OSDN Git Service

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