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PR target/22209
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2006-02-08  Roger Sayle  <roger@eyesopen.com>
2
3         PR target/22209
4         * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
5         * config/mips/_tilib.c: Remove.
6         * config/fixtfdi.c: New libgcc source file.
7         * config/fixunstfdi.c: New source file.
8         * config/floatditf.c: New source file.
9         * config/floatunditf.c: New souce file.
10         * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
11         files above instead of config/mips/_tilib.c.
12         * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
13
14 2006-02-08  Jeff Law  <law@redhat.com>
15
16         PR tree-optimization/26169
17         * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
18         threading jumps.
19
20 2006-02-08  Zdenek Dvorak <dvorakz@suse.cz>
21
22         * df.h (DF_REG_SIZE): Return the length of the initialized
23         part of the array.
24
25 2006-02-08  Nathan Sidwell  <nathan@codesourcery.com>
26
27         * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
28         __muldf3): Return a correctly signed zero.
29
30 2006-02-08  Paolo Bonzini  <bonzini@gnu.org>
31
32         * passes.c (register_one_dump_file): Accept the current properties
33         instead of pass number.  Adjust call to dump_register.  Remove
34         duplicated code.
35         (register_dump_files): Now a wrapper around...
36         (register_dump_files_1): ... this one.  Do not modify the pass
37         structure.
38         (next_pass_1): Cosmetic fix.
39         (execute_todo): Keep second parameter only.  Use curr_properties
40         instead of fetching it from the pass structure.  Check and set
41         last_verified.
42         (execute_one_pass): Handle TODO_set_props.  Use curr_properties
43         instead of fetching it from the pass structure.  Fix calls to
44         execute_todo.  Update curr_properties and initialize .vcg RTL dump
45         after running the pass.  Reset last_verified.
46         * tree-dump.c (dump_files): Renumber consecutively.  Put .cgraph dump
47         at the beginning.
48         (FIRST_AUTO_NUMBERED_DUMP): New.
49         (dump_register): Remove "num" parameter, assign it within the
50         function.
51         (get_dump_file_name): Modify template for dumps.
52         * tree-dump.h (dump_register): Adjust prototype.
53         * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
54         (PROP_trees): Add PROP_gimple_lomp.
55         (TODO_set_props): New.
56         * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
57         * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
58         * cfgexpand.c (pass_expand): Destroy PROP_trees.
59
60 2006-02-08  Jakub Jelinek  <jakub@redhat.com>
61
62         * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
63         (sparc64-*-linux*): Likewise.
64         * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
65         * config/sparc/t-linux: New file.
66         * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
67         __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
68         (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
69         -m32 -mlong-double-128.
70
71         * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
72         * config/alpha/t-linux: New file.
73         * config/alpha/libgcc-alpha-ldbl.ver: New file.
74
75         * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
76         __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
77         (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
78         * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
79         __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
80         (CPP_ARCH32_SPEC): Remove.
81
82 2006-02-07  Uttam Pawar  <uttamp@us.ibm.com>
83
84         PR tree-optimization/26145
85         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
86         bbs pointer.
87
88 2006-02-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
89
90         PR target/26109
91         * pa.c (attr_length_indirect_call): Don't return length 8 for distances
92         >= 240000 when generating code for SOM runtime.
93         (output_indirect_call): Don't use "b,l" instruction for indirect calls
94         to $$dyncall when generating code for SOM runtime..
95
96 2006-02-07  Dirk Mueller  <dmueller@suse.com>
97
98         PR c++/18150
99         * doc/invoke.texi (-Wsequence-point): Update documentation
100         that -Wsequence-point is implemented for C++ as well.
101
102 2006-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
103
104         * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
105         * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
106         (LIB_SPEC): Likewise.
107         * doc/invoke.texi (SPARC options): Document -pthread.
108
109 2006-02-07  Geoffrey Keating  <geoffk@apple.com>
110
111         * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
112         PIC addresses.
113
114 2006-02-07  Roger Sayle  <roger@eyesopen.com>
115
116         * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
117         Correct comment describing BOOLEAN_TYPE.
118
119 2006-02-07  Dirk Mueller  <dmueller@suse.com>
120
121         * c.opt: C++ frontend supports -Wdiv-by-zero.
122         * c-opts.c (c_common_handle_option): Remove dead case.
123
124 2006-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
125
126         * configure.ac (TLS assembler check): Do not enable TLS by
127         default on SPARC/Solaris before version 10.
128         * configure: Regenerate.
129
130 2006-02-07  David Edelsohn  <edelsohn@gnu.org>
131
132         * doc/invoke.texi (xl-compat): Document conversion and support
133         routine names.
134
135 2006-02-07  Jeff Law  <law@redhat.com>
136
137         * tree-vrp.c (find_conditional_asserts): Update comments.
138         (simplify_stmt_for_jump_threading): New.
139         (identify_jump_threads, finalize_jump_threads): New.
140         (vrp_finalize): Call identify_jump_threads.
141         (execute_vrp): Call finalize_jump_threads.
142         * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
143         (vrp_element, vrp_data, vrp_element_p): Remove.
144         (vrp_hash_elt, vrp_variables_stack): Remove.
145         (vrp_hash, vrp_eq, record_range): Remove.
146         (simplify_cond_and_lookup_avail_expr): Remove.
147         (extract_range_from_cond): Remove.
148         (thread_across_edge): Relocated into tree-ssa-threadedge.c.
149         (simplify_stmt_for_jump_threading): New.
150         (dom_thread_across_edge): New wrapper.
151         (tree_ssa_dominator_optimize): No longer initialize or
152         finalize any of the VRP datastructures.  Remove iteration
153         step and simplify as a result of removal of iteration step.
154         (pass_dominator): Perform a cfg cleanup after DOM.
155         (dom_opt_finalize_block): Use the new common routines
156         for threading jumps.  Simplify stack management slightly.
157         No longer need to unwind VRP state.
158         (record_equivalences_from_incoming_edge): No longer record
159         VRP information.
160         (eliminate_redundant_computations): No longer call
161         simplify_cond_and_lookup_avail_expr.
162         * tree-flow.h (potentially_threadable_block): Prototype.
163         (thread_across_edge): Likewise.
164         * Makefile.in (OBJS-common):  Add tree-ssa-threadedge.o
165         (tree-ssa-threadedge.o): Add dependencies.
166         * tree-ssa-threadedge.c: New file.
167         * passes.c (init_optimization_passes): Merge PHIs before
168         calling VRP.  Run VRP again late in the SSA optimization pipeline.
169
170 2006-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
171
172         * df-core.c (df_set_blocks): Do not dereference function pointers.
173         (df_finish1): Likewise.
174         (df_hybrid_search_forward): Likewise.
175         (df_hybrid_search_backward): Likewise.
176         (df_iterative_dataflow): Likewise.
177         (df_analyze_problem): Likewise.
178         (df_compact_blocks): Likewise.
179         (df_dump): Likewise.
180         * df-scan.c (df_rescan_blocks): Likewise.
181         (df_record_entry_block_defs): Likewise.
182
183         * genconditions.c (write_conditions): Guard the definition of
184         'insn_conditions' with the check on GCC version.
185         (write_writer): Guard the traversal 'insn_conditions' with
186         the check on GCC version.
187
188 2006-02-07  Richard Guenther  <rguenther@suse.de>
189
190         PR c++/26140
191         Revert
192         2006-01-30  Richard Guenther  <rguenther@suse.de>
193         PR c++/23372
194         * gimplify.c (gimplify_target_expr): Handle easy cases
195         without creating a temporary.
196
197 2006-02-07  Pete Steinmetz  <steinmtz@us.ibm.com>
198
199         * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
200         use of float in probability computations.  Use edge probabilities
201         in place of statically computed probabilities.
202         (min_spec_prob): New static variable.
203         (schedule_insns): Initialize it.
204         (GET_SRC_PROB): Removed.
205         * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
206
207 2006-02-07  Alexandre Oliva  <aoliva@redhat.com>
208
209         PR debug/24444
210         * config/ia64/unwind-ia64.c: Revert last change.
211         * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
212         (INCOMING_FRAME_SP_OFFSET): Define.
213
214 2006-02-06  Roger Sayle  <roger@eyesopen.com>
215
216         * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
217
218 2006-02-07  Ben Elliston  <bje@au.ibm.com>
219
220         * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
221         (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
222         (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
223         (ix86_return_in_memory): Handle TDmode.
224         (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
225         (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
226
227 2006-02-06  Richard Sandiford  <richard@codesourcery.com>
228
229         * reorg.c (dbr_schedule): Use dump_file instead of file.
230
231 2006-02-06  Steve Ellcey  <sje@cup.hp.com>
232
233         PR target/25917
234         * config/ia64/predicates.md (extr_len_operand): New predicate.
235         * config/ia64/ia64.md (extv): Tighten constraints.
236         (extzv): Ditto.
237         (*tbit_and_2): Ditto.
238         (*tbit_and_3): Ditto.
239         (*tbit_or_2): Ditto.
240         (*tbit_or_3): Ditto.
241         (*bit_zero): Ditto.
242         (*bit_one): Ditto.
243
244 2006-02-06  Andrew Pinski  <pinskia@physics.uc.edu>
245
246         PR target/23359
247         * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
248
249 2006-02-06  Zdenek Dvorak <dvorakz@suse.cz>
250
251         * tree-vrp.c (execute_vrp): Do not pass dump argument to.
252         loop_optimizer_init and loop_optimizer_finalize
253         * tree-ssa-sink.c (execute_sink_code): Ditto.
254         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
255         * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
256         tree_ssa_loop_done): Ditto.
257         * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
258         * sched-ebb.c: Include output.h.
259         (schedule_ebbs): Do not use dump argument.
260         * value-prof.h (struct profile_hooks): Remove profile_dump_file.
261         * loop.c (loop_dump_stream): Removed.
262         (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
263         argument.
264         (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
265         emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
266         final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
267         loop_iterations, strength_reduce, record_biv, record_giv,
268         final_giv_value, check_final_value, check_ext_dependent_givs,
269         combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
270         try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
271         dump_file instead of loop_dump_stream.
272         * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
273         argument dump_file.
274         * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
275         dump argument.
276         * flow.c (life_analysis, rest_of_handle_life): Ditto.
277         * haifa-sched.c: Include output.h
278         (schedule_insns, sched_init): Do not use dump argument.
279         * mode-switching.c (optimize_mode_switching): Ditto.
280         * modulo-sched.c (stats_file): Removed.
281         (print_node_sched_params): Do not call argument dump_file.
282         (sms_schedule_by_order, loop_canon_p, sms_schedule,
283         rest_of_handle_sms): Do not use dump argument.  Use dump_file instead
284         of stats_file.
285         * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
286         use dump argument.
287         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
288         rtl_loop_init, rtl_loop_done): Ditto.
289         * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
290         * predict.c (combine_predictions_for_bb, tree_estimate_probability):
291         Ditto.
292         * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
293         * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
294         * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
295         rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
296         * emit-rtl.c (renumber_insns): Ditto.
297         * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
298         expand_gimple_basic_block, tree_expand_cfg): Ditto.
299         * regclass.c (regclass): Ditto.
300         * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
301         remove_ssa_form, rewrite_out_of_ssa): Ditto.
302         * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
303         convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
304         Ditto.
305         * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
306         * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
307         to regclass.
308         * gcse.c (gcse_file, debug_stderr): Removed.
309         (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
310         rest_of_handle_gcse): Do not use dump argument.
311         (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
312         one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
313         pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
314         compute_code_hoist_vbeinout, compute_code_hoist_data,
315         one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
316         compute_store_table, build_store_vectors, insert_insn_start_bb,
317         insert_store, remove_reachable_equiv_notes, replace_store_insn,
318         store_motion): Use dump_file instead of gcse_file.
319         * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
320         * profile.c (profile_dump_file): Removed.
321         (branch_prob): Use dump_file instead of profile_dump_file.
322         * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
323         dump_file.
324         * tree-ssa-copy.c (dump_copy_of): Ditto.
325         * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
326         dump file to life_analysis.
327         * bt-load.c (branch_target_load_optimize): Ditto.
328         * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
329         renumber_insns.
330         * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
331         regclass, dbr_schedule): Declaration changed.
332         * sched-int.h (sched_init): Declaration changed.
333         * tree-profile.c (tree_profile_dump_file): Removed.
334         (tree_profile_hooks): Removed profile_dump_file hook.
335         * rtl-profile (rtl_profile_dump_file): Removed.
336         (rtl_profile_hooks): emoved profile_dump_file hook.
337         * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
338         changed.
339         * c-gimplify.c (c_genericize): Do not call local variable dump_file.
340         * tree-cfg.c (build_tree_cfg): Ditto.
341         * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
342         * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
343         Declaration changed.
344         * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
345         life_analysis and schedule_insns.
346         * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
347         life_analysis.
348         * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
349         dbr_schedule.
350         * config/mips/mips.c (mips_reorg): Ditto.
351         * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
352         schedule_ebbs.
353
354 2006-02-06  Aldy Hernandez  <aldyh@redhat.com>
355
356         * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
357         (s390_mangle_fundamental_type): New.
358         * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
359         Define.
360
361         * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
362         (alpha_mangle_fundamental_type): New.
363         * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
364         Define.
365
366         * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
367         Define.
368         * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
369         Define.
370         * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
371         (sparc_mangle_fundamental_type): New.
372
373 2006-02-06  Jakub Jelinek  <jakub@redhat.com>
374
375         * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
376         (s390x-*-linux*): Likewise.
377         * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
378         * config/s390/t-linux: New file.
379
380 2006-02-02  Bernd Schmidt  <bernd.schmidt@analog.com>
381
382         * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
383         sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
384
385 2006-02-06  Daniel Berlin  <dberlin@dberlin.org>
386
387         * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
388         (ANTIC_SAFE_LOADS): New macro.
389         (find_or_generate_expression): Add prototype.
390         (set_contains_value): Allow null set for sake of not always having
391         to allocate ANTIC_SAFE_LOADS.
392         (phi_translate): Move placement of AGGREGATE_TYPE_P check.
393         Allow COMPONENT_REF too.
394         (valid_in_set): Allow COMPONENT_REF.
395         Check ANTIC_SAFE_LOADS too.
396         (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
397         (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
398         rename.
399         (can_PRE_operation): Add COMPONENT_REF.
400         (create_component_ref_by_pieces): New function.
401         (create_expression_by_pieces): Use create_component_ref_by_pieces.
402         (insert_aux): Move AGGREGATE_TYPE_P check here.
403         (compute_avail): Set bb local stmt uids.
404         (pass_pre): Use TODO_update_ssa_only_virtuals.
405         
406 2006-02-06  Ben Elliston  <bje@au.ibm.com>
407
408         * configure.ac: Unconditionally disable decimal float by default.
409         * configure: Regenerate.
410
411 2006-02-06  Ben Elliston  <bje@au.ibm.com>
412
413         * read-rtl.c (read_name): Terminate reading on EOF.
414
415 2006-02-06  Ben Elliston  <bje@au.ibm.com>
416
417         * dfp.c (decimal_real_arithmetic): Change second argument type
418         from int to enum tree_code. Do not always return true, but now
419         return result of any call to decimal_do helper functions.
420         * dfp.h (decimal_real_arithmetic): Update prototype.
421
422 2006-02-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
423
424         * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
425
426 2006-02-05  Andrew Pinski  <pinskia@physics.uc.edu>
427
428         PR tree-opt/25251
429         * tree-cfg.c (cleanup_dead_labels): Also don't remove
430         forced labels.
431
432 2006-02-04  Zdenek Dvorak <dvorakz@suse.cz>
433
434         * tree-vrp.c (cfg_loops): Removed.
435         (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
436         Use current_loops instead of cfg_loops.  Pass flags to
437         loop_optimizer_init.
438         * cfgloopmanip.c (fix_loop_structure): Update only available
439         information.
440         * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
441         loop_optimizer_init.
442         * modulo-sched.c (build_loops_structure): Removed.
443         (sms_schedule): Use loop_optimizer_init.
444         * loop-init.c (loop_optimizer_init): Use flags to determine
445         which properties of loops to prepare.
446         (rtl_loop_init): Pass flags to loop_optimizer_init.
447         * tree-ssa-sink.c (execute_sink_code): Ditto.
448         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
449         * tree-ssa-pre.c (init_pre): Ditto.
450         * cfgloop.h (LOOPS_NORMAL): New.
451         (loop_optimizer_init): Declaration changed.
452
453 2006-02-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
454
455         * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
456         * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
457         pa/t-pa.
458         * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
459         pa/t-pa.
460         * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
461         pa/x-ada.
462         * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
463         * pa/t-pa64: Delete quadlib.c rule.
464         * pa/x-ada: Revert last change.
465         * pa/t-pa: Revert last change.  Delete quadlib.c rule.
466
467 2006-02-04  Zdenek Dvorak <dvorakz@suse.cz>
468
469         PR rtl-optimization/26087
470         * rtlanal.c (canonicalize_condition): Do not cross basic block
471         boundaries.
472
473 2006-02-04  Alexandre Oliva  <aoliva@redhat.com>
474
475         PR debug/24444
476         * config/ia64/ia64.c: Include debug.h.
477         (MAX_ARTIFICIAL_LABEL_BYTES): New.
478         (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
479         (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
480         (process_epilogue, process_set, process_for_unwind_directive):
481         Output unwind info only if requested.  Add CFA info if requested.
482         Add new arguments as needed.  Adjust callers.
483         * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
484         incorrect default.
485         (DWARF2_FRAME_INFO): Define to zero.
486         * config/ia64/unwind-ia64.c: Remove code that compensated for
487         the CFA offset error fixed above.
488         * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
489         * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
490         (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
491         -funwind-tables and -fexceptions to enable frame info.
492         (dwarf2out_frame_init): Define initial CFA even if
493         DWARF2_UNWIND_INFO is disabled.  Call initial_return_save if
494         DWARF2_UNWIND_INFO is nonzero, not just defined.
495         (dwarf2out_frame_finish): Output non-EH call frame info only
496         if DWARF2_FRAME_INFO is nonzero.
497         (convert_cfa_to_loc_list,
498         compute_frame_pointer_to_cfa_displacement): Define even if
499         unwind info is not supported.
500         (gen_subprogram_die): Use the above unconditionally.  Remove
501         legacy alternate code.
502         * toplev.c (compile_file): Compile in call to
503         dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
504         (lang_dependent_init): Ditto for dwarf2out_frame_init.
505
506 2006-02-04  David Edelsohn  <edelsohn@gnu.org>
507             Jakub Jelinek  <jakub@redhat.com>
508
509         * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
510         IBM extended float format long double as "g" on powerpc*-linux.
511
512 2006-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
513
514         PR target/25926
515         * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
516         * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
517
518 2006-02-03  Jason Merrill  <jason@redhat.com>
519
520         PR c++/25979
521         * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
522
523         PR middle-end/25977
524         * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
525         on the return slot if it's an NRV.
526
527 2006-02-03  Zdenek Dvorak <dvorakz@suse.cz>
528
529         * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
530         (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
531         rewrite_use): Do not handle USE_OUTER.
532         (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
533         add_iv_outer_candidates, may_replace_final_value,
534         determine_use_iv_cost_outer, rewrite_use_outer): Removed.
535         (find_interesting_uses_op): Functionality of
536         find_interesting_uses_outer_or_nonlin moved here.
537         (find_interesting_uses_outside): Use find_interesting_uses_op.
538
539 2006-02-03  Alan Modra  <amodra@bigpond.net.au>
540
541         PR target/25960
542         * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
543
544 2006-02-03  Andreas Krebbel  <krebbel1@de.ibm.com>
545             Ulrich Weigand  <uweigand@de.ibm.com>
546
547         PR target/25864
548         * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
549         "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
550         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
551         * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr 
552         and dxr fields.
553         (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
554         (s390_rtx_costs): Use the new fields to calculate rtx costs.
555         (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
556         Define secondary reloads for TFmode moves.
557         (constant_modes): Add TFmode.
558         (NR_C_MODES): Set to 8.
559         * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
560         builtin define.
561         (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
562         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
563         (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS, 
564         CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
565         * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf, 
566         fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
567         (FPR mode macro): Add TFmode.
568         (DSF mode macro): New.
569         (<de>, <dee> mode attributes): Removed.
570         (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
571         ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs", 
572         "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee", 
573         "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3", 
574         "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm", 
575         "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly", 
576         "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
577         "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc", 
578         "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm", 
579         "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
580         "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly", 
581         "*negabs<mode>2", "sqrt<mode>2"):
582         Changed <de> to <xde>. R constraint replaced by <Rf>.
583         ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by 
584         <Rf>.
585         ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
586         ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
587         ("*movtf_64", "*movtf_31"): New insn definitions followed by 5 
588         splitters.
589         ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2", 
590         "extenddftf2", "extendsftf2"): New expanders.
591         ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee", 
592         "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
593         "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
594         * config/s390/s390.opt (mlong-double-128, mlong-double-64):
595         New options.
596         * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
597         * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2, 
598         __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
599         __floatditf): Add a GCC_4.1.0 symbol version tag.
600         * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
601         the new options.
602
603 2006-02-02  Andrew Pinski  <pinskia@physics.uc.edu>
604
605         PR target/25377
606         * config/i386/i386.c (ix86_function_ok_for_sibcall):
607         Use targetm.binds_local_p instead of TREE_PUBLIC.
608
609 2006-02-02  Roger Sayle  <roger@eyesopen.com>
610
611         * tree.h (TYPE_STRING_FLAG): Document that this field may be used
612         on INTEGER_TYPEs to indicate that it denotes a character type.
613         * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
614         signed_char_type_node, unsigned_char_type_node and char_type_node.
615         * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
616         INTEGER_TYPE.  Use TYPE_STRING_FLAG to decide whether to emit
617         a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
618
619 2006-02-02  Zdenek Dvorak <dvorakz@suse.cz>
620             Daniel Berlin  <dberlin@dberlin.org>
621
622         * tree-tailcall.c (arg_needs_copy_p): New function.
623         (eliminate_tail_call): Use arg_needs_copy_p.
624         (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
625         (add_virtual_phis): New function.
626
627 2006-02-02  Jakub Jelinek  <jakub@redhat.com>
628
629         * config/sparc/sparc.c (sparc_output_scratch_registers): Use
630         #ignore instead of #scratch for %g7 .register directive.
631
632 2006-02-02  Andreas Tobler  <a.tobler@schweiz.ch>
633
634         * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
635         object files.
636
637 2006-02-02  Bernd Schmidt  <bernd.schmidt@analog.com>
638
639         * flow.c (calculate_global_regs_live): Assert that there aren't any
640         EDGE_FAKE edges.
641
642 2006-02-02  Paolo Bonzini  <bonzini@gnu.org>
643
644         * tree-flow-inline.h (bsi_after_labels): Rewrite, return
645         what its name says.
646         * lambda-code.c (perfect_nestify): Use bsi_insert_before on
647         bsi_after_labels iterator.
648         * tree-if-conv.c (find_phi_replacement_condition,
649         replace_phi_with_cond_modify_expr): Likewise.
650         * tree-scalar-evolution.c (scev_const_prop): Likewise.
651         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
652
653 2006-02-02  Diego Novillo  <dnovillo@redhat.com>
654
655         * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
656
657 2006-02-02  Diego Novillo  <dnovillo@redhat.com>
658
659         PR 25990
660         * tree-cfg.c (move_block_to_fn): Clear out the basic block
661         array after growing it.
662
663 2006-02-01  Steve Ellcey  <sje@cup.hp.com>
664
665         PR middle-end/24901
666         * fold-const.c (fold_checksum_tree): Change type of buf.
667
668 2006-02-01  Bernd Schmidt  <bernd.schmidt@analog.com>
669
670         * reload.c (push_secondary_reload): Initialize t_icode.
671
672 2006-02-01  Jakub Jelinek  <jakub@redhat.com>
673
674         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
675         -msoft-float -mlong-double-128 only issue a warning, but don't
676         swich to DFmode long double.
677
678 2006-02-01  Hans-Peter Nilsson  <hp@axis.com>
679
680         * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
681         has a constant equivalent, iterate over equivalents for arg0,
682         calling simplify_relational_operation and if there's a result
683         cheaper than X, apply fold_rtx and return the result.
684
685 2006-02-01  Jan Hubicka  <jh@suse.cz>
686
687         * opts.c (no_unit_at_a_time_default): New global variable.
688         (decode_options): Use it.
689         * opts.h (no_unit_at_a_time_default): Declare.
690
691 2006-02-01  Paul Brook  <paul@codesourcery.com>
692
693         * function.c (assign_parm_setup_reg): Use function argument promotion
694         rules.
695         * expr.c (expand_expr_real_1): Use function argument promotion rules
696         for PARM_DECLs.
697
698 2006-02-01  Steve Ellcey  <sje@cup.hp.com>
699
700         * gcc.c (process_command): Change j to 'unsigned int'.
701
702 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
703
704         PR middle-end/26001
705         * expr.c (expand_expr_real_1) <case ARRAY_REF>:
706         Use the corrected index for the character
707         out of the string constant.
708
709 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
710
711         * mode-switching.c (optimize_mode_switching): Fix size
712         allocated for bb_info[n_entities].
713
714 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
715
716         * gcc.c (main): Correct type that is allocated for
717         explicit_link_files.
718
719 2006-01-31  Jakub Jelinek  <jakub@redhat.com>
720
721         * config/s390/s390.c (init_alignment_context): Set
722         ALIAS_SET_MEMORY_BARRIER on the MEM.
723         * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
724
725 2006-01-31  Uttam Pawar  <uttamp@us.ibm.com>
726
727         PR middle-end/25933
728         * loop-unroll.c (unroll_loop_runtime_iterations): Free
729         dom_bbs pointer.
730         * tree-ssa-live.c (type_var_init): Allocate bitmap after
731         call to tpa_init.
732
733 2006-01-31  Marcin Dalecki  <martin@dalecki.de>
734
735         * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
736         * regrename.c: Ditto.
737         * tree-ssa-loop-im.c: Ditto.
738         * tree-dump.c: Ditto.
739         * tree-complex.c: Ditto.
740         * genrecog.c: Ditto.
741         * tree-ssa-threadupdate.c: Ditto.
742         * tracer.c: Ditto.
743         * java/class.c: Ditto.
744         * java/jcf-parse.c: Ditto.
745         * java/resource.c: Ditto.
746         * java/except.c: Ditto.
747         * java/jvspec.c: Ditto.
748         * java/jcf-write.c: Ditto.
749         * java/jcf-path.c: Ditto.
750         * java/gjavah.c: Ditto.
751         * java/zextract.c: Ditto.
752         * java/jcf-io.c: Ditto.
753         * java/jcf.h: Ditto.
754         * java/buffer.c: Ditto.
755         * java/lang.c: Ditto.
756         * java/parse-scan.y: Ditto.
757         * java/lex.c: Ditto.
758         * java/lex.h: Ditto.
759         * cfgloopmanip.c: Ditto.
760         * postreload-gcse.c: Ditto.
761         * tree-ssa-loop-manip.c: Ditto.
762         * postreload.c: Ditto.
763         * tree-ssa-loop-ch.c: Ditto.
764         * loop.c: Ditto.
765         * ipa-cp.c: Ditto.
766         * cppspec.c: Ditto.
767         * diagnostic.c: Ditto.
768         * final.c: Ditto.
769         * genoutput.c: Ditto.
770         * gcc.c: Ditto.
771         * cfghooks.c: Ditto.
772         * cfgloopanal.c: Ditto.
773         * objc/objc-act.c: Ditto.
774         * gcov.c: Ditto.
775         * genextract.c: Ditto.
776         * genautomata.c: Ditto.
777         * pretty-print.c: Ditto.
778         * genemit.c: Ditto.
779         * cgraphunit.c: Ditto.
780         * flow.c: Ditto.
781         * df-scan.c: Ditto.
782         * haifa-sched.c: Ditto.
783         * dominance.c: Ditto.
784         * dbxout.c: Ditto.
785         * tree-ssa-loop-ivopts.c: Ditto.
786         * df-core.c: Ditto.
787         * mode-switching.c: Ditto.
788         * modulo-sched.c: Ditto.
789         * graph.c: Ditto.
790         * ipa-pure-const.c: Ditto.
791         * cse.c: Ditto.
792         * fix-header.c: Ditto.
793         * web.c: Ditto.
794         * tree-stdarg.c: Ditto.
795         * ipa-utils.c: Ditto.
796         * loop-init.c: Ditto.
797         * ipa-inline.c: Ditto.
798         * cfganal.c: Ditto.
799         * global.c: Ditto.
800         * alloc-pool.c: Ditto.
801         * dwarf2out.c: Ditto.
802         * opts.c: Ditto.
803         * genattrtab.c: Ditto.
804         * tree-ssa-loop-ivcanon.c: Ditto.
805         * predict.c: Ditto.
806         * timevar.c: Ditto.
807         * lcm.c: Ditto.
808         * fortran/gfortranspec.c: Ditto.
809         * regmove.c: Ditto.
810         * local-alloc.c: Ditto.
811         * langhooks.c: Ditto.
812         * function.c: Ditto.
813         * tree-vectorizer.c: Ditto.
814         * gcse.c: Ditto.
815         * ipa-type-escape.c: Ditto.
816         * alias.c: Ditto.
817         * tree-if-conv.c: Ditto.
818         * profile.c: Ditto.
819         * ipa.c: Ditto.
820         * tree-data-ref.c: Ditto.
821         * loop-unroll.c: Ditto.
822         * treelang/treetree.c: Ditto.
823         * calls.c: Ditto.
824         * bt-load.c: Ditto.
825         * ggc-common.c: Ditto.
826         * except.c: Ditto.
827         * coverage.c: Ditto.
828         * cselib.c: Ditto.
829         * tree-cfgcleanup.c: Ditto.
830         * tree-ssa-pre.c: Ditto.
831         * cfgcleanup.c: Ditto.
832         * loop-invariant.c: Ditto.
833         * loop-iv.c: Ditto.
834         * ipa-prop.c: Ditto.
835         * print-tree.c: Ditto.
836         * conflict.c: Ditto.
837         * ggc-page.c: Ditto.
838         * sched-deps.c: Ditto.
839         * regclass.c: Ditto.
840         * tree-object-size.c: Ditto.
841         * combine.c: Ditto.
842         * bb-reorder.c: Ditto.
843         * resource.c: Ditto.
844         * var-tracking.c: Ditto.
845         * cfgloop.c: Ditto.
846         * df-problems.c: Ditto.
847         * reg-stack.c: Ditto.
848         * tlink.c: Ditto.
849         * gccspec.c: Ditto.
850         * sched-rgn.c: Ditto.
851         * tree-ssa-structalias.c: Ditto.
852         * tree-ssa-reassoc.c: Ditto.
853         * config/darwin-c.c: Ditto.
854         * config/darwin.c: Ditto.
855         * config/arm/arm.c: Ditto.
856         * cfgrtl.c: Ditto.
857         * collect2.c: Ditto.
858         * reload1.c: Ditto.
859
860 2006-01-31  Nicolas Pitre  <nico@cam.org>
861
862         * arm.md (smaxsi3): Make aware of smax_m1.
863         (smax_m1): New.
864
865 2006-01-31  Nathan Sidwell  <nathan@codesourcery.com>
866
867         * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
868
869 2006-01-31  Richard Guenther  <rguenther@suse.de>
870
871         * doc/invoke.texi (-msselibm): Document.
872         * target.h (expand_library_builtin): New target hook.
873         * builtins.c (expand_builtin): Use expand_library_builtin.
874         (default_expand_library_builtin): New function.
875         * gcc.c (LINK_GCC_MATH_SPEC): Define.
876         (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
877         (link_gcc_math_spec): Declare.
878         (static_specs): Add link_gcc_math_spec.
879         * expr.h (default_expand_library_builtin): Declare.
880         * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
881         (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
882         * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
883         * config/i386/i386.opt (msselibm): New target option.
884         * config/i386/i386.c (ix86_builtin_function_variants): New array.
885         (ix86_init_sse_abi_builtins): New function.
886         (ix86_expand_library_builtin): Likewise.
887         (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
888         (override_options): Handle error conditions wrt -msselibm.
889         (ix86_builtins): Add function codes for SSE2 ABI builtins.
890         (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
891         * doc/extend.texi (__builtin_sse2_*): Document new target specific
892         builtins.
893
894 2006-01-31  Richard Guenther  <rguenther@suse.de>
895         Paolo Bonzini  <bonzini@gnu.org>
896
897         * doc/install.texi (--disable-libgcc-math): Document.
898
899 2006-01-30  Marcin Dalecki  <martin@dalecki.de>
900
901         * expr.h (expand_normal): new inline function.
902         * builtins.c: use it, use EXPAND_NORMAL explicitely.
903         * dojump.c: use it.
904         * dwarf2out.c: use it.
905         * expr.c: use it.
906         * calls.c: use it.
907         * expmed.c: use it.
908         * except.c: use it.
909         * config/sparc/sparc.c: use it.
910         * config/i386/i386.c: use it.
911         * config/rs6000/rs6000.c: use it.
912         * config/arm/arm.c: use it.
913         * config/mips/mips.c: use it.
914         * stmt.c: use it, use EXPAND_NORMAL explicitely.
915
916 2006-01-30  Roger Sayle  <roger@eyesopen.com>
917
918         * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
919         argv to the appropriate type.
920
921 2006-01-30  Zdenek Dvorak <dvorakz@suse.cz>
922
923         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
924         unreachable code.
925
926 2006-01-30  Ulrich Weigand  <uweigand@de.ibm.com>
927
928         PR target/26018
929         * config/s390/s390.c (struct machine_function): New flag
930         decomposed_literal_pool_addresses_ok_p.
931         (s390_reorg): Set it before final stage of literal pool transforms.
932         (s390_decompose_address): Only accept displacements of the form
933         (minus (label_ref ...) (label_ref ...)) if that flag is set.
934
935 2006-01-30  Carlos O'Donell  <carlos@codesourcery.com>
936
937         * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
938         the comparison routine return.
939
940 2006-01-30  Michael Matz  <matz@suse.de>
941
942         * global.c (find_reg): Only evict for global regs.
943         Take n_refs into account and dump more info.
944
945 2006-01-30  J"orn Rennecke <joern.rennecke@st.com>
946
947         PR target/14798:
948         * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
949         (pragma_trap, pragma_nosave_low_regs): Likewise.
950         (current_function_anonymous_args): Likewise.
951         (sh_deferred_function_attributes): New variable.
952         (sh_deferred_function_attributes_tail): Likewise.
953         (print_operand): For '@', look up trap_exit attribute.
954         (calc_live_regs): Look up trapa_handler attribute.  For trapa
955         handlers, save/restore fpscr, but don't do any other
956         interrupt-specific saves.
957         Don't save r0..r7 if the nosave_low_regs attribute is in effect.
958         Fix check for partially saved registers to check for SHmedia.
959         (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
960         (sh_output_function_epilogue): Don't clear any of the removed
961         variables.
962         (sh_insert_attributes): Don't check pragma_interrupt.
963         Insert deferred attributes.  Check that interrupt attribute is
964         present for other attributes that require its presence.
965         (sh_attribute_table): Add new attributes trapa_handler and
966         nosave_low_regs.
967         (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
968         Don't check for pragma_interrupt.  Don't store argument.
969         * sh.h (pragma_interrupt, sp_switch): Don't declare.
970         (sh_deferred_function_attributes): Declare.
971         (sh_deferred_function_attributes_tail): Likewise.
972         * sh.md (sp_switch_1): Add operand.  Change generator caller.
973         (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
974         (*return_i): Don't use when trap_exit attribute is in effect.
975         (*return_trapa): New insn pattern.
976         * sh-c.c: New file.
977         * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
978         setting c_target_objs and cxx_target_objs.
979         * t-sh: Add rule for sh-c.o.
980
981 2006-01-30  Richard Guenther  <rguenther@suse.de>
982
983         PR c++/23372
984         * gimplify.c (gimplify_target_expr): Handle easy cases
985         without creating a temporary.
986
987 2006-01-30  Nathan Sidwell  <nathan@codesourcery.com>
988
989         * vec.h (safe_grow): Remove duplicated line.
990
991 2006-01-29  Diego Novillo  <dnovillo@redhat.com>
992
993         PR 25874
994         * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
995         (expand_omp): ... here.
996         (expand_omp_parallel): Only remove barriers for combined
997         parallel+workshare constructs.
998
999 2006-01-29  Eric Botcazou  <ebotcazou@adacore.com>
1000
1001         Revert
1002
1003         2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
1004         * tree.c (build_qualified_type): Chain the new type to the original
1005         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
1006         a POINTER_TYPE or a REFERENCE_TYPE respectively.
1007         (build_pointer_type_for_mode): Only return unqualified types.
1008         (build_reference_type_for_mode): Likewise.
1009
1010 2006-01-29  Gabriel Dos Reis  <gdr@integgrable-solutions.net>
1011
1012         * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
1013         * Makefile.in (CXX_COMPAT_WARN): Define.
1014         * configure: Regenerate.
1015
1016 2006-01-29  Dorit Nuzman  <dorit@il.ibm.com>
1017
1018         PR tree-opt/25911
1019         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
1020         to an if check.
1021
1022 2006-01-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1023
1024         * toplev.c: Fix thinko.
1025
1026 2006-01-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1027             Marcin Dalecki  <martin@dalecki.de>
1028
1029         * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
1030         (push_srcloc): Use XNEW.
1031         (init_asm_output, default_get_pch_validity): Use XNEWVEC.
1032
1033 2006-01-29  Kenneth Zadeck <zadeck@naturalbridge.com>
1034
1035         * df-core.c (df_set_blocks): Deleted all variable.
1036
1037 2006-01-28  Ian Lance Taylor  <ian@airs.com>
1038
1039         * cgraphunit.c (cgraph_assemble_pending_functions): Call
1040         cgraph_output_pending_asms.
1041
1042 2006-01-28  Zack Weinberg  <zackw@panix.com>
1043
1044         * c.opt: Add -W(no-)overlength-strings.
1045         * doc/invoke.texi: Document it.
1046         * c-opts.c (c_common_handle_option): -pedantic implies
1047         -Woverlength-strings, if not explicitly disabled already.
1048         (c_common_post_options): -Woverlength-strings defaults to off, and
1049         is always off for C++.
1050         * c-common.c (fix_string_type): Issue warning about strings longer
1051         than is portable only if warn_overlength_strings.  Rearrange code
1052         a little for clarity.
1053         * configure.in: Check for -Wno-overlength-strings as well before
1054         enabling -pedantic in stage 1.
1055         * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
1056         (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
1057
1058         * genconditions.c (write_header, write_one_condition)
1059         (write_conditions, write_writer): Consolidate very long strings
1060         that were broken up to fit in C89 portable limit.  Don't use
1061         printf when fputs will do.
1062
1063 2006-01-28  Adam Nemet  <anemet@caviumnetworks.com>
1064
1065         * combine.c (simplify_comparison <AND>): Check
1066         TRULY_NOOP_TRUNCATION before start using a subreg.
1067
1068         * config/mips/mips.md (*branch_zero<mode>,
1069         *branch_zero<mode>_inverted, *branch_equality<mode>,
1070         *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
1071         Remove mode check from comparisons.
1072
1073 2006-01-28  Kenneth Zadeck <zadeck@naturalbridge.com>
1074
1075         * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
1076
1077 2006-01-28  Kazu Hirata  <kazu@codesourcery.com>
1078
1079         * expmed.c (const_mult_add_overflow_p): Remove.
1080         * expr.h: Remove the prototype for const_mult_add_overflow_p.
1081
1082         * recog.c (validate_replace_rtx_subexp): Remove.
1083         * recog.h: Remove the prototype for
1084         validate_replace_rtx_subexp.
1085
1086         * integrate.h: Remove the prototype for
1087         copy_decl_for_inlining.
1088         * rtl.h: Remove the prototype for mark_constant_function.
1089         * tree-vectorizer.h: Remove the prototype for
1090         vect_strip_conversion.
1091
1092         * modulo-sched.c (create_partial_schedule,
1093         free_partial_schedule, reset_partial_schedule): Make them
1094         static.
1095
1096         * hooks.c (hook_bool_rtx_int_false): Remove.
1097         * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
1098
1099 2006-01-28  David Edelsohn  <edelsohn@gnu.org>
1100
1101         * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
1102         and -mlong-double-128 are incompatible.
1103         * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
1104         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
1105         (TARGET_LIBGCC2_CFLAGS): Define.
1106         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
1107         (TARGET_LIBGCC2_CFLAGS): Same.
1108         * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
1109
1110 2006-01-28  Kazu Hirata  <kazu@codesourcery.com>
1111
1112         PR c/19606.
1113         * c-typeck.c (build_binary_op): Perform implicit casts of
1114         operands before shortening them.
1115
1116         * cfgloopmanip.c (split_loop_bb): Remove.
1117         * cfgloop.h: Remove the prototype for split_loop_bb.
1118
1119         * cfgloop.c (flow_loop_outside_edge_p): Remove.
1120         * cfgloop.h: Remove the prototype for
1121         flow_loop_outside_edge_p.
1122
1123         * emit-rtl.c (init_virtual_regs): Make it static.
1124         * function.h: Remove the prototype for init_virtual_regs.
1125
1126         * recog.c (peephole2_optimize): Make it static.
1127         * recog.h: Remove the prototype for peephole2_optimize.
1128
1129 2006-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1130
1131         * df-scan.c (df_record_entry_block_defs): Check if
1132         INCOMING_RETURN_ADDR_RTX is defined.
1133
1134 2006-01-27  Daniel Berlin  <dberlin@dberlin.org>
1135             Kenneth Zadeck <zadeck@naturalbridge.com>
1136
1137         PR rtl-optimization/24762
1138         * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
1139         * targhooks.c (hook_void_bitmap): New hook prototype.
1140         * targhoohs.h (hook_void_bitmap): Ditto.
1141         * bitmap.h (bitmap_head_def): Moved to coretypes.h.
1142         * coretypes.h (bitmap_head_def): Moved from bitmap.h.
1143         * target.h (live_on_entry): New function pointer.
1144         * df-scan.c (df_all_hard_regs): Removed.
1145         (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
1146         (df_scan_free_internal): Added df->entry_block_defs.
1147         (df_scan_alloc): Ditto.
1148         (df_scan_dump): Ditto.
1149         (df_uses_record): Plumbed flag field properly thru calls.
1150         Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
1151         This part fixes PR24762.
1152         (df_bb_refs_record): Added code to make the frame and arg
1153         pointers live in EH blocks.
1154         (df_refs_record): Added call to df_record_entry_block_defs.
1155         (df_record_entry_block_defs): New function.
1156         * df-core.c: Added comments to describe new artifical defs.
1157         * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
1158         (entry_block_defs): New field in struct df.
1159         (df_all_hard_regs): Deleted.
1160         * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
1161         * df-problems.c (df_ru_bb_local_compute_process_def):
1162         Added code to handle artifical defs in the entry to a function.
1163         (df_ru_bb_local_compute): Ditto.
1164         (df_rd_bb_local_compute_process_def):  Ditto.
1165         (df_rd_bb_local_compute): Ditto.
1166         (df_lr_bb_local_compute): Ditto.
1167         (df_ur_bb_local_compute): Ditto.
1168         (df_urec_bb_local_compute):  Ditto.
1169         (df_chain_create_bb):  Ditto.
1170         (df_ur_local_finalize): Removed entry.
1171         (df_urec_init): Ditto.
1172         (df_urec_local_finalize): Ditto.
1173         (df_ri_bb_compute): Added detection of last use of pseudos.
1174         * Makefile.in (df-scan.o): Updated dependencies.
1175         * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
1176         * config/mips/mips.c (mips_set_live_on_entry): Added.
1177         * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
1178         for target hook.
1179         * dce.c (marked_insn_p): Added code to handle artifical defs.
1180
1181 2006-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1182
1183         * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
1184         intrinsic.
1185         (_mm_cvtsi128_si64): Likewise.
1186         (_mm_cvtsd_si64): Likewise.
1187         (_mm_cvttsd_si64): Likewise.
1188         (_mm_cvtsi64_sd): Likewise.
1189         (_mm_cvtsi64_si128): Likewise.
1190         * config/i386/mmintrin.h (_m_from_int64): Likewise.
1191         (_mm_cvtsi64_m64): Likewise.
1192         (_m_to_int64): Likewise.
1193         (_mm_cvtm64_si64): Likewise.
1194         * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
1195         (_mm_cvttss_si64): Likewise.
1196         (_mm_cvtsi64_ss): Likewise.
1197         (_mm_cvtss_f32): Likewise.
1198
1199 2006-01-27  Carlos O'Donell  <carlos@codesourcery.com>
1200
1201         * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
1202         for pragma redefine_extname.
1203
1204 2006-01-27  Jakub Jelinek  <jakub@redhat.com>
1205
1206         PR target/25864
1207         * libgcc-std.ver: Add GCC_4.1.0 symbol version.
1208         * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
1209         -mno-minimal-toc to previous content.
1210         (bispecs): Remove goal.
1211         * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
1212         * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
1213         compatibility aliases on powerpc-*-*gnu*.
1214         * config/rs6000/libgcc-ppc-glibc.ver: New file.
1215         * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
1216         libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
1217         (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
1218         (ldblspecs): New goal.
1219         * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
1220         * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
1221         _df_to_tf.
1222         * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
1223         L_sf_to_tf or L_df_to_tf is defined.
1224
1225 2006-01-27  David Edelsohn  <edelsohn@gnu.org>
1226             Alan Modra  <amodra@bigpond.net.au>
1227
1228         PR target/25864
1229         * config/rs6000/linux.h (POWERPC_LINUX): Define.
1230         * config/rs6000/linux64.h (POWERPC_LINUX): Define.
1231         * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
1232         * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
1233         * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
1234         * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
1235         (rs6000_override_options): Initialize rs6000_ieeequad.
1236         Initialize TFmode format to ibm_extended_format if not
1237         TARGET_IEEEQUAD.
1238         (rs6000_handle_option): Accept -mabi= ibmlongdouble and
1239         ieeelongdouble.
1240         (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
1241         (rs6000_return_in_memory): Only return IEEEQUAD in memory.
1242         (function_arg_advance): IBM long double passed in two FPRs, not
1243         split.
1244         (function_arg): IBM long double passed in FPRs.
1245         (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
1246         (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
1247         Only multireg GPR aligned.
1248         (rs6000_init_libfuncs): Enable IBM long double functions if not
1249         IEEEQUAD.
1250         (rs6000_generate_compare): Use IBM long double compare if not
1251         TARGET_IEEEQUAD.
1252         * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
1253         (TARGET_IEEEQUAD): Define.
1254         (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
1255         not TARGET_IEEEQUAD.
1256         * config/rs6000/rs6000.md: Enable TFmode patterns if
1257         !TARGET_IEEEQUAD.
1258         * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
1259         * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
1260         and -mlong-double-128 are incompatible.
1261         * doc/invoke.texi (-mabi): Collect options together.  Add
1262         ibmlongdouble and ieeelongdouble.
1263
1264 2006-01-27  Richard Sandiford  <richard@codesourcery.com>
1265
1266         * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
1267         opaque type.
1268         * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
1269         * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
1270         (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
1271         * rtl.h (rtunion_def): Remove rt_ptr.
1272         (X0PTR): Delete.
1273         (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
1274         (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
1275         * config/i386/winnt.c (i386_pe_mark_dllexport)
1276         (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
1277
1278 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
1279
1280         * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
1281
1282 2006-01-26 Alexandre Oliva  <aoliva@redhat.com>
1283
1284         PR other/24829
1285         PR target/24831
1286         * gthr-dce.h: Do not gthrw-ify pthread_once_init,
1287         pthread_key_delete.  From John David Anglin.  gthrw-ify
1288         pthread_getunique_np only if it it's not a macro.  Delete
1289         UNUSED macro.
1290         (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
1291         __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
1292         __gthread_objc_condition_signal, __gthread_key_delete): Add
1293         "__attribute__ ((__unused__))" to unused arguments.
1294         (__gthread_recursive_mutex_init_function): Add missing return.
1295         * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
1296         gthr-posix95.h: Use macro-based approach for name redirection
1297         on targets missing weakref.
1298
1299 2006-01-26  Zack Weinberg  <zackw@panix.com>
1300
1301         * genconditions.c (write_header): In generated code, #ifdef out
1302         all includes and fake declarations, except includes of bconfig.h
1303         and system.h, unless GCC_VERSION >= 3001.  Do not include
1304         gensupport.h in any case.
1305         (write_conditions): Generate a definition of struct c_test.  Add
1306         a comment to the generated #endif.
1307         (write_one_condition): Escape backslashes in string too.
1308         (write_writer): Generated code must escape backslashes and quote
1309         marks (but not newlines) in the strings it writes.
1310         * Makefile.in (build/gencondmd.o): Update dependencies.
1311
1312 2006-01-26  Steve Ellcey  <sje@cup.hp.com>
1313
1314         PR target/25961
1315         * Makefile.in (insn-automata.o): Add header file dependencies.
1316         * genautomata.c: Add includes.
1317
1318 2006-01-26  Steve Ellcey  <sje@cup.hp.com>
1319
1320         PR target/25961
1321         * Makefile.in (insn-automata.o): Add -Wno-error flag.
1322
1323 2006-01-26  Paolo Bonzini  <bonzini@gnu.org>
1324
1325         * configure.ac: Expect target tools paths to be passed from the toplevel
1326         and wrap the detection into AS_SET_VAR_IF.  Extract side-effects out of
1327         AS_SET_VAR_IF.
1328         * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
1329
1330 2006-01-26  Alexandre Oliva  <aoliva@redhat.com>
1331
1332         PR c/25892
1333         * c.opt (Wpointer-sign): Init to -1.
1334         * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
1335         OPT_pedantic, to 0 otherwise.
1336         * doc/invoke.texi: Update.
1337
1338 2006-01-26  Paolo Bonzini  <bonzini@gnu.org>
1339
1340         * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
1341         constants provided by 80387 instructions in the destination mode.
1342
1343 2006-01-26  Richard Guenther  <rguenther@suse.de>
1344             Andrew Pinski  <pinskia@physics.uc.edu>
1345
1346         PR tree-opt/21470
1347         partial PR tree-opt/17064
1348         * tree-ssa-structalias.c (intra_create_variable_infos):
1349         Create heap variables for incoming parameters if
1350         flag_argument_noalias > 1.
1351         (find_what_p_points_to): Look through default defs of
1352         parameter decls.
1353
1354 2006-01-26  Jeff Law  <law@redhat.com>
1355
1356         PR ada/25900
1357         * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
1358         with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
1359         within the VR_RANGE, use the VR_RANGE as the result, not the
1360         VR_ANTI_RANGE.
1361         (adjust_range_with_scev): Reject ranges from SCEV which are out of
1362         bounds for the type.
1363
1364 2006-01-26  Daniel Berlin  <dberlin@dberlin.org>
1365
1366         * tree-ssa-alias.c (maybe_create_global_var): Change
1367         subvar walking to an assertion that we don't have subvar'd variables.
1368
1369 2006-01-26  Andrew Pinski  <pinskia@physics.uc.edu>
1370
1371         PR C/25861
1372         * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
1373         Use a new variable, inner.  PARM_DECLs are always non-weak.
1374
1375 2006-01-26  Shantonu Sen  <ssen@opendarwin.org>
1376
1377         * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
1378         --disable-checking.
1379
1380 2006-01-26  Adam Nemet  <anemet@caviumnetworks.com>
1381
1382         * config/mips/mips.md (*clear_upper32): New combiner pattern.
1383
1384 2006-01-26  Richard Earnshaw  <richard.earnshaw@arm.com>
1385
1386         * arm.md (smaxsi3, sminsi3): Convert to define_expand.
1387         (smax_insn, smin_insn, smax_0, smin_0): New.
1388
1389 2006-01-26  Hans-Peter Nilsson  <hp@axis.com>
1390
1391         PR target/25947
1392         * config/cris/cris.c (cris_order_for_addsi3): New function.
1393         * config/cris/cris-protos.h: Prototype it.
1394         * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
1395         (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
1396         (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
1397         (split for "op.S1 [rx=rx+i],ry (swapped)")
1398         (split for "op(s|u).S1 [rx=rx+i],ry")
1399         (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
1400         Apply cris_order_for_addsi3 when generating addsi3 insns.
1401
1402 2006-01-25  Diego Novillo  <dnovillo@redhat.com>
1403
1404         * tree.h (TREE_RANGE_CHECK): Fix range predicate.
1405         (TREE_BLOCK): Add call to EXPR_CHECK.
1406
1407 2006-01-25  Diego Novillo  <dnovillo@redhat.com>
1408
1409         PR 25886
1410         * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
1411         * tree-pretty-print.c (dump_omp_clause): Extract from ...
1412         (dump_omp_clauses): ... here.
1413         (dump_generic_node): Handle OMP_CLAUSE.
1414         * tree.c (omp_clause_num_ops): New.
1415         (omp_clause_code_name): New.
1416         (tree_code_size): Handle OMP_CLAUSE.
1417         (tree_size): Likewise.
1418         (make_node): Document handling of OMP_CLAUSE.
1419         (tree_node_structure): Handle OMP_CLAUSE.
1420         (omp_clause_check_failed): New.
1421         (omp_clause_range_check_failed): New.
1422         (omp_clause_operand_check_failed): New.
1423         (build_omp_clause): New.
1424         (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
1425         * tree.h (enum omp_clause_code): Declare.
1426         (OMP_CLAUSE_SUBCODE_CHECK): Define.
1427         (OMP_CLAUSE_RANGE_CHECK): Define.
1428         (OMP_CLAUSE_ELT_CHECK): Define.
1429         (omp_clause_check_failed): Declare.
1430         (omp_clause_operand_check_failed): Declare.
1431         (omp_clause_range_check_failed): Declare.
1432         (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
1433         (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
1434         (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
1435         (OMP_CLAUSE_LASTPRIVATE): Likewise.
1436         (OMP_CLAUSE_IF_EXPR): Likewise.
1437         (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
1438         (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
1439         (OMP_CLAUSE_REDUCTION_CODE): Likewise.
1440         (OMP_CLAUSE_REDUCTION_INIT): Likewise.
1441         (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
1442         (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
1443         Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
1444         (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
1445         (OMP_CLAUSE_DEFAULT_KIND): Likewise.
1446         (OMP_CLAUSE_CODE): Define.
1447         (OMP_CLAUSE_SET_CODE): Define.
1448         (OMP_CLAUSE_CODE): Define.
1449         (OMP_CLAUSE_OPERAND): Define.
1450         (struct tree_omp_clause): Declare.
1451         (union tree_node): Add field 'omp_clause'.
1452         * treestruct.def (TS_OMP_CLAUSE): Define.
1453         * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
1454         OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
1455         OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
1456         OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
1457         OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
1458         OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
1459         (OMP_CLAUSE): Define.
1460         * print-tree.c (print_node): Handle OMP_CLAUSE.
1461         * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
1462         * c-typeck.c: Likewise.
1463         * gimplify.c: Likewise.
1464         * c-omp.c: Likewise.
1465         * tree-nested.c: Likewise.
1466         * tree-inline.c: Likewise.
1467         * c-parser.c: Likewise.
1468         * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
1469         clauses.
1470
1471 2006-01-25  Roger Sayle  <roger@eyesopen.com>
1472
1473         PR rtl-optimization/25703
1474         * combine.c (try_combine): Handle zero_extract and strict_low_part
1475         of non-lowpart SUBREGs for constant reg_subword_p set optimization.
1476
1477 2006-01-25  Peter Bergner  <bergner@vnet.ibm.com>
1478
1479         * global.c: Fix comment typos.
1480
1481 2006-01-25  Andrew Pinski  <pinskia@physics.uc.edu>
1482
1483         PR target/25758
1484         * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
1485         Use output_addr_const instead of assemble_name.
1486
1487 2006-01-25  Paolo Bonzini  <bonzini@gnu.org>
1488
1489         * Makefile.in (sched-vis.o): Update dependencies.
1490         * haifa-sched.c (sched_finish): Clear current_sched_info.
1491         * cfg.c (dump_bb_info): New, split from dump_flow_info.
1492         (dump_flow_info): Call it.
1493         * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
1494         a slim RTL dump.
1495         * basic-block.h (dump_bb_info): Declare.
1496         * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
1497         option, and apply options only for dump files whose TDF_RTL,
1498         TDF_TREE, or TDF_IPA bits match.
1499         * rtl.h: Declare new functions exported from sched-vis.c.
1500         * sched-vis.c: Enable also if scheduling is not used.
1501         (print_value): Print the mode of registers if not inside scheduling.
1502         (print_insn): Make it work outside the scheduler.  Beautify the output
1503         a bit.
1504         (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
1505
1506 2006-01-25  Richard Sandiford  <richard@codesourcery.com>
1507
1508         * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
1509         * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
1510         a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
1511         depending on the value of CONSTANT_POOL_ADDRESS_P.
1512         * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
1513         SYMBOL_REF_DECL.
1514         * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
1515         rather than SYMBOL_REF_DECL.
1516         (rtx_constant_pool): Remove const_rtx_sym_htab.
1517         (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
1518         (init_varasm_status): Don't initialize const_rtx_sym_htab.
1519         (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
1520         Remove handling of const_rtx_sym_htab.
1521         (find_pool_constant): Delete.
1522         (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
1523         rather than find_pool_constant.
1524         (get_pool_constant_for_function): Delete.
1525         (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
1526         find_pool_constant.
1527         * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
1528         (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
1529         (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
1530         (SYMBOL_REF_CONSTANT): New macro.
1531         (get_pool_constant_for_function): Delete.
1532         * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
1533         rather than SYMBOL_REF_DECL.
1534         (i386_pe_mark_dllimport): Likewise.
1535         * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
1536         rather than SYMBOL_REF_DECL.
1537         * config/darwin.c (machopic_indirect_data_reference): Likewise.
1538         (machopic_indirect_call_target): Likewise.
1539
1540 2006-01-25  Eric Botcazou  <ebotcazou@adacore.com>
1541
1542         * flow.c (delete_noop_moves): Add missing EOL to dump message.
1543
1544 2006-01-25  Richard Sandiford  <richard@codesourcery.com>
1545
1546         * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
1547
1548 2006-01-25  Kaz Kojima  <kkojima@gcc.gnu.org>
1549
1550         * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
1551
1552 2006-01-24  David Daney  <ddaney@avtrex.com>
1553
1554         PR java/25816
1555         * configure.ac (enable_tls): New enable option.
1556         (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
1557         * configure: Regenerate.
1558         * doc/install.texi (--enable-tls): Document new option.
1559         (--disable-tls): Ditto.
1560
1561 2006-01-24  Richard Henderson  <rth@redehat.com>
1562
1563         * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
1564         * alias.c (true_dependence): Respect it.
1565         (canon_true_dependence, write_dependence_p): Likewise.
1566         * builtins.c (get_builtin_sync_mem): Set it.
1567
1568 2006-01-25  Zdenek Dvorak <dvorakz@suse.cz>
1569
1570         * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
1571         efficient way.
1572
1573 2006-01-24  DJ Delorie  <dj@redhat.com>
1574
1575         * expmed.c (store_bit_field): Don't arbitrarily deny using insv
1576         for storing constants in single-bit bitfields.
1577
1578 2006-01-25  Ben Elliston  <bje@au.ibm.com>
1579
1580         * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
1581
1582 2006-01-24  Andrew Pinski  <pinskia@physics.uc.edu>
1583
1584         PR tree-opt/25860
1585         * tree-ssa-pre.c (phi_translate): Return NULL
1586         for AGGREGATE_TYPE's.
1587
1588 2006-01-24  Zack Weinberg  <zackw@panix.com>
1589
1590         * genautomata.c (process_state_for_insn_equiv_partition):
1591         Use xcalloc for insn_arcs_array.
1592         * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
1593         (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
1594
1595 2006-01-24  Richard Henderson  <rth@redhat.com>
1596
1597         * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
1598         update all callers.
1599
1600 2006-01-23  Paolo Bonzini  <bonzini@gnu.org>
1601
1602         PR rtl-optimization/25890
1603         PR rtl-optimization/25905
1604         * combine.c (expand_compound_operation, expand_field_assignment):
1605         Fail if the bitfield's final position is out of bounds.
1606
1607 2006-01-24  Ian Lance Taylor  <ian@airs.com>
1608
1609         PR middle-end/25930
1610         * cgraphunit.c (cgraph_output_in_order): Don't clear
1611         cgraph_asm_nodes until after asm strings have been output.
1612
1613 2006-01-23  Adam Nemet  <anemet@caviumnetworks.com>
1614
1615         * fix-header.c (read_scan_file): Add new parameter imultilib when
1616         calling register_include_chains.
1617
1618 2006-01-23  Diego Novillo  <dnovillo@redhat.com>
1619
1620         * omp-low.c: Update documentation.
1621
1622 2006-01-23  Andrew Pinski  <pinskia@physics.uc.edu>
1623             Daniel Berlin  <dberlin@dberlin.org>
1624
1625         PR tree-opt/25315
1626         PR tree-opt/25857
1627         * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
1628         return from the function.
1629
1630 2006-01-22  Zack Weinberg  <zackw@panix.com>
1631
1632         * rtl.def (match_code): Add second argument.
1633         * genpreds.c (write_extract_subexp): New function.
1634         (write_match_code): Add path argument.  Use write_extract_subexp.
1635         (write_predicate_expr): Pass path to write_match_code.
1636         (mark_mode_tests): MATCH_CODE applied to a subexpression does
1637         not perform a mode test.
1638         * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
1639         a subexpression does not constrain the top-level code set.
1640         * read-rtl.c (read_rtx_variadic): New function.
1641         (read_rtx_1): Use it; allow AND and IOR to be variadic.
1642         * doc/md.texi: Document new notation.
1643         * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
1644         (cmpsi_operand): ... here, using new notation.
1645
1646 2006-01-22  Zack Weinberg  <zackw@panix.com>
1647
1648         * varray.c: Remove GENERATOR_FILE #ifdefs.
1649
1650 2006-01-22  Zack Weinberg  <zackw@panix.com>
1651
1652         * genautomata.c (output_reserved_units_table): Emit nothing if
1653         description->query_units_num is zero.  Remove extra blank line.
1654         (output_cpu_unit_reservation_p): Short circuit
1655         if description->query_units_num is zero.
1656
1657 2006-01-22  Zack Weinberg  <zackw@panix.com>
1658
1659         * genattrtab.c: Don't include genattrtab.h.  Define ATTR_NONE
1660         and ATTR_SPECIAL (from genattrtab.h).  Don't define num_dfa_decls
1661         nor any of the random handful of variables that used to be necessary
1662         when this program was linked with rtlanal.o.  Prune set of forward
1663         function declarations.
1664         (struct attr_desc): Remove static_p field.
1665         (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
1666         (check_attr_test, make_internal_attr, make_numeric_value): Make static.
1667         (attr_string): Do not read the character one past the length of
1668         the string.
1669         (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
1670         (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
1671         (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
1672         (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
1673         (make_automaton_attrs): New.
1674         (main): Do not call into genautomata.  Call local gen_bypass
1675         and gen_insn_reserv as appropriate.  Call make_automaton_attrs.
1676         Remove special case for insn_alts.
1677         * genautomata.c: Include gensupport.h; not genattrtab.h nor
1678         varray.h (leftover from previous change).  Prune set of forward
1679         function declarations.  Remove state_alts fields from all
1680         structures.  Remove state_alts_table from struct automaton.
1681         Make everything except main static.  Do not maintain num_dfa_decls.
1682         Do not maintain state_alts fields of various structures.
1683         (process_decls): Don't validate condexp for dm_insn_reserv decls.
1684         (add_arc): Remove state_alts argument.  All callers updated.
1685         (output_reserved_units_table): Emit #ifdef here...
1686         (output_tables): ...not here.  Don't generate state_alts tables.
1687         (expand_automata): Don't generate attributes.
1688         (write_automata): Don't generate state_alts functions.
1689         (main): New function.
1690         (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
1691         (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
1692         (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
1693         (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
1694         (BYPASS_P_FUNC_NAME, output_state_alts_table)
1695         (output_automata_list_state_alts_code, output_internal_state_alts_func)
1696         (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
1697         (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
1698         Delete.
1699         * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
1700         * genattrtab.h: Delete file.
1701         * Makefile.in (OBJS-common): Add insn-automata.o.
1702         (insn-automata.o): New rule.
1703         (simple_generated_c): Add insn-automata.c.
1704         (build/genattrtab.o, build/genautomata.o): Update dependencies.
1705         (genprogmd): Add automata.
1706         (build/genattrtab): Needs no extra objects nor libraries.
1707         (build/genautomata): Needs build/vec.o and -lm.
1708
1709 2006-01-22  Zack Weinberg  <zackw@panix.com>
1710
1711         * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
1712         (output_dfa_max_issue_rate, locked_states_num): Delete.
1713         (struct automaton): Add locked_states field.
1714         (output_dead_lock_vect): Save number of locked states in
1715         automaton->locked_states.  If it is zero, don't print anything.
1716         (output_max_insn_queue_index_def): Define max_insn_queue_index const.
1717         (output_internal_dead_lock_func): Only test the dead_lock_vect
1718         for automata that have locked states.
1719         (output_statistics): Always print the number of locked states for
1720         each automaton.  Calculate total number of locked states here.
1721         (write_automata): Don't call output_dfa_max_issue_rate.
1722         * genattrtab.c: Define length_unit_log as a const variable.
1723         * genattr.c: Don't emit MAX_DFA_ISSUE_RATE.  Declare
1724         max_insn_queue_index const.
1725         * final.c (length_unit_log): Declare const.
1726         * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
1727
1728 2006-01-22  Zack Weinberg  <zackw@panix.com>
1729
1730         * genautomata.c:  Include vec.h, not varray.h.
1731         Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
1732         VLA_HWINT_ macros.  Change vla_hwint_t to a typedef for
1733         VEC(vect_el_t,heap) *.  Convert all uses of VLA_* macros to
1734         VEC_* macros operating on appropriately typed vectors, or to
1735         malloced arrays when the size is known in advance.  Const-ify
1736         many char* variables and function arguments.  No functional changes.
1737         * Makefile.in (build/varray.o): Delete rule.
1738         (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
1739         (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
1740
1741 2006-01-22  Zack Weinberg  <zackw@panix.com>
1742
1743         * gensupport.c: Define get_insn_name and record_insn_name here.
1744         (read_md_rtx): Call record_insn_name as appropriate.
1745         * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
1746         * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
1747         * genpreds.c, genrecog.c: Don't define get_insn_name nor
1748         record_insn_name.
1749         * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
1750         (BUILD_VARRAY): Delete.
1751         (genprognormal): Rename genprogmd.  Fold in all programs from
1752         genprognoprint; also attrtab.
1753         (build/genattrtab): Just mention genautomata.o and varray.o.
1754         Reorganize a bit, add comments to make the categories clearer.
1755
1756 2006-01-22  Zack Weinberg  <zackw@panix.com>
1757
1758         * genconditions.c (condition_table, add_condition): Delete.
1759         (write_conditions): Don't emit n_insn_conditions nor
1760         insn_elision_unavailable.  Issue the gcc version #ifdef here,
1761         inside the table, with no #else clause ...
1762         (write_header): ...not here.
1763         (write_writer): New function.
1764         (main): Don't initialize condition_table.  Use add_c_test.
1765         Call write_writer.
1766         * gensupport.c (init_md_reader_args_cb): Handle multiple input
1767         files on the command line.
1768         (maybe_eval_c_test): Don't check insn_elision_unavailable.
1769         Return -1 if there is no entry in the table, don't abort.
1770         (add_c_test, traverse_c_tests): New functions.
1771         * gensupport.h (insn_elision_unavailable, insn_conditions)
1772         (n_insn_conditions): Delete declarations.
1773         (add_c_test, traverse_c_tests): Declare.
1774         * read-rtl.c: Include gensupport.h.
1775         (read_conditions): New function.
1776         (read_rtx): If read_rtx_1 returns 0, treat as EOF.
1777         (read_rtx_1): If we get EOF when we were looking for an initial
1778         open paren, return 0.  Call read_conditions when appropriate.
1779         * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
1780         dummy-conditions.o.  Eliminate references to insn-conditions.o,
1781         or change them to build/gencondmd.o, as appropriate.  Remove
1782         insn-constants.h from $(simple_generated_h) and insn-conditions.c
1783         from $(simple_generated_c).  For all files remaining in those
1784         two lists, add insn-conditions.md to the generator command line.
1785         Give insn-constants.h/s-constants their own rules.  Add rules
1786         for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
1787         (build/read-rtl.o): Depend on gensupport.h.
1788         (genprognormal): Include preds.
1789         (genprogearly): Rename genprognoprint; only difference is now that
1790         they don't link with $(BUILD_PRINT).
1791         * dummy-conditions.c: Delete.
1792
1793 2006-01-22  Zack Weinberg  <zackw@panix.com>
1794
1795         * genextract.c: Don't include insn-config.h.  Do include vec.h.
1796         Declare vectors of int, char, and locstr.
1797         (locstr): New typedef.
1798         (struct extraction): Make all array fields into bare pointers.
1799         (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
1800         (insn_code_number): Delete.
1801         (accum_extract): New struct.
1802         (VEC_safe_set_locstr, VEC_char_to_string): New functions.
1803         (gen_insn): Take insn_code_number as an argument.  Use an
1804         accum_extract structure instead of loading data directly into
1805         a struct extraction, and having to know how big it might get.
1806         (walk_rtx): Operate entirely on an accum_extract structure.
1807         (print_path): Avoid unnecessary use of printf.
1808         (print_header): New function, split out of main.  Distinguish
1809         more carefully between an unrecognizable insn and an insn that
1810         has the code number of a define_expand.
1811         (main): Pass insn_code_number to gen_insn.  Call print_header
1812         only after parsing.  Avoid unnecessary use of printf.
1813         * Makefile.in (build/vec.o): New rule.
1814         (build/genextract): Depend on build/vec.o.
1815         (build/genextract.o): Don't depend on insn-config.h.
1816
1817 2006-01-22  Zack Weinberg  <zackw@panix.com>
1818
1819         * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
1820         $(RUN_GEN).  Use pattern rules to factor out as much boilerplate as
1821         practical.  Eliminate per-generator-program link rules.
1822
1823 2006-01-23  Andrew Pinski  <pinskia@physics.uc.edu>
1824
1825         PR middle-end/24437
1826         * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
1827         with a call expr to ...
1828         * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
1829
1830 2006-01-23  Richard Guenther  <rguenther@suse.de>
1831
1832         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
1833         before make_edge with conditional EDGE_TRUE_VALUE.
1834
1835 2006-01-23  Steven Bosscher  <stevenb.gcc@gmail.com>
1836         Jan Hubicka  <jh@suse.cz>
1837         Richard Guenther  <rguenther@suse.de>
1838
1839         PR rtl-optimization/25654
1840         * cfgexpand.c (aggregate_contains_union_type): New function.
1841         (add_alias_set_conflicts): Call it.  Make sure to add conflicts
1842         for structure variables that contain a union type.
1843
1844 2006-01-23  Richard Sandiford  <richard@codesourcery.com>
1845
1846         * gengtype.c (new_structure): Return the structure.
1847         (create_option): Add an extra "next" argument.
1848         (create_field): New function.
1849         (adjust_field_rtx_def): Use create_option and create_field.
1850         Remove a now-unnecessary call to find_structure.
1851         (adjust_field_tree_def): Likewise.
1852         (note_yacc_type): Remove an unnecessary call to find_structure.
1853         * gengtype.h (new_structure): Return the structure.
1854         (create_option): Add an extra argument.
1855         * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
1856         (option): Adjust calls to create_option.
1857
1858 2006-01-22  David Edelsohn  <edelsohn@gnu.org>
1859
1860         * config/rs6000/aix.h (STACK_BOUNDARY): Define.
1861
1862 2006-01-22  Paul Brook  <paul@codesourcery.com>
1863         Peter Barada  <peter@the-baradas.com>
1864
1865         * config/m68k/m68k.md: Add Coldfire FPU support.
1866         Define FP mode macro and associated attributes.
1867         Use it for float mode patterns.
1868         * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
1869         (LIBCALL_VALUE): Use m68k_libcall_value.
1870         * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
1871         (m68k_function_value): Ditto.
1872         (emit_move_sequence): Ditto.
1873         * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
1874         * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
1875         * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
1876         (MULTILIB_EXCEPTIONS): Ditto.
1877         * config/m68k/m68k.opt: Add mcfv4e.
1878         * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
1879         (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
1880         (m68k_output_function_prologue): Save ColdFire FPU registers.
1881         (m68k_output_function_epilogue): Restore ColdFire FPU registers.
1882         (force_mode, fp_reg_operand, emit_move_sequence): New functions.
1883         (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
1884         ColdFire FPU registers.
1885         (m68k_libcall_value, m68k_function_value): New functions.
1886         * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
1887         (LIBCALL_VALUE): Use m68k_libcall_value.
1888         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
1889         (MASK_COLDFIRE): Add MASK_CFV4E.
1890         (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
1891         (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
1892         (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
1893         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
1894         (GO_IF_LEGITIMATE_ADDRESS): Use it.
1895         (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
1896         * doc/invoke.tex: Document -mcfv4e on m68k.
1897
1898 2006-01-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
1899
1900         * doc/contribute.texi: Change CVS to SVN and update the corresponding
1901         URL.
1902
1903 2006-01-21  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1904
1905         PR c++/16190
1906         * c-opts.c (c_common_handle_option): Don't include
1907         -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
1908         * doc/invoke.texi (C++ Dialect Options): Document that
1909         -Wnon-virtual-dtor is no longer included in -Wall.
1910
1911 2006-01-21  Joseph S. Myers  <joseph@codesourcery.com>
1912
1913         * gcov.c (print_version), gcov-dump.c (print_version),
1914         mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
1915         dates.
1916
1917 2006-01-21  Kenneth Zadeck <zadeck@naturalbridge.com>
1918
1919         * df-scan.c (problem_SCAN): Added NULL reset function.
1920         (df_scan_reset_blocks): Added code to call reset block function
1921         (df_bb_refs_delete) Fixed comment.
1922         (df_insn_refs_delete): Made tolerant of deleting non existent info
1923         for dataflow problems that need to be reset.
1924         * df-core.c (df_set_blocks): Ditto.
1925         * df.h (struct df_problem): Added reset_fun.
1926         * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
1927         problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
1928         (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
1929         functions to clear out all references to def-use or use-def chains.
1930
1931 2006-01-21  Ben Elliston  <bje@au.ibm.com>
1932
1933         * varasm.c (assemble_real): Initialise data array.
1934
1935 2006-01-20  Paul Brook  <paul@codesourcery.com>
1936
1937         Merge from csl-arm-branch.
1938         2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
1939         * config/arm/arm.md (movdi): Force operands[1] to a register
1940         if we have a non-register source.
1941         (*arm_movdi, *movdf_soft_insn): Require that one of the
1942         operands be a register.
1943         * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
1944         * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
1945
1946 2006-01-20  DJ Delorie  <dj@redhat.com>
1947
1948         * varasm.c (initialize_constant_valid_p): Allow pointers
1949         initialized from integer constants of lesser precision.
1950         (output_constant): Allow non-int-sized pointer modes to be
1951         initialized from integer constants.
1952
1953 2006-01-20  Joseph S. Myers  <joseph@codesourcery.com>
1954
1955         PR libstdc++/25524
1956         * cppdefault.h (struct default_include): Add multilib flag.
1957         * cppdefault.c (cpp_include_defaults): Set it.
1958         * c.opt (-imultilib): New option.
1959         * c-opts.c (imultilib): New.
1960         (c_common_handle_option): Handle -imultilib.
1961         (c_common_post_options): Likewise.
1962         * c-incpath.c (add_standard_paths, register_include_chains):
1963         Likewise.
1964         * c-incpath.h (register_include_chains): Add extra parameter.
1965         * gcc.c (do_spec_1): Generate -imultilib option.
1966         (The Specs Language): Update %I description.
1967         (process_command): Update copyright notice.
1968         * doc/cppopts.texi (-imultilib): Document.
1969         * doc/invoke.texi (-imultilib): Include in option summary.
1970         (%I): Update specs documentation.
1971
1972 2006-01-20  Zdenek Dvorak <dvorakz@suse.cz>
1973
1974         * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
1975
1976 2006-01-20  Richard Sandiford  <richard@codesourcery.com>
1977
1978         * stmt.c (case_bit_test_cmp): Stabilize the sort using code
1979         label numbers.
1980
1981 2006-01-20  Richard Guenther  <rguenther@suse.de>
1982         Steven Bosscher <stevenb.gcc@gmail.com>
1983
1984         PR rtl-optimization/24626
1985         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
1986         EDGE_TRUE_VALUE if in RTL mode.
1987
1988         Revert
1989         2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
1990         * cfgrtl.c (rtl_verify_flow_info_1): Fix.
1991
1992 2006-01-20  Dirk Mueller  <dmueller@suse.com>
1993
1994         PR c++/5520
1995         * c-parser.c (c_parser_if_body): Use build_empty_stmt()
1996         instead of a special NOP marker.
1997         * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
1998         NOP marker handling.
1999         * c-common.h (empty_body_warning): Add forward declaration.
2000         * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
2001         Now uses IS_EMPTY_STMT() instead of special NOP markers.
2002
2003 2006-01-20  Paul Brook  <paul@codesourcery.com>
2004
2005         * Makefile.in (lang_checks): Keep going if mkdir fails.
2006
2007 2006-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
2008
2009         * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
2010         be able to clean out basic block when not necessary.
2011         (df_scan_free): Fixed to properly delete information if df is
2012         unused before calling df_finish.
2013         (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
2014         df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
2015         or comment typos.
2016         (df_bb_refs_delete): New function.
2017         (df_refs_delete): Moved per block code to df_bb_refs_delete.
2018         * df-core.c (df_set_blocks): Added code to properly clean out
2019         unused blocks if they are not part of the blocks to consider.
2020         Added additional null check.
2021         (df_compact_blocks): Added basic block parameter to free_bb_fun to
2022         be able to clean out basic block when not necessary
2023         * df.h (df_free_bb_function): Ditto.
2024         (df_bb_refs_delete): New function.
2025         * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
2026         df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
2027         basic block parameter to be able to clean out basic block when not
2028         necessary.
2029         (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
2030         (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
2031         Fixed to properly delete information if df is unused before
2032         calling df_finish.
2033
2034 2006-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
2035
2036         PR rtl-optimization/25799
2037         * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
2038         Corrected confluence operator to remove bits from op2 before oring
2039         with op1 rather than removing bits from op1.
2040         (df_ru_transfer_function): Corrected test on wrong bitmap which
2041         caused infinite loop.  Both of these problems were introduced in
2042         the dataflow rewrite.
2043
2044 2006-01-19  DJ Delorie  <dj@redhat.com>
2045
2046         * reload1.c (find_reload_regs): Note the details of reload
2047         failures in the dump file.
2048         (spill_failure): Likewise.
2049
2050 2006-01-20  Zdenek Dvorak <dvorakz@suse.cz>
2051
2052         * loop-iv.c: Include df.h and hashtab.h.
2053         (enum iv_grd_result): New enum.
2054         (DF_REF_IV, DF_REF_IV_SET): New macros.
2055         (struct biv_entry): New.
2056         (df, bivs): New global variables.
2057         (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
2058         assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
2059         Removed.
2060         (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
2061         iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
2062         analyzed_for_bivness_p, record_biv): New functions.
2063         (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
2064         get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
2065         iv_analyze, biv_p, iv_analysis_done): Work with df representation of
2066         UD chains.
2067         (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
2068         analysed.
2069         (iv_number_of_iterations): Use new interface to iv analysis.
2070         * loop-unroll.c: Do not include varray.h.
2071         (analyze_iv_to_split_insn): Use new interface to iv
2072         analysis.
2073         * loop-unswitch.c (may_unswitch_on): Ditto.
2074         * df.c (df_bitmaps_free): Only work for bbs for that structures are
2075         allocated.
2076         (df_bb_modify): Realloc tables to the new index.
2077         (df_find_use): New function.
2078         * df.h (df_find_use): Declare.
2079         * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
2080         outmode.
2081         * cfgloop.h (struct rtx_iv): Remove analysed field.
2082         (iv_get_reaching_def): Removed.
2083         (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
2084         * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
2085         (loop-iv.o): Add df.h and hashtab.h dependency.
2086         * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
2087
2088 2006-01-20  Alan Modra  <amodra@bigpond.net.au>
2089
2090         PR target/25668
2091         * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
2092         Double TFmode.
2093         (__floatundisf, __floatundidf): Likewise.
2094         * libgcc2.h (IS_IBM_EXTENDED): Define.
2095
2096 2006-01-19  DJ Delorie  <dj@redhat.com>
2097
2098         * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
2099
2100 2006-01-19  Paul Brook  <paul@codesourcery.com>
2101
2102         * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
2103         as nothrow when unwinding tables are disabled.
2104
2105 2006-01-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2106
2107         PR testsuite/25171
2108         * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
2109         of bit-field" when in system header.
2110
2111 2006-01-19  DJ Delorie  <dj@redhat.com>
2112
2113         * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
2114         the 16 bit shift limit of the m16c.
2115
2116 2006-01-19  Andrew Pinski  <pinskia@physics.uc.edu>
2117
2118         PR target/22099
2119         * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
2120         * config/i386/i386.c (output_set_got): Output the label if we have one
2121         for the TARGET_DEEP_BRANCH_PREDICTION case.
2122
2123 2006-01-19  Jan Hubicka  <jh@suse.cz>
2124             H.J. Lu  <hongjiu.lu@intel.com>
2125             Evandro Menezes <evandro.menezes@amd.com>
2126
2127         * invoke.texi (generic): Document
2128         (i686) Update.
2129         * config.gcc: Make x86_64-* and i686-* default to generic tunning.
2130         * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
2131         TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
2132         (x86_use_incdec, x86_pad_returns): New variables
2133         (TARGET_CPU_DEFAULT_generic): New constant
2134         (TARGET_CPU_DEFAULT_NAMES): Add generic.
2135         (enum processor_type): Add generic32 and generic64.
2136         * i386.md (cpu attribute): Add generic32/generic64
2137         (movhi splitter): Behave sanely when both partial_reg_dependency and
2138         partial_reg_stall are set.
2139         (K8 splitters): Enable for generic as well.
2140         * predicates.md (incdec_operand): Use TARGET_INCDEC
2141         (aligned_operand): Avoid memory mismatch stalls.
2142         * athlon.md: Enable for generic64, new patterns for 128bit moves.
2143         * ppro.md: Enable for generic32
2144         * i386.c (generic64_cost, generic32_cost): New.
2145         (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
2146         (x86_use_leave): Enable for generic64.  (x86_use_sahf,
2147         x86_ext_80387_constants): Enable for generic32.  (x86_push_memory,
2148         x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
2149         x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
2150         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
2151         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2152         x86_accumulate_outgoing_args, x86_prologue_using_move,
2153         x86_epilogue_using_move, x86_arch_always_fancy_math_387,
2154         x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
2155         Enable for generic.
2156         (x86_use_incdec, x86_pad_returns): New.
2157         (override_options): Add generic32 and generic64, translate "generic"
2158         to generic32/generic64 and "i686" to "generic32", refuse
2159         "generic32"/"generic64" as arch target.
2160         (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
2161         (ix86_reorg): Honor PAD_RETURNS.
2162
2163 2006-01-19  Diego Novillo  <dnovillo@redhat.com>
2164
2165         * tree-pretty-print.c (dump_generic_node): Handle
2166         OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
2167         * cgraph.c (cgraph_expand_queue): Rename from
2168         cgraph_analyze_queue.  Update all users.
2169         * cgraphunit.c (cgraph_assemble_pending_functions): Process
2170         cgraph_expand_queue.
2171         (cgraph_expand_all_functions): Likewise.
2172         (cgraph_finalize_pending_functions): Remove.  Update callers.
2173
2174         * tree.h (OMP_DIRECTIVE_P): Define.
2175         (OMP_PARALLEL_FN): Define.
2176         (OMP_PARALLEL_DATA_ARG): Define.
2177         (OMP_SECTIONS_SECTIONS): Define.
2178         * tree-pass.h (pass_expand_omp): Declare.
2179         * omp-low.c (struct omp_region): Declare.
2180         (struct omp_context): Remove fields 'parallel_type',
2181         'parallel_start_ix' and 'parallel_start_additional_args'.
2182         Update all users.
2183         (struct omp_for_data): Rename from struct expand_omp_for_data.
2184         (omp_regions): New static variable.
2185         (root_omp_region): New static variable.
2186         (find_omp_clause): Make static.
2187         (is_in_combined_parallel_ctx): Remove.
2188         (is_combined_parallel): New.
2189         (extract_omp_for_data): Move earlier in the file.
2190         (workshare_safe_to_combine_p): New.
2191         (get_ws_args_for): New.
2192         (determine_parallel_type): Move earlier in the file.
2193         (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
2194         child function.
2195         (omp_copy_decl): Likewise.
2196         (create_omp_child_function): Likewise.
2197         (lookup_omp_region): New.
2198         (dump_omp_region): New.
2199         (debug_omp_region): New.
2200         (debug_all_omp_regions): New.
2201         (new_omp_region): New.
2202         (scan_omp_parallel): If parallel_nesting_level > 1, the
2203         directive is nested within another parallel directive.
2204         Set OMP_PARALLEL_FN.
2205         (scan_omp_for): Do not try to handle combined parallel+for
2206         cases.
2207         Remove FIXME comment.
2208         (scan_omp_nested): Remove.
2209         (scan_omp_1): Do not call scan_omp_nested when
2210         parallel_nesting_level is > 1.
2211         Do not change the DECL_CONTEXT of local variables found.
2212         (lookup_decl_in_outer_ctx): New.
2213         (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
2214         (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
2215         (lower_reduction_clauses): Rename from expand_reduction_clauses.
2216         (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
2217         If CTX is nested, lookup VAR in the outer context when
2218         building copy assignment.
2219         (lower_send_clauses): Rename from expand_send_clauses.
2220         If CTX is nested, lookup VAR in the outer context when
2221         building copy assignments.
2222         (lower_send_shared_vars): Rename from expand_send_shared_vars.
2223         If CTX is nested, lookup VAR in the outer context when
2224         building copy assignments.
2225         (expand_parallel_call): Rename from build_parallel_call.
2226         Handle combined parallel+workshare cases.
2227         Re-implement to emit code into the CFG.
2228         (list2chain): New.
2229         (expand_omp_parallel): Re-implement to emit code into the CFG.
2230         Call move_sese_region_to_fn to outline the sub-graph
2231         containing the parallel region.
2232         (expand_omp_for_1): Remove.
2233         (expand_omp_for_generic): Re-implement to emit code into the
2234         CFG.
2235         (expand_omp_for_static_nochunk): Likewise.
2236         (expand_omp_for_static_chunk): Likewise.
2237         (expand_omp_for): Likewise.
2238         (expand_omp_sections): Likewise.
2239         (remove_exit_barriers): New.
2240         (expand_omp_synch): New.
2241         (expand_omp): New.
2242         (build_omp_regions_1): New.
2243         (build_omp_regions): New.
2244         (execute_expand_omp): New.
2245         (gate_expand_omp): New.
2246         (pass_expand_omp): Define.
2247         (lower_omp_sections): Rename from expand_omp_sections.
2248         Set OMP_SECTIONS_SECTIONS.
2249         (lower_omp_single_simple): Rename from expand_omp_single_simple.
2250         (lower_omp_single_copy): Rename from expand_omp_single_copy.
2251         (lower_omp_single): Rename from expand_omp_simple.
2252         (lower_omp_master): Rename from expand_omp_master.
2253         (lower_omp_ordered): Rename from expand_omp_ordered.
2254         (lower_omp_critical): Rename from expand_omp_critical.
2255         (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
2256         (lower_omp_for): Re-implement.
2257         (lower_omp_parallel): Re-implement.
2258         (lower_regimplify): Rename from expand_regimplify.
2259         (lower_omp_1): Rename from expand_omp_1.
2260         If there are syntax errors in the program, replace every
2261         OpenMP directive with NOP.
2262         Call lower_omp_* instead of expand_omp_*.
2263         (lower_omp): Rename from expand_omp.
2264
2265         * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
2266         * tree-gimple.h (enum omp_parallel_type): Remove.
2267         (gimple_boolify): Declare extern.
2268         (find_omp_clause, determine_parallel_type): Remove.
2269
2270         * gimple-low.c (lower_omp_directive): New.
2271         (lower_stmt): Call it.
2272         (record_vars_into): Move from ...
2273         (record_vars): ... here.
2274         Call record_vars_into with current_function_decl.
2275
2276         * gimplify.c (struct gimplify_ctx): Remove fields
2277         combined_pre_p and combined_ctxp.  Update users.
2278         (get_formal_tmp_var): Add documentation.
2279         (gimple_boolify): Make extern.
2280         (gimplify_expr_in_ctx): Remove.  Update callers.
2281         (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
2282         will always be a BIND_EXPR.
2283         (gimplify_expr): Handle OMP_RETURN_EXPR.
2284         * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
2285         (OMP_PARALLEL): Add 3 operands.
2286         (OMP_SECTIONS): Add 1 operand.
2287         (OMP_RETURN_EXPR): Define.
2288
2289         * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
2290         (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
2291         * tree-iterator.c (alloc_stmt_list): Assert that we are not
2292         creating a circular free list.
2293         (free_stmt_list): Assert that we are not freeing stmt_list_cache.
2294
2295         * tree-flow.h (move_sese_region_to_fn): Declare.
2296         (record_vars_into): Declare.
2297         * tree-cfg.c (make_omp_sections_edges): New.
2298         (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
2299         OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
2300         OMP_SECTIONS and OMP_SECTION.
2301         (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
2302         (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
2303         (verify_stmt): Do not handle OMP_DIRECTIVE_P.
2304         (gather_blocks_in_sese_region): New.
2305         (struct move_stmt_d): Declare.
2306         (move_stmt_r): New.
2307         (move_block_to_fn): New.
2308         (move_sese_region_to_fn): New.
2309
2310         * passes.c (init_optimization_passes): Schedule
2311         pass_expand_omp after pass_init_datastructures.
2312
2313         * tree-ssa-operands.c (get_expr_operands): Handle
2314         OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
2315         OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
2316
2317 2006-01-19  Jeff Law  <law@redhat.com>
2318
2319         * tree-vrp.c (extract_range_from_assert): Refine the result range
2320         if the variable referenced by the ASSERT_EXPR has a range and
2321         either the tentative result range or the previous range is a
2322         VR_ANTI_RANGE.
2323
2324 2006-01-19  Richard Sandiford  <richard@codesourcery.com>
2325
2326         * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
2327
2328 2006-01-19  Jan Hubicka  <jh@suse.cz>
2329
2330         * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
2331
2332 2006-01-19  Paolo Bonzini  <bonzini@gnu.org>
2333
2334         * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
2335         (expand_compound_operation, expand_field_assignment): Fail if the
2336         bit lengths of an extract operation are out of range.
2337         (make_extraction): Compute wanted_inner_mode based on the position
2338         and length of the extraction.  Make it extraction_mode for non-constant
2339         positions, and do not modify offset in that case.  When generating a
2340         new MEM, use a mode that can hold the extraction while keeping correct
2341         alignment.  Remove code that supported MEMs wrapped by USEs.
2342         (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
2343
2344 2006-01-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2345
2346         * config/s390/s390.md ("Y", "y"): New mode attribute.
2347         ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
2348         "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
2349         "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
2350         "*addsi3_imm_cc", "*addsi3_carry1_cc",
2351         "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
2352         "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
2353         "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
2354         "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
2355         "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
2356         "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
2357         "addsi3", "subsi3"): Insn patterns removed.
2358         ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
2359         "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
2360         "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
2361         "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
2362         "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
2363         "*sub<mode>3_cconly2"): New insn patterns.
2364         ("addsi3", "subsi3"): New expanders.
2365
2366 2006-01-19  Dorit Nuzman  <dorit@il.ibm.com>
2367
2368         * Makefile.in (tree-vect-patterns.o): Add rule for new file.
2369         * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
2370         existing STMT_VINFO_VECTYPE if available.
2371         (vect_mark_relevant): Add special handling for stmts that are
2372         marked as STMT_VINFO_IN_PATTERN_P.
2373         (vect_analyze_loop): Call vect_pattern_recog.
2374         * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
2375         * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
2376         stmt_info.
2377         (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
2378         (vect_recog_func_ptr): New function-pointer type.
2379         * tree-vect-patterns.c: New file.
2380         (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
2381         (vect_recog_dot_prod_pattern, vect_pattern_recog):
2382         (vect_pattern_recog_1): New functions.
2383         (vect_pattern_recog_funcs): New array of function pointers.
2384
2385         * tree-vectorizer.h (ternary_op): New enum value.
2386         * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
2387         declaration. Revised documentation. Removed redundant dump prints.
2388         Removed redundant argument. Added support for reduction patterns.
2389         (vectorizable_reduction): Added support for reduction patterns.
2390         (vect_transform_stmt): Added support for patterns.
2391
2392         * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
2393         * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
2394         * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
2395         (expand_widen_pattern_expr): New function.
2396         (init_optabs): Initialize new optabs udot_prod_optab,
2397         sdot_prod_optab.
2398         * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
2399         (sdot_prod_optab, udot_prod_optab): Define new optabs.
2400         (expand_widen_pattern_expr): New function declaration.
2401         * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
2402         tree-codes.
2403         * tree-inline.c (estimate_num_insns_1): Added cases for new
2404         tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
2405         * tree-pretty-print.c (dump_generic_node): Likewise.
2406         (op_prio): Likewise.
2407         (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
2408         * tree-ssa-operands.c (get_expr_operands): Added case for
2409         DOT_PROD_EXPR.
2410         * tree-vect-patterns.c (widened_name_p): New function.
2411         (vect_recog_dot_prod_pattern): Added function implementation.
2412         * tree-vect-transform.c (get_initial_def_for_reduction): Added
2413         cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
2414         * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
2415         * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
2416
2417         * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
2418         * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
2419         * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
2420         (init_optabs): Initialize new optabs widen_ssum_optab,
2421         widen_usum_optab.
2422         * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
2423         (widen_ssum_optab, widen_usum_optab): Define new optabs.
2424         * tree-vect-generic.c: (expand_vector_operations_1): Check type of
2425         use instead of type of def.
2426         * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
2427         function implementation.
2428         * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
2429         widen_ssumv8hi): New.
2430
2431         * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
2432         patterns.
2433
2434 2006-01-19  Richard Sandiford  <richard@codesourcery.com>
2435
2436         PR c/25805
2437         * c-decl.c (add_flexible_array_elts_to_size): New function.
2438         (finish_decl): Use it.
2439
2440 2006-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
2441
2442         * diagnostic.h: Include options.h.
2443         * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
2444         dependancies for diagnostic.h.
2445         * Makefile.in (DIAGNOSTIC_H): Add options.h.
2446
2447 2006-01-16  Daniel Berlin  <dberlin@dberlin.org>
2448
2449         * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
2450         (ssa_ro_call_cache_valid): Ditto.
2451         * tree-ssa-alias.c (sort_tags_by_id): New function.
2452         (init_transitive_clobber_worklist): Ditto.
2453         (add_to_worklist): Ditto.
2454         (mark_aliases_call_clobbered): Ditto.
2455         (compute_tag_properties): Ditto.
2456         (set_initial_properties): Ditto.
2457         (compute_call_clobbered): Ditto.
2458         (compute_may_aliases):  Call compute_call_clobbered and grouping.
2459         (compute_flow_sensitive_aliasing): Remove clobbering related code.
2460         (compute_flow_insensitive_aliasing): Grouping now happens in our
2461         caller.
2462         (setup_pointers_and_addressables): Remove clobbering related code.
2463         (add_may_alias): Ditto.
2464         (replace_may_alias): Ditto.
2465         (get_nmt_for): Ditto.
2466         (create_global_var):
2467         (is_escape_site): Return an escape_type enumeration.
2468         * tree-flow-inline.h (is_call_clobbered):  Global var does not
2469         imply call clobbered.
2470         (mark_call_clobbered): Take a reason for marking this. Remove
2471         marking of globalness, and cache invalidation.
2472         (clear_call_clobbered): Remove cache invalidation code.
2473         * tree-dfa.c (dump_variable): If details is on, dump the reason
2474         for escaping.
2475         * tree-outof-ssa.c (create_temp): Copy escape mask from original
2476         variable.
2477         * tree-flow.h (struct ptr_info_def): Add escape mask member.
2478         (struct var_ann_d): Ditto.
2479         (enum escape_type): New.
2480         (mark_call_clobbered): Adjust prototype.
2481         * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
2482         are never call clobbered.
2483         Record reasons for escaping.
2484         * tree-ssa-structalias.h (is_escape_site): Update prototype.
2485         * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
2486         (ssa_ro_call_cache_valid): Ditto.
2487         (clobbered_v_may_defs): Ditto.
2488         (clobbered_vuses): Ditto.
2489         (ro_call_vuses): Ditto.
2490         (clobber_stats): New.
2491         (init_ssa_operands): Zero out clobber stats.
2492         (fini_ssa_operands): Print out clobber stats.
2493         (get_call_expr_operands): Pass callee fndecl to
2494         add_call_read_ops).
2495         (add_call_clobber_ops): Remove use of cache.
2496         Add use of PURE_CONST information.
2497         (add_call_read_ops): Remove use of cache.
2498         Add use of static not_read information.
2499
2500 2006-01-18  Alexandre Oliva  <aoliva@redhat.com>
2501
2502         Introduce TLS descriptors for i386 and x86_64.
2503         * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
2504         (TARGET_ANY_GNU_TLS): New macro.
2505         (enum tls_dialect): Added TLS_DIALECT_GNU2.
2506         (struct machine_function): Add tls_descriptor_call_expanded_p.
2507         (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
2508         (ix86_current_function_calls_tls_descriptor): Likewise.
2509         * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
2510         (override_options): Introduce gnu2 tls dialect.
2511         (ix86_frame_pointer_required): Functions containing TLSCALLs are
2512         not leaves.
2513         (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
2514         Likewise.
2515         (legitimize_tls_address): Adjust logic for GNU2 TLS.
2516         (ix86_init_machine_status): Initialize new field.
2517         (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
2518         (ix86_tls_module_base): New.
2519         * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
2520         * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
2521         (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
2522         (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
2523         (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
2524         (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
2525         (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
2526         (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
2527         * config/i386/predicates.md (tls_modbase_operand): New.
2528         (tp_or_register_operand): New.
2529
2530 2006-01-18  Daniel Berlin  <dberlin@dberlin.org>
2531
2532         * ipa-reference.c (check_operand):  Allow FUNCTION_DECL.
2533         (look_for_address_of): Ditto.
2534         (ipa_init): Walk the function decls.
2535         (static_execute): Don't set readonly on FUNCTION_DECL's.
2536
2537 2006-01-18  Roger Sayle  <roger@eyesopen.com>
2538
2539         * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
2540         for shifts where the source and destination registers are different.
2541
2542 2006-01-18  Paul Brook  <paul@codesourcery.com>
2543
2544         Merge from csl-arm-branch.
2545         2005-03-14  Julian Brown  <julian@codesourcery.com>
2546         * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
2547         (aeabi_llsl): Likewise.
2548         (ashrdi3): Likewise.
2549         (aeabi_lasr): Likewise.
2550         (lshrdi3): Likewise.
2551         (aeabi_llsr): Likewise.
2552         2005-03-10  Julian Brown  <julian@codesourcery.com>
2553         * config.gcc: Disable shared libgcc for SymbianOS.
2554         * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
2555
2556 2006-01-18  DJ Delorie  <dj@redhat.com>
2557
2558         * c-pragma.c (handle_pragma_diagnostic): New.
2559         (init_pragma): Register it.
2560         * doc/extend.texi: Document it.
2561
2562         * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
2563         * diagnostic.h (diagnostic_classify_diagnostic): Declare.
2564         (diagnostic_context): Add classify_diagnostic[].
2565         * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
2566         as errors if they're overridden to DK_WARNING.
2567         (diagnostic_initialize): Initialize classify_diagnostic[].
2568         (diagnostic_set_kind_override): New.
2569         (diagnostic_report_diagnostic): Check for kind changes.
2570         * opts.c (common_handle_option): Take lang_mask.  Update callers.
2571         Handle OPT_Werror_.
2572         * common.opt (Werror=): New.
2573         * doc/invoke.texi: Document -Werror=*
2574
2575 2006-01-18  Jeff Law  <law@redhat.com>
2576
2577         * tree-vrp.c (test_for_singularity): Correct test for new
2578         min limit.  Use operand_equal_p rather than pointer equality
2579         for testing if new min/max values are equal.
2580
2581         * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
2582         using range information until after propagation and folding.
2583
2584 2006-01-18  Richard Henderson  <rth@redhat.com>
2585             Aldy Hernandez  <aldyh@redhat.com>
2586             Jakub Jelinek  <jakub@redhat.com>
2587             Diego Novillo  <dnovillo@redhat.com>
2588
2589         * omp-low.c: New file.
2590         * c-omp.c: New file.
2591
2592 2006-01-18  Richard Henderson  <rth@redhat.com>
2593             Jakub Jelinek  <jakub@redhat.com>
2594             Diego Novillo  <dnovillo@redhat.com>
2595
2596         * doc/invoke.texi: Document -fopenmp.
2597         * tree-dump.h (debug_function): Declare.
2598         * hooks.c (hook_bool_tree_bool_false): New function.
2599         (hook_tree_tree_null): Remove.
2600         (hook_tree_tree_tree_null): New.
2601         * hooks.h: Update to match.
2602         * tree-pretty-print.c (debug_tree_chain): New.
2603         (print_generic_expr): Handle TDF_CHAIN.
2604         (dump_generic_node): Handle BLOCK.
2605         Do not abort with incomplete SWITCH_EXPRs.
2606         Do not dump body of an OpenMP directive if TDF_SLIM is given.
2607         <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
2608         print space after directive name.
2609         <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
2610         Handle OMP_MASTER and OMP_ORDERED.
2611         Handle printing of OMP_BODY just in one place, goto
2612         dump_omp_body in the rest of OMP_* nodes that have
2613         OMP_BODY.
2614         Don't handle clause nodes here.  Update omp statements to
2615         use dump_omp_clauses.
2616         Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
2617         OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
2618         OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
2619         GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
2620         GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
2621         GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
2622         Adjust output for GOMP_PARALLEL.
2623         (dump_omp_clauses): New.
2624         (print_declaration): Dump DECL_VALUE_EXPR.
2625         (op_symbol_1): Split out of op_symbol.
2626         (dumping_stmts): Remove.  Update all users.
2627         * cgraph.c (cgraph_analyze_queue): New.
2628         (cgraph_add_new_function): New.
2629         * cgraph.h (cgraph_analyze_queue): Declare.
2630         (cgraph_add_new_function): Declare.
2631         (cgraph_lower_function): Remove.
2632         * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
2633         nodes.  Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
2634         and TYPE_P nodes in its default clause.
2635         (empty_body_p): New.
2636         (tree_range_check_failed): New.
2637         (build5_stat): New.
2638         * tree.h (OMP_CLAUSE_REDUCTION_INIT,
2639         OMP_CLAUSE_REDUCTION_MERGE,
2640         OMP_CLAUSE_REDUCTION_PLACEHOLDER,
2641         OMP_CLAUSE_PRIVATE_DEBUG,
2642         OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
2643         OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
2644         OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
2645         OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
2646         OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
2647         OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
2648         OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
2649         OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
2650         OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
2651         OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
2652         OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
2653         OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
2654         OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
2655         OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
2656         (TREE_RANGE_CHECK): New.
2657         (empty_body_p): Declare.
2658         (enum omp_clause_default_kind): New.
2659         (build_string_literal): Declare.
2660         (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
2661         (build5_stat, build5): Declare.
2662         * tree-pass.h (TDF_CHAIN): Define.
2663         * tree-pass.h (PROP_gimple_lomp): Define.
2664         (pass_lower_omp): Declare.
2665         * diagnostic.h (debug_tree_chain): Declare.
2666         * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
2667         mode_for_size.
2668         (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
2669         * builtins.c (build_string_literal): Make extern.
2670         * gcc.c (include_spec_function): New.
2671         (static_spec_functions): Add it.
2672         (main): Move load of libgomp.spec ...
2673         (LINK_COMMAND_SPEC): ... here.
2674         (link_gomp_spec): New.
2675         (static_specs): Include it.
2676         (LINK_COMMAND_SPEC): Add link_gomp.
2677         (GOMP_SELF_SPECS): New.
2678         (driver_self_specs): Include it.
2679         (switch_matches): Don't mark inline.
2680         (main): Load libgomp.spec.
2681         * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
2682         OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
2683         and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
2684         * tree-gimple.h (enum omp_parallel): Declare.
2685         (determine_parallel_type): Declare.
2686         (omp_firstprivatize_variable): Declare.
2687         (omp_reduction_init): Declare.
2688         (diagnose_omp_structured_block_errors): Declare.
2689         (struct walk_stmt_info): Add want_return_expr.
2690         (struct walk_stmt_info): Add want_bind_expr, want_locations.
2691         (find_omp_clause): Declare.
2692         (insert_field_into_struct): Declare.
2693         (struct walk_stmt_info): Move from tree-nested.c
2694         (walk_stmts): Declare.
2695         * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
2696         to 200505.
2697         * cgraphunit.c (cgraph_lower_function): Make static.
2698         (cgraph_finalize_pending_functions): New.
2699         (cgraph_finalize_function): Call it.
2700         (cgraph_finalize_compilation_unit): Likewise.
2701         * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
2702         BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
2703         (BT_FN_UINT_UINT): New.
2704         (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
2705         DEF_FUNCTION_TYPE_VAR_4): Document.
2706         (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
2707         BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
2708         BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
2709         BT_FN_VOID_OMPFN_PTR_UINT_UINT,
2710         BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
2711         BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
2712         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
2713         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
2714         * builtins.def: Update DEF_BUILTIN comment to include COND argument.
2715         Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
2716         into separate files.
2717         (DEF_GOMP_BUILTIN): New.
2718         (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
2719         BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
2720         BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
2721         BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
2722         BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
2723         BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
2724         BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
2725         BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
2726         BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
2727         BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
2728         BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
2729         BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
2730         BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
2731         BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
2732         BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
2733         BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
2734         BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
2735         BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
2736         BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
2737         BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
2738         BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
2739         BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
2740         BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
2741         BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
2742         BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
2743         BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
2744         * sync-builtins.def: New file, moved from builtins.def.
2745         * omp-builtins.def: New file, moved from builtins.def.
2746         * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
2747         * gimple-low.c (lower_function_body): Clear data.
2748         (lower_stmt): Do not handle COMPOUND_EXPR.
2749         Remove call to print_node_brief.
2750         * c-tree.h (c_finish_omp_clauses): New prototype.
2751         (C_DECL_THREADPRIVATE_P): Define.
2752         (lookup_name_no_remap, c_omp_remap_private): Remove
2753         (c_begin_omp_parallel, c_finish_omp_parallel): Update.
2754         (check_for_loop_decls): Update decl.
2755         (lookup_name_no_remap, c_omp_remap_private): Declare.
2756         (build_indirect_ref, build_modify_expr, pushdecl,
2757         pushdecl_top_level): Move to c-common.h.
2758         * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
2759         before the switch, but just in the 2 places that need it.
2760         * c-decl.c (diagnose_mismatched_decls): Do not check for
2761         mismatched thread-local attributes when OLDDECL is marked
2762         threadprivate and NEWDECL has no thread-local attributes.
2763         (merge_decls): Merge C_DECL_THREADPRIVATE_P.
2764         (c_gimple_diagnostics_recursively): Rename from
2765         c_warn_unused_result_recursively.  Invoke
2766         diagnose_omp_structured_block_errors.
2767         (check_for_loop_decls): Return a singular decl found.
2768         * langhooks.c (lhd_omp_predetermined_sharing): Return
2769         OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
2770         (lhd_omp_firstprivatize_type_sizes): New.
2771         (lhd_omp_assignment): New.
2772         (lhd_omp_predetermined_sharing): New.
2773         * langhooks.h (struct gimplify_omp_ctx): Forward declare.
2774         (struct lang_hooks_for_types): Add
2775         omp_firstprivatize_type_sizes, omp_privatize_by_reference,
2776         omp_predetermined_sharing, omp_disregard_value_expr,
2777         omp_private_debug_clause, omp_clause_default_ctor,
2778         omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
2779         (c_finish_omp_clauses): New.
2780         (c_finish_bc_stmt): Diagnose break within omp for.
2781         (c_begin_omp_parallel, c_finish_omp_parallel): New.
2782         (build_unary_op): Return error_mark after reporting
2783         a readonly_error.
2784         (build_modify_expr): Likewise.
2785         * gimplify.c: Include optabs.h and pointer-set.h.
2786         (enum gimplify_omp_var_data): Declare.
2787         (struct gimplify_omp_ctx): Declare.
2788         (struct gimplify_ctx): Add fields prev_context, combined_pre_p
2789         and combined_ctxp.
2790         (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
2791         (push_gimplify_context, pop_gimplify_context): Allow nesting.
2792         (splay_tree_compare_decl_uid): New.
2793         (new_omp_context): New.
2794         (delete_omp_context): New.
2795         (gimple_add_tmp_var): Call omp_add_variable.
2796         (gimplify_bind_expr): Likewise.
2797         (gimplify_var_or_parm_decl): If omp_notice_variable returned
2798         true, disregard DECL_VALUE_EXPR on the decl if any.
2799         (gimplify_expr_in_ctx): New.
2800         (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
2801         omp_add_variable, omp_notice_variable, omp_is_private
2802         gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
2803         gimplify_adjust_omp_clauses, gimplify_omp_parallel
2804         gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
2805         gimplify_omp_atomic_fetch_op, goa_stabilize_expr
2806         gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
2807         gimplify_omp_atomic): New.
2808         (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
2809         OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
2810         OMP_CRITICAL and OMP_ATOMIC.
2811         (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
2812         * c-pragma.h (enum pragma_kind): Add
2813         PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
2814         PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
2815         PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
2816         PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
2817         PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
2818         PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
2819         PRAGMA_OMP_THREADPRIVATE.
2820         * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
2821         OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
2822         OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
2823         OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
2824         OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
2825         OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
2826         OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
2827         OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
2828         OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
2829         * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
2830         * tree-ssa-dce.c (find_control_dependence): Do not assume that
2831         ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
2832         * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
2833         OpenMP directives.
2834         (struct nesting_info): Add field_map,
2835         suppress_expansion, debug_var_chain.
2836         (create_nesting_tree): Initialize them.
2837         (lookup_field_for_decl): Use field_map.
2838         (get_nonlocal_debug_decl, get_local_debug_decl): New.
2839         (convert_local_omp_clauses): New.
2840         (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
2841         (walk_body): Split out of walk_function.
2842         (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
2843         (convert_nonlocal_reference): Handle omp statements.
2844         (convert_local_reference): Likewise.
2845         (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
2846         (unnest_nesting_tree): New.
2847         (lower_nested_functions): Call it.
2848         (insert_field_into_struct): Make extern.
2849         (struct walk_stmt_info): Move to tree-gimple.h.
2850         (walk_stmts): Make extern.
2851         * omp-builtins.def: New file.
2852         * tree-iterator.c (expr_only): Clarify comment.
2853         * c-common.h (pushdecl_top_level, pushdecl,
2854         build_modify_expr, build_indirect_ref,
2855         c_finish_omp_master, c_finish_omp_critical,
2856         c_finish_omp_ordered, c_finish_omp_barrier,
2857         c_finish_omp_atomic, c_finish_omp_flush,
2858         c_finish_omp_for, c_split_parallel_clauses,
2859         omp_clause_default_kind, c_omp_sharing_predetermined,
2860         c_omp_remap_decl): Declare.
2861         * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
2862         (OBJS-common): Add omp-low.o.
2863         (c-omp.o, omp-low.o): Add.
2864         (gimplify.o): Add dependency on $(OPTABS_H).
2865         (GTFILES): Add omp-low.c.
2866         (gt-stringpool.h): Add.
2867         * tree-cfg.c (set_bb_for_stmt): Do not update the
2868         block-to-labels map if we are currently expanding to RTL.
2869         (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
2870         checks.
2871         Handle IDENTIFIER_NODE.
2872         (tree_verify_flow_info): Do not ICE when emitting error
2873         messages about invalid labels.
2874         (dump_function_to_file): Reset CFUN before emitting the body
2875         of the function.
2876         (debug_function): New.
2877         * passes.c (init_optimization_passes): Schedule
2878         pass_lower_omp.
2879         * langhooks-def.h (lhd_omp_predetermined_sharing,
2880         lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
2881         Declare.
2882         (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
2883         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
2884         (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
2885         LANG_HOOKS_OMP_PREDETERMINED_SHARING,
2886         LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
2887         LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
2888         LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
2889         LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
2890         LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
2891         LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
2892         (LANG_HOOK_DECLS): Use them.
2893
2894 2006-01-18  Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
2895             Richard Henderson  <rth@redhat.com>
2896             Jakub Jelinek  <jakub@redhat.com>
2897             Diego Novillo  <dnovillo@redhat.com>
2898
2899         * c-parser.c (pragma_omp_clause): Define.
2900         (c_parser_declaration_or_fndef): Document OpenMP syntax.
2901         (c_parser_compound_statement): Likewise.
2902         (c_parser_statement): Likewise.
2903         (c_parser_pragma): Handle omp pragmas.
2904         (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
2905         OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
2906         (c_parser_omp_clause_name, check_no_duplicate_clause,
2907         c_parser_omp_variable_list,
2908         c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
2909         c_parser_omp_clause_copyprivate,
2910         c_parser_omp_clause_default,
2911         c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
2912         c_parser_omp_clause_lastprivate,
2913         c_parser_omp_clause_nowait,
2914         c_parser_omp_clause_num_threads,
2915         c_parser_omp_clause_ordered, c_parser_omp_clause_private,
2916         c_parser_omp_clause_reduction,
2917         c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
2918         c_parser_omp_all_clauses, c_parser_omp_structured_block,
2919         c_parser_omp_atomic, c_parser_omp_barrier,
2920         c_parser_omp_critical, c_parser_omp_flush,
2921         c_parser_omp_for_loop, c_parser_omp_for,
2922         c_parser_omp_master, c_parser_omp_ordered,
2923         c_parser_omp_sections_scope, c_parser_omp_sections,
2924         c_parser_omp_parallel, c_parser_omp_single,
2925         c_parser_omp_construct, c_parser_omp_threadprivate): New.
2926         * c-pragma.c (init_pragma): Do omp pragma registration here.
2927         * c.opt (fopenmp): New flag.
2928
2929 2006-01-18  Eric Christopher  <echristo@apple.com>
2930
2931         * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
2932         * config/darwin.h (GOMP_SELF_SPECS): Define.
2933
2934 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
2935
2936         * rtl.h: Remove the prototype for reg_alloc.
2937
2938 2006-01-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2939
2940         PR target/25731
2941         * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
2942         hppa[12]*-*-hpux11*): Override default shared libgcc version for both
2943         sjlj and dwarf2 exception handling.
2944         * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
2945         Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
2946         * pa/pa.c (function_value): Treat complex and vector types as
2947         aggregates.
2948         (function_arg): Likewise.  Only pass scalar floats in the floating
2949         point argument registers.
2950         * pa/t-slibgcc-dwarf-ver: New file.
2951         * pa/t-slibgcc-sjlj-ver: New file.
2952         * pa/t-slibgcc-elf-ver: Delete file.
2953
2954 2006-01-19  Alan Modra  <amodra@bigpond.net.au>
2955
2956         * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
2957         unlikely_test_section_p test.
2958
2959 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
2960
2961         * mode-switching.c (optimize_mode_switching): Make it static.
2962         * basic-block.h: Remove the prototype for
2963         optimize_mode_switching.
2964
2965         * modulo-sched.c (sms_schedule): Make it static.
2966         * rtl.h: Remove the prototype for sms_schedule.
2967
2968         * postreload-gcse.c (gcse_after_reload_main): Make it static.
2969         * rtl.h: Remove the prototype for gcse_after_reload_main.
2970
2971         * reg-stack.c (reg_to_stack): Make it static.
2972         * rtl.h: Remove the prototype for reg_to_stack.
2973
2974         * regrename.c (regrename_optimize, copyprop_hardreg_forward):
2975         Make them static.
2976         * rtl.h: Remove the prototypes for regrename_optimize and
2977         copyprop_hardreg_forward.
2978
2979 2006-01-18  Eric Botcazou  <ebotcazou@adacore.com>
2980
2981         * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
2982         alpha_split_tmode_pair.  Add 'mode' and 'fixup_overlap' arguments.
2983         Test against the appropriate null constant for the mode.
2984         If 'fixup_overlap' is true, swap the operands if they overlap.
2985         (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
2986         * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
2987         alpha_split_tmode_pair and adjust for above change.
2988         * config/alpha/alpha.md (movtf_internal): Adjust call to
2989         alpha_split_tfmode_pair and rely on it to swap the operands.
2990         (movti_internal): New insn and post-reload splitter.
2991         (movti): New expander.
2992
2993 2006-01-18  Philippe De Muyter  <phdm@macqel.be>
2994
2995         * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
2996         operands.
2997
2998 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
2999
3000         * rtlanal.c (global_reg_mentioned_p_1,
3001         global_reg_mentioned_p): Remove.
3002         * rtl.h: Remove the prototype for global_reg_mentioned_p.
3003
3004         * flow.c (initialize_uninitialized_subregs): Make it static.
3005         * rtl.h: Remove the prototype for
3006         initialize_uninitialized_subregs.
3007
3008         * function.c (instantiate_virtual_regs): Make it static.
3009         * function.h: Remove the prototype for
3010         instantiate_virtual_regs.
3011
3012         * regmove.c (regmove_optimize, combine_stack_adjustments):
3013         Make them static.
3014         * rtl.h: Remove the prototypes for regmove_optimize and
3015         combine_stack_adjustments.
3016
3017 2006-01-17  Roger Sayle  <roger@eyesopen.com>
3018
3019         * config/i386/i386.c (COSTS_N_BYTES): New macro.
3020         (size_cost): Encode costs in bytes so that a reg-reg addition is
3021         equivalent to COSTS_N_INSNS(1).
3022         (override_options): Use the size_cost.branch_cost as the default
3023         ix86_branch_cost when optimizing for size.
3024
3025 2006-01-18  Ben Elliston  <bje@au.ibm.com>
3026
3027         * Makefile.in (D32PBIT_FUNCS): New.
3028         (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
3029         (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
3030         D64PBIT_FUNCS and D128PBIT_FUNCS.
3031         (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
3032         * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
3033         D128PBIT are set.
3034         (decnumber_dep): Define.
3035         * doc/libgcc.texi (Decimal float library routines): New node.
3036         * config/dfp-bit.h, config/dfp-bit.c: New files.
3037
3038 2006-01-18  Ben Elliston  <bje@au.ibm.com>
3039
3040         * expr.c (emit_move_change_mode): Always adjust addresses, not
3041         just during reload.  Copy replacements only during reload.
3042         (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
3043         emit_move_via_integer.
3044
3045 2006-01-17  Shantonu Sen  <ssen@opendarwin.org>
3046
3047         * Makefile.in (check-%, check-consistency): Use $${srcdir}
3048         instead of $(srcdir) and ${srcdir}.
3049
3050 2006-01-17  Richard Earnshaw  <rearnsha@arm.com>
3051
3052         PR target/592
3053         PR middle-end/11135
3054         * arm.h (struct machine_function): Add pic_reg.
3055         * arm.c (arm_pic_register): Make unsigned.
3056         (arm_override_options): Only set arm_pic_register if
3057         TARGET_SINGLE_PIC_BASE.
3058         (use_return_insn): Only test for a pic register if it is fixed.
3059         (arm_compute_save_reg0_reg12_mask): Likewise.
3060         (thumb_compute_save_reg_mask): Likewise.
3061         (legitimate_pic_operand): Factor out some known invariants.
3062         (legitimize_pic_address): If we don't have a fixed pic register,
3063         then set up a pseudo in the function entry sequence.  Handle the
3064         pic base being in a pseudo.
3065         (arm_load_pic_register): Handle the pic register being in a pseudo.
3066         (arm_expand_prologue): Only set up the pic register if it is fixed.
3067         (thumb_expand_prologue): Likewise.
3068         * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
3069         (pic_load_addr_based_insn): Likewise.
3070         (builtin_setjmp_receiver): Don't restore the pic base if it isn't
3071         fixed.
3072
3073 2006-01-18  Ben Elliston  <bje@au.ibm.com>
3074
3075         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
3076         decimal float modes for all floating point registers.
3077
3078         * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
3079         match_code "mem" with match_test "macho_lo_sum_memory_operand".
3080
3081 2006-01-17  Jakub Jelinek  <jakub@redhat.com>
3082
3083         PR c/25682
3084         * c-typeck.c (build_unary_op): Fold offsetof-like expressions
3085         even when the pointer is not NULL.
3086
3087 2006-01-16  Ian Lance Taylor  <ian@airs.com>
3088
3089         * common.opt (ftoplevel-reorder): New option.
3090         * cgraph.c (cgraph_asm_nodes): New global variable.
3091         (cgraph_asm_last_node): New static variable.
3092         (cgraph_order): New global variable.
3093         (cgraph_create_node): Set new order field.
3094         (cgraph_varpool_node): Likewise.
3095         (decide_is_variable_needed): Return true if not
3096         flag_toplevel_reorder.
3097         (cgraph_add_asm_node): New function.
3098         * cgraph.h (struct cgraph_node): Add order field.
3099         (struct cgraph_varpool_node): Add order field.
3100         (struct cgraph_asm_node): Define.
3101         (cgraph_asm_nodes, cgraph_order): Declare.
3102         (cgraph_add_asm_node): Declare.
3103         * cgraphunit.c (cgraph_varpool_assemble_decl): New static
3104         function.
3105         (cgraph_varpool_assemble_pending_decls): Call it.
3106         (cgraph_output_pending_asms): New static function.
3107         (cgraph_finalize_compilation_unit): Call it.
3108         (struct cgraph_order_sort): Define.
3109         (cgraph_output_in_order): New static function.
3110         (cgraph_optimize): Call cgraph_output_pending_asms.  Add code for
3111         !flag_toplevel_reorder case.
3112         * c-parser.c: Include "cgraph.h".
3113         (c_parser_asm_definition): Call cgraph_add_asm_node rather than
3114         assemble_asm.
3115         * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
3116         than -fno-unit-at-a-time.
3117         * doc/invoke.texi (Option Summary): Mention
3118         -fno-toplevel-reorder.
3119         (Optimize Options): Document -fno-toplevel-reorder.  Mention it in
3120         -funit-at-a-time documentation.
3121
3122 2006-01-17  Hans-Peter Nilsson  <hp@axis.com>
3123             Kazu Hirata  <kazu@codesourcery.com>
3124
3125         * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
3126
3127 2006-01-17  Kazu Hirata  <kazu@codesourcery.com>
3128
3129         * Makefile.in (FUNCTION_H): New.  Use it instead of
3130         function.h throughout the file.
3131         * function.h: Include tree.h.
3132
3133 2006-01-17  Ben Elliston  <bje@au.ibm.com>
3134
3135         * recog.c: Separate some functions with whitespace.
3136
3137 2006-01-16  Richard Henderson  <rth@redhat.com>
3138
3139         Merge from gomp branch:
3140         * Makefile.in (TREE_INLINE_H): New.  Use it as needed.
3141         * tree-inline.h (struct copy_body_data): Move from tree-inline.c
3142         and rename from struct inline_data.  Rename callee* to dst*;
3143         caller* to src*; add copy_decl hook, transform_call_graph_edges,
3144         transform_new_cfg, transform_return_to_modify, and
3145         transform_lang_insert_block flags; remove cloning_p, versioning_p,
3146         update_clones_p.
3147         (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
3148         (copy_decl_for_dup): Remove.
3149         * tree-inline.c (struct inline_data): Move to header.
3150         (insert_decl_map): Export.
3151         (remap_decl): Update for member name changes.  Use copy_decl hook.
3152         Allow for replacement to be a non-decl.  Remove dead code.
3153         (remap_type_1): Check for existing mapping.
3154         (remap_type): Export.
3155         (remap_decls): Update for member name changes.
3156         (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
3157         (copy_body, setup_one_parameter, declare_return_variable): Likewise.
3158         (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
3159         (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
3160         (tree_function_versioning, build_duplicate_type): Likewise.
3161         (copy_body_r): Likewise.  Export.
3162         (copy_decl_for_dup): Split into ...
3163         (copy_decl_for_dup_finish, copy_decl_to_var,
3164         copy_decl_no_change, copy_decl_maybe_to_var): ... these.
3165         (replace_ref_tree, inlining_p): Remove.
3166
3167 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
3168
3169         * ifcvt.c (if_convert): Make it static.
3170         * rtl.h: Remove the prototype for if_convert.
3171
3172         * local-alloc.c (local_alloc): Make it static.
3173         * rtl.h: Remove the prototype for local_alloc.
3174
3175         * loop.c (loop_optimize): Make it static.
3176         * cfgloop.h: Remove the prototype for loop_optimize.
3177         * rtl.h: Likewise.
3178
3179 2006-01-16  DJ Delorie  <dj@redhat.com>
3180
3181         * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
3182         mems.
3183
3184 2006-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3185
3186         * pa.md: Disparage copies between general and floating-point registers
3187         in 32-bit move patterns.
3188
3189 2006-01-16  H.J. Lu  <hongjiu.lu@intel.com>
3190
3191         PR testsuite/25741
3192         * Makefile.in (check-%): Depend on site.exp instead of
3193         $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
3194         directories.
3195
3196 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
3197
3198         * global.c (global_alloc): Make it static.
3199         * rtl.h: Remove the prototype for global_alloc.
3200
3201 2006-01-16  Richard Guenther  <rguenther@suse.de>
3202
3203         * tree-ssa-alias.c (struct used_part): Add write_only field.
3204         (get_or_create_used_part_for): Initialize it to true.
3205         (create_overlap_variables_for): Don't create structure variables
3206         for structures that only are written to.
3207         (find_used_portions): Handle MODIFY_EXPR to track whether a
3208         structure is only written to.
3209
3210 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
3211
3212         * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
3213         static.
3214         * basic-block.h: Remove the prototype for
3215         partition_hot_cold_basic_blocks.
3216
3217 2006-01-16  Rafael Ãƒvila de Espíndola <rafael.espindola@gmail.com>
3218
3219         * cppspec.c (lang_specific_spec_functions): Remove.
3220         * gcc.c (lookup_spec_function): Use static_spec_functions directly.
3221         * gcc.h (lang_specific_spec_functions): Remove.
3222         * gccspec.c (lang_specific_spec_functions): Remove.
3223
3224 2006-01-16  Paolo Bonzini  <bonzini@gnu.org>
3225
3226         * combine.c (record_value_for_reg): Invalidate registers
3227         if INSN is null.
3228         (record_dead_and_set_regs_1): Likewise, by passing them to
3229         record_value_for_reg.
3230         (record_dead_and_set_regs): Invalidate stores made by a
3231         call.  We do not combine across a call, but we still
3232         relied on equivalences.
3233
3234 2006-01-16  Eric Botcazou  <ebotcazou@adacore.com>
3235
3236         * tree-vrp.c (extract_range_from_binary_expr): Cope with
3237         vrp_int_const_binop returning non-constant nodes.
3238
3239 2006-01-16  Paul Brook  <paul@codesourcery.com>
3240
3241         * config/m68k/m68k.c (output_move_const_into_data_reg):
3242         Output correct mnemonic for mvz and mvs.
3243
3244 2006-01-16  Gabor Loki  <loki@gcc.gnu.org>
3245
3246         * rtl-factoring.c: Add sequence abstraction algorithm.
3247         * cfgcleanup.c (outgoing_edges_match): Extra checks.
3248         (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
3249         ABNORMAL edges.
3250         (block_has_preserve_label): New function.
3251         * common.opt: Register new pass.
3252         * Makefile.in: Ditto.
3253         * passes.c: Ditto.
3254         * timevar.def: Ditto.
3255         * tree-pass.h: Ditto.
3256         * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
3257         * rtl.h (make_jump_insn_raw): Add forward decl.
3258         * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
3259
3260 2006-01-16  Eric Botcazou  <ebotcazou@adacore.com>
3261             Roger Sayle  <roger@eyesopen.com>
3262
3263         * fold-const.c (fold_minmax): New static function.
3264         (fold_binary) <MIN_EXPR>: Call it.
3265         <MAX_EXPR>: Likewise.
3266         * stor-layout.c (place_field): Use DECL_SIZE consistently
3267         in the computation of the new record size.
3268
3269 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
3270
3271         * cse.c (cse_condition_code_reg): Make it static.
3272         * rtl.h: Remove the prototype for cse_condition_code_reg.
3273
3274         * combine.c (combine_instructions): Make it static.
3275         * rtl.h: Remove the prototype for combine_instructions.
3276
3277 2006-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3278
3279         PR target/25168
3280         * tree.c (get_file_function_name_long): Concatenate the first global
3281         object name with a string derived from the input filename of the object
3282         for type "F".
3283
3284 2006-01-16  Ben Elliston  <bje@au.ibm.com>
3285
3286         * config/i386/winnt-stubs.c: Update FSF address.
3287         * config/xtensa/ieee754-df.S: Ditto.
3288         * config/xtensa/ieee754-sf.S: Ditto.
3289
3290 2006-01-14  Ian Lance Taylor  <ian@airs.com>
3291
3292         * ifcvt.c (noce_init_if_info): New static function, broken out of
3293         noce_process_if_block.
3294         (noce_process_if_block): Call noce_init_if_info.
3295         (check_cond_move_block): New static function.
3296         (cond_move_process_if_block): New static function.
3297         (process_if_block): Call cond_move_process_if_block.
3298
3299 2006-01-15  Kazu Hirata  <kazu@codesourcery.com>
3300
3301         * cselib.c (hash_table): Rename to cselib_hash_table.
3302         (cselib_clear_table, discard_useless_values,
3303         remove_useless_values, cselib_lookup_mem, cselib_lookup,
3304         cselib_init, cselib_finish): Adjust uses of hash_table.
3305
3306 2006-01-14  Kazu Hirata  <kazu@codesourcery.com>
3307
3308         PR tree-optimization/25485
3309         * tree-vrp.c (extract_range_from_binary_expr): Handle cases
3310         where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
3311         is known to be false and true, respectively.
3312
3313 2006-01-14  Richard Guenther  <rguenther@suse.de>
3314
3315         PR tree-optimization/22548
3316         PR tree-optimization/22555
3317         PR tree-optimization/22501
3318         * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
3319         * params.def (salias-max-array-elements): New parameter.
3320         * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
3321         * doc/invoke.texi (salias-max-array-elements): Document.
3322         * tree-flow-inline.h (var_can_have_subvars): We also handle
3323         arrays now.
3324         * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
3325         COMPONENT_REF.
3326         * tree-ssa-structalias.c (params.h): Include.
3327         (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
3328         (find_func_aliases): Handle multiple constraints from ARRAY_REF.
3329         (get_constraint_for): For ADDR_EXPR operating on something
3330         containing an ARRAY_REF, add all subvars to the solution.
3331         (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
3332         * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
3333         for creating MUST_DEFs.
3334         (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
3335
3336 2006-01-14  Zdenek Dvorak <dvorakz@suse.cz>
3337
3338         * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
3339         functions.
3340         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
3341         assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
3342         number_of_iterations_le): New functions.
3343         (number_of_iterations_special): Removed.
3344         (number_of_iterations_exit): Do not use number_of_iterations_special.
3345         * tree.c (unsigned_type_for): Always return integer type.
3346
3347 2006-01-14  Steven Bosscher  <stevenb.gcc@gmail.com>
3348         Richard Guenther  <rguenther@suse.de>
3349
3350         PR rtl-optimization/24257
3351         * gcse.c (find_moveable_store): Only consider a store movable
3352         when the SET_SRC of the insn can be assigned to a register.
3353
3354 2006-01-14  Ian Lance Taylor  <ian@airs.com>
3355
3356         * tree.c (tree_not_class_check_failed): New function.
3357         * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
3358         (tree_not_class_check_failed): Declare.
3359
3360 2006-01-13  Ian Lance Taylor  <ian@airs.com>
3361
3362         * reload1.c (do_output_reload): Add assertion rejecting a
3363         CALL_INSN.
3364
3365 2006-01-13  Adam Nemet  <anemet@caviumnetworks.com>
3366
3367         * combine.c (struct reg_stat): Add new fields truncation_label and
3368         truncated_to_mode.
3369         (record_value_for_reg): Reset truncated_to_mode.
3370         (record_truncated_value): New function.
3371         (check_promoted_subreg): Call it.  Rename to check_conversions.
3372         (combine_instructions): Rename check_promoted_subreg to
3373         check_conversions.
3374         (reg_truncated_to_mode): New function.
3375         (make_extraction): Use it.  Check TRULY_NOOP_TRUNCATION.
3376         (gen_lowpart_or_truncate): New function.
3377         (force_to_mode): Use it instead of gen_lowpart.
3378
3379 2006-01-13  Diego Novillo  <dnovillo@redhat.com>
3380
3381         * tree-ssa-alias.c (add_type_alias): Fix typo.  Test whether
3382         VAR is a tag, not its type tag.
3383
3384 2006-01-13  Alexandre Oliva  <aoliva@redhat.com>
3385
3386         * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
3387         alternatives to match style of other entries.
3388         (*vec_extractv2di_1_sse): Likewise.  Fix mode attr.
3389
3390 2006-01-13  Daniel Berlin  <dberlin@dberlin.org>
3391
3392         PR tree-optimization/25771
3393         * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
3394         SSA_NAMES.
3395
3396 2006-01-13  Andrew Pinski  <pinskia@physics.uc.edu>
3397
3398         PR tree-opt/24365
3399         * tree-inline.c (declare_return_variable): If the return variable
3400         was marked as a non gimple complex, set the return slot variable
3401         to be a non gimple comple variable.
3402
3403 2006-01-13  Richard Guenther  <rguenther@suse.de>
3404
3405         * builtins.c (expand_builtin_sincos): New function.
3406         (expand_builtin_mathfn_3): Remove dead code, sin and cos
3407         do not set errno.
3408         (expand_builtin): Expand sincos using expand_builtin_sincos.
3409
3410 2006-01-12  DJ Delorie  <dj@redhat.com>
3411
3412         * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
3413         shift counts, separate SI shifts for m32c vs m16c, pass shift type
3414         so that constant shifts can be split.
3415         * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
3416         (m32c_valid_pointer_mode): Make static.
3417         (shift_gen_func_for): New.
3418         (m32c_prepare_shift): Use it.  Split large const shifts into
3419         multiple shifts.
3420         * config/m32c/predicates.md (shiftcount_operand): Allow more
3421         general operands.
3422         (longshiftcount_operand): New.
3423         * doc/md.texi (Machine Constraints): Document In6.
3424
3425 2006-01-13  Ben Elliston  <bje@au.ibm.com>
3426
3427         * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
3428         REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
3429         documentation.
3430
3431 2006-01-12  Daniel Berlin  <dberlin@dberlin.org>
3432
3433         * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
3434         to try to avoid clobbering pieces of structures when we know
3435         something about the whole structure.
3436         * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
3437
3438 2006-01-13  Ben Elliston  <bje@au.ibm.com>
3439
3440         * doc/rtl.texi (Insns): Remove statement that libcalls cannot
3441         return in memory, as this is no limitation is no longer present.
3442
3443 2006-01-12  DJ Delorie  <dj@redhat.com>
3444
3445         * config/m32c/addsub.md (addhi3): Add two more alternatives, for
3446         mova with fb, and for fb+0 -> An.
3447
3448         * config/m32c/mov.md (peephole2): Fix enabling logic.
3449
3450         * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
3451         DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
3452         DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
3453         FINI_ARRAY_SECTION_ASM_OP): Define.
3454
3455         * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
3456         variable.
3457         (m32c_legitimize_reload_address): New logic to reload FB to An.
3458         (m32c_output_reg_push): Add newline.
3459         (m32c_output_reg_pop): Likewise.
3460
3461 2006-01-12  Ulrich Weigand  <uweigand@de.ibm.com>
3462
3463         * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
3464
3465 2006-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
3466
3467         * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
3468
3469 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
3470
3471         * config/sh/predicates.md (sh_rep_vec): Add parallel to
3472         match_code.
3473
3474 2006-01-11  Ben Elliston  <bje@au.ibm.com>
3475
3476         * rtlanal.c (find_reg_note): Assert insn is not null.
3477
3478 2006-01-11  Kenneth Zadeck <zadeck@naturalbridge.com>
3479
3480         * df-scan.c (df_hard_reg_init): Move declaration of i outside
3481         ifdef.
3482
3483 2006-01-11  Jeff Law  <law@redhat.com>
3484
3485         * tree-ssa-threadupdate.c (threaded_edges): New VEC to
3486         hold edge pairs.
3487         (mark_threaded_blocks, register_jump_thread): New functions.
3488         (thread_through_all_blocks): Remove unwanted argument.  No
3489         longer rely on e->aux to communicate thread target info.
3490         Call mark_threaded_blocks.  Release the threaded_blocks
3491         bitmap and threaded_edges vector when complete.
3492         * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
3493         (threaded_blocks): Remove.
3494         (tree_ssa_dominator_optimize): Remove initialization and
3495         finalization of threaded_blocks.  Simplify call to
3496         thread_through_all_blocks.
3497         (thread_across_edge): Call register_jump_thread rather than
3498         storing thread information into e->aux.
3499         (free_all_edge_infos): Simplify now that e->aux is no longer
3500         used to communicate with thread_through_all_blocks.
3501         * tree-flow.h (thread_through_all_blocks): Update prototype.
3502         (register_jump_thread): Prototype.
3503
3504 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
3505
3506         * df-core.c (df_compact_blocks, df_bb_replace): Use
3507         SET_BASIC_BLOCK instead of BASIC_BLOCK.
3508
3509 2006-01-11  Richard Guenther  <rguenther@suse.de>
3510
3511         PR tree-optimization/25734
3512         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
3513         stop propagation after successful propagation to the LHS.
3514
3515 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
3516
3517         * basic-block.h (control_flow_graph): Change the type of
3518         x_basic_block_info to VEC(basic_block,gc) *.
3519         (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
3520         basic_block_info.
3521         (SET_BASIC_BLOCK): New.
3522         * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
3523         instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
3524         * cfgbuild.c (find_basic_blocks): Likewise.
3525         * cfglayout.c (fixup_reorder_chain): Likewise.
3526         * cfgrtl.c (create_basic_block_structure,
3527         rtl_create_basic_block): Likewise.
3528         * ifcvt.c (find_if_case_1): Likewise.
3529         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
3530         Likewise.
3531
3532 2006-01-11  Kenneth Zadeck <zadeck@naturalbridge.com>
3533
3534         * Makefile.in: Removed rotted odf.c entry.
3535
3536 2006-01-11  Hans-Peter Nilsson  <hp@axis.com>
3537
3538         PR target/25706
3539         * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
3540         ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
3541         ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
3542         output pattern modifier, not %e.
3543         * config/cris/cris.c (cris_op_str): Update comment about pattern
3544         modifier.
3545         (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
3546         before falling through into...
3547         <case 'E'>: Redefined from old 'e' case.
3548
3549 2006-01-11  Jan Hubicka  <jh@suse.cz>
3550
3551         PR target/25042
3552         * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
3553
3554 2006-01-11  Jan Hubicka  <jh@suse.cz>
3555
3556         * i386.h (TARGET_DECOMPOSE_LEA): Kill.
3557         * i386.c (x86_decompose_lea): Kill.
3558         (ix86_rtx_costs): Kill.
3559
3560 2006-01-11  Jan Hubicka  <jh@suse.cz>
3561
3562         * cgraph.c (cgraph_insert_node_to_hashtable): New function.
3563         * cgraph.h (cgraph_node): Add inline_decl.
3564         (cgraph_insert_node_to_hashtable): Declare.
3565         (save_inline_function_body): Declare.
3566         * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
3567         clones.
3568         (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
3569         (cgraph_function_versioning): Update call of tree_function_versioning.
3570         (save_inline_function_body): New function.
3571         * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
3572         saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
3573         * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
3574         (cgraph_default_inline_p): Likewise.
3575         (cgraph_decide_inlining_incrementally): Likewise.
3576         * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
3577         (copy_bb): Kill saving; do updating of clones.
3578         (copy_cfg_body): Kill saving.
3579         (initialize_inlined-parameters): Likewise.
3580         (expand_call_inline): Likewise.
3581         (save_body): Kill.
3582         (tree_function_versioning): New parameter "update_clones".
3583         (inlining_p): Kill saving.
3584         * tree-inline.h (tree_function_versioning): Update prototype.
3585         * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
3586         saving.
3587
3588 2006-01-11  Ian Lance Taylor <ian@airs.com>
3589
3590         * combine.c (struct undo): Remove is_int.  Enumify types of undos.
3591         Allow undoing set of machine mode.
3592         (do_SUBST): Use enums instead of is_int.
3593         (do_SUBST_MODE): New function.
3594         (SUBST_MODE): New macro.
3595         (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
3596         reg and trying to replace reg_regno_rtx with a new register.
3597         (undo_all): Use new enums, handle undoing a PUT_MODE change.
3598         (simplify_set): Use SUBST_MODE.
3599         (distribute_notes): Remove code that tried to update reg notes
3600         for regno_reg_rtx changes.
3601
3602 2006-01-11  Paolo Bonzini  <bonzini@gnu.org>
3603
3604         PR tree-optimization/23109
3605         PR tree-optimization/23948
3606         PR tree-optimization/24123
3607
3608         * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
3609         * tree-cfg.c (single_noncomplex_succ): New.
3610         * tree-flow.h (single_noncomplex_succ): Declare it.
3611         * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
3612         * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
3613         (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
3614         insert_bb, register_division_in, insert_reciprocals,
3615         replace_reciprocal, free_bb): New.
3616         (execute_cse_reciprocals_1): Rewritten.
3617         (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
3618         Do not commit any edge insertion.  Always compute dominators and
3619         create the allocation pool.
3620         * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
3621         * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
3622         * targhooks.c (default_min_divistions_for_recip_mul): New.
3623         * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
3624         * passes.c (init_optimization_passes): Run recip after tree loop
3625         optimizations.
3626         * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
3627
3628 2006-01-11  Danny Berlin <dberlin@dberlin.org>
3629             Kenneth Zadeck <zadeck@naturalbridge.com>
3630
3631         * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
3632         DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
3633         DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
3634         DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
3635         DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
3636         DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
3637         DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
3638         DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
3639         DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
3640         DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
3641         DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
3642         DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
3643         DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
3644         DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
3645         DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
3646         DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
3647         DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
3648         DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
3649         DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
3650         DF_SCAN_POST_ALLOC): New macros.
3651         (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
3652         df_free_bb_function, df_local_compute_function, df_init_function,
3653         df_dataflow_function, df_confluence_function_0,
3654         df_confluence_function_n, df_transfer_function,
3655         df_finalizer_function, df_free_function, df_dump_problem_function,
3656         df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
3657         df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
3658         df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
3659         df_urec_bb_info, ) New types.
3660         (df_invalidated_by_call, df_all_hard_regs, df_state) New public
3661         variables.
3662         (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
3663         df_analyze_simple_change_some_blocks,
3664         df_analyze_simple_change_one_block, df_compact_blocks,
3665         df_bb_replace, df_bb_regno_last_use_find,
3666         df_bb_regno_first_def_find, df_bb_regno_last_def_find,
3667         df_insn_regno_def_p, df_find_def, df_find_use,
3668         df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
3669         df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
3670         df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
3671         debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
3672         debug_df_chain, df_get_dependent_problem, df_chain_create,
3673         df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
3674         df_grow_bb_info, df_chain_dump, df_print_bb_index,
3675         df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
3676         df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
3677         df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
3678         df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
3679         df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
3680         df_rescan_blocks, df_ref_create, df_get_artificial_defs,
3681         df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
3682         df_ref_remove, df_insn_refs_delete, df_refs_delete,
3683         df_reorganize_refs, df_set_state, df_hard_reg_init,
3684         df_read_modify_subreg_p) New public functions.
3685         * df-core.c: The core dataflow solver and glue routines for rtl
3686         dataflow.
3687         (df_init, df_add_problem, df_set_blocks, df_finish,
3688         df_hybrid_search_forward, df_hybrid_search_backward,
3689         df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
3690         df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
3691         df_bb_regno_last_use_find, df_bb_regno_first_def_find,
3692         df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
3693         df_reg_defined, df_find_use, df_reg_used, df_dump,
3694         df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
3695         df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
3696         debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
3697         debug_df_useno, reset_df_after_reload): New functions.
3698         * df-scan.c: The scanning fuctions, once in df.c, completely
3699         rewritten so that they now fully model the functionality of
3700         register usage at the backend.
3701         (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
3702         df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
3703         df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
3704         df_grow_insn_info, df_rescan_blocks, df_ref_create,
3705         df_get_artificial_defs, df_get_artificial_uses,
3706         df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
3707         df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
3708         df_refs_delete, df_reorganize_refs, df_set_state,
3709         df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
3710         df_def_record_1, df_defs_record, df_uses_record,
3711         df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
3712         df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
3713         df_record_exit_block_uses, df_hard_reg_init): New functions.
3714
3715         * df-problems.c: Seven concrete dataflow problems that use the
3716         scanning in df-scan.c and are solved by the engine in df-core.c.
3717         (df_get_dependent_problem, df_chain_create, df_chain_unlink,
3718         df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
3719         df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
3720         df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
3721         df_ru_free_bb_info, df_ru_alloc,
3722         df_ru_bb_local_compute_process_def,
3723         df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
3724         df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
3725         df_ru_transfer_function, df_ru_free, df_ru_dump,
3726         df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
3727         df_rd_free_bb_info, df_rd_alloc,
3728         df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
3729         df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
3730         df_rd_transfer_function, df_rd_free, df_rd_dump,
3731         df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
3732         df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
3733         df_lr_local_compute, df_lr_init, df_lr_confluence_0,
3734         df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
3735         df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
3736         df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
3737         df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
3738         df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
3739         df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
3740         df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
3741         df_urec_mark_reg_change, df_urec_check_earlyclobber,
3742         df_urec_mark_reg_use_for_earlyclobber,
3743         df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
3744         df_urec_local_compute, df_urec_init, df_urec_local_finalize,
3745         df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
3746         df_urec_dump, df_urec_add_problem, df_chain_alloc,
3747         df_chain_create_bb_process_use, df_chain_create_bb,
3748         df_chain_finalize, df_chain_free, df_chains_dump,
3749         df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
3750         df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
3751         df_reg_lifetime): New functions.
3752         * df.c: Deleted file.
3753         * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
3754         consistent with new df api.
3755         * modulo-sched.c (sms_schedule, rest_of_handle_sms,
3756         rest_of_handle_sms): Ditto.
3757         * web.c (unionfind_union, union_defs, entry_register, web_main):
3758         Ditto.
3759         * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
3760         invariant_expr_equal_p, find_defs, check_dependencies,
3761         find_invariant_insn, find_invariants_to_move, move_invariant_reg,
3762         free_inv_motion_data, move_loop_invariants): Ditto.
3763         * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
3764         Update dependencies.
3765         (odf.c): Added defective entry that was deleted later in day.
3766         * sched-deps.c (sched_analyze_1): Ditto.
3767
3768 2006-01-11  Zdenek Dvorak <dvorakz@suse.cz>
3769
3770         * tree-ssa-operands.c (get_expr_operands): Record addressable
3771         variables directly.  Do not call add_stmt_operands for CONST_DECLs
3772         and ARRAY_DECLs.
3773         (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
3774         (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
3775
3776 2006-01-11  Ben Elliston  <bje@au.ibm.com>
3777
3778         * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
3779         function returns true in the positive case.
3780
3781 2006-01-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3782
3783         PR target/20754
3784         * config/pa/pa.md: Create separate 32 and 64-bit move patterns
3785         for SI, DI, SF and DF modes.  Add alternatives to copy between
3786         general and floating point registers to the 32-bit patterns.
3787         * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
3788         * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
3789         (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
3790         generating 64-bit code.
3791         * config/pa/pa.c (output_move_double): Handle copies between general
3792         and floating registers.
3793
3794 2006-01-10  Stuart Hastings  <stuart@apple.com>
3795
3796         * config/i386/i386.md (set_got): Update.
3797         (set_got_labelled): New.  (UNSPEC_LD_MPIC): New.
3798         (builtin_setjmp_receiver): Mach-O support.
3799         * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
3800         (GOT_SYMBOL_NAME): Define.
3801         (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
3802         (TARGET_DEEP_BRANCH_PREDICTION): Remove.
3803         * config/i386/i386.c (override_options): Revise for Darwin.
3804         (USE_HIDDEN_LINKONCE): Enable for Mach-O.  (ix86_file_end): Mach-O
3805         support.  (darwin_x86_file_end): New.  (output_set_got): Add label
3806         parameter, revise for Mach-O.  (x86_output_mi_thunk): Likewise.
3807         * config/i386/i386-protos.h (output_set_got): Likewise.
3808         * config/darwin.c (machopic_legitimize_pic_address): Update
3809         regs_ever_live[].
3810
3811 2006-01-10  Kaz Kojima  <kkojima@gcc.gnu.org>
3812
3813         * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
3814         when MODE isn't BLKmode.
3815
3816 2006-01-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
3817
3818         PR rtl-optimization/25367
3819         * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
3820
3821 2006-01-10  Hans-Peter Nilsson  <hp@axis.com>
3822
3823         PR target/25718
3824         * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
3825         for a negative bound.
3826
3827 2006-01-10  Richard Guenther  <rguenther@suse.de>
3828
3829         * tree-ssa-structalias.c (get_constraint_for_component_ref):
3830         Never override with anything constraint.
3831
3832 2006-01-10  Jan Beulich  <jbeulich@novell.com>
3833
3834         * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
3835         256 bits when optimize_size.
3836
3837 2006-01-10  Jan Beulich  <jbeulich@novell.com>
3838
3839         * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
3840         MASK_ALIGN_DOUBLE.
3841         * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
3842         * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
3843         arguments.
3844
3845 2006-01-10  Ben Elliston  <bje@au.ibm.com>
3846
3847         * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
3848         float modes.
3849         * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
3850         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
3851         (USE_FP_FOR_ARG): Reject decimal float modes.
3852         (function_arg_advance): Likewise.
3853         (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
3854         (rs6000_handle_altivec_attribute): Do not permit decimal floating
3855         point types in AltiVec vectors.
3856         (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
3857         (rs6000_libcall_value): Likewise.
3858
3859 2006-01-09  Bob Wilson  <bob.wilson@acm.org>
3860
3861         * config/xtensa/ieee754-df.S: New file.
3862         * config/xtensa/ieee754-sf.S: New file.
3863         * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
3864         (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
3865         * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
3866
3867 2006-01-09  Kazu Hirata  <kazu@codesourcery.com>
3868
3869         * config/sh/predicates.md (binary_float_operator,
3870         binary_logical_operator, commutative_float_operator,
3871         equality_comparison_operator, greater_comparison_operator,
3872         less_comparison_operator, logical_operator,
3873         noncommutative_float_operator, shift_operator,
3874         symbol_ref_operand, unary_float_operator): Remove redundant
3875         conditionals.
3876
3877 2006-01-09  Jeff Law  <law@redhat.com>
3878
3879         * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
3880         code to propagate the RHS of a cast into COND_EXPR_COND.  Remove
3881         now unused arguments.  Callers updated.
3882         (eliminate_redundant_computations): Remove now unused arguments,
3883         callers updated.
3884         (local_fold): Remove, no longer used.
3885         (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
3886         and moved to...
3887         * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
3888         (simplify_cond): New function.
3889         (forward_propagate_into_cond): Call simplify_cond.
3890
3891 2006-01-09  Alexandre Oliva  <aoliva@redhat.com>
3892
3893         * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
3894         (*vec_extractv2di_1_sse): New.
3895
3896 2006-01-09  Ben Elliston  <bje@au.ibm.com>
3897
3898         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
3899
3900 2006-01-08  Richard Guenther  <rguenther@suse.de>
3901
3902         * tree-ssa-structalias.c (get_constraint_for): Remove
3903         anyoffset argument.
3904         (get_constraint_for_component_ref): Likewise.
3905         (do_deref): Likewise.
3906         (get_constraint_for): Likewise.
3907         (do_structure_copy): Likewise.
3908         (handle_ptr_arith): Likewise.
3909         (find_func_aliases): Likewise.  Remove unused need_anyoffset
3910         variable.
3911
3912 2006-01-08  J"orn Rennecke  <joern.rennecke@st.com>
3913             Kaz Kojima  <kkojima@gcc.gnu.org>
3914
3915         * config/sh/sh.h (CONST_OK_FOR_K16): Define.
3916         (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
3917         (EXTRA_CONSTRAINT_C16): Remove.
3918         (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
3919         (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
3920         EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
3921         * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
3922         constants of SHmedia.  Handle nested constant expressions of
3923         SHmedia correctly.
3924         (andcosts): Fix the costs for SHmedia constants.
3925         (sh_rtx_costs): Take account of outer_code for SHmedia constants.
3926         * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
3927         (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
3928         (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
3929         (movv4hi_i, movv2si_i): Likewise.
3930         (movsi_const): Adjust the second operand of ior so to match with
3931         the Csu constraint.
3932         (movdi_const, movdi_const_32bit): Likewise.
3933         (movdi_const_16bit+1): Don't sign-extend LOW.
3934         (movdi_const_16bit+2): Likewise.  Remove the zero_extend and truncate
3935         step.
3936         (*double_shori): Fix the split condition.  Use GEN_INT instead
3937         of get_int_mode calls.  Mask lower 16-bit of the argument of
3938         the last GEN_INT.
3939         (sym2GOTPLT): Remove.
3940         (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
3941         gen_rtx_UNSPEC.
3942         * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
3943         instead of EXTRA_CONSTRAINT_C16.
3944
3945 2006-01-07  Ian Lance Taylor  <ian@airs.com>
3946             David Edelsohn  <edelsohn@gnu.org>
3947
3948         PR rtl-optimization/25662
3949         * optabs.c (simplify_expand_binop): Use simplify_binary_operation
3950         for constant operands instead of simplify_gen_binary.
3951         * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
3952         after trying simplify_binary_operation
3953
3954 2006-01-06  Daniel Berlin  <dberlin@dberlin.org>
3955
3956         * tree.c (iterative_hash_expr): Hash decls based on UID.
3957
3958 2006-01-06  Eric Christopher  <echristo@apple.com>
3959
3960         * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
3961         (TARGET_UNWIND_EMIT): Fix spelling.
3962         * target.h (gcc_target): Add except_table_label.
3963         * except.c (output_function_exception_table): Use.
3964         * varasm.c (default_emit_except_table_label): New.
3965         * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
3966         define.
3967         (asm_out): Add here.
3968         * output.h (default_emit_except_table_label): Prototype.
3969         * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
3970         * config/darwin.c (darwin_emit_except_table_label): Define.
3971         * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
3972
3973 2006-01-06  Zdenek Dvorak <dvorakz@suse.cz>
3974
3975         PR tree-optimization/18527
3976         * tree-ssa-loop-niter.c (number_of_iterations_cond,
3977         number_of_iterations_special, number_of_iterations_exit):
3978         Move base and step of an iv to a single structure.  Add
3979         no_overflow flag, and use it in # of iterations analysis.
3980         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
3981         folded_casts argument.
3982         (simple_iv): Pass base and step in a structure.  Set no_overflow
3983         flag.
3984         (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
3985         Evaluate expensiveness of computing # of iterations instead of
3986         the final expression.
3987         * tree-scalar-evolution.h (affine_iv): New structure.
3988         (simple_iv): Declaration changed.
3989         * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
3990         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
3991         find_givs_in_stmt): Changed due to simple_iv change.
3992
3993 2006-01-06  Jeff Law  <law@redhat.com>
3994
3995         PR ada/24994
3996         * tree-cfg.c (bsi_replace): Rename final argument from
3997         PRESERVE_EH_INFO to UPDATE_EH_INFO.  Fix typo in last
3998         change (stmt -> orig_stmt).
3999         * tree-eh.c (verify_eh_throw_stmt_node): New function.
4000         (bsi_remove): Add new argument.  Remove EH information
4001         if requested.
4002         (verify_eh_throw_table_statements): New function.
4003         (bsi_remove): Add new argument REMOVE_EH_INFO.  All callers
4004         updated.
4005         * tree-optimize.c (execute_free_cfg_annotations): Verify
4006         the EH throw statement table after removing annotations.
4007         * except.h (verify_eh_throw_table_statements): Prototype.
4008         * tree-flow.h (bsi_remove): Update prototype.
4009         * tree-vrp.c (remove_range_assertions): Add new argument to
4010         bsi_remove call.
4011         * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
4012         * tree-complex.c (expand_complex_div_wide): Likewise.
4013         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
4014         * tree-tailcall.c (eliminate_tailcall): Likewise.
4015         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
4016         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
4017         * tree-nrv.c (tree_nrv): Likewise.
4018         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
4019         * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
4020         (combine_blocks): Likewise.
4021         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
4022         * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
4023         (cleanup_control_flow): Likewise.
4024         (remove_forwarder_block): Likewise.
4025         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
4026         * tree-sra.c (sra_replace): Likewise.
4027         * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
4028         (forward_propagate_single_use_vars): Likewise.
4029         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
4030         * tree-inline.c (expand_call_inline): Likewise.
4031         * tree-vect-transform.c (vect_transform_loop): Likewise.
4032         * tree-outof-ssa.c (rewrite_trees): Likewise.
4033         * tree-cfg.c (make_goto_expr_edges): Likewise.
4034         (cleanup_dead_labels): Likewise.
4035         (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
4036         (bsi_move_before, bsi_move_after): Likewise.
4037         (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
4038         (tree_redirect_edge_and_branch, tree_split_block): Likewise.
4039
4040 2006-01-06  Andrew Pinski  <pinskia@physics.uc.edu>
4041
4042         PR tree-opt/25528
4043         * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
4044         and IMAGPART_EXPR.
4045         * tree-flow-inline.h (var_can_have_subvars): Handle complex types
4046         on non gimple variables.  Also add checks at the top for decls and
4047         mtags.
4048         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
4049         complex types.
4050         * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
4051         and IMAGPART_EXPR for creating MUST_DEFs.
4052         (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
4053         and NAME_MEMORY_TAG separately from the DECLs.
4054
4055 2006-01-06  Richard Guenther  <rguenther@suse.de>
4056
4057         * tree-dfa.c (mark_new_vars_to_rename): Create stmt
4058         annotation, if necessary.
4059         * tree-ssa-pre.c (create_expression_by_pieces): Remove
4060         redundant calls to update_stmt.
4061         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
4062         Likewise.
4063
4064 2006-01-05  Richard Henderson  <rth@redhat.com>
4065
4066         * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
4067
4068 2006-01-05  Carlos O'Donell  <carlos@codesourcery.com>
4069
4070         * c-typeck.c: Update copyright date.
4071
4072 2006-01-05  Carlos O'Donell  <carlos@codesourcery.com>
4073
4074         * c-typeck.c (build_c_cast): Always warn when casting
4075         from a pointer to an integer of different size, even if
4076         the node was constant.
4077
4078 2006-01-05  Richard Guenther  <rguenther@suse.de>
4079
4080         PR tree-optimization/22555
4081         * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
4082         if one structure field is an array.
4083         * tree-ssa-operands.c (get_expr_operands): Continue scanning
4084         operands even if we found a subvar, but ignore VOPs in this
4085         case.
4086         * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
4087         for renaming.
4088         * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
4089
4090 2006-01-05  Richard Earnshaw  <rearnsha@arm.com>
4091
4092         PR middle-end/24998
4093         * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
4094
4095 2006-01-05  Richard Guenther  <rguenther@suse.de>
4096             Diego Novillo  <dnovillo@redhat.com>
4097
4098         * tree-pass.h (TODO_remove_unused_locals): Define.
4099         * gimple-low.c (expand_var_p, remove_useless_vars,
4100         pass_remove_useless_vars): Remove.  Update all users.
4101         * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
4102         (remove_unused_locals): New function.
4103         * tree-flow.h (remove_unused_locals): Declare.
4104         * passes.c (execute_todo): Call remove_unused_locals if
4105         TODO_remove_unused_locals is set.
4106         * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
4107         * tree-ssa-dce.c (pass_dce): Likewise.
4108         * tree-outof-ssa.c (pass_del_ssa): Likewise.
4109
4110 2006-01-05  Richard Guenther  <rguenther@suse.de>
4111
4112         * tree-flow.h (struct fieldoff): Decompose field to
4113         type, size and decl.
4114         * tree-ssa-alias.c (create_sft): Take type as parameter.
4115         (create_overlap_variables_for): Store type, size and decl
4116         in the fieldoff structure.
4117         * tree-ssa-structalias.c (fieldoff_compare): Adjust users
4118         of struct fieldoff.
4119         (push_fields_onto_fieldstack): Likewise.
4120         (create_variable_info_for): Likewise.  Use offset for the
4121         SFT name if the decl is not available.
4122
4123 2006-01-04  Paul Brook  <paul@codesourcery.com>
4124
4125         * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
4126
4127 2006-01-04  Daniel Berlin  <dberlin@dberlin.org>
4128
4129         * lambda-code.c (can_put_in_inner_loop): Relax
4130         restrictions.
4131         (can_put_after_inner_loop): New function.
4132         (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
4133         (perfect_nestify): Change to make copies and modify uses.
4134
4135 2006-01-04  Richard Henderson  <rth@redhat.com>
4136
4137         Merge from gomp branch:
4138         * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
4139         via integer constant.
4140         (pragma_lex): Remove.
4141         * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
4142         rather than parsing it.
4143         * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
4144         handle_pragma_extern_prefix): Add %< %> quotes.
4145         (registered_pragmas): New.
4146         (c_register_pragma_1): New.
4147         (c_register_pragma): Use it.
4148         (c_register_pragma_with_expansion): Likewise.
4149         (c_invoke_pragma_handler): New.
4150         (init_pragma): Use cpp_register_deferred_pragma directly for
4151         pch_preprocess.
4152         * c-pragma.h (enum pragma_kind): New.
4153         (pragma_handler): New.
4154         (c_invoke_pragma_handler): Declare.
4155         * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
4156         CPP_PRAGMA_EOL.
4157         * c-common.h (c_common_pch_pragma): Update decl.
4158         * Makefile.in (c-parser.o): Update dependencies.
4159         (GTFILES): Add c-pragma.h.
4160         * c-parser.c (struct c_token): Add pragma_kind.
4161         (struct c_parser): Add in_pragma.
4162         (c_lex_one_token): Always initialize keyword and pragma_kind.
4163         Extract data for CPP_PRAGMA.
4164         (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
4165         (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
4166         Don't allow CPP_PRAGMA_EOL if in_pragma.
4167         (c_parser_consume_pragma): New.
4168         (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
4169         (c_parser_skip_to_end_of_parameter): Likewise.
4170         (c_parser_skip_to_end_of_block_or_statement): Likewise.
4171         (c_parser_skip_to_pragma_eol): New.
4172         (c_parser_external_declaration): Handle CPP_PRAGMA.
4173         (c_parser_compound_statement_nostart): Likewise.
4174         (c_parser_statement_after_labels): Likewise.
4175         (c_parser_pragma): New.
4176         (pragma_lex): Likewise.
4177         (c_parser_pragma_pch_preprocess): New.
4178         (c_parser_new): Merge into ...
4179         (c_parse_file): ... here.  Call c_parser_pragma_pch_preprocess.
4180
4181 2006-01-04  Jeff Law  <law@redhat.com>
4182
4183         PR ada/24994
4184         * tree-cfg.c (bsi_replace): Remove the original statement
4185         from the EH throw statement table.
4186
4187 2006-01-04  Jakub Jelinek  <jakub@redhat.com>
4188
4189         * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
4190         make the prototype extern "C" and add throw ().
4191
4192         PR target/25554
4193         * config/i386/i386.md (testqi_ext_3): Ensure len is positive
4194         and pos non-negative and pos + len <= 32.
4195         (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
4196         drop pos + len < HOST_BITS_PER_WIDE_INT test.
4197         (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
4198
4199         PR c/25559
4200         * c-common.c (handle_vector_size_attribute): Reject zero vector size
4201         as well as sizes not multiple of component size.
4202
4203         PR debug/25562
4204         * function.c (instantiate_expr): New function.
4205         (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
4206         walk its DECL_VALUE_EXPR with instantiate_expr.
4207
4208         * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
4209         DW_OP_deref{,_size} if address isn't going to be added.
4210
4211 2006-01-04  Ben Elliston  <bje@au.ibm.com>
4212
4213         * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
4214         * config/fp-bit.c: Likewise.
4215
4216 2006-01-03  Daniel Berlin  <dberlin@dberlin.org>
4217
4218         * dominance.c: Add comment about why we use DFS numbering
4219         of dominance tree.
4220
4221 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
4222             Richard Henderson  <rth@redhat.com>
4223
4224         Merge from gomp-branch:
4225         * varasm.c (assemble_variable): Handle thread-local COMMON data.
4226         * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
4227
4228 2006-01-03  Paolo Bonzini  <bonzini@gnu.org>
4229
4230         PR rtl-optimization/25578
4231         * combine.c (combine_simplify_rtx, force_to_mode): Don't
4232         pass a parameter to simplify_shift_const if changing ASHIFTRT
4233         to LSHIFTRT.
4234
4235 2006-01-03  Adrian Straetling  <straetling@de.ibm.com>
4236
4237         * builtins.c (get_builtin_sync_mem): New function.
4238         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
4239         expand_builtin_lock_test_and_set, expand_builtin_lock_release):
4240         Call get_builtin_sync_mem to generate mem rtx.
4241
4242 2006-01-03  Richard Guenther  <rguenther@suse.de>
4243
4244         PR c/25183
4245         * stmt.c (add_case_node): Make sure to clear overflow flags
4246         from ranges.
4247
4248 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
4249
4250         Merge from gomp-branch.
4251         * config/sparc/sync.md: New file.
4252         * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
4253         UNSPECV_LDSTUB): New constants.
4254         * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
4255         * config/sparc/predicates.md (memory_reg_operand): New predicate.
4256         * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
4257         prototype.
4258
4259 2006-01-03  Roger Sayle  <roger@eyesopen.com>
4260
4261         * combine.c (reg_subword_p): New predicate to test whether the
4262         destination of a set refers to a subword/piece of a register.
4263         (try_combine): Generalize the code to merge the setting of a
4264         pseudo to a constant followed by a set of a subword of that
4265         register to a constant.
4266
4267 2006-01-03  Kazu Hirata  <kazu@codesourcery.com>
4268
4269         * basic-block.h (control_flow_graph): Change the type of
4270         x_label_to_block_map to VEC(basic_block,gc) *.
4271         * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
4272         set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
4273
4274         * tree-ssa-propagate.c (cfg_blocks): Change the type to
4275         VEC(basic_block,heap) *.
4276         (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
4277         ssa_prop_fini): Adjust the uses of cfg_blocks.
4278
4279 2006-01-03  Steven Bosscher  <stevenb.gcc@gmail.com>
4280
4281         * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
4282         COMPONENT_REFs.
4283         * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
4284         hashing trees instead of a pointer hash.
4285         (mem_attrs_htab_eq): Do a deep compare instead of a pointer
4286         compare for MEM_EXPR.
4287
4288         PR rtl-optimization/25130
4289         * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
4290         when comparing MEMs for GCSE
4291
4292 2006-01-03  Ben Elliston  <bje@au.ibm.com>
4293
4294         * targhooks.h (default_decimal_float_supported_p): Declare.
4295         * targhooks.c (default_decimal_float_supported_p): Define.
4296         * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
4297         `default_decimal_float_supported_p'.
4298         * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
4299
4300 2006-01-02  Adam Nemet  <anemet@caviumnetworks.com>
4301
4302         * combine.c (apply_distributive_law <SUBREG>): Check
4303         TRULY_NOOP_TRUNCATION.
4304
4305 2006-01-02  Geoffrey Keating  <geoffk@apple.com>
4306
4307         * dwarf2out.c (have_switched_text_section): Delete.
4308         (have_multiple_function_sections): New.
4309         (have_location_lists): Make 'bool'.
4310         (add_AT_loc_list): Use 'true' not '1'.
4311         (dwarf2out_switch_text_section): Set have_multiple_function_sections.
4312         (output_loc_list): Use have_multiple_function_sections.
4313         (output_ranges): Likewise.
4314         (dwarf2out_begin_function): Set have_multiple_function_sections if
4315         necessary.
4316         (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
4317         Check function_section rather than DECL_SECTION_NAME.
4318         (dwarf2out_finish): Use have_multiple_function_sections.
4319         Don't clear have_location_lists.
4320
4321 2006-01-02  Eric Botcazou  <ebotcazou@adacore.com>
4322             Jan Hubicka  <jh@suse.cz>
4323
4324         * cfglayout.c (fixup_reorder_chain): Remove kludge for the
4325         case of conditional jump jumping to the next instruction.
4326         * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
4327         cases of conditional jump jumping to the next instruction.
4328
4329 2006-01-02  Jan Hubicka  <jh@suse.cz>
4330
4331         * i386.c (*_cost): Add COSTS_N_INSNS.
4332         (ix86_rtx_costs): Do not use COSTS_N_INSNS.
4333
4334 2006-01-02  Paolo Bonzini  <bonzini@gnu.org>
4335
4336         PR target/25259
4337         * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
4338
4339 2006-01-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4340
4341         * config/arm/arm.c (all_fpus): Fix comment typo.
4342         * config/darwin.c: Likewise.
4343         * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
4344         * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
4345         * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
4346
4347 2006-01-01  David Edelsohn  <edelsohn@gnu.org>
4348
4349         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
4350         (rs6000_split_compare_and_swapqhi): New.
4351         * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
4352         (sync_compare_and_swapqhi_internal): New.
4353         * config/rs6000/rs6000-protos.h: Declare.