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1 2006-01-26  Hans-Peter Nilsson  <hp@axis.com>
2
3         PR target/25947
4         * config/cris/cris.c (cris_order_for_addsi3): New function.
5         * config/cris/cris-protos.h: Prototype it.
6         * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
7         (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
8         (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
9         (split for "op.S1 [rx=rx+i],ry (swapped)")
10         (split for "op(s|u).S1 [rx=rx+i],ry")
11         (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
12         Apply cris_order_for_addsi3 when generating addsi3 insns.
13
14 2006-01-25  Diego Novillo  <dnovillo@redhat.com>
15
16         * tree.h (TREE_RANGE_CHECK): Fix range predicate.
17         (TREE_BLOCK): Add call to EXPR_CHECK.
18
19 2006-01-25  Diego Novillo  <dnovillo@redhat.com>
20
21         PR 25886
22         * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
23         * tree-pretty-print.c (dump_omp_clause): Extract from ...
24         (dump_omp_clauses): ... here.
25         (dump_generic_node): Handle OMP_CLAUSE.
26         * tree.c (omp_clause_num_ops): New.
27         (omp_clause_code_name): New.
28         (tree_code_size): Handle OMP_CLAUSE.
29         (tree_size): Likewise.
30         (make_node): Document handling of OMP_CLAUSE.
31         (tree_node_structure): Handle OMP_CLAUSE.
32         (omp_clause_check_failed): New.
33         (omp_clause_range_check_failed): New.
34         (omp_clause_operand_check_failed): New.
35         (build_omp_clause): New.
36         (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
37         * tree.h (enum omp_clause_code): Declare.
38         (OMP_CLAUSE_SUBCODE): Define.
39         (OMP_CLAUSE_RANGE_CHECK): Define.
40         (OMP_CLAUSE_ELT_CHECK): Define.
41         (omp_clause_check_failed): Declare.
42         (omp_clause_operand_check_failed): Declare.
43         (omp_clause_range_check_failed): Declare.
44         (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
45         (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
46         (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
47         (OMP_CLAUSE_LASTPRIVATE): Likewise.
48         (OMP_CLAUSE_IF_EXPR): Likewise.
49         (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
50         (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
51         (OMP_CLAUSE_REDUCTION_CODE): Likewise.
52         (OMP_CLAUSE_REDUCTION_INIT): Likewise.
53         (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
54         (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
55         Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
56         (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
57         (OMP_CLAUSE_DEFAULT_KIND): Likewise.
58         (OMP_CLAUSE_CODE): Define.
59         (OMP_CLAUSE_SET_CODE): Define.
60         (OMP_CLAUSE_CODE): Define.
61         (OMP_CLAUSE_OPERAND): Define.
62         (struct tree_omp_clause): Declare.
63         (union tree_node): Add field 'omp_clause'.
64         * treestruct.def (TS_OMP_CLAUSE): Define.
65         * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
66         OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
67         OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
68         OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
69         OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
70         OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
71         (OMP_CLAUSE): Define.
72         * print-tree.c (print_node): Handle OMP_CLAUSE.
73         * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
74         * c-typeck.c: Likewise.
75         * gimplify.c: Likewise.
76         * c-omp.c: Likewise.
77         * tree-nested.c: Likewise.
78         * tree-inline.c: Likewise.
79         * c-parser.c: Likewise.
80         * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
81         clauses.
82
83 2006-01-25  Roger Sayle  <roger@eyesopen.com>
84
85         PR rtl-optimization/25703
86         * combine.c (try_combine): Handle zero_extract and strict_low_part
87         of non-lowpart SUBREGs for constant reg_subword_p set optimization.
88
89 2006-01-25  Peter Bergner  <bergner@vnet.ibm.com>
90
91         * global.c: Fix comment typos.
92
93 2006-01-25  Andrew Pinski  <pinskia@physics.uc.edu>
94
95         PR target/25758
96         * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
97         Use output_addr_const instead of assemble_name.
98
99 2006-01-25  Paolo Bonzini  <bonzini@gnu.org>
100
101         * Makefile.in (sched-vis.o): Update dependencies.
102         * haifa-sched.c (sched_finish): Clear current_sched_info.
103         * cfg.c (dump_bb_info): New, split from dump_flow_info.
104         (dump_flow_info): Call it.
105         * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
106         a slim RTL dump.
107         * basic-block.h (dump_bb_info): Declare.
108         * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
109         option, and apply options only for dump files whose TDF_RTL,
110         TDF_TREE, or TDF_IPA bits match.
111         * rtl.h: Declare new functions exported from sched-vis.c.
112         * sched-vis.c: Enable also if scheduling is not used.
113         (print_value): Print the mode of registers if not inside scheduling.
114         (print_insn): Make it work outside the scheduler.  Beautify the output
115         a bit.
116         (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
117
118 2006-01-25  Richard Sandiford  <richard@codesourcery.com>
119
120         * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
121         * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
122         a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
123         depending on the value of CONSTANT_POOL_ADDRESS_P.
124         * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
125         SYMBOL_REF_DECL.
126         * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
127         rather than SYMBOL_REF_DECL.
128         (rtx_constant_pool): Remove const_rtx_sym_htab.
129         (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
130         (init_varasm_status): Don't initialize const_rtx_sym_htab.
131         (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
132         Remove handling of const_rtx_sym_htab.
133         (find_pool_constant): Delete.
134         (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
135         rather than find_pool_constant.
136         (get_pool_constant_for_function): Delete.
137         (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
138         find_pool_constant. 
139         * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
140         (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
141         (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
142         (SYMBOL_REF_CONSTANT): New macro.
143         (get_pool_constant_for_function): Delete.
144         * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
145         rather than SYMBOL_REF_DECL.
146         (i386_pe_mark_dllimport): Likewise.
147         * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
148         rather than SYMBOL_REF_DECL.
149         * config/darwin.c (machopic_indirect_data_reference): Likewise.
150         (machopic_indirect_call_target): Likewise.
151
152 2006-01-25  Eric Botcazou  <ebotcazou@adacore.com>
153
154         * flow.c (delete_noop_moves): Add missing EOL to dump message.
155
156 2006-01-25  Richard Sandiford  <richard@codesourcery.com>
157
158         * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
159
160 2006-01-25  Kaz Kojima  <kkojima@gcc.gnu.org>
161
162         * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
163
164 2006-01-24  David Daney  <ddaney@avtrex.com>
165
166         PR java/25816
167         * configure.ac (enable_tls): New enable option.
168         (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
169         * configure: Regenerate.
170         * doc/install.texi (--enable-tls): Document new option.
171         (--disable-tls): Ditto.
172
173 2006-01-24  Richard Henderson  <rth@redehat.com>
174
175         * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
176         * alias.c (true_dependence): Respect it.
177         (canon_true_dependence, write_dependence_p): Likewise.
178         * builtins.c (get_builtin_sync_mem): Set it.
179
180 2006-01-25  Zdenek Dvorak <dvorakz@suse.cz>
181
182         * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
183         efficient way.
184
185 2006-01-24  DJ Delorie  <dj@redhat.com>
186
187         * expmed.c (store_bit_field): Don't arbitrarily deny using insv
188         for storing constants in single-bit bitfields.
189
190 2006-01-25  Ben Elliston  <bje@au.ibm.com>
191
192         * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
193
194 2006-01-24  Andrew Pinski  <pinskia@physics.uc.edu>
195
196         PR tree-opt/25860
197         * tree-ssa-pre.c (phi_translate): Return NULL
198         for AGGREGATE_TYPE's.
199
200 2006-01-24  Zack Weinberg  <zackw@panix.com>
201
202         * genautomata.c (process_state_for_insn_equiv_partition):
203         Use xcalloc for insn_arcs_array.
204         * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
205         (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
206
207 2006-01-24  Richard Henderson  <rth@redhat.com>
208
209         * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
210         update all callers.
211
212 2006-01-23  Paolo Bonzini  <bonzini@gnu.org>
213
214         PR rtl-optimization/25890
215         PR rtl-optimization/25905
216         * combine.c (expand_compound_operation, expand_field_assignment):
217         Fail if the bitfield's final position is out of bounds.
218
219 2006-01-24  Ian Lance Taylor  <ian@airs.com>
220
221         PR middle-end/25930
222         * cgraphunit.c (cgraph_output_in_order): Don't clear
223         cgraph_asm_nodes until after asm strings have been output.
224
225 2006-01-23  Adam Nemet  <anemet@caviumnetworks.com>
226
227         * fix-header.c (read_scan_file): Add new parameter imultilib when
228         calling register_include_chains.
229
230 2006-01-23  Diego Novillo  <dnovillo@redhat.com>
231
232         * omp-low.c: Update documentation.
233
234 2006-01-23  Andrew Pinski  <pinskia@physics.uc.edu>
235             Daniel Berlin  <dberlin@dberlin.org>
236
237         PR tree-opt/25315
238         PR tree-opt/25857
239         * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal 
240         return from the function.
241
242 2006-01-22  Zack Weinberg  <zackw@panix.com>
243
244         * rtl.def (match_code): Add second argument.
245         * genpreds.c (write_extract_subexp): New function.
246         (write_match_code): Add path argument.  Use write_extract_subexp.
247         (write_predicate_expr): Pass path to write_match_code.
248         (mark_mode_tests): MATCH_CODE applied to a subexpression does
249         not perform a mode test.
250         * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
251         a subexpression does not constrain the top-level code set.
252         * read-rtl.c (read_rtx_variadic): New function.
253         (read_rtx_1): Use it; allow AND and IOR to be variadic.
254         * doc/md.texi: Document new notation.
255         * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
256         (cmpsi_operand): ... here, using new notation.
257
258 2006-01-22  Zack Weinberg  <zackw@panix.com>
259
260         * varray.c: Remove GENERATOR_FILE #ifdefs.
261
262 2006-01-22  Zack Weinberg  <zackw@panix.com>
263
264         * genautomata.c (output_reserved_units_table): Emit nothing if
265         description->query_units_num is zero.  Remove extra blank line.
266         (output_cpu_unit_reservation_p): Short circuit
267         if description->query_units_num is zero.
268
269 2006-01-22  Zack Weinberg  <zackw@panix.com>
270
271         * genattrtab.c: Don't include genattrtab.h.  Define ATTR_NONE
272         and ATTR_SPECIAL (from genattrtab.h).  Don't define num_dfa_decls
273         nor any of the random handful of variables that used to be necessary
274         when this program was linked with rtlanal.o.  Prune set of forward
275         function declarations.
276         (struct attr_desc): Remove static_p field.
277         (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
278         (check_attr_test, make_internal_attr, make_numeric_value): Make static.
279         (attr_string): Do not read the character one past the length of
280         the string.
281         (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
282         (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
283         (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
284         (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
285         (make_automaton_attrs): New.
286         (main): Do not call into genautomata.  Call local gen_bypass
287         and gen_insn_reserv as appropriate.  Call make_automaton_attrs.
288         Remove special case for insn_alts.
289         * genautomata.c: Include gensupport.h; not genattrtab.h nor
290         varray.h (leftover from previous change).  Prune set of forward
291         function declarations.  Remove state_alts fields from all
292         structures.  Remove state_alts_table from struct automaton.
293         Make everything except main static.  Do not maintain num_dfa_decls.
294         Do not maintain state_alts fields of various structures.
295         (process_decls): Don't validate condexp for dm_insn_reserv decls.
296         (add_arc): Remove state_alts argument.  All callers updated.
297         (output_reserved_units_table): Emit #ifdef here...
298         (output_tables): ...not here.  Don't generate state_alts tables.
299         (expand_automata): Don't generate attributes.
300         (write_automata): Don't generate state_alts functions.
301         (main): New function.
302         (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
303         (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
304         (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
305         (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
306         (BYPASS_P_FUNC_NAME, output_state_alts_table)
307         (output_automata_list_state_alts_code, output_internal_state_alts_func)
308         (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
309         (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
310         Delete.
311         * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
312         * genattrtab.h: Delete file.
313         * Makefile.in (OBJS-common): Add insn-automata.o.
314         (insn-automata.o): New rule.
315         (simple_generated_c): Add insn-automata.c.
316         (build/genattrtab.o, build/genautomata.o): Update dependencies.
317         (genprogmd): Add automata.
318         (build/genattrtab): Needs no extra objects nor libraries.
319         (build/genautomata): Needs build/vec.o and -lm.
320
321 2006-01-22  Zack Weinberg  <zackw@panix.com>
322
323         * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
324         (output_dfa_max_issue_rate, locked_states_num): Delete.
325         (struct automaton): Add locked_states field.
326         (output_dead_lock_vect): Save number of locked states in
327         automaton->locked_states.  If it is zero, don't print anything.
328         (output_max_insn_queue_index_def): Define max_insn_queue_index const.
329         (output_internal_dead_lock_func): Only test the dead_lock_vect
330         for automata that have locked states.
331         (output_statistics): Always print the number of locked states for
332         each automaton.  Calculate total number of locked states here.
333         (write_automata): Don't call output_dfa_max_issue_rate.
334         * genattrtab.c: Define length_unit_log as a const variable.
335         * genattr.c: Don't emit MAX_DFA_ISSUE_RATE.  Declare
336         max_insn_queue_index const.
337         * final.c (length_unit_log): Declare const.
338         * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
339
340 2006-01-22  Zack Weinberg  <zackw@panix.com>
341
342         * genautomata.c:  Include vec.h, not varray.h.
343         Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
344         VLA_HWINT_ macros.  Change vla_hwint_t to a typedef for
345         VEC(vect_el_t,heap) *.  Convert all uses of VLA_* macros to
346         VEC_* macros operating on appropriately typed vectors, or to
347         malloced arrays when the size is known in advance.  Const-ify
348         many char* variables and function arguments.  No functional changes.
349         * Makefile.in (build/varray.o): Delete rule.
350         (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
351         (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
352
353 2006-01-22  Zack Weinberg  <zackw@panix.com>
354
355         * gensupport.c: Define get_insn_name and record_insn_name here.
356         (read_md_rtx): Call record_insn_name as appropriate.
357         * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
358         * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
359         * genpreds.c, genrecog.c: Don't define get_insn_name nor
360         record_insn_name.
361         * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
362         (BUILD_VARRAY): Delete.
363         (genprognormal): Rename genprogmd.  Fold in all programs from
364         genprognoprint; also attrtab.
365         (build/genattrtab): Just mention genautomata.o and varray.o.
366         Reorganize a bit, add comments to make the categories clearer.
367
368 2006-01-22  Zack Weinberg  <zackw@panix.com>
369
370         * genconditions.c (condition_table, add_condition): Delete.
371         (write_conditions): Don't emit n_insn_conditions nor
372         insn_elision_unavailable.  Issue the gcc version #ifdef here,
373         inside the table, with no #else clause ...
374         (write_header): ...not here.
375         (write_writer): New function.
376         (main): Don't initialize condition_table.  Use add_c_test.
377         Call write_writer.
378         * gensupport.c (init_md_reader_args_cb): Handle multiple input
379         files on the command line.
380         (maybe_eval_c_test): Don't check insn_elision_unavailable.
381         Return -1 if there is no entry in the table, don't abort.
382         (add_c_test, traverse_c_tests): New functions.
383         * gensupport.h (insn_elision_unavailable, insn_conditions)
384         (n_insn_conditions): Delete declarations.
385         (add_c_test, traverse_c_tests): Declare.
386         * read-rtl.c: Include gensupport.h.
387         (read_conditions): New function.
388         (read_rtx): If read_rtx_1 returns 0, treat as EOF.
389         (read_rtx_1): If we get EOF when we were looking for an initial
390         open paren, return 0.  Call read_conditions when appropriate.
391         * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
392         dummy-conditions.o.  Eliminate references to insn-conditions.o,
393         or change them to build/gencondmd.o, as appropriate.  Remove
394         insn-constants.h from $(simple_generated_h) and insn-conditions.c
395         from $(simple_generated_c).  For all files remaining in those
396         two lists, add insn-conditions.md to the generator command line.
397         Give insn-constants.h/s-constants their own rules.  Add rules
398         for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
399         (build/read-rtl.o): Depend on gensupport.h.
400         (genprognormal): Include preds.
401         (genprogearly): Rename genprognoprint; only difference is now that
402         they don't link with $(BUILD_PRINT).
403         * dummy-conditions.c: Delete.
404
405 2006-01-22  Zack Weinberg  <zackw@panix.com>
406
407         * genextract.c: Don't include insn-config.h.  Do include vec.h.
408         Declare vectors of int, char, and locstr.
409         (locstr): New typedef.
410         (struct extraction): Make all array fields into bare pointers.
411         (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
412         (insn_code_number): Delete.
413         (accum_extract): New struct.
414         (VEC_safe_set_locstr, VEC_char_to_string): New functions.
415         (gen_insn): Take insn_code_number as an argument.  Use an
416         accum_extract structure instead of loading data directly into
417         a struct extraction, and having to know how big it might get.
418         (walk_rtx): Operate entirely on an accum_extract structure.
419         (print_path): Avoid unnecessary use of printf.
420         (print_header): New function, split out of main.  Distinguish
421         more carefully between an unrecognizable insn and an insn that
422         has the code number of a define_expand.
423         (main): Pass insn_code_number to gen_insn.  Call print_header
424         only after parsing.  Avoid unnecessary use of printf.
425         * Makefile.in (build/vec.o): New rule.
426         (build/genextract): Depend on build/vec.o.
427         (build/genextract.o): Don't depend on insn-config.h.
428
429 2006-01-22  Zack Weinberg  <zackw@panix.com>
430
431         * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
432         $(RUN_GEN).  Use pattern rules to factor out as much boilerplate as
433         practical.  Eliminate per-generator-program link rules.
434
435 2006-01-23  Andrew Pinski  <pinskia@physics.uc.edu>
436
437         PR middle-end/24437
438         * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
439         with a call expr to ...
440         * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
441
442 2006-01-23  Richard Guenther  <rguenther@suse.de>
443
444         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
445         before make_edge with conditional EDGE_TRUE_VALUE.
446
447 2006-01-23  Steven Bosscher  <stevenb.gcc@gmail.com>
448         Jan Hubicka  <jh@suse.cz>
449         Richard Guenther  <rguenther@suse.de>
450
451         PR rtl-optimization/25654
452         * cfgexpand.c (aggregate_contains_union_type): New function.
453         (add_alias_set_conflicts): Call it.  Make sure to add conflicts
454         for structure variables that contain a union type.
455
456 2006-01-23  Richard Sandiford  <richard@codesourcery.com>
457
458         * gengtype.c (new_structure): Return the structure.
459         (create_option): Add an extra "next" argument.
460         (create_field): New function.
461         (adjust_field_rtx_def): Use create_option and create_field.
462         Remove a now-unnecessary call to find_structure.
463         (adjust_field_tree_def): Likewise.
464         (note_yacc_type): Remove an unnecessary call to find_structure.
465         * gengtype.h (new_structure): Return the structure.
466         (create_option): Add an extra argument.
467         * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
468         (option): Adjust calls to create_option.
469
470 2006-01-22  David Edelsohn  <edelsohn@gnu.org>
471
472         * config/rs6000/aix.h (STACK_BOUNDARY): Define.
473
474 2006-01-22  Paul Brook  <paul@codesourcery.com>
475         Peter Barada  <peter@the-baradas.com>
476
477         * config/m68k/m68k.md: Add Coldfire FPU support.
478         Define FP mode macro and associated attributes.
479         Use it for float mode patterns.
480         * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
481         (LIBCALL_VALUE): Use m68k_libcall_value.
482         * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
483         (m68k_function_value): Ditto.
484         (emit_move_sequence): Ditto.
485         * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
486         * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
487         * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
488         (MULTILIB_EXCEPTIONS): Ditto.
489         * config/m68k/m68k.opt: Add mcfv4e.
490         * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
491         (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
492         (m68k_output_function_prologue): Save ColdFire FPU registers.
493         (m68k_output_function_epilogue): Restore ColdFire FPU registers.
494         (force_mode, fp_reg_operand, emit_move_sequence): New functions.
495         (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
496         ColdFire FPU registers.
497         (m68k_libcall_value, m68k_function_value): New functions.
498         * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
499         (LIBCALL_VALUE): Use m68k_libcall_value.
500         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
501         (MASK_COLDFIRE): Add MASK_CFV4E.
502         (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
503         (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
504         (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
505         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
506         (GO_IF_LEGITIMATE_ADDRESS): Use it.
507         (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
508         * doc/invoke.tex: Document -mcfv4e on m68k.
509
510 2006-01-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
511
512         * doc/contribute.texi: Change CVS to SVN and update the corresponding
513         URL.
514
515 2006-01-21  Gabriel Dos Reis  <gdr@integrable-solutions.net>
516
517         PR c++/16190
518         * c-opts.c (c_common_handle_option): Don't include
519         -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
520         * doc/invoke.texi (C++ Dialect Options): Document that
521         -Wnon-virtual-dtor is no longer included in -Wall.
522
523 2006-01-21  Joseph S. Myers  <joseph@codesourcery.com>
524
525         * gcov.c (print_version), gcov-dump.c (print_version),
526         mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
527         dates.
528
529 2005-01-21  Kenneth Zadeck <zadeck@naturalbridge.com>
530
531         * df-scan.c (problem_SCAN): Added NULL reset function.
532         (df_scan_reset_blocks): Added code to call reset block function
533         (df_bb_refs_delete) Fixed comment.
534         (df_insn_refs_delete): Made tolerant of deleting non existent info
535         for dataflow problems that need to be reset.
536         * df-core.c (df_set_blocks): Ditto.
537         * df.h (struct df_problem): Added reset_fun.
538         * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
539         problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
540         (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
541         functions to clear out all references to def-use or use-def chains.
542
543 2006-01-21  Ben Elliston  <bje@au.ibm.com>
544
545         * varasm.c (assemble_real): Initialise data array.
546
547 2006-01-20  Paul Brook  <paul@codesourcery.com>
548
549         Merge from csl-arm-branch.
550         2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
551         * config/arm/arm.md (movdi): Force operands[1] to a register
552         if we have a non-register source.
553         (*arm_movdi, *movdf_soft_insn): Require that one of the
554         operands be a register.
555         * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
556         * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
557
558 2006-01-20  DJ Delorie  <dj@redhat.com>
559
560         * varasm.c (initialize_constant_valid_p): Allow pointers
561         initialized from integer constants of lesser precision.
562         (output_constant): Allow non-int-sized pointer modes to be
563         initialized from integer constants.
564
565 2006-01-20  Joseph S. Myers  <joseph@codesourcery.com>
566
567         PR libstdc++/25524
568         * cppdefault.h (struct default_include): Add multilib flag.
569         * cppdefault.c (cpp_include_defaults): Set it.
570         * c.opt (-imultilib): New option.
571         * c-opts.c (imultilib): New.
572         (c_common_handle_option): Handle -imultilib.
573         (c_common_post_options): Likewise.
574         * c-incpath.c (add_standard_paths, register_include_chains):
575         Likewise.
576         * c-incpath.h (register_include_chains): Add extra parameter.
577         * gcc.c (do_spec_1): Generate -imultilib option.
578         (The Specs Language): Update %I description.
579         (process_command): Update copyright notice.
580         * doc/cppopts.texi (-imultilib): Document.
581         * doc/invoke.texi (-imultilib): Include in option summary.
582         (%I): Update specs documentation.
583
584 2006-01-20  Zdenek Dvorak <dvorakz@suse.cz>
585
586         * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
587
588 2006-01-20  Richard Sandiford  <richard@codesourcery.com>
589
590         * stmt.c (case_bit_test_cmp): Stabilize the sort using code
591         label numbers.
592
593 2006-01-20  Richard Guenther  <rguenther@suse.de>
594         Steven Bosscher <stevenb.gcc@gmail.com>
595
596         PR rtl-optimization/24626
597         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
598         EDGE_TRUE_VALUE if in RTL mode.
599
600         Revert
601         2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
602         * cfgrtl.c (rtl_verify_flow_info_1): Fix.
603
604 2006-01-20  Dirk Mueller  <dmueller@suse.com>
605
606         PR c++/5520
607         * c-parser.c (c_parser_if_body): Use build_empty_stmt()
608         instead of a special NOP marker.
609         * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
610         NOP marker handling.
611         * c-common.h (empty_body_warning): Add forward declaration.
612         * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
613         Now uses IS_EMPTY_STMT() instead of special NOP markers.
614
615 2005-01-20  Paul Brook  <paul@codesourcery.com>
616
617         * Makefile.in (lang_checks): Keep going if mkdir fails.
618
619 2005-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
620
621         * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
622         be able to clean out basic block when not necessary.
623         (df_scan_free): Fixed to properly delete information if df is
624         unused before calling df_finish.
625         (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
626         df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
627         or comment typos.
628         (df_bb_refs_delete): New function.
629         (df_refs_delete): Moved per block code to df_bb_refs_delete.
630         * df-core.c (df_set_blocks): Added code to properly clean out
631         unused blocks if they are not part of the blocks to consider.
632         Added additional null check.
633         (df_compact_blocks): Added basic block parameter to free_bb_fun to
634         be able to clean out basic block when not necessary
635         * df.h (df_free_bb_function): Ditto.
636         (df_bb_refs_delete): New function.
637         * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
638         df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
639         basic block parameter to be able to clean out basic block when not
640         necessary.
641         (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
642         (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
643         Fixed to properly delete information if df is unused before
644         calling df_finish.
645
646 2005-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
647
648         PR rtl-optimization/25799
649         * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
650         Corrected confluence operator to remove bits from op2 before oring
651         with op1 rather than removing bits from op1.
652         (df_ru_transfer_function): Corrected test on wrong bitmap which
653         caused infinite loop.  Both of these problems were introduced in
654         the dataflow rewrite.
655
656 2006-01-19  DJ Delorie  <dj@redhat.com>
657
658         * reload1.c (find_reload_regs): Note the details of reload
659         failures in the dump file.
660         (spill_failure): Likewise.
661
662 2006-01-20  Zdenek Dvorak <dvorakz@suse.cz>
663
664         * loop-iv.c: Include df.h and hashtab.h.
665         (enum iv_grd_result): New enum.
666         (DF_REF_IV, DF_REF_IV_SET): New macros.
667         (struct biv_entry): New.
668         (df, bivs): New global variables.
669         (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
670         assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
671         Removed.
672         (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
673         iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
674         analyzed_for_bivness_p, record_biv): New functions.
675         (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
676         get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
677         iv_analyze, biv_p, iv_analysis_done): Work with df representation of
678         UD chains.
679         (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
680         analysed.
681         (iv_number_of_iterations): Use new interface to iv analysis.
682         * loop-unroll.c: Do not include varray.h.
683         (analyze_iv_to_split_insn): Use new interface to iv
684         analysis.
685         * loop-unswitch.c (may_unswitch_on): Ditto.
686         * df.c (df_bitmaps_free): Only work for bbs for that structures are
687         allocated.
688         (df_bb_modify): Realloc tables to the new index.
689         (df_find_use): New function.
690         * df.h (df_find_use): Declare.
691         * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
692         outmode.
693         * cfgloop.h (struct rtx_iv): Remove analysed field.
694         (iv_get_reaching_def): Removed.
695         (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
696         * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
697         (loop-iv.o): Add df.h and hashtab.h dependency.
698         * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
699
700 2006-01-20  Alan Modra  <amodra@bigpond.net.au>
701
702         * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
703         Double TFmode.
704         (__floatundisf, __floatundidf): Likewise.
705         * libgcc2.h (IS_IBM_EXTENDED): Define.
706
707 2006-01-19  DJ Delorie  <dj@redhat.com>
708
709         * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
710
711 2006-01-19  Paul Brook  <paul@codesourcery.com>
712
713         * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
714         as nothrow when unwinding tables are disabled.
715
716 2006-01-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
717
718         PR testsuite/25171
719         * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
720         of bit-field" when in system header.
721
722 2006-01-19  DJ Delorie  <dj@redhat.com>
723
724         * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
725         the 16 bit shift limit of the m16c.
726
727 2006-01-19  Andrew Pinski  <pinskia@physics.uc.edu>
728
729         PR target/22099
730         * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
731         * config/i386/i386.c (output_set_got): Output the label if we have one
732         for the TARGET_DEEP_BRANCH_PREDICTION case.
733
734 2006-01-19  Jan Hubicka  <jh@suse.cz>
735             H.J. Lu  <hongjiu.lu@intel.com>
736             Evandro Menezes <evandro.menezes@amd.com>
737
738         * invoke.texi (generic): Document
739         (i686) Update.
740         * config.gcc: Make x86_64-* and i686-* default to generic tunning.
741         * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
742         TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
743         (x86_use_incdec, x86_pad_returns): New variables
744         (TARGET_CPU_DEFAULT_generic): New constant
745         (TARGET_CPU_DEFAULT_NAMES): Add generic.
746         (enum processor_type): Add generic32 and generic64.
747         * i386.md (cpu attribute): Add generic32/generic64
748         (movhi splitter): Behave sanely when both partial_reg_dependency and
749         partial_reg_stall are set.
750         (K8 splitters): Enable for generic as well.
751         * predicates.md (incdec_operand): Use TARGET_INCDEC
752         (aligned_operand): Avoid memory mismatch stalls.
753         * athlon.md: Enable for generic64, new patterns for 128bit moves.
754         * ppro.md: Enable for generic32
755         * i386.c (generic64_cost, generic32_cost): New.
756         (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
757         (x86_use_leave): Enable for generic64.  (x86_use_sahf,
758         x86_ext_80387_constants): Enable for generic32.  (x86_push_memory,
759         x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
760         x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
761         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
762         x86_partial_reg_dependency, x86_memory_mismatch_stall,
763         x86_accumulate_outgoing_args, x86_prologue_using_move,
764         x86_epilogue_using_move, x86_arch_always_fancy_math_387,
765         x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
766         Enable for generic.
767         (x86_use_incdec, x86_pad_returns): New.
768         (override_options): Add generic32 and generic64, translate "generic"
769         to generic32/generic64 and "i686" to "generic32", refuse
770         "generic32"/"generic64" as arch target.
771         (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
772         (ix86_reorg): Honor PAD_RETURNS.
773
774 2006-01-19  Diego Novillo  <dnovillo@redhat.com>
775
776         * tree-pretty-print.c (dump_generic_node): Handle
777         OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
778         * cgraph.c (cgraph_expand_queue): Rename from
779         cgraph_analyze_queue.  Update all users.
780         * cgraphunit.c (cgraph_assemble_pending_functions): Process
781         cgraph_expand_queue.
782         (cgraph_expand_all_functions): Likewise.
783         (cgraph_finalize_pending_functions): Remove.  Update callers.
784
785         * tree.h (OMP_DIRECTIVE_P): Define.
786         (OMP_PARALLEL_FN): Define.
787         (OMP_PARALLEL_DATA_ARG): Define.
788         (OMP_SECTIONS_SECTIONS): Define.
789         * tree-pass.h (pass_expand_omp): Declare.
790         * omp-low.c (struct omp_region): Declare.
791         (struct omp_context): Remove fields 'parallel_type',
792         'parallel_start_ix' and 'parallel_start_additional_args'.
793         Update all users.
794         (struct omp_for_data): Rename from struct expand_omp_for_data.
795         (omp_regions): New static variable.
796         (root_omp_region): New static variable.
797         (find_omp_clause): Make static.
798         (is_in_combined_parallel_ctx): Remove.
799         (is_combined_parallel): New.
800         (extract_omp_for_data): Move earlier in the file.
801         (workshare_safe_to_combine_p): New.
802         (get_ws_args_for): New.
803         (determine_parallel_type): Move earlier in the file.
804         (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
805         child function.
806         (omp_copy_decl): Likewise.
807         (create_omp_child_function): Likewise.
808         (lookup_omp_region): New.
809         (dump_omp_region): New.
810         (debug_omp_region): New.
811         (debug_all_omp_regions): New.
812         (new_omp_region): New.
813         (scan_omp_parallel): If parallel_nesting_level > 1, the
814         directive is nested within another parallel directive.
815         Set OMP_PARALLEL_FN.
816         (scan_omp_for): Do not try to handle combined parallel+for
817         cases.
818         Remove FIXME comment.
819         (scan_omp_nested): Remove.
820         (scan_omp_1): Do not call scan_omp_nested when
821         parallel_nesting_level is > 1.
822         Do not change the DECL_CONTEXT of local variables found.
823         (lookup_decl_in_outer_ctx): New.
824         (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
825         (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
826         (lower_reduction_clauses): Rename from expand_reduction_clauses.
827         (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
828         If CTX is nested, lookup VAR in the outer context when
829         building copy assignment.
830         (lower_send_clauses): Rename from expand_send_clauses.
831         If CTX is nested, lookup VAR in the outer context when
832         building copy assignments.
833         (lower_send_shared_vars): Rename from expand_send_shared_vars.
834         If CTX is nested, lookup VAR in the outer context when
835         building copy assignments.
836         (expand_parallel_call): Rename from build_parallel_call.
837         Handle combined parallel+workshare cases.
838         Re-implement to emit code into the CFG.
839         (list2chain): New.
840         (expand_omp_parallel): Re-implement to emit code into the CFG.
841         Call move_sese_region_to_fn to outline the sub-graph
842         containing the parallel region.
843         (expand_omp_for_1): Remove.
844         (expand_omp_for_generic): Re-implement to emit code into the
845         CFG.
846         (expand_omp_for_static_nochunk): Likewise.
847         (expand_omp_for_static_chunk): Likewise.
848         (expand_omp_for): Likewise.
849         (expand_omp_sections): Likewise.
850         (remove_exit_barriers): New.
851         (expand_omp_synch): New.
852         (expand_omp): New.
853         (build_omp_regions_1): New.
854         (build_omp_regions): New.
855         (execute_expand_omp): New.
856         (gate_expand_omp): New.
857         (pass_expand_omp): Define.
858         (lower_omp_sections): Rename from expand_omp_sections.
859         Set OMP_SECTIONS_SECTIONS.
860         (lower_omp_single_simple): Rename from expand_omp_single_simple.
861         (lower_omp_single_copy): Rename from expand_omp_single_copy.
862         (lower_omp_single): Rename from expand_omp_simple.
863         (lower_omp_master): Rename from expand_omp_master.
864         (lower_omp_ordered): Rename from expand_omp_ordered.
865         (lower_omp_critical): Rename from expand_omp_critical.
866         (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
867         (lower_omp_for): Re-implement.
868         (lower_omp_parallel): Re-implement.
869         (lower_regimplify): Rename from expand_regimplify.
870         (lower_omp_1): Rename from expand_omp_1.
871         If there are syntax errors in the program, replace every
872         OpenMP directive with NOP.
873         Call lower_omp_* instead of expand_omp_*.
874         (lower_omp): Rename from expand_omp.
875
876         * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
877         * tree-gimple.h (enum omp_parallel_type): Remove.
878         (gimple_boolify): Declare extern.
879         (find_omp_clause, determine_parallel_type): Remove.
880
881         * gimple-low.c (lower_omp_directive): New.
882         (lower_stmt): Call it.
883         (record_vars_into): Move from ...
884         (record_vars): ... here.
885         Call record_vars_into with current_function_decl.
886
887         * gimplify.c (struct gimplify_ctx): Remove fields
888         combined_pre_p and combined_ctxp.  Update users.
889         (get_formal_tmp_var): Add documentation.
890         (gimple_boolify): Make extern.
891         (gimplify_expr_in_ctx): Remove.  Update callers.
892         (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
893         will always be a BIND_EXPR.
894         (gimplify_expr): Handle OMP_RETURN_EXPR.
895         * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
896         (OMP_PARALLEL): Add 3 operands.
897         (OMP_SECTIONS): Add 1 operand.
898         (OMP_RETURN_EXPR): Define.
899
900         * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
901         (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
902         * tree-iterator.c (alloc_stmt_list): Assert that we are not
903         creating a circular free list.
904         (free_stmt_list): Assert that we are not freeing stmt_list_cache.
905
906         * tree-flow.h (move_sese_region_to_fn): Declare.
907         (record_vars_into): Declare.
908         * tree-cfg.c (make_omp_sections_edges): New.
909         (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
910         OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
911         OMP_SECTIONS and OMP_SECTION.
912         (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
913         (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
914         (verify_stmt): Do not handle OMP_DIRECTIVE_P.
915         (gather_blocks_in_sese_region): New.
916         (struct move_stmt_d): Declare.
917         (move_stmt_r): New.
918         (move_block_to_fn): New.
919         (move_sese_region_to_fn): New.
920
921         * passes.c (init_optimization_passes): Schedule
922         pass_expand_omp after pass_init_datastructures.
923
924         * tree-ssa-operands.c (get_expr_operands): Handle
925         OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
926         OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
927
928 2006-01-19  Jeff Law  <law@redhat.com>
929
930         * tree-vrp.c (extract_range_from_assert): Refine the result range
931         if the variable referenced by the ASSERT_EXPR has a range and
932         either the tentative result range or the previous range is a
933         VR_ANTI_RANGE.
934
935 2006-01-19  Richard Sandiford  <richard@codesourcery.com>
936
937         * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
938
939 2006-01-19  Jan Hubicka  <jh@suse.cz>
940
941         * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
942
943 2006-01-19  Paolo Bonzini  <bonzini@gnu.org>
944
945         * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
946         (expand_compound_operation, expand_field_assignment): Fail if the
947         bit lengths of an extract operation are out of range.
948         (make_extraction): Compute wanted_inner_mode based on the position
949         and length of the extraction.  Make it extraction_mode for non-constant
950         positions, and do not modify offset in that case.  When generating a
951         new MEM, use a mode that can hold the extraction while keeping correct
952         alignment.  Remove code that supported MEMs wrapped by USEs.
953         (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
954
955 2006-01-19  Andreas Krebbel  <krebbel1@de.ibm.com>
956
957         * config/s390/s390.md ("Y", "y"): New mode attribute.
958         ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
959         "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
960         "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
961         "*addsi3_imm_cc", "*addsi3_carry1_cc",
962         "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
963         "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
964         "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
965         "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
966         "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
967         "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
968         "addsi3", "subsi3"): Insn patterns removed.
969         ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
970         "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
971         "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
972         "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
973         "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
974         "*sub<mode>3_cconly2"): New insn patterns.
975         ("addsi3", "subsi3"): New expanders.
976
977 2006-01-19  Dorit Nuzman  <dorit@il.ibm.com>
978
979         * Makefile.in (tree-vect-patterns.o): Add rule for new file.
980         * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
981         existing STMT_VINFO_VECTYPE if available.
982         (vect_mark_relevant): Add special handling for stmts that are
983         marked as STMT_VINFO_IN_PATTERN_P.
984         (vect_analyze_loop): Call vect_pattern_recog.
985         * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
986         * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
987         stmt_info.
988         (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
989         (vect_recog_func_ptr): New function-pointer type.
990         * tree-vect-patterns.c: New file.
991         (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
992         (vect_recog_dot_prod_pattern, vect_pattern_recog):
993         (vect_pattern_recog_1): New functions.
994         (vect_pattern_recog_funcs): New array of function pointers.
995
996         * tree-vectorizer.h (ternary_op): New enum value.
997         * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
998         declaration. Revised documentation. Removed redundant dump prints.
999         Removed redundant argument. Added support for reduction patterns.
1000         (vectorizable_reduction): Added support for reduction patterns.
1001         (vect_transform_stmt): Added support for patterns.
1002
1003         * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
1004         * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
1005         * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
1006         (expand_widen_pattern_expr): New function.
1007         (init_optabs): Initialize new optabs udot_prod_optab,
1008         sdot_prod_optab.
1009         * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
1010         (sdot_prod_optab, udot_prod_optab): Define new optabs.
1011         (expand_widen_pattern_expr): New function declaration.
1012         * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
1013         tree-codes.
1014         * tree-inline.c (estimate_num_insns_1): Added cases for new
1015         tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1016         * tree-pretty-print.c (dump_generic_node): Likewise.
1017         (op_prio): Likewise.
1018         (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1019         * tree-ssa-operands.c (get_expr_operands): Added case for
1020         DOT_PROD_EXPR.
1021         * tree-vect-patterns.c (widened_name_p): New function.
1022         (vect_recog_dot_prod_pattern): Added function implementation.
1023         * tree-vect-transform.c (get_initial_def_for_reduction): Added
1024         cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
1025         * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
1026         * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
1027
1028         * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
1029         * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
1030         * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
1031         (init_optabs): Initialize new optabs widen_ssum_optab,
1032         widen_usum_optab.
1033         * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
1034         (widen_ssum_optab, widen_usum_optab): Define new optabs.
1035         * tree-vect-generic.c: (expand_vector_operations_1): Check type of
1036         use instead of type of def.
1037         * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
1038         function implementation.
1039         * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
1040         widen_ssumv8hi): New.
1041
1042         * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
1043         patterns.
1044
1045 2006-01-19  Richard Sandiford  <richard@codesourcery.com>
1046
1047         PR c/25805
1048         * c-decl.c (add_flexible_array_elts_to_size): New function.
1049         (finish_decl): Use it.
1050
1051 2006-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
1052
1053         * diagnostic.h: Include options.h.
1054         * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
1055         dependancies for diagnostic.h.
1056         * Makefile.in (DIAGNOSTIC_H): Add options.h.
1057
1058 2006-01-16  Daniel Berlin  <dberlin@dberlin.org>
1059
1060         * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
1061         (ssa_ro_call_cache_valid): Ditto.
1062         * tree-ssa-alias.c (sort_tags_by_id): New function.
1063         (init_transitive_clobber_worklist): Ditto.
1064         (add_to_worklist): Ditto.
1065         (mark_aliases_call_clobbered): Ditto.
1066         (compute_tag_properties): Ditto.
1067         (set_initial_properties): Ditto.
1068         (compute_call_clobbered): Ditto.
1069         (compute_may_aliases):  Call compute_call_clobbered and grouping.
1070         (compute_flow_sensitive_aliasing): Remove clobbering related code.
1071         (compute_flow_insensitive_aliasing): Grouping now happens in our
1072         caller.
1073         (setup_pointers_and_addressables): Remove clobbering related code.
1074         (add_may_alias): Ditto.
1075         (replace_may_alias): Ditto.
1076         (get_nmt_for): Ditto.
1077         (create_global_var):
1078         (is_escape_site): Return an escape_type enumeration.
1079         * tree-flow-inline.h (is_call_clobbered):  Global var does not
1080         imply call clobbered.
1081         (mark_call_clobbered): Take a reason for marking this. Remove
1082         marking of globalness, and cache invalidation.
1083         (clear_call_clobbered): Remove cache invalidation code.
1084         * tree-dfa.c (dump_variable): If details is on, dump the reason
1085         for escaping.
1086         * tree-outof-ssa.c (create_temp): Copy escape mask from original
1087         variable.
1088         * tree-flow.h (struct ptr_info_def): Add escape mask member.
1089         (struct var_ann_d): Ditto.
1090         (enum escape_type): New.
1091         (mark_call_clobbered): Adjust prototype.
1092         * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
1093         are never call clobbered.
1094         Record reasons for escaping.
1095         * tree-ssa-structalias.h (is_escape_site): Update prototype.
1096         * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
1097         (ssa_ro_call_cache_valid): Ditto.
1098         (clobbered_v_may_defs): Ditto.
1099         (clobbered_vuses): Ditto.
1100         (ro_call_vuses): Ditto.
1101         (clobber_stats): New.
1102         (init_ssa_operands): Zero out clobber stats.
1103         (fini_ssa_operands): Print out clobber stats.
1104         (get_call_expr_operands): Pass callee fndecl to
1105         add_call_read_ops).
1106         (add_call_clobber_ops): Remove use of cache.
1107         Add use of PURE_CONST information.
1108         (add_call_read_ops): Remove use of cache.
1109         Add use of static not_read information.
1110
1111 2006-01-18  Alexandre Oliva  <aoliva@redhat.com>
1112
1113         Introduce TLS descriptors for i386 and x86_64.
1114         * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
1115         (TARGET_ANY_GNU_TLS): New macro.
1116         (enum tls_dialect): Added TLS_DIALECT_GNU2.
1117         (struct machine_function): Add tls_descriptor_call_expanded_p.
1118         (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
1119         (ix86_current_function_calls_tls_descriptor): Likewise.
1120         * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
1121         (override_options): Introduce gnu2 tls dialect.
1122         (ix86_frame_pointer_required): Functions containing TLSCALLs are
1123         not leaves.
1124         (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
1125         Likewise.
1126         (legitimize_tls_address): Adjust logic for GNU2 TLS.
1127         (ix86_init_machine_status): Initialize new field.
1128         (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
1129         (ix86_tls_module_base): New.
1130         * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
1131         * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
1132         (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
1133         (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
1134         (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
1135         (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
1136         (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
1137         (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
1138         * config/i386/predicates.md (tls_modbase_operand): New.
1139         (tp_or_register_operand): New.
1140
1141 2006-01-18  Daniel Berlin  <dberlin@dberlin.org>
1142
1143         * ipa-reference.c (check_operand):  Allow FUNCTION_DECL.
1144         (look_for_address_of): Ditto.
1145         (ipa_init): Walk the function decls.
1146         (static_execute): Don't set readonly on FUNCTION_DECL's.
1147
1148 2006-01-18  Roger Sayle  <roger@eyesopen.com>
1149
1150         * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
1151         for shifts where the source and destination registers are different.
1152
1153 2006-01-18  Paul Brook  <paul@codesourcery.com>
1154
1155         Merge from csl-arm-branch.
1156         2005-03-14  Julian Brown  <julian@codesourcery.com>
1157         * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
1158         (aeabi_llsl): Likewise.
1159         (ashrdi3): Likewise.
1160         (aeabi_lasr): Likewise.
1161         (lshrdi3): Likewise.
1162         (aeabi_llsr): Likewise.
1163         2005-03-10  Julian Brown  <julian@codesourcery.com>
1164         * config.gcc: Disable shared libgcc for SymbianOS.
1165         * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
1166
1167 2006-01-18  DJ Delorie  <dj@redhat.com>
1168
1169         * c-pragma.c (handle_pragma_diagnostic): New.
1170         (init_pragma): Register it.
1171         * doc/extend.texi: Document it.
1172
1173         * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
1174         * diagnostic.h (diagnostic_classify_diagnostic): Declare.
1175         (diagnostic_context): Add classify_diagnostic[].
1176         * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
1177         as errors if they're overridden to DK_WARNING.
1178         (diagnostic_initialize): Initialize classify_diagnostic[].
1179         (diagnostic_set_kind_override): New.
1180         (diagnostic_report_diagnostic): Check for kind changes.
1181         * opts.c (common_handle_option): Take lang_mask.  Update callers.
1182         Handle OPT_Werror_.
1183         * common.opt (Werror=): New.
1184         * doc/invoke.texi: Document -Werror=*
1185
1186 2006-01-18  Jeff Law  <law@redhat.com>
1187
1188         * tree-vrp.c (test_for_singularity): Correct test for new
1189         min limit.  Use operand_equal_p rather than pointer equality
1190         for testing if new min/max values are equal.
1191
1192         * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
1193         using range information until after propagation and folding.
1194
1195 2006-01-18  Richard Henderson  <rth@redhat.com>
1196             Aldy Hernandez  <aldyh@redhat.com>
1197             Jakub Jelinek  <jakub@redhat.com>
1198             Diego Novillo  <dnovillo@redhat.com>
1199
1200         * omp-low.c: New file.
1201         * c-omp.c: New file.
1202
1203 2006-01-18  Richard Henderson  <rth@redhat.com>
1204             Jakub Jelinek  <jakub@redhat.com>
1205             Diego Novillo  <dnovillo@redhat.com>
1206
1207         * doc/invoke.texi: Document -fopenmp.
1208         * tree-dump.h (debug_function): Declare.
1209         * hooks.c (hook_bool_tree_bool_false): New function.
1210         (hook_tree_tree_null): Remove.
1211         (hook_tree_tree_tree_null): New.
1212         * hooks.h: Update to match.
1213         * tree-pretty-print.c (debug_tree_chain): New.
1214         (print_generic_expr): Handle TDF_CHAIN.
1215         (dump_generic_node): Handle BLOCK.
1216         Do not abort with incomplete SWITCH_EXPRs.
1217         Do not dump body of an OpenMP directive if TDF_SLIM is given.
1218         <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
1219         print space after directive name.
1220         <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
1221         Handle OMP_MASTER and OMP_ORDERED.
1222         Handle printing of OMP_BODY just in one place, goto
1223         dump_omp_body in the rest of OMP_* nodes that have
1224         OMP_BODY.
1225         Don't handle clause nodes here.  Update omp statements to
1226         use dump_omp_clauses.
1227         Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
1228         OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
1229         OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
1230         GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
1231         GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
1232         GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
1233         Adjust output for GOMP_PARALLEL.
1234         (dump_omp_clauses): New.
1235         (print_declaration): Dump DECL_VALUE_EXPR.
1236         (op_symbol_1): Split out of op_symbol.
1237         (dumping_stmts): Remove.  Update all users.
1238         * cgraph.c (cgraph_analyze_queue): New.
1239         (cgraph_add_new_function): New.
1240         * cgraph.h (cgraph_analyze_queue): Declare.
1241         (cgraph_add_new_function): Declare.
1242         (cgraph_lower_function): Remove.
1243         * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
1244         nodes.  Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
1245         and TYPE_P nodes in its default clause.
1246         (empty_body_p): New.
1247         (tree_range_check_failed): New.
1248         (build5_stat): New.
1249         * tree.h (OMP_CLAUSE_REDUCTION_INIT,
1250         OMP_CLAUSE_REDUCTION_MERGE,
1251         OMP_CLAUSE_REDUCTION_PLACEHOLDER,
1252         OMP_CLAUSE_PRIVATE_DEBUG,
1253         OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
1254         OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
1255         OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
1256         OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
1257         OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
1258         OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
1259         OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
1260         OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
1261         OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
1262         OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
1263         OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
1264         OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
1265         OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
1266         OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
1267         (TREE_RANGE_CHECK): New.
1268         (empty_body_p): Declare.
1269         (enum omp_clause_default_kind): New.
1270         (build_string_literal): Declare.
1271         (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
1272         (build5_stat, build5): Declare.
1273         * tree-pass.h (TDF_CHAIN): Define.
1274         * tree-pass.h (PROP_gimple_lomp): Define.
1275         (pass_lower_omp): Declare.
1276         * diagnostic.h (debug_tree_chain): Declare.
1277         * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
1278         mode_for_size.
1279         (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
1280         * builtins.c (build_string_literal): Make extern.
1281         * gcc.c (include_spec_function): New.
1282         (static_spec_functions): Add it.
1283         (main): Move load of libgomp.spec ...
1284         (LINK_COMMAND_SPEC): ... here.
1285         (link_gomp_spec): New.
1286         (static_specs): Include it.
1287         (LINK_COMMAND_SPEC): Add link_gomp.
1288         (GOMP_SELF_SPECS): New.
1289         (driver_self_specs): Include it.
1290         (switch_matches): Don't mark inline.
1291         (main): Load libgomp.spec.
1292         * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
1293         OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
1294         and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
1295         * tree-gimple.h (enum omp_parallel): Declare.
1296         (determine_parallel_type): Declare.
1297         (omp_firstprivatize_variable): Declare.
1298         (omp_reduction_init): Declare.
1299         (diagnose_omp_structured_block_errors): Declare.
1300         (struct walk_stmt_info): Add want_return_expr.
1301         (struct walk_stmt_info): Add want_bind_expr, want_locations.
1302         (find_omp_clause): Declare.
1303         (insert_field_into_struct): Declare.
1304         (struct walk_stmt_info): Move from tree-nested.c
1305         (walk_stmts): Declare.
1306         * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
1307         to 200505.
1308         * cgraphunit.c (cgraph_lower_function): Make static.
1309         (cgraph_finalize_pending_functions): New.
1310         (cgraph_finalize_function): Call it.
1311         (cgraph_finalize_compilation_unit): Likewise.
1312         * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
1313         BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
1314         (BT_FN_UINT_UINT): New.
1315         (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
1316         DEF_FUNCTION_TYPE_VAR_4): Document.
1317         (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
1318         BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
1319         BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
1320         BT_FN_VOID_OMPFN_PTR_UINT_UINT,
1321         BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
1322         BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
1323         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
1324         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
1325         * builtins.def: Update DEF_BUILTIN comment to include COND argument.
1326         Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
1327         into separate files.
1328         (DEF_GOMP_BUILTIN): New.
1329         (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
1330         BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
1331         BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
1332         BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
1333         BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
1334         BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
1335         BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
1336         BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
1337         BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
1338         BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
1339         BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
1340         BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
1341         BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
1342         BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
1343         BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
1344         BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
1345         BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
1346         BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
1347         BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
1348         BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
1349         BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
1350         BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
1351         BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
1352         BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
1353         BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
1354         BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
1355         * sync-builtins.def: New file, moved from builtins.def.
1356         * omp-builtins.def: New file, moved from builtins.def.
1357         * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
1358         * gimple-low.c (lower_function_body): Clear data.
1359         (lower_stmt): Do not handle COMPOUND_EXPR.
1360         Remove call to print_node_brief.
1361         * c-tree.h (c_finish_omp_clauses): New prototype.
1362         (C_DECL_THREADPRIVATE_P): Define.
1363         (lookup_name_no_remap, c_omp_remap_private): Remove
1364         (c_begin_omp_parallel, c_finish_omp_parallel): Update.
1365         (check_for_loop_decls): Update decl.
1366         (lookup_name_no_remap, c_omp_remap_private): Declare.
1367         (build_indirect_ref, build_modify_expr, pushdecl,
1368         pushdecl_top_level): Move to c-common.h.
1369         * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
1370         before the switch, but just in the 2 places that need it.
1371         * c-decl.c (diagnose_mismatched_decls): Do not check for
1372         mismatched thread-local attributes when OLDDECL is marked
1373         threadprivate and NEWDECL has no thread-local attributes.
1374         (merge_decls): Merge C_DECL_THREADPRIVATE_P.
1375         (c_gimple_diagnostics_recursively): Rename from
1376         c_warn_unused_result_recursively.  Invoke
1377         diagnose_omp_structured_block_errors.
1378         (check_for_loop_decls): Return a singular decl found.
1379         * langhooks.c (lhd_omp_predetermined_sharing): Return
1380         OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
1381         (lhd_omp_firstprivatize_type_sizes): New.
1382         (lhd_omp_assignment): New.
1383         (lhd_omp_predetermined_sharing): New.
1384         * langhooks.h (struct gimplify_omp_ctx): Forward declare.
1385         (struct lang_hooks_for_types): Add
1386         omp_firstprivatize_type_sizes, omp_privatize_by_reference,
1387         omp_predetermined_sharing, omp_disregard_value_expr,
1388         omp_private_debug_clause, omp_clause_default_ctor,
1389         omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
1390         (c_finish_omp_clauses): New.
1391         (c_finish_bc_stmt): Diagnose break within omp for.
1392         (c_begin_omp_parallel, c_finish_omp_parallel): New.
1393         (build_unary_op): Return error_mark after reporting
1394         a readonly_error.
1395         (build_modify_expr): Likewise.
1396         * gimplify.c: Include optabs.h and pointer-set.h.
1397         (enum gimplify_omp_var_data): Declare.
1398         (struct gimplify_omp_ctx): Declare.
1399         (struct gimplify_ctx): Add fields prev_context, combined_pre_p
1400         and combined_ctxp.
1401         (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
1402         (push_gimplify_context, pop_gimplify_context): Allow nesting.
1403         (splay_tree_compare_decl_uid): New.
1404         (new_omp_context): New.
1405         (delete_omp_context): New.
1406         (gimple_add_tmp_var): Call omp_add_variable.
1407         (gimplify_bind_expr): Likewise.
1408         (gimplify_var_or_parm_decl): If omp_notice_variable returned
1409         true, disregard DECL_VALUE_EXPR on the decl if any.
1410         (gimplify_expr_in_ctx): New.
1411         (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
1412         omp_add_variable, omp_notice_variable, omp_is_private
1413         gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
1414         gimplify_adjust_omp_clauses, gimplify_omp_parallel
1415         gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
1416         gimplify_omp_atomic_fetch_op, goa_stabilize_expr
1417         gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
1418         gimplify_omp_atomic): New.
1419         (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1420         OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1421         OMP_CRITICAL and OMP_ATOMIC.
1422         (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
1423         * c-pragma.h (enum pragma_kind): Add
1424         PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
1425         PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
1426         PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
1427         PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
1428         PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
1429         PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
1430         PRAGMA_OMP_THREADPRIVATE.
1431         * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1432         OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1433         OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
1434         OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
1435         OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
1436         OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
1437         OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
1438         OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
1439         OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
1440         * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
1441         * tree-ssa-dce.c (find_control_dependence): Do not assume that
1442         ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
1443         * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
1444         OpenMP directives.
1445         (struct nesting_info): Add field_map,
1446         suppress_expansion, debug_var_chain.
1447         (create_nesting_tree): Initialize them.
1448         (lookup_field_for_decl): Use field_map.
1449         (get_nonlocal_debug_decl, get_local_debug_decl): New.
1450         (convert_local_omp_clauses): New.
1451         (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
1452         (walk_body): Split out of walk_function.
1453         (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
1454         (convert_nonlocal_reference): Handle omp statements.
1455         (convert_local_reference): Likewise.
1456         (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
1457         (unnest_nesting_tree): New.
1458         (lower_nested_functions): Call it.
1459         (insert_field_into_struct): Make extern.
1460         (struct walk_stmt_info): Move to tree-gimple.h.
1461         (walk_stmts): Make extern.
1462         * omp-builtins.def: New file.
1463         * tree-iterator.c (expr_only): Clarify comment.
1464         * c-common.h (pushdecl_top_level, pushdecl,
1465         build_modify_expr, build_indirect_ref,
1466         c_finish_omp_master, c_finish_omp_critical,
1467         c_finish_omp_ordered, c_finish_omp_barrier,
1468         c_finish_omp_atomic, c_finish_omp_flush,
1469         c_finish_omp_for, c_split_parallel_clauses,
1470         omp_clause_default_kind, c_omp_sharing_predetermined,
1471         c_omp_remap_decl): Declare.
1472         * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
1473         (OBJS-common): Add omp-low.o.
1474         (c-omp.o, omp-low.o): Add.
1475         (gimplify.o): Add dependency on $(OPTABS_H).
1476         (GTFILES): Add omp-low.c.
1477         (gt-stringpool.h): Add.
1478         * tree-cfg.c (set_bb_for_stmt): Do not update the
1479         block-to-labels map if we are currently expanding to RTL.
1480         (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
1481         checks.
1482         Handle IDENTIFIER_NODE.
1483         (tree_verify_flow_info): Do not ICE when emitting error
1484         messages about invalid labels.
1485         (dump_function_to_file): Reset CFUN before emitting the body
1486         of the function.
1487         (debug_function): New.
1488         * passes.c (init_optimization_passes): Schedule
1489         pass_lower_omp.
1490         * langhooks-def.h (lhd_omp_predetermined_sharing,
1491         lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
1492         Declare.
1493         (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
1494         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
1495         (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
1496         LANG_HOOKS_OMP_PREDETERMINED_SHARING,
1497         LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
1498         LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
1499         LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
1500         LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
1501         LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
1502         LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
1503         (LANG_HOOK_DECLS): Use them.
1504
1505 2006-01-18  Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
1506             Richard Henderson  <rth@redhat.com>
1507             Jakub Jelinek  <jakub@redhat.com>
1508             Diego Novillo  <dnovillo@redhat.com>
1509
1510         * c-parser.c (pragma_omp_clause): Define.
1511         (c_parser_declaration_or_fndef): Document OpenMP syntax.
1512         (c_parser_compound_statement): Likewise.
1513         (c_parser_statement): Likewise.
1514         (c_parser_pragma): Handle omp pragmas.
1515         (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
1516         OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
1517         (c_parser_omp_clause_name, check_no_duplicate_clause,
1518         c_parser_omp_variable_list,
1519         c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
1520         c_parser_omp_clause_copyprivate,
1521         c_parser_omp_clause_default,
1522         c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
1523         c_parser_omp_clause_lastprivate,
1524         c_parser_omp_clause_nowait,
1525         c_parser_omp_clause_num_threads,
1526         c_parser_omp_clause_ordered, c_parser_omp_clause_private,
1527         c_parser_omp_clause_reduction,
1528         c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
1529         c_parser_omp_all_clauses, c_parser_omp_structured_block,
1530         c_parser_omp_atomic, c_parser_omp_barrier,
1531         c_parser_omp_critical, c_parser_omp_flush,
1532         c_parser_omp_for_loop, c_parser_omp_for,
1533         c_parser_omp_master, c_parser_omp_ordered,
1534         c_parser_omp_sections_scope, c_parser_omp_sections,
1535         c_parser_omp_parallel, c_parser_omp_single,
1536         c_parser_omp_construct, c_parser_omp_threadprivate): New.
1537         * c-pragma.c (init_pragma): Do omp pragma registration here.
1538         * c.opt (fopenmp): New flag.
1539
1540 2006-01-18  Eric Christopher  <echristo@apple.com>
1541
1542         * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
1543         * config/darwin.h (GOMP_SELF_SPECS): Define.
1544
1545 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
1546
1547         * rtl.h: Remove the prototype for reg_alloc.
1548
1549 2006-01-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1550
1551         PR target/25731
1552         * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
1553         hppa[12]*-*-hpux11*): Override default shared libgcc version for both
1554         sjlj and dwarf2 exception handling.
1555         * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
1556         Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
1557         * pa/pa.c (function_value): Treat complex and vector types as
1558         aggregates.
1559         (function_arg): Likewise.  Only pass scalar floats in the floating
1560         point argument registers.
1561         * pa/t-slibgcc-dwarf-ver: New file.
1562         * pa/t-slibgcc-sjlj-ver: New file.
1563         * pa/t-slibgcc-elf-ver: Delete file.
1564
1565 2006-01-19  Alan Modra  <amodra@bigpond.net.au>
1566
1567         * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
1568         unlikely_test_section_p test.
1569
1570 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
1571
1572         * mode-switching.c (optimize_mode_switching): Make it static.
1573         * basic-block.h: Remove the prototype for
1574         optimize_mode_switching.
1575
1576         * modulo-sched.c (sms_schedule): Make it static.
1577         * rtl.h: Remove the prototype for sms_schedule.
1578
1579         * postreload-gcse.c (gcse_after_reload_main): Make it static.
1580         * rtl.h: Remove the prototype for gcse_after_reload_main.
1581
1582         * reg-stack.c (reg_to_stack): Make it static.
1583         * rtl.h: Remove the prototype for reg_to_stack.
1584
1585         * regrename.c (regrename_optimize, copyprop_hardreg_forward):
1586         Make them static.
1587         * rtl.h: Remove the prototypes for regrename_optimize and
1588         copyprop_hardreg_forward.
1589
1590 2006-01-18  Eric Botcazou  <ebotcazou@adacore.com>
1591
1592         * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
1593         alpha_split_tmode_pair.  Add 'mode' and 'fixup_overlap' arguments.
1594         Test against the appropriate null constant for the mode.
1595         If 'fixup_overlap' is true, swap the operands if they overlap.
1596         (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
1597         * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
1598         alpha_split_tmode_pair and adjust for above change.
1599         * config/alpha/alpha.md (movtf_internal): Adjust call to
1600         alpha_split_tfmode_pair and rely on it to swap the operands.
1601         (movti_internal): New insn and post-reload splitter.
1602         (movti): New expander.
1603
1604 2006-01-18  Philippe De Muyter  <phdm@macqel.be>
1605
1606         * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
1607         operands.
1608
1609 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
1610
1611         * rtlanal.c (global_reg_mentioned_p_1,
1612         global_reg_mentioned_p): Remove.
1613         * rtl.h: Remove the prototype for global_reg_mentioned_p.
1614
1615         * flow.c (initialize_uninitialized_subregs): Make it static.
1616         * rtl.h: Remove the prototype for
1617         initialize_uninitialized_subregs.
1618
1619         * function.c (instantiate_virtual_regs): Make it static.
1620         * function.h: Remove the prototype for
1621         instantiate_virtual_regs.
1622
1623         * regmove.c (regmove_optimize, combine_stack_adjustments):
1624         Make them static.
1625         * rtl.h: Remove the prototypes for regmove_optimize and
1626         combine_stack_adjustments.
1627
1628 2006-01-17  Roger Sayle  <roger@eyesopen.com>
1629
1630         * config/i386/i386.c (COSTS_N_BYTES): New macro.
1631         (size_cost): Encode costs in bytes so that a reg-reg addition is
1632         equivalent to COSTS_N_INSNS(1).
1633         (override_options): Use the size_cost.branch_cost as the default
1634         ix86_branch_cost when optimizing for size.
1635
1636 2006-01-18  Ben Elliston  <bje@au.ibm.com>
1637
1638         * Makefile.in (D32PBIT_FUNCS): New.
1639         (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
1640         (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
1641         D64PBIT_FUNCS and D128PBIT_FUNCS.
1642         (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
1643         * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
1644         D128PBIT are set.
1645         (decnumber_dep): Define.
1646         * doc/libgcc.texi (Decimal float library routines): New node.
1647         * config/dfp-bit.h, config/dfp-bit.c: New files.
1648
1649 2006-01-18  Ben Elliston  <bje@au.ibm.com>
1650
1651         * expr.c (emit_move_change_mode): Always adjust addresses, not
1652         just during reload.  Copy replacements only during reload.
1653         (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
1654         emit_move_via_integer.
1655
1656 2006-01-17  Shantonu Sen  <ssen@opendarwin.org>
1657
1658         * Makefile.in (check-%, check-consistency): Use $${srcdir}
1659         instead of $(srcdir) and ${srcdir}.
1660
1661 2006-01-17  Richard Earnshaw  <rearnsha@arm.com>
1662
1663         PR target/592
1664         PR middle-end/11135
1665         * arm.h (struct machine_function): Add pic_reg.
1666         * arm.c (arm_pic_register): Make unsigned.
1667         (arm_override_options): Only set arm_pic_register if
1668         TARGET_SINGLE_PIC_BASE.
1669         (use_return_insn): Only test for a pic register if it is fixed.
1670         (arm_compute_save_reg0_reg12_mask): Likewise.
1671         (thumb_compute_save_reg_mask): Likewise.
1672         (legitimate_pic_operand): Factor out some known invariants.
1673         (legitimize_pic_address): If we don't have a fixed pic register,
1674         then set up a pseudo in the function entry sequence.  Handle the
1675         pic base being in a pseudo.
1676         (arm_load_pic_register): Handle the pic register being in a pseudo.
1677         (arm_expand_prologue): Only set up the pic register if it is fixed.
1678         (thumb_expand_prologue): Likewise.
1679         * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
1680         (pic_load_addr_based_insn): Likewise.
1681         (builtin_setjmp_receiver): Don't restore the pic base if it isn't
1682         fixed.
1683
1684 2006-01-18  Ben Elliston  <bje@au.ibm.com>
1685
1686         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
1687         decimal float modes for all floating point registers.
1688
1689         * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
1690         match_code "mem" with match_test "macho_lo_sum_memory_operand".
1691
1692 2006-01-17  Jakub Jelinek  <jakub@redhat.com>
1693
1694         PR c/25682
1695         * c-typeck.c (build_unary_op): Fold offsetof-like expressions
1696         even when the pointer is not NULL.
1697
1698 2006-01-16  Ian Lance Taylor  <ian@airs.com>
1699
1700         * common.opt (ftoplevel-reorder): New option.
1701         * cgraph.c (cgraph_asm_nodes): New global variable.
1702         (cgraph_asm_last_node): New static variable.
1703         (cgraph_order): New global variable.
1704         (cgraph_create_node): Set new order field.
1705         (cgraph_varpool_node): Likewise.
1706         (decide_is_variable_needed): Return true if not
1707         flag_toplevel_reorder.
1708         (cgraph_add_asm_node): New function.
1709         * cgraph.h (struct cgraph_node): Add order field.
1710         (struct cgraph_varpool_node): Add order field.
1711         (struct cgraph_asm_node): Define.
1712         (cgraph_asm_nodes, cgraph_order): Declare.
1713         (cgraph_add_asm_node): Declare.
1714         * cgraphunit.c (cgraph_varpool_assemble_decl): New static
1715         function.
1716         (cgraph_varpool_assemble_pending_decls): Call it.
1717         (cgraph_output_pending_asms): New static function.
1718         (cgraph_finalize_compilation_unit): Call it.
1719         (struct cgraph_order_sort): Define.
1720         (cgraph_output_in_order): New static function.
1721         (cgraph_optimize): Call cgraph_output_pending_asms.  Add code for
1722         !flag_toplevel_reorder case.
1723         * c-parser.c: Include "cgraph.h".
1724         (c_parser_asm_definition): Call cgraph_add_asm_node rather than
1725         assemble_asm.
1726         * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
1727         than -fno-unit-at-a-time.
1728         * doc/invoke.texi (Option Summary): Mention
1729         -fno-toplevel-reorder.
1730         (Optimize Options): Document -fno-toplevel-reorder.  Mention it in
1731         -funit-at-a-time documentation.
1732
1733 2006-01-17  Hans-Peter Nilsson  <hp@axis.com>
1734             Kazu Hirata  <kazu@codesourcery.com>
1735
1736         * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
1737
1738 2006-01-17  Kazu Hirata  <kazu@codesourcery.com>
1739
1740         * Makefile.in (FUNCTION_H): New.  Use it instead of
1741         function.h throughout the file.
1742         * function.h: Include tree.h.
1743
1744 2006-01-17  Ben Elliston  <bje@au.ibm.com>
1745
1746         * recog.c: Separate some functions with whitespace.
1747
1748 2006-01-16  Richard Henderson  <rth@redhat.com>
1749
1750         Merge from gomp branch:
1751         * Makefile.in (TREE_INLINE_H): New.  Use it as needed.
1752         * tree-inline.h (struct copy_body_data): Move from tree-inline.c
1753         and rename from struct inline_data.  Rename callee* to dst*;
1754         caller* to src*; add copy_decl hook, transform_call_graph_edges,
1755         transform_new_cfg, transform_return_to_modify, and
1756         transform_lang_insert_block flags; remove cloning_p, versioning_p,
1757         update_clones_p.
1758         (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
1759         (copy_decl_for_dup): Remove.
1760         * tree-inline.c (struct inline_data): Move to header.
1761         (insert_decl_map): Export.
1762         (remap_decl): Update for member name changes.  Use copy_decl hook.
1763         Allow for replacement to be a non-decl.  Remove dead code.
1764         (remap_type_1): Check for existing mapping.
1765         (remap_type): Export.
1766         (remap_decls): Update for member name changes.
1767         (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
1768         (copy_body, setup_one_parameter, declare_return_variable): Likewise.
1769         (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
1770         (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
1771         (tree_function_versioning, build_duplicate_type): Likewise.
1772         (copy_body_r): Likewise.  Export.
1773         (copy_decl_for_dup): Split into ...
1774         (copy_decl_for_dup_finish, copy_decl_to_var,
1775         copy_decl_no_change, copy_decl_maybe_to_var): ... these.
1776         (replace_ref_tree, inlining_p): Remove.
1777
1778 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
1779
1780         * ifcvt.c (if_convert): Make it static.
1781         * rtl.h: Remove the prototype for if_convert.
1782
1783         * local-alloc.c (local_alloc): Make it static.
1784         * rtl.h: Remove the prototype for local_alloc.
1785
1786         * loop.c (loop_optimize): Make it static.
1787         * cfgloop.h: Remove the prototype for loop_optimize.
1788         * rtl.h: Likewise.
1789
1790 2006-01-16  DJ Delorie  <dj@redhat.com>
1791
1792         * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
1793         mems.
1794
1795 2006-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1796
1797         * pa.md: Disparage copies between general and floating-point registers
1798         in 32-bit move patterns.
1799
1800 2006-01-16  H.J. Lu  <hongjiu.lu@intel.com>
1801
1802         PR testsuite/25741
1803         * Makefile.in (check-%): Depend on site.exp instead of
1804         $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
1805         directories.
1806
1807 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
1808
1809         * global.c (global_alloc): Make it static.
1810         * rtl.h: Remove the prototype for global_alloc.
1811
1812 2006-01-16  Richard Guenther  <rguenther@suse.de>
1813
1814         * tree-ssa-alias.c (struct used_part): Add write_only field.
1815         (get_or_create_used_part_for): Initialize it to true.
1816         (create_overlap_variables_for): Don't create structure variables
1817         for structures that only are written to.
1818         (find_used_portions): Handle MODIFY_EXPR to track whether a
1819         structure is only written to.
1820
1821 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
1822
1823         * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
1824         static.
1825         * basic-block.h: Remove the prototype for
1826         partition_hot_cold_basic_blocks.
1827
1828 2006-01-16  Rafael Ãƒvila de Espíndola <rafael.espindola@gmail.com>
1829
1830         * cppspec.c (lang_specific_spec_functions): Remove.
1831         * gcc.c (lookup_spec_function): Use static_spec_functions directly.
1832         * gcc.h (lang_specific_spec_functions): Remove.
1833         * gccspec.c (lang_specific_spec_functions): Remove.
1834
1835 2005-01-16  Paolo Bonzini  <bonzini@gnu.org>
1836
1837         * combine.c (record_value_for_reg): Invalidate registers
1838         if INSN is null.
1839         (record_dead_and_set_regs_1): Likewise, by passing them to
1840         record_value_for_reg.
1841         (record_dead_and_set_regs): Invalidate stores made by a
1842         call.  We do not combine across a call, but we still
1843         relied on equivalences.
1844
1845 2006-01-16  Eric Botcazou  <ebotcazou@adacore.com>
1846
1847         * tree-vrp.c (extract_range_from_binary_expr): Cope with
1848         vrp_int_const_binop returning non-constant nodes.
1849
1850 2006-01-16  Paul Brook  <paul@codesourcery.com>
1851
1852         * config/m68k/m68k.c (output_move_const_into_data_reg):
1853         Output correct mnemonic for mvz and mvs.
1854
1855 2006-01-16  Gabor Loki  <loki@gcc.gnu.org>
1856
1857         * rtl-factoring.c: Add sequence abstraction algorithm.
1858         * cfgcleanup.c (outgoing_edges_match): Extra checks.
1859         (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
1860         ABNORMAL edges.
1861         (block_has_preserve_label): New function.
1862         * common.opt: Register new pass.
1863         * Makefile.in: Ditto.
1864         * passes.c: Ditto.
1865         * timevar.def: Ditto.
1866         * tree-pass.h: Ditto.
1867         * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
1868         * rtl.h (make_jump_insn_raw): Add forward decl.
1869         * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
1870
1871 2006-01-16  Eric Botcazou  <ebotcazou@adacore.com>
1872             Roger Sayle  <roger@eyesopen.com>
1873
1874         * fold-const.c (fold_minmax): New static function.
1875         (fold_binary) <MIN_EXPR>: Call it.
1876         <MAX_EXPR>: Likewise.
1877         * stor-layout.c (place_field): Use DECL_SIZE consistently
1878         in the computation of the new record size.
1879
1880 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
1881
1882         * cse.c (cse_condition_code_reg): Make it static.
1883         * rtl.h: Remove the prototype for cse_condition_code_reg.
1884
1885         * combine.c (combine_instructions): Make it static.
1886         * rtl.h: Remove the prototype for combine_instructions.
1887
1888 2006-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1889
1890         PR target/25168
1891         * tree.c (get_file_function_name_long): Concatenate the first global
1892         object name with a string derived from the input filename of the object
1893         for type "F".
1894
1895 2006-01-16  Ben Elliston  <bje@au.ibm.com>
1896
1897         * config/i386/winnt-stubs.c: Update FSF address.
1898         * config/xtensa/ieee754-df.S: Ditto.
1899         * config/xtensa/ieee754-sf.S: Ditto.
1900
1901 2006-01-14  Ian Lance Taylor  <ian@airs.com>
1902
1903         * ifcvt.c (noce_init_if_info): New static function, broken out of
1904         noce_process_if_block.
1905         (noce_process_if_block): Call noce_init_if_info.
1906         (check_cond_move_block): New static function.
1907         (cond_move_process_if_block): New static function.
1908         (process_if_block): Call cond_move_process_if_block.
1909
1910 2006-01-15  Kazu Hirata  <kazu@codesourcery.com>
1911
1912         * cselib.c (hash_table): Rename to cselib_hash_table.
1913         (cselib_clear_table, discard_useless_values,
1914         remove_useless_values, cselib_lookup_mem, cselib_lookup,
1915         cselib_init, cselib_finish): Adjust uses of hash_table.
1916
1917 2006-01-14  Kazu Hirata  <kazu@codesourcery.com>
1918
1919         PR tree-optimization/25485
1920         * tree-vrp.c (extract_range_from_binary_expr): Handle cases
1921         where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
1922         is known to be false and true, respectively.
1923
1924 2006-01-14  Richard Guenther  <rguenther@suse.de>
1925
1926         PR tree-optimization/22548
1927         PR tree-optimization/22555
1928         PR tree-optimization/22501
1929         * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
1930         * params.def (salias-max-array-elements): New parameter.
1931         * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
1932         * doc/invoke.texi (salias-max-array-elements): Document.
1933         * tree-flow-inline.h (var_can_have_subvars): We also handle
1934         arrays now.
1935         * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
1936         COMPONENT_REF.
1937         * tree-ssa-structalias.c (params.h): Include.
1938         (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
1939         (find_func_aliases): Handle multiple constraints from ARRAY_REF.
1940         (get_constraint_for): For ADDR_EXPR operating on something
1941         containing an ARRAY_REF, add all subvars to the solution.
1942         (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
1943         * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
1944         for creating MUST_DEFs.
1945         (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
1946
1947 2006-01-14  Zdenek Dvorak <dvorakz@suse.cz>
1948
1949         * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
1950         functions.
1951         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
1952         assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1953         number_of_iterations_le): New functions.
1954         (number_of_iterations_special): Removed.
1955         (number_of_iterations_exit): Do not use number_of_iterations_special.
1956         * tree.c (unsigned_type_for): Always return integer type.
1957
1958 2006-01-14  Steven Bosscher  <stevenb.gcc@gmail.com>
1959         Richard Guenther  <rguenther@suse.de>
1960
1961         PR rtl-optimization/24257
1962         * gcse.c (find_moveable_store): Only consider a store movable
1963         when the SET_SRC of the insn can be assigned to a register.
1964
1965 2006-01-14  Ian Lance Taylor  <ian@airs.com>
1966
1967         * tree.c (tree_not_class_check_failed): New function.
1968         * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
1969         (tree_not_class_check_failed): Declare.
1970
1971 2006-01-13  Ian Lance Taylor  <ian@airs.com>
1972
1973         * reload1.c (do_output_reload): Add assertion rejecting a
1974         CALL_INSN.
1975
1976 2006-01-13  Adam Nemet  <anemet@caviumnetworks.com>
1977
1978         * combine.c (struct reg_stat): Add new fields truncation_label and
1979         truncated_to_mode.
1980         (record_value_for_reg): Reset truncated_to_mode.
1981         (record_truncated_value): New function.
1982         (check_promoted_subreg): Call it.  Rename to check_conversions.
1983         (combine_instructions): Rename check_promoted_subreg to
1984         check_conversions.
1985         (reg_truncated_to_mode): New function.
1986         (make_extraction): Use it.  Check TRULY_NOOP_TRUNCATION.
1987         (gen_lowpart_or_truncate): New function.
1988         (force_to_mode): Use it instead of gen_lowpart.
1989
1990 2006-01-13  Diego Novillo  <dnovillo@redhat.com>
1991
1992         * tree-ssa-alias.c (add_type_alias): Fix typo.  Test whether
1993         VAR is a tag, not its type tag.
1994
1995 2006-01-13  Alexandre Oliva  <aoliva@redhat.com>
1996
1997         * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
1998         alternatives to match style of other entries.
1999         (*vec_extractv2di_1_sse): Likewise.  Fix mode attr.
2000
2001 2006-01-13  Daniel Berlin  <dberlin@dberlin.org>
2002
2003         PR tree-optimization/25771
2004         * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
2005         SSA_NAMES.
2006
2007 2006-01-13  Andrew Pinski  <pinskia@physics.uc.edu>
2008
2009         PR tree-opt/24365
2010         * tree-inline.c (declare_return_variable): If the return variable
2011         was marked as a non gimple complex, set the return slot variable
2012         to be a non gimple comple variable.
2013
2014 2006-01-13  Richard Guenther  <rguenther@suse.de>
2015
2016         * builtins.c (expand_builtin_sincos): New function.
2017         (expand_builtin_mathfn_3): Remove dead code, sin and cos
2018         do not set errno.
2019         (expand_builtin): Expand sincos using expand_builtin_sincos.
2020
2021 2006-01-12  DJ Delorie  <dj@redhat.com>
2022
2023         * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
2024         shift counts, separate SI shifts for m32c vs m16c, pass shift type
2025         so that constant shifts can be split.
2026         * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
2027         (m32c_valid_pointer_mode): Make static.
2028         (shift_gen_func_for): New.
2029         (m32c_prepare_shift): Use it.  Split large const shifts into
2030         multiple shifts.
2031         * config/m32c/predicates.md (shiftcount_operand): Allow more
2032         general operands.
2033         (longshiftcount_operand): New.
2034         * doc/md.texi (Machine Constraints): Document In6.
2035
2036 2006-01-13  Ben Elliston  <bje@au.ibm.com>
2037
2038         * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
2039         REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
2040         documentation.
2041
2042 2006-01-12  Daniel Berlin  <dberlin@dberlin.org>
2043
2044         * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
2045         to try to avoid clobbering pieces of structures when we know
2046         something about the whole structure.
2047         * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
2048
2049 2006-01-13  Ben Elliston  <bje@au.ibm.com>
2050
2051         * doc/rtl.texi (Insns): Remove statement that libcalls cannot
2052         return in memory, as this is no limitation is no longer present.
2053
2054 2006-01-12  DJ Delorie  <dj@redhat.com>
2055
2056         * config/m32c/addsub.md (addhi3): Add two more alternatives, for
2057         mova with fb, and for fb+0 -> An.
2058
2059         * config/m32c/mov.md (peephole2): Fix enabling logic.
2060
2061         * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
2062         DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
2063         DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
2064         FINI_ARRAY_SECTION_ASM_OP): Define.
2065
2066         * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
2067         variable.
2068         (m32c_legitimize_reload_address): New logic to reload FB to An.
2069         (m32c_output_reg_push): Add newline.
2070         (m32c_output_reg_pop): Likewise.
2071
2072 2006-01-12  Ulrich Weigand  <uweigand@de.ibm.com>
2073
2074         * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
2075
2076 2006-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
2077
2078         * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
2079
2080 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
2081
2082         * config/sh/predicates.md (sh_rep_vec): Add parallel to
2083         match_code.
2084
2085 2006-01-11  Ben Elliston  <bje@au.ibm.com>
2086
2087         * rtlanal.c (find_reg_note): Assert insn is not null.
2088
2089 2005-01-11  Kenneth Zadeck <zadeck@naturalbridge.com>
2090
2091         * df-scan.c (df_hard_reg_init): Move declaration of i outside
2092         ifdef.
2093
2094 2006-01-11  Jeff Law  <law@redhat.com>
2095
2096         * tree-ssa-threadupdate.c (threaded_edges): New VEC to
2097         hold edge pairs.
2098         (mark_threaded_blocks, register_jump_thread): New functions.
2099         (thread_through_all_blocks): Remove unwanted argument.  No
2100         longer rely on e->aux to communicate thread target info.
2101         Call mark_threaded_blocks.  Release the threaded_blocks
2102         bitmap and threaded_edges vector when complete.
2103         * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
2104         (threaded_blocks): Remove.
2105         (tree_ssa_dominator_optimize): Remove initialization and
2106         finalization of threaded_blocks.  Simplify call to
2107         thread_through_all_blocks.
2108         (thread_across_edge): Call register_jump_thread rather than
2109         storing thread information into e->aux.
2110         (free_all_edge_infos): Simplify now that e->aux is no longer
2111         used to communicate with thread_through_all_blocks.
2112         * tree-flow.h (thread_through_all_blocks): Update prototype.
2113         (register_jump_thread): Prototype.
2114
2115 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
2116
2117         * df-core.c (df_compact_blocks, df_bb_replace): Use
2118         SET_BASIC_BLOCK instead of BASIC_BLOCK.
2119
2120 2006-01-11  Richard Guenther  <rguenther@suse.de>
2121
2122         PR tree-optimization/25734
2123         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
2124         stop propagation after successful propagation to the LHS.
2125
2126 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
2127
2128         * basic-block.h (control_flow_graph): Change the type of
2129         x_basic_block_info to VEC(basic_block,gc) *.
2130         (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
2131         basic_block_info.
2132         (SET_BASIC_BLOCK): New.
2133         * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
2134         instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
2135         * cfgbuild.c (find_basic_blocks): Likewise.
2136         * cfglayout.c (fixup_reorder_chain): Likewise.
2137         * cfgrtl.c (create_basic_block_structure,
2138         rtl_create_basic_block): Likewise.
2139         * ifcvt.c (find_if_case_1): Likewise.
2140         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
2141         Likewise.
2142
2143 2005-01-11  Kenneth Zadeck <zadeck@naturalbridge.com>
2144
2145         * Makefile.in: Removed rotted odf.c entry.
2146
2147 2006-01-11  Hans-Peter Nilsson  <hp@axis.com>
2148
2149         PR target/25706
2150         * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
2151         ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
2152         ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
2153         output pattern modifier, not %e.
2154         * config/cris/cris.c (cris_op_str): Update comment about pattern
2155         modifier.
2156         (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
2157         before falling through into...
2158         <case 'E'>: Redefined from old 'e' case.
2159
2160 2006-01-11  Jan Hubicka  <jh@suse.cz>
2161
2162         PR target/25042
2163         * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
2164
2165 2006-01-11  Jan Hubicka  <jh@suse.cz>
2166
2167         * i386.h (TARGET_DECOMPOSE_LEA): Kill.
2168         * i386.c (x86_decompose_lea): Kill.
2169         (ix86_rtx_costs): Kill.
2170
2171 2006-01-11  Jan Hubicka  <jh@suse.cz>
2172
2173         * cgraph.c (cgraph_insert_node_to_hashtable): New function.
2174         * cgraph.h (cgraph_node): Add inline_decl.
2175         (cgraph_insert_node_to_hashtable): Declare.
2176         (save_inline_function_body): Declare.
2177         * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
2178         clones.
2179         (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
2180         (cgraph_function_versioning): Update call of tree_function_versioning.
2181         (save_inline_function_body): New function.
2182         * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
2183         saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
2184         * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
2185         (cgraph_default_inline_p): Likewise.
2186         (cgraph_decide_inlining_incrementally): Likewise.
2187         * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
2188         (copy_bb): Kill saving; do updating of clones.
2189         (copy_cfg_body): Kill saving.
2190         (initialize_inlined-parameters): Likewise.
2191         (expand_call_inline): Likewise.
2192         (save_body): Kill.
2193         (tree_function_versioning): New parameter "update_clones".
2194         (inlining_p): Kill saving.
2195         * tree-inline.h (tree_function_versioning): Update prototype.
2196         * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
2197         saving.
2198
2199 2006-01-11  Ian Lance Taylor <ian@airs.com>
2200
2201         * combine.c (struct undo): Remove is_int.  Enumify types of undos.
2202         Allow undoing set of machine mode.
2203         (do_SUBST): Use enums instead of is_int.
2204         (do_SUBST_MODE): New function.
2205         (SUBST_MODE): New macro.
2206         (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
2207         reg and trying to replace reg_regno_rtx with a new register.
2208         (undo_all): Use new enums, handle undoing a PUT_MODE change.
2209         (simplify_set): Use SUBST_MODE.
2210         (distribute_notes): Remove code that tried to update reg notes
2211         for regno_reg_rtx changes.
2212
2213 2006-01-11  Paolo Bonzini  <bonzini@gnu.org>
2214
2215         PR tree-optimization/23109
2216         PR tree-optimization/23948
2217         PR tree-optimization/24123
2218
2219         * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
2220         * tree-cfg.c (single_noncomplex_succ): New.
2221         * tree-flow.h (single_noncomplex_succ): Declare it.
2222         * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2223         * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2224         (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
2225         insert_bb, register_division_in, insert_reciprocals,
2226         replace_reciprocal, free_bb): New.
2227         (execute_cse_reciprocals_1): Rewritten.
2228         (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
2229         Do not commit any edge insertion.  Always compute dominators and
2230         create the allocation pool.
2231         * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
2232         * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
2233         * targhooks.c (default_min_divistions_for_recip_mul): New.
2234         * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
2235         * passes.c (init_optimization_passes): Run recip after tree loop
2236         optimizations.
2237         * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
2238
2239 2005-01-11  Danny Berlin <dberlin@dberlin.org>
2240             Kenneth Zadeck <zadeck@naturalbridge.com>
2241
2242         * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
2243         DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
2244         DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
2245         DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
2246         DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
2247         DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
2248         DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
2249         DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
2250         DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
2251         DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
2252         DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
2253         DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
2254         DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
2255         DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
2256         DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
2257         DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
2258         DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
2259         DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
2260         DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
2261         DF_SCAN_POST_ALLOC): New macros.
2262         (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
2263         df_free_bb_function, df_local_compute_function, df_init_function,
2264         df_dataflow_function, df_confluence_function_0,
2265         df_confluence_function_n, df_transfer_function,
2266         df_finalizer_function, df_free_function, df_dump_problem_function,
2267         df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
2268         df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
2269         df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
2270         df_urec_bb_info, ) New types.
2271         (df_invalidated_by_call, df_all_hard_regs, df_state) New public
2272         variables.
2273         (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
2274         df_analyze_simple_change_some_blocks,
2275         df_analyze_simple_change_one_block, df_compact_blocks,
2276         df_bb_replace, df_bb_regno_last_use_find,
2277         df_bb_regno_first_def_find, df_bb_regno_last_def_find,
2278         df_insn_regno_def_p, df_find_def, df_find_use,
2279         df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
2280         df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
2281         df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
2282         debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
2283         debug_df_chain, df_get_dependent_problem, df_chain_create,
2284         df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
2285         df_grow_bb_info, df_chain_dump, df_print_bb_index,
2286         df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
2287         df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
2288         df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
2289         df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
2290         df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
2291         df_rescan_blocks, df_ref_create, df_get_artificial_defs,
2292         df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
2293         df_ref_remove, df_insn_refs_delete, df_refs_delete,
2294         df_reorganize_refs, df_set_state, df_hard_reg_init,
2295         df_read_modify_subreg_p) New public functions.
2296         * df-core.c: The core dataflow solver and glue routines for rtl
2297         dataflow.
2298         (df_init, df_add_problem, df_set_blocks, df_finish,
2299         df_hybrid_search_forward, df_hybrid_search_backward,
2300         df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
2301         df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
2302         df_bb_regno_last_use_find, df_bb_regno_first_def_find,
2303         df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
2304         df_reg_defined, df_find_use, df_reg_used, df_dump,
2305         df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
2306         df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
2307         debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
2308         debug_df_useno, reset_df_after_reload): New functions.
2309         * df-scan.c: The scanning fuctions, once in df.c, completely
2310         rewritten so that they now fully model the functionality of
2311         register usage at the backend.
2312         (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
2313         df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
2314         df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
2315         df_grow_insn_info, df_rescan_blocks, df_ref_create,
2316         df_get_artificial_defs, df_get_artificial_uses,
2317         df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
2318         df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
2319         df_refs_delete, df_reorganize_refs, df_set_state,
2320         df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
2321         df_def_record_1, df_defs_record, df_uses_record,
2322         df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
2323         df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
2324         df_record_exit_block_uses, df_hard_reg_init): New functions.
2325
2326         * df-problems.c: Seven concrete dataflow problems that use the
2327         scanning in df-scan.c and are solved by the engine in df-core.c.
2328         (df_get_dependent_problem, df_chain_create, df_chain_unlink,
2329         df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
2330         df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
2331         df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
2332         df_ru_free_bb_info, df_ru_alloc,
2333         df_ru_bb_local_compute_process_def,
2334         df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
2335         df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
2336         df_ru_transfer_function, df_ru_free, df_ru_dump,
2337         df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
2338         df_rd_free_bb_info, df_rd_alloc,
2339         df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
2340         df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
2341         df_rd_transfer_function, df_rd_free, df_rd_dump,
2342         df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
2343         df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
2344         df_lr_local_compute, df_lr_init, df_lr_confluence_0,
2345         df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
2346         df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
2347         df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
2348         df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
2349         df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
2350         df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
2351         df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
2352         df_urec_mark_reg_change, df_urec_check_earlyclobber,
2353         df_urec_mark_reg_use_for_earlyclobber,
2354         df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
2355         df_urec_local_compute, df_urec_init, df_urec_local_finalize,
2356         df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
2357         df_urec_dump, df_urec_add_problem, df_chain_alloc,
2358         df_chain_create_bb_process_use, df_chain_create_bb,
2359         df_chain_finalize, df_chain_free, df_chains_dump,
2360         df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
2361         df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
2362         df_reg_lifetime): New functions.
2363         * df.c: Deleted file.
2364         * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
2365         consistent with new df api.
2366         * modulo-sched.c (sms_schedule, rest_of_handle_sms,
2367         rest_of_handle_sms): Ditto.
2368         * web.c (unionfind_union, union_defs, entry_register, web_main):
2369         Ditto.
2370         * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
2371         invariant_expr_equal_p, find_defs, check_dependencies,
2372         find_invariant_insn, find_invariants_to_move, move_invariant_reg,
2373         free_inv_motion_data, move_loop_invariants): Ditto.
2374         * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
2375         Update dependencies.
2376         (odf.c): Added defective entry that was deleted later in day.
2377         * sched-deps.c (sched_analyze_1): Ditto.
2378
2379 2006-01-11  Zdenek Dvorak <dvorakz@suse.cz>
2380
2381         * tree-ssa-operands.c (get_expr_operands): Record addressable
2382         variables directly.  Do not call add_stmt_operands for CONST_DECLs
2383         and ARRAY_DECLs.
2384         (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
2385         (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
2386
2387 2006-01-11  Ben Elliston  <bje@au.ibm.com>
2388
2389         * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
2390         function returns true in the positive case.
2391
2392 2006-01-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2393
2394         PR target/20754
2395         * config/pa/pa.md: Create separate 32 and 64-bit move patterns
2396         for SI, DI, SF and DF modes.  Add alternatives to copy between
2397         general and floating point registers to the 32-bit patterns.
2398         * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
2399         * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
2400         (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
2401         generating 64-bit code.
2402         * config/pa/pa.c (output_move_double): Handle copies between general
2403         and floating registers.
2404
2405 2006-01-10  Stuart Hastings  <stuart@apple.com>
2406
2407         * config/i386/i386.md (set_got): Update.
2408         (set_got_labelled): New.  (UNSPEC_LD_MPIC): New.
2409         (builtin_setjmp_receiver): Mach-O support.
2410         * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
2411         (GOT_SYMBOL_NAME): Define.
2412         (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
2413         (TARGET_DEEP_BRANCH_PREDICTION): Remove.
2414         * config/i386/i386.c (override_options): Revise for Darwin.
2415         (USE_HIDDEN_LINKONCE): Enable for Mach-O.  (ix86_file_end): Mach-O
2416         support.  (darwin_x86_file_end): New.  (output_set_got): Add label
2417         parameter, revise for Mach-O.  (x86_output_mi_thunk): Likewise.
2418         * config/i386/i386-protos.h (output_set_got): Likewise.
2419         * config/darwin.c (machopic_legitimize_pic_address): Update
2420         regs_ever_live[].
2421
2422 2006-01-10  Kaz Kojima  <kkojima@gcc.gnu.org>
2423
2424         * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
2425         when MODE isn't BLKmode.
2426
2427 2006-01-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
2428
2429         PR rtl-optimization/25367
2430         * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
2431
2432 2006-01-10  Hans-Peter Nilsson  <hp@axis.com>
2433
2434         PR target/25718
2435         * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
2436         for a negative bound.
2437
2438 2006-01-10  Richard Guenther  <rguenther@suse.de>
2439
2440         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2441         Never override with anything constraint.
2442
2443 2006-01-10  Jan Beulich  <jbeulich@novell.com>
2444
2445         * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
2446         256 bits when optimize_size.
2447
2448 2006-01-10  Jan Beulich  <jbeulich@novell.com>
2449
2450         * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
2451         MASK_ALIGN_DOUBLE.
2452         * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
2453         * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
2454         arguments.
2455
2456 2006-01-10  Ben Elliston  <bje@au.ibm.com>
2457
2458         * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
2459         float modes.
2460         * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
2461         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2462         (USE_FP_FOR_ARG): Reject decimal float modes.
2463         (function_arg_advance): Likewise.
2464         (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
2465         (rs6000_handle_altivec_attribute): Do not permit decimal floating
2466         point types in AltiVec vectors.
2467         (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
2468         (rs6000_libcall_value): Likewise.
2469
2470 2006-01-09  Bob Wilson  <bob.wilson@acm.org>
2471
2472         * config/xtensa/ieee754-df.S: New file.
2473         * config/xtensa/ieee754-sf.S: New file.
2474         * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
2475         (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
2476         * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
2477
2478 2006-01-09  Kazu Hirata  <kazu@codesourcery.com>
2479
2480         * config/sh/predicates.md (binary_float_operator,
2481         binary_logical_operator, commutative_float_operator,
2482         equality_comparison_operator, greater_comparison_operator,
2483         less_comparison_operator, logical_operator,
2484         noncommutative_float_operator, shift_operator,
2485         symbol_ref_operand, unary_float_operator): Remove redundant
2486         conditionals.
2487
2488 2006-01-09  Jeff Law  <law@redhat.com>
2489
2490         * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
2491         code to propagate the RHS of a cast into COND_EXPR_COND.  Remove
2492         now unused arguments.  Callers updated.
2493         (eliminate_redundant_computations): Remove now unused arguments,
2494         callers updated.
2495         (local_fold): Remove, no longer used.
2496         (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
2497         and moved to...
2498         * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
2499         (simplify_cond): New function.
2500         (forward_propagate_into_cond): Call simplify_cond.
2501
2502 2006-01-09  Alexandre Oliva  <aoliva@redhat.com>
2503
2504         * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
2505         (*vec_extractv2di_1_sse): New.
2506
2507 2006-01-09  Ben Elliston  <bje@au.ibm.com>
2508
2509         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
2510
2511 2006-01-08  Richard Guenther  <rguenther@suse.de>
2512
2513         * tree-ssa-structalias.c (get_constraint_for): Remove
2514         anyoffset argument.
2515         (get_constraint_for_component_ref): Likewise.
2516         (do_deref): Likewise.
2517         (get_constraint_for): Likewise.
2518         (do_structure_copy): Likewise.
2519         (handle_ptr_arith): Likewise.
2520         (find_func_aliases): Likewise.  Remove unused need_anyoffset
2521         variable.
2522
2523 2006-01-08  J"orn Rennecke  <joern.rennecke@st.com>
2524             Kaz Kojima  <kkojima@gcc.gnu.org>
2525
2526         * config/sh/sh.h (CONST_OK_FOR_K16): Define.
2527         (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
2528         (EXTRA_CONSTRAINT_C16): Remove.
2529         (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
2530         (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
2531         EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
2532         * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
2533         constants of SHmedia.  Handle nested constant expressions of
2534         SHmedia correctly.
2535         (andcosts): Fix the costs for SHmedia constants.
2536         (sh_rtx_costs): Take account of outer_code for SHmedia constants.
2537         * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
2538         (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
2539         (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
2540         (movv4hi_i, movv2si_i): Likewise.
2541         (movsi_const): Adjust the second operand of ior so to match with
2542         the Csu constraint.
2543         (movdi_const, movdi_const_32bit): Likewise.
2544         (movdi_const_16bit+1): Don't sign-extend LOW.
2545         (movdi_const_16bit+2): Likewise.  Remove the zero_extend and truncate
2546         step.
2547         (*double_shori): Fix the split condition.  Use GEN_INT instead
2548         of get_int_mode calls.  Mask lower 16-bit of the argument of
2549         the last GEN_INT.
2550         (sym2GOTPLT): Remove.
2551         (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
2552         gen_rtx_UNSPEC.
2553         * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
2554         instead of EXTRA_CONSTRAINT_C16.
2555
2556 2006-01-07  Ian Lance Taylor  <ian@airs.com>
2557             David Edelsohn  <edelsohn@gnu.org>
2558
2559         PR rtl-optimization/25662
2560         * optabs.c (simplify_expand_binop): Use simplify_binary_operation
2561         for constant operands instead of simplify_gen_binary.
2562         * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
2563         after trying simplify_binary_operation
2564
2565 2006-01-06  Daniel Berlin  <dberlin@dberlin.org>
2566
2567         * tree.c (iterative_hash_expr): Hash decls based on UID.
2568
2569 2006-01-06  Eric Christopher  <echristo@apple.com>
2570
2571         * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
2572         (TARGET_UNWIND_EMIT): Fix spelling.
2573         * target.h (gcc_target): Add except_table_label.
2574         * except.c (output_function_exception_table): Use.
2575         * varasm.c (default_emit_except_table_label): New.
2576         * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
2577         define.
2578         (asm_out): Add here.
2579         * output.h (default_emit_except_table_label): Prototype.
2580         * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
2581         * config/darwin.c (darwin_emit_except_table_label): Define.
2582         * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
2583
2584 2006-01-06  Zdenek Dvorak <dvorakz@suse.cz>
2585
2586         PR tree-optimization/18527
2587         * tree-ssa-loop-niter.c (number_of_iterations_cond,
2588         number_of_iterations_special, number_of_iterations_exit):
2589         Move base and step of an iv to a single structure.  Add
2590         no_overflow flag, and use it in # of iterations analysis.
2591         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
2592         folded_casts argument.
2593         (simple_iv): Pass base and step in a structure.  Set no_overflow
2594         flag.
2595         (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
2596         Evaluate expensiveness of computing # of iterations instead of
2597         the final expression.
2598         * tree-scalar-evolution.h (affine_iv): New structure.
2599         (simple_iv): Declaration changed.
2600         * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
2601         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
2602         find_givs_in_stmt): Changed due to simple_iv change.
2603
2604 2006-01-06  Jeff Law  <law@redhat.com>
2605
2606         PR ada/24994
2607         * tree-cfg.c (bsi_replace): Rename final argument from
2608         PRESERVE_EH_INFO to UPDATE_EH_INFO.  Fix typo in last
2609         change (stmt -> orig_stmt).
2610         * tree-eh.c (verify_eh_throw_stmt_node): New function.
2611         (bsi_remove): Add new argument.  Remove EH information
2612         if requested.
2613         (verify_eh_throw_table_statements): New function.
2614         (bsi_remove): Add new argument REMOVE_EH_INFO.  All callers
2615         updated.
2616         * tree-optimize.c (execute_free_cfg_annotations): Verify
2617         the EH throw statement table after removing annotations.
2618         * except.h (verify_eh_throw_table_statements): Prototype.
2619         * tree-flow.h (bsi_remove): Update prototype.
2620         * tree-vrp.c (remove_range_assertions): Add new argument to
2621         bsi_remove call.
2622         * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
2623         * tree-complex.c (expand_complex_div_wide): Likewise.
2624         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
2625         * tree-tailcall.c (eliminate_tailcall): Likewise.
2626         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
2627         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
2628         * tree-nrv.c (tree_nrv): Likewise.
2629         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
2630         * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
2631         (combine_blocks): Likewise.
2632         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
2633         * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
2634         (cleanup_control_flow): Likewise.
2635         (remove_forwarder_block): Likewise.
2636         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
2637         * tree-sra.c (sra_replace): Likewise.
2638         * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
2639         (forward_propagate_single_use_vars): Likewise.
2640         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
2641         * tree-inline.c (expand_call_inline): Likewise.
2642         * tree-vect-transform.c (vect_transform_loop): Likewise.
2643         * tree-outof-ssa.c (rewrite_trees): Likewise.
2644         * tree-cfg.c (make_goto_expr_edges): Likewise.
2645         (cleanup_dead_labels): Likewise.
2646         (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
2647         (bsi_move_before, bsi_move_after): Likewise.
2648         (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
2649         (tree_redirect_edge_and_branch, tree_split_block): Likewise.
2650
2651 2006-01-06  Andrew Pinski  <pinskia@physics.uc.edu>
2652
2653         PR tree-opt/25528
2654         * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
2655         and IMAGPART_EXPR.
2656         * tree-flow-inline.h (var_can_have_subvars): Handle complex types
2657         on non gimple variables.  Also add checks at the top for decls and
2658         mtags.
2659         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
2660         complex types.
2661         * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
2662         and IMAGPART_EXPR for creating MUST_DEFs.
2663         (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
2664         and NAME_MEMORY_TAG separately from the DECLs.
2665
2666 2006-01-06  Richard Guenther  <rguenther@suse.de>
2667
2668         * tree-dfa.c (mark_new_vars_to_rename): Create stmt
2669         annotation, if necessary.
2670         * tree-ssa-pre.c (create_expression_by_pieces): Remove
2671         redundant calls to update_stmt.
2672         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
2673         Likewise.
2674
2675 2006-01-05  Richard Henderson  <rth@redhat.com>
2676
2677         * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
2678
2679 2006-01-05  Carlos O'Donell  <carlos@codesourcery.com>
2680
2681         * c-typeck.c: Update copyright date.
2682
2683 2006-01-05  Carlos O'Donell  <carlos@codesourcery.com>
2684
2685         * c-typeck.c (build_c_cast): Always warn when casting
2686         from a pointer to an integer of different size, even if
2687         the node was constant.
2688
2689 2006-01-05  Richard Guenther  <rguenther@suse.de>
2690
2691         PR tree-optimization/22555
2692         * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
2693         if one structure field is an array.
2694         * tree-ssa-operands.c (get_expr_operands): Continue scanning
2695         operands even if we found a subvar, but ignore VOPs in this
2696         case.
2697         * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
2698         for renaming.
2699         * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
2700
2701 2006-01-05  Richard Earnshaw  <rearnsha@arm.com>
2702
2703         PR middle-end/24998
2704         * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
2705
2706 2006-01-05  Richard Guenther  <rguenther@suse.de>
2707             Diego Novillo  <dnovillo@redhat.com>
2708
2709         * tree-pass.h (TODO_remove_unused_locals): Define.
2710         * gimple-low.c (expand_var_p, remove_useless_vars,
2711         pass_remove_useless_vars): Remove.  Update all users.
2712         * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
2713         (remove_unused_locals): New function.
2714         * tree-flow.h (remove_unused_locals): Declare.
2715         * passes.c (execute_todo): Call remove_unused_locals if
2716         TODO_remove_unused_locals is set.
2717         * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
2718         * tree-ssa-dce.c (pass_dce): Likewise.
2719         * tree-outof-ssa.c (pass_del_ssa): Likewise.
2720
2721 2006-01-05  Richard Guenther  <rguenther@suse.de>
2722
2723         * tree-flow.h (struct fieldoff): Decompose field to
2724         type, size and decl.
2725         * tree-ssa-alias.c (create_sft): Take type as parameter.
2726         (create_overlap_variables_for): Store type, size and decl
2727         in the fieldoff structure.
2728         * tree-ssa-structalias.c (fieldoff_compare): Adjust users
2729         of struct fieldoff.
2730         (push_fields_onto_fieldstack): Likewise.
2731         (create_variable_info_for): Likewise.  Use offset for the
2732         SFT name if the decl is not available.
2733
2734 2006-01-04  Paul Brook  <paul@codesourcery.com>
2735
2736         * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
2737
2738 2006-01-04  Daniel Berlin  <dberlin@dberlin.org>
2739
2740         * lambda-code.c (can_put_in_inner_loop): Relax
2741         restrictions.
2742         (can_put_after_inner_loop): New function.
2743         (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
2744         (perfect_nestify): Change to make copies and modify uses.
2745
2746 2006-01-04  Richard Henderson  <rth@redhat.com>
2747
2748         Merge from gomp branch:
2749         * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
2750         via integer constant.
2751         (pragma_lex): Remove.
2752         * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
2753         rather than parsing it.
2754         * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
2755         handle_pragma_extern_prefix): Add %< %> quotes.
2756         (registered_pragmas): New.
2757         (c_register_pragma_1): New.
2758         (c_register_pragma): Use it.
2759         (c_register_pragma_with_expansion): Likewise.
2760         (c_invoke_pragma_handler): New.
2761         (init_pragma): Use cpp_register_deferred_pragma directly for
2762         pch_preprocess.
2763         * c-pragma.h (enum pragma_kind): New.
2764         (pragma_handler): New.
2765         (c_invoke_pragma_handler): Declare.
2766         * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
2767         CPP_PRAGMA_EOL.
2768         * c-common.h (c_common_pch_pragma): Update decl.
2769         * Makefile.in (c-parser.o): Update dependencies.
2770         (GTFILES): Add c-pragma.h.
2771         * c-parser.c (struct c_token): Add pragma_kind.
2772         (struct c_parser): Add in_pragma.
2773         (c_lex_one_token): Always initialize keyword and pragma_kind.
2774         Extract data for CPP_PRAGMA.
2775         (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
2776         (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
2777         Don't allow CPP_PRAGMA_EOL if in_pragma.
2778         (c_parser_consume_pragma): New.
2779         (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
2780         (c_parser_skip_to_end_of_parameter): Likewise.
2781         (c_parser_skip_to_end_of_block_or_statement): Likewise.
2782         (c_parser_skip_to_pragma_eol): New.
2783         (c_parser_external_declaration): Handle CPP_PRAGMA.
2784         (c_parser_compound_statement_nostart): Likewise.
2785         (c_parser_statement_after_labels): Likewise.
2786         (c_parser_pragma): New.
2787         (pragma_lex): Likewise.
2788         (c_parser_pragma_pch_preprocess): New.
2789         (c_parser_new): Merge into ...
2790         (c_parse_file): ... here.  Call c_parser_pragma_pch_preprocess.
2791
2792 2006-01-04  Jeff Law  <law@redhat.com>
2793
2794         PR ada/24994
2795         * tree-cfg.c (bsi_replace): Remove the original statement
2796         from the EH throw statement table.
2797
2798 2006-01-04  Jakub Jelinek  <jakub@redhat.com>
2799
2800         * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
2801         make the prototype extern "C" and add throw ().
2802
2803         PR target/25554
2804         * config/i386/i386.md (testqi_ext_3): Ensure len is positive
2805         and pos non-negative and pos + len <= 32.
2806         (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
2807         drop pos + len < HOST_BITS_PER_WIDE_INT test.
2808         (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
2809
2810         PR c/25559
2811         * c-common.c (handle_vector_size_attribute): Reject zero vector size
2812         as well as sizes not multiple of component size.
2813
2814         PR debug/25562
2815         * function.c (instantiate_expr): New function.
2816         (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
2817         walk its DECL_VALUE_EXPR with instantiate_expr.
2818
2819         * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
2820         DW_OP_deref{,_size} if address isn't going to be added.
2821
2822 2006-01-04  Ben Elliston  <bje@au.ibm.com>
2823
2824         * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
2825         * config/fp-bit.c: Likewise.
2826
2827 2006-01-03  Daniel Berlin  <dberlin@dberlin.org>
2828
2829         * dominance.c: Add comment about why we use DFS numbering
2830         of dominance tree.
2831
2832 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
2833             Richard Henderson  <rth@redhat.com>
2834
2835         Merge from gomp-branch:
2836         * varasm.c (assemble_variable): Handle thread-local COMMON data.
2837         * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
2838
2839 2006-01-03  Paolo Bonzini  <bonzini@gnu.org>
2840
2841         PR rtl-optimization/25578
2842         * combine.c (combine_simplify_rtx, force_to_mode): Don't
2843         pass a parameter to simplify_shift_const if changing ASHIFTRT
2844         to LSHIFTRT.
2845
2846 2006-01-03  Adrian Straetling  <straetling@de.ibm.com>
2847
2848         * builtins.c (get_builtin_sync_mem): New function.
2849         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
2850         expand_builtin_lock_test_and_set, expand_builtin_lock_release):
2851         Call get_builtin_sync_mem to generate mem rtx.
2852
2853 2006-01-03  Richard Guenther  <rguenther@suse.de>
2854
2855         PR c/25183
2856         * stmt.c (add_case_node): Make sure to clear overflow flags
2857         from ranges.
2858
2859 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
2860
2861         Merge from gomp-branch.
2862         * config/sparc/sync.md: New file.
2863         * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
2864         UNSPECV_LDSTUB): New constants.
2865         * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
2866         * config/sparc/predicates.md (memory_reg_operand): New predicate.
2867         * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
2868         prototype.
2869
2870 2006-01-03  Roger Sayle  <roger@eyesopen.com>
2871
2872         * combine.c (reg_subword_p): New predicate to test whether the
2873         destination of a set refers to a subword/piece of a register.
2874         (try_combine): Generalize the code to merge the setting of a
2875         pseudo to a constant followed by a set of a subword of that
2876         register to a constant.
2877
2878 2006-01-03  Kazu Hirata  <kazu@codesourcery.com>
2879
2880         * basic-block.h (control_flow_graph): Change the type of
2881         x_label_to_block_map to VEC(basic_block,gc) *.
2882         * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
2883         set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
2884
2885         * tree-ssa-propagate.c (cfg_blocks): Change the type to
2886         VEC(basic_block,heap) *.
2887         (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
2888         ssa_prop_fini): Adjust the uses of cfg_blocks.
2889
2890 2006-01-03  Steven Bosscher  <stevenb.gcc@gmail.com>
2891
2892         * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
2893         COMPONENT_REFs.
2894         * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
2895         hashing trees instead of a pointer hash.
2896         (mem_attrs_htab_eq): Do a deep compare instead of a pointer
2897         compare for MEM_EXPR.
2898
2899         PR rtl-optimization/25130
2900         * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
2901         when comparing MEMs for GCSE
2902
2903 2006-01-03  Ben Elliston  <bje@au.ibm.com>
2904
2905         * targhooks.h (default_decimal_float_supported_p): Declare.
2906         * targhooks.c (default_decimal_float_supported_p): Define.
2907         * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
2908         `default_decimal_float_supported_p'.
2909         * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
2910
2911 2006-01-02  Adam Nemet  <anemet@caviumnetworks.com>
2912
2913         * combine.c (apply_distributive_law <SUBREG>): Check
2914         TRULY_NOOP_TRUNCATION.
2915
2916 2006-01-02  Geoffrey Keating  <geoffk@apple.com>
2917
2918         * dwarf2out.c (have_switched_text_section): Delete.
2919         (have_multiple_function_sections): New.
2920         (have_location_lists): Make 'bool'.
2921         (add_AT_loc_list): Use 'true' not '1'.
2922         (dwarf2out_switch_text_section): Set have_multiple_function_sections.
2923         (output_loc_list): Use have_multiple_function_sections.
2924         (output_ranges): Likewise.
2925         (dwarf2out_begin_function): Set have_multiple_function_sections if
2926         necessary.
2927         (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
2928         Check function_section rather than DECL_SECTION_NAME.
2929         (dwarf2out_finish): Use have_multiple_function_sections.
2930         Don't clear have_location_lists.
2931
2932 2006-01-02  Eric Botcazou  <ebotcazou@adacore.com>
2933             Jan Hubicka  <jh@suse.cz>
2934
2935         * cfglayout.c (fixup_reorder_chain): Remove kludge for the
2936         case of conditional jump jumping to the next instruction.
2937         * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
2938         cases of conditional jump jumping to the next instruction.
2939
2940 2006-01-02  Jan Hubicka  <jh@suse.cz>
2941
2942         * i386.c (*_cost): Add COSTS_N_INSNS.
2943         (ix86_rtx_costs): Do not use COSTS_N_INSNS.
2944
2945 2006-01-02  Paolo Bonzini  <bonzini@gnu.org>
2946
2947         PR target/25259
2948         * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
2949
2950 2006-01-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2951
2952         * config/arm/arm.c (all_fpus): Fix comment typo.
2953         * config/darwin.c: Likewise.
2954         * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
2955         * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
2956         * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
2957
2958 2006-01-01  David Edelsohn  <edelsohn@gnu.org>
2959
2960         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
2961         (rs6000_split_compare_and_swapqhi): New.
2962         * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
2963         (sync_compare_and_swapqhi_internal): New.
2964         * config/rs6000/rs6000-protos.h: Declare.