  <echristo@gmail.com>
1872
1873         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
1874         Remove use of arglist.
1875         (mips_expand_builtin): Remove use of arglist, pass in expr.
1876         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
1877         (mips_expand_builtin_movtf): Ditto.
1878         (mips_expand_builtin_compare): Ditto.
1879
1880 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
1881
1882         * tree-sra.c (sra_build_assignment): Replace assertion
1883         checking with a comment explaining why it can't be done.
1884
1885 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
1886
1887         PR middle-end/30833
1888         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
1889         during CALL_EXPR representation conversion.
1890         * tree-ssa-propagate.c (set_rhs): Likewise.
1891
1892 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
1893
1894         * tree-sra.c (sra_build_assignment): Disable assertion checking
1895         for now.
1896
1897 2007-02-18  Roger Sayle  <roger@eyesopen.com>
1898
1899         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
1900         instead of calling build2 with a GIMPLE_MODIFY_STMT.
1901         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
1902         Likewise.
1903         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
1904         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
1905         gimplify_init_ctor_eval_range, gimple_push_cleanup,
1906         gimplify_omp_for, gimplify_omp_atomic_pipeline,
1907         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
1908         force_gimple_operand): Likewise.
1909         * ipa-cp.c (constant_val_insert): Likewise.
1910         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1911         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
1912         perfect_nestify): Likewise.
1913         * langhooks.c (lhd_omp_assignment): Likewise.
1914         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
1915         lower_copyprivate_clauses, lower_send_clauses,
1916         lower_send_shared_vars, expand_parallel_call,
1917         expand_omp_for_generic, expand_omp_for_static_nochunk,
1918         expand_omp_for_static_chunk, expand_omp_sections,
1919         lower_omp_single_copy, lower_omp_for_lastprivate,
1920         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
1921         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
1922         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
1923         Likewise.
1924
1925 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
1926
1927         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
1928         config/sh/sh.md: Follow spelling conventions.
1929
1930         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
1931         config/frv/predicates.md: Follow spelling conventions.
1932
1933         * config/m68k/linux-unwind.h: Fix a comment typo.
1934         * target.h: Follow spelling conventions.
1935
1936 2007-02-18  Roger Sayle  <roger@eyesopen.com>
1937
1938         PR rtl-optimization/28173
1939         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
1940         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
1941         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
1942         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
1943         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
1944
1945 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1946
1947         * builtins.c (fold_builtin_load_exponent): New.
1948         (fold_builtin_2): Use it.
1949
1950 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
1951
1952         PR rtl-optimization/30773
1953         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
1954         if we fail to attach a REG_EQUIV note.
1955
1956 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
1957             Roger Sayle  <roger@eyesopen.com>
1958
1959         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
1960
1961 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
1962
1963         * calls.c (initialize_argument_information): Pass original EXP
1964         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
1965         code to split complex arguments here, as part of initializing the
1966         ARGS array.
1967         (expand_call): Remove code that builds a list of arguments and
1968         inserts implicit arguments into it.  Instead, just count how many
1969         implicit arguments there will be so we can determine the size of
1970         the ARGS array, and let initialize_argument_information do the work.
1971         (split_complex_values): Delete unused function.
1972
1973 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
1974
1975         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
1976
1977 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
1978
1979         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
1980         for arg pointer based indexed addressing.
1981
1982 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
1983
1984         * config/ia64/ia64.h, config/ia64/ia64.md,
1985         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
1986         spelling conventions.
1987
1988 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
1989
1990         * config/m68k/m68k.c (split_di): New.
1991         * config/m68k/m68k-protos.h: Declare split_di.
1992         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
1993           Improve predicate handling and split constant shifts.
1994
1995 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
1996
1997         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
1998         parameter for register bitfield operations, general predicates
1999         cleanup
2000
2001 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
2002
2003         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
2004         * config/m68k/linux-unwind.h: New file.
2005
2006 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
2007
2008         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
2009         config/i386/athlon.md, config/ia64/ia64.md,
2010         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
2011         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
2012         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
2013         tree-ssa-loop-niter.c, tree-vect-analyze.c,
2014         tree-vect-transform.c: Fix comment typos.
2015
2016 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
2017
2018         * sched-deps.c (find_insn_list): Remove.
2019         * sched-int.h: Remove the prototype for find_insn_list.
2020
2021 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
2022
2023         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
2024         to linker.
2025         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
2026         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
2027         darwin_rs6000_override_options.
2028         (C_COMMON_OVERRIDE_OPTIONS): Expect
2029         darwin_macosx_version_min to be non-NULL always.
2030         (TARGET_C99_FUNCTIONS): Likewise.
2031         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
2032         (DARWIN_MINVERSION_SPEC): New.
2033         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
2034         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
2035         to cc1*.
2036         (DARWIN_MINVERSION_SPEC): New.
2037         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
2038         value.
2039         * config/darwin-c.c (darwin_cpp_builtins): Expect
2040         darwin_macosx_version_min to be non-NULL always.
2041
2042         * config/rs6000/rs6000.c: Clean up trailing whitespace.
2043
2044 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
2045
2046         * config/i386/i386.h (x86_use_xchgb): New.
2047         (TARGET_USE_XCHGB): New macro.
2048         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
2049         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
2050         Split after reload into bswaphi for shifts of 8.
2051         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
2052         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
2053         or when optimizing for size.
2054
2055 2007-02-16  Richard Guenther  <rguenther@suse.de>
2056             Christian Bruel  <christian.bruel@st.com>
2057
2058         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
2059         DECLs but prefer SSA_NAMEs over DECLs.
2060
2061 2007-02-16  Richard Guenther  <rguenther@suse.de>
2062
2063         * tree-flow-inline.h (single_imm_use_p): Remove.
2064         (zero_imm_uses_p): Likewise.
2065         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
2066         instead of single_imm_use_p.
2067         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
2068         zero_imm_uses_p.
2069
2070 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2071
2072         PR other/27843
2073         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
2074         nested double- and backquotes.
2075
2076 2007-02-15  Roger Sayle  <roger@eyesopen.com>
2077
2078         PR middle-end/30391
2079         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
2080         should be unreachable.
2081         (build2_stat): Allow construction of MODIFY_EXPR at any time.
2082         For the time being redirect GIMPLE_MODIFY_STMT to the new
2083         (renamed) build_gimple_modify_stmt_stat.
2084         (build2_gimple_stat): Rename to...
2085         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
2086         Always build a GIMPLE_MODIFY_STMT node.
2087         * tree.h (build2_gimple, build2_gimple_stat): Delete.
2088         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
2089         declarations.
2090
2091         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
2092         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
2093         * tree-complex.c (set_component_ssa_name, expand_complex_move,
2094         expand_complex_div_wide): Likewise.
2095         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
2096         * tree-ssa-loop-im.c (schedule_sm): Likewise.
2097         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
2098         * tree-ssa-loop-manip.c (create_iv): Likewise.
2099         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
2100         abs_replacement): Likewise.
2101         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
2102         realify_fake_stores): Likewise.
2103
2104         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
2105         node rather than a GIMPLE_MODIFY_STMT node.
2106         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
2107         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
2108         Likewise.
2109         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
2110         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
2111         GIMPLE_MODIFY_STMT.
2112
2113 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2114
2115         PR middle-end/30433
2116         * fold-const.c (fold_comparison): Add back the
2117         folding of constant complex comparisions.
2118
2119 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2120
2121         PR middle-end/30729
2122         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
2123         effects unknown to this function, return early.
2124
2125 2007-02-15  Ian Lance Taylor  <iant@google.com>
2126
2127         * lower-subreg.c (move_eh_region_note): New static function.
2128         (resolve_simple_move): Call it.
2129         (decompose_multiword_subregs): Track blocks for which we resolve a
2130         simple move which is also a control flow insn.  Pass them to
2131         find_many_sub_basic_blocks.
2132         (pass_lower_subreg): Add TODO_verify_flow.
2133         (pass_lower_subreg2): Likewise.
2134
2135 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
2136             Brooks Moses  <brooks.moses@codesourcery.com>
2137             Lee Millward  <lee.millward@codesourcery.com>
2138
2139         * tree.h (enum tree_code_class): Add tcc_vl_exp.
2140         (VL_EXP_CLASS_P): New.
2141         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
2142         TREE_CODE_LENGTH.
2143         (TREE_OPERAND_CHECK_CODE): Likewise.
2144         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
2145         (TREE_RTL_OPERAND_CHECK): Likewise.
2146         (tree_operand_check_failed): Make second parameter the whole tree
2147         instead of its code.  Fixed callers.
2148         (VL_EXP_CHECK): New.
2149         (TREE_OPERAND_LENGTH): New.
2150         (VL_EXP_OPERAND_LENGTH): New.
2151         (CALL_EXPR_FN): New.
2152         (CALL_EXPR_STATIC_CHAIN): New.
2153         (CALL_EXPR_ARGS): New.
2154         (CALL_EXPR_ARG): New.
2155         (call_expr_nargs): New.
2156         (CALL_EXPR_ARGP): New.
2157         (build_nt_call_list): Declare.
2158         (build_vl_exp_stat): Declare.
2159         (build_vl_exp): New.
2160         (build_call_list): Declare.
2161         (build_call_nary): Declare.
2162         (build_call_valist): Declare.
2163         (build_call_array): Declare.
2164         (call_expr_arg): Declare.
2165         (call_expr_argp): Declare.
2166         (call_expr_arglist): Declare.
2167         (fold_build_call_list): Declare.
2168         (fold_build_call_list_initializer): Declare.
2169         (fold_call_expr): Declare to replace fold_builtin.
2170         (fold_builtin_fputs): Update to agree with modified definition.
2171         (fold_builtin_strcpy): Likewise.
2172         (fold_builtin_strncpy): Likewise.
2173         (fold_builtin_memory_chk): Likewise.
2174         (fold_builtin_stxcpy_chk): Likewise.
2175         (fold_builtin_strncpy_chk): Likewise.
2176         (fold_builtin_next_arg): Likewise.
2177         (fold_build_call_expr): Declare.
2178         (fold_builtin_call_list): Declare.
2179         (fold_builtin_call_valist): Declare.
2180         (build_call_expr): Declare.
2181         (validate_arglist): Update to agree with modified definition.
2182         (tree_operand_length): New.
2183         (call_expr_arg_iterator): New.
2184         (init_call_expr_arg_iterator): New.
2185         (next_call_expr_arg): New.
2186         (first_call_expr_arg): New.
2187         (more_call_expr_args_p): New.
2188         (FOR_EACH_CALL_EXPR_ARG): New.
2189
2190         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
2191         and tcc_gimple_stmt.
2192         (tree_code_size): Update documentation.  Use sizeof (tree) rather
2193         than sizeof (char *).
2194         (tree_size): Likewise.  Add case for tcc_vl_exp.
2195         (tree_node_structure): Add case for tcc_vl_exp.
2196         (contains_placeholder_p): Likewise.
2197         (substitute_in_expr): Likewise.
2198         (substitute_placeholder_in_expr): Likewise.
2199         (stabilize_reference_1): Likewise.
2200         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
2201         to diagnose breakage of this interface for constructing CALL_EXPRs.
2202         (build_nt): Add similar assertion here.
2203         (build_nt_call_list): New.
2204         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
2205         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
2206         TREE_CODE_LENGTH.
2207         (get_callee_fndecl): Use new CALL_EXPR accessors.
2208         (tree_operand_check_failed): Change parameters to pass entire node
2209         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
2210         (process_call_operands): New.
2211         (build_vl_exp_stat): New.
2212         (build_call_list): New.
2213         (build_call_nary): New.
2214         (build_call_valist): New.
2215         (build_call_array): New.
2216         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
2217         (call_expr_arglist): New.
2218
2219         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
2220         tcc_vl_exp instead of a fixed-size tcc_expression.
2221
2222         * doc/c-tree.texi (CALL_EXPR): Document new representation and
2223         accessors for CALL_EXPRs.
2224         (AGGR_INIT_EXPR): Likewise.
2225
2226 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
2227             Brooks Moses  <brooks.moses@codesourcery.com>
2228             Lee Millward  <lee.millward@codesourcery.com>
2229
2230         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
2231         (expand_builtin_nonlocal_goto): Change parameter to be entire
2232         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
2233         (expand_builtin_prefetch): Likewise.
2234         (expand_builtin_classify_type): Likewise.
2235         (mathfn_built_in): Return NULL_TREE instead of 0.
2236         (expand_errno_check): Use new CALL_EXPR accessors.
2237         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
2238         Return NULL_RTX instead of 0.
2239         (expand_builtin_mathfn_2): Likewise.
2240         (expand_builtin_mathfn_3): Likewise.
2241         (expand_builtin_interclass_mathfn): Likewise.
2242         (expand_builtin_sincos): Likewise.
2243         (expand_builtin_cexpi): Likewise.
2244         (expand_builtin_int_roundingfn): Likewise.
2245         (expand_builtin_int_roundingfn_2): Likewise.
2246         (expand_builtin_pow): Likewise.
2247         (expand_builtin_powi): Likewise.
2248         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
2249         of arglist, fixing callers appropriately.  Use new CALL_EXPR
2250         accessors and constructors.  Return NULL_RTX instead of 0.
2251         (expand_builtin_strstr): Likewise.
2252         (expand_builtin_strchr): Likewise.
2253         (expand_builtin_strrchr): Likewise.
2254         (expand_builtin_strpbrk): Likewise.
2255         (expand_builtin_memcpy): Likewise.
2256         (expand_builtin_mempcpy): Likewise.
2257         (expand_builtin_mempcpy_args): New.
2258         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
2259         (expand_builtin_memmove_args): New.
2260         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
2261         (expand_movstr): Likewise.
2262         (expand_builtin_strcpy): Likewise.
2263         (expand_builtin_strcpy_args): New.
2264         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
2265         (expand_builtin_strncpy): Likewise.
2266         (expand_builtin_memset): Likewise.
2267         (expand_builtin_memset_args): New.
2268         (expand_builtin_bzero): Similarly to expand_builtin_memset.
2269         (expand_builtin_memcmp): Likewise.
2270         (expand_builtin_strcmp): Likewise.
2271         (expand_builtin_strncmp): Likewise.
2272         (expand_builtin_strcat): Likewise.
2273         (expand_builtin_strncat): Likewise.
2274         (expand_builtin_strspn): Likewise.
2275         (expand_builtin_strcspn): Likewise.
2276         (expand_builtin_args_info): Likewise.
2277         (expand_builtin_va_start): Likewise.
2278         (gimplify_va_arg_expr): Likewise.
2279         (expand_builtin_va_end): Likewise.
2280         (expand_builtin_va_copy): Likewise.
2281         (expand_builtin_frame_address): Likewise.
2282         (expand_builtin_alloca): Likewise.
2283         (expand_builtin_bswap): Likewise.
2284         (expand_builtin_unop): Likewise.
2285         (expand_builtin_fputs): Likewise.
2286         (expand_builtin_expect): Likewise.
2287         (expand_builtin_fabs): Likewise.
2288         (expand_builtin_copysign): Likewise.
2289         (expand_builtin_printf): Likewise.
2290         (expand_builtin_fprintf): Likewise.
2291         (expand_builtin_sprintf): Likewise.
2292         (expand_builtin_init_trampoline): Likewise.
2293         (expand_builtin_signbit): Likewise.
2294         (expand_builtin_fork_or_exec): Likewise.
2295         (expand_builtin_sync_operation): Likewise.
2296         (expand_builtin_compare_and_swap): Likewise.
2297         (expand_builtin_lock_test_and_set): Likewise.
2298         (expand_builtin_lock_release): Likewise.
2299         (expand_builtin): Likewise.
2300         (builtin_mathfn_code): Likewise.
2301
2302         (fold_builtin_constant_p): Pass call arguments individually instead
2303         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
2304         accessors and constructors.  Return NULL_TREE instead of 0.
2305         (fold_builtin_expect): Likewise.
2306         (fold_builtin_classify_type): Likewise.
2307         (fold_builtin_strlen): Likewise.
2308         (fold_builtin_nan): Likewise.
2309         (integer_valued_real_p): Likewise.
2310         (fold_trunc_transparent_mathfn): Likewise.
2311         (fold_fixed_mathfn): Likewise.
2312         (fold_builtin_cabs): Likewise.
2313         (fold_builtin_sqrt): Likewise.
2314         (fold_builtin_cbrt): Likewise.
2315         (fold_builtin_cos): Likewise.
2316         (fold_builtin_cosh): Likewise.
2317         (fold_builtin_tan): Likewise.
2318         (fold_builtin_sincos): Likewise.
2319         (fold_builtin_cexp): Likewise.
2320         (fold_builtin_trunc): Likewise.
2321         (fold_builtin_floor): Likewise.
2322         (fold_builtin_ceil): Likewise.
2323         (fold_builtin_round): Likewise.
2324         (fold_builtin_int_roundingfn): Likewise.
2325         (fold_builtin_bitop): Likewise.
2326         (fold_builtin_bswap): Likewise.
2327         (fold_builtin_logarithm): Likewise.
2328         (fold_builtin_hypot): Likewise.
2329         (fold_builtin_pow): Likewise.
2330         (fold_builtin_powi): Likewise.
2331         (fold_builtin_exponent): Likewise.
2332         (fold_builtin_memset): Likewise.
2333         (fold_builtin_bzero): Likewise.
2334         (fold_builtin_memory_op): Likewise.
2335         (fold_builtin_bcopy): Deleted; call site changed to invoke
2336         fold_builtin_memory_op directly.
2337         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
2338         (fold_builtin_strncpy): Likewise.
2339         (fold_builtin_memcmp): Likewise.
2340         (fold_builtin_strcmp): Likewise.
2341         (fold_builtin_strncmp): Likewise.
2342         (fold_builtin_signbit): Likewise.
2343         (fold_builtin_copysign): Likewise.
2344         (fold_builtin_isascii): Likewise.
2345         (fold_builtin_toascii): Likewise.
2346         (fold_builtin_isdigit): Likewise.
2347         (fold_builtin_fabs): Likewise.
2348         (fold_builtin_abs): Likewise.
2349         (fold_builtin_fmin_fmax): Likewise.
2350         (fold_builtin_carg): Likewise.
2351         (fold_builtin_classify): Likewise.
2352         (fold_builtin_unordered_cmp): Likewise.
2353
2354         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
2355         New functions split out from fold_builtin_1.
2356         (fold_builtin_n): New.
2357         (fold_builtin_varargs): New.
2358         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
2359         instead.
2360         (fold_call_expr): New.
2361         (build_function_call_expr): Rewrite to use new helper function.
2362         (fold_builtin_call_list): New.
2363         (build_call_expr): New.
2364         (fold_builtin_call_valist): New.
2365         (rewrite_call_expr): New.
2366         (validate_arg): New.
2367         (validate_arglist): Change parameter to be entire CALL_EXPR instead
2368         of an arglist.  Change return type to bool.  Use new CALL_EXPR
2369         accessors.
2370
2371         (fold_builtin_strstr):  Pass call arguments individually instead
2372         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
2373         accessors and constructors.  Return NULL_TREE instead of 0.
2374         (fold_builtin_strchr): Likewise.
2375         (fold_builtin_strrchr): Likewise.
2376         (fold_builtin_strpbrk): Likewise.
2377         (fold_builtin_strcat): Likewise.
2378         (fold_builtin_strncat): Likewise.
2379         (fold_builtin_strspn): Likewise.
2380         (fold_builtin_strcspn): Likewise.
2381         (fold_builtin_fputs): Likewise.
2382         (fold_builtin_next_arg): Likewise.
2383         (fold_builtin_sprintf): Likewise.
2384
2385         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
2386         NULL_RTX instead of 0.
2387         (expand_builtin_memory_chk): Likewise.
2388         (maybe_emit_chk_warning): Likewise.
2389         (maybe_emit_sprintf_chk_warning): Likewise.
2390
2391         (fold_builtin_object_size): Pass call arguments individually instead
2392         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
2393         accessors and constructors.  Return NULL_TREE instead of 0.
2394         (fold_builtin_memory_chk): Likewise.
2395         (fold_builtin_stxcpy_chk): Likewise.
2396         (fold_builtin_strncpy_chk): Likewise.
2397         (fold_builtin_strcat_chk): Likewise.
2398         (fold_builtin_strcat_chk): Likewise.
2399         (fold_builtin_strncat_chk): Likewise.
2400         (fold_builtin_sprintf_chk): Likewise.
2401         (fold_builtin_snprintf_chk): Likewise.
2402         (fold_builtin_printf): Likewise.
2403         (fold_builtin_vprintf): Likewise.
2404
2405         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
2406         constructors.
2407         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
2408         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
2409         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
2410         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
2411         (fold_unary): Likewise.
2412         (fold_binary): Likewise.
2413         (fold_ternary): Remove CALL_EXPR case, since they are no longer
2414         ternary expressions.
2415         (fold): Add logic for tcc_vl_exp.
2416         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
2417         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
2418         (fold_build3_stat): Add assertion to flag broken interface for
2419         constructing CALL_EXPRs.
2420         (fold_build_call_list): New.
2421         (fold_build_call_list_initializer): New.
2422         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
2423         constructors.
2424         (fold_strip_sign_ops): Likewise.
2425
2426 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
2427             Brooks Moses  <brooks.moses@codesourcery.com>
2428             Lee Millward  <lee.millward@codesourcery.com>
2429
2430         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
2431         accessors and dump arguments explicitly.
2432
2433         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
2434         TREE_CODE_LENGTH.
2435         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
2436         explicitly.
2437         (print_call_name): Use new CALL_EXPR accessors.
2438
2439         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
2440         CALL_EXPR arguments explicitly instead of as a list.  Use
2441         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
2442
2443         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
2444         (vrp_visit_stmt): Likewise.
2445
2446         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
2447         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
2448         TREE_CODE_LENGTH.
2449         (force_move_till_expr): Likewise.
2450
2451         * targhooks.c (default_external_stack_protect_fail): Use
2452         build_call_expr instead of build_function_call_expr.
2453         (default_hidden_stack_protect_fail): Likewise.
2454
2455         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
2456         build the call.
2457
2458         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
2459         and walk arguments explicitly.
2460
2461         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
2462         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
2463         (expand_simple_operations): Likewise.
2464         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
2465
2466         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
2467         of TREE_CODE_LENGTH.
2468         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
2469
2470         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
2471         instead of TREE_CODE_LENGTH.
2472
2473         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
2474         (tree_ic_transform): Likewise.
2475         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
2476         parameter instead of arglist.  Fix callers.
2477         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
2478         (tree_stringops_transform): Likewise.
2479         (tree_indirect_call_to_profile): Likewise.
2480         (tree_stringops_values_to_profile): Likewise.
2481
2482         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
2483         (eliminate_tail_call): Likewise.
2484
2485         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
2486
2487         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
2488         Use TREE_OPERAND_LENGTH and generalize to handle any number of
2489         operands.
2490         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
2491
2492         * omp-low.c (build_omp_barrier): Use build_call_expr.
2493         (lower_rec_input_clauses): Likewise.
2494         (lower_reduction_clauses): Likewise.
2495         (expand_parallel_call): Likewise.
2496         (maybe_catch_exception): Likewise.
2497         (expand_omp_for_generic): Likewise.
2498         (expand_omp_for_static_nochunk): Likewise.
2499         (expand_omp_sections): Likewise.
2500         (lower_omp_single_simple): Likewise.
2501         (lower_omp_single_copy): Likewise.
2502         (lower_omp_master): Likewise.
2503         (lower_omp_ordered): Likewise.
2504         (lower_omp_critical): Likewise.
2505
2506         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
2507         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
2508
2509         * tree-gimple.c (is_gimple_call_addr): Fix doc.
2510         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
2511         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
2512
2513         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
2514         and generalize to handle any number of operands.
2515         (chrec_contains_undetermined): Likewise.
2516         (tree_contains_chrecs): Likewise.
2517         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
2518
2519         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
2520
2521         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
2522         fold_call_expr instead of fold_builtin.
2523         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
2524         match declarations there.
2525         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
2526         updates.
2527
2528         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
2529         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
2530
2531         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
2532         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
2533
2534         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
2535         accessors.
2536
2537         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
2538         (execute_cse_sincos): Use new CALL_EXPR accessors.
2539
2540         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
2541
2542         * gimple-low.c (lower_function_body): Use build_call_expr.
2543         (lower_builtin_setjmp): Likewise.
2544
2545         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
2546         (set_storage_via_libcall): Likewise.
2547         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
2548         instead of TREE_CODE_LENGTH.
2549         (expand_expr_real_1): Use new CALL_EXPR accessors.
2550
2551         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
2552         generalize to handle any number of operands.
2553         (TB_parent_eq): Likewise.
2554
2555         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
2556         (strip_builtin_expect): Likewise.
2557
2558         * function.c (gimplify_parameters): Use build_call_expr.
2559
2560         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
2561         instead of TREE_CODE_LENGTH.
2562
2563         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
2564         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
2565
2566         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
2567         iterators.
2568
2569         * gimplify.c (build_stack_save_restore): Use build_call_expr.
2570         (gimplify_decl_expr): Likewise.
2571         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
2572         Use new CALL_EXPR iterators.
2573         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
2574         (gimplify_modify_expr_to_memset): Likewise.
2575         (gimplify_variable_sized_compare): Likewise.
2576         (gimplify_omp_atomic_fetch_op): Likewise.
2577         (gimplify_omp_atomic_pipeline): Likewise.
2578         (gimplify_omp_atomic_mutex): Likewise.
2579         (gimplify_function_tree): Likewise.
2580
2581         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
2582         (call_expr_flags): Likewise.
2583         (expand_call): Likewise.
2584
2585         * except.c (expand_builtin_eh_return_data_regno): Pass entire
2586         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
2587         accessors.
2588
2589         * coverage.c (create_coverage): Use build_call_expr.
2590
2591         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
2592         (temp_call_expr_obstack): New.
2593         (pool_copy_list): Delete.
2594         (temp_copy_call_expr): New.
2595         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
2596         CALL_EXPR accessors.  Get rid of special goo for copying argument
2597         lists and use temp_copy_call_expr instead.
2598         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
2599         CALL_EXPR accessors.
2600         (create_expression_by_pieces): Likewise.  Use build_call_array
2601         to construct the result instead of fold_build3.
2602         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
2603         dealing with argument lists.
2604         (init_pre): Remove references to expression_node_pool and
2605         list_node_pool.  Init temp_call_expr_obstack instead.
2606         (fini_pre): Remove references to expression_node_pool and
2607         list_node_pool.
2608
2609         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
2610         and walk arguments explicitly instead of as a list.
2611
2612         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
2613         (mx_register_decls): Likewise.
2614         (mudflap_register_call): Likewise.
2615         (mudflap_finish_file): Likewise.
2616
2617         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
2618         (ipa_callsite_compute_param): Likewise.
2619
2620         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
2621         accessors and constructor.
2622
2623         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
2624         accessors and constructor.
2625         (convert_tramp_reference): Likewise.
2626         (convert_call_expr): Likewise.
2627         (finalize_nesting_tree_1): Likewise.
2628
2629         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
2630         accessors.
2631
2632         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
2633
2634         * tree-inline.c (initialize_inlined_parameters): Pass entire
2635         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
2636         accessors.
2637         (estimate_num_insns_1): Use new CALL_EXPR accessors.
2638         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
2639
2640         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
2641         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
2642         (vectorizable_reduction): Likewise.
2643         (vectorizable_call): Use new CALL_EXPR iterators.
2644         (vectorizable_conversion): Use build_call_expr.
2645         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
2646         (vect_gen_widened_results_half): Use build_call_expr.
2647         (vect_setup_realignment): Likewise.
2648         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
2649
2650         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
2651         (pass_through_call): Likewise.
2652         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
2653         fold_builtin.
2654
2655         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
2656         (tree_gen_pow2_profiler): Likewise.
2657         (tree_gen_one_value_profiler): Likewise.
2658         (tree_gen_ic_func_profiler): Likewise.
2659         (tree_gen_average_profiler): Likewise.
2660         (tree_gen_ior_profiler): Likewise.
2661
2662         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
2663         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
2664         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
2665
2666         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
2667         of TREE_CODE_LENGTH.
2668
2669         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
2670         of TREE_CODE_LENGTH.
2671
2672         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
2673         constructor.
2674         (convert_to_integer): Likewise.
2675
2676         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
2677         accessors.
2678
2679 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
2680             Brooks Moses  <brooks.moses@codesourcery.com>
2681             Lee Millward  <lee.millward@codesourcery.com>
2682
2683         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
2684         accessors.
2685         * config/frv/frv.c (frv_expand_builtin): Likewise.
2686         * config/s390/s390.c (s390_expand_builtin): Likewise.
2687
2688         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
2689         (sparc_expand_builtin): Use new CALL_EXPR accessors.
2690
2691         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
2692         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
2693         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
2694         (ix86_expand_store_builtin): Likewise.
2695         (ix86_expand_unop_builtin): Likewise.
2696         (ix86_expand_unop1_builtin): Likewise.
2697         (ix86_expand_sse_compare): Likewise.
2698         (ix86_expand_sse_comi): Likewise.
2699         (ix86_expand_vec_init_builtin): Likewise.
2700         (ix86_expand_vec_ext_builtin): Likewise.
2701         (ix86_expand_vec_set_builtin): Likewise.
2702         (ix86_expand_builtin): Use new CALL_EXPR accessors.
2703
2704         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
2705         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
2706
2707         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
2708         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
2709         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
2710
2711         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
2712         build_call_expr.
2713         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
2714         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
2715         arglist.  Use new CALL_EXPR accessors.  Fix callers.
2716         (altivec_expand_abs_builtin): Likewise.
2717         (rs6000_expand_binop_builtin): Likewise.
2718         (altivec_expand_predicate_builtin): Likewise.
2719         (altivec_expand_lv_builtin): Likewise.
2720         (spe_expand_stv_builtin): Likewise.
2721         (altivec_expand_stv_builtin): Likewise.
2722         (rs6000_expand_ternop_builtin): Likewise.
2723         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
2724         (altivec_expand_st_builtin): Likewise.
2725         (altivec_expand_dst_builtin): Likewise.
2726         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
2727         arglist.  Use new CALL_EXPR accessors.  Fix callers.
2728         (altivec_expand_vec_set_builtin): Likewise.
2729         (altivec_expand_vec_ext_builtin): Likewise.
2730         (altivec_expand_builtin): Use new CALL_EXPR accessors.
2731         (spe_expand_builtin): Likewise.
2732         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
2733         arglist.  Use new CALL_EXPR accessors.  Fix callers.
2734         (spe_expand_evsel_builtin): Likewise.
2735         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
2736         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
2737
2738         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
2739         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
2740         (arm_expand_unop_builtin): Likewise.
2741         (arm_expand_builtin): Use new CALL_EXPR accessors.
2742
2743         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
2744         accessors.
2745
2746         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
2747         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
2748         (bfin_expand_unop_builtin): Likewise.
2749         (bfin_expand_builtin): Use new CALL_EXPR accessors.
2750
2751 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
2752             Brooks Moses  <brooks.moses@codesourcery.com>
2753             Lee Millward  <lee.millward@codesourcery.com>
2754
2755         * c-semantics.c (build_stmt): Add internal diagnostic check.
2756
2757         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
2758         accessors.  Print arguments explicitly instead of as a list.
2759
2760         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
2761
2762         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
2763         (c_finish_omp_flish): Likewise.
2764
2765         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
2766         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
2767         instead of TREE_CODE_LENGTH.
2768         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
2769         (c_warn_unused_result): Likewise.
2770
2771 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2772
2773         PR c/26494
2774         * doc/invoke.texi (Warning Options): Remove
2775         -Werror-implicit-function-declaration.
2776         (Wimplicit-function-declaration): Update description.
2777         * opts.c (common_handle_option): Move handling of -Werror=* to...
2778         (enable_warning_as_error): ...here.
2779         * opts.h (enable_warning_as_error): Declare.
2780         * c-decl.c (implicit_decl_warning): Unless
2781         -Wno-implicit-function-declaration is given, emit a pedwarn if
2782         -std=c99 or emit a warning if -Wimplicit-function-declaration.
2783         * c.opt (Wimplicit-function-declaration): Replace
2784         mesg_implicit_function_declaration with
2785         warn_implicit_function_declaration.
2786         * c-opts.c (c_common_handle_option):
2787         -Werror-implicit-function-declaration is exactly equal as
2788         -Werror=implicit-function-declaration.
2789         (set_Wimplicit): Replace mesg_implicit_function_declaration with
2790         warn_implicit_function_declaration.
2791         (c_common_post_options): -Wimplict-function-declaration is enabled
2792         by default by -std=c99, otherwise is disabled by default.
2793         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
2794
2795 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
2796
2797         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
2798         DECL on the rhs to a DECL on the lhs for debug info purposes if the
2799         former is ignored but not the latter.
2800
2801 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
2802
2803         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
2804         is made and the reference doesn't use the alias set of its type,
2805         do not create the temporary using that type.
2806
2807 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
2808
2809         * jump.c: Remove prototypes for delete_computation and
2810         delete_prior_computation.
2811
2812 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
2813
2814         * jump.c (get_label_after): Delete.
2815         (get_label_before, delete_computation, delete_jump,
2816         delete_prior_computation, follow_jumps): Move...
2817         * reorg.c (delete_computation, delete_prior_computation): ... here...
2818         (get_label_before, delete_jump): ... making these static ...
2819         (follow_jumps): ... and simplifying this since it only runs after
2820         reload.
2821         * rtl.h (get_label_after, get_label_before, delete_jump,
2822         follow_jumps): Delete prototypes.
2823
2824 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
2825
2826         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
2827
2828 2007-02-15  Nick Clifton  <nickc@redhat.com>
2829
2830         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
2831         order to prevent it from being munged by the target.
2832
2833 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
2834
2835         * config/i386/i386.md: Remove misleading comment.
2836
2837 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
2838
2839         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
2840         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
2841         invalid patterns.
2842
2843 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
2844
2845         * tree-sra.c (instantiate_missing_elements): Canonicalize
2846         bit-field types.
2847         (sra_build_assignment): New.
2848         (generate_copy_inout, generate_element_copy,
2849         generate_element_zero, generate_one_element_init): Use it.
2850
2851 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
2852
2853         * tree-sra.c (instantiate_missing_elements): Canonicalize
2854         bit-field types.
2855         (sra_build_assignment): New.
2856         (generate_copy_inout, generate_element_copy,
2857         generate_element_zero, generate_one_element_init): Use it.
2858
2859 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
2860
2861         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
2862         limbo die nodes.
2863
2864 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
2865
2866         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
2867         types as aggregates not scalars.
2868         * function.c (assign_stack_temp_for_type): Likewise.
2869
2870 2007-02-14  Roger Sayle  <roger@eyesopen.com>
2871             Zdenek Dvorak  <dvorakz@suse.cz>
2872
2873         * tree-dump.c (dump_switch_p_1): Require exact match of the option
2874         name.
2875
2876 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
2877
2878         * passes.c (next_pass_1): Clear the next field of the copied
2879         pass structure.
2880
2881 2007-02-14  Richard Henderson  <rth@redhat.com>
2882
2883         * tree-sra.c (early_sra): New.
2884         (decl_can_be_decomposed_p): Deny va_list if early_sra.
2885         (tree_sra_early, pass_sra_early): New.
2886         * tree-pass.h (pass_sra_early): Declare.
2887         * passes.c (init_optimization_passes): Use it.
2888
2889 2007-02-14  Richard Guenther  <rguenther@suse.de>
2890
2891         * flags.h (issue_strict_overflow_warning): Convert to a macro.
2892
2893 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
2894
2895          PR tree-optimization/30771
2896         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
2897         also phi nodes.
2898         (vect_analyze_operations): Induction phis can now be marked as
2899         used_in_loop.
2900         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
2901         Update documentation accordingly.
2902
2903 2007-02-14  Nick Clifton  <nickc@redhat.com>
2904
2905         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
2906         most 3 arguments are supported.
2907         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
2908
2909 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
2910
2911         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
2912         Ensure dst->current is valid.
2913
2914 2007-02-13  Paul Brook  <paul@codesourcery.com>
2915
2916         * config.gcc: Add arm*-*-uclinux-*eabi.
2917         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
2918         (SUBTARGET_EXTRA_LINK_SPEC): Define.
2919         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
2920         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
2921         (LINK_SPEC): Define.
2922         (LIB_SPEC): Define.
2923         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
2924         register.
2925         * config/arm/uclinux-eabi.h: New file.
2926         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
2927         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
2928         based targets.
2929
2930 2007-02-13  Ian Lance Taylor  <iant@google.com>
2931
2932         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
2933         * flags.h (warn_strict_overflow): Declare.
2934         (enum warn_strict_overflow_code): Define.
2935         (issue_strict_overflow_warning): New static inline function.
2936         * opts.c (warn_strict_overflow): New variable.
2937         (common_handle_option): Handle OPT_Wstrict_overflow and
2938         OPT_Wstrict_overflow_.
2939         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
2940         OPT_Wall.
2941         * fold-const.c: Include intl.h.
2942         (fold_deferring_overflow_warnings): New static variable.
2943         (fold_deferred_overflow_warning): New static variable.
2944         (fold_deferred_overflow_code): New static variable.
2945         (fold_defer_overflow_warnings): New function.
2946         (fold_undefer_overflow_warnings): New function.
2947         (fold_undefer_and_ignore_overflow_warnings): New function.
2948         (fold_deferring_overflow_warnings_p): New function.
2949         (fold_overflow_warning): New static function.
2950         (make_range): Add strict_overflow_p parameter.  Change all
2951         callers.
2952         (extract_muldiv, extract_muldiv_1): Likewise.
2953         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
2954         tree_expr_nonnegative_p.
2955         (fold_negate_expr): Call fold_overflow_warning.
2956         (fold_range_test): Likewise.
2957         (fold_comparison): Likewise.
2958         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
2959         instead of tree_expr_nonnegative_p.
2960         (tree_expr_nonnegative_warnv_p): Rename from
2961         tree_expr_nonnegative_p, add strict_overflow_p parameter.
2962         (tree_expr_nonnegative_p): New function.
2963         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
2964         strict_overflow_p parameter.
2965         (tree_expr_nonzero_p): New function.
2966         * passes.c (verify_interpass_invariants): New static function.
2967         (execute_one_pass): Call it.
2968         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
2969         warnings.
2970         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
2971         (estimate_numbers_of_iterations): Likewise.
2972         (scev_probably_wraps_p): Likewise.
2973         * tree-ssa-ccp.c: Include "toplev.h".
2974         (evaluate_stmt): Defer fold overflow warnings until we know we are
2975         going to optimize.
2976         (struct fold_stmt_r_data): Add stmt field.
2977         (fold_stmt_r): Defer fold overflow warnings until we know we
2978         optimized.
2979         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
2980         (fold_stmt_inplace): Likewise.
2981         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
2982         (cleanup_control_expr_graph): Defer fold overflow warnings until
2983         we know we are going to optimize.
2984         * tree-cfg.c (fold_cond_expr_cond): Likewise.
2985         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
2986         Likewise.
2987         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
2988         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
2989         * tree-ssa-loop-manip.c (create_iv): Likewise.
2990         * c-typeck.c (build_conditional_expr): Likewise.
2991         (build_binary_op): Likewise.
2992         * tree-vrp.c (vrp_expr_computes_nonzero): Call
2993         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
2994         (extract_range_from_unary_expr): Likewise.
2995         * simplify-rtx.c (simplify_const_relational_operation): Warn when
2996         assuming that signed overflow does not occur.
2997         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
2998         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
2999         (fold_defer_overflow_warnings): Declare.
3000         (fold_undefer_overflow_warnings): Declare.
3001         (fold_undefer_and_ignore_overflow_warnings): Declare.
3002         (fold_deferring_overflow_warnings_p): Declare.
3003         (tree_expr_nonzero_warnv_p): Declare.
3004         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
3005         of warning options.
3006         (Warning Options): Document -Wstrict-overflow.
3007         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
3008         (tree-ssa-ccp.o): Likewise.
3009         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
3010         (fold-const.o): Depend on intl.h.
3011
3012 2007-02-13  Ian Lance Taylor  <iant@google.com>
3013
3014         PR middle-end/30751
3015         * lower-subreg.c (resolve_simple_move): Decompose subregs in
3016         addresses.
3017
3018 2007-02-13  Stuart Hastings  <stuart@apple.com>
3019
3020         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
3021
3022 2007-02-13  Richard Henderson  <rth@redhat.com>
3023
3024         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
3025         handled_component_p before looking for the indirect_ref.
3026
3027 2007-02-13  Richard Henderson  <rth@redhat.com>
3028
3029         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
3030         remove flags clobber.
3031         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
3032         (bswaphi_lowpart): New.
3033         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
3034         remove TARGET_BSWAP test.  Delete expander of the same name.
3035
3036         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
3037         (expand_unop): Use them.
3038
3039 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
3040
3041         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
3042         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
3043         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
3044         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
3045         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
3046         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
3047         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
3048         assembler dialect choice from asm templates.
3049
3050 2007-02-12  Richard Henderson  <rth@redhat.com>
3051
3052         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
3053         (fixuns_trunc<SSEMODEF>si2): Use it.
3054         * config/i386/sse.md (vec_setv4sf_0): Export.
3055         * config/i386/i386.c (ix86_build_const_vector): Export.
3056         (ix86_split_convert_uns_si_sse): Rename from
3057         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
3058         * config/i386/i386-protos.h: Update.
3059
3060 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3061
3062         PR c/29521
3063         * c-typeck.c (c_finish_return): Improve warning message.
3064
3065 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3066
3067         * alias.c (find_symbolic_term): Delete unused function.
3068
3069 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
3070
3071         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
3072         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
3073         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
3074
3075 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
3076
3077         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
3078         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
3079         the function, temporarily point the debug interface to the null one.
3080
3081 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
3082
3083         * dwarf2out.c (round_up_to_align): New static function.
3084         (field_byte_offset): Use it to round the offset.
3085
3086 2007-02-12  Richard Henderson  <rth@redhat.com>
3087
3088         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
3089         (inswl_const): Export.
3090
3091 2007-02-12  Richard Henderson  <rth@redhat.com>
3092
3093         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
3094         result mode of the libcall, convert back to outmode.
3095
3096 2007-02-12  Roger Sayle  <roger@eyesopen.com>
3097
3098         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
3099         (bswapdi2): New define_expand to implement 32-bit implementation.
3100
3101 2007-02-12  Nick Clifton  <nickc@redhat.com>
3102
3103         * doc/invoke.texi (Overall Options): Document --help=.
3104         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
3105         (cc1_options): Pass --help= on to cc1.
3106         (display_help): Add description of --help=.
3107         (process_command): Add code to handle --help=.  Allow translated
3108         --help and --target-help switches to be passed on to compiler
3109         sub-process.
3110         (main): Remove unused if statement.
3111         * opts.c (columns): Remove.
3112         (LEFT_COLUMN): Define.
3113         (wrap_help): Add columns argument.
3114         (print_filtered_help): Change parameters to be an include bitmask,
3115         an exclude bitmask, an any bitmask and the column width.  Move the
3116         code to display the params list here.  Add code to display the
3117         status of options rather than their descriptions if the quiet flag
3118         is not active.
3119         (print_specific_help): Change parameters to be an include bitmask,
3120         an exclude bitmask and an any bitmask.  Move code to look up the
3121         column width here.  Decide upon the title for an options listing.
3122         (common_handle_options): Add code to handle --help=.  Adapt code
3123         for --help and --target-help to use the revised form of the
3124         print_specific_help function.
3125         (print_help): Delete.
3126         (print_param_help): Delete.
3127         (print_switch): Delete.
3128         * opts.h (cl_lang_count): Add prototype.
3129         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
3130         CL_MAX_OPTION_CLASS): New defines.
3131         * optc-gen.awk: Add construction of cl_lang_count.
3132         * c.opt: Add Warning attribute to warning options and Optimization
3133         attribute to optimization options.
3134         * common.opt: Likewise.
3135         Add --help=.
3136         Add -fhelp and -ftarget-help as aliases for the transformed --help
3137         and --target-help options.
3138         * opt-functions.awk: Add code to handle Warning and Optimization
3139         attributes.
3140
3141 2007-02-12  Richard Henderson  <rth@redhat.com>
3142
3143         * config/alpha/constraints.md: New file.
3144         * config/alpha/alpha.c: Include tm-constrs.h.
3145         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
3146         alpha_extra_constraint): Remove.
3147         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
3148         * config/alpha/alpha-protos.h: Update.
3149         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
3150         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
3151         (EXTRA_CONSTRAINT): Remove.
3152         * config/alpha/alpha.md: Include constraints.md.
3153         (adddi splitter): Use satisfies_constraint_*.
3154         * config/alpha/predicates.md (add_operand): Likewise.
3155         (sext_add_operand, addition_operation): Likewise.
3156
3157 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
3158
3159         PR tree-optimization/29145
3160         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
3161         in our handling of restrict qualified pointers.
3162
3163 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3164
3165         PR middle-end/7651
3166         * doc/invoke.texi (Wunused-value): Update description.
3167         (Wextra): Delete item.
3168         * opts.c (set_Wextra): Don't use the value of Wextra to set the
3169         value of Wunused-value.
3170         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
3171         (c_finish_stmt_expr): Don't check extra_warnings.
3172         (emit_side_effect_warnings): The caller is responsible to check
3173         warn_unused_value.
3174
3175 2007-02-11  Roger Sayle  <roger@eyesopen.com>
3176             Matt Thomas  <matt@3am-software.com>
3177
3178         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
3179
3180 2007-02-11  Roger Sayle  <roger@eyesopen.com>
3181
3182         * simplify-rtx.c (simplify_relational_operation_1): Optimize
3183         comparisons of POPCOUNT against zero.
3184         (simplify_const_relational_operation): Likewise.
3185
3186 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3187
3188         * doc/invoke.texi (Wextra): Delete outdated paragraph.
3189
3190 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3191
3192         * dwarf2out.c (root_type): Delete unused function.
3193
3194 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3195
3196         * genattrtab.c (contained_in_p): Delete unused function.
3197         (write_expr_attr_cache): Likewise.
3198
3199 2007-02-11  Jan Hubicka  <jh@suse.cz>
3200
3201         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
3202         previous patch.
3203
3204 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
3205
3206         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
3207         to add the REG_EQ* note.
3208         * see.c (see_merge_one_use_extension): Likewise.
3209         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
3210         turn REG_EQUAL notes into REG_EQUIV notes if the target
3211         register may have more than one set.
3212         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
3213         * gcse.c (try_replace_reg): Likewise.
3214         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
3215         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
3216         more than one REG_EQUIV note.
3217         * reload1.c (gen_reload): Use set_unique_reg_note.
3218
3219 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
3220
3221         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
3222         (ix86_builtin_conversion): New function.
3223
3224 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
3225
3226         PR target/29487
3227         * tree.h (DECL_REPLACEABLE_P): New macro.
3228         * except.c (set_nothrow_function_flags): Likewise.
3229
3230 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
3231             Ira Rosen  <irar@il.ibm.com>
3232             Dorit Nuzman  <dorit@il.ibm.com>
3233
3234         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
3235         * targhooks.c (default_builtin_vectorized_conversion): New.
3236         * targhooks.h (default_builtin_vectorized_function): New declaration.
3237         * target.h (struct vectorize): Add builtin_conversion field.
3238         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
3239         stmt_vec_info_type value.
3240         (vectorizable_conversion): New declaration.
3241         * tree-vect-analyze.c (vect_analyze_operations): Add
3242         vectorizable_conversion call.
3243         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
3244         * tree-vect-transform.c (vectorizable_conversion): New function.
3245         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
3246         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
3247         mode.
3248         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
3249         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
3250         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
3251         or ALTIVEC_BUILTIN_VCFSX.
3252
3253 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3254
3255         PR target/30634
3256         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
3257         CONST_DOUBLE and operand 0 is a hard register.
3258         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
3259         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
3260         is a hard floating-point register.
3261
3262 2007-02-10  Richard Henderson  <rth@redhat.com>
3263             Jakub Jelinek  <jakub@redhat.com>
3264             Alexandre Oliva  <aoliva@redhat.com>
3265
3266         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
3267         * builtin-types.def (BT_WORD): Make unsigned.
3268         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
3269         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
3270         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
3271         * c-decl.c (grokdeclarator): Don't error if !have_tls.
3272         * c-parser.c (c_parser_omp_threadprivate): Likewise.
3273         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
3274         emulated tls.
3275         * expr.c (emutls_var_address): New.
3276         (expand_expr_real_1): Expand emulated tls.
3277         (expand_expr_addr_expr_1): Likewise.
3278         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
3279         * output.h (emutls_finish): Declare.
3280         * toplev.c (compile_file): Call it.
3281         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
3282         address before wrapping in CONST.
3283         * varasm.c (emutls_htab, emutls_object_type): New.
3284         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
3285         (get_emutls_object_name, get_emutls_object_type): New.
3286         (get_emutls_init_templ_addr, emutls_decl): New.
3287         (emutls_common_1, emutls_finish): New.
3288         (assemble_variable): When emulating tls, swap decls; generate
3289         constructor for the emutls objects.
3290         (do_assemble_alias): When emulating tls, swap decl and target name.
3291         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
3292         for emulated tls.
3293         * varpool.c (decide_is_variable_needed): Look at force_output.
3294         Recurse for emulated tls.
3295         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
3296         with decide_is_variable_needed.
3297         * emutls.c: New file.
3298         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
3299         tls_object for real tls.
3300
3301 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
3302
3303         PR rtl-optimization/29599
3304         * reload1.c (eliminate_regs_in_insn): Take the destination
3305         mode into account when computing the offset.
3306
3307 2007-02-09  Stuart Hastings  <stuart@apple.com>
3308             Richard Henderson  <rth@redhat.com>
3309
3310         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
3311         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
3312         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
3313         fixuns_truncdfhi2): New.
3314         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
3315         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
3316         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
3317         (floatunssidf2): Allow nonimmediate source.
3318         * gcc/config/i386/sse.md (movdi_to_sse): New.
3319         (vec_concatv2di): Drop '*'.
3320         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
3321         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
3322         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
3323         New.
3324         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
3325         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
3326         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
3327         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
3328         (ix86_build_signbit_mask): Fix decl of v, refactor to call
3329         ix86_build_const_vector.
3330         (x86_emit_floatuns): Rewrite.
3331
3332 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3333
3334         * genautomata.c (longest_path_length): Delete unused function.
3335         (struct state): Delete unused longest_path_length.
3336         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
3337         (get_free_state): Delete unused.
3338
3339 2007-02-09  Jan Hubicka  <jh@suse.cz>
3340
3341         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
3342         * doc/invoke.texi (inline-unit-growth): Update default value.
3343
3344         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
3345         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
3346         (rebuild_cgraph_edges): Likewise.
3347         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
3348         (dump_cgraph_node): Dump frequencies.
3349         (cgraph_clone_edge): Add frequency scales.
3350         (cgraph_clone_node): Add freuqnecy.
3351         * cgraph.h (cgraph_edge): Add freuqnecy argument.
3352         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
3353         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
3354         * tree-pass.h (TODO_rebuild_frequencies): New constant.
3355         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
3356         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
3357         (save_inline_function_body): Likewise.
3358         * ipa-inline.c: inluce rtl.h
3359         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
3360         (cgraph_edge_badness): Use frequencies.
3361         (cgraph_decide_recursive_inlining): Update clonning.
3362         (cgraph_decide_inlining_of_small_function): Dump frequency.
3363         * predict.c (estimate_bb_frequencies): Export.
3364         * predict.h (estimate_bb_frequencies): Declare.
3365         * tree-inline.c (copy_bb): Watch overflows.
3366         (expand_call_inline): Update call of cgraph_create_edge.
3367         (optimize_inline_calls): Use TODO flags to update frequnecies.
3368         * passes.h: Include predict.h
3369         (init_optimization_passes): Move profile ahead.
3370         (execute_function_todo): Handle TODO_rebuild_frequencies.
3371
3372 2007-02-09  Roger Sayle  <roger@eyesopen.com>
3373
3374         * config/alpha/alpha.c (emit_insxl): Force the first operand of
3375         the insbl or inswl pattern into a register.
3376
3377 2007-02-09  Roger Sayle  <roger@eyesopen.com>
3378
3379         * config/ia64/ia64.md (bswapdi2): New define_insn.
3380
3381 2007-02-09  Richard Henderson  <rth@redhat.com>
3382
3383         * config/i386/constraints.md (Ym): New constraint.
3384         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
3385         (movdi_1_rex64): Split sse and xmm general register moves from
3386         memory move alternatives.  Use conditional register constraints.
3387         (movsf_1, movdf_integer): Likewise.
3388         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
3389         (movdf_integer_rex64): New.
3390         (pushsf_rex64): Fix output constraints.
3391         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
3392         (sse2_stored): Likewise.
3393         (sse2_storeq_rex64): New.
3394         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
3395         amd and not generic.
3396         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
3397         for optimize_size.  Remove SF/DFmode hack.
3398
3399 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3400
3401         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
3402         (bit_SSE4a): New.
3403
3404 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
3405             Richard Sandiford  <richard@codesourcery.com>
3406
3407         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
3408         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
3409         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
3410         m68k/t-mlib to tmake_file.
3411         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
3412         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
3413         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
3414         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
3415         variable is not empty, add t-$m68k_arch_family to tmake_file.
3416         Add t-mlibs to tmake_file.
3417         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
3418         * config/m68k/t-cf: New file.
3419         * config/m68k/t-m68k: Likewise.
3420         * config/m68k/t-mlibs: Likewise.
3421         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
3422         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
3423         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
3424         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
3425         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
3426         Delete.
3427         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
3428         (INSTALL_LIBGCC): Delete.
3429         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
3430         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
3431         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
3432         (M68K_MLIB_CPU): Define.
3433         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
3434         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
3435         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
3436
3437 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
3438             Richard Guenther  <rguenther@suse.de>
3439
3440         PR middle-end/23361
3441         * fold-const.c (fold_comparison): Handle obfuscated comparisons
3442         against INT_MIN/INT_MAX.
3443         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
3444         file if a loop is removed.
3445
3446 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
3447
3448         * calls.c (store_one_arg): Pass correct alignment to
3449         emit_push_insn for non-BLKmode values.
3450         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
3451         unaligned stack slot via a suitably aligned slot.
3452
3453 2007-02-08  DJ Delorie  <dj@redhat.com>
3454
3455         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
3456         warnings.
3457         (legal_subregs): Use unsigned char, make const.
3458         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
3459
3460 2007-02-08  Paul Brook  <paul@codesourcery.com>
3461
3462         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
3463         special interworking needed.
3464
3465 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
3466
3467         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
3468         conditional to __SSE2__.
3469         (Entries below should have been added to first ChangeLog
3470         entry for amdfam10 dated 2007-02-05)
3471         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
3472         defined.
3473         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
3474         defined.
3475         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
3476         defined.
3477
3478 2007-02-08  DJ Delorie  <dj@redhat.com>
3479
3480         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
3481         * config/m32c/m32c.c (legal_subregs): New.
3482         (m32c_illegal_subreg_p): New.
3483         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
3484         unsupported subregs of hard regs.
3485
3486 2007-02-08  Jan Hubicka  <jh@suse.cz>
3487
3488         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
3489         the same one; always update histograms.
3490
3491 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
3492
3493         * passes.c (init_optimization_passes): Tidy comment.
3494
3495 2007-02-08  Roger Sayle  <roger@eyesopen.com>
3496
3497         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
3498         strip zero_extend, bswap and rotates from POCOUNT's argument.
3499         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
3500         zero_extend and rotates from PARITY's argument.
3501         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
3502         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
3503         of an integer constant at compile-time.
3504
3505 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
3506
3507         PR 30562
3508         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
3509         Update all users.
3510         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
3511         users.
3512         (init_alias_info):
3513         * tree-ssa-live.c (remove_unused_locals): Do not remove
3514         TREE_ADDRESSABLE variables.
3515         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
3516         * tree-ssa-operands.c (add_virtual_operand): Remove argument
3517         FOR_CLOBBER.  Update all users.
3518         If VAR has an associated alias set, add a virtual operand for
3519         it if no alias is found to conflict with the memory reference.
3520
3521 2007-02-07  Jan Hubicka  <jh@suse.cz>
3522             Robert Kidd <rkidd@crhc.uiuc.edu>
3523
3524         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
3525
3526 2007-02-07  Ian Lance Taylor  <iant@google.com>
3527
3528         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
3529
3530 2007-02-07  Roger Sayle  <roger@eyesopen.com>
3531
3532         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
3533         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
3534         tablejumpdi, movsi_to_cr_one): Remove constraints from
3535         define_expand's match_operands.
3536
3537 2007-02-07  Roger Sayle  <roger@eyesopen.com>
3538
3539         * global.c (compute_regsets): Move declatation of "i" inside of
3540         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
3541
3542 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
3543
3544         PR c++/30703
3545         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
3546         of INDIRECT_REF <RESULT_DECL>.
3547
3548         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
3549
3550 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
3551             Kaz Kojima  <kkojima@gcc.gnu.org>
3552
3553         PR target/29746
3554         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
3555         properly.
3556         (sh_initialize_trampoline): Add parentheses to avoid a warning.
3557
3558 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
3559
3560         * doc/loop.texi: Document possibility not to perform disambiguation
3561         of loops with multiple latches.
3562         * cfgloopmanip.c (alp_enum_p): Removed.
3563         (add_loop): Handle subloops.  Use get_loop_body_with_size.
3564         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
3565         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
3566         the new forwarder block.
3567         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
3568         Handle the case latch is NULL.
3569         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
3570         when marking loop exits.
3571         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
3572         be modified.
3573         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
3574         disambiguate_loops_with_multiple_latches.
3575         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
3576         before fix_loop_structure.
3577         * cfgloop.c: Include pointer-set.h and output.h.
3578         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
3579         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
3580         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
3581         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
3582         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
3583         disambiguate_multiple_latches, get_loop_body_with_size,
3584         disambiguate_loops_with_multiple_latches): New functions.
3585         (flow_loop_dump): Dump multiple latch edges.
3586         (flow_loop_nodes_find): Handle loops with multiple latches.
3587         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
3588         (glb_enum_p): Modified.
3589         (get_loop_body): Use get_loop_body_with_size.
3590         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
3591         (AVOID_CFG_MODIFICATIONS): New constant.
3592         (disambiguate_loops_with_multiple_latches, add_loop,
3593         get_loop_body_with_size): Declare.
3594         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
3595
3596 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
3597
3598         PR inline-asm/28686
3599         * global.c (compute_regsets): New function.
3600         (global_alloc): Refactored ELIMINABLE_REGSET
3601         and NO_GLOBAL_ALLOC_REGS computation out.
3602         (rest_of_handle_global_alloc): Call compute_regsets()
3603         for non-optimizing case.
3604
3605 2007-02-06  Richard Henderson  <rth@redhat.com>
3606
3607         * config/i386/constraints.md (Y2): Rename from Y.
3608         (Yi): New constraint.
3609         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
3610         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
3611         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
3612         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
3613         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
3614         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
3615         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
3616         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
3617         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
3618         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
3619         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
3620         vec_extractv2si_1): Change Y constraints to Y2.
3621         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
3622         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
3623         Change Y constraints to Y2.
3624         (sse2_loadld): Change Y constraints to x.
3625
3626 2007-02-06  Roger Sayle  <roger@eyesopen.com>
3627
3628         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
3629         (parity<mode>2): New define_expand using rs6000_emit_parity.
3630         * config/rs6000/rs6000.c (rs6000_emit_popcount,
3631         rs6000_emit_parity): New functions.
3632         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
3633         rs6000_emit_parity): Prototype here.
3634
3635 2007-02-06  Ian Lance Taylor  <iant@google.com>
3636
3637         * lower-subreg.c (simple_move_operand): Reject CONST.
3638         (resolve_clobber): Call validate_change rather than directly
3639         assigning to XEXP (pat, 0).
3640
3641 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
3642
3643         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
3644         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
3645         (tree-cfg.o): Remove hashtab.h dependency.
3646
3647         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
3648         (struct ivopts_data): Change niters to pointer_map_t.
3649         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
3650         (niter_for_exit): Create pointer_map on demand.  Change for
3651         pointer_map API.
3652         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
3653         (free_loop_data): Destroy data->niters if created and reset field.
3654         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
3655         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
3656
3657         * tree-ssa-reassoc.c: Include pointer-set.h.
3658         (bb_rank): Change to long *.
3659         (operand_rank): Change to pointer_map_t.
3660         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
3661         (insert_operand_rank): Accept long.
3662         (operand_entry_hash, operand_entry_eq): Remove.
3663         (get_rank): Return long.  Adjust for changes above.
3664         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
3665         and operand_rank.
3666         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
3667
3668         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
3669         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
3670         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
3671         is not NULL.
3672         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
3673         directly since it cannot be NULL.
3674         (get_vi_for_tree): Rewrite for pointer_map API.
3675         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
3676         (init_alias_vars): Create vi_for_tree as pointer_map.
3677         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
3678
3679         * tree-cfg.c: Don't include hashtab.h.
3680         (edge_to_cases): Declare as pointer_map.
3681         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
3682         Delete.
3683         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
3684         (start_recording_case_labels): Create edge_to_cases as pointer_map.
3685         (end_recoding_case_labels): Cleanup edge_to_cases manually before
3686         destroying it.
3687         (record_switch_edge): Delete.
3688         (get_cases_for_edge): Adjust for pointer_map API, inline
3689         record_switch_edge (rewritten for new API), remove goto.
3690
3691 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
3692
3693         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
3694         * tree-nested.c: Include pointer-set.h.
3695         (var_map_elt, var_map_eq, var_map_hash): Delete.
3696         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
3697         to pointer_map_t's.
3698         (nesting_info_bitmap_obstack): New.
3699         (lookup_field_for_decl): Adjust for pointer_map API.
3700         (lookup_tramp_for_decl): Adjust for pointer_map API.
3701         (get_nonlocal_debug_decl): Adjust for pointer_map API.
3702         (get_local_debug_decl): Adjust for pointer_map API.
3703         (convert_nl_goto_reference): Adjust for pointer_map API.
3704         (convert_nl_goto_receiver): Adjust for pointer_map API.
3705         (create_nesting_tree): Create outside GGC space.  Create bitmap on
3706         the new obstack.  Create field_map and var_map as pointer_maps.
3707         (free_nesting_tree): Adjust for changes to create_nesting_tree.
3708         (root): Delete.
3709         (lower_nested_functions): Move root here, no need to NULL it.
3710         Initialize and release the obstack.
3711
3712 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
3713
3714         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
3715         Remove prototypes and make them non-static.
3716         (struct tree_int_map): Remove.
3717         * tree.h (struct tree_int_map): Move here, turning TO into an
3718         unsigned int.
3719         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
3720
3721         * tree.h (TREE_COMPLEXITY): Remove.
3722         (struct tree_exp): Remove complexity field.
3723         * tree.c (build1_stat): Don't set it.
3724
3725 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
3726             Victor Kaplansky  <victork@il.ibm.com>
3727
3728         * tree-vectorizer.c (vect_is_simple_use): Support induction.
3729         (vect_is_simple_reduction): Support reduction with induction as
3730         one of the operands.
3731         (vect_is_simple_iv_evolution): Fix formatting.
3732         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
3733         formatting.  Don't mark induction phis for vectorization.
3734         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
3735         * tree-vect-transform.c (get_initial_def_for_induction): New function.
3736         (vect_get_vec_def_for_operand): Support induction.
3737         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
3738         induction case.
3739         (vectorizable_reduction): Support reduction with induction as one of
3740         the operands.
3741         (vectorizable_type_demotion): Use def-type of stmt argument rather
3742         than dummy def-type.
3743
3744         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
3745         flag_tree_scev_cprop.
3746         * common.opt (tree-scev-cprop): New flag.
3747
3748         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
3749         call to vect_get_new_vect_var.
3750
3751 2007-02-06  Ira Rosen  <irar@il.ibm.com>
3752
3753         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
3754         vectype is not NULL.
3755         (vect_pattern_recog_1): Likewise.
3756
3757 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3758
3759         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
3760         (fold_negate_expr): Likewise.
3761
3762 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
3763
3764         PR debug/30189
3765         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
3766         even if cv-qualification is the same.
3767
3768 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
3769
3770         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
3771         __enable_execute_stack on completion.
3772
3773 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
3774
3775         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
3776         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
3777         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
3778         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
3779         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
3780         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
3781         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
3782         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
3783
3784 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
3785
3786         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
3787         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
3788         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
3789         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
3790         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
3791         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
3792         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
3793         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
3794         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
3795         umuldi3_highpart_rex64, umulsi3_highpart_insn,
3796         umulsi3_highpart_zext, smuldi3_highpart_rex64,
3797         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
3798         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
3799         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
3800         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
3801         sqrtextenddfxf2_i387): Added amdfam10_decode.
3802
3803         * config/i386/athlon.md (athlon_idirect_amdfam10,
3804         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
3805         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
3806         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
3807         athlon_ivector_store_amdfam10): New define_insn_reservation.
3808         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
3809         amdfam10.
3810
3811 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
3812
3813         * config/i386/athlon.md (athlon_call_amdfam10,
3814         athlon_pop_amdfam10, athlon_lea_amdfam10): New
3815         define_insn_reservation.
3816         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
3817         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
3818         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
3819
3820 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
3821
3822         * config/i386/athlon.md (athlon_sseld_amdfam10,
3823         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
3824         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
3825
3826 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
3827
3828         * config/i386/athlon.md (athlon_sseins_amdfam10): New
3829         define_insn_reservation.
3830         * config/i386/i386.md (sseins): Added sseins to define_attr type
3831         and define_attr unit.
3832         * config/i386/sse.md: Set type attribute to sseins for insertq
3833         and insertqi.
3834
3835 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
3836
3837         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
3838         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
3839         ssecomi_load_amdfam10, ssecomi_amdfam10,
3840         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
3841         define_insn_reservation.
3842         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
3843
3844 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
3845
3846         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
3847         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
3848         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
3849         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
3850         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
3851         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
3852         define_insn_reservation.
3853
3854         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
3855         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
3856         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
3857         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
3858         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
3859
3860 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
3861
3862         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
3863         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
3864         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
3865         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
3866         athlon_ssemul_load_k8): Added amdfam10.
3867
3868 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
3869
3870         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
3871         (x86_sse_unaligned_move_optimal): New variable.
3872
3873         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
3874         m_AMDFAM10.
3875         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
3876         for unaligned vector SSE double/single precision loads for AMDFAM10.
3877
3878 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
3879
3880         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
3881         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
3882         Define TARGET_CPU_DEFAULT_amdfam10.
3883         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
3884         (processor_type): Add PROCESSOR_AMDFAM10.
3885
3886         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
3887         processor_type in config/i386/i386.h.
3888         Enable imul peepholes for TARGET_AMDFAM10.
3889
3890         * config.gcc: Add support for --with-cpu option for amdfam10.
3891
3892         * config/i386/i386.c (amdfam10_cost): New variable.
3893         (m_AMDFAM10): New macro.
3894         (m_ATHLON_K8_AMDFAM10): New macro.
3895         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
3896         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
3897         x86_promote_QImode, x86_integer_DFmode_moves,
3898         x86_partial_reg_dependency, x86_memory_mismatch_stall,
3899         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
3900         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
3901         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
3902         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
3903         Enable/disable for amdfam10.
3904         (override_options): Add amdfam10_cost to processor_target_table.
3905         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
3906         processor_alias_table.
3907         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
3908         (ix86_adjust_cost): Add code for amdfam10.
3909
3910 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
3911
3912         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
3913         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
3914         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
3915         * config/i386/i386.h: Add builtin definition for SSE4A.
3916         * config/i386/i386.md: Add support for ABM instructions
3917         (popcnt and lzcnt).
3918         * config/i386/sse.md: Add support for SSE4A instructions
3919         (movntss, movntsd, extrq, insertq).
3920         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
3921         Add -march=amdfam10 flag.
3922         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
3923         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
3924         and amdfam10.
3925         * doc/extend.texi: Add documentation for SSE4A builtins.
3926
3927 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
3928
3929         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
3930
3931 2007-02-05  Richard Guenther  <rguenther@suse.de>
3932
3933         * tree-vectorizer.h (vectorizable_function): Add argument type
3934         argument, change return type.
3935         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
3936         * tree-vect-transform.c (vectorizable_function): Handle extra
3937         argument, return vectorized function decl.
3938         (build_vectorized_function_call): Remove.
3939         (vectorizable_call): Handle calls with result and argument types
3940         differing.  Handle loop vectorization factor correctly.
3941         * targhooks.c (default_builtin_vectorized_function): Adjust for
3942         extra argument.
3943         * targhooks.h (default_builtin_vectorized_function): Likewise.
3944         * target.h (builtin_vectorized_function): Add argument type
3945         argument.
3946         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
3947         extra argument, allow vectorizing of lrintf.
3948         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
3949         documentation of target hook.
3950
3951 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
3952
3953         PR target/30665
3954         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
3955         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
3956         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
3957
3958 2007-02-05  Roger Sayle  <roger@eyesopen.com>
3959
3960         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
3961         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
3962         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
3963         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
3964         before canonicalizing sincos to cexpi.
3965         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
3966
3967 2007-02-05  Roger Sayle  <roger@eyesopen.com>
3968
3969         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
3970         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
3971         (alpha_init_builtins): Use alpha_add_builtins to process tables.
3972
3973 2007-02-05  Roger Sayle  <roger@eyesopen.com>
3974