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1 2006-01-26  Steve Ellcey  <sje@cup.hp.com>
2
3         PR target/25961
4         * Makefile.in (insn-automata.o): Add -Wno-error flag.
5
6 2006-01-26  Paolo Bonzini  <bonzini@gnu.org>
7
8         * configure.ac: Expect target tools paths to be passed from the toplevel
9         and wrap the detection into AS_SET_VAR_IF.  Extract side-effects out of
10         AS_SET_VAR_IF.
11         * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
12
13 2006-01-26  Alexandre Oliva  <aoliva@redhat.com>
14
15         PR c/25892
16         * c.opt (Wpointer-sign): Init to -1.
17         * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
18         OPT_pedantic, to 0 otherwise.
19         * doc/invoke.texi: Update.
20
21 2006-01-26  Paolo Bonzini  <bonzini@gnu.org>
22
23         * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
24         constants provided by 80387 instructions in the destination mode.
25
26 2006-01-26  Richard Guenther  <rguenther@suse.de>
27             Andrew Pinski  <pinskia@physics.uc.edu>
28
29         PR tree-opt/21470
30         partial PR tree-opt/17064
31         * tree-ssa-structalias.c (intra_create_variable_infos):
32         Create heap variables for incoming parameters if
33         flag_argument_noalias > 1.
34         (find_what_p_points_to): Look through default defs of
35         parameter decls.
36
37 2006-01-26  Jeff Law  <law@redhat.com>
38
39         PR ada/25900
40         * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
41         with a VR_ANTI_RANGE and the VR_ANTI_RANGEis completely contained
42         within the VR_RANGE, use the VR_RANGE as the result, not the
43         VR_ANTI_RANGE.
44         (adjust_range_with_scev): Reject ranges from SCEV which are out
45         of bounds for the type.
46
47 2006-01-26  Daniel Berlin  <dberlin@dberlin.org>
48
49         * tree-ssa-alias.c (maybe_create_global_var): Change
50         subvar walking to an assertion that we don't have subvar'd variables.
51
52 2006-01-26  Andrew Pinski  <pinskia@physics.uc.edu>
53
54         PR C/25861
55         * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
56         Use a new variable, inner.  PARM_DECLs are always non-weak.
57
58 2006-01-26  Shantonu Sen  <ssen@opendarwin.org>
59
60         * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
61         --disable-checking.
62
63 2006-01-26  Adam Nemet  <anemet@caviumnetworks.com>
64
65         * config/mips/mips.md (*clear_upper32): New combiner pattern.
66
67 2006-01-26  Richard Earnshaw  <richard.earnshaw@arm.com>
68
69         * arm.md (smaxsi3, sminsi3): Convert to define_expand.
70         (smax_insn, smin_insn, smax_0, smin_0): New.
71
72 2006-01-26  Hans-Peter Nilsson  <hp@axis.com>
73
74         PR target/25947
75         * config/cris/cris.c (cris_order_for_addsi3): New function.
76         * config/cris/cris-protos.h: Prototype it.
77         * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
78         (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
79         (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
80         (split for "op.S1 [rx=rx+i],ry (swapped)")
81         (split for "op(s|u).S1 [rx=rx+i],ry")
82         (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
83         Apply cris_order_for_addsi3 when generating addsi3 insns.
84
85 2006-01-25  Diego Novillo  <dnovillo@redhat.com>
86
87         * tree.h (TREE_RANGE_CHECK): Fix range predicate.
88         (TREE_BLOCK): Add call to EXPR_CHECK.
89
90 2006-01-25  Diego Novillo  <dnovillo@redhat.com>
91
92         PR 25886
93         * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
94         * tree-pretty-print.c (dump_omp_clause): Extract from ...
95         (dump_omp_clauses): ... here.
96         (dump_generic_node): Handle OMP_CLAUSE.
97         * tree.c (omp_clause_num_ops): New.
98         (omp_clause_code_name): New.
99         (tree_code_size): Handle OMP_CLAUSE.
100         (tree_size): Likewise.
101         (make_node): Document handling of OMP_CLAUSE.
102         (tree_node_structure): Handle OMP_CLAUSE.
103         (omp_clause_check_failed): New.
104         (omp_clause_range_check_failed): New.
105         (omp_clause_operand_check_failed): New.
106         (build_omp_clause): New.
107         (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
108         * tree.h (enum omp_clause_code): Declare.
109         (OMP_CLAUSE_SUBCODE_CHECK): Define.
110         (OMP_CLAUSE_RANGE_CHECK): Define.
111         (OMP_CLAUSE_ELT_CHECK): Define.
112         (omp_clause_check_failed): Declare.
113         (omp_clause_operand_check_failed): Declare.
114         (omp_clause_range_check_failed): Declare.
115         (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
116         (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
117         (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
118         (OMP_CLAUSE_LASTPRIVATE): Likewise.
119         (OMP_CLAUSE_IF_EXPR): Likewise.
120         (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
121         (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
122         (OMP_CLAUSE_REDUCTION_CODE): Likewise.
123         (OMP_CLAUSE_REDUCTION_INIT): Likewise.
124         (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
125         (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
126         Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
127         (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
128         (OMP_CLAUSE_DEFAULT_KIND): Likewise.
129         (OMP_CLAUSE_CODE): Define.
130         (OMP_CLAUSE_SET_CODE): Define.
131         (OMP_CLAUSE_CODE): Define.
132         (OMP_CLAUSE_OPERAND): Define.
133         (struct tree_omp_clause): Declare.
134         (union tree_node): Add field 'omp_clause'.
135         * treestruct.def (TS_OMP_CLAUSE): Define.
136         * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
137         OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
138         OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
139         OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
140         OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
141         OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
142         (OMP_CLAUSE): Define.
143         * print-tree.c (print_node): Handle OMP_CLAUSE.
144         * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
145         * c-typeck.c: Likewise.
146         * gimplify.c: Likewise.
147         * c-omp.c: Likewise.
148         * tree-nested.c: Likewise.
149         * tree-inline.c: Likewise.
150         * c-parser.c: Likewise.
151         * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
152         clauses.
153
154 2006-01-25  Roger Sayle  <roger@eyesopen.com>
155
156         PR rtl-optimization/25703
157         * combine.c (try_combine): Handle zero_extract and strict_low_part
158         of non-lowpart SUBREGs for constant reg_subword_p set optimization.
159
160 2006-01-25  Peter Bergner  <bergner@vnet.ibm.com>
161
162         * global.c: Fix comment typos.
163
164 2006-01-25  Andrew Pinski  <pinskia@physics.uc.edu>
165
166         PR target/25758
167         * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
168         Use output_addr_const instead of assemble_name.
169
170 2006-01-25  Paolo Bonzini  <bonzini@gnu.org>
171
172         * Makefile.in (sched-vis.o): Update dependencies.
173         * haifa-sched.c (sched_finish): Clear current_sched_info.
174         * cfg.c (dump_bb_info): New, split from dump_flow_info.
175         (dump_flow_info): Call it.
176         * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
177         a slim RTL dump.
178         * basic-block.h (dump_bb_info): Declare.
179         * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
180         option, and apply options only for dump files whose TDF_RTL,
181         TDF_TREE, or TDF_IPA bits match.
182         * rtl.h: Declare new functions exported from sched-vis.c.
183         * sched-vis.c: Enable also if scheduling is not used.
184         (print_value): Print the mode of registers if not inside scheduling.
185         (print_insn): Make it work outside the scheduler.  Beautify the output
186         a bit.
187         (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
188
189 2006-01-25  Richard Sandiford  <richard@codesourcery.com>
190
191         * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
192         * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
193         a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
194         depending on the value of CONSTANT_POOL_ADDRESS_P.
195         * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
196         SYMBOL_REF_DECL.
197         * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
198         rather than SYMBOL_REF_DECL.
199         (rtx_constant_pool): Remove const_rtx_sym_htab.
200         (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
201         (init_varasm_status): Don't initialize const_rtx_sym_htab.
202         (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
203         Remove handling of const_rtx_sym_htab.
204         (find_pool_constant): Delete.
205         (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
206         rather than find_pool_constant.
207         (get_pool_constant_for_function): Delete.
208         (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
209         find_pool_constant. 
210         * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
211         (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
212         (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
213         (SYMBOL_REF_CONSTANT): New macro.
214         (get_pool_constant_for_function): Delete.
215         * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
216         rather than SYMBOL_REF_DECL.
217         (i386_pe_mark_dllimport): Likewise.
218         * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
219         rather than SYMBOL_REF_DECL.
220         * config/darwin.c (machopic_indirect_data_reference): Likewise.
221         (machopic_indirect_call_target): Likewise.
222
223 2006-01-25  Eric Botcazou  <ebotcazou@adacore.com>
224
225         * flow.c (delete_noop_moves): Add missing EOL to dump message.
226
227 2006-01-25  Richard Sandiford  <richard@codesourcery.com>
228
229         * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
230
231 2006-01-25  Kaz Kojima  <kkojima@gcc.gnu.org>
232
233         * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
234
235 2006-01-24  David Daney  <ddaney@avtrex.com>
236
237         PR java/25816
238         * configure.ac (enable_tls): New enable option.
239         (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
240         * configure: Regenerate.
241         * doc/install.texi (--enable-tls): Document new option.
242         (--disable-tls): Ditto.
243
244 2006-01-24  Richard Henderson  <rth@redehat.com>
245
246         * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
247         * alias.c (true_dependence): Respect it.
248         (canon_true_dependence, write_dependence_p): Likewise.
249         * builtins.c (get_builtin_sync_mem): Set it.
250
251 2006-01-25  Zdenek Dvorak <dvorakz@suse.cz>
252
253         * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
254         efficient way.
255
256 2006-01-24  DJ Delorie  <dj@redhat.com>
257
258         * expmed.c (store_bit_field): Don't arbitrarily deny using insv
259         for storing constants in single-bit bitfields.
260
261 2006-01-25  Ben Elliston  <bje@au.ibm.com>
262
263         * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
264
265 2006-01-24  Andrew Pinski  <pinskia@physics.uc.edu>
266
267         PR tree-opt/25860
268         * tree-ssa-pre.c (phi_translate): Return NULL
269         for AGGREGATE_TYPE's.
270
271 2006-01-24  Zack Weinberg  <zackw@panix.com>
272
273         * genautomata.c (process_state_for_insn_equiv_partition):
274         Use xcalloc for insn_arcs_array.
275         * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
276         (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
277
278 2006-01-24  Richard Henderson  <rth@redhat.com>
279
280         * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
281         update all callers.
282
283 2006-01-23  Paolo Bonzini  <bonzini@gnu.org>
284
285         PR rtl-optimization/25890
286         PR rtl-optimization/25905
287         * combine.c (expand_compound_operation, expand_field_assignment):
288         Fail if the bitfield's final position is out of bounds.
289
290 2006-01-24  Ian Lance Taylor  <ian@airs.com>
291
292         PR middle-end/25930
293         * cgraphunit.c (cgraph_output_in_order): Don't clear
294         cgraph_asm_nodes until after asm strings have been output.
295
296 2006-01-23  Adam Nemet  <anemet@caviumnetworks.com>
297
298         * fix-header.c (read_scan_file): Add new parameter imultilib when
299         calling register_include_chains.
300
301 2006-01-23  Diego Novillo  <dnovillo@redhat.com>
302
303         * omp-low.c: Update documentation.
304
305 2006-01-23  Andrew Pinski  <pinskia@physics.uc.edu>
306             Daniel Berlin  <dberlin@dberlin.org>
307
308         PR tree-opt/25315
309         PR tree-opt/25857
310         * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal 
311         return from the function.
312
313 2006-01-22  Zack Weinberg  <zackw@panix.com>
314
315         * rtl.def (match_code): Add second argument.
316         * genpreds.c (write_extract_subexp): New function.
317         (write_match_code): Add path argument.  Use write_extract_subexp.
318         (write_predicate_expr): Pass path to write_match_code.
319         (mark_mode_tests): MATCH_CODE applied to a subexpression does
320         not perform a mode test.
321         * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
322         a subexpression does not constrain the top-level code set.
323         * read-rtl.c (read_rtx_variadic): New function.
324         (read_rtx_1): Use it; allow AND and IOR to be variadic.
325         * doc/md.texi: Document new notation.
326         * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
327         (cmpsi_operand): ... here, using new notation.
328
329 2006-01-22  Zack Weinberg  <zackw@panix.com>
330
331         * varray.c: Remove GENERATOR_FILE #ifdefs.
332
333 2006-01-22  Zack Weinberg  <zackw@panix.com>
334
335         * genautomata.c (output_reserved_units_table): Emit nothing if
336         description->query_units_num is zero.  Remove extra blank line.
337         (output_cpu_unit_reservation_p): Short circuit
338         if description->query_units_num is zero.
339
340 2006-01-22  Zack Weinberg  <zackw@panix.com>
341
342         * genattrtab.c: Don't include genattrtab.h.  Define ATTR_NONE
343         and ATTR_SPECIAL (from genattrtab.h).  Don't define num_dfa_decls
344         nor any of the random handful of variables that used to be necessary
345         when this program was linked with rtlanal.o.  Prune set of forward
346         function declarations.
347         (struct attr_desc): Remove static_p field.
348         (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
349         (check_attr_test, make_internal_attr, make_numeric_value): Make static.
350         (attr_string): Do not read the character one past the length of
351         the string.
352         (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
353         (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
354         (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
355         (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
356         (make_automaton_attrs): New.
357         (main): Do not call into genautomata.  Call local gen_bypass
358         and gen_insn_reserv as appropriate.  Call make_automaton_attrs.
359         Remove special case for insn_alts.
360         * genautomata.c: Include gensupport.h; not genattrtab.h nor
361         varray.h (leftover from previous change).  Prune set of forward
362         function declarations.  Remove state_alts fields from all
363         structures.  Remove state_alts_table from struct automaton.
364         Make everything except main static.  Do not maintain num_dfa_decls.
365         Do not maintain state_alts fields of various structures.
366         (process_decls): Don't validate condexp for dm_insn_reserv decls.
367         (add_arc): Remove state_alts argument.  All callers updated.
368         (output_reserved_units_table): Emit #ifdef here...
369         (output_tables): ...not here.  Don't generate state_alts tables.
370         (expand_automata): Don't generate attributes.
371         (write_automata): Don't generate state_alts functions.
372         (main): New function.
373         (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
374         (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
375         (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
376         (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
377         (BYPASS_P_FUNC_NAME, output_state_alts_table)
378         (output_automata_list_state_alts_code, output_internal_state_alts_func)
379         (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
380         (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
381         Delete.
382         * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
383         * genattrtab.h: Delete file.
384         * Makefile.in (OBJS-common): Add insn-automata.o.
385         (insn-automata.o): New rule.
386         (simple_generated_c): Add insn-automata.c.
387         (build/genattrtab.o, build/genautomata.o): Update dependencies.
388         (genprogmd): Add automata.
389         (build/genattrtab): Needs no extra objects nor libraries.
390         (build/genautomata): Needs build/vec.o and -lm.
391
392 2006-01-22  Zack Weinberg  <zackw@panix.com>
393
394         * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
395         (output_dfa_max_issue_rate, locked_states_num): Delete.
396         (struct automaton): Add locked_states field.
397         (output_dead_lock_vect): Save number of locked states in
398         automaton->locked_states.  If it is zero, don't print anything.
399         (output_max_insn_queue_index_def): Define max_insn_queue_index const.
400         (output_internal_dead_lock_func): Only test the dead_lock_vect
401         for automata that have locked states.
402         (output_statistics): Always print the number of locked states for
403         each automaton.  Calculate total number of locked states here.
404         (write_automata): Don't call output_dfa_max_issue_rate.
405         * genattrtab.c: Define length_unit_log as a const variable.
406         * genattr.c: Don't emit MAX_DFA_ISSUE_RATE.  Declare
407         max_insn_queue_index const.
408         * final.c (length_unit_log): Declare const.
409         * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
410
411 2006-01-22  Zack Weinberg  <zackw@panix.com>
412
413         * genautomata.c:  Include vec.h, not varray.h.
414         Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
415         VLA_HWINT_ macros.  Change vla_hwint_t to a typedef for
416         VEC(vect_el_t,heap) *.  Convert all uses of VLA_* macros to
417         VEC_* macros operating on appropriately typed vectors, or to
418         malloced arrays when the size is known in advance.  Const-ify
419         many char* variables and function arguments.  No functional changes.
420         * Makefile.in (build/varray.o): Delete rule.
421         (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
422         (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
423
424 2006-01-22  Zack Weinberg  <zackw@panix.com>
425
426         * gensupport.c: Define get_insn_name and record_insn_name here.
427         (read_md_rtx): Call record_insn_name as appropriate.
428         * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
429         * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
430         * genpreds.c, genrecog.c: Don't define get_insn_name nor
431         record_insn_name.
432         * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
433         (BUILD_VARRAY): Delete.
434         (genprognormal): Rename genprogmd.  Fold in all programs from
435         genprognoprint; also attrtab.
436         (build/genattrtab): Just mention genautomata.o and varray.o.
437         Reorganize a bit, add comments to make the categories clearer.
438
439 2006-01-22  Zack Weinberg  <zackw@panix.com>
440
441         * genconditions.c (condition_table, add_condition): Delete.
442         (write_conditions): Don't emit n_insn_conditions nor
443         insn_elision_unavailable.  Issue the gcc version #ifdef here,
444         inside the table, with no #else clause ...
445         (write_header): ...not here.
446         (write_writer): New function.
447         (main): Don't initialize condition_table.  Use add_c_test.
448         Call write_writer.
449         * gensupport.c (init_md_reader_args_cb): Handle multiple input
450         files on the command line.
451         (maybe_eval_c_test): Don't check insn_elision_unavailable.
452         Return -1 if there is no entry in the table, don't abort.
453         (add_c_test, traverse_c_tests): New functions.
454         * gensupport.h (insn_elision_unavailable, insn_conditions)
455         (n_insn_conditions): Delete declarations.
456         (add_c_test, traverse_c_tests): Declare.
457         * read-rtl.c: Include gensupport.h.
458         (read_conditions): New function.
459         (read_rtx): If read_rtx_1 returns 0, treat as EOF.
460         (read_rtx_1): If we get EOF when we were looking for an initial
461         open paren, return 0.  Call read_conditions when appropriate.
462         * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
463         dummy-conditions.o.  Eliminate references to insn-conditions.o,
464         or change them to build/gencondmd.o, as appropriate.  Remove
465         insn-constants.h from $(simple_generated_h) and insn-conditions.c
466         from $(simple_generated_c).  For all files remaining in those
467         two lists, add insn-conditions.md to the generator command line.
468         Give insn-constants.h/s-constants their own rules.  Add rules
469         for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
470         (build/read-rtl.o): Depend on gensupport.h.
471         (genprognormal): Include preds.
472         (genprogearly): Rename genprognoprint; only difference is now that
473         they don't link with $(BUILD_PRINT).
474         * dummy-conditions.c: Delete.
475
476 2006-01-22  Zack Weinberg  <zackw@panix.com>
477
478         * genextract.c: Don't include insn-config.h.  Do include vec.h.
479         Declare vectors of int, char, and locstr.
480         (locstr): New typedef.
481         (struct extraction): Make all array fields into bare pointers.
482         (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
483         (insn_code_number): Delete.
484         (accum_extract): New struct.
485         (VEC_safe_set_locstr, VEC_char_to_string): New functions.
486         (gen_insn): Take insn_code_number as an argument.  Use an
487         accum_extract structure instead of loading data directly into
488         a struct extraction, and having to know how big it might get.
489         (walk_rtx): Operate entirely on an accum_extract structure.
490         (print_path): Avoid unnecessary use of printf.
491         (print_header): New function, split out of main.  Distinguish
492         more carefully between an unrecognizable insn and an insn that
493         has the code number of a define_expand.
494         (main): Pass insn_code_number to gen_insn.  Call print_header
495         only after parsing.  Avoid unnecessary use of printf.
496         * Makefile.in (build/vec.o): New rule.
497         (build/genextract): Depend on build/vec.o.
498         (build/genextract.o): Don't depend on insn-config.h.
499
500 2006-01-22  Zack Weinberg  <zackw@panix.com>
501
502         * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
503         $(RUN_GEN).  Use pattern rules to factor out as much boilerplate as
504         practical.  Eliminate per-generator-program link rules.
505
506 2006-01-23  Andrew Pinski  <pinskia@physics.uc.edu>
507
508         PR middle-end/24437
509         * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
510         with a call expr to ...
511         * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
512
513 2006-01-23  Richard Guenther  <rguenther@suse.de>
514
515         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
516         before make_edge with conditional EDGE_TRUE_VALUE.
517
518 2006-01-23  Steven Bosscher  <stevenb.gcc@gmail.com>
519         Jan Hubicka  <jh@suse.cz>
520         Richard Guenther  <rguenther@suse.de>
521
522         PR rtl-optimization/25654
523         * cfgexpand.c (aggregate_contains_union_type): New function.
524         (add_alias_set_conflicts): Call it.  Make sure to add conflicts
525         for structure variables that contain a union type.
526
527 2006-01-23  Richard Sandiford  <richard@codesourcery.com>
528
529         * gengtype.c (new_structure): Return the structure.
530         (create_option): Add an extra "next" argument.
531         (create_field): New function.
532         (adjust_field_rtx_def): Use create_option and create_field.
533         Remove a now-unnecessary call to find_structure.
534         (adjust_field_tree_def): Likewise.
535         (note_yacc_type): Remove an unnecessary call to find_structure.
536         * gengtype.h (new_structure): Return the structure.
537         (create_option): Add an extra argument.
538         * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
539         (option): Adjust calls to create_option.
540
541 2006-01-22  David Edelsohn  <edelsohn@gnu.org>
542
543         * config/rs6000/aix.h (STACK_BOUNDARY): Define.
544
545 2006-01-22  Paul Brook  <paul@codesourcery.com>
546         Peter Barada  <peter@the-baradas.com>
547
548         * config/m68k/m68k.md: Add Coldfire FPU support.
549         Define FP mode macro and associated attributes.
550         Use it for float mode patterns.
551         * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
552         (LIBCALL_VALUE): Use m68k_libcall_value.
553         * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
554         (m68k_function_value): Ditto.
555         (emit_move_sequence): Ditto.
556         * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
557         * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
558         * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
559         (MULTILIB_EXCEPTIONS): Ditto.
560         * config/m68k/m68k.opt: Add mcfv4e.
561         * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
562         (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
563         (m68k_output_function_prologue): Save ColdFire FPU registers.
564         (m68k_output_function_epilogue): Restore ColdFire FPU registers.
565         (force_mode, fp_reg_operand, emit_move_sequence): New functions.
566         (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
567         ColdFire FPU registers.
568         (m68k_libcall_value, m68k_function_value): New functions.
569         * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
570         (LIBCALL_VALUE): Use m68k_libcall_value.
571         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
572         (MASK_COLDFIRE): Add MASK_CFV4E.
573         (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
574         (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
575         (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
576         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
577         (GO_IF_LEGITIMATE_ADDRESS): Use it.
578         (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
579         * doc/invoke.tex: Document -mcfv4e on m68k.
580
581 2006-01-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
582
583         * doc/contribute.texi: Change CVS to SVN and update the corresponding
584         URL.
585
586 2006-01-21  Gabriel Dos Reis  <gdr@integrable-solutions.net>
587
588         PR c++/16190
589         * c-opts.c (c_common_handle_option): Don't include
590         -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
591         * doc/invoke.texi (C++ Dialect Options): Document that
592         -Wnon-virtual-dtor is no longer included in -Wall.
593
594 2006-01-21  Joseph S. Myers  <joseph@codesourcery.com>
595
596         * gcov.c (print_version), gcov-dump.c (print_version),
597         mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
598         dates.
599
600 2006-01-21  Kenneth Zadeck <zadeck@naturalbridge.com>
601
602         * df-scan.c (problem_SCAN): Added NULL reset function.
603         (df_scan_reset_blocks): Added code to call reset block function
604         (df_bb_refs_delete) Fixed comment.
605         (df_insn_refs_delete): Made tolerant of deleting non existent info
606         for dataflow problems that need to be reset.
607         * df-core.c (df_set_blocks): Ditto.
608         * df.h (struct df_problem): Added reset_fun.
609         * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
610         problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
611         (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
612         functions to clear out all references to def-use or use-def chains.
613
614 2006-01-21  Ben Elliston  <bje@au.ibm.com>
615
616         * varasm.c (assemble_real): Initialise data array.
617
618 2006-01-20  Paul Brook  <paul@codesourcery.com>
619
620         Merge from csl-arm-branch.
621         2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
622         * config/arm/arm.md (movdi): Force operands[1] to a register
623         if we have a non-register source.
624         (*arm_movdi, *movdf_soft_insn): Require that one of the
625         operands be a register.
626         * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
627         * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
628
629 2006-01-20  DJ Delorie  <dj@redhat.com>
630
631         * varasm.c (initialize_constant_valid_p): Allow pointers
632         initialized from integer constants of lesser precision.
633         (output_constant): Allow non-int-sized pointer modes to be
634         initialized from integer constants.
635
636 2006-01-20  Joseph S. Myers  <joseph@codesourcery.com>
637
638         PR libstdc++/25524
639         * cppdefault.h (struct default_include): Add multilib flag.
640         * cppdefault.c (cpp_include_defaults): Set it.
641         * c.opt (-imultilib): New option.
642         * c-opts.c (imultilib): New.
643         (c_common_handle_option): Handle -imultilib.
644         (c_common_post_options): Likewise.
645         * c-incpath.c (add_standard_paths, register_include_chains):
646         Likewise.
647         * c-incpath.h (register_include_chains): Add extra parameter.
648         * gcc.c (do_spec_1): Generate -imultilib option.
649         (The Specs Language): Update %I description.
650         (process_command): Update copyright notice.
651         * doc/cppopts.texi (-imultilib): Document.
652         * doc/invoke.texi (-imultilib): Include in option summary.
653         (%I): Update specs documentation.
654
655 2006-01-20  Zdenek Dvorak <dvorakz@suse.cz>
656
657         * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
658
659 2006-01-20  Richard Sandiford  <richard@codesourcery.com>
660
661         * stmt.c (case_bit_test_cmp): Stabilize the sort using code
662         label numbers.
663
664 2006-01-20  Richard Guenther  <rguenther@suse.de>
665         Steven Bosscher <stevenb.gcc@gmail.com>
666
667         PR rtl-optimization/24626
668         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
669         EDGE_TRUE_VALUE if in RTL mode.
670
671         Revert
672         2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
673         * cfgrtl.c (rtl_verify_flow_info_1): Fix.
674
675 2006-01-20  Dirk Mueller  <dmueller@suse.com>
676
677         PR c++/5520
678         * c-parser.c (c_parser_if_body): Use build_empty_stmt()
679         instead of a special NOP marker.
680         * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
681         NOP marker handling.
682         * c-common.h (empty_body_warning): Add forward declaration.
683         * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
684         Now uses IS_EMPTY_STMT() instead of special NOP markers.
685
686 2006-01-20  Paul Brook  <paul@codesourcery.com>
687
688         * Makefile.in (lang_checks): Keep going if mkdir fails.
689
690 2006-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
691
692         * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
693         be able to clean out basic block when not necessary.
694         (df_scan_free): Fixed to properly delete information if df is
695         unused before calling df_finish.
696         (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
697         df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
698         or comment typos.
699         (df_bb_refs_delete): New function.
700         (df_refs_delete): Moved per block code to df_bb_refs_delete.
701         * df-core.c (df_set_blocks): Added code to properly clean out
702         unused blocks if they are not part of the blocks to consider.
703         Added additional null check.
704         (df_compact_blocks): Added basic block parameter to free_bb_fun to
705         be able to clean out basic block when not necessary
706         * df.h (df_free_bb_function): Ditto.
707         (df_bb_refs_delete): New function.
708         * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
709         df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
710         basic block parameter to be able to clean out basic block when not
711         necessary.
712         (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
713         (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
714         Fixed to properly delete information if df is unused before
715         calling df_finish.
716
717 2006-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
718
719         PR rtl-optimization/25799
720         * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
721         Corrected confluence operator to remove bits from op2 before oring
722         with op1 rather than removing bits from op1.
723         (df_ru_transfer_function): Corrected test on wrong bitmap which
724         caused infinite loop.  Both of these problems were introduced in
725         the dataflow rewrite.
726
727 2006-01-19  DJ Delorie  <dj@redhat.com>
728
729         * reload1.c (find_reload_regs): Note the details of reload
730         failures in the dump file.
731         (spill_failure): Likewise.
732
733 2006-01-20  Zdenek Dvorak <dvorakz@suse.cz>
734
735         * loop-iv.c: Include df.h and hashtab.h.
736         (enum iv_grd_result): New enum.
737         (DF_REF_IV, DF_REF_IV_SET): New macros.
738         (struct biv_entry): New.
739         (df, bivs): New global variables.
740         (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
741         assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
742         Removed.
743         (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
744         iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
745         analyzed_for_bivness_p, record_biv): New functions.
746         (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
747         get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
748         iv_analyze, biv_p, iv_analysis_done): Work with df representation of
749         UD chains.
750         (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
751         analysed.
752         (iv_number_of_iterations): Use new interface to iv analysis.
753         * loop-unroll.c: Do not include varray.h.
754         (analyze_iv_to_split_insn): Use new interface to iv
755         analysis.
756         * loop-unswitch.c (may_unswitch_on): Ditto.
757         * df.c (df_bitmaps_free): Only work for bbs for that structures are
758         allocated.
759         (df_bb_modify): Realloc tables to the new index.
760         (df_find_use): New function.
761         * df.h (df_find_use): Declare.
762         * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
763         outmode.
764         * cfgloop.h (struct rtx_iv): Remove analysed field.
765         (iv_get_reaching_def): Removed.
766         (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
767         * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
768         (loop-iv.o): Add df.h and hashtab.h dependency.
769         * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
770
771 2006-01-20  Alan Modra  <amodra@bigpond.net.au>
772
773         * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
774         Double TFmode.
775         (__floatundisf, __floatundidf): Likewise.
776         * libgcc2.h (IS_IBM_EXTENDED): Define.
777
778 2006-01-19  DJ Delorie  <dj@redhat.com>
779
780         * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
781
782 2006-01-19  Paul Brook  <paul@codesourcery.com>
783
784         * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
785         as nothrow when unwinding tables are disabled.
786
787 2006-01-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
788
789         PR testsuite/25171
790         * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
791         of bit-field" when in system header.
792
793 2006-01-19  DJ Delorie  <dj@redhat.com>
794
795         * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
796         the 16 bit shift limit of the m16c.
797
798 2006-01-19  Andrew Pinski  <pinskia@physics.uc.edu>
799
800         PR target/22099
801         * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
802         * config/i386/i386.c (output_set_got): Output the label if we have one
803         for the TARGET_DEEP_BRANCH_PREDICTION case.
804
805 2006-01-19  Jan Hubicka  <jh@suse.cz>
806             H.J. Lu  <hongjiu.lu@intel.com>
807             Evandro Menezes <evandro.menezes@amd.com>
808
809         * invoke.texi (generic): Document
810         (i686) Update.
811         * config.gcc: Make x86_64-* and i686-* default to generic tunning.
812         * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
813         TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
814         (x86_use_incdec, x86_pad_returns): New variables
815         (TARGET_CPU_DEFAULT_generic): New constant
816         (TARGET_CPU_DEFAULT_NAMES): Add generic.
817         (enum processor_type): Add generic32 and generic64.
818         * i386.md (cpu attribute): Add generic32/generic64
819         (movhi splitter): Behave sanely when both partial_reg_dependency and
820         partial_reg_stall are set.
821         (K8 splitters): Enable for generic as well.
822         * predicates.md (incdec_operand): Use TARGET_INCDEC
823         (aligned_operand): Avoid memory mismatch stalls.
824         * athlon.md: Enable for generic64, new patterns for 128bit moves.
825         * ppro.md: Enable for generic32
826         * i386.c (generic64_cost, generic32_cost): New.
827         (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
828         (x86_use_leave): Enable for generic64.  (x86_use_sahf,
829         x86_ext_80387_constants): Enable for generic32.  (x86_push_memory,
830         x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
831         x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
832         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
833         x86_partial_reg_dependency, x86_memory_mismatch_stall,
834         x86_accumulate_outgoing_args, x86_prologue_using_move,
835         x86_epilogue_using_move, x86_arch_always_fancy_math_387,
836         x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
837         Enable for generic.
838         (x86_use_incdec, x86_pad_returns): New.
839         (override_options): Add generic32 and generic64, translate "generic"
840         to generic32/generic64 and "i686" to "generic32", refuse
841         "generic32"/"generic64" as arch target.
842         (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
843         (ix86_reorg): Honor PAD_RETURNS.
844
845 2006-01-19  Diego Novillo  <dnovillo@redhat.com>
846
847         * tree-pretty-print.c (dump_generic_node): Handle
848         OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
849         * cgraph.c (cgraph_expand_queue): Rename from
850         cgraph_analyze_queue.  Update all users.
851         * cgraphunit.c (cgraph_assemble_pending_functions): Process
852         cgraph_expand_queue.
853         (cgraph_expand_all_functions): Likewise.
854         (cgraph_finalize_pending_functions): Remove.  Update callers.
855
856         * tree.h (OMP_DIRECTIVE_P): Define.
857         (OMP_PARALLEL_FN): Define.
858         (OMP_PARALLEL_DATA_ARG): Define.
859         (OMP_SECTIONS_SECTIONS): Define.
860         * tree-pass.h (pass_expand_omp): Declare.
861         * omp-low.c (struct omp_region): Declare.
862         (struct omp_context): Remove fields 'parallel_type',
863         'parallel_start_ix' and 'parallel_start_additional_args'.
864         Update all users.
865         (struct omp_for_data): Rename from struct expand_omp_for_data.
866         (omp_regions): New static variable.
867         (root_omp_region): New static variable.
868         (find_omp_clause): Make static.
869         (is_in_combined_parallel_ctx): Remove.
870         (is_combined_parallel): New.
871         (extract_omp_for_data): Move earlier in the file.
872         (workshare_safe_to_combine_p): New.
873         (get_ws_args_for): New.
874         (determine_parallel_type): Move earlier in the file.
875         (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
876         child function.
877         (omp_copy_decl): Likewise.
878         (create_omp_child_function): Likewise.
879         (lookup_omp_region): New.
880         (dump_omp_region): New.
881         (debug_omp_region): New.
882         (debug_all_omp_regions): New.
883         (new_omp_region): New.
884         (scan_omp_parallel): If parallel_nesting_level > 1, the
885         directive is nested within another parallel directive.
886         Set OMP_PARALLEL_FN.
887         (scan_omp_for): Do not try to handle combined parallel+for
888         cases.
889         Remove FIXME comment.
890         (scan_omp_nested): Remove.
891         (scan_omp_1): Do not call scan_omp_nested when
892         parallel_nesting_level is > 1.
893         Do not change the DECL_CONTEXT of local variables found.
894         (lookup_decl_in_outer_ctx): New.
895         (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
896         (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
897         (lower_reduction_clauses): Rename from expand_reduction_clauses.
898         (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
899         If CTX is nested, lookup VAR in the outer context when
900         building copy assignment.
901         (lower_send_clauses): Rename from expand_send_clauses.
902         If CTX is nested, lookup VAR in the outer context when
903         building copy assignments.
904         (lower_send_shared_vars): Rename from expand_send_shared_vars.
905         If CTX is nested, lookup VAR in the outer context when
906         building copy assignments.
907         (expand_parallel_call): Rename from build_parallel_call.
908         Handle combined parallel+workshare cases.
909         Re-implement to emit code into the CFG.
910         (list2chain): New.
911         (expand_omp_parallel): Re-implement to emit code into the CFG.
912         Call move_sese_region_to_fn to outline the sub-graph
913         containing the parallel region.
914         (expand_omp_for_1): Remove.
915         (expand_omp_for_generic): Re-implement to emit code into the
916         CFG.
917         (expand_omp_for_static_nochunk): Likewise.
918         (expand_omp_for_static_chunk): Likewise.
919         (expand_omp_for): Likewise.
920         (expand_omp_sections): Likewise.
921         (remove_exit_barriers): New.
922         (expand_omp_synch): New.
923         (expand_omp): New.
924         (build_omp_regions_1): New.
925         (build_omp_regions): New.
926         (execute_expand_omp): New.
927         (gate_expand_omp): New.
928         (pass_expand_omp): Define.
929         (lower_omp_sections): Rename from expand_omp_sections.
930         Set OMP_SECTIONS_SECTIONS.
931         (lower_omp_single_simple): Rename from expand_omp_single_simple.
932         (lower_omp_single_copy): Rename from expand_omp_single_copy.
933         (lower_omp_single): Rename from expand_omp_simple.
934         (lower_omp_master): Rename from expand_omp_master.
935         (lower_omp_ordered): Rename from expand_omp_ordered.
936         (lower_omp_critical): Rename from expand_omp_critical.
937         (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
938         (lower_omp_for): Re-implement.
939         (lower_omp_parallel): Re-implement.
940         (lower_regimplify): Rename from expand_regimplify.
941         (lower_omp_1): Rename from expand_omp_1.
942         If there are syntax errors in the program, replace every
943         OpenMP directive with NOP.
944         Call lower_omp_* instead of expand_omp_*.
945         (lower_omp): Rename from expand_omp.
946
947         * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
948         * tree-gimple.h (enum omp_parallel_type): Remove.
949         (gimple_boolify): Declare extern.
950         (find_omp_clause, determine_parallel_type): Remove.
951
952         * gimple-low.c (lower_omp_directive): New.
953         (lower_stmt): Call it.
954         (record_vars_into): Move from ...
955         (record_vars): ... here.
956         Call record_vars_into with current_function_decl.
957
958         * gimplify.c (struct gimplify_ctx): Remove fields
959         combined_pre_p and combined_ctxp.  Update users.
960         (get_formal_tmp_var): Add documentation.
961         (gimple_boolify): Make extern.
962         (gimplify_expr_in_ctx): Remove.  Update callers.
963         (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
964         will always be a BIND_EXPR.
965         (gimplify_expr): Handle OMP_RETURN_EXPR.
966         * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
967         (OMP_PARALLEL): Add 3 operands.
968         (OMP_SECTIONS): Add 1 operand.
969         (OMP_RETURN_EXPR): Define.
970
971         * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
972         (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
973         * tree-iterator.c (alloc_stmt_list): Assert that we are not
974         creating a circular free list.
975         (free_stmt_list): Assert that we are not freeing stmt_list_cache.
976
977         * tree-flow.h (move_sese_region_to_fn): Declare.
978         (record_vars_into): Declare.
979         * tree-cfg.c (make_omp_sections_edges): New.
980         (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
981         OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
982         OMP_SECTIONS and OMP_SECTION.
983         (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
984         (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
985         (verify_stmt): Do not handle OMP_DIRECTIVE_P.
986         (gather_blocks_in_sese_region): New.
987         (struct move_stmt_d): Declare.
988         (move_stmt_r): New.
989         (move_block_to_fn): New.
990         (move_sese_region_to_fn): New.
991
992         * passes.c (init_optimization_passes): Schedule
993         pass_expand_omp after pass_init_datastructures.
994
995         * tree-ssa-operands.c (get_expr_operands): Handle
996         OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
997         OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
998
999 2006-01-19  Jeff Law  <law@redhat.com>
1000
1001         * tree-vrp.c (extract_range_from_assert): Refine the result range
1002         if the variable referenced by the ASSERT_EXPR has a range and
1003         either the tentative result range or the previous range is a
1004         VR_ANTI_RANGE.
1005
1006 2006-01-19  Richard Sandiford  <richard@codesourcery.com>
1007
1008         * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
1009
1010 2006-01-19  Jan Hubicka  <jh@suse.cz>
1011
1012         * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
1013
1014 2006-01-19  Paolo Bonzini  <bonzini@gnu.org>
1015
1016         * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
1017         (expand_compound_operation, expand_field_assignment): Fail if the
1018         bit lengths of an extract operation are out of range.
1019         (make_extraction): Compute wanted_inner_mode based on the position
1020         and length of the extraction.  Make it extraction_mode for non-constant
1021         positions, and do not modify offset in that case.  When generating a
1022         new MEM, use a mode that can hold the extraction while keeping correct
1023         alignment.  Remove code that supported MEMs wrapped by USEs.
1024         (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
1025
1026 2006-01-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1027
1028         * config/s390/s390.md ("Y", "y"): New mode attribute.
1029         ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
1030         "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
1031         "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
1032         "*addsi3_imm_cc", "*addsi3_carry1_cc",
1033         "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
1034         "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
1035         "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
1036         "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
1037         "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
1038         "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
1039         "addsi3", "subsi3"): Insn patterns removed.
1040         ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
1041         "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
1042         "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
1043         "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
1044         "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
1045         "*sub<mode>3_cconly2"): New insn patterns.
1046         ("addsi3", "subsi3"): New expanders.
1047
1048 2006-01-19  Dorit Nuzman  <dorit@il.ibm.com>
1049
1050         * Makefile.in (tree-vect-patterns.o): Add rule for new file.
1051         * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
1052         existing STMT_VINFO_VECTYPE if available.
1053         (vect_mark_relevant): Add special handling for stmts that are
1054         marked as STMT_VINFO_IN_PATTERN_P.
1055         (vect_analyze_loop): Call vect_pattern_recog.
1056         * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
1057         * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
1058         stmt_info.
1059         (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
1060         (vect_recog_func_ptr): New function-pointer type.
1061         * tree-vect-patterns.c: New file.
1062         (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
1063         (vect_recog_dot_prod_pattern, vect_pattern_recog):
1064         (vect_pattern_recog_1): New functions.
1065         (vect_pattern_recog_funcs): New array of function pointers.
1066
1067         * tree-vectorizer.h (ternary_op): New enum value.
1068         * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
1069         declaration. Revised documentation. Removed redundant dump prints.
1070         Removed redundant argument. Added support for reduction patterns.
1071         (vectorizable_reduction): Added support for reduction patterns.
1072         (vect_transform_stmt): Added support for patterns.
1073
1074         * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
1075         * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
1076         * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
1077         (expand_widen_pattern_expr): New function.
1078         (init_optabs): Initialize new optabs udot_prod_optab,
1079         sdot_prod_optab.
1080         * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
1081         (sdot_prod_optab, udot_prod_optab): Define new optabs.
1082         (expand_widen_pattern_expr): New function declaration.
1083         * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
1084         tree-codes.
1085         * tree-inline.c (estimate_num_insns_1): Added cases for new
1086         tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1087         * tree-pretty-print.c (dump_generic_node): Likewise.
1088         (op_prio): Likewise.
1089         (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1090         * tree-ssa-operands.c (get_expr_operands): Added case for
1091         DOT_PROD_EXPR.
1092         * tree-vect-patterns.c (widened_name_p): New function.
1093         (vect_recog_dot_prod_pattern): Added function implementation.
1094         * tree-vect-transform.c (get_initial_def_for_reduction): Added
1095         cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
1096         * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
1097         * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
1098
1099         * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
1100         * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
1101         * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
1102         (init_optabs): Initialize new optabs widen_ssum_optab,
1103         widen_usum_optab.
1104         * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
1105         (widen_ssum_optab, widen_usum_optab): Define new optabs.
1106         * tree-vect-generic.c: (expand_vector_operations_1): Check type of
1107         use instead of type of def.
1108         * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
1109         function implementation.
1110         * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
1111         widen_ssumv8hi): New.
1112
1113         * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
1114         patterns.
1115
1116 2006-01-19  Richard Sandiford  <richard@codesourcery.com>
1117
1118         PR c/25805
1119         * c-decl.c (add_flexible_array_elts_to_size): New function.
1120         (finish_decl): Use it.
1121
1122 2006-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
1123
1124         * diagnostic.h: Include options.h.
1125         * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
1126         dependancies for diagnostic.h.
1127         * Makefile.in (DIAGNOSTIC_H): Add options.h.
1128
1129 2006-01-16  Daniel Berlin  <dberlin@dberlin.org>
1130
1131         * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
1132         (ssa_ro_call_cache_valid): Ditto.
1133         * tree-ssa-alias.c (sort_tags_by_id): New function.
1134         (init_transitive_clobber_worklist): Ditto.
1135         (add_to_worklist): Ditto.
1136         (mark_aliases_call_clobbered): Ditto.
1137         (compute_tag_properties): Ditto.
1138         (set_initial_properties): Ditto.
1139         (compute_call_clobbered): Ditto.
1140         (compute_may_aliases):  Call compute_call_clobbered and grouping.
1141         (compute_flow_sensitive_aliasing): Remove clobbering related code.
1142         (compute_flow_insensitive_aliasing): Grouping now happens in our
1143         caller.
1144         (setup_pointers_and_addressables): Remove clobbering related code.
1145         (add_may_alias): Ditto.
1146         (replace_may_alias): Ditto.
1147         (get_nmt_for): Ditto.
1148         (create_global_var):
1149         (is_escape_site): Return an escape_type enumeration.
1150         * tree-flow-inline.h (is_call_clobbered):  Global var does not
1151         imply call clobbered.
1152         (mark_call_clobbered): Take a reason for marking this. Remove
1153         marking of globalness, and cache invalidation.
1154         (clear_call_clobbered): Remove cache invalidation code.
1155         * tree-dfa.c (dump_variable): If details is on, dump the reason
1156         for escaping.
1157         * tree-outof-ssa.c (create_temp): Copy escape mask from original
1158         variable.
1159         * tree-flow.h (struct ptr_info_def): Add escape mask member.
1160         (struct var_ann_d): Ditto.
1161         (enum escape_type): New.
1162         (mark_call_clobbered): Adjust prototype.
1163         * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
1164         are never call clobbered.
1165         Record reasons for escaping.
1166         * tree-ssa-structalias.h (is_escape_site): Update prototype.
1167         * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
1168         (ssa_ro_call_cache_valid): Ditto.
1169         (clobbered_v_may_defs): Ditto.
1170         (clobbered_vuses): Ditto.
1171         (ro_call_vuses): Ditto.
1172         (clobber_stats): New.
1173         (init_ssa_operands): Zero out clobber stats.
1174         (fini_ssa_operands): Print out clobber stats.
1175         (get_call_expr_operands): Pass callee fndecl to
1176         add_call_read_ops).
1177         (add_call_clobber_ops): Remove use of cache.
1178         Add use of PURE_CONST information.
1179         (add_call_read_ops): Remove use of cache.
1180         Add use of static not_read information.
1181
1182 2006-01-18  Alexandre Oliva  <aoliva@redhat.com>
1183
1184         Introduce TLS descriptors for i386 and x86_64.
1185         * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
1186         (TARGET_ANY_GNU_TLS): New macro.
1187         (enum tls_dialect): Added TLS_DIALECT_GNU2.
1188         (struct machine_function): Add tls_descriptor_call_expanded_p.
1189         (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
1190         (ix86_current_function_calls_tls_descriptor): Likewise.
1191         * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
1192         (override_options): Introduce gnu2 tls dialect.
1193         (ix86_frame_pointer_required): Functions containing TLSCALLs are
1194         not leaves.
1195         (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
1196         Likewise.
1197         (legitimize_tls_address): Adjust logic for GNU2 TLS.
1198         (ix86_init_machine_status): Initialize new field.
1199         (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
1200         (ix86_tls_module_base): New.
1201         * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
1202         * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
1203         (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
1204         (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
1205         (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
1206         (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
1207         (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
1208         (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
1209         * config/i386/predicates.md (tls_modbase_operand): New.
1210         (tp_or_register_operand): New.
1211
1212 2006-01-18  Daniel Berlin  <dberlin@dberlin.org>
1213
1214         * ipa-reference.c (check_operand):  Allow FUNCTION_DECL.
1215         (look_for_address_of): Ditto.
1216         (ipa_init): Walk the function decls.
1217         (static_execute): Don't set readonly on FUNCTION_DECL's.
1218
1219 2006-01-18  Roger Sayle  <roger@eyesopen.com>
1220
1221         * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
1222         for shifts where the source and destination registers are different.
1223
1224 2006-01-18  Paul Brook  <paul@codesourcery.com>
1225
1226         Merge from csl-arm-branch.
1227         2005-03-14  Julian Brown  <julian@codesourcery.com>
1228         * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
1229         (aeabi_llsl): Likewise.
1230         (ashrdi3): Likewise.
1231         (aeabi_lasr): Likewise.
1232         (lshrdi3): Likewise.
1233         (aeabi_llsr): Likewise.
1234         2005-03-10  Julian Brown  <julian@codesourcery.com>
1235         * config.gcc: Disable shared libgcc for SymbianOS.
1236         * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
1237
1238 2006-01-18  DJ Delorie  <dj@redhat.com>
1239
1240         * c-pragma.c (handle_pragma_diagnostic): New.
1241         (init_pragma): Register it.
1242         * doc/extend.texi: Document it.
1243
1244         * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
1245         * diagnostic.h (diagnostic_classify_diagnostic): Declare.
1246         (diagnostic_context): Add classify_diagnostic[].
1247         * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
1248         as errors if they're overridden to DK_WARNING.
1249         (diagnostic_initialize): Initialize classify_diagnostic[].
1250         (diagnostic_set_kind_override): New.
1251         (diagnostic_report_diagnostic): Check for kind changes.
1252         * opts.c (common_handle_option): Take lang_mask.  Update callers.
1253         Handle OPT_Werror_.
1254         * common.opt (Werror=): New.
1255         * doc/invoke.texi: Document -Werror=*
1256
1257 2006-01-18  Jeff Law  <law@redhat.com>
1258
1259         * tree-vrp.c (test_for_singularity): Correct test for new
1260         min limit.  Use operand_equal_p rather than pointer equality
1261         for testing if new min/max values are equal.
1262
1263         * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
1264         using range information until after propagation and folding.
1265
1266 2006-01-18  Richard Henderson  <rth@redhat.com>
1267             Aldy Hernandez  <aldyh@redhat.com>
1268             Jakub Jelinek  <jakub@redhat.com>
1269             Diego Novillo  <dnovillo@redhat.com>
1270
1271         * omp-low.c: New file.
1272         * c-omp.c: New file.
1273
1274 2006-01-18  Richard Henderson  <rth@redhat.com>
1275             Jakub Jelinek  <jakub@redhat.com>
1276             Diego Novillo  <dnovillo@redhat.com>
1277
1278         * doc/invoke.texi: Document -fopenmp.
1279         * tree-dump.h (debug_function): Declare.
1280         * hooks.c (hook_bool_tree_bool_false): New function.
1281         (hook_tree_tree_null): Remove.
1282         (hook_tree_tree_tree_null): New.
1283         * hooks.h: Update to match.
1284         * tree-pretty-print.c (debug_tree_chain): New.
1285         (print_generic_expr): Handle TDF_CHAIN.
1286         (dump_generic_node): Handle BLOCK.
1287         Do not abort with incomplete SWITCH_EXPRs.
1288         Do not dump body of an OpenMP directive if TDF_SLIM is given.
1289         <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
1290         print space after directive name.
1291         <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
1292         Handle OMP_MASTER and OMP_ORDERED.
1293         Handle printing of OMP_BODY just in one place, goto
1294         dump_omp_body in the rest of OMP_* nodes that have
1295         OMP_BODY.
1296         Don't handle clause nodes here.  Update omp statements to
1297         use dump_omp_clauses.
1298         Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
1299         OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
1300         OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
1301         GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
1302         GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
1303         GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
1304         Adjust output for GOMP_PARALLEL.
1305         (dump_omp_clauses): New.
1306         (print_declaration): Dump DECL_VALUE_EXPR.
1307         (op_symbol_1): Split out of op_symbol.
1308         (dumping_stmts): Remove.  Update all users.
1309         * cgraph.c (cgraph_analyze_queue): New.
1310         (cgraph_add_new_function): New.
1311         * cgraph.h (cgraph_analyze_queue): Declare.
1312         (cgraph_add_new_function): Declare.
1313         (cgraph_lower_function): Remove.
1314         * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
1315         nodes.  Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
1316         and TYPE_P nodes in its default clause.
1317         (empty_body_p): New.
1318         (tree_range_check_failed): New.
1319         (build5_stat): New.
1320         * tree.h (OMP_CLAUSE_REDUCTION_INIT,
1321         OMP_CLAUSE_REDUCTION_MERGE,
1322         OMP_CLAUSE_REDUCTION_PLACEHOLDER,
1323         OMP_CLAUSE_PRIVATE_DEBUG,
1324         OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
1325         OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
1326         OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
1327         OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
1328         OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
1329         OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
1330         OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
1331         OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
1332         OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
1333         OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
1334         OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
1335         OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
1336         OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
1337         OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
1338         (TREE_RANGE_CHECK): New.
1339         (empty_body_p): Declare.
1340         (enum omp_clause_default_kind): New.
1341         (build_string_literal): Declare.
1342         (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
1343         (build5_stat, build5): Declare.
1344         * tree-pass.h (TDF_CHAIN): Define.
1345         * tree-pass.h (PROP_gimple_lomp): Define.
1346         (pass_lower_omp): Declare.
1347         * diagnostic.h (debug_tree_chain): Declare.
1348         * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
1349         mode_for_size.
1350         (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
1351         * builtins.c (build_string_literal): Make extern.
1352         * gcc.c (include_spec_function): New.
1353         (static_spec_functions): Add it.
1354         (main): Move load of libgomp.spec ...
1355         (LINK_COMMAND_SPEC): ... here.
1356         (link_gomp_spec): New.
1357         (static_specs): Include it.
1358         (LINK_COMMAND_SPEC): Add link_gomp.
1359         (GOMP_SELF_SPECS): New.
1360         (driver_self_specs): Include it.
1361         (switch_matches): Don't mark inline.
1362         (main): Load libgomp.spec.
1363         * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
1364         OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
1365         and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
1366         * tree-gimple.h (enum omp_parallel): Declare.
1367         (determine_parallel_type): Declare.
1368         (omp_firstprivatize_variable): Declare.
1369         (omp_reduction_init): Declare.
1370         (diagnose_omp_structured_block_errors): Declare.
1371         (struct walk_stmt_info): Add want_return_expr.
1372         (struct walk_stmt_info): Add want_bind_expr, want_locations.
1373         (find_omp_clause): Declare.
1374         (insert_field_into_struct): Declare.
1375         (struct walk_stmt_info): Move from tree-nested.c
1376         (walk_stmts): Declare.
1377         * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
1378         to 200505.
1379         * cgraphunit.c (cgraph_lower_function): Make static.
1380         (cgraph_finalize_pending_functions): New.
1381         (cgraph_finalize_function): Call it.
1382         (cgraph_finalize_compilation_unit): Likewise.
1383         * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
1384         BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
1385         (BT_FN_UINT_UINT): New.
1386         (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
1387         DEF_FUNCTION_TYPE_VAR_4): Document.
1388         (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
1389         BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
1390         BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
1391         BT_FN_VOID_OMPFN_PTR_UINT_UINT,
1392         BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
1393         BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
1394         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
1395         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
1396         * builtins.def: Update DEF_BUILTIN comment to include COND argument.
1397         Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
1398         into separate files.
1399         (DEF_GOMP_BUILTIN): New.
1400         (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
1401         BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
1402         BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
1403         BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
1404         BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
1405         BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
1406         BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
1407         BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
1408         BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
1409         BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
1410         BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
1411         BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
1412         BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
1413         BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
1414         BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
1415         BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
1416         BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
1417         BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
1418         BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
1419         BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
1420         BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
1421         BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
1422         BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
1423         BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
1424         BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
1425         BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
1426         * sync-builtins.def: New file, moved from builtins.def.
1427         * omp-builtins.def: New file, moved from builtins.def.
1428         * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
1429         * gimple-low.c (lower_function_body): Clear data.
1430         (lower_stmt): Do not handle COMPOUND_EXPR.
1431         Remove call to print_node_brief.
1432         * c-tree.h (c_finish_omp_clauses): New prototype.
1433         (C_DECL_THREADPRIVATE_P): Define.
1434         (lookup_name_no_remap, c_omp_remap_private): Remove
1435         (c_begin_omp_parallel, c_finish_omp_parallel): Update.
1436         (check_for_loop_decls): Update decl.
1437         (lookup_name_no_remap, c_omp_remap_private): Declare.
1438         (build_indirect_ref, build_modify_expr, pushdecl,
1439         pushdecl_top_level): Move to c-common.h.
1440         * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
1441         before the switch, but just in the 2 places that need it.
1442         * c-decl.c (diagnose_mismatched_decls): Do not check for
1443         mismatched thread-local attributes when OLDDECL is marked
1444         threadprivate and NEWDECL has no thread-local attributes.
1445         (merge_decls): Merge C_DECL_THREADPRIVATE_P.
1446         (c_gimple_diagnostics_recursively): Rename from
1447         c_warn_unused_result_recursively.  Invoke
1448         diagnose_omp_structured_block_errors.
1449         (check_for_loop_decls): Return a singular decl found.
1450         * langhooks.c (lhd_omp_predetermined_sharing): Return
1451         OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
1452         (lhd_omp_firstprivatize_type_sizes): New.
1453         (lhd_omp_assignment): New.
1454         (lhd_omp_predetermined_sharing): New.
1455         * langhooks.h (struct gimplify_omp_ctx): Forward declare.
1456         (struct lang_hooks_for_types): Add
1457         omp_firstprivatize_type_sizes, omp_privatize_by_reference,
1458         omp_predetermined_sharing, omp_disregard_value_expr,
1459         omp_private_debug_clause, omp_clause_default_ctor,
1460         omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
1461         (c_finish_omp_clauses): New.
1462         (c_finish_bc_stmt): Diagnose break within omp for.
1463         (c_begin_omp_parallel, c_finish_omp_parallel): New.
1464         (build_unary_op): Return error_mark after reporting
1465         a readonly_error.
1466         (build_modify_expr): Likewise.
1467         * gimplify.c: Include optabs.h and pointer-set.h.
1468         (enum gimplify_omp_var_data): Declare.
1469         (struct gimplify_omp_ctx): Declare.
1470         (struct gimplify_ctx): Add fields prev_context, combined_pre_p
1471         and combined_ctxp.
1472         (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
1473         (push_gimplify_context, pop_gimplify_context): Allow nesting.
1474         (splay_tree_compare_decl_uid): New.
1475         (new_omp_context): New.
1476         (delete_omp_context): New.
1477         (gimple_add_tmp_var): Call omp_add_variable.
1478         (gimplify_bind_expr): Likewise.
1479         (gimplify_var_or_parm_decl): If omp_notice_variable returned
1480         true, disregard DECL_VALUE_EXPR on the decl if any.
1481         (gimplify_expr_in_ctx): New.
1482         (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
1483         omp_add_variable, omp_notice_variable, omp_is_private
1484         gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
1485         gimplify_adjust_omp_clauses, gimplify_omp_parallel
1486         gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
1487         gimplify_omp_atomic_fetch_op, goa_stabilize_expr
1488         gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
1489         gimplify_omp_atomic): New.
1490         (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1491         OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1492         OMP_CRITICAL and OMP_ATOMIC.
1493         (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
1494         * c-pragma.h (enum pragma_kind): Add
1495         PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
1496         PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
1497         PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
1498         PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
1499         PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
1500         PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
1501         PRAGMA_OMP_THREADPRIVATE.
1502         * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1503         OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1504         OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
1505         OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
1506         OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
1507         OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
1508         OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
1509         OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
1510         OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
1511         * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
1512         * tree-ssa-dce.c (find_control_dependence): Do not assume that
1513         ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
1514         * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
1515         OpenMP directives.
1516         (struct nesting_info): Add field_map,
1517         suppress_expansion, debug_var_chain.
1518         (create_nesting_tree): Initialize them.
1519         (lookup_field_for_decl): Use field_map.
1520         (get_nonlocal_debug_decl, get_local_debug_decl): New.
1521         (convert_local_omp_clauses): New.
1522         (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
1523         (walk_body): Split out of walk_function.
1524         (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
1525         (convert_nonlocal_reference): Handle omp statements.
1526         (convert_local_reference): Likewise.
1527         (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
1528         (unnest_nesting_tree): New.
1529         (lower_nested_functions): Call it.
1530         (insert_field_into_struct): Make extern.
1531         (struct walk_stmt_info): Move to tree-gimple.h.
1532         (walk_stmts): Make extern.
1533         * omp-builtins.def: New file.
1534         * tree-iterator.c (expr_only): Clarify comment.
1535         * c-common.h (pushdecl_top_level, pushdecl,
1536         build_modify_expr, build_indirect_ref,
1537         c_finish_omp_master, c_finish_omp_critical,
1538         c_finish_omp_ordered, c_finish_omp_barrier,
1539         c_finish_omp_atomic, c_finish_omp_flush,
1540         c_finish_omp_for, c_split_parallel_clauses,
1541         omp_clause_default_kind, c_omp_sharing_predetermined,
1542         c_omp_remap_decl): Declare.
1543         * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
1544         (OBJS-common): Add omp-low.o.
1545         (c-omp.o, omp-low.o): Add.
1546         (gimplify.o): Add dependency on $(OPTABS_H).
1547         (GTFILES): Add omp-low.c.
1548         (gt-stringpool.h): Add.
1549         * tree-cfg.c (set_bb_for_stmt): Do not update the
1550         block-to-labels map if we are currently expanding to RTL.
1551         (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
1552         checks.
1553         Handle IDENTIFIER_NODE.
1554         (tree_verify_flow_info): Do not ICE when emitting error
1555         messages about invalid labels.
1556         (dump_function_to_file): Reset CFUN before emitting the body
1557         of the function.
1558         (debug_function): New.
1559         * passes.c (init_optimization_passes): Schedule
1560         pass_lower_omp.
1561         * langhooks-def.h (lhd_omp_predetermined_sharing,
1562         lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
1563         Declare.
1564         (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
1565         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
1566         (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
1567         LANG_HOOKS_OMP_PREDETERMINED_SHARING,
1568         LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
1569         LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
1570         LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
1571         LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
1572         LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
1573         LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
1574         (LANG_HOOK_DECLS): Use them.
1575
1576 2006-01-18  Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
1577             Richard Henderson  <rth@redhat.com>
1578             Jakub Jelinek  <jakub@redhat.com>
1579             Diego Novillo  <dnovillo@redhat.com>
1580
1581         * c-parser.c (pragma_omp_clause): Define.
1582         (c_parser_declaration_or_fndef): Document OpenMP syntax.
1583         (c_parser_compound_statement): Likewise.
1584         (c_parser_statement): Likewise.
1585         (c_parser_pragma): Handle omp pragmas.
1586         (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
1587         OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
1588         (c_parser_omp_clause_name, check_no_duplicate_clause,
1589         c_parser_omp_variable_list,
1590         c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
1591         c_parser_omp_clause_copyprivate,
1592         c_parser_omp_clause_default,
1593         c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
1594         c_parser_omp_clause_lastprivate,
1595         c_parser_omp_clause_nowait,
1596         c_parser_omp_clause_num_threads,
1597         c_parser_omp_clause_ordered, c_parser_omp_clause_private,
1598         c_parser_omp_clause_reduction,
1599         c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
1600         c_parser_omp_all_clauses, c_parser_omp_structured_block,
1601         c_parser_omp_atomic, c_parser_omp_barrier,
1602         c_parser_omp_critical, c_parser_omp_flush,
1603         c_parser_omp_for_loop, c_parser_omp_for,
1604         c_parser_omp_master, c_parser_omp_ordered,
1605         c_parser_omp_sections_scope, c_parser_omp_sections,
1606         c_parser_omp_parallel, c_parser_omp_single,
1607         c_parser_omp_construct, c_parser_omp_threadprivate): New.
1608         * c-pragma.c (init_pragma): Do omp pragma registration here.
1609         * c.opt (fopenmp): New flag.
1610
1611 2006-01-18  Eric Christopher  <echristo@apple.com>
1612
1613         * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
1614         * config/darwin.h (GOMP_SELF_SPECS): Define.
1615
1616 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
1617
1618         * rtl.h: Remove the prototype for reg_alloc.
1619
1620 2006-01-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1621
1622         PR target/25731
1623         * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
1624         hppa[12]*-*-hpux11*): Override default shared libgcc version for both
1625         sjlj and dwarf2 exception handling.
1626         * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
1627         Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
1628         * pa/pa.c (function_value): Treat complex and vector types as
1629         aggregates.
1630         (function_arg): Likewise.  Only pass scalar floats in the floating
1631         point argument registers.
1632         * pa/t-slibgcc-dwarf-ver: New file.
1633         * pa/t-slibgcc-sjlj-ver: New file.
1634         * pa/t-slibgcc-elf-ver: Delete file.
1635
1636 2006-01-19  Alan Modra  <amodra@bigpond.net.au>
1637
1638         * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
1639         unlikely_test_section_p test.
1640
1641 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
1642
1643         * mode-switching.c (optimize_mode_switching): Make it static.
1644         * basic-block.h: Remove the prototype for
1645         optimize_mode_switching.
1646
1647         * modulo-sched.c (sms_schedule): Make it static.
1648         * rtl.h: Remove the prototype for sms_schedule.
1649
1650         * postreload-gcse.c (gcse_after_reload_main): Make it static.
1651         * rtl.h: Remove the prototype for gcse_after_reload_main.
1652
1653         * reg-stack.c (reg_to_stack): Make it static.
1654         * rtl.h: Remove the prototype for reg_to_stack.
1655
1656         * regrename.c (regrename_optimize, copyprop_hardreg_forward):
1657         Make them static.
1658         * rtl.h: Remove the prototypes for regrename_optimize and
1659         copyprop_hardreg_forward.
1660
1661 2006-01-18  Eric Botcazou  <ebotcazou@adacore.com>
1662
1663         * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
1664         alpha_split_tmode_pair.  Add 'mode' and 'fixup_overlap' arguments.
1665         Test against the appropriate null constant for the mode.
1666         If 'fixup_overlap' is true, swap the operands if they overlap.
1667         (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
1668         * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
1669         alpha_split_tmode_pair and adjust for above change.
1670         * config/alpha/alpha.md (movtf_internal): Adjust call to
1671         alpha_split_tfmode_pair and rely on it to swap the operands.
1672         (movti_internal): New insn and post-reload splitter.
1673         (movti): New expander.
1674
1675 2006-01-18  Philippe De Muyter  <phdm@macqel.be>
1676
1677         * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
1678         operands.
1679
1680 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
1681
1682         * rtlanal.c (global_reg_mentioned_p_1,
1683         global_reg_mentioned_p): Remove.
1684         * rtl.h: Remove the prototype for global_reg_mentioned_p.
1685
1686         * flow.c (initialize_uninitialized_subregs): Make it static.
1687         * rtl.h: Remove the prototype for
1688         initialize_uninitialized_subregs.
1689
1690         * function.c (instantiate_virtual_regs): Make it static.
1691         * function.h: Remove the prototype for
1692         instantiate_virtual_regs.
1693
1694         * regmove.c (regmove_optimize, combine_stack_adjustments):
1695         Make them static.
1696         * rtl.h: Remove the prototypes for regmove_optimize and
1697         combine_stack_adjustments.
1698
1699 2006-01-17  Roger Sayle  <roger@eyesopen.com>
1700
1701         * config/i386/i386.c (COSTS_N_BYTES): New macro.
1702         (size_cost): Encode costs in bytes so that a reg-reg addition is
1703         equivalent to COSTS_N_INSNS(1).
1704         (override_options): Use the size_cost.branch_cost as the default
1705         ix86_branch_cost when optimizing for size.
1706
1707 2006-01-18  Ben Elliston  <bje@au.ibm.com>
1708
1709         * Makefile.in (D32PBIT_FUNCS): New.
1710         (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
1711         (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
1712         D64PBIT_FUNCS and D128PBIT_FUNCS.
1713         (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
1714         * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
1715         D128PBIT are set.
1716         (decnumber_dep): Define.
1717         * doc/libgcc.texi (Decimal float library routines): New node.
1718         * config/dfp-bit.h, config/dfp-bit.c: New files.
1719
1720 2006-01-18  Ben Elliston  <bje@au.ibm.com>
1721
1722         * expr.c (emit_move_change_mode): Always adjust addresses, not
1723         just during reload.  Copy replacements only during reload.
1724         (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
1725         emit_move_via_integer.
1726
1727 2006-01-17  Shantonu Sen  <ssen@opendarwin.org>
1728
1729         * Makefile.in (check-%, check-consistency): Use $${srcdir}
1730         instead of $(srcdir) and ${srcdir}.
1731
1732 2006-01-17  Richard Earnshaw  <rearnsha@arm.com>
1733
1734         PR target/592
1735         PR middle-end/11135
1736         * arm.h (struct machine_function): Add pic_reg.
1737         * arm.c (arm_pic_register): Make unsigned.
1738         (arm_override_options): Only set arm_pic_register if
1739         TARGET_SINGLE_PIC_BASE.
1740         (use_return_insn): Only test for a pic register if it is fixed.
1741         (arm_compute_save_reg0_reg12_mask): Likewise.
1742         (thumb_compute_save_reg_mask): Likewise.
1743         (legitimate_pic_operand): Factor out some known invariants.
1744         (legitimize_pic_address): If we don't have a fixed pic register,
1745         then set up a pseudo in the function entry sequence.  Handle the
1746         pic base being in a pseudo.
1747         (arm_load_pic_register): Handle the pic register being in a pseudo.
1748         (arm_expand_prologue): Only set up the pic register if it is fixed.
1749         (thumb_expand_prologue): Likewise.
1750         * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
1751         (pic_load_addr_based_insn): Likewise.
1752         (builtin_setjmp_receiver): Don't restore the pic base if it isn't
1753         fixed.
1754
1755 2006-01-18  Ben Elliston  <bje@au.ibm.com>
1756
1757         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
1758         decimal float modes for all floating point registers.
1759
1760         * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
1761         match_code "mem" with match_test "macho_lo_sum_memory_operand".
1762
1763 2006-01-17  Jakub Jelinek  <jakub@redhat.com>
1764
1765         PR c/25682
1766         * c-typeck.c (build_unary_op): Fold offsetof-like expressions
1767         even when the pointer is not NULL.
1768
1769 2006-01-16  Ian Lance Taylor  <ian@airs.com>
1770
1771         * common.opt (ftoplevel-reorder): New option.
1772         * cgraph.c (cgraph_asm_nodes): New global variable.
1773         (cgraph_asm_last_node): New static variable.
1774         (cgraph_order): New global variable.
1775         (cgraph_create_node): Set new order field.
1776         (cgraph_varpool_node): Likewise.
1777         (decide_is_variable_needed): Return true if not
1778         flag_toplevel_reorder.
1779         (cgraph_add_asm_node): New function.
1780         * cgraph.h (struct cgraph_node): Add order field.
1781         (struct cgraph_varpool_node): Add order field.
1782         (struct cgraph_asm_node): Define.
1783         (cgraph_asm_nodes, cgraph_order): Declare.
1784         (cgraph_add_asm_node): Declare.
1785         * cgraphunit.c (cgraph_varpool_assemble_decl): New static
1786         function.
1787         (cgraph_varpool_assemble_pending_decls): Call it.
1788         (cgraph_output_pending_asms): New static function.
1789         (cgraph_finalize_compilation_unit): Call it.
1790         (struct cgraph_order_sort): Define.
1791         (cgraph_output_in_order): New static function.
1792         (cgraph_optimize): Call cgraph_output_pending_asms.  Add code for
1793         !flag_toplevel_reorder case.
1794         * c-parser.c: Include "cgraph.h".
1795         (c_parser_asm_definition): Call cgraph_add_asm_node rather than
1796         assemble_asm.
1797         * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
1798         than -fno-unit-at-a-time.
1799         * doc/invoke.texi (Option Summary): Mention
1800         -fno-toplevel-reorder.
1801         (Optimize Options): Document -fno-toplevel-reorder.  Mention it in
1802         -funit-at-a-time documentation.
1803
1804 2006-01-17  Hans-Peter Nilsson  <hp@axis.com>
1805             Kazu Hirata  <kazu@codesourcery.com>
1806
1807         * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
1808
1809 2006-01-17  Kazu Hirata  <kazu@codesourcery.com>
1810
1811         * Makefile.in (FUNCTION_H): New.  Use it instead of
1812         function.h throughout the file.
1813         * function.h: Include tree.h.
1814
1815 2006-01-17  Ben Elliston  <bje@au.ibm.com>
1816
1817         * recog.c: Separate some functions with whitespace.
1818
1819 2006-01-16  Richard Henderson  <rth@redhat.com>
1820
1821         Merge from gomp branch:
1822         * Makefile.in (TREE_INLINE_H): New.  Use it as needed.
1823         * tree-inline.h (struct copy_body_data): Move from tree-inline.c
1824         and rename from struct inline_data.  Rename callee* to dst*;
1825         caller* to src*; add copy_decl hook, transform_call_graph_edges,
1826         transform_new_cfg, transform_return_to_modify, and
1827         transform_lang_insert_block flags; remove cloning_p, versioning_p,
1828         update_clones_p.
1829         (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
1830         (copy_decl_for_dup): Remove.
1831         * tree-inline.c (struct inline_data): Move to header.
1832         (insert_decl_map): Export.
1833         (remap_decl): Update for member name changes.  Use copy_decl hook.
1834         Allow for replacement to be a non-decl.  Remove dead code.
1835         (remap_type_1): Check for existing mapping.
1836         (remap_type): Export.
1837         (remap_decls): Update for member name changes.
1838         (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
1839         (copy_body, setup_one_parameter, declare_return_variable): Likewise.
1840         (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
1841         (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
1842         (tree_function_versioning, build_duplicate_type): Likewise.
1843         (copy_body_r): Likewise.  Export.
1844         (copy_decl_for_dup): Split into ...
1845         (copy_decl_for_dup_finish, copy_decl_to_var,
1846         copy_decl_no_change, copy_decl_maybe_to_var): ... these.
1847         (replace_ref_tree, inlining_p): Remove.
1848
1849 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
1850
1851         * ifcvt.c (if_convert): Make it static.
1852         * rtl.h: Remove the prototype for if_convert.
1853
1854         * local-alloc.c (local_alloc): Make it static.
1855         * rtl.h: Remove the prototype for local_alloc.
1856
1857         * loop.c (loop_optimize): Make it static.
1858         * cfgloop.h: Remove the prototype for loop_optimize.
1859         * rtl.h: Likewise.
1860
1861 2006-01-16  DJ Delorie  <dj@redhat.com>
1862
1863         * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
1864         mems.
1865
1866 2006-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1867
1868         * pa.md: Disparage copies between general and floating-point registers
1869         in 32-bit move patterns.
1870
1871 2006-01-16  H.J. Lu  <hongjiu.lu@intel.com>
1872
1873         PR testsuite/25741
1874         * Makefile.in (check-%): Depend on site.exp instead of
1875         $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
1876         directories.
1877
1878 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
1879
1880         * global.c (global_alloc): Make it static.
1881         * rtl.h: Remove the prototype for global_alloc.
1882
1883 2006-01-16  Richard Guenther  <rguenther@suse.de>
1884
1885         * tree-ssa-alias.c (struct used_part): Add write_only field.
1886         (get_or_create_used_part_for): Initialize it to true.
1887         (create_overlap_variables_for): Don't create structure variables
1888         for structures that only are written to.
1889         (find_used_portions): Handle MODIFY_EXPR to track whether a
1890         structure is only written to.
1891
1892 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
1893
1894         * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
1895         static.
1896         * basic-block.h: Remove the prototype for
1897         partition_hot_cold_basic_blocks.
1898
1899 2006-01-16  Rafael Ãƒvila de Espíndola <rafael.espindola@gmail.com>
1900
1901         * cppspec.c (lang_specific_spec_functions): Remove.
1902         * gcc.c (lookup_spec_function): Use static_spec_functions directly.
1903         * gcc.h (lang_specific_spec_functions): Remove.
1904         * gccspec.c (lang_specific_spec_functions): Remove.
1905
1906 2006-01-16  Paolo Bonzini  <bonzini@gnu.org>
1907
1908         * combine.c (record_value_for_reg): Invalidate registers
1909         if INSN is null.
1910         (record_dead_and_set_regs_1): Likewise, by passing them to
1911         record_value_for_reg.
1912         (record_dead_and_set_regs): Invalidate stores made by a
1913         call.  We do not combine across a call, but we still
1914         relied on equivalences.
1915
1916 2006-01-16  Eric Botcazou  <ebotcazou@adacore.com>
1917
1918         * tree-vrp.c (extract_range_from_binary_expr): Cope with
1919         vrp_int_const_binop returning non-constant nodes.
1920
1921 2006-01-16  Paul Brook  <paul@codesourcery.com>
1922
1923         * config/m68k/m68k.c (output_move_const_into_data_reg):
1924         Output correct mnemonic for mvz and mvs.
1925
1926 2006-01-16  Gabor Loki  <loki@gcc.gnu.org>
1927
1928         * rtl-factoring.c: Add sequence abstraction algorithm.
1929         * cfgcleanup.c (outgoing_edges_match): Extra checks.
1930         (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
1931         ABNORMAL edges.
1932         (block_has_preserve_label): New function.
1933         * common.opt: Register new pass.
1934         * Makefile.in: Ditto.
1935         * passes.c: Ditto.
1936         * timevar.def: Ditto.
1937         * tree-pass.h: Ditto.
1938         * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
1939         * rtl.h (make_jump_insn_raw): Add forward decl.
1940         * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
1941
1942 2006-01-16  Eric Botcazou  <ebotcazou@adacore.com>
1943             Roger Sayle  <roger@eyesopen.com>
1944
1945         * fold-const.c (fold_minmax): New static function.
1946         (fold_binary) <MIN_EXPR>: Call it.
1947         <MAX_EXPR>: Likewise.
1948         * stor-layout.c (place_field): Use DECL_SIZE consistently
1949         in the computation of the new record size.
1950
1951 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
1952
1953         * cse.c (cse_condition_code_reg): Make it static.
1954         * rtl.h: Remove the prototype for cse_condition_code_reg.
1955
1956         * combine.c (combine_instructions): Make it static.
1957         * rtl.h: Remove the prototype for combine_instructions.
1958
1959 2006-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1960
1961         PR target/25168
1962         * tree.c (get_file_function_name_long): Concatenate the first global
1963         object name with a string derived from the input filename of the object
1964         for type "F".
1965
1966 2006-01-16  Ben Elliston  <bje@au.ibm.com>
1967
1968         * config/i386/winnt-stubs.c: Update FSF address.
1969         * config/xtensa/ieee754-df.S: Ditto.
1970         * config/xtensa/ieee754-sf.S: Ditto.
1971
1972 2006-01-14  Ian Lance Taylor  <ian@airs.com>
1973
1974         * ifcvt.c (noce_init_if_info): New static function, broken out of
1975         noce_process_if_block.
1976         (noce_process_if_block): Call noce_init_if_info.
1977         (check_cond_move_block): New static function.
1978         (cond_move_process_if_block): New static function.
1979         (process_if_block): Call cond_move_process_if_block.
1980
1981 2006-01-15  Kazu Hirata  <kazu@codesourcery.com>
1982
1983         * cselib.c (hash_table): Rename to cselib_hash_table.
1984         (cselib_clear_table, discard_useless_values,
1985         remove_useless_values, cselib_lookup_mem, cselib_lookup,
1986         cselib_init, cselib_finish): Adjust uses of hash_table.
1987
1988 2006-01-14  Kazu Hirata  <kazu@codesourcery.com>
1989
1990         PR tree-optimization/25485
1991         * tree-vrp.c (extract_range_from_binary_expr): Handle cases
1992         where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
1993         is known to be false and true, respectively.
1994
1995 2006-01-14  Richard Guenther  <rguenther@suse.de>
1996
1997         PR tree-optimization/22548
1998         PR tree-optimization/22555
1999         PR tree-optimization/22501
2000         * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
2001         * params.def (salias-max-array-elements): New parameter.
2002         * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
2003         * doc/invoke.texi (salias-max-array-elements): Document.
2004         * tree-flow-inline.h (var_can_have_subvars): We also handle
2005         arrays now.
2006         * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
2007         COMPONENT_REF.
2008         * tree-ssa-structalias.c (params.h): Include.
2009         (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
2010         (find_func_aliases): Handle multiple constraints from ARRAY_REF.
2011         (get_constraint_for): For ADDR_EXPR operating on something
2012         containing an ARRAY_REF, add all subvars to the solution.
2013         (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
2014         * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
2015         for creating MUST_DEFs.
2016         (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
2017
2018 2006-01-14  Zdenek Dvorak <dvorakz@suse.cz>
2019
2020         * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
2021         functions.
2022         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
2023         assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2024         number_of_iterations_le): New functions.
2025         (number_of_iterations_special): Removed.
2026         (number_of_iterations_exit): Do not use number_of_iterations_special.
2027         * tree.c (unsigned_type_for): Always return integer type.
2028
2029 2006-01-14  Steven Bosscher  <stevenb.gcc@gmail.com>
2030         Richard Guenther  <rguenther@suse.de>
2031
2032         PR rtl-optimization/24257
2033         * gcse.c (find_moveable_store): Only consider a store movable
2034         when the SET_SRC of the insn can be assigned to a register.
2035
2036 2006-01-14  Ian Lance Taylor  <ian@airs.com>
2037
2038         * tree.c (tree_not_class_check_failed): New function.
2039         * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
2040         (tree_not_class_check_failed): Declare.
2041
2042 2006-01-13  Ian Lance Taylor  <ian@airs.com>
2043
2044         * reload1.c (do_output_reload): Add assertion rejecting a
2045         CALL_INSN.
2046
2047 2006-01-13  Adam Nemet  <anemet@caviumnetworks.com>
2048
2049         * combine.c (struct reg_stat): Add new fields truncation_label and
2050         truncated_to_mode.
2051         (record_value_for_reg): Reset truncated_to_mode.
2052         (record_truncated_value): New function.
2053         (check_promoted_subreg): Call it.  Rename to check_conversions.
2054         (combine_instructions): Rename check_promoted_subreg to
2055         check_conversions.
2056         (reg_truncated_to_mode): New function.
2057         (make_extraction): Use it.  Check TRULY_NOOP_TRUNCATION.
2058         (gen_lowpart_or_truncate): New function.
2059         (force_to_mode): Use it instead of gen_lowpart.
2060
2061 2006-01-13  Diego Novillo  <dnovillo@redhat.com>
2062
2063         * tree-ssa-alias.c (add_type_alias): Fix typo.  Test whether
2064         VAR is a tag, not its type tag.
2065
2066 2006-01-13  Alexandre Oliva  <aoliva@redhat.com>
2067
2068         * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
2069         alternatives to match style of other entries.
2070         (*vec_extractv2di_1_sse): Likewise.  Fix mode attr.
2071
2072 2006-01-13  Daniel Berlin  <dberlin@dberlin.org>
2073
2074         PR tree-optimization/25771
2075         * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
2076         SSA_NAMES.
2077
2078 2006-01-13  Andrew Pinski  <pinskia@physics.uc.edu>
2079
2080         PR tree-opt/24365
2081         * tree-inline.c (declare_return_variable): If the return variable
2082         was marked as a non gimple complex, set the return slot variable
2083         to be a non gimple comple variable.
2084
2085 2006-01-13  Richard Guenther  <rguenther@suse.de>
2086
2087         * builtins.c (expand_builtin_sincos): New function.
2088         (expand_builtin_mathfn_3): Remove dead code, sin and cos
2089         do not set errno.
2090         (expand_builtin): Expand sincos using expand_builtin_sincos.
2091
2092 2006-01-12  DJ Delorie  <dj@redhat.com>
2093
2094         * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
2095         shift counts, separate SI shifts for m32c vs m16c, pass shift type
2096         so that constant shifts can be split.
2097         * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
2098         (m32c_valid_pointer_mode): Make static.
2099         (shift_gen_func_for): New.
2100         (m32c_prepare_shift): Use it.  Split large const shifts into
2101         multiple shifts.
2102         * config/m32c/predicates.md (shiftcount_operand): Allow more
2103         general operands.
2104         (longshiftcount_operand): New.
2105         * doc/md.texi (Machine Constraints): Document In6.
2106
2107 2006-01-13  Ben Elliston  <bje@au.ibm.com>
2108
2109         * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
2110         REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
2111         documentation.
2112
2113 2006-01-12  Daniel Berlin  <dberlin@dberlin.org>
2114
2115         * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
2116         to try to avoid clobbering pieces of structures when we know
2117         something about the whole structure.
2118         * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
2119
2120 2006-01-13  Ben Elliston  <bje@au.ibm.com>
2121
2122         * doc/rtl.texi (Insns): Remove statement that libcalls cannot
2123         return in memory, as this is no limitation is no longer present.
2124
2125 2006-01-12  DJ Delorie  <dj@redhat.com>
2126
2127         * config/m32c/addsub.md (addhi3): Add two more alternatives, for
2128         mova with fb, and for fb+0 -> An.
2129
2130         * config/m32c/mov.md (peephole2): Fix enabling logic.
2131
2132         * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
2133         DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
2134         DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
2135         FINI_ARRAY_SECTION_ASM_OP): Define.
2136
2137         * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
2138         variable.
2139         (m32c_legitimize_reload_address): New logic to reload FB to An.
2140         (m32c_output_reg_push): Add newline.
2141         (m32c_output_reg_pop): Likewise.
2142
2143 2006-01-12  Ulrich Weigand  <uweigand@de.ibm.com>
2144
2145         * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
2146
2147 2006-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
2148
2149         * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
2150
2151 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
2152
2153         * config/sh/predicates.md (sh_rep_vec): Add parallel to
2154         match_code.
2155
2156 2006-01-11  Ben Elliston  <bje@au.ibm.com>
2157
2158         * rtlanal.c (find_reg_note): Assert insn is not null.
2159
2160 2006-01-11  Kenneth Zadeck <zadeck@naturalbridge.com>
2161
2162         * df-scan.c (df_hard_reg_init): Move declaration of i outside
2163         ifdef.
2164
2165 2006-01-11  Jeff Law  <law@redhat.com>
2166
2167         * tree-ssa-threadupdate.c (threaded_edges): New VEC to
2168         hold edge pairs.
2169         (mark_threaded_blocks, register_jump_thread): New functions.
2170         (thread_through_all_blocks): Remove unwanted argument.  No
2171         longer rely on e->aux to communicate thread target info.
2172         Call mark_threaded_blocks.  Release the threaded_blocks
2173         bitmap and threaded_edges vector when complete.
2174         * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
2175         (threaded_blocks): Remove.
2176         (tree_ssa_dominator_optimize): Remove initialization and
2177         finalization of threaded_blocks.  Simplify call to
2178         thread_through_all_blocks.
2179         (thread_across_edge): Call register_jump_thread rather than
2180         storing thread information into e->aux.
2181         (free_all_edge_infos): Simplify now that e->aux is no longer
2182         used to communicate with thread_through_all_blocks.
2183         * tree-flow.h (thread_through_all_blocks): Update prototype.
2184         (register_jump_thread): Prototype.
2185
2186 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
2187
2188         * df-core.c (df_compact_blocks, df_bb_replace): Use
2189         SET_BASIC_BLOCK instead of BASIC_BLOCK.
2190
2191 2006-01-11  Richard Guenther  <rguenther@suse.de>
2192
2193         PR tree-optimization/25734
2194         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
2195         stop propagation after successful propagation to the LHS.
2196
2197 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
2198
2199         * basic-block.h (control_flow_graph): Change the type of
2200         x_basic_block_info to VEC(basic_block,gc) *.
2201         (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
2202         basic_block_info.
2203         (SET_BASIC_BLOCK): New.
2204         * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
2205         instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
2206         * cfgbuild.c (find_basic_blocks): Likewise.
2207         * cfglayout.c (fixup_reorder_chain): Likewise.
2208         * cfgrtl.c (create_basic_block_structure,
2209         rtl_create_basic_block): Likewise.
2210         * ifcvt.c (find_if_case_1): Likewise.
2211         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
2212         Likewise.
2213
2214 2006-01-11  Kenneth Zadeck <zadeck@naturalbridge.com>
2215
2216         * Makefile.in: Removed rotted odf.c entry.
2217
2218 2006-01-11  Hans-Peter Nilsson  <hp@axis.com>
2219
2220         PR target/25706
2221         * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
2222         ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
2223         ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
2224         output pattern modifier, not %e.
2225         * config/cris/cris.c (cris_op_str): Update comment about pattern
2226         modifier.
2227         (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
2228         before falling through into...
2229         <case 'E'>: Redefined from old 'e' case.
2230
2231 2006-01-11  Jan Hubicka  <jh@suse.cz>
2232
2233         PR target/25042
2234         * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
2235
2236 2006-01-11  Jan Hubicka  <jh@suse.cz>
2237
2238         * i386.h (TARGET_DECOMPOSE_LEA): Kill.
2239         * i386.c (x86_decompose_lea): Kill.
2240         (ix86_rtx_costs): Kill.
2241
2242 2006-01-11  Jan Hubicka  <jh@suse.cz>
2243
2244         * cgraph.c (cgraph_insert_node_to_hashtable): New function.
2245         * cgraph.h (cgraph_node): Add inline_decl.
2246         (cgraph_insert_node_to_hashtable): Declare.
2247         (save_inline_function_body): Declare.
2248         * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
2249         clones.
2250         (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
2251         (cgraph_function_versioning): Update call of tree_function_versioning.
2252         (save_inline_function_body): New function.
2253         * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
2254         saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
2255         * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
2256         (cgraph_default_inline_p): Likewise.
2257         (cgraph_decide_inlining_incrementally): Likewise.
2258         * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
2259         (copy_bb): Kill saving; do updating of clones.
2260         (copy_cfg_body): Kill saving.
2261         (initialize_inlined-parameters): Likewise.
2262         (expand_call_inline): Likewise.
2263         (save_body): Kill.
2264         (tree_function_versioning): New parameter "update_clones".
2265         (inlining_p): Kill saving.
2266         * tree-inline.h (tree_function_versioning): Update prototype.
2267         * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
2268         saving.
2269
2270 2006-01-11  Ian Lance Taylor <ian@airs.com>
2271
2272         * combine.c (struct undo): Remove is_int.  Enumify types of undos.
2273         Allow undoing set of machine mode.
2274         (do_SUBST): Use enums instead of is_int.
2275         (do_SUBST_MODE): New function.
2276         (SUBST_MODE): New macro.
2277         (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
2278         reg and trying to replace reg_regno_rtx with a new register.
2279         (undo_all): Use new enums, handle undoing a PUT_MODE change.
2280         (simplify_set): Use SUBST_MODE.
2281         (distribute_notes): Remove code that tried to update reg notes
2282         for regno_reg_rtx changes.
2283
2284 2006-01-11  Paolo Bonzini  <bonzini@gnu.org>
2285
2286         PR tree-optimization/23109
2287         PR tree-optimization/23948
2288         PR tree-optimization/24123
2289
2290         * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
2291         * tree-cfg.c (single_noncomplex_succ): New.
2292         * tree-flow.h (single_noncomplex_succ): Declare it.
2293         * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2294         * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2295         (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
2296         insert_bb, register_division_in, insert_reciprocals,
2297         replace_reciprocal, free_bb): New.
2298         (execute_cse_reciprocals_1): Rewritten.
2299         (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
2300         Do not commit any edge insertion.  Always compute dominators and
2301         create the allocation pool.
2302         * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
2303         * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
2304         * targhooks.c (default_min_divistions_for_recip_mul): New.
2305         * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
2306         * passes.c (init_optimization_passes): Run recip after tree loop
2307         optimizations.
2308         * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
2309
2310 2006-01-11  Danny Berlin <dberlin@dberlin.org>
2311             Kenneth Zadeck <zadeck@naturalbridge.com>
2312
2313         * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
2314         DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
2315         DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
2316         DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
2317         DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
2318         DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
2319         DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
2320         DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
2321         DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
2322         DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
2323         DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
2324         DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
2325         DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
2326         DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
2327         DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
2328         DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
2329         DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
2330         DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
2331         DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
2332         DF_SCAN_POST_ALLOC): New macros.
2333         (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
2334         df_free_bb_function, df_local_compute_function, df_init_function,
2335         df_dataflow_function, df_confluence_function_0,
2336         df_confluence_function_n, df_transfer_function,
2337         df_finalizer_function, df_free_function, df_dump_problem_function,
2338         df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
2339         df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
2340         df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
2341         df_urec_bb_info, ) New types.
2342         (df_invalidated_by_call, df_all_hard_regs, df_state) New public
2343         variables.
2344         (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
2345         df_analyze_simple_change_some_blocks,
2346         df_analyze_simple_change_one_block, df_compact_blocks,
2347         df_bb_replace, df_bb_regno_last_use_find,
2348         df_bb_regno_first_def_find, df_bb_regno_last_def_find,
2349         df_insn_regno_def_p, df_find_def, df_find_use,
2350         df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
2351         df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
2352         df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
2353         debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
2354         debug_df_chain, df_get_dependent_problem, df_chain_create,
2355         df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
2356         df_grow_bb_info, df_chain_dump, df_print_bb_index,
2357         df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
2358         df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
2359         df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
2360         df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
2361         df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
2362         df_rescan_blocks, df_ref_create, df_get_artificial_defs,
2363         df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
2364         df_ref_remove, df_insn_refs_delete, df_refs_delete,
2365         df_reorganize_refs, df_set_state, df_hard_reg_init,
2366         df_read_modify_subreg_p) New public functions.
2367         * df-core.c: The core dataflow solver and glue routines for rtl
2368         dataflow.
2369         (df_init, df_add_problem, df_set_blocks, df_finish,
2370         df_hybrid_search_forward, df_hybrid_search_backward,
2371         df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
2372         df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
2373         df_bb_regno_last_use_find, df_bb_regno_first_def_find,
2374         df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
2375         df_reg_defined, df_find_use, df_reg_used, df_dump,
2376         df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
2377         df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
2378         debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
2379         debug_df_useno, reset_df_after_reload): New functions.
2380         * df-scan.c: The scanning fuctions, once in df.c, completely
2381         rewritten so that they now fully model the functionality of
2382         register usage at the backend.
2383         (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
2384         df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
2385         df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
2386         df_grow_insn_info, df_rescan_blocks, df_ref_create,
2387         df_get_artificial_defs, df_get_artificial_uses,
2388         df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
2389         df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
2390         df_refs_delete, df_reorganize_refs, df_set_state,
2391         df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
2392         df_def_record_1, df_defs_record, df_uses_record,
2393         df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
2394         df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
2395         df_record_exit_block_uses, df_hard_reg_init): New functions.
2396
2397         * df-problems.c: Seven concrete dataflow problems that use the
2398         scanning in df-scan.c and are solved by the engine in df-core.c.
2399         (df_get_dependent_problem, df_chain_create, df_chain_unlink,
2400         df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
2401         df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
2402         df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
2403         df_ru_free_bb_info, df_ru_alloc,
2404         df_ru_bb_local_compute_process_def,
2405         df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
2406         df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
2407         df_ru_transfer_function, df_ru_free, df_ru_dump,
2408         df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
2409         df_rd_free_bb_info, df_rd_alloc,
2410         df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
2411         df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
2412         df_rd_transfer_function, df_rd_free, df_rd_dump,
2413         df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
2414         df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
2415         df_lr_local_compute, df_lr_init, df_lr_confluence_0,
2416         df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
2417         df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
2418         df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
2419         df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
2420         df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
2421         df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
2422         df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
2423         df_urec_mark_reg_change, df_urec_check_earlyclobber,
2424         df_urec_mark_reg_use_for_earlyclobber,
2425         df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
2426         df_urec_local_compute, df_urec_init, df_urec_local_finalize,
2427         df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
2428         df_urec_dump, df_urec_add_problem, df_chain_alloc,
2429         df_chain_create_bb_process_use, df_chain_create_bb,
2430         df_chain_finalize, df_chain_free, df_chains_dump,
2431         df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
2432         df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
2433         df_reg_lifetime): New functions.
2434         * df.c: Deleted file.
2435         * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
2436         consistent with new df api.
2437         * modulo-sched.c (sms_schedule, rest_of_handle_sms,
2438         rest_of_handle_sms): Ditto.
2439         * web.c (unionfind_union, union_defs, entry_register, web_main):
2440         Ditto.
2441         * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
2442         invariant_expr_equal_p, find_defs, check_dependencies,
2443         find_invariant_insn, find_invariants_to_move, move_invariant_reg,
2444         free_inv_motion_data, move_loop_invariants): Ditto.
2445         * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
2446         Update dependencies.
2447         (odf.c): Added defective entry that was deleted later in day.
2448         * sched-deps.c (sched_analyze_1): Ditto.
2449
2450 2006-01-11  Zdenek Dvorak <dvorakz@suse.cz>
2451
2452         * tree-ssa-operands.c (get_expr_operands): Record addressable
2453         variables directly.  Do not call add_stmt_operands for CONST_DECLs
2454         and ARRAY_DECLs.
2455         (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
2456         (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
2457
2458 2006-01-11  Ben Elliston  <bje@au.ibm.com>
2459
2460         * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
2461         function returns true in the positive case.
2462
2463 2006-01-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2464
2465         PR target/20754
2466         * config/pa/pa.md: Create separate 32 and 64-bit move patterns
2467         for SI, DI, SF and DF modes.  Add alternatives to copy between
2468         general and floating point registers to the 32-bit patterns.
2469         * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
2470         * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
2471         (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
2472         generating 64-bit code.
2473         * config/pa/pa.c (output_move_double): Handle copies between general
2474         and floating registers.
2475
2476 2006-01-10  Stuart Hastings  <stuart@apple.com>
2477
2478         * config/i386/i386.md (set_got): Update.
2479         (set_got_labelled): New.  (UNSPEC_LD_MPIC): New.
2480         (builtin_setjmp_receiver): Mach-O support.
2481         * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
2482         (GOT_SYMBOL_NAME): Define.
2483         (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
2484         (TARGET_DEEP_BRANCH_PREDICTION): Remove.
2485         * config/i386/i386.c (override_options): Revise for Darwin.
2486         (USE_HIDDEN_LINKONCE): Enable for Mach-O.  (ix86_file_end): Mach-O
2487         support.  (darwin_x86_file_end): New.  (output_set_got): Add label
2488         parameter, revise for Mach-O.  (x86_output_mi_thunk): Likewise.
2489         * config/i386/i386-protos.h (output_set_got): Likewise.
2490         * config/darwin.c (machopic_legitimize_pic_address): Update
2491         regs_ever_live[].
2492
2493 2006-01-10  Kaz Kojima  <kkojima@gcc.gnu.org>
2494
2495         * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
2496         when MODE isn't BLKmode.
2497
2498 2006-01-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
2499
2500         PR rtl-optimization/25367
2501         * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
2502
2503 2006-01-10  Hans-Peter Nilsson  <hp@axis.com>
2504
2505         PR target/25718
2506         * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
2507         for a negative bound.
2508
2509 2006-01-10  Richard Guenther  <rguenther@suse.de>
2510
2511         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2512         Never override with anything constraint.
2513
2514 2006-01-10  Jan Beulich  <jbeulich@novell.com>
2515
2516         * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
2517         256 bits when optimize_size.
2518
2519 2006-01-10  Jan Beulich  <jbeulich@novell.com>
2520
2521         * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
2522         MASK_ALIGN_DOUBLE.
2523         * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
2524         * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
2525         arguments.
2526
2527 2006-01-10  Ben Elliston  <bje@au.ibm.com>
2528
2529         * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
2530         float modes.
2531         * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
2532         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2533         (USE_FP_FOR_ARG): Reject decimal float modes.
2534         (function_arg_advance): Likewise.
2535         (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
2536         (rs6000_handle_altivec_attribute): Do not permit decimal floating
2537         point types in AltiVec vectors.
2538         (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
2539         (rs6000_libcall_value): Likewise.
2540
2541 2006-01-09  Bob Wilson  <bob.wilson@acm.org>
2542
2543         * config/xtensa/ieee754-df.S: New file.
2544         * config/xtensa/ieee754-sf.S: New file.
2545         * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
2546         (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
2547         * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
2548
2549 2006-01-09  Kazu Hirata  <kazu@codesourcery.com>
2550
2551         * config/sh/predicates.md (binary_float_operator,
2552         binary_logical_operator, commutative_float_operator,
2553         equality_comparison_operator, greater_comparison_operator,
2554         less_comparison_operator, logical_operator,
2555         noncommutative_float_operator, shift_operator,
2556         symbol_ref_operand, unary_float_operator): Remove redundant
2557         conditionals.
2558
2559 2006-01-09  Jeff Law  <law@redhat.com>
2560
2561         * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
2562         code to propagate the RHS of a cast into COND_EXPR_COND.  Remove
2563         now unused arguments.  Callers updated.
2564         (eliminate_redundant_computations): Remove now unused arguments,
2565         callers updated.
2566         (local_fold): Remove, no longer used.
2567         (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
2568         and moved to...
2569         * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
2570         (simplify_cond): New function.
2571         (forward_propagate_into_cond): Call simplify_cond.
2572
2573 2006-01-09  Alexandre Oliva  <aoliva@redhat.com>
2574
2575         * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
2576         (*vec_extractv2di_1_sse): New.
2577
2578 2006-01-09  Ben Elliston  <bje@au.ibm.com>
2579
2580         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
2581
2582 2006-01-08  Richard Guenther  <rguenther@suse.de>
2583
2584         * tree-ssa-structalias.c (get_constraint_for): Remove
2585         anyoffset argument.
2586         (get_constraint_for_component_ref): Likewise.
2587         (do_deref): Likewise.
2588         (get_constraint_for): Likewise.
2589         (do_structure_copy): Likewise.
2590         (handle_ptr_arith): Likewise.
2591         (find_func_aliases): Likewise.  Remove unused need_anyoffset
2592         variable.
2593
2594 2006-01-08  J"orn Rennecke  <joern.rennecke@st.com>
2595             Kaz Kojima  <kkojima@gcc.gnu.org>
2596
2597         * config/sh/sh.h (CONST_OK_FOR_K16): Define.
2598         (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
2599         (EXTRA_CONSTRAINT_C16): Remove.
2600         (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
2601         (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
2602         EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
2603         * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
2604         constants of SHmedia.  Handle nested constant expressions of
2605         SHmedia correctly.
2606         (andcosts): Fix the costs for SHmedia constants.
2607         (sh_rtx_costs): Take account of outer_code for SHmedia constants.
2608         * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
2609         (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
2610         (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
2611         (movv4hi_i, movv2si_i): Likewise.
2612         (movsi_const): Adjust the second operand of ior so to match with
2613         the Csu constraint.
2614         (movdi_const, movdi_const_32bit): Likewise.
2615         (movdi_const_16bit+1): Don't sign-extend LOW.
2616         (movdi_const_16bit+2): Likewise.  Remove the zero_extend and truncate
2617         step.
2618         (*double_shori): Fix the split condition.  Use GEN_INT instead
2619         of get_int_mode calls.  Mask lower 16-bit of the argument of
2620         the last GEN_INT.
2621         (sym2GOTPLT): Remove.
2622         (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
2623         gen_rtx_UNSPEC.
2624         * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
2625         instead of EXTRA_CONSTRAINT_C16.
2626
2627 2006-01-07  Ian Lance Taylor  <ian@airs.com>
2628             David Edelsohn  <edelsohn@gnu.org>
2629
2630         PR rtl-optimization/25662
2631         * optabs.c (simplify_expand_binop): Use simplify_binary_operation
2632         for constant operands instead of simplify_gen_binary.
2633         * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
2634         after trying simplify_binary_operation
2635
2636 2006-01-06  Daniel Berlin  <dberlin@dberlin.org>
2637
2638         * tree.c (iterative_hash_expr): Hash decls based on UID.
2639
2640 2006-01-06  Eric Christopher  <echristo@apple.com>
2641
2642         * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
2643         (TARGET_UNWIND_EMIT): Fix spelling.
2644         * target.h (gcc_target): Add except_table_label.
2645         * except.c (output_function_exception_table): Use.
2646         * varasm.c (default_emit_except_table_label): New.
2647         * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
2648         define.
2649         (asm_out): Add here.
2650         * output.h (default_emit_except_table_label): Prototype.
2651         * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
2652         * config/darwin.c (darwin_emit_except_table_label): Define.
2653         * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
2654
2655 2006-01-06  Zdenek Dvorak <dvorakz@suse.cz>
2656
2657         PR tree-optimization/18527
2658         * tree-ssa-loop-niter.c (number_of_iterations_cond,
2659         number_of_iterations_special, number_of_iterations_exit):
2660         Move base and step of an iv to a single structure.  Add
2661         no_overflow flag, and use it in # of iterations analysis.
2662         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
2663         folded_casts argument.
2664         (simple_iv): Pass base and step in a structure.  Set no_overflow
2665         flag.
2666         (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
2667         Evaluate expensiveness of computing # of iterations instead of
2668         the final expression.
2669         * tree-scalar-evolution.h (affine_iv): New structure.
2670         (simple_iv): Declaration changed.
2671         * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
2672         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
2673         find_givs_in_stmt): Changed due to simple_iv change.
2674
2675 2006-01-06  Jeff Law  <law@redhat.com>
2676
2677         PR ada/24994
2678         * tree-cfg.c (bsi_replace): Rename final argument from
2679         PRESERVE_EH_INFO to UPDATE_EH_INFO.  Fix typo in last
2680         change (stmt -> orig_stmt).
2681         * tree-eh.c (verify_eh_throw_stmt_node): New function.
2682         (bsi_remove): Add new argument.  Remove EH information
2683         if requested.
2684         (verify_eh_throw_table_statements): New function.
2685         (bsi_remove): Add new argument REMOVE_EH_INFO.  All callers
2686         updated.
2687         * tree-optimize.c (execute_free_cfg_annotations): Verify
2688         the EH throw statement table after removing annotations.
2689         * except.h (verify_eh_throw_table_statements): Prototype.
2690         * tree-flow.h (bsi_remove): Update prototype.
2691         * tree-vrp.c (remove_range_assertions): Add new argument to
2692         bsi_remove call.
2693         * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
2694         * tree-complex.c (expand_complex_div_wide): Likewise.
2695         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
2696         * tree-tailcall.c (eliminate_tailcall): Likewise.
2697         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
2698         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
2699         * tree-nrv.c (tree_nrv): Likewise.
2700         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
2701         * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
2702         (combine_blocks): Likewise.
2703         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
2704         * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
2705         (cleanup_control_flow): Likewise.
2706         (remove_forwarder_block): Likewise.
2707         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
2708         * tree-sra.c (sra_replace): Likewise.
2709         * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
2710         (forward_propagate_single_use_vars): Likewise.
2711         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
2712         * tree-inline.c (expand_call_inline): Likewise.
2713         * tree-vect-transform.c (vect_transform_loop): Likewise.
2714         * tree-outof-ssa.c (rewrite_trees): Likewise.
2715         * tree-cfg.c (make_goto_expr_edges): Likewise.
2716         (cleanup_dead_labels): Likewise.
2717         (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
2718         (bsi_move_before, bsi_move_after): Likewise.
2719         (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
2720         (tree_redirect_edge_and_branch, tree_split_block): Likewise.
2721
2722 2006-01-06  Andrew Pinski  <pinskia@physics.uc.edu>
2723
2724         PR tree-opt/25528
2725         * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
2726         and IMAGPART_EXPR.
2727         * tree-flow-inline.h (var_can_have_subvars): Handle complex types
2728         on non gimple variables.  Also add checks at the top for decls and
2729         mtags.
2730         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
2731         complex types.
2732         * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
2733         and IMAGPART_EXPR for creating MUST_DEFs.
2734         (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
2735         and NAME_MEMORY_TAG separately from the DECLs.
2736
2737 2006-01-06  Richard Guenther  <rguenther@suse.de>
2738
2739         * tree-dfa.c (mark_new_vars_to_rename): Create stmt
2740         annotation, if necessary.
2741         * tree-ssa-pre.c (create_expression_by_pieces): Remove
2742         redundant calls to update_stmt.
2743         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
2744         Likewise.
2745
2746 2006-01-05  Richard Henderson  <rth@redhat.com>
2747
2748         * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
2749
2750 2006-01-05  Carlos O'Donell  <carlos@codesourcery.com>
2751
2752         * c-typeck.c: Update copyright date.
2753
2754 2006-01-05  Carlos O'Donell  <carlos@codesourcery.com>
2755
2756         * c-typeck.c (build_c_cast): Always warn when casting
2757         from a pointer to an integer of different size, even if
2758         the node was constant.
2759
2760 2006-01-05  Richard Guenther  <rguenther@suse.de>
2761
2762         PR tree-optimization/22555
2763         * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
2764         if one structure field is an array.
2765         * tree-ssa-operands.c (get_expr_operands): Continue scanning
2766         operands even if we found a subvar, but ignore VOPs in this
2767         case.
2768         * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
2769         for renaming.
2770         * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
2771
2772 2006-01-05  Richard Earnshaw  <rearnsha@arm.com>
2773
2774         PR middle-end/24998
2775         * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
2776
2777 2006-01-05  Richard Guenther  <rguenther@suse.de>
2778             Diego Novillo  <dnovillo@redhat.com>
2779
2780         * tree-pass.h (TODO_remove_unused_locals): Define.
2781         * gimple-low.c (expand_var_p, remove_useless_vars,
2782         pass_remove_useless_vars): Remove.  Update all users.
2783         * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
2784         (remove_unused_locals): New function.
2785         * tree-flow.h (remove_unused_locals): Declare.
2786         * passes.c (execute_todo): Call remove_unused_locals if
2787         TODO_remove_unused_locals is set.
2788         * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
2789         * tree-ssa-dce.c (pass_dce): Likewise.
2790         * tree-outof-ssa.c (pass_del_ssa): Likewise.
2791
2792 2006-01-05  Richard Guenther  <rguenther@suse.de>
2793
2794         * tree-flow.h (struct fieldoff): Decompose field to
2795         type, size and decl.
2796         * tree-ssa-alias.c (create_sft): Take type as parameter.
2797         (create_overlap_variables_for): Store type, size and decl
2798         in the fieldoff structure.
2799         * tree-ssa-structalias.c (fieldoff_compare): Adjust users
2800         of struct fieldoff.
2801         (push_fields_onto_fieldstack): Likewise.
2802         (create_variable_info_for): Likewise.  Use offset for the
2803         SFT name if the decl is not available.
2804
2805 2006-01-04  Paul Brook  <paul@codesourcery.com>
2806
2807         * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
2808
2809 2006-01-04  Daniel Berlin  <dberlin@dberlin.org>
2810
2811         * lambda-code.c (can_put_in_inner_loop): Relax
2812         restrictions.
2813         (can_put_after_inner_loop): New function.
2814         (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
2815         (perfect_nestify): Change to make copies and modify uses.
2816
2817 2006-01-04  Richard Henderson  <rth@redhat.com>
2818
2819         Merge from gomp branch:
2820         * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
2821         via integer constant.
2822         (pragma_lex): Remove.
2823         * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
2824         rather than parsing it.
2825         * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
2826         handle_pragma_extern_prefix): Add %< %> quotes.
2827         (registered_pragmas): New.
2828         (c_register_pragma_1): New.
2829         (c_register_pragma): Use it.
2830         (c_register_pragma_with_expansion): Likewise.
2831         (c_invoke_pragma_handler): New.
2832         (init_pragma): Use cpp_register_deferred_pragma directly for
2833         pch_preprocess.
2834         * c-pragma.h (enum pragma_kind): New.
2835         (pragma_handler): New.
2836         (c_invoke_pragma_handler): Declare.
2837         * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
2838         CPP_PRAGMA_EOL.
2839         * c-common.h (c_common_pch_pragma): Update decl.
2840         * Makefile.in (c-parser.o): Update dependencies.
2841         (GTFILES): Add c-pragma.h.
2842         * c-parser.c (struct c_token): Add pragma_kind.
2843         (struct c_parser): Add in_pragma.
2844         (c_lex_one_token): Always initialize keyword and pragma_kind.
2845         Extract data for CPP_PRAGMA.
2846         (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
2847         (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
2848         Don't allow CPP_PRAGMA_EOL if in_pragma.
2849         (c_parser_consume_pragma): New.
2850         (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
2851         (c_parser_skip_to_end_of_parameter): Likewise.
2852         (c_parser_skip_to_end_of_block_or_statement): Likewise.
2853         (c_parser_skip_to_pragma_eol): New.
2854         (c_parser_external_declaration): Handle CPP_PRAGMA.
2855         (c_parser_compound_statement_nostart): Likewise.
2856         (c_parser_statement_after_labels): Likewise.
2857         (c_parser_pragma): New.
2858         (pragma_lex): Likewise.
2859         (c_parser_pragma_pch_preprocess): New.
2860         (c_parser_new): Merge into ...
2861         (c_parse_file): ... here.  Call c_parser_pragma_pch_preprocess.
2862
2863 2006-01-04  Jeff Law  <law@redhat.com>
2864
2865         PR ada/24994
2866         * tree-cfg.c (bsi_replace): Remove the original statement
2867         from the EH throw statement table.
2868
2869 2006-01-04  Jakub Jelinek  <jakub@redhat.com>
2870
2871         * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
2872         make the prototype extern "C" and add throw ().
2873
2874         PR target/25554
2875         * config/i386/i386.md (testqi_ext_3): Ensure len is positive
2876         and pos non-negative and pos + len <= 32.
2877         (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
2878         drop pos + len < HOST_BITS_PER_WIDE_INT test.
2879         (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
2880
2881         PR c/25559
2882         * c-common.c (handle_vector_size_attribute): Reject zero vector size
2883         as well as sizes not multiple of component size.
2884
2885         PR debug/25562
2886         * function.c (instantiate_expr): New function.
2887         (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
2888         walk its DECL_VALUE_EXPR with instantiate_expr.
2889
2890         * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
2891         DW_OP_deref{,_size} if address isn't going to be added.
2892
2893 2006-01-04  Ben Elliston  <bje@au.ibm.com>
2894
2895         * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
2896         * config/fp-bit.c: Likewise.
2897
2898 2006-01-03  Daniel Berlin  <dberlin@dberlin.org>
2899
2900         * dominance.c: Add comment about why we use DFS numbering
2901         of dominance tree.
2902
2903 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
2904             Richard Henderson  <rth@redhat.com>
2905
2906         Merge from gomp-branch:
2907         * varasm.c (assemble_variable): Handle thread-local COMMON data.
2908         * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
2909
2910 2006-01-03  Paolo Bonzini  <bonzini@gnu.org>
2911
2912         PR rtl-optimization/25578
2913         * combine.c (combine_simplify_rtx, force_to_mode): Don't
2914         pass a parameter to simplify_shift_const if changing ASHIFTRT
2915         to LSHIFTRT.
2916
2917 2006-01-03  Adrian Straetling  <straetling@de.ibm.com>
2918
2919         * builtins.c (get_builtin_sync_mem): New function.
2920         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
2921         expand_builtin_lock_test_and_set, expand_builtin_lock_release):
2922         Call get_builtin_sync_mem to generate mem rtx.
2923
2924 2006-01-03  Richard Guenther  <rguenther@suse.de>
2925
2926         PR c/25183
2927         * stmt.c (add_case_node): Make sure to clear overflow flags
2928         from ranges.
2929
2930 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
2931
2932         Merge from gomp-branch.
2933         * config/sparc/sync.md: New file.
2934         * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
2935         UNSPECV_LDSTUB): New constants.
2936         * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
2937         * config/sparc/predicates.md (memory_reg_operand): New predicate.
2938         * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
2939         prototype.
2940
2941 2006-01-03  Roger Sayle  <roger@eyesopen.com>
2942
2943         * combine.c (reg_subword_p): New predicate to test whether the
2944         destination of a set refers to a subword/piece of a register.
2945         (try_combine): Generalize the code to merge the setting of a
2946         pseudo to a constant followed by a set of a subword of that
2947         register to a constant.
2948
2949 2006-01-03  Kazu Hirata  <kazu@codesourcery.com>
2950
2951         * basic-block.h (control_flow_graph): Change the type of
2952         x_label_to_block_map to VEC(basic_block,gc) *.
2953         * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
2954         set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
2955
2956         * tree-ssa-propagate.c (cfg_blocks): Change the type to
2957         VEC(basic_block,heap) *.
2958         (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
2959         ssa_prop_fini): Adjust the uses of cfg_blocks.
2960
2961 2006-01-03  Steven Bosscher  <stevenb.gcc@gmail.com>
2962
2963         * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
2964         COMPONENT_REFs.
2965         * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
2966         hashing trees instead of a pointer hash.
2967         (mem_attrs_htab_eq): Do a deep compare instead of a pointer
2968         compare for MEM_EXPR.
2969
2970         PR rtl-optimization/25130
2971         * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
2972         when comparing MEMs for GCSE
2973
2974 2006-01-03  Ben Elliston  <bje@au.ibm.com>
2975
2976         * targhooks.h (default_decimal_float_supported_p): Declare.
2977         * targhooks.c (default_decimal_float_supported_p): Define.
2978         * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
2979         `default_decimal_float_supported_p'.
2980         * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
2981
2982 2006-01-02  Adam Nemet  <anemet@caviumnetworks.com>
2983
2984         * combine.c (apply_distributive_law <SUBREG>): Check
2985         TRULY_NOOP_TRUNCATION.
2986
2987 2006-01-02  Geoffrey Keating  <geoffk@apple.com>
2988
2989         * dwarf2out.c (have_switched_text_section): Delete.
2990         (have_multiple_function_sections): New.
2991         (have_location_lists): Make 'bool'.
2992         (add_AT_loc_list): Use 'true' not '1'.
2993         (dwarf2out_switch_text_section): Set have_multiple_function_sections.
2994         (output_loc_list): Use have_multiple_function_sections.
2995         (output_ranges): Likewise.
2996         (dwarf2out_begin_function): Set have_multiple_function_sections if
2997         necessary.
2998         (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
2999         Check function_section rather than DECL_SECTION_NAME.
3000         (dwarf2out_finish): Use have_multiple_function_sections.
3001         Don't clear have_location_lists.
3002
3003 2006-01-02  Eric Botcazou  <ebotcazou@adacore.com>
3004             Jan Hubicka  <jh@suse.cz>
3005
3006         * cfglayout.c (fixup_reorder_chain): Remove kludge for the
3007         case of conditional jump jumping to the next instruction.
3008         * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
3009         cases of conditional jump jumping to the next instruction.
3010
3011 2006-01-02  Jan Hubicka  <jh@suse.cz>
3012
3013         * i386.c (*_cost): Add COSTS_N_INSNS.
3014         (ix86_rtx_costs): Do not use COSTS_N_INSNS.
3015
3016 2006-01-02  Paolo Bonzini  <bonzini@gnu.org>
3017
3018         PR target/25259
3019         * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
3020
3021 2006-01-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3022
3023         * config/arm/arm.c (all_fpus): Fix comment typo.
3024         * config/darwin.c: Likewise.
3025         * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
3026         * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
3027         * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
3028
3029 2006-01-01  David Edelsohn  <edelsohn@gnu.org>
3030
3031         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
3032         (rs6000_split_compare_and_swapqhi): New.
3033         * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
3034         (sync_compare_and_swapqhi_internal): New.
3035         * config/rs6000/rs6000-protos.h: Declare.