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1 2006-01-27  Carlos O'Donell  <carlos@codesourcery.com>
2
3         * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
4         for pragma redefine_extname.
5
6 2006-01-27  Jakub Jelinek  <jakub@redhat.com>
7
8         PR target/25864
9         * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10         * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
11         -mno-minimal-toc to previous content.
12         (bispecs): Remove goal.
13         * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
14         * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
15         compatibility aliases on powerpc-*-*gnu*.
16         * config/rs6000/libgcc-ppc-glibc.ver: New file.
17         * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
18         libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
19         (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
20         (ldblspecs): New goal.
21         * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
22         * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
23         _df_to_tf.
24         * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
25         L_sf_to_tf or L_df_to_tf is defined.
26
27 2006-01-27  David Edelsohn  <edelsohn@gnu.org>
28             Alan Modra  <amodra@bigpond.net.au>
29
30         PR target/25864
31         * config/rs6000/linux.h (POWERPC_LINUX): Define.
32         * config/rs6000/linux64.h (POWERPC_LINUX): Define.
33         * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
34         * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
35         * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
36         * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
37         (rs6000_override_options): Initialize rs6000_ieeequad.
38         Initialize TFmode format to ibm_extended_format if not
39         TARGET_IEEEQUAD.
40         (rs6000_handle_option): Accept -mabi= ibmlongdouble and
41         ieeelongdouble.
42         (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
43         (rs6000_return_in_memory): Only return IEEEQUAD in memory.
44         (function_arg_advance): IBM long double passed in two FPRs, not
45         split.
46         (function_arg): IBM long double passed in FPRs.
47         (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
48         (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
49         Only multireg GPR aligned.
50         (rs6000_init_libfuncs): Enable IBM long double functions if not
51         IEEEQUAD.
52         (rs6000_generate_compare): Use IBM long double compare if not
53         TARGET_IEEEQUAD.
54         * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
55         (TARGET_IEEEQUAD): Define.
56         (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
57         not TARGET_IEEEQUAD.
58         * config/rs6000/rs6000.md: Enable TFmode patterns if
59         !TARGET_IEEEQUAD.
60         * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
61         * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
62         and -mlong-double-128 are incompatible.
63         * doc/invoke.texi (-mabi): Collect options together.  Add
64         ibmlongdouble and ieeelongdouble.
65
66 2006-01-27  Richard Sandiford  <richard@codesourcery.com>
67
68         * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
69         opaque type.
70         * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
71         * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
72         (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
73         * rtl.h (rtunion_def): Remove rt_ptr.
74         (X0PTR): Delete.
75         (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
76         (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
77         * config/i386/winnt.c (i386_pe_mark_dllexport)
78         (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
79
80 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
81
82         * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
83
84 2006-01-26 Alexandre Oliva  <aoliva@redhat.com>
85
86         PR other/24829
87         PR target/24831
88         * gthr-dce.h: Do not gthrw-ify pthread_once_init,
89         pthread_key_delete.  From John David Anglin.  gthrw-ify
90         pthread_getunique_np only if it it's not a macro.  Delete
91         UNUSED macro.
92         (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
93         __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
94         __gthread_objc_condition_signal, __gthread_key_delete): Add
95         "__attribute__ ((__unused__))" to unused arguments.
96         (__gthread_recursive_mutex_init_function): Add missing return.
97         * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
98         gthr-posix95.h: Use macro-based approach for name redirection
99         on targets missing weakref.
100
101 2006-01-26  Zack Weinberg  <zackw@panix.com>
102
103         * genconditions.c (write_header): In generated code, #ifdef out
104         all includes and fake declarations, except includes of bconfig.h
105         and system.h, unless GCC_VERSION >= 3001.  Do not include
106         gensupport.h in any case.
107         (write_conditions): Generate a definition of struct c_test.  Add
108         a comment to the generated #endif.
109         (write_one_condition): Escape backslashes in string too.
110         (write_writer): Generated code must escape backslashes and quote
111         marks (but not newlines) in the strings it writes.
112         * Makefile.in (build/gencondmd.o): Update dependencies.
113
114 2006-01-26  Steve Ellcey  <sje@cup.hp.com>
115
116         PR target/25961
117         * Makefile.in (insn-automata.o): Add header file dependencies.
118         * genautomata.c: Add includes.
119
120 2006-01-26  Steve Ellcey  <sje@cup.hp.com>
121
122         PR target/25961
123         * Makefile.in (insn-automata.o): Add -Wno-error flag.
124
125 2006-01-26  Paolo Bonzini  <bonzini@gnu.org>
126
127         * configure.ac: Expect target tools paths to be passed from the toplevel
128         and wrap the detection into AS_SET_VAR_IF.  Extract side-effects out of
129         AS_SET_VAR_IF.
130         * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
131
132 2006-01-26  Alexandre Oliva  <aoliva@redhat.com>
133
134         PR c/25892
135         * c.opt (Wpointer-sign): Init to -1.
136         * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
137         OPT_pedantic, to 0 otherwise.
138         * doc/invoke.texi: Update.
139
140 2006-01-26  Paolo Bonzini  <bonzini@gnu.org>
141
142         * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
143         constants provided by 80387 instructions in the destination mode.
144
145 2006-01-26  Richard Guenther  <rguenther@suse.de>
146             Andrew Pinski  <pinskia@physics.uc.edu>
147
148         PR tree-opt/21470
149         partial PR tree-opt/17064
150         * tree-ssa-structalias.c (intra_create_variable_infos):
151         Create heap variables for incoming parameters if
152         flag_argument_noalias > 1.
153         (find_what_p_points_to): Look through default defs of
154         parameter decls.
155
156 2006-01-26  Jeff Law  <law@redhat.com>
157
158         PR ada/25900
159         * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
160         with a VR_ANTI_RANGE and the VR_ANTI_RANGEis completely contained
161         within the VR_RANGE, use the VR_RANGE as the result, not the
162         VR_ANTI_RANGE.
163         (adjust_range_with_scev): Reject ranges from SCEV which are out
164         of bounds for the type.
165
166 2006-01-26  Daniel Berlin  <dberlin@dberlin.org>
167
168         * tree-ssa-alias.c (maybe_create_global_var): Change
169         subvar walking to an assertion that we don't have subvar'd variables.
170
171 2006-01-26  Andrew Pinski  <pinskia@physics.uc.edu>
172
173         PR C/25861
174         * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
175         Use a new variable, inner.  PARM_DECLs are always non-weak.
176
177 2006-01-26  Shantonu Sen  <ssen@opendarwin.org>
178
179         * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
180         --disable-checking.
181
182 2006-01-26  Adam Nemet  <anemet@caviumnetworks.com>
183
184         * config/mips/mips.md (*clear_upper32): New combiner pattern.
185
186 2006-01-26  Richard Earnshaw  <richard.earnshaw@arm.com>
187
188         * arm.md (smaxsi3, sminsi3): Convert to define_expand.
189         (smax_insn, smin_insn, smax_0, smin_0): New.
190
191 2006-01-26  Hans-Peter Nilsson  <hp@axis.com>
192
193         PR target/25947
194         * config/cris/cris.c (cris_order_for_addsi3): New function.
195         * config/cris/cris-protos.h: Prototype it.
196         * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
197         (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
198         (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
199         (split for "op.S1 [rx=rx+i],ry (swapped)")
200         (split for "op(s|u).S1 [rx=rx+i],ry")
201         (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
202         Apply cris_order_for_addsi3 when generating addsi3 insns.
203
204 2006-01-25  Diego Novillo  <dnovillo@redhat.com>
205
206         * tree.h (TREE_RANGE_CHECK): Fix range predicate.
207         (TREE_BLOCK): Add call to EXPR_CHECK.
208
209 2006-01-25  Diego Novillo  <dnovillo@redhat.com>
210
211         PR 25886
212         * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
213         * tree-pretty-print.c (dump_omp_clause): Extract from ...
214         (dump_omp_clauses): ... here.
215         (dump_generic_node): Handle OMP_CLAUSE.
216         * tree.c (omp_clause_num_ops): New.
217         (omp_clause_code_name): New.
218         (tree_code_size): Handle OMP_CLAUSE.
219         (tree_size): Likewise.
220         (make_node): Document handling of OMP_CLAUSE.
221         (tree_node_structure): Handle OMP_CLAUSE.
222         (omp_clause_check_failed): New.
223         (omp_clause_range_check_failed): New.
224         (omp_clause_operand_check_failed): New.
225         (build_omp_clause): New.
226         (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
227         * tree.h (enum omp_clause_code): Declare.
228         (OMP_CLAUSE_SUBCODE_CHECK): Define.
229         (OMP_CLAUSE_RANGE_CHECK): Define.
230         (OMP_CLAUSE_ELT_CHECK): Define.
231         (omp_clause_check_failed): Declare.
232         (omp_clause_operand_check_failed): Declare.
233         (omp_clause_range_check_failed): Declare.
234         (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
235         (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
236         (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
237         (OMP_CLAUSE_LASTPRIVATE): Likewise.
238         (OMP_CLAUSE_IF_EXPR): Likewise.
239         (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
240         (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
241         (OMP_CLAUSE_REDUCTION_CODE): Likewise.
242         (OMP_CLAUSE_REDUCTION_INIT): Likewise.
243         (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
244         (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
245         Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
246         (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
247         (OMP_CLAUSE_DEFAULT_KIND): Likewise.
248         (OMP_CLAUSE_CODE): Define.
249         (OMP_CLAUSE_SET_CODE): Define.
250         (OMP_CLAUSE_CODE): Define.
251         (OMP_CLAUSE_OPERAND): Define.
252         (struct tree_omp_clause): Declare.
253         (union tree_node): Add field 'omp_clause'.
254         * treestruct.def (TS_OMP_CLAUSE): Define.
255         * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
256         OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
257         OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
258         OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
259         OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
260         OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
261         (OMP_CLAUSE): Define.
262         * print-tree.c (print_node): Handle OMP_CLAUSE.
263         * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
264         * c-typeck.c: Likewise.
265         * gimplify.c: Likewise.
266         * c-omp.c: Likewise.
267         * tree-nested.c: Likewise.
268         * tree-inline.c: Likewise.
269         * c-parser.c: Likewise.
270         * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
271         clauses.
272
273 2006-01-25  Roger Sayle  <roger@eyesopen.com>
274
275         PR rtl-optimization/25703
276         * combine.c (try_combine): Handle zero_extract and strict_low_part
277         of non-lowpart SUBREGs for constant reg_subword_p set optimization.
278
279 2006-01-25  Peter Bergner  <bergner@vnet.ibm.com>
280
281         * global.c: Fix comment typos.
282
283 2006-01-25  Andrew Pinski  <pinskia@physics.uc.edu>
284
285         PR target/25758
286         * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
287         Use output_addr_const instead of assemble_name.
288
289 2006-01-25  Paolo Bonzini  <bonzini@gnu.org>
290
291         * Makefile.in (sched-vis.o): Update dependencies.
292         * haifa-sched.c (sched_finish): Clear current_sched_info.
293         * cfg.c (dump_bb_info): New, split from dump_flow_info.
294         (dump_flow_info): Call it.
295         * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
296         a slim RTL dump.
297         * basic-block.h (dump_bb_info): Declare.
298         * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
299         option, and apply options only for dump files whose TDF_RTL,
300         TDF_TREE, or TDF_IPA bits match.
301         * rtl.h: Declare new functions exported from sched-vis.c.
302         * sched-vis.c: Enable also if scheduling is not used.
303         (print_value): Print the mode of registers if not inside scheduling.
304         (print_insn): Make it work outside the scheduler.  Beautify the output
305         a bit.
306         (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
307
308 2006-01-25  Richard Sandiford  <richard@codesourcery.com>
309
310         * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
311         * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
312         a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
313         depending on the value of CONSTANT_POOL_ADDRESS_P.
314         * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
315         SYMBOL_REF_DECL.
316         * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
317         rather than SYMBOL_REF_DECL.
318         (rtx_constant_pool): Remove const_rtx_sym_htab.
319         (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
320         (init_varasm_status): Don't initialize const_rtx_sym_htab.
321         (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
322         Remove handling of const_rtx_sym_htab.
323         (find_pool_constant): Delete.
324         (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
325         rather than find_pool_constant.
326         (get_pool_constant_for_function): Delete.
327         (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
328         find_pool_constant.
329         * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
330         (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
331         (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
332         (SYMBOL_REF_CONSTANT): New macro.
333         (get_pool_constant_for_function): Delete.
334         * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
335         rather than SYMBOL_REF_DECL.
336         (i386_pe_mark_dllimport): Likewise.
337         * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
338         rather than SYMBOL_REF_DECL.
339         * config/darwin.c (machopic_indirect_data_reference): Likewise.
340         (machopic_indirect_call_target): Likewise.
341
342 2006-01-25  Eric Botcazou  <ebotcazou@adacore.com>
343
344         * flow.c (delete_noop_moves): Add missing EOL to dump message.
345
346 2006-01-25  Richard Sandiford  <richard@codesourcery.com>
347
348         * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
349
350 2006-01-25  Kaz Kojima  <kkojima@gcc.gnu.org>
351
352         * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
353
354 2006-01-24  David Daney  <ddaney@avtrex.com>
355
356         PR java/25816
357         * configure.ac (enable_tls): New enable option.
358         (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
359         * configure: Regenerate.
360         * doc/install.texi (--enable-tls): Document new option.
361         (--disable-tls): Ditto.
362
363 2006-01-24  Richard Henderson  <rth@redehat.com>
364
365         * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
366         * alias.c (true_dependence): Respect it.
367         (canon_true_dependence, write_dependence_p): Likewise.
368         * builtins.c (get_builtin_sync_mem): Set it.
369
370 2006-01-25  Zdenek Dvorak <dvorakz@suse.cz>
371
372         * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
373         efficient way.
374
375 2006-01-24  DJ Delorie  <dj@redhat.com>
376
377         * expmed.c (store_bit_field): Don't arbitrarily deny using insv
378         for storing constants in single-bit bitfields.
379
380 2006-01-25  Ben Elliston  <bje@au.ibm.com>
381
382         * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
383
384 2006-01-24  Andrew Pinski  <pinskia@physics.uc.edu>
385
386         PR tree-opt/25860
387         * tree-ssa-pre.c (phi_translate): Return NULL
388         for AGGREGATE_TYPE's.
389
390 2006-01-24  Zack Weinberg  <zackw@panix.com>
391
392         * genautomata.c (process_state_for_insn_equiv_partition):
393         Use xcalloc for insn_arcs_array.
394         * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
395         (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
396
397 2006-01-24  Richard Henderson  <rth@redhat.com>
398
399         * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
400         update all callers.
401
402 2006-01-23  Paolo Bonzini  <bonzini@gnu.org>
403
404         PR rtl-optimization/25890
405         PR rtl-optimization/25905
406         * combine.c (expand_compound_operation, expand_field_assignment):
407         Fail if the bitfield's final position is out of bounds.
408
409 2006-01-24  Ian Lance Taylor  <ian@airs.com>
410
411         PR middle-end/25930
412         * cgraphunit.c (cgraph_output_in_order): Don't clear
413         cgraph_asm_nodes until after asm strings have been output.
414
415 2006-01-23  Adam Nemet  <anemet@caviumnetworks.com>
416
417         * fix-header.c (read_scan_file): Add new parameter imultilib when
418         calling register_include_chains.
419
420 2006-01-23  Diego Novillo  <dnovillo@redhat.com>
421
422         * omp-low.c: Update documentation.
423
424 2006-01-23  Andrew Pinski  <pinskia@physics.uc.edu>
425             Daniel Berlin  <dberlin@dberlin.org>
426
427         PR tree-opt/25315
428         PR tree-opt/25857
429         * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
430         return from the function.
431
432 2006-01-22  Zack Weinberg  <zackw@panix.com>
433
434         * rtl.def (match_code): Add second argument.
435         * genpreds.c (write_extract_subexp): New function.
436         (write_match_code): Add path argument.  Use write_extract_subexp.
437         (write_predicate_expr): Pass path to write_match_code.
438         (mark_mode_tests): MATCH_CODE applied to a subexpression does
439         not perform a mode test.
440         * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
441         a subexpression does not constrain the top-level code set.
442         * read-rtl.c (read_rtx_variadic): New function.
443         (read_rtx_1): Use it; allow AND and IOR to be variadic.
444         * doc/md.texi: Document new notation.
445         * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
446         (cmpsi_operand): ... here, using new notation.
447
448 2006-01-22  Zack Weinberg  <zackw@panix.com>
449
450         * varray.c: Remove GENERATOR_FILE #ifdefs.
451
452 2006-01-22  Zack Weinberg  <zackw@panix.com>
453
454         * genautomata.c (output_reserved_units_table): Emit nothing if
455         description->query_units_num is zero.  Remove extra blank line.
456         (output_cpu_unit_reservation_p): Short circuit
457         if description->query_units_num is zero.
458
459 2006-01-22  Zack Weinberg  <zackw@panix.com>
460
461         * genattrtab.c: Don't include genattrtab.h.  Define ATTR_NONE
462         and ATTR_SPECIAL (from genattrtab.h).  Don't define num_dfa_decls
463         nor any of the random handful of variables that used to be necessary
464         when this program was linked with rtlanal.o.  Prune set of forward
465         function declarations.
466         (struct attr_desc): Remove static_p field.
467         (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
468         (check_attr_test, make_internal_attr, make_numeric_value): Make static.
469         (attr_string): Do not read the character one past the length of
470         the string.
471         (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
472         (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
473         (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
474         (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
475         (make_automaton_attrs): New.
476         (main): Do not call into genautomata.  Call local gen_bypass
477         and gen_insn_reserv as appropriate.  Call make_automaton_attrs.
478         Remove special case for insn_alts.
479         * genautomata.c: Include gensupport.h; not genattrtab.h nor
480         varray.h (leftover from previous change).  Prune set of forward
481         function declarations.  Remove state_alts fields from all
482         structures.  Remove state_alts_table from struct automaton.
483         Make everything except main static.  Do not maintain num_dfa_decls.
484         Do not maintain state_alts fields of various structures.
485         (process_decls): Don't validate condexp for dm_insn_reserv decls.
486         (add_arc): Remove state_alts argument.  All callers updated.
487         (output_reserved_units_table): Emit #ifdef here...
488         (output_tables): ...not here.  Don't generate state_alts tables.
489         (expand_automata): Don't generate attributes.
490         (write_automata): Don't generate state_alts functions.
491         (main): New function.
492         (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
493         (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
494         (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
495         (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
496         (BYPASS_P_FUNC_NAME, output_state_alts_table)
497         (output_automata_list_state_alts_code, output_internal_state_alts_func)
498         (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
499         (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
500         Delete.
501         * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
502         * genattrtab.h: Delete file.
503         * Makefile.in (OBJS-common): Add insn-automata.o.
504         (insn-automata.o): New rule.
505         (simple_generated_c): Add insn-automata.c.
506         (build/genattrtab.o, build/genautomata.o): Update dependencies.
507         (genprogmd): Add automata.
508         (build/genattrtab): Needs no extra objects nor libraries.
509         (build/genautomata): Needs build/vec.o and -lm.
510
511 2006-01-22  Zack Weinberg  <zackw@panix.com>
512
513         * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
514         (output_dfa_max_issue_rate, locked_states_num): Delete.
515         (struct automaton): Add locked_states field.
516         (output_dead_lock_vect): Save number of locked states in
517         automaton->locked_states.  If it is zero, don't print anything.
518         (output_max_insn_queue_index_def): Define max_insn_queue_index const.
519         (output_internal_dead_lock_func): Only test the dead_lock_vect
520         for automata that have locked states.
521         (output_statistics): Always print the number of locked states for
522         each automaton.  Calculate total number of locked states here.
523         (write_automata): Don't call output_dfa_max_issue_rate.
524         * genattrtab.c: Define length_unit_log as a const variable.
525         * genattr.c: Don't emit MAX_DFA_ISSUE_RATE.  Declare
526         max_insn_queue_index const.
527         * final.c (length_unit_log): Declare const.
528         * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
529
530 2006-01-22  Zack Weinberg  <zackw@panix.com>
531
532         * genautomata.c:  Include vec.h, not varray.h.
533         Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
534         VLA_HWINT_ macros.  Change vla_hwint_t to a typedef for
535         VEC(vect_el_t,heap) *.  Convert all uses of VLA_* macros to
536         VEC_* macros operating on appropriately typed vectors, or to
537         malloced arrays when the size is known in advance.  Const-ify
538         many char* variables and function arguments.  No functional changes.
539         * Makefile.in (build/varray.o): Delete rule.
540         (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
541         (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
542
543 2006-01-22  Zack Weinberg  <zackw@panix.com>
544
545         * gensupport.c: Define get_insn_name and record_insn_name here.
546         (read_md_rtx): Call record_insn_name as appropriate.
547         * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
548         * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
549         * genpreds.c, genrecog.c: Don't define get_insn_name nor
550         record_insn_name.
551         * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
552         (BUILD_VARRAY): Delete.
553         (genprognormal): Rename genprogmd.  Fold in all programs from
554         genprognoprint; also attrtab.
555         (build/genattrtab): Just mention genautomata.o and varray.o.
556         Reorganize a bit, add comments to make the categories clearer.
557
558 2006-01-22  Zack Weinberg  <zackw@panix.com>
559
560         * genconditions.c (condition_table, add_condition): Delete.
561         (write_conditions): Don't emit n_insn_conditions nor
562         insn_elision_unavailable.  Issue the gcc version #ifdef here,
563         inside the table, with no #else clause ...
564         (write_header): ...not here.
565         (write_writer): New function.
566         (main): Don't initialize condition_table.  Use add_c_test.
567         Call write_writer.
568         * gensupport.c (init_md_reader_args_cb): Handle multiple input
569         files on the command line.
570         (maybe_eval_c_test): Don't check insn_elision_unavailable.
571         Return -1 if there is no entry in the table, don't abort.
572         (add_c_test, traverse_c_tests): New functions.
573         * gensupport.h (insn_elision_unavailable, insn_conditions)
574         (n_insn_conditions): Delete declarations.
575         (add_c_test, traverse_c_tests): Declare.
576         * read-rtl.c: Include gensupport.h.
577         (read_conditions): New function.
578         (read_rtx): If read_rtx_1 returns 0, treat as EOF.
579         (read_rtx_1): If we get EOF when we were looking for an initial
580         open paren, return 0.  Call read_conditions when appropriate.
581         * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
582         dummy-conditions.o.  Eliminate references to insn-conditions.o,
583         or change them to build/gencondmd.o, as appropriate.  Remove
584         insn-constants.h from $(simple_generated_h) and insn-conditions.c
585         from $(simple_generated_c).  For all files remaining in those
586         two lists, add insn-conditions.md to the generator command line.
587         Give insn-constants.h/s-constants their own rules.  Add rules
588         for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
589         (build/read-rtl.o): Depend on gensupport.h.
590         (genprognormal): Include preds.
591         (genprogearly): Rename genprognoprint; only difference is now that
592         they don't link with $(BUILD_PRINT).
593         * dummy-conditions.c: Delete.
594
595 2006-01-22  Zack Weinberg  <zackw@panix.com>
596
597         * genextract.c: Don't include insn-config.h.  Do include vec.h.
598         Declare vectors of int, char, and locstr.
599         (locstr): New typedef.
600         (struct extraction): Make all array fields into bare pointers.
601         (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
602         (insn_code_number): Delete.
603         (accum_extract): New struct.
604         (VEC_safe_set_locstr, VEC_char_to_string): New functions.
605         (gen_insn): Take insn_code_number as an argument.  Use an
606         accum_extract structure instead of loading data directly into
607         a struct extraction, and having to know how big it might get.
608         (walk_rtx): Operate entirely on an accum_extract structure.
609         (print_path): Avoid unnecessary use of printf.
610         (print_header): New function, split out of main.  Distinguish
611         more carefully between an unrecognizable insn and an insn that
612         has the code number of a define_expand.
613         (main): Pass insn_code_number to gen_insn.  Call print_header
614         only after parsing.  Avoid unnecessary use of printf.
615         * Makefile.in (build/vec.o): New rule.
616         (build/genextract): Depend on build/vec.o.
617         (build/genextract.o): Don't depend on insn-config.h.
618
619 2006-01-22  Zack Weinberg  <zackw@panix.com>
620
621         * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
622         $(RUN_GEN).  Use pattern rules to factor out as much boilerplate as
623         practical.  Eliminate per-generator-program link rules.
624
625 2006-01-23  Andrew Pinski  <pinskia@physics.uc.edu>
626
627         PR middle-end/24437
628         * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
629         with a call expr to ...
630         * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
631
632 2006-01-23  Richard Guenther  <rguenther@suse.de>
633
634         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
635         before make_edge with conditional EDGE_TRUE_VALUE.
636
637 2006-01-23  Steven Bosscher  <stevenb.gcc@gmail.com>
638         Jan Hubicka  <jh@suse.cz>
639         Richard Guenther  <rguenther@suse.de>
640
641         PR rtl-optimization/25654
642         * cfgexpand.c (aggregate_contains_union_type): New function.
643         (add_alias_set_conflicts): Call it.  Make sure to add conflicts
644         for structure variables that contain a union type.
645
646 2006-01-23  Richard Sandiford  <richard@codesourcery.com>
647
648         * gengtype.c (new_structure): Return the structure.
649         (create_option): Add an extra "next" argument.
650         (create_field): New function.
651         (adjust_field_rtx_def): Use create_option and create_field.
652         Remove a now-unnecessary call to find_structure.
653         (adjust_field_tree_def): Likewise.
654         (note_yacc_type): Remove an unnecessary call to find_structure.
655         * gengtype.h (new_structure): Return the structure.
656         (create_option): Add an extra argument.
657         * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
658         (option): Adjust calls to create_option.
659
660 2006-01-22  David Edelsohn  <edelsohn@gnu.org>
661
662         * config/rs6000/aix.h (STACK_BOUNDARY): Define.
663
664 2006-01-22  Paul Brook  <paul@codesourcery.com>
665         Peter Barada  <peter@the-baradas.com>
666
667         * config/m68k/m68k.md: Add Coldfire FPU support.
668         Define FP mode macro and associated attributes.
669         Use it for float mode patterns.
670         * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
671         (LIBCALL_VALUE): Use m68k_libcall_value.
672         * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
673         (m68k_function_value): Ditto.
674         (emit_move_sequence): Ditto.
675         * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
676         * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
677         * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
678         (MULTILIB_EXCEPTIONS): Ditto.
679         * config/m68k/m68k.opt: Add mcfv4e.
680         * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
681         (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
682         (m68k_output_function_prologue): Save ColdFire FPU registers.
683         (m68k_output_function_epilogue): Restore ColdFire FPU registers.
684         (force_mode, fp_reg_operand, emit_move_sequence): New functions.
685         (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
686         ColdFire FPU registers.
687         (m68k_libcall_value, m68k_function_value): New functions.
688         * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
689         (LIBCALL_VALUE): Use m68k_libcall_value.
690         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
691         (MASK_COLDFIRE): Add MASK_CFV4E.
692         (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
693         (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
694         (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
695         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
696         (GO_IF_LEGITIMATE_ADDRESS): Use it.
697         (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
698         * doc/invoke.tex: Document -mcfv4e on m68k.
699
700 2006-01-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
701
702         * doc/contribute.texi: Change CVS to SVN and update the corresponding
703         URL.
704
705 2006-01-21  Gabriel Dos Reis  <gdr@integrable-solutions.net>
706
707         PR c++/16190
708         * c-opts.c (c_common_handle_option): Don't include
709         -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
710         * doc/invoke.texi (C++ Dialect Options): Document that
711         -Wnon-virtual-dtor is no longer included in -Wall.
712
713 2006-01-21  Joseph S. Myers  <joseph@codesourcery.com>
714
715         * gcov.c (print_version), gcov-dump.c (print_version),
716         mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
717         dates.
718
719 2006-01-21  Kenneth Zadeck <zadeck@naturalbridge.com>
720
721         * df-scan.c (problem_SCAN): Added NULL reset function.
722         (df_scan_reset_blocks): Added code to call reset block function
723         (df_bb_refs_delete) Fixed comment.
724         (df_insn_refs_delete): Made tolerant of deleting non existent info
725         for dataflow problems that need to be reset.
726         * df-core.c (df_set_blocks): Ditto.
727         * df.h (struct df_problem): Added reset_fun.
728         * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
729         problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
730         (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
731         functions to clear out all references to def-use or use-def chains.
732
733 2006-01-21  Ben Elliston  <bje@au.ibm.com>
734
735         * varasm.c (assemble_real): Initialise data array.
736
737 2006-01-20  Paul Brook  <paul@codesourcery.com>
738
739         Merge from csl-arm-branch.
740         2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
741         * config/arm/arm.md (movdi): Force operands[1] to a register
742         if we have a non-register source.
743         (*arm_movdi, *movdf_soft_insn): Require that one of the
744         operands be a register.
745         * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
746         * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
747
748 2006-01-20  DJ Delorie  <dj@redhat.com>
749
750         * varasm.c (initialize_constant_valid_p): Allow pointers
751         initialized from integer constants of lesser precision.
752         (output_constant): Allow non-int-sized pointer modes to be
753         initialized from integer constants.
754
755 2006-01-20  Joseph S. Myers  <joseph@codesourcery.com>
756
757         PR libstdc++/25524
758         * cppdefault.h (struct default_include): Add multilib flag.
759         * cppdefault.c (cpp_include_defaults): Set it.
760         * c.opt (-imultilib): New option.
761         * c-opts.c (imultilib): New.
762         (c_common_handle_option): Handle -imultilib.
763         (c_common_post_options): Likewise.
764         * c-incpath.c (add_standard_paths, register_include_chains):
765         Likewise.
766         * c-incpath.h (register_include_chains): Add extra parameter.
767         * gcc.c (do_spec_1): Generate -imultilib option.
768         (The Specs Language): Update %I description.
769         (process_command): Update copyright notice.
770         * doc/cppopts.texi (-imultilib): Document.
771         * doc/invoke.texi (-imultilib): Include in option summary.
772         (%I): Update specs documentation.
773
774 2006-01-20  Zdenek Dvorak <dvorakz@suse.cz>
775
776         * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
777
778 2006-01-20  Richard Sandiford  <richard@codesourcery.com>
779
780         * stmt.c (case_bit_test_cmp): Stabilize the sort using code
781         label numbers.
782
783 2006-01-20  Richard Guenther  <rguenther@suse.de>
784         Steven Bosscher <stevenb.gcc@gmail.com>
785
786         PR rtl-optimization/24626
787         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
788         EDGE_TRUE_VALUE if in RTL mode.
789
790         Revert
791         2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
792         * cfgrtl.c (rtl_verify_flow_info_1): Fix.
793
794 2006-01-20  Dirk Mueller  <dmueller@suse.com>
795
796         PR c++/5520
797         * c-parser.c (c_parser_if_body): Use build_empty_stmt()
798         instead of a special NOP marker.
799         * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
800         NOP marker handling.
801         * c-common.h (empty_body_warning): Add forward declaration.
802         * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
803         Now uses IS_EMPTY_STMT() instead of special NOP markers.
804
805 2006-01-20  Paul Brook  <paul@codesourcery.com>
806
807         * Makefile.in (lang_checks): Keep going if mkdir fails.
808
809 2006-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
810
811         * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
812         be able to clean out basic block when not necessary.
813         (df_scan_free): Fixed to properly delete information if df is
814         unused before calling df_finish.
815         (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
816         df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
817         or comment typos.
818         (df_bb_refs_delete): New function.
819         (df_refs_delete): Moved per block code to df_bb_refs_delete.
820         * df-core.c (df_set_blocks): Added code to properly clean out
821         unused blocks if they are not part of the blocks to consider.
822         Added additional null check.
823         (df_compact_blocks): Added basic block parameter to free_bb_fun to
824         be able to clean out basic block when not necessary
825         * df.h (df_free_bb_function): Ditto.
826         (df_bb_refs_delete): New function.
827         * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
828         df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
829         basic block parameter to be able to clean out basic block when not
830         necessary.
831         (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
832         (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
833         Fixed to properly delete information if df is unused before
834         calling df_finish.
835
836 2006-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
837
838         PR rtl-optimization/25799
839         * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
840         Corrected confluence operator to remove bits from op2 before oring
841         with op1 rather than removing bits from op1.
842         (df_ru_transfer_function): Corrected test on wrong bitmap which
843         caused infinite loop.  Both of these problems were introduced in
844         the dataflow rewrite.
845
846 2006-01-19  DJ Delorie  <dj@redhat.com>
847
848         * reload1.c (find_reload_regs): Note the details of reload
849         failures in the dump file.
850         (spill_failure): Likewise.
851
852 2006-01-20  Zdenek Dvorak <dvorakz@suse.cz>
853
854         * loop-iv.c: Include df.h and hashtab.h.
855         (enum iv_grd_result): New enum.
856         (DF_REF_IV, DF_REF_IV_SET): New macros.
857         (struct biv_entry): New.
858         (df, bivs): New global variables.
859         (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
860         assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
861         Removed.
862         (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
863         iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
864         analyzed_for_bivness_p, record_biv): New functions.
865         (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
866         get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
867         iv_analyze, biv_p, iv_analysis_done): Work with df representation of
868         UD chains.
869         (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
870         analysed.
871         (iv_number_of_iterations): Use new interface to iv analysis.
872         * loop-unroll.c: Do not include varray.h.
873         (analyze_iv_to_split_insn): Use new interface to iv
874         analysis.
875         * loop-unswitch.c (may_unswitch_on): Ditto.
876         * df.c (df_bitmaps_free): Only work for bbs for that structures are
877         allocated.
878         (df_bb_modify): Realloc tables to the new index.
879         (df_find_use): New function.
880         * df.h (df_find_use): Declare.
881         * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
882         outmode.
883         * cfgloop.h (struct rtx_iv): Remove analysed field.
884         (iv_get_reaching_def): Removed.
885         (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
886         * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
887         (loop-iv.o): Add df.h and hashtab.h dependency.
888         * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
889
890 2006-01-20  Alan Modra  <amodra@bigpond.net.au>
891
892         * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
893         Double TFmode.
894         (__floatundisf, __floatundidf): Likewise.
895         * libgcc2.h (IS_IBM_EXTENDED): Define.
896
897 2006-01-19  DJ Delorie  <dj@redhat.com>
898
899         * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
900
901 2006-01-19  Paul Brook  <paul@codesourcery.com>
902
903         * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
904         as nothrow when unwinding tables are disabled.
905
906 2006-01-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
907
908         PR testsuite/25171
909         * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
910         of bit-field" when in system header.
911
912 2006-01-19  DJ Delorie  <dj@redhat.com>
913
914         * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
915         the 16 bit shift limit of the m16c.
916
917 2006-01-19  Andrew Pinski  <pinskia@physics.uc.edu>
918
919         PR target/22099
920         * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
921         * config/i386/i386.c (output_set_got): Output the label if we have one
922         for the TARGET_DEEP_BRANCH_PREDICTION case.
923
924 2006-01-19  Jan Hubicka  <jh@suse.cz>
925             H.J. Lu  <hongjiu.lu@intel.com>
926             Evandro Menezes <evandro.menezes@amd.com>
927
928         * invoke.texi (generic): Document
929         (i686) Update.
930         * config.gcc: Make x86_64-* and i686-* default to generic tunning.
931         * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
932         TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
933         (x86_use_incdec, x86_pad_returns): New variables
934         (TARGET_CPU_DEFAULT_generic): New constant
935         (TARGET_CPU_DEFAULT_NAMES): Add generic.
936         (enum processor_type): Add generic32 and generic64.
937         * i386.md (cpu attribute): Add generic32/generic64
938         (movhi splitter): Behave sanely when both partial_reg_dependency and
939         partial_reg_stall are set.
940         (K8 splitters): Enable for generic as well.
941         * predicates.md (incdec_operand): Use TARGET_INCDEC
942         (aligned_operand): Avoid memory mismatch stalls.
943         * athlon.md: Enable for generic64, new patterns for 128bit moves.
944         * ppro.md: Enable for generic32
945         * i386.c (generic64_cost, generic32_cost): New.
946         (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
947         (x86_use_leave): Enable for generic64.  (x86_use_sahf,
948         x86_ext_80387_constants): Enable for generic32.  (x86_push_memory,
949         x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
950         x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
951         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
952         x86_partial_reg_dependency, x86_memory_mismatch_stall,
953         x86_accumulate_outgoing_args, x86_prologue_using_move,
954         x86_epilogue_using_move, x86_arch_always_fancy_math_387,
955         x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
956         Enable for generic.
957         (x86_use_incdec, x86_pad_returns): New.
958         (override_options): Add generic32 and generic64, translate "generic"
959         to generic32/generic64 and "i686" to "generic32", refuse
960         "generic32"/"generic64" as arch target.
961         (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
962         (ix86_reorg): Honor PAD_RETURNS.
963
964 2006-01-19  Diego Novillo  <dnovillo@redhat.com>
965
966         * tree-pretty-print.c (dump_generic_node): Handle
967         OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
968         * cgraph.c (cgraph_expand_queue): Rename from
969         cgraph_analyze_queue.  Update all users.
970         * cgraphunit.c (cgraph_assemble_pending_functions): Process
971         cgraph_expand_queue.
972         (cgraph_expand_all_functions): Likewise.
973         (cgraph_finalize_pending_functions): Remove.  Update callers.
974
975         * tree.h (OMP_DIRECTIVE_P): Define.
976         (OMP_PARALLEL_FN): Define.
977         (OMP_PARALLEL_DATA_ARG): Define.
978         (OMP_SECTIONS_SECTIONS): Define.
979         * tree-pass.h (pass_expand_omp): Declare.
980         * omp-low.c (struct omp_region): Declare.
981         (struct omp_context): Remove fields 'parallel_type',
982         'parallel_start_ix' and 'parallel_start_additional_args'.
983         Update all users.
984         (struct omp_for_data): Rename from struct expand_omp_for_data.
985         (omp_regions): New static variable.
986         (root_omp_region): New static variable.
987         (find_omp_clause): Make static.
988         (is_in_combined_parallel_ctx): Remove.
989         (is_combined_parallel): New.
990         (extract_omp_for_data): Move earlier in the file.
991         (workshare_safe_to_combine_p): New.
992         (get_ws_args_for): New.
993         (determine_parallel_type): Move earlier in the file.
994         (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
995         child function.
996         (omp_copy_decl): Likewise.
997         (create_omp_child_function): Likewise.
998         (lookup_omp_region): New.
999         (dump_omp_region): New.
1000         (debug_omp_region): New.
1001         (debug_all_omp_regions): New.
1002         (new_omp_region): New.
1003         (scan_omp_parallel): If parallel_nesting_level > 1, the
1004         directive is nested within another parallel directive.
1005         Set OMP_PARALLEL_FN.
1006         (scan_omp_for): Do not try to handle combined parallel+for
1007         cases.
1008         Remove FIXME comment.
1009         (scan_omp_nested): Remove.
1010         (scan_omp_1): Do not call scan_omp_nested when
1011         parallel_nesting_level is > 1.
1012         Do not change the DECL_CONTEXT of local variables found.
1013         (lookup_decl_in_outer_ctx): New.
1014         (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
1015         (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
1016         (lower_reduction_clauses): Rename from expand_reduction_clauses.
1017         (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
1018         If CTX is nested, lookup VAR in the outer context when
1019         building copy assignment.
1020         (lower_send_clauses): Rename from expand_send_clauses.
1021         If CTX is nested, lookup VAR in the outer context when
1022         building copy assignments.
1023         (lower_send_shared_vars): Rename from expand_send_shared_vars.
1024         If CTX is nested, lookup VAR in the outer context when
1025         building copy assignments.
1026         (expand_parallel_call): Rename from build_parallel_call.
1027         Handle combined parallel+workshare cases.
1028         Re-implement to emit code into the CFG.
1029         (list2chain): New.
1030         (expand_omp_parallel): Re-implement to emit code into the CFG.
1031         Call move_sese_region_to_fn to outline the sub-graph
1032         containing the parallel region.
1033         (expand_omp_for_1): Remove.
1034         (expand_omp_for_generic): Re-implement to emit code into the
1035         CFG.
1036         (expand_omp_for_static_nochunk): Likewise.
1037         (expand_omp_for_static_chunk): Likewise.
1038         (expand_omp_for): Likewise.
1039         (expand_omp_sections): Likewise.
1040         (remove_exit_barriers): New.
1041         (expand_omp_synch): New.
1042         (expand_omp): New.
1043         (build_omp_regions_1): New.
1044         (build_omp_regions): New.
1045         (execute_expand_omp): New.
1046         (gate_expand_omp): New.
1047         (pass_expand_omp): Define.
1048         (lower_omp_sections): Rename from expand_omp_sections.
1049         Set OMP_SECTIONS_SECTIONS.
1050         (lower_omp_single_simple): Rename from expand_omp_single_simple.
1051         (lower_omp_single_copy): Rename from expand_omp_single_copy.
1052         (lower_omp_single): Rename from expand_omp_simple.
1053         (lower_omp_master): Rename from expand_omp_master.
1054         (lower_omp_ordered): Rename from expand_omp_ordered.
1055         (lower_omp_critical): Rename from expand_omp_critical.
1056         (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
1057         (lower_omp_for): Re-implement.
1058         (lower_omp_parallel): Re-implement.
1059         (lower_regimplify): Rename from expand_regimplify.
1060         (lower_omp_1): Rename from expand_omp_1.
1061         If there are syntax errors in the program, replace every
1062         OpenMP directive with NOP.
1063         Call lower_omp_* instead of expand_omp_*.
1064         (lower_omp): Rename from expand_omp.
1065
1066         * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
1067         * tree-gimple.h (enum omp_parallel_type): Remove.
1068         (gimple_boolify): Declare extern.
1069         (find_omp_clause, determine_parallel_type): Remove.
1070
1071         * gimple-low.c (lower_omp_directive): New.
1072         (lower_stmt): Call it.
1073         (record_vars_into): Move from ...
1074         (record_vars): ... here.
1075         Call record_vars_into with current_function_decl.
1076
1077         * gimplify.c (struct gimplify_ctx): Remove fields
1078         combined_pre_p and combined_ctxp.  Update users.
1079         (get_formal_tmp_var): Add documentation.
1080         (gimple_boolify): Make extern.
1081         (gimplify_expr_in_ctx): Remove.  Update callers.
1082         (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
1083         will always be a BIND_EXPR.
1084         (gimplify_expr): Handle OMP_RETURN_EXPR.
1085         * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
1086         (OMP_PARALLEL): Add 3 operands.
1087         (OMP_SECTIONS): Add 1 operand.
1088         (OMP_RETURN_EXPR): Define.
1089
1090         * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
1091         (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
1092         * tree-iterator.c (alloc_stmt_list): Assert that we are not
1093         creating a circular free list.
1094         (free_stmt_list): Assert that we are not freeing stmt_list_cache.
1095
1096         * tree-flow.h (move_sese_region_to_fn): Declare.
1097         (record_vars_into): Declare.
1098         * tree-cfg.c (make_omp_sections_edges): New.
1099         (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
1100         OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
1101         OMP_SECTIONS and OMP_SECTION.
1102         (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
1103         (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
1104         (verify_stmt): Do not handle OMP_DIRECTIVE_P.
1105         (gather_blocks_in_sese_region): New.
1106         (struct move_stmt_d): Declare.
1107         (move_stmt_r): New.
1108         (move_block_to_fn): New.
1109         (move_sese_region_to_fn): New.
1110
1111         * passes.c (init_optimization_passes): Schedule
1112         pass_expand_omp after pass_init_datastructures.
1113
1114         * tree-ssa-operands.c (get_expr_operands): Handle
1115         OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
1116         OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
1117
1118 2006-01-19  Jeff Law  <law@redhat.com>
1119
1120         * tree-vrp.c (extract_range_from_assert): Refine the result range
1121         if the variable referenced by the ASSERT_EXPR has a range and
1122         either the tentative result range or the previous range is a
1123         VR_ANTI_RANGE.
1124
1125 2006-01-19  Richard Sandiford  <richard@codesourcery.com>
1126
1127         * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
1128
1129 2006-01-19  Jan Hubicka  <jh@suse.cz>
1130
1131         * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
1132
1133 2006-01-19  Paolo Bonzini  <bonzini@gnu.org>
1134
1135         * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
1136         (expand_compound_operation, expand_field_assignment): Fail if the
1137         bit lengths of an extract operation are out of range.
1138         (make_extraction): Compute wanted_inner_mode based on the position
1139         and length of the extraction.  Make it extraction_mode for non-constant
1140         positions, and do not modify offset in that case.  When generating a
1141         new MEM, use a mode that can hold the extraction while keeping correct
1142         alignment.  Remove code that supported MEMs wrapped by USEs.
1143         (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
1144
1145 2006-01-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1146
1147         * config/s390/s390.md ("Y", "y"): New mode attribute.
1148         ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
1149         "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
1150         "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
1151         "*addsi3_imm_cc", "*addsi3_carry1_cc",
1152         "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
1153         "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
1154         "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
1155         "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
1156         "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
1157         "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
1158         "addsi3", "subsi3"): Insn patterns removed.
1159         ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
1160         "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
1161         "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
1162         "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
1163         "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
1164         "*sub<mode>3_cconly2"): New insn patterns.
1165         ("addsi3", "subsi3"): New expanders.
1166
1167 2006-01-19  Dorit Nuzman  <dorit@il.ibm.com>
1168
1169         * Makefile.in (tree-vect-patterns.o): Add rule for new file.
1170         * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
1171         existing STMT_VINFO_VECTYPE if available.
1172         (vect_mark_relevant): Add special handling for stmts that are
1173         marked as STMT_VINFO_IN_PATTERN_P.
1174         (vect_analyze_loop): Call vect_pattern_recog.
1175         * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
1176         * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
1177         stmt_info.
1178         (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
1179         (vect_recog_func_ptr): New function-pointer type.
1180         * tree-vect-patterns.c: New file.
1181         (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
1182         (vect_recog_dot_prod_pattern, vect_pattern_recog):
1183         (vect_pattern_recog_1): New functions.
1184         (vect_pattern_recog_funcs): New array of function pointers.
1185
1186         * tree-vectorizer.h (ternary_op): New enum value.
1187         * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
1188         declaration. Revised documentation. Removed redundant dump prints.
1189         Removed redundant argument. Added support for reduction patterns.
1190         (vectorizable_reduction): Added support for reduction patterns.
1191         (vect_transform_stmt): Added support for patterns.
1192
1193         * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
1194         * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
1195         * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
1196         (expand_widen_pattern_expr): New function.
1197         (init_optabs): Initialize new optabs udot_prod_optab,
1198         sdot_prod_optab.
1199         * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
1200         (sdot_prod_optab, udot_prod_optab): Define new optabs.
1201         (expand_widen_pattern_expr): New function declaration.
1202         * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
1203         tree-codes.
1204         * tree-inline.c (estimate_num_insns_1): Added cases for new
1205         tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1206         * tree-pretty-print.c (dump_generic_node): Likewise.
1207         (op_prio): Likewise.
1208         (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1209         * tree-ssa-operands.c (get_expr_operands): Added case for
1210         DOT_PROD_EXPR.
1211         * tree-vect-patterns.c (widened_name_p): New function.
1212         (vect_recog_dot_prod_pattern): Added function implementation.
1213         * tree-vect-transform.c (get_initial_def_for_reduction): Added
1214         cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
1215         * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
1216         * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
1217
1218         * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
1219         * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
1220         * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
1221         (init_optabs): Initialize new optabs widen_ssum_optab,
1222         widen_usum_optab.
1223         * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
1224         (widen_ssum_optab, widen_usum_optab): Define new optabs.
1225         * tree-vect-generic.c: (expand_vector_operations_1): Check type of
1226         use instead of type of def.
1227         * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
1228         function implementation.
1229         * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
1230         widen_ssumv8hi): New.
1231
1232         * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
1233         patterns.
1234
1235 2006-01-19  Richard Sandiford  <richard@codesourcery.com>
1236
1237         PR c/25805
1238         * c-decl.c (add_flexible_array_elts_to_size): New function.
1239         (finish_decl): Use it.
1240
1241 2006-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
1242
1243         * diagnostic.h: Include options.h.
1244         * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
1245         dependancies for diagnostic.h.
1246         * Makefile.in (DIAGNOSTIC_H): Add options.h.
1247
1248 2006-01-16  Daniel Berlin  <dberlin@dberlin.org>
1249
1250         * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
1251         (ssa_ro_call_cache_valid): Ditto.
1252         * tree-ssa-alias.c (sort_tags_by_id): New function.
1253         (init_transitive_clobber_worklist): Ditto.
1254         (add_to_worklist): Ditto.
1255         (mark_aliases_call_clobbered): Ditto.
1256         (compute_tag_properties): Ditto.
1257         (set_initial_properties): Ditto.
1258         (compute_call_clobbered): Ditto.
1259         (compute_may_aliases):  Call compute_call_clobbered and grouping.
1260         (compute_flow_sensitive_aliasing): Remove clobbering related code.
1261         (compute_flow_insensitive_aliasing): Grouping now happens in our
1262         caller.
1263         (setup_pointers_and_addressables): Remove clobbering related code.
1264         (add_may_alias): Ditto.
1265         (replace_may_alias): Ditto.
1266         (get_nmt_for): Ditto.
1267         (create_global_var):
1268         (is_escape_site): Return an escape_type enumeration.
1269         * tree-flow-inline.h (is_call_clobbered):  Global var does not
1270         imply call clobbered.
1271         (mark_call_clobbered): Take a reason for marking this. Remove
1272         marking of globalness, and cache invalidation.
1273         (clear_call_clobbered): Remove cache invalidation code.
1274         * tree-dfa.c (dump_variable): If details is on, dump the reason
1275         for escaping.
1276         * tree-outof-ssa.c (create_temp): Copy escape mask from original
1277         variable.
1278         * tree-flow.h (struct ptr_info_def): Add escape mask member.
1279         (struct var_ann_d): Ditto.
1280         (enum escape_type): New.
1281         (mark_call_clobbered): Adjust prototype.
1282         * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
1283         are never call clobbered.
1284         Record reasons for escaping.
1285         * tree-ssa-structalias.h (is_escape_site): Update prototype.
1286         * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
1287         (ssa_ro_call_cache_valid): Ditto.
1288         (clobbered_v_may_defs): Ditto.
1289         (clobbered_vuses): Ditto.
1290         (ro_call_vuses): Ditto.
1291         (clobber_stats): New.
1292         (init_ssa_operands): Zero out clobber stats.
1293         (fini_ssa_operands): Print out clobber stats.
1294         (get_call_expr_operands): Pass callee fndecl to
1295         add_call_read_ops).
1296         (add_call_clobber_ops): Remove use of cache.
1297         Add use of PURE_CONST information.
1298         (add_call_read_ops): Remove use of cache.
1299         Add use of static not_read information.
1300
1301 2006-01-18  Alexandre Oliva  <aoliva@redhat.com>
1302
1303         Introduce TLS descriptors for i386 and x86_64.
1304         * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
1305         (TARGET_ANY_GNU_TLS): New macro.
1306         (enum tls_dialect): Added TLS_DIALECT_GNU2.
1307         (struct machine_function): Add tls_descriptor_call_expanded_p.
1308         (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
1309         (ix86_current_function_calls_tls_descriptor): Likewise.
1310         * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
1311         (override_options): Introduce gnu2 tls dialect.
1312         (ix86_frame_pointer_required): Functions containing TLSCALLs are
1313         not leaves.
1314         (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
1315         Likewise.
1316         (legitimize_tls_address): Adjust logic for GNU2 TLS.
1317         (ix86_init_machine_status): Initialize new field.
1318         (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
1319         (ix86_tls_module_base): New.
1320         * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
1321         * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
1322         (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
1323         (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
1324         (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
1325         (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
1326         (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
1327         (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
1328         * config/i386/predicates.md (tls_modbase_operand): New.
1329         (tp_or_register_operand): New.
1330
1331 2006-01-18  Daniel Berlin  <dberlin@dberlin.org>
1332
1333         * ipa-reference.c (check_operand):  Allow FUNCTION_DECL.
1334         (look_for_address_of): Ditto.
1335         (ipa_init): Walk the function decls.
1336         (static_execute): Don't set readonly on FUNCTION_DECL's.
1337
1338 2006-01-18  Roger Sayle  <roger@eyesopen.com>
1339
1340         * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
1341         for shifts where the source and destination registers are different.
1342
1343 2006-01-18  Paul Brook  <paul@codesourcery.com>
1344
1345         Merge from csl-arm-branch.
1346         2005-03-14  Julian Brown  <julian@codesourcery.com>
1347         * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
1348         (aeabi_llsl): Likewise.
1349         (ashrdi3): Likewise.
1350         (aeabi_lasr): Likewise.
1351         (lshrdi3): Likewise.
1352         (aeabi_llsr): Likewise.
1353         2005-03-10  Julian Brown  <julian@codesourcery.com>
1354         * config.gcc: Disable shared libgcc for SymbianOS.
1355         * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
1356
1357 2006-01-18  DJ Delorie  <dj@redhat.com>
1358
1359         * c-pragma.c (handle_pragma_diagnostic): New.
1360         (init_pragma): Register it.
1361         * doc/extend.texi: Document it.
1362
1363         * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
1364         * diagnostic.h (diagnostic_classify_diagnostic): Declare.
1365         (diagnostic_context): Add classify_diagnostic[].
1366         * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
1367         as errors if they're overridden to DK_WARNING.
1368         (diagnostic_initialize): Initialize classify_diagnostic[].
1369         (diagnostic_set_kind_override): New.
1370         (diagnostic_report_diagnostic): Check for kind changes.
1371         * opts.c (common_handle_option): Take lang_mask.  Update callers.
1372         Handle OPT_Werror_.
1373         * common.opt (Werror=): New.
1374         * doc/invoke.texi: Document -Werror=*
1375
1376 2006-01-18  Jeff Law  <law@redhat.com>
1377
1378         * tree-vrp.c (test_for_singularity): Correct test for new
1379         min limit.  Use operand_equal_p rather than pointer equality
1380         for testing if new min/max values are equal.
1381
1382         * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
1383         using range information until after propagation and folding.
1384
1385 2006-01-18  Richard Henderson  <rth@redhat.com>
1386             Aldy Hernandez  <aldyh@redhat.com>
1387             Jakub Jelinek  <jakub@redhat.com>
1388             Diego Novillo  <dnovillo@redhat.com>
1389
1390         * omp-low.c: New file.
1391         * c-omp.c: New file.
1392
1393 2006-01-18  Richard Henderson  <rth@redhat.com>
1394             Jakub Jelinek  <jakub@redhat.com>
1395             Diego Novillo  <dnovillo@redhat.com>
1396
1397         * doc/invoke.texi: Document -fopenmp.
1398         * tree-dump.h (debug_function): Declare.
1399         * hooks.c (hook_bool_tree_bool_false): New function.
1400         (hook_tree_tree_null): Remove.
1401         (hook_tree_tree_tree_null): New.
1402         * hooks.h: Update to match.
1403         * tree-pretty-print.c (debug_tree_chain): New.
1404         (print_generic_expr): Handle TDF_CHAIN.
1405         (dump_generic_node): Handle BLOCK.
1406         Do not abort with incomplete SWITCH_EXPRs.
1407         Do not dump body of an OpenMP directive if TDF_SLIM is given.
1408         <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
1409         print space after directive name.
1410         <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
1411         Handle OMP_MASTER and OMP_ORDERED.
1412         Handle printing of OMP_BODY just in one place, goto
1413         dump_omp_body in the rest of OMP_* nodes that have
1414         OMP_BODY.
1415         Don't handle clause nodes here.  Update omp statements to
1416         use dump_omp_clauses.
1417         Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
1418         OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
1419         OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
1420         GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
1421         GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
1422         GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
1423         Adjust output for GOMP_PARALLEL.
1424         (dump_omp_clauses): New.
1425         (print_declaration): Dump DECL_VALUE_EXPR.
1426         (op_symbol_1): Split out of op_symbol.
1427         (dumping_stmts): Remove.  Update all users.
1428         * cgraph.c (cgraph_analyze_queue): New.
1429         (cgraph_add_new_function): New.
1430         * cgraph.h (cgraph_analyze_queue): Declare.
1431         (cgraph_add_new_function): Declare.
1432         (cgraph_lower_function): Remove.
1433         * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
1434         nodes.  Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
1435         and TYPE_P nodes in its default clause.
1436         (empty_body_p): New.
1437         (tree_range_check_failed): New.
1438         (build5_stat): New.
1439         * tree.h (OMP_CLAUSE_REDUCTION_INIT,
1440         OMP_CLAUSE_REDUCTION_MERGE,
1441         OMP_CLAUSE_REDUCTION_PLACEHOLDER,
1442         OMP_CLAUSE_PRIVATE_DEBUG,
1443         OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
1444         OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
1445         OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
1446         OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
1447         OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
1448         OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
1449         OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
1450         OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
1451         OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
1452         OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
1453         OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
1454         OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
1455         OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
1456         OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
1457         (TREE_RANGE_CHECK): New.
1458         (empty_body_p): Declare.
1459         (enum omp_clause_default_kind): New.
1460         (build_string_literal): Declare.
1461         (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
1462         (build5_stat, build5): Declare.
1463         * tree-pass.h (TDF_CHAIN): Define.
1464         * tree-pass.h (PROP_gimple_lomp): Define.
1465         (pass_lower_omp): Declare.
1466         * diagnostic.h (debug_tree_chain): Declare.
1467         * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
1468         mode_for_size.
1469         (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
1470         * builtins.c (build_string_literal): Make extern.
1471         * gcc.c (include_spec_function): New.
1472         (static_spec_functions): Add it.
1473         (main): Move load of libgomp.spec ...
1474         (LINK_COMMAND_SPEC): ... here.
1475         (link_gomp_spec): New.
1476         (static_specs): Include it.
1477         (LINK_COMMAND_SPEC): Add link_gomp.
1478         (GOMP_SELF_SPECS): New.
1479         (driver_self_specs): Include it.
1480         (switch_matches): Don't mark inline.
1481         (main): Load libgomp.spec.
1482         * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
1483         OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
1484         and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
1485         * tree-gimple.h (enum omp_parallel): Declare.
1486         (determine_parallel_type): Declare.
1487         (omp_firstprivatize_variable): Declare.
1488         (omp_reduction_init): Declare.
1489         (diagnose_omp_structured_block_errors): Declare.
1490         (struct walk_stmt_info): Add want_return_expr.
1491         (struct walk_stmt_info): Add want_bind_expr, want_locations.
1492         (find_omp_clause): Declare.
1493         (insert_field_into_struct): Declare.
1494         (struct walk_stmt_info): Move from tree-nested.c
1495         (walk_stmts): Declare.
1496         * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
1497         to 200505.
1498         * cgraphunit.c (cgraph_lower_function): Make static.
1499         (cgraph_finalize_pending_functions): New.
1500         (cgraph_finalize_function): Call it.
1501         (cgraph_finalize_compilation_unit): Likewise.
1502         * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
1503         BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
1504         (BT_FN_UINT_UINT): New.
1505         (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
1506         DEF_FUNCTION_TYPE_VAR_4): Document.
1507         (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
1508         BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
1509         BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
1510         BT_FN_VOID_OMPFN_PTR_UINT_UINT,
1511         BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
1512         BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
1513         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
1514         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
1515         * builtins.def: Update DEF_BUILTIN comment to include COND argument.
1516         Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
1517         into separate files.
1518         (DEF_GOMP_BUILTIN): New.
1519         (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
1520         BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
1521         BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
1522         BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
1523         BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
1524         BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
1525         BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
1526         BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
1527         BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
1528         BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
1529         BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
1530         BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
1531         BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
1532         BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
1533         BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
1534         BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
1535         BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
1536         BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
1537         BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
1538         BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
1539         BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
1540         BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
1541         BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
1542         BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
1543         BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
1544         BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
1545         * sync-builtins.def: New file, moved from builtins.def.
1546         * omp-builtins.def: New file, moved from builtins.def.
1547         * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
1548         * gimple-low.c (lower_function_body): Clear data.
1549         (lower_stmt): Do not handle COMPOUND_EXPR.
1550         Remove call to print_node_brief.
1551         * c-tree.h (c_finish_omp_clauses): New prototype.
1552         (C_DECL_THREADPRIVATE_P): Define.
1553         (lookup_name_no_remap, c_omp_remap_private): Remove
1554         (c_begin_omp_parallel, c_finish_omp_parallel): Update.
1555         (check_for_loop_decls): Update decl.
1556         (lookup_name_no_remap, c_omp_remap_private): Declare.
1557         (build_indirect_ref, build_modify_expr, pushdecl,
1558         pushdecl_top_level): Move to c-common.h.
1559         * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
1560         before the switch, but just in the 2 places that need it.
1561         * c-decl.c (diagnose_mismatched_decls): Do not check for
1562         mismatched thread-local attributes when OLDDECL is marked
1563         threadprivate and NEWDECL has no thread-local attributes.
1564         (merge_decls): Merge C_DECL_THREADPRIVATE_P.
1565         (c_gimple_diagnostics_recursively): Rename from
1566         c_warn_unused_result_recursively.  Invoke
1567         diagnose_omp_structured_block_errors.
1568         (check_for_loop_decls): Return a singular decl found.
1569         * langhooks.c (lhd_omp_predetermined_sharing): Return
1570         OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
1571         (lhd_omp_firstprivatize_type_sizes): New.
1572         (lhd_omp_assignment): New.
1573         (lhd_omp_predetermined_sharing): New.
1574         * langhooks.h (struct gimplify_omp_ctx): Forward declare.
1575         (struct lang_hooks_for_types): Add
1576         omp_firstprivatize_type_sizes, omp_privatize_by_reference,
1577         omp_predetermined_sharing, omp_disregard_value_expr,
1578         omp_private_debug_clause, omp_clause_default_ctor,
1579         omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
1580         (c_finish_omp_clauses): New.
1581         (c_finish_bc_stmt): Diagnose break within omp for.
1582         (c_begin_omp_parallel, c_finish_omp_parallel): New.
1583         (build_unary_op): Return error_mark after reporting
1584         a readonly_error.
1585         (build_modify_expr): Likewise.
1586         * gimplify.c: Include optabs.h and pointer-set.h.
1587         (enum gimplify_omp_var_data): Declare.
1588         (struct gimplify_omp_ctx): Declare.
1589         (struct gimplify_ctx): Add fields prev_context, combined_pre_p
1590         and combined_ctxp.
1591         (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
1592         (push_gimplify_context, pop_gimplify_context): Allow nesting.
1593         (splay_tree_compare_decl_uid): New.
1594         (new_omp_context): New.
1595         (delete_omp_context): New.
1596         (gimple_add_tmp_var): Call omp_add_variable.
1597         (gimplify_bind_expr): Likewise.
1598         (gimplify_var_or_parm_decl): If omp_notice_variable returned
1599         true, disregard DECL_VALUE_EXPR on the decl if any.
1600         (gimplify_expr_in_ctx): New.
1601         (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
1602         omp_add_variable, omp_notice_variable, omp_is_private
1603         gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
1604         gimplify_adjust_omp_clauses, gimplify_omp_parallel
1605         gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
1606         gimplify_omp_atomic_fetch_op, goa_stabilize_expr
1607         gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
1608         gimplify_omp_atomic): New.
1609         (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1610         OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1611         OMP_CRITICAL and OMP_ATOMIC.
1612         (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
1613         * c-pragma.h (enum pragma_kind): Add
1614         PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
1615         PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
1616         PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
1617         PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
1618         PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
1619         PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
1620         PRAGMA_OMP_THREADPRIVATE.
1621         * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1622         OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1623         OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
1624         OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
1625         OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
1626         OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
1627         OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
1628         OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
1629         OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
1630         * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
1631         * tree-ssa-dce.c (find_control_dependence): Do not assume that
1632         ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
1633         * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
1634         OpenMP directives.
1635         (struct nesting_info): Add field_map,
1636         suppress_expansion, debug_var_chain.
1637         (create_nesting_tree): Initialize them.
1638         (lookup_field_for_decl): Use field_map.
1639         (get_nonlocal_debug_decl, get_local_debug_decl): New.
1640         (convert_local_omp_clauses): New.
1641         (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
1642         (walk_body): Split out of walk_function.
1643         (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
1644         (convert_nonlocal_reference): Handle omp statements.
1645         (convert_local_reference): Likewise.
1646         (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
1647         (unnest_nesting_tree): New.
1648         (lower_nested_functions): Call it.
1649         (insert_field_into_struct): Make extern.
1650         (struct walk_stmt_info): Move to tree-gimple.h.
1651         (walk_stmts): Make extern.
1652         * omp-builtins.def: New file.
1653         * tree-iterator.c (expr_only): Clarify comment.
1654         * c-common.h (pushdecl_top_level, pushdecl,
1655         build_modify_expr, build_indirect_ref,
1656         c_finish_omp_master, c_finish_omp_critical,
1657         c_finish_omp_ordered, c_finish_omp_barrier,
1658         c_finish_omp_atomic, c_finish_omp_flush,
1659         c_finish_omp_for, c_split_parallel_clauses,
1660         omp_clause_default_kind, c_omp_sharing_predetermined,
1661         c_omp_remap_decl): Declare.
1662         * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
1663         (OBJS-common): Add omp-low.o.
1664         (c-omp.o, omp-low.o): Add.
1665         (gimplify.o): Add dependency on $(OPTABS_H).
1666         (GTFILES): Add omp-low.c.
1667         (gt-stringpool.h): Add.
1668         * tree-cfg.c (set_bb_for_stmt): Do not update the
1669         block-to-labels map if we are currently expanding to RTL.
1670         (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
1671         checks.
1672         Handle IDENTIFIER_NODE.
1673         (tree_verify_flow_info): Do not ICE when emitting error
1674         messages about invalid labels.
1675         (dump_function_to_file): Reset CFUN before emitting the body
1676         of the function.
1677         (debug_function): New.
1678         * passes.c (init_optimization_passes): Schedule
1679         pass_lower_omp.
1680         * langhooks-def.h (lhd_omp_predetermined_sharing,
1681         lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
1682         Declare.
1683         (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
1684         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
1685         (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
1686         LANG_HOOKS_OMP_PREDETERMINED_SHARING,
1687         LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
1688         LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
1689         LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
1690         LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
1691         LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
1692         LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
1693         (LANG_HOOK_DECLS): Use them.
1694
1695 2006-01-18  Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
1696             Richard Henderson  <rth@redhat.com>
1697             Jakub Jelinek  <jakub@redhat.com>
1698             Diego Novillo  <dnovillo@redhat.com>
1699
1700         * c-parser.c (pragma_omp_clause): Define.
1701         (c_parser_declaration_or_fndef): Document OpenMP syntax.
1702         (c_parser_compound_statement): Likewise.
1703         (c_parser_statement): Likewise.
1704         (c_parser_pragma): Handle omp pragmas.
1705         (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
1706         OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
1707         (c_parser_omp_clause_name, check_no_duplicate_clause,
1708         c_parser_omp_variable_list,
1709         c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
1710         c_parser_omp_clause_copyprivate,
1711         c_parser_omp_clause_default,
1712         c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
1713         c_parser_omp_clause_lastprivate,
1714         c_parser_omp_clause_nowait,
1715         c_parser_omp_clause_num_threads,
1716         c_parser_omp_clause_ordered, c_parser_omp_clause_private,
1717         c_parser_omp_clause_reduction,
1718         c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
1719         c_parser_omp_all_clauses, c_parser_omp_structured_block,
1720         c_parser_omp_atomic, c_parser_omp_barrier,
1721         c_parser_omp_critical, c_parser_omp_flush,
1722         c_parser_omp_for_loop, c_parser_omp_for,
1723         c_parser_omp_master, c_parser_omp_ordered,
1724         c_parser_omp_sections_scope, c_parser_omp_sections,
1725         c_parser_omp_parallel, c_parser_omp_single,
1726         c_parser_omp_construct, c_parser_omp_threadprivate): New.
1727         * c-pragma.c (init_pragma): Do omp pragma registration here.
1728         * c.opt (fopenmp): New flag.
1729
1730 2006-01-18  Eric Christopher  <echristo@apple.com>
1731
1732         * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
1733         * config/darwin.h (GOMP_SELF_SPECS): Define.
1734
1735 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
1736
1737         * rtl.h: Remove the prototype for reg_alloc.
1738
1739 2006-01-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1740
1741         PR target/25731
1742         * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
1743         hppa[12]*-*-hpux11*): Override default shared libgcc version for both
1744         sjlj and dwarf2 exception handling.
1745         * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
1746         Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
1747         * pa/pa.c (function_value): Treat complex and vector types as
1748         aggregates.
1749         (function_arg): Likewise.  Only pass scalar floats in the floating
1750         point argument registers.
1751         * pa/t-slibgcc-dwarf-ver: New file.
1752         * pa/t-slibgcc-sjlj-ver: New file.
1753         * pa/t-slibgcc-elf-ver: Delete file.
1754
1755 2006-01-19  Alan Modra  <amodra@bigpond.net.au>
1756
1757         * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
1758         unlikely_test_section_p test.
1759
1760 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
1761
1762         * mode-switching.c (optimize_mode_switching): Make it static.
1763         * basic-block.h: Remove the prototype for
1764         optimize_mode_switching.
1765
1766         * modulo-sched.c (sms_schedule): Make it static.
1767         * rtl.h: Remove the prototype for sms_schedule.
1768
1769         * postreload-gcse.c (gcse_after_reload_main): Make it static.
1770         * rtl.h: Remove the prototype for gcse_after_reload_main.
1771
1772         * reg-stack.c (reg_to_stack): Make it static.
1773         * rtl.h: Remove the prototype for reg_to_stack.
1774
1775         * regrename.c (regrename_optimize, copyprop_hardreg_forward):
1776         Make them static.
1777         * rtl.h: Remove the prototypes for regrename_optimize and
1778         copyprop_hardreg_forward.
1779
1780 2006-01-18  Eric Botcazou  <ebotcazou@adacore.com>
1781
1782         * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
1783         alpha_split_tmode_pair.  Add 'mode' and 'fixup_overlap' arguments.
1784         Test against the appropriate null constant for the mode.
1785         If 'fixup_overlap' is true, swap the operands if they overlap.
1786         (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
1787         * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
1788         alpha_split_tmode_pair and adjust for above change.
1789         * config/alpha/alpha.md (movtf_internal): Adjust call to
1790         alpha_split_tfmode_pair and rely on it to swap the operands.
1791         (movti_internal): New insn and post-reload splitter.
1792         (movti): New expander.
1793
1794 2006-01-18  Philippe De Muyter  <phdm@macqel.be>
1795
1796         * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
1797         operands.
1798
1799 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
1800
1801         * rtlanal.c (global_reg_mentioned_p_1,
1802         global_reg_mentioned_p): Remove.
1803         * rtl.h: Remove the prototype for global_reg_mentioned_p.
1804
1805         * flow.c (initialize_uninitialized_subregs): Make it static.
1806         * rtl.h: Remove the prototype for
1807         initialize_uninitialized_subregs.
1808
1809         * function.c (instantiate_virtual_regs): Make it static.
1810         * function.h: Remove the prototype for
1811         instantiate_virtual_regs.
1812
1813         * regmove.c (regmove_optimize, combine_stack_adjustments):
1814         Make them static.
1815         * rtl.h: Remove the prototypes for regmove_optimize and
1816         combine_stack_adjustments.
1817
1818 2006-01-17  Roger Sayle  <roger@eyesopen.com>
1819
1820         * config/i386/i386.c (COSTS_N_BYTES): New macro.
1821         (size_cost): Encode costs in bytes so that a reg-reg addition is
1822         equivalent to COSTS_N_INSNS(1).
1823         (override_options): Use the size_cost.branch_cost as the default
1824         ix86_branch_cost when optimizing for size.
1825
1826 2006-01-18  Ben Elliston  <bje@au.ibm.com>
1827
1828         * Makefile.in (D32PBIT_FUNCS): New.
1829         (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
1830         (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
1831         D64PBIT_FUNCS and D128PBIT_FUNCS.
1832         (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
1833         * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
1834         D128PBIT are set.
1835         (decnumber_dep): Define.
1836         * doc/libgcc.texi (Decimal float library routines): New node.
1837         * config/dfp-bit.h, config/dfp-bit.c: New files.
1838
1839 2006-01-18  Ben Elliston  <bje@au.ibm.com>
1840
1841         * expr.c (emit_move_change_mode): Always adjust addresses, not
1842         just during reload.  Copy replacements only during reload.
1843         (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
1844         emit_move_via_integer.
1845
1846 2006-01-17  Shantonu Sen  <ssen@opendarwin.org>
1847
1848         * Makefile.in (check-%, check-consistency): Use $${srcdir}
1849         instead of $(srcdir) and ${srcdir}.
1850
1851 2006-01-17  Richard Earnshaw  <rearnsha@arm.com>
1852
1853         PR target/592
1854         PR middle-end/11135
1855         * arm.h (struct machine_function): Add pic_reg.
1856         * arm.c (arm_pic_register): Make unsigned.
1857         (arm_override_options): Only set arm_pic_register if
1858         TARGET_SINGLE_PIC_BASE.
1859         (use_return_insn): Only test for a pic register if it is fixed.
1860         (arm_compute_save_reg0_reg12_mask): Likewise.
1861         (thumb_compute_save_reg_mask): Likewise.
1862         (legitimate_pic_operand): Factor out some known invariants.
1863         (legitimize_pic_address): If we don't have a fixed pic register,
1864         then set up a pseudo in the function entry sequence.  Handle the
1865         pic base being in a pseudo.
1866         (arm_load_pic_register): Handle the pic register being in a pseudo.
1867         (arm_expand_prologue): Only set up the pic register if it is fixed.
1868         (thumb_expand_prologue): Likewise.
1869         * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
1870         (pic_load_addr_based_insn): Likewise.
1871         (builtin_setjmp_receiver): Don't restore the pic base if it isn't
1872         fixed.
1873
1874 2006-01-18  Ben Elliston  <bje@au.ibm.com>
1875
1876         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
1877         decimal float modes for all floating point registers.
1878
1879         * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
1880         match_code "mem" with match_test "macho_lo_sum_memory_operand".
1881
1882 2006-01-17  Jakub Jelinek  <jakub@redhat.com>
1883
1884         PR c/25682
1885         * c-typeck.c (build_unary_op): Fold offsetof-like expressions
1886         even when the pointer is not NULL.
1887
1888 2006-01-16  Ian Lance Taylor  <ian@airs.com>
1889
1890         * common.opt (ftoplevel-reorder): New option.
1891         * cgraph.c (cgraph_asm_nodes): New global variable.
1892         (cgraph_asm_last_node): New static variable.
1893         (cgraph_order): New global variable.
1894         (cgraph_create_node): Set new order field.
1895         (cgraph_varpool_node): Likewise.
1896         (decide_is_variable_needed): Return true if not
1897         flag_toplevel_reorder.
1898         (cgraph_add_asm_node): New function.
1899         * cgraph.h (struct cgraph_node): Add order field.
1900         (struct cgraph_varpool_node): Add order field.
1901         (struct cgraph_asm_node): Define.
1902         (cgraph_asm_nodes, cgraph_order): Declare.
1903         (cgraph_add_asm_node): Declare.
1904         * cgraphunit.c (cgraph_varpool_assemble_decl): New static
1905         function.
1906         (cgraph_varpool_assemble_pending_decls): Call it.
1907         (cgraph_output_pending_asms): New static function.
1908         (cgraph_finalize_compilation_unit): Call it.
1909         (struct cgraph_order_sort): Define.
1910         (cgraph_output_in_order): New static function.
1911         (cgraph_optimize): Call cgraph_output_pending_asms.  Add code for
1912         !flag_toplevel_reorder case.
1913         * c-parser.c: Include "cgraph.h".
1914         (c_parser_asm_definition): Call cgraph_add_asm_node rather than
1915         assemble_asm.
1916         * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
1917         than -fno-unit-at-a-time.
1918         * doc/invoke.texi (Option Summary): Mention
1919         -fno-toplevel-reorder.
1920         (Optimize Options): Document -fno-toplevel-reorder.  Mention it in
1921         -funit-at-a-time documentation.
1922
1923 2006-01-17  Hans-Peter Nilsson  <hp@axis.com>
1924             Kazu Hirata  <kazu@codesourcery.com>
1925
1926         * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
1927
1928 2006-01-17  Kazu Hirata  <kazu@codesourcery.com>
1929
1930         * Makefile.in (FUNCTION_H): New.  Use it instead of
1931         function.h throughout the file.
1932         * function.h: Include tree.h.
1933
1934 2006-01-17  Ben Elliston  <bje@au.ibm.com>
1935
1936         * recog.c: Separate some functions with whitespace.
1937
1938 2006-01-16  Richard Henderson  <rth@redhat.com>
1939
1940         Merge from gomp branch:
1941         * Makefile.in (TREE_INLINE_H): New.  Use it as needed.
1942         * tree-inline.h (struct copy_body_data): Move from tree-inline.c
1943         and rename from struct inline_data.  Rename callee* to dst*;
1944         caller* to src*; add copy_decl hook, transform_call_graph_edges,
1945         transform_new_cfg, transform_return_to_modify, and
1946         transform_lang_insert_block flags; remove cloning_p, versioning_p,
1947         update_clones_p.
1948         (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
1949         (copy_decl_for_dup): Remove.
1950         * tree-inline.c (struct inline_data): Move to header.
1951         (insert_decl_map): Export.
1952         (remap_decl): Update for member name changes.  Use copy_decl hook.
1953         Allow for replacement to be a non-decl.  Remove dead code.
1954         (remap_type_1): Check for existing mapping.
1955         (remap_type): Export.
1956         (remap_decls): Update for member name changes.
1957         (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
1958         (copy_body, setup_one_parameter, declare_return_variable): Likewise.
1959         (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
1960         (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
1961         (tree_function_versioning, build_duplicate_type): Likewise.
1962         (copy_body_r): Likewise.  Export.
1963         (copy_decl_for_dup): Split into ...
1964         (copy_decl_for_dup_finish, copy_decl_to_var,
1965         copy_decl_no_change, copy_decl_maybe_to_var): ... these.
1966         (replace_ref_tree, inlining_p): Remove.
1967
1968 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
1969
1970         * ifcvt.c (if_convert): Make it static.
1971         * rtl.h: Remove the prototype for if_convert.
1972
1973         * local-alloc.c (local_alloc): Make it static.
1974         * rtl.h: Remove the prototype for local_alloc.
1975
1976         * loop.c (loop_optimize): Make it static.
1977         * cfgloop.h: Remove the prototype for loop_optimize.
1978         * rtl.h: Likewise.
1979
1980 2006-01-16  DJ Delorie  <dj@redhat.com>
1981
1982         * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
1983         mems.
1984
1985 2006-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1986
1987         * pa.md: Disparage copies between general and floating-point registers
1988         in 32-bit move patterns.
1989
1990 2006-01-16  H.J. Lu  <hongjiu.lu@intel.com>
1991
1992         PR testsuite/25741
1993         * Makefile.in (check-%): Depend on site.exp instead of
1994         $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
1995         directories.
1996
1997 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
1998
1999         * global.c (global_alloc): Make it static.
2000         * rtl.h: Remove the prototype for global_alloc.
2001
2002 2006-01-16  Richard Guenther  <rguenther@suse.de>
2003
2004         * tree-ssa-alias.c (struct used_part): Add write_only field.
2005         (get_or_create_used_part_for): Initialize it to true.
2006         (create_overlap_variables_for): Don't create structure variables
2007         for structures that only are written to.
2008         (find_used_portions): Handle MODIFY_EXPR to track whether a
2009         structure is only written to.
2010
2011 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
2012
2013         * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
2014         static.
2015         * basic-block.h: Remove the prototype for
2016         partition_hot_cold_basic_blocks.
2017
2018 2006-01-16  Rafael Ãƒvila de Espíndola <rafael.espindola@gmail.com>
2019
2020         * cppspec.c (lang_specific_spec_functions): Remove.
2021         * gcc.c (lookup_spec_function): Use static_spec_functions directly.
2022         * gcc.h (lang_specific_spec_functions): Remove.
2023         * gccspec.c (lang_specific_spec_functions): Remove.
2024
2025 2006-01-16  Paolo Bonzini  <bonzini@gnu.org>
2026
2027         * combine.c (record_value_for_reg): Invalidate registers
2028         if INSN is null.
2029         (record_dead_and_set_regs_1): Likewise, by passing them to
2030         record_value_for_reg.
2031         (record_dead_and_set_regs): Invalidate stores made by a
2032         call.  We do not combine across a call, but we still
2033         relied on equivalences.
2034
2035 2006-01-16  Eric Botcazou  <ebotcazou@adacore.com>
2036
2037         * tree-vrp.c (extract_range_from_binary_expr): Cope with
2038         vrp_int_const_binop returning non-constant nodes.
2039
2040 2006-01-16  Paul Brook  <paul@codesourcery.com>
2041
2042         * config/m68k/m68k.c (output_move_const_into_data_reg):
2043         Output correct mnemonic for mvz and mvs.
2044
2045 2006-01-16  Gabor Loki  <loki@gcc.gnu.org>
2046
2047         * rtl-factoring.c: Add sequence abstraction algorithm.
2048         * cfgcleanup.c (outgoing_edges_match): Extra checks.
2049         (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
2050         ABNORMAL edges.
2051         (block_has_preserve_label): New function.
2052         * common.opt: Register new pass.
2053         * Makefile.in: Ditto.
2054         * passes.c: Ditto.
2055         * timevar.def: Ditto.
2056         * tree-pass.h: Ditto.
2057         * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
2058         * rtl.h (make_jump_insn_raw): Add forward decl.
2059         * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
2060
2061 2006-01-16  Eric Botcazou  <ebotcazou@adacore.com>
2062             Roger Sayle  <roger@eyesopen.com>
2063
2064         * fold-const.c (fold_minmax): New static function.
2065         (fold_binary) <MIN_EXPR>: Call it.
2066         <MAX_EXPR>: Likewise.
2067         * stor-layout.c (place_field): Use DECL_SIZE consistently
2068         in the computation of the new record size.
2069
2070 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
2071
2072         * cse.c (cse_condition_code_reg): Make it static.
2073         * rtl.h: Remove the prototype for cse_condition_code_reg.
2074
2075         * combine.c (combine_instructions): Make it static.
2076         * rtl.h: Remove the prototype for combine_instructions.
2077
2078 2006-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2079
2080         PR target/25168
2081         * tree.c (get_file_function_name_long): Concatenate the first global
2082         object name with a string derived from the input filename of the object
2083         for type "F".
2084
2085 2006-01-16  Ben Elliston  <bje@au.ibm.com>
2086
2087         * config/i386/winnt-stubs.c: Update FSF address.
2088         * config/xtensa/ieee754-df.S: Ditto.
2089         * config/xtensa/ieee754-sf.S: Ditto.
2090
2091 2006-01-14  Ian Lance Taylor  <ian@airs.com>
2092
2093         * ifcvt.c (noce_init_if_info): New static function, broken out of
2094         noce_process_if_block.
2095         (noce_process_if_block): Call noce_init_if_info.
2096         (check_cond_move_block): New static function.
2097         (cond_move_process_if_block): New static function.
2098         (process_if_block): Call cond_move_process_if_block.
2099
2100 2006-01-15  Kazu Hirata  <kazu@codesourcery.com>
2101
2102         * cselib.c (hash_table): Rename to cselib_hash_table.
2103         (cselib_clear_table, discard_useless_values,
2104         remove_useless_values, cselib_lookup_mem, cselib_lookup,
2105         cselib_init, cselib_finish): Adjust uses of hash_table.
2106
2107 2006-01-14  Kazu Hirata  <kazu@codesourcery.com>
2108
2109         PR tree-optimization/25485
2110         * tree-vrp.c (extract_range_from_binary_expr): Handle cases
2111         where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
2112         is known to be false and true, respectively.
2113
2114 2006-01-14  Richard Guenther  <rguenther@suse.de>
2115
2116         PR tree-optimization/22548
2117         PR tree-optimization/22555
2118         PR tree-optimization/22501
2119         * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
2120         * params.def (salias-max-array-elements): New parameter.
2121         * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
2122         * doc/invoke.texi (salias-max-array-elements): Document.
2123         * tree-flow-inline.h (var_can_have_subvars): We also handle
2124         arrays now.
2125         * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
2126         COMPONENT_REF.
2127         * tree-ssa-structalias.c (params.h): Include.
2128         (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
2129         (find_func_aliases): Handle multiple constraints from ARRAY_REF.
2130         (get_constraint_for): For ADDR_EXPR operating on something
2131         containing an ARRAY_REF, add all subvars to the solution.
2132         (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
2133         * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
2134         for creating MUST_DEFs.
2135         (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
2136
2137 2006-01-14  Zdenek Dvorak <dvorakz@suse.cz>
2138
2139         * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
2140         functions.
2141         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
2142         assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2143         number_of_iterations_le): New functions.
2144         (number_of_iterations_special): Removed.
2145         (number_of_iterations_exit): Do not use number_of_iterations_special.
2146         * tree.c (unsigned_type_for): Always return integer type.
2147
2148 2006-01-14  Steven Bosscher  <stevenb.gcc@gmail.com>
2149         Richard Guenther  <rguenther@suse.de>
2150
2151         PR rtl-optimization/24257
2152         * gcse.c (find_moveable_store): Only consider a store movable
2153         when the SET_SRC of the insn can be assigned to a register.
2154
2155 2006-01-14  Ian Lance Taylor  <ian@airs.com>
2156
2157         * tree.c (tree_not_class_check_failed): New function.
2158         * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
2159         (tree_not_class_check_failed): Declare.
2160
2161 2006-01-13  Ian Lance Taylor  <ian@airs.com>
2162
2163         * reload1.c (do_output_reload): Add assertion rejecting a
2164         CALL_INSN.
2165
2166 2006-01-13  Adam Nemet  <anemet@caviumnetworks.com>
2167
2168         * combine.c (struct reg_stat): Add new fields truncation_label and
2169         truncated_to_mode.
2170         (record_value_for_reg): Reset truncated_to_mode.
2171         (record_truncated_value): New function.
2172         (check_promoted_subreg): Call it.  Rename to check_conversions.
2173         (combine_instructions): Rename check_promoted_subreg to
2174         check_conversions.
2175         (reg_truncated_to_mode): New function.
2176         (make_extraction): Use it.  Check TRULY_NOOP_TRUNCATION.
2177         (gen_lowpart_or_truncate): New function.
2178         (force_to_mode): Use it instead of gen_lowpart.
2179
2180 2006-01-13  Diego Novillo  <dnovillo@redhat.com>
2181
2182         * tree-ssa-alias.c (add_type_alias): Fix typo.  Test whether
2183         VAR is a tag, not its type tag.
2184
2185 2006-01-13  Alexandre Oliva  <aoliva@redhat.com>
2186
2187         * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
2188         alternatives to match style of other entries.
2189         (*vec_extractv2di_1_sse): Likewise.  Fix mode attr.
2190
2191 2006-01-13  Daniel Berlin  <dberlin@dberlin.org>
2192
2193         PR tree-optimization/25771
2194         * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
2195         SSA_NAMES.
2196
2197 2006-01-13  Andrew Pinski  <pinskia@physics.uc.edu>
2198
2199         PR tree-opt/24365
2200         * tree-inline.c (declare_return_variable): If the return variable
2201         was marked as a non gimple complex, set the return slot variable
2202         to be a non gimple comple variable.
2203
2204 2006-01-13  Richard Guenther  <rguenther@suse.de>
2205
2206         * builtins.c (expand_builtin_sincos): New function.
2207         (expand_builtin_mathfn_3): Remove dead code, sin and cos
2208         do not set errno.
2209         (expand_builtin): Expand sincos using expand_builtin_sincos.
2210
2211 2006-01-12  DJ Delorie  <dj@redhat.com>
2212
2213         * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
2214         shift counts, separate SI shifts for m32c vs m16c, pass shift type
2215         so that constant shifts can be split.
2216         * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
2217         (m32c_valid_pointer_mode): Make static.
2218         (shift_gen_func_for): New.
2219         (m32c_prepare_shift): Use it.  Split large const shifts into
2220         multiple shifts.
2221         * config/m32c/predicates.md (shiftcount_operand): Allow more
2222         general operands.
2223         (longshiftcount_operand): New.
2224         * doc/md.texi (Machine Constraints): Document In6.
2225
2226 2006-01-13  Ben Elliston  <bje@au.ibm.com>
2227
2228         * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
2229         REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
2230         documentation.
2231
2232 2006-01-12  Daniel Berlin  <dberlin@dberlin.org>
2233
2234         * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
2235         to try to avoid clobbering pieces of structures when we know
2236         something about the whole structure.
2237         * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
2238
2239 2006-01-13  Ben Elliston  <bje@au.ibm.com>
2240
2241         * doc/rtl.texi (Insns): Remove statement that libcalls cannot
2242         return in memory, as this is no limitation is no longer present.
2243
2244 2006-01-12  DJ Delorie  <dj@redhat.com>
2245
2246         * config/m32c/addsub.md (addhi3): Add two more alternatives, for
2247         mova with fb, and for fb+0 -> An.
2248
2249         * config/m32c/mov.md (peephole2): Fix enabling logic.
2250
2251         * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
2252         DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
2253         DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
2254         FINI_ARRAY_SECTION_ASM_OP): Define.
2255
2256         * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
2257         variable.
2258         (m32c_legitimize_reload_address): New logic to reload FB to An.
2259         (m32c_output_reg_push): Add newline.
2260         (m32c_output_reg_pop): Likewise.
2261
2262 2006-01-12  Ulrich Weigand  <uweigand@de.ibm.com>
2263
2264         * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
2265
2266 2006-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
2267
2268         * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
2269
2270 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
2271
2272         * config/sh/predicates.md (sh_rep_vec): Add parallel to
2273         match_code.
2274
2275 2006-01-11  Ben Elliston  <bje@au.ibm.com>
2276
2277         * rtlanal.c (find_reg_note): Assert insn is not null.
2278
2279 2006-01-11  Kenneth Zadeck <zadeck@naturalbridge.com>
2280
2281         * df-scan.c (df_hard_reg_init): Move declaration of i outside
2282         ifdef.
2283
2284 2006-01-11  Jeff Law  <law@redhat.com>
2285
2286         * tree-ssa-threadupdate.c (threaded_edges): New VEC to
2287         hold edge pairs.
2288         (mark_threaded_blocks, register_jump_thread): New functions.
2289         (thread_through_all_blocks): Remove unwanted argument.  No
2290         longer rely on e->aux to communicate thread target info.
2291         Call mark_threaded_blocks.  Release the threaded_blocks
2292         bitmap and threaded_edges vector when complete.
2293         * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
2294         (threaded_blocks): Remove.
2295         (tree_ssa_dominator_optimize): Remove initialization and
2296         finalization of threaded_blocks.  Simplify call to
2297         thread_through_all_blocks.
2298         (thread_across_edge): Call register_jump_thread rather than
2299         storing thread information into e->aux.
2300         (free_all_edge_infos): Simplify now that e->aux is no longer
2301         used to communicate with thread_through_all_blocks.
2302         * tree-flow.h (thread_through_all_blocks): Update prototype.
2303         (register_jump_thread): Prototype.
2304
2305 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
2306
2307         * df-core.c (df_compact_blocks, df_bb_replace): Use
2308         SET_BASIC_BLOCK instead of BASIC_BLOCK.
2309
2310 2006-01-11  Richard Guenther  <rguenther@suse.de>
2311
2312         PR tree-optimization/25734
2313         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
2314         stop propagation after successful propagation to the LHS.
2315
2316 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
2317
2318         * basic-block.h (control_flow_graph): Change the type of
2319         x_basic_block_info to VEC(basic_block,gc) *.
2320         (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
2321         basic_block_info.
2322         (SET_BASIC_BLOCK): New.
2323         * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
2324         instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
2325         * cfgbuild.c (find_basic_blocks): Likewise.
2326         * cfglayout.c (fixup_reorder_chain): Likewise.
2327         * cfgrtl.c (create_basic_block_structure,
2328         rtl_create_basic_block): Likewise.
2329         * ifcvt.c (find_if_case_1): Likewise.
2330         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
2331         Likewise.
2332
2333 2006-01-11  Kenneth Zadeck <zadeck@naturalbridge.com>
2334
2335         * Makefile.in: Removed rotted odf.c entry.
2336
2337 2006-01-11  Hans-Peter Nilsson  <hp@axis.com>
2338
2339         PR target/25706
2340         * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
2341         ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
2342         ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
2343         output pattern modifier, not %e.
2344         * config/cris/cris.c (cris_op_str): Update comment about pattern
2345         modifier.
2346         (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
2347         before falling through into...
2348         <case 'E'>: Redefined from old 'e' case.
2349
2350 2006-01-11  Jan Hubicka  <jh@suse.cz>
2351
2352         PR target/25042
2353         * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
2354
2355 2006-01-11  Jan Hubicka  <jh@suse.cz>
2356
2357         * i386.h (TARGET_DECOMPOSE_LEA): Kill.
2358         * i386.c (x86_decompose_lea): Kill.
2359         (ix86_rtx_costs): Kill.
2360
2361 2006-01-11  Jan Hubicka  <jh@suse.cz>
2362
2363         * cgraph.c (cgraph_insert_node_to_hashtable): New function.
2364         * cgraph.h (cgraph_node): Add inline_decl.
2365         (cgraph_insert_node_to_hashtable): Declare.
2366         (save_inline_function_body): Declare.
2367         * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
2368         clones.
2369         (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
2370         (cgraph_function_versioning): Update call of tree_function_versioning.
2371         (save_inline_function_body): New function.
2372         * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
2373         saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
2374         * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
2375         (cgraph_default_inline_p): Likewise.
2376         (cgraph_decide_inlining_incrementally): Likewise.
2377         * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
2378         (copy_bb): Kill saving; do updating of clones.
2379         (copy_cfg_body): Kill saving.
2380         (initialize_inlined-parameters): Likewise.
2381         (expand_call_inline): Likewise.
2382         (save_body): Kill.
2383         (tree_function_versioning): New parameter "update_clones".
2384         (inlining_p): Kill saving.
2385         * tree-inline.h (tree_function_versioning): Update prototype.
2386         * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
2387         saving.
2388
2389 2006-01-11  Ian Lance Taylor <ian@airs.com>
2390
2391         * combine.c (struct undo): Remove is_int.  Enumify types of undos.
2392         Allow undoing set of machine mode.
2393         (do_SUBST): Use enums instead of is_int.
2394         (do_SUBST_MODE): New function.
2395         (SUBST_MODE): New macro.
2396         (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
2397         reg and trying to replace reg_regno_rtx with a new register.
2398         (undo_all): Use new enums, handle undoing a PUT_MODE change.
2399         (simplify_set): Use SUBST_MODE.
2400         (distribute_notes): Remove code that tried to update reg notes
2401         for regno_reg_rtx changes.
2402
2403 2006-01-11  Paolo Bonzini  <bonzini@gnu.org>
2404
2405         PR tree-optimization/23109
2406         PR tree-optimization/23948
2407         PR tree-optimization/24123
2408
2409         * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
2410         * tree-cfg.c (single_noncomplex_succ): New.
2411         * tree-flow.h (single_noncomplex_succ): Declare it.
2412         * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2413         * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2414         (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
2415         insert_bb, register_division_in, insert_reciprocals,
2416         replace_reciprocal, free_bb): New.
2417         (execute_cse_reciprocals_1): Rewritten.
2418         (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
2419         Do not commit any edge insertion.  Always compute dominators and
2420         create the allocation pool.
2421         * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
2422         * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
2423         * targhooks.c (default_min_divistions_for_recip_mul): New.
2424         * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
2425         * passes.c (init_optimization_passes): Run recip after tree loop
2426         optimizations.
2427         * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
2428
2429 2006-01-11  Danny Berlin <dberlin@dberlin.org>
2430             Kenneth Zadeck <zadeck@naturalbridge.com>
2431
2432         * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
2433         DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
2434         DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
2435         DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
2436         DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
2437         DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
2438         DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
2439         DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
2440         DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
2441         DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
2442         DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
2443         DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
2444         DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
2445         DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
2446         DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
2447         DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
2448         DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
2449         DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
2450         DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
2451         DF_SCAN_POST_ALLOC): New macros.
2452         (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
2453         df_free_bb_function, df_local_compute_function, df_init_function,
2454         df_dataflow_function, df_confluence_function_0,
2455         df_confluence_function_n, df_transfer_function,
2456         df_finalizer_function, df_free_function, df_dump_problem_function,
2457         df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
2458         df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
2459         df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
2460         df_urec_bb_info, ) New types.
2461         (df_invalidated_by_call, df_all_hard_regs, df_state) New public
2462         variables.
2463         (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
2464         df_analyze_simple_change_some_blocks,
2465         df_analyze_simple_change_one_block, df_compact_blocks,
2466         df_bb_replace, df_bb_regno_last_use_find,
2467         df_bb_regno_first_def_find, df_bb_regno_last_def_find,
2468         df_insn_regno_def_p, df_find_def, df_find_use,
2469         df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
2470         df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
2471         df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
2472         debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
2473         debug_df_chain, df_get_dependent_problem, df_chain_create,
2474         df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
2475         df_grow_bb_info, df_chain_dump, df_print_bb_index,
2476         df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
2477         df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
2478         df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
2479         df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
2480         df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
2481         df_rescan_blocks, df_ref_create, df_get_artificial_defs,
2482         df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
2483         df_ref_remove, df_insn_refs_delete, df_refs_delete,
2484         df_reorganize_refs, df_set_state, df_hard_reg_init,
2485         df_read_modify_subreg_p) New public functions.
2486         * df-core.c: The core dataflow solver and glue routines for rtl
2487         dataflow.
2488         (df_init, df_add_problem, df_set_blocks, df_finish,
2489         df_hybrid_search_forward, df_hybrid_search_backward,
2490         df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
2491         df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
2492         df_bb_regno_last_use_find, df_bb_regno_first_def_find,
2493         df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
2494         df_reg_defined, df_find_use, df_reg_used, df_dump,
2495         df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
2496         df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
2497         debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
2498         debug_df_useno, reset_df_after_reload): New functions.
2499         * df-scan.c: The scanning fuctions, once in df.c, completely
2500         rewritten so that they now fully model the functionality of
2501         register usage at the backend.
2502         (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
2503         df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
2504         df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
2505         df_grow_insn_info, df_rescan_blocks, df_ref_create,
2506         df_get_artificial_defs, df_get_artificial_uses,
2507         df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
2508         df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
2509         df_refs_delete, df_reorganize_refs, df_set_state,
2510         df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
2511         df_def_record_1, df_defs_record, df_uses_record,
2512         df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
2513         df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
2514         df_record_exit_block_uses, df_hard_reg_init): New functions.
2515
2516         * df-problems.c: Seven concrete dataflow problems that use the
2517         scanning in df-scan.c and are solved by the engine in df-core.c.
2518         (df_get_dependent_problem, df_chain_create, df_chain_unlink,
2519         df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
2520         df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
2521         df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
2522         df_ru_free_bb_info, df_ru_alloc,
2523         df_ru_bb_local_compute_process_def,
2524         df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
2525         df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
2526         df_ru_transfer_function, df_ru_free, df_ru_dump,
2527         df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
2528         df_rd_free_bb_info, df_rd_alloc,
2529         df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
2530         df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
2531         df_rd_transfer_function, df_rd_free, df_rd_dump,
2532         df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
2533         df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
2534         df_lr_local_compute, df_lr_init, df_lr_confluence_0,
2535         df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
2536         df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
2537         df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
2538         df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
2539         df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
2540         df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
2541         df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
2542         df_urec_mark_reg_change, df_urec_check_earlyclobber,
2543         df_urec_mark_reg_use_for_earlyclobber,
2544         df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
2545         df_urec_local_compute, df_urec_init, df_urec_local_finalize,
2546         df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
2547         df_urec_dump, df_urec_add_problem, df_chain_alloc,
2548         df_chain_create_bb_process_use, df_chain_create_bb,
2549         df_chain_finalize, df_chain_free, df_chains_dump,
2550         df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
2551         df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
2552         df_reg_lifetime): New functions.
2553         * df.c: Deleted file.
2554         * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
2555         consistent with new df api.
2556         * modulo-sched.c (sms_schedule, rest_of_handle_sms,
2557         rest_of_handle_sms): Ditto.
2558         * web.c (unionfind_union, union_defs, entry_register, web_main):
2559         Ditto.
2560         * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
2561         invariant_expr_equal_p, find_defs, check_dependencies,
2562         find_invariant_insn, find_invariants_to_move, move_invariant_reg,
2563         free_inv_motion_data, move_loop_invariants): Ditto.
2564         * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
2565         Update dependencies.
2566         (odf.c): Added defective entry that was deleted later in day.
2567         * sched-deps.c (sched_analyze_1): Ditto.
2568
2569 2006-01-11  Zdenek Dvorak <dvorakz@suse.cz>
2570
2571         * tree-ssa-operands.c (get_expr_operands): Record addressable
2572         variables directly.  Do not call add_stmt_operands for CONST_DECLs
2573         and ARRAY_DECLs.
2574         (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
2575         (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
2576
2577 2006-01-11  Ben Elliston  <bje@au.ibm.com>
2578
2579         * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
2580         function returns true in the positive case.
2581
2582 2006-01-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2583
2584         PR target/20754
2585         * config/pa/pa.md: Create separate 32 and 64-bit move patterns
2586         for SI, DI, SF and DF modes.  Add alternatives to copy between
2587         general and floating point registers to the 32-bit patterns.
2588         * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
2589         * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
2590         (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
2591         generating 64-bit code.
2592         * config/pa/pa.c (output_move_double): Handle copies between general
2593         and floating registers.
2594
2595 2006-01-10  Stuart Hastings  <stuart@apple.com>
2596
2597         * config/i386/i386.md (set_got): Update.
2598         (set_got_labelled): New.  (UNSPEC_LD_MPIC): New.
2599         (builtin_setjmp_receiver): Mach-O support.
2600         * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
2601         (GOT_SYMBOL_NAME): Define.
2602         (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
2603         (TARGET_DEEP_BRANCH_PREDICTION): Remove.
2604         * config/i386/i386.c (override_options): Revise for Darwin.
2605         (USE_HIDDEN_LINKONCE): Enable for Mach-O.  (ix86_file_end): Mach-O
2606         support.  (darwin_x86_file_end): New.  (output_set_got): Add label
2607         parameter, revise for Mach-O.  (x86_output_mi_thunk): Likewise.
2608         * config/i386/i386-protos.h (output_set_got): Likewise.
2609         * config/darwin.c (machopic_legitimize_pic_address): Update
2610         regs_ever_live[].
2611
2612 2006-01-10  Kaz Kojima  <kkojima@gcc.gnu.org>
2613
2614         * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
2615         when MODE isn't BLKmode.
2616
2617 2006-01-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
2618
2619         PR rtl-optimization/25367
2620         * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
2621
2622 2006-01-10  Hans-Peter Nilsson  <hp@axis.com>
2623
2624         PR target/25718
2625         * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
2626         for a negative bound.
2627
2628 2006-01-10  Richard Guenther  <rguenther@suse.de>
2629
2630         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2631         Never override with anything constraint.
2632
2633 2006-01-10  Jan Beulich  <jbeulich@novell.com>
2634
2635         * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
2636         256 bits when optimize_size.
2637
2638 2006-01-10  Jan Beulich  <jbeulich@novell.com>
2639
2640         * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
2641         MASK_ALIGN_DOUBLE.
2642         * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
2643         * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
2644         arguments.
2645
2646 2006-01-10  Ben Elliston  <bje@au.ibm.com>
2647
2648         * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
2649         float modes.
2650         * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
2651         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2652         (USE_FP_FOR_ARG): Reject decimal float modes.
2653         (function_arg_advance): Likewise.
2654         (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
2655         (rs6000_handle_altivec_attribute): Do not permit decimal floating
2656         point types in AltiVec vectors.
2657         (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
2658         (rs6000_libcall_value): Likewise.
2659
2660 2006-01-09  Bob Wilson  <bob.wilson@acm.org>
2661
2662         * config/xtensa/ieee754-df.S: New file.
2663         * config/xtensa/ieee754-sf.S: New file.
2664         * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
2665         (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
2666         * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
2667
2668 2006-01-09  Kazu Hirata  <kazu@codesourcery.com>
2669
2670         * config/sh/predicates.md (binary_float_operator,
2671         binary_logical_operator, commutative_float_operator,
2672         equality_comparison_operator, greater_comparison_operator,
2673         less_comparison_operator, logical_operator,
2674         noncommutative_float_operator, shift_operator,
2675         symbol_ref_operand, unary_float_operator): Remove redundant
2676         conditionals.
2677
2678 2006-01-09  Jeff Law  <law@redhat.com>
2679
2680         * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
2681         code to propagate the RHS of a cast into COND_EXPR_COND.  Remove
2682         now unused arguments.  Callers updated.
2683         (eliminate_redundant_computations): Remove now unused arguments,
2684         callers updated.
2685         (local_fold): Remove, no longer used.
2686         (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
2687         and moved to...
2688         * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
2689         (simplify_cond): New function.
2690         (forward_propagate_into_cond): Call simplify_cond.
2691
2692 2006-01-09  Alexandre Oliva  <aoliva@redhat.com>
2693
2694         * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
2695         (*vec_extractv2di_1_sse): New.
2696
2697 2006-01-09  Ben Elliston  <bje@au.ibm.com>
2698
2699         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
2700
2701 2006-01-08  Richard Guenther  <rguenther@suse.de>
2702
2703         * tree-ssa-structalias.c (get_constraint_for): Remove
2704         anyoffset argument.
2705         (get_constraint_for_component_ref): Likewise.
2706         (do_deref): Likewise.
2707         (get_constraint_for): Likewise.
2708         (do_structure_copy): Likewise.
2709         (handle_ptr_arith): Likewise.
2710         (find_func_aliases): Likewise.  Remove unused need_anyoffset
2711         variable.
2712
2713 2006-01-08  J"orn Rennecke  <joern.rennecke@st.com>
2714             Kaz Kojima  <kkojima@gcc.gnu.org>
2715
2716         * config/sh/sh.h (CONST_OK_FOR_K16): Define.
2717         (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
2718         (EXTRA_CONSTRAINT_C16): Remove.
2719         (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
2720         (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
2721         EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
2722         * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
2723         constants of SHmedia.  Handle nested constant expressions of
2724         SHmedia correctly.
2725         (andcosts): Fix the costs for SHmedia constants.
2726         (sh_rtx_costs): Take account of outer_code for SHmedia constants.
2727         * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
2728         (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
2729         (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
2730         (movv4hi_i, movv2si_i): Likewise.
2731         (movsi_const): Adjust the second operand of ior so to match with
2732         the Csu constraint.
2733         (movdi_const, movdi_const_32bit): Likewise.
2734         (movdi_const_16bit+1): Don't sign-extend LOW.
2735         (movdi_const_16bit+2): Likewise.  Remove the zero_extend and truncate
2736         step.
2737         (*double_shori): Fix the split condition.  Use GEN_INT instead
2738         of get_int_mode calls.  Mask lower 16-bit of the argument of
2739         the last GEN_INT.
2740         (sym2GOTPLT): Remove.
2741         (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
2742         gen_rtx_UNSPEC.
2743         * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
2744         instead of EXTRA_CONSTRAINT_C16.
2745
2746 2006-01-07  Ian Lance Taylor  <ian@airs.com>
2747             David Edelsohn  <edelsohn@gnu.org>
2748
2749         PR rtl-optimization/25662
2750         * optabs.c (simplify_expand_binop): Use simplify_binary_operation
2751         for constant operands instead of simplify_gen_binary.
2752         * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
2753         after trying simplify_binary_operation
2754
2755 2006-01-06  Daniel Berlin  <dberlin@dberlin.org>
2756
2757         * tree.c (iterative_hash_expr): Hash decls based on UID.
2758
2759 2006-01-06  Eric Christopher  <echristo@apple.com>
2760
2761         * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
2762         (TARGET_UNWIND_EMIT): Fix spelling.
2763         * target.h (gcc_target): Add except_table_label.
2764         * except.c (output_function_exception_table): Use.
2765         * varasm.c (default_emit_except_table_label): New.
2766         * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
2767         define.
2768         (asm_out): Add here.
2769         * output.h (default_emit_except_table_label): Prototype.
2770         * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
2771         * config/darwin.c (darwin_emit_except_table_label): Define.
2772         * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
2773
2774 2006-01-06  Zdenek Dvorak <dvorakz@suse.cz>
2775
2776         PR tree-optimization/18527
2777         * tree-ssa-loop-niter.c (number_of_iterations_cond,
2778         number_of_iterations_special, number_of_iterations_exit):
2779         Move base and step of an iv to a single structure.  Add
2780         no_overflow flag, and use it in # of iterations analysis.
2781         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
2782         folded_casts argument.
2783         (simple_iv): Pass base and step in a structure.  Set no_overflow
2784         flag.
2785         (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
2786         Evaluate expensiveness of computing # of iterations instead of
2787         the final expression.
2788         * tree-scalar-evolution.h (affine_iv): New structure.
2789         (simple_iv): Declaration changed.
2790         * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
2791         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
2792         find_givs_in_stmt): Changed due to simple_iv change.
2793
2794 2006-01-06  Jeff Law  <law@redhat.com>
2795
2796         PR ada/24994
2797         * tree-cfg.c (bsi_replace): Rename final argument from
2798         PRESERVE_EH_INFO to UPDATE_EH_INFO.  Fix typo in last
2799         change (stmt -> orig_stmt).
2800         * tree-eh.c (verify_eh_throw_stmt_node): New function.
2801         (bsi_remove): Add new argument.  Remove EH information
2802         if requested.
2803         (verify_eh_throw_table_statements): New function.
2804         (bsi_remove): Add new argument REMOVE_EH_INFO.  All callers
2805         updated.
2806         * tree-optimize.c (execute_free_cfg_annotations): Verify
2807         the EH throw statement table after removing annotations.
2808         * except.h (verify_eh_throw_table_statements): Prototype.
2809         * tree-flow.h (bsi_remove): Update prototype.
2810         * tree-vrp.c (remove_range_assertions): Add new argument to
2811         bsi_remove call.
2812         * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
2813         * tree-complex.c (expand_complex_div_wide): Likewise.
2814         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
2815         * tree-tailcall.c (eliminate_tailcall): Likewise.
2816         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
2817         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
2818         * tree-nrv.c (tree_nrv): Likewise.
2819         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
2820         * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
2821         (combine_blocks): Likewise.
2822         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
2823         * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
2824         (cleanup_control_flow): Likewise.
2825         (remove_forwarder_block): Likewise.
2826         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
2827         * tree-sra.c (sra_replace): Likewise.
2828         * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
2829         (forward_propagate_single_use_vars): Likewise.
2830         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
2831         * tree-inline.c (expand_call_inline): Likewise.
2832         * tree-vect-transform.c (vect_transform_loop): Likewise.
2833         * tree-outof-ssa.c (rewrite_trees): Likewise.
2834         * tree-cfg.c (make_goto_expr_edges): Likewise.
2835         (cleanup_dead_labels): Likewise.
2836         (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
2837         (bsi_move_before, bsi_move_after): Likewise.
2838         (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
2839         (tree_redirect_edge_and_branch, tree_split_block): Likewise.
2840
2841 2006-01-06  Andrew Pinski  <pinskia@physics.uc.edu>
2842
2843         PR tree-opt/25528
2844         * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
2845         and IMAGPART_EXPR.
2846         * tree-flow-inline.h (var_can_have_subvars): Handle complex types
2847         on non gimple variables.  Also add checks at the top for decls and
2848         mtags.
2849         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
2850         complex types.
2851         * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
2852         and IMAGPART_EXPR for creating MUST_DEFs.
2853         (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
2854         and NAME_MEMORY_TAG separately from the DECLs.
2855
2856 2006-01-06  Richard Guenther  <rguenther@suse.de>
2857
2858         * tree-dfa.c (mark_new_vars_to_rename): Create stmt
2859         annotation, if necessary.
2860         * tree-ssa-pre.c (create_expression_by_pieces): Remove
2861         redundant calls to update_stmt.
2862         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
2863         Likewise.
2864
2865 2006-01-05  Richard Henderson  <rth@redhat.com>
2866
2867         * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
2868
2869 2006-01-05  Carlos O'Donell  <carlos@codesourcery.com>
2870
2871         * c-typeck.c: Update copyright date.
2872
2873 2006-01-05  Carlos O'Donell  <carlos@codesourcery.com>
2874
2875         * c-typeck.c (build_c_cast): Always warn when casting
2876         from a pointer to an integer of different size, even if
2877         the node was constant.
2878
2879 2006-01-05  Richard Guenther  <rguenther@suse.de>
2880
2881         PR tree-optimization/22555
2882         * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
2883         if one structure field is an array.
2884         * tree-ssa-operands.c (get_expr_operands): Continue scanning
2885         operands even if we found a subvar, but ignore VOPs in this
2886         case.
2887         * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
2888         for renaming.
2889         * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
2890
2891 2006-01-05  Richard Earnshaw  <rearnsha@arm.com>
2892
2893         PR middle-end/24998
2894         * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
2895
2896 2006-01-05  Richard Guenther  <rguenther@suse.de>
2897             Diego Novillo  <dnovillo@redhat.com>
2898
2899         * tree-pass.h (TODO_remove_unused_locals): Define.
2900         * gimple-low.c (expand_var_p, remove_useless_vars,
2901         pass_remove_useless_vars): Remove.  Update all users.
2902         * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
2903         (remove_unused_locals): New function.
2904         * tree-flow.h (remove_unused_locals): Declare.
2905         * passes.c (execute_todo): Call remove_unused_locals if
2906         TODO_remove_unused_locals is set.
2907         * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
2908         * tree-ssa-dce.c (pass_dce): Likewise.
2909         * tree-outof-ssa.c (pass_del_ssa): Likewise.
2910
2911 2006-01-05  Richard Guenther  <rguenther@suse.de>
2912
2913         * tree-flow.h (struct fieldoff): Decompose field to
2914         type, size and decl.
2915         * tree-ssa-alias.c (create_sft): Take type as parameter.
2916         (create_overlap_variables_for): Store type, size and decl
2917         in the fieldoff structure.
2918         * tree-ssa-structalias.c (fieldoff_compare): Adjust users
2919         of struct fieldoff.
2920         (push_fields_onto_fieldstack): Likewise.
2921         (create_variable_info_for): Likewise.  Use offset for the
2922         SFT name if the decl is not available.
2923
2924 2006-01-04  Paul Brook  <paul@codesourcery.com>
2925
2926         * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
2927
2928 2006-01-04  Daniel Berlin  <dberlin@dberlin.org>
2929
2930         * lambda-code.c (can_put_in_inner_loop): Relax
2931         restrictions.
2932         (can_put_after_inner_loop): New function.
2933         (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
2934         (perfect_nestify): Change to make copies and modify uses.
2935
2936 2006-01-04  Richard Henderson  <rth@redhat.com>
2937
2938         Merge from gomp branch:
2939         * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
2940         via integer constant.
2941         (pragma_lex): Remove.
2942         * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
2943         rather than parsing it.
2944         * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
2945         handle_pragma_extern_prefix): Add %< %> quotes.
2946         (registered_pragmas): New.
2947         (c_register_pragma_1): New.
2948         (c_register_pragma): Use it.
2949         (c_register_pragma_with_expansion): Likewise.
2950         (c_invoke_pragma_handler): New.
2951         (init_pragma): Use cpp_register_deferred_pragma directly for
2952         pch_preprocess.
2953         * c-pragma.h (enum pragma_kind): New.
2954         (pragma_handler): New.
2955         (c_invoke_pragma_handler): Declare.
2956         * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
2957         CPP_PRAGMA_EOL.
2958         * c-common.h (c_common_pch_pragma): Update decl.
2959         * Makefile.in (c-parser.o): Update dependencies.
2960         (GTFILES): Add c-pragma.h.
2961         * c-parser.c (struct c_token): Add pragma_kind.
2962         (struct c_parser): Add in_pragma.
2963         (c_lex_one_token): Always initialize keyword and pragma_kind.
2964         Extract data for CPP_PRAGMA.
2965         (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
2966         (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
2967         Don't allow CPP_PRAGMA_EOL if in_pragma.
2968         (c_parser_consume_pragma): New.
2969         (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
2970         (c_parser_skip_to_end_of_parameter): Likewise.
2971         (c_parser_skip_to_end_of_block_or_statement): Likewise.
2972         (c_parser_skip_to_pragma_eol): New.
2973         (c_parser_external_declaration): Handle CPP_PRAGMA.
2974         (c_parser_compound_statement_nostart): Likewise.
2975         (c_parser_statement_after_labels): Likewise.
2976         (c_parser_pragma): New.
2977         (pragma_lex): Likewise.
2978         (c_parser_pragma_pch_preprocess): New.
2979         (c_parser_new): Merge into ...
2980         (c_parse_file): ... here.  Call c_parser_pragma_pch_preprocess.
2981
2982 2006-01-04  Jeff Law  <law@redhat.com>
2983
2984         PR ada/24994
2985         * tree-cfg.c (bsi_replace): Remove the original statement
2986         from the EH throw statement table.
2987
2988 2006-01-04  Jakub Jelinek  <jakub@redhat.com>
2989
2990         * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
2991         make the prototype extern "C" and add throw ().
2992
2993         PR target/25554
2994         * config/i386/i386.md (testqi_ext_3): Ensure len is positive
2995         and pos non-negative and pos + len <= 32.
2996         (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
2997         drop pos + len < HOST_BITS_PER_WIDE_INT test.
2998         (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
2999
3000         PR c/25559
3001         * c-common.c (handle_vector_size_attribute): Reject zero vector size
3002         as well as sizes not multiple of component size.
3003
3004         PR debug/25562
3005         * function.c (instantiate_expr): New function.
3006         (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
3007         walk its DECL_VALUE_EXPR with instantiate_expr.
3008
3009         * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
3010         DW_OP_deref{,_size} if address isn't going to be added.
3011
3012 2006-01-04  Ben Elliston  <bje@au.ibm.com>
3013
3014         * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
3015         * config/fp-bit.c: Likewise.
3016
3017 2006-01-03  Daniel Berlin  <dberlin@dberlin.org>
3018
3019         * dominance.c: Add comment about why we use DFS numbering
3020         of dominance tree.
3021
3022 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
3023             Richard Henderson  <rth@redhat.com>
3024
3025         Merge from gomp-branch:
3026         * varasm.c (assemble_variable): Handle thread-local COMMON data.
3027         * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
3028
3029 2006-01-03  Paolo Bonzini  <bonzini@gnu.org>
3030
3031         PR rtl-optimization/25578
3032         * combine.c (combine_simplify_rtx, force_to_mode): Don't
3033         pass a parameter to simplify_shift_const if changing ASHIFTRT
3034         to LSHIFTRT.
3035
3036 2006-01-03  Adrian Straetling  <straetling@de.ibm.com>
3037
3038         * builtins.c (get_builtin_sync_mem): New function.
3039         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
3040         expand_builtin_lock_test_and_set, expand_builtin_lock_release):
3041         Call get_builtin_sync_mem to generate mem rtx.
3042
3043 2006-01-03  Richard Guenther  <rguenther@suse.de>
3044
3045         PR c/25183
3046         * stmt.c (add_case_node): Make sure to clear overflow flags
3047         from ranges.
3048
3049 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
3050
3051         Merge from gomp-branch.
3052         * config/sparc/sync.md: New file.
3053         * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
3054         UNSPECV_LDSTUB): New constants.
3055         * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
3056         * config/sparc/predicates.md (memory_reg_operand): New predicate.
3057         * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
3058         prototype.
3059
3060 2006-01-03  Roger Sayle  <roger@eyesopen.com>
3061
3062         * combine.c (reg_subword_p): New predicate to test whether the
3063         destination of a set refers to a subword/piece of a register.
3064         (try_combine): Generalize the code to merge the setting of a
3065         pseudo to a constant followed by a set of a subword of that
3066         register to a constant.
3067
3068 2006-01-03  Kazu Hirata  <kazu@codesourcery.com>
3069
3070         * basic-block.h (control_flow_graph): Change the type of
3071         x_label_to_block_map to VEC(basic_block,gc) *.
3072         * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
3073         set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
3074
3075         * tree-ssa-propagate.c (cfg_blocks): Change the type to
3076         VEC(basic_block,heap) *.
3077         (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
3078         ssa_prop_fini): Adjust the uses of cfg_blocks.
3079
3080 2006-01-03  Steven Bosscher  <stevenb.gcc@gmail.com>
3081
3082         * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
3083         COMPONENT_REFs.
3084         * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
3085         hashing trees instead of a pointer hash.
3086         (mem_attrs_htab_eq): Do a deep compare instead of a pointer
3087         compare for MEM_EXPR.
3088
3089         PR rtl-optimization/25130
3090         * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
3091         when comparing MEMs for GCSE
3092
3093 2006-01-03  Ben Elliston  <bje@au.ibm.com>
3094
3095         * targhooks.h (default_decimal_float_supported_p): Declare.
3096         * targhooks.c (default_decimal_float_supported_p): Define.
3097         * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
3098         `default_decimal_float_supported_p'.
3099         * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
3100
3101 2006-01-02  Adam Nemet  <anemet@caviumnetworks.com>
3102
3103         * combine.c (apply_distributive_law <SUBREG>): Check
3104         TRULY_NOOP_TRUNCATION.
3105
3106 2006-01-02  Geoffrey Keating  <geoffk@apple.com>
3107
3108         * dwarf2out.c (have_switched_text_section): Delete.
3109         (have_multiple_function_sections): New.
3110         (have_location_lists): Make 'bool'.
3111         (add_AT_loc_list): Use 'true' not '1'.
3112         (dwarf2out_switch_text_section): Set have_multiple_function_sections.
3113         (output_loc_list): Use have_multiple_function_sections.
3114         (output_ranges): Likewise.
3115         (dwarf2out_begin_function): Set have_multiple_function_sections if
3116         necessary.
3117         (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
3118         Check function_section rather than DECL_SECTION_NAME.
3119         (dwarf2out_finish): Use have_multiple_function_sections.
3120         Don't clear have_location_lists.
3121
3122 2006-01-02  Eric Botcazou  <ebotcazou@adacore.com>
3123             Jan Hubicka  <jh@suse.cz>
3124
3125         * cfglayout.c (fixup_reorder_chain): Remove kludge for the
3126         case of conditional jump jumping to the next instruction.
3127         * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
3128         cases of conditional jump jumping to the next instruction.
3129
3130 2006-01-02  Jan Hubicka  <jh@suse.cz>
3131
3132         * i386.c (*_cost): Add COSTS_N_INSNS.
3133         (ix86_rtx_costs): Do not use COSTS_N_INSNS.
3134
3135 2006-01-02  Paolo Bonzini  <bonzini@gnu.org>
3136
3137         PR target/25259
3138         * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
3139
3140 2006-01-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3141
3142         * config/arm/arm.c (all_fpus): Fix comment typo.
3143         * config/darwin.c: Likewise.
3144         * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
3145         * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
3146         * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
3147
3148 2006-01-01  David Edelsohn  <edelsohn@gnu.org>
3149
3150         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
3151         (rs6000_split_compare_and_swapqhi): New.
3152         * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
3153         (sync_compare_and_swapqhi_internal): New.
3154         * config/rs6000/rs6000-protos.h: Declare.