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2006-02-08 Paolo Bonzini <bonzini@gnu.org>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2006-02-08  Paolo Bonzini  <bonzini@gnu.org>
2
3         * passes.c (register_one_dump_file): Accept the current properties
4         instead of pass number.  Adjust call to dump_register.  Remove
5         duplicated code.
6         (register_dump_files): Now a wrapper around...
7         (register_dump_files_1): ... this one.  Do not modify the pass
8         structure.
9         (next_pass_1): Cosmetic fix.
10         (execute_todo): Keep second parameter only.  Use curr_properties instead
11         of fetching it from the pass structure.  Check and set last_verified.
12         (execute_one_pass): Handle TODO_set_props.  Use curr_properties
13         instead of fetching it from the pass structure.  Fix calls to
14         execute_todo.  Update curr_properties and initialize .vcg RTL dump
15         after running the pass.  Reset last_verified.
16         * tree-dump.c (dump_files): Renumber consecutively.  Put .cgraph dump
17         at the beginning.
18         (FIRST_AUTO_NUMBERED_DUMP): New.
19         (dump_register): Remove "num" parameter, assign it within the
20         function.
21         (get_dump_file_name): Modify template for dumps.
22         * tree-dump.h (dump_register): Adjust prototype.
23         * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
24         (PROP_trees): Add PROP_gimple_lomp.
25         (TODO_set_props): New.
26         * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
27         * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
28         * cfgexpand.c (pass_expand): Destroy PROP_trees.
29
30
31 2006-02-08  Jakub Jelinek  <jakub@redhat.com>
32
33         * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
34         (sparc64-*-linux*): Likewise.
35         * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
36         * config/sparc/t-linux: New file.
37         * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
38         __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
39         (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
40         -m32 -mlong-double-128.
41
42         * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
43         * config/alpha/t-linux: New file.
44         * config/alpha/libgcc-alpha-ldbl.ver: New file.
45
46         * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
47         __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
48         (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
49         * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
50         __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
51         (CPP_ARCH32_SPEC): Remove.
52
53 2006-02-07  Uttam Pawar  <uttamp@us.ibm.com>
54
55         PR tree-optimization/26145
56         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
57         bbs pointer.
58
59 2006-02-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
60
61         PR target/26109
62         * pa.c (attr_length_indirect_call): Don't return length 8 for distances
63         >= 240000 when generating code for SOM runtime.
64         (output_indirect_call): Don't use "b,l" instruction for indirect calls
65         to $$dyncall when generating code for SOM runtime..
66
67 2006-02-07  Dirk Mueller  <dmueller@suse.com>
68
69         PR c++/18150
70         * doc/invoke.texi (-Wsequence-point): Update documentation
71         that -Wsequence-point is implemented for C++ as well.
72
73 2006-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
74
75         * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
76         * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
77         (LIB_SPEC): Likewise.
78         * doc/invoke.texi (SPARC options): Document -pthread.
79
80 2006-02-07  Geoffrey Keating  <geoffk@apple.com>
81
82         * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
83         PIC addresses.
84
85 2006-02-07  Roger Sayle  <roger@eyesopen.com>
86
87         * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
88         Correct comment describing BOOLEAN_TYPE.
89
90 2006-02-07  Dirk Mueller  <dmueller@suse.com>
91
92         * c.opt: C++ frontend supports -Wdiv-by-zero.
93         * c-opts.c (c_common_handle_option): Remove dead case.
94
95 2006-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
96
97         * configure.ac (TLS assembler check): Do not enable TLS by
98         default on SPARC/Solaris before version 10.
99         * configure: Regenerate.
100
101 2006-02-07  David Edelsohn  <edelsohn@gnu.org>
102
103         * doc/invoke.texi (xl-compat): Document conversion and support
104         routine names.
105
106 2006-02-07  Jeff Law  <law@redhat.com>
107
108         * tree-vrp.c (find_conditional_asserts): Update comments.
109         (simplify_stmt_for_jump_threading): New.
110         (identify_jump_threads, finalize_jump_threads): New.
111         (vrp_finalize): Call identify_jump_threads.
112         (execute_vrp): Call finalize_jump_threads.
113         * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
114         (vrp_element, vrp_data, vrp_element_p): Remove.
115         (vrp_hash_elt, vrp_variables_stack): Remove.
116         (vrp_hash, vrp_eq, record_range): Remove.
117         (simplify_cond_and_lookup_avail_expr): Remove.
118         (extract_range_from_cond): Remove.
119         (thread_across_edge): Relocated into tree-ssa-threadedge.c.
120         (simplify_stmt_for_jump_threading): New.
121         (dom_thread_across_edge): New wrapper.
122         (tree_ssa_dominator_optimize): No longer initialize or
123         finalize any of the VRP datastructures.  Remove iteration
124         step and simplify as a result of removal of iteration step.
125         (pass_dominator): Perform a cfg cleanup after DOM.
126         (dom_opt_finalize_block): Use the new common routines
127         for threading jumps.  Simplify stack management slightly.
128         No longer need to unwind VRP state.
129         (record_equivalences_from_incoming_edge): No longer record
130         VRP information.
131         (eliminate_redundant_computations): No longer call
132         simplify_cond_and_lookup_avail_expr.
133         * tree-flow.h (potentially_threadable_block): Prototype.
134         (thread_across_edge): Likewise.
135         * Makefile.in (OBJS-common):  Add tree-ssa-threadedge.o
136         (tree-ssa-threadedge.o): Add dependencies.
137         * tree-ssa-threadedge.c: New file.
138         * passes.c (init_optimization_passes): Merge PHIs before
139         calling VRP.  Run VRP again late in the SSA optimization pipeline.
140
141 2006-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
142
143         * df-core.c (df_set_blocks): Do not dereference function pointers.
144         (df_finish1): Likewise.
145         (df_hybrid_search_forward): Likewise.
146         (df_hybrid_search_backward): Likewise.
147         (df_iterative_dataflow): Likewise.
148         (df_analyze_problem): Likewise.
149         (df_compact_blocks): Likewise.
150         (df_dump): Likewise.
151         * df-scan.c (df_rescan_blocks): Likewise.
152         (df_record_entry_block_defs): Likewise.
153
154         * genconditions.c (write_conditions): Guard the definition of
155         'insn_conditions' with the check on GCC version.
156         (write_writer): Guard the traversal 'insn_conditions' with
157         the check on GCC version.
158
159 2006-02-07  Richard Guenther  <rguenther@suse.de>
160
161         PR c++/26140
162         Revert
163         2006-01-30  Richard Guenther  <rguenther@suse.de>
164         PR c++/23372
165         * gimplify.c (gimplify_target_expr): Handle easy cases
166         without creating a temporary.
167
168 2006-02-07  Pete Steinmetz  <steinmtz@us.ibm.com>
169
170         * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
171         use of float in probability computations.  Use edge probabilities
172         in place of statically computed probabilities.
173         (min_spec_prob): New static variable.
174         (schedule_insns): Initialize it.
175         (GET_SRC_PROB): Removed.
176         * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
177
178 2006-02-07  Alexandre Oliva  <aoliva@redhat.com>
179
180         PR debug/24444
181         * config/ia64/unwind-ia64.c: Revert last change.
182         * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
183         (INCOMING_FRAME_SP_OFFSET): Define.
184
185 2006-02-06  Roger Sayle  <roger@eyesopen.com>
186
187         * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
188
189 2006-02-07  Ben Elliston  <bje@au.ibm.com>
190
191         * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
192         (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
193         (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
194         (ix86_return_in_memory): Handle TDmode.
195         (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
196         (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
197
198 2006-02-06  Richard Sandiford  <richard@codesourcery.com>
199
200         * reorg.c (dbr_schedule): Use dump_file instead of file.
201
202 2006-02-06  Steve Ellcey  <sje@cup.hp.com>
203
204         PR target/25917
205         * config/ia64/predicates.md (extr_len_operand): New predicate.
206         * config/ia64/ia64.md (extv): Tighten constraints.
207         (extzv): Ditto.
208         (*tbit_and_2): Ditto.
209         (*tbit_and_3): Ditto.
210         (*tbit_or_2): Ditto.
211         (*tbit_or_3): Ditto.
212         (*bit_zero): Ditto.
213         (*bit_one): Ditto.
214
215 2006-02-06  Andrew Pinski  <pinskia@physics.uc.edu>
216
217         PR target/23359
218         * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
219
220 2006-02-06  Zdenek Dvorak <dvorakz@suse.cz>
221
222         * tree-vrp.c (execute_vrp): Do not pass dump argument to.
223         loop_optimizer_init and loop_optimizer_finalize
224         * tree-ssa-sink.c (execute_sink_code): Ditto.
225         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
226         * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
227         tree_ssa_loop_done): Ditto.
228         * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
229         * sched-ebb.c: Include output.h.
230         (schedule_ebbs): Do not use dump argument.
231         * value-prof.h (struct profile_hooks): Remove profile_dump_file.
232         * loop.c (loop_dump_stream): Removed.
233         (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
234         argument.
235         (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
236         emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
237         final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
238         loop_iterations, strength_reduce, record_biv, record_giv,
239         final_giv_value, check_final_value, check_ext_dependent_givs,
240         combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
241         try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
242         dump_file instead of loop_dump_stream.
243         * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
244         argument dump_file.
245         * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
246         dump argument.
247         * flow.c (life_analysis, rest_of_handle_life): Ditto.
248         * haifa-sched.c: Include output.h
249         (schedule_insns, sched_init): Do not use dump argument.
250         * mode-switching.c (optimize_mode_switching): Ditto.
251         * modulo-sched.c (stats_file): Removed.
252         (print_node_sched_params): Do not call argument dump_file.
253         (sms_schedule_by_order, loop_canon_p, sms_schedule,
254         rest_of_handle_sms): Do not use dump argument.  Use dump_file instead
255         of stats_file.
256         * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
257         use dump argument.
258         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
259         rtl_loop_init, rtl_loop_done): Ditto.
260         * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
261         * predict.c (combine_predictions_for_bb, tree_estimate_probability):
262         Ditto.
263         * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
264         * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
265         * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
266         rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
267         * emit-rtl.c (renumber_insns): Ditto.
268         * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
269         expand_gimple_basic_block, tree_expand_cfg): Ditto.
270         * regclass.c (regclass): Ditto.
271         * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
272         remove_ssa_form, rewrite_out_of_ssa): Ditto.
273         * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
274         convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
275         Ditto.
276         * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
277         * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
278         to regclass.
279         * gcse.c (gcse_file, debug_stderr): Removed.
280         (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
281         rest_of_handle_gcse): Do not use dump argument.
282         (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
283         one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
284         pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
285         compute_code_hoist_vbeinout, compute_code_hoist_data,
286         one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
287         compute_store_table, build_store_vectors, insert_insn_start_bb,
288         insert_store, remove_reachable_equiv_notes, replace_store_insn,
289         store_motion): Use dump_file instead of gcse_file.
290         * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
291         * profile.c (profile_dump_file): Removed.
292         (branch_prob): Use dump_file instead of profile_dump_file.
293         * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
294         dump_file.
295         * tree-ssa-copy.c (dump_copy_of): Ditto.
296         * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
297         dump file to life_analysis.
298         * bt-load.c (branch_target_load_optimize): Ditto.
299         * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
300         renumber_insns.
301         * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
302         regclass, dbr_schedule): Declaration changed.
303         * sched-int.h (sched_init): Declaration changed.
304         * tree-profile.c (tree_profile_dump_file): Removed.
305         (tree_profile_hooks): Removed profile_dump_file hook.
306         * rtl-profile (rtl_profile_dump_file): Removed.
307         (rtl_profile_hooks): emoved profile_dump_file hook.
308         * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
309         changed.
310         * c-gimplify.c (c_genericize): Do not call local variable dump_file.
311         * tree-cfg.c (build_tree_cfg): Ditto.
312         * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
313         * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
314         Declaration changed.
315         * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
316         life_analysis and schedule_insns.
317         * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
318         life_analysis.
319         * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
320         dbr_schedule.
321         * config/mips/mips.c (mips_reorg): Ditto.
322         * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
323         schedule_ebbs.
324
325 2006-02-06  Aldy Hernandez  <aldyh@redhat.com>
326
327         * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
328         (s390_mangle_fundamental_type): New.
329         * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
330         Define.
331
332         * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
333         (alpha_mangle_fundamental_type): New.
334         * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
335         Define.
336
337         * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
338         Define.
339         * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
340         Define.
341         * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
342         (sparc_mangle_fundamental_type): New.
343
344 2006-02-06  Jakub Jelinek  <jakub@redhat.com>
345
346         * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
347         (s390x-*-linux*): Likewise.
348         * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
349         * config/s390/t-linux: New file.
350
351 2006-02-02  Bernd Schmidt  <bernd.schmidt@analog.com>
352
353         * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
354         sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
355
356 2006-02-06  Daniel Berlin  <dberlin@dberlin.org>
357
358         * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
359         (ANTIC_SAFE_LOADS): New macro.
360         (find_or_generate_expression): Add prototype.
361         (set_contains_value): Allow null set for sake of not always having
362         to allocate ANTIC_SAFE_LOADS.
363         (phi_translate): Move placement of AGGREGATE_TYPE_P check.
364         Allow COMPONENT_REF too.
365         (valid_in_set): Allow COMPONENT_REF.
366         Check ANTIC_SAFE_LOADS too.
367         (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
368         (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
369         rename.
370         (can_PRE_operation): Add COMPONENT_REF.
371         (create_component_ref_by_pieces): New function.
372         (create_expression_by_pieces): Use create_component_ref_by_pieces.
373         (insert_aux): Move AGGREGATE_TYPE_P check here.
374         (compute_avail): Set bb local stmt uids.
375         (pass_pre): Use TODO_update_ssa_only_virtuals.
376         
377 2006-02-06  Ben Elliston  <bje@au.ibm.com>
378
379         * configure.ac: Unconditionally disable decimal float by default.
380         * configure: Regenerate.
381
382 2006-02-06  Ben Elliston  <bje@au.ibm.com>
383
384         * read-rtl.c (read_name): Terminate reading on EOF.
385
386 2006-02-06  Ben Elliston  <bje@au.ibm.com>
387
388         * dfp.c (decimal_real_arithmetic): Change second argument type
389         from int to enum tree_code. Do not always return true, but now
390         return result of any call to decimal_do helper functions.
391         * dfp.h (decimal_real_arithmetic): Update prototype.
392
393 2006-02-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
394
395         * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
396
397 2006-02-05  Andrew Pinski  <pinskia@physics.uc.edu>
398
399         PR tree-opt/25251
400         * tree-cfg.c (cleanup_dead_labels): Also don't remove
401         forced labels.
402
403 2006-02-04  Zdenek Dvorak <dvorakz@suse.cz>
404
405         * tree-vrp.c (cfg_loops): Removed.
406         (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
407         Use current_loops instead of cfg_loops.  Pass flags to
408         loop_optimizer_init.
409         * cfgloopmanip.c (fix_loop_structure): Update only available
410         information.
411         * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
412         loop_optimizer_init.
413         * modulo-sched.c (build_loops_structure): Removed.
414         (sms_schedule): Use loop_optimizer_init.
415         * loop-init.c (loop_optimizer_init): Use flags to determine
416         which properties of loops to prepare.
417         (rtl_loop_init): Pass flags to loop_optimizer_init.
418         * tree-ssa-sink.c (execute_sink_code): Ditto.
419         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
420         * tree-ssa-pre.c (init_pre): Ditto.
421         * cfgloop.h (LOOPS_NORMAL): New.
422         (loop_optimizer_init): Declaration changed.
423
424 2006-02-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
425
426         * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
427         * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
428         pa/t-pa.
429         * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
430         pa/t-pa.
431         * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
432         pa/x-ada.
433         * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
434         * pa/t-pa64: Delete quadlib.c rule.
435         * pa/x-ada: Revert last change.
436         * pa/t-pa: Revert last change.  Delete quadlib.c rule.
437
438 2006-02-04  Zdenek Dvorak <dvorakz@suse.cz>
439
440         PR rtl-optimization/26087
441         * rtlanal.c (canonicalize_condition): Do not cross basic block
442         boundaries.
443
444 2006-02-04  Alexandre Oliva  <aoliva@redhat.com>
445
446         PR debug/24444
447         * config/ia64/ia64.c: Include debug.h.
448         (MAX_ARTIFICIAL_LABEL_BYTES): New.
449         (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
450         (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
451         (process_epilogue, process_set, process_for_unwind_directive):
452         Output unwind info only if requested.  Add CFA info if requested.
453         Add new arguments as needed.  Adjust callers.
454         * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
455         incorrect default.
456         (DWARF2_FRAME_INFO): Define to zero.
457         * config/ia64/unwind-ia64.c: Remove code that compensated for
458         the CFA offset error fixed above.
459         * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
460         * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
461         (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
462         -funwind-tables and -fexceptions to enable frame info.
463         (dwarf2out_frame_init): Define initial CFA even if
464         DWARF2_UNWIND_INFO is disabled.  Call initial_return_save if
465         DWARF2_UNWIND_INFO is nonzero, not just defined.
466         (dwarf2out_frame_finish): Output non-EH call frame info only
467         if DWARF2_FRAME_INFO is nonzero.
468         (convert_cfa_to_loc_list,
469         compute_frame_pointer_to_cfa_displacement): Define even if
470         unwind info is not supported.
471         (gen_subprogram_die): Use the above unconditionally.  Remove
472         legacy alternate code.
473         * toplev.c (compile_file): Compile in call to
474         dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
475         (lang_dependent_init): Ditto for dwarf2out_frame_init.
476
477 2006-02-04  David Edelsohn  <edelsohn@gnu.org>
478             Jakub Jelinek  <jakub@redhat.com>
479
480         * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
481         IBM extended float format long double as "g" on powerpc*-linux.
482
483 2006-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
484
485         PR target/25926
486         * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
487         * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
488
489 2006-02-03  Jason Merrill  <jason@redhat.com>
490
491         PR c++/25979
492         * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
493
494         PR middle-end/25977
495         * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
496         on the return slot if it's an NRV.
497
498 2006-02-03  Zdenek Dvorak <dvorakz@suse.cz>
499
500         * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
501         (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
502         rewrite_use): Do not handle USE_OUTER.
503         (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
504         add_iv_outer_candidates, may_replace_final_value,
505         determine_use_iv_cost_outer, rewrite_use_outer): Removed.
506         (find_interesting_uses_op): Functionality of
507         find_interesting_uses_outer_or_nonlin moved here.
508         (find_interesting_uses_outside): Use find_interesting_uses_op.
509
510 2006-02-03  Alan Modra  <amodra@bigpond.net.au>
511
512         PR target/25960
513         * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
514
515 2006-02-03  Andreas Krebbel  <krebbel1@de.ibm.com>
516             Ulrich Weigand  <uweigand@de.ibm.com>
517
518         PR target/25864
519         * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
520         "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
521         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
522         * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr 
523         and dxr fields.
524         (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
525         (s390_rtx_costs): Use the new fields to calculate rtx costs.
526         (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
527         Define secondary reloads for TFmode moves.
528         (constant_modes): Add TFmode.
529         (NR_C_MODES): Set to 8.
530         * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
531         builtin define.
532         (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
533         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
534         (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS, 
535         CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
536         * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf, 
537         fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
538         (FPR mode macro): Add TFmode.
539         (DSF mode macro): New.
540         (<de>, <dee> mode attributes): Removed.
541         (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
542         ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs", 
543         "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee", 
544         "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3", 
545         "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm", 
546         "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly", 
547         "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
548         "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc", 
549         "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm", 
550         "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
551         "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly", 
552         "*negabs<mode>2", "sqrt<mode>2"):
553         Changed <de> to <xde>. R constraint replaced by <Rf>.
554         ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by 
555         <Rf>.
556         ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
557         ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
558         ("*movtf_64", "*movtf_31"): New insn definitions followed by 5 
559         splitters.
560         ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2", 
561         "extenddftf2", "extendsftf2"): New expanders.
562         ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee", 
563         "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
564         "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
565         * config/s390/s390.opt (mlong-double-128, mlong-double-64):
566         New options.
567         * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
568         * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2, 
569         __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
570         __floatditf): Add a GCC_4.1.0 symbol version tag.
571         * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
572         the new options.
573
574 2006-02-02  Andrew Pinski  <pinskia@physics.uc.edu>
575
576         PR target/25377
577         * config/i386/i386.c (ix86_function_ok_for_sibcall):
578         Use targetm.binds_local_p instead of TREE_PUBLIC.
579
580 2006-02-02  Roger Sayle  <roger@eyesopen.com>
581
582         * tree.h (TYPE_STRING_FLAG): Document that this field may be used
583         on INTEGER_TYPEs to indicate that it denotes a character type.
584         * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
585         signed_char_type_node, unsigned_char_type_node and char_type_node.
586         * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
587         INTEGER_TYPE.  Use TYPE_STRING_FLAG to decide whether to emit
588         a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
589
590 2006-02-02  Zdenek Dvorak <dvorakz@suse.cz>
591             Daniel Berlin  <dberlin@dberlin.org>
592
593         * tree-tailcall.c (arg_needs_copy_p): New function.
594         (eliminate_tail_call): Use arg_needs_copy_p.
595         (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
596         (add_virtual_phis): New function.
597
598 2006-02-02  Jakub Jelinek  <jakub@redhat.com>
599
600         * config/sparc/sparc.c (sparc_output_scratch_registers): Use
601         #ignore instead of #scratch for %g7 .register directive.
602
603 2006-02-02  Andreas Tobler  <a.tobler@schweiz.ch>
604
605         * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
606         object files.
607
608 2006-02-02  Bernd Schmidt  <bernd.schmidt@analog.com>
609
610         * flow.c (calculate_global_regs_live): Assert that there aren't any
611         EDGE_FAKE edges.
612
613 2006-02-02  Paolo Bonzini  <bonzini@gnu.org>
614
615         * tree-flow-inline.h (bsi_after_labels): Rewrite, return
616         what its name says.
617         * lambda-code.c (perfect_nestify): Use bsi_insert_before on
618         bsi_after_labels iterator.
619         * tree-if-conv.c (find_phi_replacement_condition,
620         replace_phi_with_cond_modify_expr): Likewise.
621         * tree-scalar-evolution.c (scev_const_prop): Likewise.
622         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
623
624 2006-02-02  Diego Novillo  <dnovillo@redhat.com>
625
626         * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
627
628 2006-02-02  Diego Novillo  <dnovillo@redhat.com>
629
630         PR 25990
631         * tree-cfg.c (move_block_to_fn): Clear out the basic block
632         array after growing it.
633
634 2006-02-01  Steve Ellcey  <sje@cup.hp.com>
635
636         PR middle-end/24901
637         * fold-const.c (fold_checksum_tree): Change type of buf.
638
639 2006-02-01  Bernd Schmidt  <bernd.schmidt@analog.com>
640
641         * reload.c (push_secondary_reload): Initialize t_icode.
642
643 2006-02-01  Jakub Jelinek  <jakub@redhat.com>
644
645         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
646         -msoft-float -mlong-double-128 only issue a warning, but don't
647         swich to DFmode long double.
648
649 2006-02-01  Hans-Peter Nilsson  <hp@axis.com>
650
651         * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
652         has a constant equivalent, iterate over equivalents for arg0,
653         calling simplify_relational_operation and if there's a result
654         cheaper than X, apply fold_rtx and return the result.
655
656 2006-02-01  Jan Hubicka  <jh@suse.cz>
657
658         * opts.c (no_unit_at_a_time_default): New global variable.
659         (decode_options): Use it.
660         * opts.h (no_unit_at_a_time_default): Declare.
661
662 2006-02-01  Paul Brook  <paul@codesourcery.com>
663
664         * function.c (assign_parm_setup_reg): Use function argument promotion
665         rules.
666         * expr.c (expand_expr_real_1): Use function argument promotion rules
667         for PARM_DECLs.
668
669 2006-02-01  Steve Ellcey  <sje@cup.hp.com>
670
671         * gcc.c (process_command): Change j to 'unsigned int'.
672
673 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
674
675         PR middle-end/26001
676         * expr.c (expand_expr_real_1) <case ARRAY_REF>:
677         Use the corrected index for the character
678         out of the string constant.
679
680 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
681
682         * mode-switching.c (optimize_mode_switching): Fix size
683         allocated for bb_info[n_entities].
684
685 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
686
687         * gcc.c (main): Correct type that is allocated for
688         explicit_link_files.
689
690 2006-01-31  Jakub Jelinek  <jakub@redhat.com>
691
692         * config/s390/s390.c (init_alignment_context): Set
693         ALIAS_SET_MEMORY_BARRIER on the MEM.
694         * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
695
696 2006-01-31  Uttam Pawar  <uttamp@us.ibm.com>
697
698         PR middle-end/25933
699         * loop-unroll.c (unroll_loop_runtime_iterations): Free
700         dom_bbs pointer.
701         * tree-ssa-live.c (type_var_init): Allocate bitmap after
702         call to tpa_init.
703
704 2006-01-31  Marcin Dalecki  <martin@dalecki.de>
705
706         * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
707         * regrename.c: Ditto.
708         * tree-ssa-loop-im.c: Ditto.
709         * tree-dump.c: Ditto.
710         * tree-complex.c: Ditto.
711         * genrecog.c: Ditto.
712         * tree-ssa-threadupdate.c: Ditto.
713         * tracer.c: Ditto.
714         * java/class.c: Ditto.
715         * java/jcf-parse.c: Ditto.
716         * java/resource.c: Ditto.
717         * java/except.c: Ditto.
718         * java/jvspec.c: Ditto.
719         * java/jcf-write.c: Ditto.
720         * java/jcf-path.c: Ditto.
721         * java/gjavah.c: Ditto.
722         * java/zextract.c: Ditto.
723         * java/jcf-io.c: Ditto.
724         * java/jcf.h: Ditto.
725         * java/buffer.c: Ditto.
726         * java/lang.c: Ditto.
727         * java/parse-scan.y: Ditto.
728         * java/lex.c: Ditto.
729         * java/lex.h: Ditto.
730         * cfgloopmanip.c: Ditto.
731         * postreload-gcse.c: Ditto.
732         * tree-ssa-loop-manip.c: Ditto.
733         * postreload.c: Ditto.
734         * tree-ssa-loop-ch.c: Ditto.
735         * loop.c: Ditto.
736         * ipa-cp.c: Ditto.
737         * cppspec.c: Ditto.
738         * diagnostic.c: Ditto.
739         * final.c: Ditto.
740         * genoutput.c: Ditto.
741         * gcc.c: Ditto.
742         * cfghooks.c: Ditto.
743         * cfgloopanal.c: Ditto.
744         * objc/objc-act.c: Ditto.
745         * gcov.c: Ditto.
746         * genextract.c: Ditto.
747         * genautomata.c: Ditto.
748         * pretty-print.c: Ditto.
749         * genemit.c: Ditto.
750         * cgraphunit.c: Ditto.
751         * flow.c: Ditto.
752         * df-scan.c: Ditto.
753         * haifa-sched.c: Ditto.
754         * dominance.c: Ditto.
755         * dbxout.c: Ditto.
756         * tree-ssa-loop-ivopts.c: Ditto.
757         * df-core.c: Ditto.
758         * mode-switching.c: Ditto.
759         * modulo-sched.c: Ditto.
760         * graph.c: Ditto.
761         * ipa-pure-const.c: Ditto.
762         * cse.c: Ditto.
763         * fix-header.c: Ditto.
764         * web.c: Ditto.
765         * tree-stdarg.c: Ditto.
766         * ipa-utils.c: Ditto.
767         * loop-init.c: Ditto.
768         * ipa-inline.c: Ditto.
769         * cfganal.c: Ditto.
770         * global.c: Ditto.
771         * alloc-pool.c: Ditto.
772         * dwarf2out.c: Ditto.
773         * opts.c: Ditto.
774         * genattrtab.c: Ditto.
775         * tree-ssa-loop-ivcanon.c: Ditto.
776         * predict.c: Ditto.
777         * timevar.c: Ditto.
778         * lcm.c: Ditto.
779         * fortran/gfortranspec.c: Ditto.
780         * regmove.c: Ditto.
781         * local-alloc.c: Ditto.
782         * langhooks.c: Ditto.
783         * function.c: Ditto.
784         * tree-vectorizer.c: Ditto.
785         * gcse.c: Ditto.
786         * ipa-type-escape.c: Ditto.
787         * alias.c: Ditto.
788         * tree-if-conv.c: Ditto.
789         * profile.c: Ditto.
790         * ipa.c: Ditto.
791         * tree-data-ref.c: Ditto.
792         * loop-unroll.c: Ditto.
793         * treelang/treetree.c: Ditto.
794         * calls.c: Ditto.
795         * bt-load.c: Ditto.
796         * ggc-common.c: Ditto.
797         * except.c: Ditto.
798         * coverage.c: Ditto.
799         * cselib.c: Ditto.
800         * tree-cfgcleanup.c: Ditto.
801         * tree-ssa-pre.c: Ditto.
802         * cfgcleanup.c: Ditto.
803         * loop-invariant.c: Ditto.
804         * loop-iv.c: Ditto.
805         * ipa-prop.c: Ditto.
806         * print-tree.c: Ditto.
807         * conflict.c: Ditto.
808         * ggc-page.c: Ditto.
809         * sched-deps.c: Ditto.
810         * regclass.c: Ditto.
811         * tree-object-size.c: Ditto.
812         * combine.c: Ditto.
813         * bb-reorder.c: Ditto.
814         * resource.c: Ditto.
815         * var-tracking.c: Ditto.
816         * cfgloop.c: Ditto.
817         * df-problems.c: Ditto.
818         * reg-stack.c: Ditto.
819         * tlink.c: Ditto.
820         * gccspec.c: Ditto.
821         * sched-rgn.c: Ditto.
822         * tree-ssa-structalias.c: Ditto.
823         * tree-ssa-reassoc.c: Ditto.
824         * config/darwin-c.c: Ditto.
825         * config/darwin.c: Ditto.
826         * config/arm/arm.c: Ditto.
827         * cfgrtl.c: Ditto.
828         * collect2.c: Ditto.
829         * reload1.c: Ditto.
830
831 2006-01-31  Nicolas Pitre  <nico@cam.org>
832
833         * arm.md (smaxsi3): Make aware of smax_m1.
834         (smax_m1): New.
835
836 2006-01-31  Nathan Sidwell  <nathan@codesourcery.com>
837
838         * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
839
840 2006-01-31  Richard Guenther  <rguenther@suse.de>
841
842         * doc/invoke.texi (-msselibm): Document.
843         * target.h (expand_library_builtin): New target hook.
844         * builtins.c (expand_builtin): Use expand_library_builtin.
845         (default_expand_library_builtin): New function.
846         * gcc.c (LINK_GCC_MATH_SPEC): Define.
847         (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
848         (link_gcc_math_spec): Declare.
849         (static_specs): Add link_gcc_math_spec.
850         * expr.h (default_expand_library_builtin): Declare.
851         * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
852         (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
853         * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
854         * config/i386/i386.opt (msselibm): New target option.
855         * config/i386/i386.c (ix86_builtin_function_variants): New array.
856         (ix86_init_sse_abi_builtins): New function.
857         (ix86_expand_library_builtin): Likewise.
858         (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
859         (override_options): Handle error conditions wrt -msselibm.
860         (ix86_builtins): Add function codes for SSE2 ABI builtins.
861         (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
862         * doc/extend.texi (__builtin_sse2_*): Document new target specific
863         builtins.
864
865 2006-01-31  Richard Guenther  <rguenther@suse.de>
866         Paolo Bonzini  <bonzini@gnu.org>
867
868         * doc/install.texi (--disable-libgcc-math): Document.
869
870 2006-01-30  Marcin Dalecki  <martin@dalecki.de>
871
872         * expr.h (expand_normal): new inline function.
873         * builtins.c: use it, use EXPAND_NORMAL explicitely.
874         * dojump.c: use it.
875         * dwarf2out.c: use it.
876         * expr.c: use it.
877         * calls.c: use it.
878         * expmed.c: use it.
879         * except.c: use it.
880         * config/sparc/sparc.c: use it.
881         * config/i386/i386.c: use it.
882         * config/rs6000/rs6000.c: use it.
883         * config/arm/arm.c: use it.
884         * config/mips/mips.c: use it.
885         * stmt.c: use it, use EXPAND_NORMAL explicitely.
886
887 2006-01-30  Roger Sayle  <roger@eyesopen.com>
888
889         * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
890         argv to the appropriate type.
891
892 2006-01-30  Zdenek Dvorak <dvorakz@suse.cz>
893
894         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
895         unreachable code.
896
897 2006-01-30  Ulrich Weigand  <uweigand@de.ibm.com>
898
899         PR target/26018
900         * config/s390/s390.c (struct machine_function): New flag
901         decomposed_literal_pool_addresses_ok_p.
902         (s390_reorg): Set it before final stage of literal pool transforms.
903         (s390_decompose_address): Only accept displacements of the form
904         (minus (label_ref ...) (label_ref ...)) if that flag is set.
905
906 2006-01-30  Carlos O'Donell  <carlos@codesourcery.com>
907
908         * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
909         the comparison routine return.
910
911 2006-01-30  Michael Matz  <matz@suse.de>
912
913         * global.c (find_reg): Only evict for global regs.
914         Take n_refs into account and dump more info.
915
916 2006-01-30  J"orn Rennecke <joern.rennecke@st.com>
917
918         PR target/14798:
919         * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
920         (pragma_trap, pragma_nosave_low_regs): Likewise.
921         (current_function_anonymous_args): Likewise.
922         (sh_deferred_function_attributes): New variable.
923         (sh_deferred_function_attributes_tail): Likewise.
924         (print_operand): For '@', look up trap_exit attribute.
925         (calc_live_regs): Look up trapa_handler attribute.  For trapa
926         handlers, save/restore fpscr, but don't do any other
927         interrupt-specific saves.
928         Don't save r0..r7 if the nosave_low_regs attribute is in effect.
929         Fix check for partially saved registers to check for SHmedia.
930         (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
931         (sh_output_function_epilogue): Don't clear any of the removed
932         variables.
933         (sh_insert_attributes): Don't check pragma_interrupt.
934         Insert deferred attributes.  Check that interrupt attribute is
935         present for other attributes that require its presence.
936         (sh_attribute_table): Add new attributes trapa_handler and
937         nosave_low_regs.
938         (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
939         Don't check for pragma_interrupt.  Don't store argument.
940         * sh.h (pragma_interrupt, sp_switch): Don't declare.
941         (sh_deferred_function_attributes): Declare.
942         (sh_deferred_function_attributes_tail): Likewise.
943         * sh.md (sp_switch_1): Add operand.  Change generator caller.
944         (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
945         (*return_i): Don't use when trap_exit attribute is in effect.
946         (*return_trapa): New insn pattern.
947         * sh-c.c: New file.
948         * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
949         setting c_target_objs and cxx_target_objs.
950         * t-sh: Add rule for sh-c.o.
951
952 2006-01-30  Richard Guenther  <rguenther@suse.de>
953
954         PR c++/23372
955         * gimplify.c (gimplify_target_expr): Handle easy cases
956         without creating a temporary.
957
958 2006-01-30  Nathan Sidwell  <nathan@codesourcery.com>
959
960         * vec.h (safe_grow): Remove duplicated line.
961
962 2006-01-29  Diego Novillo  <dnovillo@redhat.com>
963
964         PR 25874
965         * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
966         (expand_omp): ... here.
967         (expand_omp_parallel): Only remove barriers for combined
968         parallel+workshare constructs.
969
970 2006-01-29  Eric Botcazou  <ebotcazou@adacore.com>
971
972         Revert
973
974         2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
975         * tree.c (build_qualified_type): Chain the new type to the original
976         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
977         a POINTER_TYPE or a REFERENCE_TYPE respectively.
978         (build_pointer_type_for_mode): Only return unqualified types.
979         (build_reference_type_for_mode): Likewise.
980
981 2006-01-29  Gabriel Dos Reis  <gdr@integgrable-solutions.net>
982
983         * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
984         * Makefile.in (CXX_COMPAT_WARN): Define.
985         * configure: Regenerate.
986
987 2006-01-29  Dorit Nuzman  <dorit@il.ibm.com>
988
989         PR tree-opt/25911
990         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
991         to an if check.
992
993 2006-01-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
994
995         * toplev.c: Fix thinko.
996
997 2006-01-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
998             Marcin Dalecki  <martin@dalecki.de>
999
1000         * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
1001         (push_srcloc): Use XNEW.
1002         (init_asm_output, default_get_pch_validity): Use XNEWVEC.
1003
1004 2006-01-29  Kenneth Zadeck <zadeck@naturalbridge.com>
1005
1006         * df-core.c (df_set_blocks): Deleted all variable.
1007
1008 2006-01-28  Ian Lance Taylor  <ian@airs.com>
1009
1010         * cgraphunit.c (cgraph_assemble_pending_functions): Call
1011         cgraph_output_pending_asms.
1012
1013 2006-01-28  Zack Weinberg  <zackw@panix.com>
1014
1015         * c.opt: Add -W(no-)overlength-strings.
1016         * doc/invoke.texi: Document it.
1017         * c-opts.c (c_common_handle_option): -pedantic implies
1018         -Woverlength-strings, if not explicitly disabled already.
1019         (c_common_post_options): -Woverlength-strings defaults to off, and
1020         is always off for C++.
1021         * c-common.c (fix_string_type): Issue warning about strings longer
1022         than is portable only if warn_overlength_strings.  Rearrange code
1023         a little for clarity.
1024         * configure.in: Check for -Wno-overlength-strings as well before
1025         enabling -pedantic in stage 1.
1026         * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
1027         (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
1028
1029         * genconditions.c (write_header, write_one_condition)
1030         (write_conditions, write_writer): Consolidate very long strings
1031         that were broken up to fit in C89 portable limit.  Don't use
1032         printf when fputs will do.
1033
1034 2006-01-28  Adam Nemet  <anemet@caviumnetworks.com>
1035
1036         * combine.c (simplify_comparison <AND>): Check
1037         TRULY_NOOP_TRUNCATION before start using a subreg.
1038
1039         * config/mips/mips.md (*branch_zero<mode>,
1040         *branch_zero<mode>_inverted, *branch_equality<mode>,
1041         *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
1042         Remove mode check from comparisons.
1043
1044 2006-01-28  Kenneth Zadeck <zadeck@naturalbridge.com>
1045
1046         * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
1047
1048 2006-01-28  Kazu Hirata  <kazu@codesourcery.com>
1049
1050         * expmed.c (const_mult_add_overflow_p): Remove.
1051         * expr.h: Remove the prototype for const_mult_add_overflow_p.
1052
1053         * recog.c (validate_replace_rtx_subexp): Remove.
1054         * recog.h: Remove the prototype for
1055         validate_replace_rtx_subexp.
1056
1057         * integrate.h: Remove the prototype for
1058         copy_decl_for_inlining.
1059         * rtl.h: Remove the prototype for mark_constant_function.
1060         * tree-vectorizer.h: Remove the prototype for
1061         vect_strip_conversion.
1062
1063         * modulo-sched.c (create_partial_schedule,
1064         free_partial_schedule, reset_partial_schedule): Make them
1065         static.
1066
1067         * hooks.c (hook_bool_rtx_int_false): Remove.
1068         * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
1069
1070 2006-01-28  David Edelsohn  <edelsohn@gnu.org>
1071
1072         * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
1073         and -mlong-double-128 are incompatible.
1074         * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
1075         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
1076         (TARGET_LIBGCC2_CFLAGS): Define.
1077         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
1078         (TARGET_LIBGCC2_CFLAGS): Same.
1079         * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
1080
1081 2006-01-28  Kazu Hirata  <kazu@codesourcery.com>
1082
1083         PR c/19606.
1084         * c-typeck.c (build_binary_op): Perform implicit casts of
1085         operands before shortening them.
1086
1087         * cfgloopmanip.c (split_loop_bb): Remove.
1088         * cfgloop.h: Remove the prototype for split_loop_bb.
1089
1090         * cfgloop.c (flow_loop_outside_edge_p): Remove.
1091         * cfgloop.h: Remove the prototype for
1092         flow_loop_outside_edge_p.
1093
1094         * emit-rtl.c (init_virtual_regs): Make it static.
1095         * function.h: Remove the prototype for init_virtual_regs.
1096
1097         * recog.c (peephole2_optimize): Make it static.
1098         * recog.h: Remove the prototype for peephole2_optimize.
1099
1100 2006-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1101
1102         * df-scan.c (df_record_entry_block_defs): Check if
1103         INCOMING_RETURN_ADDR_RTX is defined.
1104
1105 2006-01-27  Daniel Berlin  <dberlin@dberlin.org>
1106             Kenneth Zadeck <zadeck@naturalbridge.com>
1107
1108         PR rtl-optimization/24762
1109         * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
1110         * targhooks.c (hook_void_bitmap): New hook prototype.
1111         * targhoohs.h (hook_void_bitmap): Ditto.
1112         * bitmap.h (bitmap_head_def): Moved to coretypes.h.
1113         * coretypes.h (bitmap_head_def): Moved from bitmap.h.
1114         * target.h (live_on_entry): New function pointer.
1115         * df-scan.c (df_all_hard_regs): Removed.
1116         (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
1117         (df_scan_free_internal): Added df->entry_block_defs.
1118         (df_scan_alloc): Ditto.
1119         (df_scan_dump): Ditto.
1120         (df_uses_record): Plumbed flag field properly thru calls.
1121         Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
1122         This part fixes PR24762.
1123         (df_bb_refs_record): Added code to make the frame and arg
1124         pointers live in EH blocks.
1125         (df_refs_record): Added call to df_record_entry_block_defs.
1126         (df_record_entry_block_defs): New function.
1127         * df-core.c: Added comments to describe new artifical defs.
1128         * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
1129         (entry_block_defs): New field in struct df.
1130         (df_all_hard_regs): Deleted.
1131         * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
1132         * df-problems.c (df_ru_bb_local_compute_process_def):
1133         Added code to handle artifical defs in the entry to a function.
1134         (df_ru_bb_local_compute): Ditto.
1135         (df_rd_bb_local_compute_process_def):  Ditto.
1136         (df_rd_bb_local_compute): Ditto.
1137         (df_lr_bb_local_compute): Ditto.
1138         (df_ur_bb_local_compute): Ditto.
1139         (df_urec_bb_local_compute):  Ditto.
1140         (df_chain_create_bb):  Ditto.
1141         (df_ur_local_finalize): Removed entry.
1142         (df_urec_init): Ditto.
1143         (df_urec_local_finalize): Ditto.
1144         (df_ri_bb_compute): Added detection of last use of pseudos.
1145         * Makefile.in (df-scan.o): Updated dependencies.
1146         * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
1147         * config/mips/mips.c (mips_set_live_on_entry): Added.
1148         * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
1149         for target hook.
1150         * dce.c (marked_insn_p): Added code to handle artifical defs.
1151
1152 2006-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1153
1154         * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
1155         intrinsic.
1156         (_mm_cvtsi128_si64): Likewise.
1157         (_mm_cvtsd_si64): Likewise.
1158         (_mm_cvttsd_si64): Likewise.
1159         (_mm_cvtsi64_sd): Likewise.
1160         (_mm_cvtsi64_si128): Likewise.
1161         * config/i386/mmintrin.h (_m_from_int64): Likewise.
1162         (_mm_cvtsi64_m64): Likewise.
1163         (_m_to_int64): Likewise.
1164         (_mm_cvtm64_si64): Likewise.
1165         * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
1166         (_mm_cvttss_si64): Likewise.
1167         (_mm_cvtsi64_ss): Likewise.
1168         (_mm_cvtss_f32): Likewise.
1169
1170 2006-01-27  Carlos O'Donell  <carlos@codesourcery.com>
1171
1172         * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
1173         for pragma redefine_extname.
1174
1175 2006-01-27  Jakub Jelinek  <jakub@redhat.com>
1176
1177         PR target/25864
1178         * libgcc-std.ver: Add GCC_4.1.0 symbol version.
1179         * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
1180         -mno-minimal-toc to previous content.
1181         (bispecs): Remove goal.
1182         * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
1183         * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
1184         compatibility aliases on powerpc-*-*gnu*.
1185         * config/rs6000/libgcc-ppc-glibc.ver: New file.
1186         * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
1187         libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
1188         (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
1189         (ldblspecs): New goal.
1190         * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
1191         * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
1192         _df_to_tf.
1193         * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
1194         L_sf_to_tf or L_df_to_tf is defined.
1195
1196 2006-01-27  David Edelsohn  <edelsohn@gnu.org>
1197             Alan Modra  <amodra@bigpond.net.au>
1198
1199         PR target/25864
1200         * config/rs6000/linux.h (POWERPC_LINUX): Define.
1201         * config/rs6000/linux64.h (POWERPC_LINUX): Define.
1202         * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
1203         * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
1204         * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
1205         * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
1206         (rs6000_override_options): Initialize rs6000_ieeequad.
1207         Initialize TFmode format to ibm_extended_format if not
1208         TARGET_IEEEQUAD.
1209         (rs6000_handle_option): Accept -mabi= ibmlongdouble and
1210         ieeelongdouble.
1211         (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
1212         (rs6000_return_in_memory): Only return IEEEQUAD in memory.
1213         (function_arg_advance): IBM long double passed in two FPRs, not
1214         split.
1215         (function_arg): IBM long double passed in FPRs.
1216         (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
1217         (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
1218         Only multireg GPR aligned.
1219         (rs6000_init_libfuncs): Enable IBM long double functions if not
1220         IEEEQUAD.
1221         (rs6000_generate_compare): Use IBM long double compare if not
1222         TARGET_IEEEQUAD.
1223         * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
1224         (TARGET_IEEEQUAD): Define.
1225         (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
1226         not TARGET_IEEEQUAD.
1227         * config/rs6000/rs6000.md: Enable TFmode patterns if
1228         !TARGET_IEEEQUAD.
1229         * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
1230         * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
1231         and -mlong-double-128 are incompatible.
1232         * doc/invoke.texi (-mabi): Collect options together.  Add
1233         ibmlongdouble and ieeelongdouble.
1234
1235 2006-01-27  Richard Sandiford  <richard@codesourcery.com>
1236
1237         * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
1238         opaque type.
1239         * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
1240         * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
1241         (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
1242         * rtl.h (rtunion_def): Remove rt_ptr.
1243         (X0PTR): Delete.
1244         (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
1245         (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
1246         * config/i386/winnt.c (i386_pe_mark_dllexport)
1247         (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
1248
1249 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
1250
1251         * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
1252
1253 2006-01-26 Alexandre Oliva  <aoliva@redhat.com>
1254
1255         PR other/24829
1256         PR target/24831
1257         * gthr-dce.h: Do not gthrw-ify pthread_once_init,
1258         pthread_key_delete.  From John David Anglin.  gthrw-ify
1259         pthread_getunique_np only if it it's not a macro.  Delete
1260         UNUSED macro.
1261         (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
1262         __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
1263         __gthread_objc_condition_signal, __gthread_key_delete): Add
1264         "__attribute__ ((__unused__))" to unused arguments.
1265         (__gthread_recursive_mutex_init_function): Add missing return.
1266         * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
1267         gthr-posix95.h: Use macro-based approach for name redirection
1268         on targets missing weakref.
1269
1270 2006-01-26  Zack Weinberg  <zackw@panix.com>
1271
1272         * genconditions.c (write_header): In generated code, #ifdef out
1273         all includes and fake declarations, except includes of bconfig.h
1274         and system.h, unless GCC_VERSION >= 3001.  Do not include
1275         gensupport.h in any case.
1276         (write_conditions): Generate a definition of struct c_test.  Add
1277         a comment to the generated #endif.
1278         (write_one_condition): Escape backslashes in string too.
1279         (write_writer): Generated code must escape backslashes and quote
1280         marks (but not newlines) in the strings it writes.
1281         * Makefile.in (build/gencondmd.o): Update dependencies.
1282
1283 2006-01-26  Steve Ellcey  <sje@cup.hp.com>
1284
1285         PR target/25961
1286         * Makefile.in (insn-automata.o): Add header file dependencies.
1287         * genautomata.c: Add includes.
1288
1289 2006-01-26  Steve Ellcey  <sje@cup.hp.com>
1290
1291         PR target/25961
1292         * Makefile.in (insn-automata.o): Add -Wno-error flag.
1293
1294 2006-01-26  Paolo Bonzini  <bonzini@gnu.org>
1295
1296         * configure.ac: Expect target tools paths to be passed from the toplevel
1297         and wrap the detection into AS_SET_VAR_IF.  Extract side-effects out of
1298         AS_SET_VAR_IF.
1299         * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
1300
1301 2006-01-26  Alexandre Oliva  <aoliva@redhat.com>
1302
1303         PR c/25892
1304         * c.opt (Wpointer-sign): Init to -1.
1305         * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
1306         OPT_pedantic, to 0 otherwise.
1307         * doc/invoke.texi: Update.
1308
1309 2006-01-26  Paolo Bonzini  <bonzini@gnu.org>
1310
1311         * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
1312         constants provided by 80387 instructions in the destination mode.
1313
1314 2006-01-26  Richard Guenther  <rguenther@suse.de>
1315             Andrew Pinski  <pinskia@physics.uc.edu>
1316
1317         PR tree-opt/21470
1318         partial PR tree-opt/17064
1319         * tree-ssa-structalias.c (intra_create_variable_infos):
1320         Create heap variables for incoming parameters if
1321         flag_argument_noalias > 1.
1322         (find_what_p_points_to): Look through default defs of
1323         parameter decls.
1324
1325 2006-01-26  Jeff Law  <law@redhat.com>
1326
1327         PR ada/25900
1328         * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
1329         with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
1330         within the VR_RANGE, use the VR_RANGE as the result, not the
1331         VR_ANTI_RANGE.
1332         (adjust_range_with_scev): Reject ranges from SCEV which are out of
1333         bounds for the type.
1334
1335 2006-01-26  Daniel Berlin  <dberlin@dberlin.org>
1336
1337         * tree-ssa-alias.c (maybe_create_global_var): Change
1338         subvar walking to an assertion that we don't have subvar'd variables.
1339
1340 2006-01-26  Andrew Pinski  <pinskia@physics.uc.edu>
1341
1342         PR C/25861
1343         * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
1344         Use a new variable, inner.  PARM_DECLs are always non-weak.
1345
1346 2006-01-26  Shantonu Sen  <ssen@opendarwin.org>
1347
1348         * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
1349         --disable-checking.
1350
1351 2006-01-26  Adam Nemet  <anemet@caviumnetworks.com>
1352
1353         * config/mips/mips.md (*clear_upper32): New combiner pattern.
1354
1355 2006-01-26  Richard Earnshaw  <richard.earnshaw@arm.com>
1356
1357         * arm.md (smaxsi3, sminsi3): Convert to define_expand.
1358         (smax_insn, smin_insn, smax_0, smin_0): New.
1359
1360 2006-01-26  Hans-Peter Nilsson  <hp@axis.com>
1361
1362         PR target/25947
1363         * config/cris/cris.c (cris_order_for_addsi3): New function.
1364         * config/cris/cris-protos.h: Prototype it.
1365         * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
1366         (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
1367         (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
1368         (split for "op.S1 [rx=rx+i],ry (swapped)")
1369         (split for "op(s|u).S1 [rx=rx+i],ry")
1370         (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
1371         Apply cris_order_for_addsi3 when generating addsi3 insns.
1372
1373 2006-01-25  Diego Novillo  <dnovillo@redhat.com>
1374
1375         * tree.h (TREE_RANGE_CHECK): Fix range predicate.
1376         (TREE_BLOCK): Add call to EXPR_CHECK.
1377
1378 2006-01-25  Diego Novillo  <dnovillo@redhat.com>
1379
1380         PR 25886
1381         * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
1382         * tree-pretty-print.c (dump_omp_clause): Extract from ...
1383         (dump_omp_clauses): ... here.
1384         (dump_generic_node): Handle OMP_CLAUSE.
1385         * tree.c (omp_clause_num_ops): New.
1386         (omp_clause_code_name): New.
1387         (tree_code_size): Handle OMP_CLAUSE.
1388         (tree_size): Likewise.
1389         (make_node): Document handling of OMP_CLAUSE.
1390         (tree_node_structure): Handle OMP_CLAUSE.
1391         (omp_clause_check_failed): New.
1392         (omp_clause_range_check_failed): New.
1393         (omp_clause_operand_check_failed): New.
1394         (build_omp_clause): New.
1395         (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
1396         * tree.h (enum omp_clause_code): Declare.
1397         (OMP_CLAUSE_SUBCODE_CHECK): Define.
1398         (OMP_CLAUSE_RANGE_CHECK): Define.
1399         (OMP_CLAUSE_ELT_CHECK): Define.
1400         (omp_clause_check_failed): Declare.
1401         (omp_clause_operand_check_failed): Declare.
1402         (omp_clause_range_check_failed): Declare.
1403         (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
1404         (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
1405         (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
1406         (OMP_CLAUSE_LASTPRIVATE): Likewise.
1407         (OMP_CLAUSE_IF_EXPR): Likewise.
1408         (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
1409         (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
1410         (OMP_CLAUSE_REDUCTION_CODE): Likewise.
1411         (OMP_CLAUSE_REDUCTION_INIT): Likewise.
1412         (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
1413         (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
1414         Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
1415         (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
1416         (OMP_CLAUSE_DEFAULT_KIND): Likewise.
1417         (OMP_CLAUSE_CODE): Define.
1418         (OMP_CLAUSE_SET_CODE): Define.
1419         (OMP_CLAUSE_CODE): Define.
1420         (OMP_CLAUSE_OPERAND): Define.
1421         (struct tree_omp_clause): Declare.
1422         (union tree_node): Add field 'omp_clause'.
1423         * treestruct.def (TS_OMP_CLAUSE): Define.
1424         * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
1425         OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
1426         OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
1427         OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
1428         OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
1429         OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
1430         (OMP_CLAUSE): Define.
1431         * print-tree.c (print_node): Handle OMP_CLAUSE.
1432         * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
1433         * c-typeck.c: Likewise.
1434         * gimplify.c: Likewise.
1435         * c-omp.c: Likewise.
1436         * tree-nested.c: Likewise.
1437         * tree-inline.c: Likewise.
1438         * c-parser.c: Likewise.
1439         * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
1440         clauses.
1441
1442 2006-01-25  Roger Sayle  <roger@eyesopen.com>
1443
1444         PR rtl-optimization/25703
1445         * combine.c (try_combine): Handle zero_extract and strict_low_part
1446         of non-lowpart SUBREGs for constant reg_subword_p set optimization.
1447
1448 2006-01-25  Peter Bergner  <bergner@vnet.ibm.com>
1449
1450         * global.c: Fix comment typos.
1451
1452 2006-01-25  Andrew Pinski  <pinskia@physics.uc.edu>
1453
1454         PR target/25758
1455         * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
1456         Use output_addr_const instead of assemble_name.
1457
1458 2006-01-25  Paolo Bonzini  <bonzini@gnu.org>
1459
1460         * Makefile.in (sched-vis.o): Update dependencies.
1461         * haifa-sched.c (sched_finish): Clear current_sched_info.
1462         * cfg.c (dump_bb_info): New, split from dump_flow_info.
1463         (dump_flow_info): Call it.
1464         * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
1465         a slim RTL dump.
1466         * basic-block.h (dump_bb_info): Declare.
1467         * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
1468         option, and apply options only for dump files whose TDF_RTL,
1469         TDF_TREE, or TDF_IPA bits match.
1470         * rtl.h: Declare new functions exported from sched-vis.c.
1471         * sched-vis.c: Enable also if scheduling is not used.
1472         (print_value): Print the mode of registers if not inside scheduling.
1473         (print_insn): Make it work outside the scheduler.  Beautify the output
1474         a bit.
1475         (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
1476
1477 2006-01-25  Richard Sandiford  <richard@codesourcery.com>
1478
1479         * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
1480         * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
1481         a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
1482         depending on the value of CONSTANT_POOL_ADDRESS_P.
1483         * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
1484         SYMBOL_REF_DECL.
1485         * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
1486         rather than SYMBOL_REF_DECL.
1487         (rtx_constant_pool): Remove const_rtx_sym_htab.
1488         (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
1489         (init_varasm_status): Don't initialize const_rtx_sym_htab.
1490         (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
1491         Remove handling of const_rtx_sym_htab.
1492         (find_pool_constant): Delete.
1493         (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
1494         rather than find_pool_constant.
1495         (get_pool_constant_for_function): Delete.
1496         (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
1497         find_pool_constant.
1498         * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
1499         (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
1500         (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
1501         (SYMBOL_REF_CONSTANT): New macro.
1502         (get_pool_constant_for_function): Delete.
1503         * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
1504         rather than SYMBOL_REF_DECL.
1505         (i386_pe_mark_dllimport): Likewise.
1506         * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
1507         rather than SYMBOL_REF_DECL.
1508         * config/darwin.c (machopic_indirect_data_reference): Likewise.
1509         (machopic_indirect_call_target): Likewise.
1510
1511 2006-01-25  Eric Botcazou  <ebotcazou@adacore.com>
1512
1513         * flow.c (delete_noop_moves): Add missing EOL to dump message.
1514
1515 2006-01-25  Richard Sandiford  <richard@codesourcery.com>
1516
1517         * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
1518
1519 2006-01-25  Kaz Kojima  <kkojima@gcc.gnu.org>
1520
1521         * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
1522
1523 2006-01-24  David Daney  <ddaney@avtrex.com>
1524
1525         PR java/25816
1526         * configure.ac (enable_tls): New enable option.
1527         (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
1528         * configure: Regenerate.
1529         * doc/install.texi (--enable-tls): Document new option.
1530         (--disable-tls): Ditto.
1531
1532 2006-01-24  Richard Henderson  <rth@redehat.com>
1533
1534         * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
1535         * alias.c (true_dependence): Respect it.
1536         (canon_true_dependence, write_dependence_p): Likewise.
1537         * builtins.c (get_builtin_sync_mem): Set it.
1538
1539 2006-01-25  Zdenek Dvorak <dvorakz@suse.cz>
1540
1541         * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
1542         efficient way.
1543
1544 2006-01-24  DJ Delorie  <dj@redhat.com>
1545
1546         * expmed.c (store_bit_field): Don't arbitrarily deny using insv
1547         for storing constants in single-bit bitfields.
1548
1549 2006-01-25  Ben Elliston  <bje@au.ibm.com>
1550
1551         * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
1552
1553 2006-01-24  Andrew Pinski  <pinskia@physics.uc.edu>
1554
1555         PR tree-opt/25860
1556         * tree-ssa-pre.c (phi_translate): Return NULL
1557         for AGGREGATE_TYPE's.
1558
1559 2006-01-24  Zack Weinberg  <zackw@panix.com>
1560
1561         * genautomata.c (process_state_for_insn_equiv_partition):
1562         Use xcalloc for insn_arcs_array.
1563         * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
1564         (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
1565
1566 2006-01-24  Richard Henderson  <rth@redhat.com>
1567
1568         * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
1569         update all callers.
1570
1571 2006-01-23  Paolo Bonzini  <bonzini@gnu.org>
1572
1573         PR rtl-optimization/25890
1574         PR rtl-optimization/25905
1575         * combine.c (expand_compound_operation, expand_field_assignment):
1576         Fail if the bitfield's final position is out of bounds.
1577
1578 2006-01-24  Ian Lance Taylor  <ian@airs.com>
1579
1580         PR middle-end/25930
1581         * cgraphunit.c (cgraph_output_in_order): Don't clear
1582         cgraph_asm_nodes until after asm strings have been output.
1583
1584 2006-01-23  Adam Nemet  <anemet@caviumnetworks.com>
1585
1586         * fix-header.c (read_scan_file): Add new parameter imultilib when
1587         calling register_include_chains.
1588
1589 2006-01-23  Diego Novillo  <dnovillo@redhat.com>
1590
1591         * omp-low.c: Update documentation.
1592
1593 2006-01-23  Andrew Pinski  <pinskia@physics.uc.edu>
1594             Daniel Berlin  <dberlin@dberlin.org>
1595
1596         PR tree-opt/25315
1597         PR tree-opt/25857
1598         * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
1599         return from the function.
1600
1601 2006-01-22  Zack Weinberg  <zackw@panix.com>
1602
1603         * rtl.def (match_code): Add second argument.
1604         * genpreds.c (write_extract_subexp): New function.
1605         (write_match_code): Add path argument.  Use write_extract_subexp.
1606         (write_predicate_expr): Pass path to write_match_code.
1607         (mark_mode_tests): MATCH_CODE applied to a subexpression does
1608         not perform a mode test.
1609         * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
1610         a subexpression does not constrain the top-level code set.
1611         * read-rtl.c (read_rtx_variadic): New function.
1612         (read_rtx_1): Use it; allow AND and IOR to be variadic.
1613         * doc/md.texi: Document new notation.
1614         * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
1615         (cmpsi_operand): ... here, using new notation.
1616
1617 2006-01-22  Zack Weinberg  <zackw@panix.com>
1618
1619         * varray.c: Remove GENERATOR_FILE #ifdefs.
1620
1621 2006-01-22  Zack Weinberg  <zackw@panix.com>
1622
1623         * genautomata.c (output_reserved_units_table): Emit nothing if
1624         description->query_units_num is zero.  Remove extra blank line.
1625         (output_cpu_unit_reservation_p): Short circuit
1626         if description->query_units_num is zero.
1627
1628 2006-01-22  Zack Weinberg  <zackw@panix.com>
1629
1630         * genattrtab.c: Don't include genattrtab.h.  Define ATTR_NONE
1631         and ATTR_SPECIAL (from genattrtab.h).  Don't define num_dfa_decls
1632         nor any of the random handful of variables that used to be necessary
1633         when this program was linked with rtlanal.o.  Prune set of forward
1634         function declarations.
1635         (struct attr_desc): Remove static_p field.
1636         (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
1637         (check_attr_test, make_internal_attr, make_numeric_value): Make static.
1638         (attr_string): Do not read the character one past the length of
1639         the string.
1640         (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
1641         (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
1642         (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
1643         (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
1644         (make_automaton_attrs): New.
1645         (main): Do not call into genautomata.  Call local gen_bypass
1646         and gen_insn_reserv as appropriate.  Call make_automaton_attrs.
1647         Remove special case for insn_alts.
1648         * genautomata.c: Include gensupport.h; not genattrtab.h nor
1649         varray.h (leftover from previous change).  Prune set of forward
1650         function declarations.  Remove state_alts fields from all
1651         structures.  Remove state_alts_table from struct automaton.
1652         Make everything except main static.  Do not maintain num_dfa_decls.
1653         Do not maintain state_alts fields of various structures.
1654         (process_decls): Don't validate condexp for dm_insn_reserv decls.
1655         (add_arc): Remove state_alts argument.  All callers updated.
1656         (output_reserved_units_table): Emit #ifdef here...
1657         (output_tables): ...not here.  Don't generate state_alts tables.
1658         (expand_automata): Don't generate attributes.
1659         (write_automata): Don't generate state_alts functions.
1660         (main): New function.
1661         (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
1662         (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
1663         (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
1664         (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
1665         (BYPASS_P_FUNC_NAME, output_state_alts_table)
1666         (output_automata_list_state_alts_code, output_internal_state_alts_func)
1667         (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
1668         (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
1669         Delete.
1670         * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
1671         * genattrtab.h: Delete file.
1672         * Makefile.in (OBJS-common): Add insn-automata.o.
1673         (insn-automata.o): New rule.
1674         (simple_generated_c): Add insn-automata.c.
1675         (build/genattrtab.o, build/genautomata.o): Update dependencies.
1676         (genprogmd): Add automata.
1677         (build/genattrtab): Needs no extra objects nor libraries.
1678         (build/genautomata): Needs build/vec.o and -lm.
1679
1680 2006-01-22  Zack Weinberg  <zackw@panix.com>
1681
1682         * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
1683         (output_dfa_max_issue_rate, locked_states_num): Delete.
1684         (struct automaton): Add locked_states field.
1685         (output_dead_lock_vect): Save number of locked states in
1686         automaton->locked_states.  If it is zero, don't print anything.
1687         (output_max_insn_queue_index_def): Define max_insn_queue_index const.
1688         (output_internal_dead_lock_func): Only test the dead_lock_vect
1689         for automata that have locked states.
1690         (output_statistics): Always print the number of locked states for
1691         each automaton.  Calculate total number of locked states here.
1692         (write_automata): Don't call output_dfa_max_issue_rate.
1693         * genattrtab.c: Define length_unit_log as a const variable.
1694         * genattr.c: Don't emit MAX_DFA_ISSUE_RATE.  Declare
1695         max_insn_queue_index const.
1696         * final.c (length_unit_log): Declare const.
1697         * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
1698
1699 2006-01-22  Zack Weinberg  <zackw@panix.com>
1700
1701         * genautomata.c:  Include vec.h, not varray.h.
1702         Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
1703         VLA_HWINT_ macros.  Change vla_hwint_t to a typedef for
1704         VEC(vect_el_t,heap) *.  Convert all uses of VLA_* macros to
1705         VEC_* macros operating on appropriately typed vectors, or to
1706         malloced arrays when the size is known in advance.  Const-ify
1707         many char* variables and function arguments.  No functional changes.
1708         * Makefile.in (build/varray.o): Delete rule.
1709         (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
1710         (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
1711
1712 2006-01-22  Zack Weinberg  <zackw@panix.com>
1713
1714         * gensupport.c: Define get_insn_name and record_insn_name here.
1715         (read_md_rtx): Call record_insn_name as appropriate.
1716         * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
1717         * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
1718         * genpreds.c, genrecog.c: Don't define get_insn_name nor
1719         record_insn_name.
1720         * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
1721         (BUILD_VARRAY): Delete.
1722         (genprognormal): Rename genprogmd.  Fold in all programs from
1723         genprognoprint; also attrtab.
1724         (build/genattrtab): Just mention genautomata.o and varray.o.
1725         Reorganize a bit, add comments to make the categories clearer.
1726
1727 2006-01-22  Zack Weinberg  <zackw@panix.com>
1728
1729         * genconditions.c (condition_table, add_condition): Delete.
1730         (write_conditions): Don't emit n_insn_conditions nor
1731         insn_elision_unavailable.  Issue the gcc version #ifdef here,
1732         inside the table, with no #else clause ...
1733         (write_header): ...not here.
1734         (write_writer): New function.
1735         (main): Don't initialize condition_table.  Use add_c_test.
1736         Call write_writer.
1737         * gensupport.c (init_md_reader_args_cb): Handle multiple input
1738         files on the command line.
1739         (maybe_eval_c_test): Don't check insn_elision_unavailable.
1740         Return -1 if there is no entry in the table, don't abort.
1741         (add_c_test, traverse_c_tests): New functions.
1742         * gensupport.h (insn_elision_unavailable, insn_conditions)
1743         (n_insn_conditions): Delete declarations.
1744         (add_c_test, traverse_c_tests): Declare.
1745         * read-rtl.c: Include gensupport.h.
1746         (read_conditions): New function.
1747         (read_rtx): If read_rtx_1 returns 0, treat as EOF.
1748         (read_rtx_1): If we get EOF when we were looking for an initial
1749         open paren, return 0.  Call read_conditions when appropriate.
1750         * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
1751         dummy-conditions.o.  Eliminate references to insn-conditions.o,
1752         or change them to build/gencondmd.o, as appropriate.  Remove
1753         insn-constants.h from $(simple_generated_h) and insn-conditions.c
1754         from $(simple_generated_c).  For all files remaining in those
1755         two lists, add insn-conditions.md to the generator command line.
1756         Give insn-constants.h/s-constants their own rules.  Add rules
1757         for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
1758         (build/read-rtl.o): Depend on gensupport.h.
1759         (genprognormal): Include preds.
1760         (genprogearly): Rename genprognoprint; only difference is now that
1761         they don't link with $(BUILD_PRINT).
1762         * dummy-conditions.c: Delete.
1763
1764 2006-01-22  Zack Weinberg  <zackw@panix.com>
1765
1766         * genextract.c: Don't include insn-config.h.  Do include vec.h.
1767         Declare vectors of int, char, and locstr.
1768         (locstr): New typedef.
1769         (struct extraction): Make all array fields into bare pointers.
1770         (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
1771         (insn_code_number): Delete.
1772         (accum_extract): New struct.
1773         (VEC_safe_set_locstr, VEC_char_to_string): New functions.
1774         (gen_insn): Take insn_code_number as an argument.  Use an
1775         accum_extract structure instead of loading data directly into
1776         a struct extraction, and having to know how big it might get.
1777         (walk_rtx): Operate entirely on an accum_extract structure.
1778         (print_path): Avoid unnecessary use of printf.
1779         (print_header): New function, split out of main.  Distinguish
1780         more carefully between an unrecognizable insn and an insn that
1781         has the code number of a define_expand.
1782         (main): Pass insn_code_number to gen_insn.  Call print_header
1783         only after parsing.  Avoid unnecessary use of printf.
1784         * Makefile.in (build/vec.o): New rule.
1785         (build/genextract): Depend on build/vec.o.
1786         (build/genextract.o): Don't depend on insn-config.h.
1787
1788 2006-01-22  Zack Weinberg  <zackw@panix.com>
1789
1790         * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
1791         $(RUN_GEN).  Use pattern rules to factor out as much boilerplate as
1792         practical.  Eliminate per-generator-program link rules.
1793
1794 2006-01-23  Andrew Pinski  <pinskia@physics.uc.edu>
1795
1796         PR middle-end/24437
1797         * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
1798         with a call expr to ...
1799         * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
1800
1801 2006-01-23  Richard Guenther  <rguenther@suse.de>
1802
1803         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
1804         before make_edge with conditional EDGE_TRUE_VALUE.
1805
1806 2006-01-23  Steven Bosscher  <stevenb.gcc@gmail.com>
1807         Jan Hubicka  <jh@suse.cz>
1808         Richard Guenther  <rguenther@suse.de>
1809
1810         PR rtl-optimization/25654
1811         * cfgexpand.c (aggregate_contains_union_type): New function.
1812         (add_alias_set_conflicts): Call it.  Make sure to add conflicts
1813         for structure variables that contain a union type.
1814
1815 2006-01-23  Richard Sandiford  <richard@codesourcery.com>
1816
1817         * gengtype.c (new_structure): Return the structure.
1818         (create_option): Add an extra "next" argument.
1819         (create_field): New function.
1820         (adjust_field_rtx_def): Use create_option and create_field.
1821         Remove a now-unnecessary call to find_structure.
1822         (adjust_field_tree_def): Likewise.
1823         (note_yacc_type): Remove an unnecessary call to find_structure.
1824         * gengtype.h (new_structure): Return the structure.
1825         (create_option): Add an extra argument.
1826         * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
1827         (option): Adjust calls to create_option.
1828
1829 2006-01-22  David Edelsohn  <edelsohn@gnu.org>
1830
1831         * config/rs6000/aix.h (STACK_BOUNDARY): Define.
1832
1833 2006-01-22  Paul Brook  <paul@codesourcery.com>
1834         Peter Barada  <peter@the-baradas.com>
1835
1836         * config/m68k/m68k.md: Add Coldfire FPU support.
1837         Define FP mode macro and associated attributes.
1838         Use it for float mode patterns.
1839         * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
1840         (LIBCALL_VALUE): Use m68k_libcall_value.
1841         * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
1842         (m68k_function_value): Ditto.
1843         (emit_move_sequence): Ditto.
1844         * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
1845         * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
1846         * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
1847         (MULTILIB_EXCEPTIONS): Ditto.
1848         * config/m68k/m68k.opt: Add mcfv4e.
1849         * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
1850         (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
1851         (m68k_output_function_prologue): Save ColdFire FPU registers.
1852         (m68k_output_function_epilogue): Restore ColdFire FPU registers.
1853         (force_mode, fp_reg_operand, emit_move_sequence): New functions.
1854         (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
1855         ColdFire FPU registers.
1856         (m68k_libcall_value, m68k_function_value): New functions.
1857         * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
1858         (LIBCALL_VALUE): Use m68k_libcall_value.
1859         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
1860         (MASK_COLDFIRE): Add MASK_CFV4E.
1861         (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
1862         (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
1863         (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
1864         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
1865         (GO_IF_LEGITIMATE_ADDRESS): Use it.
1866         (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
1867         * doc/invoke.tex: Document -mcfv4e on m68k.
1868
1869 2006-01-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
1870
1871         * doc/contribute.texi: Change CVS to SVN and update the corresponding
1872         URL.
1873
1874 2006-01-21  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1875
1876         PR c++/16190
1877         * c-opts.c (c_common_handle_option): Don't include
1878         -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
1879         * doc/invoke.texi (C++ Dialect Options): Document that
1880         -Wnon-virtual-dtor is no longer included in -Wall.
1881
1882 2006-01-21  Joseph S. Myers  <joseph@codesourcery.com>
1883
1884         * gcov.c (print_version), gcov-dump.c (print_version),
1885         mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
1886         dates.
1887
1888 2006-01-21  Kenneth Zadeck <zadeck@naturalbridge.com>
1889
1890         * df-scan.c (problem_SCAN): Added NULL reset function.
1891         (df_scan_reset_blocks): Added code to call reset block function
1892         (df_bb_refs_delete) Fixed comment.
1893         (df_insn_refs_delete): Made tolerant of deleting non existent info
1894         for dataflow problems that need to be reset.
1895         * df-core.c (df_set_blocks): Ditto.
1896         * df.h (struct df_problem): Added reset_fun.
1897         * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
1898         problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
1899         (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
1900         functions to clear out all references to def-use or use-def chains.
1901
1902 2006-01-21  Ben Elliston  <bje@au.ibm.com>
1903
1904         * varasm.c (assemble_real): Initialise data array.
1905
1906 2006-01-20  Paul Brook  <paul@codesourcery.com>
1907
1908         Merge from csl-arm-branch.
1909         2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
1910         * config/arm/arm.md (movdi): Force operands[1] to a register
1911         if we have a non-register source.
1912         (*arm_movdi, *movdf_soft_insn): Require that one of the
1913         operands be a register.
1914         * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
1915         * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
1916
1917 2006-01-20  DJ Delorie  <dj@redhat.com>
1918
1919         * varasm.c (initialize_constant_valid_p): Allow pointers
1920         initialized from integer constants of lesser precision.
1921         (output_constant): Allow non-int-sized pointer modes to be
1922         initialized from integer constants.
1923
1924 2006-01-20  Joseph S. Myers  <joseph@codesourcery.com>
1925
1926         PR libstdc++/25524
1927         * cppdefault.h (struct default_include): Add multilib flag.
1928         * cppdefault.c (cpp_include_defaults): Set it.
1929         * c.opt (-imultilib): New option.
1930         * c-opts.c (imultilib): New.
1931         (c_common_handle_option): Handle -imultilib.
1932         (c_common_post_options): Likewise.
1933         * c-incpath.c (add_standard_paths, register_include_chains):
1934         Likewise.
1935         * c-incpath.h (register_include_chains): Add extra parameter.
1936         * gcc.c (do_spec_1): Generate -imultilib option.
1937         (The Specs Language): Update %I description.
1938         (process_command): Update copyright notice.
1939         * doc/cppopts.texi (-imultilib): Document.
1940         * doc/invoke.texi (-imultilib): Include in option summary.
1941         (%I): Update specs documentation.
1942
1943 2006-01-20  Zdenek Dvorak <dvorakz@suse.cz>
1944
1945         * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
1946
1947 2006-01-20  Richard Sandiford  <richard@codesourcery.com>
1948
1949         * stmt.c (case_bit_test_cmp): Stabilize the sort using code
1950         label numbers.
1951
1952 2006-01-20  Richard Guenther  <rguenther@suse.de>
1953         Steven Bosscher <stevenb.gcc@gmail.com>
1954
1955         PR rtl-optimization/24626
1956         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
1957         EDGE_TRUE_VALUE if in RTL mode.
1958
1959         Revert
1960         2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
1961         * cfgrtl.c (rtl_verify_flow_info_1): Fix.
1962
1963 2006-01-20  Dirk Mueller  <dmueller@suse.com>
1964
1965         PR c++/5520
1966         * c-parser.c (c_parser_if_body): Use build_empty_stmt()
1967         instead of a special NOP marker.
1968         * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
1969         NOP marker handling.
1970         * c-common.h (empty_body_warning): Add forward declaration.
1971         * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
1972         Now uses IS_EMPTY_STMT() instead of special NOP markers.
1973
1974 2006-01-20  Paul Brook  <paul@codesourcery.com>
1975
1976         * Makefile.in (lang_checks): Keep going if mkdir fails.
1977
1978 2006-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
1979
1980         * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
1981         be able to clean out basic block when not necessary.
1982         (df_scan_free): Fixed to properly delete information if df is
1983         unused before calling df_finish.
1984         (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
1985         df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
1986         or comment typos.
1987         (df_bb_refs_delete): New function.
1988         (df_refs_delete): Moved per block code to df_bb_refs_delete.
1989         * df-core.c (df_set_blocks): Added code to properly clean out
1990         unused blocks if they are not part of the blocks to consider.
1991         Added additional null check.
1992         (df_compact_blocks): Added basic block parameter to free_bb_fun to
1993         be able to clean out basic block when not necessary
1994         * df.h (df_free_bb_function): Ditto.
1995         (df_bb_refs_delete): New function.
1996         * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
1997         df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
1998         basic block parameter to be able to clean out basic block when not
1999         necessary.
2000         (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
2001         (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
2002         Fixed to properly delete information if df is unused before
2003         calling df_finish.
2004
2005 2006-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
2006
2007         PR rtl-optimization/25799
2008         * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
2009         Corrected confluence operator to remove bits from op2 before oring
2010         with op1 rather than removing bits from op1.
2011         (df_ru_transfer_function): Corrected test on wrong bitmap which
2012         caused infinite loop.  Both of these problems were introduced in
2013         the dataflow rewrite.
2014
2015 2006-01-19  DJ Delorie  <dj@redhat.com>
2016
2017         * reload1.c (find_reload_regs): Note the details of reload
2018         failures in the dump file.
2019         (spill_failure): Likewise.
2020
2021 2006-01-20  Zdenek Dvorak <dvorakz@suse.cz>
2022
2023         * loop-iv.c: Include df.h and hashtab.h.
2024         (enum iv_grd_result): New enum.
2025         (DF_REF_IV, DF_REF_IV_SET): New macros.
2026         (struct biv_entry): New.
2027         (df, bivs): New global variables.
2028         (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
2029         assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
2030         Removed.
2031         (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
2032         iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
2033         analyzed_for_bivness_p, record_biv): New functions.
2034         (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
2035         get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
2036         iv_analyze, biv_p, iv_analysis_done): Work with df representation of
2037         UD chains.
2038         (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
2039         analysed.
2040         (iv_number_of_iterations): Use new interface to iv analysis.
2041         * loop-unroll.c: Do not include varray.h.
2042         (analyze_iv_to_split_insn): Use new interface to iv
2043         analysis.
2044         * loop-unswitch.c (may_unswitch_on): Ditto.
2045         * df.c (df_bitmaps_free): Only work for bbs for that structures are
2046         allocated.
2047         (df_bb_modify): Realloc tables to the new index.
2048         (df_find_use): New function.
2049         * df.h (df_find_use): Declare.
2050         * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
2051         outmode.
2052         * cfgloop.h (struct rtx_iv): Remove analysed field.
2053         (iv_get_reaching_def): Removed.
2054         (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
2055         * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
2056         (loop-iv.o): Add df.h and hashtab.h dependency.
2057         * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
2058
2059 2006-01-20  Alan Modra  <amodra@bigpond.net.au>
2060
2061         PR target/25668
2062         * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
2063         Double TFmode.
2064         (__floatundisf, __floatundidf): Likewise.
2065         * libgcc2.h (IS_IBM_EXTENDED): Define.
2066
2067 2006-01-19  DJ Delorie  <dj@redhat.com>
2068
2069         * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
2070
2071 2006-01-19  Paul Brook  <paul@codesourcery.com>
2072
2073         * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
2074         as nothrow when unwinding tables are disabled.
2075
2076 2006-01-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2077
2078         PR testsuite/25171
2079         * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
2080         of bit-field" when in system header.
2081
2082 2006-01-19  DJ Delorie  <dj@redhat.com>
2083
2084         * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
2085         the 16 bit shift limit of the m16c.
2086
2087 2006-01-19  Andrew Pinski  <pinskia@physics.uc.edu>
2088
2089         PR target/22099
2090         * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
2091         * config/i386/i386.c (output_set_got): Output the label if we have one
2092         for the TARGET_DEEP_BRANCH_PREDICTION case.
2093
2094 2006-01-19  Jan Hubicka  <jh@suse.cz>
2095             H.J. Lu  <hongjiu.lu@intel.com>
2096             Evandro Menezes <evandro.menezes@amd.com>
2097
2098         * invoke.texi (generic): Document
2099         (i686) Update.
2100         * config.gcc: Make x86_64-* and i686-* default to generic tunning.
2101         * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
2102         TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
2103         (x86_use_incdec, x86_pad_returns): New variables
2104         (TARGET_CPU_DEFAULT_generic): New constant
2105         (TARGET_CPU_DEFAULT_NAMES): Add generic.
2106         (enum processor_type): Add generic32 and generic64.
2107         * i386.md (cpu attribute): Add generic32/generic64
2108         (movhi splitter): Behave sanely when both partial_reg_dependency and
2109         partial_reg_stall are set.
2110         (K8 splitters): Enable for generic as well.
2111         * predicates.md (incdec_operand): Use TARGET_INCDEC
2112         (aligned_operand): Avoid memory mismatch stalls.
2113         * athlon.md: Enable for generic64, new patterns for 128bit moves.
2114         * ppro.md: Enable for generic32
2115         * i386.c (generic64_cost, generic32_cost): New.
2116         (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
2117         (x86_use_leave): Enable for generic64.  (x86_use_sahf,
2118         x86_ext_80387_constants): Enable for generic32.  (x86_push_memory,
2119         x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
2120         x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
2121         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
2122         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2123         x86_accumulate_outgoing_args, x86_prologue_using_move,
2124         x86_epilogue_using_move, x86_arch_always_fancy_math_387,
2125         x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
2126         Enable for generic.
2127         (x86_use_incdec, x86_pad_returns): New.
2128         (override_options): Add generic32 and generic64, translate "generic"
2129         to generic32/generic64 and "i686" to "generic32", refuse
2130         "generic32"/"generic64" as arch target.
2131         (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
2132         (ix86_reorg): Honor PAD_RETURNS.
2133
2134 2006-01-19  Diego Novillo  <dnovillo@redhat.com>
2135
2136         * tree-pretty-print.c (dump_generic_node): Handle
2137         OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
2138         * cgraph.c (cgraph_expand_queue): Rename from
2139         cgraph_analyze_queue.  Update all users.
2140         * cgraphunit.c (cgraph_assemble_pending_functions): Process
2141         cgraph_expand_queue.
2142         (cgraph_expand_all_functions): Likewise.
2143         (cgraph_finalize_pending_functions): Remove.  Update callers.
2144
2145         * tree.h (OMP_DIRECTIVE_P): Define.
2146         (OMP_PARALLEL_FN): Define.
2147         (OMP_PARALLEL_DATA_ARG): Define.
2148         (OMP_SECTIONS_SECTIONS): Define.
2149         * tree-pass.h (pass_expand_omp): Declare.
2150         * omp-low.c (struct omp_region): Declare.
2151         (struct omp_context): Remove fields 'parallel_type',
2152         'parallel_start_ix' and 'parallel_start_additional_args'.
2153         Update all users.
2154         (struct omp_for_data): Rename from struct expand_omp_for_data.
2155         (omp_regions): New static variable.
2156         (root_omp_region): New static variable.
2157         (find_omp_clause): Make static.
2158         (is_in_combined_parallel_ctx): Remove.
2159         (is_combined_parallel): New.
2160         (extract_omp_for_data): Move earlier in the file.
2161         (workshare_safe_to_combine_p): New.
2162         (get_ws_args_for): New.
2163         (determine_parallel_type): Move earlier in the file.
2164         (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
2165         child function.
2166         (omp_copy_decl): Likewise.
2167         (create_omp_child_function): Likewise.
2168         (lookup_omp_region): New.
2169         (dump_omp_region): New.
2170         (debug_omp_region): New.
2171         (debug_all_omp_regions): New.
2172         (new_omp_region): New.
2173         (scan_omp_parallel): If parallel_nesting_level > 1, the
2174         directive is nested within another parallel directive.
2175         Set OMP_PARALLEL_FN.
2176         (scan_omp_for): Do not try to handle combined parallel+for
2177         cases.
2178         Remove FIXME comment.
2179         (scan_omp_nested): Remove.
2180         (scan_omp_1): Do not call scan_omp_nested when
2181         parallel_nesting_level is > 1.
2182         Do not change the DECL_CONTEXT of local variables found.
2183         (lookup_decl_in_outer_ctx): New.
2184         (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
2185         (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
2186         (lower_reduction_clauses): Rename from expand_reduction_clauses.
2187         (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
2188         If CTX is nested, lookup VAR in the outer context when
2189         building copy assignment.
2190         (lower_send_clauses): Rename from expand_send_clauses.
2191         If CTX is nested, lookup VAR in the outer context when
2192         building copy assignments.
2193         (lower_send_shared_vars): Rename from expand_send_shared_vars.
2194         If CTX is nested, lookup VAR in the outer context when
2195         building copy assignments.
2196         (expand_parallel_call): Rename from build_parallel_call.
2197         Handle combined parallel+workshare cases.
2198         Re-implement to emit code into the CFG.
2199         (list2chain): New.
2200         (expand_omp_parallel): Re-implement to emit code into the CFG.
2201         Call move_sese_region_to_fn to outline the sub-graph
2202         containing the parallel region.
2203         (expand_omp_for_1): Remove.
2204         (expand_omp_for_generic): Re-implement to emit code into the
2205         CFG.
2206         (expand_omp_for_static_nochunk): Likewise.
2207         (expand_omp_for_static_chunk): Likewise.
2208         (expand_omp_for): Likewise.
2209         (expand_omp_sections): Likewise.
2210         (remove_exit_barriers): New.
2211         (expand_omp_synch): New.
2212         (expand_omp): New.
2213         (build_omp_regions_1): New.
2214         (build_omp_regions): New.
2215         (execute_expand_omp): New.
2216         (gate_expand_omp): New.
2217         (pass_expand_omp): Define.
2218         (lower_omp_sections): Rename from expand_omp_sections.
2219         Set OMP_SECTIONS_SECTIONS.
2220         (lower_omp_single_simple): Rename from expand_omp_single_simple.
2221         (lower_omp_single_copy): Rename from expand_omp_single_copy.
2222         (lower_omp_single): Rename from expand_omp_simple.
2223         (lower_omp_master): Rename from expand_omp_master.
2224         (lower_omp_ordered): Rename from expand_omp_ordered.
2225         (lower_omp_critical): Rename from expand_omp_critical.
2226         (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
2227         (lower_omp_for): Re-implement.
2228         (lower_omp_parallel): Re-implement.
2229         (lower_regimplify): Rename from expand_regimplify.
2230         (lower_omp_1): Rename from expand_omp_1.
2231         If there are syntax errors in the program, replace every
2232         OpenMP directive with NOP.
2233         Call lower_omp_* instead of expand_omp_*.
2234         (lower_omp): Rename from expand_omp.
2235
2236         * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
2237         * tree-gimple.h (enum omp_parallel_type): Remove.
2238         (gimple_boolify): Declare extern.
2239         (find_omp_clause, determine_parallel_type): Remove.
2240
2241         * gimple-low.c (lower_omp_directive): New.
2242         (lower_stmt): Call it.
2243         (record_vars_into): Move from ...
2244         (record_vars): ... here.
2245         Call record_vars_into with current_function_decl.
2246
2247         * gimplify.c (struct gimplify_ctx): Remove fields
2248         combined_pre_p and combined_ctxp.  Update users.
2249         (get_formal_tmp_var): Add documentation.
2250         (gimple_boolify): Make extern.
2251         (gimplify_expr_in_ctx): Remove.  Update callers.
2252         (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
2253         will always be a BIND_EXPR.
2254         (gimplify_expr): Handle OMP_RETURN_EXPR.
2255         * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
2256         (OMP_PARALLEL): Add 3 operands.
2257         (OMP_SECTIONS): Add 1 operand.
2258         (OMP_RETURN_EXPR): Define.
2259
2260         * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
2261         (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
2262         * tree-iterator.c (alloc_stmt_list): Assert that we are not
2263         creating a circular free list.
2264         (free_stmt_list): Assert that we are not freeing stmt_list_cache.
2265
2266         * tree-flow.h (move_sese_region_to_fn): Declare.
2267         (record_vars_into): Declare.
2268         * tree-cfg.c (make_omp_sections_edges): New.
2269         (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
2270         OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
2271         OMP_SECTIONS and OMP_SECTION.
2272         (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
2273         (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
2274         (verify_stmt): Do not handle OMP_DIRECTIVE_P.
2275         (gather_blocks_in_sese_region): New.
2276         (struct move_stmt_d): Declare.
2277         (move_stmt_r): New.
2278         (move_block_to_fn): New.
2279         (move_sese_region_to_fn): New.
2280
2281         * passes.c (init_optimization_passes): Schedule
2282         pass_expand_omp after pass_init_datastructures.
2283
2284         * tree-ssa-operands.c (get_expr_operands): Handle
2285         OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
2286         OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
2287
2288 2006-01-19  Jeff Law  <law@redhat.com>
2289
2290         * tree-vrp.c (extract_range_from_assert): Refine the result range
2291         if the variable referenced by the ASSERT_EXPR has a range and
2292         either the tentative result range or the previous range is a
2293         VR_ANTI_RANGE.
2294
2295 2006-01-19  Richard Sandiford  <richard@codesourcery.com>
2296
2297         * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
2298
2299 2006-01-19  Jan Hubicka  <jh@suse.cz>
2300
2301         * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
2302
2303 2006-01-19  Paolo Bonzini  <bonzini@gnu.org>
2304
2305         * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
2306         (expand_compound_operation, expand_field_assignment): Fail if the
2307         bit lengths of an extract operation are out of range.
2308         (make_extraction): Compute wanted_inner_mode based on the position
2309         and length of the extraction.  Make it extraction_mode for non-constant
2310         positions, and do not modify offset in that case.  When generating a
2311         new MEM, use a mode that can hold the extraction while keeping correct
2312         alignment.  Remove code that supported MEMs wrapped by USEs.
2313         (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
2314
2315 2006-01-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2316
2317         * config/s390/s390.md ("Y", "y"): New mode attribute.
2318         ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
2319         "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
2320         "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
2321         "*addsi3_imm_cc", "*addsi3_carry1_cc",
2322         "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
2323         "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
2324         "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
2325         "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
2326         "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
2327         "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
2328         "addsi3", "subsi3"): Insn patterns removed.
2329         ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
2330         "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
2331         "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
2332         "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
2333         "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
2334         "*sub<mode>3_cconly2"): New insn patterns.
2335         ("addsi3", "subsi3"): New expanders.
2336
2337 2006-01-19  Dorit Nuzman  <dorit@il.ibm.com>
2338
2339         * Makefile.in (tree-vect-patterns.o): Add rule for new file.
2340         * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
2341         existing STMT_VINFO_VECTYPE if available.
2342         (vect_mark_relevant): Add special handling for stmts that are
2343         marked as STMT_VINFO_IN_PATTERN_P.
2344         (vect_analyze_loop): Call vect_pattern_recog.
2345         * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
2346         * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
2347         stmt_info.
2348         (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
2349         (vect_recog_func_ptr): New function-pointer type.
2350         * tree-vect-patterns.c: New file.
2351         (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
2352         (vect_recog_dot_prod_pattern, vect_pattern_recog):
2353         (vect_pattern_recog_1): New functions.
2354         (vect_pattern_recog_funcs): New array of function pointers.
2355
2356         * tree-vectorizer.h (ternary_op): New enum value.
2357         * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
2358         declaration. Revised documentation. Removed redundant dump prints.
2359         Removed redundant argument. Added support for reduction patterns.
2360         (vectorizable_reduction): Added support for reduction patterns.
2361         (vect_transform_stmt): Added support for patterns.
2362
2363         * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
2364         * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
2365         * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
2366         (expand_widen_pattern_expr): New function.
2367         (init_optabs): Initialize new optabs udot_prod_optab,
2368         sdot_prod_optab.
2369         * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
2370         (sdot_prod_optab, udot_prod_optab): Define new optabs.
2371         (expand_widen_pattern_expr): New function declaration.
2372         * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
2373         tree-codes.
2374         * tree-inline.c (estimate_num_insns_1): Added cases for new
2375         tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
2376         * tree-pretty-print.c (dump_generic_node): Likewise.
2377         (op_prio): Likewise.
2378         (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
2379         * tree-ssa-operands.c (get_expr_operands): Added case for
2380         DOT_PROD_EXPR.
2381         * tree-vect-patterns.c (widened_name_p): New function.
2382         (vect_recog_dot_prod_pattern): Added function implementation.
2383         * tree-vect-transform.c (get_initial_def_for_reduction): Added
2384         cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
2385         * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
2386         * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
2387
2388         * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
2389         * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
2390         * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
2391         (init_optabs): Initialize new optabs widen_ssum_optab,
2392         widen_usum_optab.
2393         * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
2394         (widen_ssum_optab, widen_usum_optab): Define new optabs.
2395         * tree-vect-generic.c: (expand_vector_operations_1): Check type of
2396         use instead of type of def.
2397         * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
2398         function implementation.
2399         * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
2400         widen_ssumv8hi): New.
2401
2402         * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
2403         patterns.
2404
2405 2006-01-19  Richard Sandiford  <richard@codesourcery.com>
2406
2407         PR c/25805
2408         * c-decl.c (add_flexible_array_elts_to_size): New function.
2409         (finish_decl): Use it.
2410
2411 2006-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
2412
2413         * diagnostic.h: Include options.h.
2414         * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
2415         dependancies for diagnostic.h.
2416         * Makefile.in (DIAGNOSTIC_H): Add options.h.
2417
2418 2006-01-16  Daniel Berlin  <dberlin@dberlin.org>
2419
2420         * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
2421         (ssa_ro_call_cache_valid): Ditto.
2422         * tree-ssa-alias.c (sort_tags_by_id): New function.
2423         (init_transitive_clobber_worklist): Ditto.
2424         (add_to_worklist): Ditto.
2425         (mark_aliases_call_clobbered): Ditto.
2426         (compute_tag_properties): Ditto.
2427         (set_initial_properties): Ditto.
2428         (compute_call_clobbered): Ditto.
2429         (compute_may_aliases):  Call compute_call_clobbered and grouping.
2430         (compute_flow_sensitive_aliasing): Remove clobbering related code.
2431         (compute_flow_insensitive_aliasing): Grouping now happens in our
2432         caller.
2433         (setup_pointers_and_addressables): Remove clobbering related code.
2434         (add_may_alias): Ditto.
2435         (replace_may_alias): Ditto.
2436         (get_nmt_for): Ditto.
2437         (create_global_var):
2438         (is_escape_site): Return an escape_type enumeration.
2439         * tree-flow-inline.h (is_call_clobbered):  Global var does not
2440         imply call clobbered.
2441         (mark_call_clobbered): Take a reason for marking this. Remove
2442         marking of globalness, and cache invalidation.
2443         (clear_call_clobbered): Remove cache invalidation code.
2444         * tree-dfa.c (dump_variable): If details is on, dump the reason
2445         for escaping.
2446         * tree-outof-ssa.c (create_temp): Copy escape mask from original
2447         variable.
2448         * tree-flow.h (struct ptr_info_def): Add escape mask member.
2449         (struct var_ann_d): Ditto.
2450         (enum escape_type): New.
2451         (mark_call_clobbered): Adjust prototype.
2452         * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
2453         are never call clobbered.
2454         Record reasons for escaping.
2455         * tree-ssa-structalias.h (is_escape_site): Update prototype.
2456         * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
2457         (ssa_ro_call_cache_valid): Ditto.
2458         (clobbered_v_may_defs): Ditto.
2459         (clobbered_vuses): Ditto.
2460         (ro_call_vuses): Ditto.
2461         (clobber_stats): New.
2462         (init_ssa_operands): Zero out clobber stats.
2463         (fini_ssa_operands): Print out clobber stats.
2464         (get_call_expr_operands): Pass callee fndecl to
2465         add_call_read_ops).
2466         (add_call_clobber_ops): Remove use of cache.
2467         Add use of PURE_CONST information.
2468         (add_call_read_ops): Remove use of cache.
2469         Add use of static not_read information.
2470
2471 2006-01-18  Alexandre Oliva  <aoliva@redhat.com>
2472
2473         Introduce TLS descriptors for i386 and x86_64.
2474         * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
2475         (TARGET_ANY_GNU_TLS): New macro.
2476         (enum tls_dialect): Added TLS_DIALECT_GNU2.
2477         (struct machine_function): Add tls_descriptor_call_expanded_p.
2478         (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
2479         (ix86_current_function_calls_tls_descriptor): Likewise.
2480         * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
2481         (override_options): Introduce gnu2 tls dialect.
2482         (ix86_frame_pointer_required): Functions containing TLSCALLs are
2483         not leaves.
2484         (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
2485         Likewise.
2486         (legitimize_tls_address): Adjust logic for GNU2 TLS.
2487         (ix86_init_machine_status): Initialize new field.
2488         (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
2489         (ix86_tls_module_base): New.
2490         * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
2491         * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
2492         (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
2493         (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
2494         (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
2495         (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
2496         (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
2497         (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
2498         * config/i386/predicates.md (tls_modbase_operand): New.
2499         (tp_or_register_operand): New.
2500
2501 2006-01-18  Daniel Berlin  <dberlin@dberlin.org>
2502
2503         * ipa-reference.c (check_operand):  Allow FUNCTION_DECL.
2504         (look_for_address_of): Ditto.
2505         (ipa_init): Walk the function decls.
2506         (static_execute): Don't set readonly on FUNCTION_DECL's.
2507
2508 2006-01-18  Roger Sayle  <roger@eyesopen.com>
2509
2510         * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
2511         for shifts where the source and destination registers are different.
2512
2513 2006-01-18  Paul Brook  <paul@codesourcery.com>
2514
2515         Merge from csl-arm-branch.
2516         2005-03-14  Julian Brown  <julian@codesourcery.com>
2517         * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
2518         (aeabi_llsl): Likewise.
2519         (ashrdi3): Likewise.
2520         (aeabi_lasr): Likewise.
2521         (lshrdi3): Likewise.
2522         (aeabi_llsr): Likewise.
2523         2005-03-10  Julian Brown  <julian@codesourcery.com>
2524         * config.gcc: Disable shared libgcc for SymbianOS.
2525         * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
2526
2527 2006-01-18  DJ Delorie  <dj@redhat.com>
2528
2529         * c-pragma.c (handle_pragma_diagnostic): New.
2530         (init_pragma): Register it.
2531         * doc/extend.texi: Document it.
2532
2533         * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
2534         * diagnostic.h (diagnostic_classify_diagnostic): Declare.
2535         (diagnostic_context): Add classify_diagnostic[].
2536         * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
2537         as errors if they're overridden to DK_WARNING.
2538         (diagnostic_initialize): Initialize classify_diagnostic[].
2539         (diagnostic_set_kind_override): New.
2540         (diagnostic_report_diagnostic): Check for kind changes.
2541         * opts.c (common_handle_option): Take lang_mask.  Update callers.
2542         Handle OPT_Werror_.
2543         * common.opt (Werror=): New.
2544         * doc/invoke.texi: Document -Werror=*
2545
2546 2006-01-18  Jeff Law  <law@redhat.com>
2547
2548         * tree-vrp.c (test_for_singularity): Correct test for new
2549         min limit.  Use operand_equal_p rather than pointer equality
2550         for testing if new min/max values are equal.
2551
2552         * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
2553         using range information until after propagation and folding.
2554
2555 2006-01-18  Richard Henderson  <rth@redhat.com>
2556             Aldy Hernandez  <aldyh@redhat.com>
2557             Jakub Jelinek  <jakub@redhat.com>
2558             Diego Novillo  <dnovillo@redhat.com>
2559
2560         * omp-low.c: New file.
2561         * c-omp.c: New file.
2562
2563 2006-01-18  Richard Henderson  <rth@redhat.com>
2564             Jakub Jelinek  <jakub@redhat.com>
2565             Diego Novillo  <dnovillo@redhat.com>
2566
2567         * doc/invoke.texi: Document -fopenmp.
2568         * tree-dump.h (debug_function): Declare.
2569         * hooks.c (hook_bool_tree_bool_false): New function.
2570         (hook_tree_tree_null): Remove.
2571         (hook_tree_tree_tree_null): New.
2572         * hooks.h: Update to match.
2573         * tree-pretty-print.c (debug_tree_chain): New.
2574         (print_generic_expr): Handle TDF_CHAIN.
2575         (dump_generic_node): Handle BLOCK.
2576         Do not abort with incomplete SWITCH_EXPRs.
2577         Do not dump body of an OpenMP directive if TDF_SLIM is given.
2578         <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
2579         print space after directive name.
2580         <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
2581         Handle OMP_MASTER and OMP_ORDERED.
2582         Handle printing of OMP_BODY just in one place, goto
2583         dump_omp_body in the rest of OMP_* nodes that have
2584         OMP_BODY.
2585         Don't handle clause nodes here.  Update omp statements to
2586         use dump_omp_clauses.
2587         Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
2588         OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
2589         OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
2590         GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
2591         GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
2592         GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
2593         Adjust output for GOMP_PARALLEL.
2594         (dump_omp_clauses): New.
2595         (print_declaration): Dump DECL_VALUE_EXPR.
2596         (op_symbol_1): Split out of op_symbol.
2597         (dumping_stmts): Remove.  Update all users.
2598         * cgraph.c (cgraph_analyze_queue): New.
2599         (cgraph_add_new_function): New.
2600         * cgraph.h (cgraph_analyze_queue): Declare.
2601         (cgraph_add_new_function): Declare.
2602         (cgraph_lower_function): Remove.
2603         * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
2604         nodes.  Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
2605         and TYPE_P nodes in its default clause.
2606         (empty_body_p): New.
2607         (tree_range_check_failed): New.
2608         (build5_stat): New.
2609         * tree.h (OMP_CLAUSE_REDUCTION_INIT,
2610         OMP_CLAUSE_REDUCTION_MERGE,
2611         OMP_CLAUSE_REDUCTION_PLACEHOLDER,
2612         OMP_CLAUSE_PRIVATE_DEBUG,
2613         OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
2614         OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
2615         OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
2616         OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
2617         OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
2618         OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
2619         OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
2620         OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
2621         OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
2622         OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
2623         OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
2624         OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
2625         OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
2626         OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
2627         (TREE_RANGE_CHECK): New.
2628         (empty_body_p): Declare.
2629         (enum omp_clause_default_kind): New.
2630         (build_string_literal): Declare.
2631         (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
2632         (build5_stat, build5): Declare.
2633         * tree-pass.h (TDF_CHAIN): Define.
2634         * tree-pass.h (PROP_gimple_lomp): Define.
2635         (pass_lower_omp): Declare.
2636         * diagnostic.h (debug_tree_chain): Declare.
2637         * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
2638         mode_for_size.
2639         (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
2640         * builtins.c (build_string_literal): Make extern.
2641         * gcc.c (include_spec_function): New.
2642         (static_spec_functions): Add it.
2643         (main): Move load of libgomp.spec ...
2644         (LINK_COMMAND_SPEC): ... here.
2645         (link_gomp_spec): New.
2646         (static_specs): Include it.
2647         (LINK_COMMAND_SPEC): Add link_gomp.
2648         (GOMP_SELF_SPECS): New.
2649         (driver_self_specs): Include it.
2650         (switch_matches): Don't mark inline.
2651         (main): Load libgomp.spec.
2652         * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
2653         OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
2654         and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
2655         * tree-gimple.h (enum omp_parallel): Declare.
2656         (determine_parallel_type): Declare.
2657         (omp_firstprivatize_variable): Declare.
2658         (omp_reduction_init): Declare.
2659         (diagnose_omp_structured_block_errors): Declare.
2660         (struct walk_stmt_info): Add want_return_expr.
2661         (struct walk_stmt_info): Add want_bind_expr, want_locations.
2662         (find_omp_clause): Declare.
2663         (insert_field_into_struct): Declare.
2664         (struct walk_stmt_info): Move from tree-nested.c
2665         (walk_stmts): Declare.
2666         * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
2667         to 200505.
2668         * cgraphunit.c (cgraph_lower_function): Make static.
2669         (cgraph_finalize_pending_functions): New.
2670         (cgraph_finalize_function): Call it.
2671         (cgraph_finalize_compilation_unit): Likewise.
2672         * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
2673         BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
2674         (BT_FN_UINT_UINT): New.
2675         (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
2676         DEF_FUNCTION_TYPE_VAR_4): Document.
2677         (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
2678         BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
2679         BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
2680         BT_FN_VOID_OMPFN_PTR_UINT_UINT,
2681         BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
2682         BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
2683         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
2684         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
2685         * builtins.def: Update DEF_BUILTIN comment to include COND argument.
2686         Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
2687         into separate files.
2688         (DEF_GOMP_BUILTIN): New.
2689         (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
2690         BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
2691         BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
2692         BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
2693         BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
2694         BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
2695         BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
2696         BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
2697         BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
2698         BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
2699         BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
2700         BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
2701         BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
2702         BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
2703         BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
2704         BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
2705         BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
2706         BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
2707         BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
2708         BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
2709         BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
2710         BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
2711         BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
2712         BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
2713         BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
2714         BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
2715         * sync-builtins.def: New file, moved from builtins.def.
2716         * omp-builtins.def: New file, moved from builtins.def.
2717         * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
2718         * gimple-low.c (lower_function_body): Clear data.
2719         (lower_stmt): Do not handle COMPOUND_EXPR.
2720         Remove call to print_node_brief.
2721         * c-tree.h (c_finish_omp_clauses): New prototype.
2722         (C_DECL_THREADPRIVATE_P): Define.
2723         (lookup_name_no_remap, c_omp_remap_private): Remove
2724         (c_begin_omp_parallel, c_finish_omp_parallel): Update.
2725         (check_for_loop_decls): Update decl.
2726         (lookup_name_no_remap, c_omp_remap_private): Declare.
2727         (build_indirect_ref, build_modify_expr, pushdecl,
2728         pushdecl_top_level): Move to c-common.h.
2729         * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
2730         before the switch, but just in the 2 places that need it.
2731         * c-decl.c (diagnose_mismatched_decls): Do not check for
2732         mismatched thread-local attributes when OLDDECL is marked
2733         threadprivate and NEWDECL has no thread-local attributes.
2734         (merge_decls): Merge C_DECL_THREADPRIVATE_P.
2735         (c_gimple_diagnostics_recursively): Rename from
2736         c_warn_unused_result_recursively.  Invoke
2737         diagnose_omp_structured_block_errors.
2738         (check_for_loop_decls): Return a singular decl found.
2739         * langhooks.c (lhd_omp_predetermined_sharing): Return
2740         OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
2741         (lhd_omp_firstprivatize_type_sizes): New.
2742         (lhd_omp_assignment): New.
2743         (lhd_omp_predetermined_sharing): New.
2744         * langhooks.h (struct gimplify_omp_ctx): Forward declare.
2745         (struct lang_hooks_for_types): Add
2746         omp_firstprivatize_type_sizes, omp_privatize_by_reference,
2747         omp_predetermined_sharing, omp_disregard_value_expr,
2748         omp_private_debug_clause, omp_clause_default_ctor,
2749         omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
2750         (c_finish_omp_clauses): New.
2751         (c_finish_bc_stmt): Diagnose break within omp for.
2752         (c_begin_omp_parallel, c_finish_omp_parallel): New.
2753         (build_unary_op): Return error_mark after reporting
2754         a readonly_error.
2755         (build_modify_expr): Likewise.
2756         * gimplify.c: Include optabs.h and pointer-set.h.
2757         (enum gimplify_omp_var_data): Declare.
2758         (struct gimplify_omp_ctx): Declare.
2759         (struct gimplify_ctx): Add fields prev_context, combined_pre_p
2760         and combined_ctxp.
2761         (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
2762         (push_gimplify_context, pop_gimplify_context): Allow nesting.
2763         (splay_tree_compare_decl_uid): New.
2764         (new_omp_context): New.
2765         (delete_omp_context): New.
2766         (gimple_add_tmp_var): Call omp_add_variable.
2767         (gimplify_bind_expr): Likewise.
2768         (gimplify_var_or_parm_decl): If omp_notice_variable returned
2769         true, disregard DECL_VALUE_EXPR on the decl if any.
2770         (gimplify_expr_in_ctx): New.
2771         (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
2772         omp_add_variable, omp_notice_variable, omp_is_private
2773         gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
2774         gimplify_adjust_omp_clauses, gimplify_omp_parallel
2775         gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
2776         gimplify_omp_atomic_fetch_op, goa_stabilize_expr
2777         gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
2778         gimplify_omp_atomic): New.
2779         (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
2780         OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
2781         OMP_CRITICAL and OMP_ATOMIC.
2782         (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
2783         * c-pragma.h (enum pragma_kind): Add
2784         PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
2785         PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
2786         PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
2787         PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
2788         PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
2789         PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
2790         PRAGMA_OMP_THREADPRIVATE.
2791         * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
2792         OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
2793         OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
2794         OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
2795         OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
2796         OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
2797         OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
2798         OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
2799         OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
2800         * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
2801         * tree-ssa-dce.c (find_control_dependence): Do not assume that
2802         ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
2803         * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
2804         OpenMP directives.
2805         (struct nesting_info): Add field_map,
2806         suppress_expansion, debug_var_chain.
2807         (create_nesting_tree): Initialize them.
2808         (lookup_field_for_decl): Use field_map.
2809         (get_nonlocal_debug_decl, get_local_debug_decl): New.
2810         (convert_local_omp_clauses): New.
2811         (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
2812         (walk_body): Split out of walk_function.
2813         (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
2814         (convert_nonlocal_reference): Handle omp statements.
2815         (convert_local_reference): Likewise.
2816         (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
2817         (unnest_nesting_tree): New.
2818         (lower_nested_functions): Call it.
2819         (insert_field_into_struct): Make extern.
2820         (struct walk_stmt_info): Move to tree-gimple.h.
2821         (walk_stmts): Make extern.
2822         * omp-builtins.def: New file.
2823         * tree-iterator.c (expr_only): Clarify comment.
2824         * c-common.h (pushdecl_top_level, pushdecl,
2825         build_modify_expr, build_indirect_ref,
2826         c_finish_omp_master, c_finish_omp_critical,
2827         c_finish_omp_ordered, c_finish_omp_barrier,
2828         c_finish_omp_atomic, c_finish_omp_flush,
2829         c_finish_omp_for, c_split_parallel_clauses,
2830         omp_clause_default_kind, c_omp_sharing_predetermined,
2831         c_omp_remap_decl): Declare.
2832         * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
2833         (OBJS-common): Add omp-low.o.
2834         (c-omp.o, omp-low.o): Add.
2835         (gimplify.o): Add dependency on $(OPTABS_H).
2836         (GTFILES): Add omp-low.c.
2837         (gt-stringpool.h): Add.
2838         * tree-cfg.c (set_bb_for_stmt): Do not update the
2839         block-to-labels map if we are currently expanding to RTL.
2840         (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
2841         checks.
2842         Handle IDENTIFIER_NODE.
2843         (tree_verify_flow_info): Do not ICE when emitting error
2844         messages about invalid labels.
2845         (dump_function_to_file): Reset CFUN before emitting the body
2846         of the function.
2847         (debug_function): New.
2848         * passes.c (init_optimization_passes): Schedule
2849         pass_lower_omp.
2850         * langhooks-def.h (lhd_omp_predetermined_sharing,
2851         lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
2852         Declare.
2853         (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
2854         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
2855         (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
2856         LANG_HOOKS_OMP_PREDETERMINED_SHARING,
2857         LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
2858         LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
2859         LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
2860         LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
2861         LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
2862         LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
2863         (LANG_HOOK_DECLS): Use them.
2864
2865 2006-01-18  Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
2866             Richard Henderson  <rth@redhat.com>
2867             Jakub Jelinek  <jakub@redhat.com>
2868             Diego Novillo  <dnovillo@redhat.com>
2869
2870         * c-parser.c (pragma_omp_clause): Define.
2871         (c_parser_declaration_or_fndef): Document OpenMP syntax.
2872         (c_parser_compound_statement): Likewise.
2873         (c_parser_statement): Likewise.
2874         (c_parser_pragma): Handle omp pragmas.
2875         (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
2876         OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
2877         (c_parser_omp_clause_name, check_no_duplicate_clause,
2878         c_parser_omp_variable_list,
2879         c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
2880         c_parser_omp_clause_copyprivate,
2881         c_parser_omp_clause_default,
2882         c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
2883         c_parser_omp_clause_lastprivate,
2884         c_parser_omp_clause_nowait,
2885         c_parser_omp_clause_num_threads,
2886         c_parser_omp_clause_ordered, c_parser_omp_clause_private,
2887         c_parser_omp_clause_reduction,
2888         c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
2889         c_parser_omp_all_clauses, c_parser_omp_structured_block,
2890         c_parser_omp_atomic, c_parser_omp_barrier,
2891         c_parser_omp_critical, c_parser_omp_flush,
2892         c_parser_omp_for_loop, c_parser_omp_for,
2893         c_parser_omp_master, c_parser_omp_ordered,
2894         c_parser_omp_sections_scope, c_parser_omp_sections,
2895         c_parser_omp_parallel, c_parser_omp_single,
2896         c_parser_omp_construct, c_parser_omp_threadprivate): New.
2897         * c-pragma.c (init_pragma): Do omp pragma registration here.
2898         * c.opt (fopenmp): New flag.
2899
2900 2006-01-18  Eric Christopher  <echristo@apple.com>
2901
2902         * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
2903         * config/darwin.h (GOMP_SELF_SPECS): Define.
2904
2905 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
2906
2907         * rtl.h: Remove the prototype for reg_alloc.
2908
2909 2006-01-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2910
2911         PR target/25731
2912         * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
2913         hppa[12]*-*-hpux11*): Override default shared libgcc version for both
2914         sjlj and dwarf2 exception handling.
2915         * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
2916         Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
2917         * pa/pa.c (function_value): Treat complex and vector types as
2918         aggregates.
2919         (function_arg): Likewise.  Only pass scalar floats in the floating
2920         point argument registers.
2921         * pa/t-slibgcc-dwarf-ver: New file.
2922         * pa/t-slibgcc-sjlj-ver: New file.
2923         * pa/t-slibgcc-elf-ver: Delete file.
2924
2925 2006-01-19  Alan Modra  <amodra@bigpond.net.au>
2926
2927         * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
2928         unlikely_test_section_p test.
2929
2930 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
2931
2932         * mode-switching.c (optimize_mode_switching): Make it static.
2933         * basic-block.h: Remove the prototype for
2934         optimize_mode_switching.
2935
2936         * modulo-sched.c (sms_schedule): Make it static.
2937         * rtl.h: Remove the prototype for sms_schedule.
2938
2939         * postreload-gcse.c (gcse_after_reload_main): Make it static.
2940         * rtl.h: Remove the prototype for gcse_after_reload_main.
2941
2942         * reg-stack.c (reg_to_stack): Make it static.
2943         * rtl.h: Remove the prototype for reg_to_stack.
2944
2945         * regrename.c (regrename_optimize, copyprop_hardreg_forward):
2946         Make them static.
2947         * rtl.h: Remove the prototypes for regrename_optimize and
2948         copyprop_hardreg_forward.
2949
2950 2006-01-18  Eric Botcazou  <ebotcazou@adacore.com>
2951
2952         * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
2953         alpha_split_tmode_pair.  Add 'mode' and 'fixup_overlap' arguments.
2954         Test against the appropriate null constant for the mode.
2955         If 'fixup_overlap' is true, swap the operands if they overlap.
2956         (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
2957         * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
2958         alpha_split_tmode_pair and adjust for above change.
2959         * config/alpha/alpha.md (movtf_internal): Adjust call to
2960         alpha_split_tfmode_pair and rely on it to swap the operands.
2961         (movti_internal): New insn and post-reload splitter.
2962         (movti): New expander.
2963
2964 2006-01-18  Philippe De Muyter  <phdm@macqel.be>
2965
2966         * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
2967         operands.
2968
2969 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
2970
2971         * rtlanal.c (global_reg_mentioned_p_1,
2972         global_reg_mentioned_p): Remove.
2973         * rtl.h: Remove the prototype for global_reg_mentioned_p.
2974
2975         * flow.c (initialize_uninitialized_subregs): Make it static.
2976         * rtl.h: Remove the prototype for
2977         initialize_uninitialized_subregs.
2978
2979         * function.c (instantiate_virtual_regs): Make it static.
2980         * function.h: Remove the prototype for
2981         instantiate_virtual_regs.
2982
2983         * regmove.c (regmove_optimize, combine_stack_adjustments):
2984         Make them static.
2985         * rtl.h: Remove the prototypes for regmove_optimize and
2986         combine_stack_adjustments.
2987
2988 2006-01-17  Roger Sayle  <roger@eyesopen.com>
2989
2990         * config/i386/i386.c (COSTS_N_BYTES): New macro.
2991         (size_cost): Encode costs in bytes so that a reg-reg addition is
2992         equivalent to COSTS_N_INSNS(1).
2993         (override_options): Use the size_cost.branch_cost as the default
2994         ix86_branch_cost when optimizing for size.
2995
2996 2006-01-18  Ben Elliston  <bje@au.ibm.com>
2997
2998         * Makefile.in (D32PBIT_FUNCS): New.
2999         (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
3000         (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
3001         D64PBIT_FUNCS and D128PBIT_FUNCS.
3002         (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
3003         * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
3004         D128PBIT are set.
3005         (decnumber_dep): Define.
3006         * doc/libgcc.texi (Decimal float library routines): New node.
3007         * config/dfp-bit.h, config/dfp-bit.c: New files.
3008
3009 2006-01-18  Ben Elliston  <bje@au.ibm.com>
3010
3011         * expr.c (emit_move_change_mode): Always adjust addresses, not
3012         just during reload.  Copy replacements only during reload.
3013         (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
3014         emit_move_via_integer.
3015
3016 2006-01-17  Shantonu Sen  <ssen@opendarwin.org>
3017
3018         * Makefile.in (check-%, check-consistency): Use $${srcdir}
3019         instead of $(srcdir) and ${srcdir}.
3020
3021 2006-01-17  Richard Earnshaw  <rearnsha@arm.com>
3022
3023         PR target/592
3024         PR middle-end/11135
3025         * arm.h (struct machine_function): Add pic_reg.
3026         * arm.c (arm_pic_register): Make unsigned.
3027         (arm_override_options): Only set arm_pic_register if
3028         TARGET_SINGLE_PIC_BASE.
3029         (use_return_insn): Only test for a pic register if it is fixed.
3030         (arm_compute_save_reg0_reg12_mask): Likewise.
3031         (thumb_compute_save_reg_mask): Likewise.
3032         (legitimate_pic_operand): Factor out some known invariants.
3033         (legitimize_pic_address): If we don't have a fixed pic register,
3034         then set up a pseudo in the function entry sequence.  Handle the
3035         pic base being in a pseudo.
3036         (arm_load_pic_register): Handle the pic register being in a pseudo.
3037         (arm_expand_prologue): Only set up the pic register if it is fixed.
3038         (thumb_expand_prologue): Likewise.
3039         * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
3040         (pic_load_addr_based_insn): Likewise.
3041         (builtin_setjmp_receiver): Don't restore the pic base if it isn't
3042         fixed.
3043
3044 2006-01-18  Ben Elliston  <bje@au.ibm.com>
3045
3046         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
3047         decimal float modes for all floating point registers.
3048
3049         * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
3050         match_code "mem" with match_test "macho_lo_sum_memory_operand".
3051
3052 2006-01-17  Jakub Jelinek  <jakub@redhat.com>
3053
3054         PR c/25682
3055         * c-typeck.c (build_unary_op): Fold offsetof-like expressions
3056         even when the pointer is not NULL.
3057
3058 2006-01-16  Ian Lance Taylor  <ian@airs.com>
3059
3060         * common.opt (ftoplevel-reorder): New option.
3061         * cgraph.c (cgraph_asm_nodes): New global variable.
3062         (cgraph_asm_last_node): New static variable.
3063         (cgraph_order): New global variable.
3064         (cgraph_create_node): Set new order field.
3065         (cgraph_varpool_node): Likewise.
3066         (decide_is_variable_needed): Return true if not
3067         flag_toplevel_reorder.
3068         (cgraph_add_asm_node): New function.
3069         * cgraph.h (struct cgraph_node): Add order field.
3070         (struct cgraph_varpool_node): Add order field.
3071         (struct cgraph_asm_node): Define.
3072         (cgraph_asm_nodes, cgraph_order): Declare.
3073         (cgraph_add_asm_node): Declare.
3074         * cgraphunit.c (cgraph_varpool_assemble_decl): New static
3075         function.
3076         (cgraph_varpool_assemble_pending_decls): Call it.
3077         (cgraph_output_pending_asms): New static function.
3078         (cgraph_finalize_compilation_unit): Call it.
3079         (struct cgraph_order_sort): Define.
3080         (cgraph_output_in_order): New static function.
3081         (cgraph_optimize): Call cgraph_output_pending_asms.  Add code for
3082         !flag_toplevel_reorder case.
3083         * c-parser.c: Include "cgraph.h".
3084         (c_parser_asm_definition): Call cgraph_add_asm_node rather than
3085         assemble_asm.
3086         * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
3087         than -fno-unit-at-a-time.
3088         * doc/invoke.texi (Option Summary): Mention
3089         -fno-toplevel-reorder.
3090         (Optimize Options): Document -fno-toplevel-reorder.  Mention it in
3091         -funit-at-a-time documentation.
3092
3093 2006-01-17  Hans-Peter Nilsson  <hp@axis.com>
3094             Kazu Hirata  <kazu@codesourcery.com>
3095
3096         * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
3097
3098 2006-01-17  Kazu Hirata  <kazu@codesourcery.com>
3099
3100         * Makefile.in (FUNCTION_H): New.  Use it instead of
3101         function.h throughout the file.
3102         * function.h: Include tree.h.
3103
3104 2006-01-17  Ben Elliston  <bje@au.ibm.com>
3105
3106         * recog.c: Separate some functions with whitespace.
3107
3108 2006-01-16  Richard Henderson  <rth@redhat.com>
3109
3110         Merge from gomp branch:
3111         * Makefile.in (TREE_INLINE_H): New.  Use it as needed.
3112         * tree-inline.h (struct copy_body_data): Move from tree-inline.c
3113         and rename from struct inline_data.  Rename callee* to dst*;
3114         caller* to src*; add copy_decl hook, transform_call_graph_edges,
3115         transform_new_cfg, transform_return_to_modify, and
3116         transform_lang_insert_block flags; remove cloning_p, versioning_p,
3117         update_clones_p.
3118         (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
3119         (copy_decl_for_dup): Remove.
3120         * tree-inline.c (struct inline_data): Move to header.
3121         (insert_decl_map): Export.
3122         (remap_decl): Update for member name changes.  Use copy_decl hook.
3123         Allow for replacement to be a non-decl.  Remove dead code.
3124         (remap_type_1): Check for existing mapping.
3125         (remap_type): Export.
3126         (remap_decls): Update for member name changes.
3127         (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
3128         (copy_body, setup_one_parameter, declare_return_variable): Likewise.
3129         (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
3130         (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
3131         (tree_function_versioning, build_duplicate_type): Likewise.
3132         (copy_body_r): Likewise.  Export.
3133         (copy_decl_for_dup): Split into ...
3134         (copy_decl_for_dup_finish, copy_decl_to_var,
3135         copy_decl_no_change, copy_decl_maybe_to_var): ... these.
3136         (replace_ref_tree, inlining_p): Remove.
3137
3138 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
3139
3140         * ifcvt.c (if_convert): Make it static.
3141         * rtl.h: Remove the prototype for if_convert.
3142
3143         * local-alloc.c (local_alloc): Make it static.
3144         * rtl.h: Remove the prototype for local_alloc.
3145
3146         * loop.c (loop_optimize): Make it static.
3147         * cfgloop.h: Remove the prototype for loop_optimize.
3148         * rtl.h: Likewise.
3149
3150 2006-01-16  DJ Delorie  <dj@redhat.com>
3151
3152         * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
3153         mems.
3154
3155 2006-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3156
3157         * pa.md: Disparage copies between general and floating-point registers
3158         in 32-bit move patterns.
3159
3160 2006-01-16  H.J. Lu  <hongjiu.lu@intel.com>
3161
3162         PR testsuite/25741
3163         * Makefile.in (check-%): Depend on site.exp instead of
3164         $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
3165         directories.
3166
3167 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
3168
3169         * global.c (global_alloc): Make it static.
3170         * rtl.h: Remove the prototype for global_alloc.
3171
3172 2006-01-16  Richard Guenther  <rguenther@suse.de>
3173
3174         * tree-ssa-alias.c (struct used_part): Add write_only field.
3175         (get_or_create_used_part_for): Initialize it to true.
3176         (create_overlap_variables_for): Don't create structure variables
3177         for structures that only are written to.
3178         (find_used_portions): Handle MODIFY_EXPR to track whether a
3179         structure is only written to.
3180
3181 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
3182
3183         * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
3184         static.
3185         * basic-block.h: Remove the prototype for
3186         partition_hot_cold_basic_blocks.
3187
3188 2006-01-16  Rafael Ãvila de Espíndola <rafael.espindola@gmail.com>
3189
3190         * cppspec.c (lang_specific_spec_functions): Remove.
3191         * gcc.c (lookup_spec_function): Use static_spec_functions directly.
3192         * gcc.h (lang_specific_spec_functions): Remove.
3193         * gccspec.c (lang_specific_spec_functions): Remove.
3194
3195 2006-01-16  Paolo Bonzini  <bonzini@gnu.org>
3196
3197         * combine.c (record_value_for_reg): Invalidate registers
3198         if INSN is null.
3199         (record_dead_and_set_regs_1): Likewise, by passing them to
3200         record_value_for_reg.
3201         (record_dead_and_set_regs): Invalidate stores made by a
3202         call.  We do not combine across a call, but we still
3203         relied on equivalences.
3204
3205 2006-01-16  Eric Botcazou  <ebotcazou@adacore.com>
3206
3207         * tree-vrp.c (extract_range_from_binary_expr): Cope with
3208         vrp_int_const_binop returning non-constant nodes.
3209
3210 2006-01-16  Paul Brook  <paul@codesourcery.com>
3211
3212         * config/m68k/m68k.c (output_move_const_into_data_reg):
3213         Output correct mnemonic for mvz and mvs.
3214
3215 2006-01-16  Gabor Loki  <loki@gcc.gnu.org>
3216
3217         * rtl-factoring.c: Add sequence abstraction algorithm.
3218         * cfgcleanup.c (outgoing_edges_match): Extra checks.
3219         (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
3220         ABNORMAL edges.
3221         (block_has_preserve_label): New function.
3222         * common.opt: Register new pass.
3223         * Makefile.in: Ditto.
3224         * passes.c: Ditto.
3225         * timevar.def: Ditto.
3226         * tree-pass.h: Ditto.
3227         * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
3228         * rtl.h (make_jump_insn_raw): Add forward decl.
3229         * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
3230
3231 2006-01-16  Eric Botcazou  <ebotcazou@adacore.com>
3232             Roger Sayle  <roger@eyesopen.com>
3233
3234         * fold-const.c (fold_minmax): New static function.
3235         (fold_binary) <MIN_EXPR>: Call it.
3236         <MAX_EXPR>: Likewise.
3237         * stor-layout.c (place_field): Use DECL_SIZE consistently
3238         in the computation of the new record size.
3239
3240 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
3241
3242         * cse.c (cse_condition_code_reg): Make it static.
3243         * rtl.h: Remove the prototype for cse_condition_code_reg.
3244
3245         * combine.c (combine_instructions): Make it static.
3246         * rtl.h: Remove the prototype for combine_instructions.
3247
3248 2006-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3249
3250         PR target/25168
3251         * tree.c (get_file_function_name_long): Concatenate the first global
3252         object name with a string derived from the input filename of the object
3253         for type "F".
3254
3255 2006-01-16  Ben Elliston  <bje@au.ibm.com>
3256
3257         * config/i386/winnt-stubs.c: Update FSF address.
3258         * config/xtensa/ieee754-df.S: Ditto.
3259         * config/xtensa/ieee754-sf.S: Ditto.
3260
3261 2006-01-14  Ian Lance Taylor  <ian@airs.com>
3262
3263         * ifcvt.c (noce_init_if_info): New static function, broken out of
3264         noce_process_if_block.
3265         (noce_process_if_block): Call noce_init_if_info.
3266         (check_cond_move_block): New static function.
3267         (cond_move_process_if_block): New static function.
3268         (process_if_block): Call cond_move_process_if_block.
3269
3270 2006-01-15  Kazu Hirata  <kazu@codesourcery.com>
3271
3272         * cselib.c (hash_table): Rename to cselib_hash_table.
3273         (cselib_clear_table, discard_useless_values,
3274         remove_useless_values, cselib_lookup_mem, cselib_lookup,
3275         cselib_init, cselib_finish): Adjust uses of hash_table.
3276
3277 2006-01-14  Kazu Hirata  <kazu@codesourcery.com>
3278
3279         PR tree-optimization/25485
3280         * tree-vrp.c (extract_range_from_binary_expr): Handle cases
3281         where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
3282         is known to be false and true, respectively.
3283
3284 2006-01-14  Richard Guenther  <rguenther@suse.de>
3285
3286         PR tree-optimization/22548
3287         PR tree-optimization/22555
3288         PR tree-optimization/22501
3289         * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
3290         * params.def (salias-max-array-elements): New parameter.
3291         * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
3292         * doc/invoke.texi (salias-max-array-elements): Document.
3293         * tree-flow-inline.h (var_can_have_subvars): We also handle
3294         arrays now.
3295         * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
3296         COMPONENT_REF.
3297         * tree-ssa-structalias.c (params.h): Include.
3298         (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
3299         (find_func_aliases): Handle multiple constraints from ARRAY_REF.
3300         (get_constraint_for): For ADDR_EXPR operating on something
3301         containing an ARRAY_REF, add all subvars to the solution.
3302         (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
3303         * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
3304         for creating MUST_DEFs.
3305         (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
3306
3307 2006-01-14  Zdenek Dvorak <dvorakz@suse.cz>
3308
3309         * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
3310         functions.
3311         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
3312         assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
3313         number_of_iterations_le): New functions.
3314         (number_of_iterations_special): Removed.
3315         (number_of_iterations_exit): Do not use number_of_iterations_special.
3316         * tree.c (unsigned_type_for): Always return integer type.
3317
3318 2006-01-14  Steven Bosscher  <stevenb.gcc@gmail.com>
3319         Richard Guenther  <rguenther@suse.de>
3320
3321         PR rtl-optimization/24257
3322         * gcse.c (find_moveable_store): Only consider a store movable
3323         when the SET_SRC of the insn can be assigned to a register.
3324
3325 2006-01-14  Ian Lance Taylor  <ian@airs.com>
3326
3327         * tree.c (tree_not_class_check_failed): New function.
3328         * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
3329         (tree_not_class_check_failed): Declare.
3330
3331 2006-01-13  Ian Lance Taylor  <ian@airs.com>
3332
3333         * reload1.c (do_output_reload): Add assertion rejecting a
3334         CALL_INSN.
3335
3336 2006-01-13  Adam Nemet  <anemet@caviumnetworks.com>
3337
3338         * combine.c (struct reg_stat): Add new fields truncation_label and
3339         truncated_to_mode.
3340         (record_value_for_reg): Reset truncated_to_mode.
3341         (record_truncated_value): New function.
3342         (check_promoted_subreg): Call it.  Rename to check_conversions.
3343         (combine_instructions): Rename check_promoted_subreg to
3344         check_conversions.
3345         (reg_truncated_to_mode): New function.
3346         (make_extraction): Use it.  Check TRULY_NOOP_TRUNCATION.
3347         (gen_lowpart_or_truncate): New function.
3348         (force_to_mode): Use it instead of gen_lowpart.
3349
3350 2006-01-13  Diego Novillo  <dnovillo@redhat.com>
3351
3352         * tree-ssa-alias.c (add_type_alias): Fix typo.  Test whether
3353         VAR is a tag, not its type tag.
3354
3355 2006-01-13  Alexandre Oliva  <aoliva@redhat.com>
3356
3357         * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
3358         alternatives to match style of other entries.
3359         (*vec_extractv2di_1_sse): Likewise.  Fix mode attr.
3360
3361 2006-01-13  Daniel Berlin  <dberlin@dberlin.org>
3362
3363         PR tree-optimization/25771
3364         * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
3365         SSA_NAMES.
3366
3367 2006-01-13  Andrew Pinski  <pinskia@physics.uc.edu>
3368
3369         PR tree-opt/24365
3370         * tree-inline.c (declare_return_variable): If the return variable
3371         was marked as a non gimple complex, set the return slot variable
3372         to be a non gimple comple variable.
3373
3374 2006-01-13  Richard Guenther  <rguenther@suse.de>
3375
3376         * bu