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1 2006-01-26  Paolo Bonzini  <bonzini@gnu.org>
2
3         * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
4         constants provided by 80387 instructions in the destination mode.
5
6 2006-01-26  Richard Guenther  <rguenther@suse.de>
7             Andrew Pinski  <pinskia@physics.uc.edu>
8
9         PR tree-opt/21470
10         partial PR tree-opt/17064
11         * tree-ssa-structalias.c (intra_create_variable_infos):
12         Create heap variables for incoming parameters if
13         flag_argument_noalias > 1.
14         (find_what_p_points_to): Look through default defs of
15         parameter decls.
16
17 2006-01-26  Jeff Law  <law@redhat.com>
18
19         PR ada/25900
20         * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
21         with a VR_ANTI_RANGE and the VR_ANTI_RANGEis completely contained
22         within the VR_RANGE, use the VR_RANGE as the result, not the
23         VR_ANTI_RANGE.
24         (adjust_range_with_scev): Reject ranges from SCEV which are out
25         of bounds for the type.
26
27 2006-01-26  Daniel Berlin  <dberlin@dberlin.org>
28
29         * tree-ssa-alias.c (maybe_create_global_var): Change
30         subvar walking to an assertion that we don't have subvar'd variables.
31
32 2006-01-26  Andrew Pinski  <pinskia@physics.uc.edu>
33
34         PR C/25861
35         * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
36         Use a new variable, inner.  PARM_DECLs are always non-weak.
37
38 2006-01-26  Shantonu Sen  <ssen@opendarwin.org>
39
40         * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
41         --disable-checking.
42
43 2006-01-26  Adam Nemet  <anemet@caviumnetworks.com>
44
45         * config/mips/mips.md (*clear_upper32): New combiner pattern.
46
47 2006-01-26  Richard Earnshaw  <richard.earnshaw@arm.com>
48
49         * arm.md (smaxsi3, sminsi3): Convert to define_expand.
50         (smax_insn, smin_insn, smax_0, smin_0): New.
51
52 2006-01-26  Hans-Peter Nilsson  <hp@axis.com>
53
54         PR target/25947
55         * config/cris/cris.c (cris_order_for_addsi3): New function.
56         * config/cris/cris-protos.h: Prototype it.
57         * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
58         (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
59         (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
60         (split for "op.S1 [rx=rx+i],ry (swapped)")
61         (split for "op(s|u).S1 [rx=rx+i],ry")
62         (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
63         Apply cris_order_for_addsi3 when generating addsi3 insns.
64
65 2006-01-25  Diego Novillo  <dnovillo@redhat.com>
66
67         * tree.h (TREE_RANGE_CHECK): Fix range predicate.
68         (TREE_BLOCK): Add call to EXPR_CHECK.
69
70 2006-01-25  Diego Novillo  <dnovillo@redhat.com>
71
72         PR 25886
73         * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
74         * tree-pretty-print.c (dump_omp_clause): Extract from ...
75         (dump_omp_clauses): ... here.
76         (dump_generic_node): Handle OMP_CLAUSE.
77         * tree.c (omp_clause_num_ops): New.
78         (omp_clause_code_name): New.
79         (tree_code_size): Handle OMP_CLAUSE.
80         (tree_size): Likewise.
81         (make_node): Document handling of OMP_CLAUSE.
82         (tree_node_structure): Handle OMP_CLAUSE.
83         (omp_clause_check_failed): New.
84         (omp_clause_range_check_failed): New.
85         (omp_clause_operand_check_failed): New.
86         (build_omp_clause): New.
87         (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
88         * tree.h (enum omp_clause_code): Declare.
89         (OMP_CLAUSE_SUBCODE_CHECK): Define.
90         (OMP_CLAUSE_RANGE_CHECK): Define.
91         (OMP_CLAUSE_ELT_CHECK): Define.
92         (omp_clause_check_failed): Declare.
93         (omp_clause_operand_check_failed): Declare.
94         (omp_clause_range_check_failed): Declare.
95         (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
96         (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
97         (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
98         (OMP_CLAUSE_LASTPRIVATE): Likewise.
99         (OMP_CLAUSE_IF_EXPR): Likewise.
100         (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
101         (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
102         (OMP_CLAUSE_REDUCTION_CODE): Likewise.
103         (OMP_CLAUSE_REDUCTION_INIT): Likewise.
104         (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
105         (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
106         Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
107         (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
108         (OMP_CLAUSE_DEFAULT_KIND): Likewise.
109         (OMP_CLAUSE_CODE): Define.
110         (OMP_CLAUSE_SET_CODE): Define.
111         (OMP_CLAUSE_CODE): Define.
112         (OMP_CLAUSE_OPERAND): Define.
113         (struct tree_omp_clause): Declare.
114         (union tree_node): Add field 'omp_clause'.
115         * treestruct.def (TS_OMP_CLAUSE): Define.
116         * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
117         OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
118         OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
119         OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
120         OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
121         OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
122         (OMP_CLAUSE): Define.
123         * print-tree.c (print_node): Handle OMP_CLAUSE.
124         * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
125         * c-typeck.c: Likewise.
126         * gimplify.c: Likewise.
127         * c-omp.c: Likewise.
128         * tree-nested.c: Likewise.
129         * tree-inline.c: Likewise.
130         * c-parser.c: Likewise.
131         * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
132         clauses.
133
134 2006-01-25  Roger Sayle  <roger@eyesopen.com>
135
136         PR rtl-optimization/25703
137         * combine.c (try_combine): Handle zero_extract and strict_low_part
138         of non-lowpart SUBREGs for constant reg_subword_p set optimization.
139
140 2006-01-25  Peter Bergner  <bergner@vnet.ibm.com>
141
142         * global.c: Fix comment typos.
143
144 2006-01-25  Andrew Pinski  <pinskia@physics.uc.edu>
145
146         PR target/25758
147         * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
148         Use output_addr_const instead of assemble_name.
149
150 2006-01-25  Paolo Bonzini  <bonzini@gnu.org>
151
152         * Makefile.in (sched-vis.o): Update dependencies.
153         * haifa-sched.c (sched_finish): Clear current_sched_info.
154         * cfg.c (dump_bb_info): New, split from dump_flow_info.
155         (dump_flow_info): Call it.
156         * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
157         a slim RTL dump.
158         * basic-block.h (dump_bb_info): Declare.
159         * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
160         option, and apply options only for dump files whose TDF_RTL,
161         TDF_TREE, or TDF_IPA bits match.
162         * rtl.h: Declare new functions exported from sched-vis.c.
163         * sched-vis.c: Enable also if scheduling is not used.
164         (print_value): Print the mode of registers if not inside scheduling.
165         (print_insn): Make it work outside the scheduler.  Beautify the output
166         a bit.
167         (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
168
169 2006-01-25  Richard Sandiford  <richard@codesourcery.com>
170
171         * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
172         * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
173         a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
174         depending on the value of CONSTANT_POOL_ADDRESS_P.
175         * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
176         SYMBOL_REF_DECL.
177         * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
178         rather than SYMBOL_REF_DECL.
179         (rtx_constant_pool): Remove const_rtx_sym_htab.
180         (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
181         (init_varasm_status): Don't initialize const_rtx_sym_htab.
182         (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
183         Remove handling of const_rtx_sym_htab.
184         (find_pool_constant): Delete.
185         (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
186         rather than find_pool_constant.
187         (get_pool_constant_for_function): Delete.
188         (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
189         find_pool_constant. 
190         * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
191         (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
192         (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
193         (SYMBOL_REF_CONSTANT): New macro.
194         (get_pool_constant_for_function): Delete.
195         * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
196         rather than SYMBOL_REF_DECL.
197         (i386_pe_mark_dllimport): Likewise.
198         * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
199         rather than SYMBOL_REF_DECL.
200         * config/darwin.c (machopic_indirect_data_reference): Likewise.
201         (machopic_indirect_call_target): Likewise.
202
203 2006-01-25  Eric Botcazou  <ebotcazou@adacore.com>
204
205         * flow.c (delete_noop_moves): Add missing EOL to dump message.
206
207 2006-01-25  Richard Sandiford  <richard@codesourcery.com>
208
209         * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
210
211 2006-01-25  Kaz Kojima  <kkojima@gcc.gnu.org>
212
213         * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
214
215 2006-01-24  David Daney  <ddaney@avtrex.com>
216
217         PR java/25816
218         * configure.ac (enable_tls): New enable option.
219         (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
220         * configure: Regenerate.
221         * doc/install.texi (--enable-tls): Document new option.
222         (--disable-tls): Ditto.
223
224 2006-01-24  Richard Henderson  <rth@redehat.com>
225
226         * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
227         * alias.c (true_dependence): Respect it.
228         (canon_true_dependence, write_dependence_p): Likewise.
229         * builtins.c (get_builtin_sync_mem): Set it.
230
231 2006-01-25  Zdenek Dvorak <dvorakz@suse.cz>
232
233         * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
234         efficient way.
235
236 2006-01-24  DJ Delorie  <dj@redhat.com>
237
238         * expmed.c (store_bit_field): Don't arbitrarily deny using insv
239         for storing constants in single-bit bitfields.
240
241 2006-01-25  Ben Elliston  <bje@au.ibm.com>
242
243         * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
244
245 2006-01-24  Andrew Pinski  <pinskia@physics.uc.edu>
246
247         PR tree-opt/25860
248         * tree-ssa-pre.c (phi_translate): Return NULL
249         for AGGREGATE_TYPE's.
250
251 2006-01-24  Zack Weinberg  <zackw@panix.com>
252
253         * genautomata.c (process_state_for_insn_equiv_partition):
254         Use xcalloc for insn_arcs_array.
255         * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
256         (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
257
258 2006-01-24  Richard Henderson  <rth@redhat.com>
259
260         * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
261         update all callers.
262
263 2006-01-23  Paolo Bonzini  <bonzini@gnu.org>
264
265         PR rtl-optimization/25890
266         PR rtl-optimization/25905
267         * combine.c (expand_compound_operation, expand_field_assignment):
268         Fail if the bitfield's final position is out of bounds.
269
270 2006-01-24  Ian Lance Taylor  <ian@airs.com>
271
272         PR middle-end/25930
273         * cgraphunit.c (cgraph_output_in_order): Don't clear
274         cgraph_asm_nodes until after asm strings have been output.
275
276 2006-01-23  Adam Nemet  <anemet@caviumnetworks.com>
277
278         * fix-header.c (read_scan_file): Add new parameter imultilib when
279         calling register_include_chains.
280
281 2006-01-23  Diego Novillo  <dnovillo@redhat.com>
282
283         * omp-low.c: Update documentation.
284
285 2006-01-23  Andrew Pinski  <pinskia@physics.uc.edu>
286             Daniel Berlin  <dberlin@dberlin.org>
287
288         PR tree-opt/25315
289         PR tree-opt/25857
290         * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal 
291         return from the function.
292
293 2006-01-22  Zack Weinberg  <zackw@panix.com>
294
295         * rtl.def (match_code): Add second argument.
296         * genpreds.c (write_extract_subexp): New function.
297         (write_match_code): Add path argument.  Use write_extract_subexp.
298         (write_predicate_expr): Pass path to write_match_code.
299         (mark_mode_tests): MATCH_CODE applied to a subexpression does
300         not perform a mode test.
301         * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
302         a subexpression does not constrain the top-level code set.
303         * read-rtl.c (read_rtx_variadic): New function.
304         (read_rtx_1): Use it; allow AND and IOR to be variadic.
305         * doc/md.texi: Document new notation.
306         * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
307         (cmpsi_operand): ... here, using new notation.
308
309 2006-01-22  Zack Weinberg  <zackw@panix.com>
310
311         * varray.c: Remove GENERATOR_FILE #ifdefs.
312
313 2006-01-22  Zack Weinberg  <zackw@panix.com>
314
315         * genautomata.c (output_reserved_units_table): Emit nothing if
316         description->query_units_num is zero.  Remove extra blank line.
317         (output_cpu_unit_reservation_p): Short circuit
318         if description->query_units_num is zero.
319
320 2006-01-22  Zack Weinberg  <zackw@panix.com>
321
322         * genattrtab.c: Don't include genattrtab.h.  Define ATTR_NONE
323         and ATTR_SPECIAL (from genattrtab.h).  Don't define num_dfa_decls
324         nor any of the random handful of variables that used to be necessary
325         when this program was linked with rtlanal.o.  Prune set of forward
326         function declarations.
327         (struct attr_desc): Remove static_p field.
328         (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
329         (check_attr_test, make_internal_attr, make_numeric_value): Make static.
330         (attr_string): Do not read the character one past the length of
331         the string.
332         (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
333         (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
334         (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
335         (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
336         (make_automaton_attrs): New.
337         (main): Do not call into genautomata.  Call local gen_bypass
338         and gen_insn_reserv as appropriate.  Call make_automaton_attrs.
339         Remove special case for insn_alts.
340         * genautomata.c: Include gensupport.h; not genattrtab.h nor
341         varray.h (leftover from previous change).  Prune set of forward
342         function declarations.  Remove state_alts fields from all
343         structures.  Remove state_alts_table from struct automaton.
344         Make everything except main static.  Do not maintain num_dfa_decls.
345         Do not maintain state_alts fields of various structures.
346         (process_decls): Don't validate condexp for dm_insn_reserv decls.
347         (add_arc): Remove state_alts argument.  All callers updated.
348         (output_reserved_units_table): Emit #ifdef here...
349         (output_tables): ...not here.  Don't generate state_alts tables.
350         (expand_automata): Don't generate attributes.
351         (write_automata): Don't generate state_alts functions.
352         (main): New function.
353         (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
354         (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
355         (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
356         (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
357         (BYPASS_P_FUNC_NAME, output_state_alts_table)
358         (output_automata_list_state_alts_code, output_internal_state_alts_func)
359         (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
360         (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
361         Delete.
362         * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
363         * genattrtab.h: Delete file.
364         * Makefile.in (OBJS-common): Add insn-automata.o.
365         (insn-automata.o): New rule.
366         (simple_generated_c): Add insn-automata.c.
367         (build/genattrtab.o, build/genautomata.o): Update dependencies.
368         (genprogmd): Add automata.
369         (build/genattrtab): Needs no extra objects nor libraries.
370         (build/genautomata): Needs build/vec.o and -lm.
371
372 2006-01-22  Zack Weinberg  <zackw@panix.com>
373
374         * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
375         (output_dfa_max_issue_rate, locked_states_num): Delete.
376         (struct automaton): Add locked_states field.
377         (output_dead_lock_vect): Save number of locked states in
378         automaton->locked_states.  If it is zero, don't print anything.
379         (output_max_insn_queue_index_def): Define max_insn_queue_index const.
380         (output_internal_dead_lock_func): Only test the dead_lock_vect
381         for automata that have locked states.
382         (output_statistics): Always print the number of locked states for
383         each automaton.  Calculate total number of locked states here.
384         (write_automata): Don't call output_dfa_max_issue_rate.
385         * genattrtab.c: Define length_unit_log as a const variable.
386         * genattr.c: Don't emit MAX_DFA_ISSUE_RATE.  Declare
387         max_insn_queue_index const.
388         * final.c (length_unit_log): Declare const.
389         * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
390
391 2006-01-22  Zack Weinberg  <zackw@panix.com>
392
393         * genautomata.c:  Include vec.h, not varray.h.
394         Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
395         VLA_HWINT_ macros.  Change vla_hwint_t to a typedef for
396         VEC(vect_el_t,heap) *.  Convert all uses of VLA_* macros to
397         VEC_* macros operating on appropriately typed vectors, or to
398         malloced arrays when the size is known in advance.  Const-ify
399         many char* variables and function arguments.  No functional changes.
400         * Makefile.in (build/varray.o): Delete rule.
401         (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
402         (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
403
404 2006-01-22  Zack Weinberg  <zackw@panix.com>
405
406         * gensupport.c: Define get_insn_name and record_insn_name here.
407         (read_md_rtx): Call record_insn_name as appropriate.
408         * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
409         * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
410         * genpreds.c, genrecog.c: Don't define get_insn_name nor
411         record_insn_name.
412         * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
413         (BUILD_VARRAY): Delete.
414         (genprognormal): Rename genprogmd.  Fold in all programs from
415         genprognoprint; also attrtab.
416         (build/genattrtab): Just mention genautomata.o and varray.o.
417         Reorganize a bit, add comments to make the categories clearer.
418
419 2006-01-22  Zack Weinberg  <zackw@panix.com>
420
421         * genconditions.c (condition_table, add_condition): Delete.
422         (write_conditions): Don't emit n_insn_conditions nor
423         insn_elision_unavailable.  Issue the gcc version #ifdef here,
424         inside the table, with no #else clause ...
425         (write_header): ...not here.
426         (write_writer): New function.
427         (main): Don't initialize condition_table.  Use add_c_test.
428         Call write_writer.
429         * gensupport.c (init_md_reader_args_cb): Handle multiple input
430         files on the command line.
431         (maybe_eval_c_test): Don't check insn_elision_unavailable.
432         Return -1 if there is no entry in the table, don't abort.
433         (add_c_test, traverse_c_tests): New functions.
434         * gensupport.h (insn_elision_unavailable, insn_conditions)
435         (n_insn_conditions): Delete declarations.
436         (add_c_test, traverse_c_tests): Declare.
437         * read-rtl.c: Include gensupport.h.
438         (read_conditions): New function.
439         (read_rtx): If read_rtx_1 returns 0, treat as EOF.
440         (read_rtx_1): If we get EOF when we were looking for an initial
441         open paren, return 0.  Call read_conditions when appropriate.
442         * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
443         dummy-conditions.o.  Eliminate references to insn-conditions.o,
444         or change them to build/gencondmd.o, as appropriate.  Remove
445         insn-constants.h from $(simple_generated_h) and insn-conditions.c
446         from $(simple_generated_c).  For all files remaining in those
447         two lists, add insn-conditions.md to the generator command line.
448         Give insn-constants.h/s-constants their own rules.  Add rules
449         for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
450         (build/read-rtl.o): Depend on gensupport.h.
451         (genprognormal): Include preds.
452         (genprogearly): Rename genprognoprint; only difference is now that
453         they don't link with $(BUILD_PRINT).
454         * dummy-conditions.c: Delete.
455
456 2006-01-22  Zack Weinberg  <zackw@panix.com>
457
458         * genextract.c: Don't include insn-config.h.  Do include vec.h.
459         Declare vectors of int, char, and locstr.
460         (locstr): New typedef.
461         (struct extraction): Make all array fields into bare pointers.
462         (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
463         (insn_code_number): Delete.
464         (accum_extract): New struct.
465         (VEC_safe_set_locstr, VEC_char_to_string): New functions.
466         (gen_insn): Take insn_code_number as an argument.  Use an
467         accum_extract structure instead of loading data directly into
468         a struct extraction, and having to know how big it might get.
469         (walk_rtx): Operate entirely on an accum_extract structure.
470         (print_path): Avoid unnecessary use of printf.
471         (print_header): New function, split out of main.  Distinguish
472         more carefully between an unrecognizable insn and an insn that
473         has the code number of a define_expand.
474         (main): Pass insn_code_number to gen_insn.  Call print_header
475         only after parsing.  Avoid unnecessary use of printf.
476         * Makefile.in (build/vec.o): New rule.
477         (build/genextract): Depend on build/vec.o.
478         (build/genextract.o): Don't depend on insn-config.h.
479
480 2006-01-22  Zack Weinberg  <zackw@panix.com>
481
482         * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
483         $(RUN_GEN).  Use pattern rules to factor out as much boilerplate as
484         practical.  Eliminate per-generator-program link rules.
485
486 2006-01-23  Andrew Pinski  <pinskia@physics.uc.edu>
487
488         PR middle-end/24437
489         * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
490         with a call expr to ...
491         * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
492
493 2006-01-23  Richard Guenther  <rguenther@suse.de>
494
495         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
496         before make_edge with conditional EDGE_TRUE_VALUE.
497
498 2006-01-23  Steven Bosscher  <stevenb.gcc@gmail.com>
499         Jan Hubicka  <jh@suse.cz>
500         Richard Guenther  <rguenther@suse.de>
501
502         PR rtl-optimization/25654
503         * cfgexpand.c (aggregate_contains_union_type): New function.
504         (add_alias_set_conflicts): Call it.  Make sure to add conflicts
505         for structure variables that contain a union type.
506
507 2006-01-23  Richard Sandiford  <richard@codesourcery.com>
508
509         * gengtype.c (new_structure): Return the structure.
510         (create_option): Add an extra "next" argument.
511         (create_field): New function.
512         (adjust_field_rtx_def): Use create_option and create_field.
513         Remove a now-unnecessary call to find_structure.
514         (adjust_field_tree_def): Likewise.
515         (note_yacc_type): Remove an unnecessary call to find_structure.
516         * gengtype.h (new_structure): Return the structure.
517         (create_option): Add an extra argument.
518         * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
519         (option): Adjust calls to create_option.
520
521 2006-01-22  David Edelsohn  <edelsohn@gnu.org>
522
523         * config/rs6000/aix.h (STACK_BOUNDARY): Define.
524
525 2006-01-22  Paul Brook  <paul@codesourcery.com>
526         Peter Barada  <peter@the-baradas.com>
527
528         * config/m68k/m68k.md: Add Coldfire FPU support.
529         Define FP mode macro and associated attributes.
530         Use it for float mode patterns.
531         * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
532         (LIBCALL_VALUE): Use m68k_libcall_value.
533         * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
534         (m68k_function_value): Ditto.
535         (emit_move_sequence): Ditto.
536         * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
537         * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
538         * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
539         (MULTILIB_EXCEPTIONS): Ditto.
540         * config/m68k/m68k.opt: Add mcfv4e.
541         * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
542         (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
543         (m68k_output_function_prologue): Save ColdFire FPU registers.
544         (m68k_output_function_epilogue): Restore ColdFire FPU registers.
545         (force_mode, fp_reg_operand, emit_move_sequence): New functions.
546         (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
547         ColdFire FPU registers.
548         (m68k_libcall_value, m68k_function_value): New functions.
549         * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
550         (LIBCALL_VALUE): Use m68k_libcall_value.
551         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
552         (MASK_COLDFIRE): Add MASK_CFV4E.
553         (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
554         (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
555         (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
556         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
557         (GO_IF_LEGITIMATE_ADDRESS): Use it.
558         (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
559         * doc/invoke.tex: Document -mcfv4e on m68k.
560
561 2006-01-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
562
563         * doc/contribute.texi: Change CVS to SVN and update the corresponding
564         URL.
565
566 2006-01-21  Gabriel Dos Reis  <gdr@integrable-solutions.net>
567
568         PR c++/16190
569         * c-opts.c (c_common_handle_option): Don't include
570         -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
571         * doc/invoke.texi (C++ Dialect Options): Document that
572         -Wnon-virtual-dtor is no longer included in -Wall.
573
574 2006-01-21  Joseph S. Myers  <joseph@codesourcery.com>
575
576         * gcov.c (print_version), gcov-dump.c (print_version),
577         mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
578         dates.
579
580 2006-01-21  Kenneth Zadeck <zadeck@naturalbridge.com>
581
582         * df-scan.c (problem_SCAN): Added NULL reset function.
583         (df_scan_reset_blocks): Added code to call reset block function
584         (df_bb_refs_delete) Fixed comment.
585         (df_insn_refs_delete): Made tolerant of deleting non existent info
586         for dataflow problems that need to be reset.
587         * df-core.c (df_set_blocks): Ditto.
588         * df.h (struct df_problem): Added reset_fun.
589         * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
590         problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
591         (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
592         functions to clear out all references to def-use or use-def chains.
593
594 2006-01-21  Ben Elliston  <bje@au.ibm.com>
595
596         * varasm.c (assemble_real): Initialise data array.
597
598 2006-01-20  Paul Brook  <paul@codesourcery.com>
599
600         Merge from csl-arm-branch.
601         2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
602         * config/arm/arm.md (movdi): Force operands[1] to a register
603         if we have a non-register source.
604         (*arm_movdi, *movdf_soft_insn): Require that one of the
605         operands be a register.
606         * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
607         * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
608
609 2006-01-20  DJ Delorie  <dj@redhat.com>
610
611         * varasm.c (initialize_constant_valid_p): Allow pointers
612         initialized from integer constants of lesser precision.
613         (output_constant): Allow non-int-sized pointer modes to be
614         initialized from integer constants.
615
616 2006-01-20  Joseph S. Myers  <joseph@codesourcery.com>
617
618         PR libstdc++/25524
619         * cppdefault.h (struct default_include): Add multilib flag.
620         * cppdefault.c (cpp_include_defaults): Set it.
621         * c.opt (-imultilib): New option.
622         * c-opts.c (imultilib): New.
623         (c_common_handle_option): Handle -imultilib.
624         (c_common_post_options): Likewise.
625         * c-incpath.c (add_standard_paths, register_include_chains):
626         Likewise.
627         * c-incpath.h (register_include_chains): Add extra parameter.
628         * gcc.c (do_spec_1): Generate -imultilib option.
629         (The Specs Language): Update %I description.
630         (process_command): Update copyright notice.
631         * doc/cppopts.texi (-imultilib): Document.
632         * doc/invoke.texi (-imultilib): Include in option summary.
633         (%I): Update specs documentation.
634
635 2006-01-20  Zdenek Dvorak <dvorakz@suse.cz>
636
637         * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
638
639 2006-01-20  Richard Sandiford  <richard@codesourcery.com>
640
641         * stmt.c (case_bit_test_cmp): Stabilize the sort using code
642         label numbers.
643
644 2006-01-20  Richard Guenther  <rguenther@suse.de>
645         Steven Bosscher <stevenb.gcc@gmail.com>
646
647         PR rtl-optimization/24626
648         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
649         EDGE_TRUE_VALUE if in RTL mode.
650
651         Revert
652         2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
653         * cfgrtl.c (rtl_verify_flow_info_1): Fix.
654
655 2006-01-20  Dirk Mueller  <dmueller@suse.com>
656
657         PR c++/5520
658         * c-parser.c (c_parser_if_body): Use build_empty_stmt()
659         instead of a special NOP marker.
660         * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
661         NOP marker handling.
662         * c-common.h (empty_body_warning): Add forward declaration.
663         * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
664         Now uses IS_EMPTY_STMT() instead of special NOP markers.
665
666 2006-01-20  Paul Brook  <paul@codesourcery.com>
667
668         * Makefile.in (lang_checks): Keep going if mkdir fails.
669
670 2006-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
671
672         * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
673         be able to clean out basic block when not necessary.
674         (df_scan_free): Fixed to properly delete information if df is
675         unused before calling df_finish.
676         (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
677         df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
678         or comment typos.
679         (df_bb_refs_delete): New function.
680         (df_refs_delete): Moved per block code to df_bb_refs_delete.
681         * df-core.c (df_set_blocks): Added code to properly clean out
682         unused blocks if they are not part of the blocks to consider.
683         Added additional null check.
684         (df_compact_blocks): Added basic block parameter to free_bb_fun to
685         be able to clean out basic block when not necessary
686         * df.h (df_free_bb_function): Ditto.
687         (df_bb_refs_delete): New function.
688         * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
689         df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
690         basic block parameter to be able to clean out basic block when not
691         necessary.
692         (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
693         (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
694         Fixed to properly delete information if df is unused before
695         calling df_finish.
696
697 2006-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
698
699         PR rtl-optimization/25799
700         * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
701         Corrected confluence operator to remove bits from op2 before oring
702         with op1 rather than removing bits from op1.
703         (df_ru_transfer_function): Corrected test on wrong bitmap which
704         caused infinite loop.  Both of these problems were introduced in
705         the dataflow rewrite.
706
707 2006-01-19  DJ Delorie  <dj@redhat.com>
708
709         * reload1.c (find_reload_regs): Note the details of reload
710         failures in the dump file.
711         (spill_failure): Likewise.
712
713 2006-01-20  Zdenek Dvorak <dvorakz@suse.cz>
714
715         * loop-iv.c: Include df.h and hashtab.h.
716         (enum iv_grd_result): New enum.
717         (DF_REF_IV, DF_REF_IV_SET): New macros.
718         (struct biv_entry): New.
719         (df, bivs): New global variables.
720         (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
721         assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
722         Removed.
723         (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
724         iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
725         analyzed_for_bivness_p, record_biv): New functions.
726         (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
727         get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
728         iv_analyze, biv_p, iv_analysis_done): Work with df representation of
729         UD chains.
730         (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
731         analysed.
732         (iv_number_of_iterations): Use new interface to iv analysis.
733         * loop-unroll.c: Do not include varray.h.
734         (analyze_iv_to_split_insn): Use new interface to iv
735         analysis.
736         * loop-unswitch.c (may_unswitch_on): Ditto.
737         * df.c (df_bitmaps_free): Only work for bbs for that structures are
738         allocated.
739         (df_bb_modify): Realloc tables to the new index.
740         (df_find_use): New function.
741         * df.h (df_find_use): Declare.
742         * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
743         outmode.
744         * cfgloop.h (struct rtx_iv): Remove analysed field.
745         (iv_get_reaching_def): Removed.
746         (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
747         * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
748         (loop-iv.o): Add df.h and hashtab.h dependency.
749         * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
750
751 2006-01-20  Alan Modra  <amodra@bigpond.net.au>
752
753         * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
754         Double TFmode.
755         (__floatundisf, __floatundidf): Likewise.
756         * libgcc2.h (IS_IBM_EXTENDED): Define.
757
758 2006-01-19  DJ Delorie  <dj@redhat.com>
759
760         * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
761
762 2006-01-19  Paul Brook  <paul@codesourcery.com>
763
764         * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
765         as nothrow when unwinding tables are disabled.
766
767 2006-01-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
768
769         PR testsuite/25171
770         * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
771         of bit-field" when in system header.
772
773 2006-01-19  DJ Delorie  <dj@redhat.com>
774
775         * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
776         the 16 bit shift limit of the m16c.
777
778 2006-01-19  Andrew Pinski  <pinskia@physics.uc.edu>
779
780         PR target/22099
781         * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
782         * config/i386/i386.c (output_set_got): Output the label if we have one
783         for the TARGET_DEEP_BRANCH_PREDICTION case.
784
785 2006-01-19  Jan Hubicka  <jh@suse.cz>
786             H.J. Lu  <hongjiu.lu@intel.com>
787             Evandro Menezes <evandro.menezes@amd.com>
788
789         * invoke.texi (generic): Document
790         (i686) Update.
791         * config.gcc: Make x86_64-* and i686-* default to generic tunning.
792         * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
793         TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
794         (x86_use_incdec, x86_pad_returns): New variables
795         (TARGET_CPU_DEFAULT_generic): New constant
796         (TARGET_CPU_DEFAULT_NAMES): Add generic.
797         (enum processor_type): Add generic32 and generic64.
798         * i386.md (cpu attribute): Add generic32/generic64
799         (movhi splitter): Behave sanely when both partial_reg_dependency and
800         partial_reg_stall are set.
801         (K8 splitters): Enable for generic as well.
802         * predicates.md (incdec_operand): Use TARGET_INCDEC
803         (aligned_operand): Avoid memory mismatch stalls.
804         * athlon.md: Enable for generic64, new patterns for 128bit moves.
805         * ppro.md: Enable for generic32
806         * i386.c (generic64_cost, generic32_cost): New.
807         (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
808         (x86_use_leave): Enable for generic64.  (x86_use_sahf,
809         x86_ext_80387_constants): Enable for generic32.  (x86_push_memory,
810         x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
811         x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
812         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
813         x86_partial_reg_dependency, x86_memory_mismatch_stall,
814         x86_accumulate_outgoing_args, x86_prologue_using_move,
815         x86_epilogue_using_move, x86_arch_always_fancy_math_387,
816         x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
817         Enable for generic.
818         (x86_use_incdec, x86_pad_returns): New.
819         (override_options): Add generic32 and generic64, translate "generic"
820         to generic32/generic64 and "i686" to "generic32", refuse
821         "generic32"/"generic64" as arch target.
822         (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
823         (ix86_reorg): Honor PAD_RETURNS.
824
825 2006-01-19  Diego Novillo  <dnovillo@redhat.com>
826
827         * tree-pretty-print.c (dump_generic_node): Handle
828         OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
829         * cgraph.c (cgraph_expand_queue): Rename from
830         cgraph_analyze_queue.  Update all users.
831         * cgraphunit.c (cgraph_assemble_pending_functions): Process
832         cgraph_expand_queue.
833         (cgraph_expand_all_functions): Likewise.
834         (cgraph_finalize_pending_functions): Remove.  Update callers.
835
836         * tree.h (OMP_DIRECTIVE_P): Define.
837         (OMP_PARALLEL_FN): Define.
838         (OMP_PARALLEL_DATA_ARG): Define.
839         (OMP_SECTIONS_SECTIONS): Define.
840         * tree-pass.h (pass_expand_omp): Declare.
841         * omp-low.c (struct omp_region): Declare.
842         (struct omp_context): Remove fields 'parallel_type',
843         'parallel_start_ix' and 'parallel_start_additional_args'.
844         Update all users.
845         (struct omp_for_data): Rename from struct expand_omp_for_data.
846         (omp_regions): New static variable.
847         (root_omp_region): New static variable.
848         (find_omp_clause): Make static.
849         (is_in_combined_parallel_ctx): Remove.
850         (is_combined_parallel): New.
851         (extract_omp_for_data): Move earlier in the file.
852         (workshare_safe_to_combine_p): New.
853         (get_ws_args_for): New.
854         (determine_parallel_type): Move earlier in the file.
855         (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
856         child function.
857         (omp_copy_decl): Likewise.
858         (create_omp_child_function): Likewise.
859         (lookup_omp_region): New.
860         (dump_omp_region): New.
861         (debug_omp_region): New.
862         (debug_all_omp_regions): New.
863         (new_omp_region): New.
864         (scan_omp_parallel): If parallel_nesting_level > 1, the
865         directive is nested within another parallel directive.
866         Set OMP_PARALLEL_FN.
867         (scan_omp_for): Do not try to handle combined parallel+for
868         cases.
869         Remove FIXME comment.
870         (scan_omp_nested): Remove.
871         (scan_omp_1): Do not call scan_omp_nested when
872         parallel_nesting_level is > 1.
873         Do not change the DECL_CONTEXT of local variables found.
874         (lookup_decl_in_outer_ctx): New.
875         (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
876         (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
877         (lower_reduction_clauses): Rename from expand_reduction_clauses.
878         (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
879         If CTX is nested, lookup VAR in the outer context when
880         building copy assignment.
881         (lower_send_clauses): Rename from expand_send_clauses.
882         If CTX is nested, lookup VAR in the outer context when
883         building copy assignments.
884         (lower_send_shared_vars): Rename from expand_send_shared_vars.
885         If CTX is nested, lookup VAR in the outer context when
886         building copy assignments.
887         (expand_parallel_call): Rename from build_parallel_call.
888         Handle combined parallel+workshare cases.
889         Re-implement to emit code into the CFG.
890         (list2chain): New.
891         (expand_omp_parallel): Re-implement to emit code into the CFG.
892         Call move_sese_region_to_fn to outline the sub-graph
893         containing the parallel region.
894         (expand_omp_for_1): Remove.
895         (expand_omp_for_generic): Re-implement to emit code into the
896         CFG.
897         (expand_omp_for_static_nochunk): Likewise.
898         (expand_omp_for_static_chunk): Likewise.
899         (expand_omp_for): Likewise.
900         (expand_omp_sections): Likewise.
901         (remove_exit_barriers): New.
902         (expand_omp_synch): New.
903         (expand_omp): New.
904         (build_omp_regions_1): New.
905         (build_omp_regions): New.
906         (execute_expand_omp): New.
907         (gate_expand_omp): New.
908         (pass_expand_omp): Define.
909         (lower_omp_sections): Rename from expand_omp_sections.
910         Set OMP_SECTIONS_SECTIONS.
911         (lower_omp_single_simple): Rename from expand_omp_single_simple.
912         (lower_omp_single_copy): Rename from expand_omp_single_copy.
913         (lower_omp_single): Rename from expand_omp_simple.
914         (lower_omp_master): Rename from expand_omp_master.
915         (lower_omp_ordered): Rename from expand_omp_ordered.
916         (lower_omp_critical): Rename from expand_omp_critical.
917         (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
918         (lower_omp_for): Re-implement.
919         (lower_omp_parallel): Re-implement.
920         (lower_regimplify): Rename from expand_regimplify.
921         (lower_omp_1): Rename from expand_omp_1.
922         If there are syntax errors in the program, replace every
923         OpenMP directive with NOP.
924         Call lower_omp_* instead of expand_omp_*.
925         (lower_omp): Rename from expand_omp.
926
927         * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
928         * tree-gimple.h (enum omp_parallel_type): Remove.
929         (gimple_boolify): Declare extern.
930         (find_omp_clause, determine_parallel_type): Remove.
931
932         * gimple-low.c (lower_omp_directive): New.
933         (lower_stmt): Call it.
934         (record_vars_into): Move from ...
935         (record_vars): ... here.
936         Call record_vars_into with current_function_decl.
937
938         * gimplify.c (struct gimplify_ctx): Remove fields
939         combined_pre_p and combined_ctxp.  Update users.
940         (get_formal_tmp_var): Add documentation.
941         (gimple_boolify): Make extern.
942         (gimplify_expr_in_ctx): Remove.  Update callers.
943         (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
944         will always be a BIND_EXPR.
945         (gimplify_expr): Handle OMP_RETURN_EXPR.
946         * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
947         (OMP_PARALLEL): Add 3 operands.
948         (OMP_SECTIONS): Add 1 operand.
949         (OMP_RETURN_EXPR): Define.
950
951         * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
952         (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
953         * tree-iterator.c (alloc_stmt_list): Assert that we are not
954         creating a circular free list.
955         (free_stmt_list): Assert that we are not freeing stmt_list_cache.
956
957         * tree-flow.h (move_sese_region_to_fn): Declare.
958         (record_vars_into): Declare.
959         * tree-cfg.c (make_omp_sections_edges): New.
960         (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
961         OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
962         OMP_SECTIONS and OMP_SECTION.
963         (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
964         (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
965         (verify_stmt): Do not handle OMP_DIRECTIVE_P.
966         (gather_blocks_in_sese_region): New.
967         (struct move_stmt_d): Declare.
968         (move_stmt_r): New.
969         (move_block_to_fn): New.
970         (move_sese_region_to_fn): New.
971
972         * passes.c (init_optimization_passes): Schedule
973         pass_expand_omp after pass_init_datastructures.
974
975         * tree-ssa-operands.c (get_expr_operands): Handle
976         OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
977         OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
978
979 2006-01-19  Jeff Law  <law@redhat.com>
980
981         * tree-vrp.c (extract_range_from_assert): Refine the result range
982         if the variable referenced by the ASSERT_EXPR has a range and
983         either the tentative result range or the previous range is a
984         VR_ANTI_RANGE.
985
986 2006-01-19  Richard Sandiford  <richard@codesourcery.com>
987
988         * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
989
990 2006-01-19  Jan Hubicka  <jh@suse.cz>
991
992         * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
993
994 2006-01-19  Paolo Bonzini  <bonzini@gnu.org>
995
996         * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
997         (expand_compound_operation, expand_field_assignment): Fail if the
998         bit lengths of an extract operation are out of range.
999         (make_extraction): Compute wanted_inner_mode based on the position
1000         and length of the extraction.  Make it extraction_mode for non-constant
1001         positions, and do not modify offset in that case.  When generating a
1002         new MEM, use a mode that can hold the extraction while keeping correct
1003         alignment.  Remove code that supported MEMs wrapped by USEs.
1004         (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
1005
1006 2006-01-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1007
1008         * config/s390/s390.md ("Y", "y"): New mode attribute.
1009         ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
1010         "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
1011         "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
1012         "*addsi3_imm_cc", "*addsi3_carry1_cc",
1013         "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
1014         "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
1015         "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
1016         "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
1017         "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
1018         "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
1019         "addsi3", "subsi3"): Insn patterns removed.
1020         ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
1021         "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
1022         "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
1023         "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
1024         "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
1025         "*sub<mode>3_cconly2"): New insn patterns.
1026         ("addsi3", "subsi3"): New expanders.
1027
1028 2006-01-19  Dorit Nuzman  <dorit@il.ibm.com>
1029
1030         * Makefile.in (tree-vect-patterns.o): Add rule for new file.
1031         * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
1032         existing STMT_VINFO_VECTYPE if available.
1033         (vect_mark_relevant): Add special handling for stmts that are
1034         marked as STMT_VINFO_IN_PATTERN_P.
1035         (vect_analyze_loop): Call vect_pattern_recog.
1036         * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
1037         * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
1038         stmt_info.
1039         (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
1040         (vect_recog_func_ptr): New function-pointer type.
1041         * tree-vect-patterns.c: New file.
1042         (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
1043         (vect_recog_dot_prod_pattern, vect_pattern_recog):
1044         (vect_pattern_recog_1): New functions.
1045         (vect_pattern_recog_funcs): New array of function pointers.
1046
1047         * tree-vectorizer.h (ternary_op): New enum value.
1048         * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
1049         declaration. Revised documentation. Removed redundant dump prints.
1050         Removed redundant argument. Added support for reduction patterns.
1051         (vectorizable_reduction): Added support for reduction patterns.
1052         (vect_transform_stmt): Added support for patterns.
1053
1054         * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
1055         * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
1056         * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
1057         (expand_widen_pattern_expr): New function.
1058         (init_optabs): Initialize new optabs udot_prod_optab,
1059         sdot_prod_optab.
1060         * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
1061         (sdot_prod_optab, udot_prod_optab): Define new optabs.
1062         (expand_widen_pattern_expr): New function declaration.
1063         * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
1064         tree-codes.
1065         * tree-inline.c (estimate_num_insns_1): Added cases for new
1066         tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1067         * tree-pretty-print.c (dump_generic_node): Likewise.
1068         (op_prio): Likewise.
1069         (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1070         * tree-ssa-operands.c (get_expr_operands): Added case for
1071         DOT_PROD_EXPR.
1072         * tree-vect-patterns.c (widened_name_p): New function.
1073         (vect_recog_dot_prod_pattern): Added function implementation.
1074         * tree-vect-transform.c (get_initial_def_for_reduction): Added
1075         cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
1076         * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
1077         * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
1078
1079         * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
1080         * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
1081         * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
1082         (init_optabs): Initialize new optabs widen_ssum_optab,
1083         widen_usum_optab.
1084         * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
1085         (widen_ssum_optab, widen_usum_optab): Define new optabs.
1086         * tree-vect-generic.c: (expand_vector_operations_1): Check type of
1087         use instead of type of def.
1088         * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
1089         function implementation.
1090         * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
1091         widen_ssumv8hi): New.
1092
1093         * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
1094         patterns.
1095
1096 2006-01-19  Richard Sandiford  <richard@codesourcery.com>
1097
1098         PR c/25805
1099         * c-decl.c (add_flexible_array_elts_to_size): New function.
1100         (finish_decl): Use it.
1101
1102 2006-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
1103
1104         * diagnostic.h: Include options.h.
1105         * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
1106         dependancies for diagnostic.h.
1107         * Makefile.in (DIAGNOSTIC_H): Add options.h.
1108
1109 2006-01-16  Daniel Berlin  <dberlin@dberlin.org>
1110
1111         * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
1112         (ssa_ro_call_cache_valid): Ditto.
1113         * tree-ssa-alias.c (sort_tags_by_id): New function.
1114         (init_transitive_clobber_worklist): Ditto.
1115         (add_to_worklist): Ditto.
1116         (mark_aliases_call_clobbered): Ditto.
1117         (compute_tag_properties): Ditto.
1118         (set_initial_properties): Ditto.
1119         (compute_call_clobbered): Ditto.
1120         (compute_may_aliases):  Call compute_call_clobbered and grouping.
1121         (compute_flow_sensitive_aliasing): Remove clobbering related code.
1122         (compute_flow_insensitive_aliasing): Grouping now happens in our
1123         caller.
1124         (setup_pointers_and_addressables): Remove clobbering related code.
1125         (add_may_alias): Ditto.
1126         (replace_may_alias): Ditto.
1127         (get_nmt_for): Ditto.
1128         (create_global_var):
1129         (is_escape_site): Return an escape_type enumeration.
1130         * tree-flow-inline.h (is_call_clobbered):  Global var does not
1131         imply call clobbered.
1132         (mark_call_clobbered): Take a reason for marking this. Remove
1133         marking of globalness, and cache invalidation.
1134         (clear_call_clobbered): Remove cache invalidation code.
1135         * tree-dfa.c (dump_variable): If details is on, dump the reason
1136         for escaping.
1137         * tree-outof-ssa.c (create_temp): Copy escape mask from original
1138         variable.
1139         * tree-flow.h (struct ptr_info_def): Add escape mask member.
1140         (struct var_ann_d): Ditto.
1141         (enum escape_type): New.
1142         (mark_call_clobbered): Adjust prototype.
1143         * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
1144         are never call clobbered.
1145         Record reasons for escaping.
1146         * tree-ssa-structalias.h (is_escape_site): Update prototype.
1147         * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
1148         (ssa_ro_call_cache_valid): Ditto.
1149         (clobbered_v_may_defs): Ditto.
1150         (clobbered_vuses): Ditto.
1151         (ro_call_vuses): Ditto.
1152         (clobber_stats): New.
1153         (init_ssa_operands): Zero out clobber stats.
1154         (fini_ssa_operands): Print out clobber stats.
1155         (get_call_expr_operands): Pass callee fndecl to
1156         add_call_read_ops).
1157         (add_call_clobber_ops): Remove use of cache.
1158         Add use of PURE_CONST information.
1159         (add_call_read_ops): Remove use of cache.
1160         Add use of static not_read information.
1161
1162 2006-01-18  Alexandre Oliva  <aoliva@redhat.com>
1163
1164         Introduce TLS descriptors for i386 and x86_64.
1165         * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
1166         (TARGET_ANY_GNU_TLS): New macro.
1167         (enum tls_dialect): Added TLS_DIALECT_GNU2.
1168         (struct machine_function): Add tls_descriptor_call_expanded_p.
1169         (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
1170         (ix86_current_function_calls_tls_descriptor): Likewise.
1171         * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
1172         (override_options): Introduce gnu2 tls dialect.
1173         (ix86_frame_pointer_required): Functions containing TLSCALLs are
1174         not leaves.
1175         (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
1176         Likewise.
1177         (legitimize_tls_address): Adjust logic for GNU2 TLS.
1178         (ix86_init_machine_status): Initialize new field.
1179         (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
1180         (ix86_tls_module_base): New.
1181         * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
1182         * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
1183         (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
1184         (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
1185         (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
1186         (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
1187         (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
1188         (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
1189         * config/i386/predicates.md (tls_modbase_operand): New.
1190         (tp_or_register_operand): New.
1191
1192 2006-01-18  Daniel Berlin  <dberlin@dberlin.org>
1193
1194         * ipa-reference.c (check_operand):  Allow FUNCTION_DECL.
1195         (look_for_address_of): Ditto.
1196         (ipa_init): Walk the function decls.
1197         (static_execute): Don't set readonly on FUNCTION_DECL's.
1198
1199 2006-01-18  Roger Sayle  <roger@eyesopen.com>
1200
1201         * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
1202         for shifts where the source and destination registers are different.
1203
1204 2006-01-18  Paul Brook  <paul@codesourcery.com>
1205
1206         Merge from csl-arm-branch.
1207         2005-03-14  Julian Brown  <julian@codesourcery.com>
1208         * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
1209         (aeabi_llsl): Likewise.
1210         (ashrdi3): Likewise.
1211         (aeabi_lasr): Likewise.
1212         (lshrdi3): Likewise.
1213         (aeabi_llsr): Likewise.
1214         2005-03-10  Julian Brown  <julian@codesourcery.com>
1215         * config.gcc: Disable shared libgcc for SymbianOS.
1216         * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
1217
1218 2006-01-18  DJ Delorie  <dj@redhat.com>
1219
1220         * c-pragma.c (handle_pragma_diagnostic): New.
1221         (init_pragma): Register it.
1222         * doc/extend.texi: Document it.
1223
1224         * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
1225         * diagnostic.h (diagnostic_classify_diagnostic): Declare.
1226         (diagnostic_context): Add classify_diagnostic[].
1227         * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
1228         as errors if they're overridden to DK_WARNING.
1229         (diagnostic_initialize): Initialize classify_diagnostic[].
1230         (diagnostic_set_kind_override): New.
1231         (diagnostic_report_diagnostic): Check for kind changes.
1232         * opts.c (common_handle_option): Take lang_mask.  Update callers.
1233         Handle OPT_Werror_.
1234         * common.opt (Werror=): New.
1235         * doc/invoke.texi: Document -Werror=*
1236
1237 2006-01-18  Jeff Law  <law@redhat.com>
1238
1239         * tree-vrp.c (test_for_singularity): Correct test for new
1240         min limit.  Use operand_equal_p rather than pointer equality
1241         for testing if new min/max values are equal.
1242
1243         * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
1244         using range information until after propagation and folding.
1245
1246 2006-01-18  Richard Henderson  <rth@redhat.com>
1247             Aldy Hernandez  <aldyh@redhat.com>
1248             Jakub Jelinek  <jakub@redhat.com>
1249             Diego Novillo  <dnovillo@redhat.com>
1250
1251         * omp-low.c: New file.
1252         * c-omp.c: New file.
1253
1254 2006-01-18  Richard Henderson  <rth@redhat.com>
1255             Jakub Jelinek  <jakub@redhat.com>
1256             Diego Novillo  <dnovillo@redhat.com>
1257
1258         * doc/invoke.texi: Document -fopenmp.
1259         * tree-dump.h (debug_function): Declare.
1260         * hooks.c (hook_bool_tree_bool_false): New function.
1261         (hook_tree_tree_null): Remove.
1262         (hook_tree_tree_tree_null): New.
1263         * hooks.h: Update to match.
1264         * tree-pretty-print.c (debug_tree_chain): New.
1265         (print_generic_expr): Handle TDF_CHAIN.
1266         (dump_generic_node): Handle BLOCK.
1267         Do not abort with incomplete SWITCH_EXPRs.
1268         Do not dump body of an OpenMP directive if TDF_SLIM is given.
1269         <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
1270         print space after directive name.
1271         <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
1272         Handle OMP_MASTER and OMP_ORDERED.
1273         Handle printing of OMP_BODY just in one place, goto
1274         dump_omp_body in the rest of OMP_* nodes that have
1275         OMP_BODY.
1276         Don't handle clause nodes here.  Update omp statements to
1277         use dump_omp_clauses.
1278         Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
1279         OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
1280         OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
1281         GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
1282         GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
1283         GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
1284         Adjust output for GOMP_PARALLEL.
1285         (dump_omp_clauses): New.
1286         (print_declaration): Dump DECL_VALUE_EXPR.
1287         (op_symbol_1): Split out of op_symbol.
1288         (dumping_stmts): Remove.  Update all users.
1289         * cgraph.c (cgraph_analyze_queue): New.
1290         (cgraph_add_new_function): New.
1291         * cgraph.h (cgraph_analyze_queue): Declare.
1292         (cgraph_add_new_function): Declare.
1293         (cgraph_lower_function): Remove.
1294         * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
1295         nodes.  Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
1296         and TYPE_P nodes in its default clause.
1297         (empty_body_p): New.
1298         (tree_range_check_failed): New.
1299         (build5_stat): New.
1300         * tree.h (OMP_CLAUSE_REDUCTION_INIT,
1301         OMP_CLAUSE_REDUCTION_MERGE,
1302         OMP_CLAUSE_REDUCTION_PLACEHOLDER,
1303         OMP_CLAUSE_PRIVATE_DEBUG,
1304         OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
1305         OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
1306         OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
1307         OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
1308         OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
1309         OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
1310         OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
1311         OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
1312         OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
1313         OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
1314         OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
1315         OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
1316         OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
1317         OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
1318         (TREE_RANGE_CHECK): New.
1319         (empty_body_p): Declare.
1320         (enum omp_clause_default_kind): New.
1321         (build_string_literal): Declare.
1322         (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
1323         (build5_stat, build5): Declare.
1324         * tree-pass.h (TDF_CHAIN): Define.
1325         * tree-pass.h (PROP_gimple_lomp): Define.
1326         (pass_lower_omp): Declare.
1327         * diagnostic.h (debug_tree_chain): Declare.
1328         * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
1329         mode_for_size.
1330         (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
1331         * builtins.c (build_string_literal): Make extern.
1332         * gcc.c (include_spec_function): New.
1333         (static_spec_functions): Add it.
1334         (main): Move load of libgomp.spec ...
1335         (LINK_COMMAND_SPEC): ... here.
1336         (link_gomp_spec): New.
1337         (static_specs): Include it.
1338         (LINK_COMMAND_SPEC): Add link_gomp.
1339         (GOMP_SELF_SPECS): New.
1340         (driver_self_specs): Include it.
1341         (switch_matches): Don't mark inline.
1342         (main): Load libgomp.spec.
1343         * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
1344         OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
1345         and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
1346         * tree-gimple.h (enum omp_parallel): Declare.
1347         (determine_parallel_type): Declare.
1348         (omp_firstprivatize_variable): Declare.
1349         (omp_reduction_init): Declare.
1350         (diagnose_omp_structured_block_errors): Declare.
1351         (struct walk_stmt_info): Add want_return_expr.
1352         (struct walk_stmt_info): Add want_bind_expr, want_locations.
1353         (find_omp_clause): Declare.
1354         (insert_field_into_struct): Declare.
1355         (struct walk_stmt_info): Move from tree-nested.c
1356         (walk_stmts): Declare.
1357         * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
1358         to 200505.
1359         * cgraphunit.c (cgraph_lower_function): Make static.
1360         (cgraph_finalize_pending_functions): New.
1361         (cgraph_finalize_function): Call it.
1362         (cgraph_finalize_compilation_unit): Likewise.
1363         * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
1364         BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
1365         (BT_FN_UINT_UINT): New.
1366         (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
1367         DEF_FUNCTION_TYPE_VAR_4): Document.
1368         (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
1369         BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
1370         BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
1371         BT_FN_VOID_OMPFN_PTR_UINT_UINT,
1372         BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
1373         BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
1374         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
1375         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
1376         * builtins.def: Update DEF_BUILTIN comment to include COND argument.
1377         Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
1378         into separate files.
1379         (DEF_GOMP_BUILTIN): New.
1380         (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
1381         BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
1382         BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
1383         BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
1384         BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
1385         BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
1386         BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
1387         BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
1388         BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
1389         BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
1390         BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
1391         BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
1392         BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
1393         BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
1394         BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
1395         BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
1396         BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
1397         BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
1398         BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
1399         BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
1400         BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
1401         BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
1402         BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
1403         BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
1404         BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
1405         BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
1406         * sync-builtins.def: New file, moved from builtins.def.
1407         * omp-builtins.def: New file, moved from builtins.def.
1408         * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
1409         * gimple-low.c (lower_function_body): Clear data.
1410         (lower_stmt): Do not handle COMPOUND_EXPR.
1411         Remove call to print_node_brief.
1412         * c-tree.h (c_finish_omp_clauses): New prototype.
1413         (C_DECL_THREADPRIVATE_P): Define.
1414         (lookup_name_no_remap, c_omp_remap_private): Remove
1415         (c_begin_omp_parallel, c_finish_omp_parallel): Update.
1416         (check_for_loop_decls): Update decl.
1417         (lookup_name_no_remap, c_omp_remap_private): Declare.
1418         (build_indirect_ref, build_modify_expr, pushdecl,
1419         pushdecl_top_level): Move to c-common.h.
1420         * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
1421         before the switch, but just in the 2 places that need it.
1422         * c-decl.c (diagnose_mismatched_decls): Do not check for
1423         mismatched thread-local attributes when OLDDECL is marked
1424         threadprivate and NEWDECL has no thread-local attributes.
1425         (merge_decls): Merge C_DECL_THREADPRIVATE_P.
1426         (c_gimple_diagnostics_recursively): Rename from
1427         c_warn_unused_result_recursively.  Invoke
1428         diagnose_omp_structured_block_errors.
1429         (check_for_loop_decls): Return a singular decl found.
1430         * langhooks.c (lhd_omp_predetermined_sharing): Return
1431         OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
1432         (lhd_omp_firstprivatize_type_sizes): New.
1433         (lhd_omp_assignment): New.
1434         (lhd_omp_predetermined_sharing): New.
1435         * langhooks.h (struct gimplify_omp_ctx): Forward declare.
1436         (struct lang_hooks_for_types): Add
1437         omp_firstprivatize_type_sizes, omp_privatize_by_reference,
1438         omp_predetermined_sharing, omp_disregard_value_expr,
1439         omp_private_debug_clause, omp_clause_default_ctor,
1440         omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
1441         (c_finish_omp_clauses): New.
1442         (c_finish_bc_stmt): Diagnose break within omp for.
1443         (c_begin_omp_parallel, c_finish_omp_parallel): New.
1444         (build_unary_op): Return error_mark after reporting
1445         a readonly_error.
1446         (build_modify_expr): Likewise.
1447         * gimplify.c: Include optabs.h and pointer-set.h.
1448         (enum gimplify_omp_var_data): Declare.
1449         (struct gimplify_omp_ctx): Declare.
1450         (struct gimplify_ctx): Add fields prev_context, combined_pre_p
1451         and combined_ctxp.
1452         (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
1453         (push_gimplify_context, pop_gimplify_context): Allow nesting.
1454         (splay_tree_compare_decl_uid): New.
1455         (new_omp_context): New.
1456         (delete_omp_context): New.
1457         (gimple_add_tmp_var): Call omp_add_variable.
1458         (gimplify_bind_expr): Likewise.
1459         (gimplify_var_or_parm_decl): If omp_notice_variable returned
1460         true, disregard DECL_VALUE_EXPR on the decl if any.
1461         (gimplify_expr_in_ctx): New.
1462         (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
1463         omp_add_variable, omp_notice_variable, omp_is_private
1464         gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
1465         gimplify_adjust_omp_clauses, gimplify_omp_parallel
1466         gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
1467         gimplify_omp_atomic_fetch_op, goa_stabilize_expr
1468         gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
1469         gimplify_omp_atomic): New.
1470         (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1471         OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1472         OMP_CRITICAL and OMP_ATOMIC.
1473         (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
1474         * c-pragma.h (enum pragma_kind): Add
1475         PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
1476         PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
1477         PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
1478         PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
1479         PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
1480         PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
1481         PRAGMA_OMP_THREADPRIVATE.
1482         * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1483         OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1484         OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
1485         OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
1486         OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
1487         OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
1488         OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
1489         OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
1490         OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
1491         * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
1492         * tree-ssa-dce.c (find_control_dependence): Do not assume that
1493         ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
1494         * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
1495         OpenMP directives.
1496         (struct nesting_info): Add field_map,
1497         suppress_expansion, debug_var_chain.
1498         (create_nesting_tree): Initialize them.
1499         (lookup_field_for_decl): Use field_map.
1500         (get_nonlocal_debug_decl, get_local_debug_decl): New.
1501         (convert_local_omp_clauses): New.
1502         (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
1503         (walk_body): Split out of walk_function.
1504         (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
1505         (convert_nonlocal_reference): Handle omp statements.
1506         (convert_local_reference): Likewise.
1507         (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
1508         (unnest_nesting_tree): New.
1509         (lower_nested_functions): Call it.
1510         (insert_field_into_struct): Make extern.
1511         (struct walk_stmt_info): Move to tree-gimple.h.
1512         (walk_stmts): Make extern.
1513         * omp-builtins.def: New file.
1514         * tree-iterator.c (expr_only): Clarify comment.
1515         * c-common.h (pushdecl_top_level, pushdecl,
1516         build_modify_expr, build_indirect_ref,
1517         c_finish_omp_master, c_finish_omp_critical,
1518         c_finish_omp_ordered, c_finish_omp_barrier,
1519         c_finish_omp_atomic, c_finish_omp_flush,
1520         c_finish_omp_for, c_split_parallel_clauses,
1521         omp_clause_default_kind, c_omp_sharing_predetermined,
1522         c_omp_remap_decl): Declare.
1523         * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
1524         (OBJS-common): Add omp-low.o.
1525         (c-omp.o, omp-low.o): Add.
1526         (gimplify.o): Add dependency on $(OPTABS_H).
1527         (GTFILES): Add omp-low.c.
1528         (gt-stringpool.h): Add.
1529         * tree-cfg.c (set_bb_for_stmt): Do not update the
1530         block-to-labels map if we are currently expanding to RTL.
1531         (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
1532         checks.
1533         Handle IDENTIFIER_NODE.
1534         (tree_verify_flow_info): Do not ICE when emitting error
1535         messages about invalid labels.
1536         (dump_function_to_file): Reset CFUN before emitting the body
1537         of the function.
1538         (debug_function): New.
1539         * passes.c (init_optimization_passes): Schedule
1540         pass_lower_omp.
1541         * langhooks-def.h (lhd_omp_predetermined_sharing,
1542         lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
1543         Declare.
1544         (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
1545         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
1546         (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
1547         LANG_HOOKS_OMP_PREDETERMINED_SHARING,
1548         LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
1549         LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
1550         LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
1551         LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
1552         LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
1553         LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
1554         (LANG_HOOK_DECLS): Use them.
1555
1556 2006-01-18  Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
1557             Richard Henderson  <rth@redhat.com>
1558             Jakub Jelinek  <jakub@redhat.com>
1559             Diego Novillo  <dnovillo@redhat.com>
1560
1561         * c-parser.c (pragma_omp_clause): Define.
1562         (c_parser_declaration_or_fndef): Document OpenMP syntax.
1563         (c_parser_compound_statement): Likewise.
1564         (c_parser_statement): Likewise.
1565         (c_parser_pragma): Handle omp pragmas.
1566         (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
1567         OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
1568         (c_parser_omp_clause_name, check_no_duplicate_clause,
1569         c_parser_omp_variable_list,
1570         c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
1571         c_parser_omp_clause_copyprivate,
1572         c_parser_omp_clause_default,
1573         c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
1574         c_parser_omp_clause_lastprivate,
1575         c_parser_omp_clause_nowait,
1576         c_parser_omp_clause_num_threads,
1577         c_parser_omp_clause_ordered, c_parser_omp_clause_private,
1578         c_parser_omp_clause_reduction,
1579         c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
1580         c_parser_omp_all_clauses, c_parser_omp_structured_block,
1581         c_parser_omp_atomic, c_parser_omp_barrier,
1582         c_parser_omp_critical, c_parser_omp_flush,
1583         c_parser_omp_for_loop, c_parser_omp_for,
1584         c_parser_omp_master, c_parser_omp_ordered,
1585         c_parser_omp_sections_scope, c_parser_omp_sections,
1586         c_parser_omp_parallel, c_parser_omp_single,
1587         c_parser_omp_construct, c_parser_omp_threadprivate): New.
1588         * c-pragma.c (init_pragma): Do omp pragma registration here.
1589         * c.opt (fopenmp): New flag.
1590
1591 2006-01-18  Eric Christopher  <echristo@apple.com>
1592
1593         * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
1594         * config/darwin.h (GOMP_SELF_SPECS): Define.
1595
1596 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
1597
1598         * rtl.h: Remove the prototype for reg_alloc.
1599
1600 2006-01-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1601
1602         PR target/25731
1603         * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
1604         hppa[12]*-*-hpux11*): Override default shared libgcc version for both
1605         sjlj and dwarf2 exception handling.
1606         * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
1607         Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
1608         * pa/pa.c (function_value): Treat complex and vector types as
1609         aggregates.
1610         (function_arg): Likewise.  Only pass scalar floats in the floating
1611         point argument registers.
1612         * pa/t-slibgcc-dwarf-ver: New file.
1613         * pa/t-slibgcc-sjlj-ver: New file.
1614         * pa/t-slibgcc-elf-ver: Delete file.
1615
1616 2006-01-19  Alan Modra  <amodra@bigpond.net.au>
1617
1618         * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
1619         unlikely_test_section_p test.
1620
1621 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
1622
1623         * mode-switching.c (optimize_mode_switching): Make it static.
1624         * basic-block.h: Remove the prototype for
1625         optimize_mode_switching.
1626
1627         * modulo-sched.c (sms_schedule): Make it static.
1628         * rtl.h: Remove the prototype for sms_schedule.
1629
1630         * postreload-gcse.c (gcse_after_reload_main): Make it static.
1631         * rtl.h: Remove the prototype for gcse_after_reload_main.
1632
1633         * reg-stack.c (reg_to_stack): Make it static.
1634         * rtl.h: Remove the prototype for reg_to_stack.
1635
1636         * regrename.c (regrename_optimize, copyprop_hardreg_forward):
1637         Make them static.
1638         * rtl.h: Remove the prototypes for regrename_optimize and
1639         copyprop_hardreg_forward.
1640
1641 2006-01-18  Eric Botcazou  <ebotcazou@adacore.com>
1642
1643         * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
1644         alpha_split_tmode_pair.  Add 'mode' and 'fixup_overlap' arguments.
1645         Test against the appropriate null constant for the mode.
1646         If 'fixup_overlap' is true, swap the operands if they overlap.
1647         (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
1648         * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
1649         alpha_split_tmode_pair and adjust for above change.
1650         * config/alpha/alpha.md (movtf_internal): Adjust call to
1651         alpha_split_tfmode_pair and rely on it to swap the operands.
1652         (movti_internal): New insn and post-reload splitter.
1653         (movti): New expander.
1654
1655 2006-01-18  Philippe De Muyter  <phdm@macqel.be>
1656
1657         * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
1658         operands.
1659
1660 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
1661
1662         * rtlanal.c (global_reg_mentioned_p_1,
1663         global_reg_mentioned_p): Remove.
1664         * rtl.h: Remove the prototype for global_reg_mentioned_p.
1665
1666         * flow.c (initialize_uninitialized_subregs): Make it static.
1667         * rtl.h: Remove the prototype for
1668         initialize_uninitialized_subregs.
1669
1670         * function.c (instantiate_virtual_regs): Make it static.
1671         * function.h: Remove the prototype for
1672         instantiate_virtual_regs.
1673
1674         * regmove.c (regmove_optimize, combine_stack_adjustments):
1675         Make them static.
1676         * rtl.h: Remove the prototypes for regmove_optimize and
1677         combine_stack_adjustments.
1678
1679 2006-01-17  Roger Sayle  <roger@eyesopen.com>
1680
1681         * config/i386/i386.c (COSTS_N_BYTES): New macro.
1682         (size_cost): Encode costs in bytes so that a reg-reg addition is
1683         equivalent to COSTS_N_INSNS(1).
1684         (override_options): Use the size_cost.branch_cost as the default
1685         ix86_branch_cost when optimizing for size.
1686
1687 2006-01-18  Ben Elliston  <bje@au.ibm.com>
1688
1689         * Makefile.in (D32PBIT_FUNCS): New.
1690         (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
1691         (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
1692         D64PBIT_FUNCS and D128PBIT_FUNCS.
1693         (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
1694         * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
1695         D128PBIT are set.
1696         (decnumber_dep): Define.
1697         * doc/libgcc.texi (Decimal float library routines): New node.
1698         * config/dfp-bit.h, config/dfp-bit.c: New files.
1699
1700 2006-01-18  Ben Elliston  <bje@au.ibm.com>
1701
1702         * expr.c (emit_move_change_mode): Always adjust addresses, not
1703         just during reload.  Copy replacements only during reload.
1704         (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
1705         emit_move_via_integer.
1706
1707 2006-01-17  Shantonu Sen  <ssen@opendarwin.org>
1708
1709         * Makefile.in (check-%, check-consistency): Use $${srcdir}
1710         instead of $(srcdir) and ${srcdir}.
1711
1712 2006-01-17  Richard Earnshaw  <rearnsha@arm.com>
1713
1714         PR target/592
1715         PR middle-end/11135
1716         * arm.h (struct machine_function): Add pic_reg.
1717         * arm.c (arm_pic_register): Make unsigned.
1718         (arm_override_options): Only set arm_pic_register if
1719         TARGET_SINGLE_PIC_BASE.
1720         (use_return_insn): Only test for a pic register if it is fixed.
1721         (arm_compute_save_reg0_reg12_mask): Likewise.
1722         (thumb_compute_save_reg_mask): Likewise.
1723         (legitimate_pic_operand): Factor out some known invariants.
1724         (legitimize_pic_address): If we don't have a fixed pic register,
1725         then set up a pseudo in the function entry sequence.  Handle the
1726         pic base being in a pseudo.
1727         (arm_load_pic_register): Handle the pic register being in a pseudo.
1728         (arm_expand_prologue): Only set up the pic register if it is fixed.
1729         (thumb_expand_prologue): Likewise.
1730         * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
1731         (pic_load_addr_based_insn): Likewise.
1732         (builtin_setjmp_receiver): Don't restore the pic base if it isn't
1733         fixed.
1734
1735 2006-01-18  Ben Elliston  <bje@au.ibm.com>
1736
1737         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
1738         decimal float modes for all floating point registers.
1739
1740         * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
1741         match_code "mem" with match_test "macho_lo_sum_memory_operand".
1742
1743 2006-01-17  Jakub Jelinek  <jakub@redhat.com>
1744
1745         PR c/25682
1746         * c-typeck.c (build_unary_op): Fold offsetof-like expressions
1747         even when the pointer is not NULL.
1748
1749 2006-01-16  Ian Lance Taylor  <ian@airs.com>
1750
1751         * common.opt (ftoplevel-reorder): New option.
1752         * cgraph.c (cgraph_asm_nodes): New global variable.
1753         (cgraph_asm_last_node): New static variable.
1754         (cgraph_order): New global variable.
1755         (cgraph_create_node): Set new order field.
1756         (cgraph_varpool_node): Likewise.
1757         (decide_is_variable_needed): Return true if not
1758         flag_toplevel_reorder.
1759         (cgraph_add_asm_node): New function.
1760         * cgraph.h (struct cgraph_node): Add order field.
1761         (struct cgraph_varpool_node): Add order field.
1762         (struct cgraph_asm_node): Define.
1763         (cgraph_asm_nodes, cgraph_order): Declare.
1764         (cgraph_add_asm_node): Declare.
1765         * cgraphunit.c (cgraph_varpool_assemble_decl): New static
1766         function.
1767         (cgraph_varpool_assemble_pending_decls): Call it.
1768         (cgraph_output_pending_asms): New static function.
1769         (cgraph_finalize_compilation_unit): Call it.
1770         (struct cgraph_order_sort): Define.
1771         (cgraph_output_in_order): New static function.
1772         (cgraph_optimize): Call cgraph_output_pending_asms.  Add code for
1773         !flag_toplevel_reorder case.
1774         * c-parser.c: Include "cgraph.h".
1775         (c_parser_asm_definition): Call cgraph_add_asm_node rather than
1776         assemble_asm.
1777         * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
1778         than -fno-unit-at-a-time.
1779         * doc/invoke.texi (Option Summary): Mention
1780         -fno-toplevel-reorder.
1781         (Optimize Options): Document -fno-toplevel-reorder.  Mention it in
1782         -funit-at-a-time documentation.
1783
1784 2006-01-17  Hans-Peter Nilsson  <hp@axis.com>
1785             Kazu Hirata  <kazu@codesourcery.com>
1786
1787         * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
1788
1789 2006-01-17  Kazu Hirata  <kazu@codesourcery.com>
1790
1791         * Makefile.in (FUNCTION_H): New.  Use it instead of
1792         function.h throughout the file.
1793         * function.h: Include tree.h.
1794
1795 2006-01-17  Ben Elliston  <bje@au.ibm.com>
1796
1797         * recog.c: Separate some functions with whitespace.
1798
1799 2006-01-16  Richard Henderson  <rth@redhat.com>
1800
1801         Merge from gomp branch:
1802         * Makefile.in (TREE_INLINE_H): New.  Use it as needed.
1803         * tree-inline.h (struct copy_body_data): Move from tree-inline.c
1804         and rename from struct inline_data.  Rename callee* to dst*;
1805         caller* to src*; add copy_decl hook, transform_call_graph_edges,
1806         transform_new_cfg, transform_return_to_modify, and
1807         transform_lang_insert_block flags; remove cloning_p, versioning_p,
1808         update_clones_p.
1809         (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
1810         (copy_decl_for_dup): Remove.
1811         * tree-inline.c (struct inline_data): Move to header.
1812         (insert_decl_map): Export.
1813         (remap_decl): Update for member name changes.  Use copy_decl hook.
1814         Allow for replacement to be a non-decl.  Remove dead code.
1815         (remap_type_1): Check for existing mapping.
1816         (remap_type): Export.
1817         (remap_decls): Update for member name changes.
1818         (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
1819         (copy_body, setup_one_parameter, declare_return_variable): Likewise.
1820         (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
1821         (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
1822         (tree_function_versioning, build_duplicate_type): Likewise.
1823         (copy_body_r): Likewise.  Export.
1824         (copy_decl_for_dup): Split into ...
1825         (copy_decl_for_dup_finish, copy_decl_to_var,
1826         copy_decl_no_change, copy_decl_maybe_to_var): ... these.
1827         (replace_ref_tree, inlining_p): Remove.
1828
1829 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
1830
1831         * ifcvt.c (if_convert): Make it static.
1832         * rtl.h: Remove the prototype for if_convert.
1833
1834         * local-alloc.c (local_alloc): Make it static.
1835         * rtl.h: Remove the prototype for local_alloc.
1836
1837         * loop.c (loop_optimize): Make it static.
1838         * cfgloop.h: Remove the prototype for loop_optimize.
1839         * rtl.h: Likewise.
1840
1841 2006-01-16  DJ Delorie  <dj@redhat.com>
1842
1843         * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
1844         mems.
1845
1846 2006-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1847
1848         * pa.md: Disparage copies between general and floating-point registers
1849         in 32-bit move patterns.
1850
1851 2006-01-16  H.J. Lu  <hongjiu.lu@intel.com>
1852
1853         PR testsuite/25741
1854         * Makefile.in (check-%): Depend on site.exp instead of
1855         $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
1856         directories.
1857
1858 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
1859
1860         * global.c (global_alloc): Make it static.
1861         * rtl.h: Remove the prototype for global_alloc.
1862
1863 2006-01-16  Richard Guenther  <rguenther@suse.de>
1864
1865         * tree-ssa-alias.c (struct used_part): Add write_only field.
1866         (get_or_create_used_part_for): Initialize it to true.
1867         (create_overlap_variables_for): Don't create structure variables
1868         for structures that only are written to.
1869         (find_used_portions): Handle MODIFY_EXPR to track whether a
1870         structure is only written to.
1871
1872 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
1873
1874         * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
1875         static.
1876         * basic-block.h: Remove the prototype for
1877         partition_hot_cold_basic_blocks.
1878
1879 2006-01-16  Rafael Ãvila de Espíndola <rafael.espindola@gmail.com>
1880
1881         * cppspec.c (lang_specific_spec_functions): Remove.
1882         * gcc.c (lookup_spec_function): Use static_spec_functions directly.
1883         * gcc.h (lang_specific_spec_functions): Remove.
1884         * gccspec.c (lang_specific_spec_functions): Remove.
1885
1886 2006-01-16  Paolo Bonzini  <bonzini@gnu.org>
1887
1888         * combine.c (record_value_for_reg): Invalidate registers
1889         if INSN is null.
1890         (record_dead_and_set_regs_1): Likewise, by passing them to
1891         record_value_for_reg.
1892         (record_dead_and_set_regs): Invalidate stores made by a
1893         call.  We do not combine across a call, but we still
1894         relied on equivalences.
1895
1896 2006-01-16  Eric Botcazou  <ebotcazou@adacore.com>
1897
1898         * tree-vrp.c (extract_range_from_binary_expr): Cope with
1899         vrp_int_const_binop returning non-constant nodes.
1900
1901 2006-01-16  Paul Brook  <paul@codesourcery.com>
1902
1903         * config/m68k/m68k.c (output_move_const_into_data_reg):
1904         Output correct mnemonic for mvz and mvs.
1905
1906 2006-01-16  Gabor Loki  <loki@gcc.gnu.org>
1907
1908         * rtl-factoring.c: Add sequence abstraction algorithm.
1909         * cfgcleanup.c (outgoing_edges_match): Extra checks.
1910         (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
1911         ABNORMAL edges.
1912         (block_has_preserve_label): New function.
1913         * common.opt: Register new pass.
1914         * Makefile.in: Ditto.
1915         * passes.c: Ditto.
1916         * timevar.def: Ditto.
1917         * tree-pass.h: Ditto.
1918         * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
1919         * rtl.h (make_jump_insn_raw): Add forward decl.
1920         * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
1921
1922 2006-01-16  Eric Botcazou  <ebotcazou@adacore.com>
1923             Roger Sayle  <roger@eyesopen.com>
1924
1925         * fold-const.c (fold_minmax): New static function.
1926         (fold_binary) <MIN_EXPR>: Call it.
1927         <MAX_EXPR>: Likewise.
1928         * stor-layout.c (place_field): Use DECL_SIZE consistently
1929         in the computation of the new record size.
1930
1931 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
1932
1933         * cse.c (cse_condition_code_reg): Make it static.
1934         * rtl.h: Remove the prototype for cse_condition_code_reg.
1935
1936         * combine.c (combine_instructions): Make it static.
1937         * rtl.h: Remove the prototype for combine_instructions.
1938
1939 2006-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1940
1941         PR target/25168
1942         * tree.c (get_file_function_name_long): Concatenate the first global
1943         object name with a string derived from the input filename of the object
1944         for type "F".
1945
1946 2006-01-16  Ben Elliston  <bje@au.ibm.com>
1947
1948         * config/i386/winnt-stubs.c: Update FSF address.
1949         * config/xtensa/ieee754-df.S: Ditto.
1950         * config/xtensa/ieee754-sf.S: Ditto.
1951
1952 2006-01-14  Ian Lance Taylor  <ian@airs.com>
1953
1954         * ifcvt.c (noce_init_if_info): New static function, broken out of
1955         noce_process_if_block.
1956         (noce_process_if_block): Call noce_init_if_info.
1957         (check_cond_move_block): New static function.
1958         (cond_move_process_if_block): New static function.
1959         (process_if_block): Call cond_move_process_if_block.
1960
1961 2006-01-15  Kazu Hirata  <kazu@codesourcery.com>
1962
1963         * cselib.c (hash_table): Rename to cselib_hash_table.
1964         (cselib_clear_table, discard_useless_values,
1965         remove_useless_values, cselib_lookup_mem, cselib_lookup,
1966         cselib_init, cselib_finish): Adjust uses of hash_table.
1967
1968 2006-01-14  Kazu Hirata  <kazu@codesourcery.com>
1969
1970         PR tree-optimization/25485
1971         * tree-vrp.c (extract_range_from_binary_expr): Handle cases
1972         where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
1973         is known to be false and true, respectively.
1974
1975 2006-01-14  Richard Guenther  <rguenther@suse.de>
1976
1977         PR tree-optimization/22548
1978         PR tree-optimization/22555
1979         PR tree-optimization/22501
1980         * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
1981         * params.def (salias-max-array-elements): New parameter.
1982         * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
1983         * doc/invoke.texi (salias-max-array-elements): Document.
1984         * tree-flow-inline.h (var_can_have_subvars): We also handle
1985         arrays now.
1986         * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
1987         COMPONENT_REF.
1988         * tree-ssa-structalias.c (params.h): Include.
1989         (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
1990         (find_func_aliases): Handle multiple constraints from ARRAY_REF.
1991         (get_constraint_for): For ADDR_EXPR operating on something
1992         containing an ARRAY_REF, add all subvars to the solution.
1993         (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
1994         * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
1995         for creating MUST_DEFs.
1996         (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
1997
1998 2006-01-14  Zdenek Dvorak <dvorakz@suse.cz>
1999
2000         * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
2001         functions.
2002         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
2003         assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2004         number_of_iterations_le): New functions.
2005         (number_of_iterations_special): Removed.
2006         (number_of_iterations_exit): Do not use number_of_iterations_special.
2007         * tree.c (unsigned_type_for): Always return integer type.
2008
2009 2006-01-14  Steven Bosscher  <stevenb.gcc@gmail.com>
2010         Richard Guenther  <rguenther@suse.de>
2011
2012         PR rtl-optimization/24257
2013         * gcse.c (find_moveable_store): Only consider a store movable
2014         when the SET_SRC of the insn can be assigned to a register.
2015
2016 2006-01-14  Ian Lance Taylor  <ian@airs.com>
2017
2018         * tree.c (tree_not_class_check_failed): New function.
2019         * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
2020         (tree_not_class_check_failed): Declare.
2021
2022 2006-01-13  Ian Lance Taylor  <ian@airs.com>
2023
2024         * reload1.c (do_output_reload): Add assertion rejecting a
2025         CALL_INSN.
2026
2027 2006-01-13  Adam Nemet  <anemet@caviumnetworks.com>
2028
2029         * combine.c (struct reg_stat): Add new fields truncation_label and
2030         truncated_to_mode.
2031         (record_value_for_reg): Reset truncated_to_mode.
2032         (record_truncated_value): New function.
2033         (check_promoted_subreg): Call it.  Rename to check_conversions.
2034         (combine_instructions): Rename check_promoted_subreg to
2035         check_conversions.
2036         (reg_truncated_to_mode): New function.
2037         (make_extraction): Use it.  Check TRULY_NOOP_TRUNCATION.
2038         (gen_lowpart_or_truncate): New function.
2039         (force_to_mode): Use it instead of gen_lowpart.
2040
2041 2006-01-13  Diego Novillo  <dnovillo@redhat.com>
2042
2043         * tree-ssa-alias.c (add_type_alias): Fix typo.  Test whether
2044         VAR is a tag, not its type tag.
2045
2046 2006-01-13  Alexandre Oliva  <aoliva@redhat.com>
2047
2048         * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
2049         alternatives to match style of other entries.
2050         (*vec_extractv2di_1_sse): Likewise.  Fix mode attr.
2051
2052 2006-01-13  Daniel Berlin  <dberlin@dberlin.org>
2053
2054         PR tree-optimization/25771
2055         * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
2056         SSA_NAMES.
2057
2058 2006-01-13  Andrew Pinski  <pinskia@physics.uc.edu>
2059
2060         PR tree-opt/24365
2061         * tree-inline.c (declare_return_variable): If the return variable
2062         was marked as a non gimple complex, set the return slot variable
2063         to be a non gimple comple variable.
2064
2065 2006-01-13  Richard Guenther  <rguenther@suse.de>
2066
2067         * builtins.c (expand_builtin_sincos): New function.
2068         (expand_builtin_mathfn_3): Remove dead code, sin and cos
2069         do not set errno.
2070         (expand_builtin): Expand sincos using expand_builtin_sincos.
2071
2072 2006-01-12  DJ Delorie  <dj@redhat.com>
2073
2074         * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
2075         shift counts, separate SI shifts for m32c vs m16c, pass shift type
2076         so that constant shifts can be split.
2077         * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
2078         (m32c_valid_pointer_mode): Make static.
2079         (shift_gen_func_for): New.
2080         (m32c_prepare_shift): Use it.  Split large const shifts into
2081         multiple shifts.
2082         * config/m32c/predicates.md (shiftcount_operand): Allow more
2083         general operands.
2084         (longshiftcount_operand): New.
2085         * doc/md.texi (Machine Constraints): Document In6.
2086
2087 2006-01-13  Ben Elliston  <bje@au.ibm.com>
2088
2089         * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
2090         REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
2091         documentation.
2092
2093 2006-01-12  Daniel Berlin  <dberlin@dberlin.org>
2094
2095         * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
2096         to try to avoid clobbering pieces of structures when we know
2097         something about the whole structure.
2098         * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
2099
2100 2006-01-13  Ben Elliston  <bje@au.ibm.com>
2101
2102         * doc/rtl.texi (Insns): Remove statement that libcalls cannot
2103         return in memory, as this is no limitation is no longer present.
2104
2105 2006-01-12  DJ Delorie  <dj@redhat.com>
2106
2107         * config/m32c/addsub.md (addhi3): Add two more alternatives, for
2108         mova with fb, and for fb+0 -> An.
2109
2110         * config/m32c/mov.md (peephole2): Fix enabling logic.
2111
2112         * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
2113         DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
2114         DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
2115         FINI_ARRAY_SECTION_ASM_OP): Define.
2116
2117         * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
2118         variable.
2119         (m32c_legitimize_reload_address): New logic to reload FB to An.
2120         (m32c_output_reg_push): Add newline.
2121         (m32c_output_reg_pop): Likewise.
2122
2123 2006-01-12  Ulrich Weigand  <uweigand@de.ibm.com>
2124
2125         * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
2126
2127 2006-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
2128
2129         * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
2130
2131 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
2132
2133         * config/sh/predicates.md (sh_rep_vec): Add parallel to
2134         match_code.
2135
2136 2006-01-11  Ben Elliston  <bje@au.ibm.com>
2137
2138         * rtlanal.c (find_reg_note): Assert insn is not null.
2139
2140 2006-01-11  Kenneth Zadeck <zadeck@naturalbridge.com>
2141
2142         * df-scan.c (df_hard_reg_init): Move declaration of i outside
2143         ifdef.
2144
2145 2006-01-11  Jeff Law  <law@redhat.com>
2146
2147         * tree-ssa-threadupdate.c (threaded_edges): New VEC to
2148         hold edge pairs.
2149         (mark_threaded_blocks, register_jump_thread): New functions.
2150         (thread_through_all_blocks): Remove unwanted argument.  No
2151         longer rely on e->aux to communicate thread target info.
2152         Call mark_threaded_blocks.  Release the threaded_blocks
2153         bitmap and threaded_edges vector when complete.
2154         * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
2155         (threaded_blocks): Remove.
2156         (tree_ssa_dominator_optimize): Remove initialization and
2157         finalization of threaded_blocks.  Simplify call to
2158         thread_through_all_blocks.
2159         (thread_across_edge): Call register_jump_thread rather than
2160         storing thread information into e->aux.
2161         (free_all_edge_infos): Simplify now that e->aux is no longer
2162         used to communicate with thread_through_all_blocks.
2163         * tree-flow.h (thread_through_all_blocks): Update prototype.
2164         (register_jump_thread): Prototype.
2165
2166 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
2167
2168         * df-core.c (df_compact_blocks, df_bb_replace): Use
2169         SET_BASIC_BLOCK instead of BASIC_BLOCK.
2170
2171 2006-01-11  Richard Guenther  <rguenther@suse.de>
2172
2173         PR tree-optimization/25734
2174         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
2175         stop propagation after successful propagation to the LHS.
2176
2177 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
2178
2179         * basic-block.h (control_flow_graph): Change the type of
2180         x_basic_block_info to VEC(basic_block,gc) *.
2181         (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
2182         basic_block_info.
2183         (SET_BASIC_BLOCK): New.
2184         * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
2185         instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
2186         * cfgbuild.c (find_basic_blocks): Likewise.
2187         * cfglayout.c (fixup_reorder_chain): Likewise.
2188         * cfgrtl.c (create_basic_block_structure,
2189         rtl_create_basic_block): Likewise.
2190         * ifcvt.c (find_if_case_1): Likewise.
2191         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
2192         Likewise.
2193
2194 2006-01-11  Kenneth Zadeck <zadeck@naturalbridge.com>
2195
2196         * Makefile.in: Removed rotted odf.c entry.
2197
2198 2006-01-11  Hans-Peter Nilsson  <hp@axis.com>
2199
2200         PR target/25706
2201         * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
2202         ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
2203         ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
2204         output pattern modifier, not %e.
2205         * config/cris/cris.c (cris_op_str): Update comment about pattern
2206         modifier.
2207         (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
2208         before falling through into...
2209         <case 'E'>: Redefined from old 'e' case.
2210
2211 2006-01-11  Jan Hubicka  <jh@suse.cz>
2212
2213         PR target/25042
2214         * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
2215
2216 2006-01-11  Jan Hubicka  <jh@suse.cz>
2217
2218         * i386.h (TARGET_DECOMPOSE_LEA): Kill.
2219         * i386.c (x86_decompose_lea): Kill.
2220         (ix86_rtx_costs): Kill.
2221
2222 2006-01-11  Jan Hubicka  <jh@suse.cz>
2223
2224         * cgraph.c (cgraph_insert_node_to_hashtable): New function.
2225         * cgraph.h (cgraph_node): Add inline_decl.
2226         (cgraph_insert_node_to_hashtable): Declare.
2227         (save_inline_function_body): Declare.
2228         * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
2229         clones.
2230         (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
2231         (cgraph_function_versioning): Update call of tree_function_versioning.
2232         (save_inline_function_body): New function.
2233         * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
2234         saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
2235         * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
2236         (cgraph_default_inline_p): Likewise.
2237         (cgraph_decide_inlining_incrementally): Likewise.
2238         * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
2239         (copy_bb): Kill saving; do updating of clones.
2240         (copy_cfg_body): Kill saving.
2241         (initialize_inlined-parameters): Likewise.
2242         (expand_call_inline): Likewise.
2243         (save_body): Kill.
2244         (tree_function_versioning): New parameter "update_clones".
2245         (inlining_p): Kill saving.
2246         * tree-inline.h (tree_function_versioning): Update prototype.
2247         * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
2248         saving.
2249
2250 2006-01-11  Ian Lance Taylor <ian@airs.com>
2251
2252         * combine.c (struct undo): Remove is_int.  Enumify types of undos.
2253         Allow undoing set of machine mode.
2254         (do_SUBST): Use enums instead of is_int.
2255         (do_SUBST_MODE): New function.
2256         (SUBST_MODE): New macro.
2257         (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
2258         reg and trying to replace reg_regno_rtx with a new register.
2259         (undo_all): Use new enums, handle undoing a PUT_MODE change.
2260         (simplify_set): Use SUBST_MODE.
2261         (distribute_notes): Remove code that tried to update reg notes
2262         for regno_reg_rtx changes.
2263
2264 2006-01-11  Paolo Bonzini  <bonzini@gnu.org>
2265
2266         PR tree-optimization/23109
2267         PR tree-optimization/23948
2268         PR tree-optimization/24123
2269
2270         * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
2271         * tree-cfg.c (single_noncomplex_succ): New.
2272         * tree-flow.h (single_noncomplex_succ): Declare it.
2273         * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2274         * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2275         (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
2276         insert_bb, register_division_in, insert_reciprocals,
2277         replace_reciprocal, free_bb): New.
2278         (execute_cse_reciprocals_1): Rewritten.
2279         (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
2280         Do not commit any edge insertion.  Always compute dominators and
2281         create the allocation pool.
2282         * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
2283         * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
2284         * targhooks.c (default_min_divistions_for_recip_mul): New.
2285         * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
2286         * passes.c (init_optimization_passes): Run recip after tree loop
2287         optimizations.
2288         * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
2289
2290 2006-01-11  Danny Berlin <dberlin@dberlin.org>
2291             Kenneth Zadeck <zadeck@naturalbridge.com>
2292
2293         * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
2294         DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
2295         DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
2296         DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
2297         DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
2298         DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
2299         DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
2300         DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
2301         DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
2302         DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
2303         DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
2304         DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
2305         DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
2306         DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
2307         DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
2308         DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
2309         DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
2310         DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
2311         DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
2312         DF_SCAN_POST_ALLOC): New macros.
2313         (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
2314         df_free_bb_function, df_local_compute_function, df_init_function,
2315         df_dataflow_function, df_confluence_function_0,
2316         df_confluence_function_n, df_transfer_function,
2317         df_finalizer_function, df_free_function, df_dump_problem_function,
2318         df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
2319         df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
2320         df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
2321         df_urec_bb_info, ) New types.
2322         (df_invalidated_by_call, df_all_hard_regs, df_state) New public
2323         variables.
2324         (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
2325         df_analyze_simple_change_some_blocks,
2326         df_analyze_simple_change_one_block, df_compact_blocks,
2327         df_bb_replace, df_bb_regno_last_use_find,
2328         df_bb_regno_first_def_find, df_bb_regno_last_def_find,
2329         df_insn_regno_def_p, df_find_def, df_find_use,
2330         df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
2331         df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
2332         df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
2333         debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
2334         debug_df_chain, df_get_dependent_problem, df_chain_create,
2335         df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
2336         df_grow_bb_info, df_chain_dump, df_print_bb_index,
2337         df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
2338         df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
2339         df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
2340         df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
2341         df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
2342         df_rescan_blocks, df_ref_create, df_get_artificial_defs,
2343         df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
2344         df_ref_remove, df_insn_refs_delete, df_refs_delete,
2345         df_reorganize_refs, df_set_state, df_hard_reg_init,
2346         df_read_modify_subreg_p) New public functions.
2347         * df-core.c: The core dataflow solver and glue routines for rtl
2348         dataflow.
2349         (df_init, df_add_problem, df_set_blocks, df_finish,
2350         df_hybrid_search_forward, df_hybrid_search_backward,
2351         df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
2352         df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
2353         df_bb_regno_last_use_find, df_bb_regno_first_def_find,
2354         df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
2355         df_reg_defined, df_find_use, df_reg_used, df_dump,
2356         df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
2357         df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
2358         debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
2359         debug_df_useno, reset_df_after_reload): New functions.
2360         * df-scan.c: The scanning fuctions, once in df.c, completely
2361         rewritten so that they now fully model the functionality of
2362         register usage at the backend.
2363         (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
2364         df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
2365         df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
2366         df_grow_insn_info, df_rescan_blocks, df_ref_create,
2367         df_get_artificial_defs, df_get_artificial_uses,
2368         df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
2369         df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
2370         df_refs_delete, df_reorganize_refs, df_set_state,
2371         df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
2372         df_def_record_1, df_defs_record, df_uses_record,
2373         df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
2374         df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
2375         df_record_exit_block_uses, df_hard_reg_init): New functions.
2376
2377         * df-problems.c: Seven concrete dataflow problems that use the
2378         scanning in df-scan.c and are solved by the engine in df-core.c.
2379         (df_get_dependent_problem, df_chain_create, df_chain_unlink,
2380         df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
2381         df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
2382         df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
2383         df_ru_free_bb_info, df_ru_alloc,
2384         df_ru_bb_local_compute_process_def,
2385         df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
2386         df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
2387         df_ru_transfer_function, df_ru_free, df_ru_dump,
2388         df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
2389         df_rd_free_bb_info, df_rd_alloc,
2390         df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
2391         df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
2392         df_rd_transfer_function, df_rd_free, df_rd_dump,
2393         df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
2394         df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
2395         df_lr_local_compute, df_lr_init, df_lr_confluence_0,
2396         df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
2397         df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
2398         df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
2399         df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
2400         df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
2401         df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
2402         df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
2403         df_urec_mark_reg_change, df_urec_check_earlyclobber,
2404         df_urec_mark_reg_use_for_earlyclobber,
2405         df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
2406         df_urec_local_compute, df_urec_init, df_urec_local_finalize,
2407         df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
2408         df_urec_dump, df_urec_add_problem, df_chain_alloc,
2409         df_chain_create_bb_process_use, df_chain_create_bb,
2410         df_chain_finalize, df_chain_free, df_chains_dump,
2411         df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
2412         df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
2413         df_reg_lifetime): New functions.
2414         * df.c: Deleted file.
2415         * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
2416         consistent with new df api.
2417         * modulo-sched.c (sms_schedule, rest_of_handle_sms,
2418         rest_of_handle_sms): Ditto.
2419         * web.c (unionfind_union, union_defs, entry_register, web_main):
2420         Ditto.
2421         * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
2422         invariant_expr_equal_p, find_defs, check_dependencies,
2423         find_invariant_insn, find_invariants_to_move, move_invariant_reg,
2424         free_inv_motion_data, move_loop_invariants): Ditto.
2425         * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
2426         Update dependencies.
2427         (odf.c): Added defective entry that was deleted later in day.
2428         * sched-deps.c (sched_analyze_1): Ditto.
2429
2430 2006-01-11  Zdenek Dvorak <dvorakz@suse.cz>
2431
2432         * tree-ssa-operands.c (get_expr_operands): Record addressable
2433         variables directly.  Do not call add_stmt_operands for CONST_DECLs
2434         and ARRAY_DECLs.
2435         (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
2436         (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
2437
2438 2006-01-11  Ben Elliston  <bje@au.ibm.com>
2439
2440         * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
2441         function returns true in the positive case.
2442
2443 2006-01-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2444
2445         PR target/20754
2446         * config/pa/pa.md: Create separate 32 and 64-bit move patterns
2447         for SI, DI, SF and DF modes.  Add alternatives to copy between
2448         general and floating point registers to the 32-bit patterns.
2449         * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
2450         * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
2451         (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
2452         generating 64-bit code.
2453         * config/pa/pa.c (output_move_double): Handle copies between general
2454         and floating registers.
2455
2456 2006-01-10  Stuart Hastings  <stuart@apple.com>
2457
2458         * config/i386/i386.md (set_got): Update.
2459         (set_got_labelled): New.  (UNSPEC_LD_MPIC): New.
2460         (builtin_setjmp_receiver): Mach-O support.
2461         * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
2462         (GOT_SYMBOL_NAME): Define.
2463         (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
2464         (TARGET_DEEP_BRANCH_PREDICTION): Remove.
2465         * config/i386/i386.c (override_options): Revise for Darwin.
2466         (USE_HIDDEN_LINKONCE): Enable for Mach-O.  (ix86_file_end): Mach-O
2467         support.  (darwin_x86_file_end): New.  (output_set_got): Add label
2468         parameter, revise for Mach-O.  (x86_output_mi_thunk): Likewise.
2469         * config/i386/i386-protos.h (output_set_got): Likewise.
2470         * config/darwin.c (machopic_legitimize_pic_address): Update
2471         regs_ever_live[].
2472
2473 2006-01-10  Kaz Kojima  <kkojima@gcc.gnu.org>
2474
2475         * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
2476         when MODE isn't BLKmode.
2477
2478 2006-01-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
2479
2480         PR rtl-optimization/25367
2481         * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
2482
2483 2006-01-10  Hans-Peter Nilsson  <hp@axis.com>
2484
2485         PR target/25718
2486         * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
2487         for a negative bound.
2488
2489 2006-01-10  Richard Guenther  <rguenther@suse.de>
2490
2491         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2492         Never override with anything constraint.
2493
2494 2006-01-10  Jan Beulich  <jbeulich@novell.com>
2495
2496         * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
2497         256 bits when optimize_size.
2498
2499 2006-01-10  Jan Beulich  <jbeulich@novell.com>
2500
2501         * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
2502         MASK_ALIGN_DOUBLE.
2503         * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
2504         * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
2505         arguments.
2506
2507 2006-01-10  Ben Elliston  <bje@au.ibm.com>
2508
2509         * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
2510         float modes.
2511         * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
2512         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2513         (USE_FP_FOR_ARG): Reject decimal float modes.
2514         (function_arg_advance): Likewise.
2515         (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
2516         (rs6000_handle_altivec_attribute): Do not permit decimal floating
2517         point types in AltiVec vectors.
2518         (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
2519         (rs6000_libcall_value): Likewise.
2520
2521 2006-01-09  Bob Wilson  <bob.wilson@acm.org>
2522
2523         * config/xtensa/ieee754-df.S: New file.
2524         * config/xtensa/ieee754-sf.S: New file.
2525         * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
2526         (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
2527         * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
2528
2529 2006-01-09  Kazu Hirata  <kazu@codesourcery.com>
2530
2531         * config/sh/predicates.md (binary_float_operator,
2532         binary_logical_operator, commutative_float_operator,
2533         equality_comparison_operator, greater_comparison_operator,
2534         less_comparison_operator, logical_operator,
2535         noncommutative_float_operator, shift_operator,
2536         symbol_ref_operand, unary_float_operator): Remove redundant
2537         conditionals.
2538
2539 2006-01-09  Jeff Law  <law@redhat.com>
2540
2541         * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
2542         code to propagate the RHS of a cast into COND_EXPR_COND.  Remove
2543         now unused arguments.  Callers updated.
2544         (eliminate_redundant_computations): Remove now unused arguments,
2545         callers updated.
2546         (local_fold): Remove, no longer used.
2547         (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
2548         and moved to...
2549         * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
2550         (simplify_cond): New function.
2551         (forward_propagate_into_cond): Call simplify_cond.
2552
2553 2006-01-09  Alexandre Oliva  <aoliva@redhat.com>
2554
2555         * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
2556         (*vec_extractv2di_1_sse): New.
2557
2558 2006-01-09  Ben Elliston  <bje@au.ibm.com>
2559
2560         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
2561
2562 2006-01-08  Richard Guenther  <rguenther@suse.de>
2563
2564         * tree-ssa-structalias.c (get_constraint_for): Remove
2565         anyoffset argument.
2566         (get_constraint_for_component_ref): Likewise.
2567         (do_deref): Likewise.
2568         (get_constraint_for): Likewise.
2569         (do_structure_copy): Likewise.
2570         (handle_ptr_arith): Likewise.
2571         (find_func_aliases): Likewise.  Remove unused need_anyoffset
2572         variable.
2573
2574 2006-01-08  J"orn Rennecke  <joern.rennecke@st.com>
2575             Kaz Kojima  <kkojima@gcc.gnu.org>
2576
2577         * config/sh/sh.h (CONST_OK_FOR_K16): Define.
2578         (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
2579         (EXTRA_CONSTRAINT_C16): Remove.
2580         (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
2581         (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
2582         EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
2583         * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
2584         constants of SHmedia.  Handle nested constant expressions of
2585         SHmedia correctly.
2586         (andcosts): Fix the costs for SHmedia constants.
2587         (sh_rtx_costs): Take account of outer_code for SHmedia constants.
2588         * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
2589         (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
2590         (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
2591         (movv4hi_i, movv2si_i): Likewise.
2592         (movsi_const): Adjust the second operand of ior so to match with
2593         the Csu constraint.
2594         (movdi_const, movdi_const_32bit): Likewise.
2595         (movdi_const_16bit+1): Don't sign-extend LOW.
2596         (movdi_const_16bit+2): Likewise.  Remove the zero_extend and truncate
2597         step.
2598         (*double_shori): Fix the split condition.  Use GEN_INT instead
2599         of get_int_mode calls.  Mask lower 16-bit of the argument of
2600         the last GEN_INT.
2601         (sym2GOTPLT): Remove.
2602         (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
2603         gen_rtx_UNSPEC.
2604         * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
2605         instead of EXTRA_CONSTRAINT_C16.
2606
2607 2006-01-07  Ian Lance Taylor  <ian@airs.com>
2608             David Edelsohn  <edelsohn@gnu.org>
2609
2610         PR rtl-optimization/25662
2611         * optabs.c (simplify_expand_binop): Use simplify_binary_operation
2612         for constant operands instead of simplify_gen_binary.
2613         * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
2614         after trying simplify_binary_operation
2615
2616 2006-01-06  Daniel Berlin  <dberlin@dberlin.org>
2617
2618         * tree.c (iterative_hash_expr): Hash decls based on UID.
2619
2620 2006-01-06  Eric Christopher  <echristo@apple.com>
2621
2622         * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
2623         (TARGET_UNWIND_EMIT): Fix spelling.
2624         * target.h (gcc_target): Add except_table_label.
2625         * except.c (output_function_exception_table): Use.
2626         * varasm.c (default_emit_except_table_label): New.
2627         * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
2628         define.
2629         (asm_out): Add here.
2630         * output.h (default_emit_except_table_label): Prototype.
2631         * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
2632         * config/darwin.c (darwin_emit_except_table_label): Define.
2633         * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
2634
2635 2006-01-06  Zdenek Dvorak <dvorakz@suse.cz>
2636
2637         PR tree-optimization/18527
2638         * tree-ssa-loop-niter.c (number_of_iterations_cond,
2639         number_of_iterations_special, number_of_iterations_exit):
2640         Move base and step of an iv to a single structure.  Add
2641         no_overflow flag, and use it in # of iterations analysis.
2642         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
2643         folded_casts argument.
2644         (simple_iv): Pass base and step in a structure.  Set no_overflow
2645         flag.
2646         (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
2647         Evaluate expensiveness of computing # of iterations instead of
2648         the final expression.
2649         * tree-scalar-evolution.h (affine_iv): New structure.
2650         (simple_iv): Declaration changed.
2651         * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
2652         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
2653         find_givs_in_stmt): Changed due to simple_iv change.
2654
2655 2006-01-06  Jeff Law  <law@redhat.com>
2656
2657         PR ada/24994
2658         * tree-cfg.c (bsi_replace): Rename final argument from
2659         PRESERVE_EH_INFO to UPDATE_EH_INFO.  Fix typo in last
2660         change (stmt -> orig_stmt).
2661         * tree-eh.c (verify_eh_throw_stmt_node): New function.
2662         (bsi_remove): Add new argument.  Remove EH information
2663         if requested.
2664         (verify_eh_throw_table_statements): New function.
2665         (bsi_remove): Add new argument REMOVE_EH_INFO.  All callers
2666         updated.
2667         * tree-optimize.c (execute_free_cfg_annotations): Verify
2668         the EH throw statement table after removing annotations.
2669         * except.h (verify_eh_throw_table_statements): Prototype.
2670         * tree-flow.h (bsi_remove): Update prototype.
2671         * tree-vrp.c (remove_range_assertions): Add new argument to
2672         bsi_remove call.
2673         * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
2674         * tree-complex.c (expand_complex_div_wide): Likewise.
2675         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
2676         * tree-tailcall.c (eliminate_tailcall): Likewise.
2677         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
2678         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
2679         * tree-nrv.c (tree_nrv): Likewise.
2680         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
2681         * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
2682         (combine_blocks): Likewise.
2683         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
2684         * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
2685         (cleanup_control_flow): Likewise.
2686         (remove_forwarder_block): Likewise.
2687         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
2688         * tree-sra.c (sra_replace): Likewise.
2689         * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
2690         (forward_propagate_single_use_vars): Likewise.
2691         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
2692         * tree-inline.c (expand_call_inline): Likewise.
2693         * tree-vect-transform.c (vect_transform_loop): Likewise.
2694         * tree-outof-ssa.c (rewrite_trees): Likewise.
2695         * tree-cfg.c (make_goto_expr_edges): Likewise.
2696         (cleanup_dead_labels): Likewise.
2697         (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
2698         (bsi_move_before, bsi_move_after): Likewise.
2699         (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
2700         (tree_redirect_edge_and_branch, tree_split_block): Likewise.
2701
2702 2006-01-06  Andrew Pinski  <pinskia@physics.uc.edu>
2703
2704         PR tree-opt/25528
2705         * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
2706         and IMAGPART_EXPR.
2707         * tree-flow-inline.h (var_can_have_subvars): Handle complex types
2708         on non gimple variables.  Also add checks at the top for decls and
2709         mtags.
2710         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
2711         complex types.
2712         * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
2713         and IMAGPART_EXPR for creating MUST_DEFs.
2714         (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
2715         and NAME_MEMORY_TAG separately from the DECLs.
2716
2717 2006-01-06  Richard Guenther  <rguenther@suse.de>
2718
2719         * tree-dfa.c (mark_new_vars_to_rename): Create stmt
2720         annotation, if necessary.
2721         * tree-ssa-pre.c (create_expression_by_pieces): Remove
2722         redundant calls to update_stmt.
2723         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
2724         Likewise.
2725
2726 2006-01-05  Richard Henderson  <rth@redhat.com>
2727
2728         * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
2729
2730 2006-01-05  Carlos O'Donell  <carlos@codesourcery.com>
2731
2732         * c-typeck.c: Update copyright date.
2733
2734 2006-01-05  Carlos O'Donell  <carlos@codesourcery.com>
2735
2736         * c-typeck.c (build_c_cast): Always warn when casting
2737         from a pointer to an integer of different size, even if
2738         the node was constant.
2739
2740 2006-01-05  Richard Guenther  <rguenther@suse.de>
2741
2742         PR tree-optimization/22555
2743         * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
2744         if one structure field is an array.
2745         * tree-ssa-operands.c (get_expr_operands): Continue scanning
2746         operands even if we found a subvar, but ignore VOPs in this
2747         case.
2748         * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
2749         for renaming.
2750         * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
2751
2752 2006-01-05  Richard Earnshaw  <rearnsha@arm.com>
2753
2754         PR middle-end/24998
2755         * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
2756
2757 2006-01-05  Richard Guenther  <rguenther@suse.de>
2758             Diego Novillo  <dnovillo@redhat.com>
2759
2760         * tree-pass.h (TODO_remove_unused_locals): Define.
2761         * gimple-low.c (expand_var_p, remove_useless_vars,
2762         pass_remove_useless_vars): Remove.  Update all users.
2763         * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
2764         (remove_unused_locals): New function.
2765         * tree-flow.h (remove_unused_locals): Declare.
2766         * passes.c (execute_todo): Call remove_unused_locals if
2767         TODO_remove_unused_locals is set.
2768         * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
2769         * tree-ssa-dce.c (pass_dce): Likewise.
2770         * tree-outof-ssa.c (pass_del_ssa): Likewise.
2771
2772 2006-01-05  Richard Guenther  <rguenther@suse.de>
2773
2774         * tree-flow.h (struct fieldoff): Decompose field to
2775         type, size and decl.
2776         * tree-ssa-alias.c (create_sft): Take type as parameter.
2777         (create_overlap_variables_for): Store type, size and decl
2778         in the fieldoff structure.
2779         * tree-ssa-structalias.c (fieldoff_compare): Adjust users
2780         of struct fieldoff.
2781         (push_fields_onto_fieldstack): Likewise.
2782         (create_variable_info_for): Likewise.  Use offset for the
2783         SFT name if the decl is not available.
2784
2785 2006-01-04  Paul Brook  <paul@codesourcery.com>
2786
2787         * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
2788
2789 2006-01-04  Daniel Berlin  <dberlin@dberlin.org>
2790
2791         * lambda-code.c (can_put_in_inner_loop): Relax
2792         restrictions.
2793         (can_put_after_inner_loop): New function.
2794         (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
2795         (perfect_nestify): Change to make copies and modify uses.
2796
2797 2006-01-04  Richard Henderson  <rth@redhat.com>
2798
2799         Merge from gomp branch:
2800         * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
2801         via integer constant.
2802         (pragma_lex): Remove.
2803         * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
2804         rather than parsing it.
2805         * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
2806         handle_pragma_extern_prefix): Add %< %> quotes.
2807         (registered_pragmas): New.
2808         (c_register_pragma_1): New.
2809         (c_register_pragma): Use it.
2810         (c_register_pragma_with_expansion): Likewise.
2811         (c_invoke_pragma_handler): New.
2812         (init_pragma): Use cpp_register_deferred_pragma directly for
2813         pch_preprocess.
2814         * c-pragma.h (enum pragma_kind): New.
2815         (pragma_handler): New.
2816         (c_invoke_pragma_handler): Declare.
2817         * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
2818         CPP_PRAGMA_EOL.
2819         * c-common.h (c_common_pch_pragma): Update decl.
2820         * Makefile.in (c-parser.o): Update dependencies.
2821         (GTFILES): Add c-pragma.h.
2822         * c-parser.c (struct c_token): Add pragma_kind.
2823         (struct c_parser): Add in_pragma.
2824         (c_lex_one_token): Always initialize keyword and pragma_kind.
2825         Extract data for CPP_PRAGMA.
2826         (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
2827         (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
2828         Don't allow CPP_PRAGMA_EOL if in_pragma.
2829         (c_parser_consume_pragma): New.
2830         (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
2831         (c_parser_skip_to_end_of_parameter): Likewise.
2832         (c_parser_skip_to_end_of_block_or_statement): Likewise.
2833         (c_parser_skip_to_pragma_eol): New.
2834         (c_parser_external_declaration): Handle CPP_PRAGMA.
2835         (c_parser_compound_statement_nostart): Likewise.
2836         (c_parser_statement_after_labels): Likewise.
2837         (c_parser_pragma): New.
2838         (pragma_lex): Likewise.
2839         (c_parser_pragma_pch_preprocess): New.
2840         (c_parser_new): Merge into ...
2841         (c_parse_file): ... here.  Call c_parser_pragma_pch_preprocess.
2842
2843 2006-01-04  Jeff Law  <law@redhat.com>
2844
2845         PR ada/24994
2846         * tree-cfg.c (bsi_replace): Remove the original statement
2847         from the EH throw statement table.
2848
2849 2006-01-04  Jakub Jelinek  <jakub@redhat.com>
2850
2851         * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
2852         make the prototype extern "C" and add throw ().
2853
2854         PR target/25554
2855         * config/i386/i386.md (testqi_ext_3): Ensure len is positive
2856         and pos non-negative and pos + len <= 32.
2857         (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
2858         drop pos + len < HOST_BITS_PER_WIDE_INT test.
2859         (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
2860
2861         PR c/25559
2862         * c-common.c (handle_vector_size_attribute): Reject zero vector size
2863         as well as sizes not multiple of component size.
2864
2865         PR debug/25562
2866         * function.c (instantiate_expr): New function.
2867         (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
2868         walk its DECL_VALUE_EXPR with instantiate_expr.
2869
2870         * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
2871         DW_OP_deref{,_size} if address isn't going to be added.
2872
2873 2006-01-04  Ben Elliston  <bje@au.ibm.com>
2874
2875         * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
2876         * config/fp-bit.c: Likewise.
2877
2878 2006-01-03  Daniel Berlin  <dberlin@dberlin.org>
2879
2880         * dominance.c: Add comment about why we use DFS numbering
2881         of dominance tree.
2882
2883 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
2884             Richard Henderson  <rth@redhat.com>
2885
2886         Merge from gomp-branch:
2887         * varasm.c (assemble_variable): Handle thread-local COMMON data.
2888         * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
2889
2890 2006-01-03  Paolo Bonzini  <bonzini@gnu.org>
2891
2892         PR rtl-optimization/25578
2893         * combine.c (combine_simplify_rtx, force_to_mode): Don't
2894         pass a parameter to simplify_shift_const if changing ASHIFTRT
2895         to LSHIFTRT.
2896
2897 2006-01-03  Adrian Straetling  <straetling@de.ibm.com>
2898
2899         * builtins.c (get_builtin_sync_mem): New function.
2900         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
2901         expand_builtin_lock_test_and_set, expand_builtin_lock_release):
2902         Call get_builtin_sync_mem to generate mem rtx.
2903
2904 2006-01-03  Richard Guenther  <rguenther@suse.de>
2905
2906         PR c/25183
2907         * stmt.c (add_case_node): Make sure to clear overflow flags
2908         from ranges.
2909
2910 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
2911
2912         Merge from gomp-branch.
2913         * config/sparc/sync.md: New file.
2914         * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
2915         UNSPECV_LDSTUB): New constants.
2916         * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
2917         * config/sparc/predicates.md (memory_reg_operand): New predicate.
2918         * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
2919         prototype.
2920
2921 2006-01-03  Roger Sayle  <roger@eyesopen.com>
2922
2923         * combine.c (reg_subword_p): New predicate to test whether the
2924         destination of a set refers to a subword/piece of a register.
2925         (try_combine): Generalize the code to merge the setting of a
2926         pseudo to a constant followed by a set of a subword of that
2927         register to a constant.
2928
2929 2006-01-03  Kazu Hirata  <kazu@codesourcery.com>
2930
2931         * basic-block.h (control_flow_graph): Change the type of
2932         x_label_to_block_map to VEC(basic_block,gc) *.
2933         * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
2934         set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
2935
2936         * tree-ssa-propagate.c (cfg_blocks): Change the type to
2937         VEC(basic_block,heap) *.
2938         (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
2939         ssa_prop_fini): Adjust the uses of cfg_blocks.
2940
2941 2006-01-03  Steven Bosscher  <stevenb.gcc@gmail.com>
2942
2943         * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
2944         COMPONENT_REFs.
2945         * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
2946         hashing trees instead of a pointer hash.
2947         (mem_attrs_htab_eq): Do a deep compare instead of a pointer
2948         compare for MEM_EXPR.
2949
2950         PR rtl-optimization/25130
2951         * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
2952         when comparing MEMs for GCSE
2953
2954 2006-01-03  Ben Elliston  <bje@au.ibm.com>
2955
2956         * targhooks.h (default_decimal_float_supported_p): Declare.
2957         * targhooks.c (default_decimal_float_supported_p): Define.
2958         * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
2959         `default_decimal_float_supported_p'.
2960         * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
2961
2962 2006-01-02  Adam Nemet  <anemet@caviumnetworks.com>
2963
2964         * combine.c (apply_distributive_law <SUBREG>): Check
2965         TRULY_NOOP_TRUNCATION.
2966
2967 2006-01-02  Geoffrey Keating  <geoffk@apple.com>
2968
2969         * dwarf2out.c (have_switched_text_section): Delete.
2970         (have_multiple_function_sections): New.
2971         (have_location_lists): Make 'bool'.
2972         (add_AT_loc_list): Use 'true' not '1'.
2973         (dwarf2out_switch_text_section): Set have_multiple_function_sections.
2974         (output_loc_list): Use have_multiple_function_sections.
2975         (output_ranges): Likewise.
2976         (dwarf2out_begin_function): Set have_multiple_function_sections if
2977         necessary.
2978         (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
2979         Check function_section rather than DECL_SECTION_NAME.
2980         (dwarf2out_finish): Use have_multiple_function_sections.
2981         Don't clear have_location_lists.
2982
2983 2006-01-02  Eric Botcazou  <ebotcazou@adacore.com>
2984             Jan Hubicka  <jh@suse.cz>
2985
2986         * cfglayout.c (fixup_reorder_chain): Remove kludge for the
2987         case of conditional jump jumping to the next instruction.
2988         * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
2989         cases of conditional jump jumping to the next instruction.
2990
2991 2006-01-02  Jan Hubicka  <jh@suse.cz>
2992
2993         * i386.c (*_cost): Add COSTS_N_INSNS.
2994         (ix86_rtx_costs): Do not use COSTS_N_INSNS.
2995
2996 2006-01-02  Paolo Bonzini  <bonzini@gnu.org>
2997
2998         PR target/25259
2999         * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
3000
3001 2006-01-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3002
3003         * config/arm/arm.c (all_fpus): Fix comment typo.
3004         * config/darwin.c: Likewise.
3005         * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
3006         * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
3007         * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
3008
3009 2006-01-01  David Edelsohn  <edelsohn@gnu.org>
3010
3011         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
3012         (rs6000_split_compare_and_swapqhi): New.
3013         * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
3014         (sync_compare_and_swapqhi_internal): New.
3015         * config/rs6000/rs6000-protos.h: Declare.