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* genconditions.c (write_header): In generated code, #ifdef out
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2006-01-26  Zack Weinberg  <zackw@panix.com>
2
3         * genconditions.c (write_header): In generated code, #ifdef out
4         all includes and fake declarations, except includes of bconfig.h
5         and system.h, unless GCC_VERSION >= 3001.  Do not include
6         gensupport.h in any case.
7         (write_conditions): Generate a definition of struct c_test.  Add
8         a comment to the generated #endif.
9         (write_one_condition): Escape backslashes in string too.
10         (write_writer): Generated code must escape backslashes and quote
11         marks (but not newlines) in the strings it writes.
12         * Makefile.in (build/gencondmd.o): Update dependencies.
13
14 2006-01-26  Steve Ellcey  <sje@cup.hp.com>
15
16         PR target/25961
17         * Makefile.in (insn-automata.o): Add header file dependencies.
18         * genautomata.c: Add includes.
19
20 2006-01-26  Steve Ellcey  <sje@cup.hp.com>
21
22         PR target/25961
23         * Makefile.in (insn-automata.o): Add -Wno-error flag.
24
25 2006-01-26  Paolo Bonzini  <bonzini@gnu.org>
26
27         * configure.ac: Expect target tools paths to be passed from the toplevel
28         and wrap the detection into AS_SET_VAR_IF.  Extract side-effects out of
29         AS_SET_VAR_IF.
30         * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
31
32 2006-01-26  Alexandre Oliva  <aoliva@redhat.com>
33
34         PR c/25892
35         * c.opt (Wpointer-sign): Init to -1.
36         * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
37         OPT_pedantic, to 0 otherwise.
38         * doc/invoke.texi: Update.
39
40 2006-01-26  Paolo Bonzini  <bonzini@gnu.org>
41
42         * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
43         constants provided by 80387 instructions in the destination mode.
44
45 2006-01-26  Richard Guenther  <rguenther@suse.de>
46             Andrew Pinski  <pinskia@physics.uc.edu>
47
48         PR tree-opt/21470
49         partial PR tree-opt/17064
50         * tree-ssa-structalias.c (intra_create_variable_infos):
51         Create heap variables for incoming parameters if
52         flag_argument_noalias > 1.
53         (find_what_p_points_to): Look through default defs of
54         parameter decls.
55
56 2006-01-26  Jeff Law  <law@redhat.com>
57
58         PR ada/25900
59         * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
60         with a VR_ANTI_RANGE and the VR_ANTI_RANGEis completely contained
61         within the VR_RANGE, use the VR_RANGE as the result, not the
62         VR_ANTI_RANGE.
63         (adjust_range_with_scev): Reject ranges from SCEV which are out
64         of bounds for the type.
65
66 2006-01-26  Daniel Berlin  <dberlin@dberlin.org>
67
68         * tree-ssa-alias.c (maybe_create_global_var): Change
69         subvar walking to an assertion that we don't have subvar'd variables.
70
71 2006-01-26  Andrew Pinski  <pinskia@physics.uc.edu>
72
73         PR C/25861
74         * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
75         Use a new variable, inner.  PARM_DECLs are always non-weak.
76
77 2006-01-26  Shantonu Sen  <ssen@opendarwin.org>
78
79         * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
80         --disable-checking.
81
82 2006-01-26  Adam Nemet  <anemet@caviumnetworks.com>
83
84         * config/mips/mips.md (*clear_upper32): New combiner pattern.
85
86 2006-01-26  Richard Earnshaw  <richard.earnshaw@arm.com>
87
88         * arm.md (smaxsi3, sminsi3): Convert to define_expand.
89         (smax_insn, smin_insn, smax_0, smin_0): New.
90
91 2006-01-26  Hans-Peter Nilsson  <hp@axis.com>
92
93         PR target/25947
94         * config/cris/cris.c (cris_order_for_addsi3): New function.
95         * config/cris/cris-protos.h: Prototype it.
96         * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
97         (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
98         (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
99         (split for "op.S1 [rx=rx+i],ry (swapped)")
100         (split for "op(s|u).S1 [rx=rx+i],ry")
101         (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
102         Apply cris_order_for_addsi3 when generating addsi3 insns.
103
104 2006-01-25  Diego Novillo  <dnovillo@redhat.com>
105
106         * tree.h (TREE_RANGE_CHECK): Fix range predicate.
107         (TREE_BLOCK): Add call to EXPR_CHECK.
108
109 2006-01-25  Diego Novillo  <dnovillo@redhat.com>
110
111         PR 25886
112         * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
113         * tree-pretty-print.c (dump_omp_clause): Extract from ...
114         (dump_omp_clauses): ... here.
115         (dump_generic_node): Handle OMP_CLAUSE.
116         * tree.c (omp_clause_num_ops): New.
117         (omp_clause_code_name): New.
118         (tree_code_size): Handle OMP_CLAUSE.
119         (tree_size): Likewise.
120         (make_node): Document handling of OMP_CLAUSE.
121         (tree_node_structure): Handle OMP_CLAUSE.
122         (omp_clause_check_failed): New.
123         (omp_clause_range_check_failed): New.
124         (omp_clause_operand_check_failed): New.
125         (build_omp_clause): New.
126         (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
127         * tree.h (enum omp_clause_code): Declare.
128         (OMP_CLAUSE_SUBCODE_CHECK): Define.
129         (OMP_CLAUSE_RANGE_CHECK): Define.
130         (OMP_CLAUSE_ELT_CHECK): Define.
131         (omp_clause_check_failed): Declare.
132         (omp_clause_operand_check_failed): Declare.
133         (omp_clause_range_check_failed): Declare.
134         (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
135         (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
136         (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
137         (OMP_CLAUSE_LASTPRIVATE): Likewise.
138         (OMP_CLAUSE_IF_EXPR): Likewise.
139         (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
140         (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
141         (OMP_CLAUSE_REDUCTION_CODE): Likewise.
142         (OMP_CLAUSE_REDUCTION_INIT): Likewise.
143         (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
144         (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
145         Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
146         (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
147         (OMP_CLAUSE_DEFAULT_KIND): Likewise.
148         (OMP_CLAUSE_CODE): Define.
149         (OMP_CLAUSE_SET_CODE): Define.
150         (OMP_CLAUSE_CODE): Define.
151         (OMP_CLAUSE_OPERAND): Define.
152         (struct tree_omp_clause): Declare.
153         (union tree_node): Add field 'omp_clause'.
154         * treestruct.def (TS_OMP_CLAUSE): Define.
155         * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
156         OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
157         OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
158         OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
159         OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
160         OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
161         (OMP_CLAUSE): Define.
162         * print-tree.c (print_node): Handle OMP_CLAUSE.
163         * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
164         * c-typeck.c: Likewise.
165         * gimplify.c: Likewise.
166         * c-omp.c: Likewise.
167         * tree-nested.c: Likewise.
168         * tree-inline.c: Likewise.
169         * c-parser.c: Likewise.
170         * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
171         clauses.
172
173 2006-01-25  Roger Sayle  <roger@eyesopen.com>
174
175         PR rtl-optimization/25703
176         * combine.c (try_combine): Handle zero_extract and strict_low_part
177         of non-lowpart SUBREGs for constant reg_subword_p set optimization.
178
179 2006-01-25  Peter Bergner  <bergner@vnet.ibm.com>
180
181         * global.c: Fix comment typos.
182
183 2006-01-25  Andrew Pinski  <pinskia@physics.uc.edu>
184
185         PR target/25758
186         * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
187         Use output_addr_const instead of assemble_name.
188
189 2006-01-25  Paolo Bonzini  <bonzini@gnu.org>
190
191         * Makefile.in (sched-vis.o): Update dependencies.
192         * haifa-sched.c (sched_finish): Clear current_sched_info.
193         * cfg.c (dump_bb_info): New, split from dump_flow_info.
194         (dump_flow_info): Call it.
195         * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
196         a slim RTL dump.
197         * basic-block.h (dump_bb_info): Declare.
198         * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
199         option, and apply options only for dump files whose TDF_RTL,
200         TDF_TREE, or TDF_IPA bits match.
201         * rtl.h: Declare new functions exported from sched-vis.c.
202         * sched-vis.c: Enable also if scheduling is not used.
203         (print_value): Print the mode of registers if not inside scheduling.
204         (print_insn): Make it work outside the scheduler.  Beautify the output
205         a bit.
206         (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
207
208 2006-01-25  Richard Sandiford  <richard@codesourcery.com>
209
210         * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
211         * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
212         a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
213         depending on the value of CONSTANT_POOL_ADDRESS_P.
214         * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
215         SYMBOL_REF_DECL.
216         * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
217         rather than SYMBOL_REF_DECL.
218         (rtx_constant_pool): Remove const_rtx_sym_htab.
219         (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
220         (init_varasm_status): Don't initialize const_rtx_sym_htab.
221         (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
222         Remove handling of const_rtx_sym_htab.
223         (find_pool_constant): Delete.
224         (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
225         rather than find_pool_constant.
226         (get_pool_constant_for_function): Delete.
227         (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
228         find_pool_constant.
229         * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
230         (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
231         (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
232         (SYMBOL_REF_CONSTANT): New macro.
233         (get_pool_constant_for_function): Delete.
234         * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
235         rather than SYMBOL_REF_DECL.
236         (i386_pe_mark_dllimport): Likewise.
237         * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
238         rather than SYMBOL_REF_DECL.
239         * config/darwin.c (machopic_indirect_data_reference): Likewise.
240         (machopic_indirect_call_target): Likewise.
241
242 2006-01-25  Eric Botcazou  <ebotcazou@adacore.com>
243
244         * flow.c (delete_noop_moves): Add missing EOL to dump message.
245
246 2006-01-25  Richard Sandiford  <richard@codesourcery.com>
247
248         * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
249
250 2006-01-25  Kaz Kojima  <kkojima@gcc.gnu.org>
251
252         * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
253
254 2006-01-24  David Daney  <ddaney@avtrex.com>
255
256         PR java/25816
257         * configure.ac (enable_tls): New enable option.
258         (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
259         * configure: Regenerate.
260         * doc/install.texi (--enable-tls): Document new option.
261         (--disable-tls): Ditto.
262
263 2006-01-24  Richard Henderson  <rth@redehat.com>
264
265         * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
266         * alias.c (true_dependence): Respect it.
267         (canon_true_dependence, write_dependence_p): Likewise.
268         * builtins.c (get_builtin_sync_mem): Set it.
269
270 2006-01-25  Zdenek Dvorak <dvorakz@suse.cz>
271
272         * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
273         efficient way.
274
275 2006-01-24  DJ Delorie  <dj@redhat.com>
276
277         * expmed.c (store_bit_field): Don't arbitrarily deny using insv
278         for storing constants in single-bit bitfields.
279
280 2006-01-25  Ben Elliston  <bje@au.ibm.com>
281
282         * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
283
284 2006-01-24  Andrew Pinski  <pinskia@physics.uc.edu>
285
286         PR tree-opt/25860
287         * tree-ssa-pre.c (phi_translate): Return NULL
288         for AGGREGATE_TYPE's.
289
290 2006-01-24  Zack Weinberg  <zackw@panix.com>
291
292         * genautomata.c (process_state_for_insn_equiv_partition):
293         Use xcalloc for insn_arcs_array.
294         * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
295         (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
296
297 2006-01-24  Richard Henderson  <rth@redhat.com>
298
299         * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
300         update all callers.
301
302 2006-01-23  Paolo Bonzini  <bonzini@gnu.org>
303
304         PR rtl-optimization/25890
305         PR rtl-optimization/25905
306         * combine.c (expand_compound_operation, expand_field_assignment):
307         Fail if the bitfield's final position is out of bounds.
308
309 2006-01-24  Ian Lance Taylor  <ian@airs.com>
310
311         PR middle-end/25930
312         * cgraphunit.c (cgraph_output_in_order): Don't clear
313         cgraph_asm_nodes until after asm strings have been output.
314
315 2006-01-23  Adam Nemet  <anemet@caviumnetworks.com>
316
317         * fix-header.c (read_scan_file): Add new parameter imultilib when
318         calling register_include_chains.
319
320 2006-01-23  Diego Novillo  <dnovillo@redhat.com>
321
322         * omp-low.c: Update documentation.
323
324 2006-01-23  Andrew Pinski  <pinskia@physics.uc.edu>
325             Daniel Berlin  <dberlin@dberlin.org>
326
327         PR tree-opt/25315
328         PR tree-opt/25857
329         * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
330         return from the function.
331
332 2006-01-22  Zack Weinberg  <zackw@panix.com>
333
334         * rtl.def (match_code): Add second argument.
335         * genpreds.c (write_extract_subexp): New function.
336         (write_match_code): Add path argument.  Use write_extract_subexp.
337         (write_predicate_expr): Pass path to write_match_code.
338         (mark_mode_tests): MATCH_CODE applied to a subexpression does
339         not perform a mode test.
340         * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
341         a subexpression does not constrain the top-level code set.
342         * read-rtl.c (read_rtx_variadic): New function.
343         (read_rtx_1): Use it; allow AND and IOR to be variadic.
344         * doc/md.texi: Document new notation.
345         * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
346         (cmpsi_operand): ... here, using new notation.
347
348 2006-01-22  Zack Weinberg  <zackw@panix.com>
349
350         * varray.c: Remove GENERATOR_FILE #ifdefs.
351
352 2006-01-22  Zack Weinberg  <zackw@panix.com>
353
354         * genautomata.c (output_reserved_units_table): Emit nothing if
355         description->query_units_num is zero.  Remove extra blank line.
356         (output_cpu_unit_reservation_p): Short circuit
357         if description->query_units_num is zero.
358
359 2006-01-22  Zack Weinberg  <zackw@panix.com>
360
361         * genattrtab.c: Don't include genattrtab.h.  Define ATTR_NONE
362         and ATTR_SPECIAL (from genattrtab.h).  Don't define num_dfa_decls
363         nor any of the random handful of variables that used to be necessary
364         when this program was linked with rtlanal.o.  Prune set of forward
365         function declarations.
366         (struct attr_desc): Remove static_p field.
367         (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
368         (check_attr_test, make_internal_attr, make_numeric_value): Make static.
369         (attr_string): Do not read the character one past the length of
370         the string.
371         (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
372         (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
373         (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
374         (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
375         (make_automaton_attrs): New.
376         (main): Do not call into genautomata.  Call local gen_bypass
377         and gen_insn_reserv as appropriate.  Call make_automaton_attrs.
378         Remove special case for insn_alts.
379         * genautomata.c: Include gensupport.h; not genattrtab.h nor
380         varray.h (leftover from previous change).  Prune set of forward
381         function declarations.  Remove state_alts fields from all
382         structures.  Remove state_alts_table from struct automaton.
383         Make everything except main static.  Do not maintain num_dfa_decls.
384         Do not maintain state_alts fields of various structures.
385         (process_decls): Don't validate condexp for dm_insn_reserv decls.
386         (add_arc): Remove state_alts argument.  All callers updated.
387         (output_reserved_units_table): Emit #ifdef here...
388         (output_tables): ...not here.  Don't generate state_alts tables.
389         (expand_automata): Don't generate attributes.
390         (write_automata): Don't generate state_alts functions.
391         (main): New function.
392         (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
393         (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
394         (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
395         (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
396         (BYPASS_P_FUNC_NAME, output_state_alts_table)
397         (output_automata_list_state_alts_code, output_internal_state_alts_func)
398         (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
399         (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
400         Delete.
401         * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
402         * genattrtab.h: Delete file.
403         * Makefile.in (OBJS-common): Add insn-automata.o.
404         (insn-automata.o): New rule.
405         (simple_generated_c): Add insn-automata.c.
406         (build/genattrtab.o, build/genautomata.o): Update dependencies.
407         (genprogmd): Add automata.
408         (build/genattrtab): Needs no extra objects nor libraries.
409         (build/genautomata): Needs build/vec.o and -lm.
410
411 2006-01-22  Zack Weinberg  <zackw@panix.com>
412
413         * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
414         (output_dfa_max_issue_rate, locked_states_num): Delete.
415         (struct automaton): Add locked_states field.
416         (output_dead_lock_vect): Save number of locked states in
417         automaton->locked_states.  If it is zero, don't print anything.
418         (output_max_insn_queue_index_def): Define max_insn_queue_index const.
419         (output_internal_dead_lock_func): Only test the dead_lock_vect
420         for automata that have locked states.
421         (output_statistics): Always print the number of locked states for
422         each automaton.  Calculate total number of locked states here.
423         (write_automata): Don't call output_dfa_max_issue_rate.
424         * genattrtab.c: Define length_unit_log as a const variable.
425         * genattr.c: Don't emit MAX_DFA_ISSUE_RATE.  Declare
426         max_insn_queue_index const.
427         * final.c (length_unit_log): Declare const.
428         * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
429
430 2006-01-22  Zack Weinberg  <zackw@panix.com>
431
432         * genautomata.c:  Include vec.h, not varray.h.
433         Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
434         VLA_HWINT_ macros.  Change vla_hwint_t to a typedef for
435         VEC(vect_el_t,heap) *.  Convert all uses of VLA_* macros to
436         VEC_* macros operating on appropriately typed vectors, or to
437         malloced arrays when the size is known in advance.  Const-ify
438         many char* variables and function arguments.  No functional changes.
439         * Makefile.in (build/varray.o): Delete rule.
440         (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
441         (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
442
443 2006-01-22  Zack Weinberg  <zackw@panix.com>
444
445         * gensupport.c: Define get_insn_name and record_insn_name here.
446         (read_md_rtx): Call record_insn_name as appropriate.
447         * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
448         * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
449         * genpreds.c, genrecog.c: Don't define get_insn_name nor
450         record_insn_name.
451         * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
452         (BUILD_VARRAY): Delete.
453         (genprognormal): Rename genprogmd.  Fold in all programs from
454         genprognoprint; also attrtab.
455         (build/genattrtab): Just mention genautomata.o and varray.o.
456         Reorganize a bit, add comments to make the categories clearer.
457
458 2006-01-22  Zack Weinberg  <zackw@panix.com>
459
460         * genconditions.c (condition_table, add_condition): Delete.
461         (write_conditions): Don't emit n_insn_conditions nor
462         insn_elision_unavailable.  Issue the gcc version #ifdef here,
463         inside the table, with no #else clause ...
464         (write_header): ...not here.
465         (write_writer): New function.
466         (main): Don't initialize condition_table.  Use add_c_test.
467         Call write_writer.
468         * gensupport.c (init_md_reader_args_cb): Handle multiple input
469         files on the command line.
470         (maybe_eval_c_test): Don't check insn_elision_unavailable.
471         Return -1 if there is no entry in the table, don't abort.
472         (add_c_test, traverse_c_tests): New functions.
473         * gensupport.h (insn_elision_unavailable, insn_conditions)
474         (n_insn_conditions): Delete declarations.
475         (add_c_test, traverse_c_tests): Declare.
476         * read-rtl.c: Include gensupport.h.
477         (read_conditions): New function.
478         (read_rtx): If read_rtx_1 returns 0, treat as EOF.
479         (read_rtx_1): If we get EOF when we were looking for an initial
480         open paren, return 0.  Call read_conditions when appropriate.
481         * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
482         dummy-conditions.o.  Eliminate references to insn-conditions.o,
483         or change them to build/gencondmd.o, as appropriate.  Remove
484         insn-constants.h from $(simple_generated_h) and insn-conditions.c
485         from $(simple_generated_c).  For all files remaining in those
486         two lists, add insn-conditions.md to the generator command line.
487         Give insn-constants.h/s-constants their own rules.  Add rules
488         for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
489         (build/read-rtl.o): Depend on gensupport.h.
490         (genprognormal): Include preds.
491         (genprogearly): Rename genprognoprint; only difference is now that
492         they don't link with $(BUILD_PRINT).
493         * dummy-conditions.c: Delete.
494
495 2006-01-22  Zack Weinberg  <zackw@panix.com>
496
497         * genextract.c: Don't include insn-config.h.  Do include vec.h.
498         Declare vectors of int, char, and locstr.
499         (locstr): New typedef.
500         (struct extraction): Make all array fields into bare pointers.
501         (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
502         (insn_code_number): Delete.
503         (accum_extract): New struct.
504         (VEC_safe_set_locstr, VEC_char_to_string): New functions.
505         (gen_insn): Take insn_code_number as an argument.  Use an
506         accum_extract structure instead of loading data directly into
507         a struct extraction, and having to know how big it might get.
508         (walk_rtx): Operate entirely on an accum_extract structure.
509         (print_path): Avoid unnecessary use of printf.
510         (print_header): New function, split out of main.  Distinguish
511         more carefully between an unrecognizable insn and an insn that
512         has the code number of a define_expand.
513         (main): Pass insn_code_number to gen_insn.  Call print_header
514         only after parsing.  Avoid unnecessary use of printf.
515         * Makefile.in (build/vec.o): New rule.
516         (build/genextract): Depend on build/vec.o.
517         (build/genextract.o): Don't depend on insn-config.h.
518
519 2006-01-22  Zack Weinberg  <zackw@panix.com>
520
521         * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
522         $(RUN_GEN).  Use pattern rules to factor out as much boilerplate as
523         practical.  Eliminate per-generator-program link rules.
524
525 2006-01-23  Andrew Pinski  <pinskia@physics.uc.edu>
526
527         PR middle-end/24437
528         * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
529         with a call expr to ...
530         * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
531
532 2006-01-23  Richard Guenther  <rguenther@suse.de>
533
534         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
535         before make_edge with conditional EDGE_TRUE_VALUE.
536
537 2006-01-23  Steven Bosscher  <stevenb.gcc@gmail.com>
538         Jan Hubicka  <jh@suse.cz>
539         Richard Guenther  <rguenther@suse.de>
540
541         PR rtl-optimization/25654
542         * cfgexpand.c (aggregate_contains_union_type): New function.
543         (add_alias_set_conflicts): Call it.  Make sure to add conflicts
544         for structure variables that contain a union type.
545
546 2006-01-23  Richard Sandiford  <richard@codesourcery.com>
547
548         * gengtype.c (new_structure): Return the structure.
549         (create_option): Add an extra "next" argument.
550         (create_field): New function.
551         (adjust_field_rtx_def): Use create_option and create_field.
552         Remove a now-unnecessary call to find_structure.
553         (adjust_field_tree_def): Likewise.
554         (note_yacc_type): Remove an unnecessary call to find_structure.
555         * gengtype.h (new_structure): Return the structure.
556         (create_option): Add an extra argument.
557         * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
558         (option): Adjust calls to create_option.
559
560 2006-01-22  David Edelsohn  <edelsohn@gnu.org>
561
562         * config/rs6000/aix.h (STACK_BOUNDARY): Define.
563
564 2006-01-22  Paul Brook  <paul@codesourcery.com>
565         Peter Barada  <peter@the-baradas.com>
566
567         * config/m68k/m68k.md: Add Coldfire FPU support.
568         Define FP mode macro and associated attributes.
569         Use it for float mode patterns.
570         * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
571         (LIBCALL_VALUE): Use m68k_libcall_value.
572         * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
573         (m68k_function_value): Ditto.
574         (emit_move_sequence): Ditto.
575         * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
576         * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
577         * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
578         (MULTILIB_EXCEPTIONS): Ditto.
579         * config/m68k/m68k.opt: Add mcfv4e.
580         * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
581         (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
582         (m68k_output_function_prologue): Save ColdFire FPU registers.
583         (m68k_output_function_epilogue): Restore ColdFire FPU registers.
584         (force_mode, fp_reg_operand, emit_move_sequence): New functions.
585         (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
586         ColdFire FPU registers.
587         (m68k_libcall_value, m68k_function_value): New functions.
588         * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
589         (LIBCALL_VALUE): Use m68k_libcall_value.
590         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
591         (MASK_COLDFIRE): Add MASK_CFV4E.
592         (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
593         (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
594         (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
595         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
596         (GO_IF_LEGITIMATE_ADDRESS): Use it.
597         (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
598         * doc/invoke.tex: Document -mcfv4e on m68k.
599
600 2006-01-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
601
602         * doc/contribute.texi: Change CVS to SVN and update the corresponding
603         URL.
604
605 2006-01-21  Gabriel Dos Reis  <gdr@integrable-solutions.net>
606
607         PR c++/16190
608         * c-opts.c (c_common_handle_option): Don't include
609         -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
610         * doc/invoke.texi (C++ Dialect Options): Document that
611         -Wnon-virtual-dtor is no longer included in -Wall.
612
613 2006-01-21  Joseph S. Myers  <joseph@codesourcery.com>
614
615         * gcov.c (print_version), gcov-dump.c (print_version),
616         mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
617         dates.
618
619 2006-01-21  Kenneth Zadeck <zadeck@naturalbridge.com>
620
621         * df-scan.c (problem_SCAN): Added NULL reset function.
622         (df_scan_reset_blocks): Added code to call reset block function
623         (df_bb_refs_delete) Fixed comment.
624         (df_insn_refs_delete): Made tolerant of deleting non existent info
625         for dataflow problems that need to be reset.
626         * df-core.c (df_set_blocks): Ditto.
627         * df.h (struct df_problem): Added reset_fun.
628         * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
629         problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
630         (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
631         functions to clear out all references to def-use or use-def chains.
632
633 2006-01-21  Ben Elliston  <bje@au.ibm.com>
634
635         * varasm.c (assemble_real): Initialise data array.
636
637 2006-01-20  Paul Brook  <paul@codesourcery.com>
638
639         Merge from csl-arm-branch.
640         2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
641         * config/arm/arm.md (movdi): Force operands[1] to a register
642         if we have a non-register source.
643         (*arm_movdi, *movdf_soft_insn): Require that one of the
644         operands be a register.
645         * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
646         * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
647
648 2006-01-20  DJ Delorie  <dj@redhat.com>
649
650         * varasm.c (initialize_constant_valid_p): Allow pointers
651         initialized from integer constants of lesser precision.
652         (output_constant): Allow non-int-sized pointer modes to be
653         initialized from integer constants.
654
655 2006-01-20  Joseph S. Myers  <joseph@codesourcery.com>
656
657         PR libstdc++/25524
658         * cppdefault.h (struct default_include): Add multilib flag.
659         * cppdefault.c (cpp_include_defaults): Set it.
660         * c.opt (-imultilib): New option.
661         * c-opts.c (imultilib): New.
662         (c_common_handle_option): Handle -imultilib.
663         (c_common_post_options): Likewise.
664         * c-incpath.c (add_standard_paths, register_include_chains):
665         Likewise.
666         * c-incpath.h (register_include_chains): Add extra parameter.
667         * gcc.c (do_spec_1): Generate -imultilib option.
668         (The Specs Language): Update %I description.
669         (process_command): Update copyright notice.
670         * doc/cppopts.texi (-imultilib): Document.
671         * doc/invoke.texi (-imultilib): Include in option summary.
672         (%I): Update specs documentation.
673
674 2006-01-20  Zdenek Dvorak <dvorakz@suse.cz>
675
676         * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
677
678 2006-01-20  Richard Sandiford  <richard@codesourcery.com>
679
680         * stmt.c (case_bit_test_cmp): Stabilize the sort using code
681         label numbers.
682
683 2006-01-20  Richard Guenther  <rguenther@suse.de>
684         Steven Bosscher <stevenb.gcc@gmail.com>
685
686         PR rtl-optimization/24626
687         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
688         EDGE_TRUE_VALUE if in RTL mode.
689
690         Revert
691         2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
692         * cfgrtl.c (rtl_verify_flow_info_1): Fix.
693
694 2006-01-20  Dirk Mueller  <dmueller@suse.com>
695
696         PR c++/5520
697         * c-parser.c (c_parser_if_body): Use build_empty_stmt()
698         instead of a special NOP marker.
699         * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
700         NOP marker handling.
701         * c-common.h (empty_body_warning): Add forward declaration.
702         * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
703         Now uses IS_EMPTY_STMT() instead of special NOP markers.
704
705 2006-01-20  Paul Brook  <paul@codesourcery.com>
706
707         * Makefile.in (lang_checks): Keep going if mkdir fails.
708
709 2006-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
710
711         * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
712         be able to clean out basic block when not necessary.
713         (df_scan_free): Fixed to properly delete information if df is
714         unused before calling df_finish.
715         (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
716         df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
717         or comment typos.
718         (df_bb_refs_delete): New function.
719         (df_refs_delete): Moved per block code to df_bb_refs_delete.
720         * df-core.c (df_set_blocks): Added code to properly clean out
721         unused blocks if they are not part of the blocks to consider.
722         Added additional null check.
723         (df_compact_blocks): Added basic block parameter to free_bb_fun to
724         be able to clean out basic block when not necessary
725         * df.h (df_free_bb_function): Ditto.
726         (df_bb_refs_delete): New function.
727         * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
728         df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
729         basic block parameter to be able to clean out basic block when not
730         necessary.
731         (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
732         (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
733         Fixed to properly delete information if df is unused before
734         calling df_finish.
735
736 2006-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
737
738         PR rtl-optimization/25799
739         * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
740         Corrected confluence operator to remove bits from op2 before oring
741         with op1 rather than removing bits from op1.
742         (df_ru_transfer_function): Corrected test on wrong bitmap which
743         caused infinite loop.  Both of these problems were introduced in
744         the dataflow rewrite.
745
746 2006-01-19  DJ Delorie  <dj@redhat.com>
747
748         * reload1.c (find_reload_regs): Note the details of reload
749         failures in the dump file.
750         (spill_failure): Likewise.
751
752 2006-01-20  Zdenek Dvorak <dvorakz@suse.cz>
753
754         * loop-iv.c: Include df.h and hashtab.h.
755         (enum iv_grd_result): New enum.
756         (DF_REF_IV, DF_REF_IV_SET): New macros.
757         (struct biv_entry): New.
758         (df, bivs): New global variables.
759         (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
760         assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
761         Removed.
762         (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
763         iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
764         analyzed_for_bivness_p, record_biv): New functions.
765         (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
766         get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
767         iv_analyze, biv_p, iv_analysis_done): Work with df representation of
768         UD chains.
769         (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
770         analysed.
771         (iv_number_of_iterations): Use new interface to iv analysis.
772         * loop-unroll.c: Do not include varray.h.
773         (analyze_iv_to_split_insn): Use new interface to iv
774         analysis.
775         * loop-unswitch.c (may_unswitch_on): Ditto.
776         * df.c (df_bitmaps_free): Only work for bbs for that structures are
777         allocated.
778         (df_bb_modify): Realloc tables to the new index.
779         (df_find_use): New function.
780         * df.h (df_find_use): Declare.
781         * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
782         outmode.
783         * cfgloop.h (struct rtx_iv): Remove analysed field.
784         (iv_get_reaching_def): Removed.
785         (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
786         * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
787         (loop-iv.o): Add df.h and hashtab.h dependency.
788         * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
789
790 2006-01-20  Alan Modra  <amodra@bigpond.net.au>
791
792         * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
793         Double TFmode.
794         (__floatundisf, __floatundidf): Likewise.
795         * libgcc2.h (IS_IBM_EXTENDED): Define.
796
797 2006-01-19  DJ Delorie  <dj@redhat.com>
798
799         * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
800
801 2006-01-19  Paul Brook  <paul@codesourcery.com>
802
803         * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
804         as nothrow when unwinding tables are disabled.
805
806 2006-01-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
807
808         PR testsuite/25171
809         * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
810         of bit-field" when in system header.
811
812 2006-01-19  DJ Delorie  <dj@redhat.com>
813
814         * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
815         the 16 bit shift limit of the m16c.
816
817 2006-01-19  Andrew Pinski  <pinskia@physics.uc.edu>
818
819         PR target/22099
820         * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
821         * config/i386/i386.c (output_set_got): Output the label if we have one
822         for the TARGET_DEEP_BRANCH_PREDICTION case.
823
824 2006-01-19  Jan Hubicka  <jh@suse.cz>
825             H.J. Lu  <hongjiu.lu@intel.com>
826             Evandro Menezes <evandro.menezes@amd.com>
827
828         * invoke.texi (generic): Document
829         (i686) Update.
830         * config.gcc: Make x86_64-* and i686-* default to generic tunning.
831         * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
832         TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
833         (x86_use_incdec, x86_pad_returns): New variables
834         (TARGET_CPU_DEFAULT_generic): New constant
835         (TARGET_CPU_DEFAULT_NAMES): Add generic.
836         (enum processor_type): Add generic32 and generic64.
837         * i386.md (cpu attribute): Add generic32/generic64
838         (movhi splitter): Behave sanely when both partial_reg_dependency and
839         partial_reg_stall are set.
840         (K8 splitters): Enable for generic as well.
841         * predicates.md (incdec_operand): Use TARGET_INCDEC
842         (aligned_operand): Avoid memory mismatch stalls.
843         * athlon.md: Enable for generic64, new patterns for 128bit moves.
844         * ppro.md: Enable for generic32
845         * i386.c (generic64_cost, generic32_cost): New.
846         (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
847         (x86_use_leave): Enable for generic64.  (x86_use_sahf,
848         x86_ext_80387_constants): Enable for generic32.  (x86_push_memory,
849         x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
850         x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
851         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
852         x86_partial_reg_dependency, x86_memory_mismatch_stall,
853         x86_accumulate_outgoing_args, x86_prologue_using_move,
854         x86_epilogue_using_move, x86_arch_always_fancy_math_387,
855         x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
856         Enable for generic.
857         (x86_use_incdec, x86_pad_returns): New.
858         (override_options): Add generic32 and generic64, translate "generic"
859         to generic32/generic64 and "i686" to "generic32", refuse
860         "generic32"/"generic64" as arch target.
861         (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
862         (ix86_reorg): Honor PAD_RETURNS.
863
864 2006-01-19  Diego Novillo  <dnovillo@redhat.com>
865
866         * tree-pretty-print.c (dump_generic_node): Handle
867         OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
868         * cgraph.c (cgraph_expand_queue): Rename from
869         cgraph_analyze_queue.  Update all users.
870         * cgraphunit.c (cgraph_assemble_pending_functions): Process
871         cgraph_expand_queue.
872         (cgraph_expand_all_functions): Likewise.
873         (cgraph_finalize_pending_functions): Remove.  Update callers.
874
875         * tree.h (OMP_DIRECTIVE_P): Define.
876         (OMP_PARALLEL_FN): Define.
877         (OMP_PARALLEL_DATA_ARG): Define.
878         (OMP_SECTIONS_SECTIONS): Define.
879         * tree-pass.h (pass_expand_omp): Declare.
880         * omp-low.c (struct omp_region): Declare.
881         (struct omp_context): Remove fields 'parallel_type',
882         'parallel_start_ix' and 'parallel_start_additional_args'.
883         Update all users.
884         (struct omp_for_data): Rename from struct expand_omp_for_data.
885         (omp_regions): New static variable.
886         (root_omp_region): New static variable.
887         (find_omp_clause): Make static.
888         (is_in_combined_parallel_ctx): Remove.
889         (is_combined_parallel): New.
890         (extract_omp_for_data): Move earlier in the file.
891         (workshare_safe_to_combine_p): New.
892         (get_ws_args_for): New.
893         (determine_parallel_type): Move earlier in the file.
894         (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
895         child function.
896         (omp_copy_decl): Likewise.
897         (create_omp_child_function): Likewise.
898         (lookup_omp_region): New.
899         (dump_omp_region): New.
900         (debug_omp_region): New.
901         (debug_all_omp_regions): New.
902         (new_omp_region): New.
903         (scan_omp_parallel): If parallel_nesting_level > 1, the
904         directive is nested within another parallel directive.
905         Set OMP_PARALLEL_FN.
906         (scan_omp_for): Do not try to handle combined parallel+for
907         cases.
908         Remove FIXME comment.
909         (scan_omp_nested): Remove.
910         (scan_omp_1): Do not call scan_omp_nested when
911         parallel_nesting_level is > 1.
912         Do not change the DECL_CONTEXT of local variables found.
913         (lookup_decl_in_outer_ctx): New.
914         (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
915         (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
916         (lower_reduction_clauses): Rename from expand_reduction_clauses.
917         (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
918         If CTX is nested, lookup VAR in the outer context when
919         building copy assignment.
920         (lower_send_clauses): Rename from expand_send_clauses.
921         If CTX is nested, lookup VAR in the outer context when
922         building copy assignments.
923         (lower_send_shared_vars): Rename from expand_send_shared_vars.
924         If CTX is nested, lookup VAR in the outer context when
925         building copy assignments.
926         (expand_parallel_call): Rename from build_parallel_call.
927         Handle combined parallel+workshare cases.
928         Re-implement to emit code into the CFG.
929         (list2chain): New.
930         (expand_omp_parallel): Re-implement to emit code into the CFG.
931         Call move_sese_region_to_fn to outline the sub-graph
932         containing the parallel region.
933         (expand_omp_for_1): Remove.
934         (expand_omp_for_generic): Re-implement to emit code into the
935         CFG.
936         (expand_omp_for_static_nochunk): Likewise.
937         (expand_omp_for_static_chunk): Likewise.
938         (expand_omp_for): Likewise.
939         (expand_omp_sections): Likewise.
940         (remove_exit_barriers): New.
941         (expand_omp_synch): New.
942         (expand_omp): New.
943         (build_omp_regions_1): New.
944         (build_omp_regions): New.
945         (execute_expand_omp): New.
946         (gate_expand_omp): New.
947         (pass_expand_omp): Define.
948         (lower_omp_sections): Rename from expand_omp_sections.
949         Set OMP_SECTIONS_SECTIONS.
950         (lower_omp_single_simple): Rename from expand_omp_single_simple.
951         (lower_omp_single_copy): Rename from expand_omp_single_copy.
952         (lower_omp_single): Rename from expand_omp_simple.
953         (lower_omp_master): Rename from expand_omp_master.
954         (lower_omp_ordered): Rename from expand_omp_ordered.
955         (lower_omp_critical): Rename from expand_omp_critical.
956         (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
957         (lower_omp_for): Re-implement.
958         (lower_omp_parallel): Re-implement.
959         (lower_regimplify): Rename from expand_regimplify.
960         (lower_omp_1): Rename from expand_omp_1.
961         If there are syntax errors in the program, replace every
962         OpenMP directive with NOP.
963         Call lower_omp_* instead of expand_omp_*.
964         (lower_omp): Rename from expand_omp.
965
966         * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
967         * tree-gimple.h (enum omp_parallel_type): Remove.
968         (gimple_boolify): Declare extern.
969         (find_omp_clause, determine_parallel_type): Remove.
970
971         * gimple-low.c (lower_omp_directive): New.
972         (lower_stmt): Call it.
973         (record_vars_into): Move from ...
974         (record_vars): ... here.
975         Call record_vars_into with current_function_decl.
976
977         * gimplify.c (struct gimplify_ctx): Remove fields
978         combined_pre_p and combined_ctxp.  Update users.
979         (get_formal_tmp_var): Add documentation.
980         (gimple_boolify): Make extern.
981         (gimplify_expr_in_ctx): Remove.  Update callers.
982         (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
983         will always be a BIND_EXPR.
984         (gimplify_expr): Handle OMP_RETURN_EXPR.
985         * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
986         (OMP_PARALLEL): Add 3 operands.
987         (OMP_SECTIONS): Add 1 operand.
988         (OMP_RETURN_EXPR): Define.
989
990         * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
991         (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
992         * tree-iterator.c (alloc_stmt_list): Assert that we are not
993         creating a circular free list.
994         (free_stmt_list): Assert that we are not freeing stmt_list_cache.
995
996         * tree-flow.h (move_sese_region_to_fn): Declare.
997         (record_vars_into): Declare.
998         * tree-cfg.c (make_omp_sections_edges): New.
999         (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
1000         OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
1001         OMP_SECTIONS and OMP_SECTION.
1002         (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
1003         (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
1004         (verify_stmt): Do not handle OMP_DIRECTIVE_P.
1005         (gather_blocks_in_sese_region): New.
1006         (struct move_stmt_d): Declare.
1007         (move_stmt_r): New.
1008         (move_block_to_fn): New.
1009         (move_sese_region_to_fn): New.
1010
1011         * passes.c (init_optimization_passes): Schedule
1012         pass_expand_omp after pass_init_datastructures.
1013
1014         * tree-ssa-operands.c (get_expr_operands): Handle
1015         OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
1016         OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
1017
1018 2006-01-19  Jeff Law  <law@redhat.com>
1019
1020         * tree-vrp.c (extract_range_from_assert): Refine the result range
1021         if the variable referenced by the ASSERT_EXPR has a range and
1022         either the tentative result range or the previous range is a
1023         VR_ANTI_RANGE.
1024
1025 2006-01-19  Richard Sandiford  <richard@codesourcery.com>
1026
1027         * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
1028
1029 2006-01-19  Jan Hubicka  <jh@suse.cz>
1030
1031         * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
1032
1033 2006-01-19  Paolo Bonzini  <bonzini@gnu.org>
1034
1035         * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
1036         (expand_compound_operation, expand_field_assignment): Fail if the
1037         bit lengths of an extract operation are out of range.
1038         (make_extraction): Compute wanted_inner_mode based on the position
1039         and length of the extraction.  Make it extraction_mode for non-constant
1040         positions, and do not modify offset in that case.  When generating a
1041         new MEM, use a mode that can hold the extraction while keeping correct
1042         alignment.  Remove code that supported MEMs wrapped by USEs.
1043         (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
1044
1045 2006-01-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1046
1047         * config/s390/s390.md ("Y", "y"): New mode attribute.
1048         ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
1049         "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
1050         "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
1051         "*addsi3_imm_cc", "*addsi3_carry1_cc",
1052         "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
1053         "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
1054         "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
1055         "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
1056         "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
1057         "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
1058         "addsi3", "subsi3"): Insn patterns removed.
1059         ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
1060         "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
1061         "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
1062         "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
1063         "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
1064         "*sub<mode>3_cconly2"): New insn patterns.
1065         ("addsi3", "subsi3"): New expanders.
1066
1067 2006-01-19  Dorit Nuzman  <dorit@il.ibm.com>
1068
1069         * Makefile.in (tree-vect-patterns.o): Add rule for new file.
1070         * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
1071         existing STMT_VINFO_VECTYPE if available.
1072         (vect_mark_relevant): Add special handling for stmts that are
1073         marked as STMT_VINFO_IN_PATTERN_P.
1074         (vect_analyze_loop): Call vect_pattern_recog.
1075         * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
1076         * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
1077         stmt_info.
1078         (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
1079         (vect_recog_func_ptr): New function-pointer type.
1080         * tree-vect-patterns.c: New file.
1081         (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
1082         (vect_recog_dot_prod_pattern, vect_pattern_recog):
1083         (vect_pattern_recog_1): New functions.
1084         (vect_pattern_recog_funcs): New array of function pointers.
1085
1086         * tree-vectorizer.h (ternary_op): New enum value.
1087         * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
1088         declaration. Revised documentation. Removed redundant dump prints.
1089         Removed redundant argument. Added support for reduction patterns.
1090         (vectorizable_reduction): Added support for reduction patterns.
1091         (vect_transform_stmt): Added support for patterns.
1092
1093         * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
1094         * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
1095         * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
1096         (expand_widen_pattern_expr): New function.
1097         (init_optabs): Initialize new optabs udot_prod_optab,
1098         sdot_prod_optab.
1099         * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
1100         (sdot_prod_optab, udot_prod_optab): Define new optabs.
1101         (expand_widen_pattern_expr): New function declaration.
1102         * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
1103         tree-codes.
1104         * tree-inline.c (estimate_num_insns_1): Added cases for new
1105         tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1106         * tree-pretty-print.c (dump_generic_node): Likewise.
1107         (op_prio): Likewise.
1108         (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1109         * tree-ssa-operands.c (get_expr_operands): Added case for
1110         DOT_PROD_EXPR.
1111         * tree-vect-patterns.c (widened_name_p): New function.
1112         (vect_recog_dot_prod_pattern): Added function implementation.
1113         * tree-vect-transform.c (get_initial_def_for_reduction): Added
1114         cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
1115         * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
1116         * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
1117
1118         * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
1119         * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
1120         * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
1121         (init_optabs): Initialize new optabs widen_ssum_optab,
1122         widen_usum_optab.
1123         * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
1124         (widen_ssum_optab, widen_usum_optab): Define new optabs.
1125         * tree-vect-generic.c: (expand_vector_operations_1): Check type of
1126         use instead of type of def.
1127         * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
1128         function implementation.
1129         * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
1130         widen_ssumv8hi): New.
1131
1132         * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
1133         patterns.
1134
1135 2006-01-19  Richard Sandiford  <richard@codesourcery.com>
1136
1137         PR c/25805
1138         * c-decl.c (add_flexible_array_elts_to_size): New function.
1139         (finish_decl): Use it.
1140
1141 2006-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
1142
1143         * diagnostic.h: Include options.h.
1144         * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
1145         dependancies for diagnostic.h.
1146         * Makefile.in (DIAGNOSTIC_H): Add options.h.
1147
1148 2006-01-16  Daniel Berlin  <dberlin@dberlin.org>
1149
1150         * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
1151         (ssa_ro_call_cache_valid): Ditto.
1152         * tree-ssa-alias.c (sort_tags_by_id): New function.
1153         (init_transitive_clobber_worklist): Ditto.
1154         (add_to_worklist): Ditto.
1155         (mark_aliases_call_clobbered): Ditto.
1156         (compute_tag_properties): Ditto.
1157         (set_initial_properties): Ditto.
1158         (compute_call_clobbered): Ditto.
1159         (compute_may_aliases):  Call compute_call_clobbered and grouping.
1160         (compute_flow_sensitive_aliasing): Remove clobbering related code.
1161         (compute_flow_insensitive_aliasing): Grouping now happens in our
1162         caller.
1163         (setup_pointers_and_addressables): Remove clobbering related code.
1164         (add_may_alias): Ditto.
1165         (replace_may_alias): Ditto.
1166         (get_nmt_for): Ditto.
1167         (create_global_var):
1168         (is_escape_site): Return an escape_type enumeration.
1169         * tree-flow-inline.h (is_call_clobbered):  Global var does not
1170         imply call clobbered.
1171         (mark_call_clobbered): Take a reason for marking this. Remove
1172         marking of globalness, and cache invalidation.
1173         (clear_call_clobbered): Remove cache invalidation code.
1174         * tree-dfa.c (dump_variable): If details is on, dump the reason
1175         for escaping.
1176         * tree-outof-ssa.c (create_temp): Copy escape mask from original
1177         variable.
1178         * tree-flow.h (struct ptr_info_def): Add escape mask member.
1179         (struct var_ann_d): Ditto.
1180         (enum escape_type): New.
1181         (mark_call_clobbered): Adjust prototype.
1182         * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
1183         are never call clobbered.
1184         Record reasons for escaping.
1185         * tree-ssa-structalias.h (is_escape_site): Update prototype.
1186         * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
1187         (ssa_ro_call_cache_valid): Ditto.
1188         (clobbered_v_may_defs): Ditto.
1189         (clobbered_vuses): Ditto.
1190         (ro_call_vuses): Ditto.
1191         (clobber_stats): New.
1192         (init_ssa_operands): Zero out clobber stats.
1193         (fini_ssa_operands): Print out clobber stats.
1194         (get_call_expr_operands): Pass callee fndecl to
1195         add_call_read_ops).
1196         (add_call_clobber_ops): Remove use of cache.
1197         Add use of PURE_CONST information.
1198         (add_call_read_ops): Remove use of cache.
1199         Add use of static not_read information.
1200
1201 2006-01-18  Alexandre Oliva  <aoliva@redhat.com>
1202
1203         Introduce TLS descriptors for i386 and x86_64.
1204         * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
1205         (TARGET_ANY_GNU_TLS): New macro.
1206         (enum tls_dialect): Added TLS_DIALECT_GNU2.
1207         (struct machine_function): Add tls_descriptor_call_expanded_p.
1208         (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
1209         (ix86_current_function_calls_tls_descriptor): Likewise.
1210         * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
1211         (override_options): Introduce gnu2 tls dialect.
1212         (ix86_frame_pointer_required): Functions containing TLSCALLs are
1213         not leaves.
1214         (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
1215         Likewise.
1216         (legitimize_tls_address): Adjust logic for GNU2 TLS.
1217         (ix86_init_machine_status): Initialize new field.
1218         (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
1219         (ix86_tls_module_base): New.
1220         * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
1221         * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
1222         (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
1223         (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
1224         (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
1225         (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
1226         (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
1227         (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
1228         * config/i386/predicates.md (tls_modbase_operand): New.
1229         (tp_or_register_operand): New.
1230
1231 2006-01-18  Daniel Berlin  <dberlin@dberlin.org>
1232
1233         * ipa-reference.c (check_operand):  Allow FUNCTION_DECL.
1234         (look_for_address_of): Ditto.
1235         (ipa_init): Walk the function decls.
1236         (static_execute): Don't set readonly on FUNCTION_DECL's.
1237
1238 2006-01-18  Roger Sayle  <roger@eyesopen.com>
1239
1240         * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
1241         for shifts where the source and destination registers are different.
1242
1243 2006-01-18  Paul Brook  <paul@codesourcery.com>
1244
1245         Merge from csl-arm-branch.
1246         2005-03-14  Julian Brown  <julian@codesourcery.com>
1247         * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
1248         (aeabi_llsl): Likewise.
1249         (ashrdi3): Likewise.
1250         (aeabi_lasr): Likewise.
1251         (lshrdi3): Likewise.
1252         (aeabi_llsr): Likewise.
1253         2005-03-10  Julian Brown  <julian@codesourcery.com>
1254         * config.gcc: Disable shared libgcc for SymbianOS.
1255         * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
1256
1257 2006-01-18  DJ Delorie  <dj@redhat.com>
1258
1259         * c-pragma.c (handle_pragma_diagnostic): New.
1260         (init_pragma): Register it.
1261         * doc/extend.texi: Document it.
1262
1263         * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
1264         * diagnostic.h (diagnostic_classify_diagnostic): Declare.
1265         (diagnostic_context): Add classify_diagnostic[].
1266         * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
1267         as errors if they're overridden to DK_WARNING.
1268         (diagnostic_initialize): Initialize classify_diagnostic[].
1269         (diagnostic_set_kind_override): New.
1270         (diagnostic_report_diagnostic): Check for kind changes.
1271         * opts.c (common_handle_option): Take lang_mask.  Update callers.
1272         Handle OPT_Werror_.
1273         * common.opt (Werror=): New.
1274         * doc/invoke.texi: Document -Werror=*
1275
1276 2006-01-18  Jeff Law  <law@redhat.com>
1277
1278         * tree-vrp.c (test_for_singularity): Correct test for new
1279         min limit.  Use operand_equal_p rather than pointer equality
1280         for testing if new min/max values are equal.
1281
1282         * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
1283         using range information until after propagation and folding.
1284
1285 2006-01-18  Richard Henderson  <rth@redhat.com>
1286             Aldy Hernandez  <aldyh@redhat.com>
1287             Jakub Jelinek  <jakub@redhat.com>
1288             Diego Novillo  <dnovillo@redhat.com>
1289
1290         * omp-low.c: New file.
1291         * c-omp.c: New file.
1292
1293 2006-01-18  Richard Henderson  <rth@redhat.com>
1294             Jakub Jelinek  <jakub@redhat.com>
1295             Diego Novillo  <dnovillo@redhat.com>
1296
1297         * doc/invoke.texi: Document -fopenmp.
1298         * tree-dump.h (debug_function): Declare.
1299         * hooks.c (hook_bool_tree_bool_false): New function.
1300         (hook_tree_tree_null): Remove.
1301         (hook_tree_tree_tree_null): New.
1302         * hooks.h: Update to match.
1303         * tree-pretty-print.c (debug_tree_chain): New.
1304         (print_generic_expr): Handle TDF_CHAIN.
1305         (dump_generic_node): Handle BLOCK.
1306         Do not abort with incomplete SWITCH_EXPRs.
1307         Do not dump body of an OpenMP directive if TDF_SLIM is given.
1308         <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
1309         print space after directive name.
1310         <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
1311         Handle OMP_MASTER and OMP_ORDERED.
1312         Handle printing of OMP_BODY just in one place, goto
1313         dump_omp_body in the rest of OMP_* nodes that have
1314         OMP_BODY.
1315         Don't handle clause nodes here.  Update omp statements to
1316         use dump_omp_clauses.
1317         Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
1318         OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
1319         OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
1320         GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
1321         GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
1322         GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
1323         Adjust output for GOMP_PARALLEL.
1324         (dump_omp_clauses): New.
1325         (print_declaration): Dump DECL_VALUE_EXPR.
1326         (op_symbol_1): Split out of op_symbol.
1327         (dumping_stmts): Remove.  Update all users.
1328         * cgraph.c (cgraph_analyze_queue): New.
1329         (cgraph_add_new_function): New.
1330         * cgraph.h (cgraph_analyze_queue): Declare.
1331         (cgraph_add_new_function): Declare.
1332         (cgraph_lower_function): Remove.
1333         * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
1334         nodes.  Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
1335         and TYPE_P nodes in its default clause.
1336         (empty_body_p): New.
1337         (tree_range_check_failed): New.
1338         (build5_stat): New.
1339         * tree.h (OMP_CLAUSE_REDUCTION_INIT,
1340         OMP_CLAUSE_REDUCTION_MERGE,
1341         OMP_CLAUSE_REDUCTION_PLACEHOLDER,
1342         OMP_CLAUSE_PRIVATE_DEBUG,
1343         OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
1344         OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
1345         OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
1346         OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
1347         OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
1348         OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
1349         OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
1350         OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
1351         OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
1352         OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
1353         OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
1354         OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
1355         OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
1356         OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
1357         (TREE_RANGE_CHECK): New.
1358         (empty_body_p): Declare.
1359         (enum omp_clause_default_kind): New.
1360         (build_string_literal): Declare.
1361         (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
1362         (build5_stat, build5): Declare.
1363         * tree-pass.h (TDF_CHAIN): Define.
1364         * tree-pass.h (PROP_gimple_lomp): Define.
1365         (pass_lower_omp): Declare.
1366         * diagnostic.h (debug_tree_chain): Declare.
1367         * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
1368         mode_for_size.
1369         (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
1370         * builtins.c (build_string_literal): Make extern.
1371         * gcc.c (include_spec_function): New.
1372         (static_spec_functions): Add it.
1373         (main): Move load of libgomp.spec ...
1374         (LINK_COMMAND_SPEC): ... here.
1375         (link_gomp_spec): New.
1376         (static_specs): Include it.
1377         (LINK_COMMAND_SPEC): Add link_gomp.
1378         (GOMP_SELF_SPECS): New.
1379         (driver_self_specs): Include it.
1380         (switch_matches): Don't mark inline.
1381         (main): Load libgomp.spec.
1382         * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
1383         OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
1384         and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
1385         * tree-gimple.h (enum omp_parallel): Declare.
1386         (determine_parallel_type): Declare.
1387         (omp_firstprivatize_variable): Declare.
1388         (omp_reduction_init): Declare.
1389         (diagnose_omp_structured_block_errors): Declare.
1390         (struct walk_stmt_info): Add want_return_expr.
1391         (struct walk_stmt_info): Add want_bind_expr, want_locations.
1392         (find_omp_clause): Declare.
1393         (insert_field_into_struct): Declare.
1394         (struct walk_stmt_info): Move from tree-nested.c
1395         (walk_stmts): Declare.
1396         * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
1397         to 200505.
1398         * cgraphunit.c (cgraph_lower_function): Make static.
1399         (cgraph_finalize_pending_functions): New.
1400         (cgraph_finalize_function): Call it.
1401         (cgraph_finalize_compilation_unit): Likewise.
1402         * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
1403         BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
1404         (BT_FN_UINT_UINT): New.
1405         (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
1406         DEF_FUNCTION_TYPE_VAR_4): Document.
1407         (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
1408         BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
1409         BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
1410         BT_FN_VOID_OMPFN_PTR_UINT_UINT,
1411         BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
1412         BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
1413         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
1414         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
1415         * builtins.def: Update DEF_BUILTIN comment to include COND argument.
1416         Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
1417         into separate files.
1418         (DEF_GOMP_BUILTIN): New.
1419         (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
1420         BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
1421         BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
1422         BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
1423         BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
1424         BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
1425         BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
1426         BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
1427         BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
1428         BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
1429         BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
1430         BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
1431         BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
1432         BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
1433         BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
1434         BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
1435         BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
1436         BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
1437         BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
1438         BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
1439         BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
1440         BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
1441         BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
1442         BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
1443         BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
1444         BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
1445         * sync-builtins.def: New file, moved from builtins.def.
1446         * omp-builtins.def: New file, moved from builtins.def.
1447         * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
1448         * gimple-low.c (lower_function_body): Clear data.
1449         (lower_stmt): Do not handle COMPOUND_EXPR.
1450         Remove call to print_node_brief.
1451         * c-tree.h (c_finish_omp_clauses): New prototype.
1452         (C_DECL_THREADPRIVATE_P): Define.
1453         (lookup_name_no_remap, c_omp_remap_private): Remove
1454         (c_begin_omp_parallel, c_finish_omp_parallel): Update.
1455         (check_for_loop_decls): Update decl.
1456         (lookup_name_no_remap, c_omp_remap_private): Declare.
1457         (build_indirect_ref, build_modify_expr, pushdecl,
1458         pushdecl_top_level): Move to c-common.h.
1459         * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
1460         before the switch, but just in the 2 places that need it.
1461         * c-decl.c (diagnose_mismatched_decls): Do not check for
1462         mismatched thread-local attributes when OLDDECL is marked
1463         threadprivate and NEWDECL has no thread-local attributes.
1464         (merge_decls): Merge C_DECL_THREADPRIVATE_P.
1465         (c_gimple_diagnostics_recursively): Rename from
1466         c_warn_unused_result_recursively.  Invoke
1467         diagnose_omp_structured_block_errors.
1468         (check_for_loop_decls): Return a singular decl found.
1469         * langhooks.c (lhd_omp_predetermined_sharing): Return
1470         OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
1471         (lhd_omp_firstprivatize_type_sizes): New.
1472         (lhd_omp_assignment): New.
1473         (lhd_omp_predetermined_sharing): New.
1474         * langhooks.h (struct gimplify_omp_ctx): Forward declare.
1475         (struct lang_hooks_for_types): Add
1476         omp_firstprivatize_type_sizes, omp_privatize_by_reference,
1477         omp_predetermined_sharing, omp_disregard_value_expr,
1478         omp_private_debug_clause, omp_clause_default_ctor,
1479         omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
1480         (c_finish_omp_clauses): New.
1481         (c_finish_bc_stmt): Diagnose break within omp for.
1482         (c_begin_omp_parallel, c_finish_omp_parallel): New.
1483         (build_unary_op): Return error_mark after reporting
1484         a readonly_error.
1485         (build_modify_expr): Likewise.
1486         * gimplify.c: Include optabs.h and pointer-set.h.
1487         (enum gimplify_omp_var_data): Declare.
1488         (struct gimplify_omp_ctx): Declare.
1489         (struct gimplify_ctx): Add fields prev_context, combined_pre_p
1490         and combined_ctxp.
1491         (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
1492         (push_gimplify_context, pop_gimplify_context): Allow nesting.
1493         (splay_tree_compare_decl_uid): New.
1494         (new_omp_context): New.
1495         (delete_omp_context): New.
1496         (gimple_add_tmp_var): Call omp_add_variable.
1497         (gimplify_bind_expr): Likewise.
1498         (gimplify_var_or_parm_decl): If omp_notice_variable returned
1499         true, disregard DECL_VALUE_EXPR on the decl if any.
1500         (gimplify_expr_in_ctx): New.
1501         (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
1502         omp_add_variable, omp_notice_variable, omp_is_private
1503         gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
1504         gimplify_adjust_omp_clauses, gimplify_omp_parallel
1505         gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
1506         gimplify_omp_atomic_fetch_op, goa_stabilize_expr
1507         gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
1508         gimplify_omp_atomic): New.
1509         (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1510         OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1511         OMP_CRITICAL and OMP_ATOMIC.
1512         (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
1513         * c-pragma.h (enum pragma_kind): Add
1514         PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
1515         PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
1516         PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
1517         PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
1518         PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
1519         PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
1520         PRAGMA_OMP_THREADPRIVATE.
1521         * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1522         OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1523         OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
1524         OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
1525         OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
1526         OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
1527         OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
1528         OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
1529         OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
1530         * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
1531         * tree-ssa-dce.c (find_control_dependence): Do not assume that
1532         ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
1533         * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
1534         OpenMP directives.
1535         (struct nesting_info): Add field_map,
1536         suppress_expansion, debug_var_chain.
1537         (create_nesting_tree): Initialize them.
1538         (lookup_field_for_decl): Use field_map.
1539         (get_nonlocal_debug_decl, get_local_debug_decl): New.
1540         (convert_local_omp_clauses): New.
1541         (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
1542         (walk_body): Split out of walk_function.
1543         (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
1544         (convert_nonlocal_reference): Handle omp statements.
1545         (convert_local_reference): Likewise.
1546         (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
1547         (unnest_nesting_tree): New.
1548         (lower_nested_functions): Call it.
1549         (insert_field_into_struct): Make extern.
1550         (struct walk_stmt_info): Move to tree-gimple.h.
1551         (walk_stmts): Make extern.
1552         * omp-builtins.def: New file.
1553         * tree-iterator.c (expr_only): Clarify comment.
1554         * c-common.h (pushdecl_top_level, pushdecl,
1555         build_modify_expr, build_indirect_ref,
1556         c_finish_omp_master, c_finish_omp_critical,
1557         c_finish_omp_ordered, c_finish_omp_barrier,
1558         c_finish_omp_atomic, c_finish_omp_flush,
1559         c_finish_omp_for, c_split_parallel_clauses,
1560         omp_clause_default_kind, c_omp_sharing_predetermined,
1561         c_omp_remap_decl): Declare.
1562         * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
1563         (OBJS-common): Add omp-low.o.
1564         (c-omp.o, omp-low.o): Add.
1565         (gimplify.o): Add dependency on $(OPTABS_H).
1566         (GTFILES): Add omp-low.c.
1567         (gt-stringpool.h): Add.
1568         * tree-cfg.c (set_bb_for_stmt): Do not update the
1569         block-to-labels map if we are currently expanding to RTL.
1570         (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
1571         checks.
1572         Handle IDENTIFIER_NODE.
1573         (tree_verify_flow_info): Do not ICE when emitting error
1574         messages about invalid labels.
1575         (dump_function_to_file): Reset CFUN before emitting the body
1576         of the function.
1577         (debug_function): New.
1578         * passes.c (init_optimization_passes): Schedule
1579         pass_lower_omp.
1580         * langhooks-def.h (lhd_omp_predetermined_sharing,
1581         lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
1582         Declare.
1583         (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
1584         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
1585         (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
1586         LANG_HOOKS_OMP_PREDETERMINED_SHARING,
1587         LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
1588         LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
1589         LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
1590         LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
1591         LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
1592         LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
1593         (LANG_HOOK_DECLS): Use them.
1594
1595 2006-01-18  Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
1596             Richard Henderson  <rth@redhat.com>
1597             Jakub Jelinek  <jakub@redhat.com>
1598             Diego Novillo  <dnovillo@redhat.com>
1599
1600         * c-parser.c (pragma_omp_clause): Define.
1601         (c_parser_declaration_or_fndef): Document OpenMP syntax.
1602         (c_parser_compound_statement): Likewise.
1603         (c_parser_statement): Likewise.
1604         (c_parser_pragma): Handle omp pragmas.
1605         (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
1606         OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
1607         (c_parser_omp_clause_name, check_no_duplicate_clause,
1608         c_parser_omp_variable_list,
1609         c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
1610         c_parser_omp_clause_copyprivate,
1611         c_parser_omp_clause_default,
1612         c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
1613         c_parser_omp_clause_lastprivate,
1614         c_parser_omp_clause_nowait,
1615         c_parser_omp_clause_num_threads,
1616         c_parser_omp_clause_ordered, c_parser_omp_clause_private,
1617         c_parser_omp_clause_reduction,
1618         c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
1619         c_parser_omp_all_clauses, c_parser_omp_structured_block,
1620         c_parser_omp_atomic, c_parser_omp_barrier,
1621         c_parser_omp_critical, c_parser_omp_flush,
1622         c_parser_omp_for_loop, c_parser_omp_for,
1623         c_parser_omp_master, c_parser_omp_ordered,
1624         c_parser_omp_sections_scope, c_parser_omp_sections,
1625         c_parser_omp_parallel, c_parser_omp_single,
1626         c_parser_omp_construct, c_parser_omp_threadprivate): New.
1627         * c-pragma.c (init_pragma): Do omp pragma registration here.
1628         * c.opt (fopenmp): New flag.
1629
1630 2006-01-18  Eric Christopher  <echristo@apple.com>
1631
1632         * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
1633         * config/darwin.h (GOMP_SELF_SPECS): Define.
1634
1635 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
1636
1637         * rtl.h: Remove the prototype for reg_alloc.
1638
1639 2006-01-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1640
1641         PR target/25731
1642         * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
1643         hppa[12]*-*-hpux11*): Override default shared libgcc version for both
1644         sjlj and dwarf2 exception handling.
1645         * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
1646         Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
1647         * pa/pa.c (function_value): Treat complex and vector types as
1648         aggregates.
1649         (function_arg): Likewise.  Only pass scalar floats in the floating
1650         point argument registers.
1651         * pa/t-slibgcc-dwarf-ver: New file.
1652         * pa/t-slibgcc-sjlj-ver: New file.
1653         * pa/t-slibgcc-elf-ver: Delete file.
1654
1655 2006-01-19  Alan Modra  <amodra@bigpond.net.au>
1656
1657         * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
1658         unlikely_test_section_p test.
1659
1660 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
1661
1662         * mode-switching.c (optimize_mode_switching): Make it static.
1663         * basic-block.h: Remove the prototype for
1664         optimize_mode_switching.
1665
1666         * modulo-sched.c (sms_schedule): Make it static.
1667         * rtl.h: Remove the prototype for sms_schedule.
1668
1669         * postreload-gcse.c (gcse_after_reload_main): Make it static.
1670         * rtl.h: Remove the prototype for gcse_after_reload_main.
1671
1672         * reg-stack.c (reg_to_stack): Make it static.
1673         * rtl.h: Remove the prototype for reg_to_stack.
1674
1675         * regrename.c (regrename_optimize, copyprop_hardreg_forward):
1676         Make them static.
1677         * rtl.h: Remove the prototypes for regrename_optimize and
1678         copyprop_hardreg_forward.
1679
1680 2006-01-18  Eric Botcazou  <ebotcazou@adacore.com>
1681
1682         * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
1683         alpha_split_tmode_pair.  Add 'mode' and 'fixup_overlap' arguments.
1684         Test against the appropriate null constant for the mode.
1685         If 'fixup_overlap' is true, swap the operands if they overlap.
1686         (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
1687         * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
1688         alpha_split_tmode_pair and adjust for above change.
1689         * config/alpha/alpha.md (movtf_internal): Adjust call to
1690         alpha_split_tfmode_pair and rely on it to swap the operands.
1691         (movti_internal): New insn and post-reload splitter.
1692         (movti): New expander.
1693
1694 2006-01-18  Philippe De Muyter  <phdm@macqel.be>
1695
1696         * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
1697         operands.
1698
1699 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
1700
1701         * rtlanal.c (global_reg_mentioned_p_1,
1702         global_reg_mentioned_p): Remove.
1703         * rtl.h: Remove the prototype for global_reg_mentioned_p.
1704
1705         * flow.c (initialize_uninitialized_subregs): Make it static.
1706         * rtl.h: Remove the prototype for
1707         initialize_uninitialized_subregs.
1708
1709         * function.c (instantiate_virtual_regs): Make it static.
1710         * function.h: Remove the prototype for
1711         instantiate_virtual_regs.
1712
1713         * regmove.c (regmove_optimize, combine_stack_adjustments):
1714         Make them static.
1715         * rtl.h: Remove the prototypes for regmove_optimize and
1716         combine_stack_adjustments.
1717
1718 2006-01-17  Roger Sayle  <roger@eyesopen.com>
1719
1720         * config/i386/i386.c (COSTS_N_BYTES): New macro.
1721         (size_cost): Encode costs in bytes so that a reg-reg addition is
1722         equivalent to COSTS_N_INSNS(1).
1723         (override_options): Use the size_cost.branch_cost as the default
1724         ix86_branch_cost when optimizing for size.
1725
1726 2006-01-18  Ben Elliston  <bje@au.ibm.com>
1727
1728         * Makefile.in (D32PBIT_FUNCS): New.
1729         (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
1730         (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
1731         D64PBIT_FUNCS and D128PBIT_FUNCS.
1732         (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
1733         * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
1734         D128PBIT are set.
1735         (decnumber_dep): Define.
1736         * doc/libgcc.texi (Decimal float library routines): New node.
1737         * config/dfp-bit.h, config/dfp-bit.c: New files.
1738
1739 2006-01-18  Ben Elliston  <bje@au.ibm.com>
1740
1741         * expr.c (emit_move_change_mode): Always adjust addresses, not
1742         just during reload.  Copy replacements only during reload.
1743         (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
1744         emit_move_via_integer.
1745
1746 2006-01-17  Shantonu Sen  <ssen@opendarwin.org>
1747
1748         * Makefile.in (check-%, check-consistency): Use $${srcdir}
1749         instead of $(srcdir) and ${srcdir}.
1750
1751 2006-01-17  Richard Earnshaw  <rearnsha@arm.com>
1752
1753         PR target/592
1754         PR middle-end/11135
1755         * arm.h (struct machine_function): Add pic_reg.
1756         * arm.c (arm_pic_register): Make unsigned.
1757         (arm_override_options): Only set arm_pic_register if
1758         TARGET_SINGLE_PIC_BASE.
1759         (use_return_insn): Only test for a pic register if it is fixed.
1760         (arm_compute_save_reg0_reg12_mask): Likewise.
1761         (thumb_compute_save_reg_mask): Likewise.
1762         (legitimate_pic_operand): Factor out some known invariants.
1763         (legitimize_pic_address): If we don't have a fixed pic register,
1764         then set up a pseudo in the function entry sequence.  Handle the
1765         pic base being in a pseudo.
1766         (arm_load_pic_register): Handle the pic register being in a pseudo.
1767         (arm_expand_prologue): Only set up the pic register if it is fixed.
1768         (thumb_expand_prologue): Likewise.
1769         * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
1770         (pic_load_addr_based_insn): Likewise.
1771         (builtin_setjmp_receiver): Don't restore the pic base if it isn't
1772         fixed.
1773
1774 2006-01-18  Ben Elliston  <bje@au.ibm.com>
1775
1776         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
1777         decimal float modes for all floating point registers.
1778
1779         * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
1780         match_code "mem" with match_test "macho_lo_sum_memory_operand".
1781
1782 2006-01-17  Jakub Jelinek  <jakub@redhat.com>
1783
1784         PR c/25682
1785         * c-typeck.c (build_unary_op): Fold offsetof-like expressions
1786         even when the pointer is not NULL.
1787
1788 2006-01-16  Ian Lance Taylor  <ian@airs.com>
1789
1790         * common.opt (ftoplevel-reorder): New option.
1791         * cgraph.c (cgraph_asm_nodes): New global variable.
1792         (cgraph_asm_last_node): New static variable.
1793         (cgraph_order): New global variable.
1794         (cgraph_create_node): Set new order field.
1795         (cgraph_varpool_node): Likewise.
1796         (decide_is_variable_needed): Return true if not
1797         flag_toplevel_reorder.
1798         (cgraph_add_asm_node): New function.
1799         * cgraph.h (struct cgraph_node): Add order field.
1800         (struct cgraph_varpool_node): Add order field.
1801         (struct cgraph_asm_node): Define.
1802         (cgraph_asm_nodes, cgraph_order): Declare.
1803         (cgraph_add_asm_node): Declare.
1804         * cgraphunit.c (cgraph_varpool_assemble_decl): New static
1805         function.
1806         (cgraph_varpool_assemble_pending_decls): Call it.
1807         (cgraph_output_pending_asms): New static function.
1808         (cgraph_finalize_compilation_unit): Call it.
1809         (struct cgraph_order_sort): Define.
1810         (cgraph_output_in_order): New static function.
1811         (cgraph_optimize): Call cgraph_output_pending_asms.  Add code for
1812         !flag_toplevel_reorder case.
1813         * c-parser.c: Include "cgraph.h".
1814         (c_parser_asm_definition): Call cgraph_add_asm_node rather than
1815         assemble_asm.
1816         * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
1817         than -fno-unit-at-a-time.
1818         * doc/invoke.texi (Option Summary): Mention
1819         -fno-toplevel-reorder.
1820         (Optimize Options): Document -fno-toplevel-reorder.  Mention it in
1821         -funit-at-a-time documentation.
1822
1823 2006-01-17  Hans-Peter Nilsson  <hp@axis.com>
1824             Kazu Hirata  <kazu@codesourcery.com>
1825
1826         * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
1827
1828 2006-01-17  Kazu Hirata  <kazu@codesourcery.com>
1829
1830         * Makefile.in (FUNCTION_H): New.  Use it instead of
1831         function.h throughout the file.
1832         * function.h: Include tree.h.
1833
1834 2006-01-17  Ben Elliston  <bje@au.ibm.com>
1835
1836         * recog.c: Separate some functions with whitespace.
1837
1838 2006-01-16  Richard Henderson  <rth@redhat.com>
1839
1840         Merge from gomp branch:
1841         * Makefile.in (TREE_INLINE_H): New.  Use it as needed.
1842         * tree-inline.h (struct copy_body_data): Move from tree-inline.c
1843         and rename from struct inline_data.  Rename callee* to dst*;
1844         caller* to src*; add copy_decl hook, transform_call_graph_edges,
1845         transform_new_cfg, transform_return_to_modify, and
1846         transform_lang_insert_block flags; remove cloning_p, versioning_p,
1847         update_clones_p.
1848         (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
1849         (copy_decl_for_dup): Remove.
1850         * tree-inline.c (struct inline_data): Move to header.
1851         (insert_decl_map): Export.
1852         (remap_decl): Update for member name changes.  Use copy_decl hook.
1853         Allow for replacement to be a non-decl.  Remove dead code.
1854         (remap_type_1): Check for existing mapping.
1855         (remap_type): Export.
1856         (remap_decls): Update for member name changes.
1857         (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
1858         (copy_body, setup_one_parameter, declare_return_variable): Likewise.
1859         (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
1860         (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
1861         (tree_function_versioning, build_duplicate_type): Likewise.
1862         (copy_body_r): Likewise.  Export.
1863         (copy_decl_for_dup): Split into ...
1864         (copy_decl_for_dup_finish, copy_decl_to_var,
1865         copy_decl_no_change, copy_decl_maybe_to_var): ... these.
1866         (replace_ref_tree, inlining_p): Remove.
1867
1868 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
1869
1870         * ifcvt.c (if_convert): Make it static.
1871         * rtl.h: Remove the prototype for if_convert.
1872
1873         * local-alloc.c (local_alloc): Make it static.
1874         * rtl.h: Remove the prototype for local_alloc.
1875
1876         * loop.c (loop_optimize): Make it static.
1877         * cfgloop.h: Remove the prototype for loop_optimize.
1878         * rtl.h: Likewise.
1879
1880 2006-01-16  DJ Delorie  <dj@redhat.com>
1881
1882         * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
1883         mems.
1884
1885 2006-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1886
1887         * pa.md: Disparage copies between general and floating-point registers
1888         in 32-bit move patterns.
1889
1890 2006-01-16  H.J. Lu  <hongjiu.lu@intel.com>
1891
1892         PR testsuite/25741
1893         * Makefile.in (check-%): Depend on site.exp instead of
1894         $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
1895         directories.
1896
1897 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
1898
1899         * global.c (global_alloc): Make it static.
1900         * rtl.h: Remove the prototype for global_alloc.
1901
1902 2006-01-16  Richard Guenther  <rguenther@suse.de>
1903
1904         * tree-ssa-alias.c (struct used_part): Add write_only field.
1905         (get_or_create_used_part_for): Initialize it to true.
1906         (create_overlap_variables_for): Don't create structure variables
1907         for structures that only are written to.
1908         (find_used_portions): Handle MODIFY_EXPR to track whether a
1909         structure is only written to.
1910
1911 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
1912
1913         * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
1914         static.
1915         * basic-block.h: Remove the prototype for
1916         partition_hot_cold_basic_blocks.
1917
1918 2006-01-16  Rafael Ãƒvila de Espíndola <rafael.espindola@gmail.com>
1919
1920         * cppspec.c (lang_specific_spec_functions): Remove.
1921         * gcc.c (lookup_spec_function): Use static_spec_functions directly.
1922         * gcc.h (lang_specific_spec_functions): Remove.
1923         * gccspec.c (lang_specific_spec_functions): Remove.
1924
1925 2006-01-16  Paolo Bonzini  <bonzini@gnu.org>
1926
1927         * combine.c (record_value_for_reg): Invalidate registers
1928         if INSN is null.
1929         (record_dead_and_set_regs_1): Likewise, by passing them to
1930         record_value_for_reg.
1931         (record_dead_and_set_regs): Invalidate stores made by a
1932         call.  We do not combine across a call, but we still
1933         relied on equivalences.
1934
1935 2006-01-16  Eric Botcazou  <ebotcazou@adacore.com>
1936
1937         * tree-vrp.c (extract_range_from_binary_expr): Cope with
1938         vrp_int_const_binop returning non-constant nodes.
1939
1940 2006-01-16  Paul Brook  <paul@codesourcery.com>
1941
1942         * config/m68k/m68k.c (output_move_const_into_data_reg):
1943         Output correct mnemonic for mvz and mvs.
1944
1945 2006-01-16  Gabor Loki  <loki@gcc.gnu.org>
1946
1947         * rtl-factoring.c: Add sequence abstraction algorithm.
1948         * cfgcleanup.c (outgoing_edges_match): Extra checks.
1949         (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
1950         ABNORMAL edges.
1951         (block_has_preserve_label): New function.
1952         * common.opt: Register new pass.
1953         * Makefile.in: Ditto.
1954         * passes.c: Ditto.
1955         * timevar.def: Ditto.
1956         * tree-pass.h: Ditto.
1957         * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
1958         * rtl.h (make_jump_insn_raw): Add forward decl.
1959         * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
1960
1961 2006-01-16  Eric Botcazou  <ebotcazou@adacore.com>
1962             Roger Sayle  <roger@eyesopen.com>
1963
1964         * fold-const.c (fold_minmax): New static function.
1965         (fold_binary) <MIN_EXPR>: Call it.
1966         <MAX_EXPR>: Likewise.
1967         * stor-layout.c (place_field): Use DECL_SIZE consistently
1968         in the computation of the new record size.
1969
1970 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
1971
1972         * cse.c (cse_condition_code_reg): Make it static.
1973         * rtl.h: Remove the prototype for cse_condition_code_reg.
1974
1975         * combine.c (combine_instructions): Make it static.
1976         * rtl.h: Remove the prototype for combine_instructions.
1977
1978 2006-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1979
1980         PR target/25168
1981         * tree.c (get_file_function_name_long): Concatenate the first global
1982         object name with a string derived from the input filename of the object
1983         for type "F".
1984
1985 2006-01-16  Ben Elliston  <bje@au.ibm.com>
1986
1987         * config/i386/winnt-stubs.c: Update FSF address.
1988         * config/xtensa/ieee754-df.S: Ditto.
1989         * config/xtensa/ieee754-sf.S: Ditto.
1990
1991 2006-01-14  Ian Lance Taylor  <ian@airs.com>
1992
1993         * ifcvt.c (noce_init_if_info): New static function, broken out of
1994         noce_process_if_block.
1995         (noce_process_if_block): Call noce_init_if_info.
1996         (check_cond_move_block): New static function.
1997         (cond_move_process_if_block): New static function.
1998         (process_if_block): Call cond_move_process_if_block.
1999
2000 2006-01-15  Kazu Hirata  <kazu@codesourcery.com>
2001
2002         * cselib.c (hash_table): Rename to cselib_hash_table.
2003         (cselib_clear_table, discard_useless_values,
2004         remove_useless_values, cselib_lookup_mem, cselib_lookup,
2005         cselib_init, cselib_finish): Adjust uses of hash_table.
2006
2007 2006-01-14  Kazu Hirata  <kazu@codesourcery.com>
2008
2009         PR tree-optimization/25485
2010         * tree-vrp.c (extract_range_from_binary_expr): Handle cases
2011         where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
2012         is known to be false and true, respectively.
2013
2014 2006-01-14  Richard Guenther  <rguenther@suse.de>
2015
2016         PR tree-optimization/22548
2017         PR tree-optimization/22555
2018         PR tree-optimization/22501
2019         * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
2020         * params.def (salias-max-array-elements): New parameter.
2021         * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
2022         * doc/invoke.texi (salias-max-array-elements): Document.
2023         * tree-flow-inline.h (var_can_have_subvars): We also handle
2024         arrays now.
2025         * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
2026         COMPONENT_REF.
2027         * tree-ssa-structalias.c (params.h): Include.
2028         (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
2029         (find_func_aliases): Handle multiple constraints from ARRAY_REF.
2030         (get_constraint_for): For ADDR_EXPR operating on something
2031         containing an ARRAY_REF, add all subvars to the solution.
2032         (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
2033         * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
2034         for creating MUST_DEFs.
2035         (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
2036
2037 2006-01-14  Zdenek Dvorak <dvorakz@suse.cz>
2038
2039         * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
2040         functions.
2041         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
2042         assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2043         number_of_iterations_le): New functions.
2044         (number_of_iterations_special): Removed.
2045         (number_of_iterations_exit): Do not use number_of_iterations_special.
2046         * tree.c (unsigned_type_for): Always return integer type.
2047
2048 2006-01-14  Steven Bosscher  <stevenb.gcc@gmail.com>
2049         Richard Guenther  <rguenther@suse.de>
2050
2051         PR rtl-optimization/24257
2052         * gcse.c (find_moveable_store): Only consider a store movable
2053         when the SET_SRC of the insn can be assigned to a register.
2054
2055 2006-01-14  Ian Lance Taylor  <ian@airs.com>
2056
2057         * tree.c (tree_not_class_check_failed): New function.
2058         * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
2059         (tree_not_class_check_failed): Declare.
2060
2061 2006-01-13  Ian Lance Taylor  <ian@airs.com>
2062
2063         * reload1.c (do_output_reload): Add assertion rejecting a
2064         CALL_INSN.
2065
2066 2006-01-13  Adam Nemet  <anemet@caviumnetworks.com>
2067
2068         * combine.c (struct reg_stat): Add new fields truncation_label and
2069         truncated_to_mode.
2070         (record_value_for_reg): Reset truncated_to_mode.
2071         (record_truncated_value): New function.
2072         (check_promoted_subreg): Call it.  Rename to check_conversions.
2073         (combine_instructions): Rename check_promoted_subreg to
2074         check_conversions.
2075         (reg_truncated_to_mode): New function.
2076         (make_extraction): Use it.  Check TRULY_NOOP_TRUNCATION.
2077         (gen_lowpart_or_truncate): New function.
2078         (force_to_mode): Use it instead of gen_lowpart.
2079
2080 2006-01-13  Diego Novillo  <dnovillo@redhat.com>
2081
2082         * tree-ssa-alias.c (add_type_alias): Fix typo.  Test whether
2083         VAR is a tag, not its type tag.
2084
2085 2006-01-13  Alexandre Oliva  <aoliva@redhat.com>
2086
2087         * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
2088         alternatives to match style of other entries.
2089         (*vec_extractv2di_1_sse): Likewise.  Fix mode attr.
2090
2091 2006-01-13  Daniel Berlin  <dberlin@dberlin.org>
2092
2093         PR tree-optimization/25771
2094         * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
2095         SSA_NAMES.
2096
2097 2006-01-13  Andrew Pinski  <pinskia@physics.uc.edu>
2098
2099         PR tree-opt/24365
2100         * tree-inline.c (declare_return_variable): If the return variable
2101         was marked as a non gimple complex, set the return slot variable
2102         to be a non gimple comple variable.
2103
2104 2006-01-13  Richard Guenther  <rguenther@suse.de>
2105
2106         * builtins.c (expand_builtin_sincos): New function.
2107         (expand_builtin_mathfn_3): Remove dead code, sin and cos
2108         do not set errno.
2109         (expand_builtin): Expand sincos using expand_builtin_sincos.
2110
2111 2006-01-12  DJ Delorie  <dj@redhat.com>
2112
2113         * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
2114         shift counts, separate SI shifts for m32c vs m16c, pass shift type
2115         so that constant shifts can be split.
2116         * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
2117         (m32c_valid_pointer_mode): Make static.
2118         (shift_gen_func_for): New.
2119         (m32c_prepare_shift): Use it.  Split large const shifts into
2120         multiple shifts.
2121         * config/m32c/predicates.md (shiftcount_operand): Allow more
2122         general operands.
2123         (longshiftcount_operand): New.
2124         * doc/md.texi (Machine Constraints): Document In6.
2125
2126 2006-01-13  Ben Elliston  <bje@au.ibm.com>
2127
2128         * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
2129         REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
2130         documentation.
2131
2132 2006-01-12  Daniel Berlin  <dberlin@dberlin.org>
2133
2134         * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
2135         to try to avoid clobbering pieces of structures when we know
2136         something about the whole structure.
2137         * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
2138
2139 2006-01-13  Ben Elliston  <bje@au.ibm.com>
2140
2141         * doc/rtl.texi (Insns): Remove statement that libcalls cannot
2142         return in memory, as this is no limitation is no longer present.
2143
2144 2006-01-12  DJ Delorie  <dj@redhat.com>
2145
2146         * config/m32c/addsub.md (addhi3): Add two more alternatives, for
2147         mova with fb, and for fb+0 -> An.
2148
2149         * config/m32c/mov.md (peephole2): Fix enabling logic.
2150
2151         * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
2152         DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
2153         DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
2154         FINI_ARRAY_SECTION_ASM_OP): Define.
2155
2156         * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
2157         variable.
2158         (m32c_legitimize_reload_address): New logic to reload FB to An.
2159         (m32c_output_reg_push): Add newline.
2160         (m32c_output_reg_pop): Likewise.
2161
2162 2006-01-12  Ulrich Weigand  <uweigand@de.ibm.com>
2163
2164         * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
2165
2166 2006-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
2167
2168         * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
2169
2170 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
2171
2172         * config/sh/predicates.md (sh_rep_vec): Add parallel to
2173         match_code.
2174
2175 2006-01-11  Ben Elliston  <bje@au.ibm.com>
2176
2177         * rtlanal.c (find_reg_note): Assert insn is not null.
2178
2179 2006-01-11  Kenneth Zadeck <zadeck@naturalbridge.com>
2180
2181         * df-scan.c (df_hard_reg_init): Move declaration of i outside
2182         ifdef.
2183
2184 2006-01-11  Jeff Law  <law@redhat.com>
2185
2186         * tree-ssa-threadupdate.c (threaded_edges): New VEC to
2187         hold edge pairs.
2188         (mark_threaded_blocks, register_jump_thread): New functions.
2189         (thread_through_all_blocks): Remove unwanted argument.  No
2190         longer rely on e->aux to communicate thread target info.
2191         Call mark_threaded_blocks.  Release the threaded_blocks
2192         bitmap and threaded_edges vector when complete.
2193         * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
2194         (threaded_blocks): Remove.
2195         (tree_ssa_dominator_optimize): Remove initialization and
2196         finalization of threaded_blocks.  Simplify call to
2197         thread_through_all_blocks.
2198         (thread_across_edge): Call register_jump_thread rather than
2199         storing thread information into e->aux.
2200         (free_all_edge_infos): Simplify now that e->aux is no longer
2201         used to communicate with thread_through_all_blocks.
2202         * tree-flow.h (thread_through_all_blocks): Update prototype.
2203         (register_jump_thread): Prototype.
2204
2205 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
2206
2207         * df-core.c (df_compact_blocks, df_bb_replace): Use
2208         SET_BASIC_BLOCK instead of BASIC_BLOCK.
2209
2210 2006-01-11  Richard Guenther  <rguenther@suse.de>
2211
2212         PR tree-optimization/25734
2213         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
2214         stop propagation after successful propagation to the LHS.
2215
2216 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
2217
2218         * basic-block.h (control_flow_graph): Change the type of
2219         x_basic_block_info to VEC(basic_block,gc) *.
2220         (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
2221         basic_block_info.
2222         (SET_BASIC_BLOCK): New.
2223         * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
2224         instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
2225         * cfgbuild.c (find_basic_blocks): Likewise.
2226         * cfglayout.c (fixup_reorder_chain): Likewise.
2227         * cfgrtl.c (create_basic_block_structure,
2228         rtl_create_basic_block): Likewise.
2229         * ifcvt.c (find_if_case_1): Likewise.
2230         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
2231         Likewise.
2232
2233 2006-01-11  Kenneth Zadeck <zadeck@naturalbridge.com>
2234
2235         * Makefile.in: Removed rotted odf.c entry.
2236
2237 2006-01-11  Hans-Peter Nilsson  <hp@axis.com>
2238
2239         PR target/25706
2240         * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
2241         ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
2242         ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
2243         output pattern modifier, not %e.
2244         * config/cris/cris.c (cris_op_str): Update comment about pattern
2245         modifier.
2246         (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
2247         before falling through into...
2248         <case 'E'>: Redefined from old 'e' case.
2249
2250 2006-01-11  Jan Hubicka  <jh@suse.cz>
2251
2252         PR target/25042
2253         * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
2254
2255 2006-01-11  Jan Hubicka  <jh@suse.cz>
2256
2257         * i386.h (TARGET_DECOMPOSE_LEA): Kill.
2258         * i386.c (x86_decompose_lea): Kill.
2259         (ix86_rtx_costs): Kill.
2260
2261 2006-01-11  Jan Hubicka  <jh@suse.cz>
2262
2263         * cgraph.c (cgraph_insert_node_to_hashtable): New function.
2264         * cgraph.h (cgraph_node): Add inline_decl.
2265         (cgraph_insert_node_to_hashtable): Declare.
2266         (save_inline_function_body): Declare.
2267         * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
2268         clones.
2269         (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
2270         (cgraph_function_versioning): Update call of tree_function_versioning.
2271         (save_inline_function_body): New function.
2272         * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
2273         saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
2274         * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
2275         (cgraph_default_inline_p): Likewise.
2276         (cgraph_decide_inlining_incrementally): Likewise.
2277         * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
2278         (copy_bb): Kill saving; do updating of clones.
2279         (copy_cfg_body): Kill saving.
2280         (initialize_inlined-parameters): Likewise.
2281         (expand_call_inline): Likewise.
2282         (save_body): Kill.
2283         (tree_function_versioning): New parameter "update_clones".
2284         (inlining_p): Kill saving.
2285         * tree-inline.h (tree_function_versioning): Update prototype.
2286         * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
2287         saving.
2288
2289 2006-01-11  Ian Lance Taylor <ian@airs.com>
2290
2291         * combine.c (struct undo): Remove is_int.  Enumify types of undos.
2292         Allow undoing set of machine mode.
2293         (do_SUBST): Use enums instead of is_int.
2294         (do_SUBST_MODE): New function.
2295         (SUBST_MODE): New macro.
2296         (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
2297         reg and trying to replace reg_regno_rtx with a new register.
2298         (undo_all): Use new enums, handle undoing a PUT_MODE change.
2299         (simplify_set): Use SUBST_MODE.
2300         (distribute_notes): Remove code that tried to update reg notes
2301         for regno_reg_rtx changes.
2302
2303 2006-01-11  Paolo Bonzini  <bonzini@gnu.org>
2304
2305         PR tree-optimization/23109
2306         PR tree-optimization/23948
2307         PR tree-optimization/24123
2308
2309         * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
2310         * tree-cfg.c (single_noncomplex_succ): New.
2311         * tree-flow.h (single_noncomplex_succ): Declare it.
2312         * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2313         * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2314         (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
2315         insert_bb, register_division_in, insert_reciprocals,
2316         replace_reciprocal, free_bb): New.
2317         (execute_cse_reciprocals_1): Rewritten.
2318         (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
2319         Do not commit any edge insertion.  Always compute dominators and
2320         create the allocation pool.
2321         * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
2322         * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
2323         * targhooks.c (default_min_divistions_for_recip_mul): New.
2324         * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
2325         * passes.c (init_optimization_passes): Run recip after tree loop
2326         optimizations.
2327         * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
2328
2329 2006-01-11  Danny Berlin <dberlin@dberlin.org>
2330             Kenneth Zadeck <zadeck@naturalbridge.com>
2331
2332         * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
2333         DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
2334         DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
2335         DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
2336         DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
2337         DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
2338         DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
2339         DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
2340         DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
2341         DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
2342         DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
2343         DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
2344         DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
2345         DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
2346         DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
2347         DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
2348         DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
2349         DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
2350         DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
2351         DF_SCAN_POST_ALLOC): New macros.
2352         (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
2353         df_free_bb_function, df_local_compute_function, df_init_function,
2354         df_dataflow_function, df_confluence_function_0,
2355         df_confluence_function_n, df_transfer_function,
2356         df_finalizer_function, df_free_function, df_dump_problem_function,
2357         df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
2358         df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
2359         df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
2360         df_urec_bb_info, ) New types.
2361         (df_invalidated_by_call, df_all_hard_regs, df_state) New public
2362         variables.
2363         (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
2364         df_analyze_simple_change_some_blocks,
2365         df_analyze_simple_change_one_block, df_compact_blocks,
2366         df_bb_replace, df_bb_regno_last_use_find,
2367         df_bb_regno_first_def_find, df_bb_regno_last_def_find,
2368         df_insn_regno_def_p, df_find_def, df_find_use,
2369         df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
2370         df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
2371         df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
2372         debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
2373         debug_df_chain, df_get_dependent_problem, df_chain_create,
2374         df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
2375         df_grow_bb_info, df_chain_dump, df_print_bb_index,
2376         df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
2377         df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
2378         df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
2379         df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
2380         df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
2381         df_rescan_blocks, df_ref_create, df_get_artificial_defs,
2382         df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
2383         df_ref_remove, df_insn_refs_delete, df_refs_delete,
2384         df_reorganize_refs, df_set_state, df_hard_reg_init,
2385         df_read_modify_subreg_p) New public functions.
2386         * df-core.c: The core dataflow solver and glue routines for rtl
2387         dataflow.
2388         (df_init, df_add_problem, df_set_blocks, df_finish,
2389         df_hybrid_search_forward, df_hybrid_search_backward,
2390         df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
2391         df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
2392         df_bb_regno_last_use_find, df_bb_regno_first_def_find,
2393         df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
2394         df_reg_defined, df_find_use, df_reg_used, df_dump,
2395         df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
2396         df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
2397         debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
2398         debug_df_useno, reset_df_after_reload): New functions.
2399         * df-scan.c: The scanning fuctions, once in df.c, completely
2400         rewritten so that they now fully model the functionality of
2401         register usage at the backend.
2402         (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
2403         df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
2404         df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
2405         df_grow_insn_info, df_rescan_blocks, df_ref_create,
2406         df_get_artificial_defs, df_get_artificial_uses,
2407         df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
2408         df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
2409         df_refs_delete, df_reorganize_refs, df_set_state,
2410         df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
2411         df_def_record_1, df_defs_record, df_uses_record,
2412         df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
2413         df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
2414         df_record_exit_block_uses, df_hard_reg_init): New functions.
2415
2416         * df-problems.c: Seven concrete dataflow problems that use the
2417         scanning in df-scan.c and are solved by the engine in df-core.c.
2418         (df_get_dependent_problem, df_chain_create, df_chain_unlink,
2419         df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
2420         df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
2421         df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
2422         df_ru_free_bb_info, df_ru_alloc,
2423         df_ru_bb_local_compute_process_def,
2424         df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
2425         df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
2426         df_ru_transfer_function, df_ru_free, df_ru_dump,
2427         df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
2428         df_rd_free_bb_info, df_rd_alloc,
2429         df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
2430         df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
2431         df_rd_transfer_function, df_rd_free, df_rd_dump,
2432         df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
2433         df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
2434         df_lr_local_compute, df_lr_init, df_lr_confluence_0,
2435         df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
2436         df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
2437         df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
2438         df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
2439         df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
2440         df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
2441         df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
2442         df_urec_mark_reg_change, df_urec_check_earlyclobber,
2443         df_urec_mark_reg_use_for_earlyclobber,
2444         df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
2445         df_urec_local_compute, df_urec_init, df_urec_local_finalize,
2446         df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
2447         df_urec_dump, df_urec_add_problem, df_chain_alloc,
2448         df_chain_create_bb_process_use, df_chain_create_bb,
2449         df_chain_finalize, df_chain_free, df_chains_dump,
2450         df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
2451         df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
2452         df_reg_lifetime): New functions.
2453         * df.c: Deleted file.
2454         * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
2455         consistent with new df api.
2456         * modulo-sched.c (sms_schedule, rest_of_handle_sms,
2457         rest_of_handle_sms): Ditto.
2458         * web.c (unionfind_union, union_defs, entry_register, web_main):
2459         Ditto.
2460         * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
2461         invariant_expr_equal_p, find_defs, check_dependencies,
2462         find_invariant_insn, find_invariants_to_move, move_invariant_reg,
2463         free_inv_motion_data, move_loop_invariants): Ditto.
2464         * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
2465         Update dependencies.
2466         (odf.c): Added defective entry that was deleted later in day.
2467         * sched-deps.c (sched_analyze_1): Ditto.
2468
2469 2006-01-11  Zdenek Dvorak <dvorakz@suse.cz>
2470
2471         * tree-ssa-operands.c (get_expr_operands): Record addressable
2472         variables directly.  Do not call add_stmt_operands for CONST_DECLs
2473         and ARRAY_DECLs.
2474         (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
2475         (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
2476
2477 2006-01-11  Ben Elliston  <bje@au.ibm.com>
2478
2479         * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
2480         function returns true in the positive case.
2481
2482 2006-01-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2483
2484         PR target/20754
2485         * config/pa/pa.md: Create separate 32 and 64-bit move patterns
2486         for SI, DI, SF and DF modes.  Add alternatives to copy between
2487         general and floating point registers to the 32-bit patterns.
2488         * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
2489         * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
2490         (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
2491         generating 64-bit code.
2492         * config/pa/pa.c (output_move_double): Handle copies between general
2493         and floating registers.
2494
2495 2006-01-10  Stuart Hastings  <stuart@apple.com>
2496
2497         * config/i386/i386.md (set_got): Update.
2498         (set_got_labelled): New.  (UNSPEC_LD_MPIC): New.
2499         (builtin_setjmp_receiver): Mach-O support.
2500         * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
2501         (GOT_SYMBOL_NAME): Define.
2502         (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
2503         (TARGET_DEEP_BRANCH_PREDICTION): Remove.
2504         * config/i386/i386.c (override_options): Revise for Darwin.
2505         (USE_HIDDEN_LINKONCE): Enable for Mach-O.  (ix86_file_end): Mach-O
2506         support.  (darwin_x86_file_end): New.  (output_set_got): Add label
2507         parameter, revise for Mach-O.  (x86_output_mi_thunk): Likewise.
2508         * config/i386/i386-protos.h (output_set_got): Likewise.
2509         * config/darwin.c (machopic_legitimize_pic_address): Update
2510         regs_ever_live[].
2511
2512 2006-01-10  Kaz Kojima  <kkojima@gcc.gnu.org>
2513
2514         * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
2515         when MODE isn't BLKmode.
2516
2517 2006-01-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
2518
2519         PR rtl-optimization/25367
2520         * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
2521
2522 2006-01-10  Hans-Peter Nilsson  <hp@axis.com>
2523
2524         PR target/25718
2525         * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
2526         for a negative bound.
2527
2528 2006-01-10  Richard Guenther  <rguenther@suse.de>
2529
2530         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2531         Never override with anything constraint.
2532
2533 2006-01-10  Jan Beulich  <jbeulich@novell.com>
2534
2535         * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
2536         256 bits when optimize_size.
2537
2538 2006-01-10  Jan Beulich  <jbeulich@novell.com>
2539
2540         * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
2541         MASK_ALIGN_DOUBLE.
2542         * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
2543         * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
2544         arguments.
2545
2546 2006-01-10  Ben Elliston  <bje@au.ibm.com>
2547
2548         * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
2549         float modes.
2550         * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
2551         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2552         (USE_FP_FOR_ARG): Reject decimal float modes.
2553         (function_arg_advance): Likewise.
2554         (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
2555         (rs6000_handle_altivec_attribute): Do not permit decimal floating
2556         point types in AltiVec vectors.
2557         (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
2558         (rs6000_libcall_value): Likewise.
2559
2560 2006-01-09  Bob Wilson  <bob.wilson@acm.org>
2561
2562         * config/xtensa/ieee754-df.S: New file.
2563         * config/xtensa/ieee754-sf.S: New file.
2564         * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
2565         (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
2566         * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
2567
2568 2006-01-09  Kazu Hirata  <kazu@codesourcery.com>
2569
2570         * config/sh/predicates.md (binary_float_operator,
2571         binary_logical_operator, commutative_float_operator,
2572         equality_comparison_operator, greater_comparison_operator,
2573         less_comparison_operator, logical_operator,
2574         noncommutative_float_operator, shift_operator,
2575         symbol_ref_operand, unary_float_operator): Remove redundant
2576         conditionals.
2577
2578 2006-01-09  Jeff Law  <law@redhat.com>
2579
2580         * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
2581         code to propagate the RHS of a cast into COND_EXPR_COND.  Remove
2582         now unused arguments.  Callers updated.
2583         (eliminate_redundant_computations): Remove now unused arguments,
2584         callers updated.
2585         (local_fold): Remove, no longer used.
2586         (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
2587         and moved to...
2588         * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
2589         (simplify_cond): New function.
2590         (forward_propagate_into_cond): Call simplify_cond.
2591
2592 2006-01-09  Alexandre Oliva  <aoliva@redhat.com>
2593
2594         * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
2595         (*vec_extractv2di_1_sse): New.
2596
2597 2006-01-09  Ben Elliston  <bje@au.ibm.com>
2598
2599         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
2600
2601 2006-01-08  Richard Guenther  <rguenther@suse.de>
2602
2603         * tree-ssa-structalias.c (get_constraint_for): Remove
2604         anyoffset argument.
2605         (get_constraint_for_component_ref): Likewise.
2606         (do_deref): Likewise.
2607         (get_constraint_for): Likewise.
2608         (do_structure_copy): Likewise.
2609         (handle_ptr_arith): Likewise.
2610         (find_func_aliases): Likewise.  Remove unused need_anyoffset
2611         variable.
2612
2613 2006-01-08  J"orn Rennecke  <joern.rennecke@st.com>
2614             Kaz Kojima  <kkojima@gcc.gnu.org>
2615
2616         * config/sh/sh.h (CONST_OK_FOR_K16): Define.
2617         (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
2618         (EXTRA_CONSTRAINT_C16): Remove.
2619         (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
2620         (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
2621         EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
2622         * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
2623         constants of SHmedia.  Handle nested constant expressions of
2624         SHmedia correctly.
2625         (andcosts): Fix the costs for SHmedia constants.
2626         (sh_rtx_costs): Take account of outer_code for SHmedia constants.
2627         * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
2628         (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
2629         (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
2630         (movv4hi_i, movv2si_i): Likewise.
2631         (movsi_const): Adjust the second operand of ior so to match with
2632         the Csu constraint.
2633         (movdi_const, movdi_const_32bit): Likewise.
2634         (movdi_const_16bit+1): Don't sign-extend LOW.
2635         (movdi_const_16bit+2): Likewise.  Remove the zero_extend and truncate
2636         step.
2637         (*double_shori): Fix the split condition.  Use GEN_INT instead
2638         of get_int_mode calls.  Mask lower 16-bit of the argument of
2639         the last GEN_INT.
2640         (sym2GOTPLT): Remove.
2641         (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
2642         gen_rtx_UNSPEC.
2643         * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
2644         instead of EXTRA_CONSTRAINT_C16.
2645
2646 2006-01-07  Ian Lance Taylor  <ian@airs.com>
2647             David Edelsohn  <edelsohn@gnu.org>
2648
2649         PR rtl-optimization/25662
2650         * optabs.c (simplify_expand_binop): Use simplify_binary_operation
2651         for constant operands instead of simplify_gen_binary.
2652         * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
2653         after trying simplify_binary_operation
2654
2655 2006-01-06  Daniel Berlin  <dberlin@dberlin.org>
2656
2657         * tree.c (iterative_hash_expr): Hash decls based on UID.
2658
2659 2006-01-06  Eric Christopher  <echristo@apple.com>
2660
2661         * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
2662         (TARGET_UNWIND_EMIT): Fix spelling.
2663         * target.h (gcc_target): Add except_table_label.
2664         * except.c (output_function_exception_table): Use.
2665         * varasm.c (default_emit_except_table_label): New.
2666         * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
2667         define.
2668         (asm_out): Add here.
2669         * output.h (default_emit_except_table_label): Prototype.
2670         * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
2671         * config/darwin.c (darwin_emit_except_table_label): Define.
2672         * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
2673
2674 2006-01-06  Zdenek Dvorak <dvorakz@suse.cz>
2675
2676         PR tree-optimization/18527
2677         * tree-ssa-loop-niter.c (number_of_iterations_cond,
2678         number_of_iterations_special, number_of_iterations_exit):
2679         Move base and step of an iv to a single structure.  Add
2680         no_overflow flag, and use it in # of iterations analysis.
2681         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
2682         folded_casts argument.
2683         (simple_iv): Pass base and step in a structure.  Set no_overflow
2684         flag.
2685         (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
2686         Evaluate expensiveness of computing # of iterations instead of
2687         the final expression.
2688         * tree-scalar-evolution.h (affine_iv): New structure.
2689         (simple_iv): Declaration changed.
2690         * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
2691         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
2692         find_givs_in_stmt): Changed due to simple_iv change.
2693
2694 2006-01-06  Jeff Law  <law@redhat.com>
2695
2696         PR ada/24994
2697         * tree-cfg.c (bsi_replace): Rename final argument from
2698         PRESERVE_EH_INFO to UPDATE_EH_INFO.  Fix typo in last
2699         change (stmt -> orig_stmt).
2700         * tree-eh.c (verify_eh_throw_stmt_node): New function.
2701         (bsi_remove): Add new argument.  Remove EH information
2702         if requested.
2703         (verify_eh_throw_table_statements): New function.
2704         (bsi_remove): Add new argument REMOVE_EH_INFO.  All callers
2705         updated.
2706         * tree-optimize.c (execute_free_cfg_annotations): Verify
2707         the EH throw statement table after removing annotations.
2708         * except.h (verify_eh_throw_table_statements): Prototype.
2709         * tree-flow.h (bsi_remove): Update prototype.
2710         * tree-vrp.c (remove_range_assertions): Add new argument to
2711         bsi_remove call.
2712         * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
2713         * tree-complex.c (expand_complex_div_wide): Likewise.
2714         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
2715         * tree-tailcall.c (eliminate_tailcall): Likewise.
2716         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
2717         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
2718         * tree-nrv.c (tree_nrv): Likewise.
2719         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
2720         * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
2721         (combine_blocks): Likewise.
2722         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
2723         * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
2724         (cleanup_control_flow): Likewise.
2725         (remove_forwarder_block): Likewise.
2726         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
2727         * tree-sra.c (sra_replace): Likewise.
2728         * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
2729         (forward_propagate_single_use_vars): Likewise.
2730         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
2731         * tree-inline.c (expand_call_inline): Likewise.
2732         * tree-vect-transform.c (vect_transform_loop): Likewise.
2733         * tree-outof-ssa.c (rewrite_trees): Likewise.
2734         * tree-cfg.c (make_goto_expr_edges): Likewise.
2735         (cleanup_dead_labels): Likewise.
2736         (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
2737         (bsi_move_before, bsi_move_after): Likewise.
2738         (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
2739         (tree_redirect_edge_and_branch, tree_split_block): Likewise.
2740
2741 2006-01-06  Andrew Pinski  <pinskia@physics.uc.edu>
2742
2743         PR tree-opt/25528
2744         * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
2745         and IMAGPART_EXPR.
2746         * tree-flow-inline.h (var_can_have_subvars): Handle complex types
2747         on non gimple variables.  Also add checks at the top for decls and
2748         mtags.
2749         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
2750         complex types.
2751         * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
2752         and IMAGPART_EXPR for creating MUST_DEFs.
2753         (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
2754         and NAME_MEMORY_TAG separately from the DECLs.
2755
2756 2006-01-06  Richard Guenther  <rguenther@suse.de>
2757
2758         * tree-dfa.c (mark_new_vars_to_rename): Create stmt
2759         annotation, if necessary.
2760         * tree-ssa-pre.c (create_expression_by_pieces): Remove
2761         redundant calls to update_stmt.
2762         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
2763         Likewise.
2764
2765 2006-01-05  Richard Henderson  <rth@redhat.com>
2766
2767         * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
2768
2769 2006-01-05  Carlos O'Donell  <carlos@codesourcery.com>
2770
2771         * c-typeck.c: Update copyright date.
2772
2773 2006-01-05  Carlos O'Donell  <carlos@codesourcery.com>
2774
2775         * c-typeck.c (build_c_cast): Always warn when casting
2776         from a pointer to an integer of different size, even if
2777         the node was constant.
2778
2779 2006-01-05  Richard Guenther  <rguenther@suse.de>
2780
2781         PR tree-optimization/22555
2782         * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
2783         if one structure field is an array.
2784         * tree-ssa-operands.c (get_expr_operands): Continue scanning
2785         operands even if we found a subvar, but ignore VOPs in this
2786         case.
2787         * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
2788         for renaming.
2789         * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
2790
2791 2006-01-05  Richard Earnshaw  <rearnsha@arm.com>
2792
2793         PR middle-end/24998
2794         * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
2795
2796 2006-01-05  Richard Guenther  <rguenther@suse.de>
2797             Diego Novillo  <dnovillo@redhat.com>
2798
2799         * tree-pass.h (TODO_remove_unused_locals): Define.
2800         * gimple-low.c (expand_var_p, remove_useless_vars,
2801         pass_remove_useless_vars): Remove.  Update all users.
2802         * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
2803         (remove_unused_locals): New function.
2804         * tree-flow.h (remove_unused_locals): Declare.
2805         * passes.c (execute_todo): Call remove_unused_locals if
2806         TODO_remove_unused_locals is set.
2807         * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
2808         * tree-ssa-dce.c (pass_dce): Likewise.
2809         * tree-outof-ssa.c (pass_del_ssa): Likewise.
2810
2811 2006-01-05  Richard Guenther  <rguenther@suse.de>
2812
2813         * tree-flow.h (struct fieldoff): Decompose field to
2814         type, size and decl.
2815         * tree-ssa-alias.c (create_sft): Take type as parameter.
2816         (create_overlap_variables_for): Store type, size and decl
2817         in the fieldoff structure.
2818         * tree-ssa-structalias.c (fieldoff_compare): Adjust users
2819         of struct fieldoff.
2820         (push_fields_onto_fieldstack): Likewise.
2821         (create_variable_info_for): Likewise.  Use offset for the
2822         SFT name if the decl is not available.
2823
2824 2006-01-04  Paul Brook  <paul@codesourcery.com>
2825
2826         * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
2827
2828 2006-01-04  Daniel Berlin  <dberlin@dberlin.org>
2829
2830         * lambda-code.c (can_put_in_inner_loop): Relax
2831         restrictions.
2832         (can_put_after_inner_loop): New function.
2833         (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
2834         (perfect_nestify): Change to make copies and modify uses.
2835
2836 2006-01-04  Richard Henderson  <rth@redhat.com>
2837
2838         Merge from gomp branch:
2839         * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
2840         via integer constant.
2841         (pragma_lex): Remove.
2842         * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
2843         rather than parsing it.
2844         * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
2845         handle_pragma_extern_prefix): Add %< %> quotes.
2846         (registered_pragmas): New.
2847         (c_register_pragma_1): New.
2848         (c_register_pragma): Use it.
2849         (c_register_pragma_with_expansion): Likewise.
2850         (c_invoke_pragma_handler): New.
2851         (init_pragma): Use cpp_register_deferred_pragma directly for
2852         pch_preprocess.
2853         * c-pragma.h (enum pragma_kind): New.
2854         (pragma_handler): New.
2855         (c_invoke_pragma_handler): Declare.
2856         * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
2857         CPP_PRAGMA_EOL.
2858         * c-common.h (c_common_pch_pragma): Update decl.
2859         * Makefile.in (c-parser.o): Update dependencies.
2860         (GTFILES): Add c-pragma.h.
2861         * c-parser.c (struct c_token): Add pragma_kind.
2862         (struct c_parser): Add in_pragma.
2863         (c_lex_one_token): Always initialize keyword and pragma_kind.
2864         Extract data for CPP_PRAGMA.
2865         (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
2866         (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
2867         Don't allow CPP_PRAGMA_EOL if in_pragma.
2868         (c_parser_consume_pragma): New.
2869         (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
2870         (c_parser_skip_to_end_of_parameter): Likewise.
2871         (c_parser_skip_to_end_of_block_or_statement): Likewise.
2872         (c_parser_skip_to_pragma_eol): New.
2873         (c_parser_external_declaration): Handle CPP_PRAGMA.
2874         (c_parser_compound_statement_nostart): Likewise.
2875         (c_parser_statement_after_labels): Likewise.
2876         (c_parser_pragma): New.
2877         (pragma_lex): Likewise.
2878         (c_parser_pragma_pch_preprocess): New.
2879         (c_parser_new): Merge into ...
2880         (c_parse_file): ... here.  Call c_parser_pragma_pch_preprocess.
2881
2882 2006-01-04  Jeff Law  <law@redhat.com>
2883
2884         PR ada/24994
2885         * tree-cfg.c (bsi_replace): Remove the original statement
2886         from the EH throw statement table.
2887
2888 2006-01-04  Jakub Jelinek  <jakub@redhat.com>
2889
2890         * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
2891         make the prototype extern "C" and add throw ().
2892
2893         PR target/25554
2894         * config/i386/i386.md (testqi_ext_3): Ensure len is positive
2895         and pos non-negative and pos + len <= 32.
2896         (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
2897         drop pos + len < HOST_BITS_PER_WIDE_INT test.
2898         (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
2899
2900         PR c/25559
2901         * c-common.c (handle_vector_size_attribute): Reject zero vector size
2902         as well as sizes not multiple of component size.
2903
2904         PR debug/25562
2905         * function.c (instantiate_expr): New function.
2906         (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
2907         walk its DECL_VALUE_EXPR with instantiate_expr.
2908
2909         * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
2910         DW_OP_deref{,_size} if address isn't going to be added.
2911
2912 2006-01-04  Ben Elliston  <bje@au.ibm.com>
2913
2914         * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
2915         * config/fp-bit.c: Likewise.
2916
2917 2006-01-03  Daniel Berlin  <dberlin@dberlin.org>
2918
2919         * dominance.c: Add comment about why we use DFS numbering
2920         of dominance tree.
2921
2922 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
2923             Richard Henderson  <rth@redhat.com>
2924
2925         Merge from gomp-branch:
2926         * varasm.c (assemble_variable): Handle thread-local COMMON data.
2927         * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
2928
2929 2006-01-03  Paolo Bonzini  <bonzini@gnu.org>
2930
2931         PR rtl-optimization/25578
2932         * combine.c (combine_simplify_rtx, force_to_mode): Don't
2933         pass a parameter to simplify_shift_const if changing ASHIFTRT
2934         to LSHIFTRT.
2935
2936 2006-01-03  Adrian Straetling  <straetling@de.ibm.com>
2937
2938         * builtins.c (get_builtin_sync_mem): New function.
2939         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
2940         expand_builtin_lock_test_and_set, expand_builtin_lock_release):
2941         Call get_builtin_sync_mem to generate mem rtx.
2942
2943 2006-01-03  Richard Guenther  <rguenther@suse.de>
2944
2945         PR c/25183
2946         * stmt.c (add_case_node): Make sure to clear overflow flags
2947         from ranges.
2948
2949 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
2950
2951         Merge from gomp-branch.
2952         * config/sparc/sync.md: New file.
2953         * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
2954         UNSPECV_LDSTUB): New constants.
2955         * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
2956         * config/sparc/predicates.md (memory_reg_operand): New predicate.
2957         * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
2958         prototype.
2959
2960 2006-01-03  Roger Sayle  <roger@eyesopen.com>
2961
2962         * combine.c (reg_subword_p): New predicate to test whether the
2963         destination of a set refers to a subword/piece of a register.
2964         (try_combine): Generalize the code to merge the setting of a
2965         pseudo to a constant followed by a set of a subword of that
2966         register to a constant.
2967
2968 2006-01-03  Kazu Hirata  <kazu@codesourcery.com>
2969
2970         * basic-block.h (control_flow_graph): Change the type of
2971         x_label_to_block_map to VEC(basic_block,gc) *.
2972         * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
2973         set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
2974
2975         * tree-ssa-propagate.c (cfg_blocks): Change the type to
2976         VEC(basic_block,heap) *.
2977         (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
2978         ssa_prop_fini): Adjust the uses of cfg_blocks.
2979
2980 2006-01-03  Steven Bosscher  <stevenb.gcc@gmail.com>
2981
2982         * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
2983         COMPONENT_REFs.
2984         * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
2985         hashing trees instead of a pointer hash.
2986         (mem_attrs_htab_eq): Do a deep compare instead of a pointer
2987         compare for MEM_EXPR.
2988
2989         PR rtl-optimization/25130
2990         * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
2991         when comparing MEMs for GCSE
2992
2993 2006-01-03  Ben Elliston  <bje@au.ibm.com>
2994
2995         * targhooks.h (default_decimal_float_supported_p): Declare.
2996         * targhooks.c (default_decimal_float_supported_p): Define.
2997         * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
2998         `default_decimal_float_supported_p'.
2999         * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
3000
3001 2006-01-02  Adam Nemet  <anemet@caviumnetworks.com>
3002
3003         * combine.c (apply_distributive_law <SUBREG>): Check
3004         TRULY_NOOP_TRUNCATION.
3005
3006 2006-01-02  Geoffrey Keating  <geoffk@apple.com>
3007
3008         * dwarf2out.c (have_switched_text_section): Delete.
3009         (have_multiple_function_sections): New.
3010         (have_location_lists): Make 'bool'.
3011         (add_AT_loc_list): Use 'true' not '1'.
3012         (dwarf2out_switch_text_section): Set have_multiple_function_sections.
3013         (output_loc_list): Use have_multiple_function_sections.
3014         (output_ranges): Likewise.
3015         (dwarf2out_begin_function): Set have_multiple_function_sections if
3016         necessary.
3017         (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
3018         Check function_section rather than DECL_SECTION_NAME.
3019         (dwarf2out_finish): Use have_multiple_function_sections.
3020         Don't clear have_location_lists.
3021
3022 2006-01-02  Eric Botcazou  <ebotcazou@adacore.com>
3023             Jan Hubicka  <jh@suse.cz>
3024
3025         * cfglayout.c (fixup_reorder_chain): Remove kludge for the
3026         case of conditional jump jumping to the next instruction.
3027         * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
3028         cases of conditional jump jumping to the next instruction.
3029
3030 2006-01-02  Jan Hubicka  <jh@suse.cz>
3031
3032         * i386.c (*_cost): Add COSTS_N_INSNS.
3033         (ix86_rtx_costs): Do not use COSTS_N_INSNS.
3034
3035 2006-01-02  Paolo Bonzini  <bonzini@gnu.org>
3036
3037         PR target/25259
3038         * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
3039
3040 2006-01-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3041
3042         * config/arm/arm.c (all_fpus): Fix comment typo.
3043         * config/darwin.c: Likewise.
3044         * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
3045         * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
3046         * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
3047
3048 2006-01-01  David Edelsohn  <edelsohn@gnu.org>
3049
3050         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
3051         (rs6000_split_compare_and_swapqhi): New.
3052         * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
3053         (sync_compare_and_swapqhi_internal): New.
3054         * config/rs6000/rs6000-protos.h: Declare.