OSDN Git Service

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