OSDN Git Service

PR other/24829
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2006-01-26 Alexandre Oliva  <aoliva@redhat.com>
2
3         PR other/24829
4         PR target/24831
5         * gthr-dce.h: Do not gthrw-ify pthread_once_init,
6         pthread_key_delete.  From John David Anglin.  gthrw-ify
7         pthread_getunique_np only if it it's not a macro.  Delete
8         UNUSED macro.
9         (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10         __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
11         __gthread_objc_condition_signal, __gthread_key_delete): Add
12         "__attribute__ ((__unused__))" to unused arguments.
13         (__gthread_recursive_mutex_init_function): Add missing return.
14         * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
15         gthr-posix95.h: Use macro-based approach for name redirection
16         on targets missing weakref.
17
18 2006-01-26  Zack Weinberg  <zackw@panix.com>
19
20         * genconditions.c (write_header): In generated code, #ifdef out
21         all includes and fake declarations, except includes of bconfig.h
22         and system.h, unless GCC_VERSION >= 3001.  Do not include
23         gensupport.h in any case.
24         (write_conditions): Generate a definition of struct c_test.  Add
25         a comment to the generated #endif.
26         (write_one_condition): Escape backslashes in string too.
27         (write_writer): Generated code must escape backslashes and quote
28         marks (but not newlines) in the strings it writes.
29         * Makefile.in (build/gencondmd.o): Update dependencies.
30
31 2006-01-26  Steve Ellcey  <sje@cup.hp.com>
32
33         PR target/25961
34         * Makefile.in (insn-automata.o): Add header file dependencies.
35         * genautomata.c: Add includes.
36
37 2006-01-26  Steve Ellcey  <sje@cup.hp.com>
38
39         PR target/25961
40         * Makefile.in (insn-automata.o): Add -Wno-error flag.
41
42 2006-01-26  Paolo Bonzini  <bonzini@gnu.org>
43
44         * configure.ac: Expect target tools paths to be passed from the toplevel
45         and wrap the detection into AS_SET_VAR_IF.  Extract side-effects out of
46         AS_SET_VAR_IF.
47         * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
48
49 2006-01-26  Alexandre Oliva  <aoliva@redhat.com>
50
51         PR c/25892
52         * c.opt (Wpointer-sign): Init to -1.
53         * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
54         OPT_pedantic, to 0 otherwise.
55         * doc/invoke.texi: Update.
56
57 2006-01-26  Paolo Bonzini  <bonzini@gnu.org>
58
59         * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
60         constants provided by 80387 instructions in the destination mode.
61
62 2006-01-26  Richard Guenther  <rguenther@suse.de>
63             Andrew Pinski  <pinskia@physics.uc.edu>
64
65         PR tree-opt/21470
66         partial PR tree-opt/17064
67         * tree-ssa-structalias.c (intra_create_variable_infos):
68         Create heap variables for incoming parameters if
69         flag_argument_noalias > 1.
70         (find_what_p_points_to): Look through default defs of
71         parameter decls.
72
73 2006-01-26  Jeff Law  <law@redhat.com>
74
75         PR ada/25900
76         * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
77         with a VR_ANTI_RANGE and the VR_ANTI_RANGEis completely contained
78         within the VR_RANGE, use the VR_RANGE as the result, not the
79         VR_ANTI_RANGE.
80         (adjust_range_with_scev): Reject ranges from SCEV which are out
81         of bounds for the type.
82
83 2006-01-26  Daniel Berlin  <dberlin@dberlin.org>
84
85         * tree-ssa-alias.c (maybe_create_global_var): Change
86         subvar walking to an assertion that we don't have subvar'd variables.
87
88 2006-01-26  Andrew Pinski  <pinskia@physics.uc.edu>
89
90         PR C/25861
91         * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
92         Use a new variable, inner.  PARM_DECLs are always non-weak.
93
94 2006-01-26  Shantonu Sen  <ssen@opendarwin.org>
95
96         * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
97         --disable-checking.
98
99 2006-01-26  Adam Nemet  <anemet@caviumnetworks.com>
100
101         * config/mips/mips.md (*clear_upper32): New combiner pattern.
102
103 2006-01-26  Richard Earnshaw  <richard.earnshaw@arm.com>
104
105         * arm.md (smaxsi3, sminsi3): Convert to define_expand.
106         (smax_insn, smin_insn, smax_0, smin_0): New.
107
108 2006-01-26  Hans-Peter Nilsson  <hp@axis.com>
109
110         PR target/25947
111         * config/cris/cris.c (cris_order_for_addsi3): New function.
112         * config/cris/cris-protos.h: Prototype it.
113         * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
114         (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
115         (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
116         (split for "op.S1 [rx=rx+i],ry (swapped)")
117         (split for "op(s|u).S1 [rx=rx+i],ry")
118         (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
119         Apply cris_order_for_addsi3 when generating addsi3 insns.
120
121 2006-01-25  Diego Novillo  <dnovillo@redhat.com>
122
123         * tree.h (TREE_RANGE_CHECK): Fix range predicate.
124         (TREE_BLOCK): Add call to EXPR_CHECK.
125
126 2006-01-25  Diego Novillo  <dnovillo@redhat.com>
127
128         PR 25886
129         * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
130         * tree-pretty-print.c (dump_omp_clause): Extract from ...
131         (dump_omp_clauses): ... here.
132         (dump_generic_node): Handle OMP_CLAUSE.
133         * tree.c (omp_clause_num_ops): New.
134         (omp_clause_code_name): New.
135         (tree_code_size): Handle OMP_CLAUSE.
136         (tree_size): Likewise.
137         (make_node): Document handling of OMP_CLAUSE.
138         (tree_node_structure): Handle OMP_CLAUSE.
139         (omp_clause_check_failed): New.
140         (omp_clause_range_check_failed): New.
141         (omp_clause_operand_check_failed): New.
142         (build_omp_clause): New.
143         (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
144         * tree.h (enum omp_clause_code): Declare.
145         (OMP_CLAUSE_SUBCODE_CHECK): Define.
146         (OMP_CLAUSE_RANGE_CHECK): Define.
147         (OMP_CLAUSE_ELT_CHECK): Define.
148         (omp_clause_check_failed): Declare.
149         (omp_clause_operand_check_failed): Declare.
150         (omp_clause_range_check_failed): Declare.
151         (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
152         (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
153         (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
154         (OMP_CLAUSE_LASTPRIVATE): Likewise.
155         (OMP_CLAUSE_IF_EXPR): Likewise.
156         (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
157         (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
158         (OMP_CLAUSE_REDUCTION_CODE): Likewise.
159         (OMP_CLAUSE_REDUCTION_INIT): Likewise.
160         (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
161         (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
162         Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
163         (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
164         (OMP_CLAUSE_DEFAULT_KIND): Likewise.
165         (OMP_CLAUSE_CODE): Define.
166         (OMP_CLAUSE_SET_CODE): Define.
167         (OMP_CLAUSE_CODE): Define.
168         (OMP_CLAUSE_OPERAND): Define.
169         (struct tree_omp_clause): Declare.
170         (union tree_node): Add field 'omp_clause'.
171         * treestruct.def (TS_OMP_CLAUSE): Define.
172         * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
173         OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
174         OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
175         OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
176         OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
177         OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
178         (OMP_CLAUSE): Define.
179         * print-tree.c (print_node): Handle OMP_CLAUSE.
180         * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
181         * c-typeck.c: Likewise.
182         * gimplify.c: Likewise.
183         * c-omp.c: Likewise.
184         * tree-nested.c: Likewise.
185         * tree-inline.c: Likewise.
186         * c-parser.c: Likewise.
187         * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
188         clauses.
189
190 2006-01-25  Roger Sayle  <roger@eyesopen.com>
191
192         PR rtl-optimization/25703
193         * combine.c (try_combine): Handle zero_extract and strict_low_part
194         of non-lowpart SUBREGs for constant reg_subword_p set optimization.
195
196 2006-01-25  Peter Bergner  <bergner@vnet.ibm.com>
197
198         * global.c: Fix comment typos.
199
200 2006-01-25  Andrew Pinski  <pinskia@physics.uc.edu>
201
202         PR target/25758
203         * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
204         Use output_addr_const instead of assemble_name.
205
206 2006-01-25  Paolo Bonzini  <bonzini@gnu.org>
207
208         * Makefile.in (sched-vis.o): Update dependencies.
209         * haifa-sched.c (sched_finish): Clear current_sched_info.
210         * cfg.c (dump_bb_info): New, split from dump_flow_info.
211         (dump_flow_info): Call it.
212         * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
213         a slim RTL dump.
214         * basic-block.h (dump_bb_info): Declare.
215         * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
216         option, and apply options only for dump files whose TDF_RTL,
217         TDF_TREE, or TDF_IPA bits match.
218         * rtl.h: Declare new functions exported from sched-vis.c.
219         * sched-vis.c: Enable also if scheduling is not used.
220         (print_value): Print the mode of registers if not inside scheduling.
221         (print_insn): Make it work outside the scheduler.  Beautify the output
222         a bit.
223         (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
224
225 2006-01-25  Richard Sandiford  <richard@codesourcery.com>
226
227         * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
228         * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
229         a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
230         depending on the value of CONSTANT_POOL_ADDRESS_P.
231         * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
232         SYMBOL_REF_DECL.
233         * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
234         rather than SYMBOL_REF_DECL.
235         (rtx_constant_pool): Remove const_rtx_sym_htab.
236         (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
237         (init_varasm_status): Don't initialize const_rtx_sym_htab.
238         (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
239         Remove handling of const_rtx_sym_htab.
240         (find_pool_constant): Delete.
241         (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
242         rather than find_pool_constant.
243         (get_pool_constant_for_function): Delete.
244         (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
245         find_pool_constant.
246         * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
247         (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
248         (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
249         (SYMBOL_REF_CONSTANT): New macro.
250         (get_pool_constant_for_function): Delete.
251         * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
252         rather than SYMBOL_REF_DECL.
253         (i386_pe_mark_dllimport): Likewise.
254         * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
255         rather than SYMBOL_REF_DECL.
256         * config/darwin.c (machopic_indirect_data_reference): Likewise.
257         (machopic_indirect_call_target): Likewise.
258
259 2006-01-25  Eric Botcazou  <ebotcazou@adacore.com>
260
261         * flow.c (delete_noop_moves): Add missing EOL to dump message.
262
263 2006-01-25  Richard Sandiford  <richard@codesourcery.com>
264
265         * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
266
267 2006-01-25  Kaz Kojima  <kkojima@gcc.gnu.org>
268
269         * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
270
271 2006-01-24  David Daney  <ddaney@avtrex.com>
272
273         PR java/25816
274         * configure.ac (enable_tls): New enable option.
275         (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
276         * configure: Regenerate.
277         * doc/install.texi (--enable-tls): Document new option.
278         (--disable-tls): Ditto.
279
280 2006-01-24  Richard Henderson  <rth@redehat.com>
281
282         * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
283         * alias.c (true_dependence): Respect it.
284         (canon_true_dependence, write_dependence_p): Likewise.
285         * builtins.c (get_builtin_sync_mem): Set it.
286
287 2006-01-25  Zdenek Dvorak <dvorakz@suse.cz>
288
289         * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
290         efficient way.
291
292 2006-01-24  DJ Delorie  <dj@redhat.com>
293
294         * expmed.c (store_bit_field): Don't arbitrarily deny using insv
295         for storing constants in single-bit bitfields.
296
297 2006-01-25  Ben Elliston  <bje@au.ibm.com>
298
299         * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
300
301 2006-01-24  Andrew Pinski  <pinskia@physics.uc.edu>
302
303         PR tree-opt/25860
304         * tree-ssa-pre.c (phi_translate): Return NULL
305         for AGGREGATE_TYPE's.
306
307 2006-01-24  Zack Weinberg  <zackw@panix.com>
308
309         * genautomata.c (process_state_for_insn_equiv_partition):
310         Use xcalloc for insn_arcs_array.
311         * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
312         (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
313
314 2006-01-24  Richard Henderson  <rth@redhat.com>
315
316         * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
317         update all callers.
318
319 2006-01-23  Paolo Bonzini  <bonzini@gnu.org>
320
321         PR rtl-optimization/25890
322         PR rtl-optimization/25905
323         * combine.c (expand_compound_operation, expand_field_assignment):
324         Fail if the bitfield's final position is out of bounds.
325
326 2006-01-24  Ian Lance Taylor  <ian@airs.com>
327
328         PR middle-end/25930
329         * cgraphunit.c (cgraph_output_in_order): Don't clear
330         cgraph_asm_nodes until after asm strings have been output.
331
332 2006-01-23  Adam Nemet  <anemet@caviumnetworks.com>
333
334         * fix-header.c (read_scan_file): Add new parameter imultilib when
335         calling register_include_chains.
336
337 2006-01-23  Diego Novillo  <dnovillo@redhat.com>
338
339         * omp-low.c: Update documentation.
340
341 2006-01-23  Andrew Pinski  <pinskia@physics.uc.edu>
342             Daniel Berlin  <dberlin@dberlin.org>
343
344         PR tree-opt/25315
345         PR tree-opt/25857
346         * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
347         return from the function.
348
349 2006-01-22  Zack Weinberg  <zackw@panix.com>
350
351         * rtl.def (match_code): Add second argument.
352         * genpreds.c (write_extract_subexp): New function.
353         (write_match_code): Add path argument.  Use write_extract_subexp.
354         (write_predicate_expr): Pass path to write_match_code.
355         (mark_mode_tests): MATCH_CODE applied to a subexpression does
356         not perform a mode test.
357         * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
358         a subexpression does not constrain the top-level code set.
359         * read-rtl.c (read_rtx_variadic): New function.
360         (read_rtx_1): Use it; allow AND and IOR to be variadic.
361         * doc/md.texi: Document new notation.
362         * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
363         (cmpsi_operand): ... here, using new notation.
364
365 2006-01-22  Zack Weinberg  <zackw@panix.com>
366
367         * varray.c: Remove GENERATOR_FILE #ifdefs.
368
369 2006-01-22  Zack Weinberg  <zackw@panix.com>
370
371         * genautomata.c (output_reserved_units_table): Emit nothing if
372         description->query_units_num is zero.  Remove extra blank line.
373         (output_cpu_unit_reservation_p): Short circuit
374         if description->query_units_num is zero.
375
376 2006-01-22  Zack Weinberg  <zackw@panix.com>
377
378         * genattrtab.c: Don't include genattrtab.h.  Define ATTR_NONE
379         and ATTR_SPECIAL (from genattrtab.h).  Don't define num_dfa_decls
380         nor any of the random handful of variables that used to be necessary
381         when this program was linked with rtlanal.o.  Prune set of forward
382         function declarations.
383         (struct attr_desc): Remove static_p field.
384         (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
385         (check_attr_test, make_internal_attr, make_numeric_value): Make static.
386         (attr_string): Do not read the character one past the length of
387         the string.
388         (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
389         (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
390         (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
391         (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
392         (make_automaton_attrs): New.
393         (main): Do not call into genautomata.  Call local gen_bypass
394         and gen_insn_reserv as appropriate.  Call make_automaton_attrs.
395         Remove special case for insn_alts.
396         * genautomata.c: Include gensupport.h; not genattrtab.h nor
397         varray.h (leftover from previous change).  Prune set of forward
398         function declarations.  Remove state_alts fields from all
399         structures.  Remove state_alts_table from struct automaton.
400         Make everything except main static.  Do not maintain num_dfa_decls.
401         Do not maintain state_alts fields of various structures.
402         (process_decls): Don't validate condexp for dm_insn_reserv decls.
403         (add_arc): Remove state_alts argument.  All callers updated.
404         (output_reserved_units_table): Emit #ifdef here...
405         (output_tables): ...not here.  Don't generate state_alts tables.
406         (expand_automata): Don't generate attributes.
407         (write_automata): Don't generate state_alts functions.
408         (main): New function.
409         (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
410         (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
411         (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
412         (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
413         (BYPASS_P_FUNC_NAME, output_state_alts_table)
414         (output_automata_list_state_alts_code, output_internal_state_alts_func)
415         (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
416         (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
417         Delete.
418         * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
419         * genattrtab.h: Delete file.
420         * Makefile.in (OBJS-common): Add insn-automata.o.
421         (insn-automata.o): New rule.
422         (simple_generated_c): Add insn-automata.c.
423         (build/genattrtab.o, build/genautomata.o): Update dependencies.
424         (genprogmd): Add automata.
425         (build/genattrtab): Needs no extra objects nor libraries.
426         (build/genautomata): Needs build/vec.o and -lm.
427
428 2006-01-22  Zack Weinberg  <zackw@panix.com>
429
430         * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
431         (output_dfa_max_issue_rate, locked_states_num): Delete.
432         (struct automaton): Add locked_states field.
433         (output_dead_lock_vect): Save number of locked states in
434         automaton->locked_states.  If it is zero, don't print anything.
435         (output_max_insn_queue_index_def): Define max_insn_queue_index const.
436         (output_internal_dead_lock_func): Only test the dead_lock_vect
437         for automata that have locked states.
438         (output_statistics): Always print the number of locked states for
439         each automaton.  Calculate total number of locked states here.
440         (write_automata): Don't call output_dfa_max_issue_rate.
441         * genattrtab.c: Define length_unit_log as a const variable.
442         * genattr.c: Don't emit MAX_DFA_ISSUE_RATE.  Declare
443         max_insn_queue_index const.
444         * final.c (length_unit_log): Declare const.
445         * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
446
447 2006-01-22  Zack Weinberg  <zackw@panix.com>
448
449         * genautomata.c:  Include vec.h, not varray.h.
450         Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
451         VLA_HWINT_ macros.  Change vla_hwint_t to a typedef for
452         VEC(vect_el_t,heap) *.  Convert all uses of VLA_* macros to
453         VEC_* macros operating on appropriately typed vectors, or to
454         malloced arrays when the size is known in advance.  Const-ify
455         many char* variables and function arguments.  No functional changes.
456         * Makefile.in (build/varray.o): Delete rule.
457         (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
458         (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
459
460 2006-01-22  Zack Weinberg  <zackw@panix.com>
461
462         * gensupport.c: Define get_insn_name and record_insn_name here.
463         (read_md_rtx): Call record_insn_name as appropriate.
464         * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
465         * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
466         * genpreds.c, genrecog.c: Don't define get_insn_name nor
467         record_insn_name.
468         * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
469         (BUILD_VARRAY): Delete.
470         (genprognormal): Rename genprogmd.  Fold in all programs from
471         genprognoprint; also attrtab.
472         (build/genattrtab): Just mention genautomata.o and varray.o.
473         Reorganize a bit, add comments to make the categories clearer.
474
475 2006-01-22  Zack Weinberg  <zackw@panix.com>
476
477         * genconditions.c (condition_table, add_condition): Delete.
478         (write_conditions): Don't emit n_insn_conditions nor
479         insn_elision_unavailable.  Issue the gcc version #ifdef here,
480         inside the table, with no #else clause ...
481         (write_header): ...not here.
482         (write_writer): New function.
483         (main): Don't initialize condition_table.  Use add_c_test.
484         Call write_writer.
485         * gensupport.c (init_md_reader_args_cb): Handle multiple input
486         files on the command line.
487         (maybe_eval_c_test): Don't check insn_elision_unavailable.
488         Return -1 if there is no entry in the table, don't abort.
489         (add_c_test, traverse_c_tests): New functions.
490         * gensupport.h (insn_elision_unavailable, insn_conditions)
491         (n_insn_conditions): Delete declarations.
492         (add_c_test, traverse_c_tests): Declare.
493         * read-rtl.c: Include gensupport.h.
494         (read_conditions): New function.
495         (read_rtx): If read_rtx_1 returns 0, treat as EOF.
496         (read_rtx_1): If we get EOF when we were looking for an initial
497         open paren, return 0.  Call read_conditions when appropriate.
498         * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
499         dummy-conditions.o.  Eliminate references to insn-conditions.o,
500         or change them to build/gencondmd.o, as appropriate.  Remove
501         insn-constants.h from $(simple_generated_h) and insn-conditions.c
502         from $(simple_generated_c).  For all files remaining in those
503         two lists, add insn-conditions.md to the generator command line.
504         Give insn-constants.h/s-constants their own rules.  Add rules
505         for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
506         (build/read-rtl.o): Depend on gensupport.h.
507         (genprognormal): Include preds.
508         (genprogearly): Rename genprognoprint; only difference is now that
509         they don't link with $(BUILD_PRINT).
510         * dummy-conditions.c: Delete.
511
512 2006-01-22  Zack Weinberg  <zackw@panix.com>
513
514         * genextract.c: Don't include insn-config.h.  Do include vec.h.
515         Declare vectors of int, char, and locstr.
516         (locstr): New typedef.
517         (struct extraction): Make all array fields into bare pointers.
518         (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
519         (insn_code_number): Delete.
520         (accum_extract): New struct.
521         (VEC_safe_set_locstr, VEC_char_to_string): New functions.
522         (gen_insn): Take insn_code_number as an argument.  Use an
523         accum_extract structure instead of loading data directly into
524         a struct extraction, and having to know how big it might get.
525         (walk_rtx): Operate entirely on an accum_extract structure.
526         (print_path): Avoid unnecessary use of printf.
527         (print_header): New function, split out of main.  Distinguish
528         more carefully between an unrecognizable insn and an insn that
529         has the code number of a define_expand.
530         (main): Pass insn_code_number to gen_insn.  Call print_header
531         only after parsing.  Avoid unnecessary use of printf.
532         * Makefile.in (build/vec.o): New rule.
533         (build/genextract): Depend on build/vec.o.
534         (build/genextract.o): Don't depend on insn-config.h.
535
536 2006-01-22  Zack Weinberg  <zackw@panix.com>
537
538         * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
539         $(RUN_GEN).  Use pattern rules to factor out as much boilerplate as
540         practical.  Eliminate per-generator-program link rules.
541
542 2006-01-23  Andrew Pinski  <pinskia@physics.uc.edu>
543
544         PR middle-end/24437
545         * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
546         with a call expr to ...
547         * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
548
549 2006-01-23  Richard Guenther  <rguenther@suse.de>
550
551         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
552         before make_edge with conditional EDGE_TRUE_VALUE.
553
554 2006-01-23  Steven Bosscher  <stevenb.gcc@gmail.com>
555         Jan Hubicka  <jh@suse.cz>
556         Richard Guenther  <rguenther@suse.de>
557
558         PR rtl-optimization/25654
559         * cfgexpand.c (aggregate_contains_union_type): New function.
560         (add_alias_set_conflicts): Call it.  Make sure to add conflicts
561         for structure variables that contain a union type.
562
563 2006-01-23  Richard Sandiford  <richard@codesourcery.com>
564
565         * gengtype.c (new_structure): Return the structure.
566         (create_option): Add an extra "next" argument.
567         (create_field): New function.
568         (adjust_field_rtx_def): Use create_option and create_field.
569         Remove a now-unnecessary call to find_structure.
570         (adjust_field_tree_def): Likewise.
571         (note_yacc_type): Remove an unnecessary call to find_structure.
572         * gengtype.h (new_structure): Return the structure.
573         (create_option): Add an extra argument.
574         * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
575         (option): Adjust calls to create_option.
576
577 2006-01-22  David Edelsohn  <edelsohn@gnu.org>
578
579         * config/rs6000/aix.h (STACK_BOUNDARY): Define.
580
581 2006-01-22  Paul Brook  <paul@codesourcery.com>
582         Peter Barada  <peter@the-baradas.com>
583
584         * config/m68k/m68k.md: Add Coldfire FPU support.
585         Define FP mode macro and associated attributes.
586         Use it for float mode patterns.
587         * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
588         (LIBCALL_VALUE): Use m68k_libcall_value.
589         * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
590         (m68k_function_value): Ditto.
591         (emit_move_sequence): Ditto.
592         * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
593         * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
594         * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
595         (MULTILIB_EXCEPTIONS): Ditto.
596         * config/m68k/m68k.opt: Add mcfv4e.
597         * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
598         (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
599         (m68k_output_function_prologue): Save ColdFire FPU registers.
600         (m68k_output_function_epilogue): Restore ColdFire FPU registers.
601         (force_mode, fp_reg_operand, emit_move_sequence): New functions.
602         (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
603         ColdFire FPU registers.
604         (m68k_libcall_value, m68k_function_value): New functions.
605         * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
606         (LIBCALL_VALUE): Use m68k_libcall_value.
607         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
608         (MASK_COLDFIRE): Add MASK_CFV4E.
609         (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
610         (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
611         (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
612         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
613         (GO_IF_LEGITIMATE_ADDRESS): Use it.
614         (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
615         * doc/invoke.tex: Document -mcfv4e on m68k.
616
617 2006-01-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
618
619         * doc/contribute.texi: Change CVS to SVN and update the corresponding
620         URL.
621
622 2006-01-21  Gabriel Dos Reis  <gdr@integrable-solutions.net>
623
624         PR c++/16190
625         * c-opts.c (c_common_handle_option): Don't include
626         -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
627         * doc/invoke.texi (C++ Dialect Options): Document that
628         -Wnon-virtual-dtor is no longer included in -Wall.
629
630 2006-01-21  Joseph S. Myers  <joseph@codesourcery.com>
631
632         * gcov.c (print_version), gcov-dump.c (print_version),
633         mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
634         dates.
635
636 2006-01-21  Kenneth Zadeck <zadeck@naturalbridge.com>
637
638         * df-scan.c (problem_SCAN): Added NULL reset function.
639         (df_scan_reset_blocks): Added code to call reset block function
640         (df_bb_refs_delete) Fixed comment.
641         (df_insn_refs_delete): Made tolerant of deleting non existent info
642         for dataflow problems that need to be reset.
643         * df-core.c (df_set_blocks): Ditto.
644         * df.h (struct df_problem): Added reset_fun.
645         * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
646         problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
647         (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
648         functions to clear out all references to def-use or use-def chains.
649
650 2006-01-21  Ben Elliston  <bje@au.ibm.com>
651
652         * varasm.c (assemble_real): Initialise data array.
653
654 2006-01-20  Paul Brook  <paul@codesourcery.com>
655
656         Merge from csl-arm-branch.
657         2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
658         * config/arm/arm.md (movdi): Force operands[1] to a register
659         if we have a non-register source.
660         (*arm_movdi, *movdf_soft_insn): Require that one of the
661         operands be a register.
662         * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
663         * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
664
665 2006-01-20  DJ Delorie  <dj@redhat.com>
666
667         * varasm.c (initialize_constant_valid_p): Allow pointers
668         initialized from integer constants of lesser precision.
669         (output_constant): Allow non-int-sized pointer modes to be
670         initialized from integer constants.
671
672 2006-01-20  Joseph S. Myers  <joseph@codesourcery.com>
673
674         PR libstdc++/25524
675         * cppdefault.h (struct default_include): Add multilib flag.
676         * cppdefault.c (cpp_include_defaults): Set it.
677         * c.opt (-imultilib): New option.
678         * c-opts.c (imultilib): New.
679         (c_common_handle_option): Handle -imultilib.
680         (c_common_post_options): Likewise.
681         * c-incpath.c (add_standard_paths, register_include_chains):
682         Likewise.
683         * c-incpath.h (register_include_chains): Add extra parameter.
684         * gcc.c (do_spec_1): Generate -imultilib option.
685         (The Specs Language): Update %I description.
686         (process_command): Update copyright notice.
687         * doc/cppopts.texi (-imultilib): Document.
688         * doc/invoke.texi (-imultilib): Include in option summary.
689         (%I): Update specs documentation.
690
691 2006-01-20  Zdenek Dvorak <dvorakz@suse.cz>
692
693         * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
694
695 2006-01-20  Richard Sandiford  <richard@codesourcery.com>
696
697         * stmt.c (case_bit_test_cmp): Stabilize the sort using code
698         label numbers.
699
700 2006-01-20  Richard Guenther  <rguenther@suse.de>
701         Steven Bosscher <stevenb.gcc@gmail.com>
702
703         PR rtl-optimization/24626
704         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
705         EDGE_TRUE_VALUE if in RTL mode.
706
707         Revert
708         2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
709         * cfgrtl.c (rtl_verify_flow_info_1): Fix.
710
711 2006-01-20  Dirk Mueller  <dmueller@suse.com>
712
713         PR c++/5520
714         * c-parser.c (c_parser_if_body): Use build_empty_stmt()
715         instead of a special NOP marker.
716         * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
717         NOP marker handling.
718         * c-common.h (empty_body_warning): Add forward declaration.
719         * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
720         Now uses IS_EMPTY_STMT() instead of special NOP markers.
721
722 2006-01-20  Paul Brook  <paul@codesourcery.com>
723
724         * Makefile.in (lang_checks): Keep going if mkdir fails.
725
726 2006-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
727
728         * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
729         be able to clean out basic block when not necessary.
730         (df_scan_free): Fixed to properly delete information if df is
731         unused before calling df_finish.
732         (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
733         df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
734         or comment typos.
735         (df_bb_refs_delete): New function.
736         (df_refs_delete): Moved per block code to df_bb_refs_delete.
737         * df-core.c (df_set_blocks): Added code to properly clean out
738         unused blocks if they are not part of the blocks to consider.
739         Added additional null check.
740         (df_compact_blocks): Added basic block parameter to free_bb_fun to
741         be able to clean out basic block when not necessary
742         * df.h (df_free_bb_function): Ditto.
743         (df_bb_refs_delete): New function.
744         * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
745         df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
746         basic block parameter to be able to clean out basic block when not
747         necessary.
748         (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
749         (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
750         Fixed to properly delete information if df is unused before
751         calling df_finish.
752
753 2006-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
754
755         PR rtl-optimization/25799
756         * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
757         Corrected confluence operator to remove bits from op2 before oring
758         with op1 rather than removing bits from op1.
759         (df_ru_transfer_function): Corrected test on wrong bitmap which
760         caused infinite loop.  Both of these problems were introduced in
761         the dataflow rewrite.
762
763 2006-01-19  DJ Delorie  <dj@redhat.com>
764
765         * reload1.c (find_reload_regs): Note the details of reload
766         failures in the dump file.
767         (spill_failure): Likewise.
768
769 2006-01-20  Zdenek Dvorak <dvorakz@suse.cz>
770
771         * loop-iv.c: Include df.h and hashtab.h.
772         (enum iv_grd_result): New enum.
773         (DF_REF_IV, DF_REF_IV_SET): New macros.
774         (struct biv_entry): New.
775         (df, bivs): New global variables.
776         (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
777         assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
778         Removed.
779         (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
780         iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
781         analyzed_for_bivness_p, record_biv): New functions.
782         (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
783         get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
784         iv_analyze, biv_p, iv_analysis_done): Work with df representation of
785         UD chains.
786         (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
787         analysed.
788         (iv_number_of_iterations): Use new interface to iv analysis.
789         * loop-unroll.c: Do not include varray.h.
790         (analyze_iv_to_split_insn): Use new interface to iv
791         analysis.
792         * loop-unswitch.c (may_unswitch_on): Ditto.
793         * df.c (df_bitmaps_free): Only work for bbs for that structures are
794         allocated.
795         (df_bb_modify): Realloc tables to the new index.
796         (df_find_use): New function.
797         * df.h (df_find_use): Declare.
798         * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
799         outmode.
800         * cfgloop.h (struct rtx_iv): Remove analysed field.
801         (iv_get_reaching_def): Removed.
802         (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
803         * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
804         (loop-iv.o): Add df.h and hashtab.h dependency.
805         * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
806
807 2006-01-20  Alan Modra  <amodra@bigpond.net.au>
808
809         * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
810         Double TFmode.
811         (__floatundisf, __floatundidf): Likewise.
812         * libgcc2.h (IS_IBM_EXTENDED): Define.
813
814 2006-01-19  DJ Delorie  <dj@redhat.com>
815
816         * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
817
818 2006-01-19  Paul Brook  <paul@codesourcery.com>
819
820         * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
821         as nothrow when unwinding tables are disabled.
822
823 2006-01-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
824
825         PR testsuite/25171
826         * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
827         of bit-field" when in system header.
828
829 2006-01-19  DJ Delorie  <dj@redhat.com>
830
831         * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
832         the 16 bit shift limit of the m16c.
833
834 2006-01-19  Andrew Pinski  <pinskia@physics.uc.edu>
835
836         PR target/22099
837         * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
838         * config/i386/i386.c (output_set_got): Output the label if we have one
839         for the TARGET_DEEP_BRANCH_PREDICTION case.
840
841 2006-01-19  Jan Hubicka  <jh@suse.cz>
842             H.J. Lu  <hongjiu.lu@intel.com>
843             Evandro Menezes <evandro.menezes@amd.com>
844
845         * invoke.texi (generic): Document
846         (i686) Update.
847         * config.gcc: Make x86_64-* and i686-* default to generic tunning.
848         * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
849         TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
850         (x86_use_incdec, x86_pad_returns): New variables
851         (TARGET_CPU_DEFAULT_generic): New constant
852         (TARGET_CPU_DEFAULT_NAMES): Add generic.
853         (enum processor_type): Add generic32 and generic64.
854         * i386.md (cpu attribute): Add generic32/generic64
855         (movhi splitter): Behave sanely when both partial_reg_dependency and
856         partial_reg_stall are set.
857         (K8 splitters): Enable for generic as well.
858         * predicates.md (incdec_operand): Use TARGET_INCDEC
859         (aligned_operand): Avoid memory mismatch stalls.
860         * athlon.md: Enable for generic64, new patterns for 128bit moves.
861         * ppro.md: Enable for generic32
862         * i386.c (generic64_cost, generic32_cost): New.
863         (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
864         (x86_use_leave): Enable for generic64.  (x86_use_sahf,
865         x86_ext_80387_constants): Enable for generic32.  (x86_push_memory,
866         x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
867         x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
868         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
869         x86_partial_reg_dependency, x86_memory_mismatch_stall,
870         x86_accumulate_outgoing_args, x86_prologue_using_move,
871         x86_epilogue_using_move, x86_arch_always_fancy_math_387,
872         x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
873         Enable for generic.
874         (x86_use_incdec, x86_pad_returns): New.
875         (override_options): Add generic32 and generic64, translate "generic"
876         to generic32/generic64 and "i686" to "generic32", refuse
877         "generic32"/"generic64" as arch target.
878         (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
879         (ix86_reorg): Honor PAD_RETURNS.
880
881 2006-01-19  Diego Novillo  <dnovillo@redhat.com>
882
883         * tree-pretty-print.c (dump_generic_node): Handle
884         OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
885         * cgraph.c (cgraph_expand_queue): Rename from
886         cgraph_analyze_queue.  Update all users.
887         * cgraphunit.c (cgraph_assemble_pending_functions): Process
888         cgraph_expand_queue.
889         (cgraph_expand_all_functions): Likewise.
890         (cgraph_finalize_pending_functions): Remove.  Update callers.
891
892         * tree.h (OMP_DIRECTIVE_P): Define.
893         (OMP_PARALLEL_FN): Define.
894         (OMP_PARALLEL_DATA_ARG): Define.
895         (OMP_SECTIONS_SECTIONS): Define.
896         * tree-pass.h (pass_expand_omp): Declare.
897         * omp-low.c (struct omp_region): Declare.
898         (struct omp_context): Remove fields 'parallel_type',
899         'parallel_start_ix' and 'parallel_start_additional_args'.
900         Update all users.
901         (struct omp_for_data): Rename from struct expand_omp_for_data.
902         (omp_regions): New static variable.
903         (root_omp_region): New static variable.
904         (find_omp_clause): Make static.
905         (is_in_combined_parallel_ctx): Remove.
906         (is_combined_parallel): New.
907         (extract_omp_for_data): Move earlier in the file.
908         (workshare_safe_to_combine_p): New.
909         (get_ws_args_for): New.
910         (determine_parallel_type): Move earlier in the file.
911         (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
912         child function.
913         (omp_copy_decl): Likewise.
914         (create_omp_child_function): Likewise.
915         (lookup_omp_region): New.
916         (dump_omp_region): New.
917         (debug_omp_region): New.
918         (debug_all_omp_regions): New.
919         (new_omp_region): New.
920         (scan_omp_parallel): If parallel_nesting_level > 1, the
921         directive is nested within another parallel directive.
922         Set OMP_PARALLEL_FN.
923         (scan_omp_for): Do not try to handle combined parallel+for
924         cases.
925         Remove FIXME comment.
926         (scan_omp_nested): Remove.
927         (scan_omp_1): Do not call scan_omp_nested when
928         parallel_nesting_level is > 1.
929         Do not change the DECL_CONTEXT of local variables found.
930         (lookup_decl_in_outer_ctx): New.
931         (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
932         (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
933         (lower_reduction_clauses): Rename from expand_reduction_clauses.
934         (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
935         If CTX is nested, lookup VAR in the outer context when
936         building copy assignment.
937         (lower_send_clauses): Rename from expand_send_clauses.
938         If CTX is nested, lookup VAR in the outer context when
939         building copy assignments.
940         (lower_send_shared_vars): Rename from expand_send_shared_vars.
941         If CTX is nested, lookup VAR in the outer context when
942         building copy assignments.
943         (expand_parallel_call): Rename from build_parallel_call.
944         Handle combined parallel+workshare cases.
945         Re-implement to emit code into the CFG.
946         (list2chain): New.
947         (expand_omp_parallel): Re-implement to emit code into the CFG.
948         Call move_sese_region_to_fn to outline the sub-graph
949         containing the parallel region.
950         (expand_omp_for_1): Remove.
951         (expand_omp_for_generic): Re-implement to emit code into the
952         CFG.
953         (expand_omp_for_static_nochunk): Likewise.
954         (expand_omp_for_static_chunk): Likewise.
955         (expand_omp_for): Likewise.
956         (expand_omp_sections): Likewise.
957         (remove_exit_barriers): New.
958         (expand_omp_synch): New.
959         (expand_omp): New.
960         (build_omp_regions_1): New.
961         (build_omp_regions): New.
962         (execute_expand_omp): New.
963         (gate_expand_omp): New.
964         (pass_expand_omp): Define.
965         (lower_omp_sections): Rename from expand_omp_sections.
966         Set OMP_SECTIONS_SECTIONS.
967         (lower_omp_single_simple): Rename from expand_omp_single_simple.
968         (lower_omp_single_copy): Rename from expand_omp_single_copy.
969         (lower_omp_single): Rename from expand_omp_simple.
970         (lower_omp_master): Rename from expand_omp_master.
971         (lower_omp_ordered): Rename from expand_omp_ordered.
972         (lower_omp_critical): Rename from expand_omp_critical.
973         (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
974         (lower_omp_for): Re-implement.
975         (lower_omp_parallel): Re-implement.
976         (lower_regimplify): Rename from expand_regimplify.
977         (lower_omp_1): Rename from expand_omp_1.
978         If there are syntax errors in the program, replace every
979         OpenMP directive with NOP.
980         Call lower_omp_* instead of expand_omp_*.
981         (lower_omp): Rename from expand_omp.
982
983         * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
984         * tree-gimple.h (enum omp_parallel_type): Remove.
985         (gimple_boolify): Declare extern.
986         (find_omp_clause, determine_parallel_type): Remove.
987
988         * gimple-low.c (lower_omp_directive): New.
989         (lower_stmt): Call it.
990         (record_vars_into): Move from ...
991         (record_vars): ... here.
992         Call record_vars_into with current_function_decl.
993
994         * gimplify.c (struct gimplify_ctx): Remove fields
995         combined_pre_p and combined_ctxp.  Update users.
996         (get_formal_tmp_var): Add documentation.
997         (gimple_boolify): Make extern.
998         (gimplify_expr_in_ctx): Remove.  Update callers.
999         (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
1000         will always be a BIND_EXPR.
1001         (gimplify_expr): Handle OMP_RETURN_EXPR.
1002         * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
1003         (OMP_PARALLEL): Add 3 operands.
1004         (OMP_SECTIONS): Add 1 operand.
1005         (OMP_RETURN_EXPR): Define.
1006
1007         * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
1008         (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
1009         * tree-iterator.c (alloc_stmt_list): Assert that we are not
1010         creating a circular free list.
1011         (free_stmt_list): Assert that we are not freeing stmt_list_cache.
1012
1013         * tree-flow.h (move_sese_region_to_fn): Declare.
1014         (record_vars_into): Declare.
1015         * tree-cfg.c (make_omp_sections_edges): New.
1016         (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
1017         OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
1018         OMP_SECTIONS and OMP_SECTION.
1019         (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
1020         (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
1021         (verify_stmt): Do not handle OMP_DIRECTIVE_P.
1022         (gather_blocks_in_sese_region): New.
1023         (struct move_stmt_d): Declare.
1024         (move_stmt_r): New.
1025         (move_block_to_fn): New.
1026         (move_sese_region_to_fn): New.
1027
1028         * passes.c (init_optimization_passes): Schedule
1029         pass_expand_omp after pass_init_datastructures.
1030
1031         * tree-ssa-operands.c (get_expr_operands): Handle
1032         OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
1033         OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
1034
1035 2006-01-19  Jeff Law  <law@redhat.com>
1036
1037         * tree-vrp.c (extract_range_from_assert): Refine the result range
1038         if the variable referenced by the ASSERT_EXPR has a range and
1039         either the tentative result range or the previous range is a
1040         VR_ANTI_RANGE.
1041
1042 2006-01-19  Richard Sandiford  <richard@codesourcery.com>
1043
1044         * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
1045
1046 2006-01-19  Jan Hubicka  <jh@suse.cz>
1047
1048         * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
1049
1050 2006-01-19  Paolo Bonzini  <bonzini@gnu.org>
1051
1052         * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
1053         (expand_compound_operation, expand_field_assignment): Fail if the
1054         bit lengths of an extract operation are out of range.
1055         (make_extraction): Compute wanted_inner_mode based on the position
1056         and length of the extraction.  Make it extraction_mode for non-constant
1057         positions, and do not modify offset in that case.  When generating a
1058         new MEM, use a mode that can hold the extraction while keeping correct
1059         alignment.  Remove code that supported MEMs wrapped by USEs.
1060         (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
1061
1062 2006-01-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1063
1064         * config/s390/s390.md ("Y", "y"): New mode attribute.
1065         ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
1066         "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
1067         "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
1068         "*addsi3_imm_cc", "*addsi3_carry1_cc",
1069         "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
1070         "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
1071         "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
1072         "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
1073         "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
1074         "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
1075         "addsi3", "subsi3"): Insn patterns removed.
1076         ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
1077         "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
1078         "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
1079         "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
1080         "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
1081         "*sub<mode>3_cconly2"): New insn patterns.
1082         ("addsi3", "subsi3"): New expanders.
1083
1084 2006-01-19  Dorit Nuzman  <dorit@il.ibm.com>
1085
1086         * Makefile.in (tree-vect-patterns.o): Add rule for new file.
1087         * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
1088         existing STMT_VINFO_VECTYPE if available.
1089         (vect_mark_relevant): Add special handling for stmts that are
1090         marked as STMT_VINFO_IN_PATTERN_P.
1091         (vect_analyze_loop): Call vect_pattern_recog.
1092         * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
1093         * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
1094         stmt_info.
1095         (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
1096         (vect_recog_func_ptr): New function-pointer type.
1097         * tree-vect-patterns.c: New file.
1098         (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
1099         (vect_recog_dot_prod_pattern, vect_pattern_recog):
1100         (vect_pattern_recog_1): New functions.
1101         (vect_pattern_recog_funcs): New array of function pointers.
1102
1103         * tree-vectorizer.h (ternary_op): New enum value.
1104         * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
1105         declaration. Revised documentation. Removed redundant dump prints.
1106         Removed redundant argument. Added support for reduction patterns.
1107         (vectorizable_reduction): Added support for reduction patterns.
1108         (vect_transform_stmt): Added support for patterns.
1109
1110         * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
1111         * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
1112         * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
1113         (expand_widen_pattern_expr): New function.
1114         (init_optabs): Initialize new optabs udot_prod_optab,
1115         sdot_prod_optab.
1116         * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
1117         (sdot_prod_optab, udot_prod_optab): Define new optabs.
1118         (expand_widen_pattern_expr): New function declaration.
1119         * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
1120         tree-codes.
1121         * tree-inline.c (estimate_num_insns_1): Added cases for new
1122         tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1123         * tree-pretty-print.c (dump_generic_node): Likewise.
1124         (op_prio): Likewise.
1125         (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1126         * tree-ssa-operands.c (get_expr_operands): Added case for
1127         DOT_PROD_EXPR.
1128         * tree-vect-patterns.c (widened_name_p): New function.
1129         (vect_recog_dot_prod_pattern): Added function implementation.
1130         * tree-vect-transform.c (get_initial_def_for_reduction): Added
1131         cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
1132         * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
1133         * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
1134
1135         * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
1136         * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
1137         * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
1138         (init_optabs): Initialize new optabs widen_ssum_optab,
1139         widen_usum_optab.
1140         * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
1141         (widen_ssum_optab, widen_usum_optab): Define new optabs.
1142         * tree-vect-generic.c: (expand_vector_operations_1): Check type of
1143         use instead of type of def.
1144         * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
1145         function implementation.
1146         * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
1147         widen_ssumv8hi): New.
1148
1149         * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
1150         patterns.
1151
1152 2006-01-19  Richard Sandiford  <richard@codesourcery.com>
1153
1154         PR c/25805
1155         * c-decl.c (add_flexible_array_elts_to_size): New function.
1156         (finish_decl): Use it.
1157
1158 2006-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
1159
1160         * diagnostic.h: Include options.h.
1161         * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
1162         dependancies for diagnostic.h.
1163         * Makefile.in (DIAGNOSTIC_H): Add options.h.
1164
1165 2006-01-16  Daniel Berlin  <dberlin@dberlin.org>
1166
1167         * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
1168         (ssa_ro_call_cache_valid): Ditto.
1169         * tree-ssa-alias.c (sort_tags_by_id): New function.
1170         (init_transitive_clobber_worklist): Ditto.
1171         (add_to_worklist): Ditto.
1172         (mark_aliases_call_clobbered): Ditto.
1173         (compute_tag_properties): Ditto.
1174         (set_initial_properties): Ditto.
1175         (compute_call_clobbered): Ditto.
1176         (compute_may_aliases):  Call compute_call_clobbered and grouping.
1177         (compute_flow_sensitive_aliasing): Remove clobbering related code.
1178         (compute_flow_insensitive_aliasing): Grouping now happens in our
1179         caller.
1180         (setup_pointers_and_addressables): Remove clobbering related code.
1181         (add_may_alias): Ditto.
1182         (replace_may_alias): Ditto.
1183         (get_nmt_for): Ditto.
1184         (create_global_var):
1185         (is_escape_site): Return an escape_type enumeration.
1186         * tree-flow-inline.h (is_call_clobbered):  Global var does not
1187         imply call clobbered.
1188         (mark_call_clobbered): Take a reason for marking this. Remove
1189         marking of globalness, and cache invalidation.
1190         (clear_call_clobbered): Remove cache invalidation code.
1191         * tree-dfa.c (dump_variable): If details is on, dump the reason
1192         for escaping.
1193         * tree-outof-ssa.c (create_temp): Copy escape mask from original
1194         variable.
1195         * tree-flow.h (struct ptr_info_def): Add escape mask member.
1196         (struct var_ann_d): Ditto.
1197         (enum escape_type): New.
1198         (mark_call_clobbered): Adjust prototype.
1199         * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
1200         are never call clobbered.
1201         Record reasons for escaping.
1202         * tree-ssa-structalias.h (is_escape_site): Update prototype.
1203         * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
1204         (ssa_ro_call_cache_valid): Ditto.
1205         (clobbered_v_may_defs): Ditto.
1206         (clobbered_vuses): Ditto.
1207         (ro_call_vuses): Ditto.
1208         (clobber_stats): New.
1209         (init_ssa_operands): Zero out clobber stats.
1210         (fini_ssa_operands): Print out clobber stats.
1211         (get_call_expr_operands): Pass callee fndecl to
1212         add_call_read_ops).
1213         (add_call_clobber_ops): Remove use of cache.
1214         Add use of PURE_CONST information.
1215         (add_call_read_ops): Remove use of cache.
1216         Add use of static not_read information.
1217
1218 2006-01-18  Alexandre Oliva  <aoliva@redhat.com>
1219
1220         Introduce TLS descriptors for i386 and x86_64.
1221         * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
1222         (TARGET_ANY_GNU_TLS): New macro.
1223         (enum tls_dialect): Added TLS_DIALECT_GNU2.
1224         (struct machine_function): Add tls_descriptor_call_expanded_p.
1225         (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
1226         (ix86_current_function_calls_tls_descriptor): Likewise.
1227         * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
1228         (override_options): Introduce gnu2 tls dialect.
1229         (ix86_frame_pointer_required): Functions containing TLSCALLs are
1230         not leaves.
1231         (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
1232         Likewise.
1233         (legitimize_tls_address): Adjust logic for GNU2 TLS.
1234         (ix86_init_machine_status): Initialize new field.
1235         (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
1236         (ix86_tls_module_base): New.
1237         * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
1238         * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
1239         (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
1240         (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
1241         (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
1242         (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
1243         (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
1244         (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
1245         * config/i386/predicates.md (tls_modbase_operand): New.
1246         (tp_or_register_operand): New.
1247
1248 2006-01-18  Daniel Berlin  <dberlin@dberlin.org>
1249
1250         * ipa-reference.c (check_operand):  Allow FUNCTION_DECL.
1251         (look_for_address_of): Ditto.
1252         (ipa_init): Walk the function decls.
1253         (static_execute): Don't set readonly on FUNCTION_DECL's.
1254
1255 2006-01-18  Roger Sayle  <roger@eyesopen.com>
1256
1257         * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
1258         for shifts where the source and destination registers are different.
1259
1260 2006-01-18  Paul Brook  <paul@codesourcery.com>
1261
1262         Merge from csl-arm-branch.
1263         2005-03-14  Julian Brown  <julian@codesourcery.com>
1264         * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
1265         (aeabi_llsl): Likewise.
1266         (ashrdi3): Likewise.
1267         (aeabi_lasr): Likewise.
1268         (lshrdi3): Likewise.
1269         (aeabi_llsr): Likewise.
1270         2005-03-10  Julian Brown  <julian@codesourcery.com>
1271         * config.gcc: Disable shared libgcc for SymbianOS.
1272         * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
1273
1274 2006-01-18  DJ Delorie  <dj@redhat.com>
1275
1276         * c-pragma.c (handle_pragma_diagnostic): New.
1277         (init_pragma): Register it.
1278         * doc/extend.texi: Document it.
1279
1280         * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
1281         * diagnostic.h (diagnostic_classify_diagnostic): Declare.
1282         (diagnostic_context): Add classify_diagnostic[].
1283         * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
1284         as errors if they're overridden to DK_WARNING.
1285         (diagnostic_initialize): Initialize classify_diagnostic[].
1286         (diagnostic_set_kind_override): New.
1287         (diagnostic_report_diagnostic): Check for kind changes.
1288         * opts.c (common_handle_option): Take lang_mask.  Update callers.
1289         Handle OPT_Werror_.
1290         * common.opt (Werror=): New.
1291         * doc/invoke.texi: Document -Werror=*
1292
1293 2006-01-18  Jeff Law  <law@redhat.com>
1294
1295         * tree-vrp.c (test_for_singularity): Correct test for new
1296         min limit.  Use operand_equal_p rather than pointer equality
1297         for testing if new min/max values are equal.
1298
1299         * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
1300         using range information until after propagation and folding.
1301
1302 2006-01-18  Richard Henderson  <rth@redhat.com>
1303             Aldy Hernandez  <aldyh@redhat.com>
1304             Jakub Jelinek  <jakub@redhat.com>
1305             Diego Novillo  <dnovillo@redhat.com>
1306
1307         * omp-low.c: New file.
1308         * c-omp.c: New file.
1309
1310 2006-01-18  Richard Henderson  <rth@redhat.com>
1311             Jakub Jelinek  <jakub@redhat.com>
1312             Diego Novillo  <dnovillo@redhat.com>
1313
1314         * doc/invoke.texi: Document -fopenmp.
1315         * tree-dump.h (debug_function): Declare.
1316         * hooks.c (hook_bool_tree_bool_false): New function.
1317         (hook_tree_tree_null): Remove.
1318         (hook_tree_tree_tree_null): New.
1319         * hooks.h: Update to match.
1320         * tree-pretty-print.c (debug_tree_chain): New.
1321         (print_generic_expr): Handle TDF_CHAIN.
1322         (dump_generic_node): Handle BLOCK.
1323         Do not abort with incomplete SWITCH_EXPRs.
1324         Do not dump body of an OpenMP directive if TDF_SLIM is given.
1325         <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
1326         print space after directive name.
1327         <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
1328         Handle OMP_MASTER and OMP_ORDERED.
1329         Handle printing of OMP_BODY just in one place, goto
1330         dump_omp_body in the rest of OMP_* nodes that have
1331         OMP_BODY.
1332         Don't handle clause nodes here.  Update omp statements to
1333         use dump_omp_clauses.
1334         Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
1335         OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
1336         OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
1337         GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
1338         GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
1339         GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
1340         Adjust output for GOMP_PARALLEL.
1341         (dump_omp_clauses): New.
1342         (print_declaration): Dump DECL_VALUE_EXPR.
1343         (op_symbol_1): Split out of op_symbol.
1344         (dumping_stmts): Remove.  Update all users.
1345         * cgraph.c (cgraph_analyze_queue): New.
1346         (cgraph_add_new_function): New.
1347         * cgraph.h (cgraph_analyze_queue): Declare.
1348         (cgraph_add_new_function): Declare.
1349         (cgraph_lower_function): Remove.
1350         * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
1351         nodes.  Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
1352         and TYPE_P nodes in its default clause.
1353         (empty_body_p): New.
1354         (tree_range_check_failed): New.
1355         (build5_stat): New.
1356         * tree.h (OMP_CLAUSE_REDUCTION_INIT,
1357         OMP_CLAUSE_REDUCTION_MERGE,
1358         OMP_CLAUSE_REDUCTION_PLACEHOLDER,
1359         OMP_CLAUSE_PRIVATE_DEBUG,
1360         OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
1361         OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
1362         OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
1363         OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
1364         OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
1365         OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
1366         OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
1367         OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
1368         OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
1369         OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
1370         OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
1371         OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
1372         OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
1373         OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
1374         (TREE_RANGE_CHECK): New.
1375         (empty_body_p): Declare.
1376         (enum omp_clause_default_kind): New.
1377         (build_string_literal): Declare.
1378         (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
1379         (build5_stat, build5): Declare.
1380         * tree-pass.h (TDF_CHAIN): Define.
1381         * tree-pass.h (PROP_gimple_lomp): Define.
1382         (pass_lower_omp): Declare.
1383         * diagnostic.h (debug_tree_chain): Declare.
1384         * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
1385         mode_for_size.
1386         (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
1387         * builtins.c (build_string_literal): Make extern.
1388         * gcc.c (include_spec_function): New.
1389         (static_spec_functions): Add it.
1390         (main): Move load of libgomp.spec ...
1391         (LINK_COMMAND_SPEC): ... here.
1392         (link_gomp_spec): New.
1393         (static_specs): Include it.
1394         (LINK_COMMAND_SPEC): Add link_gomp.
1395         (GOMP_SELF_SPECS): New.
1396         (driver_self_specs): Include it.
1397         (switch_matches): Don't mark inline.
1398         (main): Load libgomp.spec.
1399         * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
1400         OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
1401         and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
1402         * tree-gimple.h (enum omp_parallel): Declare.
1403         (determine_parallel_type): Declare.
1404         (omp_firstprivatize_variable): Declare.
1405         (omp_reduction_init): Declare.
1406         (diagnose_omp_structured_block_errors): Declare.
1407         (struct walk_stmt_info): Add want_return_expr.
1408         (struct walk_stmt_info): Add want_bind_expr, want_locations.
1409         (find_omp_clause): Declare.
1410         (insert_field_into_struct): Declare.
1411         (struct walk_stmt_info): Move from tree-nested.c
1412         (walk_stmts): Declare.
1413         * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
1414         to 200505.
1415         * cgraphunit.c (cgraph_lower_function): Make static.
1416         (cgraph_finalize_pending_functions): New.
1417         (cgraph_finalize_function): Call it.
1418         (cgraph_finalize_compilation_unit): Likewise.
1419         * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
1420         BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
1421         (BT_FN_UINT_UINT): New.
1422         (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
1423         DEF_FUNCTION_TYPE_VAR_4): Document.
1424         (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
1425         BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
1426         BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
1427         BT_FN_VOID_OMPFN_PTR_UINT_UINT,
1428         BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
1429         BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
1430         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
1431         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
1432         * builtins.def: Update DEF_BUILTIN comment to include COND argument.
1433         Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
1434         into separate files.
1435         (DEF_GOMP_BUILTIN): New.
1436         (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
1437         BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
1438         BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
1439         BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
1440         BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
1441         BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
1442         BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
1443         BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
1444         BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
1445         BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
1446         BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
1447         BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
1448         BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
1449         BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
1450         BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
1451         BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
1452         BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
1453         BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
1454         BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
1455         BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
1456         BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
1457         BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
1458         BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
1459         BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
1460         BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
1461         BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
1462         * sync-builtins.def: New file, moved from builtins.def.
1463         * omp-builtins.def: New file, moved from builtins.def.
1464         * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
1465         * gimple-low.c (lower_function_body): Clear data.
1466         (lower_stmt): Do not handle COMPOUND_EXPR.
1467         Remove call to print_node_brief.
1468         * c-tree.h (c_finish_omp_clauses): New prototype.
1469         (C_DECL_THREADPRIVATE_P): Define.
1470         (lookup_name_no_remap, c_omp_remap_private): Remove
1471         (c_begin_omp_parallel, c_finish_omp_parallel): Update.
1472         (check_for_loop_decls): Update decl.
1473         (lookup_name_no_remap, c_omp_remap_private): Declare.
1474         (build_indirect_ref, build_modify_expr, pushdecl,
1475         pushdecl_top_level): Move to c-common.h.
1476         * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
1477         before the switch, but just in the 2 places that need it.
1478         * c-decl.c (diagnose_mismatched_decls): Do not check for
1479         mismatched thread-local attributes when OLDDECL is marked
1480         threadprivate and NEWDECL has no thread-local attributes.
1481         (merge_decls): Merge C_DECL_THREADPRIVATE_P.
1482         (c_gimple_diagnostics_recursively): Rename from
1483         c_warn_unused_result_recursively.  Invoke
1484         diagnose_omp_structured_block_errors.
1485         (check_for_loop_decls): Return a singular decl found.
1486         * langhooks.c (lhd_omp_predetermined_sharing): Return
1487         OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
1488         (lhd_omp_firstprivatize_type_sizes): New.
1489         (lhd_omp_assignment): New.
1490         (lhd_omp_predetermined_sharing): New.
1491         * langhooks.h (struct gimplify_omp_ctx): Forward declare.
1492         (struct lang_hooks_for_types): Add
1493         omp_firstprivatize_type_sizes, omp_privatize_by_reference,
1494         omp_predetermined_sharing, omp_disregard_value_expr,
1495         omp_private_debug_clause, omp_clause_default_ctor,
1496         omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
1497         (c_finish_omp_clauses): New.
1498         (c_finish_bc_stmt): Diagnose break within omp for.
1499         (c_begin_omp_parallel, c_finish_omp_parallel): New.
1500         (build_unary_op): Return error_mark after reporting
1501         a readonly_error.
1502         (build_modify_expr): Likewise.
1503         * gimplify.c: Include optabs.h and pointer-set.h.
1504         (enum gimplify_omp_var_data): Declare.
1505         (struct gimplify_omp_ctx): Declare.
1506         (struct gimplify_ctx): Add fields prev_context, combined_pre_p
1507         and combined_ctxp.
1508         (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
1509         (push_gimplify_context, pop_gimplify_context): Allow nesting.
1510         (splay_tree_compare_decl_uid): New.
1511         (new_omp_context): New.
1512         (delete_omp_context): New.
1513         (gimple_add_tmp_var): Call omp_add_variable.
1514         (gimplify_bind_expr): Likewise.
1515         (gimplify_var_or_parm_decl): If omp_notice_variable returned
1516         true, disregard DECL_VALUE_EXPR on the decl if any.
1517         (gimplify_expr_in_ctx): New.
1518         (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
1519         omp_add_variable, omp_notice_variable, omp_is_private
1520         gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
1521         gimplify_adjust_omp_clauses, gimplify_omp_parallel
1522         gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
1523         gimplify_omp_atomic_fetch_op, goa_stabilize_expr
1524         gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
1525         gimplify_omp_atomic): New.
1526         (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1527         OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1528         OMP_CRITICAL and OMP_ATOMIC.
1529         (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
1530         * c-pragma.h (enum pragma_kind): Add
1531         PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
1532         PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
1533         PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
1534         PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
1535         PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
1536         PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
1537         PRAGMA_OMP_THREADPRIVATE.
1538         * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1539         OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1540         OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
1541         OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
1542         OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
1543         OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
1544         OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
1545         OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
1546         OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
1547         * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
1548         * tree-ssa-dce.c (find_control_dependence): Do not assume that
1549         ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
1550         * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
1551         OpenMP directives.
1552         (struct nesting_info): Add field_map,
1553         suppress_expansion, debug_var_chain.
1554         (create_nesting_tree): Initialize them.
1555         (lookup_field_for_decl): Use field_map.
1556         (get_nonlocal_debug_decl, get_local_debug_decl): New.
1557         (convert_local_omp_clauses): New.
1558         (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
1559         (walk_body): Split out of walk_function.
1560         (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
1561         (convert_nonlocal_reference): Handle omp statements.
1562         (convert_local_reference): Likewise.
1563         (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
1564         (unnest_nesting_tree): New.
1565         (lower_nested_functions): Call it.
1566         (insert_field_into_struct): Make extern.
1567         (struct walk_stmt_info): Move to tree-gimple.h.
1568         (walk_stmts): Make extern.
1569         * omp-builtins.def: New file.
1570         * tree-iterator.c (expr_only): Clarify comment.
1571         * c-common.h (pushdecl_top_level, pushdecl,
1572         build_modify_expr, build_indirect_ref,
1573         c_finish_omp_master, c_finish_omp_critical,
1574         c_finish_omp_ordered, c_finish_omp_barrier,
1575         c_finish_omp_atomic, c_finish_omp_flush,
1576         c_finish_omp_for, c_split_parallel_clauses,
1577         omp_clause_default_kind, c_omp_sharing_predetermined,
1578         c_omp_remap_decl): Declare.
1579         * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
1580         (OBJS-common): Add omp-low.o.
1581         (c-omp.o, omp-low.o): Add.
1582         (gimplify.o): Add dependency on $(OPTABS_H).
1583         (GTFILES): Add omp-low.c.
1584         (gt-stringpool.h): Add.
1585         * tree-cfg.c (set_bb_for_stmt): Do not update the
1586         block-to-labels map if we are currently expanding to RTL.
1587         (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
1588         checks.
1589         Handle IDENTIFIER_NODE.
1590         (tree_verify_flow_info): Do not ICE when emitting error
1591         messages about invalid labels.
1592         (dump_function_to_file): Reset CFUN before emitting the body
1593         of the function.
1594         (debug_function): New.
1595         * passes.c (init_optimization_passes): Schedule
1596         pass_lower_omp.
1597         * langhooks-def.h (lhd_omp_predetermined_sharing,
1598         lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
1599         Declare.
1600         (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
1601         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
1602         (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
1603         LANG_HOOKS_OMP_PREDETERMINED_SHARING,
1604         LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
1605         LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
1606         LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
1607         LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
1608         LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
1609         LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
1610         (LANG_HOOK_DECLS): Use them.
1611
1612 2006-01-18  Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
1613             Richard Henderson  <rth@redhat.com>
1614             Jakub Jelinek  <jakub@redhat.com>
1615             Diego Novillo  <dnovillo@redhat.com>
1616
1617         * c-parser.c (pragma_omp_clause): Define.
1618         (c_parser_declaration_or_fndef): Document OpenMP syntax.
1619         (c_parser_compound_statement): Likewise.
1620         (c_parser_statement): Likewise.
1621         (c_parser_pragma): Handle omp pragmas.
1622         (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
1623         OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
1624         (c_parser_omp_clause_name, check_no_duplicate_clause,
1625         c_parser_omp_variable_list,
1626         c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
1627         c_parser_omp_clause_copyprivate,
1628         c_parser_omp_clause_default,
1629         c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
1630         c_parser_omp_clause_lastprivate,
1631         c_parser_omp_clause_nowait,
1632         c_parser_omp_clause_num_threads,
1633         c_parser_omp_clause_ordered, c_parser_omp_clause_private,
1634         c_parser_omp_clause_reduction,
1635         c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
1636         c_parser_omp_all_clauses, c_parser_omp_structured_block,
1637         c_parser_omp_atomic, c_parser_omp_barrier,
1638         c_parser_omp_critical, c_parser_omp_flush,
1639         c_parser_omp_for_loop, c_parser_omp_for,
1640         c_parser_omp_master, c_parser_omp_ordered,
1641         c_parser_omp_sections_scope, c_parser_omp_sections,
1642         c_parser_omp_parallel, c_parser_omp_single,
1643         c_parser_omp_construct, c_parser_omp_threadprivate): New.
1644         * c-pragma.c (init_pragma): Do omp pragma registration here.
1645         * c.opt (fopenmp): New flag.
1646
1647 2006-01-18  Eric Christopher  <echristo@apple.com>
1648
1649         * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
1650         * config/darwin.h (GOMP_SELF_SPECS): Define.
1651
1652 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
1653
1654         * rtl.h: Remove the prototype for reg_alloc.
1655
1656 2006-01-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1657
1658         PR target/25731
1659         * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
1660         hppa[12]*-*-hpux11*): Override default shared libgcc version for both
1661         sjlj and dwarf2 exception handling.
1662         * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
1663         Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
1664         * pa/pa.c (function_value): Treat complex and vector types as
1665         aggregates.
1666         (function_arg): Likewise.  Only pass scalar floats in the floating
1667         point argument registers.
1668         * pa/t-slibgcc-dwarf-ver: New file.
1669         * pa/t-slibgcc-sjlj-ver: New file.
1670         * pa/t-slibgcc-elf-ver: Delete file.
1671
1672 2006-01-19  Alan Modra  <amodra@bigpond.net.au>
1673
1674         * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
1675         unlikely_test_section_p test.
1676
1677 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
1678
1679         * mode-switching.c (optimize_mode_switching): Make it static.
1680         * basic-block.h: Remove the prototype for
1681         optimize_mode_switching.
1682
1683         * modulo-sched.c (sms_schedule): Make it static.
1684         * rtl.h: Remove the prototype for sms_schedule.
1685
1686         * postreload-gcse.c (gcse_after_reload_main): Make it static.
1687         * rtl.h: Remove the prototype for gcse_after_reload_main.
1688
1689         * reg-stack.c (reg_to_stack): Make it static.
1690         * rtl.h: Remove the prototype for reg_to_stack.
1691
1692         * regrename.c (regrename_optimize, copyprop_hardreg_forward):
1693         Make them static.
1694         * rtl.h: Remove the prototypes for regrename_optimize and
1695         copyprop_hardreg_forward.
1696
1697 2006-01-18  Eric Botcazou  <ebotcazou@adacore.com>
1698
1699         * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
1700         alpha_split_tmode_pair.  Add 'mode' and 'fixup_overlap' arguments.
1701         Test against the appropriate null constant for the mode.
1702         If 'fixup_overlap' is true, swap the operands if they overlap.
1703         (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
1704         * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
1705         alpha_split_tmode_pair and adjust for above change.
1706         * config/alpha/alpha.md (movtf_internal): Adjust call to
1707         alpha_split_tfmode_pair and rely on it to swap the operands.
1708         (movti_internal): New insn and post-reload splitter.
1709         (movti): New expander.
1710
1711 2006-01-18  Philippe De Muyter  <phdm@macqel.be>
1712
1713         * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
1714         operands.
1715
1716 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
1717
1718         * rtlanal.c (global_reg_mentioned_p_1,
1719         global_reg_mentioned_p): Remove.
1720         * rtl.h: Remove the prototype for global_reg_mentioned_p.
1721
1722         * flow.c (initialize_uninitialized_subregs): Make it static.
1723         * rtl.h: Remove the prototype for
1724         initialize_uninitialized_subregs.
1725
1726         * function.c (instantiate_virtual_regs): Make it static.
1727         * function.h: Remove the prototype for
1728         instantiate_virtual_regs.
1729
1730         * regmove.c (regmove_optimize, combine_stack_adjustments):
1731         Make them static.
1732         * rtl.h: Remove the prototypes for regmove_optimize and
1733         combine_stack_adjustments.
1734
1735 2006-01-17  Roger Sayle  <roger@eyesopen.com>
1736
1737         * config/i386/i386.c (COSTS_N_BYTES): New macro.
1738         (size_cost): Encode costs in bytes so that a reg-reg addition is
1739         equivalent to COSTS_N_INSNS(1).
1740         (override_options): Use the size_cost.branch_cost as the default
1741         ix86_branch_cost when optimizing for size.
1742
1743 2006-01-18  Ben Elliston  <bje@au.ibm.com>
1744
1745         * Makefile.in (D32PBIT_FUNCS): New.
1746         (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
1747         (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
1748         D64PBIT_FUNCS and D128PBIT_FUNCS.
1749         (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
1750         * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
1751         D128PBIT are set.
1752         (decnumber_dep): Define.
1753         * doc/libgcc.texi (Decimal float library routines): New node.
1754         * config/dfp-bit.h, config/dfp-bit.c: New files.
1755
1756 2006-01-18  Ben Elliston  <bje@au.ibm.com>
1757
1758         * expr.c (emit_move_change_mode): Always adjust addresses, not
1759         just during reload.  Copy replacements only during reload.
1760         (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
1761         emit_move_via_integer.
1762
1763 2006-01-17  Shantonu Sen  <ssen@opendarwin.org>
1764
1765         * Makefile.in (check-%, check-consistency): Use $${srcdir}
1766         instead of $(srcdir) and ${srcdir}.
1767
1768 2006-01-17  Richard Earnshaw  <rearnsha@arm.com>
1769
1770         PR target/592
1771         PR middle-end/11135
1772         * arm.h (struct machine_function): Add pic_reg.
1773         * arm.c (arm_pic_register): Make unsigned.
1774         (arm_override_options): Only set arm_pic_register if
1775         TARGET_SINGLE_PIC_BASE.
1776         (use_return_insn): Only test for a pic register if it is fixed.
1777         (arm_compute_save_reg0_reg12_mask): Likewise.
1778         (thumb_compute_save_reg_mask): Likewise.
1779         (legitimate_pic_operand): Factor out some known invariants.
1780         (legitimize_pic_address): If we don't have a fixed pic register,
1781         then set up a pseudo in the function entry sequence.  Handle the
1782         pic base being in a pseudo.
1783         (arm_load_pic_register): Handle the pic register being in a pseudo.
1784         (arm_expand_prologue): Only set up the pic register if it is fixed.
1785         (thumb_expand_prologue): Likewise.
1786         * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
1787         (pic_load_addr_based_insn): Likewise.
1788         (builtin_setjmp_receiver): Don't restore the pic base if it isn't
1789         fixed.
1790
1791 2006-01-18  Ben Elliston  <bje@au.ibm.com>
1792
1793         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
1794         decimal float modes for all floating point registers.
1795
1796         * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
1797         match_code "mem" with match_test "macho_lo_sum_memory_operand".
1798
1799 2006-01-17  Jakub Jelinek  <jakub@redhat.com>
1800
1801         PR c/25682
1802         * c-typeck.c (build_unary_op): Fold offsetof-like expressions
1803         even when the pointer is not NULL.
1804
1805 2006-01-16  Ian Lance Taylor  <ian@airs.com>
1806
1807         * common.opt (ftoplevel-reorder): New option.
1808         * cgraph.c (cgraph_asm_nodes): New global variable.
1809         (cgraph_asm_last_node): New static variable.
1810         (cgraph_order): New global variable.
1811         (cgraph_create_node): Set new order field.
1812         (cgraph_varpool_node): Likewise.
1813         (decide_is_variable_needed): Return true if not
1814         flag_toplevel_reorder.
1815         (cgraph_add_asm_node): New function.
1816         * cgraph.h (struct cgraph_node): Add order field.
1817         (struct cgraph_varpool_node): Add order field.
1818         (struct cgraph_asm_node): Define.
1819         (cgraph_asm_nodes, cgraph_order): Declare.
1820         (cgraph_add_asm_node): Declare.
1821         * cgraphunit.c (cgraph_varpool_assemble_decl): New static
1822         function.
1823         (cgraph_varpool_assemble_pending_decls): Call it.
1824         (cgraph_output_pending_asms): New static function.
1825         (cgraph_finalize_compilation_unit): Call it.
1826         (struct cgraph_order_sort): Define.
1827         (cgraph_output_in_order): New static function.
1828         (cgraph_optimize): Call cgraph_output_pending_asms.  Add code for
1829         !flag_toplevel_reorder case.
1830         * c-parser.c: Include "cgraph.h".
1831         (c_parser_asm_definition): Call cgraph_add_asm_node rather than
1832         assemble_asm.
1833         * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
1834         than -fno-unit-at-a-time.
1835         * doc/invoke.texi (Option Summary): Mention
1836         -fno-toplevel-reorder.
1837         (Optimize Options): Document -fno-toplevel-reorder.  Mention it in
1838         -funit-at-a-time documentation.
1839
1840 2006-01-17  Hans-Peter Nilsson  <hp@axis.com>
1841             Kazu Hirata  <kazu@codesourcery.com>
1842
1843         * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
1844
1845 2006-01-17  Kazu Hirata  <kazu@codesourcery.com>
1846
1847         * Makefile.in (FUNCTION_H): New.  Use it instead of
1848         function.h throughout the file.
1849         * function.h: Include tree.h.
1850
1851 2006-01-17  Ben Elliston  <bje@au.ibm.com>
1852
1853         * recog.c: Separate some functions with whitespace.
1854
1855 2006-01-16  Richard Henderson  <rth@redhat.com>
1856
1857         Merge from gomp branch:
1858         * Makefile.in (TREE_INLINE_H): New.  Use it as needed.
1859         * tree-inline.h (struct copy_body_data): Move from tree-inline.c
1860         and rename from struct inline_data.  Rename callee* to dst*;
1861         caller* to src*; add copy_decl hook, transform_call_graph_edges,
1862         transform_new_cfg, transform_return_to_modify, and
1863         transform_lang_insert_block flags; remove cloning_p, versioning_p,
1864         update_clones_p.
1865         (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
1866         (copy_decl_for_dup): Remove.
1867         * tree-inline.c (struct inline_data): Move to header.
1868         (insert_decl_map): Export.
1869         (remap_decl): Update for member name changes.  Use copy_decl hook.
1870         Allow for replacement to be a non-decl.  Remove dead code.
1871         (remap_type_1): Check for existing mapping.
1872         (remap_type): Export.
1873         (remap_decls): Update for member name changes.
1874         (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
1875         (copy_body, setup_one_parameter, declare_return_variable): Likewise.
1876         (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
1877         (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
1878         (tree_function_versioning, build_duplicate_type): Likewise.
1879         (copy_body_r): Likewise.  Export.
1880         (copy_decl_for_dup): Split into ...
1881         (copy_decl_for_dup_finish, copy_decl_to_var,
1882         copy_decl_no_change, copy_decl_maybe_to_var): ... these.
1883         (replace_ref_tree, inlining_p): Remove.
1884
1885 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
1886
1887         * ifcvt.c (if_convert): Make it static.
1888         * rtl.h: Remove the prototype for if_convert.
1889
1890         * local-alloc.c (local_alloc): Make it static.
1891         * rtl.h: Remove the prototype for local_alloc.
1892
1893         * loop.c (loop_optimize): Make it static.
1894         * cfgloop.h: Remove the prototype for loop_optimize.
1895         * rtl.h: Likewise.
1896
1897 2006-01-16  DJ Delorie  <dj@redhat.com>
1898
1899         * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
1900         mems.
1901
1902 2006-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1903
1904         * pa.md: Disparage copies between general and floating-point registers
1905         in 32-bit move patterns.
1906
1907 2006-01-16  H.J. Lu  <hongjiu.lu@intel.com>
1908
1909         PR testsuite/25741
1910         * Makefile.in (check-%): Depend on site.exp instead of
1911         $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
1912         directories.
1913
1914 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
1915
1916         * global.c (global_alloc): Make it static.
1917         * rtl.h: Remove the prototype for global_alloc.
1918
1919 2006-01-16  Richard Guenther  <rguenther@suse.de>
1920
1921         * tree-ssa-alias.c (struct used_part): Add write_only field.
1922         (get_or_create_used_part_for): Initialize it to true.
1923         (create_overlap_variables_for): Don't create structure variables
1924         for structures that only are written to.
1925         (find_used_portions): Handle MODIFY_EXPR to track whether a
1926         structure is only written to.
1927
1928 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
1929
1930         * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
1931         static.
1932         * basic-block.h: Remove the prototype for
1933         partition_hot_cold_basic_blocks.
1934
1935 2006-01-16  Rafael Ãƒvila de Espíndola <rafael.espindola@gmail.com>
1936
1937         * cppspec.c (lang_specific_spec_functions): Remove.
1938         * gcc.c (lookup_spec_function): Use static_spec_functions directly.
1939         * gcc.h (lang_specific_spec_functions): Remove.
1940         * gccspec.c (lang_specific_spec_functions): Remove.
1941
1942 2006-01-16  Paolo Bonzini  <bonzini@gnu.org>
1943
1944         * combine.c (record_value_for_reg): Invalidate registers
1945         if INSN is null.
1946         (record_dead_and_set_regs_1): Likewise, by passing them to
1947         record_value_for_reg.
1948         (record_dead_and_set_regs): Invalidate stores made by a
1949         call.  We do not combine across a call, but we still
1950         relied on equivalences.
1951
1952 2006-01-16  Eric Botcazou  <ebotcazou@adacore.com>
1953
1954         * tree-vrp.c (extract_range_from_binary_expr): Cope with
1955         vrp_int_const_binop returning non-constant nodes.
1956
1957 2006-01-16  Paul Brook  <paul@codesourcery.com>
1958
1959         * config/m68k/m68k.c (output_move_const_into_data_reg):
1960         Output correct mnemonic for mvz and mvs.
1961
1962 2006-01-16  Gabor Loki  <loki@gcc.gnu.org>
1963
1964         * rtl-factoring.c: Add sequence abstraction algorithm.
1965         * cfgcleanup.c (outgoing_edges_match): Extra checks.
1966         (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
1967         ABNORMAL edges.
1968         (block_has_preserve_label): New function.
1969         * common.opt: Register new pass.
1970         * Makefile.in: Ditto.
1971         * passes.c: Ditto.
1972         * timevar.def: Ditto.
1973         * tree-pass.h: Ditto.
1974         * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
1975         * rtl.h (make_jump_insn_raw): Add forward decl.
1976         * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
1977
1978 2006-01-16  Eric Botcazou  <ebotcazou@adacore.com>
1979             Roger Sayle  <roger@eyesopen.com>
1980
1981         * fold-const.c (fold_minmax): New static function.
1982         (fold_binary) <MIN_EXPR>: Call it.
1983         <MAX_EXPR>: Likewise.
1984         * stor-layout.c (place_field): Use DECL_SIZE consistently
1985         in the computation of the new record size.
1986
1987 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
1988
1989         * cse.c (cse_condition_code_reg): Make it static.
1990         * rtl.h: Remove the prototype for cse_condition_code_reg.
1991
1992         * combine.c (combine_instructions): Make it static.
1993         * rtl.h: Remove the prototype for combine_instructions.
1994
1995 2006-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1996
1997         PR target/25168
1998         * tree.c (get_file_function_name_long): Concatenate the first global
1999         object name with a string derived from the input filename of the object
2000         for type "F".
2001
2002 2006-01-16  Ben Elliston  <bje@au.ibm.com>
2003
2004         * config/i386/winnt-stubs.c: Update FSF address.
2005         * config/xtensa/ieee754-df.S: Ditto.
2006         * config/xtensa/ieee754-sf.S: Ditto.
2007
2008 2006-01-14  Ian Lance Taylor  <ian@airs.com>
2009
2010         * ifcvt.c (noce_init_if_info): New static function, broken out of
2011         noce_process_if_block.
2012         (noce_process_if_block): Call noce_init_if_info.
2013         (check_cond_move_block): New static function.
2014         (cond_move_process_if_block): New static function.
2015         (process_if_block): Call cond_move_process_if_block.
2016
2017 2006-01-15  Kazu Hirata  <kazu@codesourcery.com>
2018
2019         * cselib.c (hash_table): Rename to cselib_hash_table.
2020         (cselib_clear_table, discard_useless_values,
2021         remove_useless_values, cselib_lookup_mem, cselib_lookup,
2022         cselib_init, cselib_finish): Adjust uses of hash_table.
2023
2024 2006-01-14  Kazu Hirata  <kazu@codesourcery.com>
2025
2026         PR tree-optimization/25485
2027         * tree-vrp.c (extract_range_from_binary_expr): Handle cases
2028         where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
2029         is known to be false and true, respectively.
2030
2031 2006-01-14  Richard Guenther  <rguenther@suse.de>
2032
2033         PR tree-optimization/22548
2034         PR tree-optimization/22555
2035         PR tree-optimization/22501
2036         * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
2037         * params.def (salias-max-array-elements): New parameter.
2038         * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
2039         * doc/invoke.texi (salias-max-array-elements): Document.
2040         * tree-flow-inline.h (var_can_have_subvars): We also handle
2041         arrays now.
2042         * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
2043         COMPONENT_REF.
2044         * tree-ssa-structalias.c (params.h): Include.
2045         (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
2046         (find_func_aliases): Handle multiple constraints from ARRAY_REF.
2047         (get_constraint_for): For ADDR_EXPR operating on something
2048         containing an ARRAY_REF, add all subvars to the solution.
2049         (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
2050         * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
2051         for creating MUST_DEFs.
2052         (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
2053
2054 2006-01-14  Zdenek Dvorak <dvorakz@suse.cz>
2055
2056         * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
2057         functions.
2058         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
2059         assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2060         number_of_iterations_le): New functions.
2061         (number_of_iterations_special): Removed.
2062         (number_of_iterations_exit): Do not use number_of_iterations_special.
2063         * tree.c (unsigned_type_for): Always return integer type.
2064
2065 2006-01-14  Steven Bosscher  <stevenb.gcc@gmail.com>
2066         Richard Guenther  <rguenther@suse.de>
2067
2068         PR rtl-optimization/24257
2069         * gcse.c (find_moveable_store): Only consider a store movable
2070         when the SET_SRC of the insn can be assigned to a register.
2071
2072 2006-01-14  Ian Lance Taylor  <ian@airs.com>
2073
2074         * tree.c (tree_not_class_check_failed): New function.
2075         * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
2076         (tree_not_class_check_failed): Declare.
2077
2078 2006-01-13  Ian Lance Taylor  <ian@airs.com>
2079
2080         * reload1.c (do_output_reload): Add assertion rejecting a
2081         CALL_INSN.
2082
2083 2006-01-13  Adam Nemet  <anemet@caviumnetworks.com>
2084
2085         * combine.c (struct reg_stat): Add new fields truncation_label and
2086         truncated_to_mode.
2087         (record_value_for_reg): Reset truncated_to_mode.
2088         (record_truncated_value): New function.
2089         (check_promoted_subreg): Call it.  Rename to check_conversions.
2090         (combine_instructions): Rename check_promoted_subreg to
2091         check_conversions.
2092         (reg_truncated_to_mode): New function.
2093         (make_extraction): Use it.  Check TRULY_NOOP_TRUNCATION.
2094         (gen_lowpart_or_truncate): New function.
2095         (force_to_mode): Use it instead of gen_lowpart.
2096
2097 2006-01-13  Diego Novillo  <dnovillo@redhat.com>
2098
2099         * tree-ssa-alias.c (add_type_alias): Fix typo.  Test whether
2100         VAR is a tag, not its type tag.
2101
2102 2006-01-13  Alexandre Oliva  <aoliva@redhat.com>
2103
2104         * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
2105         alternatives to match style of other entries.
2106         (*vec_extractv2di_1_sse): Likewise.  Fix mode attr.
2107
2108 2006-01-13  Daniel Berlin  <dberlin@dberlin.org>
2109
2110         PR tree-optimization/25771
2111         * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
2112         SSA_NAMES.
2113
2114 2006-01-13  Andrew Pinski  <pinskia@physics.uc.edu>
2115
2116         PR tree-opt/24365
2117         * tree-inline.c (declare_return_variable): If the return variable
2118         was marked as a non gimple complex, set the return slot variable
2119         to be a non gimple comple variable.
2120
2121 2006-01-13  Richard Guenther  <rguenther@suse.de>
2122
2123         * builtins.c (expand_builtin_sincos): New function.
2124         (expand_builtin_mathfn_3): Remove dead code, sin and cos
2125         do not set errno.
2126         (expand_builtin): Expand sincos using expand_builtin_sincos.
2127
2128 2006-01-12  DJ Delorie  <dj@redhat.com>
2129
2130         * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
2131         shift counts, separate SI shifts for m32c vs m16c, pass shift type
2132         so that constant shifts can be split.
2133         * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
2134         (m32c_valid_pointer_mode): Make static.
2135         (shift_gen_func_for): New.
2136         (m32c_prepare_shift): Use it.  Split large const shifts into
2137         multiple shifts.
2138         * config/m32c/predicates.md (shiftcount_operand): Allow more
2139         general operands.
2140         (longshiftcount_operand): New.
2141         * doc/md.texi (Machine Constraints): Document In6.
2142
2143 2006-01-13  Ben Elliston  <bje@au.ibm.com>
2144
2145         * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
2146         REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
2147         documentation.
2148
2149 2006-01-12  Daniel Berlin  <dberlin@dberlin.org>
2150
2151         * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
2152         to try to avoid clobbering pieces of structures when we know
2153         something about the whole structure.
2154         * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
2155
2156 2006-01-13  Ben Elliston  <bje@au.ibm.com>
2157
2158         * doc/rtl.texi (Insns): Remove statement that libcalls cannot
2159         return in memory, as this is no limitation is no longer present.
2160
2161 2006-01-12  DJ Delorie  <dj@redhat.com>
2162
2163         * config/m32c/addsub.md (addhi3): Add two more alternatives, for
2164         mova with fb, and for fb+0 -> An.
2165
2166         * config/m32c/mov.md (peephole2): Fix enabling logic.
2167
2168         * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
2169         DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
2170         DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
2171         FINI_ARRAY_SECTION_ASM_OP): Define.
2172
2173         * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
2174         variable.
2175         (m32c_legitimize_reload_address): New logic to reload FB to An.
2176         (m32c_output_reg_push): Add newline.
2177         (m32c_output_reg_pop): Likewise.
2178
2179 2006-01-12  Ulrich Weigand  <uweigand@de.ibm.com>
2180
2181         * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
2182
2183 2006-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
2184
2185         * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
2186
2187 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
2188
2189         * config/sh/predicates.md (sh_rep_vec): Add parallel to
2190         match_code.
2191
2192 2006-01-11  Ben Elliston  <bje@au.ibm.com>
2193
2194         * rtlanal.c (find_reg_note): Assert insn is not null.
2195
2196 2006-01-11  Kenneth Zadeck <zadeck@naturalbridge.com>
2197
2198         * df-scan.c (df_hard_reg_init): Move declaration of i outside
2199         ifdef.
2200
2201 2006-01-11  Jeff Law  <law@redhat.com>
2202
2203         * tree-ssa-threadupdate.c (threaded_edges): New VEC to
2204         hold edge pairs.
2205         (mark_threaded_blocks, register_jump_thread): New functions.
2206         (thread_through_all_blocks): Remove unwanted argument.  No
2207         longer rely on e->aux to communicate thread target info.
2208         Call mark_threaded_blocks.  Release the threaded_blocks
2209         bitmap and threaded_edges vector when complete.
2210         * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
2211         (threaded_blocks): Remove.
2212         (tree_ssa_dominator_optimize): Remove initialization and
2213         finalization of threaded_blocks.  Simplify call to
2214         thread_through_all_blocks.
2215         (thread_across_edge): Call register_jump_thread rather than
2216         storing thread information into e->aux.
2217         (free_all_edge_infos): Simplify now that e->aux is no longer
2218         used to communicate with thread_through_all_blocks.
2219         * tree-flow.h (thread_through_all_blocks): Update prototype.
2220         (register_jump_thread): Prototype.
2221
2222 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
2223
2224         * df-core.c (df_compact_blocks, df_bb_replace): Use
2225         SET_BASIC_BLOCK instead of BASIC_BLOCK.
2226
2227 2006-01-11  Richard Guenther  <rguenther@suse.de>
2228
2229         PR tree-optimization/25734
2230         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
2231         stop propagation after successful propagation to the LHS.
2232
2233 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
2234
2235         * basic-block.h (control_flow_graph): Change the type of
2236         x_basic_block_info to VEC(basic_block,gc) *.
2237         (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
2238         basic_block_info.
2239         (SET_BASIC_BLOCK): New.
2240         * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
2241         instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
2242         * cfgbuild.c (find_basic_blocks): Likewise.
2243         * cfglayout.c (fixup_reorder_chain): Likewise.
2244         * cfgrtl.c (create_basic_block_structure,
2245         rtl_create_basic_block): Likewise.
2246         * ifcvt.c (find_if_case_1): Likewise.
2247         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
2248         Likewise.
2249
2250 2006-01-11  Kenneth Zadeck <zadeck@naturalbridge.com>
2251
2252         * Makefile.in: Removed rotted odf.c entry.
2253
2254 2006-01-11  Hans-Peter Nilsson  <hp@axis.com>
2255
2256         PR target/25706
2257         * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
2258         ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
2259         ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
2260         output pattern modifier, not %e.
2261         * config/cris/cris.c (cris_op_str): Update comment about pattern
2262         modifier.
2263         (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
2264         before falling through into...
2265         <case 'E'>: Redefined from old 'e' case.
2266
2267 2006-01-11  Jan Hubicka  <jh@suse.cz>
2268
2269         PR target/25042
2270         * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
2271
2272 2006-01-11  Jan Hubicka  <jh@suse.cz>
2273
2274         * i386.h (TARGET_DECOMPOSE_LEA): Kill.
2275         * i386.c (x86_decompose_lea): Kill.
2276         (ix86_rtx_costs): Kill.
2277
2278 2006-01-11  Jan Hubicka  <jh@suse.cz>
2279
2280         * cgraph.c (cgraph_insert_node_to_hashtable): New function.
2281         * cgraph.h (cgraph_node): Add inline_decl.
2282         (cgraph_insert_node_to_hashtable): Declare.
2283         (save_inline_function_body): Declare.
2284         * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
2285         clones.
2286         (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
2287         (cgraph_function_versioning): Update call of tree_function_versioning.
2288         (save_inline_function_body): New function.
2289         * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
2290         saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
2291         * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
2292         (cgraph_default_inline_p): Likewise.
2293         (cgraph_decide_inlining_incrementally): Likewise.
2294         * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
2295         (copy_bb): Kill saving; do updating of clones.
2296         (copy_cfg_body): Kill saving.
2297         (initialize_inlined-parameters): Likewise.
2298         (expand_call_inline): Likewise.
2299         (save_body): Kill.
2300         (tree_function_versioning): New parameter "update_clones".
2301         (inlining_p): Kill saving.
2302         * tree-inline.h (tree_function_versioning): Update prototype.
2303         * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
2304         saving.
2305
2306 2006-01-11  Ian Lance Taylor <ian@airs.com>
2307
2308         * combine.c (struct undo): Remove is_int.  Enumify types of undos.
2309         Allow undoing set of machine mode.
2310         (do_SUBST): Use enums instead of is_int.
2311         (do_SUBST_MODE): New function.
2312         (SUBST_MODE): New macro.
2313         (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
2314         reg and trying to replace reg_regno_rtx with a new register.
2315         (undo_all): Use new enums, handle undoing a PUT_MODE change.
2316         (simplify_set): Use SUBST_MODE.
2317         (distribute_notes): Remove code that tried to update reg notes
2318         for regno_reg_rtx changes.
2319
2320 2006-01-11  Paolo Bonzini  <bonzini@gnu.org>
2321
2322         PR tree-optimization/23109
2323         PR tree-optimization/23948
2324         PR tree-optimization/24123
2325
2326         * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
2327         * tree-cfg.c (single_noncomplex_succ): New.
2328         * tree-flow.h (single_noncomplex_succ): Declare it.
2329         * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2330         * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2331         (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
2332         insert_bb, register_division_in, insert_reciprocals,
2333         replace_reciprocal, free_bb): New.
2334         (execute_cse_reciprocals_1): Rewritten.
2335         (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
2336         Do not commit any edge insertion.  Always compute dominators and
2337         create the allocation pool.
2338         * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
2339         * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
2340         * targhooks.c (default_min_divistions_for_recip_mul): New.
2341         * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
2342         * passes.c (init_optimization_passes): Run recip after tree loop
2343         optimizations.
2344         * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
2345
2346 2006-01-11  Danny Berlin <dberlin@dberlin.org>
2347             Kenneth Zadeck <zadeck@naturalbridge.com>
2348
2349         * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
2350         DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
2351         DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
2352         DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
2353         DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
2354         DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
2355         DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
2356         DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
2357         DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
2358         DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
2359         DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
2360         DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
2361         DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
2362         DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
2363         DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
2364         DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
2365         DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
2366         DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
2367         DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
2368         DF_SCAN_POST_ALLOC): New macros.
2369         (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
2370         df_free_bb_function, df_local_compute_function, df_init_function,
2371         df_dataflow_function, df_confluence_function_0,
2372         df_confluence_function_n, df_transfer_function,
2373         df_finalizer_function, df_free_function, df_dump_problem_function,
2374         df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
2375         df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
2376         df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
2377         df_urec_bb_info, ) New types.
2378         (df_invalidated_by_call, df_all_hard_regs, df_state) New public
2379         variables.
2380         (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
2381         df_analyze_simple_change_some_blocks,
2382         df_analyze_simple_change_one_block, df_compact_blocks,
2383         df_bb_replace, df_bb_regno_last_use_find,
2384         df_bb_regno_first_def_find, df_bb_regno_last_def_find,
2385         df_insn_regno_def_p, df_find_def, df_find_use,
2386         df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
2387         df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
2388         df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
2389         debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
2390         debug_df_chain, df_get_dependent_problem, df_chain_create,
2391         df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
2392         df_grow_bb_info, df_chain_dump, df_print_bb_index,
2393         df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
2394         df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
2395         df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
2396         df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
2397         df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
2398         df_rescan_blocks, df_ref_create, df_get_artificial_defs,
2399         df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
2400         df_ref_remove, df_insn_refs_delete, df_refs_delete,
2401         df_reorganize_refs, df_set_state, df_hard_reg_init,
2402         df_read_modify_subreg_p) New public functions.
2403         * df-core.c: The core dataflow solver and glue routines for rtl
2404         dataflow.
2405         (df_init, df_add_problem, df_set_blocks, df_finish,
2406         df_hybrid_search_forward, df_hybrid_search_backward,
2407         df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
2408         df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
2409         df_bb_regno_last_use_find, df_bb_regno_first_def_find,
2410         df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
2411         df_reg_defined, df_find_use, df_reg_used, df_dump,
2412         df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
2413         df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
2414         debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
2415         debug_df_useno, reset_df_after_reload): New functions.
2416         * df-scan.c: The scanning fuctions, once in df.c, completely
2417         rewritten so that they now fully model the functionality of
2418         register usage at the backend.
2419         (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
2420         df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
2421         df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
2422         df_grow_insn_info, df_rescan_blocks, df_ref_create,
2423         df_get_artificial_defs, df_get_artificial_uses,
2424         df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
2425         df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
2426         df_refs_delete, df_reorganize_refs, df_set_state,
2427         df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
2428         df_def_record_1, df_defs_record, df_uses_record,
2429         df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
2430         df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
2431         df_record_exit_block_uses, df_hard_reg_init): New functions.
2432
2433         * df-problems.c: Seven concrete dataflow problems that use the
2434         scanning in df-scan.c and are solved by the engine in df-core.c.
2435         (df_get_dependent_problem, df_chain_create, df_chain_unlink,
2436         df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
2437         df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
2438         df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
2439         df_ru_free_bb_info, df_ru_alloc,
2440         df_ru_bb_local_compute_process_def,
2441         df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
2442         df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
2443         df_ru_transfer_function, df_ru_free, df_ru_dump,
2444         df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
2445         df_rd_free_bb_info, df_rd_alloc,
2446         df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
2447         df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
2448         df_rd_transfer_function, df_rd_free, df_rd_dump,
2449         df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
2450         df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
2451         df_lr_local_compute, df_lr_init, df_lr_confluence_0,
2452         df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
2453         df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
2454         df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
2455         df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
2456         df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
2457         df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
2458         df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
2459         df_urec_mark_reg_change, df_urec_check_earlyclobber,
2460         df_urec_mark_reg_use_for_earlyclobber,
2461         df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
2462         df_urec_local_compute, df_urec_init, df_urec_local_finalize,
2463         df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
2464         df_urec_dump, df_urec_add_problem, df_chain_alloc,
2465         df_chain_create_bb_process_use, df_chain_create_bb,
2466         df_chain_finalize, df_chain_free, df_chains_dump,
2467         df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
2468         df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
2469         df_reg_lifetime): New functions.
2470         * df.c: Deleted file.
2471         * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
2472         consistent with new df api.
2473         * modulo-sched.c (sms_schedule, rest_of_handle_sms,
2474         rest_of_handle_sms): Ditto.
2475         * web.c (unionfind_union, union_defs, entry_register, web_main):
2476         Ditto.
2477         * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
2478         invariant_expr_equal_p, find_defs, check_dependencies,
2479         find_invariant_insn, find_invariants_to_move, move_invariant_reg,
2480         free_inv_motion_data, move_loop_invariants): Ditto.
2481         * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
2482         Update dependencies.
2483         (odf.c): Added defective entry that was deleted later in day.
2484         * sched-deps.c (sched_analyze_1): Ditto.
2485
2486 2006-01-11  Zdenek Dvorak <dvorakz@suse.cz>
2487
2488         * tree-ssa-operands.c (get_expr_operands): Record addressable
2489         variables directly.  Do not call add_stmt_operands for CONST_DECLs
2490         and ARRAY_DECLs.
2491         (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
2492         (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
2493
2494 2006-01-11  Ben Elliston  <bje@au.ibm.com>
2495
2496         * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
2497         function returns true in the positive case.
2498
2499 2006-01-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2500
2501         PR target/20754
2502         * config/pa/pa.md: Create separate 32 and 64-bit move patterns
2503         for SI, DI, SF and DF modes.  Add alternatives to copy between
2504         general and floating point registers to the 32-bit patterns.
2505         * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
2506         * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
2507         (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
2508         generating 64-bit code.
2509         * config/pa/pa.c (output_move_double): Handle copies between general
2510         and floating registers.
2511
2512 2006-01-10  Stuart Hastings  <stuart@apple.com>
2513
2514         * config/i386/i386.md (set_got): Update.
2515         (set_got_labelled): New.  (UNSPEC_LD_MPIC): New.
2516         (builtin_setjmp_receiver): Mach-O support.
2517         * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
2518         (GOT_SYMBOL_NAME): Define.
2519         (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
2520         (TARGET_DEEP_BRANCH_PREDICTION): Remove.
2521         * config/i386/i386.c (override_options): Revise for Darwin.
2522         (USE_HIDDEN_LINKONCE): Enable for Mach-O.  (ix86_file_end): Mach-O
2523         support.  (darwin_x86_file_end): New.  (output_set_got): Add label
2524         parameter, revise for Mach-O.  (x86_output_mi_thunk): Likewise.
2525         * config/i386/i386-protos.h (output_set_got): Likewise.
2526         * config/darwin.c (machopic_legitimize_pic_address): Update
2527         regs_ever_live[].
2528
2529 2006-01-10  Kaz Kojima  <kkojima@gcc.gnu.org>
2530
2531         * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
2532         when MODE isn't BLKmode.
2533
2534 2006-01-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
2535
2536         PR rtl-optimization/25367
2537         * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
2538
2539 2006-01-10  Hans-Peter Nilsson  <hp@axis.com>
2540
2541         PR target/25718
2542         * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
2543         for a negative bound.
2544
2545 2006-01-10  Richard Guenther  <rguenther@suse.de>
2546
2547         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2548         Never override with anything constraint.
2549
2550 2006-01-10  Jan Beulich  <jbeulich@novell.com>
2551
2552         * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
2553         256 bits when optimize_size.
2554
2555 2006-01-10  Jan Beulich  <jbeulich@novell.com>
2556
2557         * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
2558         MASK_ALIGN_DOUBLE.
2559         * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
2560         * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
2561         arguments.
2562
2563 2006-01-10  Ben Elliston  <bje@au.ibm.com>
2564
2565         * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
2566         float modes.
2567         * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
2568         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2569         (USE_FP_FOR_ARG): Reject decimal float modes.
2570         (function_arg_advance): Likewise.
2571         (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
2572         (rs6000_handle_altivec_attribute): Do not permit decimal floating
2573         point types in AltiVec vectors.
2574         (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
2575         (rs6000_libcall_value): Likewise.
2576
2577 2006-01-09  Bob Wilson  <bob.wilson@acm.org>
2578
2579         * config/xtensa/ieee754-df.S: New file.
2580         * config/xtensa/ieee754-sf.S: New file.
2581         * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
2582         (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
2583         * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
2584
2585 2006-01-09  Kazu Hirata  <kazu@codesourcery.com>
2586
2587         * config/sh/predicates.md (binary_float_operator,
2588         binary_logical_operator, commutative_float_operator,
2589         equality_comparison_operator, greater_comparison_operator,
2590         less_comparison_operator, logical_operator,
2591         noncommutative_float_operator, shift_operator,
2592         symbol_ref_operand, unary_float_operator): Remove redundant
2593         conditionals.
2594
2595 2006-01-09  Jeff Law  <law@redhat.com>
2596
2597         * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
2598         code to propagate the RHS of a cast into COND_EXPR_COND.  Remove
2599         now unused arguments.  Callers updated.
2600         (eliminate_redundant_computations): Remove now unused arguments,
2601         callers updated.
2602         (local_fold): Remove, no longer used.
2603         (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
2604         and moved to...
2605         * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
2606         (simplify_cond): New function.
2607         (forward_propagate_into_cond): Call simplify_cond.
2608
2609 2006-01-09  Alexandre Oliva  <aoliva@redhat.com>
2610
2611         * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
2612         (*vec_extractv2di_1_sse): New.
2613
2614 2006-01-09  Ben Elliston  <bje@au.ibm.com>
2615
2616         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
2617
2618 2006-01-08  Richard Guenther  <rguenther@suse.de>
2619
2620         * tree-ssa-structalias.c (get_constraint_for): Remove
2621         anyoffset argument.
2622         (get_constraint_for_component_ref): Likewise.
2623         (do_deref): Likewise.
2624         (get_constraint_for): Likewise.
2625         (do_structure_copy): Likewise.
2626         (handle_ptr_arith): Likewise.
2627         (find_func_aliases): Likewise.  Remove unused need_anyoffset
2628         variable.
2629
2630 2006-01-08  J"orn Rennecke  <joern.rennecke@st.com>
2631             Kaz Kojima  <kkojima@gcc.gnu.org>
2632
2633         * config/sh/sh.h (CONST_OK_FOR_K16): Define.
2634         (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
2635         (EXTRA_CONSTRAINT_C16): Remove.
2636         (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
2637         (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
2638         EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
2639         * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
2640         constants of SHmedia.  Handle nested constant expressions of
2641         SHmedia correctly.
2642         (andcosts): Fix the costs for SHmedia constants.
2643         (sh_rtx_costs): Take account of outer_code for SHmedia constants.
2644         * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
2645         (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
2646         (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
2647         (movv4hi_i, movv2si_i): Likewise.
2648         (movsi_const): Adjust the second operand of ior so to match with
2649         the Csu constraint.
2650         (movdi_const, movdi_const_32bit): Likewise.
2651         (movdi_const_16bit+1): Don't sign-extend LOW.
2652         (movdi_const_16bit+2): Likewise.  Remove the zero_extend and truncate
2653         step.
2654         (*double_shori): Fix the split condition.  Use GEN_INT instead
2655         of get_int_mode calls.  Mask lower 16-bit of the argument of
2656         the last GEN_INT.
2657         (sym2GOTPLT): Remove.
2658         (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
2659         gen_rtx_UNSPEC.
2660         * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
2661         instead of EXTRA_CONSTRAINT_C16.
2662
2663 2006-01-07  Ian Lance Taylor  <ian@airs.com>
2664             David Edelsohn  <edelsohn@gnu.org>
2665
2666         PR rtl-optimization/25662
2667         * optabs.c (simplify_expand_binop): Use simplify_binary_operation
2668         for constant operands instead of simplify_gen_binary.
2669         * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
2670         after trying simplify_binary_operation
2671
2672 2006-01-06  Daniel Berlin  <dberlin@dberlin.org>
2673
2674         * tree.c (iterative_hash_expr): Hash decls based on UID.
2675
2676 2006-01-06  Eric Christopher  <echristo@apple.com>
2677
2678         * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
2679         (TARGET_UNWIND_EMIT): Fix spelling.
2680         * target.h (gcc_target): Add except_table_label.
2681         * except.c (output_function_exception_table): Use.
2682         * varasm.c (default_emit_except_table_label): New.
2683         * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
2684         define.
2685         (asm_out): Add here.
2686         * output.h (default_emit_except_table_label): Prototype.
2687         * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
2688         * config/darwin.c (darwin_emit_except_table_label): Define.
2689         * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
2690
2691 2006-01-06  Zdenek Dvorak <dvorakz@suse.cz>
2692
2693         PR tree-optimization/18527
2694         * tree-ssa-loop-niter.c (number_of_iterations_cond,
2695         number_of_iterations_special, number_of_iterations_exit):
2696         Move base and step of an iv to a single structure.  Add
2697         no_overflow flag, and use it in # of iterations analysis.
2698         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
2699         folded_casts argument.
2700         (simple_iv): Pass base and step in a structure.  Set no_overflow
2701         flag.
2702         (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
2703         Evaluate expensiveness of computing # of iterations instead of
2704         the final expression.
2705         * tree-scalar-evolution.h (affine_iv): New structure.
2706         (simple_iv): Declaration changed.
2707         * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
2708         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
2709         find_givs_in_stmt): Changed due to simple_iv change.
2710
2711 2006-01-06  Jeff Law  <law@redhat.com>
2712
2713         PR ada/24994
2714         * tree-cfg.c (bsi_replace): Rename final argument from
2715         PRESERVE_EH_INFO to UPDATE_EH_INFO.  Fix typo in last
2716         change (stmt -> orig_stmt).
2717         * tree-eh.c (verify_eh_throw_stmt_node): New function.
2718         (bsi_remove): Add new argument.  Remove EH information
2719         if requested.
2720         (verify_eh_throw_table_statements): New function.
2721         (bsi_remove): Add new argument REMOVE_EH_INFO.  All callers
2722         updated.
2723         * tree-optimize.c (execute_free_cfg_annotations): Verify
2724         the EH throw statement table after removing annotations.
2725         * except.h (verify_eh_throw_table_statements): Prototype.
2726         * tree-flow.h (bsi_remove): Update prototype.
2727         * tree-vrp.c (remove_range_assertions): Add new argument to
2728         bsi_remove call.
2729         * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
2730         * tree-complex.c (expand_complex_div_wide): Likewise.
2731         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
2732         * tree-tailcall.c (eliminate_tailcall): Likewise.
2733         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
2734         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
2735         * tree-nrv.c (tree_nrv): Likewise.
2736         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
2737         * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
2738         (combine_blocks): Likewise.
2739         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
2740         * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
2741         (cleanup_control_flow): Likewise.
2742         (remove_forwarder_block): Likewise.
2743         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
2744         * tree-sra.c (sra_replace): Likewise.
2745         * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
2746         (forward_propagate_single_use_vars): Likewise.
2747         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
2748         * tree-inline.c (expand_call_inline): Likewise.
2749         * tree-vect-transform.c (vect_transform_loop): Likewise.
2750         * tree-outof-ssa.c (rewrite_trees): Likewise.
2751         * tree-cfg.c (make_goto_expr_edges): Likewise.
2752         (cleanup_dead_labels): Likewise.
2753         (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
2754         (bsi_move_before, bsi_move_after): Likewise.
2755         (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
2756         (tree_redirect_edge_and_branch, tree_split_block): Likewise.
2757
2758 2006-01-06  Andrew Pinski  <pinskia@physics.uc.edu>
2759
2760         PR tree-opt/25528
2761         * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
2762         and IMAGPART_EXPR.
2763         * tree-flow-inline.h (var_can_have_subvars): Handle complex types
2764         on non gimple variables.  Also add checks at the top for decls and
2765         mtags.
2766         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
2767         complex types.
2768         * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
2769         and IMAGPART_EXPR for creating MUST_DEFs.
2770         (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
2771         and NAME_MEMORY_TAG separately from the DECLs.
2772
2773 2006-01-06  Richard Guenther  <rguenther@suse.de>
2774
2775         * tree-dfa.c (mark_new_vars_to_rename): Create stmt
2776         annotation, if necessary.
2777         * tree-ssa-pre.c (create_expression_by_pieces): Remove
2778         redundant calls to update_stmt.
2779         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
2780         Likewise.
2781
2782 2006-01-05  Richard Henderson  <rth@redhat.com>
2783
2784         * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
2785
2786 2006-01-05  Carlos O'Donell  <carlos@codesourcery.com>
2787
2788         * c-typeck.c: Update copyright date.
2789
2790 2006-01-05  Carlos O'Donell  <carlos@codesourcery.com>
2791
2792         * c-typeck.c (build_c_cast): Always warn when casting
2793         from a pointer to an integer of different size, even if
2794         the node was constant.
2795
2796 2006-01-05  Richard Guenther  <rguenther@suse.de>
2797
2798         PR tree-optimization/22555
2799         * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
2800         if one structure field is an array.
2801         * tree-ssa-operands.c (get_expr_operands): Continue scanning
2802         operands even if we found a subvar, but ignore VOPs in this
2803         case.
2804         * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
2805         for renaming.
2806         * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
2807
2808 2006-01-05  Richard Earnshaw  <rearnsha@arm.com>
2809
2810         PR middle-end/24998
2811         * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
2812
2813 2006-01-05  Richard Guenther  <rguenther@suse.de>
2814             Diego Novillo  <dnovillo@redhat.com>
2815
2816         * tree-pass.h (TODO_remove_unused_locals): Define.
2817         * gimple-low.c (expand_var_p, remove_useless_vars,
2818         pass_remove_useless_vars): Remove.  Update all users.
2819         * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
2820         (remove_unused_locals): New function.
2821         * tree-flow.h (remove_unused_locals): Declare.
2822         * passes.c (execute_todo): Call remove_unused_locals if
2823         TODO_remove_unused_locals is set.
2824         * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
2825         * tree-ssa-dce.c (pass_dce): Likewise.
2826         * tree-outof-ssa.c (pass_del_ssa): Likewise.
2827
2828 2006-01-05  Richard Guenther  <rguenther@suse.de>
2829
2830         * tree-flow.h (struct fieldoff): Decompose field to
2831         type, size and decl.
2832         * tree-ssa-alias.c (create_sft): Take type as parameter.
2833         (create_overlap_variables_for): Store type, size and decl
2834         in the fieldoff structure.
2835         * tree-ssa-structalias.c (fieldoff_compare): Adjust users
2836         of struct fieldoff.
2837         (push_fields_onto_fieldstack): Likewise.
2838         (create_variable_info_for): Likewise.  Use offset for the
2839         SFT name if the decl is not available.
2840
2841 2006-01-04  Paul Brook  <paul@codesourcery.com>
2842
2843         * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
2844
2845 2006-01-04  Daniel Berlin  <dberlin@dberlin.org>
2846
2847         * lambda-code.c (can_put_in_inner_loop): Relax
2848         restrictions.
2849         (can_put_after_inner_loop): New function.
2850         (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
2851         (perfect_nestify): Change to make copies and modify uses.
2852
2853 2006-01-04  Richard Henderson  <rth@redhat.com>
2854
2855         Merge from gomp branch:
2856         * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
2857         via integer constant.
2858         (pragma_lex): Remove.
2859         * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
2860         rather than parsing it.
2861         * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
2862         handle_pragma_extern_prefix): Add %< %> quotes.
2863         (registered_pragmas): New.
2864         (c_register_pragma_1): New.
2865         (c_register_pragma): Use it.
2866         (c_register_pragma_with_expansion): Likewise.
2867         (c_invoke_pragma_handler): New.
2868         (init_pragma): Use cpp_register_deferred_pragma directly for
2869         pch_preprocess.
2870         * c-pragma.h (enum pragma_kind): New.
2871         (pragma_handler): New.
2872         (c_invoke_pragma_handler): Declare.
2873         * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
2874         CPP_PRAGMA_EOL.
2875         * c-common.h (c_common_pch_pragma): Update decl.
2876         * Makefile.in (c-parser.o): Update dependencies.
2877         (GTFILES): Add c-pragma.h.
2878         * c-parser.c (struct c_token): Add pragma_kind.
2879         (struct c_parser): Add in_pragma.
2880         (c_lex_one_token): Always initialize keyword and pragma_kind.
2881         Extract data for CPP_PRAGMA.
2882         (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
2883         (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
2884         Don't allow CPP_PRAGMA_EOL if in_pragma.
2885         (c_parser_consume_pragma): New.
2886         (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
2887         (c_parser_skip_to_end_of_parameter): Likewise.
2888         (c_parser_skip_to_end_of_block_or_statement): Likewise.
2889         (c_parser_skip_to_pragma_eol): New.
2890         (c_parser_external_declaration): Handle CPP_PRAGMA.
2891         (c_parser_compound_statement_nostart): Likewise.
2892         (c_parser_statement_after_labels): Likewise.
2893         (c_parser_pragma): New.
2894         (pragma_lex): Likewise.
2895         (c_parser_pragma_pch_preprocess): New.
2896         (c_parser_new): Merge into ...
2897         (c_parse_file): ... here.  Call c_parser_pragma_pch_preprocess.
2898
2899 2006-01-04  Jeff Law  <law@redhat.com>
2900
2901         PR ada/24994
2902         * tree-cfg.c (bsi_replace): Remove the original statement
2903         from the EH throw statement table.
2904
2905 2006-01-04  Jakub Jelinek  <jakub@redhat.com>
2906
2907         * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
2908         make the prototype extern "C" and add throw ().
2909
2910         PR target/25554
2911         * config/i386/i386.md (testqi_ext_3): Ensure len is positive
2912         and pos non-negative and pos + len <= 32.
2913         (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
2914         drop pos + len < HOST_BITS_PER_WIDE_INT test.
2915         (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
2916
2917         PR c/25559
2918         * c-common.c (handle_vector_size_attribute): Reject zero vector size
2919         as well as sizes not multiple of component size.
2920
2921         PR debug/25562
2922         * function.c (instantiate_expr): New function.
2923         (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
2924         walk its DECL_VALUE_EXPR with instantiate_expr.
2925
2926         * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
2927         DW_OP_deref{,_size} if address isn't going to be added.
2928
2929 2006-01-04  Ben Elliston  <bje@au.ibm.com>
2930
2931         * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
2932         * config/fp-bit.c: Likewise.
2933
2934 2006-01-03  Daniel Berlin  <dberlin@dberlin.org>
2935
2936         * dominance.c: Add comment about why we use DFS numbering
2937         of dominance tree.
2938
2939 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
2940             Richard Henderson  <rth@redhat.com>
2941
2942         Merge from gomp-branch:
2943         * varasm.c (assemble_variable): Handle thread-local COMMON data.
2944         * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
2945
2946 2006-01-03  Paolo Bonzini  <bonzini@gnu.org>
2947
2948         PR rtl-optimization/25578
2949         * combine.c (combine_simplify_rtx, force_to_mode): Don't
2950         pass a parameter to simplify_shift_const if changing ASHIFTRT
2951         to LSHIFTRT.
2952
2953 2006-01-03  Adrian Straetling  <straetling@de.ibm.com>
2954
2955         * builtins.c (get_builtin_sync_mem): New function.
2956         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
2957         expand_builtin_lock_test_and_set, expand_builtin_lock_release):
2958         Call get_builtin_sync_mem to generate mem rtx.
2959
2960 2006-01-03  Richard Guenther  <rguenther@suse.de>
2961
2962         PR c/25183
2963         * stmt.c (add_case_node): Make sure to clear overflow flags
2964         from ranges.
2965
2966 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
2967
2968         Merge from gomp-branch.
2969         * config/sparc/sync.md: New file.
2970         * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
2971         UNSPECV_LDSTUB): New constants.
2972         * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
2973         * config/sparc/predicates.md (memory_reg_operand): New predicate.
2974         * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
2975         prototype.
2976
2977 2006-01-03  Roger Sayle  <roger@eyesopen.com>
2978
2979         * combine.c (reg_subword_p): New predicate to test whether the
2980         destination of a set refers to a subword/piece of a register.
2981         (try_combine): Generalize the code to merge the setting of a
2982         pseudo to a constant followed by a set of a subword of that
2983         register to a constant.
2984
2985 2006-01-03  Kazu Hirata  <kazu@codesourcery.com>
2986
2987         * basic-block.h (control_flow_graph): Change the type of
2988         x_label_to_block_map to VEC(basic_block,gc) *.
2989         * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
2990         set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
2991
2992         * tree-ssa-propagate.c (cfg_blocks): Change the type to
2993         VEC(basic_block,heap) *.
2994         (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
2995         ssa_prop_fini): Adjust the uses of cfg_blocks.
2996
2997 2006-01-03  Steven Bosscher  <stevenb.gcc@gmail.com>
2998
2999         * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
3000         COMPONENT_REFs.
3001         * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
3002         hashing trees instead of a pointer hash.
3003         (mem_attrs_htab_eq): Do a deep compare instead of a pointer
3004         compare for MEM_EXPR.
3005
3006         PR rtl-optimization/25130
3007         * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
3008         when comparing MEMs for GCSE
3009
3010 2006-01-03  Ben Elliston  <bje@au.ibm.com>
3011
3012         * targhooks.h (default_decimal_float_supported_p): Declare.
3013         * targhooks.c (default_decimal_float_supported_p): Define.
3014         * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
3015         `default_decimal_float_supported_p'.
3016         * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
3017
3018 2006-01-02  Adam Nemet  <anemet@caviumnetworks.com>
3019
3020         * combine.c (apply_distributive_law <SUBREG>): Check
3021         TRULY_NOOP_TRUNCATION.
3022
3023 2006-01-02  Geoffrey Keating  <geoffk@apple.com>
3024
3025         * dwarf2out.c (have_switched_text_section): Delete.
3026         (have_multiple_function_sections): New.
3027         (have_location_lists): Make 'bool'.
3028         (add_AT_loc_list): Use 'true' not '1'.
3029         (dwarf2out_switch_text_section): Set have_multiple_function_sections.
3030         (output_loc_list): Use have_multiple_function_sections.
3031         (output_ranges): Likewise.
3032         (dwarf2out_begin_function): Set have_multiple_function_sections if
3033         necessary.
3034         (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
3035         Check function_section rather than DECL_SECTION_NAME.
3036         (dwarf2out_finish): Use have_multiple_function_sections.
3037         Don't clear have_location_lists.
3038
3039 2006-01-02  Eric Botcazou  <ebotcazou@adacore.com>
3040             Jan Hubicka  <jh@suse.cz>
3041
3042         * cfglayout.c (fixup_reorder_chain): Remove kludge for the
3043         case of conditional jump jumping to the next instruction.
3044         * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
3045         cases of conditional jump jumping to the next instruction.
3046
3047 2006-01-02  Jan Hubicka  <jh@suse.cz>
3048
3049         * i386.c (*_cost): Add COSTS_N_INSNS.
3050         (ix86_rtx_costs): Do not use COSTS_N_INSNS.
3051
3052 2006-01-02  Paolo Bonzini  <bonzini@gnu.org>
3053
3054         PR target/25259
3055         * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
3056
3057 2006-01-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3058
3059         * config/arm/arm.c (all_fpus): Fix comment typo.
3060         * config/darwin.c: Likewise.
3061         * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
3062         * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
3063         * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
3064
3065 2006-01-01  David Edelsohn  <edelsohn@gnu.org>
3066
3067         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
3068         (rs6000_split_compare_and_swapqhi): New.
3069         * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
3070         (sync_compare_and_swapqhi_internal): New.
3071         * config/rs6000/rs6000-protos.h: Declare.