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2006-01-26 Richard Guenther <rguenther@suse.de>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2006-01-26  Richard Guenther  <rguenther@suse.de>
2             Andrew Pinski  <pinskia@physics.uc.edu>
3
4         PR tree-opt/21470
5         partial PR tree-opt/17064
6         * tree-ssa-structalias.c (intra_create_variable_infos):
7         Create heap variables for incoming parameters if
8         flag_argument_noalias > 1.
9         (find_what_p_points_to): Look through default defs of
10         parameter decls.
11
12 2006-01-26  Jeff Law  <law@redhat.com>
13
14         PR ada/25900
15         * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
16         with a VR_ANTI_RANGE and the VR_ANTI_RANGEis completely contained
17         within the VR_RANGE, use the VR_RANGE as the result, not the
18         VR_ANTI_RANGE.
19         (adjust_range_with_scev): Reject ranges from SCEV which are out
20         of bounds for the type.
21
22 2005-01-26  Daniel Berlin  <dberlin@dberlin.org>
23
24         * tree-ssa-alias.c (maybe_create_global_var): Change
25         subvar walking to an assertion that we don't have subvar'd variables.
26
27 2006-01-26  Andrew Pinski  <pinskia@physics.uc.edu>
28
29         PR C/25861
30         * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
31         Use a new variable, inner.  PARM_DECLs are always non-weak.
32
33 2006-01-26  Shantonu Sen  <ssen@opendarwin.org>
34
35         * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
36         --disable-checking.
37
38 2006-01-26  Adam Nemet  <anemet@caviumnetworks.com>
39
40         * config/mips/mips.md (*clear_upper32): New combiner pattern.
41
42 2006-01-26  Richard Earnshaw  <richard.earnshaw@arm.com>
43
44         * arm.md (smaxsi3, sminsi3): Convert to define_expand.
45         (smax_insn, smin_insn, smax_0, smin_0): New.
46
47 2006-01-26  Hans-Peter Nilsson  <hp@axis.com>
48
49         PR target/25947
50         * config/cris/cris.c (cris_order_for_addsi3): New function.
51         * config/cris/cris-protos.h: Prototype it.
52         * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
53         (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
54         (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
55         (split for "op.S1 [rx=rx+i],ry (swapped)")
56         (split for "op(s|u).S1 [rx=rx+i],ry")
57         (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
58         Apply cris_order_for_addsi3 when generating addsi3 insns.
59
60 2006-01-25  Diego Novillo  <dnovillo@redhat.com>
61
62         * tree.h (TREE_RANGE_CHECK): Fix range predicate.
63         (TREE_BLOCK): Add call to EXPR_CHECK.
64
65 2006-01-25  Diego Novillo  <dnovillo@redhat.com>
66
67         PR 25886
68         * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
69         * tree-pretty-print.c (dump_omp_clause): Extract from ...
70         (dump_omp_clauses): ... here.
71         (dump_generic_node): Handle OMP_CLAUSE.
72         * tree.c (omp_clause_num_ops): New.
73         (omp_clause_code_name): New.
74         (tree_code_size): Handle OMP_CLAUSE.
75         (tree_size): Likewise.
76         (make_node): Document handling of OMP_CLAUSE.
77         (tree_node_structure): Handle OMP_CLAUSE.
78         (omp_clause_check_failed): New.
79         (omp_clause_range_check_failed): New.
80         (omp_clause_operand_check_failed): New.
81         (build_omp_clause): New.
82         (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
83         * tree.h (enum omp_clause_code): Declare.
84         (OMP_CLAUSE_SUBCODE_CHECK): Define.
85         (OMP_CLAUSE_RANGE_CHECK): Define.
86         (OMP_CLAUSE_ELT_CHECK): Define.
87         (omp_clause_check_failed): Declare.
88         (omp_clause_operand_check_failed): Declare.
89         (omp_clause_range_check_failed): Declare.
90         (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
91         (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
92         (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
93         (OMP_CLAUSE_LASTPRIVATE): Likewise.
94         (OMP_CLAUSE_IF_EXPR): Likewise.
95         (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
96         (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
97         (OMP_CLAUSE_REDUCTION_CODE): Likewise.
98         (OMP_CLAUSE_REDUCTION_INIT): Likewise.
99         (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
100         (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
101         Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
102         (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
103         (OMP_CLAUSE_DEFAULT_KIND): Likewise.
104         (OMP_CLAUSE_CODE): Define.
105         (OMP_CLAUSE_SET_CODE): Define.
106         (OMP_CLAUSE_CODE): Define.
107         (OMP_CLAUSE_OPERAND): Define.
108         (struct tree_omp_clause): Declare.
109         (union tree_node): Add field 'omp_clause'.
110         * treestruct.def (TS_OMP_CLAUSE): Define.
111         * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
112         OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
113         OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
114         OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
115         OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
116         OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
117         (OMP_CLAUSE): Define.
118         * print-tree.c (print_node): Handle OMP_CLAUSE.
119         * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
120         * c-typeck.c: Likewise.
121         * gimplify.c: Likewise.
122         * c-omp.c: Likewise.
123         * tree-nested.c: Likewise.
124         * tree-inline.c: Likewise.
125         * c-parser.c: Likewise.
126         * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
127         clauses.
128
129 2006-01-25  Roger Sayle  <roger@eyesopen.com>
130
131         PR rtl-optimization/25703
132         * combine.c (try_combine): Handle zero_extract and strict_low_part
133         of non-lowpart SUBREGs for constant reg_subword_p set optimization.
134
135 2006-01-25  Peter Bergner  <bergner@vnet.ibm.com>
136
137         * global.c: Fix comment typos.
138
139 2006-01-25  Andrew Pinski  <pinskia@physics.uc.edu>
140
141         PR target/25758
142         * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
143         Use output_addr_const instead of assemble_name.
144
145 2006-01-25  Paolo Bonzini  <bonzini@gnu.org>
146
147         * Makefile.in (sched-vis.o): Update dependencies.
148         * haifa-sched.c (sched_finish): Clear current_sched_info.
149         * cfg.c (dump_bb_info): New, split from dump_flow_info.
150         (dump_flow_info): Call it.
151         * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
152         a slim RTL dump.
153         * basic-block.h (dump_bb_info): Declare.
154         * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
155         option, and apply options only for dump files whose TDF_RTL,
156         TDF_TREE, or TDF_IPA bits match.
157         * rtl.h: Declare new functions exported from sched-vis.c.
158         * sched-vis.c: Enable also if scheduling is not used.
159         (print_value): Print the mode of registers if not inside scheduling.
160         (print_insn): Make it work outside the scheduler.  Beautify the output
161         a bit.
162         (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
163
164 2006-01-25  Richard Sandiford  <richard@codesourcery.com>
165
166         * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
167         * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
168         a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
169         depending on the value of CONSTANT_POOL_ADDRESS_P.
170         * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
171         SYMBOL_REF_DECL.
172         * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
173         rather than SYMBOL_REF_DECL.
174         (rtx_constant_pool): Remove const_rtx_sym_htab.
175         (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
176         (init_varasm_status): Don't initialize const_rtx_sym_htab.
177         (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
178         Remove handling of const_rtx_sym_htab.
179         (find_pool_constant): Delete.
180         (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
181         rather than find_pool_constant.
182         (get_pool_constant_for_function): Delete.
183         (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
184         find_pool_constant. 
185         * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
186         (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
187         (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
188         (SYMBOL_REF_CONSTANT): New macro.
189         (get_pool_constant_for_function): Delete.
190         * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
191         rather than SYMBOL_REF_DECL.
192         (i386_pe_mark_dllimport): Likewise.
193         * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
194         rather than SYMBOL_REF_DECL.
195         * config/darwin.c (machopic_indirect_data_reference): Likewise.
196         (machopic_indirect_call_target): Likewise.
197
198 2006-01-25  Eric Botcazou  <ebotcazou@adacore.com>
199
200         * flow.c (delete_noop_moves): Add missing EOL to dump message.
201
202 2006-01-25  Richard Sandiford  <richard@codesourcery.com>
203
204         * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
205
206 2006-01-25  Kaz Kojima  <kkojima@gcc.gnu.org>
207
208         * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
209
210 2006-01-24  David Daney  <ddaney@avtrex.com>
211
212         PR java/25816
213         * configure.ac (enable_tls): New enable option.
214         (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
215         * configure: Regenerate.
216         * doc/install.texi (--enable-tls): Document new option.
217         (--disable-tls): Ditto.
218
219 2006-01-24  Richard Henderson  <rth@redehat.com>
220
221         * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
222         * alias.c (true_dependence): Respect it.
223         (canon_true_dependence, write_dependence_p): Likewise.
224         * builtins.c (get_builtin_sync_mem): Set it.
225
226 2006-01-25  Zdenek Dvorak <dvorakz@suse.cz>
227
228         * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
229         efficient way.
230
231 2006-01-24  DJ Delorie  <dj@redhat.com>
232
233         * expmed.c (store_bit_field): Don't arbitrarily deny using insv
234         for storing constants in single-bit bitfields.
235
236 2006-01-25  Ben Elliston  <bje@au.ibm.com>
237
238         * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
239
240 2006-01-24  Andrew Pinski  <pinskia@physics.uc.edu>
241
242         PR tree-opt/25860
243         * tree-ssa-pre.c (phi_translate): Return NULL
244         for AGGREGATE_TYPE's.
245
246 2006-01-24  Zack Weinberg  <zackw@panix.com>
247
248         * genautomata.c (process_state_for_insn_equiv_partition):
249         Use xcalloc for insn_arcs_array.
250         * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
251         (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
252
253 2006-01-24  Richard Henderson  <rth@redhat.com>
254
255         * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
256         update all callers.
257
258 2006-01-23  Paolo Bonzini  <bonzini@gnu.org>
259
260         PR rtl-optimization/25890
261         PR rtl-optimization/25905
262         * combine.c (expand_compound_operation, expand_field_assignment):
263         Fail if the bitfield's final position is out of bounds.
264
265 2006-01-24  Ian Lance Taylor  <ian@airs.com>
266
267         PR middle-end/25930
268         * cgraphunit.c (cgraph_output_in_order): Don't clear
269         cgraph_asm_nodes until after asm strings have been output.
270
271 2006-01-23  Adam Nemet  <anemet@caviumnetworks.com>
272
273         * fix-header.c (read_scan_file): Add new parameter imultilib when
274         calling register_include_chains.
275
276 2006-01-23  Diego Novillo  <dnovillo@redhat.com>
277
278         * omp-low.c: Update documentation.
279
280 2006-01-23  Andrew Pinski  <pinskia@physics.uc.edu>
281             Daniel Berlin  <dberlin@dberlin.org>
282
283         PR tree-opt/25315
284         PR tree-opt/25857
285         * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal 
286         return from the function.
287
288 2006-01-22  Zack Weinberg  <zackw@panix.com>
289
290         * rtl.def (match_code): Add second argument.
291         * genpreds.c (write_extract_subexp): New function.
292         (write_match_code): Add path argument.  Use write_extract_subexp.
293         (write_predicate_expr): Pass path to write_match_code.
294         (mark_mode_tests): MATCH_CODE applied to a subexpression does
295         not perform a mode test.
296         * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
297         a subexpression does not constrain the top-level code set.
298         * read-rtl.c (read_rtx_variadic): New function.
299         (read_rtx_1): Use it; allow AND and IOR to be variadic.
300         * doc/md.texi: Document new notation.
301         * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
302         (cmpsi_operand): ... here, using new notation.
303
304 2006-01-22  Zack Weinberg  <zackw@panix.com>
305
306         * varray.c: Remove GENERATOR_FILE #ifdefs.
307
308 2006-01-22  Zack Weinberg  <zackw@panix.com>
309
310         * genautomata.c (output_reserved_units_table): Emit nothing if
311         description->query_units_num is zero.  Remove extra blank line.
312         (output_cpu_unit_reservation_p): Short circuit
313         if description->query_units_num is zero.
314
315 2006-01-22  Zack Weinberg  <zackw@panix.com>
316
317         * genattrtab.c: Don't include genattrtab.h.  Define ATTR_NONE
318         and ATTR_SPECIAL (from genattrtab.h).  Don't define num_dfa_decls
319         nor any of the random handful of variables that used to be necessary
320         when this program was linked with rtlanal.o.  Prune set of forward
321         function declarations.
322         (struct attr_desc): Remove static_p field.
323         (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
324         (check_attr_test, make_internal_attr, make_numeric_value): Make static.
325         (attr_string): Do not read the character one past the length of
326         the string.
327         (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
328         (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
329         (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
330         (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
331         (make_automaton_attrs): New.
332         (main): Do not call into genautomata.  Call local gen_bypass
333         and gen_insn_reserv as appropriate.  Call make_automaton_attrs.
334         Remove special case for insn_alts.
335         * genautomata.c: Include gensupport.h; not genattrtab.h nor
336         varray.h (leftover from previous change).  Prune set of forward
337         function declarations.  Remove state_alts fields from all
338         structures.  Remove state_alts_table from struct automaton.
339         Make everything except main static.  Do not maintain num_dfa_decls.
340         Do not maintain state_alts fields of various structures.
341         (process_decls): Don't validate condexp for dm_insn_reserv decls.
342         (add_arc): Remove state_alts argument.  All callers updated.
343         (output_reserved_units_table): Emit #ifdef here...
344         (output_tables): ...not here.  Don't generate state_alts tables.
345         (expand_automata): Don't generate attributes.
346         (write_automata): Don't generate state_alts functions.
347         (main): New function.
348         (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
349         (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
350         (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
351         (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
352         (BYPASS_P_FUNC_NAME, output_state_alts_table)
353         (output_automata_list_state_alts_code, output_internal_state_alts_func)
354         (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
355         (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
356         Delete.
357         * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
358         * genattrtab.h: Delete file.
359         * Makefile.in (OBJS-common): Add insn-automata.o.
360         (insn-automata.o): New rule.
361         (simple_generated_c): Add insn-automata.c.
362         (build/genattrtab.o, build/genautomata.o): Update dependencies.
363         (genprogmd): Add automata.
364         (build/genattrtab): Needs no extra objects nor libraries.
365         (build/genautomata): Needs build/vec.o and -lm.
366
367 2006-01-22  Zack Weinberg  <zackw@panix.com>
368
369         * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
370         (output_dfa_max_issue_rate, locked_states_num): Delete.
371         (struct automaton): Add locked_states field.
372         (output_dead_lock_vect): Save number of locked states in
373         automaton->locked_states.  If it is zero, don't print anything.
374         (output_max_insn_queue_index_def): Define max_insn_queue_index const.
375         (output_internal_dead_lock_func): Only test the dead_lock_vect
376         for automata that have locked states.
377         (output_statistics): Always print the number of locked states for
378         each automaton.  Calculate total number of locked states here.
379         (write_automata): Don't call output_dfa_max_issue_rate.
380         * genattrtab.c: Define length_unit_log as a const variable.
381         * genattr.c: Don't emit MAX_DFA_ISSUE_RATE.  Declare
382         max_insn_queue_index const.
383         * final.c (length_unit_log): Declare const.
384         * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
385
386 2006-01-22  Zack Weinberg  <zackw@panix.com>
387
388         * genautomata.c:  Include vec.h, not varray.h.
389         Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
390         VLA_HWINT_ macros.  Change vla_hwint_t to a typedef for
391         VEC(vect_el_t,heap) *.  Convert all uses of VLA_* macros to
392         VEC_* macros operating on appropriately typed vectors, or to
393         malloced arrays when the size is known in advance.  Const-ify
394         many char* variables and function arguments.  No functional changes.
395         * Makefile.in (build/varray.o): Delete rule.
396         (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
397         (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
398
399 2006-01-22  Zack Weinberg  <zackw@panix.com>
400
401         * gensupport.c: Define get_insn_name and record_insn_name here.
402         (read_md_rtx): Call record_insn_name as appropriate.
403         * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
404         * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
405         * genpreds.c, genrecog.c: Don't define get_insn_name nor
406         record_insn_name.
407         * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
408         (BUILD_VARRAY): Delete.
409         (genprognormal): Rename genprogmd.  Fold in all programs from
410         genprognoprint; also attrtab.
411         (build/genattrtab): Just mention genautomata.o and varray.o.
412         Reorganize a bit, add comments to make the categories clearer.
413
414 2006-01-22  Zack Weinberg  <zackw@panix.com>
415
416         * genconditions.c (condition_table, add_condition): Delete.
417         (write_conditions): Don't emit n_insn_conditions nor
418         insn_elision_unavailable.  Issue the gcc version #ifdef here,
419         inside the table, with no #else clause ...
420         (write_header): ...not here.
421         (write_writer): New function.
422         (main): Don't initialize condition_table.  Use add_c_test.
423         Call write_writer.
424         * gensupport.c (init_md_reader_args_cb): Handle multiple input
425         files on the command line.
426         (maybe_eval_c_test): Don't check insn_elision_unavailable.
427         Return -1 if there is no entry in the table, don't abort.
428         (add_c_test, traverse_c_tests): New functions.
429         * gensupport.h (insn_elision_unavailable, insn_conditions)
430         (n_insn_conditions): Delete declarations.
431         (add_c_test, traverse_c_tests): Declare.
432         * read-rtl.c: Include gensupport.h.
433         (read_conditions): New function.
434         (read_rtx): If read_rtx_1 returns 0, treat as EOF.
435         (read_rtx_1): If we get EOF when we were looking for an initial
436         open paren, return 0.  Call read_conditions when appropriate.
437         * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
438         dummy-conditions.o.  Eliminate references to insn-conditions.o,
439         or change them to build/gencondmd.o, as appropriate.  Remove
440         insn-constants.h from $(simple_generated_h) and insn-conditions.c
441         from $(simple_generated_c).  For all files remaining in those
442         two lists, add insn-conditions.md to the generator command line.
443         Give insn-constants.h/s-constants their own rules.  Add rules
444         for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
445         (build/read-rtl.o): Depend on gensupport.h.
446         (genprognormal): Include preds.
447         (genprogearly): Rename genprognoprint; only difference is now that
448         they don't link with $(BUILD_PRINT).
449         * dummy-conditions.c: Delete.
450
451 2006-01-22  Zack Weinberg  <zackw@panix.com>
452
453         * genextract.c: Don't include insn-config.h.  Do include vec.h.
454         Declare vectors of int, char, and locstr.
455         (locstr): New typedef.
456         (struct extraction): Make all array fields into bare pointers.
457         (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
458         (insn_code_number): Delete.
459         (accum_extract): New struct.
460         (VEC_safe_set_locstr, VEC_char_to_string): New functions.
461         (gen_insn): Take insn_code_number as an argument.  Use an
462         accum_extract structure instead of loading data directly into
463         a struct extraction, and having to know how big it might get.
464         (walk_rtx): Operate entirely on an accum_extract structure.
465         (print_path): Avoid unnecessary use of printf.
466         (print_header): New function, split out of main.  Distinguish
467         more carefully between an unrecognizable insn and an insn that
468         has the code number of a define_expand.
469         (main): Pass insn_code_number to gen_insn.  Call print_header
470         only after parsing.  Avoid unnecessary use of printf.
471         * Makefile.in (build/vec.o): New rule.
472         (build/genextract): Depend on build/vec.o.
473         (build/genextract.o): Don't depend on insn-config.h.
474
475 2006-01-22  Zack Weinberg  <zackw@panix.com>
476
477         * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
478         $(RUN_GEN).  Use pattern rules to factor out as much boilerplate as
479         practical.  Eliminate per-generator-program link rules.
480
481 2006-01-23  Andrew Pinski  <pinskia@physics.uc.edu>
482
483         PR middle-end/24437
484         * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
485         with a call expr to ...
486         * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
487
488 2006-01-23  Richard Guenther  <rguenther@suse.de>
489
490         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
491         before make_edge with conditional EDGE_TRUE_VALUE.
492
493 2006-01-23  Steven Bosscher  <stevenb.gcc@gmail.com>
494         Jan Hubicka  <jh@suse.cz>
495         Richard Guenther  <rguenther@suse.de>
496
497         PR rtl-optimization/25654
498         * cfgexpand.c (aggregate_contains_union_type): New function.
499         (add_alias_set_conflicts): Call it.  Make sure to add conflicts
500         for structure variables that contain a union type.
501
502 2006-01-23  Richard Sandiford  <richard@codesourcery.com>
503
504         * gengtype.c (new_structure): Return the structure.
505         (create_option): Add an extra "next" argument.
506         (create_field): New function.
507         (adjust_field_rtx_def): Use create_option and create_field.
508         Remove a now-unnecessary call to find_structure.
509         (adjust_field_tree_def): Likewise.
510         (note_yacc_type): Remove an unnecessary call to find_structure.
511         * gengtype.h (new_structure): Return the structure.
512         (create_option): Add an extra argument.
513         * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
514         (option): Adjust calls to create_option.
515
516 2006-01-22  David Edelsohn  <edelsohn@gnu.org>
517
518         * config/rs6000/aix.h (STACK_BOUNDARY): Define.
519
520 2006-01-22  Paul Brook  <paul@codesourcery.com>
521         Peter Barada  <peter@the-baradas.com>
522
523         * config/m68k/m68k.md: Add Coldfire FPU support.
524         Define FP mode macro and associated attributes.
525         Use it for float mode patterns.
526         * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
527         (LIBCALL_VALUE): Use m68k_libcall_value.
528         * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
529         (m68k_function_value): Ditto.
530         (emit_move_sequence): Ditto.
531         * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
532         * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
533         * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
534         (MULTILIB_EXCEPTIONS): Ditto.
535         * config/m68k/m68k.opt: Add mcfv4e.
536         * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
537         (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
538         (m68k_output_function_prologue): Save ColdFire FPU registers.
539         (m68k_output_function_epilogue): Restore ColdFire FPU registers.
540         (force_mode, fp_reg_operand, emit_move_sequence): New functions.
541         (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
542         ColdFire FPU registers.
543         (m68k_libcall_value, m68k_function_value): New functions.
544         * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
545         (LIBCALL_VALUE): Use m68k_libcall_value.
546         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
547         (MASK_COLDFIRE): Add MASK_CFV4E.
548         (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
549         (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
550         (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
551         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
552         (GO_IF_LEGITIMATE_ADDRESS): Use it.
553         (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
554         * doc/invoke.tex: Document -mcfv4e on m68k.
555
556 2006-01-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
557
558         * doc/contribute.texi: Change CVS to SVN and update the corresponding
559         URL.
560
561 2006-01-21  Gabriel Dos Reis  <gdr@integrable-solutions.net>
562
563         PR c++/16190
564         * c-opts.c (c_common_handle_option): Don't include
565         -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
566         * doc/invoke.texi (C++ Dialect Options): Document that
567         -Wnon-virtual-dtor is no longer included in -Wall.
568
569 2006-01-21  Joseph S. Myers  <joseph@codesourcery.com>
570
571         * gcov.c (print_version), gcov-dump.c (print_version),
572         mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
573         dates.
574
575 2005-01-21  Kenneth Zadeck <zadeck@naturalbridge.com>
576
577         * df-scan.c (problem_SCAN): Added NULL reset function.
578         (df_scan_reset_blocks): Added code to call reset block function
579         (df_bb_refs_delete) Fixed comment.
580         (df_insn_refs_delete): Made tolerant of deleting non existent info
581         for dataflow problems that need to be reset.
582         * df-core.c (df_set_blocks): Ditto.
583         * df.h (struct df_problem): Added reset_fun.
584         * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
585         problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
586         (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
587         functions to clear out all references to def-use or use-def chains.
588
589 2006-01-21  Ben Elliston  <bje@au.ibm.com>
590
591         * varasm.c (assemble_real): Initialise data array.
592
593 2006-01-20  Paul Brook  <paul@codesourcery.com>
594
595         Merge from csl-arm-branch.
596         2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
597         * config/arm/arm.md (movdi): Force operands[1] to a register
598         if we have a non-register source.
599         (*arm_movdi, *movdf_soft_insn): Require that one of the
600         operands be a register.
601         * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
602         * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
603
604 2006-01-20  DJ Delorie  <dj@redhat.com>
605
606         * varasm.c (initialize_constant_valid_p): Allow pointers
607         initialized from integer constants of lesser precision.
608         (output_constant): Allow non-int-sized pointer modes to be
609         initialized from integer constants.
610
611 2006-01-20  Joseph S. Myers  <joseph@codesourcery.com>
612
613         PR libstdc++/25524
614         * cppdefault.h (struct default_include): Add multilib flag.
615         * cppdefault.c (cpp_include_defaults): Set it.
616         * c.opt (-imultilib): New option.
617         * c-opts.c (imultilib): New.
618         (c_common_handle_option): Handle -imultilib.
619         (c_common_post_options): Likewise.
620         * c-incpath.c (add_standard_paths, register_include_chains):
621         Likewise.
622         * c-incpath.h (register_include_chains): Add extra parameter.
623         * gcc.c (do_spec_1): Generate -imultilib option.
624         (The Specs Language): Update %I description.
625         (process_command): Update copyright notice.
626         * doc/cppopts.texi (-imultilib): Document.
627         * doc/invoke.texi (-imultilib): Include in option summary.
628         (%I): Update specs documentation.
629
630 2006-01-20  Zdenek Dvorak <dvorakz@suse.cz>
631
632         * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
633
634 2006-01-20  Richard Sandiford  <richard@codesourcery.com>
635
636         * stmt.c (case_bit_test_cmp): Stabilize the sort using code
637         label numbers.
638
639 2006-01-20  Richard Guenther  <rguenther@suse.de>
640         Steven Bosscher <stevenb.gcc@gmail.com>
641
642         PR rtl-optimization/24626
643         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
644         EDGE_TRUE_VALUE if in RTL mode.
645
646         Revert
647         2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
648         * cfgrtl.c (rtl_verify_flow_info_1): Fix.
649
650 2006-01-20  Dirk Mueller  <dmueller@suse.com>
651
652         PR c++/5520
653         * c-parser.c (c_parser_if_body): Use build_empty_stmt()
654         instead of a special NOP marker.
655         * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
656         NOP marker handling.
657         * c-common.h (empty_body_warning): Add forward declaration.
658         * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
659         Now uses IS_EMPTY_STMT() instead of special NOP markers.
660
661 2005-01-20  Paul Brook  <paul@codesourcery.com>
662
663         * Makefile.in (lang_checks): Keep going if mkdir fails.
664
665 2005-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
666
667         * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
668         be able to clean out basic block when not necessary.
669         (df_scan_free): Fixed to properly delete information if df is
670         unused before calling df_finish.
671         (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
672         df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
673         or comment typos.
674         (df_bb_refs_delete): New function.
675         (df_refs_delete): Moved per block code to df_bb_refs_delete.
676         * df-core.c (df_set_blocks): Added code to properly clean out
677         unused blocks if they are not part of the blocks to consider.
678         Added additional null check.
679         (df_compact_blocks): Added basic block parameter to free_bb_fun to
680         be able to clean out basic block when not necessary
681         * df.h (df_free_bb_function): Ditto.
682         (df_bb_refs_delete): New function.
683         * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
684         df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
685         basic block parameter to be able to clean out basic block when not
686         necessary.
687         (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
688         (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
689         Fixed to properly delete information if df is unused before
690         calling df_finish.
691
692 2005-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
693
694         PR rtl-optimization/25799
695         * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
696         Corrected confluence operator to remove bits from op2 before oring
697         with op1 rather than removing bits from op1.
698         (df_ru_transfer_function): Corrected test on wrong bitmap which
699         caused infinite loop.  Both of these problems were introduced in
700         the dataflow rewrite.
701
702 2006-01-19  DJ Delorie  <dj@redhat.com>
703
704         * reload1.c (find_reload_regs): Note the details of reload
705         failures in the dump file.
706         (spill_failure): Likewise.
707
708 2006-01-20  Zdenek Dvorak <dvorakz@suse.cz>
709
710         * loop-iv.c: Include df.h and hashtab.h.
711         (enum iv_grd_result): New enum.
712         (DF_REF_IV, DF_REF_IV_SET): New macros.
713         (struct biv_entry): New.
714         (df, bivs): New global variables.
715         (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
716         assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
717         Removed.
718         (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
719         iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
720         analyzed_for_bivness_p, record_biv): New functions.
721         (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
722         get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
723         iv_analyze, biv_p, iv_analysis_done): Work with df representation of
724         UD chains.
725         (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
726         analysed.
727         (iv_number_of_iterations): Use new interface to iv analysis.
728         * loop-unroll.c: Do not include varray.h.
729         (analyze_iv_to_split_insn): Use new interface to iv
730         analysis.
731         * loop-unswitch.c (may_unswitch_on): Ditto.
732         * df.c (df_bitmaps_free): Only work for bbs for that structures are
733         allocated.
734         (df_bb_modify): Realloc tables to the new index.
735         (df_find_use): New function.
736         * df.h (df_find_use): Declare.
737         * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
738         outmode.
739         * cfgloop.h (struct rtx_iv): Remove analysed field.
740         (iv_get_reaching_def): Removed.
741         (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
742         * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
743         (loop-iv.o): Add df.h and hashtab.h dependency.
744         * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
745
746 2006-01-20  Alan Modra  <amodra@bigpond.net.au>
747
748         * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
749         Double TFmode.
750         (__floatundisf, __floatundidf): Likewise.
751         * libgcc2.h (IS_IBM_EXTENDED): Define.
752
753 2006-01-19  DJ Delorie  <dj@redhat.com>
754
755         * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
756
757 2006-01-19  Paul Brook  <paul@codesourcery.com>
758
759         * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
760         as nothrow when unwinding tables are disabled.
761
762 2006-01-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
763
764         PR testsuite/25171
765         * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
766         of bit-field" when in system header.
767
768 2006-01-19  DJ Delorie  <dj@redhat.com>
769
770         * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
771         the 16 bit shift limit of the m16c.
772
773 2006-01-19  Andrew Pinski  <pinskia@physics.uc.edu>
774
775         PR target/22099
776         * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
777         * config/i386/i386.c (output_set_got): Output the label if we have one
778         for the TARGET_DEEP_BRANCH_PREDICTION case.
779
780 2006-01-19  Jan Hubicka  <jh@suse.cz>
781             H.J. Lu  <hongjiu.lu@intel.com>
782             Evandro Menezes <evandro.menezes@amd.com>
783
784         * invoke.texi (generic): Document
785         (i686) Update.
786         * config.gcc: Make x86_64-* and i686-* default to generic tunning.
787         * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
788         TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
789         (x86_use_incdec, x86_pad_returns): New variables
790         (TARGET_CPU_DEFAULT_generic): New constant
791         (TARGET_CPU_DEFAULT_NAMES): Add generic.
792         (enum processor_type): Add generic32 and generic64.
793         * i386.md (cpu attribute): Add generic32/generic64
794         (movhi splitter): Behave sanely when both partial_reg_dependency and
795         partial_reg_stall are set.
796         (K8 splitters): Enable for generic as well.
797         * predicates.md (incdec_operand): Use TARGET_INCDEC
798         (aligned_operand): Avoid memory mismatch stalls.
799         * athlon.md: Enable for generic64, new patterns for 128bit moves.
800         * ppro.md: Enable for generic32
801         * i386.c (generic64_cost, generic32_cost): New.
802         (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
803         (x86_use_leave): Enable for generic64.  (x86_use_sahf,
804         x86_ext_80387_constants): Enable for generic32.  (x86_push_memory,
805         x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
806         x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
807         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
808         x86_partial_reg_dependency, x86_memory_mismatch_stall,
809         x86_accumulate_outgoing_args, x86_prologue_using_move,
810         x86_epilogue_using_move, x86_arch_always_fancy_math_387,
811         x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
812         Enable for generic.
813         (x86_use_incdec, x86_pad_returns): New.
814         (override_options): Add generic32 and generic64, translate "generic"
815         to generic32/generic64 and "i686" to "generic32", refuse
816         "generic32"/"generic64" as arch target.
817         (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
818         (ix86_reorg): Honor PAD_RETURNS.
819
820 2006-01-19  Diego Novillo  <dnovillo@redhat.com>
821
822         * tree-pretty-print.c (dump_generic_node): Handle
823         OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
824         * cgraph.c (cgraph_expand_queue): Rename from
825         cgraph_analyze_queue.  Update all users.
826         * cgraphunit.c (cgraph_assemble_pending_functions): Process
827         cgraph_expand_queue.
828         (cgraph_expand_all_functions): Likewise.
829         (cgraph_finalize_pending_functions): Remove.  Update callers.
830
831         * tree.h (OMP_DIRECTIVE_P): Define.
832         (OMP_PARALLEL_FN): Define.
833         (OMP_PARALLEL_DATA_ARG): Define.
834         (OMP_SECTIONS_SECTIONS): Define.
835         * tree-pass.h (pass_expand_omp): Declare.
836         * omp-low.c (struct omp_region): Declare.
837         (struct omp_context): Remove fields 'parallel_type',
838         'parallel_start_ix' and 'parallel_start_additional_args'.
839         Update all users.
840         (struct omp_for_data): Rename from struct expand_omp_for_data.
841         (omp_regions): New static variable.
842         (root_omp_region): New static variable.
843         (find_omp_clause): Make static.
844         (is_in_combined_parallel_ctx): Remove.
845         (is_combined_parallel): New.
846         (extract_omp_for_data): Move earlier in the file.
847         (workshare_safe_to_combine_p): New.
848         (get_ws_args_for): New.
849         (determine_parallel_type): Move earlier in the file.
850         (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
851         child function.
852         (omp_copy_decl): Likewise.
853         (create_omp_child_function): Likewise.
854         (lookup_omp_region): New.
855         (dump_omp_region): New.
856         (debug_omp_region): New.
857         (debug_all_omp_regions): New.
858         (new_omp_region): New.
859         (scan_omp_parallel): If parallel_nesting_level > 1, the
860         directive is nested within another parallel directive.
861         Set OMP_PARALLEL_FN.
862         (scan_omp_for): Do not try to handle combined parallel+for
863         cases.
864         Remove FIXME comment.
865         (scan_omp_nested): Remove.
866         (scan_omp_1): Do not call scan_omp_nested when
867         parallel_nesting_level is > 1.
868         Do not change the DECL_CONTEXT of local variables found.
869         (lookup_decl_in_outer_ctx): New.
870         (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
871         (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
872         (lower_reduction_clauses): Rename from expand_reduction_clauses.
873         (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
874         If CTX is nested, lookup VAR in the outer context when
875         building copy assignment.
876         (lower_send_clauses): Rename from expand_send_clauses.
877         If CTX is nested, lookup VAR in the outer context when
878         building copy assignments.
879         (lower_send_shared_vars): Rename from expand_send_shared_vars.
880         If CTX is nested, lookup VAR in the outer context when
881         building copy assignments.
882         (expand_parallel_call): Rename from build_parallel_call.
883         Handle combined parallel+workshare cases.
884         Re-implement to emit code into the CFG.
885         (list2chain): New.
886         (expand_omp_parallel): Re-implement to emit code into the CFG.
887         Call move_sese_region_to_fn to outline the sub-graph
888         containing the parallel region.
889         (expand_omp_for_1): Remove.
890         (expand_omp_for_generic): Re-implement to emit code into the
891         CFG.
892         (expand_omp_for_static_nochunk): Likewise.
893         (expand_omp_for_static_chunk): Likewise.
894         (expand_omp_for): Likewise.
895         (expand_omp_sections): Likewise.
896         (remove_exit_barriers): New.
897         (expand_omp_synch): New.
898         (expand_omp): New.
899         (build_omp_regions_1): New.
900         (build_omp_regions): New.
901         (execute_expand_omp): New.
902         (gate_expand_omp): New.
903         (pass_expand_omp): Define.
904         (lower_omp_sections): Rename from expand_omp_sections.
905         Set OMP_SECTIONS_SECTIONS.
906         (lower_omp_single_simple): Rename from expand_omp_single_simple.
907         (lower_omp_single_copy): Rename from expand_omp_single_copy.
908         (lower_omp_single): Rename from expand_omp_simple.
909         (lower_omp_master): Rename from expand_omp_master.
910         (lower_omp_ordered): Rename from expand_omp_ordered.
911         (lower_omp_critical): Rename from expand_omp_critical.
912         (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
913         (lower_omp_for): Re-implement.
914         (lower_omp_parallel): Re-implement.
915         (lower_regimplify): Rename from expand_regimplify.
916         (lower_omp_1): Rename from expand_omp_1.
917         If there are syntax errors in the program, replace every
918         OpenMP directive with NOP.
919         Call lower_omp_* instead of expand_omp_*.
920         (lower_omp): Rename from expand_omp.
921
922         * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
923         * tree-gimple.h (enum omp_parallel_type): Remove.
924         (gimple_boolify): Declare extern.
925         (find_omp_clause, determine_parallel_type): Remove.
926
927         * gimple-low.c (lower_omp_directive): New.
928         (lower_stmt): Call it.
929         (record_vars_into): Move from ...
930         (record_vars): ... here.
931         Call record_vars_into with current_function_decl.
932
933         * gimplify.c (struct gimplify_ctx): Remove fields
934         combined_pre_p and combined_ctxp.  Update users.
935         (get_formal_tmp_var): Add documentation.
936         (gimple_boolify): Make extern.
937         (gimplify_expr_in_ctx): Remove.  Update callers.
938         (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
939         will always be a BIND_EXPR.
940         (gimplify_expr): Handle OMP_RETURN_EXPR.
941         * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
942         (OMP_PARALLEL): Add 3 operands.
943         (OMP_SECTIONS): Add 1 operand.
944         (OMP_RETURN_EXPR): Define.
945
946         * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
947         (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
948         * tree-iterator.c (alloc_stmt_list): Assert that we are not
949         creating a circular free list.
950         (free_stmt_list): Assert that we are not freeing stmt_list_cache.
951
952         * tree-flow.h (move_sese_region_to_fn): Declare.
953         (record_vars_into): Declare.
954         * tree-cfg.c (make_omp_sections_edges): New.
955         (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
956         OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
957         OMP_SECTIONS and OMP_SECTION.
958         (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
959         (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
960         (verify_stmt): Do not handle OMP_DIRECTIVE_P.
961         (gather_blocks_in_sese_region): New.
962         (struct move_stmt_d): Declare.
963         (move_stmt_r): New.
964         (move_block_to_fn): New.
965         (move_sese_region_to_fn): New.
966
967         * passes.c (init_optimization_passes): Schedule
968         pass_expand_omp after pass_init_datastructures.
969
970         * tree-ssa-operands.c (get_expr_operands): Handle
971         OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
972         OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
973
974 2006-01-19  Jeff Law  <law@redhat.com>
975
976         * tree-vrp.c (extract_range_from_assert): Refine the result range
977         if the variable referenced by the ASSERT_EXPR has a range and
978         either the tentative result range or the previous range is a
979         VR_ANTI_RANGE.
980
981 2006-01-19  Richard Sandiford  <richard@codesourcery.com>
982
983         * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
984
985 2006-01-19  Jan Hubicka  <jh@suse.cz>
986
987         * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
988
989 2006-01-19  Paolo Bonzini  <bonzini@gnu.org>
990
991         * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
992         (expand_compound_operation, expand_field_assignment): Fail if the
993         bit lengths of an extract operation are out of range.
994         (make_extraction): Compute wanted_inner_mode based on the position
995         and length of the extraction.  Make it extraction_mode for non-constant
996         positions, and do not modify offset in that case.  When generating a
997         new MEM, use a mode that can hold the extraction while keeping correct
998         alignment.  Remove code that supported MEMs wrapped by USEs.
999         (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
1000
1001 2006-01-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1002
1003         * config/s390/s390.md ("Y", "y"): New mode attribute.
1004         ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
1005         "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
1006         "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
1007         "*addsi3_imm_cc", "*addsi3_carry1_cc",
1008         "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
1009         "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
1010         "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
1011         "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
1012         "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
1013         "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
1014         "addsi3", "subsi3"): Insn patterns removed.
1015         ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
1016         "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
1017         "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
1018         "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
1019         "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
1020         "*sub<mode>3_cconly2"): New insn patterns.
1021         ("addsi3", "subsi3"): New expanders.
1022
1023 2006-01-19  Dorit Nuzman  <dorit@il.ibm.com>
1024
1025         * Makefile.in (tree-vect-patterns.o): Add rule for new file.
1026         * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
1027         existing STMT_VINFO_VECTYPE if available.
1028         (vect_mark_relevant): Add special handling for stmts that are
1029         marked as STMT_VINFO_IN_PATTERN_P.
1030         (vect_analyze_loop): Call vect_pattern_recog.
1031         * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
1032         * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
1033         stmt_info.
1034         (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
1035         (vect_recog_func_ptr): New function-pointer type.
1036         * tree-vect-patterns.c: New file.
1037         (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
1038         (vect_recog_dot_prod_pattern, vect_pattern_recog):
1039         (vect_pattern_recog_1): New functions.
1040         (vect_pattern_recog_funcs): New array of function pointers.
1041
1042         * tree-vectorizer.h (ternary_op): New enum value.
1043         * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
1044         declaration. Revised documentation. Removed redundant dump prints.
1045         Removed redundant argument. Added support for reduction patterns.
1046         (vectorizable_reduction): Added support for reduction patterns.
1047         (vect_transform_stmt): Added support for patterns.
1048
1049         * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
1050         * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
1051         * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
1052         (expand_widen_pattern_expr): New function.
1053         (init_optabs): Initialize new optabs udot_prod_optab,
1054         sdot_prod_optab.
1055         * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
1056         (sdot_prod_optab, udot_prod_optab): Define new optabs.
1057         (expand_widen_pattern_expr): New function declaration.
1058         * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
1059         tree-codes.
1060         * tree-inline.c (estimate_num_insns_1): Added cases for new
1061         tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1062         * tree-pretty-print.c (dump_generic_node): Likewise.
1063         (op_prio): Likewise.
1064         (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1065         * tree-ssa-operands.c (get_expr_operands): Added case for
1066         DOT_PROD_EXPR.
1067         * tree-vect-patterns.c (widened_name_p): New function.
1068         (vect_recog_dot_prod_pattern): Added function implementation.
1069         * tree-vect-transform.c (get_initial_def_for_reduction): Added
1070         cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
1071         * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
1072         * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
1073
1074         * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
1075         * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
1076         * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
1077         (init_optabs): Initialize new optabs widen_ssum_optab,
1078         widen_usum_optab.
1079         * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
1080         (widen_ssum_optab, widen_usum_optab): Define new optabs.
1081         * tree-vect-generic.c: (expand_vector_operations_1): Check type of
1082         use instead of type of def.
1083         * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
1084         function implementation.
1085         * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
1086         widen_ssumv8hi): New.
1087
1088         * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
1089         patterns.
1090
1091 2006-01-19  Richard Sandiford  <richard@codesourcery.com>
1092
1093         PR c/25805
1094         * c-decl.c (add_flexible_array_elts_to_size): New function.
1095         (finish_decl): Use it.
1096
1097 2006-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
1098
1099         * diagnostic.h: Include options.h.
1100         * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
1101         dependancies for diagnostic.h.
1102         * Makefile.in (DIAGNOSTIC_H): Add options.h.
1103
1104 2006-01-16  Daniel Berlin  <dberlin@dberlin.org>
1105
1106         * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
1107         (ssa_ro_call_cache_valid): Ditto.
1108         * tree-ssa-alias.c (sort_tags_by_id): New function.
1109         (init_transitive_clobber_worklist): Ditto.
1110         (add_to_worklist): Ditto.
1111         (mark_aliases_call_clobbered): Ditto.
1112         (compute_tag_properties): Ditto.
1113         (set_initial_properties): Ditto.
1114         (compute_call_clobbered): Ditto.
1115         (compute_may_aliases):  Call compute_call_clobbered and grouping.
1116         (compute_flow_sensitive_aliasing): Remove clobbering related code.
1117         (compute_flow_insensitive_aliasing): Grouping now happens in our
1118         caller.
1119         (setup_pointers_and_addressables): Remove clobbering related code.
1120         (add_may_alias): Ditto.
1121         (replace_may_alias): Ditto.
1122         (get_nmt_for): Ditto.
1123         (create_global_var):
1124         (is_escape_site): Return an escape_type enumeration.
1125         * tree-flow-inline.h (is_call_clobbered):  Global var does not
1126         imply call clobbered.
1127         (mark_call_clobbered): Take a reason for marking this. Remove
1128         marking of globalness, and cache invalidation.
1129         (clear_call_clobbered): Remove cache invalidation code.
1130         * tree-dfa.c (dump_variable): If details is on, dump the reason
1131         for escaping.
1132         * tree-outof-ssa.c (create_temp): Copy escape mask from original
1133         variable.
1134         * tree-flow.h (struct ptr_info_def): Add escape mask member.
1135         (struct var_ann_d): Ditto.
1136         (enum escape_type): New.
1137         (mark_call_clobbered): Adjust prototype.
1138         * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
1139         are never call clobbered.
1140         Record reasons for escaping.
1141         * tree-ssa-structalias.h (is_escape_site): Update prototype.
1142         * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
1143         (ssa_ro_call_cache_valid): Ditto.
1144         (clobbered_v_may_defs): Ditto.
1145         (clobbered_vuses): Ditto.
1146         (ro_call_vuses): Ditto.
1147         (clobber_stats): New.
1148         (init_ssa_operands): Zero out clobber stats.
1149         (fini_ssa_operands): Print out clobber stats.
1150         (get_call_expr_operands): Pass callee fndecl to
1151         add_call_read_ops).
1152         (add_call_clobber_ops): Remove use of cache.
1153         Add use of PURE_CONST information.
1154         (add_call_read_ops): Remove use of cache.
1155         Add use of static not_read information.
1156
1157 2006-01-18  Alexandre Oliva  <aoliva@redhat.com>
1158
1159         Introduce TLS descriptors for i386 and x86_64.
1160         * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
1161         (TARGET_ANY_GNU_TLS): New macro.
1162         (enum tls_dialect): Added TLS_DIALECT_GNU2.
1163         (struct machine_function): Add tls_descriptor_call_expanded_p.
1164         (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
1165         (ix86_current_function_calls_tls_descriptor): Likewise.
1166         * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
1167         (override_options): Introduce gnu2 tls dialect.
1168         (ix86_frame_pointer_required): Functions containing TLSCALLs are
1169         not leaves.
1170         (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
1171         Likewise.
1172         (legitimize_tls_address): Adjust logic for GNU2 TLS.
1173         (ix86_init_machine_status): Initialize new field.
1174         (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
1175         (ix86_tls_module_base): New.
1176         * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
1177         * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
1178         (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
1179         (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
1180         (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
1181         (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
1182         (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
1183         (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
1184         * config/i386/predicates.md (tls_modbase_operand): New.
1185         (tp_or_register_operand): New.
1186
1187 2006-01-18  Daniel Berlin  <dberlin@dberlin.org>
1188
1189         * ipa-reference.c (check_operand):  Allow FUNCTION_DECL.
1190         (look_for_address_of): Ditto.
1191         (ipa_init): Walk the function decls.
1192         (static_execute): Don't set readonly on FUNCTION_DECL's.
1193
1194 2006-01-18  Roger Sayle  <roger@eyesopen.com>
1195
1196         * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
1197         for shifts where the source and destination registers are different.
1198
1199 2006-01-18  Paul Brook  <paul@codesourcery.com>
1200
1201         Merge from csl-arm-branch.
1202         2005-03-14  Julian Brown  <julian@codesourcery.com>
1203         * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
1204         (aeabi_llsl): Likewise.
1205         (ashrdi3): Likewise.
1206         (aeabi_lasr): Likewise.
1207         (lshrdi3): Likewise.
1208         (aeabi_llsr): Likewise.
1209         2005-03-10  Julian Brown  <julian@codesourcery.com>
1210         * config.gcc: Disable shared libgcc for SymbianOS.
1211         * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
1212
1213 2006-01-18  DJ Delorie  <dj@redhat.com>
1214
1215         * c-pragma.c (handle_pragma_diagnostic): New.
1216         (init_pragma): Register it.
1217         * doc/extend.texi: Document it.
1218
1219         * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
1220         * diagnostic.h (diagnostic_classify_diagnostic): Declare.
1221         (diagnostic_context): Add classify_diagnostic[].
1222         * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
1223         as errors if they're overridden to DK_WARNING.
1224         (diagnostic_initialize): Initialize classify_diagnostic[].
1225         (diagnostic_set_kind_override): New.
1226         (diagnostic_report_diagnostic): Check for kind changes.
1227         * opts.c (common_handle_option): Take lang_mask.  Update callers.
1228         Handle OPT_Werror_.
1229         * common.opt (Werror=): New.
1230         * doc/invoke.texi: Document -Werror=*
1231
1232 2006-01-18  Jeff Law  <law@redhat.com>
1233
1234         * tree-vrp.c (test_for_singularity): Correct test for new
1235         min limit.  Use operand_equal_p rather than pointer equality
1236         for testing if new min/max values are equal.
1237
1238         * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
1239         using range information until after propagation and folding.
1240
1241 2006-01-18  Richard Henderson  <rth@redhat.com>
1242             Aldy Hernandez  <aldyh@redhat.com>
1243             Jakub Jelinek  <jakub@redhat.com>
1244             Diego Novillo  <dnovillo@redhat.com>
1245
1246         * omp-low.c: New file.
1247         * c-omp.c: New file.
1248
1249 2006-01-18  Richard Henderson  <rth@redhat.com>
1250             Jakub Jelinek  <jakub@redhat.com>
1251             Diego Novillo  <dnovillo@redhat.com>
1252
1253         * doc/invoke.texi: Document -fopenmp.
1254         * tree-dump.h (debug_function): Declare.
1255         * hooks.c (hook_bool_tree_bool_false): New function.
1256         (hook_tree_tree_null): Remove.
1257         (hook_tree_tree_tree_null): New.
1258         * hooks.h: Update to match.
1259         * tree-pretty-print.c (debug_tree_chain): New.
1260         (print_generic_expr): Handle TDF_CHAIN.
1261         (dump_generic_node): Handle BLOCK.
1262         Do not abort with incomplete SWITCH_EXPRs.
1263         Do not dump body of an OpenMP directive if TDF_SLIM is given.
1264         <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
1265         print space after directive name.
1266         <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
1267         Handle OMP_MASTER and OMP_ORDERED.
1268         Handle printing of OMP_BODY just in one place, goto
1269         dump_omp_body in the rest of OMP_* nodes that have
1270         OMP_BODY.
1271         Don't handle clause nodes here.  Update omp statements to
1272         use dump_omp_clauses.
1273         Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
1274         OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
1275         OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
1276         GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
1277         GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
1278         GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
1279         Adjust output for GOMP_PARALLEL.
1280         (dump_omp_clauses): New.
1281         (print_declaration): Dump DECL_VALUE_EXPR.
1282         (op_symbol_1): Split out of op_symbol.
1283         (dumping_stmts): Remove.  Update all users.
1284         * cgraph.c (cgraph_analyze_queue): New.
1285         (cgraph_add_new_function): New.
1286         * cgraph.h (cgraph_analyze_queue): Declare.
1287         (cgraph_add_new_function): Declare.
1288         (cgraph_lower_function): Remove.
1289         * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
1290         nodes.  Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
1291         and TYPE_P nodes in its default clause.
1292         (empty_body_p): New.
1293         (tree_range_check_failed): New.
1294         (build5_stat): New.
1295         * tree.h (OMP_CLAUSE_REDUCTION_INIT,
1296         OMP_CLAUSE_REDUCTION_MERGE,
1297         OMP_CLAUSE_REDUCTION_PLACEHOLDER,
1298         OMP_CLAUSE_PRIVATE_DEBUG,
1299         OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
1300         OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
1301         OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
1302         OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
1303         OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
1304         OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
1305         OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
1306         OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
1307         OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
1308         OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
1309         OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
1310         OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
1311         OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
1312         OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
1313         (TREE_RANGE_CHECK): New.
1314         (empty_body_p): Declare.
1315         (enum omp_clause_default_kind): New.
1316         (build_string_literal): Declare.
1317         (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
1318         (build5_stat, build5): Declare.
1319         * tree-pass.h (TDF_CHAIN): Define.
1320         * tree-pass.h (PROP_gimple_lomp): Define.
1321         (pass_lower_omp): Declare.
1322         * diagnostic.h (debug_tree_chain): Declare.
1323         * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
1324         mode_for_size.
1325         (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
1326         * builtins.c (build_string_literal): Make extern.
1327         * gcc.c (include_spec_function): New.
1328         (static_spec_functions): Add it.
1329         (main): Move load of libgomp.spec ...
1330         (LINK_COMMAND_SPEC): ... here.
1331         (link_gomp_spec): New.
1332         (static_specs): Include it.
1333         (LINK_COMMAND_SPEC): Add link_gomp.
1334         (GOMP_SELF_SPECS): New.
1335         (driver_self_specs): Include it.
1336         (switch_matches): Don't mark inline.
1337         (main): Load libgomp.spec.
1338         * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
1339         OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
1340         and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
1341         * tree-gimple.h (enum omp_parallel): Declare.
1342         (determine_parallel_type): Declare.
1343         (omp_firstprivatize_variable): Declare.
1344         (omp_reduction_init): Declare.
1345         (diagnose_omp_structured_block_errors): Declare.
1346         (struct walk_stmt_info): Add want_return_expr.
1347         (struct walk_stmt_info): Add want_bind_expr, want_locations.
1348         (find_omp_clause): Declare.
1349         (insert_field_into_struct): Declare.
1350         (struct walk_stmt_info): Move from tree-nested.c
1351         (walk_stmts): Declare.
1352         * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
1353         to 200505.
1354         * cgraphunit.c (cgraph_lower_function): Make static.
1355         (cgraph_finalize_pending_functions): New.
1356         (cgraph_finalize_function): Call it.
1357         (cgraph_finalize_compilation_unit): Likewise.
1358         * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
1359         BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
1360         (BT_FN_UINT_UINT): New.
1361         (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
1362         DEF_FUNCTION_TYPE_VAR_4): Document.
1363         (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
1364         BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
1365         BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
1366         BT_FN_VOID_OMPFN_PTR_UINT_UINT,
1367         BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
1368         BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
1369         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
1370         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
1371         * builtins.def: Update DEF_BUILTIN comment to include COND argument.
1372         Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
1373         into separate files.
1374         (DEF_GOMP_BUILTIN): New.
1375         (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
1376         BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
1377         BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
1378         BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
1379         BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
1380         BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
1381         BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
1382         BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
1383         BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
1384         BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
1385         BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
1386         BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
1387         BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
1388         BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
1389         BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
1390         BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
1391         BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
1392         BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
1393         BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
1394         BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
1395         BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
1396         BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
1397         BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
1398         BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
1399         BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
1400         BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
1401         * sync-builtins.def: New file, moved from builtins.def.
1402         * omp-builtins.def: New file, moved from builtins.def.
1403         * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
1404         * gimple-low.c (lower_function_body): Clear data.
1405         (lower_stmt): Do not handle COMPOUND_EXPR.
1406         Remove call to print_node_brief.
1407         * c-tree.h (c_finish_omp_clauses): New prototype.
1408         (C_DECL_THREADPRIVATE_P): Define.
1409         (lookup_name_no_remap, c_omp_remap_private): Remove
1410         (c_begin_omp_parallel, c_finish_omp_parallel): Update.
1411         (check_for_loop_decls): Update decl.
1412         (lookup_name_no_remap, c_omp_remap_private): Declare.
1413         (build_indirect_ref, build_modify_expr, pushdecl,
1414         pushdecl_top_level): Move to c-common.h.
1415         * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
1416         before the switch, but just in the 2 places that need it.
1417         * c-decl.c (diagnose_mismatched_decls): Do not check for
1418         mismatched thread-local attributes when OLDDECL is marked
1419         threadprivate and NEWDECL has no thread-local attributes.
1420         (merge_decls): Merge C_DECL_THREADPRIVATE_P.
1421         (c_gimple_diagnostics_recursively): Rename from
1422         c_warn_unused_result_recursively.  Invoke
1423         diagnose_omp_structured_block_errors.
1424         (check_for_loop_decls): Return a singular decl found.
1425         * langhooks.c (lhd_omp_predetermined_sharing): Return
1426         OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
1427         (lhd_omp_firstprivatize_type_sizes): New.
1428         (lhd_omp_assignment): New.
1429         (lhd_omp_predetermined_sharing): New.
1430         * langhooks.h (struct gimplify_omp_ctx): Forward declare.
1431         (struct lang_hooks_for_types): Add
1432         omp_firstprivatize_type_sizes, omp_privatize_by_reference,
1433         omp_predetermined_sharing, omp_disregard_value_expr,
1434         omp_private_debug_clause, omp_clause_default_ctor,
1435         omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
1436         (c_finish_omp_clauses): New.
1437         (c_finish_bc_stmt): Diagnose break within omp for.
1438         (c_begin_omp_parallel, c_finish_omp_parallel): New.
1439         (build_unary_op): Return error_mark after reporting
1440         a readonly_error.
1441         (build_modify_expr): Likewise.
1442         * gimplify.c: Include optabs.h and pointer-set.h.
1443         (enum gimplify_omp_var_data): Declare.
1444         (struct gimplify_omp_ctx): Declare.
1445         (struct gimplify_ctx): Add fields prev_context, combined_pre_p
1446         and combined_ctxp.
1447         (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
1448         (push_gimplify_context, pop_gimplify_context): Allow nesting.
1449         (splay_tree_compare_decl_uid): New.
1450         (new_omp_context): New.
1451         (delete_omp_context): New.
1452         (gimple_add_tmp_var): Call omp_add_variable.
1453         (gimplify_bind_expr): Likewise.
1454         (gimplify_var_or_parm_decl): If omp_notice_variable returned
1455         true, disregard DECL_VALUE_EXPR on the decl if any.
1456         (gimplify_expr_in_ctx): New.
1457         (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
1458         omp_add_variable, omp_notice_variable, omp_is_private
1459         gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
1460         gimplify_adjust_omp_clauses, gimplify_omp_parallel
1461         gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
1462         gimplify_omp_atomic_fetch_op, goa_stabilize_expr
1463         gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
1464         gimplify_omp_atomic): New.
1465         (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1466         OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1467         OMP_CRITICAL and OMP_ATOMIC.
1468         (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
1469         * c-pragma.h (enum pragma_kind): Add
1470         PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
1471         PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
1472         PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
1473         PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
1474         PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
1475         PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
1476         PRAGMA_OMP_THREADPRIVATE.
1477         * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1478         OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1479         OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
1480         OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
1481         OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
1482         OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
1483         OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
1484         OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
1485         OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
1486         * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
1487         * tree-ssa-dce.c (find_control_dependence): Do not assume that
1488         ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
1489         * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
1490         OpenMP directives.
1491         (struct nesting_info): Add field_map,
1492         suppress_expansion, debug_var_chain.
1493         (create_nesting_tree): Initialize them.
1494         (lookup_field_for_decl): Use field_map.
1495         (get_nonlocal_debug_decl, get_local_debug_decl): New.
1496         (convert_local_omp_clauses): New.
1497         (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
1498         (walk_body): Split out of walk_function.
1499         (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
1500         (convert_nonlocal_reference): Handle omp statements.
1501         (convert_local_reference): Likewise.
1502         (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
1503         (unnest_nesting_tree): New.
1504         (lower_nested_functions): Call it.
1505         (insert_field_into_struct): Make extern.
1506         (struct walk_stmt_info): Move to tree-gimple.h.
1507         (walk_stmts): Make extern.
1508         * omp-builtins.def: New file.
1509         * tree-iterator.c (expr_only): Clarify comment.
1510         * c-common.h (pushdecl_top_level, pushdecl,
1511         build_modify_expr, build_indirect_ref,
1512         c_finish_omp_master, c_finish_omp_critical,
1513         c_finish_omp_ordered, c_finish_omp_barrier,
1514         c_finish_omp_atomic, c_finish_omp_flush,
1515         c_finish_omp_for, c_split_parallel_clauses,
1516         omp_clause_default_kind, c_omp_sharing_predetermined,
1517         c_omp_remap_decl): Declare.
1518         * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
1519         (OBJS-common): Add omp-low.o.
1520         (c-omp.o, omp-low.o): Add.
1521         (gimplify.o): Add dependency on $(OPTABS_H).
1522         (GTFILES): Add omp-low.c.
1523         (gt-stringpool.h): Add.
1524         * tree-cfg.c (set_bb_for_stmt): Do not update the
1525         block-to-labels map if we are currently expanding to RTL.
1526         (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
1527         checks.
1528         Handle IDENTIFIER_NODE.
1529         (tree_verify_flow_info): Do not ICE when emitting error
1530         messages about invalid labels.
1531         (dump_function_to_file): Reset CFUN before emitting the body
1532         of the function.
1533         (debug_function): New.
1534         * passes.c (init_optimization_passes): Schedule
1535         pass_lower_omp.
1536         * langhooks-def.h (lhd_omp_predetermined_sharing,
1537         lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
1538         Declare.
1539         (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
1540         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
1541         (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
1542         LANG_HOOKS_OMP_PREDETERMINED_SHARING,
1543         LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
1544         LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
1545         LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
1546         LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
1547         LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
1548         LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
1549         (LANG_HOOK_DECLS): Use them.
1550
1551 2006-01-18  Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
1552             Richard Henderson  <rth@redhat.com>
1553             Jakub Jelinek  <jakub@redhat.com>
1554             Diego Novillo  <dnovillo@redhat.com>
1555
1556         * c-parser.c (pragma_omp_clause): Define.
1557         (c_parser_declaration_or_fndef): Document OpenMP syntax.
1558         (c_parser_compound_statement): Likewise.
1559         (c_parser_statement): Likewise.
1560         (c_parser_pragma): Handle omp pragmas.
1561         (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
1562         OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
1563         (c_parser_omp_clause_name, check_no_duplicate_clause,
1564         c_parser_omp_variable_list,
1565         c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
1566         c_parser_omp_clause_copyprivate,
1567         c_parser_omp_clause_default,
1568         c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
1569         c_parser_omp_clause_lastprivate,
1570         c_parser_omp_clause_nowait,
1571         c_parser_omp_clause_num_threads,
1572         c_parser_omp_clause_ordered, c_parser_omp_clause_private,
1573         c_parser_omp_clause_reduction,
1574         c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
1575         c_parser_omp_all_clauses, c_parser_omp_structured_block,
1576         c_parser_omp_atomic, c_parser_omp_barrier,
1577         c_parser_omp_critical, c_parser_omp_flush,
1578         c_parser_omp_for_loop, c_parser_omp_for,
1579         c_parser_omp_master, c_parser_omp_ordered,
1580         c_parser_omp_sections_scope, c_parser_omp_sections,
1581         c_parser_omp_parallel, c_parser_omp_single,
1582         c_parser_omp_construct, c_parser_omp_threadprivate): New.
1583         * c-pragma.c (init_pragma): Do omp pragma registration here.
1584         * c.opt (fopenmp): New flag.
1585
1586 2006-01-18  Eric Christopher  <echristo@apple.com>
1587
1588         * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
1589         * config/darwin.h (GOMP_SELF_SPECS): Define.
1590
1591 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
1592
1593         * rtl.h: Remove the prototype for reg_alloc.
1594
1595 2006-01-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1596
1597         PR target/25731
1598         * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
1599         hppa[12]*-*-hpux11*): Override default shared libgcc version for both
1600         sjlj and dwarf2 exception handling.
1601         * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
1602         Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
1603         * pa/pa.c (function_value): Treat complex and vector types as
1604         aggregates.
1605         (function_arg): Likewise.  Only pass scalar floats in the floating
1606         point argument registers.
1607         * pa/t-slibgcc-dwarf-ver: New file.
1608         * pa/t-slibgcc-sjlj-ver: New file.
1609         * pa/t-slibgcc-elf-ver: Delete file.
1610
1611 2006-01-19  Alan Modra  <amodra@bigpond.net.au>
1612
1613         * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
1614         unlikely_test_section_p test.
1615
1616 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
1617
1618         * mode-switching.c (optimize_mode_switching): Make it static.
1619         * basic-block.h: Remove the prototype for
1620         optimize_mode_switching.
1621
1622         * modulo-sched.c (sms_schedule): Make it static.
1623         * rtl.h: Remove the prototype for sms_schedule.
1624
1625         * postreload-gcse.c (gcse_after_reload_main): Make it static.
1626         * rtl.h: Remove the prototype for gcse_after_reload_main.
1627
1628         * reg-stack.c (reg_to_stack): Make it static.
1629         * rtl.h: Remove the prototype for reg_to_stack.
1630
1631         * regrename.c (regrename_optimize, copyprop_hardreg_forward):
1632         Make them static.
1633         * rtl.h: Remove the prototypes for regrename_optimize and
1634         copyprop_hardreg_forward.
1635
1636 2006-01-18  Eric Botcazou  <ebotcazou@adacore.com>
1637
1638         * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
1639         alpha_split_tmode_pair.  Add 'mode' and 'fixup_overlap' arguments.
1640         Test against the appropriate null constant for the mode.
1641         If 'fixup_overlap' is true, swap the operands if they overlap.
1642         (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
1643         * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
1644         alpha_split_tmode_pair and adjust for above change.
1645         * config/alpha/alpha.md (movtf_internal): Adjust call to
1646         alpha_split_tfmode_pair and rely on it to swap the operands.
1647         (movti_internal): New insn and post-reload splitter.
1648         (movti): New expander.
1649
1650 2006-01-18  Philippe De Muyter  <phdm@macqel.be>
1651
1652         * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
1653         operands.
1654
1655 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
1656
1657         * rtlanal.c (global_reg_mentioned_p_1,
1658         global_reg_mentioned_p): Remove.
1659         * rtl.h: Remove the prototype for global_reg_mentioned_p.
1660
1661         * flow.c (initialize_uninitialized_subregs): Make it static.
1662         * rtl.h: Remove the prototype for
1663         initialize_uninitialized_subregs.
1664
1665         * function.c (instantiate_virtual_regs): Make it static.
1666         * function.h: Remove the prototype for
1667         instantiate_virtual_regs.
1668
1669         * regmove.c (regmove_optimize, combine_stack_adjustments):
1670         Make them static.
1671         * rtl.h: Remove the prototypes for regmove_optimize and
1672         combine_stack_adjustments.
1673
1674 2006-01-17  Roger Sayle  <roger@eyesopen.com>
1675
1676         * config/i386/i386.c (COSTS_N_BYTES): New macro.
1677         (size_cost): Encode costs in bytes so that a reg-reg addition is
1678         equivalent to COSTS_N_INSNS(1).
1679         (override_options): Use the size_cost.branch_cost as the default
1680         ix86_branch_cost when optimizing for size.
1681
1682 2006-01-18  Ben Elliston  <bje@au.ibm.com>
1683
1684         * Makefile.in (D32PBIT_FUNCS): New.
1685         (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
1686         (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
1687         D64PBIT_FUNCS and D128PBIT_FUNCS.
1688         (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
1689         * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
1690         D128PBIT are set.
1691         (decnumber_dep): Define.
1692         * doc/libgcc.texi (Decimal float library routines): New node.
1693         * config/dfp-bit.h, config/dfp-bit.c: New files.
1694
1695 2006-01-18  Ben Elliston  <bje@au.ibm.com>
1696
1697         * expr.c (emit_move_change_mode): Always adjust addresses, not
1698         just during reload.  Copy replacements only during reload.
1699         (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
1700         emit_move_via_integer.
1701
1702 2006-01-17  Shantonu Sen  <ssen@opendarwin.org>
1703
1704         * Makefile.in (check-%, check-consistency): Use $${srcdir}
1705         instead of $(srcdir) and ${srcdir}.
1706
1707 2006-01-17  Richard Earnshaw  <rearnsha@arm.com>
1708
1709         PR target/592
1710         PR middle-end/11135
1711         * arm.h (struct machine_function): Add pic_reg.
1712         * arm.c (arm_pic_register): Make unsigned.
1713         (arm_override_options): Only set arm_pic_register if
1714         TARGET_SINGLE_PIC_BASE.
1715         (use_return_insn): Only test for a pic register if it is fixed.
1716         (arm_compute_save_reg0_reg12_mask): Likewise.
1717         (thumb_compute_save_reg_mask): Likewise.
1718         (legitimate_pic_operand): Factor out some known invariants.
1719         (legitimize_pic_address): If we don't have a fixed pic register,
1720         then set up a pseudo in the function entry sequence.  Handle the
1721         pic base being in a pseudo.
1722         (arm_load_pic_register): Handle the pic register being in a pseudo.
1723         (arm_expand_prologue): Only set up the pic register if it is fixed.
1724         (thumb_expand_prologue): Likewise.
1725         * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
1726         (pic_load_addr_based_insn): Likewise.
1727         (builtin_setjmp_receiver): Don't restore the pic base if it isn't
1728         fixed.
1729
1730 2006-01-18  Ben Elliston  <bje@au.ibm.com>
1731
1732         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
1733         decimal float modes for all floating point registers.
1734
1735         * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
1736         match_code "mem" with match_test "macho_lo_sum_memory_operand".
1737
1738 2006-01-17  Jakub Jelinek  <jakub@redhat.com>
1739
1740         PR c/25682
1741         * c-typeck.c (build_unary_op): Fold offsetof-like expressions
1742         even when the pointer is not NULL.
1743
1744 2006-01-16  Ian Lance Taylor  <ian@airs.com>
1745
1746         * common.opt (ftoplevel-reorder): New option.
1747         * cgraph.c (cgraph_asm_nodes): New global variable.
1748         (cgraph_asm_last_node): New static variable.
1749         (cgraph_order): New global variable.
1750         (cgraph_create_node): Set new order field.
1751         (cgraph_varpool_node): Likewise.
1752         (decide_is_variable_needed): Return true if not
1753         flag_toplevel_reorder.
1754         (cgraph_add_asm_node): New function.
1755         * cgraph.h (struct cgraph_node): Add order field.
1756         (struct cgraph_varpool_node): Add order field.
1757         (struct cgraph_asm_node): Define.
1758         (cgraph_asm_nodes, cgraph_order): Declare.
1759         (cgraph_add_asm_node): Declare.
1760         * cgraphunit.c (cgraph_varpool_assemble_decl): New static
1761         function.
1762         (cgraph_varpool_assemble_pending_decls): Call it.
1763         (cgraph_output_pending_asms): New static function.
1764         (cgraph_finalize_compilation_unit): Call it.
1765         (struct cgraph_order_sort): Define.
1766         (cgraph_output_in_order): New static function.
1767         (cgraph_optimize): Call cgraph_output_pending_asms.  Add code for
1768         !flag_toplevel_reorder case.
1769         * c-parser.c: Include "cgraph.h".
1770         (c_parser_asm_definition): Call cgraph_add_asm_node rather than
1771         assemble_asm.
1772         * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
1773         than -fno-unit-at-a-time.
1774         * doc/invoke.texi (Option Summary): Mention
1775         -fno-toplevel-reorder.
1776         (Optimize Options): Document -fno-toplevel-reorder.  Mention it in
1777         -funit-at-a-time documentation.
1778
1779 2006-01-17  Hans-Peter Nilsson  <hp@axis.com>
1780             Kazu Hirata  <kazu@codesourcery.com>
1781
1782         * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
1783
1784 2006-01-17  Kazu Hirata  <kazu@codesourcery.com>
1785
1786         * Makefile.in (FUNCTION_H): New.  Use it instead of
1787         function.h throughout the file.
1788         * function.h: Include tree.h.
1789
1790 2006-01-17  Ben Elliston  <bje@au.ibm.com>
1791
1792         * recog.c: Separate some functions with whitespace.
1793
1794 2006-01-16  Richard Henderson  <rth@redhat.com>
1795
1796         Merge from gomp branch:
1797         * Makefile.in (TREE_INLINE_H): New.  Use it as needed.
1798         * tree-inline.h (struct copy_body_data): Move from tree-inline.c
1799         and rename from struct inline_data.  Rename callee* to dst*;
1800         caller* to src*; add copy_decl hook, transform_call_graph_edges,
1801         transform_new_cfg, transform_return_to_modify, and
1802         transform_lang_insert_block flags; remove cloning_p, versioning_p,
1803         update_clones_p.
1804         (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
1805         (copy_decl_for_dup): Remove.
1806         * tree-inline.c (struct inline_data): Move to header.
1807         (insert_decl_map): Export.
1808         (remap_decl): Update for member name changes.  Use copy_decl hook.
1809         Allow for replacement to be a non-decl.  Remove dead code.
1810         (remap_type_1): Check for existing mapping.
1811         (remap_type): Export.
1812         (remap_decls): Update for member name changes.
1813         (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
1814         (copy_body, setup_one_parameter, declare_return_variable): Likewise.
1815         (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
1816         (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
1817         (tree_function_versioning, build_duplicate_type): Likewise.
1818         (copy_body_r): Likewise.  Export.
1819         (copy_decl_for_dup): Split into ...
1820         (copy_decl_for_dup_finish, copy_decl_to_var,
1821         copy_decl_no_change, copy_decl_maybe_to_var): ... these.
1822         (replace_ref_tree, inlining_p): Remove.
1823
1824 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
1825
1826         * ifcvt.c (if_convert): Make it static.
1827         * rtl.h: Remove the prototype for if_convert.
1828
1829         * local-alloc.c (local_alloc): Make it static.
1830         * rtl.h: Remove the prototype for local_alloc.
1831
1832         * loop.c (loop_optimize): Make it static.
1833         * cfgloop.h: Remove the prototype for loop_optimize.
1834         * rtl.h: Likewise.
1835
1836 2006-01-16  DJ Delorie  <dj@redhat.com>
1837
1838         * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
1839         mems.
1840
1841 2006-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1842
1843         * pa.md: Disparage copies between general and floating-point registers
1844         in 32-bit move patterns.
1845
1846 2006-01-16  H.J. Lu  <hongjiu.lu@intel.com>
1847
1848         PR testsuite/25741
1849         * Makefile.in (check-%): Depend on site.exp instead of
1850         $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
1851         directories.
1852
1853 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
1854
1855         * global.c (global_alloc): Make it static.
1856         * rtl.h: Remove the prototype for global_alloc.
1857
1858 2006-01-16  Richard Guenther  <rguenther@suse.de>
1859
1860         * tree-ssa-alias.c (struct used_part): Add write_only field.
1861         (get_or_create_used_part_for): Initialize it to true.
1862         (create_overlap_variables_for): Don't create structure variables
1863         for structures that only are written to.
1864         (find_used_portions): Handle MODIFY_EXPR to track whether a
1865         structure is only written to.
1866
1867 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
1868
1869         * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
1870         static.
1871         * basic-block.h: Remove the prototype for
1872         partition_hot_cold_basic_blocks.
1873
1874 2006-01-16  Rafael Ãvila de Espíndola <rafael.espindola@gmail.com>
1875
1876         * cppspec.c (lang_specific_spec_functions): Remove.
1877         * gcc.c (lookup_spec_function): Use static_spec_functions directly.
1878         * gcc.h (lang_specific_spec_functions): Remove.
1879         * gccspec.c (lang_specific_spec_functions): Remove.
1880
1881 2005-01-16  Paolo Bonzini  <bonzini@gnu.org>
1882
1883         * combine.c (record_value_for_reg): Invalidate registers
1884         if INSN is null.
1885         (record_dead_and_set_regs_1): Likewise, by passing them to
1886         record_value_for_reg.
1887         (record_dead_and_set_regs): Invalidate stores made by a
1888         call.  We do not combine across a call, but we still
1889         relied on equivalences.
1890
1891 2006-01-16  Eric Botcazou  <ebotcazou@adacore.com>
1892
1893         * tree-vrp.c (extract_range_from_binary_expr): Cope with
1894         vrp_int_const_binop returning non-constant nodes.
1895
1896 2006-01-16  Paul Brook  <paul@codesourcery.com>
1897
1898         * config/m68k/m68k.c (output_move_const_into_data_reg):
1899         Output correct mnemonic for mvz and mvs.
1900
1901 2006-01-16  Gabor Loki  <loki@gcc.gnu.org>
1902
1903         * rtl-factoring.c: Add sequence abstraction algorithm.
1904         * cfgcleanup.c (outgoing_edges_match): Extra checks.
1905         (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
1906         ABNORMAL edges.
1907         (block_has_preserve_label): New function.
1908         * common.opt: Register new pass.
1909         * Makefile.in: Ditto.
1910         * passes.c: Ditto.
1911         * timevar.def: Ditto.
1912         * tree-pass.h: Ditto.
1913         * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
1914         * rtl.h (make_jump_insn_raw): Add forward decl.
1915         * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
1916
1917 2006-01-16  Eric Botcazou  <ebotcazou@adacore.com>
1918             Roger Sayle  <roger@eyesopen.com>
1919
1920         * fold-const.c (fold_minmax): New static function.
1921         (fold_binary) <MIN_EXPR>: Call it.
1922         <MAX_EXPR>: Likewise.
1923         * stor-layout.c (place_field): Use DECL_SIZE consistently
1924         in the computation of the new record size.
1925
1926 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
1927
1928         * cse.c (cse_condition_code_reg): Make it static.
1929         * rtl.h: Remove the prototype for cse_condition_code_reg.
1930
1931         * combine.c (combine_instructions): Make it static.
1932         * rtl.h: Remove the prototype for combine_instructions.
1933
1934 2006-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1935
1936         PR target/25168
1937         * tree.c (get_file_function_name_long): Concatenate the first global
1938         object name with a string derived from the input filename of the object
1939         for type "F".
1940
1941 2006-01-16  Ben Elliston  <bje@au.ibm.com>
1942
1943         * config/i386/winnt-stubs.c: Update FSF address.
1944         * config/xtensa/ieee754-df.S: Ditto.
1945         * config/xtensa/ieee754-sf.S: Ditto.
1946
1947 2006-01-14  Ian Lance Taylor  <ian@airs.com>
1948
1949         * ifcvt.c (noce_init_if_info): New static function, broken out of
1950         noce_process_if_block.
1951         (noce_process_if_block): Call noce_init_if_info.
1952         (check_cond_move_block): New static function.
1953         (cond_move_process_if_block): New static function.
1954         (process_if_block): Call cond_move_process_if_block.
1955
1956 2006-01-15  Kazu Hirata  <kazu@codesourcery.com>
1957
1958         * cselib.c (hash_table): Rename to cselib_hash_table.
1959         (cselib_clear_table, discard_useless_values,
1960         remove_useless_values, cselib_lookup_mem, cselib_lookup,
1961         cselib_init, cselib_finish): Adjust uses of hash_table.
1962
1963 2006-01-14  Kazu Hirata  <kazu@codesourcery.com>
1964
1965         PR tree-optimization/25485
1966         * tree-vrp.c (extract_range_from_binary_expr): Handle cases
1967         where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
1968         is known to be false and true, respectively.
1969
1970 2006-01-14  Richard Guenther  <rguenther@suse.de>
1971
1972         PR tree-optimization/22548
1973         PR tree-optimization/22555
1974         PR tree-optimization/22501
1975         * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
1976         * params.def (salias-max-array-elements): New parameter.
1977         * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
1978         * doc/invoke.texi (salias-max-array-elements): Document.
1979         * tree-flow-inline.h (var_can_have_subvars): We also handle
1980         arrays now.
1981         * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
1982         COMPONENT_REF.
1983         * tree-ssa-structalias.c (params.h): Include.
1984         (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
1985         (find_func_aliases): Handle multiple constraints from ARRAY_REF.
1986         (get_constraint_for): For ADDR_EXPR operating on something
1987         containing an ARRAY_REF, add all subvars to the solution.
1988         (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
1989         * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
1990         for creating MUST_DEFs.
1991         (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
1992
1993 2006-01-14  Zdenek Dvorak <dvorakz@suse.cz>
1994
1995         * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
1996         functions.
1997         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
1998         assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1999         number_of_iterations_le): New functions.
2000         (number_of_iterations_special): Removed.
2001         (number_of_iterations_exit): Do not use number_of_iterations_special.
2002         * tree.c (unsigned_type_for): Always return integer type.
2003
2004 2006-01-14  Steven Bosscher  <stevenb.gcc@gmail.com>
2005         Richard Guenther  <rguenther@suse.de>
2006
2007         PR rtl-optimization/24257
2008         * gcse.c (find_moveable_store): Only consider a store movable
2009         when the SET_SRC of the insn can be assigned to a register.
2010
2011 2006-01-14  Ian Lance Taylor  <ian@airs.com>
2012
2013         * tree.c (tree_not_class_check_failed): New function.
2014         * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
2015         (tree_not_class_check_failed): Declare.
2016
2017 2006-01-13  Ian Lance Taylor  <ian@airs.com>
2018
2019         * reload1.c (do_output_reload): Add assertion rejecting a
2020         CALL_INSN.
2021
2022 2006-01-13  Adam Nemet  <anemet@caviumnetworks.com>
2023
2024         * combine.c (struct reg_stat): Add new fields truncation_label and
2025         truncated_to_mode.
2026         (record_value_for_reg): Reset truncated_to_mode.
2027         (record_truncated_value): New function.
2028         (check_promoted_subreg): Call it.  Rename to check_conversions.
2029         (combine_instructions): Rename check_promoted_subreg to
2030         check_conversions.
2031         (reg_truncated_to_mode): New function.
2032         (make_extraction): Use it.  Check TRULY_NOOP_TRUNCATION.
2033         (gen_lowpart_or_truncate): New function.
2034         (force_to_mode): Use it instead of gen_lowpart.
2035
2036 2006-01-13  Diego Novillo  <dnovillo@redhat.com>
2037
2038         * tree-ssa-alias.c (add_type_alias): Fix typo.  Test whether
2039         VAR is a tag, not its type tag.
2040
2041 2006-01-13  Alexandre Oliva  <aoliva@redhat.com>
2042
2043         * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
2044         alternatives to match style of other entries.
2045         (*vec_extractv2di_1_sse): Likewise.  Fix mode attr.
2046
2047 2006-01-13  Daniel Berlin  <dberlin@dberlin.org>
2048
2049         PR tree-optimization/25771
2050         * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
2051         SSA_NAMES.
2052
2053 2006-01-13  Andrew Pinski  <pinskia@physics.uc.edu>
2054
2055         PR tree-opt/24365
2056         * tree-inline.c (declare_return_variable): If the return variable
2057         was marked as a non gimple complex, set the return slot variable
2058         to be a non gimple comple variable.
2059
2060 2006-01-13  Richard Guenther  <rguenther@suse.de>
2061
2062         * builtins.c (expand_builtin_sincos): New function.
2063         (expand_builtin_mathfn_3): Remove dead code, sin and cos
2064         do not set errno.
2065         (expand_builtin): Expand sincos using expand_builtin_sincos.
2066
2067 2006-01-12  DJ Delorie  <dj@redhat.com>
2068
2069         * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
2070         shift counts, separate SI shifts for m32c vs m16c, pass shift type
2071         so that constant shifts can be split.
2072         * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
2073         (m32c_valid_pointer_mode): Make static.
2074         (shift_gen_func_for): New.
2075         (m32c_prepare_shift): Use it.  Split large const shifts into
2076         multiple shifts.
2077         * config/m32c/predicates.md (shiftcount_operand): Allow more
2078         general operands.
2079         (longshiftcount_operand): New.
2080         * doc/md.texi (Machine Constraints): Document In6.
2081
2082 2006-01-13  Ben Elliston  <bje@au.ibm.com>
2083
2084         * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
2085         REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
2086         documentation.
2087
2088 2006-01-12  Daniel Berlin  <dberlin@dberlin.org>
2089
2090         * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
2091         to try to avoid clobbering pieces of structures when we know
2092         something about the whole structure.
2093         * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
2094
2095 2006-01-13  Ben Elliston  <bje@au.ibm.com>
2096
2097         * doc/rtl.texi (Insns): Remove statement that libcalls cannot
2098         return in memory, as this is no limitation is no longer present.
2099
2100 2006-01-12  DJ Delorie  <dj@redhat.com>
2101
2102         * config/m32c/addsub.md (addhi3): Add two more alternatives, for
2103         mova with fb, and for fb+0 -> An.
2104
2105         * config/m32c/mov.md (peephole2): Fix enabling logic.
2106
2107         * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
2108         DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
2109         DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
2110         FINI_ARRAY_SECTION_ASM_OP): Define.
2111
2112         * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
2113         variable.
2114         (m32c_legitimize_reload_address): New logic to reload FB to An.
2115         (m32c_output_reg_push): Add newline.
2116         (m32c_output_reg_pop): Likewise.
2117
2118 2006-01-12  Ulrich Weigand  <uweigand@de.ibm.com>
2119
2120         * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
2121
2122 2006-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
2123
2124         * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
2125
2126 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
2127
2128         * config/sh/predicates.md (sh_rep_vec): Add parallel to
2129         match_code.
2130
2131 2006-01-11  Ben Elliston  <bje@au.ibm.com>
2132
2133         * rtlanal.c (find_reg_note): Assert insn is not null.
2134
2135 2005-01-11  Kenneth Zadeck <zadeck@naturalbridge.com>
2136
2137         * df-scan.c (df_hard_reg_init): Move declaration of i outside
2138         ifdef.
2139
2140 2006-01-11  Jeff Law  <law@redhat.com>
2141
2142         * tree-ssa-threadupdate.c (threaded_edges): New VEC to
2143         hold edge pairs.
2144         (mark_threaded_blocks, register_jump_thread): New functions.
2145         (thread_through_all_blocks): Remove unwanted argument.  No
2146         longer rely on e->aux to communicate thread target info.
2147         Call mark_threaded_blocks.  Release the threaded_blocks
2148         bitmap and threaded_edges vector when complete.
2149         * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
2150         (threaded_blocks): Remove.
2151         (tree_ssa_dominator_optimize): Remove initialization and
2152         finalization of threaded_blocks.  Simplify call to
2153         thread_through_all_blocks.
2154         (thread_across_edge): Call register_jump_thread rather than
2155         storing thread information into e->aux.
2156         (free_all_edge_infos): Simplify now that e->aux is no longer
2157         used to communicate with thread_through_all_blocks.
2158         * tree-flow.h (thread_through_all_blocks): Update prototype.
2159         (register_jump_thread): Prototype.
2160
2161 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
2162
2163         * df-core.c (df_compact_blocks, df_bb_replace): Use
2164         SET_BASIC_BLOCK instead of BASIC_BLOCK.
2165
2166 2006-01-11  Richard Guenther  <rguenther@suse.de>
2167
2168         PR tree-optimization/25734
2169         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
2170         stop propagation after successful propagation to the LHS.
2171
2172 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
2173
2174         * basic-block.h (control_flow_graph): Change the type of
2175         x_basic_block_info to VEC(basic_block,gc) *.
2176         (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
2177         basic_block_info.
2178         (SET_BASIC_BLOCK): New.
2179         * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
2180         instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
2181         * cfgbuild.c (find_basic_blocks): Likewise.
2182         * cfglayout.c (fixup_reorder_chain): Likewise.
2183         * cfgrtl.c (create_basic_block_structure,
2184         rtl_create_basic_block): Likewise.
2185         * ifcvt.c (find_if_case_1): Likewise.
2186         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
2187         Likewise.
2188
2189 2005-01-11  Kenneth Zadeck <zadeck@naturalbridge.com>
2190
2191         * Makefile.in: Removed rotted odf.c entry.
2192
2193 2006-01-11  Hans-Peter Nilsson  <hp@axis.com>
2194
2195         PR target/25706
2196         * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
2197         ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
2198         ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
2199         output pattern modifier, not %e.
2200         * config/cris/cris.c (cris_op_str): Update comment about pattern
2201         modifier.
2202         (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
2203         before falling through into...
2204         <case 'E'>: Redefined from old 'e' case.
2205
2206 2006-01-11  Jan Hubicka  <jh@suse.cz>
2207
2208         PR target/25042
2209         * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
2210
2211 2006-01-11  Jan Hubicka  <jh@suse.cz>
2212
2213         * i386.h (TARGET_DECOMPOSE_LEA): Kill.
2214         * i386.c (x86_decompose_lea): Kill.
2215         (ix86_rtx_costs): Kill.
2216
2217 2006-01-11  Jan Hubicka  <jh@suse.cz>
2218
2219         * cgraph.c (cgraph_insert_node_to_hashtable): New function.
2220         * cgraph.h (cgraph_node): Add inline_decl.
2221         (cgraph_insert_node_to_hashtable): Declare.
2222         (save_inline_function_body): Declare.
2223         * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
2224         clones.
2225         (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
2226         (cgraph_function_versioning): Update call of tree_function_versioning.
2227         (save_inline_function_body): New function.
2228         * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
2229         saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
2230         * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
2231         (cgraph_default_inline_p): Likewise.
2232         (cgraph_decide_inlining_incrementally): Likewise.
2233         * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
2234         (copy_bb): Kill saving; do updating of clones.
2235         (copy_cfg_body): Kill saving.
2236         (initialize_inlined-parameters): Likewise.
2237         (expand_call_inline): Likewise.
2238         (save_body): Kill.
2239         (tree_function_versioning): New parameter "update_clones".
2240         (inlining_p): Kill saving.
2241         * tree-inline.h (tree_function_versioning): Update prototype.
2242         * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
2243         saving.
2244
2245 2006-01-11  Ian Lance Taylor <ian@airs.com>
2246
2247         * combine.c (struct undo): Remove is_int.  Enumify types of undos.
2248         Allow undoing set of machine mode.
2249         (do_SUBST): Use enums instead of is_int.
2250         (do_SUBST_MODE): New function.
2251         (SUBST_MODE): New macro.
2252         (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
2253         reg and trying to replace reg_regno_rtx with a new register.
2254         (undo_all): Use new enums, handle undoing a PUT_MODE change.
2255         (simplify_set): Use SUBST_MODE.
2256         (distribute_notes): Remove code that tried to update reg notes
2257         for regno_reg_rtx changes.
2258
2259 2006-01-11  Paolo Bonzini  <bonzini@gnu.org>
2260
2261         PR tree-optimization/23109
2262         PR tree-optimization/23948
2263         PR tree-optimization/24123
2264
2265         * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
2266         * tree-cfg.c (single_noncomplex_succ): New.
2267         * tree-flow.h (single_noncomplex_succ): Declare it.
2268         * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2269         * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2270         (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
2271         insert_bb, register_division_in, insert_reciprocals,
2272         replace_reciprocal, free_bb): New.
2273         (execute_cse_reciprocals_1): Rewritten.
2274         (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
2275         Do not commit any edge insertion.  Always compute dominators and
2276         create the allocation pool.
2277         * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
2278         * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
2279         * targhooks.c (default_min_divistions_for_recip_mul): New.
2280         * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
2281         * passes.c (init_optimization_passes): Run recip after tree loop
2282         optimizations.
2283         * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
2284
2285 2005-01-11  Danny Berlin <dberlin@dberlin.org>
2286             Kenneth Zadeck <zadeck@naturalbridge.com>
2287
2288         * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
2289         DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
2290         DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
2291         DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
2292         DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
2293         DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
2294         DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
2295         DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
2296         DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
2297         DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
2298         DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
2299         DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
2300         DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
2301         DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
2302         DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
2303         DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
2304         DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
2305         DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
2306         DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
2307         DF_SCAN_POST_ALLOC): New macros.
2308         (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
2309         df_free_bb_function, df_local_compute_function, df_init_function,
2310         df_dataflow_function, df_confluence_function_0,
2311         df_confluence_function_n, df_transfer_function,
2312         df_finalizer_function, df_free_function, df_dump_problem_function,
2313         df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
2314         df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
2315         df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
2316         df_urec_bb_info, ) New types.
2317         (df_invalidated_by_call, df_all_hard_regs, df_state) New public
2318         variables.
2319         (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
2320         df_analyze_simple_change_some_blocks,
2321         df_analyze_simple_change_one_block, df_compact_blocks,
2322         df_bb_replace, df_bb_regno_last_use_find,
2323         df_bb_regno_first_def_find, df_bb_regno_last_def_find,
2324         df_insn_regno_def_p, df_find_def, df_find_use,
2325         df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
2326         df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
2327         df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
2328         debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
2329         debug_df_chain, df_get_dependent_problem, df_chain_create,
2330         df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
2331         df_grow_bb_info, df_chain_dump, df_print_bb_index,
2332         df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
2333         df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
2334         df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
2335         df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
2336         df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
2337         df_rescan_blocks, df_ref_create, df_get_artificial_defs,
2338         df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
2339         df_ref_remove, df_insn_refs_delete, df_refs_delete,
2340         df_reorganize_refs, df_set_state, df_hard_reg_init,
2341         df_read_modify_subreg_p) New public functions.
2342         * df-core.c: The core dataflow solver and glue routines for rtl
2343         dataflow.
2344         (df_init, df_add_problem, df_set_blocks, df_finish,
2345         df_hybrid_search_forward, df_hybrid_search_backward,
2346         df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
2347         df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
2348         df_bb_regno_last_use_find, df_bb_regno_first_def_find,
2349         df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
2350         df_reg_defined, df_find_use, df_reg_used, df_dump,
2351         df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
2352         df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
2353         debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
2354         debug_df_useno, reset_df_after_reload): New functions.
2355         * df-scan.c: The scanning fuctions, once in df.c, completely
2356         rewritten so that they now fully model the functionality of
2357         register usage at the backend.
2358         (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
2359         df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
2360         df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
2361         df_grow_insn_info, df_rescan_blocks, df_ref_create,
2362         df_get_artificial_defs, df_get_artificial_uses,
2363         df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
2364         df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
2365         df_refs_delete, df_reorganize_refs, df_set_state,
2366         df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
2367         df_def_record_1, df_defs_record, df_uses_record,
2368         df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
2369         df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
2370         df_record_exit_block_uses, df_hard_reg_init): New functions.
2371
2372         * df-problems.c: Seven concrete dataflow problems that use the
2373         scanning in df-scan.c and are solved by the engine in df-core.c.
2374         (df_get_dependent_problem, df_chain_create, df_chain_unlink,
2375         df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
2376         df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
2377         df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
2378         df_ru_free_bb_info, df_ru_alloc,
2379         df_ru_bb_local_compute_process_def,
2380         df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
2381         df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
2382         df_ru_transfer_function, df_ru_free, df_ru_dump,
2383         df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
2384         df_rd_free_bb_info, df_rd_alloc,
2385         df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
2386         df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
2387         df_rd_transfer_function, df_rd_free, df_rd_dump,
2388         df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
2389         df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
2390         df_lr_local_compute, df_lr_init, df_lr_confluence_0,
2391         df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
2392         df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
2393         df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
2394         df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
2395         df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
2396         df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
2397         df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
2398         df_urec_mark_reg_change, df_urec_check_earlyclobber,
2399         df_urec_mark_reg_use_for_earlyclobber,
2400         df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
2401         df_urec_local_compute, df_urec_init, df_urec_local_finalize,
2402         df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
2403         df_urec_dump, df_urec_add_problem, df_chain_alloc,
2404         df_chain_create_bb_process_use, df_chain_create_bb,
2405         df_chain_finalize, df_chain_free, df_chains_dump,
2406         df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
2407         df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
2408         df_reg_lifetime): New functions.
2409         * df.c: Deleted file.
2410         * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
2411         consistent with new df api.
2412         * modulo-sched.c (sms_schedule, rest_of_handle_sms,
2413         rest_of_handle_sms): Ditto.
2414         * web.c (unionfind_union, union_defs, entry_register, web_main):
2415         Ditto.
2416         * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
2417         invariant_expr_equal_p, find_defs, check_dependencies,
2418         find_invariant_insn, find_invariants_to_move, move_invariant_reg,
2419         free_inv_motion_data, move_loop_invariants): Ditto.
2420         * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
2421         Update dependencies.
2422         (odf.c): Added defective entry that was deleted later in day.
2423         * sched-deps.c (sched_analyze_1): Ditto.
2424
2425 2006-01-11  Zdenek Dvorak <dvorakz@suse.cz>
2426
2427         * tree-ssa-operands.c (get_expr_operands): Record addressable
2428         variables directly.  Do not call add_stmt_operands for CONST_DECLs
2429         and ARRAY_DECLs.
2430         (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
2431         (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
2432
2433 2006-01-11  Ben Elliston  <bje@au.ibm.com>
2434
2435         * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
2436         function returns true in the positive case.
2437
2438 2006-01-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2439
2440         PR target/20754
2441         * config/pa/pa.md: Create separate 32 and 64-bit move patterns
2442         for SI, DI, SF and DF modes.  Add alternatives to copy between
2443         general and floating point registers to the 32-bit patterns.
2444         * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
2445         * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
2446         (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
2447         generating 64-bit code.
2448         * config/pa/pa.c (output_move_double): Handle copies between general
2449         and floating registers.
2450
2451 2006-01-10  Stuart Hastings  <stuart@apple.com>
2452
2453         * config/i386/i386.md (set_got): Update.
2454         (set_got_labelled): New.  (UNSPEC_LD_MPIC): New.
2455         (builtin_setjmp_receiver): Mach-O support.
2456         * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
2457         (GOT_SYMBOL_NAME): Define.
2458         (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
2459         (TARGET_DEEP_BRANCH_PREDICTION): Remove.
2460         * config/i386/i386.c (override_options): Revise for Darwin.
2461         (USE_HIDDEN_LINKONCE): Enable for Mach-O.  (ix86_file_end): Mach-O
2462         support.  (darwin_x86_file_end): New.  (output_set_got): Add label
2463         parameter, revise for Mach-O.  (x86_output_mi_thunk): Likewise.
2464         * config/i386/i386-protos.h (output_set_got): Likewise.
2465         * config/darwin.c (machopic_legitimize_pic_address): Update
2466         regs_ever_live[].
2467
2468 2006-01-10  Kaz Kojima  <kkojima@gcc.gnu.org>
2469
2470         * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
2471         when MODE isn't BLKmode.
2472
2473 2006-01-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
2474
2475         PR rtl-optimization/25367
2476         * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
2477
2478 2006-01-10  Hans-Peter Nilsson  <hp@axis.com>
2479
2480         PR target/25718
2481         * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
2482         for a negative bound.
2483
2484 2006-01-10  Richard Guenther  <rguenther@suse.de>
2485
2486         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2487         Never override with anything constraint.
2488
2489 2006-01-10  Jan Beulich  <jbeulich@novell.com>
2490
2491         * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
2492         256 bits when optimize_size.
2493
2494 2006-01-10  Jan Beulich  <jbeulich@novell.com>
2495
2496         * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
2497         MASK_ALIGN_DOUBLE.
2498         * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
2499         * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
2500         arguments.
2501
2502 2006-01-10  Ben Elliston  <bje@au.ibm.com>
2503
2504         * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
2505         float modes.
2506         * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
2507         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2508         (USE_FP_FOR_ARG): Reject decimal float modes.
2509         (function_arg_advance): Likewise.
2510         (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
2511         (rs6000_handle_altivec_attribute): Do not permit decimal floating
2512         point types in AltiVec vectors.
2513         (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
2514         (rs6000_libcall_value): Likewise.
2515
2516 2006-01-09  Bob Wilson  <bob.wilson@acm.org>
2517
2518         * config/xtensa/ieee754-df.S: New file.
2519         * config/xtensa/ieee754-sf.S: New file.
2520         * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
2521         (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
2522         * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
2523
2524 2006-01-09  Kazu Hirata  <kazu@codesourcery.com>
2525
2526         * config/sh/predicates.md (binary_float_operator,
2527         binary_logical_operator, commutative_float_operator,
2528         equality_comparison_operator, greater_comparison_operator,
2529         less_comparison_operator, logical_operator,
2530         noncommutative_float_operator, shift_operator,
2531         symbol_ref_operand, unary_float_operator): Remove redundant
2532         conditionals.
2533
2534 2006-01-09  Jeff Law  <law@redhat.com>
2535
2536         * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
2537         code to propagate the RHS of a cast into COND_EXPR_COND.  Remove
2538         now unused arguments.  Callers updated.
2539         (eliminate_redundant_computations): Remove now unused arguments,
2540         callers updated.
2541         (local_fold): Remove, no longer used.
2542         (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
2543         and moved to...
2544         * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
2545         (simplify_cond): New function.
2546         (forward_propagate_into_cond): Call simplify_cond.
2547
2548 2006-01-09  Alexandre Oliva  <aoliva@redhat.com>
2549
2550         * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
2551         (*vec_extractv2di_1_sse): New.
2552
2553 2006-01-09  Ben Elliston  <bje@au.ibm.com>
2554
2555         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
2556
2557 2006-01-08  Richard Guenther  <rguenther@suse.de>
2558
2559         * tree-ssa-structalias.c (get_constraint_for): Remove
2560         anyoffset argument.
2561         (get_constraint_for_component_ref): Likewise.
2562         (do_deref): Likewise.
2563         (get_constraint_for): Likewise.
2564         (do_structure_copy): Likewise.
2565         (handle_ptr_arith): Likewise.
2566         (find_func_aliases): Likewise.  Remove unused need_anyoffset
2567         variable.
2568
2569 2006-01-08  J"orn Rennecke  <joern.rennecke@st.com>
2570             Kaz Kojima  <kkojima@gcc.gnu.org>
2571
2572         * config/sh/sh.h (CONST_OK_FOR_K16): Define.
2573         (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
2574         (EXTRA_CONSTRAINT_C16): Remove.
2575         (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
2576         (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
2577         EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
2578         * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
2579         constants of SHmedia.  Handle nested constant expressions of
2580         SHmedia correctly.
2581         (andcosts): Fix the costs for SHmedia constants.
2582         (sh_rtx_costs): Take account of outer_code for SHmedia constants.
2583         * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
2584         (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
2585         (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
2586         (movv4hi_i, movv2si_i): Likewise.
2587         (movsi_const): Adjust the second operand of ior so to match with
2588         the Csu constraint.
2589         (movdi_const, movdi_const_32bit): Likewise.
2590         (movdi_const_16bit+1): Don't sign-extend LOW.
2591         (movdi_const_16bit+2): Likewise.  Remove the zero_extend and truncate
2592         step.
2593         (*double_shori): Fix the split condition.  Use GEN_INT instead
2594         of get_int_mode calls.  Mask lower 16-bit of the argument of
2595         the last GEN_INT.
2596         (sym2GOTPLT): Remove.
2597         (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
2598         gen_rtx_UNSPEC.
2599         * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
2600         instead of EXTRA_CONSTRAINT_C16.
2601
2602 2006-01-07  Ian Lance Taylor  <ian@airs.com>
2603             David Edelsohn  <edelsohn@gnu.org>
2604
2605         PR rtl-optimization/25662
2606         * optabs.c (simplify_expand_binop): Use simplify_binary_operation
2607         for constant operands instead of simplify_gen_binary.
2608         * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
2609         after trying simplify_binary_operation
2610
2611 2006-01-06  Daniel Berlin  <dberlin@dberlin.org>
2612
2613         * tree.c (iterative_hash_expr): Hash decls based on UID.
2614
2615 2006-01-06  Eric Christopher  <echristo@apple.com>
2616
2617         * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
2618         (TARGET_UNWIND_EMIT): Fix spelling.
2619         * target.h (gcc_target): Add except_table_label.
2620         * except.c (output_function_exception_table): Use.
2621         * varasm.c (default_emit_except_table_label): New.
2622         * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
2623         define.
2624         (asm_out): Add here.
2625         * output.h (default_emit_except_table_label): Prototype.
2626         * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
2627         * config/darwin.c (darwin_emit_except_table_label): Define.
2628         * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
2629
2630 2006-01-06  Zdenek Dvorak <dvorakz@suse.cz>
2631
2632         PR tree-optimization/18527
2633         * tree-ssa-loop-niter.c (number_of_iterations_cond,
2634         number_of_iterations_special, number_of_iterations_exit):
2635         Move base and step of an iv to a single structure.  Add
2636         no_overflow flag, and use it in # of iterations analysis.
2637         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
2638         folded_casts argument.
2639         (simple_iv): Pass base and step in a structure.  Set no_overflow
2640         flag.
2641         (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
2642         Evaluate expensiveness of computing # of iterations instead of
2643         the final expression.
2644         * tree-scalar-evolution.h (affine_iv): New structure.
2645         (simple_iv): Declaration changed.
2646         * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
2647         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
2648         find_givs_in_stmt): Changed due to simple_iv change.
2649
2650 2006-01-06  Jeff Law  <law@redhat.com>
2651
2652         PR ada/24994
2653         * tree-cfg.c (bsi_replace): Rename final argument from
2654         PRESERVE_EH_INFO to UPDATE_EH_INFO.  Fix typo in last
2655         change (stmt -> orig_stmt).
2656         * tree-eh.c (verify_eh_throw_stmt_node): New function.
2657         (bsi_remove): Add new argument.  Remove EH information
2658         if requested.
2659         (verify_eh_throw_table_statements): New function.
2660         (bsi_remove): Add new argument REMOVE_EH_INFO.  All callers
2661         updated.
2662         * tree-optimize.c (execute_free_cfg_annotations): Verify
2663         the EH throw statement table after removing annotations.
2664         * except.h (verify_eh_throw_table_statements): Prototype.
2665         * tree-flow.h (bsi_remove): Update prototype.
2666         * tree-vrp.c (remove_range_assertions): Add new argument to
2667         bsi_remove call.
2668         * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
2669         * tree-complex.c (expand_complex_div_wide): Likewise.
2670         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
2671         * tree-tailcall.c (eliminate_tailcall): Likewise.
2672         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
2673         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
2674         * tree-nrv.c (tree_nrv): Likewise.
2675         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
2676         * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
2677         (combine_blocks): Likewise.
2678         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
2679         * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
2680         (cleanup_control_flow): Likewise.
2681         (remove_forwarder_block): Likewise.
2682         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
2683         * tree-sra.c (sra_replace): Likewise.
2684         * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
2685         (forward_propagate_single_use_vars): Likewise.
2686         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
2687         * tree-inline.c (expand_call_inline): Likewise.
2688         * tree-vect-transform.c (vect_transform_loop): Likewise.
2689         * tree-outof-ssa.c (rewrite_trees): Likewise.
2690         * tree-cfg.c (make_goto_expr_edges): Likewise.
2691         (cleanup_dead_labels): Likewise.
2692         (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
2693         (bsi_move_before, bsi_move_after): Likewise.
2694         (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
2695         (tree_redirect_edge_and_branch, tree_split_block): Likewise.
2696
2697 2006-01-06  Andrew Pinski  <pinskia@physics.uc.edu>
2698
2699         PR tree-opt/25528
2700         * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
2701         and IMAGPART_EXPR.
2702         * tree-flow-inline.h (var_can_have_subvars): Handle complex types
2703         on non gimple variables.  Also add checks at the top for decls and
2704         mtags.
2705         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
2706         complex types.
2707         * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
2708         and IMAGPART_EXPR for creating MUST_DEFs.
2709         (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
2710         and NAME_MEMORY_TAG separately from the DECLs.
2711
2712 2006-01-06  Richard Guenther  <rguenther@suse.de>
2713
2714         * tree-dfa.c (mark_new_vars_to_rename): Create stmt
2715         annotation, if necessary.
2716         * tree-ssa-pre.c (create_expression_by_pieces): Remove
2717         redundant calls to update_stmt.
2718         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
2719         Likewise.
2720
2721 2006-01-05  Richard Henderson  <rth@redhat.com>
2722
2723         * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
2724
2725 2006-01-05  Carlos O'Donell  <carlos@codesourcery.com>
2726
2727         * c-typeck.c: Update copyright date.
2728
2729 2006-01-05  Carlos O'Donell  <carlos@codesourcery.com>
2730
2731         * c-typeck.c (build_c_cast): Always warn when casting
2732         from a pointer to an integer of different size, even if
2733         the node was constant.
2734
2735 2006-01-05  Richard Guenther  <rguenther@suse.de>
2736
2737         PR tree-optimization/22555
2738         * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
2739         if one structure field is an array.
2740         * tree-ssa-operands.c (get_expr_operands): Continue scanning
2741         operands even if we found a subvar, but ignore VOPs in this
2742         case.
2743         * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
2744         for renaming.
2745         * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
2746
2747 2006-01-05  Richard Earnshaw  <rearnsha@arm.com>
2748
2749         PR middle-end/24998
2750         * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
2751
2752 2006-01-05  Richard Guenther  <rguenther@suse.de>
2753             Diego Novillo  <dnovillo@redhat.com>
2754
2755         * tree-pass.h (TODO_remove_unused_locals): Define.
2756         * gimple-low.c (expand_var_p, remove_useless_vars,
2757         pass_remove_useless_vars): Remove.  Update all users.
2758         * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
2759         (remove_unused_locals): New function.
2760         * tree-flow.h (remove_unused_locals): Declare.
2761         * passes.c (execute_todo): Call remove_unused_locals if
2762         TODO_remove_unused_locals is set.
2763         * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
2764         * tree-ssa-dce.c (pass_dce): Likewise.
2765         * tree-outof-ssa.c (pass_del_ssa): Likewise.
2766
2767 2006-01-05  Richard Guenther  <rguenther@suse.de>
2768
2769         * tree-flow.h (struct fieldoff): Decompose field to
2770         type, size and decl.
2771         * tree-ssa-alias.c (create_sft): Take type as parameter.
2772         (create_overlap_variables_for): Store type, size and decl
2773         in the fieldoff structure.
2774         * tree-ssa-structalias.c (fieldoff_compare): Adjust users
2775         of struct fieldoff.
2776         (push_fields_onto_fieldstack): Likewise.
2777         (create_variable_info_for): Likewise.  Use offset for the
2778         SFT name if the decl is not available.
2779
2780 2006-01-04  Paul Brook  <paul@codesourcery.com>
2781
2782         * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
2783
2784 2006-01-04  Daniel Berlin  <dberlin@dberlin.org>
2785
2786         * lambda-code.c (can_put_in_inner_loop): Relax
2787         restrictions.
2788         (can_put_after_inner_loop): New function.
2789         (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
2790         (perfect_nestify): Change to make copies and modify uses.
2791
2792 2006-01-04  Richard Henderson  <rth@redhat.com>
2793
2794         Merge from gomp branch:
2795         * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
2796         via integer constant.
2797         (pragma_lex): Remove.
2798         * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
2799         rather than parsing it.
2800         * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
2801         handle_pragma_extern_prefix): Add %< %> quotes.
2802         (registered_pragmas): New.
2803         (c_register_pragma_1): New.
2804         (c_register_pragma): Use it.
2805         (c_register_pragma_with_expansion): Likewise.
2806         (c_invoke_pragma_handler): New.
2807         (init_pragma): Use cpp_register_deferred_pragma directly for
2808         pch_preprocess.
2809         * c-pragma.h (enum pragma_kind): New.
2810         (pragma_handler): New.
2811         (c_invoke_pragma_handler): Declare.
2812         * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
2813         CPP_PRAGMA_EOL.
2814         * c-common.h (c_common_pch_pragma): Update decl.
2815         * Makefile.in (c-parser.o): Update dependencies.
2816         (GTFILES): Add c-pragma.h.
2817         * c-parser.c (struct c_token): Add pragma_kind.
2818         (struct c_parser): Add in_pragma.
2819         (c_lex_one_token): Always initialize keyword and pragma_kind.
2820         Extract data for CPP_PRAGMA.
2821         (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
2822         (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
2823         Don't allow CPP_PRAGMA_EOL if in_pragma.
2824         (c_parser_consume_pragma): New.
2825         (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
2826         (c_parser_skip_to_end_of_parameter): Likewise.
2827         (c_parser_skip_to_end_of_block_or_statement): Likewise.
2828         (c_parser_skip_to_pragma_eol): New.
2829         (c_parser_external_declaration): Handle CPP_PRAGMA.
2830         (c_parser_compound_statement_nostart): Likewise.
2831         (c_parser_statement_after_labels): Likewise.
2832         (c_parser_pragma): New.
2833         (pragma_lex): Likewise.
2834         (c_parser_pragma_pch_preprocess): New.
2835         (c_parser_new): Merge into ...
2836         (c_parse_file): ... here.  Call c_parser_pragma_pch_preprocess.
2837
2838 2006-01-04  Jeff Law  <law@redhat.com>
2839
2840         PR ada/24994
2841         * tree-cfg.c (bsi_replace): Remove the original statement
2842         from the EH throw statement table.
2843
2844 2006-01-04  Jakub Jelinek  <jakub@redhat.com>
2845
2846         * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
2847         make the prototype extern "C" and add throw ().
2848
2849         PR target/25554
2850         * config/i386/i386.md (testqi_ext_3): Ensure len is positive
2851         and pos non-negative and pos + len <= 32.
2852         (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
2853         drop pos + len < HOST_BITS_PER_WIDE_INT test.
2854         (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
2855
2856         PR c/25559
2857         * c-common.c (handle_vector_size_attribute): Reject zero vector size
2858         as well as sizes not multiple of component size.
2859
2860         PR debug/25562
2861         * function.c (instantiate_expr): New function.
2862         (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
2863         walk its DECL_VALUE_EXPR with instantiate_expr.
2864
2865         * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
2866         DW_OP_deref{,_size} if address isn't going to be added.
2867
2868 2006-01-04  Ben Elliston  <bje@au.ibm.com>
2869
2870         * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
2871         * config/fp-bit.c: Likewise.
2872
2873 2006-01-03  Daniel Berlin  <dberlin@dberlin.org>
2874
2875         * dominance.c: Add comment about why we use DFS numbering
2876         of dominance tree.
2877
2878 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
2879             Richard Henderson  <rth@redhat.com>
2880
2881         Merge from gomp-branch:
2882         * varasm.c (assemble_variable): Handle thread-local COMMON data.
2883         * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
2884
2885 2006-01-03  Paolo Bonzini  <bonzini@gnu.org>
2886
2887         PR rtl-optimization/25578
2888         * combine.c (combine_simplify_rtx, force_to_mode): Don't
2889         pass a parameter to simplify_shift_const if changing ASHIFTRT
2890         to LSHIFTRT.
2891
2892 2006-01-03  Adrian Straetling  <straetling@de.ibm.com>
2893
2894         * builtins.c (get_builtin_sync_mem): New function.
2895         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
2896         expand_builtin_lock_test_and_set, expand_builtin_lock_release):
2897         Call get_builtin_sync_mem to generate mem rtx.
2898
2899 2006-01-03  Richard Guenther  <rguenther@suse.de>
2900
2901         PR c/25183
2902         * stmt.c (add_case_node): Make sure to clear overflow flags
2903         from ranges.
2904
2905 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
2906
2907         Merge from gomp-branch.
2908         * config/sparc/sync.md: New file.
2909         * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
2910         UNSPECV_LDSTUB): New constants.
2911         * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
2912         * config/sparc/predicates.md (memory_reg_operand): New predicate.
2913         * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
2914         prototype.
2915
2916 2006-01-03  Roger Sayle  <roger@eyesopen.com>
2917
2918         * combine.c (reg_subword_p): New predicate to test whether the
2919         destination of a set refers to a subword/piece of a register.
2920         (try_combine): Generalize the code to merge the setting of a
2921         pseudo to a constant followed by a set of a subword of that
2922         register to a constant.
2923
2924 2006-01-03  Kazu Hirata  <kazu@codesourcery.com>
2925
2926         * basic-block.h (control_flow_graph): Change the type of
2927         x_label_to_block_map to VEC(basic_block,gc) *.
2928         * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
2929         set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
2930
2931         * tree-ssa-propagate.c (cfg_blocks): Change the type to
2932         VEC(basic_block,heap) *.
2933         (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
2934         ssa_prop_fini): Adjust the uses of cfg_blocks.
2935
2936 2006-01-03  Steven Bosscher  <stevenb.gcc@gmail.com>
2937
2938         * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
2939         COMPONENT_REFs.
2940         * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
2941         hashing trees instead of a pointer hash.
2942         (mem_attrs_htab_eq): Do a deep compare instead of a pointer
2943         compare for MEM_EXPR.
2944
2945         PR rtl-optimization/25130
2946         * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
2947         when comparing MEMs for GCSE
2948
2949 2006-01-03  Ben Elliston  <bje@au.ibm.com>
2950
2951         * targhooks.h (default_decimal_float_supported_p): Declare.
2952         * targhooks.c (default_decimal_float_supported_p): Define.
2953         * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
2954         `default_decimal_float_supported_p'.
2955         * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
2956
2957 2006-01-02  Adam Nemet  <anemet@caviumnetworks.com>
2958
2959         * combine.c (apply_distributive_law <SUBREG>): Check
2960         TRULY_NOOP_TRUNCATION.
2961
2962 2006-01-02  Geoffrey Keating  <geoffk@apple.com>
2963
2964         * dwarf2out.c (have_switched_text_section): Delete.
2965         (have_multiple_function_sections): New.
2966         (have_location_lists): Make 'bool'.
2967         (add_AT_loc_list): Use 'true' not '1'.
2968         (dwarf2out_switch_text_section): Set have_multiple_function_sections.
2969         (output_loc_list): Use have_multiple_function_sections.
2970         (output_ranges): Likewise.
2971         (dwarf2out_begin_function): Set have_multiple_function_sections if
2972         necessary.
2973         (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
2974         Check function_section rather than DECL_SECTION_NAME.
2975         (dwarf2out_finish): Use have_multiple_function_sections.
2976         Don't clear have_location_lists.
2977
2978 2006-01-02  Eric Botcazou  <ebotcazou@adacore.com>
2979             Jan Hubicka  <jh@suse.cz>
2980
2981         * cfglayout.c (fixup_reorder_chain): Remove kludge for the
2982         case of conditional jump jumping to the next instruction.
2983         * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
2984         cases of conditional jump jumping to the next instruction.
2985
2986 2006-01-02  Jan Hubicka  <jh@suse.cz>
2987
2988         * i386.c (*_cost): Add COSTS_N_INSNS.
2989         (ix86_rtx_costs): Do not use COSTS_N_INSNS.
2990
2991 2006-01-02  Paolo Bonzini  <bonzini@gnu.org>
2992
2993         PR target/25259
2994         * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
2995
2996 2006-01-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2997
2998         * config/arm/arm.c (all_fpus): Fix comment typo.
2999         * config/darwin.c: Likewise.
3000         * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
3001         * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
3002         * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
3003
3004 2006-01-01  David Edelsohn  <edelsohn@gnu.org>
3005
3006         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
3007         (rs6000_split_compare_and_swapqhi): New.
3008         * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
3009         (sync_compare_and_swapqhi_internal): New.
3010         * config/rs6000/rs6000-protos.h: Declare.